/* ==============================================
   RESPONSIVE STYLES
   - Mobile Optimizations
   - Tablet Adjustments
   ============================================== */

/* Mobile Optimizations */
@media (max-width: 768px) {
    .app-container {
        padding: 12px;
    }

    .header h1 {
        font-size: 2.2rem;
    }

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

    .replay-controls {
        padding: 20px;
    }

    .transcript-panel {
        width: 100%;
        top: 0;
        bottom: 0;
    }

    .message {
        max-width: 95%;
    }

    .podcast-player-view {
        padding: 16px 20px;
    }

    .waveform-container {
        height: 80px;
    }

    .play-pause-btn {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .player-btn.secondary {
        width: 40px;
        height: 40px;
    }

    .lyrics-line {
        font-size: 1.4rem;
    }

    .settings-card {
        padding: 24px;
        border-radius: 24px;
    }

    .settings-card h3 {
        font-size: 1.5rem;
    }

    .character-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 8px;
    }

    .character-card {
        padding: 8px;
    }

    .character-card .avatar {
        font-size: 1.5rem;
    }

    .character-card .name {
        font-size: 0.75rem;
    }

    .input-container {
        padding: 8px 16px 16px;
    }

    .input-wrapper input {
        padding: 12px 20px;
    }

    .send-btn {
        width: 48px;
        height: 48px;
    }

    .live-topic {
        max-width: 180px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .header {
        padding: 20px 0 10px;
    }

    .header h1 {
        font-size: 1.8rem;
    }

    .header p {
        font-size: 0.9rem;
    }

    .room-list-container {
        padding: 20px 16px 60px;
        gap: 20px;
    }

    .room-card {
        padding: 16px;
    }

    .room-title {
        font-size: 1rem;
    }

    .category-tab {
        padding: 6px 12px;
        font-size: 0.8rem;
    }

    .btn-primary,
    .btn-secondary {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .messages-container {
        padding: 80px 16px 20px;
        gap: 16px;
    }

    .message .avatar {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .message .bubble {
        padding: 12px 16px;
    }

    .message .sender {
        font-size: 0.75rem;
    }

    .message .content {
        font-size: 0.9rem;
    }
}

/* Tablet */
@media (min-width: 769px) and (max-width: 1024px) {
    .room-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .transcript-panel {
        width: 280px;
    }
}

/* Large Desktop */
@media (min-width: 1400px) {
    .app-container {
        max-width: 1400px;
    }

    .room-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}