/* Style général */
* {
    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;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    overflow: hidden;
}

.header {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.content {
    padding: 30px;
}

/* Navigation */
.nav-buttons {
    margin-bottom: 30px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, #56ab2f 0%, #a8e6cf 100%);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(86, 171, 47, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, #ff416c 0%, #ff4b2b 100%);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 65, 108, 0.4);
}

.btn-warning {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(240, 147, 251, 0.4);
}

/* Formulaires */
.form-container {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Tableaux */
.table-container {
    overflow-x: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

th {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px;
    text-align: left;
    font-weight: 600;
}

td {
    padding: 12px 15px;
    border-bottom: 1px solid #e1e5e9;
}

tr:hover {
    background-color: #f8f9fa;
}

/* Stock faible */
.stock-faible {
    background-color: #ffe6e6 !important;
    border-left: 4px solid #ff416c;
}

.stock-faible:hover {
    background-color: #ffcccc !important;
}

/* Messages */
.message {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 600;
}

.message.error {
    background-color: #ffe6e6;
    color: #d63031;
    border: 1px solid #ff7675;
}

.message.success {
    background-color: #e6ffe6;
    color: #00b894;
    border: 1px solid #55a3ff;
}

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

.content {
    animation: fadeIn 0.5s ease-out;
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    color: #666;
    border-top: 1px solid #e1e5e9;
    margin-top: 30px;
}

/* Responsive - Tablettes */
@media (max-width: 1024px) {
    .container {
        margin: 10px;
        border-radius: 10px;
    }
    
    .header {
        padding: 25px;
    }
    
    .header h1 {
        font-size: 2.2em;
    }
    
    .content {
        padding: 25px;
    }
    
    .nav-buttons {
        gap: 12px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    th, td {
        padding: 10px 12px;
        font-size: 14px;
    }
}

/* Responsive - Mobiles */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .container {
        margin: 5px;
        border-radius: 8px;
    }
    
    .header {
        padding: 20px 15px;
    }
    
    .header h1 {
        font-size: 1.8em;
        margin-bottom: 8px;
    }
    
    .header p {
        font-size: 14px;
    }
    
    .content {
        padding: 20px 15px;
    }
    
    .nav-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn {
        width: 100%;
        padding: 12px 20px;
        font-size: 16px;
    }
    
    /* Tableaux responsives */
    .table-container {
        border-radius: 8px;
        margin: 0 -15px;
    }
    
    table {
        font-size: 12px;
    }
    
    th, td {
        padding: 8px 6px;
        font-size: 12px;
    }
    
    /* Masquer certaines colonnes sur mobile */
    .hide-mobile {
        display: none;
    }
    
    /* Formulaires */
    .form-container {
        padding: 20px 15px;
        margin: 0 -15px 20px -15px;
        border-radius: 8px;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    .form-group label {
        font-size: 14px;
        margin-bottom: 6px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px;
        font-size: 16px; /* Évite le zoom sur iOS */
    }
    
    /* Messages */
    .message {
        padding: 12px;
        font-size: 14px;
        margin: 0 -15px 15px -15px;
    }
}

/* Responsive - Très petits écrans */
@media (max-width: 480px) {
    body {
        padding: 5px;
    }
    
    .container {
        margin: 0;
        border-radius: 0;
    }
    
    .header {
        padding: 15px 10px;
    }
    
    .header h1 {
        font-size: 1.5em;
    }
    
    .content {
        padding: 15px 10px;
    }
    
    .btn {
        padding: 10px 15px;
        font-size: 14px;
    }
    
    th, td {
        padding: 6px 4px;
        font-size: 11px;
    }
    
    /* Masquer plus de colonnes sur très petits écrans */
    .hide-small {
        display: none;
    }
    
    /* Ajuster les tableaux pour très petits écrans */
    .table-container {
        margin: 0 -10px;
    }
    
    table {
        font-size: 11px;
    }
    
    /* Formulaires */
    .form-container {
        padding: 15px 10px;
        margin: 0 -10px 15px -10px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 8px;
        font-size: 16px;
    }
}

/* Responsive - Orientation paysage sur mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .header {
        padding: 15px;
    }
    
    .header h1 {
        font-size: 1.6em;
    }
    
    .content {
        padding: 15px;
    }
    
    .nav-buttons {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .btn {
        width: auto;
        flex: 1;
        min-width: 120px;
    }
}

/* Amélioration de l'accessibilité */
@media (prefers-reduced-motion: reduce) {
    .content {
        animation: none;
    }
    
    .btn:hover {
        transform: none;
    }
    
    .module-card:hover {
        transform: none;
    }
}

/* Mode sombre (optionnel) */
@media (prefers-color-scheme: dark) {
    body {
        background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    }
    
    .container {
        background: #2c3e50;
        color: white;
    }
    
    .form-container {
        background: #34495e;
    }
    
    .form-group label {
        color: #ecf0f1;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        background: #34495e;
        color: white;
        border-color: #7f8c8d;
    }
} 

.alert-card .mini-table td,
.alert-card .mini-table th {
    color: #222 !important;
    background: transparent !important;
}