/* ===== PRODRIVE QUIZ - MODERN BLACK & WHITE THEME ===== */

:root {
    --primary-color: #000000;      /* Noir principal */
    --secondary-color: #333333;    /* Gris foncé */
    --accent-color: #666666;       /* Gris moyen */
    --success-color: #000000;      /* Noir pour succès */
    --warning-color: #666666;     /* Gris pour attention */
    --danger-color: #000000;       /* Noir pour danger */
    --dark-color: #000000;         /* Noir */
    --light-color: #f5f5f5;        /* Gris très clair */
    --white-color: #ffffff;
    --border-color: #e0e0e0;       /* Gris clair pour bordures */
    --gradient-primary: #000000;
    --gradient-secondary: #333333;
    --shadow-soft: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.12);
    --border-radius: 8px;
    --transition: all 0.2s ease;
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: #ffffff;
    min-height: 100vh;
    color: var(--dark-color);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

/* ===== NAVIGATION ===== */
.navbar {
    background: var(--white-color) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

/* Navbar noire pour mobile */
.navbar-dark,
.navbar.bg-dark {
    background: var(--primary-color) !important;
    border-bottom: none;
}

.navbar-dark .navbar-brand,
.navbar.bg-dark .navbar-brand {
    color: var(--white-color) !important;
}

.navbar-dark .navbar-nav .nav-link,
.navbar.bg-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar.bg-dark .navbar-nav .nav-link:hover {
    color: var(--white-color) !important;
    background: rgba(255, 255, 255, 0.1);
}

.navbar-dark .navbar-toggler,
.navbar.bg-dark .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--white-color);
}

.navbar-dark .navbar-toggler-icon,
.navbar.bg-dark .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--dark-color) !important;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: -0.5px;
}

.navbar-brand::before {
    content: "";
    display: none;
}

.navbar-nav .nav-link {
    color: var(--dark-color) !important;
    font-weight: 400;
    padding: 0.5rem 1rem !important;
    border-radius: 4px;
    transition: var(--transition);
    margin: 0 0.25rem;
    font-size: 0.95rem;
}

.navbar-nav .nav-link:hover {
    color: var(--dark-color) !important;
    background: var(--light-color);
}

.navbar-toggler {
    border: 1px solid var(--border-color);
    color: var(--dark-color);
    padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 0, 0, 0.1);
}

/* ===== BUTTONS ===== */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 0.625rem 1.25rem;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

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

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

.btn-secondary {
    background: var(--white-color);
    color: var(--dark-color);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: var(--light-color);
    border-color: var(--accent-color);
    color: var(--dark-color);
}

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

.btn-success:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: var(--white-color);
}

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

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

.btn-outline-danger {
    border: 1px solid var(--dark-color);
    color: var(--dark-color);
    background: transparent;
}

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

.btn-outline-primary {
    border: 1px solid var(--dark-color);
    color: var(--dark-color);
    background: transparent;
}

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

.btn-outline-success {
    border: 1px solid var(--dark-color);
    color: var(--dark-color);
    background: transparent;
}

.btn-outline-success:hover {
    background: var(--dark-color);
    color: var(--white-color);
}

.btn-outline-warning {
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    background: transparent;
}

.btn-outline-warning:hover {
    background: var(--accent-color);
    color: var(--white-color);
}

/* ===== CARDS ===== */
.card {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    overflow: hidden;
    background: var(--white-color);
}

.card:hover {
    box-shadow: var(--shadow-medium);
    border-color: var(--accent-color);
}

.card-header {
    background: var(--white-color);
    color: var(--dark-color);
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

/* ===== FORMS ===== */
.form-control, .form-select {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.625rem 0.875rem;
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--white-color);
    color: var(--dark-color);
}

.form-control:focus, .form-select:focus {
    border-color: var(--dark-color);
    box-shadow: 0 0 0 0.15rem rgba(0, 0, 0, 0.1);
    outline: none;
}

.form-label {
    font-weight: 500;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* ===== TABLES ===== */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    background: var(--white-color);
    border: 1px solid var(--border-color);
}

.table thead th {
    background: var(--light-color);
    color: var(--dark-color);
    border-bottom: 2px solid var(--dark-color);
    font-weight: 600;
    padding: 1rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody tr {
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background: var(--light-color);
}

.table td {
    padding: 1rem;
    border-color: var(--border-color);
    vertical-align: middle;
    color: var(--dark-color);
}

/* ===== BADGES ===== */
.badge {
    border-radius: 4px;
    padding: 0.375rem 0.75rem;
    font-weight: 500;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
}

.bg-success {
    background: var(--primary-color) !important;
    color: var(--white-color) !important;
    border-color: var(--primary-color) !important;
}

.bg-danger {
    background: var(--primary-color) !important;
    color: var(--white-color) !important;
    border-color: var(--primary-color) !important;
}

/* ===== ALERTS ===== */
.alert {
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    font-weight: 400;
    box-shadow: var(--shadow-soft);
    border: none;
    border-left: 4px solid;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border-left-color: #28a745;
}

.alert-success .btn-close {
    filter: brightness(0) saturate(100%) invert(25%) sepia(95%) saturate(1352%) hue-rotate(95deg) brightness(95%) contrast(87%);
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border-left-color: #dc3545;
}

.alert-danger .btn-close {
    filter: brightness(0) saturate(100%) invert(15%) sepia(94%) saturate(7151%) hue-rotate(349deg) brightness(92%) contrast(88%);
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border-left-color: #ffc107;
}

.alert-warning .btn-close {
    filter: brightness(0) saturate(100%) invert(70%) sepia(95%) saturate(1352%) hue-rotate(5deg) brightness(105%) contrast(95%);
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border-left-color: #17a2b8;
}

.alert-info .btn-close {
    filter: brightness(0) saturate(100%) invert(50%) sepia(95%) saturate(1352%) hue-rotate(160deg) brightness(95%) contrast(87%);
}

/* ===== MAIN CONTENT ===== */
.container {
    padding: 2rem 1rem;
}

main {
    min-height: calc(100vh - 200px);
    padding-bottom: 2rem;
}

/* ===== LAYOUT STRUCTURE ===== */
body:not(.has-sidebar) {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

body:not(.has-sidebar) main {
    flex: 1;
    padding-bottom: 2rem;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--white-color);
    color: var(--dark-color);
    padding: 1.5rem 0;
    margin-top: auto;
    text-align: center;
    flex-shrink: 0;
    border-top: 1px solid var(--border-color);
}

.footer a {
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 400;
}

.footer a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

/* ===== LOGIN PAGE STYLES ===== */
.login-container {
    min-height: 100vh;
    background: var(--white-color);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-card {
    background: var(--white-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    text-align: center;
}

.login-header {
    margin-bottom: 2rem;
}

.login-header h1 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 2rem;
    letter-spacing: -1px;
}

.login-header p {
    color: var(--accent-color);
    font-size: 0.95rem;
    font-weight: 400;
}

/* ===== SIDEBAR LAYOUT ===== */
body.has-sidebar {
    display: flex;
    flex-direction: row;
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 260px;
    background: var(--primary-color);
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.2);
    border-right: none;
    z-index: 1000;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-header {
    padding: 1.5rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: var(--primary-color);
}

.sidebar-brand {
    color: var(--white-color);
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: var(--transition);
    letter-spacing: -0.5px;
}

.sidebar-brand:hover {
    color: var(--white-color);
}

.sidebar-nav {
    padding: 1rem 0;
}

.sidebar-nav .nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-nav .nav-item {
    margin: 0.125rem 0;
}

.sidebar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
    font-weight: 400;
    font-size: 0.9rem;
}

.sidebar-nav .nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white-color);
    border-left-color: var(--white-color);
}

.sidebar-nav .nav-link i {
    width: 20px;
    text-align: center;
    opacity: 0.8;
}

.sidebar-nav .nav-link.active {
    background: rgba(255, 255, 255, 0.15);
    border-left-color: var(--white-color);
    color: var(--white-color);
    font-weight: 500;
}

.sidebar-nav .nav-divider {
    margin: 0.5rem 1rem;
}

.sidebar-nav .nav-divider hr {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 0.5rem 0;
}

.sidebar-nav .collapse .nav-link {
    padding-left: 2.5rem;
    font-size: 0.85rem;
}

.sidebar-nav .nav-link[data-bs-toggle="collapse"] {
    position: relative;
}

.sidebar-nav .nav-link[data-bs-toggle="collapse"] .bi-chevron-down {
    margin-left: auto;
    transition: transform 0.2s ease;
    opacity: 0.7;
    color: rgba(255, 255, 255, 0.85);
}

.sidebar-nav .nav-link[data-bs-toggle="collapse"][aria-expanded="true"] .bi-chevron-down {
    transform: rotate(180deg);
}

.sidebar-nav .nav-link.btn-link {
    color: rgba(255, 255, 255, 0.85);
    text-align: left;
    width: 100%;
    padding: 0.75rem 1.5rem;
    border: none;
    background: transparent;
}

.sidebar-nav .nav-link.btn-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white-color);
    border-left: 3px solid var(--white-color);
}

/* Scrollbar personnalisée pour la sidebar */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: var(--primary-color);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.main-content {
    margin-left: 260px;
    flex: 1;
    min-height: 100vh;
    background: var(--white-color);
}

.main-content main {
    padding: 2rem;
    background: var(--white-color);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 991.98px) {
    .sidebar {
        display: none !important;
        visibility: hidden !important;
        position: absolute !important;
        left: -9999px !important;
    }
    
    body.has-sidebar {
        display: block !important;
        flex-direction: column !important;
    }
    
    .main-content {
        margin-left: 0 !important;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .login-card {
        padding: 2rem;
        margin: 1rem;
    }
    
    .navbar-brand {
        font-size: 1.1rem;
    }
    
    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .main-content main {
        padding: 1rem;
    }
    
    .navbar-dark,
    .navbar.bg-dark {
        border-bottom: none;
    }
    
    .navbar-dark .dropdown-menu,
    .navbar.bg-dark .dropdown-menu {
        background: var(--white-color);
        border: 1px solid var(--border-color);
    }
    
    .navbar-dark .dropdown-item,
    .navbar.bg-dark .dropdown-item {
        color: var(--dark-color);
    }
    
    .navbar-dark .dropdown-item:hover,
    .navbar.bg-dark .dropdown-item:hover {
        background: var(--light-color);
        color: var(--dark-color);
    }
    
    .navbar-dark .btn-outline-danger,
    .navbar.bg-dark .btn-outline-danger {
        border-color: rgba(255, 255, 255, 0.5);
        color: var(--white-color);
    }
    
    .navbar-dark .btn-outline-danger:hover,
    .navbar.bg-dark .btn-outline-danger:hover {
        background: rgba(255, 255, 255, 0.2);
        border-color: var(--white-color);
        color: var(--white-color);
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ===== DROPDOWN MENUS ===== */
.dropdown-menu {
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-medium);
    border-radius: var(--border-radius);
    padding: 0.5rem 0;
    background: var(--white-color);
}

.dropdown-item {
    color: var(--dark-color);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--light-color);
    color: var(--dark-color);
}

.dropdown-item:active {
    background: var(--light-color);
    color: var(--dark-color);
}

/* ===== CUSTOM UTILITIES ===== */
.text-gradient {
    color: var(--dark-color);
}

.shadow-custom {
    box-shadow: var(--shadow-medium);
}

.border-radius-custom {
    border-radius: var(--border-radius);
}

/* ===== ICONS & DECORATIONS ===== */
.icon-driving {
    font-size: 2rem;
    margin-right: 0.5rem;
}

.decoration-line {
    height: 1px;
    background: var(--border-color);
    border-radius: 0;
    margin: 1rem 0;
}

/* ===== LOADING STATES ===== */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.spinner {
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}