:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --background: #f9fafb;
    --card-bg: #ffffff;
    --text: #111827;
    --text-secondary: #6b7280;
    --border: #e5e7eb;
    --shadow: rgba(0, 0, 0, 0.05);
    --input-bg: #ffffff;
    --input-border: #d1d5db;
}

/* Thème sombre */
[data-theme="dark"] {
    --primary: #818cf8;
    --primary-dark: #6366f1;
    --secondary: #a78bfa;
    --success: #34d399;
    --danger: #f87171;
    --warning: #fbbf24;
    --background: #0f172a;
    --card-bg: #1e293b;
    --text: #f1f5f9;
    --text-secondary: #94a3b8;
    --border: #334155;
    --shadow: rgba(0, 0, 0, 0.3);
    --input-bg: #1e293b;
    --input-border: #475569;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
        Ubuntu, Cantarell, sans-serif;
    background: var(--background);
    color: var(--text);
    line-height: 1.6;
    padding-bottom: 80px;
    transition: background 0.3s, color 0.3s;
}

.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 400px;
}

.auth-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 40px 30px;
    box-shadow: 0 4px 20px var(--shadow);
    border: 1px solid var(--border);
}

.auth-card h1 {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 10px;
    color: var(--primary);
}

.auth-card h2 {
    font-size: 20px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 30px;
    color: var(--text-secondary);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--input-border);
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.2s ease;
    background: var(--input-bg);
    color: var(--text);
}

.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--background);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group small {
    font-size: 12px;
    color: var(--text-secondary);
}

.btn {
    padding: 14px 28px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

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

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

.auth-link {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: var(--text-secondary);
}

.auth-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}

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

.alert-error {
    background: rgba(255, 59, 48, 0.15);
    color: var(--danger);
    border: 1px solid rgba(255, 59, 48, 0.4);
}

.alert-success {
    background: rgba(52, 199, 89, 0.15);
    color: var(--success);
    border: 1px solid rgba(52, 199, 89, 0.4);
}

.header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.header-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.header-user {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Nouveaux styles pour le header avec thème toggle */
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-toggle {
    background: var(--background);
    border: 2px solid var(--border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 18px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.theme-toggle:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: rotate(20deg) scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.theme-toggle:hover .theme-icon {
    color: white;
}

.theme-icon {
    transition: color 0.2s ease;
}

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

.container {
    width: 100%;
}

.card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 16px var(--shadow);
    margin-bottom: 24px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--shadow);
}

.card h2,
.card h3 {
    margin-bottom: 16px;
    font-weight: 600;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 700;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.card-icon {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--primary);
    opacity: 0.9;
}

.big-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    margin: 8px 0;
}

.transaction-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 16px;
}

.transaction-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--background);
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: all 0.2s ease;
}

.transaction-item:hover {
    border-color: var(--primary);
}

.transaction-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.transaction-type {
    font-weight: 600;
    font-size: 14px;
    color: var(--text);
}

.transaction-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

.transaction-date {
    font-size: 12px;
    color: var(--text-secondary);
    opacity: 0.8;
}

.transaction-amount {
    font-weight: 700;
    font-size: 18px;
    margin-left: 16px;
    white-space: nowrap;
}

.transaction-amount.positive {
    color: var(--success);
}

.transaction-amount.negative {
    color: var(--danger);
}

.quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 32px;
}

.card-link {
    text-decoration: none;
    color: var(--text);
    transition: all 0.2s ease;
    cursor: pointer;
    text-align: center;
}

.card-link:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
}

.card-link .card-icon {
    margin: 0 auto 12px;
    display: flex;
    justify-content: center;
}

.card-link h3 {
    margin-bottom: 8px;
}

.card-link p {
    color: var(--text-secondary);
    font-size: 14px;
}

.teams-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.team-card h3 {
    font-size: 18px;
    margin-bottom: 16px;
}

.team-players {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.player {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.player-icon {
    font-size: 20px;
}

.team-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.form-actions .btn {
    flex: 1;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 300px;
    overflow-y: auto;
    padding: 12px;
    background: var(--background);
    border-radius: 12px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
}

.tournaments-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}

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

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

.bracket-container {
    display: flex;
    gap: 60px;
    overflow-x: auto;
    padding: 40px 20px;
    position: relative;
    align-items: center;
}

.bracket-round {
    display: flex;
    flex-direction: column;
    gap: 40px;
    min-width: 280px;
    position: relative;
}

.bracket-round h3 {
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 20px;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.bracket-match {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 16px;
    border: 2px solid var(--border);
    position: relative;
    transition: all 0.3s ease;
}

.bracket-match:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px var(--shadow);
}

.bracket-team {
    padding: 14px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 8px;
    margin-bottom: 8px;
    background: var(--background);
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.bracket-team:last-of-type {
    margin-bottom: 0;
}

.bracket-team.winner {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
    border-color: var(--success);
    font-weight: 600;
}

.team-name {
    font-size: 15px;
    font-weight: 500;
}

.team-score {
    font-weight: 700;
    font-size: 18px;
    color: var(--primary);
    min-width: 30px;
    text-align: right;
}

.match-status {
    text-align: center;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 12px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Case du vainqueur */
.bracket-winner {
    min-width: 250px;
}

.winner-box {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.2) 0%, rgba(255, 215, 0, 0.05) 100%);
    border: 3px solid #FFD700;
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 150px;
}

.trophy-icon {
    font-size: 48px;
    margin-bottom: 16px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.winner-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.matches-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.match-card {
    padding: 16px;
}

.match-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.tournament-badge {
    font-size: 12px;
    padding: 4px 12px;
    background: var(--primary);
    color: white;
    border-radius: 20px;
    font-weight: 600;
}

.status-badge {
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
}

.status-badge.status-pending {
    background: rgba(255, 149, 0, 0.1);
    color: var(--warning);
}

.status-badge.status-in_progress {
    background: rgba(0, 122, 255, 0.1);
    color: var(--primary);
}

.status-badge.status-finished {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success);
}

.status-badge.status-won {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success);
}

.status-badge.status-lost {
    background: rgba(255, 59, 48, 0.1);
    color: var(--danger);
}

.match-teams {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 16px 0;
}

.match-team {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--background);
    border-radius: 12px;
}

.match-team.winner {
    background: rgba(52, 199, 89, 0.1);
    font-weight: 700;
}

.vs {
    font-weight: 700;
    color: var(--text-secondary);
}

.match-winner {
    text-align: center;
    margin: 12px 0;
    font-weight: 600;
    color: var(--success);
}

.match-date {
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 8px;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 32px;
    max-width: 400px;
    width: 100%;
    position: relative;
    box-shadow: 0 20px 40px var(--shadow);
    border: 1px solid var(--border);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: var(--danger);
}

.modal h2 {
    margin-bottom: 24px;
    font-size: 24px;
    font-weight: 600;
}

.bets-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.bet-card {
    padding: 16px;
}

.bet-header {
    margin-bottom: 12px;
}

.bet-teams {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 16px 0;
}

.bet-team-button {
    flex: 1;
    padding: 20px;
    background: var(--background);
    border: 2px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: center;
}

.bet-team-button:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.bet-team-button:hover .team-odds {
    color: white;
}

.team-odds {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    transition: color 0.2s ease;
}

.bets-history-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.bet-history-card {
    padding: 16px;
}

.bet-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.bet-history-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.bet-history-info p {
    font-size: 14px;
}

.bet-win {
    color: var(--success);
    font-weight: 700;
}

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

.stats-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stats-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
}

.stats-rank {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.stats-info {
    flex: 1;
}

.team-players-small {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

.stats-numbers {
    display: flex;
    gap: 20px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

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

.stat-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.matches-history {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.match-history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--background);
    border-radius: 12px;
}

.match-history-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

.result-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.result-badge.win {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success);
}

.result-badge.loss {
    background: rgba(255, 59, 48, 0.1);
    color: var(--danger);
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--card-bg);
    box-shadow: 0 -2px 10px var(--shadow);
    display: flex;
    justify-content: space-around;
    padding: 8px 0;
    z-index: 100;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    text-decoration: none;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    border-radius: 12px;
}

.nav-item:hover {
    color: var(--primary);
    background: rgba(0, 122, 255, 0.1);
}

.nav-item.active {
    color: var(--primary);
    background: rgba(0, 122, 255, 0.15);
}

.nav-icon {
    font-size: 24px;
    transition: transform 0.2s ease;
}

.nav-item:hover .nav-icon {
    transform: scale(1.1);
}

.nav-label {
    font-size: 10px;
    font-weight: 600;
}

.error-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
}

.error-container {
    padding: 40px;
}

.error-container h1 {
    font-size: 72px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
}

.error-container h2 {
    font-size: 24px;
    margin-bottom: 12px;
}

.error-container p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

@media (max-width: 768px) {
    .stats-numbers {
        flex-direction: column;
        gap: 12px;
    }

    .match-teams {
        flex-direction: column;
    }

    .bet-teams {
        flex-direction: column;
    }

    .bracket-container {
        flex-direction: column;
    }

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

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


/* Styles pour la boutique */
.shop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.shop-packages {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 16px 0;
}

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

.table-responsive {
    overflow-x: auto;
}

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

.table thead {
    background: var(--background);
}

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

.table th {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-secondary);
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success);
}

.badge-warning {
    background: rgba(255, 149, 0, 0.1);
    color: var(--warning);
}

.badge-danger {
    background: rgba(255, 59, 48, 0.1);
    color: var(--danger);
}

.badge-info {
    background: rgba(0, 122, 255, 0.1);
    color: var(--primary);
}

/* Styles pour les joueurs */
.players-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.player-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
}

.player-info h3 {
    font-size: 18px;
    margin-bottom: 0;
}

.player-actions {
    display: flex;
    gap: 8px;
}

/* Autocomplete pour recherche */
.autocomplete {
    position: relative;
}

.autocomplete-items {
    position: absolute;
    border: 1px solid var(--border);
    border-radius: 8px;
    z-index: 99;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-bg);
    max-height: 250px;
    overflow-y: auto;
    margin-top: 4px;
    box-shadow: 0 4px 12px var(--shadow);
    display: none;
}

.autocomplete-item {
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    transition: all 0.2s ease;
    font-size: 14px;
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover {
    background: var(--background);
    color: var(--primary);
    font-weight: 500;
}

.autocomplete-active {
    background: var(--primary) !important;
    color: white;
}

/* Am�lioration des checkboxes */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    max-height: 400px;
    overflow-y: auto;
    padding: 16px;
    background: var(--background);
    border-radius: 12px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
}

.checkbox-label:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.checkbox-label input[type="checkbox"]:checked + span {
    font-weight: 700;
    color: var(--primary);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* Am�lioration responsive */
@media (max-width: 480px) {
    .shop-packages {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    
    .header-actions {
        flex-direction: row-reverse;
    }
}