:root {
  color-scheme: dark;
  --bg: #07101d;
  --bg-soft: #0d1828;
  --panel: rgba(12, 19, 33, 0.82);
  --panel-strong: rgba(16, 25, 41, 0.94);
  --border: rgba(255, 255, 255, 0.1);
  --text: #eef4ff;
  --muted: #a9bbd5;
  --accent: #70d6ff;
  --accent-strong: #35b8ff;
  --accent-warm: #f4b860;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(112, 214, 255, 0.18), transparent 32%),
    radial-gradient(circle at 80% 18%, rgba(244, 184, 96, 0.12), transparent 28%),
    linear-gradient(180deg, #07101d 0%, #040912 100%);
  font-family: var(--font-body), "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

button,
input {
  font: inherit;
}

a {
  color: inherit;
}

.viewer-shell {
  position: relative;
  min-height: 100vh;
  padding: 32px;
  overflow: hidden;
}

.viewer-shell::before,
.viewer-shell::after {
  content: "";
  position: absolute;
  inset: auto;
  width: 420px;
  height: 420px;
  border-radius: 999px;
  filter: blur(72px);
  opacity: 0.32;
  pointer-events: none;
}

.viewer-shell::before {
  top: -100px;
  right: -120px;
  background: rgba(112, 214, 255, 0.24);
}

.viewer-shell::after {
  bottom: -120px;
  left: -120px;
  background: rgba(244, 184, 96, 0.18);
}

.viewer-inner {
  position: relative;
  z-index: 1;
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  gap: 20px;
}

.hero-card,
.panel-card {
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-card {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.85fr);
  gap: 20px;
  padding: 28px;
  border-radius: 28px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-family: var(--font-mono), monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-title {
  margin: 0;
  font-family: var(--font-display), var(--font-body), sans-serif;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1.02;
}

.hero-copy p {
  margin: 14px 0 0;
  max-width: 68ch;
  color: var(--muted);
  line-height: 1.7;
}

.hero-metrics {
  display: grid;
  gap: 12px;
  align-content: start;
}

.metric {
  padding: 16px 18px;
  border-radius: 20px;
  background: var(--panel-strong);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.metric-label {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.metric-value {
  margin: 0;
  font-family: var(--font-mono), monospace;
  font-size: 16px;
  line-height: 1.45;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.metric-note {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.panel-card {
  padding: 22px;
  border-radius: 24px;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: end;
}

.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
  align-items: center;
}

.field {
  display: grid;
  gap: 10px;
}

.field-label,
.status-label {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.field-input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text);
  background: rgba(3, 8, 18, 0.72);
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.field-input:focus {
  border-color: rgba(112, 214, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(112, 214, 255, 0.12);
}

.primary-button,
.ghost-button {
  border: 0;
  border-radius: 16px;
  padding: 14px 18px;
  cursor: pointer;
  transition: transform 0.18s ease, opacity 0.18s ease, background 0.18s ease;
}

.primary-button {
  background: linear-gradient(135deg, var(--accent-strong), #7f8cff);
  color: #04111b;
  font-weight: 700;
  min-width: 132px;
}

.ghost-button {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.primary-button:hover,
.ghost-button:hover {
  transform: translateY(-1px);
}

.primary-button:disabled,
.ghost-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.toolbar-actions .ghost-button {
  min-width: 132px;
}

.status-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  margin-top: 18px;
  align-items: center;
}

.status-copy {
  color: var(--muted);
  line-height: 1.6;
}

.progress-track {
  margin-top: 18px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  width: 0%;
  transition: width 0.2s ease;
}

.gallery-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin: 20px 0 14px;
}

.gallery-title {
  margin: 0;
  font-family: var(--font-display), var(--font-body), sans-serif;
  font-size: 18px;
}

.gallery-meta {
  color: var(--muted);
  font-family: var(--font-mono), monospace;
  font-size: 13px;
}

.player-card {
  margin-top: 18px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.scrubber {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(2, 5, 11, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.scrubber-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 10px;
}

.scrubber-label {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.scrubber-value {
  color: var(--text);
  font-family: var(--font-mono), monospace;
  font-size: 13px;
}

.scrubber-input {
  width: 100%;
  height: 28px;
  margin: 0;
  background: transparent;
  cursor: pointer;
  accent-color: var(--accent-strong);
}

.scrubber-input:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.scrubber-input::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(112, 214, 255, 0.9), rgba(244, 184, 96, 0.85));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.scrubber-input::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  margin-top: -7px;
  border-radius: 999px;
  border: 2px solid rgba(5, 9, 18, 0.92);
  background: #eef4ff;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.35);
}

.scrubber-input::-moz-range-track {
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(112, 214, 255, 0.9), rgba(244, 184, 96, 0.85));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.scrubber-input::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  border: 2px solid rgba(5, 9, 18, 0.92);
  background: #eef4ff;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.35);
}

.player-surface {
  min-height: 240px;
}

.playback-canvas {
  display: block;
  width: 100%;
  max-height: 72vh;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #02050b;
}

.player-placeholder {
  min-height: 240px;
  display: grid;
  place-items: center;
  padding: 24px;
  border-radius: 18px;
  border: 1px dashed rgba(255, 255, 255, 0.14);
  color: var(--muted);
  text-align: center;
  background: rgba(2, 5, 11, 0.72);
}

.pager {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pager button {
  appearance: none;
  min-width: 44px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.pager button.active {
  border-color: rgba(112, 214, 255, 0.5);
  background: rgba(112, 214, 255, 0.14);
}

.pager button:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(112, 214, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
}

.empty-state,
.error-state,
.loading-state {
  padding: 28px 18px;
  border-radius: 18px;
  border: 1px dashed rgba(255, 255, 255, 0.14);
  color: var(--muted);
  text-align: center;
}

.error-state {
  color: #ffd2cf;
  border-color: rgba(255, 134, 120, 0.3);
  background: rgba(255, 87, 64, 0.08);
}

@media (max-width: 920px) {
  .viewer-shell {
    padding: 18px;
  }

  .hero-card,
  .toolbar,
  .status-row {
    grid-template-columns: 1fr;
  }
}