/* ── YT LMS Player – player.css v1.2.0 ── */
@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Syne:wght@400;600;700;800&display=swap');

:root {
  --yt-lms-accent:  #6c63ff;
  --yt-lms-bg:      #0a0a0f;
  --yt-lms-surface: #111118;
  --yt-lms-border:  #1e1e2e;
  --yt-lms-text:    #e8e8f0;
  --yt-lms-muted:   #5a5a7a;
  --yt-lms-bar-h:   52px;
  --yt-lms-radius:  10px;
}

.yt-lms-wrap {
  font-family: 'Syne', sans-serif;
  max-width: 860px;
  margin: 0 auto 32px;
  color: var(--yt-lms-text);
}

/* Header */
.yt-lms-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.yt-lms-course-title {
  font-size: clamp(0.9rem, 2.2vw, 1.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.yt-lms-badge {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: var(--yt-lms-accent);
  background: rgba(108,99,255,.13);
  border: 1px solid rgba(108,99,255,.25);
  padding: 4px 10px;
  border-radius: 4px;
  white-space: nowrap;
}

/* Shell */
.yt-lms-shell {
  background: var(--yt-lms-surface);
  border: 1px solid var(--yt-lms-border);
  border-radius: var(--yt-lms-radius);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,.55);
}

/* Video wrapper — strict 16/9 */
.yt-lms-video-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
  cursor: pointer;
}

/* iframe — pointer-events toggled by JS */
.yt-lms-video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  pointer-events: none; /* JS enables briefly on first play */
  z-index: 1;
}

/* Shield — purely for right-click block via JS contextmenu event
   pointer-events: none so it never blocks clicks */
.yt-lms-shield {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: transparent;
  pointer-events: none;
}

/* Watermark */
.yt-lms-watermark {
  position: absolute;
  z-index: 30;
  pointer-events: none;
  font-family: 'DM Mono', monospace;
  font-size: clamp(0.58rem, 1.3vw, 0.82rem);
  color: rgba(255,255,255,0.20);
  text-shadow: 0 1px 4px rgba(0,0,0,.6);
  white-space: nowrap;
  user-select: none;
  transition: top 1.4s cubic-bezier(.4,0,.2,1), left 1.4s cubic-bezier(.4,0,.2,1);
  letter-spacing: 0.04em;
  top: 12px; left: 12px;
}

/* Big play overlay — z-index 20, above everything */
.yt-lms-big-play {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.35);
  cursor: pointer;
  transition: opacity .25s;
}
.yt-lms-big-play.hidden { opacity: 0; pointer-events: none; }
.yt-lms-big-play-btn {
  width: 72px; height: 72px;
  background: var(--yt-lms-accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 0 16px rgba(108,99,255,.18);
  transition: transform .2s, box-shadow .2s;
  pointer-events: none; /* parent handles click */
}
.yt-lms-big-play:hover .yt-lms-big-play-btn {
  transform: scale(1.1);
  box-shadow: 0 0 0 24px rgba(108,99,255,.12);
}
.yt-lms-big-play-btn svg { margin-left: 6px; }

/* Progress row */
.yt-lms-progress-row {
  background: #0d0d16;
  border-top: 1px solid var(--yt-lms-border);
  padding: 6px 0;
}
.yt-lms-progress-track {
  position: relative;
  height: 4px;
  background: rgba(255,255,255,.12);
  cursor: pointer;
  margin: 0 14px;
  border-radius: 4px;
  transition: height .15s;
}
.yt-lms-progress-track:hover { height: 6px; }
.yt-lms-progress-fill {
  height: 100%;
  background: var(--yt-lms-accent);
  width: 0%;
  border-radius: 4px;
  pointer-events: none;
  position: relative;
  transition: width .3s linear;
}
.yt-lms-progress-fill::after {
  content: '';
  position: absolute;
  right: -6px; top: 50%;
  transform: translateY(-50%);
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 5px rgba(0,0,0,.5);
  opacity: 0;
  transition: opacity .15s;
  cursor: grab;
}
.yt-lms-progress-track:hover .yt-lms-progress-fill::after { opacity: 1; }

/* Control bar */
.yt-lms-ctrl-bar {
  height: var(--yt-lms-bar-h);
  background: #0d0d16;
  border-top: 1px solid var(--yt-lms-border);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
}

.yt-lms-btn {
  background: none;
  border: none;
  color: var(--yt-lms-text);
  cursor: pointer;
  padding: 7px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s, color .15s;
  flex-shrink: 0;
  line-height: 0;
}
.yt-lms-btn:hover  { background: rgba(255,255,255,.09); color: #fff; }
.yt-lms-btn:active { transform: scale(.91); }

.yt-lms-time {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: var(--yt-lms-muted);
  white-space: nowrap;
  flex-shrink: 0;
}
.yt-lms-current { color: var(--yt-lms-text); }
.yt-lms-spacer  { flex: 1; }

/* Speed + Quality selects */
.yt-lms-speed,
.yt-lms-quality {
  background: rgba(255,255,255,.06);
  border: 1px solid var(--yt-lms-border);
  color: var(--yt-lms-text);
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  padding: 5px 8px;
  border-radius: 6px;
  cursor: pointer;
  outline: none;
  transition: border-color .15s;
  flex-shrink: 0;
}
.yt-lms-speed:hover,
.yt-lms-quality:hover  { border-color: var(--yt-lms-accent); }
.yt-lms-speed option,
.yt-lms-quality option { background: #111118; }
.yt-lms-quality        { max-width: 100px; }

/* Lesson nav */
.yt-lms-lesson-nav {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.yt-lms-tab {
  flex: 1;
  min-width: 140px;
  background: var(--yt-lms-surface);
  border: 1px solid var(--yt-lms-border);
  border-radius: var(--yt-lms-radius);
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color .2s, background .2s, transform .15s;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: left;
  color: var(--yt-lms-text);
  font-family: 'Syne', sans-serif;
}
.yt-lms-tab:hover        { border-color: var(--yt-lms-accent); background: rgba(108,99,255,.07); transform: translateY(-2px); }
.yt-lms-tab.active       { border-color: var(--yt-lms-accent); background: rgba(108,99,255,.13); }
.yt-lms-tab-num          { font-family: 'DM Mono', monospace; font-size: 0.62rem; color: var(--yt-lms-accent); letter-spacing:.06em; }
.yt-lms-tab-title        { font-size: 0.8rem; font-weight: 600; line-height: 1.3; }
.yt-lms-tab-dur          { font-family: 'DM Mono', monospace; font-size: 0.62rem; color: var(--yt-lms-muted); }

.yt-lms-next-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--yt-lms-accent);
  color: #fff;
  border: none;
  border-radius: var(--yt-lms-radius);
  padding: 12px 20px;
  font-family: 'Syne', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s, transform .15s;
  white-space: nowrap;
  align-self: stretch;
  line-height: 0;
}
.yt-lms-next-btn:hover:not(:disabled) { background: #7d75ff; transform: translateY(-2px); }
.yt-lms-next-btn:disabled             { opacity: .35; cursor: not-allowed; }

/* Fullscreen */
.yt-lms-shell:fullscreen,
.yt-lms-shell:-webkit-full-screen {
  border-radius: 0;
  display: flex;
  flex-direction: column;
  background: #000;
  max-width: 100%;
}
.yt-lms-shell:fullscreen .yt-lms-video-wrapper,
.yt-lms-shell:-webkit-full-screen .yt-lms-video-wrapper { flex: 1; }

/* Responsive */
@media (max-width: 560px) {
  .yt-lms-header        { flex-direction: column; align-items: flex-start; }
  .yt-lms-lesson-nav    { flex-direction: column; }
  .yt-lms-tab           { min-width: 0; }
  .yt-lms-time          { display: none; }
  .yt-lms-quality       { max-width: 72px; }
}