.fff-dissonance-lab-root {
    --ffd-bg: linear-gradient(180deg, #f7edd4 0%, #f1e3c3 100%);
    --ffd-panel: rgba(246, 234, 209, 0.9);
    --ffd-ink: #21323a;
    --ffd-muted: #3a4a50;
    --ffd-line: rgba(33, 50, 58, 0.22);
    --ffd-accent: #20384a;
    --ffd-hot: #a95d2b;
    --ffd-shadow: 4px 4px 0 rgba(33, 50, 58, 0.14);
    color: var(--ffd-ink);
    font-family: "Segoe UI", Arial, sans-serif;
}

.generator-disonanc-wrap,
.fff-dissonance-lab-root {
    width: 100%;
    max-width: 100%;
}

.fff-dissonance-lab-root *,
.fff-dissonance-lab-root *::before,
.fff-dissonance-lab-root *::after {
    box-sizing: border-box;
}

.ffd-app {
    width: 100%;
    max-width: 980px;
    margin: 0 auto;
    padding: 20px;
    font-size: 14px;
    background: var(--ffd-bg);
    border: 1.5px solid var(--ffd-line);
    border-radius: 22px;
    box-shadow: var(--ffd-shadow);
}

.ffd-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 0;
}

.ffd-header-main {
    display: grid;
    gap: 0;
}

.ffd-title {
    margin: 0;
    color: var(--lab-text, var(--ffd-ink));
    font-family: var(--lab-font-display, "Segoe UI", Arial, sans-serif);
    font-size: clamp(1.35rem, 2.2vw, 1.7rem);
    line-height: 1.05;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.ffd-header-actions {
    display: flex;
    align-items: center;
}

.ffd-panel-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}

.ffd-panel-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.ffd-meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 34px;
    padding: 6px 10px;
    border: 1px solid rgba(31, 111, 235, 0.14);
    border-radius: 999px;
    background: #f8fbff;
    color: var(--ffd-muted);
    font-size: 0.78rem;
    font-weight: 700;
}

.ffd-meta-pill strong {
    color: var(--ffd-accent);
    font-variant-numeric: tabular-nums;
}

.ffd-panel-topbar .ffd-icon-btn {
    flex: 0 0 auto;
}

.ffd-stats--compact {
    margin-top: 12px;
    gap: 10px;
}

.ffd-stats--compact .ffd-stat {
    padding: 12px;
}

.ffd-stats--compact .ffd-stat__value {
    font-size: 1rem;
}

.ffd-tabs,
.ffd-buttons,
.ffd-chord-readout {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.ffd-tab,
.ffd-btn {
    min-height: 42px;
    padding: 10px 14px;
    border-radius: 14px;
    border: 1px solid var(--ffd-line);
    background: #fff;
    color: var(--ffd-ink);
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
}

.ffd-btn--primary {
    background: var(--ffd-accent);
    color: #fff;
    border-color: var(--ffd-accent);
    box-shadow: 0 12px 24px rgba(31, 111, 235, 0.22);
}

.ffd-btn--secondary {
    background: #f8fbff;
    color: var(--ffd-accent);
}

.ffd-btn--usage {
    width: auto;
}

.ffd-icon-btn {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--ffd-accent);
    border-radius: 12px;
    background: var(--ffd-accent);
    color: #fff;
    box-shadow: 0 12px 24px rgba(31, 111, 235, 0.22);
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
}

.ffd-icon-btn:hover {
    filter: brightness(0.96);
}

.ffd-usage {
    margin: 0 0 12px;
    padding: 12px 14px;
    border: 1px solid var(--lab-border);
    border-radius: var(--lab-radius-xl);
    background: rgba(255, 250, 240, 0.72);
    color: var(--lab-muted, var(--ffd-muted));
    line-height: 1.55;
}

.ffd-tabs,
.fff-dissonance-lab-root .ffd-tabs.lab-tabs {
    display: flex;
    gap: 8px !important;
    margin: 0 0 14px !important;
    padding: 0 !important;
    background: transparent !important;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

.ffd-tab,
.fff-dissonance-lab-root .ffd-tab.lab-tab {
    appearance: none !important;
    -webkit-appearance: none !important;
    flex: 1 1 0 !important;
    min-height: var(--lab-btn-h) !important;
    padding: 11px 14px !important;
    border: 1px solid #e6c5c5 !important;
    background: #f6e3e3 !important;
    color: #8f6767 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    letter-spacing: 0.2px !important;
    font-size: 0.9rem !important;
    font-weight: 800 !important;
    white-space: nowrap !important;
    text-transform: none !important;
}

.ffd-tab:hover,
.fff-dissonance-lab-root .ffd-tab.lab-tab:hover {
    background: #f2d0d0 !important;
    border-color: #dcaaaa !important;
    color: #7a2424 !important;
}

.ffd-tab[aria-selected="true"],
.fff-dissonance-lab-root .ffd-tab.lab-tab[aria-selected="true"] {
    background: linear-gradient(180deg, #d62c2c 0%, #ab1515 100%) !important;
    border-color: #911313 !important;
    color: #fff !important;
    box-shadow: 0 8px 20px rgba(171, 21, 21, 0.24) !important;
}

.ffd-tab[aria-selected="false"],
.fff-dissonance-lab-root .ffd-tab.lab-tab[aria-selected="false"] {
    background: #f6e3e3 !important;
    border-color: #e6c5c5 !important;
    color: #8f6767 !important;
    box-shadow: none !important;
}

.ffd-panel {
    display: none;
}

.ffd-panel.is-active {
    display: block;
}

.ffd-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(280px, 0.82fr);
    gap: 18px;
}

.ffd-card {
    background: var(--ffd-panel);
    border: 1px solid rgba(216, 223, 235, 0.92);
    border-radius: 22px;
    padding: 18px;
    box-shadow: 0 8px 18px rgba(24, 33, 47, 0.04);
}

.ffd-card h3,
.ffd-card h4 {
    margin: 0 0 10px;
    line-height: 1.25;
}

.ffd-card h3 {
    font-size: 1.05rem;
}

.ffd-card h4 {
    font-size: 0.95rem;
}

.ffd-card p {
    margin: 0;
    color: var(--ffd-muted);
    font-size: 0.92rem;
    line-height: 1.55;
}

.ffd-controls,
.ffd-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 16px;
}

.ffd-controls--inline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: end;
}

.ffd-control {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ffd-control.is-hidden {
    display: none;
}

.ffd-toggle-control {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 42px;
    color: var(--ffd-ink);
    font-size: 0.86rem;
    font-weight: 700;
}

.ffd-toggle-control input {
    width: 16px;
    height: 16px;
    accent-color: var(--ffd-accent);
}

.ffd-control--full {
    grid-column: 1 / -1;
}

.ffd-label-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
}

.ffd-label {
    font-weight: 700;
    font-size: 0.86rem;
}

.ffd-value {
    color: var(--ffd-accent);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.ffd-help {
    color: var(--ffd-muted);
    font-size: 0.8rem;
    line-height: 1.45;
}

.fff-dissonance-lab-root input[type="range"],
.fff-dissonance-lab-root select {
    width: 100%;
}

.fff-dissonance-lab-root input[type="range"] {
    accent-color: var(--ffd-accent);
}

.fff-dissonance-lab-root select {
    min-height: 42px;
    padding: 8px 10px;
    border: 1px solid var(--ffd-line);
    border-radius: 14px;
    background: #fff;
    font-size: 0.9rem;
}

.ffd-stat {
    padding: 14px;
    border-radius: 18px;
    background: #f8fbff;
    border: 1px solid rgba(31, 111, 235, 0.12);
}

.ffd-stat__label {
    display: block;
    color: var(--ffd-muted);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ffd-stat__value {
    margin-top: 8px;
    font-size: 1.15rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.ffd-canvas {
    width: 100%;
    height: auto;
    display: block;
    background: linear-gradient(180deg, #ffffff 0%, #f6f8fc 100%);
    border: 1px solid rgba(216, 223, 235, 0.95);
    border-radius: 18px;
}

.ffd-canvas-wrap,
.ffd-note,
.ffd-match-list,
.ffd-lesson-list,
.ffd-valley-list,
.ffd-subsection {
    margin-top: 14px;
}

.ffd-flow-section + .ffd-flow-section {
    margin-top: 16px;
}

.ffd-flow-label {
    margin: 0 0 10px;
    color: var(--lab-muted, var(--ffd-muted));
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ffd-subsection h4 {
    margin: 0 0 10px;
}

.ffd-subsection--flush {
    margin-top: 0;
}

.ffd-didactic {
    display: grid;
    gap: 10px;
    margin-bottom: 14px;
}

.ffd-didactic-block {
    padding: 12px 14px;
    border: 1px solid rgba(216, 223, 235, 0.92);
    border-radius: 16px;
    background: linear-gradient(180deg, #fffdf9 0%, #f7f9fc 100%);
}

.ffd-didactic-label {
    margin-bottom: 6px;
    color: var(--lab-muted, var(--ffd-muted));
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ffd-didactic-block p {
    margin: 0;
    color: var(--ffd-ink);
    font-size: 0.88rem;
    line-height: 1.5;
}

.ffd-mini-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.ffd-mini-grid--tone {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.ffd-compare-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 14px;
}

.ffd-compare-card {
    padding: 14px;
    border: 1px solid rgba(216, 223, 235, 0.92);
    border-radius: 16px;
    background: linear-gradient(180deg, #fffdf9 0%, #f7f9fc 100%);
    cursor: pointer;
}

.ffd-compare-card.is-active {
    border-color: rgba(31, 111, 235, 0.42);
    box-shadow: 0 10px 22px rgba(31, 111, 235, 0.12);
    background: linear-gradient(180deg, #f8fbff 0%, #f2f7ff 100%);
}

.ffd-compare-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.ffd-compare-top h4 {
    margin: 0 0 6px;
}

.ffd-compare-top p {
    font-size: 0.86rem;
}

.ffd-mini-btn {
    min-height: 38px;
    padding: 8px 10px;
    border-radius: 12px;
    border: 1px solid var(--ffd-line);
    background: #fff;
    color: var(--ffd-ink);
    font-size: 0.84rem;
    font-weight: 700;
    text-transform: none !important;
    letter-spacing: 0 !important;
    cursor: pointer;
}

.ffd-mini-btn.is-active {
    border-color: var(--ffd-accent);
    background: rgba(31, 111, 235, 0.1);
    color: var(--ffd-accent);
}

.ffd-note {
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(25, 123, 99, 0.08);
    border: 1px solid rgba(25, 123, 99, 0.15);
    color: #245b50;
    font-size: 0.9rem;
    line-height: 1.5;
}

.ffd-note--theory {
    background: rgba(24, 33, 47, 0.04);
    border-color: rgba(24, 33, 47, 0.08);
    color: var(--ffd-ink);
}

.ffd-compact-list {
    margin: 8px 0;
    padding-left: 18px;
}

.ffd-compact-list li {
    margin: 4px 0;
    font-size: 0.9rem;
}

.ffd-match-list,
.ffd-lesson-list,
.ffd-valley-list {
    padding-left: 18px;
    color: var(--ffd-muted);
    line-height: 1.55;
}

.ffd-match-list li + li,
.ffd-lesson-list li + li,
.ffd-valley-list li + li {
    margin-top: 8px;
}

.ffd-chip,
.ffd-inline-message {
    border-radius: 999px;
    border: 1px solid var(--ffd-line);
    background: #f5f7fb;
}

.ffd-chip {
    padding: 10px 12px;
    color: var(--ffd-ink);
    font-size: 0.82rem;
    font-weight: 700;
}

.ffd-inline-message {
    padding: 16px;
    background: #fff4ea;
    border-color: #f0d3ba;
    color: #8b4e28;
}

@media (max-width: 900px) {
    .ffd-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .generator-disonanc-wrap,
    .fff-dissonance-lab-root {
        width: calc(100vw - 24px);
        max-width: none;
        margin-left: calc(50% - 50vw + 12px);
        margin-right: calc(50% - 50vw + 12px);
    }

    .ffd-app {
        max-width: none;
        padding: 0;
        background: transparent;
        border: 0;
        border-radius: 0;
        box-shadow: none;
    }

    .ffd-controls,
    .ffd-stats {
        grid-template-columns: 1fr;
    }

    .ffd-controls--inline {
        grid-template-columns: 1fr 1fr;
    }

    .ffd-card {
        padding: 14px;
        border-radius: 18px;
    }

    .ffd-panel-topbar {
        align-items: flex-start;
    }

    .ffd-panel-meta {
        gap: 6px;
    }

    .ffd-meta-pill {
        min-height: 30px;
        padding: 5px 8px;
        font-size: 0.74rem;
    }

    .ffd-btn {
        width: 100%;
    }

    .ffd-mini-grid {
        grid-template-columns: 1fr;
    }

    .ffd-mini-grid--tone {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ffd-compare-grid {
        grid-template-columns: 1fr;
    }

    .ffd-tab,
    .fff-dissonance-lab-root .ffd-tab.lab-tab {
        padding: 10px 8px !important;
        white-space: normal !important;
    }
}

/* Paper-style alignment */
.fff-dissonance-lab-root .ffd-meta-pill,
.fff-dissonance-lab-root .ffd-card,
.fff-dissonance-lab-root .ffd-stat,
.fff-dissonance-lab-root .ffd-spectrum,
.fff-dissonance-lab-root .ffd-stage,
.fff-dissonance-lab-root .ffd-compare-card,
.fff-dissonance-lab-root .ffd-mini-card {
    background: rgba(246, 234, 209, 0.88) !important;
    border-color: rgba(33, 50, 58, 0.22) !important;
    box-shadow: 3px 3px 0 rgba(33, 50, 58, 0.1) !important;
}

.fff-dissonance-lab-root .ffd-tab,
.fff-dissonance-lab-root .ffd-btn,
.fff-dissonance-lab-root .ffd-tab.lab-tab {
    background: rgba(247, 237, 212, 0.88) !important;
    border-color: rgba(33, 50, 58, 0.24) !important;
    color: #21323a !important;
    box-shadow: 2px 2px 0 rgba(33, 50, 58, 0.1) !important;
}

.fff-dissonance-lab-root .ffd-btn--primary,
.fff-dissonance-lab-root .ffd-tab.lab-tab[aria-selected="true"],
.fff-dissonance-lab-root .ffd-tab.lab-tab.lab-tab--active {
    background: #20384a !important;
    border-color: #21323a !important;
    color: #f7edd4 !important;
    box-shadow: 3px 3px 0 rgba(33, 50, 58, 0.18) !important;
}

.fff-dissonance-lab-root .ffd-btn--ghost,
.fff-dissonance-lab-root .ffd-btn--secondary,
.fff-dissonance-lab-root .ffd-tab.lab-tab[aria-selected="false"] {
    background: rgba(234, 215, 178, 0.86) !important;
}