/* =============================================
   VARIABLES ET RESET
   ============================================= */
:root {
    --primary-color: #4a6fa5;
    --primary-dark: #166088;
    --secondary-color: #4fc3f7;
    --accent-color: #ff9a8b;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f5f7fa;
    padding: 0;
    margin: 0;
}

/* =============================================
   LAYOUT
   ============================================= */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* =============================================
   HEADER
   ============================================= */
header {
    background-color: var(--primary-color);
    color: white;
    padding: 15px 0;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 1.5rem;
    margin: 0;
}

header nav a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
    transition: var(--transition);
}

header nav a:hover {
    text-decoration: underline;
}

.back-btn {
    color: white;
    text-decoration: none;
    font-weight: 500;
    margin-right: 15px;
}

/* =============================================
   BOUTONS
   ============================================= */
.btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
    display: inline-block;
    text-align: center;
    text-decoration: none;
    width: 100%;
    margin: 10px 0;
}

.btn:hover:not(:disabled) {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

.btn-small {
    background-color: var(--secondary-color);
    padding: 8px 16px;
    font-size: 0.9rem;
    width: auto;
    display: inline-block;
    margin-left: 10px;
}

.siret-group {
    display: flex;
    gap: 10px;
}

.siret-group input {
    flex: 1;
}

@media (max-width: 768px) {
    .siret-group {
        flex-direction: column;
    }
    .siret-group input {
        width: 100%;
    }
    .siret-group .btn-small {
        width: 100%;
        margin-left: 0;
        margin-top: 10px;
    }
}

/* =============================================
   FORMULAIRES
   ============================================= */
.form {
    background: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    max-width: 600px;
    margin: 20px auto;
}

.form h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(74, 111, 165, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.login-link {
    text-align: center;
    margin-top: 15px;
}

.login-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.login-link a:hover {
    text-decoration: underline;
}

/* =============================================
   CARTES DE COMMERÇANTS
   ============================================= */
.commercants-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.commercant-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.commercant-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.commercant-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.commercant-card-content {
    padding: 15px;
}

.commercant-card h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
    color: var(--dark-color);
}

.rating {
    color: #ffc107;
    margin-bottom: 10px;
    font-weight: 500;
}

.address {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.category {
    display: inline-block;
    background-color: var(--light-color);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--primary-color);
    font-weight: 500;
}

/* =============================================
   FILTRES
   ============================================= */
.filters {
    display: flex;
    gap: 15px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.filters select {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    flex: 1;
    min-width: 200px;
}

@media (max-width: 768px) {
    .filters {
        flex-direction: column;
    }
    .filters select {
        width: 100%;
    }
}

/* =============================================
   BARRE DE RECHERCHE
   ============================================= */
.search-bar {
    display: flex;
    margin: 20px 0;
}

.search-bar input {
    flex: 1;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    font-size: 1rem;
}

.search-bar button {
    padding: 12px 20px;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    background-color: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.search-bar button:hover {
    background-color: var(--primary-dark);
}

/* =============================================
   MESSAGES
   ============================================= */
.message {
    padding: 12px;
    margin: 10px 0;
    border-radius: var(--border-radius);
    text-align: center;
}

.message-error {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
}

.message-success {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
}

.loading {
    text-align: center;
    padding: 20px;
    font-style: italic;
    color: #666;
}

/* =============================================
   CARTE (LEAFLET)
   ============================================= */
.map-container {
    height: 400px;
    width: 100%;
    margin: 20px 0;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

/* =============================================
   FOOTER
   ============================================= */
footer {
    text-align: center;
    padding: 20px;
    margin-top: 30px;
    background-color: var(--dark-color);
    color: white;
}

/* =============================================
   RESPONSIVE (MOBILE)
   ============================================= */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 10px;
    }

    header nav {
        margin-top: 10px;
    }

    .commercants-grid {
        grid-template-columns: 1fr;
    }

    .form {
        padding: 15px;
    }
}