:root {
  --player-bg: #090b11;
  --player-surface: #0f1218;
  --player-panel: #171b24;
  --player-panel-2: #202634;
  --player-panel-3: #11151d;
  --player-text: #f4f6fb;
  --player-muted: #9ea8bb;
  --player-line: rgba(255, 255, 255, 0.08);
  --player-accent: #e91563;
  --player-accent-2: #e91563;
  --player-shadow: 0 16px 40px rgba(0, 0, 0, 0.26);
}

html[data-theme='light'] {
  --player-bg: #eef2f8;
  --player-surface: #f6f8fc;
  --player-panel: #ffffff;
  --player-panel-2: #ecf1f9;
  --player-panel-3: #f7f9fd;
  --player-text: #182133;
  --player-muted: #66738a;
  --player-line: rgba(24, 33, 51, 0.12);
  --player-accent: #e91563;
  --player-accent-2: #e91563;
  --player-shadow: 0 18px 42px rgba(50, 72, 110, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body.dh-player-body {
  margin: 0;
  background: var(--player-bg);
  color: var(--player-text);
}

.dh-player-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
}

.dh-player-shell {
  position: relative;
  min-height: calc(100vh - 61px);
}

.dh-player-side-rail {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 6px;
  width: 116px;
  min-width: 116px;
  padding: 8px 4px 12px;
  background: color-mix(in oklab, var(--player-bg) 90%, #000 10%);
  border-right: 1px solid var(--player-line);
  overflow: hidden;
  transform: translateX(0);
  opacity: 1;
  transition: transform .28s ease, opacity .22s ease, border-color .22s ease;
}

.dh-player-shell.is-category-collapsed .dh-player-side-rail {
  transform: translateX(-100%);
  border-right-color: transparent;
  opacity: 0;
}

.dh-player-side-link {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  min-height: 55px;
  margin: 0 4px;
  padding: 3px 10px 7px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  color: color-mix(in oklab, var(--player-text) 76%, var(--player-muted));
  text-decoration: none;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.08;
  text-align: center;
  transition: background .18s ease, color .18s ease, box-shadow .18s ease, transform .18s ease, opacity .18s ease;
}

.dh-player-side-link .material-symbols-outlined {
  font-size: 24px;
  font-variation-settings: "FILL" 0, "wght" 300, "GRAD" 0, "opsz" 24;
}

.dh-player-side-link:hover {
  color: #ffffff;
  background: color-mix(in oklab, var(--player-panel) 88%, #ffffff 12%);
}

html[data-theme='light'] .dh-player-side-rail {
  background: linear-gradient(180deg, #ffffff 0%, #f4f7fb 100%);
}

html[data-theme='light'] .dh-player-side-link:hover {
  background: #eceff5;
}

.dh-player-side-link.is-active {
  background: linear-gradient(180deg, var(--player-accent-2) 0%, var(--player-accent) 100%);
  color: #fff;
  box-shadow: 0 8px 20px rgba(233, 21, 99, 0.28);
}

.dh-player-main {
  margin-left: 116px;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(500px, 0.82fr);
  gap: 20px;
  padding: 18px;
  align-items: start;
  transition: margin-left .28s ease, grid-template-columns .28s ease;
}

.dh-player-shell.is-category-collapsed .dh-player-main {
  margin-left: 0;
  grid-template-columns: minmax(0, 1.24fr) minmax(480px, 0.76fr);
}

.dh-player-stage,
.dh-player-related-panel {
  background: var(--player-panel);
  border: 1px solid var(--player-line);
  border-radius: 18px;
  box-shadow: var(--player-shadow);
}

.dh-player-stage {
  width: 100%;
  overflow: hidden;
}

.dh-player-stage-frame {
  background: #000;
  border-bottom: 1px solid var(--player-line);
}

.dh-player-video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}

.dh-player-stage-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px 18px;
  align-items: start;
  padding: 18px 20px 22px;
}

.dh-player-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
  grid-column: 1 / 2;
}

.dh-player-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--player-panel-2);
  border: 1px solid var(--player-line);
  color: var(--player-text);
  font-size: 12px;
  font-weight: 700;
}

.dh-player-chip-accent {
  background: linear-gradient(180deg, var(--player-accent-2) 0%, var(--player-accent) 100%);
  border-color: transparent;
  color: #fff;
}

.dh-player-title {
  margin: 0;
  font-size: 20px;
  line-height: 1.22;
  font-weight: 800;
  grid-column: 1 / 2;
}

.dh-player-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-top: 2px;
  color: var(--player-muted);
  font-size: 13px;
  font-weight: 700;
  grid-column: 1 / 2;
}

.dh-player-description {
  margin-top: 4px;
  font-size: 15px;
  line-height: 1.75;
  color: color-mix(in oklab, var(--player-text) 88%, var(--player-muted));
  grid-column: 1 / -1;
}

.dh-player-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 0;
  grid-column: 2 / 3;
  grid-row: 1 / span 3;
}

.dh-player-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  background: color-mix(in oklab, var(--player-panel-3) 88%, #000 12%);
  color: #eef2fb;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: background-color .16s ease, border-color .16s ease, transform .16s ease, color .16s ease;
}

.dh-player-action-btn:hover {
  background: color-mix(in oklab, var(--player-panel-2) 82%, #fff 18%);
  transform: translateY(-1px);
}

.dh-player-action-btn.is-active,
.dh-player-action-btn-primary {
  background: linear-gradient(180deg, var(--player-accent-2) 0%, var(--player-accent) 100%);
  border-color: transparent;
  color: #fff;
}

.dh-player-action-btn-muted {
  background: transparent;
}

.dh-player-action-btn .material-symbols-outlined {
  font-size: 18px;
}

.dh-player-action-count {
  font-size: 13px;
  font-weight: 800;
}

.dh-player-modal[hidden] {
  display: none;
}

.dh-player-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
}

.dh-player-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 5, 10, 0.64);
}

.dh-player-modal-dialog {
  position: relative;
  z-index: 1;
  width: min(520px, calc(100vw - 32px));
  margin: 10vh auto 0;
  border: 1px solid var(--player-line);
  border-radius: 18px;
  background: var(--player-panel);
  box-shadow: var(--player-shadow);
  overflow: hidden;
}

.dh-player-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--player-line);
}

.dh-player-modal-head h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
}

.dh-player-modal-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--player-line);
  border-radius: 12px;
  background: var(--player-panel-2);
  color: var(--player-text);
  cursor: pointer;
}

.dh-player-modal-body {
  padding: 18px;
}

.dh-player-field-label {
  display: block;
  margin: 0 0 8px;
  color: var(--player-text);
  font-size: 14px;
  font-weight: 800;
}

.dh-player-field-input {
  width: 100%;
  min-height: 46px;
  margin-bottom: 16px;
  padding: 0 14px;
  border: 1px solid var(--player-line);
  border-radius: 14px;
  background: var(--player-panel-3);
  color: var(--player-text);
  font-size: 14px;
  font-weight: 600;
}

.dh-player-field-textarea {
  min-height: 120px;
  padding-top: 12px;
  padding-bottom: 12px;
  resize: vertical;
}

.dh-player-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 0 18px 18px;
}

.dh-player-toast[hidden] {
  display: none;
}

.dh-player-toast {
  position: fixed;
  top: 84px;
  right: 28px;
  z-index: 90;
  min-width: 280px;
  max-width: min(420px, calc(100vw - 32px));
  padding: 14px 18px;
  border-radius: 14px;
  border: 1px solid rgba(88, 217, 163, 0.38);
  background: #e9fff4;
  color: #166a4b;
  box-shadow: 0 18px 34px rgba(7, 16, 27, 0.18);
  font-size: 15px;
  font-weight: 800;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity .18s ease, transform .18s ease;
}

.dh-player-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

html[data-theme='dark'] .dh-player-toast {
  border-color: rgba(88, 217, 163, 0.28);
  background: #dff7eb;
  color: #176548;
}

@media (max-width: 1080px) {
  .dh-player-stage-content {
    grid-template-columns: minmax(0, 1fr);
  }

  .dh-player-chip-row,
  .dh-player-title,
  .dh-player-meta,
  .dh-player-description,
  .dh-player-actions {
    grid-column: 1 / -1;
  }

  .dh-player-actions {
    grid-row: auto;
    justify-content: flex-start;
    margin-top: 10px;
  }
}

.dh-player-related-panel {
  width: 100%;
  min-height: 0;
  padding: 14px;
  background: color-mix(in oklab, var(--player-panel) 90%, #000 10%);
}

.dh-player-related-head {
  padding: 2px 4px 12px;
  font-size: 16px;
  font-weight: 800;
}

.dh-player-related-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.dh-player-related-item {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 8px;
  border-radius: 14px;
  color: inherit;
  text-decoration: none;
  background: transparent;
  transition: background-color .16s ease, transform .16s ease;
}

.dh-player-related-item:hover {
  background: var(--player-panel-2);
  transform: translateY(-1px);
}

.dh-player-related-thumb-wrap {
  position: relative;
  width: 100%;
  min-width: 0;
  flex-shrink: 0;
  overflow: hidden;
  border-radius: 12px;
  background: var(--player-panel-3);
  aspect-ratio: 16 / 9;
}

.dh-player-related-thumb,
.dh-player-related-thumb-placeholder {
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  object-fit: cover;
}

.dh-player-related-thumb-placeholder {
  color: var(--player-muted);
}

.dh-player-related-chip {
  position: absolute;
  top: 8px;
  left: 8px;
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 9px;
  border-radius: 999px;
  background: rgba(23, 27, 36, 0.86);
  color: #fff;
  font-size: 8.5px;
  font-weight: 800;
  letter-spacing: .02em;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
}

html[data-theme='light'] .dh-player-related-chip {
  background: rgba(24, 33, 51, 0.78);
}

.dh-player-related-body {
  min-width: 0;
}

.dh-player-related-title {
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.4;
}

.dh-player-related-desc {
  display: -webkit-box;
  overflow: hidden;
  margin-top: 4px;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  color: var(--player-muted);
  font-size: 13px;
  line-height: 1.5;
}

.dh-player-related-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin-top: 8px;
  color: var(--player-muted);
  font-size: 12px;
  font-weight: 700;
}

.dh-player-empty {
  padding: 10px 4px 2px;
  color: var(--player-muted);
  font-size: 13px;
}

@media (max-width: 1400px) {
  .dh-player-main {
    grid-template-columns: minmax(0, 1.10fr) minmax(430px, 0.90fr);
  }

  .dh-player-shell.is-category-collapsed .dh-player-main {
    grid-template-columns: minmax(0, 1.16fr) minmax(420px, 0.84fr);
  }
}

@media (max-width: 1200px) {
  .dh-player-main {
    grid-template-columns: minmax(0, 1.0fr) 390px;
  }

  .dh-player-shell.is-category-collapsed .dh-player-main {
    grid-template-columns: minmax(0, 1.0fr) 390px;
  }
}

@media (max-width: 980px) {
  .dh-player-side-rail,
  .dh-player-shell.is-category-collapsed .dh-player-side-rail {
    position: static;
    width: 100%;
    min-width: 0;
    transform: none;
    opacity: 1;
    border-right: 0;
    border-bottom: 1px solid var(--player-line);
  }

  .dh-player-main,
  .dh-player-shell.is-category-collapsed .dh-player-main {
    margin-left: 0;
    grid-template-columns: 1fr;
  }

  .dh-player-related-panel {
    order: 2;
  }
}

@media (max-width: 640px) {
  .dh-player-main {
    padding: 12px;
    gap: 12px;
  }

  .dh-player-stage-content,
  .dh-player-related-panel {
    padding: 14px;
  }

  .dh-player-title {
    font-size: 22px;
  }

  .dh-player-related-item {
    grid-template-columns: 116px minmax(0, 1fr);
  }
}


.dh-player-skeleton-stage,
.dh-player-related-skeleton {
  display: none;
}

.dh-player-loading .dh-player-skeleton-stage,
.dh-player-loading .dh-player-related-skeleton {
  display: block;
}

.dh-player-loading .dh-player-stage,
.dh-player-loading .dh-player-related-panel {
  display: none;
}

.dh-player-skeleton-stage,
.dh-player-related-skeleton {
  background: var(--player-panel);
  border: 1px solid var(--player-line);
  border-radius: 18px;
  box-shadow: var(--player-shadow);
  overflow: hidden;
}

.dh-player-skeleton-stage {
  width: 100%;
}

.dh-player-skeleton-frame {
  aspect-ratio: 16 / 9;
  background: linear-gradient(90deg, color-mix(in oklab, var(--player-panel) 92%, #fff 8%) 0%, color-mix(in oklab, var(--player-panel) 82%, #fff 18%) 50%, color-mix(in oklab, var(--player-panel) 92%, #fff 8%) 100%);
  background-size: 220% 100%;
  animation: dhvpPlayerSkeletonShimmer 1.3s linear infinite;
}

.dh-player-skeleton-body {
  padding: 18px 20px 22px;
}

.dh-player-skeleton-chip,
.dh-player-skeleton-title,
.dh-player-skeleton-meta,
.dh-player-skeleton-line,
.dh-player-related-skeleton-thumb,
.dh-player-related-skeleton-title,
.dh-player-related-skeleton-line,
.dh-player-related-skeleton-meta {
  background: linear-gradient(90deg, color-mix(in oklab, var(--player-panel) 92%, #fff 8%) 0%, color-mix(in oklab, var(--player-panel) 82%, #fff 18%) 50%, color-mix(in oklab, var(--player-panel) 92%, #fff 8%) 100%);
  background-size: 220% 100%;
  animation: dhvpPlayerSkeletonShimmer 1.3s linear infinite;
}

.dh-player-skeleton-chip {
  width: 92px;
  height: 30px;
  border-radius: 999px;
}

.dh-player-skeleton-title {
  width: 72%;
  height: 28px;
  border-radius: 12px;
  margin-top: 14px;
}

.dh-player-skeleton-meta {
  width: 34%;
  height: 12px;
  border-radius: 999px;
  margin-top: 14px;
}

.dh-player-skeleton-line {
  width: 100%;
  height: 14px;
  border-radius: 999px;
  margin-top: 16px;
}

.dh-player-skeleton-line-short {
  width: 64%;
}

.dh-player-related-skeleton {
  min-height: 100%;
  padding: 14px;
  background: color-mix(in oklab, var(--player-panel) 90%, #000 10%);
}

.dh-player-related-skeleton-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.dh-player-related-skeleton-item {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 8px;
}

.dh-player-related-skeleton-thumb {
  aspect-ratio: 16 / 9;
  border-radius: 12px;
}

.dh-player-related-skeleton-body {
  min-width: 0;
}

.dh-player-related-skeleton-title {
  width: 94%;
  height: 15px;
  border-radius: 999px;
}

.dh-player-related-skeleton-line {
  width: 82%;
  height: 12px;
  border-radius: 999px;
  margin-top: 8px;
}

.dh-player-related-skeleton-meta {
  width: 56%;
  height: 11px;
  border-radius: 999px;
  margin-top: 10px;
}

html[data-theme="light"] .dh-player-skeleton-frame,
html[data-theme="light"] .dh-player-skeleton-chip,
html[data-theme="light"] .dh-player-skeleton-title,
html[data-theme="light"] .dh-player-skeleton-meta,
html[data-theme="light"] .dh-player-skeleton-line,
html[data-theme="light"] .dh-player-related-skeleton-thumb,
html[data-theme="light"] .dh-player-related-skeleton-title,
html[data-theme="light"] .dh-player-related-skeleton-line,
html[data-theme="light"] .dh-player-related-skeleton-meta {
  background: linear-gradient(90deg, #e5ebf5 0%, #d8e1ef 50%, #e5ebf5 100%);
  background-size: 220% 100%;
}

@keyframes dhvpPlayerSkeletonShimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -20% 0; }
}

@media (max-width: 640px) {
  .dh-player-related-skeleton-item {
    grid-template-columns: 104px minmax(0, 1fr);
  }
}