:root {
    --primary: #667eea;
    --primary-dark: #5a67d8;
    --secondary: #764ba2;
    --success: #48bb78;
    --danger: #f56565;
    --warning: #ed8936;
    --info: #4299e1;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.wrapper {
    min-height: 100vh;
    padding: 20px 0;
}

/* Cartes */
.card {
    border-radius: 20px !important;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15) !important;
}

/* Boutons */
.btn {
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border: none;
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 20px rgba(102,126,234,0.3);
}

/* Formulaires */
.form-control, .form-select {
    border-radius: 12px;
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102,126,234,0.1);
}

/* Alertes */
.alert {
    border-radius: 15px;
    border: none;
}

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

.card {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive */
@media (max-width: 768px) {
    .display-5 {
        font-size: 1.8rem;
    }
    
    .card-body {
        padding: 1.5rem !important;
    }
}

/* Toast personnalisé */
.toast-success {
    background-color: var(--success) !important;
}

.toast-error {
    background-color: var(--danger) !important;
}

/* Loader */
.loader {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Ajustement de la navbar pour le logo plus grand */
.navbar-brand {
    padding: 8px 0;
}

.logo-container {
    transition: transform 0.3s ease;
}

.logo-container:hover {
    transform: scale(1.05);
}

/* Ajustement responsive */
@media (max-width: 768px) {
    .logo-container {
        width: 60px !important;
        height: 60px !important;
    }
    
    .navbar-brand .ms-3 span {
        font-size: 1rem !important;
    }
    
    .navbar-brand .ms-3 small {
        font-size: 0.7rem !important;
    }
    
    .btn-outline-primary {
        padding: 6px 12px !important;
        font-size: 0.8rem !important;
    }
}

@media (max-width: 576px) {
    .logo-container {
        width: 50px !important;
        height: 50px !important;
    }
    
    .navbar-brand .ms-3 {
        margin-left: 8px !important;
    }
}