<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
    <title>3D Weather Clock</title>
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@200;300;400;500;700&display=swap" rel="stylesheet">
    <style>
        /* ── Atmospheric Design System ── */
        :root {
            --panel-bg: rgba(10, 12, 18, 0.45);
            --panel-border: rgba(255, 255, 255, 0.08);
            --text-primary: rgba(255, 255, 255, 0.92);
            --text-secondary: rgba(255, 255, 255, 0.55);
            --accent-warm: #E8A838;
            --accent-cool: #5AACB8;
            --accent: 232, 168, 56;
            --glow: rgba(232, 168, 56, 0.4);
            --transition-base: cubic-bezier(0.16, 1, 0.3, 1);
            --header-color: #88d8f9;
            --trend-glow: transparent;
        }

        body {
            margin: 0;
            padding: 0;
            overflow: hidden;
            font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #050608;
        }

        #canvas-container {
            width: 100vw;
            height: 100vh;
            position: absolute;
            top: 0;
            left: 0;
            z-index: 1;
        }

        /* ── Top Bar ── */
        #top-bar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 56px;
            backdrop-filter: blur(20px);
            background: linear-gradient(to bottom, rgba(0,0,0,0.4), transparent);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            box-sizing: border-box;
            z-index: 10;
            pointer-events: auto;
            color: var(--text-primary);
        }

        .top-bar-left, .top-bar-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        #top-bar .location-display {
            font-size: 13px;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 3px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        #top-bar .search-container {
            display: flex;
            align-items: center;
            gap: 6px;
            height: 32px;
            width: 0;
            overflow: hidden;
            transition: width 0.4s var(--transition-base);
        }

        #top-bar .search-container.expanded {
            width: 200px;
        }

        #top-bar .search-input {
            background: rgba(0,0,0,0.4);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: 16px;
            padding: 0 14px;
            color: white;
            outline: none;
            width: 140px;
            font-family: inherit;
            font-size: 13px;
            height: 28px;
            transition: width 0.3s var(--transition-base), border-color 0.2s;
        }

        #top-bar .search-input:focus {
            width: 200px;
            border-color: rgba(255,255,255,0.4);
        }

        #top-bar .search-btn {
            background: rgba(255,255,255,0.12);
            border: none;
            border-radius: 16px;
            padding: 0 10px;
            color: white;
            cursor: pointer;
            font-weight: 600;
            font-size: 12px;
            height: 28px;
            width: 28px;
            transition: background 0.2s;
            font-family: inherit;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        #top-bar .search-btn:hover { background: rgba(255,255,255,0.22); }

        /* Mode toggle inside top bar */
        #top-bar .mode-toggle-btn {
            position: static;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid rgba(255,255,255,0.2);
            background: rgba(255,255,255,0.08);
            backdrop-filter: blur(10px);
            color: white;
            font-size: 18px;
            cursor: pointer;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
            pointer-events: auto;
            flex-shrink: 0;
        }

        #top-bar .mode-toggle-btn:hover {
            transform: scale(1.1);
            background: rgba(255,255,255,0.15);
            border-color: rgba(255,255,255,0.4);
        }

        #top-bar .mode-toggle-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none;
        }

        /* ── Unit Segmented Control ── */
        .unit-segmented {
            display: inline-flex;
            height: 32px;
            border-radius: 16px;
            background: rgba(255,255,255,0.1);
            overflow: hidden;
            align-items: center;
            flex-shrink: 0;
        }

        .unit-segmented .segment {
            padding: 0 12px;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: none;
            cursor: pointer;
            height: 100%;
            font-family: inherit;
            transition: background 0.2s, color 0.2s;
        }

        .unit-segmented[data-unit='metric'] .segment[data-segment='celsius'],
        .unit-segmented[data-unit='metric'] .segment[data-segment='kmh'],
        .unit-segmented[data-unit='imperial'] .segment[data-segment='fahrenheit'],
        .unit-segmented[data-unit='imperial'] .segment[data-segment='mph'] {
            background: rgba(var(--accent), 0.2);
            color: white;
        }

        /* ── Center Overlay ── */
        #center-overlay {
            position: absolute;
            left: 50%;
            top: 12vh;
            transform: translateX(-50%);
            z-index: 5;
            pointer-events: none;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            transition: opacity 0.5s ease, transform 0.5s var(--transition-base);
        }

        body.drawers-open #center-overlay {
            opacity: 0.6;
            transform: translateX(-50%) scale(0.98);
        }

        #center-overlay > * {
            pointer-events: auto;
        }

        #center-overlay .time-display {
            font-size: 48px;
            font-weight: 300;
            letter-spacing: 0;
            color: var(--text-primary);
            line-height: 1;
            text-shadow: 0 0 40px var(--glow), 0 2px 4px rgba(0,0,0,0.5);
        }

        #center-overlay #date-display {
            font-size: 13px;
            font-weight: 400;
            letter-spacing: 1px;
            opacity: 0.7;
            margin-top: 4px;
            color: var(--text-secondary);
        }

        #center-overlay #current-temp {
            font-size: 40px;
            font-weight: 500;
            line-height: 1;
            margin: 6px 0;
            color: var(--text-primary);
        }

        #center-overlay #current-description {
            font-size: 18px;
            font-weight: 400;
            opacity: 0.85;
            margin-top: 4px;
            color: var(--text-secondary);
        }

        /* ── Timeline Scrubber ── */
        #timeline-scrubber {
            position: fixed;
            bottom: 60px;
            left: 10%;
            width: 80%;
            height: 40px;
            z-index: 7;
            display: flex;
            align-items: center;
            gap: 12px;
            pointer-events: none;
        }

        #timeline-scrubber > * {
            pointer-events: auto;
        }

        .scrubber-btn {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1px solid rgba(255,255,255,0.2);
            background: rgba(255,255,255,0.08);
            color: white;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all 0.2s;
            padding: 0;
        }

        .scrubber-btn:hover {
            background: rgba(255,255,255,0.15);
            transform: scale(1.1);
        }

        .scrubber-btn svg {
            width: 14px;
            height: 14px;
            stroke: currentColor;
            fill: none;
            stroke-width: 1.5;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .scrubber-main {
            flex: 1;
            position: relative;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
        }

        .scrubber-chips {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .scrubber-chip {
            font-size: 11px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(0,0,0,0.3);
            padding: 2px 8px;
            border-radius: 8px;
            backdrop-filter: blur(4px);
            font-family: inherit;
            letter-spacing: 0.5px;
        }

        .speed-chip {
            font-size: 11px;
            font-weight: 600;
            color: rgb(var(--accent));
            background: rgba(var(--accent), 0.1);
            border: 1px solid rgba(var(--accent), 0.3);
            padding: 2px 8px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s;
            font-family: inherit;
        }

        .speed-chip:hover {
            background: rgba(var(--accent), 0.2);
        }

        .scrubber-track {
            position: relative;
            width: 100%;
            height: 2px;
            background: rgba(255,255,255,0.15);
            border-radius: 1px;
            cursor: pointer;
        }

        .scrubber-playhead {
            position: absolute;
            top: 50%;
            left: 0%;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgb(var(--accent));
            box-shadow: 0 0 10px rgb(var(--accent));
            transform: translate(-50%, -50%);
            cursor: grab;
            transition: transform 0.15s ease, box-shadow 0.2s;
        }

        .scrubber-playhead:active {
            cursor: grabbing;
            transform: translate(-50%, -50%) scale(1.3);
            box-shadow: 0 0 16px rgb(var(--accent));
        }

        /* Time warping state */
        body.time-warping .time-display {
            color: #ffcc88;
            text-shadow: 0 0 20px rgba(255, 170, 68, 0.5), 0 0 40px rgba(255, 100, 100, 0.2);
        }

        /* ── Edge Drawers ── */
        #panel-left, #panel-right {
            position: fixed;
            top: 56px;
            height: calc(100vh - 56px);
            width: 280px;
            background: rgba(8, 10, 14, 0.6);
            backdrop-filter: blur(16px);
            transition: transform 0.4s var(--transition-base);
            z-index: 8;
            pointer-events: auto;
            display: flex;
            flex-direction: column;
            border: none;
            border-radius: 0;
            box-shadow: none;
            padding: 0;
            margin: 0;
            overflow: hidden;
        }

        #panel-left {
            left: 0;
            transform: translateX(-276px);
        }

        #panel-right {
            right: 0;
            transform: translateX(276px);
        }

        #panel-left:hover, #panel-left.expanded {
            transform: translateX(0);
        }

        #panel-right:hover, #panel-right.expanded {
            transform: translateX(0);
        }

        .drawer-content {
            padding: 20px;
            overflow-y: auto;
            flex: 1;
        }

        .drawer-handle {
            position: absolute;
            top: 0;
            width: 32px;
            height: 100%;
            background: rgba(255,255,255,0.08);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 8px;
            transition: background 0.2s;
            padding: 12px 0;
            box-sizing: border-box;
        }

        .drawer-handle:hover {
            background: rgba(255,255,255,0.15);
        }

        .drawer-handle svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
        }

        .drawer-handle-label {
            font-size: 9px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: rgba(255,255,255,0.6);
            text-align: center;
            writing-mode: vertical-rl;
            text-orientation: mixed;
            white-space: nowrap;
            transition: color 0.2s;
        }

        .drawer-handle:hover .drawer-handle-label {
            color: rgba(255,255,255,0.9);
        }

        #panel-left .drawer-handle {
            right: 0;
            border-right: 1px solid rgba(255,255,255,0.06);
        }

        #panel-right .drawer-handle {
            left: 0;
            border-left: 1px solid rgba(255,255,255,0.06);
        }

        /* ── Icon SVGs ── */
        .icon-svg {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            stroke: currentColor;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        /* ── Bottom Mini Bar ── */
        #bottom-mini-bar {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 5;
            display: flex;
            gap: 24px;
            align-items: center;
            background: rgba(0, 0, 0, 0.35);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: 24px;
            padding: 10px 24px;
            font-size: 13px;
            color: var(--text-secondary);
            pointer-events: auto;
            white-space: nowrap;
        }

        #bottom-mini-bar .cs-item {
            display: flex;
            gap: 6px;
            align-items: center;
        }

        #bottom-mini-bar svg {
            width: 16px;
            height: 16px;
            stroke-width: 1.5;
            color: currentColor;
            flex-shrink: 0;
            stroke-linecap: round;
            stroke-linejoin: round;
            fill: none;
        }

        .day-progress-arc {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .day-progress-arc svg {
            width: 40px;
            height: 20px;
            flex-shrink: 0;
        }

        .day-arc-track {
            stroke: rgba(255,255,255,0.2);
            fill: none;
            stroke-width: 1.5;
            stroke-linecap: round;
        }

        .day-arc-active {
            stroke: rgb(var(--accent));
            fill: none;
            stroke-width: 1.5;
            stroke-linecap: round;
        }

        .day-arc-dot {
            fill: white;
        }

        .uv-badge {
            background: rgba(255, 200, 50, 0.15);
            border: 1px solid rgba(255, 200, 50, 0.3);
            border-radius: 8px;
            padding: 1px 7px;
            font-size: 11px;
            color: #ffd060;
            font-weight: 600;
        }

        /* ── Advanced Drawer ── */
        #panel-advanced {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 28px;
            background: rgba(8, 10, 14, 0.7);
            backdrop-filter: blur(20px);
            z-index: 7;
            transition: height 0.5s var(--transition-base);
            overflow: hidden;
            pointer-events: auto;
            border-top: 1px solid var(--panel-border);
            display: flex;
            flex-direction: column;
        }

        #panel-advanced.expanded {
            height: 200px;
        }

        .drawer-handle-grip {
            width: 100%;
            height: 28px;
            background: rgba(8, 10, 14, 0.7);
            cursor: ns-resize;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            padding: 0 24px;
            box-sizing: border-box;
            transition: background 0.2s;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }

        .drawer-handle-grip:hover {
            background: rgba(8, 10, 14, 0.9);
        }

        .drawer-handle-grip::before {
            content: '';
            width: 24px;
            height: 4px;
            border-radius: 2px;
            background: rgba(255,255,255,0.2);
            transition: background 0.2s;
        }

        .drawer-handle-grip:hover::before {
            background: rgba(255,255,255,0.4);
        }

        .drawer-handle-grip-label {
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: rgba(255,255,255,0.5);
            text-transform: uppercase;
            white-space: nowrap;
            transition: color 0.2s;
        }

        .drawer-handle-grip:hover .drawer-handle-grip-label {
            color: rgba(255,255,255,0.8);
        }

        .drawer-tabs {
            display: flex;
            gap: 24px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            padding: 12px 24px;
            flex-shrink: 0;
        }

        .tab-btn {
            background: transparent;
            border: none;
            border-bottom: 2px solid transparent;
            color: var(--text-secondary);
            font-family: inherit;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: color 0.2s, border-color 0.2s;
            padding: 0 0 8px 0;
        }

        .tab-btn:hover {
            color: var(--text-primary);
        }

        .tab-btn.active {
            color: rgb(var(--accent));
            border-bottom-color: rgb(var(--accent));
        }

        .tab-panels {
            position: relative;
            flex: 1;
            overflow: hidden;
        }

        .tab-content {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            padding: 20px;
            box-sizing: border-box;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
            overflow-y: auto;
        }

        .tab-content.active {
            opacity: 1;
            visibility: visible;
        }

        /* ── Panel base styles ── */
        .panel {
            background: var(--panel-bg);
            backdrop-filter: blur(10px);
            border-radius: 12px;
            padding: 20px;
            color: var(--text-primary);
            pointer-events: auto;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--panel-border);
            box-shadow: 0 0 30px var(--trend-glow);
            transition: background 0.8s ease, border-color 0.8s ease, box-shadow 0.6s ease, transform 0.3s ease;
        }

        .panel:hover {
            transform: translateY(-2px);
            border-color: rgba(255,255,255,0.15);
        }

        .panel h3 {
            font-size: 11px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: rgb(var(--accent));
            padding-bottom: 8px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            margin: 0 0 16px 0;
            transition: color 0.8s ease;
        }

        .stat-row {
            display: flex;
            justify-content: space-between;
            margin-bottom: 12px;
            font-size: 14px;
        }

        .panel .stat-row {
            opacity: 0;
            transform: translateY(4px);
            animation: staggerIn 0.4s var(--transition-base) forwards;
        }

        .panel .stat-row:nth-child(1) { animation-delay: 0.05s; }
        .panel .stat-row:nth-child(2) { animation-delay: 0.10s; }
        .panel .stat-row:nth-child(3) { animation-delay: 0.15s; }
        .panel .stat-row:nth-child(4) { animation-delay: 0.20s; }
        .panel .stat-row:nth-child(5) { animation-delay: 0.25s; }
        .panel .stat-row:nth-child(6) { animation-delay: 0.30s; }

        .stat-label {
            color: var(--text-secondary);
            font-weight: 400;
        }

        .stat-value {
            color: var(--text-primary);
            font-weight: 600;
            font-variant-numeric: tabular-nums;
            transition: color 0.3s ease;
        }

        .stat-value.value-updating {
            filter: blur(2px);
            opacity: 0.7;
        }

        .description {
            font-size: 16px;
            margin-bottom: 14px;
            font-weight: 500;
            min-height: 24px;
            color: var(--text-primary);
        }

        .adv-section { text-align: center; }
        .adv-val-big { font-size: 24px; font-weight: bold; color: #fff; margin: 5px 0; }
        .adv-sub { font-size: 13px; opacity: 0.8; color: var(--text-secondary); }
        .regional-list {
            font-size: 13px;
            text-align: left;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 5px 15px;
        }

        /* ── Retry button ── */
        .retry-btn {
            background: rgba(255,255,255,0.2);
            border: none;
            border-radius: 50%;
            width: 24px;
            height: 24px;
            cursor: pointer;
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: background 0.2s;
            flex-shrink: 0;
        }
        .retry-btn:hover { background: rgba(255,255,255,0.4); }

        /* ── Sparkline & Pressure Gauge ── */
        #sparkline {
            display: block;
            margin: 4px auto 0;
            width: 100%;
            max-width: 280px;
            height: 60px;
            opacity: 0.85;
        }

        #pressure-gauge {
            display: block;
            margin: 10px auto 0;
            width: 140px;
            height: 140px;
            opacity: 0.9;
        }

        /* ── Toasts ── */
        #toast-container {
            position: fixed;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            z-index: 100;
            pointer-events: none;
        }

        .toast {
            background: rgba(30, 30, 40, 0.92);
            border-radius: 10px;
            padding: 10px 20px;
            font-size: 14px;
            color: #fff;
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.3s ease, transform 0.3s ease;
            max-width: 360px;
            text-align: center;
        }

        .toast.toast-visible {
            opacity: 1;
            transform: translateY(0);
        }

        .toast-error { border-color: rgba(255, 80, 80, 0.5); }
        .toast-success { border-color: rgba(80, 255, 120, 0.5); }
        .toast-info { border-color: rgba(80, 180, 255, 0.5); }

        /* ── Timeline UI Container ── */
        #timeline-ui-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 50;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.5s ease, visibility 0.5s ease;
        }

        #timeline-ui-container.visible {
            opacity: 1;
            visibility: visible;
        }

        /* Clock UI elements transition */
        .panel {
            transition: opacity 0.5s ease, background 0.8s ease, border-color 0.8s ease, box-shadow 0.6s ease;
        }

        .panel.hidden {
            opacity: 0;
            pointer-events: none;
        }

        /* ── DEV hint ── */
        #dev-hint {
            position: fixed;
            bottom: 8px;
            right: 8px;
            font-size: 10px;
            color: rgba(255,255,255,0.25);
            pointer-events: none;
            z-index: 10;
            font-family: monospace;
        }

        /* ── Responsive ── */

        /* Tablet */
        @media (max-width: 1024px) {
            #top-bar {
                padding: 0 16px;
            }

            #center-overlay {
                bottom: 30vh;
            }

            #center-overlay .time-display {
                font-size: 40px;
            }

            #center-overlay #current-temp {
                font-size: 32px;
            }

            /* Unit segmented: show only active segments */
            .unit-segmented .segment {
                padding: 0;
                width: 0;
                opacity: 0;
                overflow: hidden;
                pointer-events: none;
            }

            .unit-segmented[data-unit='metric'] .segment[data-segment='celsius'],
            .unit-segmented[data-unit='metric'] .segment[data-segment='kmh'],
            .unit-segmented[data-unit='imperial'] .segment[data-segment='fahrenheit'],
            .unit-segmented[data-unit='imperial'] .segment[data-segment='mph'] {
                padding: 0 12px;
                width: auto;
                opacity: 1;
                pointer-events: auto;
            }

            /* Drawers as bottom sheets */
            #panel-left, #panel-right {
                top: auto;
                bottom: 0;
                left: 0;
                right: 0;
                width: 100%;
                height: 50vh;
                transform: translateY(calc(50vh - 8px));
                border-radius: 12px 12px 0 0;
            }

            #panel-left {
                transform: translateY(calc(50vh - 8px));
            }

            #panel-right {
                transform: translateY(calc(50vh - 8px));
            }

            #panel-left:hover, #panel-right:hover {
                transform: translateY(calc(50vh - 8px));
            }

            #panel-left.expanded, #panel-right.expanded,
            #panel-left.expanded:hover, #panel-right.expanded:hover {
                transform: translateY(0);
            }

            .drawer-handle {
                position: relative;
                top: auto;
                left: auto;
                right: auto;
                width: 100%;
                height: auto;
                margin: 0;
                background: rgba(255,255,255,0.08);
                border-radius: 0;
                flex-direction: row;
                gap: 12px;
                padding: 8px 24px;
                border: none;
            }

            .drawer-handle svg {
                display: block;
                width: 14px;
                height: 14px;
            }

            .drawer-handle-label {
                writing-mode: horizontal-tb;
                text-orientation: auto;
                font-size: 11px;
            }

            #panel-left .drawer-handle,
            #panel-right .drawer-handle {
                border-right: none;
                border-left: none;
            }

            .drawer-content {
                padding: 12px 20px 20px;
            }
        }

        /* Mobile */
        @media (max-width: 768px) {
            #top-bar {
                top: 16px;
                left: 50%;
                transform: translateX(-50%);
                width: auto;
                min-width: 280px;
                max-width: 90vw;
                height: 48px;
                border-radius: 28px;
                padding: 0 20px;
                background: rgba(0,0,0,0.5);
                border-bottom: none;
                overflow: hidden;
            }

            #center-overlay {
                top: 10vh;
            }

            #center-overlay .time-display {
                font-size: 36px;
            }

            #bottom-mini-bar {
                bottom: 24px;
                padding: 8px 16px;
                gap: 16px;
                font-size: 12px;
            }

            #timeline-scrubber {
                bottom: 64px;
                left: 5%;
                width: 90%;
            }

            /* Advanced drawer */
            #panel-advanced {
                height: 6px;
            }

            #panel-advanced.expanded {
                height: 180px;
            }

            /* Drawers */
            #panel-left, #panel-right {
                height: 45vh;
                transform: translateY(calc(45vh - 8px));
            }

            #panel-left:hover, #panel-right:hover {
                transform: translateY(calc(45vh - 8px));
            }

            #panel-left.expanded, #panel-right.expanded,
            #panel-left.expanded:hover, #panel-right.expanded:hover {
                transform: translateY(0);
            }

            /* Backdrop-filter reduction for performance */
            #top-bar { backdrop-filter: blur(16px); }
            #panel-left, #panel-right { backdrop-filter: blur(12px); }
            #bottom-mini-bar { backdrop-filter: blur(8px); }
            #panel-advanced { backdrop-filter: blur(16px); }
            .toast { backdrop-filter: blur(4px); }
            .scrubber-chip { backdrop-filter: none; }

            #dev-hint {
                display: none;
            }
        }

        /* ── Animations ── */
        @keyframes staggerIn {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes crossfadeOverlay {
            0% { opacity: 1; }
            50% { opacity: 0.3; }
            100% { opacity: 1; }
        }

        #center-overlay.mode-crossfade {
            animation: crossfadeOverlay 0.6s ease forwards;
        }
    </style>
    <script type="importmap">
        {
            "imports": {
                "three": "/node_modules/three/build/three.module.js",
                "three/addons/": "/node_modules/three/examples/jsm/",
                "suncalc": "/src/vendor/suncalc.js"
            }
        }
    </script>
  <script type="module" crossorigin src="./assets/index-6TtXpgSa.js"></script>
</head>
<body>
    <div id="canvas-container"></div>

    <!-- Top Bar -->
    <div id="top-bar">
        <div class="top-bar-left">
            <div class="location-display">
                <span id="location">Detecting Location...</span>
                <button id="retry-location" class="retry-btn" title="Retry Location">
                    <svg class="icon-svg" viewBox="0 0 16 16" width="16" height="16" aria-hidden="true">
                        <path d="M2,8 A6,6 0 1,0 8,2" stroke="currentColor" fill="none" stroke-width="1.5" stroke-linecap="round"/>
                        <polyline points="2,4 2,8 6,8" stroke="currentColor" fill="none" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
                    </svg>
                </button>
            </div>
            <div class="search-container">
                <input type="text" id="location-search" class="search-input" placeholder="City name…" />
            </div>
            <button id="search-btn" class="search-btn">
                <svg class="icon-svg" viewBox="0 0 16 16" width="16" height="16" aria-hidden="true">
                    <circle cx="7" cy="7" r="5" stroke="currentColor" fill="none" stroke-width="1.5"/>
                    <line x1="11" y1="11" x2="14" y2="14" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"/>
                </svg>
            </button>
        </div>
        <div class="top-bar-right">
            <button id="mode-toggle" class="mode-toggle-btn" title="Switch to Timeline View (T)">
                <svg class="icon-svg" viewBox="0 0 16 16" width="16" height="16" aria-hidden="true">
                    <circle cx="8" cy="8" r="7" stroke="currentColor" fill="none" stroke-width="1.5"/>
                    <line x1="8" y1="8" x2="8" y2="4" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"/>
                    <line x1="8" y1="8" x2="11" y2="10" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"/>
                </svg>
            </button>
            <div id="unit-toggle" class="unit-segmented" data-unit="metric" role="button" tabindex="0" aria-label="Toggle temperature unit">
                <button class="segment" data-segment="celsius">°C</button>
                <button class="segment" data-segment="fahrenheit">°F</button>
                <button class="segment" data-segment="kmh">km/h</button>
                <button class="segment" data-segment="mph">mph</button>
            </div>
        </div>
    </div>

    <!-- Center Overlay -->
    <div id="center-overlay">
        <div id="time-display" class="time-display">--:--</div>
        <div id="date-display">--</div>
        <div id="current-temp">--°</div>
        <div id="current-description">Loading...</div>
    </div>

    <!-- Left Drawer -->
    <div id="panel-left" class="panel drawer">
        <div class="drawer-handle">
            <svg class="icon-svg" viewBox="0 0 16 16" width="16" height="16" aria-hidden="true">
                <polyline points="6,3 11,8 6,13" stroke="currentColor" fill="none" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
            </svg>
            <span class="drawer-handle-label">PREVIOUS</span>
        </div>
        <div class="drawer-content">
            <h3>Previous <span id="past-time-display" style="font-size:0.8em;opacity:0.8;"></span></h3>
            <div id="past-description" class="description">--</div>
            <div class="stat-row">
                <span class="stat-label">Temp</span>
                <span id="past-temp" class="stat-value">--°</span>
            </div>
            <div class="stat-row">
                <span class="stat-label">Feels Like</span>
                <span id="past-feels-like" class="stat-value">--°</span>
            </div>
            <div class="stat-row">
                <span class="stat-label">Wind</span>
                <span id="past-wind" class="stat-value">-- km/h</span>
            </div>
            <div class="stat-row">
                <span class="stat-label">Humidity</span>
                <span id="past-humidity" class="stat-value">--%</span>
            </div>
            <div class="stat-row">
                <span class="stat-label">Cloud Cover</span>
                <span id="past-cloud" class="stat-value">--%</span>
            </div>
            <div class="stat-row">
                <span class="stat-label">Precip. Prob.</span>
                <span id="past-precip-prob" class="stat-value">--%</span>
            </div>
            <canvas id="sparkline" width="280" height="60"></canvas>
        </div>
    </div>

    <!-- Right Drawer -->
    <div id="panel-right" class="panel drawer">
        <div class="drawer-handle">
            <svg class="icon-svg" viewBox="0 0 16 16" width="16" height="16" aria-hidden="true">
                <polyline points="10,3 5,8 10,13" stroke="currentColor" fill="none" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
            </svg>
            <span class="drawer-handle-label">FORECAST</span>
        </div>
        <div class="drawer-content">
            <h3>Forecast <span id="forecast-time-display" style="font-size:0.8em;opacity:0.8;"></span></h3>
            <div id="forecast-description" class="description">--</div>
            <div class="stat-row">
                <span class="stat-label">Temp</span>
                <span id="forecast-temp" class="stat-value">--°</span>
            </div>
            <div class="stat-row">
                <span class="stat-label">Feels Like</span>
                <span id="forecast-feels-like" class="stat-value">--°</span>
            </div>
            <div class="stat-row">
                <span class="stat-label">Wind</span>
                <span id="forecast-wind" class="stat-value">-- km/h</span>
            </div>
            <div class="stat-row">
                <span class="stat-label">Humidity</span>
                <span id="forecast-humidity" class="stat-value">--%</span>
            </div>
            <div class="stat-row">
                <span class="stat-label">Cloud Cover</span>
                <span id="forecast-cloud" class="stat-value">--%</span>
            </div>
            <div class="stat-row">
                <span class="stat-label">Precip. Prob.</span>
                <span id="forecast-precip-prob" class="stat-value">--%</span>
            </div>
            <canvas id="pressure-gauge" width="140" height="140"></canvas>
        </div>
    </div>

    <!-- Bottom Mini Bar -->
    <div id="bottom-mini-bar" class="center-stats">
        <span class="cs-item">
            <svg id="wind-compass" class="icon-svg" viewBox="0 0 16 16" width="16" height="16" aria-hidden="true">
                <circle cx="8" cy="8" r="7" stroke="currentColor" fill="none" stroke-width="1.5"/>
                <g id="wind-arrow" style="transform-origin:8px 8px;transform:rotate(0deg);transition:transform 0.5s ease;">
                    <path d="M8,2 L5,10 L8,8 L11,10 Z" stroke="currentColor" fill="none" stroke-width="1.5" stroke-linejoin="round"/>
                </g>
            </svg>
            <span id="current-wind" class="stat-value">--</span> km/h
        </span>
        <span class="cs-item">
            <svg class="icon-svg" viewBox="0 0 16 16" width="16" height="16" aria-hidden="true">
                <path d="M8,2 C8,2 4,7 4,10 A4,4 0 0,0 12,10 C12,7 8,2 8,2Z" stroke="currentColor" fill="none" stroke-width="1.5" stroke-linejoin="round"/>
            </svg>
            <span id="current-humidity" class="stat-value">--%</span>
        </span>
        <span class="cs-item">
            <svg class="icon-svg" viewBox="0 0 16 16" width="16" height="16" aria-hidden="true">
                <path d="M10,2 A6,6 0 1,1 6,14 A5,5 0 1,0 10,2Z" stroke="currentColor" fill="none" stroke-width="1.5" stroke-linejoin="round"/>
            </svg>
            <span id="moon-phase" class="stat-value">--</span>
        </span>
        <span class="cs-item day-progress-arc">
            <svg width="40" height="20" viewBox="0 0 40 20" aria-hidden="true">
                <path class="day-arc-track" d="M 2,20 A 18,18 0 0,1 38,20" stroke-width="1.5"/>
                <path class="day-arc-active" d="M 2,20 A 18,18 0 0,1 38,20" stroke-width="1.5" stroke-dasharray="28.27 56.55"/>
                <circle class="day-arc-dot" cx="20" cy="2" r="2"/>
            </svg>
            <span id="sunrise-time" class="stat-value">--:--</span> – <span id="sunset-time" class="stat-value">--:--</span>
        </span>
        <span id="current-uv" class="uv-badge">UV --</span>
    </div>

    <!-- Advanced Drawer -->
    <div id="panel-advanced" class="advanced-drawer">
        <div class="drawer-handle-grip">
            <span class="drawer-handle-grip-label">History • Accuracy • Nearby</span>
        </div>
        <div class="drawer-tabs">
            <button class="tab-btn active" data-tab="history">History</button>
            <button class="tab-btn" data-tab="accuracy">Accuracy</button>
            <button class="tab-btn" data-tab="nearby">Nearby</button>
        </div>
        <div class="tab-panels">
            <div class="tab-content active" id="tab-history">
                <div class="adv-section">
                    <h3>1 Year Ago</h3>
                    <div id="history-temp" class="adv-val-big">--°</div>
                    <div id="history-desc" class="adv-sub">--</div>
                </div>
            </div>
            <div class="tab-content" id="tab-accuracy">
                <div class="adv-section">
                    <h3>Forecast Accuracy</h3>
                    <div id="accuracy-delta" class="adv-val-big">--</div>
                    <div id="accuracy-score" class="adv-sub">Score: --%</div>
                </div>
            </div>
            <div class="tab-content" id="tab-nearby">
                <div class="adv-section">
                    <h3>Nearby Regions</h3>
                    <div id="regional-list" class="regional-list"></div>
                </div>
            </div>
        </div>
    </div>

    <!-- Timeline Scrubber -->
    <div id="timeline-scrubber">
        <button id="scrubber-play-btn" class="scrubber-btn" title="Play/Pause (W)">
            <svg id="scrubber-play-icon" viewBox="0 0 16 16" aria-hidden="true">
                <polygon points="5,3 13,8 5,13" stroke="currentColor" fill="none" stroke-width="1.5" stroke-linejoin="round"/>
            </svg>
        </button>
        <div class="scrubber-main">
            <div class="scrubber-chips">
                <span class="scrubber-chip" id="scrubber-time-chip">--:--</span>
                <button class="speed-chip" id="scrubber-speed-chip" data-speed="60">60×</button>
            </div>
            <div class="scrubber-track" id="scrubber-track">
                <div class="scrubber-playhead" id="scrubber-playhead"></div>
            </div>
        </div>
    </div>

    <!-- Timeline UI Container (hidden by default) -->
    <div id="timeline-ui-container"></div>
    
    <!-- DEV hint -->
    <div id="dev-hint">` — toggle stats</div>
    <div id="toast-container"></div>


    <script>
        // Minimal delegation for mode-toggle since ModeController skips attaching when element already exists
        document.addEventListener('click', function (e) {
            if (e.target.closest('#mode-toggle') && window.modeController) {
                window.modeController.toggleMode();
            }
        });

        // Tab switching for advanced drawer
        document.querySelectorAll('#panel-advanced .tab-btn').forEach(function (btn) {
            btn.addEventListener('click', function () {
                var tab = btn.dataset.tab;
                document.querySelectorAll('#panel-advanced .tab-btn').forEach(function (b) { b.classList.remove('active'); });
                document.querySelectorAll('#panel-advanced .tab-content').forEach(function (c) { c.classList.remove('active'); });
                btn.classList.add('active');
                document.getElementById('tab-' + tab).classList.add('active');
            });
        });

        // Expand/collapse advanced drawer via drag handle click
        var advDrawer = document.getElementById('panel-advanced');
        var dragHandle = advDrawer.querySelector('.drawer-handle-grip');
        if (dragHandle) {
            dragHandle.addEventListener('click', function () {
                advDrawer.classList.toggle('expanded');
            });
        }

        // Drawer interaction listeners
        document.getElementById('panel-left')?.addEventListener('click', function (e) {
            if (e.target.closest('.drawer-handle')) {
                this.classList.toggle('expanded');
            }
        });

        document.getElementById('panel-right')?.addEventListener('click', function (e) {
            if (e.target.closest('.drawer-handle')) {
                this.classList.toggle('expanded');
            }
        });

        // DOM Binding Validator
        window.DOMBindingValidator = {
            validate: function () {
                var results = {
                    elements: {},
                    issues: []
                };
                var requiredElements = ['panel-left', 'panel-right', 'panel-advanced', 'center-overlay', 'timeline-scrubber', 'canvas-container', 'top-bar'];
                requiredElements.forEach(function (id) {
                    var el = document.getElementById(id);
                    results.elements[id] = !!el;
                    if (!el) results.issues.push('Missing element: #' + id);
                });
                console.log('DOM Binding Validation:', results);
                return results;
            }
        };

        // Z-Index Manager
        window.ZIndexManager = {
            verify: function () {
                var elements = {
                    'canvas-container': document.getElementById('canvas-container'),
                    'center-overlay': document.getElementById('center-overlay'),
                    'bottom-mini-bar': document.getElementById('bottom-mini-bar'),
                    'panel-advanced': document.getElementById('panel-advanced'),
                    'panel-left': document.getElementById('panel-left'),
                    'panel-right': document.getElementById('panel-right'),
                    'timeline-scrubber': document.getElementById('timeline-scrubber'),
                    'top-bar': document.getElementById('top-bar')
                };
                var zIndices = {};
                for (var key in elements) {
                    if (elements[key]) {
                        zIndices[key] = window.getComputedStyle(elements[key]).zIndex || 'auto';
                    }
                }
                console.log('Z-Index Stacking:', zIndices);
                return zIndices;
            }
        };

        // Debug API
        window.aetherDebug = {
            getLocation: function () {
                if (window.weatherService) {
                    return {
                        latitude: window.weatherService.latitude,
                        longitude: window.weatherService.longitude,
                        location: window.weatherService.location
                    };
                }
                return null;
            },
            toggleDrawer: function (side) {
                var panel = document.getElementById('panel-' + side);
                if (panel) {
                    panel.classList.toggle('expanded');
                }
            },
            validateAll: function () {
                console.log('=== Aether Clock Debug Report ===');
                DOMBindingValidator.validate();
                ZIndexManager.verify();
                console.log('Location:', this.getLocation());
            }
        };
    </script>
    <span id="current-feels-like" style="display:none;">--</span>
</body>
</html>