:root {
    --bg: #f5f6f8;
    --bg-card: #ffffff;
    --bg-nav: #1f2d3d;
    --text: #1f2328;
    --text-muted: #6b7280;
    --border: #e5e7eb;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --success: #16a34a;
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --radius: 10px;
}

[data-theme="dark"] {
    --bg: #14181f;
    --bg-card: #1c222c;
    --bg-nav: #10141a;
    --text: #e5e7eb;
    --text-muted: #9aa4b2;
    --border: #2a323e;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --danger: #f87171;
    --danger-hover: #fca5a5;
    --success: #4ade80;
    --shadow: 0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.3);
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    background: var(--bg);
    color: var(--text);
    transition: background 0.15s ease, color 0.15s ease;
}

/* ---------- Navigation ---------- */

.topnav {
    background: var(--bg-nav);
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 4px;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 20;
    box-shadow: var(--shadow);
}

.topnav-brand {
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    margin-right: 12px;
    white-space: nowrap;
}

.topnav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.topnav a {
    color: #cfd8e3;
    text-decoration: none;
    font-size: 14px;
    padding: 8px 12px;
    border-radius: 6px;
    transition: background 0.15s ease, color 0.15s ease;
}

.topnav a:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
}

.topnav a.aktiv {
    background: var(--accent);
    color: #fff;
}

.topnav-spacer { flex: 1; }

.topnav-user {
    color: #8fa1b3;
    font-size: 13px;
    margin-right: 8px;
    white-space: nowrap;
}

.icon-btn {
    background: transparent;
    border: none;
    color: #cfd8e3;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
}

.icon-btn:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
}

.burger-btn { display: none; }

/* ---------- Layout ---------- */

.container {
    max-width: 1100px;
    margin: 28px auto;
    padding: 0 20px 40px;
}

h1 { font-size: 22px; font-weight: 700; margin: 0 0 4px; }
h2 { font-size: 17px; font-weight: 600; margin-top: 32px; color: var(--text); }
.subtitle { color: var(--text-muted); font-size: 14px; margin: 0 0 20px; }

/* ---------- Cards / Tables ---------- */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 24px;
}

.table-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin: 0 0 24px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    text-align: left;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

th {
    background: transparent;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

tr:last-child td { border-bottom: none; }

.badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.badge-ja, .badge-admin { background: rgba(22,163,74,0.15); color: var(--success); }
.badge-nein, .badge-user { background: rgba(107,114,128,0.15); color: var(--text-muted); }
.badge-prio { background: rgba(220,38,38,0.15); color: var(--danger); }

/* ---------- Formulare ---------- */

form { margin: 0; }

label {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 4px;
    font-weight: 500;
}

input, select {
    width: 100%;
    padding: 9px 11px;
    border: 1px solid var(--border);
    border-radius: 7px;
    font-size: 14px;
    background: var(--bg);
    color: var(--text);
    margin-bottom: 14px;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--accent);
}

button, .btn {
    padding: 9px 16px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 7px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
}

button:hover, .btn:hover { background: var(--accent-hover); }

.btn-danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }

.aktionen { display: flex; gap: 6px; flex-wrap: wrap; }
.aktionen form { display: inline; }

.meldung-erfolg {
    background: rgba(22,163,74,0.12);
    color: var(--success);
    border: 1px solid rgba(22,163,74,0.3);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 18px;
}

.meldung-fehler {
    background: rgba(220,38,38,0.12);
    color: var(--danger);
    border: 1px solid rgba(220,38,38,0.3);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 18px;
}

/* ---------- Login ---------- */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-box {
    width: 100%;
    max-width: 360px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.login-box h1 { text-align: center; margin-bottom: 24px; }

.login-theme-toggle {
    position: fixed;
    top: 16px;
    right: 16px;
}

/* ---------- Mobil ---------- */

@media (max-width: 720px) {
    .topnav-links {
        display: none;
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        background: var(--bg-nav);
        flex-direction: column;
        align-items: stretch;
        padding: 8px;
        box-shadow: var(--shadow);
    }

    .topnav-links.offen { display: flex; }
    .topnav-links a { padding: 12px; }

    .topnav-brand { flex: 1; }
    .burger-btn { display: flex; }

    .container { padding: 0 14px 32px; margin: 16px auto; }

    /* Tabellen -> Karten */
    .table-wrap table, .table-wrap thead, .table-wrap tbody, .table-wrap th, .table-wrap td, .table-wrap tr {
        display: block;
    }

    .table-wrap thead { display: none; }

    .table-wrap tr {
        border-bottom: 1px solid var(--border);
        padding: 12px 14px;
    }

    .table-wrap tr:last-child { border-bottom: none; }

    .table-wrap td {
        border-bottom: none;
        padding: 4px 0;
        display: flex;
        justify-content: space-between;
        gap: 12px;
        text-align: right;
    }

    .table-wrap td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-muted);
        text-align: left;
    }

    .table-wrap td.aktionen-zelle {
        justify-content: flex-start;
    }

    .table-wrap td.aktionen-zelle::before { content: none; }
}

.map-pin {
    text-decoration: none;
    font-size: 14px;
    margin-left: 4px;
}

.live-counter {
    color: var(--text-muted);
    font-size: 12px;
}

.badge-archiv {
    background: rgba(107,114,128,0.2);
    color: var(--text-muted);
}

.adresse-link {
    color: inherit;
    text-decoration: none;
}

.adresse-link:hover {
    text-decoration: underline;
}

.status-0 { background: rgba(220,38,38,0.15); color: var(--danger); }
.status-1, .status-2 { background: rgba(22,163,74,0.15); color: var(--success); }
.status-3, .status-4, .status-7 { background: rgba(217,119,6,0.15); color: #d97706; }
.status-5, .status-8 { background: rgba(37,99,235,0.15); color: var(--accent); }
.status-6, .status-9, .status-unbekannt { background: rgba(107,114,128,0.2); color: var(--text-muted); }

.fahrzeug-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
    margin: 16px 0 28px;
}

.fahrzeug-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px;
    text-decoration: none;
    color: var(--text);
    display: block;
    position: relative;
}

.fahrzeug-card:hover { border-color: var(--accent); }
.fahrzeug-card h3 { margin: 0 0 6px; font-size: 16px; }
.fahrzeug-card .fahrzeug-shortname { color: var(--text-muted); font-size: 13px; margin-bottom: 10px; }

.fahrzeug-alarm-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--danger);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 999px;
}

.stat-kacheln {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 14px;
    margin: 16px 0 28px;
}

.stat-kachel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    text-align: center;
}

.stat-kachel-zahl { font-size: 32px; font-weight: 700; color: var(--accent); }
.stat-kachel-label { color: var(--text-muted); font-size: 13px; margin-top: 4px; }

.stat-grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 0 20px;
}

@media (max-width: 720px) {
    .stat-grid-2 { grid-template-columns: 1fr; }
}