/* --- CSS VARIABLES & RESET --- */
        :root {
            --primary: #005a9e;
            --primary-dark: #003f70;
            --accent: #ffcc00;
            --alert: #e63946;
            --bg: #f8f9fa;
            --text: #333;
            --card-bg: #ffffff;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --radius: 12px;
        }

        * { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            margin: 0;
            padding-bottom: 80px; /* Space for bottom nav */
            line-height: 1.5;
        }

        /* --- HEADER & EMERGENCY --- */
        header {
            background: var(--primary);
            color: white;
            padding: 1rem;
            position: sticky;
            top: 0;
            z-index: 100;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: 0 2px 10px rgba(0,0,0,0.2);
        }

        .header-title h1 { margin: 0; font-size: 1.1rem; font-weight: 700; }
        .header-title p { margin: 0; font-size: 0.8rem; opacity: 0.9; }

        .sos-btn {
            background: var(--alert);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-weight: bold;
            text-decoration: none;
            font-size: 0.9rem;
            animation: pulse 2s infinite;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(230, 57, 70, 0.7); }
            70% { box-shadow: 0 0 0 10px rgba(230, 57, 70, 0); }
            100% { box-shadow: 0 0 0 0 rgba(230, 57, 70, 0); }
        }

        /* --- MAIN LAYOUT --- */
        main {
            max-width: 800px;
            margin: 0 auto;
            padding: 1rem;
        }

        section {
            display: none; /* Hidden by default for tab switching */
            animation: fadeIn 0.3s ease-in-out;
        }

        section.active { display: block; }

        @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

        /* --- CARDS & UI ELEMENTS --- */
        .card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 1.25rem;
            margin-bottom: 1rem;
            box-shadow: var(--shadow);
            border-left: 5px solid var(--primary);
        }

        h2 { color: var(--primary); margin-top: 0; font-size: 1.3rem; display: flex; align-items: center; gap: 8px; }
        
        .info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 10px;
            margin-top: 10px;
        }

        .info-box {
            background: #f0f7ff;
            padding: 1rem;
            border-radius: 8px;
            text-align: center;
        }
        .info-box strong { display: block; color: var(--primary); margin-bottom: 5px; }

        /* --- SCHEDULE TIMELINE --- */
        .timeline-item {
            position: relative;
            padding-left: 20px;
            margin-bottom: 15px;
            border-left: 2px solid #ccc;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -6px;
            top: 5px;
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
        }
        .time { font-weight: bold; color: var(--primary); font-size: 0.9rem; }
        .event { font-weight: 500; }

        /* --- ACCORDION (FAQ) --- */
        .faq-item {
            border-bottom: 1px solid #eee;
        }
        .faq-question {
            padding: 1rem 0;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-question::after { content: '+'; font-size: 1.5rem; color: var(--primary); }
        .faq-item.open .faq-question::after { content: '-'; }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            color: #555;
            padding-left: 10px;
            border-left: 3px solid #ddd;
        }

        /* --- MAP PLACEHOLDERS --- */
        .map-container {
            background: #e9ecef;
            height: 200px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            color: #666;
            font-weight: bold;
            background-image: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><text x="50%" y="50%" dominant-baseline="middle" text-anchor="middle" font-family="sans-serif" fill="%23ccc">MAP VIEW</text></svg>');
        }

        /* --- BOTTOM NAVIGATION --- */
        .bottom-nav {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: white;
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
            z-index: 999;
        }

        .nav-item {
            text-align: center;
            color: #888;
            font-size: 0.75rem;
            text-decoration: none;
            cursor: pointer;
            flex: 1;
        }

        .nav-item.active { color: var(--primary); font-weight: bold; }
        .nav-icon { display: block; font-size: 1.5rem; margin-bottom: 2px; }

        /* --- DOWNLOAD BUTTON --- */
        .download-btn {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            margin-top: 0.5rem;
            transition: background 0.2s;
        }
        .download-btn:hover {
            background: var(--primary-dark);
        }