    :root{
      --surface: rgba(255,255,255,.94);
      --surface-raised: #fff;
      --hairline: rgba(24,33,47,.10);
      --text-primary: #18212f;
      --text-secondary: #6b7280;
      --accent-up: #16a34a;
      --accent-down: #dc5a45;
      --accent-unknown: #c9877d;
      --accent-action: #2563eb;
      --accent-3d: #9333ea;
      --chart-grid: rgba(24,33,47,.07);
      --chart-fill-trail: rgba(220,90,69,.10);
      --chart-fill-route: rgba(22,163,74,.10);
      --active-tint-green: rgba(22,163,74,.13);
      --active-tint-purple: rgba(147,51,234,.13);
    }
    /* ── Dark-mode design tokens (single source for the dark UI) ──
       Activated by data-theme="dark" on <html> (set in _applyTheme). The
       class-based .dark / .dark-ui rules use these exact colours. */
    :root[data-theme="dark"]{
      --surface: rgba(28, 28, 30, 0.92);   /* panels, cards; with backdrop-filter blur(20px) */
      --surface-raised: #2C2C2E;            /* chips, round buttons */
      --hairline: rgba(255, 255, 255, 0.08);
      --text-primary: #E5E5EA;
      --text-secondary: #98989F;
      --accent-up: #30D158;                 /* gain, active mode, route */
      --accent-down: #FF6B5E;               /* loss, trail profile */
      --accent-unknown: #FFB1A6;
      --accent-action: #0A84FF;             /* Done */
      --accent-3d: #BF5AF2;
      --chart-grid: rgba(255, 255, 255, 0.06);
      --chart-fill-trail: rgba(255, 107, 94, 0.10);
      --chart-fill-route: rgba(48, 209, 88, 0.10);
      --active-tint-green: rgba(48, 209, 88, 0.18);
      --active-tint-purple: rgba(191, 90, 242, 0.18);
    }
    *{box-sizing:border-box;margin:0;padding:0;user-select:none;-webkit-user-select:none}
    input,textarea{user-select:text;-webkit-user-select:text}
    html,body{margin:0;padding:0;font-family:'Inter',-apple-system,sans-serif;overflow:hidden;background:#000;overscroll-behavior:none}
    #app{position:fixed;top:0;left:0;right:0;bottom:0;background:#cbc7be}
    #map{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#cbc7be;background-image:repeating-linear-gradient(-45deg,rgba(0,0,0,.06) 0,rgba(0,0,0,.06) 1px,transparent 1px,transparent 9px);z-index:1}
    .leaflet-container{background-color:#cbc7be !important;background-image:repeating-linear-gradient(-45deg,rgba(0,0,0,.06) 0,rgba(0,0,0,.06) 1px,transparent 1px,transparent 9px) !important}
    #map3d{position:fixed;top:0;left:0;right:0;bottom:0;background:#cbc7be;z-index:1;display:none}

    #layer-btns{
      position:fixed;top:calc(10px + env(safe-area-inset-top));right:10px;z-index:4100;
      display:flex;flex-direction:column;gap:5px;align-items:flex-end
    }
    #nav-scroll{display:contents}
    #btn-rail-collapse{display:none}
    .lbtn{
      width:38px;height:38px;flex-shrink:0;
      display:flex;align-items:center;justify-content:center;
      border:1px solid rgba(255,255,255,.75);border-radius:11px;
      background:rgba(255,255,255,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
      color:#374151;cursor:pointer;text-decoration:none;
      box-shadow:0 2px 10px rgba(0,0,0,.11),0 1px 3px rgba(0,0,0,.07),inset 0 1px 0 rgba(255,255,255,.9);
      transition:all .15s cubic-bezier(.4,0,.2,1)
    }
    .lbtn.active{background:#4f6bcd;color:#fff;border-color:#3d58b8;box-shadow:0 3px 10px rgba(79,107,205,.4),inset 0 1px 0 rgba(255,255,255,.2)}
    .lbtn:hover:not(.active){background:rgba(255,255,255,.98);color:#111827;box-shadow:0 4px 14px rgba(0,0,0,.14),0 1px 3px rgba(0,0,0,.08),inset 0 1px 0 rgba(255,255,255,1)}
    .lbtn-sep{height:1px;background:rgba(0,0,0,.07);margin:1px 6px}

    /* ── Dark-map button theme ── */
    .dark-ui .lbtn{
      background:rgba(18,18,28,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
      border-color:rgba(255,255,255,.1);color:rgba(255,255,255,.8);
      box-shadow:0 2px 10px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.08)
    }
    .dark-ui .lbtn.active{background:#4f6bcd;border-color:#3d58b8;color:#fff;box-shadow:0 3px 10px rgba(79,107,205,.45)}
    .dark-ui .lbtn:hover:not(.active){background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.2)}
    .dark-ui .lbtn-sep{background:rgba(255,255,255,.08)}

    /* ── Side panels (upload / search) ── */
    .btn-row{position:relative;display:flex;align-items:flex-start;justify-content:flex-end}
    .side-panel{
      position:absolute;right:42px;top:0;
      width:268px;
      background:rgba(255,255,255,.97);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
      border-radius:14px;box-shadow:0 8px 32px rgba(0,0,0,.12),0 2px 8px rgba(0,0,0,.07),inset 0 1px 0 rgba(255,255,255,1);
      border:1px solid rgba(0,0,0,.07);
      padding:11px 12px 12px;font:12px/1.4 'Inter',-apple-system,sans-serif;
      display:none;z-index:1
    }
    .side-panel.open{display:block}
    .panel-title{font-size:10px;font-weight:700;color:#9ca3af;text-transform:uppercase;
      letter-spacing:.07em;margin-bottom:7px}
    .layer-choices-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;margin-bottom:2px}
    .layer-choice{
      display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
      padding:8px 4px 6px;border-radius:10px;border:1.5px solid transparent;
      cursor:pointer;color:#374151;position:relative;
      -webkit-tap-highlight-color:transparent;touch-action:manipulation;
      transition:background .1s,border-color .1s,color .1s;background:rgba(0,0,0,.03)}
    .layer-choice svg{width:22px;height:22px;flex-shrink:0}
    .layer-choice .lc-label{font-size:9.5px;font-weight:600;text-align:center;line-height:1.2;white-space:nowrap}
    .layer-choice .lc-key{
      position:absolute;top:4px;right:5px;
      font-size:7.5px;font-weight:700;color:#9ca3af;font-family:monospace;line-height:1}
    .layer-choice:hover{background:rgba(79,107,205,.08);color:#3b5bdb}
    .layer-choice.active{background:rgba(79,107,205,.12);border-color:rgba(79,107,205,.4);color:#4f6bcd}
    .overlay-choice{display:flex;align-items:center;gap:7px;padding:5px 9px;border-radius:9px;
      cursor:pointer;font-size:12px;color:#374151;font-weight:500;
      -webkit-tap-highlight-color:transparent;touch-action:manipulation;transition:background .1s}
    .overlay-choice:hover{background:rgba(79,107,205,.07)}
    .overlay-choice.active{color:#4f6bcd;font-weight:600}
    .overlay-check{width:15px;height:15px;border-radius:4px;border:1.5px solid #d1d5db;flex-shrink:0;
      display:flex;align-items:center;justify-content:center;transition:all .15s}
    .overlay-choice.active .overlay-check{background:#4f6bcd;border-color:#4f6bcd}
    .overlay-check svg{display:none}
    .overlay-choice.active .overlay-check svg{display:block}
    .panel-divider{height:1px;background:rgba(0,0,0,.06);margin:6px 0}
    .panel-grid{display:grid;grid-template-columns:1fr 1fr;row-gap:2px;column-gap:0}
    .panel-grid-span{grid-column:1/-1}
    /* 3D + Weather hidden on mobile only — see media query below */
    .lp-view-btn{
      flex:1;display:flex;align-items:center;justify-content:center;gap:6px;
      padding:9px 8px;border-radius:10px;border:1.5px solid transparent;
      cursor:pointer;color:#374151;background:rgba(0,0,0,.04);
      font:600 11.5px/1 'Inter',system-ui;
      -webkit-tap-highlight-color:transparent;touch-action:manipulation;transition:background .1s
    }
    .lp-view-btn:hover{background:rgba(79,107,205,.08);color:#3b5bdb}
    .lp-view-btn.active{background:rgba(79,107,205,.12);border-color:rgba(79,107,205,.4);color:#4f6bcd}
    .btn-nav-toggle{display:none}
    .pt-label{display:none}

    .upload-btn{
      display:flex;align-items:center;gap:7px;width:100%;
      padding:8px 10px;margin-bottom:9px;
      background:rgba(79,107,205,.05);border:1.5px dashed rgba(79,107,205,.35);
      border-radius:9px;cursor:pointer;
      font-size:11.5px;color:#4f6bcd;font-weight:600;
      -webkit-tap-highlight-color:transparent;touch-action:manipulation;
      transition:background .15s,border-color .15s
    }
    .upload-btn:hover{background:rgba(79,107,205,.09);border-color:rgba(79,107,205,.55)}
    .upload-btn:active{background:rgba(79,107,205,.15)}
    #file{display:none}
    .status{margin-top:7px;font-size:11px}
    .ok{color:#0a7a2a}.err{color:#b00020}
    .spin{
      display:inline-block;width:9px;height:9px;border:2px solid rgba(0,0,0,.2);
      border-top-color:rgba(0,0,0,.7);border-radius:50%;margin-right:5px;
      animation:spin .8s linear infinite;vertical-align:-1px
    }
    @keyframes spin{to{transform:rotate(360deg)}}
    .strava-row{display:flex;gap:5px}
    .strava-row input{
      flex:1;min-width:0;padding:6px 9px;font-size:12px;
      border-radius:8px;border:1.5px solid rgba(0,0,0,.1);
      outline:none;font-family:inherit;color:#111827;background:#f9fafb
    }
    .strava-row input:focus{border-color:#4f6bcd;background:#fff;box-shadow:0 0 0 3px rgba(79,107,205,.12)}
    .strava-row button{
      width:32px;height:32px;background:#4f6bcd;color:#fff;
      border:none;border-radius:8px;cursor:pointer;flex-shrink:0;
      display:flex;align-items:center;justify-content:center;
      box-shadow:0 2px 6px rgba(79,107,205,.35);transition:background .15s
    }
    .strava-row button:hover{background:#3d58b8}

    /* ── Route planner ── */
    #map.plan-mode,#map.plan-mode .leaflet-container{cursor:crosshair!important}
    /* plan-panel — independent panel, shown above or instead of elev-panel */
    #plan-panel{
      position:fixed;bottom:0;left:0;right:0;z-index:3;
      height:190px;display:none;
      background:var(--surface);border-top:1px solid var(--hairline);
      backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
      box-shadow:0 -2px 10px rgba(0,0,0,.08);overflow:hidden
    }
    #plan-panel.visible{display:block}
    #plan-panel.editing-route{height:190px}
    #plan-panel.editing-route + #plan-meta-stack{bottom:218px}
    #plan-panel.with-route{bottom:140px;box-shadow:0 -1px 5px rgba(0,0,0,.06)}
    #elev-panel.elev-wide ~ #plan-panel.with-route{bottom:185px}
    /* Planning metadata floats outside the chart as one vertical stack. */
    #plan-meta-stack{
      position:fixed;right:14px;bottom:218px;z-index:13;
      display:none;flex-direction:column;align-items:flex-end;gap:14px;
      pointer-events:none
    }
    #plan-panel.has-stats + #plan-meta-stack{display:flex}
    #plan-panel.with-route + #plan-meta-stack{bottom:322px}
    #elev-panel.elev-wide ~ #plan-panel.with-route + #plan-meta-stack{bottom:367px}
    #elev-panel.beta-activity-profile ~ #plan-panel.with-route + #plan-meta-stack{bottom:372px}
    #plan-stats{
      display:none;align-items:center;gap:5px;white-space:nowrap;flex-shrink:0
    }
    #plan-panel.has-stats #plan-stats{display:flex}
    #plan-surface-key{
      display:none;align-items:center;gap:7px;
      padding:4px 8px;border-radius:8px;
      background:rgba(255,255,255,.82);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
      color:#4b5563;pointer-events:none;font:750 7.5px/1 'Inter',system-ui;white-space:nowrap
    }
    #plan-tip{
      position:fixed;background:rgba(15,15,20,.93);color:#fff;
      font:11px/1.3 'Inter',system-ui;padding:6px 12px 5px;border-radius:8px;
      pointer-events:none;white-space:nowrap;display:none;
      transform:translateX(-50%);z-index:2000;
      border-top:2.5px solid #7aa2dc;box-shadow:0 2px 12px rgba(0,0,0,.4)
    }
    /* plan-toolbar — always flex, lives inside plan-panel */
    #plan-toolbar{
      position:absolute;top:8px;left:8px;right:var(--plan-toolbar-right,8px);height:38px;
      display:flex;align-items:center;gap:8px;z-index:4
    }
    /* plan toolbar buttons — same base as elev route buttons + icon + tiny label */
    .pt-prof{
      height:22px;min-width:22px;border:none;border-radius:6px;
      background:rgba(0,0,0,.07);cursor:pointer;flex-shrink:0;
      display:flex;align-items:center;justify-content:center;gap:3px;
      color:#666;padding:0 5px;box-shadow:0 1px 3px rgba(0,0,0,.12);
      touch-action:manipulation;-webkit-tap-highlight-color:transparent;
      font:10px/1 'Inter',system-ui;font-weight:700;white-space:nowrap
    }
    .pt-prof.active{background:#4f6bcd;color:#fff}
    .pt-prof:hover{background:rgba(0,0,0,.15)}
    .pt-prof.active:hover{background:#e04000}
    .pt-prof:disabled{opacity:.3;pointer-events:none}
    /* Done — the only filled button in the toolbar */
    #pt-load{
      background:var(--accent-action);color:#fff;
      height:34px;border-radius:17px;padding:0 16px;gap:7px
    }
    #pt-load:hover{background:#1d4ed8}
    /* Plain activity/status label; .msg = transient status (Routing…, errors). */
    #pt-status{
      display:none;align-items:center;gap:5px;flex:0 1 auto;min-width:0;
      height:22px;padding:0 4px;border-radius:0;background:none;color:#18212f;
      font:800 10px/1 'Inter',system-ui;letter-spacing:.02em;
      white-space:nowrap;overflow:hidden;text-overflow:ellipsis
    }
    #pt-status.msg{display:flex;letter-spacing:0;font-weight:650;color:#6b7280;background:none}
    #pt-status.idle-prompt{display:flex;color:#6b7280;font-weight:650;letter-spacing:0}
    #plan-panel.dark #pt-status.idle-prompt{color:var(--text-secondary)}
    /* dark planning panel — mirrors the activity panel: invert the whole card
       (chart bg → dark, line hue preserved), then re-invert the chrome so the
       toolbar + surface legend keep their normal colours on the dark card */
    /* ── Dark planning panel — matches the activity panel's slate theme ── */
    #plan-panel.dark{
      background:var(--surface);
      border-top-color:var(--hairline);
      backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
      box-shadow:0 -14px 40px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.05)
    }
    #plan-panel.dark #plan-stats .est{
      background:var(--surface-raised);box-shadow:inset 0 0 0 1px var(--hairline);color:var(--text-primary)
    }
    #plan-panel.dark #plan-stats .est.elev-gain{color:var(--accent-up)}
    #plan-panel.dark #plan-stats .est.elev-loss{color:var(--accent-down)}
    #plan-panel.dark #plan-seg,#plan-panel.dark #plan-quiet{background:rgba(255,255,255,.05)}
    #plan-panel.dark .plan-type-btn{color:var(--text-primary)}
    /* Active mode uses the same neutral raised focus surface as the toolbar. */
    #plan-panel.dark .plan-type-btn.active{
      background:#3A3A3C;color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);position:relative
    }
    /* undo / trash → round toolbar-style buttons (draft), no segmented track */
    #plan-panel.dark #plan-quiet{background:none;padding:0;gap:5px}
    #plan-panel.dark #plan-quiet .pt-prof{
      width:34px;height:34px;min-width:34px;border-radius:50%;color:var(--text-secondary);
      background:var(--surface-raised);box-shadow:inset 0 0 0 1px var(--hairline)
    }
    #plan-panel.dark #plan-quiet .pt-prof:hover{background:#3A3A3C;color:#E5E5EA}
    #plan-panel.dark #pt-load{background:var(--accent-action)}
    #plan-panel.dark #pt-load:hover{background:#3D9BFF}
    #plan-panel.dark #pt-clear:hover{color:var(--accent-down)}
    #plan-panel.dark #pt-status{background:none;color:#fff}
    #plan-panel.dark #pt-status.msg{background:none;color:#fff}
    #plan-panel.dark + #plan-meta-stack #plan-surface-key{background:var(--surface);box-shadow:inset 0 0 0 1px var(--hairline);color:var(--text-primary)}
    /* plan type row — floats above plan-panel at right */
    #plan-type-row{
      display:none;position:fixed;right:10px;z-index:4001;
      bottom:calc(140px + 8px);
      flex-direction:row;gap:5px;align-items:center
    }
    #plan-type-row.visible{display:flex}
    #plan-panel.with-route ~ #plan-type-row{bottom:calc(280px + 8px)}
    #elev-panel.elev-wide ~ #plan-panel.with-route ~ #plan-type-row{bottom:calc(325px + 8px)}
    /* floating type row (now empty stub) */
    .plan-type-btn{display:none}
    /* surface key — floats near elev panel, no background card */
    #surface-key{
      position:fixed;right:10px;z-index:1000;bottom:calc(160px + env(safe-area-inset-bottom));
      display:none;align-items:center;gap:7px;
      padding:4px 8px;border-radius:8px;
      background:rgba(255,255,255,.82);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
      color:#4b5563;pointer-events:none;font:750 7.5px/1 'Inter',system-ui;white-space:nowrap
    }
    /* Planning modes use a light segmented surface by default. */
    #plan-seg{
      display:flex;gap:2px;padding:4px;border-radius:20px;
      background:rgba(24,33,47,.07);box-shadow:inset 0 0 0 1px rgba(24,33,47,.07);
      flex-shrink:0;margin-left:auto
    }
    #plan-toolbar .plan-type-btn{
      display:flex;height:30px;padding:0 12px;border-radius:15px;border:none;flex-direction:row;
      gap:6px;align-items:center;justify-content:center;flex-shrink:0;
      background:none;cursor:pointer;color:#4b5563;box-shadow:none;
      touch-action:manipulation;-webkit-tap-highlight-color:transparent;
      font:11px/1 'Inter',system-ui;font-weight:700;white-space:nowrap;
      transition:background .14s,color .14s
    }
    #plan-toolbar .plan-type-btn svg{flex-shrink:0}
    #plan-toolbar .plan-type-btn.active{
      background:#fff;color:#18212f;
      box-shadow:0 1px 4px rgba(15,23,42,.12),inset 0 0 0 1px rgba(24,33,47,.06);
      position:relative
    }
    #plan-toolbar .plan-type-btn:hover:not(.active){background:rgba(255,255,255,.55);color:#18212f}
    /* quiet group — undo/clear as low-key icons (destructive actions shouldn't shout) */
    #plan-quiet{
      display:flex;gap:5px;padding:0;border-radius:0;
      background:none;flex-shrink:0
    }
    #plan-quiet .pt-prof{
      width:34px;height:34px;min-width:34px;border-radius:50%;
      background:rgba(24,33,47,.07);
      box-shadow:inset 0 0 0 1px rgba(24,33,47,.06);color:#6b7280
    }
    #plan-quiet .pt-prof:hover{background:rgba(24,33,47,.1);color:#18212f}
    #pt-clear:hover{color:#dc2626}
    /* small permanent label on POI-snapped waypoints */
    .leaflet-tooltip.plan-wp-label{
      background:rgba(255,255,255,.92);color:#18212f;border:none;border-radius:6px;
      padding:2px 6px;font:650 9px/1.2 'Inter',system-ui;
      box-shadow:0 2px 8px rgba(15,30,60,.2);white-space:nowrap
    }
    .leaflet-tooltip.plan-wp-label::before{display:none}

    /* ── Search ── */
    #search-input{
      width:100%;padding:7px 10px;font-size:12px;font-family:inherit;
      border-radius:9px;border:1.5px solid rgba(0,0,0,.1);
      outline:none;color:#111827;background:#f9fafb
    }
    #search-input:focus{border-color:#4f6bcd;background:#fff;box-shadow:0 0 0 3px rgba(79,107,205,.12)}
    #search-results{margin-top:7px;display:none}
    .sr-item{
      display:flex;align-items:center;gap:8px;
      padding:7px 6px;border-radius:8px;cursor:pointer;
      font-size:12px;line-height:1.3;
      -webkit-tap-highlight-color:transparent;transition:background .1s
    }
    .sr-item:hover,.sr-item:active,.sr-item.sr-active{background:rgba(79,107,205,.08)}
    .sr-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
    .sr-peak{background:#c87860}.sr-col{background:#89b0e6}.sr-city{background:#888}
    .kf-btn{width:22px;height:22px;padding:0;border-radius:5px;border:1px solid rgba(0,0,0,.12);
      background:#f4f4f4;color:#666;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}
    .kf-btn.active{background:#4f6bcd;color:#fff;border-color:#4f6bcd}
    .sr-name{flex:1;font-weight:500;color:#222}
    .sr-ele{font-size:11px;color:#888;white-space:nowrap}
    .sr-empty{font-size:11px;color:#999;padding:4px 5px}
    .sr-share{flex-shrink:0;background:none;border:none;padding:2px 4px;cursor:pointer;color:#aaa;font-size:13px;line-height:1;border-radius:4px}
    .sr-share:hover{color:#4f6bcd;background:rgba(79,107,205,.08)}

    /* ── History panel — bottom sheet on mobile, side panel on desktop ── */
    #hp-overlay{
      position:fixed;inset:0;z-index:1999;
      background:rgba(0,0,0,0);
      transition:background .28s;
      display:none;pointer-events:none
    }
    #hp-overlay.open{
      display:block;pointer-events:all;
      background:rgba(0,0,0,.35)
    }
    #hp-panel{
      position:fixed;z-index:2000;
      background:#fff;
      display:flex;flex-direction:column;overflow:hidden;
      font:13px/1.4 'Inter',-apple-system,sans-serif;
      transition:transform .32s cubic-bezier(.4,0,.2,1)
    }
    @media (max-width:600px){
      #hp-panel{
        left:0;right:0;bottom:0;height:82vh;
        border-radius:20px 20px 0 0;
        box-shadow:0 -4px 32px rgba(0,0,0,.18);
        transform:translateY(100%)
      }
      #hp-panel.open{transform:translateY(0)}
    }
    @media (min-width:601px){
      #hp-panel{
        right:0;top:0;bottom:0;width:320px;
        box-shadow:-4px 0 24px rgba(0,0,0,.12);
        transform:translateX(100%)
      }
      #hp-panel.open{transform:translateX(0)}
    }
    #hp-drag{
      display:none;
      width:36px;height:4px;border-radius:2px;
      background:rgba(0,0,0,.12);margin:10px auto 0;flex-shrink:0
    }
    @media (max-width:600px){ #hp-drag{display:block} }
    #hp-header{
      padding:14px 16px 12px;
      border-bottom:1px solid rgba(0,0,0,.07);
      display:none;align-items:center;gap:12px;flex-shrink:0
    }
    #hp-avatar{
      width:38px;height:38px;border-radius:50%;
      object-fit:cover;background:#edf3fb;flex-shrink:0;
      border:2px solid rgba(137,176,230,.4)
    }
    #hp-name{font-weight:600;font-size:14px;color:#1e293b;letter-spacing:-.01em}
    #hp-email{font-size:11px;color:#94a3b8;margin-top:1px}
    #hp-actions{margin-left:auto;display:flex;gap:6px;align-items:center}
    #hp-safety-action{
      display:none;align-items:center;gap:5px;
      background:rgba(244,63,94,.09);border:1px solid rgba(244,63,94,.14);
      padding:6px 9px;border-radius:999px;color:#be123c;
      font:650 11px/1 'Inter',sans-serif;cursor:pointer;white-space:nowrap
    }
    #hp-logout{
      background:none;border:1px solid rgba(0,0,0,.12);
      padding:4px 10px;border-radius:6px;font:11px/1 'Inter',sans-serif;
      color:#64748b;cursor:pointer;font-weight:500
    }
    #hp-logout:hover{background:#f8fafc;color:#1e293b}
    #hp-logout .hp-logout-ico{display:none}
    #hp-close{
      width:28px;height:28px;border-radius:50%;border:none;
      background:#f1f5f9;color:#64748b;cursor:pointer;
      display:flex;align-items:center;justify-content:center;flex-shrink:0
    }
    #hp-close:hover{background:#e2e8f0;color:#1e293b}
    #hp-body{overflow-y:auto;flex:1;padding:8px 10px;padding-bottom:calc(env(safe-area-inset-bottom,0px)+8px)}
    #hp-login{padding:36px 24px 28px;text-align:center}
    #hp-login-icon{
      width:60px;height:60px;border-radius:16px;background:#f0f0f8;
      display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
      border:1px solid rgba(137,176,230,.3)
    }
    #hp-login h3{font-size:15px;font-weight:700;color:#1e293b;margin-bottom:8px;letter-spacing:-.02em}
    #hp-login p{font-size:13px;color:#64748b;line-height:1.6;margin-bottom:24px}
    #hp-login-btn{
      background:#4f6bcd;color:#fff;border:none;border-radius:10px;
      font:600 14px 'Inter',sans-serif;padding:13px 0;width:100%;cursor:pointer;
      display:flex;align-items:center;justify-content:center;gap:10px;
      box-shadow:0 4px 14px rgba(100,128,200,.28);letter-spacing:-.01em
    }
    #hp-login-btn:active{opacity:.9;transform:scale(.99)}
    .hp-strava-login-btn{
      display:flex;align-items:center;justify-content:center;gap:10px;
      background:#FC4C02;color:#fff;border:none;border-radius:10px;
      font:600 14px 'Inter',sans-serif;padding:13px 0;width:100%;cursor:pointer;
      margin-top:10px;box-shadow:0 4px 14px rgba(252,76,2,.25);letter-spacing:-.01em
    }
    .hp-strava-login-btn:active{opacity:.9;transform:scale(.99)}
    .hp-zepp-login-btn{
      display:flex;align-items:center;justify-content:center;gap:10px;
      background:#173f2d;color:#fff;border:none;border-radius:10px;
      font:600 14px 'Inter',sans-serif;padding:13px 0;width:100%;cursor:pointer;
      margin-top:10px;box-shadow:0 4px 14px rgba(23,63,45,.25);letter-spacing:-.01em
    }
    .hp-zepp-login-btn:active{opacity:.9;transform:scale(.99)}
    #hp-strava{padding:0 16px 16px;display:none}
    #hp-strava-connect{
      display:flex;align-items:center;justify-content:center;gap:9px;
      padding:11px 14px;border-radius:10px;background:#FC4C02;color:#fff;
      border:none;cursor:pointer;font:600 13px 'Inter',sans-serif;width:100%;
      box-shadow:0 3px 10px rgba(252,76,2,.22)
    }
    #hp-strava-connect:hover{background:#e04402}
    #hp-strava-connected{
      display:flex;align-items:center;gap:10px;padding:10px 12px;
      border-radius:10px;background:rgba(252,76,2,.06);border:1px solid rgba(252,76,2,.12)
    }
    #hp-strava-avatar{width:30px;height:30px;border-radius:50%;object-fit:cover;flex-shrink:0}
    #hp-strava-name{font-size:13px;font-weight:600;color:#1e293b;line-height:1.2}
    #hp-strava-unlink{font-size:11px;color:#94a3b8;background:none;border:none;cursor:pointer;padding:0;margin-top:1px;text-align:left}
    #hp-strava-unlink:hover{color:#e84800}
    /* Zepp link block — mirrors Strava, summit.day dark-green accent */
    #hp-zepp{padding:0 16px 16px;display:none}
    #hp-zepp-connect{
      display:flex;align-items:center;justify-content:center;gap:9px;
      padding:11px 14px;border-radius:10px;background:#173f2d;color:#fff;
      border:none;cursor:pointer;font:600 13px 'Inter',sans-serif;width:100%;
      box-shadow:0 3px 10px rgba(23,63,45,.22)
    }
    #hp-zepp-connect:hover{background:#0f2e20}
    #hp-zepp-connected{
      display:flex;align-items:center;gap:10px;padding:10px 12px;
      border-radius:10px;background:rgba(107,162,146,.08);border:1px solid rgba(107,162,146,.18)
    }
    #hp-zepp-avatar{width:30px;height:30px;border-radius:50%;object-fit:cover;flex-shrink:0}
    #hp-zepp-name{font-size:13px;font-weight:600;color:#1e293b;line-height:1.2}
    #hp-zepp-unlink{font-size:11px;color:#94a3b8;background:none;border:none;cursor:pointer;padding:0;margin-top:1px;text-align:left}
    #hp-zepp-unlink:hover{color:#6BA292}
    #login-wall-strava{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      padding:11px 22px;border-radius:9px;border:none;
      background:#FC4C02;color:#fff;font:600 13px/1 'Inter',sans-serif;
      cursor:pointer;box-shadow:0 2px 8px rgba(252,76,2,.3);
      transition:box-shadow .13s,background .13s;width:100%;margin-top:8px
    }
    #login-wall-strava:hover{background:#e04402;box-shadow:0 4px 12px rgba(252,76,2,.4)}
    #login-wall-zepp{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      padding:11px 22px;border-radius:9px;border:none;
      background:#173f2d;color:#fff;font:600 13px/1 'Inter',sans-serif;
      cursor:pointer;box-shadow:0 2px 8px rgba(23,63,45,.3);
      transition:box-shadow .13s,background .13s;width:100%;margin-top:8px
    }
    #login-wall-zepp:hover{background:#0f2e20;box-shadow:0 4px 12px rgba(23,63,45,.4)}

    /* ── Location viewer overlay (/@username) ── */
    #loc-viewer{
      position:fixed;bottom:16px;left:50%;transform:translateX(-50%);
      background:rgba(15,15,20,.93);color:#fff;
      font:12px/1.4 'Inter',system-ui;padding:10px 16px 9px;border-radius:10px;
      box-shadow:0 2px 16px rgba(0,0,0,.4);border-top:2.5px solid #7aa2dc;
      z-index:2000;display:none;pointer-events:none;text-align:center;min-width:160px
    }
    #loc-viewer.visible{display:block}
    #loc-viewer.xhair-hidden{display:none!important}
    #loc-viewer strong{font-size:13px;font-weight:700}
    #loc-viewer .loc-age{opacity:.6;font-size:11px;margin-top:2px}
    /* #loc-viewer-prof replaced by main #elev-panel in viewer mode */
    /* ── Sharing: green flash on successful send ── */
    #sp-elev-big.just-sent{color:#16a34a;transition:color .2s}
    #sp-elev-big{transition:color .6s}
    /* ── Share button (mobile shows native share icon) ── */
    .sp-copy-btn .copy-label{display:inline}
    .sp-copy-btn .share-icon{display:none}
    @media(max-width:540px){
      .sp-copy-btn .copy-label{display:none}
      .sp-copy-btn .share-icon{display:inline-flex;align-items:center}
    }

    /* ── Safety panel mobile bottom-sheet ── */
    @media(max-width:540px){
      #safety-panel.side-panel{
        position:fixed!important;left:0!important;right:0!important;bottom:0!important;
        top:auto!important;width:auto!important;border-radius:16px 16px 0 0!important;
        padding:0 0 env(safe-area-inset-bottom)!important;
        box-shadow:0 -4px 24px rgba(0,0,0,.15)!important;
        max-height:92dvh;overflow-y:auto;display:none
      }
      #safety-panel.side-panel.open{display:block}
      #sp-sheet-handle{display:block}
      #sp-inner{padding:0 18px 20px}
    }
    @media(min-width:541px){
      #sp-sheet-handle{display:none}
      #sp-inner{padding:0}
    }
    #sp-sheet-handle{width:36px;height:4px;border-radius:2px;background:rgba(0,0,0,.15);
      margin:10px auto 14px;cursor:pointer}
    #sp-elev-big{font-size:48px;font-weight:800;color:#1e293b;letter-spacing:-.04em;
      text-align:center;line-height:1;margin:4px 0 2px}
    #sp-elev-unit{font-size:13px;color:#94a3b8;text-align:center;margin-bottom:4px}

    /* ── Full-screen login wall (summit.day, no route) ── */
    #login-wall{
      position:fixed;inset:0;z-index:9999;
      background:linear-gradient(160deg,#f0f4ff 0%,#e8eef8 100%);
      display:none;flex-direction:column;align-items:center;justify-content:center;
      font-family:'Inter',-apple-system,sans-serif;
    }
    #login-wall.visible{display:flex}
    #login-wall-card{
      background:#fff;border-radius:16px;padding:40px 36px 36px;
      box-shadow:0 4px 32px rgba(0,0,0,.1),0 1px 4px rgba(0,0,0,.06);
      border:1.5px solid rgba(0,0,0,.07);
      text-align:center;max-width:320px;width:90%;
    }
    #login-wall-logo{
      width:52px;height:52px;background:#4f6bcd;border-radius:12px;
      display:inline-flex;align-items:center;justify-content:center;margin-bottom:18px
    }
    #login-wall h2{font-size:20px;font-weight:700;color:#1e293b;margin-bottom:8px;letter-spacing:-.03em}
    #login-wall p{font-size:13px;color:#64748b;line-height:1.6;margin-bottom:28px}
    #login-wall-btn{
      display:inline-flex;align-items:center;gap:10px;
      padding:11px 22px;border-radius:9px;border:1.5px solid rgba(0,0,0,.1);
      background:#fff;color:#1e293b;font:500 13px/1 'Inter',sans-serif;
      cursor:pointer;box-shadow:0 1px 4px rgba(0,0,0,.08);
      transition:box-shadow .13s,background .13s;width:100%;justify-content:center
    }
    #login-wall-btn:hover{background:#f8fafc;box-shadow:0 2px 8px rgba(0,0,0,.12)}
    #login-wall-btn img{width:18px;height:18px}
    #login-wall-note{font-size:11px;color:#94a3b8;margin-top:14px}

    .hp-section{
      font-size:10px;font-weight:700;color:#94a3b8;text-transform:uppercase;
      letter-spacing:.06em;padding:12px 6px 5px
    }
    .hp-tabs{
      display:grid;grid-template-columns:repeat(4,1fr);gap:4px;
      padding:4px;margin-bottom:8px;background:rgba(24,33,47,.045);
      border-radius:10px
    }
    .hp-tab{
      height:30px;border:0;border-radius:7px;background:transparent;
      color:#64748b;font:650 10.5px/1 'Inter',sans-serif;cursor:pointer
    }
    .hp-tab.active{background:#fff;color:#1e293b;box-shadow:0 1px 4px rgba(15,23,42,.1)}
    #hp-stats{margin:0 0 9px}
    .hp-stats-label{
      font-size:10px;font-weight:700;color:#94a3b8;text-transform:uppercase;
      letter-spacing:.06em;padding:2px 4px 6px
    }
    .hp-stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:5px}
    .hp-stat-grid div{
      min-width:0;background:rgba(24,33,47,.045);border-radius:8px;
      padding:7px 5px;text-align:center
    }
    .hp-stat-grid strong{
      display:block;color:#1e293b;font:750 12px/1.1 'Inter',sans-serif;
      white-space:nowrap;overflow:hidden;text-overflow:ellipsis
    }
    .hp-stat-grid span{
      display:block;color:#94a3b8;font:650 9px/1 'Inter',sans-serif;
      text-transform:uppercase;letter-spacing:.04em;margin-top:4px
    }
    .hp-empty{
      padding:28px 20px;text-align:center;color:#94a3b8;
      font-size:13px;line-height:1.6
    }
    .hp-error{color:#e84800}
    .hp-item{
      display:flex;gap:11px;padding:9px 10px;border-radius:14px;cursor:pointer;
      align-items:center;-webkit-tap-highlight-color:transparent;
      background:rgba(24,33,47,.035);border:none;
      transition:background .14s,transform .14s
    }
    .hp-item+.hp-item{margin-top:5px}
    .hp-item:hover,.hp-item:active{background:rgba(37,99,235,.08);transform:translateY(-1px)}
    .hp-thumb{
      width:46px;height:46px;border-radius:50%;
      background:#edf3fb;flex-shrink:0;overflow:hidden;
      border:none;position:relative;
      box-shadow:inset 0 0 0 1px rgba(24,33,47,.06);
      display:flex;align-items:center;justify-content:center
    }
    .hp-thumb canvas{position:absolute;inset:0;width:100%;height:100%}
    .hp-thumb img{display:block;width:100%;height:100%;object-fit:cover}
    .hp-thumb svg{opacity:.35}
    .hp-info{flex:1;min-width:0}
    .hp-title{font-weight:600;font-size:13px;color:#1e293b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px;letter-spacing:-.01em}
    .hp-meta{font-size:11px;color:#94a3b8;line-height:1.4}
    .hp-badge{
      display:inline-block;margin-top:4px;
      font-size:9px;font-weight:700;padding:3px 7px;border-radius:999px;
      letter-spacing:.04em;text-transform:uppercase;white-space:nowrap
    }
    .hp-badge-strava{background:#fff3f0;color:#e84800}
    .hp-badge-gpx{background:#f0fdf4;color:#15803d}
    .hp-badge-osm{background:#eff6ff;color:#1d4ed8}
    .hp-fav{
      width:30px;height:30px;border-radius:50%;border:0;background:rgba(24,33,47,.055);
      color:#cbd5e1;cursor:pointer;flex-shrink:0;font-size:17px;line-height:1;
      display:flex;align-items:center;justify-content:center;
      opacity:0;transform:scale(.92);transition:opacity .12s,transform .12s,background .12s,color .12s
    }
    .hp-item:hover .hp-fav,
    .hp-item:focus-within .hp-fav,
    .hp-fav.active{opacity:1;transform:scale(1)}
    .hp-fav.active{color:#f59e0b;background:rgba(245,158,11,.13)}
    .hp-fav:disabled{opacity:.5;cursor:default}
    .hp-load-more{
      width:100%;height:36px;margin:9px 0 4px;border:1px solid rgba(24,33,47,.1);
      border-radius:10px;background:#fff;color:#475569;
      font:650 12px/1 'Inter',sans-serif;cursor:pointer
    }
    #btn-history{position:relative}
    #btn-history img{width:24px;height:24px;border-radius:50%;object-fit:cover}

    #seg-ts{
      display:none;
      position:fixed;bottom:calc(10px + env(safe-area-inset-bottom));right:10px;
      z-index:1000;
      font-size:10px;font-weight:600;letter-spacing:.3px;
      color:#4f6bcd;line-height:1;
      background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
      border-radius:7px;padding:5px 9px;
      box-shadow:0 1px 8px rgba(0,0,0,.18);
      border:1px solid rgba(137,176,230,.35);
      pointer-events:none
    }

    /* map labels */
    /* Pastel-alpine palette: label ink (never pure black) + palette accents.
       TODO(dark): terrain elevation ramp + a dark variant are NOT done — the
       basemap is raster tiles, so per-feature terrain/water/contour banding
       isn't possible without a vector basemap (MapLibre v5 color-relief or a
       vector source swap). When adding dark mode, do NOT invert the ramp
       (snow -> near-black is wrong); design a separate dark ramp. */
    .lbl{
      background:rgba(255,255,255,.94);
      border-radius:7px;
      padding:3px 8px 3px 9px;
      box-shadow:0 2px 8px rgba(0,0,0,.15);
      font:11px/1.35 'Inter',system-ui;
      color:#3E4A42;            /* label ink */
      white-space:nowrap;
      border-left:3px solid #E8A87C;   /* peak: route coral */
      user-select:none;
      -webkit-user-drag:none
    }
    .lbl.col{border-left-color:#7FB3C9}      /* col: river teal */
    .lbl.refuge{border-left-color:#6BA292}   /* refuge: accent jade */
    .lbl b{font-size:11px;font-weight:700}
    .lbl small{color:#6B7568;font-size:10px}  /* muted ink */
    .event-atlas-pin{
      position:relative;display:grid;place-items:center;min-width:30px;height:30px;padding:0 8px;
      border:3px solid #fff;border-radius:999px;background:#173f2d;color:#fff;
      box-shadow:0 3px 12px rgba(15,23,42,.35);font:800 11px/1 Inter,system-ui,sans-serif;
      cursor:pointer;white-space:nowrap;transform:translateY(-2px)
    }
    .event-atlas-pin:after{
      content:"";position:absolute;bottom:-7px;width:0;height:0;
      border-left:6px solid transparent;border-right:6px solid transparent;border-top:8px solid #173f2d
    }
    .event-atlas-pin.selected{background:#fc4c02;box-shadow:0 0 0 3px rgba(252,76,2,.28),0 4px 14px rgba(15,23,42,.4)}
    .event-atlas-pin.selected:after{border-top-color:#fc4c02}
    .event-atlas-pin .event-atlas-count{font-size:10px}

    /* elevation panel — fits screen, no horizontal scroll */
    #elev-panel{
      position:fixed;bottom:0;left:0;right:0;z-index:3;
      height:140px;display:none;
      background:rgba(255,255,255,.97);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
      border-top:1px solid rgba(0,0,0,.07);
      box-shadow:0 -4px 24px rgba(0,0,0,.1),0 -1px 4px rgba(0,0,0,.05);
      touch-action:none;
      overflow:hidden;
      transition:height .22s cubic-bezier(.4,0,.2,1)
    }
    #elev-panel.minimized{
      height:40px;width:40px;left:auto;border-radius:50%;margin:0 14px 14px 0;
      background:rgba(255,255,255,.8)!important;
      backdrop-filter:blur(20px) saturate(1.5);-webkit-backdrop-filter:blur(20px) saturate(1.5);
      border:1px solid rgba(255,255,255,.7)!important;
      box-shadow:0 10px 34px rgba(15,23,42,.2),0 2px 8px rgba(15,23,42,.1)!important;
      display:flex!important;align-items:center!important;justify-content:center!important;
      overflow:hidden}
    #elev-panel.minimized #elev-min{
      position:static!important;inset:unset!important;
      width:40px!important;height:40px!important;border-radius:50%;
      background:transparent;color:#374151;
      display:flex!important;align-items:center!important;justify-content:center!important;
      cursor:pointer}
    #elev-panel.minimized #elev-min svg{width:16px;height:16px}
    #elev-panel.minimized #elev-svg,
    #elev-panel.minimized ~ #elev-tip,
    #elev-panel.minimized #elev-color,
    #elev-panel.minimized #elev-slope,
    #elev-panel.minimized #elev-surface,
    #elev-panel.minimized #elev-share,
    #elev-panel.minimized #elev-export,
    #elev-panel.minimized #elev-split,
    #elev-panel.minimized #elev-fly,
    #elev-panel.minimized #elev-time,
    #elev-panel.minimized #elev-rename,
    #elev-panel.minimized #elev-close,
    #elev-panel.minimized #elev-stats,
    #elev-panel.beta-activity-profile.minimized #elev-stats{display:none!important}
    body:has(#elev-panel.minimized) #surface-key{display:none!important}
    .dark-ui #elev-panel.minimized,:root[data-theme="dark"] #elev-panel.minimized{
      background:var(--surface)!important;border-color:var(--hairline)!important;
      box-shadow:0 10px 34px rgba(0,0,0,.38),0 2px 8px rgba(0,0,0,.24)!important}
    .dark-ui #elev-panel.minimized #elev-min,:root[data-theme="dark"] #elev-panel.minimized #elev-min{color:rgba(255,255,255,.8)}
    #elev-svg{display:block;width:100%;height:100%}
    #plan-svg{
      display:block;width:100%;height:calc(100% - 50px);margin-top:50px;
      overflow:visible;pointer-events:none
    }
    /* Empty-state overlay: capsule shortcuts to load/copy a route */
    #plan-empty{
      display:none;position:absolute;left:0;right:0;top:50px;bottom:0;z-index:5;
      flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:0 16px
    }
    #plan-panel.plan-empty-on #plan-empty{display:flex}
    #plan-panel.plan-empty-on #pt-status.idle-prompt{visibility:hidden}
    .plan-empty-tip{
      font:12px/1.3 -apple-system,system-ui,sans-serif;color:#6b7280;
      letter-spacing:.01em;font-weight:600
    }
    .plan-cap-row{
      display:flex;flex-wrap:wrap;justify-content:center;gap:8px;
      max-width:100%;max-height:84px;overflow-y:auto
    }
    .plan-cap{
      display:inline-flex;align-items:center;gap:6px;
      height:30px;padding:0 13px;border:1px solid var(--hairline,rgba(0,0,0,.1));
      border-radius:15px;background:rgba(0,0,0,.04);cursor:pointer;
      font:12.5px/1 -apple-system,system-ui,sans-serif;font-weight:600;color:#374151;
      box-shadow:0 1px 3px rgba(0,0,0,.08);white-space:nowrap;
      transition:background .12s,transform .08s
    }
    .plan-cap:hover{background:rgba(0,0,0,.08)}
    .plan-cap:active{transform:scale(.96)}
    .plan-cap-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0;box-shadow:0 0 0 1px rgba(0,0,0,.12) inset}
    /* dark */
    #plan-panel.dark .plan-empty-tip{color:var(--text-secondary)}
    #plan-panel.dark .plan-cap{
      background:var(--surface-raised,#2C2C2E);border-color:var(--hairline,rgba(255,255,255,.12));
      color:var(--text-primary,#E5E5EA)
    }
    #plan-panel.dark .plan-cap:hover{background:#3A3A3C}

    #elev-tip{
      position:fixed;
      background:rgba(15,15,20,.93);color:#fff;
      font:11px/1.3 'Inter',system-ui;padding:6px 12px 5px;
      border-radius:8px;pointer-events:none;
      white-space:nowrap;display:none;
      transform:translateX(-50%);
      z-index:2000;
      border-top:2.5px solid var(--tip-color,#7aa2dc);
      box-shadow:0 2px 12px rgba(0,0,0,.4)
    }
    @media (orientation:portrait) and (max-width:490px){
      #elev-tip{max-width:calc(100vw - 16px);overflow:hidden}
    }

    #loc-btn.active{background:#4f6bcd;color:#fff}

    #elev-btns{position:absolute;inset:0;pointer-events:none}
    #elev-btns>*{pointer-events:auto}
    #elev-panel.minimized #elev-btns{transform:none!important;position:static;width:40px;height:40px}
    #elev-share,#elev-export,#elev-split,#elev-fly,#elev-slope,#elev-surface,#elev-time,#elev-rename,#elev-min,#elev-close{
      position:absolute;top:7px;
      width:24px;height:24px;border:none;border-radius:7px;
      background:rgba(0,0,0,.06);cursor:pointer;
      display:flex;align-items:center;justify-content:center;
      color:#6b7280;z-index:10;padding:0;flex-shrink:0;
      box-shadow:0 1px 3px rgba(0,0,0,.08);
      touch-action:manipulation;
      -webkit-tap-highlight-color:transparent;
      transition:background .13s,color .13s,box-shadow .13s;
    }
    #elev-min{right:8px}
    #elev-close{right:37px;display:none}
    #elev-share{right:37px}
    #elev-rename{right:66px;display:none}
    #elev-export{right:66px}
    #elev-split{right:95px}
    #elev-fly{right:124px}
    #elev-slope{right:153px}
    #elev-surface{right:182px;display:none;font:750 7.5px/1 'Inter',system-ui;
      background:linear-gradient(135deg,#ddeafd 0%,#d4f4f1 48%,#fee7d4 100%)!important;
      color:#4b5563!important;box-shadow:0 1px 4px rgba(0,0,0,.1)}
    #elev-time{right:211px;display:none}
    /* when close button is visible, share shifts right */
    #elev-panel.has-close #elev-share{right:66px}
    #elev-panel.has-close #elev-rename{right:95px}
    #elev-panel.has-close #elev-export{right:95px}
    #elev-panel.has-close #elev-split{right:124px}
    #elev-panel.has-close #elev-fly{right:153px}
    #elev-panel.has-close #elev-slope{right:182px}
    #elev-panel.has-close #elev-surface{right:211px}
    #elev-panel.has-close #elev-time{right:240px}
    #elev-share:hover,#elev-export:hover,#elev-split:hover,#elev-fly:hover,#elev-slope:hover,#elev-surface:hover,#elev-time:hover,#elev-rename:hover,#elev-min:hover,#elev-close:hover{background:rgba(0,0,0,.12);color:#111827;box-shadow:0 2px 6px rgba(0,0,0,.1)}
    #elev-split.active{background:#e84800;color:#fff;box-shadow:0 2px 6px rgba(232,72,0,.35)}
    #elev-fly.active{background:#059669;color:#fff;box-shadow:0 2px 6px rgba(5,150,105,.35)}
    #elev-slope.active{
      background:linear-gradient(135deg,#2563eb 0%,#14b8a6 48%,#f97316 100%);
      color:#fff;box-shadow:0 6px 16px rgba(37,99,235,.24),0 2px 8px rgba(249,115,22,.18)
    }
    #elev-surface.active{background:#4b5563;color:#fff;box-shadow:0 2px 6px rgba(75,85,99,.35)}
    #elev-surface.loading{font-size:0}
    #elev-surface.loading:after{
      content:"";width:12px;height:12px;border-radius:50%;border:2px solid rgba(255,255,255,.55);
      border-top-color:currentColor;animation:spin .7s linear infinite
    }
    #elev-time.active{background:#7c3aed;color:#fff;box-shadow:0 2px 6px rgba(124,58,237,.35)}
    #elev-color{
      position:absolute;top:7px;right:211px;
      width:24px;height:24px;border-radius:7px;cursor:pointer;
      border:none;z-index:10;padding:0;
      background:rgba(0,0,0,.06);box-shadow:0 1px 3px rgba(0,0,0,.08);
      display:none;align-items:center;justify-content:center
    }
    #elev-color:before{
      content:"";width:12px;height:12px;border-radius:50%;
      background:var(--route-color,#fc4c02);border:2px solid rgba(255,255,255,.82);
      box-shadow:0 1px 4px rgba(0,0,0,.28)
    }
    .elev-rename-input{
      min-height:28px
    }
    #elev-panel.has-close #elev-color{right:240px}
    #elev-panel.has-time #elev-color{right:240px}
    #elev-panel.has-time.has-close #elev-color{right:269px}
    #stop-chip{
      position:absolute;bottom:3px;left:50%;transform:translateX(-50%);
      background:rgba(10,10,10,.78);color:#fff;border-radius:5px;
      font:10px/1 'Inter',system-ui;font-weight:700;padding:3px 8px;
      pointer-events:none;display:none;z-index:20;white-space:nowrap;
      letter-spacing:.02em
    }
    #elev-stats{
      position:absolute;top:0;left:6px;height:34px;
      display:none;align-items:center;gap:6px;
      font:11px/1 'Inter',system-ui;font-weight:600;white-space:nowrap
    }
    .elev-gain{color:#3da870}
    .elev-loss{color:#d06848}
    .surface-key-item{display:flex;align-items:center;gap:5px}
    .surface-swatch{width:18px;height:0;border-top:2px solid var(--route-color,#fc4c02);border-radius:999px}
    .surface-swatch.paved{border-top-style:dotted}
    .surface-swatch.unknown{opacity:.5;border-top-style:dashed}
    .surface-stats{display:inline-flex;align-items:center;gap:7px;margin-left:4px;color:#5b6470;font-weight:650}
    .surface-stat{display:inline-flex;align-items:center;gap:3px}
    .surface-stat-line{width:16px;height:0;border-top:2px solid var(--route-color,#fc4c02);border-radius:999px}
    .surface-stat-line.paved{border-top-style:dotted}
    .surface-stat-line.unknown{border-top-style:dashed;opacity:.55}
    /* ── Dark theme tokens (draft): frosted charcoal surfaces, raised #2C2C2E ── */
    #elev-panel.dark,#plan-panel.dark{
      --dk-btn:#2C2C2E;--dk-btn-bd:rgba(255,255,255,.08);--dk-btn-fg:#E5E5EA;
      --dk-btn-hbg:#3A3A3C;--dk-btn-hbd:rgba(255,255,255,.18)
    }
    #elev-panel.dark{
      background:rgba(28,28,30,.92);
      border-top-color:rgba(255,255,255,.08);
      box-shadow:0 -14px 40px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.05)
    }
    /* chips: raised charcoal pills with a hairline */
    #elev-panel.dark #elev-stats .est{
      background:#2C2C2E;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
      color:#E5E5EA
    }
    #elev-panel.dark #elev-stats .est.elev-gain{color:#30D158}
    #elev-panel.dark #elev-stats .est.elev-loss{color:#FF6B5E}
    /* toolbar buttons — black, white contour */
    #elev-panel.dark #elev-share,#elev-panel.dark #elev-export,
    #elev-panel.dark #elev-split,#elev-panel.dark #elev-surface,
    #elev-panel.dark #elev-slope,#elev-panel.dark #elev-time,
    #elev-panel.dark #elev-fly,#elev-panel.dark #elev-rename,
    #elev-panel.dark #elev-close,#elev-panel.dark #elev-min{
      background:var(--dk-btn);color:var(--dk-btn-fg);
      box-shadow:inset 0 0 0 1px var(--dk-btn-bd)
    }
    #elev-panel.dark #elev-share:hover,#elev-panel.dark #elev-export:hover,
    #elev-panel.dark #elev-split:hover,#elev-panel.dark #elev-surface:hover,
    #elev-panel.dark #elev-slope:hover,#elev-panel.dark #elev-time:hover,
    #elev-panel.dark #elev-fly:hover,#elev-panel.dark #elev-rename:hover,
    #elev-panel.dark #elev-close:hover,#elev-panel.dark #elev-min:hover{
      background:var(--dk-btn-hbg);color:#fff;box-shadow:inset 0 0 0 1px var(--dk-btn-hbd)
    }
    #elev-panel.dark #elev-split.active{background:#e84800;color:#fff;box-shadow:none}
    #elev-panel.elev-wide:not(.minimized){height:185px}
    #elev-clock{
      position:absolute;top:9px;left:50%;transform:translateX(-50%);
      font:10px/1 'Inter',system-ui;font-weight:600;color:#666;
      display:none;pointer-events:none;z-index:10;white-space:nowrap;
      background:rgba(255,255,255,.7);padding:2px 7px;border-radius:4px
    }
    #elev-panel.dark #elev-clock{color:#98989F;background:rgba(255,255,255,.08)}
    #elev-panel.dark .minimized #elev-min,#elev-panel.dark.minimized #elev-min{color:rgba(255,255,255,.8)}
    /* viewer mode — hide route-editing controls */
    #elev-panel.viewer-mode #elev-split,
    #elev-panel.viewer-mode #elev-export,
    #elev-panel.viewer-mode #elev-share,
    #elev-panel.viewer-mode #elev-fly,
    #elev-panel.viewer-mode #elev-slope,
    #elev-panel.viewer-mode #elev-surface,
    #elev-panel.viewer-mode #elev-color,
    #elev-panel.viewer-mode #elev-close,
    #elev-panel.viewer-mode #elev-stats { display:none!important }

    /* sharing mode — hide editing/sharing controls not useful while sharing */
    #elev-panel.sharing-mode #elev-split,
    #elev-panel.sharing-mode #elev-export,
    #elev-panel.sharing-mode #elev-share,
    #elev-panel.sharing-mode #elev-fly,
    #elev-panel.sharing-mode #elev-slope,
    #elev-panel.sharing-mode #elev-surface,
    #elev-panel.sharing-mode #elev-color,
    #elev-panel.sharing-mode #elev-time { display:none!important }

    /* pulsing dot for current GPS position on profile */
    @keyframes prof-pulse { 0%,100%{r:5.5px;opacity:.9} 50%{r:7px;opacity:.6} }
    #prof-self-dot { animation: prof-pulse 2s ease-in-out infinite }

    /* ── Loading toast ── */
    #load-toast{
      position:fixed;top:calc(12px + env(safe-area-inset-top));left:50%;
      transform:translateX(-50%);
      background:rgba(15,15,20,.9);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
      color:#fff;font:12px/1 'Inter',system-ui;font-weight:500;
      padding:9px 18px 9px 14px;border-radius:22px;
      box-shadow:0 4px 20px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.08);
      z-index:3000;display:none;pointer-events:none;
      white-space:nowrap;
    }

    #undo-toast{
      position:fixed;top:calc(12px + env(safe-area-inset-top));left:50%;
      transform:translateX(-50%);
      background:rgba(15,15,20,.9);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
      color:#fff;font:12px/1 'Inter',system-ui;font-weight:500;
      padding:7px 9px 7px 16px;border-radius:22px;
      box-shadow:0 4px 20px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.08);
      z-index:3001;display:none;
      align-items:center;gap:10px;white-space:nowrap
    }
    #undo-toast button{
      background:rgba(79,107,205,.9);border:none;color:#fff;
      font:11px/1 'Inter',system-ui;font-weight:600;
      padding:5px 11px;border-radius:13px;cursor:pointer;
      -webkit-tap-highlight-color:transparent;transition:background .13s
    }
    #undo-toast button:hover{background:rgba(79,107,205,1)}

    /* ── Route switcher bar ── */
    #route-bar{
      position:fixed;bottom:10px;left:10px;
      z-index:1000;display:none;flex-wrap:wrap;gap:6px;
      max-width:calc(100vw - 20px)
    }
    .r-pill{
      display:flex;align-items:center;gap:6px;
      padding:6px 8px 6px 10px;border-radius:10px;
      background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
      box-shadow:0 2px 12px rgba(0,0,0,.15),inset 0 1px 0 rgba(255,255,255,1);
      font:600 11px/1 'Inter',system-ui;cursor:pointer;
      border:1px solid rgba(255,255,255,.7);
      max-width:140px;-webkit-tap-highlight-color:transparent;
      transition:all .15s cubic-bezier(.4,0,.2,1)
    }
    .r-pill.active{border-color:#4f6bcd;color:#4f6bcd;box-shadow:0 2px 12px rgba(79,107,205,.2),inset 0 1px 0 rgba(255,255,255,1)}
    .r-pill-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .r-pill-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;border:2px solid rgba(255,255,255,.6);cursor:pointer;box-shadow:0 1px 3px rgba(0,0,0,.2)}
    .r-pill-x{flex-shrink:0;opacity:.45;display:flex;padding:1px;transition:opacity .1s}
    .r-pill-x:hover{opacity:.9}
    .r-pill.dragging{opacity:.35;pointer-events:none}
    .r-pill.drag-over{border-color:#4f6bcd;box-shadow:0 0 0 2px rgba(79,107,205,.25)}
    #color-picker{
      display:none;position:fixed;z-index:3000;
      background:rgba(20,20,24,.97);backdrop-filter:blur(12px);
      border:1px solid rgba(255,255,255,.12);border-radius:10px;
      padding:8px;gap:5px;flex-wrap:wrap;width:124px;
      box-shadow:0 6px 28px rgba(0,0,0,.75)
    }
    .cp-sw{width:22px;height:22px;border-radius:5px;cursor:pointer;border:2px solid transparent}
    .cp-sw:hover,.cp-sw:active{outline:2px solid #fff;outline-offset:1px}

    /* ── Show-all / weather map labels ── */
    .map-lbl{
      background:rgba(255,255,255,.93);backdrop-filter:blur(6px);
      border-radius:6px;padding:2px 7px 2px 8px;
      box-shadow:0 1px 6px rgba(0,0,0,.16);
      font:10px/1.3 'Inter',system-ui;white-space:nowrap;
      border-left:3px solid #c87860;
      transform:translate(6px,-50%);display:inline-block;
      user-select:none;-webkit-user-drag:none
    }
    .map-lbl.col{border-left-color:#89b0e6}
    .map-lbl.refuge{border-left-color:#c07000}
    .map-lbl.city{border-left-color:#555;font-style:italic}
    .map-lbl b{font-size:10px;font-weight:700}
    .map-lbl small{color:#666;font-size:9px}

    /* ── Segment overlay card ── */
    #seg-overlay{
      display:none;position:fixed;z-index:2000;
      animation:segFadeIn .2s ease
    }
    @keyframes segFadeIn{from{opacity:0}to{opacity:1}}

    /* ── Segment tooltips ── */
    .seg-tip{background:rgba(8,8,16,.97)!important;border:1px solid rgba(255,255,255,.12)!important;
      border-radius:10px!important;color:#ccc!important;padding:9px 12px!important;font-size:11px;
      box-shadow:0 6px 28px rgba(0,0,0,.75)!important;pointer-events:none;max-width:220px}
    .seg-tip::before{display:none!important}
    @media (pointer:coarse){.leaflet-tooltip.seg-tip{display:none!important}}
    .osm-route-tooltip{font-size:12px;font-weight:600;padding:4px 8px;background:#fff;border:none;box-shadow:0 2px 8px rgba(0,0,0,.25)}
    .osm-route-tooltip::before{display:none!important}
    .maplibregl-popup.osm-route-popup .maplibregl-popup-content{font-size:12px;font-weight:600;padding:4px 8px;border-radius:4px}
    /* ── Keyboard help modal ── */
    #kbd-help{display:none;position:fixed;inset:0;z-index:9000;background:rgba(0,0,0,.55);align-items:center;justify-content:center}
    #kbd-help.open{display:flex}
    #kbd-help-box{background:#1a1a24;border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:20px 24px;min-width:300px;max-width:360px;color:#ddd;box-shadow:0 12px 48px rgba(0,0,0,.7)}
    #kbd-help-box h3{margin:0 0 14px;font-size:13px;font-weight:700;color:#fff;text-transform:uppercase;letter-spacing:.06em}
    .kbd-section{margin-bottom:12px}
    .kbd-section-title{font-size:10px;font-weight:700;color:#888;text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}
    .kbd-row{display:flex;justify-content:space-between;align-items:center;padding:3px 0;font-size:12px}
    .kbd-row span{color:#aaa}
    .kbd-keys{display:flex;gap:4px}
    kbd{background:#2a2a38;border:1px solid rgba(255,255,255,.18);border-radius:5px;padding:2px 7px;font-size:11px;font-family:inherit;color:#eee;line-height:1.6}
    .osm-ov-glow{filter:blur(4px);pointer-events:none!important}
    .t-name{font-size:12.5px;font-weight:700;color:#fff;margin-bottom:2px;white-space:normal;line-height:1.3}
    .t-meta{color:#666;font-size:10px;margin-bottom:7px}
    .t-row{display:flex;gap:7px;align-items:baseline}
    .t-cell{display:flex;flex-direction:column;align-items:center;min-width:26px}
    .t-lbl{font-size:10px;color:#555;text-transform:uppercase;letter-spacing:.4px;margin-bottom:1px}
    .t-val{font-size:13px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums}
    .c-today{color:#ff4444}.c-yest{color:#ff9900}.c-2day{color:#ffcc00}
    .c-week{color:#c8e000}.c-month{color:#5599ff}.c-all{color:#666}

    /* ── beta layout proposal: map-first rail + adaptive sheets ── */
    :root{
      --beta-ink:#18212f;
      --beta-muted:#6b7280;
      --beta-panel:rgba(255,255,255,.94);
      --beta-border:rgba(24,33,47,.12);
      --beta-accent:#ef6a32;
      --beta-blue:#2563eb;
      --beta-shadow:0 18px 50px rgba(15,23,42,.18),0 3px 14px rgba(15,23,42,.1);
    }
    #layer-btns{
      top:calc(14px + env(safe-area-inset-top));right:14px;left:auto;bottom:auto;
      align-items:flex-end;gap:8px;padding:8px;
      border:1px solid rgba(255,255,255,.72);border-radius:18px;
      background:linear-gradient(180deg,rgba(255,255,255,.76),rgba(245,247,250,.62));
      backdrop-filter:blur(22px) saturate(1.35);-webkit-backdrop-filter:blur(22px) saturate(1.35);
      box-shadow:var(--beta-shadow)
    }
    .btn-row{justify-content:flex-end}
    .lbtn{
      width:40px;height:40px;border-radius:12px;border-color:rgba(24,33,47,.1);
      background:rgba(255,255,255,.72);color:#263142;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 1px 2px rgba(15,23,42,.05);
      --btn-accent:#2563eb;
    }
    .lbtn svg,
    #elev-share svg,#elev-export svg,#elev-split svg,#elev-fly svg,#elev-slope svg,#elev-time svg,#elev-rename svg,#elev-min svg,#elev-close svg{
      width:16px;height:16px;stroke-width:2;vector-effect:non-scaling-stroke
    }
    .lbtn:hover:not(.active){background:#fff;color:var(--btn-accent);transform:translateX(-1px);border-color:color-mix(in srgb,var(--btn-accent) 28%,transparent)}
    .lbtn.active{
      background:linear-gradient(145deg,var(--btn-accent),color-mix(in srgb,var(--btn-accent) 62%,#14b8a6));border-color:rgba(255,255,255,.38);color:#fff;
      box-shadow:0 10px 24px rgba(37,99,235,.24),0 5px 16px rgba(239,106,50,.18),inset 0 1px 0 rgba(255,255,255,.28)
    }
    #btn-layer{--btn-accent:#2563eb}
    #btn-upload{--btn-accent:#16a34a}
    #btn-search{--btn-accent:#06b6d4}
    .water-popup{font:12px/1.4 Inter,system-ui;min-width:100px}
    .water-popup b{display:block;font-weight:700;margin-bottom:2px}
    .water-popup .w-kind{font-size:10px;color:#6b7280;text-transform:capitalize}
    .water-popup .w-np{color:#ef4444;font-size:10px}
    #btn-plan{--btn-accent:#16a34a}
    #btn-nav{--btn-accent:#f59e0b}
    #btn3d{--btn-accent:#8b5cf6}
    #btn-weather{--btn-accent:#0ea5e9}
    #loc-btn{--btn-accent:#22c55e}
    #btn-safety{--btn-accent:#f43f5e}
    #btn-history{--btn-accent:#64748b}
    /* nav mode — mobile-only */
    #btn-nav-row{display:none!important}
    #nav-hud{
      display:none;position:fixed;left:14px;bottom:84px;z-index:1200;
      width:108px;height:108px;border-radius:54px;
      background:rgba(10,18,30,.88);backdrop-filter:blur(12px);
      border:1.5px solid rgba(255,255,255,.10);
      box-shadow:0 8px 32px rgba(0,0,0,.45);padding:6px;
      align-items:center;justify-content:center;
      font-family:Inter,system-ui;user-select:none;pointer-events:none;
      overflow:visible;
    }
    #nav-hud.nav-on{display:flex}
    #nav-gauge{width:96px;height:96px;flex-shrink:0}
    #nav-gauge svg{display:block}
    /* camera warning — sibling pill, below the circular HUD */
    #nav-cam-warn{
      display:none;position:fixed;left:14px;bottom:72px;z-index:1200;
      width:108px;box-sizing:border-box;
      align-items:center;justify-content:center;gap:4px;
      font-size:10px;font-weight:600;color:#f59e0b;
      padding:3px 8px;border-radius:8px;
      background:rgba(245,158,11,.14);border:1px solid rgba(245,158,11,.3);
      white-space:nowrap;pointer-events:none;font-family:Inter,system-ui;
    }
    #nav-cam-warn.visible{display:flex}
    #nav-cam-warn.close{color:#f87171;background:rgba(248,113,113,.14);border-color:rgba(248,113,113,.3)}
    /* Road name toast — centered, above elevation panel */
    #nav-road-toast{
      display:none;position:fixed;bottom:88px;left:50%;transform:translateX(-50%);
      z-index:1200;background:rgba(0,0,0,.78);color:#fff;
      padding:5px 16px;border-radius:20px;font-size:12px;font-weight:500;
      white-space:nowrap;max-width:calc(100vw - 80px);overflow:hidden;
      text-overflow:ellipsis;pointer-events:none;backdrop-filter:blur(8px);
      box-shadow:0 2px 12px rgba(0,0,0,.3);
    }
    #nav-road-toast.visible{display:block}
    @media (prefers-color-scheme:dark){
      #nav-road-toast{background:rgba(255,255,255,.15);color:#f1f5f9}
    }
    .lbtn-sep{width:26px;height:1px;margin:1px 7px;background:linear-gradient(90deg,transparent,rgba(24,33,47,.18),transparent)}
    /* Activity actions retain a compact fallback on very short desktop viewports. */
    @media (min-width:701px) and (max-height:647px) and (hover:hover){#elev-btns{transform:translateX(-66px)}}
    .side-panel{
      right:48px;left:auto;top:0;width:min(340px,calc(100vw - 88px));
      border-radius:16px;border-color:rgba(255,255,255,.7);
      background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(248,250,252,.92));
      box-shadow:0 22px 60px rgba(15,23,42,.2),0 2px 12px rgba(15,23,42,.08),inset 0 1px 0 rgba(255,255,255,.95);
      padding:14px
    }
    .panel-title{color:var(--beta-muted);letter-spacing:.09em}
    #search-panel{width:min(380px,calc(100vw - 88px))}
    #search-input{
      padding:10px 12px;border-radius:8px;background:#fff;border-color:rgba(24,33,47,.14);
      font-size:13px
    }
    .overlay-choice{border-radius:10px;padding:8px 10px}
    .overlay-choice.active{color:var(--beta-blue);background:linear-gradient(90deg,rgba(37,99,235,.1),rgba(20,184,166,.07))}
    .upload-btn{border-radius:8px;color:var(--beta-blue);background:rgba(49,91,184,.06);border-color:rgba(49,91,184,.28)}
    .strava-row button{background:var(--beta-blue)}
    #route-bar{
      left:14px;bottom:14px;max-width:calc(100vw - 28px);
      padding:5px;border-radius:13px;background:rgba(255,255,255,.66);
      backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
      box-shadow:0 10px 34px rgba(15,23,42,.16)
    }
    .r-pill{border-radius:8px;background:rgba(255,255,255,.84);box-shadow:none}
    #plan-type-row{right:14px;left:auto}
    .plan-type-btn{border-radius:8px;background:rgba(255,255,255,.86)}
    #elev-panel{border-top-color:rgba(24,33,47,.1);box-shadow:0 -12px 38px rgba(15,23,42,.12)}
    #load-toast,#undo-toast{top:calc(16px + env(safe-area-inset-top));border-radius:8px}
    .dark-ui #layer-btns{background:rgba(28,28,30,.92);border-color:rgba(255,255,255,.08)}
    .dark-ui .lbtn:not(.active){background:#2C2C2E;color:#E5E5EA;border-color:rgba(255,255,255,.08);box-shadow:0 2px 8px rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.05)}
    /* White-mode: crisp opaque white, no blur — inverse of dark */
    .white-ui #layer-btns{background:rgba(255,255,255,.97);border-color:rgba(0,0,0,.08);backdrop-filter:none;-webkit-backdrop-filter:none;box-shadow:0 4px 24px rgba(0,0,0,.14)}
    .white-ui .lbtn:not(.active){background:#fff;color:#111827;border-color:rgba(0,0,0,.08);box-shadow:0 1px 4px rgba(0,0,0,.1)}
    .white-ui .lbtn.active{background:#111827;color:#fff;border-color:#111827}
    .white-ui .lbtn-sep{background:rgba(0,0,0,.1)}
    #color-picker{
      width:150px;padding:9px;gap:7px;border-radius:16px;
      background:linear-gradient(180deg,rgba(17,24,39,.96),rgba(31,41,55,.94));
      border-color:rgba(255,255,255,.14);box-shadow:0 18px 48px rgba(0,0,0,.42)
    }
    .cp-sw{
      width:26px;height:26px;border-radius:9px;border:2px solid rgba(255,255,255,.16);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 2px 8px rgba(0,0,0,.2)
    }
    .cp-sw:hover,.cp-sw:active{outline:2px solid rgba(255,255,255,.95);outline-offset:2px}
    #upload-panel{
      padding:0;overflow:hidden;background:rgba(250,251,253,.94)
    }
    #upload-panel .panel-title{
      position:relative;margin:0;padding:18px 16px 4px 56px;
      color:#111827;font:760 13px/1 'Inter',system-ui;text-transform:none;letter-spacing:0
    }
    #upload-panel .panel-title:before{
      content:"";position:absolute;left:16px;top:13px;width:30px;height:30px;border-radius:9px;
      background:url(/peaks/logo/app-icon.svg) center/cover no-repeat;
      box-shadow:0 8px 18px rgba(15,25,35,.22)
    }
    #upload-panel .panel-title:after{content:none}
    .beta-strava-sub{
      margin:0 16px 0 56px;color:#7b8491;font:500 11px/1.35 'Inter',system-ui
    }
    #upload-panel .upload-btn,
    #upload-panel .strava-row,
    #upload-panel .status{margin-left:16px;margin-right:16px}
    #upload-panel .upload-btn{
      margin-top:13px;margin-bottom:10px;padding:11px 12px;border-radius:11px;
      background:#fff;border:1px solid rgba(24,33,47,.08);color:#263142;
      box-shadow:0 1px 2px rgba(15,23,42,.04)
    }
    #upload-panel .upload-btn svg{color:#315bb8}
    #upload-panel .strava-row{
      padding:5px;border-radius:13px;background:#fff;border:1px solid rgba(24,33,47,.08);
      box-shadow:0 1px 2px rgba(15,23,42,.04)
    }
    #upload-panel .strava-row input{
      border:0;background:transparent;box-shadow:none;padding:8px 9px;font-size:13px;color:#111827
    }
    #upload-panel .strava-row input:focus{border:0;background:transparent;box-shadow:none}
    #upload-panel .strava-row button{
      width:34px;height:34px;border-radius:10px;background:#111827;box-shadow:none
    }
    #upload-panel .strava-row button:hover{background:#252f3f}
    #upload-panel .status{margin-top:10px;margin-bottom:14px}
    #map:after{
      content:"";position:fixed;inset:0;z-index:2;pointer-events:none;
      background:
        linear-gradient(90deg,rgba(12,18,28,.12),rgba(12,18,28,0) 22%),
        linear-gradient(0deg,rgba(12,18,28,.14),rgba(12,18,28,0) 30%);
      mix-blend-mode:multiply
    }
    .side-panel.open{animation:betaPanelIn .16s ease-out}
    @keyframes betaPanelIn{from{opacity:0;transform:translateX(5px) scale(.985)}to{opacity:1;transform:none}}
    #elev-panel.beta-activity-profile:not(.minimized){
      height:190px;border-radius:18px 18px 0 0;
      background:
        radial-gradient(circle at 20% 0,rgba(232,93,42,.12),rgba(232,93,42,0) 34%),
        linear-gradient(180deg,rgba(255,255,255,.98),rgba(247,249,252,.96));
    }
    #elev-panel.beta-activity-profile.elev-wide:not(.minimized){height:218px}
    #elev-panel.beta-activity-profile #elev-stats{
      display:flex!important;top:11px;left:14px;height:24px;z-index:14;
      align-items:center;gap:8px;padding:0 10px;border-radius:999px;
      background:rgba(255,255,255,.72);box-shadow:inset 0 0 0 1px rgba(24,33,47,.08),0 3px 10px rgba(15,23,42,.05);
      backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)
    }
    #elev-panel.beta-activity-profile:not(.minimized)::before{
      content:"";position:absolute;top:0;left:0;right:0;height:54px;
      background:linear-gradient(180deg,rgba(255,255,255,.9) 0%,rgba(255,255,255,.55) 52%,rgba(255,255,255,0) 100%);
      z-index:9;pointer-events:none;border-radius:18px 18px 0 0
    }
    #elev-panel.beta-activity-profile #elev-svg{
      width:calc(100% - 18px);height:calc(100% - 14px);
      margin:10px 9px 4px;border-radius:12px;
      background:
        linear-gradient(180deg,rgba(255,255,255,.74),rgba(255,255,255,.3)),
        repeating-linear-gradient(90deg,rgba(24,33,47,.035) 0,rgba(24,33,47,.035) 1px,transparent 1px,transparent 64px);
      box-shadow:inset 0 0 0 1px rgba(24,33,47,.07),0 8px 22px rgba(15,23,42,.06)
    }
    #elev-panel.beta-activity-profile.grade-mode #elev-svg{
      background:
        radial-gradient(circle at 82% 16%,rgba(37,99,235,.11),rgba(37,99,235,0) 26%),
        linear-gradient(180deg,rgba(255,255,255,.78),rgba(255,255,255,.32)),
        repeating-linear-gradient(90deg,rgba(24,33,47,.035) 0,rgba(24,33,47,.035) 1px,transparent 1px,transparent 64px)
    }
    #elev-panel.beta-activity-profile #elev-share,
    #elev-panel.beta-activity-profile #elev-export,
    #elev-panel.beta-activity-profile #elev-split,
    #elev-panel.beta-activity-profile #elev-fly,
    #elev-panel.beta-activity-profile #elev-slope,
    #elev-panel.beta-activity-profile #elev-surface,
    #elev-panel.beta-activity-profile #elev-time,
    #elev-panel.beta-activity-profile #elev-min,
    #elev-panel.beta-activity-profile #elev-close{
      top:11px;width:28px;height:28px;border-radius:10px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(255,255,255,.72);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.92),0 5px 14px rgba(15,23,42,.08);
      backdrop-filter:blur(14px) saturate(1.25);-webkit-backdrop-filter:blur(14px) saturate(1.25);
      color:#333d4b;--profile-btn-accent:#2563eb
    }
    #elev-panel.beta-activity-profile #elev-color{
      top:11px;width:28px;height:28px;border-radius:10px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(255,255,255,.72);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.92),0 5px 14px rgba(15,23,42,.08);
      backdrop-filter:blur(14px) saturate(1.25);-webkit-backdrop-filter:blur(14px) saturate(1.25)
    }
    #elev-panel.beta-activity-profile #elev-share{--profile-btn-accent:#2563eb}
    #elev-panel.beta-activity-profile #elev-export{--profile-btn-accent:#0ea5e9}
    #elev-panel.beta-activity-profile #elev-split{--profile-btn-accent:#ef6a32}
    #elev-panel.beta-activity-profile #elev-fly{--profile-btn-accent:#16a34a}
    #elev-panel.beta-activity-profile #elev-slope{--profile-btn-accent:#f97316}
    #elev-panel.beta-activity-profile #elev-surface{--profile-btn-accent:#4b5563}
    #elev-panel.beta-activity-profile #elev-time{--profile-btn-accent:#8b5cf6}
    #elev-panel.beta-activity-profile #elev-min{--profile-btn-accent:#64748b}
    #elev-panel.beta-activity-profile #elev-close{--profile-btn-accent:#ef4444}
    #elev-panel.beta-activity-profile #elev-share:hover,
    #elev-panel.beta-activity-profile #elev-export:hover,
    #elev-panel.beta-activity-profile #elev-split:hover,
    #elev-panel.beta-activity-profile #elev-fly:hover,
    #elev-panel.beta-activity-profile #elev-slope:hover,
    #elev-panel.beta-activity-profile #elev-surface:hover,
    #elev-panel.beta-activity-profile #elev-time:hover,
    #elev-panel.beta-activity-profile #elev-min:hover,
    #elev-panel.beta-activity-profile #elev-close:hover{
      background:#fff;color:var(--profile-btn-accent);
      border-color:color-mix(in srgb,var(--profile-btn-accent) 28%,rgba(255,255,255,.72));
      box-shadow:inset 0 1px 0 rgba(255,255,255,.96),0 6px 16px rgba(15,23,42,.1)
    }
    #elev-panel.beta-activity-profile #elev-color:hover{
      background:#fff;border-color:color-mix(in srgb,var(--route-color,#fc4c02) 32%,rgba(255,255,255,.72));
      box-shadow:inset 0 1px 0 rgba(255,255,255,.96),0 6px 16px rgba(15,23,42,.1)
    }
    #elev-panel.beta-activity-profile #elev-split.active,
    #elev-panel.beta-activity-profile #elev-fly.active,
    #elev-panel.beta-activity-profile #elev-surface.active,
    #elev-panel.beta-activity-profile #elev-time.active{
      background:linear-gradient(145deg,var(--profile-btn-accent),color-mix(in srgb,var(--profile-btn-accent) 62%,#14b8a6));
      border-color:rgba(255,255,255,.38);color:#fff;
      box-shadow:0 9px 22px color-mix(in srgb,var(--profile-btn-accent) 28%,transparent),inset 0 1px 0 rgba(255,255,255,.28)
    }
    #elev-panel.beta-activity-profile #elev-slope.active{
      border-color:rgba(255,255,255,.42);
      box-shadow:0 9px 22px rgba(37,99,235,.2),0 5px 16px rgba(249,115,22,.18),inset 0 1px 0 rgba(255,255,255,.28)
    }

    /* ── beta-activity-profile: dark theme (frosted charcoal tokens) ── */
    #elev-panel.beta-activity-profile.dark:not(.minimized){
      background:rgba(28,28,30,.92)
    }
    #elev-panel.beta-activity-profile.dark:not(.minimized)::before{
      background:linear-gradient(180deg,rgba(28,28,30,.95) 0%,rgba(28,28,30,.5) 52%,rgba(28,28,30,0) 100%)
    }
    #elev-panel.beta-activity-profile.dark #elev-stats{
      background:#2C2C2E;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)
    }
    #elev-panel.beta-activity-profile.dark #elev-svg{
      background:
        linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.01)),
        repeating-linear-gradient(90deg,rgba(255,255,255,.028) 0,rgba(255,255,255,.028) 1px,transparent 1px,transparent 64px);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.08),0 8px 22px rgba(0,0,0,.4)
    }
    #elev-panel.beta-activity-profile.dark.grade-mode #elev-svg{
      background:
        radial-gradient(circle at 82% 16%,rgba(96,165,250,.12),rgba(96,165,250,0) 26%),
        linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.01)),
        repeating-linear-gradient(90deg,rgba(255,255,255,.028) 0,rgba(255,255,255,.028) 1px,transparent 1px,transparent 64px)
    }
    #elev-panel.beta-activity-profile.dark #elev-share,
    #elev-panel.beta-activity-profile.dark #elev-export,
    #elev-panel.beta-activity-profile.dark #elev-split,
    #elev-panel.beta-activity-profile.dark #elev-fly,
    #elev-panel.beta-activity-profile.dark #elev-slope,
    #elev-panel.beta-activity-profile.dark #elev-surface,
    #elev-panel.beta-activity-profile.dark #elev-time,
    #elev-panel.beta-activity-profile.dark #elev-min,
    #elev-panel.beta-activity-profile.dark #elev-close,
    #elev-panel.beta-activity-profile.dark #elev-color{
      background:var(--dk-btn);border:1px solid var(--dk-btn-bd);
      box-shadow:none;color:var(--dk-btn-fg)
    }
    #elev-panel.beta-activity-profile.dark #elev-share:hover,
    #elev-panel.beta-activity-profile.dark #elev-export:hover,
    #elev-panel.beta-activity-profile.dark #elev-split:hover,
    #elev-panel.beta-activity-profile.dark #elev-fly:hover,
    #elev-panel.beta-activity-profile.dark #elev-slope:hover,
    #elev-panel.beta-activity-profile.dark #elev-surface:hover,
    #elev-panel.beta-activity-profile.dark #elev-time:hover,
    #elev-panel.beta-activity-profile.dark #elev-min:hover,
    #elev-panel.beta-activity-profile.dark #elev-close:hover,
    #elev-panel.beta-activity-profile.dark #elev-color:hover{
      background:var(--dk-btn-hbg);color:#fff;border-color:var(--dk-btn-hbd)
    }

    /* ── Complete dark UI: map chrome, popovers and chart cards ── */
    :root[data-theme="dark"]{
      --panel-bg:var(--surface);
      --panel-border:1px solid var(--hairline);
      --panel-shadow:0 12px 36px rgba(0,0,0,.48),inset 0 1px 0 rgba(255,255,255,.04);
    }
    :root[data-theme="dark"] #layer-btns,
    :root[data-theme="dark"] .side-panel,
    :root[data-theme="dark"] #route-bar{
      background:var(--surface);border-color:var(--hairline);color:var(--text-primary);
      backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)
    }
    :root[data-theme="dark"] #route-bar{
      gap:2px;padding:3px;border-radius:12px;
      background:#25282e;border:1px solid var(--hairline);
      box-shadow:0 10px 28px rgba(0,0,0,.38)
    }
    :root[data-theme="dark"] #route-bar .r-pill{
      gap:5px;padding:6px 9px;border:none;border-radius:9px;
      background:transparent;color:#f2f2f7;box-shadow:none;
      backdrop-filter:none;-webkit-backdrop-filter:none
    }
    :root[data-theme="dark"] #route-bar .r-pill:hover{
      background:rgba(255,255,255,.07);color:#fff
    }
    :root[data-theme="dark"] #route-bar .r-pill.active{
      background:color-mix(in srgb,var(--pill-accent,#30D158) 22%,transparent);
      color:color-mix(in srgb,var(--pill-accent,#30D158) 72%,white);
      box-shadow:none
    }
    :root[data-theme="dark"] #route-bar .r-pill-dot{display:none}
    :root[data-theme="dark"] #route-bar .r-pill-x{color:currentColor;opacity:.62}
    :root[data-theme="light"] #route-bar{
      gap:2px;padding:3px;border-radius:12px;
      background:rgba(238,240,244,.94);
      border:1px solid rgba(24,33,47,.08);
      box-shadow:0 8px 24px rgba(15,23,42,.14);
      backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)
    }
    :root[data-theme="light"] #route-bar .r-pill{
      gap:5px;padding:6px 9px;border:none;border-radius:9px;
      background:transparent;color:#374151;box-shadow:none;
      backdrop-filter:none;-webkit-backdrop-filter:none
    }
    :root[data-theme="light"] #route-bar .r-pill:hover{
      background:rgba(255,255,255,.72);color:#111827
    }
    :root[data-theme="light"] #route-bar .r-pill.active{
      background:color-mix(in srgb,var(--pill-accent,#2563eb) 13%,white);
      color:color-mix(in srgb,var(--pill-accent,#2563eb) 76%,#111827);
      box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--pill-accent,#2563eb) 14%,transparent)
    }
    :root[data-theme="light"] #route-bar .r-pill-dot{display:none}
    :root[data-theme="light"] #route-bar .r-pill-x{color:currentColor;opacity:.48}
    :root[data-theme="dark"] .side-panel{
      box-shadow:0 18px 48px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.04)
    }
    :root[data-theme="dark"] .panel-title,
    :root[data-theme="dark"] .lc-key,
    :root[data-theme="dark"] .sr-ele,
    :root[data-theme="dark"] .sr-empty{color:var(--text-secondary)}
    :root[data-theme="dark"] .layer-choice,
    :root[data-theme="dark"] .lp-view-btn,
    :root[data-theme="dark"] .overlay-choice,
    :root[data-theme="dark"] .r-pill{
      color:var(--text-primary);background:rgba(255,255,255,.045)
    }
    :root[data-theme="dark"] .ov-tabs{background:rgba(255,255,255,.05)}
    :root[data-theme="dark"] .ov-tab{color:var(--text-secondary)}
    :root[data-theme="dark"] .ov-tab.active{
      background:var(--surface-raised);color:var(--text-primary);
      box-shadow:inset 0 0 0 1px var(--hairline)
    }
    :root[data-theme="dark"] .ov-page .overlay-choice .ov-label{color:var(--text-secondary)}
    :root[data-theme="dark"] .ov-page .overlay-choice.active .ov-label{color:var(--text-primary)}
    :root[data-theme="dark"] .panel-divider{background:var(--hairline)}
    :root[data-theme="dark"] #search-input,
    :root[data-theme="dark"] .strava-row input{
      background:var(--surface-raised);border-color:var(--hairline);color:var(--text-primary)
    }
    :root[data-theme="dark"] #search-input:focus,
    :root[data-theme="dark"] .strava-row input:focus{
      background:#323236;border-color:var(--accent-action);
      box-shadow:0 0 0 3px rgba(10,132,255,.18)
    }
    :root[data-theme="dark"] .sr-name{color:var(--text-primary)}
    :root[data-theme="dark"] .sr-item:hover,
    :root[data-theme="dark"] .sr-item:active,
    :root[data-theme="dark"] .sr-item.sr-active{background:rgba(255,255,255,.07)}
    :root[data-theme="dark"] #elev-panel,
    :root[data-theme="dark"] #plan-panel{
      background:var(--surface);border-top-color:var(--hairline);
      backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)
    }
    :root[data-theme="dark"] #elev-panel.beta-activity-profile #elev-svg{
      background:rgba(28,28,30,.72);
      box-shadow:inset 0 0 0 1px var(--hairline),0 8px 22px rgba(0,0,0,.32)
    }
    :root[data-theme="dark"] .surface-swatch.paved,
    :root[data-theme="dark"] .surface-stat-line.paved{
      border-top-style:dotted;border-top-width:3px
    }
    :root[data-theme="dark"] #surface-key{
      background:var(--surface);color:var(--text-primary);
      box-shadow:inset 0 0 0 1px var(--hairline)
    }

    @media (max-width:700px){
      :root{
        --mobile-nav-height:54px;
        --mobile-nav-bottom:6px;
        --mobile-panel-gap:14px;
      }
      #layer-btns{
        top:auto;left:10px;right:10px;bottom:max(6px,calc(env(safe-area-inset-bottom) - 14px));
        border-radius:30px;
        flex-direction:row;align-items:center;overflow:visible;
        gap:0;padding:6px 8px;
        background:transparent;border:1px solid transparent;
        backdrop-filter:none;-webkit-backdrop-filter:none;
        box-shadow:none
      }
      #layer-btns::before{
        content:"";position:absolute;inset:-1px;z-index:-1;border-radius:inherit;
        background:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.7);
        backdrop-filter:blur(20px) saturate(1.5);-webkit-backdrop-filter:blur(20px) saturate(1.5);
        box-shadow:0 10px 34px rgba(15,23,42,.2),0 2px 8px rgba(15,23,42,.1)
      }
      #nav-scroll{
        display:flex;flex-direction:row;align-items:center;
        overflow-x:auto;overflow-y:visible;gap:6px;flex:1;scrollbar-width:none
      }
      #nav-scroll::-webkit-scrollbar{display:none}
      .btn-row{position:static;flex:0 0 auto}
      .side-panel{z-index:4050}
      .lbtn{width:38px;height:38px;flex:0 0 auto}
      .lbtn:hover:not(.active){transform:none}
      .lbtn-sep{width:1px;height:24px;margin:0 2px;flex:0 0 auto}
      .side-panel{
        position:fixed;left:10px;right:10px;top:auto;
        bottom:calc(72px + env(safe-area-inset-bottom));width:auto;max-height:62vh;
        overflow:auto;border-radius:14px
      }
      #search-panel{width:auto}
      #route-bar{
        left:10px;right:auto;bottom:calc(268px + env(safe-area-inset-bottom));
        width:max-content;max-width:calc(100vw - 20px);overflow-x:auto;flex-wrap:nowrap;
        background:none;backdrop-filter:none;-webkit-backdrop-filter:none;
        box-shadow:none;padding:3px 4px
      }
      :root[data-theme="dark"] #route-bar{
        width:max-content;max-width:calc(100vw - 20px)
      }
      .r-pill{flex:0 0 auto}
      #plan-type-row{
        left:10px;right:10px;justify-content:flex-start;overflow-x:auto;
        bottom:calc(72px + env(safe-area-inset-bottom))
      }
      #plan-panel.visible ~ #plan-type-row{bottom:212px}
      #elev-panel,#plan-panel{border-radius:14px 14px 0 0}
      #elev-panel:not(.minimized){
        left:0;right:0;width:auto;margin-right:0;
        bottom:var(--mobile-panel-bottom,calc(var(--mobile-nav-height) + var(--mobile-nav-bottom) + var(--mobile-panel-gap) + env(safe-area-inset-bottom)))
      }
      #elev-panel.minimized{bottom:var(--mobile-panel-bottom,calc(var(--mobile-nav-height) + var(--mobile-nav-bottom) + var(--mobile-panel-gap)));margin:0 14px 0 0}
      #plan-panel.visible{
        left:0;right:0;width:auto;margin-right:0;
        bottom:var(--mobile-panel-bottom,calc(72px + env(safe-area-inset-bottom)))
      }
      #plan-panel.visible{height:220px}
      #plan-panel.editing-route{height:220px}
      #plan-panel.editing-route + #plan-meta-stack{bottom:calc(306px + env(safe-area-inset-bottom))}
      #plan-panel.with-route{bottom:calc(212px + env(safe-area-inset-bottom))}
      #plan-panel.visible + #plan-meta-stack{bottom:calc(306px + env(safe-area-inset-bottom))}
      #plan-panel.with-route + #plan-meta-stack{bottom:calc(366px + env(safe-area-inset-bottom))}
      #btn3d,#btn-weather,#sep-3d-group{display:none}
      #btn-safety{display:none!important}
      :root[data-theme="dark"] #layer-btns::before{
        background:var(--surface);border-color:var(--hairline);
        box-shadow:0 10px 34px rgba(0,0,0,.38),0 2px 8px rgba(0,0,0,.24)
      }
      #elev-panel.beta-activity-profile:not(.minimized),
      #elev-panel.beta-activity-profile.elev-wide:not(.minimized){height:220px}
      #elev-panel.beta-activity-profile #elev-stats{left:12px;top:11px}
      #elev-panel.beta-activity-profile #elev-btns{
        top:8px;left:auto;right:10px;
        max-width:calc(100% - 142px);overflow-x:auto;overflow-y:hidden;
        justify-content:flex-start;scrollbar-width:none
      }
      #elev-panel.beta-activity-profile #elev-btns::-webkit-scrollbar{display:none}
      #elev-panel.beta-activity-profile #elev-color{display:flex}
      #elev-panel.beta-activity-profile #elev-rename{display:none}
      #elev-panel.beta-activity-profile.can-rename #elev-rename{display:flex!important}
      #elev-panel.beta-activity-profile #elev-color{order:-10}
      #elev-panel.beta-activity-profile #elev-rename{order:-9}
      #elev-panel.beta-activity-profile .elev-rename-input{
        top:8px;width:min(210px,calc(100% - 28px));height:32px;
        border-radius:10px!important;font-size:13px!important;z-index:30!important
      }
      .btn-nav-toggle{display:inline-flex}
    }
    @media (min-width:560px){
      .pt-label{display:inline}
    }
    @media (max-width:559px){
      .plan-type-btn{font-size:0!important;width:24px!important;min-width:24px!important;padding:0!important}
      .plan-type-btn svg{
        width:13px!important;height:13px!important;flex-basis:13px!important
      }
      /* narrow screens: trim widths so Clear/Done never overflow, but keep the
         button cluster pushed hard right (margin-left:auto on #plan-seg) */
      #plan-toolbar{height:30px;gap:2px}
      #plan-seg{padding:3px;border-radius:15px}
      #plan-toolbar .plan-type-btn{height:24px;border-radius:12px}
      #plan-quiet .pt-prof,
      #plan-panel.dark #plan-quiet .pt-prof{width:26px;height:26px;min-width:26px}
      #pt-load{height:26px;border-radius:13px;padding:0 8px;gap:4px}
      #pt-status{padding:0 7px;letter-spacing:.02em}
      #plan-stats .est{padding:4px 4px;font-size:9px;gap:2px}
      #plan-stats .est-extra{display:none}
      #plan-svg{height:calc(100% - 42px);margin-top:42px}
    }
    @media (orientation:portrait) and (max-width:490px){
      #plan-panel.visible{overflow:visible}
      #plan-toolbar #plan-stats{
        position:absolute;top:-48px;left:2px
      }
      #elev-panel.beta-activity-profile:not(.minimized){overflow:visible}
      #elev-panel.beta-activity-profile #elev-stats{
        top:-40px;left:10px
      }
      #elev-panel.beta-activity-profile #elev-btns{
        left:10px;right:10px;max-width:none;justify-content:flex-end
      }
      #elev-panel.beta-activity-profile #elev-svg{
        width:calc(100% - 9px);margin-right:0;
        border-radius:14px 0 0 0;overflow:hidden
      }
    }
    @media (min-width:701px) and (max-height:520px) and (hover:hover){
      #layer-btns{gap:4px;padding:5px}
      .lbtn{width:34px;height:34px;border-radius:10px}
      .lbtn-sep{margin:0 4px}
    }

    /* ════════════════════════════════════════════════════════════════════
       Smooth pass — shared glass tokens for all floating chrome.
       Radii derive from --radius-panel: tiles 11px, buttons 16px.
       ════════════════════════════════════════════════════════════════════ */
    :root{
      --panel-bg:     rgba(255,255,255,.84);
      --panel-blur:   blur(22px) saturate(1.5);
      --panel-border: 1px solid rgba(255,255,255,.7);
      --panel-shadow: 0 1px 2px rgba(15,30,60,.05),
                      0 12px 32px rgba(15,30,60,.13),
                      0 32px 80px rgba(15,30,60,.10);
      --radius-panel: 20px;
      --radius-btn:   16px;
      --radius-tile:  11px;
      --chrome-accent:#2563eb;
    }

    /* ── Right rail: one capsule ── */
    #layer-btns{
      gap:2px;padding:6px;border-radius:var(--radius-panel);
      background:var(--panel-bg);border:var(--panel-border);
      backdrop-filter:var(--panel-blur);-webkit-backdrop-filter:var(--panel-blur);
      box-shadow:var(--panel-shadow)
    }
    .lbtn{
      width:40px;height:40px;border-radius:var(--radius-btn);
      border:1px solid transparent;background:transparent;box-shadow:none
    }
    .lbtn:hover:not(.active){
      background:rgba(24,33,47,.06);border-color:transparent;
      box-shadow:none;transform:none;color:var(--btn-accent)
    }
    /* open = a panel is showing → filled accent */
    .lbtn.active{
      background:var(--btn-accent);border-color:transparent;color:#fff;
      box-shadow:0 6px 16px color-mix(in srgb,var(--btn-accent) 32%,transparent),
                 inset 0 1px 0 rgba(255,255,255,.25)
    }
    /* engaged = a mode is on → focus tint, without a separate status dot */
    #btn3d.active,#btn-weather.active,#loc-btn.active,
    #btn-plan.active,#btn-nav.active,#btn-edit.active{
      background:color-mix(in srgb,var(--btn-accent) 22%,transparent);
      color:var(--btn-accent);border-color:transparent;
      box-shadow:none;position:relative
    }
    .lbtn-sep{width:24px;background:rgba(24,33,47,.1);margin:3px 8px}

    /* ── Dark tooltips flying left (desktop only; native title removed in JS) ── */
    @media (hover:hover) and (min-width:701px){
      .lbtn[data-tip]{position:relative}
      .lbtn[data-tip]:hover::after{
        content:attr(data-tip);position:absolute;right:calc(100% + 14px);top:50%;
        background:rgba(15,18,28,.92);color:#fff;
        font:600 11px/1 'Inter',system-ui;padding:7px 11px;border-radius:9px;
        white-space:nowrap;pointer-events:none;z-index:5000;
        box-shadow:0 8px 24px rgba(0,0,0,.28);
        backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
        animation:lbtnTip .15s ease-out;transform:translateY(-50%)
      }
      @keyframes lbtnTip{
        from{opacity:0;transform:translateY(-50%) translateX(5px)}
        to{opacity:1;transform:translateY(-50%) translateX(0)}
      }
    }

    /* Elevation-panel toolbar buttons: same dark tooltip as the rail (below the
       button), replacing the native OS title — black bg / white label both themes */
    @media (hover:hover) and (min-width:701px){
      #elev-btns button[data-tip]{position:relative}
      #elev-btns button[data-tip]:hover::after{
        content:attr(data-tip);position:absolute;top:calc(100% + 8px);left:50%;
        background:rgba(15,18,28,.92);color:#fff;
        font:600 11px/1 'Inter',system-ui;padding:7px 11px;border-radius:9px;
        white-space:nowrap;pointer-events:none;z-index:5000;
        box-shadow:0 8px 24px rgba(0,0,0,.28);
        backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
        transform:translateX(-50%);animation:lbtnTip .15s ease-out
      }
    }

    /* ── Side panels: same glass ── */
    .side-panel{
      border-radius:var(--radius-panel);border:var(--panel-border);
      background:var(--panel-bg);
      backdrop-filter:var(--panel-blur);-webkit-backdrop-filter:var(--panel-blur);
      box-shadow:var(--panel-shadow)
    }
    /* buttons inside panels follow the same language */
    .lp-view-btn{
      border-radius:var(--radius-tile);background:rgba(24,33,47,.05);
      border:1px solid transparent
    }
    .lp-view-btn:hover{background:rgba(37,99,235,.08);color:var(--chrome-accent)}
    .lp-view-btn.active{
      background:var(--chrome-accent);border-color:transparent;color:#fff;
      box-shadow:0 5px 14px rgba(37,99,235,.26)
    }

    /* ── Map style picker: preview thumbnails, 3-col ── */
    .layer-choices-grid{gap:8px;margin-bottom:4px}
    .layer-choice{
      padding:0;border:none;background:none!important;gap:5px;
      border-radius:var(--radius-tile)
    }
    .lc-thumb{
      display:block;width:100%;aspect-ratio:3/2;border-radius:var(--radius-tile);
      background-color:#e7ebf2;background-size:cover;background-position:center;
      box-shadow:inset 0 0 0 1px rgba(24,33,47,.1);position:relative;
      transition:box-shadow .15s,transform .15s
    }
    .lc-thumb svg{position:absolute;inset:0;margin:auto;opacity:.4}
    .layer-choice:hover .lc-thumb{
      box-shadow:inset 0 0 0 1px rgba(24,33,47,.1),0 5px 16px rgba(15,30,60,.2);
      transform:translateY(-1px)
    }
    .layer-choice.active{border:none;color:var(--chrome-accent)}
    .layer-choice.active .lc-thumb{
      box-shadow:0 0 0 2px var(--chrome-accent),0 5px 16px rgba(37,99,235,.28)
    }
    .layer-choice.active .lc-thumb::after{
      content:"";position:absolute;top:4px;right:4px;width:16px;height:16px;
      border-radius:50%;background:var(--chrome-accent);
      background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='4 13 9 18 20 7'/%3E%3C/svg%3E");
      background-size:9px;background-position:center;background-repeat:no-repeat;
      box-shadow:0 1px 5px rgba(15,30,60,.35)
    }
    .layer-choice.active .lc-label{color:var(--chrome-accent);font-weight:700}
    /* kbd shortcut chip — hover only */
    .layer-choice .lc-key{
      top:4px;left:4px;right:auto;
      font:700 8px/1 ui-monospace,monospace;color:#fff;
      background:rgba(15,18,28,.72);padding:3px 5px;border-radius:5px;
      opacity:0;transition:opacity .12s;pointer-events:none
    }
    .layer-choice:hover .lc-key{opacity:1}

    /* ── Overlays: segmented tabs + iOS switches ── */
    .ov-tabs{
      display:flex;gap:2px;padding:3px;border-radius:11px;
      background:rgba(24,33,47,.06);margin-bottom:8px
    }
    .ov-tab{
      flex:1;display:flex;align-items:center;justify-content:center;gap:5px;
      border:none;background:none;border-radius:8px;padding:6px 4px;cursor:pointer;
      font:650 11px/1 'Inter',system-ui;color:#6b7280;
      -webkit-tap-highlight-color:transparent;transition:background .14s,color .14s
    }
    .ov-tab.active{background:#fff;color:#18212f;box-shadow:0 1px 4px rgba(15,30,60,.14)}
    .ov-tab-dot{
      display:none;min-width:14px;height:14px;border-radius:7px;padding:0 3px;
      background:var(--chrome-accent);color:#fff;
      font:700 8.5px/14px 'Inter',system-ui;text-align:center
    }
    .ov-tab.has-active .ov-tab-dot{display:inline-block}
    .ov-page .overlay-choice{
      display:flex;align-items:center;justify-content:space-between;gap:8px;
      padding:7px 6px 7px 9px;border-radius:10px;background:none
    }
    .ov-page .overlay-choice:hover{background:rgba(24,33,47,.05)}
    .ov-page .overlay-choice .ov-label{font:550 12px/1.3 'Inter',system-ui;color:#374151}
    .ov-page .overlay-choice.active{background:none}
    .ov-page .overlay-choice.active .ov-label{color:#18212f;font-weight:650}
    .ov-switch{
      width:34px;height:20px;border-radius:10px;flex-shrink:0;position:relative;
      background:rgba(24,33,47,.18);transition:background .18s
    }
    .ov-knob{
      position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;
      background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.3);transition:left .18s
    }
    .overlay-choice.active .ov-switch{background:var(--chrome-accent)}
    .overlay-choice.active .ov-knob{left:16px}

    /* ── Elevation / plan: floating glass cards (desktop) ── */
    @media (min-width:701px){
      #elev-panel:not(.minimized){
        left:14px;right:14px;bottom:14px;
        border-radius:var(--radius-panel);
        background:var(--panel-bg);border:var(--panel-border);
        backdrop-filter:var(--panel-blur);-webkit-backdrop-filter:var(--panel-blur);
        box-shadow:var(--panel-shadow)
      }
      #elev-panel.beta-activity-profile:not(.minimized){
        border-radius:var(--radius-panel);border:var(--panel-border)
      }
      #elev-panel.beta-activity-profile:not(.minimized)::before{
        border-radius:var(--radius-panel) var(--radius-panel) 0 0
      }
      #plan-panel.visible{
        left:14px;right:14px;bottom:14px;
        border-radius:var(--radius-panel);border:var(--panel-border);border-top:var(--panel-border);
        background:var(--panel-bg);
        backdrop-filter:var(--panel-blur);-webkit-backdrop-filter:var(--panel-blur);
        box-shadow:var(--panel-shadow)
      }
      /* stack above the floating elev card: 14px inset + card height + 14px gap */
      #plan-panel.with-route{bottom:168px}
      #elev-panel.elev-wide ~ #plan-panel.with-route{bottom:213px}
      #elev-panel.beta-activity-profile ~ #plan-panel.with-route{bottom:218px}
    }

    /* ── Elevation toolbar: one rounded group on the right ── */
    #elev-btns{
      inset:auto;top:8px;right:var(--activity-actions-right,10px);left:auto;bottom:auto;
      display:flex;align-items:center;gap:2px;padding:3px;
      border-radius:var(--radius-btn);
      background:rgba(255,255,255,.66);
      box-shadow:inset 0 0 0 1px rgba(24,33,47,.07),0 4px 14px rgba(15,30,60,.08);
      backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
      pointer-events:auto;z-index:12
    }
    #elev-btns>*{
      position:static!important;top:auto;right:auto;
      width:26px;height:26px;border-radius:13px;
      background:transparent;border:none;box-shadow:none
    }
    #elev-close{order:98}
    #elev-min{order:99}
    #elev-share:hover,#elev-export:hover,#elev-split:hover,#elev-fly:hover,
    #elev-slope:hover,#elev-time:hover,#elev-rename:hover,#elev-min:hover,#elev-close:hover{
      background:rgba(24,33,47,.08);box-shadow:none
    }
    /* active tool = filled accent pill (colors from existing per-tool rules) */
    #elev-split.active,#elev-fly.active,#elev-surface.active,#elev-time.active{border-radius:13px}
    #elev-panel.minimized #elev-btns{
      padding:0;gap:0;background:none;box-shadow:none;
      backdrop-filter:none;-webkit-backdrop-filter:none;border-radius:12px
    }
    /* beta-activity-profile per-button glass chips → flatten inside the group */
    #elev-panel.beta-activity-profile #elev-share,
    #elev-panel.beta-activity-profile #elev-export,
    #elev-panel.beta-activity-profile #elev-split,
    #elev-panel.beta-activity-profile #elev-fly,
    #elev-panel.beta-activity-profile #elev-slope,
    #elev-panel.beta-activity-profile #elev-surface,
    #elev-panel.beta-activity-profile #elev-time,
    #elev-panel.beta-activity-profile #elev-min,
    #elev-panel.beta-activity-profile #elev-close,
    #elev-panel.beta-activity-profile #elev-color{
      width:26px;height:26px;border-radius:13px;
      background:transparent;border:none;box-shadow:none;
      backdrop-filter:none;-webkit-backdrop-filter:none
    }
    #elev-panel.beta-activity-profile #elev-split.active,
    #elev-panel.beta-activity-profile #elev-fly.active,
    #elev-panel.beta-activity-profile #elev-surface.active,
    #elev-panel.beta-activity-profile #elev-time.active{
      background:linear-gradient(145deg,var(--profile-btn-accent),color-mix(in srgb,var(--profile-btn-accent) 62%,#14b8a6));
      color:#fff
    }
    #elev-panel.beta-activity-profile #elev-slope.active{color:#fff}

    /* ── Stat chips: mono, tabular nums ── */
    #elev-stats{top:8px;left:12px;height:auto;gap:5px;z-index:14;pointer-events:none}
    #elev-stats .est,#plan-stats .est{
      display:inline-flex;align-items:center;gap:4px;
      padding:6px 9px;border-radius:9px;
      background:rgba(255,255,255,.66);
      box-shadow:inset 0 0 0 1px rgba(24,33,47,.07),0 3px 10px rgba(15,30,60,.05);
      font:600 10.5px/1 'Inter',system-ui;letter-spacing:0;
      font-variant-numeric:tabular-nums;color:#374151;white-space:nowrap
    }
    /* keep gain/loss colors (the .est color above otherwise out-specifies them) */
    #elev-stats .est.elev-gain,#plan-stats .est.elev-gain{color:#3da870}
    #elev-stats .est.elev-loss,#plan-stats .est.elev-loss{color:#d06848}
    #plan-stats .est{padding:5px 8px}
    #elev-panel.beta-activity-profile #elev-stats{
      background:none;box-shadow:none;padding:0;
      backdrop-filter:none;-webkit-backdrop-filter:none;top:11px;left:12px
    }
    :root[data-theme="dark"] #layer-btns .lbtn{
      border-radius:50%;background:var(--surface-raised);color:var(--text-primary);
      border:1px solid var(--hairline);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04)
    }
    :root[data-theme="dark"] #layer-btns .lbtn svg{
      stroke-linecap:round;stroke-linejoin:round
    }
    :root[data-theme="dark"] #layer-btns .lbtn.active{
      background:color-mix(in srgb,var(--btn-accent) 24%,var(--surface-raised));
      color:var(--btn-accent);border-color:color-mix(in srgb,var(--btn-accent) 20%,var(--hairline));
      box-shadow:none
    }
    :root[data-theme="dark"] #elev-btns{
      background:transparent;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none;
      gap:5px;padding:0
    }
    :root[data-theme="dark"] #elev-btns>*,
    :root[data-theme="dark"] #elev-panel.beta-activity-profile #elev-btns>*{
      width:28px;height:28px;border-radius:50%;
      background:var(--surface-raised);color:var(--text-primary);
      border:1px solid var(--hairline);box-shadow:none
    }
    :root[data-theme="dark"] #elev-btns>*:hover{
      background:#3A3A3C;color:#fff;border-color:rgba(255,255,255,.16)
    }
    :root[data-theme="dark"] #elev-surface{
      background:var(--surface-raised)!important;color:var(--text-primary)!important;
      border-color:var(--hairline)!important
    }
    :root[data-theme="dark"] #elev-surface.active{
      background:color-mix(in srgb,var(--profile-btn-accent) 24%,var(--surface-raised))!important;
      color:var(--profile-btn-accent)!important
    }
    :root[data-theme="dark"] #elev-panel.beta-activity-profile #elev-split.active,
    :root[data-theme="dark"] #elev-panel.beta-activity-profile #elev-fly.active,
    :root[data-theme="dark"] #elev-panel.beta-activity-profile #elev-surface.active,
    :root[data-theme="dark"] #elev-panel.beta-activity-profile #elev-time.active,
    :root[data-theme="dark"] #elev-panel.beta-activity-profile #elev-slope.active{
      background:color-mix(in srgb,var(--profile-btn-accent) 24%,var(--surface-raised));
      color:var(--profile-btn-accent);border-color:color-mix(in srgb,var(--profile-btn-accent) 20%,var(--hairline));
      box-shadow:none
    }
    :root[data-theme="dark"] #elev-stats .est,
    :root[data-theme="dark"] #plan-stats .est{
      background:var(--surface-raised);color:var(--text-primary);
      box-shadow:inset 0 0 0 1px var(--hairline)
    }
    :root[data-theme="dark"] #elev-stats .est.elev-gain,
    :root[data-theme="dark"] #plan-stats .est.elev-gain{color:var(--accent-up)}
    :root[data-theme="dark"] #elev-stats .est.elev-loss,
    :root[data-theme="dark"] #plan-stats .est.elev-loss{color:var(--accent-down)}
    :root[data-theme="light"] #elev-panel.beta-activity-profile:not(.minimized){
      background:rgba(250,251,252,.96)
    }
    :root[data-theme="light"] #elev-panel.beta-activity-profile:not(.minimized)::before{
      background:linear-gradient(180deg,rgba(255,255,255,.88),rgba(255,255,255,.42) 55%,transparent)
    }
    :root[data-theme="light"] #elev-panel.beta-activity-profile #elev-svg{
      background:rgba(255,255,255,.52);
      box-shadow:inset 0 0 0 1px rgba(24,33,47,.065),0 6px 18px rgba(15,23,42,.045)
    }
    :root[data-theme="light"] #elev-btns{
      background:transparent;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none;
      gap:5px;padding:0
    }
    :root[data-theme="light"] #elev-btns>*,
    :root[data-theme="light"] #elev-panel.beta-activity-profile #elev-btns>*{
      width:28px;height:28px;border-radius:50%;
      background:rgba(244,246,248,.96);color:#374151;
      border:1px solid rgba(24,33,47,.075);
      box-shadow:0 2px 7px rgba(15,23,42,.06)
    }
    :root[data-theme="light"] #elev-btns>*:hover{
      background:#fff;color:var(--profile-btn-accent,#2563eb);
      border-color:color-mix(in srgb,var(--profile-btn-accent,#2563eb) 20%,rgba(24,33,47,.075))
    }
    :root[data-theme="light"] #elev-surface{
      background:rgba(244,246,248,.96)!important;color:#374151!important;
      border-color:rgba(24,33,47,.075)!important
    }
    :root[data-theme="light"] #elev-panel.beta-activity-profile #elev-split.active,
    :root[data-theme="light"] #elev-panel.beta-activity-profile #elev-fly.active,
    :root[data-theme="light"] #elev-panel.beta-activity-profile #elev-surface.active,
    :root[data-theme="light"] #elev-panel.beta-activity-profile #elev-time.active,
    :root[data-theme="light"] #elev-panel.beta-activity-profile #elev-slope.active{
      background:color-mix(in srgb,var(--profile-btn-accent) 13%,white)!important;
      color:var(--profile-btn-accent)!important;
      border-color:color-mix(in srgb,var(--profile-btn-accent) 18%,rgba(24,33,47,.075))!important;
      box-shadow:none
    }
    :root[data-theme="dark"] #hp-panel{
      background:var(--surface);color:var(--text-primary);
      border-left:1px solid var(--hairline);
      box-shadow:-18px 0 48px rgba(0,0,0,.46);
      backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)
    }
    :root[data-theme="dark"] #hp-header{border-bottom-color:var(--hairline)}
    :root[data-theme="dark"] #hp-name,
    :root[data-theme="dark"] .hp-title{color:var(--text-primary)}
    :root[data-theme="dark"] #hp-email,
    :root[data-theme="dark"] .hp-meta,
    :root[data-theme="dark"] .hp-section,
    :root[data-theme="dark"] .hp-stats-label{color:var(--text-secondary)}
    :root[data-theme="dark"] .hp-tabs,
    :root[data-theme="dark"] .hp-stat-grid div,
    :root[data-theme="dark"] .hp-fav{background:rgba(255,255,255,.055)}
    :root[data-theme="dark"] .hp-tab{color:var(--text-secondary)}
    :root[data-theme="dark"] .hp-tab.active{
      background:var(--surface-raised);color:var(--text-primary);
      box-shadow:0 1px 4px rgba(0,0,0,.3)
    }
    :root[data-theme="dark"] .hp-stat-grid strong{color:var(--text-primary)}
    :root[data-theme="dark"] .hp-stat-grid span,
    :root[data-theme="dark"] .hp-empty{color:var(--text-secondary)}
    :root[data-theme="dark"] .hp-fav.active{background:rgba(245,158,11,.18);color:#fbbf24}
    :root[data-theme="dark"] .hp-load-more{
      background:var(--surface-raised);color:var(--text-primary);
      border-color:var(--hairline)
    }
    :root[data-theme="dark"] .hp-item{background:rgba(255,255,255,.045)}
    :root[data-theme="dark"] .hp-item:hover,
    :root[data-theme="dark"] .hp-item:active{background:rgba(255,255,255,.085)}
    :root[data-theme="dark"] .hp-thumb{
      background:var(--surface-raised);
      box-shadow:inset 0 0 0 1px var(--hairline)
    }
    :root[data-theme="dark"] #hp-close,
    :root[data-theme="dark"] #hp-logout,
    :root[data-theme="dark"] #hp-safety-action{
      background:var(--surface-raised);color:var(--text-primary);
      border-color:var(--hairline)
    }
    :root[data-theme="dark"] #hp-close:hover,
    :root[data-theme="dark"] #hp-logout:hover{background:#3A3A3C;color:#fff}
    :root[data-theme="dark"] .hp-badge-strava{background:rgba(255,107,94,.14);color:#FF8A80}
    :root[data-theme="dark"] .hp-badge-gpx{background:rgba(48,209,88,.14);color:var(--accent-up)}
    :root[data-theme="dark"] .hp-badge-osm{background:rgba(10,132,255,.16);color:#64AFFF}
    @media (min-width:1024px){
      #layer-btns{
        gap:7px;padding:10px;
        right:14px;
        transition:gap .18s ease,padding .18s ease,right .32s cubic-bezier(.4,0,.2,1)
      }
      #layer-btns > .side-panel{
        right:calc(100% + 15px)
      }
      #layer-btns:has(.lbtn.active),
      #layer-btns:has(.side-panel.open){
        gap:2px;padding:6px
      }
      body:has(#hp-panel.open) #layer-btns{
        right:334px;gap:2px;padding:6px
      }
    }
    @media (max-width:700px){
      #elev-stats .est-extra{display:none}
    }
    @media (max-width:600px){
      #hp-safety-action{display:inline-flex}
      /* Mobile: keep Sign out reachable as a compact icon button next to ✕ */
      #hp-logout{
        display:flex;align-items:center;justify-content:center;
        width:28px;height:28px;padding:0;border-radius:50%;
        border:none;background:#f1f5f9;color:#64748b;flex-shrink:0
      }
      #hp-logout .hp-logout-ico{display:block}
      #hp-logout span{display:none}
    }
    @media (max-width:700px){
      #layer-btns,
      :root[data-theme="dark"] #layer-btns{
        background:transparent;border-color:transparent;
        backdrop-filter:none;-webkit-backdrop-filter:none;
        box-shadow:none
      }
    }
    /* Phones in landscape are wider than the regular mobile breakpoint.
       Keep the map actions in one bottom bar instead of reverting to the
       height-constrained desktop rail. */
    @media (orientation:landscape) and (max-height:500px) and (hover:none) and (pointer:coarse){
      .btn-nav-toggle{display:inline-flex}
      #layer-btns,
      :root[data-theme="dark"] #layer-btns{
        top:calc(14px + env(safe-area-inset-top));left:auto;
        right:14px;bottom:auto;
        display:flex;flex-direction:row;align-items:center;gap:0;padding:5px 8px;
        border-radius:28px;background:transparent;border-color:transparent;
        backdrop-filter:none;-webkit-backdrop-filter:none;box-shadow:none
      }
      #layer-btns::before{
        content:"";position:absolute;inset:-1px;z-index:-1;border-radius:inherit;
        background:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.7);
        backdrop-filter:blur(20px) saturate(1.5);-webkit-backdrop-filter:blur(20px) saturate(1.5);
        box-shadow:0 8px 28px rgba(15,23,42,.2),0 2px 8px rgba(15,23,42,.1)
      }
      :root[data-theme="dark"] #layer-btns::before{
        background:var(--surface);border-color:var(--hairline);
        box-shadow:0 8px 28px rgba(0,0,0,.38),0 2px 8px rgba(0,0,0,.24)
      }
      #nav-scroll{
        display:flex;flex:0 1 auto;align-items:center;justify-content:flex-end;
        gap:4px;overflow:visible
      }
      #layer-btns .btn-row{position:static;flex:0 0 auto}
      #layer-btns .lbtn{width:36px;height:36px;flex:0 0 auto;border-radius:14px}
      #layer-btns .lbtn-sep{width:1px;height:22px;margin:0 2px}
      #btn3d,#btn-weather,#sep-3d-group{display:none}
      #btn-safety{display:none!important}
      #btn-rail-collapse{
        display:flex!important;order:99;width:36px;height:36px;
        margin-left:4px;border-radius:50%
      }
      #layer-btns.landscape-collapsed{padding:5px}
      #layer-btns.landscape-collapsed #nav-scroll,
      #layer-btns.landscape-collapsed #btn-history{display:none}
      #layer-btns.landscape-collapsed #btn-rail-collapse{margin-left:0}
      #layer-btns.landscape-collapsed .rail-collapse-icon{transform:rotate(180deg)}
      .rail-collapse-icon{transition:transform .18s ease}
      #layer-btns > .side-panel{
        position:fixed;left:auto;
        right:14px;
        top:calc(76px + env(safe-area-inset-top));bottom:auto;
        width:min(340px,calc(100vw - 28px));
        max-height:calc(100dvh - 88px - env(safe-area-inset-top));
        overflow:auto;border-radius:14px
      }
      #search-panel{width:auto}
      #elev-panel:not(.minimized),
      #plan-panel.visible{
        left:14px;right:14px;bottom:14px;
        margin-right:0;border-radius:14px
      }
      /* landscape iPhone: activity card at the standard 14px inset (the earlier
         "shifted" look came from a desktop short-height rule leaking in — now
         gated to hover:hover) */
      #elev-panel.beta-activity-profile:not(.minimized){height:190px}
      #plan-panel.visible{height:190px}
      #plan-panel.editing-route{height:190px}
      #elev-panel.beta-activity-profile #elev-btns{
        top:8px;left:auto;right:10px;max-width:calc(100% - 142px)
      }
      #plan-panel.visible + #plan-meta-stack{
        bottom:calc(218px + env(safe-area-inset-bottom))
      }
      #plan-panel.editing-route + #plan-meta-stack{
        bottom:calc(218px + env(safe-area-inset-bottom))
      }
    }
    /* tiny landscape (iPhone mini etc.): shrink the card to ~70% so it doesn't
       eat half the short screen */
    @media (orientation:landscape) and (max-height:400px) and (hover:none) and (pointer:coarse){
      #elev-panel.beta-activity-profile:not(.minimized),
      #plan-panel.visible,
      #plan-panel.editing-route{height:133px}
    }
    @media (orientation:portrait) and (max-width:490px){
      #elev-panel.beta-activity-profile:not(.minimized){overflow:visible}
      #elev-panel.beta-activity-profile #elev-stats{
        top:-40px;left:10px
      }
      #elev-panel.beta-activity-profile #elev-btns{
        top:8px;left:10px;right:10px;max-width:none;justify-content:flex-end
      }
      #elev-panel.beta-activity-profile .elev-rename-input{top:8px}
    }
