:root {
    color-scheme: light;
    --pub-bg: #eef3f5;
    --pub-surface: #f8fbfc;
    --pub-surface-strong: #ffffff;
    --pub-border: #d5dee1;
    --pub-border-strong: #b6c5cb;
    --pub-text: #142227;
    --pub-muted: #657980;
    --pub-accent: #315c6b;
    --pub-accent-strong: #244754;
    --pub-shadow: 0 14px 34px rgba(20, 34, 39, 0.08);
    --editor-plain: #17313a;
    --editor-keyword: #2d5966;
    --editor-string: #7a4c34;
    --editor-number: #3d6a7d;
    --editor-comment: #7b8b90;
    --editor-type: #5e4e85;
    --editor-operator: #36505a;
    --editor-gutter-bg: #f1f6f7;
    --editor-gutter-text: #8a9ba2;
    --status-bg: rgba(255, 255, 255, 0.8);
    --status-border: rgba(182, 197, 203, 0.9);
    --status-time-bg: rgba(49, 92, 107, 0.08);
    --editor-font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    --editor-font-size: 14px;
    --editor-line-height: 22px;
    --editor-padding-y: 16px;
    --editor-padding-x: 18px;
}

html[data-theme="dark"] {
    color-scheme: dark;
    --pub-bg: #141b1d;
    --pub-surface: #1b2427;
    --pub-surface-strong: #202b2f;
    --pub-border: #2a373c;
    --pub-border-strong: #43565d;
    --pub-text: #eef5f7;
    --pub-muted: #aab8be;
    --pub-accent: #9ec4d2;
    --pub-accent-strong: #c2dde6;
    --pub-shadow: 0 18px 42px rgba(0, 0, 0, 0.34);
    --editor-plain: #eff6f8;
    --editor-keyword: #9cc5d2;
    --editor-string: #e2b390;
    --editor-number: #9ecde3;
    --editor-comment: #7f949b;
    --editor-type: #c5b2ff;
    --editor-operator: #bed0d7;
    --editor-gutter-bg: #182124;
    --editor-gutter-text: #6f848b;
    --status-bg: rgba(27, 36, 39, 0.92);
    --status-border: rgba(67, 86, 93, 0.95);
    --status-time-bg: rgba(158, 196, 210, 0.12);
}

body.pub-minimal-body {
    background: var(--pub-bg);
    color: var(--pub-text);
}

.pub-shell {
    width: min(920px, calc(100vw - 28px));
    margin: 0 auto;
    padding: 22px 0 20px;
    display: grid;
    gap: 14px;
}

.pub-panel,
.status-line {
    background: var(--pub-surface);
    border: 1px solid var(--pub-border);
    border-radius: 0;
    box-shadow: none;
}

.pub-header {
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

.brand-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.brand-icon {
    width: 34px;
    height: 34px;
    border-radius: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    flex: 0 0 auto;
    object-fit: contain;
}

.brand-copy {
    min-width: 0;
}

.brand-copy h1 {
    margin: 0;
    font-size: 1.05rem;
    letter-spacing: -0.03em;
}

.brand-note {
    margin: 2px 0 0;
    min-height: 1.1em;
    color: var(--pub-muted);
    font-size: 0.84rem;
}

.theme-toggle {
    min-width: 82px;
    padding: 10px 14px;
    border-radius: 0;
    border: 1px solid var(--pub-border-strong);
    background: var(--pub-surface-strong);
    color: var(--pub-text);
    box-shadow: none;
}

.pub-panel {
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

.editor-panel {
    padding: 12px;
    background: var(--pub-surface);
    border: 1px solid var(--pub-border);
}

.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.section-head h2 {
    margin: 0;
    font-size: 0.86rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--pub-muted);
}

.compact-head {
    margin-bottom: 10px;
}

.editor-actions {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 12px;
}

.run-button {
    min-width: 96px;
}

.editor-shell {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    min-height: 320px;
    border-radius: 0;
    border: 0;
    background: transparent;
    overflow: hidden;
}

.editor-line-numbers {
    box-sizing: border-box;
    display: block;
    margin: 0;
    padding: var(--editor-padding-y) 10px var(--editor-padding-y) 14px;
    min-width: 3.5rem;
    background: transparent;
    color: var(--editor-gutter-text);
    border: 0;
    border-right: 0;
    border-radius: 0;
    box-shadow: none;
    outline: none;
    font-family: var(--editor-font-family);
    font-size: var(--editor-font-size);
    line-height: var(--editor-line-height);
    text-align: right;
    user-select: none;
    overflow: hidden;
    font-variant-ligatures: none;
    font-variant-numeric: tabular-nums;
}

pre.editor-line-numbers,
pre.editor-highlight {
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    outline: none !important;
}

.editor-code-pane {
    position: relative;
    min-width: 0;
    background: var(--pub-surface-strong);
}

.editor-highlight,
.editor-input {
    box-sizing: border-box;
    display: block;
    margin: 0;
    width: 100%;
    min-height: 320px;
    padding: var(--editor-padding-y) var(--editor-padding-x);
    border: 0;
    border-radius: 0;
    font-family: var(--editor-font-family);
    font-size: var(--editor-font-size);
    line-height: var(--editor-line-height);
    letter-spacing: 0;
    tab-size: 4;
    white-space: pre;
    overflow-wrap: normal;
    overflow: auto;
    font-variant-ligatures: none;
}

.editor-highlight {
    pointer-events: none;
    color: var(--editor-plain);
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    outline: none;
}

.editor-input {
    position: absolute;
    inset: 0;
    resize: none;
    background: transparent;
    color: transparent;
    caret-color: var(--pub-text);
    -webkit-text-fill-color: transparent;
    box-shadow: none;
    outline: none;
}

.editor-input::selection {
    background: rgba(90, 128, 143, 0.28);
}

.editor-input::-webkit-scrollbar,
.editor-highlight::-webkit-scrollbar,
.result-box::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

.editor-input::-webkit-scrollbar-thumb,
.editor-highlight::-webkit-scrollbar-thumb,
.result-box::-webkit-scrollbar-thumb {
    background: var(--pub-border-strong);
    border-radius: 999px;
    border: 3px solid transparent;
    background-clip: padding-box;
}

.value-panel,
.output-panel {
    padding: 0;
    background: transparent;
    border: 0;
}

.result-box {
    min-height: 72px;
    max-height: 280px;
    overflow: auto;
    margin: 0;
    padding: 14px 16px;
    border-radius: 0;
    border: 0;
    background: var(--pub-surface-strong);
    color: var(--pub-text);
    box-shadow: none;
}

.status-line {
    padding: 12px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 48px;
    background: var(--status-bg);
    border-color: var(--status-border);
    color: var(--pub-text);
    font-weight: 600;
}

.status-time {
    flex: 0 0 auto;
    padding: 4px 8px;
    border-radius: 999px;
    background: var(--status-time-bg);
    color: var(--pub-muted);
    font-size: 0.74rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.06em;
}

.status-text {
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tok-keyword { color: var(--editor-keyword); }
.tok-string { color: var(--editor-string); }
.tok-number { color: var(--editor-number); }
.tok-comment { color: var(--editor-comment); }
.tok-type { color: var(--editor-type); }
.tok-operator { color: var(--editor-operator); }

@media (max-width: 640px) {
    .pub-shell {
        width: min(100vw - 16px, 920px);
        padding-top: 12px;
        gap: 10px;
    }

    .pub-header,
    .pub-panel,
    .status-line {
        padding-left: 12px;
        padding-right: 12px;
    }

    .editor-panel {
        padding: 12px;
    }

    .value-panel,
    .output-panel {
        padding-left: 0;
        padding-right: 0;
    }

    .pub-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .theme-toggle,
    .run-button {
        width: 100%;
    }

    .editor-shell {
        grid-template-columns: 3rem minmax(0, 1fr);
    }

    .editor-line-numbers {
        padding-left: 8px;
        padding-right: 8px;
        min-width: 3rem;
    }

    .editor-highlight,
    .editor-input {
        padding-left: 12px;
        padding-right: 12px;
    }

    .status-line {
        flex-wrap: wrap;
        align-items: flex-start;
    }
}