/* Telegram Web App Styles - Multi-page Layout */
:root {
    --tg-theme-bg-color: #ffffff;
    --tg-theme-text-color: #000000;
    --tg-theme-hint-color: #999999;
    --tg-theme-link-color: #2481cc;
    --tg-theme-button-color: #2481cc;
    --tg-theme-button-text-color: #ffffff;
    --tg-theme-secondary-bg-color: #f7f7f7;

    --primary-color: #007bff;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.screen { min-height: 100vh; display: flex; flex-direction: column; }
.hidden { display: none !important; }

/* --- Loading Screen --- */
#loading, #errorScreen { justify-content: center; align-items: center; text-align: center; padding: 20px; }
.loading-spinner { width: 50px; height: 50px; border: 4px solid var(--tg-theme-secondary-bg-color); border-top-color: var(--tg-theme-button-color); border-radius: 50%; animation: spin 1s linear infinite; margin-bottom: 20px; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-status { margin-top: 15px; font-size: 14px; color: var(--tg-theme-hint-color); }

/* --- Main App Layout --- */
#mainApp { display: flex; flex-direction: column; height: 100vh; }
header {
    display: flex; justify-content: space-between; align-items: center; padding: 12px 16px;
    background-color: var(--tg-theme-secondary-bg-color);
    border-bottom: 1px solid #e0e0e0;
    flex-shrink: 0;
}
.user-info { display: flex; align-items: center; gap: 12px; }
.user-avatar { width: 40px; height: 40px; border-radius: 50%; background: #ccc; display: flex; align-items: center; justify-content: center; font-weight: 700; color: #fff; background-size: cover; background-position: center; }
.user-avatar.has-image { color: transparent; }
#userName { font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.role-badge { background: var(--tg-theme-button-color); color: var(--tg-theme-button-text-color); padding: 4px 10px; border-radius: 12px; font-size: 12px; font-weight: 600; }
.icon-btn { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--tg-theme-hint-color); transition: var(--transition); }
.icon-btn:hover { color: var(--tg-theme-text-color); transform: rotate(180deg); }

main { flex-grow: 1; overflow-y: auto; padding: 16px; }
.view { display: none; animation: fadeIn 0.3s; }
.view.active { display: block; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* --- Navigation --- */
#bottomNav {
    display: flex; justify-content: space-around; padding: 8px 0;
    background-color: var(--tg-theme-secondary-bg-color);
    border-top: 1px solid #e0e0e0;
    flex-shrink: 0;
}
.nav-btn { background: none; border: none; font-size: 24px; cursor: pointer; color: var(--tg-theme-hint-color); padding: 8px 16px; border-radius: 8px; transition: var(--transition); }
.nav-btn.active { color: var(--tg-theme-button-color); }
.nav-btn:hover { background-color: rgba(0,0,0,0.05); }

/* --- Home View --- */
h2 { font-size: 22px; font-weight: 700; margin-bottom: 16px; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 24px; }
.stat-card { background: var(--tg-theme-secondary-bg-color); border-radius: 12px; padding: 16px; text-align: center; box-shadow: var(--shadow-sm); }
.stat-value { display: block; font-size: 24px; font-weight: 700; color: var(--tg-theme-button-color); }
.stat-label { font-size: 12px; color: var(--tg-theme-hint-color); }
.games-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 16px; }
.game-card { background: var(--tg-theme-secondary-bg-color); border-radius: 12px; padding: 16px; text-align: center; cursor: pointer; transition: var(--transition); box-shadow: var(--shadow-sm); position: relative; }
.game-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.game-icon { font-size: 40px; margin-bottom: 8px; }
.game-name { font-weight: 600; margin-bottom: 4px; }
.favorite-star { position: absolute; top: 8px; right: 8px; font-size: 20px; color: #ffc107; }

/* --- Profile View --- */
.profile-card { background: var(--tg-theme-secondary-bg-color); border-radius: 12px; padding: 20px; box-shadow: var(--shadow-sm); }
.profile-card p { margin-bottom: 12px; font-size: 16px; }
.logout-btn { background-color: var(--danger-color); color: white; border: none; border-radius: 8px; padding: 12px 20px; font-weight: 600; cursor: pointer; width: 100%; margin-top: 16px; }

/* --- Forms & Lists --- */
.form-layout, .list-layout { display: flex; flex-direction: column; gap: 12px; }
input[type="text"], input[type="url"], textarea {
    width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 8px;
    background-color: var(--tg-theme-bg-color); color: var(--tg-theme-text-color);
    font-size: 16px;
}
.submit-btn { background-color: var(--tg-theme-button-color); color: var(--tg-theme-button-text-color); border: none; border-radius: 8px; padding: 14px; font-weight: 600; font-size: 16px; cursor: pointer; }

/* --- Moderation Queue --- */
.queue-item { background: var(--tg-theme-secondary-bg-color); border-radius: 12px; padding: 16px; box-shadow: var(--shadow-sm); }
.queue-item h3 { font-size: 18px; margin-bottom: 8px; }
.queue-item p { font-size: 14px; color: var(--tg-theme-hint-color); margin-bottom: 12px; }
.queue-actions { display: flex; gap: 10px; }
.approve-btn, .reject-btn { flex: 1; border: none; border-radius: 8px; padding: 10px; font-weight: 600; cursor: pointer; }
.approve-btn { background-color: var(--success-color); color: white; }
.reject-btn { background-color: var(--danger-color); color: white; }

/* --- Admin Analytics --- */
.analytics-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 24px; }
.analytics-card { background: var(--tg-theme-secondary-bg-color); border-radius: 12px; padding: 16px; text-align: center; box-shadow: var(--shadow-sm); }
.analytics-card h3 { font-size: 14px; color: var(--tg-theme-hint-color); margin-bottom: 4px; }
.analytics-card p { font-size: 24px; font-weight: 700; }
.chart-container { background: var(--tg-theme-secondary-bg-color); border-radius: 12px; padding: 16px; box-shadow: var(--shadow-sm); }

/* --- Modal --- */
.modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); display: flex; justify-content: center; align-items: center; z-index: 1000; }
.modal-content { background: var(--tg-theme-bg-color); border-radius: 16px; max-width: 400px; width: 90%; box-shadow: var(--shadow-md); animation: slideIn 0.3s; }
@keyframes slideIn { from { transform: translateY(30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 16px; border-bottom: 1px solid #e0e0e0; }
.modal-header h3 { margin: 0; }
.close-btn { background: none; border: none; font-size: 24px; cursor: pointer; color: var(--tg-theme-hint-color); }
.modal-body { padding: 16px; }
.modal-actions { display: flex; gap: 12px; margin-top: 16px; }
.play-btn, .favorite-btn { flex: 1; border: none; border-radius: 8px; padding: 12px; font-weight: 600; cursor: pointer; }
.play-btn { background-color: var(--success-color); color: white; }
.favorite-btn { background-color: #ffc107; color: #333; }

/* --- Error Screen --- */
.error-content { background: var(--tg-theme-secondary-bg-color); border-radius: 16px; padding: 32px; box-shadow: var(--shadow-md); max-width: 400px; width: 90%; }
.error-content h2 { color: var(--danger-color); }
.retry-btn { background-color: var(--tg-theme-button-color); color: var(--tg-theme-button-text-color); border: none; border-radius: 8px; padding: 12px 24px; font-weight: 600; cursor: pointer; margin-top: 16px; }

/* --- Utility & Responsive --- */
.hidden { display: none !important; }
.loading-text { text-align: center; color: var(--tg-theme-hint-color); padding: 20px; }

@media (max-width: 480px) {
    .stats-grid, .analytics-grid { grid-template-columns: 1fr; }
    .games-grid { grid-template-columns: repeat(2, 1fr); }
}