/* Variables globales */
:root {
    --primary-color: #1e3c72;
    --secondary-color: #2a5298;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --light-bg: #ecf0f1;
    --border-color: #bdc3c7;
    --text-color: #2c3e50;
    --padding: 20px;
    --border-radius: 8px;
}

/* Reset et styles globaux */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    background-color: #f5f7fa;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--padding);
}

/* Authentification */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.auth-box {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.auth-box h1 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.auth-box h2 {
    text-align: center;
    color: var(--text-color);
    margin-bottom: 30px;
    font-size: 1.5em;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 60px var(--padding);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border-radius: var(--border-radius);
    margin: 0px 0;
}

.hero h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

.hero p {
    font-size: 1.2em;
    margin-bottom: 20px;
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1em;
}

/* Features */
.features {
    margin: 50px 0;
}

.features h2 {
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.feature-card {
    background: white;
    padding: var(--padding);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.2em;
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.info-card {
    background: white;
    padding: var(--padding);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin: 20px 0;
}

.info-card p {
    margin: 10px 0;
}

.profile-card {
    background: white;
    padding: var(--padding);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin: 20px 0;
}

.profile-form {
    background: white;
    padding: var(--padding);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin: 20px 0;
}

/* Navbar */
.navbar {
    background: linear-gradient(135deg, var(--ice-dark) 0%, var(--ice-deep) 100%);
    color: white;
    padding: 15px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 0px;
    position: relative;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
}

.logo {
    font-size: 1.8em;
    font-weight: bold;
}

.logo-img {
    height: 56px;
    width: auto;
    display: block;
}

.nav-link-subtle {
    font-size: 0.85em;
    opacity: 0.7;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 0.8;
}

.nav-links a.btn {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border-color: rgba(255, 255, 255, 0.4);
    opacity: 1;
}

.nav-links a.btn:hover {
    background: rgba(255, 255, 255, 0.28);
    color: white;
    opacity: 1;
}

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.stat-card {
    background: white;
    padding: var(--padding);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
    border-left: 5px solid var(--primary-color);
}

.stat-card h3 {
    color: var(--text-color);
    margin-bottom: 10px;
}

.stat-number {
    font-size: 2.5em;
    font-weight: bold;
    color: var(--primary-color);
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.table thead {
    background-color: var(--primary-color);
    color: white;
}

.table th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
}

.table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--light-bg);
}

.table tbody tr:hover {
    background-color: #f9f9f9;
}

/* Sections */
.members-section,
.groups-section {
    background: white;
    padding: var(--padding);
    margin: 30px 0;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.members-section h3,
.groups-section h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
}

/* Grid de groupes */
.groups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.group-card {
    background: linear-gradient(135deg, var(--ice-light) 0%, var(--ice-medium) 100%);
    color: var(--primary-color);
    padding: var(--padding);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s;
}

.group-card:hover {
    transform: translateY(-5px);
}

.group-card h4 {
    margin-bottom: 15px;
    font-size: 1.3em;
}

.group-card p {
    margin: 8px 0;
    font-size: 0.95em;
}

/* Admin */
.admin-container {
    padding-top: 20px;
}

.admin-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 30px;
}

@media (max-width: 1024px) {
    .admin-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .admin-grid {
        grid-template-columns: 1fr;
    }
}

.admin-section {
    background: white;
    padding: var(--padding);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.admin-section h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
}

/* Formulaires */
.form-section {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--light-bg);
}

.form-section h3 {
    margin-bottom: 15px;
    color: var(--text-color);
}

.form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

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

.form-group label {
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1em;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 60, 114, 0.1);
}

/* Boutons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 1em;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    box-shadow: 0 4px 12px rgba(30, 60, 114, 0.3);
}

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

.btn-success:hover {
    background-color: #229954;
}

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

.btn-danger:hover {
    background-color: #c0392b;
}

/* Liste des membres et groupes */
.members-list,
.groups-list {
    margin-top: 20px;
}

.members-list h3,
.groups-list h3 {
    margin-bottom: 15px;
    color: var(--text-color);
}

.item-card {
    background: var(--light-bg);
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.item-info {
    flex-grow: 1;
}

.item-actions {
    display: flex;
    gap: 10px;
}

.item-actions button {
    padding: 5px 10px;
    font-size: 0.9em;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #0b2d4a 0%, var(--primary-color) 55%, #154e6d 100%);
    color: white;
    padding: 60px var(--padding) 20px;
    margin-top: 60px;
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

footer::before {
    content: "";
    position: absolute;
    top: -60px;
    right: -80px;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.18), transparent 65%);
    pointer-events: none;
}

footer .footer-content {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 30px;
    text-align: left;
    flex-wrap: nowrap;
}

footer .footer-section h4 {
    font-size: 1.05rem;
    margin-bottom: 12px;
    letter-spacing: 0.3px;
}

footer .footer-section p,
footer .footer-section a,
footer .footer-section li {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
}

footer .footer-section a {
    text-decoration: none;
    transition: color 0.2s ease;
}

footer .footer-section a:hover {
    color: #ffffff;
}

footer .footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 8px;
}

footer .footer-brand h4 {
    font-size: 1.35rem;
    margin-bottom: 8px;
}

footer .footer-sparkle {
    width: 60px;
    height: 4px;
    margin-top: 12px;
    border-radius: 99px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.6), transparent);
}

footer .contact-list {
    display: grid;
    gap: 10px;
}

footer .contact-icon {
    display: inline-flex;
    width: 30px;
    height: 30px;
    margin-right: 10px;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    font-size: 0.85rem;
    flex-shrink: 0;
}

footer .footer-bottom {
    margin-top: 30px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

footer .footer-bottom-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

footer .footer-credit {
    opacity: 0.85;
}

@media (max-width: 700px) {
    footer {
        padding: 45px var(--padding) 20px;
    }

    footer .footer-content {
        flex-wrap: wrap;
    }

    footer .footer-bottom-content {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Alertes */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    border-left: 5px solid;
}

.alert-success {
    background-color: #d4edda;
    border-color: var(--success-color);
    color: #155724;
}

.alert-error {
    background-color: #f8d7da;
    border-color: var(--danger-color);
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: var(--warning-color);
    color: #856404;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
    background-color: var(--primary-color);
    color: white;
}

.badge-success {
    background-color: var(--success-color);
}

.badge-danger {
    background-color: var(--danger-color);
}

.badge-warning {
    background-color: var(--warning-color);
    color: white;
}

/* Tabs */
.report-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.tab {
    padding: 10px 20px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    text-decoration: none;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}

.tab:hover {
    color: var(--primary-color);
}

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Group Card Admin */
.group-card-admin {
    background: white;
    padding: var(--padding);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    border-left: 5px solid var(--primary-color);
}

.group-card-admin h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.group-card-admin p {
    margin: 8px 0;
}

.group-card-admin .actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

/* Attendance Stats */
.attendance-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

/* Report Summary */
.report-summary {
    background: white;
    padding: var(--padding);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.report-summary p {
    margin: 15px 0;
    font-size: 1.1em;
}

/* Burger menu — caché sur desktop */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px;
    z-index: 200;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background: white;
    border-radius: 3px;
    transition: all 0.3s;
}

.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
        padding: 10px 20px 20px;
        gap: 12px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    }

    .nav-links.open {
        display: flex;
    }

    .admin-grid {
        grid-template-columns: 1fr;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }
}