:root {
    --ascii-fg: #22150D;
    --bg-page: #ebe3d0;
    --bg-panel: rgba(255, 255, 255, 0.25);
    --border-soft: rgba(34, 21, 13, 0.2);
    --border-soft-2: rgba(34, 21, 13, 0.15);
    --control-bg: #f3ecdc;
    --text-ui: #22150D;
}

:root[data-theme="forest"] {
    --ascii-fg: #D8E9D2;
    --bg-page: #1f3a2f;
    --bg-panel: rgba(16, 34, 27, 0.45);
    --border-soft: rgba(216, 233, 210, 0.28);
    --border-soft-2: rgba(216, 233, 210, 0.22);
    --control-bg: #2b4a3d;
    --text-ui: #D8E9D2;
}

:root[data-theme="night"] {
    --ascii-fg: #CDE3FF;
    --bg-page: #0f172a;
    --bg-panel: rgba(23, 36, 66, 0.45);
    --border-soft: rgba(205, 227, 255, 0.26);
    --border-soft-2: rgba(205, 227, 255, 0.2);
    --control-bg: #1e2a44;
    --text-ui: #CDE3FF;
}

:root[data-theme="sand"] {
    --ascii-fg: #22150D;
    --bg-page: #ebe3d0;
    --bg-panel: rgba(255, 255, 255, 0.25);
    --border-soft: rgba(34, 21, 13, 0.2);
    --border-soft-2: rgba(34, 21, 13, 0.15);
    --control-bg: #f3ecdc;
    --text-ui: #22150D;
}

:root[data-theme="sunset"] {
    --ascii-fg: #FFE3D2;
    --bg-page: #3d1f2e;
    --bg-panel: rgba(77, 36, 57, 0.45);
    --border-soft: rgba(255, 227, 210, 0.26);
    --border-soft-2: rgba(255, 227, 210, 0.2);
    --control-bg: #5a2b43;
    --text-ui: #FFE3D2;
}

html, body {
    margin: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: var(--bg-page);
}

body {
    display: grid;
    grid-template-rows: auto 1fr;
    padding: 10px;
    gap: 10px;
    box-sizing: border-box;
}

.compare-grid {
    min-height: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.page-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    font: 13px/1.2 system-ui, -apple-system, sans-serif;
    color: var(--text-ui);
}

.page-controls select,
.panel-controls select {
    font: inherit;
    color: inherit;
    background: var(--control-bg);
    border: 1px solid var(--border-soft);
    padding: 4px 6px;
}

.panel {
    min-height: 0;
    display: grid;
    grid-template-rows: auto 1fr;
    border: 1px solid var(--border-soft);
    background: var(--bg-panel);
}

.panel-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    font: 12px/1.2 system-ui, -apple-system, sans-serif;
    color: var(--text-ui);
    border-bottom: 1px solid var(--border-soft-2);
}

.ascii-embed {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    min-height: 0;
}

.ascii-canvas {
    display: block;
    width: 100%;
    height: 100%;
    color: var(--ascii-fg);
    font: 11px/1.45 monospace;
}