/* GBE Fleet Management - fleet.gbe-sa.tech */
:root {
    --gbe-blue: #0042CC;
    --gbe-blue-light: #1a5cff;
    --gbe-blue-dark: #003399;
    --gbe-yellow: #FFCF00;
    --gbe-yellow-light: #FFE066;
    --white: #FFFFFF;
    --bg: #F5F7FA;
    --card-bg: #FFFFFF;
    --text: #1A1A2E;
    --text-secondary: #6B7280;
    --border: #E5E7EB;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --transition: all 0.2s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header */
.header {
    background: var(--gbe-blue);
    color: white;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,66,204,0.3);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-mark {
    width: 40px;
    height: 40px;
    background: var(--gbe-yellow);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 14px;
    color: var(--gbe-blue-dark);
    letter-spacing: -0.5px;
}

.header h1 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.header h1 span {
    color: var(--gbe-yellow);
    font-weight: 400;
    margin-left: 8px;
    font-size: 14px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.15);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.btn-profile {
    background: rgba(255,255,255,0.15);
    border: none;
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}
.btn-profile:hover { background: rgba(255,255,255,0.25); }

/* Main Layout */
.main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

/* Stats Bar */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-1px); }

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}
.stat-icon.blue { background: #EBF5FF; color: var(--gbe-blue); }
.stat-icon.green { background: #ECFDF5; color: var(--success); }
.stat-icon.yellow { background: #FFFBEB; color: var(--warning); }
.stat-icon.red { background: #FEF2F2; color: var(--danger); }

.stat-info h3 { font-size: 24px; font-weight: 700; line-height: 1.2; }
.stat-info p { font-size: 13px; color: var(--text-secondary); }

/* Navigation Tabs */
.nav-tabs {
    display: flex;
    gap: 4px;
    background: var(--card-bg);
    padding: 6px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.nav-tab {
    padding: 10px 18px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}
.nav-tab:hover { background: var(--bg); color: var(--text); }
.nav-tab.active {
    background: var(--gbe-blue);
    color: white;
}
.nav-tab .tab-icon { font-size: 16px; }

/* Module Panels */
.module-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}
.module-panel.active { display: block; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h2 {
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-body { padding: 24px; }

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select {
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    background: white;
}
.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--gbe-blue);
    box-shadow: 0 0 0 3px rgba(0,66,204,0.1);
}

/* Plate Input */
.plate-input-group {
    display: flex;
    gap: 8px;
    align-items: end;
}

.plate-input-group .form-group { flex: 1; }

.plate-visual {
    background: white;
    border: 2px solid var(--gbe-blue);
    border-radius: 8px;
    padding: 12px 20px;
    text-align: center;
    min-width: 180px;
    margin-top: 6px;
}
.plate-visual .plate-letters {
    font-size: 20px;
    font-weight: 700;
    color: var(--gbe-blue);
    letter-spacing: 4px;
}
.plate-visual .plate-numbers {
    font-size: 24px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: 2px;
}
.plate-visual .plate-label {
    font-size: 10px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gbe-blue);
    color: white;
}
.btn-primary:hover { background: var(--gbe-blue-light); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #059669; }

.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #DC2626; }

.btn-warning { background: var(--warning); color: white; }
.btn-warning:hover { background: #D97706; }

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--text);
}
.btn-outline:hover { border-color: var(--gbe-blue); color: var(--gbe-blue); }

.btn-group {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    flex-wrap: wrap;
}

/* Results Table */
.result-table {
    width: 100%;
    border-collapse: collapse;
}
.result-table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}
.result-table td {
    padding: 12px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
}
.result-table tr:hover td { background: #F9FAFB; }

/* Result Display */
.result-box {
    background: var(--bg);
    border-radius: 8px;
    padding: 20px;
    margin-top: 16px;
    display: none;
}
.result-box.visible { display: block; }

.result-box.error {
    background: #FEF2F2;
    border: 1px solid #FECACA;
    color: var(--danger);
}

.result-box.success {
    background: #ECFDF5;
    border: 1px solid #A7F3D0;
}

.vehicle-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.info-item {
    padding: 12px;
    background: white;
    border-radius: 8px;
    border: 1px solid var(--border);
}
.info-item .label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}
.info-item .value {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
}

/* Badge */
.badge {
    display: inline-flex;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}
.badge-success { background: #ECFDF5; color: #065F46; }
.badge-warning { background: #FFFBEB; color: #92400E; }
.badge-danger { background: #FEF2F2; color: #991B1B; }
.badge-info { background: #EBF5FF; color: #1E40AF; }

/* Loading */
.loading-spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
.loading-spinner.active { display: inline-block; }

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    z-index: 200;
    justify-content: center;
    align-items: center;
}
.loading-overlay.active { display: flex; }

.loading-card {
    background: white;
    padding: 32px 48px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow-lg);
}
.loading-card .spinner-lg {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--gbe-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 12px;
}

/* Toast */
.toast-container {
    position: fixed;
    top: 80px;
    right: 24px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: white;
    padding: 14px 20px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    animation: slideIn 0.3s ease;
    min-width: 300px;
    border-left: 4px solid var(--info);
}
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-secondary);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; opacity: 0.5; }
.empty-state h3 { font-size: 18px; color: var(--text); margin-bottom: 8px; }

/* Steps Indicator */
.steps {
    display: flex;
    gap: 0;
    margin-bottom: 24px;
    overflow-x: auto;
}

.step {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 13px;
    color: var(--text-secondary);
    position: relative;
    white-space: nowrap;
}
.step::after {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--border);
    margin-left: 8px;
}
.step:last-child::after { display: none; }

.step .step-num {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--border);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}
.step.active .step-num {
    background: var(--gbe-blue);
    color: white;
}
.step.active { color: var(--gbe-blue); font-weight: 500; }
.step.done .step-num {
    background: var(--success);
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .header-inner { padding: 12px 16px; }
    .header h1 { font-size: 16px; }
    .header h1 span { display: none; }
    .main { padding: 16px; }
    .stats-bar { grid-template-columns: repeat(2, 1fr); }
    .form-grid { grid-template-columns: 1fr; }
    .nav-tabs { gap: 2px; padding: 4px; }
    .nav-tab { padding: 8px 12px; font-size: 12px; }
    .plate-input-group { flex-direction: column; }
}

@media (max-width: 480px) {
    .stats-bar { grid-template-columns: 1fr; }
    .btn-group { flex-direction: column; }
    .btn-group .btn { width: 100%; justify-content: center; }
}