/* fcc-morse — site-specific Field Bulletin layer.
 *
 * Signal-lamp amber accent. Owns hero key canvas wrap + decoded readout
 * + paper-tape playback strip + reference chart + semaphore display.
 */

/* !important required because /shared/fcc-theme-boot.js writes --accent
   as inline-style on <html>, beating stylesheet specificity. */
:root, html[data-mode="dark"] {
  --accent:      #f5c43c !important;
  --accent-2:    #f8d574 !important;
  --accent-wash: color-mix(in srgb, #f5c43c 12%, transparent) !important;
  --accent-ink:  #0a0b0d !important;
}
html[data-mode="light"] {
  --accent:      #b48816 !important;
  --accent-2:    #c79b29 !important;
  --accent-wash: color-mix(in srgb, #b48816 8%, transparent) !important;
  --accent-ink:  #ffffff !important;
}

/* ── Hero — Morse key ────────────────────────────────────────── */
.hero-card { padding: 1.5rem 1.5rem 1.5rem; }

#morseKeyCanvas {
  width: 100%;
  height: 320px;
  display: block;
  background: var(--bg);
  border-top: 1px solid var(--border);
  cursor: pointer;
  touch-action: none;
}

.hero-decoded {
  margin-top: 0.85rem;
  padding: 0.7rem 0.95rem;
  background: var(--panel-2);
  border-top: 1px solid var(--border);
  display: flex; gap: 0.85rem; align-items: baseline;
  flex-wrap: wrap;
}
.hero-decoded-label {
  font: 500 0.66rem/1 var(--sans);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3, var(--dim));
}
.hero-decoded-text {
  font: 500 1.05rem 'JetBrains Mono', ui-monospace, monospace;
  color: var(--text);
  letter-spacing: 0.06em;
  flex: 1;
  word-break: break-all;
}
.hero-hint {
  margin: 0.85rem 0 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.88rem;
  color: var(--ink-3, var(--dim));
  line-height: 1.55;
}
.hero-hint kbd {
  font: 500 0.78rem 'JetBrains Mono', ui-monospace, monospace;
  background: var(--panel-2);
  padding: 0.1rem 0.4rem;
  border-top: 1px solid var(--border);
  font-style: normal;
  color: var(--text);
}

.hero-wpm-row {
  display: flex; gap: 0.65rem; align-items: center;
  margin-top: 0.5rem;
}
.hero-wpm-label {
  font: 500 0.66rem/1 var(--sans);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3, var(--dim));
}
.wpm-value {
  font: 500 1rem 'JetBrains Mono', ui-monospace, monospace;
  color: var(--accent);
  font-feature-settings: "tnum" 1, "zero" 1;
}

/* ── Text to Morse ───────────────────────────────────────────── */
.morse-controls {
  display: grid; gap: 0.75rem;
  grid-template-columns: 2fr 1fr;
  align-items: end;
  margin-bottom: 0.85rem;
}
@media (max-width: 720px) { .morse-controls { grid-template-columns: 1fr; } }

.morse-tape {
  display: flex; flex-wrap: wrap; gap: 0.1rem;
  padding: 0.7rem 0.85rem;
  background: #e8e2cf;
  color: #0c0d0f;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  overflow-x: auto;
  min-height: 2.5rem;
}
.tape-empty { color: rgba(0,0,0,0.4); font-size: 0.9rem; }
.tape-cell { display: inline-block; padding: 0 0.1rem; }
.tape-cell--dot  { color: #b65a3a; }
.tape-cell--dash { color: #1f1c19; font-weight: 700; }
.tape-cell--gap  { color: rgba(0,0,0,0.35); }
.tape-cell--word { color: rgba(0,0,0,0.5); letter-spacing: 0.3em; }
.tape-cell--active { background: var(--accent); border-radius: 2px; }

.morse-bulb-wrap {
  display: flex; align-items: center; gap: 0.7rem;
  margin: 0.6rem 0 0.6rem;
}
.morse-bulb {
  width: 22px; height: 30px;
  position: relative;
  border-radius: 50% 50% 12% 12% / 60% 60% 8% 8%;
  background: #2a2620;
  border: 1px solid #1a1816;
  transition: background var(--dur-1) var(--ease-in-out),
              box-shadow var(--dur-1) var(--ease-in-out);
}
.morse-bulb.on {
  background: radial-gradient(circle at 50% 35%, #ffe082 0%, #f5c43c 60%, #b48816 100%);
  box-shadow: 0 0 14px rgba(245, 196, 60, 0.85);
}
.morse-bulb-label {
  font: 500 0.7rem/1 var(--sans);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3, var(--dim));
}

.morse-btn-row { display: flex; gap: 0.4rem; flex-wrap: wrap; }

/* ── Reference Chart ─────────────────────────────────────────── */
.chart-section { margin-top: 1.25rem; }
.chart-section-label {
  font: 500 0.66rem/1 var(--sans);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3, var(--dim));
  margin-bottom: 0.6rem;
}
.chart-cells {
  display: grid;
  gap: 0.4rem;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
}
.chart-cell {
  padding: 0.55rem 0.75rem;
  background: var(--panel-2);
  border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 0.3rem;
}
.chart-char {
  font: 500 1rem 'JetBrains Mono', ui-monospace, monospace;
  color: var(--text);
  letter-spacing: -0.02em;
}
.chart-code {
  font: 500 0.85rem 'JetBrains Mono', ui-monospace, monospace;
  color: var(--accent);
  letter-spacing: 0.06em;
}
.chart-rhythm {
  display: inline-flex; gap: 2px;
  align-items: center;
  height: 8px;
}
.chart-tick {
  display: inline-block;
  height: 4px;
  background: var(--accent);
  border-radius: 1px;
}
.chart-gap {
  display: inline-block;
  width: 0.4em;
  height: 4px;
}

/* ── Semaphore Encoder ───────────────────────────────────────── */
.semaphore-mode-row {
  display: flex; gap: 0.4rem; align-items: center;
  flex-wrap: wrap;
  margin: 0.85rem 0;
}
.semaphore-mode-row .mode-label {
  font: 500 0.7rem/1 var(--sans);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3, var(--dim));
  margin-right: 0.3rem;
}
.sem-pill {
  font: 500 0.74rem/1 var(--mono);
  letter-spacing: 0.04em;
  padding: 0.4rem 0.7rem;
  border-radius: var(--r-1);
  background: transparent;
  border: 1px solid var(--border);
  color: var(--ink-3, var(--dim));
  cursor: pointer;
  transition:
    color var(--dur-1) var(--ease-in-out),
    border-color var(--dur-1) var(--ease-in-out),
    background var(--dur-1) var(--ease-in-out);
}
.sem-pill:hover { color: var(--ink-2, var(--text)); border-color: var(--rule-strong); }
.sem-pill.active {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-wash);
}

.semaphore-display {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: auto 1fr auto;
  align-items: center;
}
.semaphore-figure-wrap {
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
  padding: 1rem;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
#semaphoreSvg {
  width: 200px; height: 200px;
}
.semaphore-char {
  font: 500 2.4rem/1 var(--serif);
  color: var(--text);
}
.semaphore-pos {
  font: 500 0.85rem var(--mono);
  color: var(--ink-3, var(--dim));
  font-feature-settings: "tnum" 1, "zero" 1;
}
.sem-flash-row {
  font: 500 1.5rem 'JetBrains Mono', ui-monospace, monospace;
  color: var(--accent);
  letter-spacing: 0.2em;
}
.sem-ics-flag {
  display: inline-block;
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 600;
  padding: 0.6rem 1.4rem;
  background: var(--accent-wash);
  border-top: 2px solid var(--accent);
  color: var(--accent);
}

@media (max-width: 720px) {
  #morseKeyCanvas { height: 260px; }
  .semaphore-display { grid-template-columns: 1fr; }
}
