/* Feature integration layer. The exact Night 3 reference stylesheet remains untouched. */

.category-tile.active {
  border-color: var(--primary);
  background: var(--primary-soft);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 18%, transparent);
}

.library-count {
  margin-inline-start: auto;
  color: var(--muted);
  font-size: 12px;
}

.lesson-title-row,
.lesson-meta-row,
.backup-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lesson-title-row .lesson-title { min-width: 0; }
.lesson-meta-row { justify-content: space-between; flex-wrap: wrap; }
.lesson-category { min-width: 105px; }
.lesson-category select { width: 100%; min-height: 34px; padding: 5px 8px; font-size: 11px; }

.favorite-button {
  display: grid;
  place-items: center;
  flex: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--muted);
  background: var(--card);
  font-size: 20px;
}

.favorite-button.active { color: #b67925; background: var(--clay-soft); border-color: #d7b47c; }
.favorite-button:disabled { opacity: .5; }

.lesson-grid.is-list { grid-template-columns: 1fr; }
.lesson-grid.is-list .lesson-card { display: grid; grid-template-columns: minmax(190px, 25%) 1fr; }
.lesson-grid.is-list .pulse-cover { height: 100%; min-height: 170px; }

.pulse-task.is-done .status-square,
.pulse-task .status-square:not(:empty) {
  display: grid;
  place-items: center;
  color: var(--on-primary);
  background: var(--primary);
  border-color: var(--primary);
}

.pulse-seal.earned .seal-symbol {
  color: var(--primary-deep);
  background: var(--primary-soft);
  box-shadow: inset 0 0 0 1px var(--primary);
}

.session-knob time { font: 600 17px/1 var(--en); direction: ltr; unicode-bidi: isolate; }

.challenge-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(280px, .8fr);
  gap: 20px;
  align-items: start;
}

.challenge-steps { display: grid; gap: 15px; }
.challenge-step { display: flex; gap: 18px; align-items: flex-start; }
.challenge-step.is-solved { border-color: color-mix(in srgb, var(--primary) 55%, var(--line)); }
.challenge-number {
  display: grid;
  place-items: center;
  flex: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: var(--primary-deep);
  background: var(--primary-soft);
  font: 650 15px var(--en);
}
.challenge-step h2 { font-size: 20px; }
.challenge-step p { margin-block: 9px 14px; color: var(--muted); }
.challenge-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.challenge-options .btn { justify-content: flex-start; text-align: start; }
.challenge-options .btn span { direction: ltr; unicode-bidi: isolate; }

.journey-history { display: grid; gap: 0; }
.journey-history > div {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding-block: 11px;
  border-block-end: 1px solid var(--line);
}
.journey-history > div > span { color: var(--primary); }
.journey-history p { display: grid; gap: 3px; }
.journey-history small { color: var(--muted); font-size: 11px; }
.challenge-feedback span { display: grid; gap: 4px; }
.challenge-feedback small { color: inherit; line-height: 1.7; }

.goal-card form { margin-block-start: 16px; }
.goal-progress { display: grid; gap: 8px; }
.goal-progress .progress { height: 7px; }

.backup-actions { flex-wrap: wrap; }
.restore-preview {
  display: grid;
  gap: 12px;
  margin-block-start: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--soft);
}
.restore-counts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.restore-counts span { display: grid; gap: 3px; padding: 10px; border-radius: 10px; background: var(--card); font-size: 11px; color: var(--muted); overflow-wrap: anywhere; }
.restore-counts b { color: var(--ink); font: 650 20px var(--en); }
.restore-warnings { display: grid; gap: 8px; }

.session-list { display: grid; }
.session-list > div { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-block: 12px; border-block-end: 1px solid var(--line); }
.session-list p { display: grid; gap: 4px; min-width: 0; }
.session-list small { color: var(--muted); overflow-wrap: anywhere; }

.external-link { display: inline-flex; align-items: center; gap: 6px; width: fit-content; }
.external-link .icon { width: 15px; height: 15px; }

.ai-consent-modal { width: min(760px, 100%); }
.ai-preview-text {
  max-height: 260px;
  overflow: auto;
  margin-block: 10px 16px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--soft);
  color: var(--ink);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  text-align: start;
  font: 13px/1.8 var(--en);
}
.consent-check { display: flex; align-items: flex-start; gap: 10px; padding: 13px; border: 1px solid var(--line); border-radius: 12px; }
.consent-check input { flex: none; margin-block-start: 4px; width: 20px; height: 20px; }

.player-wrap:has(.studio-media-adapter) {
  display: block;
  height: auto;
  min-height: 0;
  aspect-ratio: auto;
  overflow: visible;
}
#studio-media { min-height: 0; }
#studio-media:has(.studio-media-adapter) > .player-demo-art { display: none; }
.studio-media-adapter { display: grid; min-height: 0; color: #eef7f4; background: #10252d; border-radius: inherit; overflow: hidden; }
.studio-media-header,
.studio-media-actions { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; padding: 11px 14px; }
.studio-media-header { justify-content: space-between; border-block-end: 1px solid #ffffff1c; }
.studio-media-source { font-size: 12px; }
.studio-media-stage { display: grid; place-items: center; min-height: 210px; aspect-ratio: 16 / 9; background: #08171d; overflow: hidden; }
.studio-media-youtube,
.studio-media-youtube iframe,
.studio-media-local { display: block; width: 100%; height: 100%; min-height: 210px; border: 0; object-fit: contain; }
.studio-media-actions { border-block-start: 1px solid #ffffff1c; }
.studio-media-actions .btn { min-height: 38px; font-size: 11px; }
.studio-media-file { cursor: pointer; }
.studio-media-file input { position: absolute; inline-size: 1px; block-size: 1px; opacity: 0; }
.studio-media-rate { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; }
.studio-media-rate select { min-height: 34px; padding: 4px 7px; }
.studio-media-privacy,
.studio-media-status { margin: 0; padding: 0 14px 10px; color: #b7c9cd; font-size: 10px; line-height: 1.7; }
.studio-media-parking { position: fixed; inset: auto auto -9999px -9999px; width: 1px; height: 1px; overflow: hidden; }

.transcript-panel .cue { align-items: flex-start; padding: 10px 8px; }
.transcript-panel .cue-select { grid-template-columns: 40px minmax(0, 1fr); gap: 7px; }
.transcript-panel .cue-time { min-width: 0; padding-inline: 0; font-size: 10px; }
.transcript-panel .cue-text { min-width: 0; font-size: 14px; line-height: 1.55; overflow-wrap: anywhere; word-break: normal; }
.transcript-panel .cue-speak { width: 32px; height: 32px; }

@media (max-width: 900px) {
  .challenge-layout { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .library-categories { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lesson-grid.is-list .lesson-card { grid-template-columns: 118px minmax(0, 1fr); }
  .lesson-grid.is-list .pulse-cover { min-height: 190px; padding: 13px; }
  .lesson-meta-row { align-items: flex-end; }
  .lesson-category { order: 3; width: 100%; }
  .challenge-step { gap: 11px; padding: 16px; }
  .challenge-number { width: 38px; height: 38px; }
  .challenge-options { grid-template-columns: 1fr; }
  .restore-counts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .session-list > div { align-items: flex-start; }
  .studio-media-actions { align-items: stretch; }
}

@media (max-width: 390px) {
  .library-categories { grid-template-columns: 1fr 1fr; }
  .category-tile span { min-height: 47px; }
  .lesson-grid.is-list .lesson-card { grid-template-columns: 1fr; }
  .lesson-grid.is-list .pulse-cover { min-height: 150px; }
  .restore-counts { grid-template-columns: 1fr; }
  .backup-actions > * { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .category-tile,
  .favorite-button,
  .lesson-card { transition: none !important; }
}