/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ===== LAYOUT ===== */
header {
    background-color: #2c3e50;
    color: white;
    padding: 1rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

header h1 {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

nav {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

main {
    padding: 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

h2 {
    margin-bottom: 1.5rem;
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 0.5rem;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #2980b9;
}

.btn.secondary {
    background-color: #95a5a6;
}

.btn.secondary:hover {
    background-color: #7f8c8d;
}

.btn.panier-btn {
    background-color: #e74c3c;
    position: relative;
}

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

.btn.logout-btn {
    background-color: #e74c3c;
}

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

.panier-count {
    background-color: white;
    color: #e74c3c;
    border-radius: 50%;
    padding: 0.2rem 0.4rem;
    font-size: 0.8rem;
    margin-left: 0.3rem;
    position: absolute;
    top: -8px;
    right: -8px;
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #3498db;
}

.form-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ===== TABLES ===== */
.table-container {
    overflow-x: auto;
    margin-bottom: 1.5rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    padding: 1rem;
}

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

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #3498db;
    color: white;
    font-weight: 600;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

tr:hover {
    background-color: #f1f1f1;
}

/* Inputs dans les tableaux */
.stock-input,
.commande-input {
    width: 80px;
    padding: 0.3rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-align: center;
}

.remarques-input {
    width: 100%;
    padding: 0.3rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

/* ===== ALERTS ===== */
.alert {
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 4px;
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ===== LOGIN PAGE ===== */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #2c3e50;
}

.login-container {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-container h1 {
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.login-container .form-group {
    margin-bottom: 1.5rem;
}

.login-container .btn {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    header {
        padding: 1rem 0.5rem;
    }

    header h1 {
        font-size: 1.2rem;
    }

    nav {
        flex-direction: column;
        gap: 0.5rem;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .table-container {
        padding: 0.5rem;
    }

    th, td {
        padding: 0.5rem;
        font-size: 0.85rem;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    th, td {
        padding: 0.4rem;
        font-size: 0.8rem;
    }

    .stock-input,
    .commande-input {
        width: 60px;
        padding: 0.2rem;
    }
}