/* TechNexus · Demo library styles */

.dm-section {
  max-width: 1320px; margin: 0 auto;
  padding: clamp(40px, 5vw, 80px) clamp(24px, 5vw, 80px) clamp(64px, 8vw, 128px);
}

.dm-section__head { margin-bottom: 48px; max-width: 880px; }
.dm-section__head .tx-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--tn-signal);
}
.dm-section__head .tx-eyebrow::before {
  content: ""; display: inline-block;
  width: 24px; height: 1px; background: var(--tn-signal);
}
.dm-section__h {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(44px, 5vw, 68px);
  line-height: 1.05; letter-spacing: -0.02em;
  color: var(--tn-ink); margin: 16px 0 24px;
  text-wrap: balance;
}
.dm-section__h em { font-style: italic; color: var(--tn-signal); }
.dm-section__h > span { display: block; }
.dm-section__sub {
  font-size: 18px; line-height: 1.55;
  color: var(--tn-mute-strong); margin: 24px 0 0;
  max-width: 60ch;
}
.dm-section__sub em {
  font-family: var(--font-display); font-style: italic; color: var(--tn-signal);
}
.dm-section__warn {
  margin-top: 14px; padding: 10px 14px;
  background: var(--tn-amber-soft);
  border-radius: 8px; font-size: 13px; color: #886027;
}

/* Voice picker */
.dm-voicepicker {
  margin-top: 28px;
  padding: 20px 22px;
  background: var(--tn-paper-soft);
  border: 1px solid var(--tn-line);
  border-radius: 16px;
  display: flex; flex-direction: column; gap: 14px;
}
.dm-voicepicker__row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.dm-voicepicker label {
  display: flex; flex-direction: column; gap: 6px;
}
.dm-voicepicker__lbl {
  font-family: var(--font-mono); font-size: 10px;
  font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--tn-signal);
}
.dm-voicepicker select {
  height: 44px;
  padding: 0 36px 0 14px;
  border: 1px solid var(--tn-line);
  border-radius: 10px;
  background: var(--tn-card);
  color: var(--tn-ink);
  font: 400 14px var(--font-body);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%231A1816' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
}
.dm-voicepicker select:focus { outline: none; border-color: var(--tn-ink); box-shadow: var(--shadow-focus); }
.dm-voicepicker__hint {
  margin: 0; font-size: 12px; line-height: 1.5;
  color: var(--tn-mute);
}
.dm-voicepicker__hint em {
  font-family: var(--font-display); font-style: italic;
  color: var(--tn-signal); font-size: 13px;
}

/* Grid */
.dm-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--tn-line);
  border: 1px solid var(--tn-line);
  border-radius: 24px;
  overflow: hidden;
}

.dm-card {
  background: var(--tn-card);
  padding: 28px 28px 24px;
  display: flex; flex-direction: column;
  gap: 16px;
  transition: background 200ms;
}
.dm-card.is-playing { background: var(--tn-ink); color: var(--tn-paper); }
.dm-card.is-playing .dm-card__industry { color: var(--tn-blush); }
.dm-card.is-playing .dm-card__label { color: var(--tn-paper); }
.dm-card.is-playing .dm-card__label em { color: var(--tn-blush); }
.dm-card.is-playing .dm-card__icon { color: var(--tn-blush); }
.dm-card.is-playing .dm-card__wave .b { background: var(--tn-blush); animation: dm-pulse 1.2s ease-in-out infinite alternate; }
.dm-card.is-playing .dm-line { color: rgba(244, 241, 234, 0.55); border-color: rgba(244, 241, 234, 0.1); }
.dm-card.is-playing .dm-line.is-active { color: var(--tn-paper); }
.dm-card.is-playing .dm-line.is-active .dm-line__who { color: var(--tn-blush); }
.dm-card.is-playing .dm-line__who { color: rgba(244, 241, 234, 0.5); }

.dm-card header {
  display: flex; align-items: center; gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--tn-line);
}
.dm-card.is-playing header { border-color: rgba(244, 241, 234, 0.12); }

.dm-card__icon {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  color: var(--tn-signal); flex-shrink: 0;
}
.dm-card__icon svg { width: 28px; height: 28px; }
.dm-card__industry {
  display: block;
  font-family: var(--font-mono); font-size: 10px;
  font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--tn-mute); margin-bottom: 2px;
}
.dm-card__label {
  font-family: var(--font-display); font-weight: 400;
  font-size: 24px; line-height: 1.1; letter-spacing: -0.01em;
  color: var(--tn-ink); margin: 0;
}
.dm-card__label em { font-style: italic; color: var(--tn-signal); }

/* Play button */
.dm-card__play {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 18px;
  background: transparent;
  border: 1px solid var(--tn-ink);
  border-radius: 999px;
  cursor: pointer;
  font: 600 13px var(--font-body);
  color: var(--tn-ink);
  transition: background 200ms;
}
.dm-card__play:hover { background: var(--tn-ink); color: var(--tn-paper); }
.dm-card.is-playing .dm-card__play {
  background: var(--tn-paper); color: var(--tn-ink); border-color: var(--tn-paper);
}
.dm-card.is-playing .dm-card__play:hover { background: var(--tn-blush-soft); }
.dm-card__play-icon {
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px;
}
.dm-card__play-label { flex: 1; text-align: left; }
.dm-card__play-time {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.14em; text-transform: uppercase;
  opacity: 0.6;
}

/* Waveform */
.dm-card__wave {
  display: flex; align-items: center; gap: 2px;
  height: 24px;
}
.dm-card__wave .b {
  width: 2px; flex: 1;
  background: var(--tn-line);
  border-radius: 1px;
  min-width: 2px;
}

@keyframes dm-pulse {
  from { transform: scaleY(0.6); }
  to   { transform: scaleY(1.0); }
}

/* Transcript */
.dm-card__transcript {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 0;
}
.dm-line {
  display: grid; grid-template-columns: 64px 1fr; gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--tn-line);
  font-size: 14px; line-height: 1.45;
  color: var(--tn-mute-strong);
  transition: color 200ms;
}
.dm-line:first-child { border-top: 0; padding-top: 4px; }
.dm-line__who {
  font-family: var(--font-mono); font-size: 10px;
  font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--tn-mute); padding-top: 4px;
}
.dm-line--nexus .dm-line__who { color: var(--tn-signal); }
.dm-line.is-active {
  color: var(--tn-ink); font-weight: 500;
}

/* Responsive */
@media (max-width: 1100px) {
  .dm-grid { grid-template-columns: 1fr; }
  .dm-line { grid-template-columns: 56px 1fr; }
  .dm-voicepicker__row { grid-template-columns: 1fr; }
}