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

:root {
    --bg: #1a1a2e;
    --surface: #16213e;
    --surface2: #0f3460;
    --primary: #00bc8c;
    --danger: #e74c3c;
    --warning: #f39c12;
    --text: #e0e0e0;
    --text2: #a0a0a0;
    --border: #2a2a4a;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

.nav {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    padding: 0 1rem;
    height: 50px;
    gap: 1.5rem;
}

.nav-brand {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.nav-logo {
    height: 28px;
    width: auto;
    display: block;
}

.nav-links { display: flex; gap: 1rem; }

.nav-links a {
    color: var(--text2);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.nav-links a:hover { color: var(--primary); }
.nav-logout { color: var(--danger) !important; }

.login-box {
    max-width: 360px;
    margin: 6rem auto;
    text-align: center;
}
.login-box h1 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 2rem;
}
.login-box input {
    width: 100%;
    padding: 0.75rem;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 1rem;
    margin-bottom: 1rem;
}
.login-box button {
    width: 100%;
    padding: 0.75rem;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
}
.login-box button:hover { opacity: 0.9; }
.login-logo {
    height: 140px;
    width: auto;
    margin-bottom: 1rem;
}

.container {
    max-width: 1200px;
    margin: 1.5rem auto;
    padding: 0 1rem;
}

h1 { font-size: 1.5rem; margin-bottom: 1.5rem; }
h2 { font-size: 1.2rem; margin: 1.5rem 0 1rem; }

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1rem;
}

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

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    transition: border-color 0.2s;
}

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

.car-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.car-card-body h2 { font-size: 1.1rem; margin: 0 0 0.75rem; }

.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; margin-bottom: 0.75rem; }

.stat-label { display: block; font-size: 0.75rem; color: var(--text2); }
.stat-value { font-size: 1rem; font-weight: 600; }

.tag {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
}

.tag-info { background: var(--surface2); color: var(--primary); }
.tag-warn { background: rgba(243,156,18,0.2); color: var(--warning); }

.alerts { margin-top: 0.5rem; }
.alert {
    font-size: 0.72rem;
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    margin-bottom: 0.15rem;
    line-height: 1.3;
}
.alert-yellow { background: rgba(243,156,18,0.15); color: var(--warning); }
.alert-red { background: rgba(231,76,60,0.15); color: var(--danger); }
.alert-ok { color: var(--primary); font-size: 0.8rem; }

.form { max-width: 500px; }
.form label, .form-inline label {
    display: block;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    color: var(--text2);
}

.form input, .form select, .form-inline input, .form-inline select {
    display: block;
    width: 100%;
    padding: 0.5rem;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    font-size: 0.95rem;
    margin-top: 0.25rem;
}

.form-inline { display: flex; gap: 0.75rem; align-items: flex-end; flex-wrap: wrap; }
.form-inline label { margin-bottom: 0; }

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input { width: auto; margin: 0; }

.btn, button.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
}

.btn:hover { opacity: 0.9; }
.btn-secondary { background: var(--surface2); }
.btn-danger { background: var(--danger); }
.btn-sm {
    padding: 0.2rem 0.5rem;
    font-size: 0.8rem;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    background: var(--surface2);
    color: var(--text);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.table th, .table td {
    text-align: left;
    padding: 0.4rem 0.5rem;
    border-bottom: 1px solid var(--border);
}

.table th { color: var(--text2); font-weight: 600; }
.table tbody tr:hover { background: rgba(255,255,255,0.03); }

.total-row td { border-top: 2px solid var(--primary); padding-top: 0.75rem; }

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

.flash-ok { background: rgba(0,188,140,0.15); color: var(--primary); border: 1px solid var(--primary); }
.flash-error { background: rgba(231,76,60,0.15); color: var(--danger); border: 1px solid var(--danger); }

.car-header { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 1.5rem; }
.car-header h1 { margin: 0; }
.car-header p { color: var(--text2); font-size: 0.9rem; }

.stats-bar { display: flex; gap: 2rem; margin-bottom: 1.5rem; }

.card-actions { display: flex; gap: 0.5rem; margin-top: 0.75rem; }
.card-actions form { display: inline; }

.plate {
    display: inline-flex;
    align-items: stretch;
    border-radius: 4px;
    overflow: hidden;
    font-family: 'Courier New', monospace;
    font-weight: 700;
    font-size: 1rem;
    height: 2.5rem;
}

.plate-es { border: 2px solid #222; }
.plate-pt { border: 2px solid #888; }

.plate-svg {
    height: 100%;
    width: auto;
    display: block;
}

.plate-es .plate-text {
    background: #fff;
    color: #222;
    padding: 0 0.6rem;
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    letter-spacing: 0.12em;
}

.plate-pt .plate-text {
    background: #111;
    color: #fff;
    padding: 0 0.6rem;
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    letter-spacing: 0.12em;
}

.car-photo {
    width: 100px;
    height: 75px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--border);
}

.car-thumb {
    width: 60px;
    height: 40px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--border);
}

.renewal-alerts { margin-bottom: 1rem; }

.factura-thumb {
    width: 50px;
    height: 35px;
    object-fit: cover;
    border-radius: 3px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: opacity 0.2s;
}
.factura-thumb:hover { opacity: 0.7; }

@media (max-width: 768px) {
    .nav-inner { gap: 0.5rem; }
    .nav-links {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        gap: 0.75rem;
        padding-bottom: 4px;
    }
    .nav-links a { font-size: 0.8rem; flex-shrink: 0; }
    .nav-brand { font-size: 1rem; flex-shrink: 0; }
    .nav-logo { height: 24px; }

    .container { padding: 0 0.5rem; margin: 0.75rem auto; }

    .card-grid { grid-template-columns: 1fr; }
    .card { padding: 0.75rem; }

    .form { max-width: 100%; }
    .form input, .form select { font-size: 16px; }

    .table { font-size: 0.75rem; display: block; overflow-x: auto; white-space: nowrap; }
    .table th, .table td { padding: 0.3rem 0.4rem; }

    .stats-bar { flex-wrap: wrap; gap: 0.75rem; }

    .car-header { flex-wrap: wrap; gap: 0.75rem; }
    .car-photo { width: 80px; height: 60px; }

    .login-box { margin: 3rem auto; padding: 0 1rem; }
    .login-logo { height: 100px; }

    h1 { font-size: 1.2rem; }
    h2 { font-size: 1rem; }

    .stats { grid-template-columns: 1fr 1fr; gap: 0.3rem; }

    .form-inline { flex-direction: column; align-items: stretch; }
}