.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    position: relative;
    z-index: 1;
}

main {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    min-height: 600px;
}

@media (min-width: 1024px) {
    main {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
        align-items: stretch;
    }

    .input-section, .player-section {
        height: 100%;
        display: flex;
        flex-direction: column;
    }

    .input-section textarea {
        flex: 1;
        min-height: 200px;
    }

    .player-section {
        display: flex;
        flex-direction: column;
    }

    .audio-controls {
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .wave-container {
        flex: 1;
        min-height: 200px;
    }
}

.input-section, .player-section {
    background: var(--surface);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
                0 2px 4px -1px rgba(0, 0, 0, 0.06);
}