:root {
            --bg: #f5f5f5;
            --text: #333;
            --text-secondary: #666;
            --card-bg: white;
            --border: #eee;
            --input-border: #ddd;
            --input-bg: white;
            --th-bg: #f8f9fa;
            --hover-bg: #f0f7ff;
            --accent: #046604;
            --accent-hover: #035003;
            --shadow: rgba(0,0,0,0.1);
        }

        [data-theme="dark"] {
            --bg: #000000;
            --text: #e0e0e0;
            --text-secondary: #a0a0a0;
            --card-bg: #111111;
            --border: #222222;
            --input-border: #333333;
            --input-bg: #111111;
            --th-bg: #151515;
            --hover-bg: #1a1a1a;
            --accent: #068a06;
            --accent-hover: #046604;
            --shadow: rgba(0,0,0,0.5);
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: var(--bg);
            color: var(--text);
            min-height: 100vh;
            padding: 20px;
            padding-top: max(20px, env(safe-area-inset-top));
            padding-left: max(20px, env(safe-area-inset-left));
            padding-right: max(20px, env(safe-area-inset-right));
            padding-bottom: max(20px, env(safe-area-inset-bottom));
            transition: background 0.3s, color 0.3s;
        }

        .container { max-width: 1200px; margin: 0 auto; }

        .header-row {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 20px;
        }

        h1 { text-align: center; color: var(--text); font-size: 1.8rem; }

        .nav-links {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-links a {
            color: var(--accent);
            text-decoration: none;
            font-size: 0.9rem;
            padding: 6px 12px;
            border: 1px solid var(--border);
            border-radius: 6px;
            transition: background 0.2s;
        }

        .nav-links a:hover { background: var(--hover-bg); }

        .theme-toggle {
            background: var(--card-bg);
            border: 2px solid var(--border);
            border-radius: 8px;
            padding: 8px 12px;
            cursor: pointer;
            font-size: 1.2rem;
            line-height: 1;
            transition: background 0.2s, border-color 0.2s;
        }

        .theme-toggle:hover { border-color: var(--accent); }

        .toolbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 10px;
            flex-wrap: wrap;
            gap: 10px;
        }

        .toolbar .info {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .refresh-btn {
            padding: 8px 16px;
            background: var(--accent);
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 0.9rem;
            transition: background 0.2s;
        }

        .refresh-btn:hover { background: var(--accent-hover); }
        .refresh-btn:disabled { background: #999; cursor: not-allowed; }

        /* Filter bar */
        .filter-bar {
            display: flex;
            gap: 10px;
            margin-bottom: 15px;
            flex-wrap: wrap;
        }

        .filter-bar input,
        .filter-bar select {
            padding: 8px 12px;
            border: 1px solid var(--input-border);
            border-radius: 6px;
            background: var(--input-bg);
            color: var(--text);
            font-size: 0.85rem;
            outline: none;
            transition: border-color 0.2s;
        }

        .filter-bar input:focus-visible,
        .filter-bar select:focus-visible {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(4, 102, 4, 0.2);
        }

        .filter-bar input[type="text"] {
            flex: 1;
            min-width: 180px;
        }

        .filter-bar input[type="date"] {
            width: 150px;
        }

        .filter-bar select {
            min-width: 130px;
        }

        .clear-filters {
            padding: 8px 12px;
            background: none;
            border: 1px solid var(--input-border);
            border-radius: 6px;
            color: var(--text-secondary);
            cursor: pointer;
            font-size: 0.85rem;
            transition: border-color 0.2s, color 0.2s;
        }

        .clear-filters:hover {
            border-color: var(--accent);
            color: var(--text);
        }

        .card {
            background: var(--card-bg);
            border-radius: 12px;
            box-shadow: 0 2px 8px var(--shadow);
            padding: 20px;
            overflow-x: auto;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }

        th, td {
            padding: 10px 12px;
            text-align: left;
            border-bottom: 1px solid var(--border);
            white-space: nowrap;
        }

        th {
            background: var(--th-bg);
            font-weight: 600;
            color: var(--text);
            position: sticky;
            top: 0;
            cursor: pointer;
            user-select: none;
        }

        th:hover { color: var(--accent); }
        th.active-sort { color: var(--accent); }

        tbody tr:hover { background: var(--hover-bg); }

        .ticket-num { font-weight: 600; color: var(--accent); }
        .driver-name { font-weight: 500; }

        /* Photo column */
        .photo-cell {
            white-space: normal;
            min-width: 80px;
        }

        .photo-thumb {
            width: 50px;
            height: 50px;
            object-fit: cover;
            border-radius: 4px;
            cursor: pointer;
            border: 1px solid var(--border);
            transition: transform 0.15s, box-shadow 0.15s;
            margin-right: 4px;
            vertical-align: middle;
        }

        .photo-thumb:hover {
            transform: scale(1.1);
            box-shadow: 0 2px 8px var(--shadow);
        }

        .photo-badge {
            display: inline-block;
            font-size: 0.75rem;
            font-family: inherit;
            color: var(--text-secondary);
            background: none;
            cursor: pointer;
            padding: 2px 6px;
            border: 1px solid var(--border);
            border-radius: 4px;
        }

        .photo-badge:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .no-photo {
            color: var(--text-secondary);
            font-size: 0.8rem;
        }

        /* Lightbox */
        .lightbox {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.9);
            z-index: 1000;
            justify-content: center;
            align-items: center;
            cursor: pointer;
        }

        .lightbox.visible {
            display: flex;
        }

        .lightbox-content {
            position: relative;
            max-width: 90vw;
            max-height: 90vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

        .lightbox-img {
            max-width: 90vw;
            max-height: 85vh;
            object-fit: contain;
            border-radius: 4px;
        }

        .lightbox-close {
            position: absolute;
            top: -40px;
            right: -10px;
            background: none;
            border: none;
            color: white;
            font-size: 2rem;
            cursor: pointer;
            line-height: 1;
            padding: 5px 10px;
        }

        .lightbox-nav {
            display: flex;
            gap: 15px;
            align-items: center;
        }

        .lightbox-nav button {
            background: rgba(255,255,255,0.15);
            border: none;
            color: white;
            font-size: 1.5rem;
            padding: 8px 16px;
            border-radius: 6px;
            cursor: pointer;
        }

        .lightbox-nav button:hover {
            background: rgba(255,255,255,0.25);
        }

        .lightbox-counter {
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
        }

        .loading {
            text-align: center;
            padding: 40px;
            color: var(--text-secondary);
        }

        .loading::after {
            content: '';
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 2px solid var(--input-border);
            border-top-color: var(--accent);
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
            margin-left: 10px;
            vertical-align: middle;
        }

        @keyframes spin { to { transform: rotate(360deg); } }

        .error-msg {
            background: #fff3f3;
            border: 1px solid #dc3545;
            color: #dc3545;
            padding: 15px;
            border-radius: 8px;
            display: none;
        }

        .error-msg.visible { display: block; }

        /* Login screen */
        .screen { display: none; }
        .screen.active { display: block; }

        #loginScreen {
            max-width: 360px;
            margin: 80px auto;
            text-align: center;
        }

        #loginScreen h1 { margin-bottom: 24px; }

        #loginScreen .form-group {
            margin-bottom: 12px;
        }

        #loginScreen input {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--input-border);
            border-radius: 6px;
            background: var(--input-bg);
            color: var(--text);
            font-size: 0.95rem;
            outline: none;
        }

        #loginScreen input:focus-visible { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(4, 102, 4, 0.2); }

        #loginScreen button[type="submit"] {
            width: 100%;
            padding: 10px;
            background: var(--accent);
            color: white;
            border: none;
            border-radius: 6px;
            font-size: 0.95rem;
            cursor: pointer;
            margin-top: 4px;
        }

        #loginScreen button[type="submit"]:hover { background: var(--accent-hover); }

        #loginError {
            color: #dc3545;
            margin-top: 10px;
            font-size: 0.85rem;
        }

        .btn-logout {
            padding: 6px 14px;
            background: none;
            border: 1px solid var(--border);
            border-radius: 6px;
            color: var(--text-secondary);
            cursor: pointer;
            font-size: 0.85rem;
        }

        .btn-logout:hover { border-color: var(--accent); color: var(--text); }

        .user-info {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .empty-state {
            text-align: center;
            padding: 40px;
            color: var(--text-secondary);
        }

        .filter-count {
            color: var(--text-secondary);
            font-size: 0.85rem;
            margin-bottom: 10px;
        }

        /* Mobile cards for tracker */
        .tracker-cards { display: none; }

        .tracker-card {
            background: var(--card-bg);
            border-radius: 10px;
            box-shadow: 0 1px 4px var(--shadow);
            padding: 12px;
            margin-bottom: 8px;
            border-left: 3px solid var(--border);
        }
        .tracker-card.src-app { border-left-color: var(--accent); }
        .tracker-card.src-email { border-left-color: #6c757d; }
        .tracker-card.src-email_sync { border-left-color: #17a2b8; }

        .tracker-card-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 6px;
            gap: 8px;
        }
        .tracker-card-ticket {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .tracker-card-time {
            font-size: 0.75rem;
            color: var(--text-secondary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .tracker-card-body {
            display: grid;
            grid-template-columns: 3fr 2fr;
            gap: 4px 12px;
            font-size: 0.82rem;
        }
        .tracker-card-field {
            display: flex;
            flex-direction: column;
            min-width: 0;
        }
        .tracker-card-label {
            font-size: 0.68rem;
            text-transform: uppercase;
            color: var(--text-secondary);
            letter-spacing: 0.3px;
        }
        .tracker-card-value {
            color: var(--text);
            word-wrap: break-word;
            overflow-wrap: break-word;
        }
        .tracker-card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 8px;
            padding-top: 8px;
            border-top: 1px solid var(--border);
        }
        .tracker-card-photos {
            display: flex;
            gap: 4px;
            align-items: center;
        }
        .tracker-card-photos img {
            width: 36px; height: 36px;
            border-radius: 4px;
            object-fit: cover;
            cursor: pointer;
        }

        @media (max-width: 600px) {
            body {
                padding: 10px;
                padding-top: max(10px, env(safe-area-inset-top));
                padding-left: max(10px, env(safe-area-inset-left));
                padding-right: max(10px, env(safe-area-inset-right));
                padding-bottom: max(10px, env(safe-area-inset-bottom));
            }
            h1 { font-size: 1.3rem; }
            .header-row { flex-direction: column; gap: 8px; }
            .hamburger-btn { display: block !important; }
            .nav-links { display: none; flex-direction: column; gap: 4px; width: 100%; }
            .nav-links a { text-align: center; padding: 8px; }
            .toolbar { flex-direction: column; align-items: stretch; }
            .refresh-btn { width: 100%; padding: 12px; }
            .filter-bar { flex-direction: column; }
            .filter-bar input[type="text"] { min-width: unset; }
            .filter-bar input[type="date"] { width: 100%; }
            .filter-bar select { min-width: unset; width: 100%; }
            .card { padding: 10px; border-radius: 8px; }
            th, td { padding: 6px 6px; }
            table { font-size: 0.75rem; }
            .photo-thumb { width: 36px; height: 36px; }

            #resultsCard { display: none !important; }
            .tracker-cards { display: block !important; }
        }