@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

:root {
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --secondary: #10B981;
    --secondary-hover: #059669;
    --header-alt: #7C3AED;
    --danger: #EF4444;
    --danger-hover: #DC2626;
    --bg-color: #F3F4F6;
    --card-bg: #FFFFFF;
    --text-main: #1F2937;
    --text-muted: #6B7280;
    --border-radius: 16px;
}

* {
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    margin: 0;
    padding: 30px 15px;
    line-height: 1.6;
}

.container-large {
    max-width: 1100px;
    margin: 0 auto;
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

/* Navigation */
.top-nav {
    display: flex;
    gap: 15px;
    margin-bottom: 35px;
    border-bottom: 2px solid #F3F4F6;
    padding-bottom: 20px;
}

.top-nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.top-nav a:hover {
    background: #EEF2FF;
    color: var(--primary);
}

.top-nav a.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.top-nav a.admin-tab {
    margin-left: auto;
    background: #FEF2F2;
    color: var(--danger);
}

.top-nav a.admin-tab.active {
    background: var(--danger);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* En-tête Utilisateur */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--header-alt) 100%);
    padding: 25px 35px;
    border-radius: 12px;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.btn-logout {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-logout:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Titres de sections */
h3 {
    color: var(--text-main);
    font-weight: 700;
    margin-top: 45px;
    margin-bottom: 20px;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
}

h3::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 24px;
    background: var(--primary);
    border-radius: 4px;
    margin-right: 10px;
}

/* Tableaux */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    border: 1px solid #F3F4F6;
}

th {
    background-color: #F9FAFB;
    color: var(--text-muted);
    font-weight: 600;
    text-align: left;
    padding: 15px 20px;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    border-bottom: 2px solid #E5E7EB;
}

td {
    padding: 15px 20px;
    border-bottom: 1px solid #F3F4F6;
    vertical-align: middle;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: #F9FAFB;
}

/* Boutons d'action */
button, .btn-external {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.2s ease;
    text-align: center;
    font-size: 0.9rem;
}

button:hover, .btn-external:hover {
    transform: translateY(-2px);
}

.btn-external {
    background-color: #3B82F6;
    color: white;
    padding: 10px 15px;
    text-decoration: none;
    display: block;
    margin-bottom: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn-external:hover { 
    background-color: #2563EB; 
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.btn-declare {
    background-color: var(--primary);
    color: white;
    width: 100%;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.btn-declare:hover { background-color: var(--primary-hover); }

.btn-desinscrire {
    background-color: #FEF2F2;
    color: var(--danger);
    width: 100%;
    border: 1px solid #FCA5A5;
    padding: 10px 15px;
    cursor: pointer;
}
.btn-desinscrire:hover { 
    background-color: var(--danger); 
    color: white;
}

.btn-reserver {
    background-color: #ECFDF5;
    color: var(--secondary-hover);
    width: 100%;
    border: 1px solid #6EE7B7;
    padding: 10px 15px;
    cursor: pointer;
}
.btn-reserver:hover { 
    background-color: var(--secondary); 
    color: white;
    border-color: var(--secondary);
}

/* Alertes */
.alert {
    padding: 16px 20px;
    border-radius: 10px;
    margin-bottom: 25px;
    font-weight: 500;
    display: flex;
    align-items: center;
}

.alert.success {
    background-color: #ECFDF5;
    color: #065F46;
    border-left: 5px solid var(--secondary);
}

.alert.error {
    background-color: #FEF2F2;
    color: #991B1B;
    border-left: 5px solid var(--danger);
}

/* Formulaires Admin et Profil */
form label {
    font-weight: 600;
    color: var(--text-main);
    display: block;
    margin-top: 15px;
}

input[type="password"], input[type="number"], input[type="text"], input[type="date"], select, textarea {
    width: 100%;
    padding: 12px 15px;
    margin: 8px 0;
    border: 1px solid #D1D5DB;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s;
    background-color: #F9FAFB;
    font-family: 'Poppins', sans-serif;
}

input[type="password"]:focus, input[type="number"]:focus, input[type="text"]:focus, input[type="date"]:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    background-color: white;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

/* Badge Compteur d'inscrits */
.badge {
    background-color: var(--primary);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 5px;
}

/* Pied de page */
.footer {
    text-align: center;
    margin-top: 50px;
    padding-top: 25px;
    border-top: 1px solid #E5E7EB;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

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