/* ============================================================
   SATB Harmony Tool — Main Stylesheet
   ============================================================ */

:root {
    --bg: #f5f2ed;
    --surface: #ffffff;
    --surface-2: #faf8f5;
    --border: #ddd9d0;
    --border-mid: #c8c3b8;
    --border-strong: #a8a39a;
    --text: #1e1c1a;
    --text-muted: #6e6a64;
    --text-subtle: #9e9a94;
    --accent: #2d4a6e;
    --accent-h: #1e3352;
    --accent-light: #e8eef5;
    --soprano: #5e3a7a;
    --alto: #1e5e4a;
    --tenor: #7a4a15;
    --bass-c: #1e3e6e;
    --rn-color: #4a2d0a;
    --fig-color: #2d4a1e;
    --error: #b83030;
    --warning: #e2d51e;
    --ok: #1e7a3e;
    --bar-0: #f0eef9;
    --bar-1: #eef4f0;
    --bar-sep: #b0a8c8;

    /* Uniform control height — used on all inputs, selects, and buttons */
    --ctrl-h: 30px;
    --ctrl-radius: 4px;
    --ctrl-font: .82rem;

    --radius: 5px;
    --shadow: 0 1px 4px rgba(0, 0, 0, .07), 0 0 0 1px rgba(0, 0, 0, .04);
    --font-ui: 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    --font-music: 'Lora', Georgia, serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-ui);
    font-size: 13px;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

/* ── Header ── */
.site-header {
    background: var(--accent);
    color: #fff;
    padding: 12px 22px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .22);
}

.logo-mark {
    font-family: var(--font-music);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -.5px;
}

.logo-mark span {
    color: #8cb8e8;
}

.site-header h1 {
    font-family: var(--font-music);
    font-size: 1.05rem;
    font-weight: 600;
}

.site-header .subtitle {
    font-size: .7rem;
    opacity: .6;
    margin-top: 1px;
}

/* ── Controls Bar ── */
.controls-bar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 6px 18px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .06);
    position: sticky;
    top: 0;
    z-index: 100;
}

.controls-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
}

.controls-row-left,
.controls-row-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.ctrl-divider {
    width: 1px;
    height: 20px;
    background: var(--border);
    flex-shrink: 0;
    margin: 0 20px;
}

.ctrl-group {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-right: 10px;
}

.ctrl-group label {
    font-size: .7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    white-space: nowrap;
}

/* ── Uniform control height ── */
.ctrl-select,
.ctrl-group input[type="text"],
.btn,
.btn-play,
.btn-icon {
    height: var(--ctrl-h);
    font-size: var(--ctrl-font);
    font-family: var(--font-ui);
    border-radius: var(--ctrl-radius);
    vertical-align: middle;
}

.ctrl-select {
    padding: 0 8px;
    border: 1px solid var(--border-mid);
    background: #fff;
    color: var(--text);
    outline: none;
    cursor: pointer;
    appearance: auto;
}

.ctrl-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(45, 74, 110, .12);
}

.ctrl-group input[type="text"] {
    padding: 0 9px;
    border: 1px solid var(--border-mid);
    outline: none;
    width: 130px;
}

.ctrl-group input[type="text"]:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(45, 74, 110, .12);
}

.key-status {
    font-size: .72rem;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 3px;
}

.key-status.ok {
    color: var(--ok);
}

.key-status.error {
    color: var(--error);
}

/* ── Buttons — all same height via --ctrl-h ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 0 13px;
    border: 1px solid transparent;
    cursor: pointer;
    font-weight: 600;
    white-space: nowrap;
    transition: background .14s, border-color .14s;
    line-height: 1;
}

.btn i {
    font-size: .8rem;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-h);
}

.btn-secondary {
    background: var(--surface-2);
    color: var(--text);
    border-color: var(--border-mid);
}

.btn-secondary:hover {
    background: #ede9e3;
}

#btnGenerate {
    background: #c0621a;
    border-color: #c0621a;
    color: #fff;
}

#btnGenerate:hover:not(:disabled) {
    background: #a05215;
    border-color: #a0521515;
}

#btnCheck {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

#btnCheck:hover:not(:disabled) {
    background: var(--accent-h);
    border-color: var(--accent-h);
}

.btn-icon {
    padding: 0 10px;
    background: var(--surface-2);
    color: var(--text-muted);
    border: 1px solid var(--border-mid);
}

.btn-icon:hover {
    background: #ede9e3;
    color: var(--text);
}

.btn-admin-edit {
    color: var(--accent);
    background: var(--accent-light);
    text-decoration: none;
}

.btn-admin-edit:hover {
    background: #d0dff0;
    color: var(--accent-h);
    border-color: #a8c0dc;
}

.btn-danger-icon:hover {
    background: #fdf0ee;
    color: #8b2a20;
    border-color: #e2b6b0;
}


/* ── Play button ── */
.player-wrap {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* ── Tempo slider ── */
.tempo-wrap {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

.tempo-lbl {
    font-size: var(--ctrl-font);
    font-family: var(--font-ui);
    color: var(--text-muted);
}

.tempo-slider {
    width: 80px;
    height: 4px;
    accent-color: var(--accent);
    cursor: pointer;
}

.tempo-number {
    width: 46px;
    height: 26px;
    padding: 0 4px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm, 4px);
    background: var(--surface);
    color: var(--text);
    font-size: var(--ctrl-font);
    font-family: var(--font-ui);
    text-align: center;
}

.tempo-number::-webkit-inner-spin-button,
.tempo-number::-webkit-outer-spin-button {
    opacity: 1;
}

/* ── Audition 3-way segmented switch ── */
.aud-switch {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: var(--ctrl-font);
    font-family: var(--font-ui);
    white-space: nowrap;
    user-select: none;
    padding-left: 20px;
}

.aud-switch-lbl {
    color: var(--text-muted);
    font-size: .7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    white-space: nowrap;
}

.aud-segs {
    display: inline-flex;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2px;
    gap: 1px;
}

.aud-segs button {
    padding: 0 9px;
    height: 22px;
    border: none;
    background: transparent;
    border-radius: 16px;
    font-size: var(--ctrl-font);
    font-family: var(--font-ui);
    cursor: pointer;
    color: var(--text-muted);
    transition: background 0.12s, color 0.12s;
    line-height: 1;
}

.aud-segs button:hover {
    color: var(--text);
}

/* Active segment highlights — driven by data-value on the container */
.aud-switch[data-value="off"] .aud-segs button[data-val="off"] {
    background: var(--text-muted);
    color: #fff;
}

.aud-switch[data-value="piano"] .aud-segs button[data-val="piano"] {
    background: var(--ok);
    color: #fff;
}

.aud-switch[data-value="choir"] .aud-segs button[data-val="choir"] {
    background: var(--accent);
    color: #fff;
}

.aud-switch[data-value="organ"] .aud-segs button[data-val="organ"] {
    background: #7b4f2e;
    color: #fff;
}

/* ── Basso continuo checkbox ── */
.bc-label {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding-left: 10px;
    font-size: var(--ctrl-font);
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.bc-label input[type="checkbox"] {
    accent-color: var(--accent);
    cursor: pointer;
    width: 13px;
    height: 13px;
}

.bc-label:has(input:checked) span {
    color: var(--accent);
}

.btn-play {
    display: inline-flex;
    align-items: center;
    /* vertical */
    justify-content: center;
    /* horizontal */
    gap: 5px;
    padding: 0 13px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-family: var(--font-ui);
    font-size: var(--ctrl-font);
    border-radius: var(--ctrl-radius);
    background: var(--ok);
    color: #fff;
    min-width: 110px;
    transition: background .14s;
    white-space: nowrap;
}

.btn-play i {
    font-size: .8rem;
}

.btn-play:hover:not(:disabled) {
    background: #165e2e;
}

.btn-play[data-state="playing"] {
    background: var(--error);
}

.btn-play[data-state="playing"]:hover {
    background: #8b2a20;
}

.btn-play[data-state="loading"] {
    background: var(--warning);
    cursor: wait;
}

.btn-play:disabled {
    opacity: .4;
    cursor: not-allowed;
}

/* ── Main layout ── */
.main-content {
    max-width: 1500px;
    margin: 0 auto;
    padding: 14px 16px 48px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ── Panels ── */
.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.panel-header {
    padding: 7px 13px;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
    font-size: .72rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: .06em;
    display: flex;
    align-items: center;
    gap: 7px;
    flex-wrap: wrap;
}

.panel-body {
    padding: 12px 14px;
}

/* ── Staff ── */
.staff-body {
    padding: 10px 13px;
    min-height: 175px;
    overflow-x: auto;
}

.staff-notice {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    background: #ffe2e2;
    border: 1px solid #b8c8dc;
    border-left: 4px solid var(--accent);
    border-radius: 4px;
    padding: 8px 10px;
    margin-bottom: 10px;
    font-size: .8rem;
    color: #cc2222;
    line-height: 1.45;
}

/* Disclaimer line inside the staff notice */
.staff-notice-disclaimer {
    display: block;
    margin-top: 5px;
    font-size: .75rem;
    color: #cc2222;
    opacity: 0.75;
    font-style: italic;
}

.staff-notice i {
    margin-top: 2px;
    flex-shrink: 0;
    opacity: .75;
}

.staff-notice span {
    flex: 1;
}

.staff-notice-dismiss {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
    color: var(--accent);
    opacity: .6;
    padding: 0 2px;
    flex-shrink: 0;
}

.staff-notice-dismiss:hover {
    opacity: 1;
}

#staffContainer svg {
    display: block;
    height: auto;
    min-width: 400px;
}

.staff-empty {
    color: var(--text-subtle);
    font-style: italic;
    font-size: .82rem;
    padding: 22px 0;
    text-align: center;
}

.staff-empty {
    color: var(--text-subtle);
    font-style: italic;
    font-size: .82rem;
    padding: 22px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.staff-help-list li strong {
    color: var(--text);
}

.staff-help-list {
    text-align: left;
    margin: 4px 0 0;
    padding-left: 1.4em;
    line-height: 1.8;
}

.staff-help-block {
    display: inline-block;
    text-align: left;
}

.report-item-active {
    background: #fdf8e8;
    border-left-color: var(--warning) !important;
    border-radius: 3px;
}

/* ── Grid Panel ── */
.grid-panel-header {
    justify-content: space-between;
}

.grid-legend {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    font-size: .7rem;
    color: var(--text-muted);
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
}

.grid-legend strong {
    color: var(--text);
}

.grid-legend code {
    font-family: var(--font-mono);
    font-size: .67rem;
    background: #eeebe5;
    padding: 1px 4px;
    border-radius: 3px;
    color: var(--accent);
}

.legend-sep {
    color: var(--border-mid);
}

.grid-scroll-wrapper {
    overflow-x: auto;
    overflow-y: hidden;
    padding: 8px 10px 10px;
    -webkit-overflow-scrolling: touch;
}

/* ── SATB Unified Grid Table — row order: S A T B Fig RN ── */
.satb-grid-table {
    border-collapse: separate;
    border-spacing: 0;
    min-width: 100%;
    font-size: .8rem;
}

/* Number header cells */
.satb-grid-table thead th.grid-num-cell {
    width: 56px;
    min-width: 56px;
    text-align: center;
    font-size: .68rem;
    font-weight: 700;
    color: var(--text-subtle);
    padding: 3px 2px 5px;
    border-bottom: 2px solid var(--border-mid);
    position: relative;
}

/* Insert/Delete column buttons — shown on header cell hover */
.col-ins-del {
    display: none;
    position: absolute;
    top: 1px;
    left: 1px;
    right: 1px;
    justify-content: space-between;
    gap: 1px;
    pointer-events: none;
}

.grid-num-cell:hover .col-ins-del {
    display: flex;
    pointer-events: auto;
}

/* Active playback column highlight in grid */
#satbGridTable [data-col].grid-col-active {
    background-color: rgba(255, 165, 0, 0.18) !important;
}

#satbGridTable th[data-col].grid-col-active {
    background-color: rgba(255, 165, 0, 0.35) !important;
}

.col-btn {
    font-size: .58rem;
    font-weight: 700;
    line-height: 1;
    padding: 1px 3px;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    opacity: 0.75;
    font-family: var(--font-ui);
    transition: opacity .1s;
}

.col-btn:hover {
    opacity: 1;
}

.col-btn-ins {
    background: #3a9e6e;
    color: #fff;
}

.col-btn-del {
    background: #c44;
    color: #fff;
}

/* Sticky row-label column */
.grid-label-cell {
    width: 36px;
    min-width: 36px;
    padding: 2px 6px 2px 4px;
    border-right: 2px solid var(--border-mid);
    position: sticky;
    left: 0;
    background: var(--surface);
    z-index: 5;
    text-align: right;
}

thead .grid-label-cell {
    border-bottom: 2px solid var(--border-mid);
}

.voice-label {
    font-size: .78rem;
    font-weight: 700;
    font-family: var(--font-music);
    font-style: italic;
    display: block;
    text-align: right;
}

.voice-s {
    color: var(--soprano);
}

.voice-a {
    color: var(--alto);
}

.voice-t {
    color: var(--tenor);
}

.voice-b {
    color: var(--bass-c);
}

.voice-fig {
    color: var(--fig-color);
}

.voice-rn {
    color: var(--rn-color);
}

/* Data cells */
.grid-cell {
    padding: 2px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.grid-row:last-child .grid-cell {
    border-bottom: none;
}

/* Bar coloring */
.grid-cell.bar-0,
.grid-num-cell.bar-0 {
    background-color: var(--bar-0);
}

.grid-cell.bar-1,
.grid-num-cell.bar-1 {
    background-color: var(--bar-1);
}

.grid-cell.bar-end,
.grid-num-cell.bar-end {
    border-right: 2px solid var(--bar-sep) !important;
}

/* NCT columns — inserted passing-tone slots */
.grid-num-cell.col-nct {
    background-color: #e6e6e6 !important;
    color: #888;
    font-style: italic;
}

.grid-cell.col-nct {
    background-color: #efefef !important;
    border-left: 1px dashed #bbb !important;
}

/* NCT badge below the column number */
.col-nct-badge {
    display: block;
    font-size: .55rem;
    font-weight: 600;
    color: #888;
    font-style: italic;
    letter-spacing: .02em;
}

/* NCT checkbox + label in column header */
.col-num {
    display: block;
}

.nct-cb-label {
    display: inline-flex;
    align-items: center;
    gap: 1px;
    font-size: .55rem;
    font-weight: 400;
    font-style: normal;
    color: var(--text-subtle);
    cursor: pointer;
    user-select: none;
}

.nct-checkbox {
    width: 9px;
    height: 9px;
    margin: 0;
    cursor: pointer;
    accent-color: #888;
}

/* PT duration radio buttons (♬ ♪ ♩ ½) below the PT checkbox */
.nct-dur-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1px;
    margin-top: 2px;
}

.nct-dur-label {
    display: inline-flex;
    align-items: center;
    gap: 1px;
    font-size: .60rem;
    color: var(--text-subtle);
    cursor: pointer;
    user-select: none;
    line-height: 1;
    min-width: 13px;
    justify-content: center;
}

.nct-dur-radio {
    width: 8px;
    height: 8px;
    margin: 0;
    cursor: pointer;
    accent-color: #888;
}

/* Row group separators:
   - thick line BELOW the B row (separates SATB from Fig/RN)
   - thick line BELOW the Fig row (separates Fig from RN)
*/
.grid-row.row-b .grid-cell,
.grid-row.row-b .grid-label-cell {
    border-bottom: 2px solid var(--border-mid);
}

.grid-row.row-fig .grid-cell,
.grid-row.row-fig .grid-label-cell {
    border-bottom: 1px dashed var(--border-mid);
}

/* Fermata row */
.grid-row.row-fermata .grid-cell {
    border-top: 2px solid var(--border-mid);
    border-bottom: 1px solid var(--border-mid);
    padding: 2px 0;
    text-align: center;
    vertical-align: middle;
    background: var(--bg-subtle, #f8f8f8);
}

.grid-row.row-fermata .grid-label-cell {
    border-top: 2px solid var(--border-mid);
    border-bottom: 1px solid var(--border-mid);
    background: var(--bg-subtle, #f8f8f8);
}

/* NCT checkbox row */
.grid-row.row-nct-cb .grid-cell {
    border-bottom: 2px solid var(--border-mid);
    padding: 2px 0;
    text-align: center;
    vertical-align: middle;
    background: var(--bg-subtle, #f8f8f8);
}

.grid-row.row-nct-cb .grid-label-cell {
    border-bottom: 2px solid var(--border-mid);
    background: var(--bg-subtle, #f8f8f8);
}

.fermata-checkbox {
    width: 9px;
    height: 9px;
    margin: 0;
    cursor: pointer;
    accent-color: #888;
}

/* Grid inputs */
.grid-input {
    width: 52px;
    height: 24px;
    padding: 0 3px;
    border: 1px solid transparent;
    border-radius: 3px;
    font-size: .76rem;
    font-family: var(--font-mono);
    text-align: center;
    outline: none;
    background: transparent;
    color: var(--text);
    transition: border-color .1s, background .1s;
    display: block;
    margin: 0 auto;
}

.grid-input:focus {
    border-color: var(--accent);
    background: rgba(169, 245, 255, .95);
    box-shadow: 0 0 0 2px rgba(45, 74, 110, .1);
    position: relative;
    z-index: 2;
}

.grid-input:not(:placeholder-shown):not(:focus) {
    border-color: var(--border);
    background: rgba(255, 255, 255, .7);
}

/* Per-row colours */
.gi-s {
    color: var(--soprano);
}

.gi-a {
    color: var(--alto);
}

.gi-t {
    color: var(--tenor);
}

.gi-b {
    color: var(--bass-c);
    font-weight: 500;
}

.gi-fig {
    color: var(--fig-color);
}

.gi-rn {
    color: var(--rn-color);
    font-weight: 500;
}

/* Auto-detected RN in Check mode — italicised to distinguish from user-typed */
.gi-rn[data-rn-auto="true"] {
    font-style: italic;
    opacity: 0.75;
}

/* Validation states */
.grid-input.input-valid {
    border-color: rgba(30, 122, 62, .4) !important;
    background: rgba(30, 122, 62, .04) !important;
}

.grid-input.input-invalid {
    border-color: rgba(184, 48, 48, .45) !important;
    background: rgba(184, 48, 48, .04) !important;
}

.grid-input.input-error-voice {
    border-color: var(--error) !important;
    background: rgba(184, 48, 48, .07) !important;
    box-shadow: 0 0 0 1px var(--error);
}

/* MIDI flash */
.grid-input.midi-flash {
    background: rgba(30, 122, 62, .15) !important;
    border-color: var(--ok) !important;
}

/* Dirty-state indicator on Play button */
.btn-play.dirty {
    box-shadow: 0 0 0 2px var(--warning);
}

/* ── Reports row: Voice Leading + Progression side by side ── */
.reports-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    align-items: start;
}

.reports-row .report-panel,
.reports-row .progression-panel {
    min-width: 0;
}

/* ── Presets (now inside modal) ── */
.presets-panel .presets {
    padding: 12px 14px;
}

.presets {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.preset-btn {
    padding: 3px 10px;
    font-size: .74rem;
    background: var(--surface-2);
    border: 1px solid var(--border-mid);
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-muted);
    font-family: var(--font-music);
    font-style: italic;
    transition: all .14s;
}

.preset-btn:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.preset-pending-badge {
    display: inline-block;
    font-size: .62rem;
    padding: 1px 5px;
    border-radius: 8px;
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffc107;
    font-style: normal;
    vertical-align: middle;
    margin-left: 4px;
    font-family: var(--font-ui);
}

/* ── Voice Leading Report ── */
.report-panel .panel-body {
    padding: 10px 13px;
}

.report-ok {
    color: var(--ok);
    font-weight: 600;
    padding: 7px 0;
    font-size: .83rem;
}

.report-error-msg {
    color: var(--error);
    padding: 7px 0;
    font-size: .83rem;
}

.report-summary {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 7px;
}

.report-title {
    font-weight: 700;
    font-size: .83rem;
}

.badge {
    font-size: .67rem;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 10px;
    color: #fff;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.492);
    letter-spacing: 0.4px;
}

.badge-error {
    background: var(--error);
}

.badge-warning {
    background: var(--warning);
}

.report-list {
    list-style: none;
}

.report-item {
    display: flex;
    gap: 8px;
    padding: 3px 8px;
    border-radius: 3px;
    margin-bottom: 2px;
    font-size: .76rem;
    border-left: 3px solid transparent;
}

.report-item.severity-error {
    background: #fef5f5;
    border-left-color: var(--error);
}

.report-item.severity-warning {
    background: #fef8f0;
    border-left-color: var(--warning);
}

.report-loc {
    font-weight: 700;
    white-space: nowrap;
    color: var(--text-muted);
    min-width: 58px;
    font-size: .7rem;
}

.report-msg {
    color: var(--text);
}

/* ── Reference ── (retained for modal content) */
.help-grid {
    padding: 4px 0;
}

.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
    padding: 12px 0;
}

.help-col h3 {
    font-size: .74rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: .05em;
}

.ref-table {
    border-collapse: collapse;
    width: 100%;
    font-size: .73rem;
}

.ref-table td {
    padding: 2px 6px 2px 0;
    vertical-align: top;
    color: var(--text-muted);
}

.ref-table td:first-child {
    white-space: nowrap;
}

.ref-table code {
    font-family: var(--font-mono);
    font-size: .68rem;
    background: #eeebe5;
    padding: 1px 4px;
    border-radius: 3px;
    color: var(--accent);
}

.help-list {
    list-style: none;
    font-size: .73rem;
    color: var(--text-muted);
}

.help-list li {
    padding: 2px 0 2px 10px;
    position: relative;
}

.help-list li::before {
    content: '·';
    position: absolute;
    left: 0;
    color: var(--text-subtle);
}

.help-list strong {
    color: var(--text);
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-mid);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-strong);
}

/* ── Preset group labels ── */
.preset-group-label {
    width: 100%;
    font-size: .7rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-top: 8px;
    margin-bottom: 2px;
    padding-top: 6px;
    border-top: 1px solid var(--border);
}

.preset-group-label:first-child {
    margin-top: 0;
    border-top: none;
    padding-top: 0;
}

/* Separator: dashed line below RN row, above the new CT row */
.grid-row.row-rn .grid-cell,
.grid-row.row-rn .grid-label-cell {
    border-bottom: 1px dashed var(--border-mid);
}

/* CT row label */
.voice-ct {
    color: #7a6a5a;
    font-style: normal;
    font-size: .68rem;
    font-weight: 700;
    font-family: var(--font-ui);
    letter-spacing: .02em;
    cursor: default;
}

/* CT row data cells (display-only, no inputs) */
.grid-row.row-ct .grid-cell {
    padding: 3px 1px;
    vertical-align: middle;
    text-align: center;
    border-bottom: none;
    background-color: rgba(0, 0, 0, .018) !important;
}

.grid-row.row-ct .grid-cell.bar-0 {
    background-color: rgba(94, 58, 122, .04) !important;
}

.grid-row.row-ct .grid-cell.bar-1 {
    background-color: rgba(30, 94, 74, .04) !important;
}

/* Individual chord-tone chips inside each CT cell */
.ct-tone {
    display: inline-block;
    font-size: .6rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    line-height: 1.6;
    padding: 0 1px;
    border-radius: 2px;
    user-select: none;
}

/* Missing tone: amber highlight matching the warning colour theme */
.ct-missing {
    color: #92540a;
    background: rgba(230, 160, 23, .18);
    border: 1px solid rgba(230, 160, 23, .45);
    font-weight: 700;
    padding: 0 2px;
}

/* Show a help cursor when the cell has a "Missing: ..." tooltip */
.ct-cell[title] {
    cursor: help;
}

/*
.satb-click-zones rect {
    fill: rgba(255, 0, 0, 0.15);
    stroke: red;
    stroke-width: 1;
}
    */

/* ── Analyze mode toggle switch ── */
.mode-toggle-group {
    gap: 7px;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 36px;
    height: 20px;
    cursor: pointer;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: #c0621a;
    border-radius: 20px;
    transition: background .2s;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    left: 3px;
    top: 3px;
    background: #fff;
    border-radius: 50%;
    transition: transform .2s;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .25);
}

.toggle-switch input:checked+.toggle-slider {
    background: var(--accent);
}

.toggle-switch input:checked+.toggle-slider::before {
    transform: translateX(16px);
}

.mode-toggle-label {
    font-size: .78rem;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
    transition: color .2s;
}

#modeLabelRealize.mode-label-active {
    color: #c0621a;
}

#modeLabelCheck.mode-label-active {
    color: var(--accent);
}

/* ── Mode info banner ── */
.analyze-banner {
    background: #fdf0e6;
    border-bottom: 1px solid #e8c4a0;
    padding: 6px 18px;
    font-size: .76rem;
    color: #7a3e10;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background .2s, color .2s, border-color .2s;
}

.analyze-banner.analyze-banner-active {
    background: #e8f2fb;
    border-bottom-color: #b3d4ef;
    color: #1a4f72;
}

/* ── Preset info strip ── */
.preset-info-strip {
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
    padding: 6px 18px;
    font-size: .75rem;
    color: var(--text-muted);
    animation: fadeInStrip .2s ease;
}

@keyframes fadeInStrip {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.preset-info-body {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.preset-info-main {
    display: flex;
    align-items: baseline;
    gap: 10px;
    flex-wrap: wrap;
    flex: 1;
}

.preset-info-title {
    font-weight: 700;
    color: var(--text);
    font-size: .78rem;
}

.preset-info-key {
    font-size: .72rem;
    color: var(--text-muted);
    background: var(--surface-3, var(--border));
    padding: 1px 6px;
    border-radius: 3px;
    white-space: nowrap;
}

.preset-info-source {
    font-style: italic;
    color: var(--text-subtle, var(--text-muted));
}

.preset-info-source:empty {
    display: none;
}

.preset-info-desc:empty {
    display: none;
}

.preset-info-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.preset-info-mode {
    font-size: .72rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    white-space: nowrap;
}

.preset-info-mode.mode-hint-realize {
    background: #fde8d4;
    color: #7a3e10;
    border: 1px solid #e8c4a0;
}

.preset-info-mode.mode-hint-check {
    background: #e8f2fb;
    color: #1a4f72;
    border: 1px solid #b3d4ef;
}

.preset-info-mode:empty {
    display: none;
}

.preset-info-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: .8rem;
    padding: 0 2px;
    line-height: 1;
    opacity: .6;
    transition: opacity .15s;
}

.preset-info-close:hover {
    opacity: 1;
}

/* ── Progression analysis panel ── */
.an-key-banner {
    font-size: .76rem;
    padding: 5px 0;
    margin-bottom: 10px;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.an-key-ok {
    color: #2e7d32;
}

.an-key-warn {
    color: #b35c00;
}

.an-key-note {
    color: var(--text-muted);
}

.an-section {
    margin-top: 8px;
    border: 1px solid var(--border);
    border-radius: 5px;
    overflow: hidden;
}

.an-section-title {
    font-size: .76rem;
    font-weight: 600;
    color: var(--text-subtle);
    padding: 5px 10px;
    background: var(--surface-2);
    cursor: pointer;
    user-select: none;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 6px;
}

.an-section-title::-webkit-details-marker {
    display: none;
}

.an-section[open] .an-section-title {
    border-bottom: 1px solid var(--border);
}

.an-chord-list {
    padding: 4px 0;
}

.an-chord-row {
    padding: 5px 10px;
    border-bottom: 1px solid var(--border);
    font-size: .74rem;
}

.an-chord-row:last-child {
    border-bottom: none;
}

/* ── Modulation boundary row ──────────────────────────────────────── */
.an-modulation-row {
    background: color-mix(in srgb, #1a6aa8 7%, transparent);
    border-top: 2px solid #1a6aa8;
    border-bottom: 2px solid #1a6aa8;
    padding: 4px 10px;
}

.an-modulation-label {
    color: #1a6aa8;
    font-size: .72rem;
    font-style: italic;
    letter-spacing: .01em;
}

.an-mod-arrow {
    color: #1a6aa8;
    margin-right: 3px;
    font-size: .70rem;
}

/* ── Modulation grid row ──────────────────────────────────────────── */
.voice-mod {
    font-size: .68rem;
    color: #1a6aa8;
    font-weight: 700;
    letter-spacing: .01em;
    cursor: default;
}

.mod-cell {
    padding: 2px 3px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    min-height: 20px;
}

.mod-checkbox {
    width: 9px;
    height: 9px;
    cursor: pointer;
    accent-color: #1a6aa8;
    vertical-align: middle;
    margin: 0 1px 0 0;
}

.mod-key-wrap {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-top: 2px;
    justify-content: center;
}

.mod-note-sel,
.mod-qual-sel {
    font-size: .60rem;
    padding: 1px 1px;
    border: 1px solid #1a6aa8;
    border-radius: 3px;
    color: #1a6aa8;
    background: white;
    cursor: pointer;
    min-width: 0;
}

.mod-note-sel {
    width: 34px;
}

.mod-qual-sel {
    width: 37px;
}

.an-chord-header {
    display: flex;
    align-items: baseline;
    gap: 7px;
    flex-wrap: wrap;
}

.an-chord-num {
    color: var(--accent);
    font-size: .70rem;
    min-width: 52px;
    cursor: pointer;
    text-decoration: underline dotted;
    text-underline-offset: 2px;
}

.an-chord-num:hover {
    color: var(--accent-h);
    text-decoration: underline;
}

.an-chord-label {
    font-size: .82rem;
    font-family: var(--font-music);
}

.an-chord-qual {
    color: var(--text-muted);
    font-style: italic;
    font-size: .70rem;
}

.an-pivot-eq {
    color: var(--text-muted);
    font-size: .75rem;
    font-family: var(--font-ui);
    font-weight: normal;
    letter-spacing: 0.05em;
}

.an-chord-inv {
    color: var(--text-subtle);
    font-size: .68rem;
}

.an-voice-tones {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 14px;
    margin: 3px 0 2px 52px;
}

.an-voice-item {
    font-size: .70rem;
    color: var(--text);
}

.an-voice-name {
    color: var(--text-muted);
}

.an-doubling {
    margin: 2px 0 0 52px;
    font-size: .70rem;
    color: var(--text-muted);
    font-style: italic;
}

.an-doubling-warn {
    color: var(--text);
    font-style: normal;
}

.an-unknown {
    color: #aaa;
}

/* Harmonic function badges */
.an-func {
    font-size: .60rem;
    font-weight: 700;
    padding: 1px 4px;
    border-radius: 3px;
    letter-spacing: .04em;
}

.an-tonic {
    background: #d4edda;
    color: #2e7d32;
}

.an-predominant {
    background: #fff3cd;
    color: #856404;
}

.an-dominant {
    background: #f8d7da;
    color: #842029;
}

.an-secondary {
    background: #e8d5f5;
    color: #5a2d82;
}

/* Annotation note list */
.an-notes {
    margin: 3px 0 0 52px;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.an-note {
    font-size: .72rem;
    color: var(--text);
    display: flex;
    align-items: baseline;
    gap: 5px;
}

/* Icons within notes */
.an-ok {
    color: #2e7d32;
}

.an-err {
    color: #c0392b;
}

.an-hint {
    color: #b35c00;
}

.an-info {
    color: #1565c0;
}

/* ── Progression panel ── */
.progression-panel .panel-body {
    padding: 10px 13px;
}

/* ── SATB Modals ── */
.satb-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

.satb-modal {
    background: var(--surface);
    border: 1px solid var(--border-mid);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, .22);
    display: flex;
    flex-direction: column;
    max-height: 90vh;
    overflow: hidden;
    width: 600px;
    max-width: 100%;
}

.satb-modal-wide {
    width: 860px;
}

.satb-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 14px;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
    font-size: .72rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: .06em;
    flex-shrink: 0;
}

.satb-modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: .85rem;
    padding: 0 3px;
    line-height: 1;
    opacity: .6;
    transition: opacity .15s;
}

.satb-modal-close:hover {
    opacity: 1;
}

.satb-modal-body {
    padding: 14px 16px;
    overflow-y: auto;
    overflow-x: hidden;
}

/* Help modal — give the help-grid a little breathing room */
.satb-modal-body .help-grid {
    padding: 0;
    gap: 24px;
}

/* Presets inside modal */
.satb-modal-body .presets {
    padding: 0;
}

/* ============================================================
   Attempt Voicing — Fill Suggestion Panel
   Append to style-satb.css
   ============================================================ */

/* ── Attempt Voicing button (tertiary — purple-tinted) ── */
#btnAttemptVoicing {
    background: #f0eaf7;
    color: #5a2d82;
    border-color: #c9b3e0;
}

#btnAttemptVoicing:hover:not(:disabled) {
    background: #e4d6f2;
    border-color: #a07fc8;
    color: #3d1f5a;
}

/* ── Fill Suggestion Panel — outer container ── */
.fill-suggest-panel {
    background: var(--surface);
    border: 1px solid var(--border-mid);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* ── Panel header ── */
.fill-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 13px;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
    font-size: .72rem;
    font-weight: 700;
    color: #5a2d82;
    text-transform: uppercase;
    letter-spacing: .06em;
}

.fill-panel-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: .85rem;
    cursor: pointer;
    padding: 0 3px;
    line-height: 1;
    opacity: .6;
    transition: opacity .15s;
}

.fill-panel-close:hover {
    opacity: 1;
}

/* ── Description bar ── */
.fill-panel-desc {
    padding: 6px 13px;
    background: #faf8fd;
    border-bottom: 1px solid var(--border);
    font-size: .74rem;
    color: var(--text-muted);
    line-height: 1.6;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px 0;
}

/* Confidence colour key — inline in description.
   Swatches mirror the button border-left colors. */
.fill-conf-key {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
    font-size: .71rem;
    color: var(--text-subtle);
    white-space: nowrap;
}

.fill-conf-swatch {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 2px;
    flex-shrink: 0;
}

/* These match the border-left colors on .fill-cand-conf-* below */
.fill-conf-swatch-high {
    background: #2e7d32;
}

.fill-conf-swatch-medium {
    background: #c07000;
}

.fill-conf-swatch-low {
    background: var(--border-strong);
}

/* ── Rows container ── */
.fill-panel-rows {
    padding: 6px 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* ── Individual chord row — single flex line ── */
.fill-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 8px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 5px;
    flex-wrap: wrap;
}

/* Complete rows — shown greyed for context only */
.fill-row-complete {
    opacity: 0.5;
    pointer-events: none;
}

/* NCT and gap rows — dimmer than complete, clearly non-actionable */
.fill-row-readonly {
    opacity: 0.38;
    pointer-events: none;
}

/* PT badge */
.fill-status-nct {
    background: #e8e4f8;
    color: #4a2d82;
    border: 1px solid #c4b0e8;
}

/* Gap badge */
.fill-status-gap {
    background: #f0f0ee;
    color: var(--text-subtle);
    border: 1px solid var(--border);
}

/* Read-only candidate area for NCT and gap rows */
.fill-candidates-readonly {
    pointer-events: none;
}

/* Muted informational text inside readonly rows */
.fill-row-note-muted {
    font-size: .72rem;
    color: var(--text-subtle);
    font-style: italic;
}

/* Label column: chord number + optional badge */
.fill-row-label-col {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 60px;
    flex-shrink: 0;
}

.fill-row-label {
    font-size: .72rem;
    font-weight: 700;
    color: var(--accent);
    font-family: var(--font-ui);
    white-space: nowrap;
}

/* Main area: voice slots + candidates on the same line.
   margin-left on .fill-candidates provides the 20px gap (issue 4). */
.fill-row-main {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 0;
    flex-wrap: wrap;
}

/* ── Status badges ── */
.fill-status-badge {
    display: inline-block;
    font-size: .65rem;
    font-weight: 700;
    padding: 1px 7px;
    border-radius: 10px;
    white-space: nowrap;
    letter-spacing: .03em;
}

/* partial: no badge rendered — voice slots convey the state */

.fill-status-rn-only {
    background: #eeeae5;
    color: var(--text-muted);
    border: 1px solid var(--border-mid);
}

.fill-status-complete {
    background: #f0f0ee;
    color: var(--text-subtle);
    border: 1px solid var(--border);
}

.fill-status-empty {
    background: #e8f2fb;
    color: #1a4f72;
    border: 1px solid #b3d4ef;
}

/* ── Voice slot micro-display ── */
.fill-voice-slots {
    display: flex;
    gap: 3px;
    flex-shrink: 0;
}

.fill-slot {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 30px;
    padding: 2px 3px;
    border-radius: 3px;
    font-size: .68rem;
    line-height: 1.3;
    border: 1px solid transparent;
}

.fill-slot-label {
    font-weight: 700;
    font-size: .58rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--text-subtle);
    font-family: var(--font-ui);
}

.fill-slot-locked {
    background: #ffffff;
    border-color: var(--border-mid);
}

.fill-slot-locked .fill-slot-note {
    color: var(--text);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: .68rem;
}

.fill-slot-empty {
    background: var(--surface-2);
    border-color: var(--border);
    border-style: dashed;
}

.fill-slot-empty .fill-slot-note {
    color: var(--text-subtle);
    font-size: .72rem;
}

/* Inline demo slots used inside description bar */
.fill-slot-inline {
    display: inline-flex;
    flex-direction: row;
    gap: 2px;
    padding: 1px 5px;
    vertical-align: middle;
    min-width: unset;
    font-size: .72rem;
}

.fill-slot-inline .fill-slot-label {
    display: none;
}

/* ── Candidate RN buttons ── */
.fill-candidates {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    align-items: center;
    margin-left: 14px;
    /* 20px gap between B slot and candidates (issue 4) */
}

/* Base button: inline-flex row (no column — keeps reason on same line, issue 6) */
.fill-cand {
    display: inline-flex;
    align-items: center;
    gap: 0;
    padding: 3px 10px;
    background: var(--surface);
    border: 1px solid var(--border-mid);
    border-left-width: 3px;
    /* confidence indicated via left border color */
    border-radius: 5px;
    color: var(--text-muted);
    font-size: .78rem;
    font-family: var(--font-mono);
    font-weight: 500;
    cursor: pointer;
    transition: background .12s, border-color .12s, color .12s;
    white-space: nowrap;
}

.fill-cand:hover {
    background: var(--accent-light);
    border-color: var(--accent);
    color: var(--accent);
}

.fill-cand-selected {
    background: var(--accent-light);
    border-color: var(--accent);
    color: var(--accent);
    font-weight: 700;
    box-shadow: 0 0 0 1px var(--accent);
}

/* Confidence — shown via left border color (key in description bar) */
.fill-cand-conf-high {
    border-left-color: #2e7d32;
}

.fill-cand-conf-medium {
    border-left-color: #c07000;
}

.fill-cand-conf-low {
    border-left-color: var(--border-strong);
}

/* Recommended candidate (melody-only) — amber background tint */
.fill-cand-recommended {
    background: #fffbe6;
    border-color: #e8c840;
    color: #7a5000;
}

.fill-cand-recommended:hover,
.fill-cand-recommended.fill-cand-selected {
    background: var(--accent-light);
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

/* "Do not Change" — dashed at rest, identical selected state to all other buttons */
.fill-cand-skip {
    font-style: italic;
    font-family: var(--font-ui);
    font-size: .74rem;
    border-style: dashed;
    border-left-style: dashed;
    color: var(--text-subtle);
}

.fill-cand-skip:hover,
.fill-cand-skip.fill-cand-selected {
    background: var(--accent-light);
    border-color: var(--accent);
    border-style: solid;
    color: var(--accent);
    font-weight: 700;
    box-shadow: 0 0 0 1px var(--accent);
}

/* Reason text (bracketed) inline after RN — no stacking (issue 6) */
.fill-cand-reason {
    font-size: .68rem;
    font-family: var(--font-ui);
    font-weight: 400;
    color: var(--text-subtle);
    white-space: nowrap;
    margin-left: 4px;
}

.fill-cand:hover .fill-cand-reason,
.fill-cand-selected .fill-cand-reason {
    color: var(--accent);
    opacity: 0.8;
}

/* RN label in a complete (greyed) row */
.fill-complete-rn {
    font-family: var(--font-mono);
    font-size: .82rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 3px 8px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 5px;
}

/* Melody-hint — inline span, no block/wrapping (issue 5) */
.fill-melody-hint {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: .72rem;
    color: var(--text-muted);
    font-style: italic;
    white-space: nowrap;
    margin-right: 12px;
    /* gap between hint and first button (Do not Change) */
}

.fill-melody-hint i {
    color: #1a4f72;
    flex-shrink: 0;
}

/* Zero-note warn row: same left margin as candidate rows */
.fill-candidates-warn {
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}

/* ── Custom / manual RN text input ── */
.fill-rn-input {
    height: 26px;
    padding: 0 8px;
    background: var(--surface);
    border: 1px solid var(--border-mid);
    border-radius: 4px;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: .78rem;
    width: 100px;
    transition: border-color .12s, box-shadow .12s;
}

.fill-rn-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(45, 74, 110, .1);
}

/* ── Too-few-notes warning ── */
.fill-warn {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: .74rem;
    color: #7a4f00;
    font-style: italic;
}

.fill-warn i {
    color: #c07000;
    flex-shrink: 0;
}

/* ── Panel footer ── */
.fill-panel-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 8px 13px;
    border-top: 1px solid var(--border);
    background: var(--surface-2);
}

.fill-panel-btns {
    display: flex;
    gap: 7px;
}

/* ── RN hint in col label ── */
.fill-row-rn-hint {
    font-weight: 400;
    color: var(--text-muted);
    font-size: .68rem;
}

/* ── Complete row controls wrapper ── */
.fill-complete-row-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

/* ── Additional Voicings trigger button ── */
.btn-additional-voicings {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 9px;
    font-size: .71rem;
    font-weight: 600;
    border: 1px solid #7c3aed;
    border-radius: 4px;
    background: #f3eeff;
    color: #5a2d82;
    cursor: pointer;
    transition: background .15s;
    pointer-events: auto;
    /* overrides pointer-events:none on .fill-row-complete */
}

.btn-additional-voicings:hover:not(:disabled) {
    background: #e8d5ff;
}

.btn-additional-voicings:disabled,
.btn-av-disabled {
    opacity: 0.38;
    cursor: not-allowed;
    border-color: var(--border);
    color: var(--text-muted);
    background: var(--surface-2);
}

/* ── Voicing Popup ── */
.vp-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9000;
    width: 60vw;
    max-height: 60vh;
    border: 1.5px solid #7c3aed;
    border-radius: 8px;
    background: var(--surface);
    box-shadow: 0 8px 40px rgba(80, 40, 160, .25);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.vp-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 13px;
    background: #f0eaff;
    border-bottom: 1px solid #c4b0e8;
    font-size: .72rem;
    font-weight: 700;
    color: #5a2d82;
    text-transform: uppercase;
    letter-spacing: .06em;
}

.vp-total-count {
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    color: var(--text-muted);
    margin-left: 4px;
}

.vp-legend {
    padding: 4px 13px;
    font-size: .70rem;
    color: var(--text-subtle);
    background: #faf8fd;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 3px;
    flex-wrap: wrap;
}

.vp-body {
    overflow-y: auto;
    flex: 1;
    padding: 8px 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.vp-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.vp-group-label {
    font-size: .69rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: #5a2d82;
    padding-bottom: 3px;
    border-bottom: 1px solid #e0d4f8;
}

.vp-group-count {
    font-weight: 400;
    color: var(--text-muted);
}

.vp-group-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

/* Individual voicing button */
.vp-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 8px;
    font-size: .71rem;
    font-family: var(--font-mono);
    font-weight: 600;
    border: 1.5px solid var(--border);
    border-radius: 4px;
    background: var(--surface-2);
    color: var(--text);
    cursor: pointer;
    transition: background .12s, border-color .12s;
    white-space: nowrap;
}

.vp-btn:hover {
    background: #ede8ff;
    border-color: #9c7de0;
}

.vp-btn-selected {
    background: #5a2d82 !important;
    color: #fff !important;
    border-color: #5a2d82 !important;
}

/* Dashed border = currently entered voicing */
.vp-btn-current {
    border-style: dashed;
    border-color: #7c3aed;
}

/* Severity left-bar */
.vp-btn-ok {
    border-left: 3px solid #2e7d32;
}

.vp-btn-minor {
    border-left: 3px solid #c07000;
}

.vp-btn-serious {
    border-left: 3px solid #c62828;
}

/* Violation dot */
.vp-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}

.vp-dot-ok {
    background: #2e7d32;
}

.vp-dot-minor {
    background: #c07000;
}

.vp-dot-serious {
    background: #c62828;
}

.vp-footer {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    padding: 7px 12px;
    border-top: 1px solid var(--border);
    background: var(--surface-2);
}

/* ── Per-chord voice-leading errors inside Progression Analysis rows ── */
.an-vl-err-icon {
    color: var(--error);
}

.an-vl-warn-icon {
    color: #c07000;
}

.an-vl-error {
    color: var(--error);
}

.an-vl-warning {
    color: #7a4f00;
}

/* Summary badge row at top of progression panel content */
.an-vl-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 0 6px;
    min-height: 4px;
}

.an-vl-summary {
    display: flex;
    gap: 5px;
    align-items: center;
}

/* ── Help modal — extended layout ── */
.help-body {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.help-section {
    padding: 14px 0 10px;
    border-bottom: 1px solid var(--border);
}

.help-section-last {
    border-bottom: none;
}

.help-section-title {
    font-size: .78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--accent);
    margin-bottom: 8px;
}

.help-sub-title {
    font-size: .72rem;
    font-weight: 700;
    color: #88623d;
    margin: 10px 0 5px;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.help-intro {
    font-size: .78rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    line-height: 1.55;
}

.help-note {
    font-size: .72rem;
    color: var(--text-muted);
    background: var(--surface-2);
    border-left: 3px solid var(--border-mid);
    padding: 5px 9px;
    border-radius: 0 4px 4px 0;
    margin-top: 8px;
    line-height: 1.45;
}

.help-note i {
    margin-right: 4px;
    opacity: .7;
}

/* Two-column layout for mode cards and some tables */
.help-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    align-items: start;
}

.help-two-col-narrow {
    grid-template-columns: auto 1fr;
}

/* Three-column layout for RN reference */
.help-three-col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    align-items: start;
}

/* Mode cards */
.help-mode-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 13px;
    font-size: .76rem;
    color: var(--text);
    line-height: 1.55;
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.help-mode-heading {
    font-weight: 700;
    font-size: .78rem;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 2px;
}

.help-mode-realize {
    border-left: 3px solid #c0621a;
}

.help-mode-realize .help-mode-heading {
    color: #c0621a;
}

.help-mode-check {
    border-left: 3px solid var(--accent);
}

.help-mode-check .help-mode-heading {
    color: var(--accent);
}

/* Controls table */
.help-controls-table td:first-child {
    white-space: nowrap;
    font-size: .74rem;
    padding-right: 12px;
    vertical-align: top;
    padding-top: 4px;
}

.help-controls-table td:last-child {
    font-size: .74rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Grid rows table */
.help-grid-table td:first-child {
    font-family: var(--font-mono);
    font-size: .78rem;
    white-space: nowrap;
    color: var(--accent);
    padding-right: 10px;
    vertical-align: top;
    padding-top: 4px;
}

/* NCT table */
.help-nct-table td:first-child {
    font-family: var(--font-mono);
    font-size: .76rem;
    color: var(--accent);
    white-space: nowrap;
    padding-right: 8px;
    vertical-align: top;
    padding-top: 3px;
}

.help-nct-table td:nth-child(2) {
    font-weight: 600;
    white-space: nowrap;
    padding-right: 10px;
    vertical-align: top;
    padding-top: 3px;
    font-size: .74rem;
}

/* kbd element for keyboard shortcuts */
kbd {
    display: inline-block;
    padding: 1px 5px;
    font-size: .7rem;
    font-family: var(--font-mono);
    background: var(--surface-2);
    border: 1px solid var(--border-mid);
    border-bottom-width: 2px;
    border-radius: 3px;
    color: var(--text);
    white-space: nowrap;
}

/* Collapse to single column on narrow viewports */
@media (max-width: 680px) {

    .help-two-col,
    .help-three-col {
        grid-template-columns: 1fr;
    }
}