/* Fretnetic — view styles for Progressions (.prg-*), Circle of Fifths (.cof-*) and Scale Finder (.sf-*). */

/* =====================================================================
   Progressions
   ===================================================================== */
.view-progressions { --fn-tonic: var(--accent); --fn-sub: var(--info); --fn-dom: var(--accent-2); }
.prg-toolbar .root-picker { max-width: 100%; }
.prg-transpose { gap: 6px; flex-wrap: nowrap; }
.prg-keyname { font-family: var(--font-display); margin-left: 6px; white-space: nowrap; }

.prg-layout { display: grid; grid-template-columns: minmax(290px, 360px) minmax(0, 1fr); gap: 16px; align-items: start; }
.prg-layout > .card + .card { margin-top: 0; }

/* Source (library / builder) */
.prg-source { display: flex; flex-direction: column; gap: 12px; }
.prg-source > .seg { align-self: flex-start; }
.prg-source-body { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.prg-filters { gap: 8px; }
.prg-filters .select { flex: 1; min-width: 120px; }
.prg-lib-list { display: flex; flex-direction: column; gap: 8px; max-height: 620px; overflow-y: auto; padding-right: 2px; }
.prg-lib-card { text-align: left; display: flex; flex-direction: column; gap: 4px; padding: 10px 12px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface-2); cursor: pointer; transition: border-color .15s, background .15s; }
.prg-lib-card:hover { border-color: var(--border-strong); background: var(--surface-3); }
.prg-lib-card.active { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.prg-lib-top { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.prg-lib-top b { font-family: var(--font-display); margin-right: auto; }
.prg-lib-roman { font-family: var(--mono); font-size: 13px; color: var(--accent); }
.prg-lib-names { font-size: 12.5px; }

/* Builder */
.prg-builder-head { gap: 8px; margin-top: 4px; }
.prg-sub { margin-top: 4px; }
.prg-add-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(62px, 1fr)); gap: 6px; }
.prg-add { display: flex; flex-direction: column; align-items: center; gap: 1px; padding: 6px 4px; border-radius: 9px; border: 1px solid var(--border); background: var(--surface-2); cursor: pointer; min-width: 0; }
.prg-add:hover { border-color: var(--accent); background: var(--accent-soft); }
.prg-add b { font-family: var(--font-display); font-size: 14px; }
.prg-add small { font-size: 11px; color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.prg-add.borrowed { border-style: dashed; }
.prg-add.borrowed:hover { border-color: var(--accent-2); background: color-mix(in srgb, var(--accent-2) 12%, transparent); }
.prg-chips { display: flex; flex-wrap: wrap; gap: 6px; min-height: 40px; }
.prg-chips > p { margin: 8px 0; }
.prg-chip { display: inline-flex; align-items: center; border: 1px solid var(--border-strong); background: var(--surface-2); border-radius: var(--radius); overflow: hidden; }
.prg-chip-body { display: flex; flex-direction: column; align-items: center; padding: 3px 4px; line-height: 1.15; }
.prg-chip-body b { font-family: var(--font-display); font-size: 13.5px; }
.prg-chip-body small { font-size: 10.5px; color: var(--text-3); }
.prg-chip-move, .prg-chip-x { background: transparent; border: 0; color: var(--text-3); cursor: pointer; padding: 0 5px; align-self: stretch; font-size: 16px; }
.prg-chip-move:hover:not(:disabled), .prg-chip-x:hover { color: var(--text); background: var(--surface-3); }
.prg-chip-move:disabled { opacity: .25; cursor: default; }
.prg-chip-x .icon { width: 13px; height: 13px; }
.prg-type { flex-wrap: nowrap; gap: 6px; }
.prg-input { flex: 1; min-width: 0; font-family: var(--mono); font-size: 13px; }
.prg-err { color: var(--bad-text); font-size: 13px; min-height: 0; }
.prg-err:empty { display: none; }
.prg-hint { font-size: 12.5px; margin: 0; }

/* Stage */
.prg-stage { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.prg-stage-head h2 { font-size: 22px; margin-right: 4px; }
.prg-desc { margin: 6px 0 0; }
.prg-stage-controls { display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: flex-end; }
.prg-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)); gap: 10px; }
.prg-empty { grid-column: 1 / -1; }
.prg-chord { --fn: var(--fn-tonic); position: relative; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 6px 8px; border-radius: var(--radius); background: var(--surface-2); border: 1px solid var(--border); cursor: pointer; transition: transform .15s, border-color .15s, box-shadow .15s; min-width: 0; }
.prg-chord.fn-sub { --fn: var(--fn-sub); }
.prg-chord.fn-dom { --fn: var(--fn-dom); }
.prg-chord:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--fn) 60%, var(--border)); border-top-color: var(--fn); }
.prg-chord.current { border-color: var(--fn); box-shadow: 0 0 0 2px color-mix(in srgb, var(--fn) 30%, transparent); background: color-mix(in srgb, var(--fn) 9%, var(--surface-2)); }
.prg-cards.is-playing .prg-chord.current { transform: translateY(-3px) scale(1.02); }
.prg-chord-top { display: flex; align-items: center; gap: 6px; width: 100%; padding: 0 2px; }
.prg-num { font-size: 10.5px; color: var(--text-2); font-weight: 700; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.prg-roman { font-family: var(--font-display); font-weight: 700; font-size: 15px; color: var(--fn); }
.prg-tag { margin-left: auto; font-size: 9.5px; text-transform: uppercase; letter-spacing: .06em; font-weight: 700; color: var(--warn-text); }
.prg-name { font-family: var(--font-display); font-size: 19px; font-weight: 700; line-height: 1.2; text-align: center; }
.prg-was { font-size: 11px; line-height: 1.1; }
.prg-chord .chord-diagram { width: 100%; max-width: 118px; }
.prg-noshape { font-size: 12px; text-align: center; padding: 30px 4px; }
.prg-chord-foot { display: flex; justify-content: space-between; align-items: center; width: 100%; gap: 4px; padding: 0 2px; }
.prg-fn { font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--fn); }
.prg-chord-foot .vc-meta { font-size: 10.5px; white-space: nowrap; }

/* Player */
.prg-playbar { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px 20px; padding-top: 12px; border-top: 1px solid var(--border); }
.prg-play { min-width: 104px; }
.prg-bpm { display: flex; align-items: center; gap: 8px; min-width: 200px; }
.prg-bpm .range { width: 140px; }
.prg-bpm-val { font-family: var(--mono); min-width: 3ch; text-align: right; }
.prg-checks { gap: 4px; }

/* Big fretboard */
.prg-fb-card { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.prg-now { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.prg-now-label { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; font-weight: 600; }
.prg-now-name { font-family: var(--font-display); font-size: 24px; }
.prg-now-roman { font-family: var(--font-display); font-weight: 700; color: var(--text-2); }
.prg-fn-chip { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; text-transform: uppercase; letter-spacing: .05em; color: var(--fn-tonic); background: color-mix(in srgb, var(--fn-tonic) 15%, transparent); }
.prg-fn-chip.fn-sub { color: var(--fn-sub); background: color-mix(in srgb, var(--fn-sub) 15%, transparent); }
.prg-fn-chip.fn-dom { color: var(--fn-dom); background: color-mix(in srgb, var(--fn-dom) 15%, transparent); }
.prg-fb-card .fretboard-wrap { border: 0; padding: 4px 0 0; background: transparent; }
.prg-legend-ghost { background: var(--fb-ghost); border: 1.5px solid var(--text-3); }

/* Bottom cards */
.prg-bottom { margin-top: 16px; }
.prg-bottom > .card + .card { margin-top: 0; }
.prg-solo-list { display: flex; flex-direction: column; }
.prg-solo-row { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.prg-solo-row:last-child { border-bottom: 0; }
.prg-solo-main { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.prg-solo-notes { font-size: 13px; color: var(--accent); }
.prg-solo-actions { flex-wrap: nowrap; gap: 6px; }
.prg-keyring { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 6px; margin: 10px 0; }
.prg-keybtn { padding: 7px 0; border-radius: 9px; border: 1px solid var(--border); background: var(--surface-2); font-weight: 600; cursor: pointer; font-family: var(--font-display); }
.prg-keybtn:hover { border-color: var(--accent); }
.prg-keybtn.active { background: var(--select); color: var(--select-ink); border-color: var(--select); }
.prg-keys-actions { margin-bottom: 8px; }

@media (max-width: 1100px) {
  .prg-layout { grid-template-columns: minmax(0, 1fr); }
  .prg-lib-list { max-height: 360px; }
}
@media (max-width: 520px) {
  .prg-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .prg-name { font-size: 17px; }
  .prg-bpm { min-width: 0; }
  .prg-bpm .range { width: 120px; }
  .prg-solo-row { flex-wrap: wrap; }
  .prg-keyring { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .prg-transpose { flex-wrap: wrap; }
}

/* =====================================================================
   Circle of Fifths
   ===================================================================== */
.cof-toolbar { align-items: center; }
.cof-kbd-hint { margin: 0; font-size: 12.5px; flex: 1 1 240px; }
.cof-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.cof-layout > .card + .card { margin-top: 0; }
.cof-wheel-card { display: flex; flex-direction: column; align-items: center; gap: 12px; position: sticky; top: 72px; }
.cof-svg { width: 100%; max-width: 560px; height: auto; display: block; overflow: visible; border-radius: 50%; }
.cof-svg:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
.cof-halo { fill: none; stroke: var(--border); stroke-width: 1; }
.cof-seg { cursor: pointer; }
.cof-seg path { stroke: var(--surface); stroke-width: 2.5; transition: fill .25s, filter .2s; }
.cof-major path { fill: var(--surface-3); }
.cof-minor path { fill: var(--surface-2); }
.cof-sig path { fill: var(--bg-2); }
.cof-seg:hover path { filter: brightness(1.18); }
.cof-name { fill: var(--text); font-family: var(--font-display); font-weight: 700; pointer-events: none; }
.cof-major .cof-name { font-size: 27px; }
.cof-major .cof-name.two { font-size: 21px; }
.cof-minor .cof-name { font-size: 17px; fill: var(--text-2); }
.cof-minor .cof-name.two { font-size: 13.5px; }
.cof-name.alt { fill: var(--text-2); }
.cof-sig .cof-name { font-size: 14px; fill: var(--text-3); font-family: var(--font); font-weight: 700; }
.cof-roman { font-size: 13px; font-weight: 800; fill: var(--accent); font-family: var(--font-display); pointer-events: none; }
.cof-minor .cof-roman { font-size: 11.5px; }
.cof-seg.fam path { fill: color-mix(in srgb, var(--accent) 22%, var(--surface-2)); }
.cof-seg.fam .cof-name { fill: var(--text); }
.cof-seg.sel path { fill: var(--accent); }
.cof-seg.sel .cof-name, .cof-seg.sel .cof-roman { fill: var(--accent-ink); }
.cof-seg.dim path { fill: color-mix(in srgb, var(--accent-2) 16%, var(--surface-2)); stroke-dasharray: 5 4; }
.cof-seg.dim .cof-roman { fill: var(--accent-2); }
.cof-sig.fam path { fill: color-mix(in srgb, var(--accent) 30%, var(--bg-2)); }
.cof-sig.fam .cof-name { fill: var(--text); }
.cof-center { fill: var(--surface); stroke: var(--border-strong); stroke-width: 1.5; }
.cof-center-name { fill: var(--text); font-family: var(--font-display); font-weight: 700; font-size: 38px; }
.cof-center-sig { fill: var(--text-3); font-size: 15px; font-weight: 600; }
.cof-legend { justify-content: center; }
.cof-sw { border-radius: 4px !important; }
.cof-sw.sel { background: var(--select); }
.cof-sw.fam { background: color-mix(in srgb, var(--accent) 30%, var(--surface-2)); border: 1px solid var(--accent); }
.cof-sw.dim { background: color-mix(in srgb, var(--accent-2) 22%, var(--surface-2)); border: 1px dashed var(--accent-2); }

.cof-panel { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.cof-panel-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; flex-wrap: wrap; }
.cof-panel-head h2 { font-size: 26px; }
.cof-sigline { margin: 2px 0 0; }
.cof-block { display: flex; flex-direction: column; gap: 8px; }
.cof-block-head { gap: 8px; }
.cof-accs { display: flex; flex-wrap: wrap; gap: 6px; }
.cof-acc { font-family: var(--font-display); font-weight: 700; font-size: 16px; padding: 3px 11px; border-radius: 9px; border: 1px solid var(--border); background: var(--surface-2); }
.cof-acc.sharp { color: var(--accent); }
.cof-acc.flat { color: var(--accent-2); }
.cof-chords { display: grid; grid-template-columns: repeat(auto-fill, minmax(76px, 1fr)); gap: 6px; }
.cof-chord { display: flex; flex-direction: column; align-items: center; gap: 1px; padding: 7px 4px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface-2); cursor: pointer; min-width: 0; }
.cof-chord:hover { border-color: var(--accent); }
.cof-chord.active { border-color: var(--accent); background: var(--accent-soft); }
.cof-chord-roman { font-size: 12px; font-weight: 700; color: var(--accent); font-family: var(--font-display); }
.cof-chord b { font-family: var(--font-display); font-size: 15px; white-space: nowrap; }
.cof-preview { display: flex; align-items: center; gap: 14px; min-height: 40px; font-size: 13px; }
.cof-preview .chord-diagram { flex: none; }
.cof-preview-text { display: flex; flex-direction: column; gap: 3px; font-size: 13.5px; min-width: 0; }
.cof-rels { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.cof-rel { display: flex; flex-direction: column; align-items: flex-start; gap: 1px; text-align: left; padding: 8px 10px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface-2); cursor: pointer; min-width: 0; }
.cof-rel:hover { border-color: var(--accent); }
.cof-rel small { font-size: 10.5px; text-transform: uppercase; letter-spacing: .07em; color: var(--text-3); font-weight: 700; }
.cof-rel b { font-family: var(--font-display); }
.cof-rel .faint { font-size: 12px; }
.cof-fb .fretboard { min-width: 560px; }

.cof-explain { margin-top: 16px; }
.cof-tips { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px 20px; }
.cof-tip h4 { font-size: 14.5px; margin-bottom: 4px; }
.cof-tip p { font-size: 14px; margin: 0; }

@media (max-width: 1000px) {
  .cof-layout { grid-template-columns: minmax(0, 1fr); }
  .cof-wheel-card { position: static; }
  .cof-svg { max-width: 460px; }
}
@media (max-width: 520px) {
  .cof-rels { grid-template-columns: minmax(0, 1fr); }
  .cof-panel-head h2 { font-size: 22px; }
  .cof-kbd-hint { display: none; }
}

/* =====================================================================
   Scale Finder
   ===================================================================== */
.sf-toolbar { align-items: flex-end; }
.sf-presets { gap: 6px; }
.sf-notes-card { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.sf-notes-head { gap: 8px; }
.sf-note-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 6px; }
.sf-note { padding: 9px 0; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface-2); font-family: var(--font-display); font-weight: 700; font-size: 15px; cursor: pointer; transition: background .15s, border-color .15s, transform .08s; }
.sf-note:hover { border-color: var(--accent); }
.sf-note:active { transform: translateY(1px); }
.sf-note.on { background: var(--select); color: var(--select-ink); border-color: var(--select); }
.sf-note.on.is-root { background: var(--accent-2); border-color: var(--accent-2); color: var(--accent-2-ink); }
.sf-summary { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; min-height: 30px; }
.sf-fb-hint { font-size: 13px; margin: 8px 2px 16px; gap: 8px; }
.sf-preview-tag { color: var(--accent-2); font-weight: 600; }

.sf-results { display: grid; grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr); gap: 16px; align-items: start; }
.sf-results > .card + .card { margin-top: 0; }
.sf-few { margin-bottom: 8px; }
.sf-group + .sf-group { margin-top: 18px; }
.sf-group-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.sf-group-head h4 { font-size: 15px; }
.sf-group-head .faint { font-size: 12.5px; }
.sf-row { display: grid; grid-template-columns: minmax(170px, 1.1fr) minmax(0, 1.4fr) auto; gap: 10px; align-items: center; padding: 8px 6px; border-bottom: 1px solid var(--border); border-radius: 8px; }
.sf-row:last-of-type { border-bottom: 0; }
.sf-row.previewing { background: color-mix(in srgb, var(--accent-2) 9%, transparent); }
.sf-row-name { display: flex; flex-direction: column; align-items: flex-start; text-align: left; background: none; border: 0; padding: 0; cursor: pointer; min-width: 0; }
.sf-row-name b { font-family: var(--font-display); font-size: 14.5px; }
.sf-row-name:hover b { color: var(--accent); }
.sf-row-name small { font-size: 12px; }
.sf-row-notes { display: flex; flex-wrap: wrap; gap: 4px; }
.sf-n { font-family: var(--font-display); font-weight: 600; font-size: 13px; padding: 1px 7px; border-radius: 7px; background: var(--accent-soft); color: var(--text); border: 1px solid transparent; }
.sf-n.root { border-color: var(--accent); }
.sf-n.extra { background: color-mix(in srgb, var(--accent-2) 16%, transparent); color: var(--accent-2); border-style: dashed; border-color: var(--accent-2); }
.sf-row-actions { display: flex; gap: 6px; }
.sf-more { margin-top: 8px; }

.sf-bass { font-size: 12.5px; }
.sf-chord-list { display: flex; flex-direction: column; gap: 6px; }
.sf-chord { display: flex; align-items: stretch; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-2); overflow: hidden; }
.sf-chord.best { border-color: var(--accent); }
.sf-chord-main { flex: 1; display: flex; flex-direction: column; align-items: flex-start; text-align: left; background: none; border: 0; padding: 7px 10px; cursor: pointer; min-width: 0; }
.sf-chord-main b { font-family: var(--font-display); font-size: 16px; }
.sf-chord-main small { font-size: 12px; }
.sf-chord-main:hover { background: var(--surface-3); }
.sf-chord-link { display: grid; place-items: center; padding: 0 10px; border-left: 1px solid var(--border); color: var(--text-2); }
.sf-chord-link:hover { color: var(--accent); background: var(--surface-3); }

@media (max-width: 1000px) {
  .sf-results { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .sf-note-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .sf-row { grid-template-columns: minmax(0, 1fr) auto; }
  .sf-row-notes { grid-column: 1 / -1; grid-row: 2; }
  .sf-toolbar .spacer { display: none; }
}