/* Google Fonts: Inter — must be first */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ==========================================================================
   FUHRPARK SAAS — PLATTFORM CSS
   Professionelles Design für DACH-Markt Fuhrparkmanagement
   ========================================================================== */

:root {
    --sidebar-width: 240px;
    --navbar-height: 56px;
    --color-primary: #1a56db;
    --color-primary-dark: #1e40af;
    --color-primary-light: #eff6ff;
    --color-sidebar-bg: #ffffff;
    --color-sidebar-hover: #f8fafc;
    --color-sidebar-active-bg: #eff6ff;
    --color-sidebar-active: #1a56db;
    --color-sidebar-text: #475569;
    --color-sidebar-text-active: #1a56db;
    --color-success: #059669;
    --color-warning: #d97706;
    --color-danger: #dc2626;
    --color-surface: #ffffff;
    --color-surface-secondary: #f8fafc;
    --color-border: #e2e8f0;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--color-text);
    background: var(--color-surface-secondary);
    -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   NAVBAR
   ========================================================================== */

.navbar {
    height: var(--navbar-height);
    background: #ffffff !important;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
}

.navbar .badge {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    padding: 3px 8px;
}

/* ==========================================================================
   SIDEBAR
   ========================================================================== */

.sidebar {
    width: var(--sidebar-width);
    min-height: calc(100vh - var(--navbar-height));
    position: fixed;
    overflow-y: auto;
    z-index: 1040;
    background: var(--color-sidebar-bg);
    border-right: 1px solid var(--color-border);
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 transparent;
}

.main-with-sidebar {
    margin-left: var(--sidebar-width);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
    color: var(--color-sidebar-text);
    text-decoration: none;
    border-radius: var(--radius-sm);
    margin-bottom: 2px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition);
    position: relative;
}

.sidebar-link i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
    opacity: 0.7;
    transition: opacity var(--transition);
}

.sidebar-link:hover {
    background: var(--color-sidebar-hover);
    color: var(--color-text);
}

.sidebar-link:hover i {
    opacity: 1;
}

.sidebar-link.active {
    background: var(--color-sidebar-active-bg);
    color: var(--color-sidebar-text-active);
    font-weight: 600;
}

.sidebar-link.active i {
    opacity: 1;
}

.sidebar-link .badge {
    font-size: 0.7rem;
    padding: 2px 7px;
    font-weight: 600;
}

.sidebar-gruppe small {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #94a3b8;
    display: block;
    padding: 16px 14px 6px;
}

/* ==========================================================================
   CARDS
   ========================================================================== */

.card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    background: var(--color-surface);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 14px 20px;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.card-body {
    padding: 20px;
}

.card-footer {
    background: var(--color-surface-secondary);
    border-top: 1px solid var(--color-border);
    padding: 12px 20px;
}

/* KPI Cards */
.kpi-card {
    text-align: center;
    border: none;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.kpi-card .card-body {
    padding: 24px 16px;
}

.kpi-card .kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.kpi-card .kpi-value {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.kpi-card .kpi-label {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    font-weight: 500;
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.kpi-icon-blue { background: #eff6ff; color: var(--color-primary); }
.kpi-icon-green { background: #ecfdf5; color: var(--color-success); }
.kpi-icon-orange { background: #fff7ed; color: var(--color-warning); }
.kpi-icon-cyan { background: #ecfeff; color: #0891b2; }
.kpi-icon-red { background: #fef2f2; color: var(--color-danger); }

/* Module Cards */
.module-card {
    border-radius: var(--radius-md);
    transition: all var(--transition);
    cursor: pointer;
}

.module-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.module-card .module-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 12px;
}

.module-icon-active { background: #ecfdf5; color: var(--color-success); }
.module-icon-available { background: #f1f5f9; color: #64748b; }

/* ==========================================================================
   TABLES
   ========================================================================== */

.table {
    font-size: 0.875rem;
    margin-bottom: 0;
}

.table thead th {
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    border-bottom: 2px solid var(--color-border);
    padding: 12px 16px;
    white-space: nowrap;
}

.table tbody td {
    padding: 12px 16px;
    vertical-align: middle;
    border-bottom: 1px solid #f1f5f9;
}

.table-hover tbody tr:hover {
    background: #f8fafc;
}

.table tbody tr {
    transition: background var(--transition);
}

/* Clickable rows */
tr[onclick] {
    cursor: pointer;
}

tr[onclick]:hover td {
    color: var(--color-primary);
}

/* ==========================================================================
   BADGES
   ========================================================================== */

.badge {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    letter-spacing: 0.02em;
}

.bg-success { background-color: var(--color-success) !important; }
.bg-warning { background-color: var(--color-warning) !important; }
.bg-danger { background-color: var(--color-danger) !important; }

/* Ampel Dots */
.ampel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}
.ampel-rot { background: var(--color-danger); box-shadow: 0 0 6px rgba(220,38,38,0.4); }
.ampel-gelb { background: var(--color-warning); box-shadow: 0 0 6px rgba(217,119,6,0.3); }
.ampel-gruen { background: var(--color-success); }

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
    font-weight: 500;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    padding: 8px 16px;
    transition: all var(--transition);
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 1px 2px rgba(37,99,235,0.15);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    box-shadow: 0 4px 8px rgba(37,99,235,0.25);
    transform: translateY(-1px);
}

.btn-outline-success {
    border-color: var(--color-success);
    color: var(--color-success);
}

.btn-outline-success:hover {
    background: var(--color-success);
    border-color: var(--color-success);
    transform: translateY(-1px);
}

/* ==========================================================================
   FORMS
   ========================================================================== */

.form-control, .form-select {
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    padding: 10px 14px;
    font-size: 0.875rem;
    transition: all var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}

.form-label {
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--color-text);
    margin-bottom: 6px;
}

/* ==========================================================================
   ALERTS
   ========================================================================== */

.alert {
    border-radius: var(--radius-md);
    border: none;
    font-size: 0.875rem;
    animation: slideIn 0.3s ease;
}

.alert-success {
    background: #ecfdf5;
    color: #065f46;
    border-left: 4px solid var(--color-success);
}

.alert-warning {
    background: #fffbeb;
    color: #92400e;
    border-left: 4px solid var(--color-warning);
}

.alert-danger {
    background: #fef2f2;
    color: #991b1b;
    border-left: 4px solid var(--color-danger);
}

.alert-info {
    background: #eff6ff;
    color: #1e40af;
    border-left: 4px solid var(--color-primary);
}

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

/* ==========================================================================
   MODALS
   ========================================================================== */

.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--color-border);
    padding: 20px 24px;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    border-top: 1px solid var(--color-border);
    padding: 16px 24px;
}

/* ==========================================================================
   LAYOUT: CONTENT AREA
   ========================================================================== */

main {
    background: var(--color-surface-secondary);
    min-height: calc(100vh - var(--navbar-height));
}

main.main-with-sidebar {
    padding: 28px 32px !important;
}

footer {
    background: var(--color-surface-secondary);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.78rem;
}

/* Page Headers */
h2 {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

h5 {
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: -0.01em;
}

/* ==========================================================================
   VOLLPAKET UPSELL
   ========================================================================== */

.vollpaket-card {
    background: linear-gradient(135deg, #ecfdf5 0%, #f0fdf4 50%, #eff6ff 100%);
    border: 2px solid var(--color-success);
    border-radius: var(--radius-lg);
}

.vollpaket-card .vollpaket-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-success);
    letter-spacing: -0.03em;
}

/* ==========================================================================
   EMPTY STATES
   ========================================================================== */

.empty-state {
    padding: 60px 20px;
    text-align: center;
}

.empty-state i {
    font-size: 3rem;
    color: #cbd5e1;
    margin-bottom: 16px;
}

.empty-state p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    max-width: 360px;
    margin: 0 auto 20px;
}

/* ==========================================================================
   LOGIN / REGISTER
   ========================================================================== */

.auth-card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.auth-card .card-body {
    padding: 40px;
}

.auth-card h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 991.98px) {
    .sidebar {
        left: calc(-1 * var(--sidebar-width));
        transition: left 0.3s ease;
        box-shadow: none;
    }
    .sidebar.show {
        left: 0;
        box-shadow: 4px 0 16px rgba(0,0,0,0.08);
    }
    .main-with-sidebar {
        margin-left: 0;
        padding: 20px 16px !important;
    }
    footer.main-with-sidebar {
        margin-left: 0;
    }
    h2 { font-size: 1.3rem; }
}

@media (min-width: 992px) {
    .navbar-toggler-sidebar {
        display: none !important;
    }
}

/* ==========================================================================
   UTILITIES
   ========================================================================== */

.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.border-dashed {
    border-style: dashed !important;
    border-color: #cbd5e1 !important;
}

/* Smooth scrolling */
html { scroll-behavior: smooth; }

/* Loading spinner */
@keyframes spin {
    to { transform: rotate(360deg); }
}
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #e2e8f0;
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* ==========================================================================
   AUTH STANDALONE LAYOUT
   Login/Register/2FA pages — no sidebar, no navbar, centered
   ========================================================================== */

.auth-standalone {
    min-height: 100vh;
    background: var(--color-surface-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 16px;
}

.auth-standalone .auth-logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.02em;
    text-decoration: none;
    display: inline-block;
    margin-bottom: 24px;
}

/* ==========================================================================
   DETAIL PAGE TABLES
   ========================================================================== */

.detail-table {
    margin-bottom: 0;
}

.detail-table th {
    width: 40%;
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.82rem;
    padding: 10px 16px;
    border-bottom: 1px solid #f1f5f9;
    background: transparent;
}

.detail-table td {
    padding: 10px 16px;
    border-bottom: 1px solid #f1f5f9;
}

.detail-table tr:last-child th,
.detail-table tr:last-child td {
    border-bottom: none;
}

/* ==========================================================================
   PAGE HEADER
   ========================================================================== */

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.page-header h2 {
    margin-bottom: 0;
}

/* Count badge in headers */
.count-badge {
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding: 4px 10px;
    border-radius: 20px;
    vertical-align: middle;
    margin-left: 8px;
}

/* ==========================================================================
   FORM ACTION BAR
   ========================================================================== */

.form-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    padding-top: 8px;
}

/* ==========================================================================
   TABLE FOOTER
   ========================================================================== */

.table tfoot td {
    font-weight: 600;
    background: var(--color-surface-secondary);
    border-top: 2px solid var(--color-border);
}