.emulator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    height: calc(100vh - var(--header-height));
    padding: 1rem 2rem 2rem;
    overflow: hidden;
}

.editor-pane,
.preview-pane {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    height: 100%;
    overflow: hidden;
}

.code-editor {
    flex: 1;
    background: var(--bg-sidebar);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: #d4d4d8;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 14px;
    padding: 1rem;
    resize: none;
    line-height: 1.5;
    tab-size: 4;
}

.code-editor:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent-glow);
}

.control-bar {
    display: flex;
    gap: 0.5rem;
    background: var(--bg-surface);
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    align-items: center;
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
    min-width: 120px;
}

.control-group label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    border: none;
    padding: 0;
    margin: 0;
}

.control-input {
    background: var(--bg-base);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.5rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    width: 100%;
}

.btn-run {
    background: var(--accent);
    color: white;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    height: 40px;
    align-self: flex-end;
    transition: 0.2s;
}

.btn-run:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 0.5rem;
    overflow-x: auto;
    scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    font-weight: 500;
    white-space: nowrap;
    transition: 0.2s;
}

.tab-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.output-area {
    flex: 1;
    background: var(--bg-sidebar);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: auto;
    padding: 1rem;
    position: relative;
}

pre {
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
    color: #a5b4fc;
}

.visual-card {
    display: inline-flex;
    flex-direction: column;
    width: 150px;
    margin: 0.5rem;
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
    vertical-align: top;
}

.visual-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: #27272a;
}

.visual-card .title {
    padding: 0.5rem;
    font-size: 0.8rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.visual-chapter {
    padding: 0.5rem;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
}

.visual-chapter:hover {
    background: var(--bg-surface-hover);
}

.log-entry {
    font-family: monospace;
    border-bottom: 1px solid var(--border);
    padding: 2px 0;
}

.log-info {
    color: #60a5fa;
}

.log-warn {
    color: #facc15;
}

.log-error {
    color: #f87171;
}

.loading-state {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--text-secondary);
}

.loading-state.hidden {
    display: none;
}

@media (max-width: 767px) {
    .emulator-container {
        grid-template-columns: 1fr;
        grid-template-rows: minmax(220px, 35vh) 1fr;
        gap: 1rem;
        padding: 0.75rem;
        height: auto;
        min-height: calc(100vh - var(--header-height));
        overflow: visible;
    }

    #mobile-controls-toggle {
        display: block !important;
        width: 100%;
    }

    #desktop-controls {
        display: none;
    }

    .control-bar {
        padding: 0.75rem;
        justify-content: center;
    }

    .tabs {
        flex-shrink: 0;
    }

    #visual-container {
        display: flex;
        flex-wrap: wrap;
        justify-content: flex-start;
        gap: 0.75rem;
        padding: 0.5rem 0;
    }

    .visual-card {
        width: calc(50% - 0.375rem);
        max-width: 180px;
        margin: 0;
    }

    .visual-card img {
        height: 220px;
    }

    .visual-card .title {
        font-size: 0.8rem;
        padding: 0.45rem;
    }

    .visual-chapter {
        padding: 0.85rem 0.75rem;
        font-size: 0.95rem;
    }

    #console-content,
    #json-content pre {
        font-size: 0.82rem;
        line-height: 1.4;
    }

    .loading-state {
        font-size: 1rem;
    }

    .editor-pane,
    .preview-pane {
        gap: 0.75rem;
        height: auto;
        min-height: 0;
        overflow: visible;
    }

    .editor-pane {
        display: flex;
        flex-direction: column;
    }

    .preview-pane {
        display: flex;
        flex-direction: column;
        height: auto;
        min-height: 0;
    }

    .preview-pane > div:nth-child(2) {
        flex: 1;
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }

    .code-editor {
        min-height: 200px;
        max-height: 40vh;
        font-size: 13px;
        padding: 0.75rem;
    }

    .control-bar {
        padding: 0.75rem;
        gap: 0.5rem;
        flex-direction: column;
        align-items: stretch;
    }

    .control-bar[style*="background: transparent"] {
        flex-direction: row !important;
        padding: 0 !important;
    }

    .control-group {
        flex: unset;
        width: 100%;
        min-width: 0;
    }

    .control-group:has(label:contains("Page")) {
        max-width: none;
    }

    .control-input {
        font-size: 0.85rem;
        padding: 0.6rem;
    }

    .btn-run {
        width: 100%;
        height: auto;
        padding: 0.75rem;
        align-self: stretch;
        margin-top: 0.25rem;
    }

    .tabs {
        gap: 0.25rem;
        margin-bottom: 0.5rem;
    }

    .tab-btn {
        padding: 0.6rem 0.75rem;
        font-size: 0.85rem;
        flex: 1;
        text-align: center;
    }

    .output-area {
        flex: 1;
        overflow-y: auto !important;
        min-height: 300px;
        padding: 0.75rem;
    }

    .visual-card {
        width: 130px;
        margin: 0.35rem;
    }

    .visual-card img {
        height: 170px;
    }

    .visual-card .title {
        font-size: 0.75rem;
        padding: 0.4rem;
    }

    .visual-chapter {
        padding: 0.6rem 0.5rem;
        font-size: 0.9rem;
    }

    pre {
        font-size: 0.8rem;
    }

    .log-entry {
        font-size: 0.8rem;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .emulator-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
        gap: 1.25rem;
        padding: 1rem 1.5rem;
    }

    .editor-pane {
        max-height: 35vh;
    }

    .preview-pane {
        min-height: 45vh;
    }

    .code-editor {
        font-size: 13px;
    }

    .control-bar {
        flex-wrap: wrap;
    }

    .control-group {
        min-width: 140px;
    }

    .btn-run {
        width: auto;
        min-width: 100px;
    }
}

@media (min-width: 1024px) and (max-width: 1279px) {
    .emulator-container {
        gap: 1.25rem;
    }

    .visual-card {
        width: 140px;
    }

    .visual-card img {
        height: 180px;
    }
}

.control-group-wrapper {
    display: flex;
    gap: 0.5rem;
    align-items: end;
    flex-wrap: wrap;
    width: 100%;
}

#mobile-controls-drawer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    padding: 1rem;
    transform: translateY(100%);
    transition: transform 0.25s ease;
    z-index: 1000;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
}

#mobile-controls-drawer.open {
    transform: translateY(0);
}

#mobile-controls-drawer .control-group-wrapper {
    flex-direction: column;
    gap: 1rem;
}

#mobile-controls-drawer .control-group {
    min-width: 0;
}

#mobile-controls-drawer .btn-run {
    width: 100%;
    margin-top: 0.5rem;
}

#mobile-controls-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s;
    z-index: 999;
}

#mobile-controls-overlay.open {
    opacity: 1;
    pointer-events: auto;
}