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

:root {
    --socida-black: #000000;
    --socida-dark-gray: #1a1a1a;
    --socida-gray: #F5F5F5;
    --socida-white: #FFFFFF;
    --socida-border: #CCCCCC;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--socida-gray);
    min-height: 100vh;
    padding: 0;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

header {
    background: linear-gradient(135deg, var(--socida-black) 0%, var(--socida-dark-gray) 100%);
    padding: 30px 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    margin-bottom: 30px;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 30px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo {
    height: 60px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    background: black;
    padding: 8px 15px;
    border-radius: 8px;
}

.header-text {
    flex: 1;
}

header h1 {
    font-size: 2.2rem;
    color: #fff;
    margin-bottom: 5px;
    font-weight: 700;
}

.subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
}

.admin-link, .back-link {
    display: inline-block;
    padding: 12px 24px;
    background: var(--socida-white);
    color: var(--socida-black);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    border: 2px solid var(--socida-white);
}

.admin-link:hover, .back-link:hover {
    background: var(--socida-black);
    color: var(--socida-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

section {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-left: 20px;
    margin-right: 20px;
}

h2 {
    color: var(--socida-black);
    margin-bottom: 20px;
    font-size: 1.8rem;
    border-bottom: 3px solid var(--socida-black);
    padding-bottom: 10px;
}

/* Section de recherche */
.format-info {
    background: var(--socida-gray);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 25px;
    border-left: 4px solid var(--socida-black);
}

.format-info h3 {
    color: var(--socida-black);
    margin-bottom: 15px;
}

.format-info ul {
    list-style: none;
    padding-left: 0;
}

.format-info li {
    margin: 10px 0;
    padding: 10px;
    background: #fff;
    border-radius: 6px;
    border-left: 3px solid var(--socida-dark-gray);
}

.format-info .example {
    color: #666;
    font-style: italic;
    font-size: 0.9rem;
}

.wildcard-info {
    margin-top: 15px;
    padding: 12px;
    background: #fff3cd;
    border-radius: 6px;
    color: #856404;
    border-left: 3px solid #ffc107;
}

.search-box {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

#plaqueInput {
    flex: 1;
    padding: 15px 20px;
    font-size: 1.2rem;
    border: 2px solid #ddd;
    border-radius: 8px;
    text-transform: uppercase;
    transition: border-color 0.3s;
}

#plaqueInput:focus {
    outline: none;
    border-color: var(--socida-black);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

button {
    padding: 15px 30px;
    font-size: 1rem;
    font-weight: bold;
    color: #fff;
    background: linear-gradient(135deg, var(--socida-black) 0%, var(--socida-dark-gray) 100%);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

button:active {
    transform: translateY(0);
}

.result {
    padding: 20px;
    border-radius: 8px;
    animation: fadeIn 0.3s;
}

.result.hidden {
    display: none;
}

.result.success {
    background: #d4edda;
    border: 2px solid #28a745;
    color: #155724;
}

.result.error {
    background: #f8d7da;
    border: 2px solid #dc3545;
    color: #721c24;
}

.client-info {
    margin-top: 15px;
}

.client-info p {
    margin: 8px 0;
    font-size: 1.1rem;
}

.client-info strong {
    color: var(--socida-black);
}

/* Formulaire d'ajout */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

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

.form-group input {
    padding: 12px 15px;
    font-size: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.submit-btn {
    width: 100%;
    margin-top: 10px;
}

.add-result {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    font-weight: 600;
}

.add-result.hidden {
    display: none;
}

.add-result.success {
    background: #d4edda;
    color: #155724;
}

.add-result.error {
    background: #f8d7da;
    color: #721c24;
}

/* Liste des clients */
.list-section h2 {
    margin-bottom: 20px;
}

.no-search {
    text-align: center;
    color: #999;
    font-style: italic;
    padding: 40px;
}

.clients-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.client-card {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid var(--socida-black);
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.client-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.client-card .plaque {
    font-size: 1.4rem;
    font-weight: bold;
    color: var(--socida-black);
    margin-bottom: 12px;
    padding: 8px;
    background: var(--socida-gray);
    border-radius: 6px;
    text-align: center;
    border: 2px solid var(--socida-border);
}

.client-card p {
    margin: 5px 0;
    color: #555;
}

.client-card .date {
    font-size: 0.85rem;
    color: #999;
    margin-top: 10px;
}

.client-card .date {
    font-size: 0.85rem;
    color: #999;
    margin-top: 10px;
}

/* Page d'upload */
.upload-section {
    max-width: 800px;
    margin: 0 auto;
}

.info-box {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 30px;
}

.info-box h2, .info-box h3 {
    color: var(--socida-black);
    margin-bottom: 15px;
}

.info-box ul {
    margin: 15px 0;
    padding-left: 25px;
}

.info-box li {
    margin: 8px 0;
}

.example-csv {
    background: #fff;
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
}

.example-csv pre {
    background: #2d2d44;
    color: #fff;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-size: 0.9rem;
}

.warning {
    background: #fff3cd;
    color: #856404;
    padding: 12px;
    border-radius: 5px;
    margin-top: 15px;
    border-left: 4px solid #ffc107;
}

.upload-box {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.upload-box h2 {
    color: var(--socida-black);
    margin-bottom: 20px;
}

#uploadForm {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

#csvFile {
    padding: 15px;
    border: 2px dashed var(--socida-black);
    border-radius: 10px;
    background: var(--socida-gray);
    cursor: pointer;
}

#csvFile::-webkit-file-upload-button {
    padding: 10px 20px;
    background: var(--socida-black);
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.upload-result {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
}

.upload-result.hidden {
    display: none;
}

.upload-result.success {
    background: #d4edda;
    color: #155724;
    border: 2px solid #28a745;
}

.upload-result.error {
    background: #f8d7da;
    color: #721c24;
    border: 2px solid #dc3545;
}

.upload-result h3 {
    margin-bottom: 10px;
}

.upload-result ul {
    margin-top: 10px;
    padding-left: 20px;
}

.upload-result li {
    margin: 5px 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.8rem;
    }

    .search-box {
        flex-direction: column;
    }

    section {
        padding: 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}