/* ============================================
   Lesson Player — toolbar, panels, reader prefs
   ============================================ */

/* ── Toolbar ────────────────────────────────── */
.lp-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  padding: .5rem;
  margin: 0 0 1rem;
  background: var(--color-surface, #fff);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: var(--radius-lg, 12px);
  position: sticky;
  top: var(--header-h, 56px);
  z-index: 30;
  box-shadow: 0 1px 2px rgba(16,24,40,.04);
}
.lp-toolbar__btn {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .4rem .7rem;
  border: 1px solid transparent;
  background: transparent;
  border-radius: 999px;
  color: var(--color-text, #111);
  font-size: .9rem;
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
}
.lp-toolbar__btn:hover,
.lp-toolbar__btn:focus-visible {
  background: var(--color-surface-sunken, #f3f4f6);
  outline: none;
}
.lp-toolbar__btn:focus-visible {
  border-color: var(--color-accent, #6366f1);
}
.lp-toolbar__btn.is-active {
  background: color-mix(in oklab, var(--color-accent, #6366f1) 14%, transparent);
  color: var(--color-accent, #6366f1);
}
.lp-toolbar__icon {
  font-size: 1rem;
  line-height: 1;
}
.lp-toolbar__label { white-space: nowrap; }

@media (max-width: 640px) {
  .lp-toolbar__label { display: none; }
  .lp-toolbar__btn { padding: .45rem .55rem; }
}

/* ── Panels ─────────────────────────────────── */
.lp-panels { display: contents; }
.lp-panel {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  width: min(380px, calc(100% - 2rem));
  max-height: min(70vh, 600px);
  background: var(--color-surface, #fff);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: var(--radius-lg, 12px);
  box-shadow: 0 14px 40px rgba(16,24,40,.16);
  display: flex;
  flex-direction: column;
  z-index: 60;
  overflow: hidden;
}
.lp-panel[hidden] { display: none; }
.lp-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .6rem .8rem;
  border-bottom: 1px solid var(--color-border, #e5e7eb);
  background: var(--color-surface-raised, #fafafa);
}
.lp-panel__title {
  margin: 0;
  font-size: .95rem;
  font-weight: 600;
  color: var(--color-text, #111);
}
.lp-panel__close {
  border: 0;
  background: transparent;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  color: var(--color-text-muted, #6b7280);
  padding: .2rem .4rem;
  border-radius: 6px;
}
.lp-panel__close:hover,
.lp-panel__close:focus-visible {
  background: var(--color-surface-sunken, #f3f4f6);
  color: var(--color-text, #111);
  outline: none;
}
.lp-panel__body {
  padding: .8rem;
  overflow: auto;
  flex: 1;
  min-height: 0;
}

/* ── TOC panel ───────────────────────────────── */
.lp-toc {
  list-style: none;
  padding: 0;
  margin: 0;
}
.lp-toc__item { margin: 0; }
.lp-toc__item--h3 { padding-left: 1rem; }
.lp-toc__link {
  display: block;
  padding: .4rem .5rem;
  border-radius: 6px;
  color: var(--color-text, #111);
  text-decoration: none;
  font-size: .92rem;
  line-height: 1.5;
}
.lp-toc__link:hover,
.lp-toc__link:focus-visible {
  background: var(--color-surface-sunken, #f3f4f6);
  outline: none;
}
.lp-empty {
  color: var(--color-text-muted, #6b7280);
  font-size: .9rem;
  padding: .4rem 0;
}

/* ── Notes panel ─────────────────────────────── */
.lp-notes__input {
  width: 100%;
  padding: .5rem;
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 8px;
  font: inherit;
  resize: vertical;
  background: var(--color-surface, #fff);
  color: var(--color-text, #111);
}
.lp-notes__save { margin-top: .5rem; }
.lp-notes__list {
  list-style: none;
  padding: 0;
  margin: .8rem 0 0;
  display: grid;
  gap: .5rem;
}
.lp-note {
  padding: .5rem .6rem;
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 8px;
  background: var(--color-surface, #fff);
  display: grid;
  gap: .25rem;
}
.lp-note__body {
  margin: 0;
  font-size: .92rem;
  line-height: 1.55;
  white-space: pre-wrap;
  color: var(--color-text, #111);
}
.lp-note__time {
  font-size: .72rem;
  color: var(--color-text-muted, #6b7280);
}
.lp-note__del {
  justify-self: end;
  border: 1px solid var(--color-border, #e5e7eb);
  background: transparent;
  padding: .2rem .5rem;
  font-size: .8rem;
  border-radius: 6px;
  cursor: pointer;
  color: var(--color-text-muted, #6b7280);
}
.lp-note__del:hover {
  background: var(--color-surface-sunken, #f3f4f6);
  color: var(--color-text, #111);
}

/* ── Reader panel ────────────────────────────── */
.lp-reader__row {
  display: grid;
  grid-template-columns: 90px 1fr;
  align-items: center;
  gap: .5rem;
  padding: .35rem 0;
}
.lp-reader__label {
  font-size: .85rem;
  color: var(--color-text-muted, #6b7280);
}
.lp-reader__group {
  display: inline-flex;
  gap: .3rem;
  flex-wrap: wrap;
}
.lp-reader__chip {
  padding: .3rem .7rem;
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 999px;
  background: var(--color-surface, #fff);
  color: var(--color-text, #111);
  font-size: .85rem;
  cursor: pointer;
}
.lp-reader__chip.is-active {
  background: var(--color-accent, #6366f1);
  color: #fff;
  border-color: var(--color-accent, #6366f1);
}

/* ── Search panel ────────────────────────────── */
.lp-search__head {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: .35rem;
  align-items: center;
  margin-bottom: .5rem;
}
.lp-search__input {
  padding: .45rem .6rem;
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 8px;
  font: inherit;
  background: var(--color-surface, #fff);
  color: var(--color-text, #111);
}
.lp-search__nav {
  border: 1px solid var(--color-border, #e5e7eb);
  background: var(--color-surface, #fff);
  padding: .35rem .55rem;
  font-size: .9rem;
  border-radius: 6px;
  cursor: pointer;
  color: var(--color-text, #111);
}
.lp-search__count {
  font-size: .8rem;
  color: var(--color-text-muted, #6b7280);
  white-space: nowrap;
  padding-left: .3rem;
}
mark.lp-search-hit {
  background: rgba(250, 204, 21, .55);
  color: inherit;
  padding: 0 1px;
  border-radius: 2px;
}
mark.lp-search-hit.is-active {
  background: rgba(249, 115, 22, .7);
  color: #111;
  outline: 2px solid rgba(249, 115, 22, .95);
  outline-offset: 1px;
}

/* ── Help panel ──────────────────────────────── */
.lp-help {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .35rem .75rem;
  margin: 0;
}
.lp-help__key { margin: 0; }
.lp-help__key kbd {
  display: inline-block;
  font: inherit;
  font-size: .8rem;
  background: var(--color-surface-sunken, #f3f4f6);
  border: 1px solid var(--color-border, #e5e7eb);
  border-bottom-width: 2px;
  padding: .1rem .4rem;
  border-radius: 4px;
}
.lp-help__val {
  margin: 0;
  font-size: .9rem;
  color: var(--color-text, #111);
}

/* ── Video controls ──────────────────────────── */
.lp-video-ctrl {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin: .4rem 0 1rem;
  padding: .3rem .6rem;
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 999px;
  background: var(--color-surface, #fff);
  font-size: .85rem;
}
.lp-video-ctrl__label { color: var(--color-text-muted, #6b7280); }
.lp-video-ctrl__speed {
  border: 0;
  background: transparent;
  font: inherit;
  color: var(--color-text, #111);
  cursor: pointer;
  padding: .2rem;
}
.lp-video-ctrl__pip {
  border: 1px solid var(--color-border, #e5e7eb);
  background: transparent;
  color: var(--color-text, #111);
  padding: .2rem .55rem;
  border-radius: 999px;
  font: inherit;
  font-size: .8rem;
  cursor: pointer;
}
.lp-video-ctrl__pip:hover {
  background: var(--color-surface-sunken, #f3f4f6);
}

/* ── Selection toolbar ───────────────────────── */
.lp-sel-tip {
  position: absolute;
  display: inline-flex;
  gap: .25rem;
  padding: .3rem;
  background: var(--color-surface, #fff);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(16,24,40,.16);
  z-index: 90;
}
.lp-sel-tip[hidden] { display: none; }
.lp-sel-tip__btn {
  border: 0;
  background: transparent;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 0;
}
.lp-sel-tip__btn:hover { background: var(--color-surface-sunken, #f3f4f6); }
.lp-sel-tip__swatch {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,.1);
}
.lp-sel-tip__btn--yellow .lp-sel-tip__swatch { background: #fde68a; }
.lp-sel-tip__btn--green  .lp-sel-tip__swatch { background: #bbf7d0; }
.lp-sel-tip__btn--blue   .lp-sel-tip__swatch { background: #bae6fd; }
.lp-sel-tip__btn--pink   .lp-sel-tip__swatch { background: #fbcfe8; }

/* ── Highlight marks ─────────────────────────── */
.lp-hl { padding: 0 1px; border-radius: 2px; color: inherit; }
.lp-hl--yellow { background: #fde68a; }
.lp-hl--green  { background: #bbf7d0; }
.lp-hl--blue   { background: #bae6fd; }
.lp-hl--pink   { background: #fbcfe8; }

/* ── Reader surface overrides ────────────────── */
.lp-content {
  font-size: calc(1em * var(--lr-font-scale, 1));
  line-height: var(--lr-line-height, 1.7);
  transition: max-width 200ms ease;
}
[data-lr-width="narrow"] .lp-content { max-width: 58ch; margin-inline: auto; }
[data-lr-width="wide"]   .lp-content { max-width: none; }

[data-lr-theme="sepia"] .lp-content {
  background: #fbf5e9;
  color: #3b2f1e;
  padding: 1rem;
  border-radius: 10px;
}
[data-lr-theme="dark"] .lp-content {
  background: #1a1a1a;
  color: #e5e5e5;
  padding: 1rem;
  border-radius: 10px;
}
[data-lr-theme="dark"] .lp-content a { color: #9ec5ff; }

/* ── Motion ──────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .lp-toolbar__btn,
  .lp-reader__chip,
  .lp-content {
    transition: none;
  }
}