:root {
    --bg-color: #0b0f19;
    --card-bg: rgba(20, 26, 45, 0.6);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    --success: #10b981;
    --success-gradient: linear-gradient(135deg, #10b981 0%, #047857 100%);
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.5;
    padding: 0;
    margin: 0;
    background-image: radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 40%),
                      radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.05) 0%, transparent 40%);
    background-attachment: fixed;
}

/* Header & Navigation */
header {
    background: rgba(15, 22, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6 0%, #10b981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

nav a:hover, nav a.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

/* Main Layout */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Page title */
.page-title-section {
    margin-bottom: 2rem;
}
.page-title-section h1 {
    font-size: 2rem;
    font-weight: 600;
}
.page-title-section p {
    color: var(--text-secondary);
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.metric-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    border-color: rgba(59, 130, 246, 0.2);
}

.metric-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-value {
    font-size: 2.25rem;
    font-weight: 700;
    margin: 0.5rem 0;
    color: var(--text-primary);
}

.metric-change {
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.metric-change.up { color: var(--success); }
.metric-change.neutral { color: var(--text-secondary); }

/* Dashboard Cards (Charts / Lists) */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 900px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

/* Event List */
.event-list {
    list-style: none;
    max-height: 300px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.event-list::-webkit-scrollbar {
    width: 4px;
}
.event-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.event-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.event-item:last-child {
    border-bottom: none;
}

.event-icon {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent);
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
}

.event-details {
    flex-grow: 1;
    margin-left: 1rem;
}

.event-name {
    font-weight: 500;
    font-size: 0.9rem;
}

.event-time {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Forms & Filters */
.filters-bar {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-group label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.input-control {
    background: rgba(15, 22, 42, 0.6);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    padding: 0.625rem 1rem;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

.input-control:focus {
    border-color: var(--accent);
}

.btn {
    background: var(--accent-gradient);
    color: white;
    border: none;
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: opacity 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn:hover {
    opacity: 0.9;
}

/* Tables */
.table-container {
    overflow-x: auto;
    margin-top: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th, td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
}

tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Placuta de inmatriculare stilizata */
.plate-badge {
    background: #ffffff;
    color: #111827;
    border: 2px solid #374151;
    border-radius: 4px;
    padding: 0.15rem 0.5rem;
    font-weight: 700;
    font-size: 0.75rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-family: 'Outfit', monospace;
    border-left: 5px solid #1d4ed8; /* Banda albastra RO */
}