.page-spectral-drum {
    --sd-ink: #071116;
    --sd-panel: #0d1a1f;
    --sd-panel-2: #13252b;
    --sd-line: #3d555b;
    --sd-text: #edf5f4;
    --sd-muted: #9eb0b3;
    --sd-mint: #83d0c2;
    --sd-amber: #efc66f;
    --sd-coral: #eb7869;
    --sd-blue: #3ea7c4;
}

.page-spectral-drum .lab-hero {
    grid-template-columns: minmax(0, 1fr) minmax(190px, 250px);
    gap: 18px;
    padding-top: 18px;
    padding-bottom: 14px;
}

.page-spectral-drum .lab-hero h1 {
    margin-top: 8px;
    font-size: clamp(2rem, 4.1vw, 3.65rem);
}

.page-spectral-drum .lab-hero p {
    margin-bottom: 0;
}

.page-spectral-drum .lab-route {
    margin: 8px 0 10px;
    padding: 8px 10px;
}

.page-spectral-drum .lab-route__details summary {
    min-height: 36px;
}

.page-spectral-drum .lab-status-panel {
    padding: 13px;
}

.page-spectral-drum .spectral-app,
.page-spectral-drum .spectral-formula-wrap {
    width: min(var(--max), calc(100% - 32px));
    margin-inline: auto;
}

.page-spectral-drum .spectral-workspace,
.page-spectral-drum .spectral-workspace *,
.page-spectral-drum .spectral-workspace *::before,
.page-spectral-drum .spectral-workspace *::after {
    box-sizing: border-box;
}

.page-spectral-drum .spectral-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(320px, 0.72fr);
    grid-template-areas:
        "field operation"
        "modes operation"
        "advanced advanced";
    align-items: start;
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--sd-ink);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.26);
}

.page-spectral-drum .spectral-field {
    grid-area: field;
    min-width: 0;
    padding: 12px 14px 0;
    border-right: 1px solid var(--sd-line);
}

.page-spectral-drum .spectral-field-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 9px;
}

.page-spectral-drum .spectral-field-head h2 {
    margin: 0;
    color: var(--sd-text);
    font-size: 1rem;
    letter-spacing: 0;
}

.page-spectral-drum .spectral-field-head .eyebrow {
    margin: 0 0 3px;
    color: var(--sd-mint);
    font-size: 0.65rem;
    letter-spacing: 0;
}

.page-spectral-drum .spectral-grid-note {
    max-width: 250px;
    color: var(--sd-muted);
    font: 600 0.68rem/1.35 ui-monospace, SFMono-Regular, Consolas, monospace;
    text-align: right;
}

.page-spectral-drum .spectral-field-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 9px;
}

.page-spectral-drum .spectral-segmented {
    display: inline-grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.page-spectral-drum .spectral-workspace button,
.page-spectral-drum .spectral-workspace input,
.page-spectral-drum .spectral-workspace textarea {
    font: inherit;
}

.page-spectral-drum .spectral-workspace button {
    min-height: 40px;
    padding: 8px 11px;
    border: 1px solid var(--sd-line);
    border-radius: 6px;
    background: #17262c;
    color: var(--sd-text);
    cursor: pointer;
}

.page-spectral-drum .spectral-workspace button:hover {
    border-color: var(--sd-mint);
}

.page-spectral-drum .spectral-workspace button:disabled {
    opacity: 0.42;
    cursor: not-allowed;
}

.page-spectral-drum .spectral-workspace button:focus-visible,
.page-spectral-drum .spectral-workspace input:focus-visible,
.page-spectral-drum .spectral-workspace summary:focus-visible,
.page-spectral-drum #drumCanvas:focus-visible {
    outline: 3px solid var(--sd-amber);
    outline-offset: 3px;
}

.page-spectral-drum .spectral-segmented button {
    min-width: 72px;
    border-radius: 0;
}

.page-spectral-drum .spectral-segmented button:first-child {
    border-radius: 6px 0 0 6px;
}

.page-spectral-drum .spectral-segmented button:last-child {
    border-radius: 0 6px 6px 0;
}

.page-spectral-drum .spectral-segmented .is-active,
.page-spectral-drum .spectral-mode-strip .is-active {
    border-color: var(--sd-mint);
    background: var(--sd-mint);
    color: #071012;
    font-weight: 800;
}

.page-spectral-drum .spectral-compact-control {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--sd-muted);
    font-size: 0.78rem;
}

.page-spectral-drum .spectral-compact-control input[type="range"] {
    width: 94px;
}

.page-spectral-drum .spectral-canvas-shell {
    position: relative;
    width: 100%;
    aspect-ratio: 1.58;
    min-height: 300px;
    overflow: hidden;
    border: 1px solid var(--sd-line);
    background: #050a0e;
}

.page-spectral-drum #drumCanvas {
    display: block;
    width: 100%;
    height: 100%;
    touch-action: none;
}

.page-spectral-drum .spectral-canvas-legend {
    position: absolute;
    left: 9px;
    bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    max-width: calc(100% - 18px);
    padding: 5px 7px;
    background: rgba(4, 9, 12, 0.84);
    color: #bdc8cb;
    font-size: 0.66rem;
    pointer-events: none;
}

.page-spectral-drum .spectral-canvas-legend span {
    display: inline-block;
    width: 18px;
    height: 4px;
}

.page-spectral-drum .legend-negative { background: var(--sd-blue); }
.page-spectral-drum .legend-node { background: #f2f3dc; }
.page-spectral-drum .legend-positive { background: var(--sd-coral); }

.page-spectral-drum .spectral-operation-wrap {
    grid-area: operation;
    min-width: 0;
    border-left: 0;
}

.page-spectral-drum .spectral-operation-wrap .operation-panel {
    min-width: 0;
    margin: 0;
    padding: 12px 14px;
    border: 0;
    background: var(--sd-panel);
    box-shadow: none;
}

.page-spectral-drum .spectral-operation-wrap .operation-panel > h2 {
    margin: 0 0 9px;
    color: var(--sd-muted);
    font-size: 0.69rem;
    letter-spacing: 0.06em;
}

.page-spectral-drum .spectral-primary-controls {
    display: grid;
    min-width: 0;
    gap: 9px;
}

.page-spectral-drum .spectral-command-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.page-spectral-drum .spectral-command-head > span {
    color: var(--sd-mint);
    font-size: 0.68rem;
    font-weight: 800;
}

.page-spectral-drum .spectral-quality-badge {
    min-width: 0;
    padding: 4px 7px;
    border: 1px solid var(--sd-line);
    color: var(--sd-muted);
    font-size: 0.65rem;
    overflow-wrap: anywhere;
}

.page-spectral-drum .spectral-quality-badge.is-ok {
    border-color: var(--sd-mint);
    color: #b8f0d8;
}

.page-spectral-drum .spectral-quality-badge.is-error {
    border-color: var(--sd-coral);
    color: #ffaca1;
}

.page-spectral-drum .spectral-preset-row,
.page-spectral-drum .spectral-transport-row,
.page-spectral-drum .spectral-output-row {
    display: grid;
    gap: 7px;
}

.page-spectral-drum .spectral-preset-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.page-spectral-drum .spectral-preset-row button,
.page-spectral-drum .spectral-transport-row button {
    min-width: 0;
    padding-inline: 5px;
}

.page-spectral-drum .spectral-primary-action {
    width: 100%;
    min-height: 52px !important;
    border-color: var(--sd-amber) !important;
    background: var(--sd-amber) !important;
    color: #17120a !important;
    font-size: 0.95rem !important;
    font-weight: 900 !important;
}

.page-spectral-drum .spectral-transport-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.page-spectral-drum .spectral-progress-track {
    height: 5px;
    overflow: hidden;
    background: #203137;
}

.page-spectral-drum .spectral-progress-track span {
    display: block;
    width: 0;
    height: 100%;
    background: var(--sd-mint);
    transition: width 0.15s ease;
}

.page-spectral-drum .spectral-status-line {
    min-height: 34px;
    margin: 0;
    color: #d0dcde;
    font-size: 0.75rem;
    line-height: 1.45;
}

.page-spectral-drum .spectral-core-results {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
    margin: 0;
}

.page-spectral-drum .spectral-core-results div {
    min-width: 0;
    padding: 8px;
    border-left: 2px solid var(--sd-mint);
    background: var(--sd-panel-2);
}

.page-spectral-drum .spectral-core-results dt,
.page-spectral-drum .spectral-diagnostic-grid dt {
    color: var(--sd-muted);
    font-size: 0.66rem;
}

.page-spectral-drum .spectral-core-results dd,
.page-spectral-drum .spectral-diagnostic-grid dd {
    margin: 3px 0 0;
    color: var(--sd-text);
    font: 700 0.78rem/1.35 ui-monospace, SFMono-Regular, Consolas, monospace;
    overflow-wrap: anywhere;
}

.page-spectral-drum .spectral-operation-wrap .chamber-status {
    margin-top: 12px;
}

.page-spectral-drum .spectral-operation-wrap .operation-panel > ul {
    margin-bottom: 0;
    color: var(--sd-muted);
    font-size: 0.76rem;
}

.page-spectral-drum .spectral-mode-strip {
    grid-area: modes;
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 7px;
    min-width: 0;
    padding: 10px 14px 13px;
    border-right: 1px solid var(--sd-line);
}

.page-spectral-drum .spectral-mode-strip button {
    min-width: 0;
    padding-inline: 4px;
    font-size: 0.75rem;
}

.page-spectral-drum .spectral-advanced {
    grid-area: advanced;
    min-width: 0;
    padding: 0 14px 14px;
    border-top: 1px solid var(--sd-line);
    background: #091419;
}

.page-spectral-drum .spectral-advanced summary {
    display: flex;
    align-items: center;
    min-height: 44px;
    cursor: pointer;
    color: var(--sd-text);
    font-weight: 800;
}

.page-spectral-drum .spectral-diagnostic-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin: 2px 0 12px;
}

.page-spectral-drum .spectral-diagnostic-grid div {
    min-width: 0;
    padding: 9px;
    border: 1px solid var(--sd-line);
    background: var(--sd-panel);
}

.page-spectral-drum .spectral-eigen-table-wrap {
    max-width: 100%;
    overflow-x: auto;
}

.page-spectral-drum .spectral-eigen-table-wrap table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.75rem;
}

.page-spectral-drum .spectral-eigen-table-wrap th,
.page-spectral-drum .spectral-eigen-table-wrap td {
    padding: 7px 6px;
    border-bottom: 1px solid var(--sd-line);
    text-align: right;
    white-space: nowrap;
}

.page-spectral-drum .spectral-eigen-table-wrap th:first-child,
.page-spectral-drum .spectral-eigen-table-wrap td:first-child {
    text-align: left;
}

.page-spectral-drum .spectral-method-note {
    margin: 10px 0;
    color: var(--sd-muted);
    font-size: 0.75rem;
}

.page-spectral-drum .spectral-output-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 10px;
}

.page-spectral-drum .spectral-report-details textarea {
    width: 100%;
    min-width: 0;
    margin-top: 4px;
    padding: 10px;
    resize: vertical;
    border: 1px solid var(--sd-line);
    background: #050c10;
    color: #dce8e9;
    font: 0.73rem/1.5 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.page-spectral-drum .spectral-formula-wrap {
    display: grid;
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 18px;
    margin-top: 20px;
}

@media (max-width: 1024px) {
    .page-spectral-drum .spectral-workspace {
        grid-template-columns: minmax(0, 1fr) minmax(300px, 0.72fr);
    }

    .page-spectral-drum .spectral-canvas-shell {
        min-height: 260px;
    }

    .page-spectral-drum .spectral-mode-strip {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 700px) {
    .page-spectral-drum .lab-hero {
        grid-template-columns: 1fr;
        gap: 7px;
        padding: 10px 12px 8px;
    }

    .page-spectral-drum .lab-hero h1 {
        margin-top: 4px;
        font-size: 1.72rem;
        line-height: 1.08;
    }

    .page-spectral-drum .lab-hero p {
        font-size: 0.78rem;
        line-height: 1.4;
    }

    .page-spectral-drum .lab-status-panel {
        display: none;
    }

    .page-spectral-drum .lab-route {
        margin: 5px 0 7px;
        padding: 5px 8px;
    }

    .page-spectral-drum .lab-route__current {
        font-size: 0.72rem;
    }

    .page-spectral-drum .lab-route__details summary {
        min-height: 44px;
    }

    .page-spectral-drum .spectral-app,
    .page-spectral-drum .spectral-formula-wrap {
        width: calc(100% - 20px);
    }

    .page-spectral-drum .spectral-workspace {
        grid-template-columns: minmax(0, 1fr);
        grid-template-areas:
            "field"
            "operation"
            "modes"
            "advanced";
    }

    .page-spectral-drum .spectral-field {
        padding: 8px 9px 0;
        border-right: 0;
    }

    .page-spectral-drum .spectral-field-head {
        gap: 8px;
        margin-bottom: 6px;
    }

    .page-spectral-drum .spectral-field-head h2 {
        font-size: 0.86rem;
    }

    .page-spectral-drum .spectral-grid-note {
        max-width: 150px;
        font-size: 0.58rem;
    }

    .page-spectral-drum .spectral-field-toolbar {
        margin-bottom: 6px;
    }

    .page-spectral-drum .spectral-canvas-shell {
        min-height: 0;
        aspect-ratio: 1.52;
    }

    .page-spectral-drum .spectral-operation-wrap {
        border-top: 1px solid var(--sd-line);
    }

    .page-spectral-drum .spectral-operation-wrap .operation-panel {
        padding: 8px 9px 9px;
    }

    .page-spectral-drum .spectral-operation-wrap .operation-panel > h2 {
        margin-bottom: 5px;
    }

    .page-spectral-drum .spectral-primary-controls {
        gap: 6px;
    }

    .page-spectral-drum .spectral-primary-action {
        min-height: 48px !important;
    }

    .page-spectral-drum .spectral-status-line {
        min-height: 0;
    }

    .page-spectral-drum .spectral-core-results div {
        padding: 6px 7px;
    }

    .page-spectral-drum .spectral-operation-wrap .chamber-status,
    .page-spectral-drum .spectral-operation-wrap .operation-panel > ul {
        margin-top: 9px;
    }

    .page-spectral-drum .spectral-mode-strip {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        padding: 8px 9px 10px;
        border-right: 0;
    }

    .page-spectral-drum .spectral-advanced {
        padding: 0 9px 10px;
    }

    .page-spectral-drum .spectral-diagnostic-grid,
    .page-spectral-drum .spectral-formula-wrap {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 420px) {
    .page-spectral-drum .lab-route {
        display: grid;
        grid-template-columns: minmax(158px, 0.95fr) minmax(0, 1.05fr);
        grid-template-rows: auto auto;
        column-gap: 8px;
        align-items: center;
    }

    .page-spectral-drum .lab-route__title {
        grid-column: 1;
        grid-row: 1;
    }

    .page-spectral-drum .lab-route__current {
        grid-column: 1;
        grid-row: 2;
        margin: 0;
    }

    .page-spectral-drum .lab-route__details {
        grid-column: 2;
        grid-row: 1 / span 2;
        min-width: 0;
        margin: 0;
    }

    .page-spectral-drum .lab-route__details summary {
        padding-inline: 8px;
        line-height: 1.25;
    }

    .page-spectral-drum .spectral-field-head {
        display: block;
    }

    .page-spectral-drum .spectral-grid-note {
        display: block;
        max-width: none;
        margin-top: 3px;
        text-align: left;
    }

    .page-spectral-drum .spectral-segmented {
        width: 100%;
    }

    .page-spectral-drum .spectral-segmented button {
        min-width: 0;
    }

    .page-spectral-drum .spectral-canvas-shell {
        aspect-ratio: 1.8;
    }

    .page-spectral-drum .spectral-preset-row button,
    .page-spectral-drum .spectral-transport-row button,
    .page-spectral-drum .spectral-mode-strip button {
        font-size: 0.7rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .page-spectral-drum .spectral-workspace *,
    .page-spectral-drum .spectral-workspace *::before,
    .page-spectral-drum .spectral-workspace *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}