/*
 * theme.css — Fretboard & Co. design tokens.
 * A print-shop poster palette: cream paper, brick-red ink, a mustard band,
 * a teal for links, everything flat — zero blur, zero soft shadow.
 */

:root {
  --canvas: #f2e6d0;
  --surface: #f9f4ea;
  --surface-2: #ead9b7;
  --border: #d8c39a;
  --border-strong: #241c16;
  --ink: #241c16;
  --muted: #645c51;

  --accent: #c1443c;
  --accent-hover: #a83731;
  --accent-ink: #f9f4ea;
  --accent-text: #2a665c;
  --accent-soft: #f0d9b4;
  --accent-strong: #97352f;
  --accent-border: #c1443c;

  --success: #3f7d32;
  --success-ink: #f9f4ea;
  --success-soft: #dfe8cd;
  --success-strong: #2f5f26;
  --warning: #b8791f;
  --warning-ink: #f9f4ea;
  --warning-soft: #f0e0bd;
  --warning-strong: #7d5209;
  --danger: #97352f;
  --danger-ink: #f9f4ea;
  --danger-soft: #f0d3cc;
  --danger-strong: #7a2a24;

  --chart-1: #c1443c;
  --chart-2: #e3a72e;
  --chart-3: #2a665c;
  --chart-4: #241c16;
  --chart-5: #645c51;
  --chart-6: #3f7d32;

  /* This app's own poster tokens — a flat mustard band and a fixed dark-ink
     band, both constant "print colours" rather than themed surfaces. */
  --x-mustard: #e3a72e;
  --x-mustard-ink: #241c16;
  --x-ink-band: #241c16;
  --x-ink-band-text: #f2e6d0;
  --x-ink-band-muted: #baa88d;

  --font-display: "Anton", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Karla", ui-sans-serif, system-ui, sans-serif;
  --font-sans: "Karla", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "Space Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --display-weight: 400;
  --display-tracking: 0em;
  --eyebrow-tracking: 0.04em;

  --radius-btn: 2px;
  --radius-card: 0px;
  --radius-input: 2px;
  --border-w: 2px;
  --border-strong-w: 3px;
  --shadow-card: 6px 6px 0 var(--ink);
  --shadow-raised: 8px 8px 0 var(--ink);
  --shadow-btn: 4px 4px 0 var(--ink);
  --card-pad: 1.75rem;
  --caps: none;
  --caps-tracking: 0em;
  --btn-weight: 700;
  --measure: 58ch;
}

html[data-theme="dark"] {
  --canvas: #1c150f;
  --surface: #251c15;
  --surface-2: #30251b;
  --border: #4a3a29;
  --border-strong: #f2e6d0;
  --ink: #f2e6d0;
  --muted: #b8a88d;

  --accent: #d9564c;
  --accent-hover: #c1443c;
  --accent-ink: #1c150f;
  --accent-text: #5fb7a6;
  --accent-soft: #3a2a1e;
  --accent-strong: #e2938c;
  --accent-border: #d9564c;

  --success: #6ea75b;
  --success-ink: #1c150f;
  --success-soft: #253620;
  --success-strong: #9ccb8a;
  --warning: #d9a13f;
  --warning-ink: #1c150f;
  --warning-soft: #3a2f17;
  --warning-strong: #e8c07e;
  --danger: #e2837c;
  --danger-ink: #1c150f;
  --danger-soft: #3a201d;
  --danger-strong: #f0aca6;

  --chart-1: #d9564c;
  --chart-2: #e3a72e;
  --chart-3: #5fb7a6;
  --chart-4: #f2e6d0;
  --chart-5: #b8a88d;
  --chart-6: #6ea75b;

  --x-mustard: #c98f1f;
  --x-mustard-ink: #1c150f;
  --x-ink-band: #100c08;
  --x-ink-band-text: #f2e6d0;
  --x-ink-band-muted: #9c8a6e;

  --shadow-card: 6px 6px 0 rgba(0, 0, 0, 0.6);
  --shadow-raised: 8px 8px 0 rgba(0, 0, 0, 0.6);
  --shadow-btn: 4px 4px 0 rgba(0, 0, 0, 0.6);
}

/*
 * app.css — THIS APP'S OWN CSS, for what no primitive and no utility covers:
 * the one screen that makes this app itself — a timer's dial, a kanban
 * board's columns, a seating plan, a game grid. Write those here, named for
 * what they are, in tokens only (var(--accent), var(--radius-card),
 * var(--font-display)). It loads last, after design.css and theme.css, and
 * wins. Ships empty.
 *
 * Not for restyling a primitive: those live in tailwind/components.css and
 * are yours to edit there. Not for colours: those live in theme.css.
 */

html.reduced-motion .marquee__track,
html.reduced-motion .fret-timeline::before {
  animation: none !important;
}

/* ---- Bands -------------------------------------------------------------- */
.band-mustard {
  background: var(--x-mustard);
  color: var(--x-mustard-ink);
}
.band-ink {
  background: var(--x-ink-band);
  color: var(--x-ink-band-text);
}
.band-ink .muted-on-ink { color: var(--x-ink-band-muted); }
.rule-top { border-top: 4px solid var(--ink); }
.rule-bottom { border-bottom: 4px solid var(--ink); }

/* ---- Chord marquee -------------------------------------------------------
   Two identical tracks laid end to end; translating the wrapper by exactly
   -50% loops seamlessly, so long as both halves are identical. */
.marquee {
  overflow: hidden;
  white-space: nowrap;
  mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
}
.marquee__track {
  display: inline-flex;
  width: max-content;
  animation: marquee-scroll 34s linear infinite;
}
.marquee__seg {
  display: inline-flex;
  align-items: center;
  gap: 2.5rem;
  padding-right: 2.5rem;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---- Course level panels -------------------------------------------------- */
.course-panel {
  border: var(--border-strong-w) solid var(--ink);
  box-shadow: var(--shadow-card);
  padding: 2rem 1.75rem;
}
.course-panel--one { background: var(--surface); }
.course-panel--two { background: color-mix(in srgb, var(--x-mustard) 32%, var(--surface)); }
.course-panel--three { background: color-mix(in srgb, var(--accent-text) 16%, var(--surface)); }
.course-panel .num {
  font-family: var(--font-display);
  font-size: 3.25rem;
  line-height: 1;
  color: var(--ink);
}
@supports (-webkit-text-stroke: 1px black) {
  .course-panel .num {
    -webkit-text-stroke: 1.5px var(--ink);
    color: transparent;
  }
}

/* ---- Fretboard timeline ---------------------------------------------------
   A horizontal string with four fret markers, drawn from tokens only. */
.fret-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-top: 2.5rem;
}
.fret-timeline::before {
  content: "";
  position: absolute;
  top: 0.9rem;
  left: 0;
  right: 0;
  height: 3px;
  background: repeating-linear-gradient(
    90deg,
    var(--ink) 0 2px,
    transparent 2px 2.5rem
  );
}
.fret-stop { position: relative; }
.fret-stop::before {
  content: "";
  position: absolute;
  top: -2.5rem;
  left: 0;
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 999px;
  background: var(--accent);
  border: 3px solid var(--ink);
}

/* ---- Testimonial liner cards ----------------------------------------------- */
.liner-card {
  border: 2px solid color-mix(in srgb, var(--x-ink-band-text) 35%, transparent);
  padding: 1.75rem;
  height: 100%;
}
.liner-card__quote {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
}
.liner-card__by {
  margin-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--x-ink-band-muted);
}

/* ---- Ticket signup panel --------------------------------------------------- */
.ticket {
  position: relative;
  border: var(--border-strong-w) solid var(--ink);
  background: var(--surface);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-raised);
}
.ticket::before,
.ticket::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1.1rem;
  background-image: radial-gradient(circle, var(--canvas) 0.32rem, transparent 0.34rem);
  background-size: 1.4rem 1.4rem;
  background-position: 0.7rem center;
  background-repeat: repeat-x;
}
.ticket::before { top: -0.55rem; }
.ticket::after { bottom: -0.55rem; }
.ticket-stub {
  border-top: 2px dashed var(--border-strong);
  margin-top: 1.75rem;
  padding-top: 1.5rem;
}

/* ---- Teacher caption row --------------------------------------------------- */
.caption-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  border-top: 3px solid var(--ink);
  padding-top: 0.75rem;
  margin-top: 0.75rem;
}