/* Riffwork · Free Tools — shared family theme (pro studio dark).
   Single source of styling for every tool page. Values mirror
   gp-core/src/ui/tokens.css (the family spine) — if you change one,
   change both. Legacy var names kept so per-page inline styles keep
   working. CRT/terminal effects removed 2026-07-04 (redesign pass). */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700;800&display=swap');

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

:root {
  --bg: #101114; --surface: #17181c; --surface2: #1d1f24; --border: #2a2d33;
  --border2: #3a3e46; --accent: #ffb454; --accent-dim: #c08b45;
  --accent-ink: #201503; --accent-tint: rgba(255,180,84,0.13);
  --amber-bri: #ffc272; --glow: rgba(0,0,0,0);
  --danger: #ff5e5e; --warn: #e8c268; --ok: #6fd68b;
  --text: #e8e9ec; --muted: #9aa0a8; --radius: 8px;
  --sans: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Consolas, monospace;
  color-scheme: dark;

  /* Second brand accent — reserved for live/playing state, distinct from the
     primary amber (static controls) and --ok/--warn/--danger (status colors).
     Mirrors RigWork/Riffwork's --accent-live; not yet promoted to the gp-core
     spine, kept in sync by hand across all three repos for now. */
  --accent-live: #3ddbd0;
  --accent-live-tint: rgba(61, 219, 208, 0.14);
}

html { min-height: 100vh; background: var(--bg); }
body {
  font-family: var(--sans);
  background: var(--bg); color: var(--text); min-height: 100vh;
  padding: 20px 16px 32px; max-width: 720px; margin: 0 auto;
  font-size: 15px; line-height: 1.58;
  -webkit-font-smoothing: antialiased;
}
@keyframes blink { 50% { opacity: 0; } }

/* Top header / back-to-hub bar */
.topbar { display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--border);
  padding-bottom: 10px; margin-bottom: 20px; font-family: var(--mono); }
.topbar .home { color: var(--muted); font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; font-size: 0.76rem; }
.topbar .home:hover { color: var(--accent); }
.topbar .crumb { color: var(--muted); font-size: 0.76rem; }
.topbar .crumb::before { content: "/ "; color: var(--border2); }

a { color: var(--accent-dim); text-decoration: none; }
a:hover { color: var(--accent); }

h1, h1.cursor { font-size: 1.45rem; font-weight: 700; color: var(--text);
  letter-spacing: -0.01em; margin-bottom: 4px; }
.subtitle { color: var(--muted); font-size: 0.85rem; margin-bottom: 18px; line-height: 1.5; }
.subtitle b { color: var(--text); font-weight: 600; }

.card { background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px 18px; margin-bottom: 14px; }
.card-title { font-size: 0.72rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--muted); margin-bottom: 12px; }

label { display: block; font-size: 0.8rem; color: var(--muted); margin-bottom: 4px; }
input, select, textarea { width: 100%; background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); font-family: var(--mono); font-size: 0.92rem;
  padding: 8px 10px; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
/* Hardware-fader skin, shared with RigWork/Riffwork's mixer/tweak sliders — grooved
   track + metal cap with grip-line ridge, instead of a bare native range input, on
   every tool page that uses input[type=range]. */
input[type=range] {
  -webkit-appearance: none; appearance: none; height: 16px;
  padding: 0; border: none; background: transparent; cursor: ew-resize;
}
input[type=range]::-webkit-slider-runnable-track {
  height: 5px; border-radius: 999px;
  background: repeating-linear-gradient(90deg, var(--border2) 0 1px, transparent 1px 12px), var(--bg);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.7), inset 0 0 0 1px var(--border);
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 11px; height: 18px; border-radius: 3px; margin-top: -6.5px;
  background:
    linear-gradient(90deg, transparent 44%, rgba(0, 0, 0, 0.4) 46% 54%, transparent 56%),
    linear-gradient(90deg, #4d515a, #2b2d33 55%, #3a3d44);
  border: 1px solid var(--border2);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.18) inset, 0 2px 6px rgba(0, 0, 0, 0.6);
}
input[type=range]::-webkit-slider-thumb:hover, input[type=range]:focus-visible::-webkit-slider-thumb {
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.18) inset, 0 2px 6px rgba(0, 0, 0, 0.6), 0 0 0 2px var(--accent-dim);
}
input[type=range]::-moz-range-track {
  height: 5px; background: var(--bg);
  border-radius: 999px; box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.7), inset 0 0 0 1px var(--border);
}
input[type=range]::-moz-range-thumb {
  width: 11px; height: 18px; border-radius: 3px;
  background: linear-gradient(90deg, #4d515a, #2b2d33 55%, #3a3d44);
  border: 1px solid var(--border2);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.18) inset, 0 2px 6px rgba(0, 0, 0, 0.6);
}
.field { margin-bottom: 12px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.row.three { grid-template-columns: 1fr 1fr 1fr; }

.btn { width: 100%; padding: 10px; background: var(--surface2); border: 1px solid var(--border2);
  border-radius: var(--radius); color: var(--text); font-family: var(--sans); font-size: 0.88rem;
  font-weight: 550; cursor: pointer; transition: background 0.13s, border-color 0.13s, color 0.13s; }
.btn:hover { border-color: var(--accent-dim); background: var(--surface); color: var(--amber-bri); }

/* segmented controls / pills (common class names across the tools) */
.pb, .pat-btn, .root-btn, .patch-btn, .rb, .sb, .pat, .chip, .tab, .seg-btn, .opt-btn {
  font-family: var(--mono); border-radius: var(--radius); transition: 0.13s; }
.pb.on, .pat-btn.on, .patch-btn.on, .rb.on, .pat.on, .tab.on, .seg-btn.on, .opt-btn.on,
.pb.active, .tab.active, .root-btn.on {
  border-color: var(--accent); color: var(--accent); background: var(--accent-tint); }
.sb.on, .chip.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

.result-box { border: 1px solid var(--border2); border-radius: 12px; padding: 20px;
  text-align: center; margin-bottom: 16px; background: var(--surface); }
.result-big { font-size: 2.4rem; font-weight: 700; color: var(--accent); line-height: 1;
  font-family: var(--mono); }
.result-label { font-size: 0.8rem; color: var(--muted); margin-top: 6px; }

.muted { color: var(--muted); }
.ok { color: var(--ok); } .warn { color: var(--warn); } .danger { color: var(--danger); }
.note { font-size: 0.76rem; color: var(--muted); border-left: 2px solid var(--border2);
  padding-left: 9px; line-height: 1.45; margin-top: 8px; }

.back { font-size: 0.8rem; color: var(--muted); display: inline-block; margin-bottom: 16px; }
.back::before { content: "← "; }
.back:hover { color: var(--accent); }
footer { margin-top: 32px; color: var(--muted); font-size: 0.78rem;
  border-top: 1px solid var(--border); padding-top: 16px; line-height: 1.6; }
.disclaimer { color: var(--muted); font-size: 0.68rem; line-height: 1.4; opacity: 0.8; margin-bottom: 10px; }
.disclaimer strong { color: var(--warn); }
.ver { color: var(--muted); font-size: 0.7rem; letter-spacing: 0.04em; font-family: var(--mono); }

@media (min-width: 768px)  { body { max-width: 1024px; } }
@media (min-width: 1200px) { body { max-width: 1366px; } }

.card-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin-bottom: 16px; }
.card-grid .card { margin-bottom: 0; }
@media (min-width: 768px) { .card-grid { grid-template-columns: 1fr 1fr; align-items: start; } }

.tldr { border-left: 3px solid var(--accent); padding: 7px 10px; font-size: 0.8rem;
  color: var(--text); margin-bottom: 14px; line-height: 1.45; background: var(--accent-tint);
  border-radius: 0 var(--radius) var(--radius) 0; }

.style-table { display: flex; flex-direction: column; }
.style-row { display: grid; grid-template-columns: max-content 1fr; gap: 12px; padding: 9px 0;
  border-bottom: 1px solid var(--border); align-items: start; }
.style-row:last-child { border-bottom: none; }
.sr-name { font-size: 0.78rem; font-weight: 600; color: var(--accent); line-height: 1.3;
  padding-top: 1px; white-space: nowrap; }
.sr-body { display: flex; flex-direction: column; gap: 3px; }
.sr-range { font-family: var(--mono); font-size: 0.74rem; color: var(--accent-dim); }
.sr-tip { font-size: 0.76rem; color: var(--muted); line-height: 1.4; }

.related { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 20px;
  padding: 12px 16px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.related-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); flex-shrink: 0; }
.related a { font-size: 0.78rem; color: var(--muted); text-decoration: none; border: 1px solid var(--border);
  border-radius: 6px; padding: 3px 9px; transition: all 0.12s; font-weight: 550; }
.related a:hover { color: var(--accent); border-color: var(--accent-dim); }
.paid-nudge { text-align: center; font-size: 0.72rem; color: var(--muted); padding: 10px 0 0; }
.paid-nudge a { color: var(--accent); text-decoration: none; }
.paid-nudge a:hover { opacity: 0.75; }
.midi-row { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.midi-row .field { margin: 0; }
.midi-connected { border-color: var(--ok) !important; color: var(--ok) !important; }
.midi-status { font-size: 0.72rem; color: var(--muted); margin-top: 8px; min-height: 1em; }
.midi-status.active { color: var(--ok); }

details.ref-section { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 10px; }
details.ref-section > summary { cursor: pointer; user-select: none; padding: 11px 14px;
  font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--text); display: flex; align-items: center; gap: 8px; list-style: none; }
details.ref-section > summary::-webkit-details-marker { display: none; }
details.ref-section > summary::before { content: "▸"; color: var(--muted); transition: transform 0.15s; }
details[open].ref-section > summary::before { transform: rotate(90deg); }
details.ref-section > .ref-body { padding: 0 14px 14px; }

/* embedded (iframe) mode — strip standalone page chrome */
html.embedded body { padding: 6px 10px 10px; max-width: none; }
html.embedded body::before, html.embedded body::after { display: none; }
html.embedded .topbar, html.embedded h1, html.embedded .subtitle,
html.embedded .related, html.embedded footer { display: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}