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

:root {
    --bg: #f4f6f9;
    --surface: #ffffff;
    --surface-muted: #f8fafc;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-muted: #64748b;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --danger: #dc2626;
    --success-bg: #dcfce7;
    --success-text: #166534;
    --error-bg: #fee2e2;
    --error-text: #991b1b;
    --shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg);
}

.auth-card {
    background: var(--surface);
    padding: 2rem;
    border-radius: 12px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.auth-card h1 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
    color: var(--text);
}

.subtitle {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.auth-card label {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.auth-card input {
    width: 100%;
    padding: 0.6rem 0.75rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    color: var(--text);
    font-size: 1rem;
}

.auth-card input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.auth-card button {
    width: 100%;
    padding: 0.75rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
}

.auth-card button:hover {
    background: var(--primary-hover);
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.alert-error {
    background: var(--error-bg);
    color: var(--error-text);
    border: 1px solid #fecaca;
}

.alert-success {
    background: var(--success-bg);
    color: var(--success-text);
    border: 1px solid #bbf7d0;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    gap: 1rem;
    flex-wrap: wrap;
    box-shadow: var(--shadow);
}

.topbar-brand h1 {
    font-size: 1.25rem;
    display: inline;
    color: var(--text);
}

.topbar-brand h1 a {
    color: inherit;
    text-decoration: none;
}

.topbar-nav {
    display: flex;
    gap: 0.25rem;
    flex: 1;
    justify-content: center;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.9rem;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: #eff6ff;
}

.cliente-badge {
    margin-left: 0.75rem;
    background: #eff6ff;
    color: var(--primary);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
    border: 1px solid #bfdbfe;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.btn-logout {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

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

.messages {
    padding: 0.75rem 1.5rem 0;
    max-width: 1200px;
    margin: 0 auto;
}

.page-content {
    padding: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.page-header-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.page-header h2 {
    font-size: 1.35rem;
    color: var(--text);
}

.back-link {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

.back-link:hover {
    color: var(--primary);
}

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
}

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

.btn-secondary:hover {
    background: var(--surface-muted);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.data-table th,
.data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background: var(--surface-muted);
}

.data-table th {
    background: var(--surface-muted);
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.data-table a {
    color: var(--primary);
    text-decoration: none;
}

.data-table a:hover {
    text-decoration: underline;
}

.data-table .actions a {
    margin-right: 0.75rem;
}

.data-table .actions a.danger {
    color: var(--danger);
}

.card {
    background: var(--surface);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.card h3 {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.detail-list {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.5rem 1.5rem;
}

.detail-list dt {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.form-card {
    background: var(--surface);
    border-radius: 8px;
    padding: 1.5rem;
    max-width: 560px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    color: var(--text);
    font-size: 1rem;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

select.form-input {
    cursor: pointer;
}

.form-checkbox {
    width: auto;
    accent-color: var(--primary);
}

.field-error {
    display: block;
    color: var(--danger);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.search-bar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    max-width: 520px;
}

.empty-state,
.muted {
    color: var(--text-muted);
}

.pagination {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.pagination a {
    color: var(--primary);
    text-decoration: none;
}

.danger-zone {
    border-color: #fecaca;
    max-width: 560px;
}

.danger-zone-title {
    color: var(--danger);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.confirm-block {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 6px;
    background: #fffbeb;
    border: 1px solid #fde68a;
}

.confirm-block-title {
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: #92400e;
}

.field-hint {
    display: block;
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

code {
    font-family: ui-monospace, monospace;
    font-size: 0.9em;
    background: var(--surface-muted);
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
}

.status {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.status.polling {
    color: #b45309;
}

.layout {
    display: flex;
    height: calc(100vh - 53px);
}

.sidebar {
    width: 320px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    overflow-y: auto;
    padding: 1rem;
}

.sidebar h2 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--text-muted);
}

.fleet-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.fleet-item {
    padding: 0.75rem;
    background: var(--surface-muted);
    border-radius: 8px;
    cursor: pointer;
    border: 1px solid var(--border);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.fleet-item:hover,
.fleet-item.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.fleet-item .patente {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text);
}

.fleet-item .meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.fleet-item .badge {
    display: inline-block;
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    font-size: 0.7rem;
    margin-top: 0.35rem;
}

.badge-on {
    background: var(--success-bg);
    color: var(--success-text);
}

.badge-off {
    background: #f1f5f9;
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.map-container {
    flex: 1;
    background: #e2e8f0;
}

#map {
    width: 100%;
    height: 100%;
}

.loading {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.leaflet-popup-content {
    font-family: inherit;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text);
}