/* Плеер видеоразбора: шкальный HUD, мини-окно, жесты, полный экран */

.gdz-video-block {
  margin-bottom: 2rem;
}
.gdz-video-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.gdz-video-head h2 { margin: 0; }
.gdz-video-hint {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 700;
  color: #78716c;
  white-space: nowrap;
}

.gdz-player-anchor {
  position: relative;
}
.gdz-player-anchor.is-hold {
  aspect-ratio: 16 / 9;
  border-radius: 1.35rem;
  background: #ece7dc;
  border: 2px dashed var(--ink);
}
.gdz-player-anchor.is-hold::after {
  content: "Смотрите в мини-окне — можно листать решение";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1rem;
  text-align: center;
  font-size: 0.88rem;
  font-weight: 800;
  color: #57534e;
}

.gdz-player {
  position: relative;
  background: #0a0a0a;
  border: 2px solid var(--ink);
  border-radius: 1.35rem;
  overflow: hidden;
  box-shadow: 6px 6px 0 var(--ink);
  isolation: isolate;
  color: #fff;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  touch-action: manipulation;
}
.gdz-player:focus { outline: none; }
.gdz-player:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 3px;
}
.gdz-player.is-mini:focus-visible { outline: none; }

.gdz-player-stage {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0a0a0a;
}
.gdz-player video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  margin: 0;
  object-fit: contain;
  background: #0a0a0a;
  aspect-ratio: auto;
}

.gdz-player-hit {
  position: absolute;
  inset: 0 0 4.6rem 0;
  z-index: 4;
  cursor: pointer;
}
.gdz-player.is-playing:not(.is-hud) .gdz-player-hit { bottom: 0; }

.gdz-player-badge {
  position: absolute;
  top: 0.8rem;
  left: 0.8rem;
  z-index: 5;
  background: var(--lime);
  color: var(--ink);
  border: 2px solid #fff;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 0.26rem 0.68rem;
  pointer-events: none;
  transition: opacity .2s ease;
}
.gdz-player.is-playing:not(.is-hud) .gdz-player-badge { opacity: 0; }

.gdz-player-bigplay {
  position: absolute;
  inset: 0 0 4.6rem 0;
  z-index: 3;
  display: grid;
  place-items: center;
  pointer-events: none;
  opacity: 0;
  transform: scale(.92);
  transition: opacity .18s ease, transform .18s ease;
}
.gdz-player.is-paused .gdz-player-bigplay,
.gdz-player.is-ended .gdz-player-bigplay {
  opacity: 1;
  transform: scale(1);
}
.gdz-player.is-playing .gdz-player-bigplay { opacity: 0; }
.gdz-player-playicon {
  width: 5.1rem;
  height: 5.1rem;
  border-radius: 999px;
  background: var(--lime);
  border: 3px solid #fff;
  box-shadow: 0 12px 32px rgba(0,0,0,.4);
  display: grid;
  place-items: center;
  color: var(--ink);
}
.gdz-player-playicon svg { width: 2rem; height: 2rem; margin-left: 0.12rem; }
.gdz-player.is-ended .gdz-player-playicon svg { margin-left: 0; }

.gdz-player-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 8;
  width: 2.6rem;
  height: 2.6rem;
  margin: -1.3rem 0 0 -1.3rem;
  border: 3px solid rgba(255,255,255,.22);
  border-top-color: var(--lime);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  animation: gdz-spin .7s linear infinite;
}
.gdz-player.is-waiting .gdz-player-spinner { opacity: 1; }

.gdz-player-flash {
  position: absolute;
  top: 50%;
  z-index: 8;
  width: 6.4rem;
  height: 6.4rem;
  margin-top: -3.2rem;
  border-radius: 50%;
  background: rgba(12,12,12,.55);
  border: 2px solid rgba(255,255,255,.2);
  color: #fff;
  display: none;
  place-items: center;
  font-size: 1.05rem;
  font-weight: 900;
  pointer-events: none;
  letter-spacing: .02em;
}
.gdz-player-flash.is-left { left: 12%; }
.gdz-player-flash.is-right { right: 12%; left: auto; }
.gdz-player-flash.is-center {
  left: 50%;
  width: 4.6rem;
  height: 4.6rem;
  margin-top: -2.3rem;
  margin-left: -2.3rem;
}
.gdz-player-flash.is-pop { display: grid; animation: gdz-pop .55s ease; }

.gdz-player-captions {
  position: absolute;
  left: 6%;
  right: 6%;
  bottom: 5.1rem;
  z-index: 5;
  text-align: center;
  pointer-events: none;
  transition: bottom .2s ease, opacity .2s ease;
}
.gdz-player.is-playing:not(.is-hud) .gdz-player-captions { bottom: 1.25rem; }
.gdz-player.is-mini .gdz-player-captions,
.gdz-player.cc-off .gdz-player-captions { display: none; }
.gdz-player-captions span {
  display: inline-block;
  max-width: 100%;
  padding: 0.28rem 0.65rem;
  border-radius: 0.45rem;
  background: rgba(0,0,0,.78);
  color: #fff;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.35;
  text-wrap: balance;
}
.gdz-player-captions:empty,
.gdz-player-captions span:empty { display: none; }

.gdz-player-resume {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 7;
  display: none;
  align-items: center;
  gap: 0.45rem;
  max-width: calc(100% - 7rem);
  padding: 0.35rem 0.4rem 0.35rem 0.7rem;
  background: rgba(12,12,12,.88);
  border: 2px solid var(--lime);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
}
.gdz-player.is-resume .gdz-player-resume { display: flex; }
.gdz-player-resume b { font-weight: 900; color: var(--lime); }
.gdz-player-resume button {
  border: 0;
  background: var(--lime);
  color: var(--ink);
  font: inherit;
  font-weight: 900;
  font-size: 0.72rem;
  border-radius: 999px;
  padding: 0.28rem 0.6rem;
  cursor: pointer;
}

.gdz-player-hud {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 6;
  padding: 2.4rem 0.7rem 0.5rem;
  background: linear-gradient(180deg, transparent 0%, rgba(8,8,8,.55) 38%, rgba(8,8,8,.94) 100%);
  opacity: 1;
  transform: translateY(0);
  transition: opacity .2s ease, transform .2s ease;
}
.gdz-player.is-playing:not(.is-hud) .gdz-player-hud {
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
}

.gdz-player-timeline {
  position: relative;
  height: 1.15rem;
  margin: 0 0.2rem 0.15rem;
  cursor: pointer;
  touch-action: none;
}
.gdz-player-tline {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 4px;
  margin-top: -2px;
  border-radius: 99px;
  background: rgba(255,255,255,.28);
  overflow: visible;
  transition: height .12s ease, margin-top .12s ease;
}
.gdz-player-timeline:hover .gdz-player-tline,
.gdz-player.is-seeking .gdz-player-tline,
.gdz-player.is-coarse .gdz-player-tline {
  height: 7px;
  margin-top: -3.5px;
}
.gdz-player-tbuf,
.gdz-player-tplay,
.gdz-player-thover {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  border-radius: 99px;
  pointer-events: none;
}
.gdz-player-tbuf { background: rgba(255,255,255,.38); width: 0; }
.gdz-player-tplay { background: var(--lime); width: 0; }
.gdz-player-thover { background: rgba(255,255,255,.18); width: 0; opacity: 0; }
.gdz-player-timeline:hover .gdz-player-thover { opacity: 1; }
.gdz-player-tmarks { position: absolute; inset: 0; pointer-events: none; }
.gdz-player-tmark {
  position: absolute;
  top: -2px;
  bottom: -2px;
  width: 3px;
  margin-left: -1.5px;
  background: rgba(255,255,255,.85);
  border-radius: 99px;
  box-shadow: 0 0 0 1px rgba(0,0,0,.25);
}
.gdz-player-tthumb {
  position: absolute;
  top: 50%;
  left: 0;
  width: 14px;
  height: 14px;
  margin: 0;
  border-radius: 50%;
  background: var(--lime);
  border: 2px solid #fff;
  box-shadow: 0 1px 6px rgba(0,0,0,.45);
  transform: translate(-50%, -50%) scale(.35);
  opacity: 0;
  pointer-events: none;
  transition: transform .12s ease, opacity .12s ease;
}
.gdz-player-timeline:hover .gdz-player-tthumb,
.gdz-player.is-seeking .gdz-player-tthumb,
.gdz-player.is-coarse .gdz-player-tthumb {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.gdz-player-tip {
  position: absolute;
  bottom: calc(100% + 0.35rem);
  left: 0;
  z-index: 2;
  min-width: 3.2rem;
  padding: 0.28rem 0.45rem;
  background: #111;
  border: 2px solid var(--ink);
  border-radius: 0.55rem;
  color: #fff;
  text-align: center;
  pointer-events: none;
  opacity: 0;
  transform: translateX(-50%) translateY(4px);
  transition: opacity .12s ease;
  box-shadow: 3px 3px 0 var(--ink);
}
.gdz-player-timeline:hover .gdz-player-tip,
.gdz-player.is-seeking .gdz-player-tip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.gdz-player-tip-time {
  font-size: 0.78rem;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}
.gdz-player-tip-ch {
  display: none;
  margin-top: 0.1rem;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--lime);
  white-space: nowrap;
}
.gdz-player-tip.has-ch .gdz-player-tip-ch { display: block; }

.gdz-player-controls {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  min-height: 2.4rem;
}
.gdz-player-cluster {
  display: flex;
  align-items: center;
  gap: 0.05rem;
  min-width: 0;
}
.gdz-player-cluster.is-grow {
  flex: 1;
  gap: 0.45rem;
  min-width: 0;
}
.gdz-player-btn {
  appearance: none;
  background: transparent;
  border: 0;
  color: #fff;
  font: inherit;
  font-weight: 900;
  font-size: 0.72rem;
  letter-spacing: .01em;
  cursor: pointer;
  min-width: 2.2rem;
  min-height: 2.2rem;
  padding: 0.3rem;
  border-radius: 0.55rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  flex-shrink: 0;
}
.gdz-player-btn:hover,
.gdz-player-btn.is-on { background: rgba(255,255,255,.12); }
.gdz-player-btn:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 1px;
}
.gdz-player-btn svg { width: 1.28rem; height: 1.28rem; }
.gdz-player [data-toggle] .icon-pause { display: none; }
.gdz-player-btn .icon-off,
.gdz-player.is-playing [data-toggle] .icon-play,
.gdz-player.is-paused [data-toggle] .icon-pause,
.gdz-player.is-ended [data-toggle] .icon-pause,
.gdz-player:not(.is-muted) [data-mute] .icon-off,
.gdz-player.is-muted [data-mute] .icon-on,
.gdz-player:not(.is-fs) [data-fs] .icon-off,
.gdz-player.is-fs [data-fs] .icon-on { display: none; }
.gdz-player.is-playing [data-toggle] .icon-pause,
.gdz-player.is-muted [data-mute] .icon-off,
.gdz-player.is-fs [data-fs] .icon-off { display: block; }

.gdz-player-skipbtn { min-width: 2.45rem; font-variant-numeric: tabular-nums; }

.gdz-player-vol {
  display: flex;
  align-items: center;
  max-width: 2.2rem;
  overflow: hidden;
  transition: max-width .18s ease;
}
.gdz-player-vol:hover,
.gdz-player-vol:focus-within,
.gdz-player-vol.is-open { max-width: 7.4rem; }
.gdz-player-vol-slider {
  width: 4.8rem;
  height: 0.32rem;
  margin: 0 0.35rem 0 0.1rem;
  appearance: none;
  background: rgba(255,255,255,.28);
  border-radius: 99px;
  cursor: pointer;
  accent-color: var(--lime);
}
.gdz-player-vol-slider::-webkit-slider-thumb {
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 0;
}

.gdz-player-time {
  font-size: 0.75rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  opacity: .95;
  white-space: nowrap;
  cursor: pointer;
  border-radius: 0.4rem;
  padding: 0.15rem 0.2rem;
}
.gdz-player-time:hover { background: rgba(255,255,255,.1); }
.gdz-player-now {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--lime);
}

.gdz-player-menu {
  position: absolute;
  right: 0.55rem;
  bottom: 4.6rem;
  z-index: 9;
  width: min(17.5rem, calc(100% - 1.1rem));
  padding: 0.35rem;
  background: rgba(16,16,16,.96);
  border: 2px solid #fff;
  border-radius: 0.9rem;
  box-shadow: 4px 4px 0 var(--ink);
  display: none;
}
.gdz-player.is-menu .gdz-player-menu { display: block; }
.gdz-player-menu button {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  padding: 0.62rem 0.7rem;
  border: 0;
  background: transparent;
  color: #fff;
  font: inherit;
  font-weight: 800;
  font-size: 0.84rem;
  border-radius: 0.6rem;
  cursor: pointer;
  text-align: left;
}
.gdz-player-menu button:hover,
.gdz-player-menu button.is-on { background: rgba(197,223,122,.18); }
.gdz-player-menu button.is-on { color: var(--lime); }
.gdz-player-menu .muted { color: #a8a29e; font-weight: 800; font-size: 0.78rem; }
.gdz-player-menu-title {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.55rem 0.45rem;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: #a8a29e;
}

.gdz-player-help {
  position: absolute;
  inset: 0.7rem;
  z-index: 10;
  display: none;
  overflow: auto;
  padding: 1rem 1.1rem;
  background: rgba(12,12,12,.94);
  border: 2px solid var(--lime);
  border-radius: 1rem;
}
.gdz-player.is-help .gdz-player-help { display: block; }
.gdz-player-help h3 {
  margin: 0 0 0.7rem;
  font-size: 0.95rem;
  font-weight: 900;
}
.gdz-player-help dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 700;
}
.gdz-player-help dt {
  font-family: ui-monospace, Consolas, monospace;
  color: var(--lime);
  font-weight: 900;
}
.gdz-player-help dd { margin: 0; color: #e7e5e4; }
.gdz-player-help-close {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
}

.gdz-player-vol.is-ios,
.gdz-player-vol.is-ios:hover,
.gdz-player-vol.is-ios:focus-within { max-width: 2.2rem; }
.gdz-player-vol.is-ios .gdz-player-vol-slider { display: none; }

.gdz-player-mini-bar {
  display: none;
  position: absolute;
  top: 0.45rem;
  right: 0.45rem;
  z-index: 9;
  gap: 0.25rem;
}
.gdz-player-mini-bar .gdz-player-btn {
  background: rgba(12,12,12,.72);
  border: 2px solid rgba(255,255,255,.35);
}
.gdz-player-live {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.gdz-player-chapters {
  display: flex;
  gap: 0.45rem;
  margin-top: 0.8rem;
  overflow-x: auto;
  padding: 0.1rem 0.1rem 0.35rem;
  scrollbar-width: thin;
}
.gdz-player-chapter {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
  border: 2px solid var(--ink);
  background: #fff;
  border-radius: 0.9rem;
  padding: 0.42rem 0.75rem 0.45rem;
  font-size: 0.78rem;
  font-weight: 800;
  cursor: pointer;
  color: var(--ink);
  line-height: 1.2;
}
.gdz-player-chapter small {
  font-size: 0.68rem;
  font-weight: 800;
  color: #78716c;
  font-variant-numeric: tabular-nums;
}
.gdz-player-chapter:hover { background: var(--mint); }
.gdz-player-chapter.is-active {
  background: var(--lime);
  box-shadow: 3px 3px 0 var(--ink);
}
.gdz-player-chapter:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

/* Мини-плеер поверх решения */
.gdz-player.is-mini {
  position: fixed;
  z-index: 80;
  right: max(0.75rem, env(safe-area-inset-right));
  bottom: max(0.75rem, env(safe-area-inset-bottom));
  width: min(22.5rem, calc(100vw - 1.5rem));
  border-radius: 1rem;
  box-shadow: 8px 8px 0 var(--ink);
  animation: gdz-mini-in .22s ease;
}
.gdz-player.is-mini .gdz-player-stage { aspect-ratio: 16 / 9; }
.gdz-player.is-mini .gdz-player-badge,
.gdz-player.is-mini .gdz-player-bigplay,
.gdz-player.is-mini .gdz-player-resume,
.gdz-player.is-mini .gdz-player-now,
.gdz-player.is-mini .gdz-player-vol,
.gdz-player.is-mini [data-skip],
.gdz-player.is-mini [data-pip],
.gdz-player.is-mini [data-settings],
.gdz-player.is-mini .gdz-player-menu,
.gdz-player.is-mini .gdz-player-help { display: none; }
.gdz-player.is-mini .gdz-player-mini-bar { display: flex; }
.gdz-player.is-mini .gdz-player-hit { bottom: 3.1rem; }
.gdz-player.is-mini .gdz-player-hud { padding: 1.4rem 0.45rem 0.3rem; }
.gdz-player.is-mini .gdz-player-btn { min-width: 1.9rem; min-height: 1.9rem; }

.gdz-player:fullscreen,
.gdz-player:-webkit-full-screen {
  width: 100%;
  height: 100%;
  max-width: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  background: #000;
}
.gdz-player:fullscreen .gdz-player-stage,
.gdz-player:-webkit-full-screen .gdz-player-stage {
  aspect-ratio: auto;
  height: 100%;
  width: 100%;
}
.gdz-player:fullscreen .gdz-player-hud,
.gdz-player:-webkit-full-screen .gdz-player-hud {
  padding-bottom: max(0.7rem, env(safe-area-inset-bottom));
}
.gdz-player:fullscreen .gdz-player-captions,
.gdz-player:-webkit-full-screen .gdz-player-captions {
  font-size: 1.15rem;
}

@media (max-width: 720px) {
  .gdz-video-hint { display: none; }
  .gdz-player-now { display: none; }
  .gdz-player-vol { max-width: 2.2rem; }
  .gdz-player-vol:hover,
  .gdz-player-vol:focus-within { max-width: 2.2rem; }
  .gdz-player-vol-slider,
  .gdz-player-pip { display: none; }
  .gdz-player-playicon { width: 4.3rem; height: 4.3rem; }
  .gdz-player-captions span { font-size: 0.86rem; }
  .gdz-player.is-mini {
    left: max(0.5rem, env(safe-area-inset-left));
    right: max(0.5rem, env(safe-area-inset-right));
    width: auto;
    bottom: max(0.5rem, env(safe-area-inset-bottom));
  }
  .gdz-player-resume {
    left: 0.6rem;
    right: 0.6rem;
    max-width: none;
    top: auto;
    bottom: 4.8rem;
  }
  .gdz-player.is-playing:not(.is-hud) .gdz-player-resume { display: none; }
}
@media (max-width: 420px) {
  .gdz-player-skipbtn { display: none; }
  .gdz-player-time { font-size: 0.68rem; }
}

@media (hover: none) {
  .gdz-player-tthumb {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .gdz-player-hud,
  .gdz-player-bigplay,
  .gdz-player-badge,
  .gdz-player-tline,
  .gdz-player-tthumb,
  .gdz-player.is-mini {
    transition: none;
    animation: none;
  }
  .gdz-player-spinner { animation-duration: 1.2s; }
  .gdz-player-flash.is-pop { animation: none; display: grid; }
}

@keyframes gdz-spin { to { transform: rotate(360deg); } }
@keyframes gdz-pop {
  0% { opacity: 0; transform: scale(.72); }
  28% { opacity: 1; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.06); }
}
@keyframes gdz-mini-in {
  from { opacity: 0; transform: translateY(12px) scale(.96); }
  to { opacity: 1; transform: none; }
}

.gdz-player-nojs video { position: static; height: auto; aspect-ratio: 16 / 9; }