:root {
    /* Couleurs de base */
    --gold: #d4af37;
    --gold-light: #e5c76b;
    --gold-dark: #b38728;
    
    /* Thème clair */
    --light-bg: #f8f9fa;
    --light-bg-card: #ffffff;
    --light-text: #212529;
    --light-text-secondary: #6c757d;
    --light-border: #dee2e6;
    --light-input-bg: #ffffff;
    --light-input-border: #ced4da;
    --light-btn-primary-bg: var(--gold);
    --light-btn-primary-text: #212529;
    --light-btn-secondary-bg: #e9ecef;
    --light-btn-secondary-text: #212529;
    --light-btn-danger-bg: #dc3545;
    --light-btn-danger-text: #ffffff;
    --light-header-bg: #ffffff;
    --light-header-text: #212529;
    --light-nav-bg: #f8f9fa;
    --light-nav-text: #212529;
    --light-nav-active-bg: var(--gold-light);
    --light-nav-active-text: #212529;
    --light-dropdown-bg: #ffffff;
    --light-dropdown-text: #212529;
    --light-dropdown-hover-bg: #f8f9fa;
    --light-dropdown-hover-text: #212529;
    --light-success: #28a745;
    --light-danger: #dc3545;
    --light-warning: #ffc107;
    --light-info: #17a2b8;
    
    /* Thème sombre */
    --dark-bg: #121212;
    --dark-bg-card: #1e1e1e;
    --dark-text: #e0e0e0;
    --dark-text-secondary: #a0a0a0;
    --dark-border: #333333;
    --dark-input-bg: #2c2c2c;
    --dark-input-border: #444444;
    --dark-btn-primary-bg: var(--gold);
    --dark-btn-primary-text: #212529;
    --dark-btn-secondary-bg: #333333;
    --dark-btn-secondary-text: #e0e0e0;
    --dark-btn-danger-bg: #dc3545;
    --dark-btn-danger-text: #ffffff;
    --dark-header-bg: #1e1e1e;
    --dark-header-text: #e0e0e0;
    --dark-nav-bg: #1e1e1e;
    --dark-nav-text: #e0e0e0;
    --dark-nav-active-bg: var(--gold-dark);
    --dark-nav-active-text: #ffffff;
    --dark-dropdown-bg: #2c2c2c;
    --dark-dropdown-text: #e0e0e0;
    --dark-dropdown-hover-bg: #333333;
    --dark-dropdown-hover-text: #ffffff;
    --dark-success: #28a745;
    --dark-danger: #dc3545;
    --dark-warning: #ffc107;
    --dark-info: #17a2b8;
}

/* Thème clair par défaut */
body {
    --bg: var(--light-bg);
    --bg-card: var(--light-bg-card);
    --text: var(--light-text);
    --text-secondary: var(--light-text-secondary);
    --border: var(--light-border);
    --input-bg: var(--light-input-bg);
    --input-border: var(--light-input-border);
    --btn-primary-bg: var(--light-btn-primary-bg);
    --btn-primary-text: var(--light-btn-primary-text);
    --btn-secondary-bg: var(--light-btn-secondary-bg);
    --btn-secondary-text: var(--light-btn-secondary-text);
    --btn-danger-bg: var(--light-btn-danger-bg);
    --btn-danger-text: var(--light-btn-danger-text);
    --header-bg: var(--light-header-bg);
    --header-text: var(--light-header-text);
    --nav-bg: var(--light-nav-bg);
    --nav-text: var(--light-nav-text);
    --nav-active-bg: var(--light-nav-active-bg);
    --nav-active-text: var(--light-nav-active-text);
    --dropdown-bg: var(--light-dropdown-bg);
    --dropdown-text: var(--light-dropdown-text);
    --dropdown-hover-bg: var(--light-dropdown-hover-bg);
    --dropdown-hover-text: var(--light-dropdown-hover-text);
    --success: var(--light-success);
    --danger: var(--light-danger);
    --warning: var(--light-warning);
    --info: var(--light-info);
    
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    transition: background-color 0.3s, color 0.3s;
}

/* Thème sombre */
body.dark-theme {
    --bg: var(--dark-bg);
    --bg-card: var(--dark-bg-card);
    --text: var(--dark-text);
    --text-secondary: var(--dark-text-secondary);
    --border: var(--dark-border);
    --input-bg: var(--dark-input-bg);
    --input-border: var(--dark-input-border);
    --btn-primary-bg: var(--dark-btn-primary-bg);
    --btn-primary-text: var(--dark-btn-primary-text);
    --btn-secondary-bg: var(--dark-btn-secondary-bg);
    --btn-secondary-text: var(--dark-btn-secondary-text);
    --btn-danger-bg: var(--dark-btn-danger-bg);
    --btn-danger-text: var(--dark-btn-danger-text);
    --header-bg: var(--dark-header-bg);
    --header-text: var(--dark-header-text);
    --nav-bg: var(--dark-nav-bg);
    --nav-text: var(--dark-nav-text);
    --nav-active-bg: var(--dark-nav-active-bg);
    --nav-active-text: var(--dark-nav-active-text);
    --dropdown-bg: var(--dark-dropdown-bg);
    --dropdown-text: var(--dark-dropdown-text);
    --dropdown-hover-bg: var(--dark-dropdown-hover-bg);
    --dropdown-hover-text: var(--dark-dropdown-hover-text);
    --success: var(--dark-success);
    --danger: var(--dark-danger);
    --warning: var(--dark-warning);
    --info: var(--dark-info);
}

/* Styles généraux */
* {
    box-sizing: border-box;
}

a {
    color: var(--gold);
    text-decoration: none;
}

a:hover {
    color: var(--gold-light);
    text-decoration: underline;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: -10px;
}

.col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 10px;
}

@media (max-width: 768px) {
    .col-md-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

.text-center {
    text-align: center;
}

.mt-3 {
    margin-top: 15px;
}

.mt-4 {
    margin-top: 20px;
}

.mb-3 {
    margin-bottom: 15px;
}

.mb-4 {
    margin-bottom: 20px;
}

.d-flex {
    display: flex;
}

.d-inline {
    display: inline;
}

.justify-content-between {
    justify-content: space-between;
}

.align-items-center {
    align-items: center;
}

.w-100 {
    width: 100%;
}

/* Formulaires */
.form-group {
    margin-bottom: 15px;
}

.form-control {
    display: block;
    width: 100%;
    padding: 8px 12px;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text);
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    border-color: var(--gold);
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(212, 175, 55, 0.25);
}

.form-control-file {
    display: block;
    width: 100%;
}

.form-text {
    display: block;
    margin-top: 5px;
    font-size: 14px;
    color: var(--text-secondary);
}

.form-check {
    position: relative;
    display: block;
    padding-left: 1.25rem;
    margin-bottom: 10px;
}

.form-check-input {
    position: absolute;
    margin-top: 0.3rem;
    margin-left: -1.25rem;
}

.form-check-label {
    margin-bottom: 0;
}

/* Boutons */
.btn {
    display: inline-block;
    font-weight: 400;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: 8px 12px;
    font-size: 16px;
    line-height: 1.5;
    border-radius: 4px;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    cursor: pointer;
}

.btn:focus, .btn:hover {
    text-decoration: none;
}

.btn-primary {
    color: var(--btn-primary-text);
    background-color: var(--btn-primary-bg);
    border-color: var(--gold-dark);
}

.btn-primary:hover {
    background-color: var(--gold-dark);
    border-color: var(--gold-dark);
}

.btn-secondary {
    color: var(--btn-secondary-text);
    background-color: var(--btn-secondary-bg);
    border-color: var(--btn-secondary-bg);
}

.btn-secondary:hover {
    background-color: var(--btn-secondary-text);
    color: var(--btn-secondary-bg);
}

.btn-danger {
    color: var(--btn-danger-text);
    background-color: var(--btn-danger-bg);
    border-color: var(--btn-danger-bg);
}

.btn-danger:hover {
    background-color: #bd2130;
    border-color: #bd2130;
}

.btn-success {
    color: #fff;
    background-color: var(--success);
    border-color: var(--success);
}

.btn-success:hover {
    background-color: #218838;
    border-color: #1e7e34;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-sm {
    padding: 4px 8px;
    font-size: 14px;
    border-radius: 3px;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text);
    font-size: 18px;
    cursor: pointer;
    padding: 5px;
}

.btn-icon:hover {
    color: var(--gold);
}

.btn-group {
    display: flex;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
}

.btn-group .btn:last-child {
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
}

/* Alertes */
.alert {
    position: relative;
    padding: 12px 20px;
    margin-bottom: 16px;
    border: 1px solid transparent;
    border-radius: 4px;
}

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

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-warning {
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeeba;
}

.alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

/* Cartes */
.card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: var(--bg-card);
    background-clip: border-box;
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    padding: 15px 20px;
    margin-bottom: 0;
    background-color: rgba(0, 0, 0, 0.03);
    border-bottom: 1px solid var(--border);
}

.card-body {
    flex: 1 1 auto;
    padding: 20px;
}

/* En-tête et navigation */
.main-header {
    background-color: var(--header-bg);
    color: var(--header-text);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-left {
    display: flex;
    align-items: center;
}

.header-logo img {
    height: 40px;
    margin-right: 15px;
}

.header-title {
    font-size: 20px;
    font-weight: bold;
    color: var(--gold);
}

.header-right {
    display: flex;
    align-items: center;
}

.user-greeting {
    margin-right: 20px;
}

.header-actions {
    display: flex;
    gap: 10px;
}

.main-nav {
    background-color: var(--nav-bg);
    border-bottom: 1px solid var(--border);
}

.main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav li {
    margin: 0;
}

.main-nav a {
    display: block;
    padding: 12px 20px;
    color: var(--nav-text);
    text-decoration: none;
    transition: background-color 0.2s;
}

.main-nav a:hover {
    background-color: rgba(212, 175, 55, 0.1);
    color: var(--gold);
}

.main-nav a.active {
    background-color: var(--nav-active-bg);
    color: var(--nav-active-text);
}

/* Dropdown */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle::after {
    display: inline-block;
    margin-left: 0.255em;
    vertical-align: 0.255em;
    content: "";
    border-top: 0.3em solid;
    border-right: 0.3em solid transparent;
    border-bottom: 0;
    border-left: 0.3em solid transparent;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 1000;
    display: none;
    min-width: 10rem;
    padding: 0.5rem 0;
    margin: 0.125rem 0 0;
    font-size: 1rem;
    color: var(--dropdown-text);
    text-align: left;
    list-style: none;
    background-color: var(--dropdown-bg);
    background-clip: padding-box;
    border: 1px solid var(--border);
    border-radius: 0.25rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.175);
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 0.25rem 1.5rem;
    clear: both;
    font-weight: 400;
    color: var(--dropdown-text);
    text-align: inherit;
    white-space: nowrap;
    background-color: transparent;
    border: 0;
    text-decoration: none;
}

.dropdown-item:hover, .dropdown-item:focus {
    color: var(--dropdown-hover-text);
    text-decoration: none;
    background-color: var(--dropdown-hover-bg);
}

/* Page de connexion */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg) 0%, var(--bg-card) 100%);
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 30px;
    background-color: var(--bg-card);
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.logo-container {
    margin-bottom: 20px;
}

.logo {
    max-width: 150px;
    height: auto;
}

.site-name {
    color: var(--gold);
    font-size: 28px;
    margin-bottom: 30px;
}

.discord-link {
    margin-top: 20px;
}

.btn-discord {
    background-color: #7289da;
    color: white;
}

.btn-discord:hover {
    background-color: #5f73bc;
    color: white;
}

/* Changement de mot de passe */
.change-password-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 100px);
}

/* Tableau de bord */
.page-title {
    color: var(--gold);
    margin-bottom: 20px;
    font-size: 28px;
    border-bottom: 2px solid var(--gold);
    padding-bottom: 10px;
}

.dashboard-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.stat-card {
    flex: 1;
    min-width: 250px;
    background-color: var(--bg-card);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.stat-card h3 {
    color: var(--gold);
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 18px;
}

.quota-progress {
    margin-bottom: 15px;
}

.progress-bar {
    height: 20px;
    background-color: var(--border);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 5px;
}

.progress {
    height: 100%;
    background-color: var(--gold);
    border-radius: 10px;
    transition: width 0.3s ease;
}

.progress-text {
    text-align: right;
    font-size: 14px;
    color: var(--text-secondary);
}

.quota-message {
    font-size: 14px;
    padding: 8px;
    border-radius: 4px;
}

.quota-message.warning {
    background-color: rgba(255, 193, 7, 0.1);
    border-left: 3px solid var(--warning);
}

.quota-message.success {
    background-color: rgba(40, 167, 69, 0.1);
    border-left: 3px solid var(--success);
}

.period-nav {
    display: flex;
    justify-content: center;
    margin-top: 10px;
}

/* Formulaire d'ajout de quota */
.quota-row {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    margin-bottom: 15px;
    position: relative;
}

.remove-quota {
    position: absolute;
    right: -40px;
    top: 30px;
}

.file-upload {
    position: relative;
}

.file-upload-preview {
    margin-top: 10px;
    max-width: 100%;
    height: 100px;
    border: 1px dashed var(--border);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.file-upload-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* Grille de quotas */
.quotas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.quota-card {
    background-color: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
}

.quota-image {
    height: 150px;
    overflow: hidden;
}

.quota-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.quota-info {
    padding: 10px;
    text-align: center;
}

.quota-value {
    font-size: 18px;
    font-weight: bold;
    color: var(--gold);
}

.quota-date {
    font-size: 12px;
    color: var(--text-secondary);
}

.quota-actions {
    position: absolute;
    top: 5px;
    right: 5px;
}

/* Historique des quotas */
.daily-quotas {
    margin-top: 20px;
}

.daily-quotas h3 {
    color: var(--gold);
    margin-bottom: 15px;
}

.daily-quotas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.day-card {
    background-color: var(--bg-card);
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.day-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.day-header h4 {
    margin: 0;
    color: var(--gold);
}

.day-date {
    font-size: 12px;
    color: var(--text-secondary);
}

.day-total {
    font-size: 24px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 10px;
    color: var(--gold);
}

.day-quotas {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.quota-item {
    background-color: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--gold);
    border-radius: 4px;
    padding: 5px 8px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.quota-item:hover {
    background-color: rgba(212, 175, 55, 0.2);
}

.quota-item-value {
    font-weight: bold;
}

.quota-item-time {
    font-size: 10px;
    color: var(--text-secondary);
}

.no-quotas {
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
    padding: 10px 0;
}

.period-navigation {
    display: flex;
    align-items: center;
    gap: 10px;
}

.period-label {
    font-weight: bold;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-dialog {
    margin: 50px auto;
    max-width: 600px;
}

.modal-content {
    background-color: var(--bg-card);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    animation: modalFadeIn 0.3s;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    margin: 0;
    color: var(--gold);
}

.close {
    background: none;
    border: none;
    font-size: 24px;
    font-weight: bold;
    color: var(--text-secondary);
    cursor: pointer;
}

.modal-body {
    padding: 20px;
}

.quota-detail-value {
    font-size: 24px;
    font-weight: bold;
    color: var(--gold);
    text-align: center;
    margin-bottom: 10px;
}

.quota-detail-date {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.quota-detail-image {
    text-align: center;
}

.quota-detail-image img {
    max-width: 100%;
    max-height: 400px;
    border-radius: 4px;
}

/* Tableaux */
.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    margin-bottom: 1rem;
    color: var(--text);
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 12px;
    vertical-align: top;
    border-top: 1px solid var(--border);
}

.table thead th {
    vertical-align: bottom;
    border-bottom: 2px solid var(--border);
    background-color: rgba(212, 175, 55, 0.1);
    color: var(--gold);
}

.table tbody + tbody {
    border-top: 2px solid var(--border);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0, 0, 0, 0.05);
}

.below-quota {
    background-color: rgba(220, 53, 69, 0.1) !important;
}

.text-danger {
    color: var(--danger) !important;
}

.text-success {
    color: var(--success) !important;
}

.quota-cell {
    cursor: pointer;
    transition: background-color 0.2s;
}

.quota-cell:hover {
    background-color: rgba(212, 175, 55, 0.1);
}

.quota-total {
    font-weight: bold;
}

/* Onglets */
.nav-tabs {
    display: flex;
    flex-wrap: wrap;
    padding-left: 0;
    margin-bottom: 0;
    list-style: none;
    border-bottom: 1px solid var(--border);
}

.nav-item {
    margin-bottom: -1px;
}

.nav-link {
    display: block;
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: var(--text);
    background-color: transparent;
    border: 1px solid transparent;
    border-top-left-radius: 0.25rem;
    border-top-right-radius: 0.25rem;
}

.nav-link:hover, .nav-link:focus {
    border-color: var(--border) var(--border) var(--border);
}

.nav-link.active {
    color: var(--gold);
    background-color: var(--bg-card);
    border-color: var(--border) var(--border) transparent;
}

.card-header-tabs {
    margin-right: -0.625rem;
    margin-bottom: -0.75rem;
    margin-left: -0.625rem;
    border-bottom: 0;
}

/* Gestion des utilisateurs */
.user-info {
    margin-bottom: 20px;
}

.info-item {
    margin-bottom: 10px;
    display: flex;
}

.info-label {
    font-weight: bold;
    width: 150px;
}

.info-value {
    flex: 1;
}

.user-message {
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    padding: 10px;
    margin-bottom: 10px;
    white-space: pre-wrap;
}

.copy-btn {
    margin-top: 10px;
}

/* Thème selector */
.theme-selector {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.theme-selector input[type="radio"] {
    display: none;
}

.theme-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.theme-option.light {
    background-color: #f8f9fa;
    color: #212529;
}

.theme-option.dark {
    background-color: #1e1e1e;
    color: #e0e0e0;
}

.theme-selector input[type="radio"]:checked + .theme-option {
    border: 2px solid var(--gold);
    transform: scale(1.05);
}

.theme-option i {
    font-size: 24px;
    margin-bottom: 10px;
}

.theme-option.light i {
    color: #ffc107;
}

.theme-option.dark i {
    color: #6c757d;
}

/* Admin */
.admin-logo {
    max-width: 200px;
    max-height: 100px;
    display: block;
    margin: 0 auto 20px;
}

.current-logo {
    text-align: center;
    margin-bottom: 20px;
}

.markdown-buttons {
    margin-top: 10px;
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 768px) {
    .main-header {
        flex-direction: column;
        padding: 10px;
    }
    
    .header-left {
        margin-bottom: 10px;
    }
    
    .header-right {
        flex-direction: column;
        align-items: center;
    }
    
    .user-greeting {
        margin-right: 0;
        margin-bottom: 10px;
    }
    
    .header-actions {
        flex-direction: column;
        gap: 5px;
    }
    
    .main-nav ul {
        flex-direction: column;
    }
    
    .dashboard-stats {
        flex-direction: column;
    }
    
    .quota-row {
        flex-direction: column;
    }
    
    .remove-quota {
        position: static;
        margin-top: 10px;
    }
    
    .daily-quotas-grid {
        grid-template-columns: 1fr;
    }
    
    .quotas-grid {
        grid-template-columns: 1fr;
    }
}

/* Export buttons */
.export-buttons {
    display: flex;
    gap: 10px;
}