:root {
    --bg: #f4f6f8;
    --card: #ffffff;
    --border: #dde2e7;
    --text: #1f2937;
    --muted: #6b7280;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --danger: #dc2626;
    --danger-dark: #b91c1c;
}

* { box-sizing: border-box; }

.hidden { display: none !important; }

body {
    margin: 0;
    font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    background: var(--card);
    border-bottom: 1px solid var(--border);
}

.topbar h1 { font-size: 18px; margin: 0; line-height: 0; }

.brand-link { display: inline-flex; align-items: center; color: inherit; text-decoration: none; line-height: normal; font-size: 18px; font-weight: 700; }
.brand-logo { max-height: 36px; max-width: 160px; display: block; }

.topbar nav { display: flex; align-items: center; gap: 16px; font-size: 14px; flex-wrap: wrap; }
.topbar nav a { color: var(--primary); text-decoration: none; }
.topbar nav a:hover { text-decoration: underline; }
.topbar nav a.active { font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.topbar .user { color: var(--muted); }

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 20px;
    line-height: 1;
    padding: 6px 10px;
    cursor: pointer;
}

.container { max-width: 1200px; margin: 24px auto; padding: 0 24px; }

.toolbar {
    display: flex;
    gap: 12px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.toolbar #searchInput {
    flex: 1;
    min-width: 220px;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
}

.toolbar select {
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    background: var(--card);
}

.result-info { color: var(--muted); font-size: 13px; margin-bottom: 8px; }

.btn {
    display: inline-block;
    padding: 9px 16px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--card);
    cursor: pointer;
    font-size: 14px;
    color: var(--text);
    text-decoration: none;
    line-height: 1.2;
}
.btn:hover { background: #f0f2f4; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-dark); }
.btn-small { padding: 5px 10px; font-size: 12px; }

.table-wrap {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow-x: auto;
}

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { background: #f9fafb; font-weight: 600; cursor: default; user-select: none; }
th[data-sort] { cursor: pointer; }
th[data-sort]:hover { background: #f0f2f4; }
th .sort-arrow { color: var(--primary); margin-left: 4px; }
tbody tr:hover { background: #f9fafb; }

.loading, .empty { text-align: center; color: var(--muted); padding: 24px !important; }

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 12px;
    background: #e5e7eb;
    color: #374151;
}
.badge-available { background: #dcfce7; color: #166534; }
.badge-terminated { background: #fee2e2; color: #991b1b; }
.badge-ontrip { background: #ffedd5; color: #9a3412; }
.badge-outside, .badge-storage { background: #fef3c7; color: #92400e; }
.badge-breakdown { background: #fee2e2; color: #991b1b; }
.badge-damage { background: #ffedd5; color: #9a3412; }
.badge-other { background: #e5e7eb; color: #374151; }
.badge-open { background: #fee2e2; color: #991b1b; }
.badge-resolved { background: #dcfce7; color: #166534; }
.photo-thumb { max-width: 60px; max-height: 60px; border-radius: 6px; display: block; }

.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.row-actions button { padding: 4px 10px; font-size: 12px; }

.col-check { width: 36px; text-align: center; }
.col-check input[type="checkbox"] { width: 18px; height: 18px; cursor: pointer; }

.pagination { display: flex; gap: 8px; align-items: center; justify-content: center; margin-top: 16px; }
.pagination button { padding: 6px 12px; border: 1px solid var(--border); background: var(--card); border-radius: 6px; cursor: pointer; }
.pagination button:disabled { opacity: 0.4; cursor: default; }
.pagination .page-info { font-size: 13px; color: var(--muted); }

.modal {
    position: fixed; inset: 0;
    background: rgba(15, 23, 42, 0.5);
    display: flex; align-items: center; justify-content: center;
    z-index: 100;
}
.modal.hidden { display: none; }
.modal-content {
    background: var(--card);
    border-radius: 10px;
    padding: 24px;
    width: 100%;
    max-width: 640px;
    max-height: 90vh;
    overflow-y: auto;
}
.modal-small { max-width: 420px; }
.modal-content h2 { margin-top: 0; }

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 16px;
}
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.form-grid input, .form-grid select, .form-grid textarea {
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text);
    font-family: inherit;
}
.form-grid textarea { resize: vertical; }

.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

.alert { padding: 10px 14px; border-radius: 6px; font-size: 14px; margin-bottom: 12px; }
.alert-error { background: #fee2e2; color: #991b1b; }
.alert-success { background: #dcfce7; color: #166534; }
.alert.hidden { display: none; }

.login-body { display: flex; align-items: center; justify-content: center; height: 100vh; }
.login-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 32px;
    width: 100%;
    max-width: 360px;
}
.login-card h1 { font-size: 18px; margin-top: 0; text-align: center; }
.login-card form { display: flex; flex-direction: column; gap: 14px; }
.login-card label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.login-card input { padding: 9px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; }
.login-card button { margin-top: 6px; padding: 10px; }

.inline-form { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.inline-form input { padding: 9px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; }

.btn-large { width: 100%; padding: 16px; font-size: 16px; font-weight: 600; margin-bottom: 24px; }

.driver-container { max-width: 480px; }
.driver-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 18px;
    margin-bottom: 24px;
}
.driver-card-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px dashed var(--border);
    gap: 12px;
}
.driver-card-row:last-child { border-bottom: none; }
.driver-container h2 { font-size: 15px; margin: 20px 0 10px; }
.driver-container .form-grid { grid-template-columns: 1fr; margin-bottom: 0; }

/* ---------- Mobile ---------- */
@media (max-width: 760px) {
    .nav-toggle { display: inline-block; }

    .topbar { flex-wrap: wrap; padding: 12px 16px; }
    .topbar nav {
        display: none;
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        width: 100%;
        margin-top: 12px;
        padding-top: 12px;
        border-top: 1px solid var(--border);
    }
    .topbar nav.open { display: flex; }

    .container { padding: 0 12px; margin: 16px auto; }

    .toolbar { flex-direction: column; align-items: stretch; }
    .toolbar select, .toolbar input, .toolbar .btn, .toolbar button { width: 100%; }

    .btn, .row-actions button { padding: 10px 14px; font-size: 14px; }

    /* Table becomes a stacked card list */
    .table-wrap { border: none; background: none; overflow-x: visible; }
    .table-wrap table thead { display: none; }
    .table-wrap table, .table-wrap table tbody, .table-wrap table tr, .table-wrap table td { display: block; width: 100%; }
    .table-wrap table tr {
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: 10px;
        margin-bottom: 12px;
        padding: 10px 12px;
        position: relative;
    }
    .table-wrap table tr.loading, .table-wrap table tr.empty { border: none; background: none; }
    .table-wrap table td {
        border-bottom: 1px dashed var(--border);
        padding: 8px 0;
        white-space: normal;
        text-align: left;
    }
    .table-wrap table td:last-child { border-bottom: none; }
    .table-wrap table td[data-label]::before {
        content: attr(data-label);
        display: block;
        font-size: 11px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.4px;
        color: var(--muted);
        margin-bottom: 2px;
    }
    .table-wrap table td.col-check {
        position: absolute;
        top: 10px;
        right: 12px;
        width: auto;
        border-bottom: none;
        padding: 0;
    }
    .table-wrap table .row-actions { padding-top: 4px; }

    .modal-content { max-width: 100%; width: 100%; height: 100%; max-height: 100%; border-radius: 0; }
    .modal { padding: 0; }
    .form-grid { grid-template-columns: 1fr; }

    .pagination { flex-wrap: wrap; }
}