/* Variables globales */
:root {
    --wrapper-width: 1400px;
    --header-height: 45px;
    --primary: #3498db;
    --secondary: #2ecc71;
    --accent: #e74c3c;
    --warning: #f1c40f;
    --dark-bg: rgba(26, 39, 53, 0.95);
    --darker-bg: #141824;
    --light-bg: rgba(255, 255, 255, 0.05);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

/* Reset et base */
html, body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

body {
    background: var(--darker-bg);
    color: #fff;
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    padding-top: var(--header-height);
}

/* Structure principale */
.wrapper {
    width: 100%;
    max-width: var(--wrapper-width);
    margin: 0 auto;
    padding: 0 20px;
}

.content-box {
    width: 100%;
    max-width: var(--wrapper-width);
    margin: 20px auto;
    padding: 20px;
    background: var(--dark-bg);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

/* Sections */
.section {
    margin-bottom: 30px;
    padding: 20px;
    background: var(--light-bg);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.section:hover {
    background: rgba(255, 255, 255, 0.08);
}

.section-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(52, 152, 219, 0.2);
}

.section-title {
    font-size: 1.5em;
    color: #fff;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title i {
    color: var(--primary);
}

/* Cartes */
.card {
    background: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

/* Grilles */
.grid {
    display: grid;
    gap: 20px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

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

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

.btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

/* Formulaires */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.8);
}

.form-control {
    width: 100%;
    padding: 12px;
    background: var(--light-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: white;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
    outline: none;
}

/* Alertes */
.alert {
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.alert-success {
    background: rgba(46, 204, 113, 0.1);
    border: 1px solid rgba(46, 204, 113, 0.2);
    color: var(--secondary);
}

.alert-error {
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid rgba(231, 76, 60, 0.2);
    color: var(--accent);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease forwards;
}

/* Loader */
.loader {
    width: 40px;
    height: 40px;
    border: 3px solid var(--light-bg);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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

/* Responsive */
@media (max-width: 1200px) {
    .wrapper {
        padding: 0 15px;
    }
    
    .grid-4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .content-box {
        padding: 15px;
        margin: 10px;
    }
    
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 15px;
    }
}

/* Glassmorphism */
.glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* Tooltips */
[data-tooltip] {
    position: relative;
}

[data-tooltip]:after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark-bg);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.9em;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

[data-tooltip]:hover:after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-10px);
}