.knmt-wrap {
    --knmt-bg: #f7f4ef;
    --knmt-card: #ffffff;
    --knmt-ink: #24211e;
    --knmt-muted: #706b64;
    --knmt-line: #d8d0c7;
    --knmt-dark: #171513;
    --knmt-paper: #fbfaf7;
    --knmt-accent: #9b5f35;
    font-family: inherit;
    color: var(--knmt-ink);
    background: var(--knmt-bg);
    border: 1px solid var(--knmt-line);
    border-radius: 18px;
    padding: 18px;
    box-sizing: border-box;
    max-width: 1180px;
    margin: 24px auto;
}

.knmt-wrap * { box-sizing: border-box; }

.knmt-header {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 14px;
}

.knmt-header h2 {
    margin: 0 0 6px;
    font-size: clamp(1.35rem, 2vw, 2rem);
    line-height: 1.1;
}

.knmt-header p {
    margin: 0;
    color: var(--knmt-muted);
    max-width: 760px;
}

.knmt-score-pill {
    min-width: 108px;
    padding: 10px 14px;
    background: var(--knmt-dark);
    color: white;
    border-radius: 14px;
    text-align: center;
    line-height: 1.1;
}

.knmt-wrap .kn-lab-header {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    align-items: flex-start;
    padding: 1rem 1.15rem;
    margin-bottom: 1rem;
}

.knmt-wrap .kn-lab-suite-kicker {
    display: inline-flex;
    margin-bottom: 0.25rem;
    color: rgb(229, 191, 95);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.11em;
    line-height: 1.2;
    text-transform: uppercase;
}

.knmt-wrap .kn-lab-title {
    margin: 0;
    color: #f7f3ea;
    font-size: clamp(1.35rem, 2vw, 1.9rem);
    font-weight: 800;
    line-height: 1.1;
}

.knmt-wrap .kn-lab-subtitle {
    max-width: 76ch;
    margin: 0;
    color: #c8c0b2;
    font-size: 0.95rem;
    line-height: 1.45;
}

.knmt-score-label {
    display: block;
    font-size: 0.75rem;
    opacity: 0.75;
    margin-bottom: 4px;
}

.knmt-score-pill strong {
    font-size: 1.4rem;
}

.knmt-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin: 12px 0;
}

.knmt-button {
    border: 1px solid var(--knmt-dark);
    background: white;
    color: var(--knmt-dark);
    border-radius: 999px;
    padding: 9px 14px;
    cursor: pointer;
    font: inherit;
    line-height: 1;
}

.knmt-button:hover:not(:disabled),
.knmt-button:focus-visible:not(:disabled) {
    transform: translateY(-1px);
}

.knmt-button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.knmt-primary {
    background: var(--knmt-dark);
    color: white;
}

.knmt-toggle {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--knmt-muted);
    font-size: 0.93rem;
    cursor: pointer;
}

.knmt-challenge-card {
    background: var(--knmt-card);
    border: 1px solid var(--knmt-line);
    border-radius: 14px;
    padding: 13px 15px;
    margin: 12px 0 16px;
}

.knmt-kicker {
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--knmt-muted);
    font-size: 0.72rem;
    margin-bottom: 4px;
}

.knmt-challenge-card strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 2px;
}

.knmt-challenge-card p { margin: 0; color: var(--knmt-muted); }

.knmt-admin-panel {
    background: #f1f7f5;
    border: 1px solid #b9d4ca;
    border-radius: 14px;
    padding: 13px 15px;
    margin: 12px 0 16px;
}

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

.knmt-admin-head strong {
    display: block;
}

.knmt-admin-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.knmt-admin-field {
    display: grid;
    gap: 5px;
    margin-bottom: 10px;
    font-weight: 700;
}

.knmt-admin-field select {
    width: 100%;
    border: 1px solid var(--knmt-line);
    border-radius: 8px;
    padding: 8px 10px;
    font: inherit;
    background: white;
    color: var(--knmt-ink);
}

.knmt-admin-coordinates {
    color: var(--knmt-muted);
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    font-size: 0.86rem;
    margin-bottom: 8px;
}

.knmt-admin-output {
    width: 100%;
    min-height: 210px;
    resize: vertical;
    border: 1px solid #b9d4ca;
    border-radius: 10px;
    padding: 10px;
    font: 0.86rem/1.45 ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    color: var(--knmt-ink);
    background: white;
}

.knmt-wrap[data-knmt-admin="1"] [data-knmt-reference] {
    cursor: crosshair;
}

.knmt-stage {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.knmt-panel {
    background: var(--knmt-card);
    border: 1px solid var(--knmt-line);
    border-radius: 16px;
    padding: 12px;
    min-width: 0;
}

.knmt-panel-title {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 10px;
}

.knmt-panel-title span {
    font-weight: 700;
}

.knmt-panel-title small {
    color: var(--knmt-muted);
}

.knmt-background-options {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.knmt-radio {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    user-select: none;
    font-size: 0.93rem;
}

.knmt-radio input[type="radio"] {
    cursor: pointer;
    width: 18px;
    height: 18px;
}

.knmt-radio span {
    color: var(--knmt-ink);
    font-weight: 500;
}

.knmt-radio em {
    display: inline-block;
    color: var(--knmt-muted);
    font-style: normal;
    font-size: 0.85rem;
    margin-left: 4px;
}

.knmt-canvas-shell {
    position: relative;
    background: #eee9e2;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--knmt-line);
}

.knmt-paper-shell {
    background:
        linear-gradient(90deg, rgba(0,0,0,.035) 1px, transparent 1px),
        linear-gradient(rgba(0,0,0,.035) 1px, transparent 1px),
        var(--knmt-paper);
    background-size: 32px 32px;
}

.knmt-canvas-shell canvas {
    width: 100%;
    aspect-ratio: 5 / 8;
    display: block;
    touch-action: none;
}

.knmt-results {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 16px;
    align-items: stretch;
}

.knmt-result-box {
    background: var(--knmt-card);
    border: 1px solid var(--knmt-line);
    border-radius: 14px;
    padding: 12px;
    text-align: center;
}

.knmt-result-box span {
    display: block;
    color: var(--knmt-muted);
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.knmt-result-box strong {
    font-size: 1.5rem;
}

.knmt-feedback {
    grid-column: 1 / -1;
    background: #fff7ea;
    border: 1px solid #ead7b4;
    border-radius: 14px;
    padding: 12px 14px;
    margin: 0;
}

.knmt-help {
    margin-top: 14px;
    color: var(--knmt-muted);
}

.knmt-help summary {
    cursor: pointer;
    color: var(--knmt-ink);
    font-weight: 700;
}

.knmt-help p { margin-bottom: 0; }

@media (max-width: 820px) {
    .knmt-header {
        flex-direction: column;
    }

    .knmt-stage {
        grid-template-columns: 1fr;
    }

    .knmt-results {
        grid-template-columns: 1fr;
    }

    .knmt-admin-head {
        align-items: flex-start;
        flex-direction: column;
    }
}

.kn-lab-shell.knmt-wrap {
    --knmt-bg: var(--kn-bg-shell);
    --knmt-ink: var(--kn-text-main);
    --knmt-muted: var(--kn-text-muted);
    --knmt-line: var(--kn-border);
    --knmt-accent: var(--kn-accent);
    --knmt-card: var(--kn-bg-panel);
}

.kn-lab-shell .knmt-header {
    padding: 1rem 1.15rem;
    margin-bottom: 1rem;
}

.kn-lab-shell .knmt-toolbar,
.kn-lab-shell .knmt-results {
    margin-top: 1rem;
}

.kn-lab-shell .knmt-challenge-card,
.kn-lab-shell .knmt-admin-panel,
.kn-lab-shell .knmt-help {
    border: 1px solid var(--kn-border);
    border-radius: var(--kn-radius-md);
    background: rgba(255,255,255,0.035);
    color: var(--kn-text-muted);
}

.kn-lab-shell .knmt-panel {
    border: 1px solid rgba(0,0,0,0.12);
    border-radius: var(--kn-radius-md);
    box-shadow: var(--kn-shadow-panel);
}

.kn-lab-shell .knmt-panel-title {
    color: var(--kn-text-main);
}

.kn-lab-shell .knmt-panel-title small {
    color: var(--kn-text-muted);
}

.kn-lab-shell .knmt-button {
    border-radius: 999px;
}

.kn-lab-shell .knmt-score-pill,
.kn-lab-shell .knmt-result-box {
    border-color: var(--kn-border-strong);
    background: var(--kn-accent-soft);
}

.knmt-wrap .is-locked,
.knmt-wrap button.is-locked,
.knmt-wrap button:disabled.is-locked {
    cursor: not-allowed;
    opacity: 0.55;
    filter: grayscale(0.65);
}

.kn-lab-full-badge {
    display: none;
    margin-left: 0.35rem;
    padding: 0.12rem 0.35rem;
    border: 1px solid rgba(215,181,109,0.34);
    border-radius: 999px;
    color: var(--kn-accent);
    font-size: 0.62rem;
    font-style: normal;
    font-weight: 800;
    letter-spacing: 0.06em;
    line-height: 1;
    text-transform: uppercase;
}

.knmt-wrap .is-locked .kn-lab-full-badge,
.knmt-wrap button:disabled .kn-lab-full-badge {
    display: inline-flex;
}