:root {
  color-scheme: dark;
  --bg: #040404;
  --panel: rgba(12, 12, 12, 0.96);
  --panel-soft: rgba(18, 18, 18, 0.96);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f5f2ed;
  --muted: rgba(245, 242, 237, 0.58);
  --accent: #00ff66;
  --font-ui: "Space Grotesk", "Segoe UI", sans-serif;
  --font-display: "Syne", "Space Grotesk", sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 18% 14%, rgba(0, 255, 102, 0.08), transparent 26%),
    radial-gradient(circle at 82% 12%, rgba(255, 255, 255, 0.05), transparent 22%),
    linear-gradient(180deg, #020202 0%, #060606 48%, #030303 100%);
  color: var(--text);
  font-family: var(--font-ui);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at center, black 38%, transparent 100%);
  opacity: 0.16;
}

button,
input,
select,
textarea {
  font: inherit;
}

.editor-shell {
  display: grid;
  grid-template-columns: 420px 1fr;
  min-height: 100vh;
}

.panel {
  padding: 24px 18px 24px 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  background:
    linear-gradient(180deg, rgba(14, 14, 14, 0.98), rgba(8, 8, 8, 0.94)),
    radial-gradient(circle at top left, rgba(0, 255, 102, 0.08), transparent 40%);
}

.panel__header {
  padding: 4px 2px 22px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.panel__header h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 4.4rem);
  line-height: 0.88;
  letter-spacing: -0.08em;
}

.panel__copy {
  max-width: 18ch;
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.35;
}

.panel__stack {
  display: grid;
  gap: 14px;
  max-height: calc(100vh - 210px);
  overflow: auto;
  padding-right: 8px;
}

.panel-tabs {
  margin: 0 8px 14px 0;
  position: relative;
  z-index: 3;
}

.panel-pane {
  display: none;
}

.panel-pane.is-active {
  display: block;
}

.panel__stack::-webkit-scrollbar {
  width: 8px;
}

.panel__stack::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.group {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(18, 18, 18, 0.96), rgba(11, 11, 11, 0.96)),
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.03), transparent 55%);
}

.group h2 {
  margin: 0 0 14px;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.group__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}

.group__heading-main {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.group__heading-title {
  color: var(--text);
}

.group__heading-description {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
  letter-spacing: normal;
  text-transform: none;
}

.group__heading::after {
  content: "▾";
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1;
  transition: transform 160ms ease;
}

.group.is-collapsed .group__heading::after {
  transform: rotate(-90deg);
}

.group:not(.is-collapsed) .group__heading-description {
  display: none;
}

.group__content[hidden] {
  display: none !important;
}

.field {
  display: grid;
  gap: 8px;
}

.field + .field,
.field + .toggle-group,
.toggle-group + .field,
.preset-row + .field,
.two-col + .field {
  margin-top: 14px;
}

.field span {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.editorial-block-list {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

.editorial-block-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
  padding: 12px;
  display: grid;
  gap: 10px;
}

.editorial-block-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.editorial-block-card-title {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.editorial-block-card-actions {
  display: flex;
  gap: 6px;
}

.editorial-block-card-actions button {
  min-width: 32px;
  height: 32px;
  padding: 0 10px;
  border-radius: 12px;
}

.editorial-block-card textarea {
  min-height: 88px;
  resize: vertical;
}

.editorial-block-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 12px;
}

.editorial-block-card-grid .field {
  margin: 0;
}

.editorial-block-card-grid .field span {
  font-size: 0.62rem;
  letter-spacing: 0.12em;
}

.editorial-block-empty {
  padding: 12px 14px;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.4;
}

[data-help-ru] {
  position: relative;
}

[data-help-ru]::after {
  content: "!";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  margin-left: 8px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.66rem;
  line-height: 1;
  background: rgba(255, 255, 255, 0.04);
  flex: 0 0 auto;
}

[data-help-ru]::before {
  content: attr(data-help-ru);
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 30;
  width: min(320px, 72vw);
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: rgba(8, 8, 8, 0.96);
  color: var(--text);
  font-size: 0.76rem;
  line-height: 1.45;
  letter-spacing: normal;
  text-transform: none;
  white-space: normal;
  opacity: 0;
  pointer-events: none;
  transform: translateY(4px);
  transition: opacity 160ms ease, transform 160ms ease;
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.32);
}

[data-help-ru]:hover::before,
[data-help-ru]:focus-visible::before {
  opacity: 1;
  transform: translateY(0);
}

.field input[type="text"],
.field input[type="file"],
.field select,
.field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(24, 24, 24, 0.96), rgba(18, 18, 18, 0.96));
  color: var(--text);
  outline: none;
}

.field input[type="color"] {
  width: 100%;
  min-height: 48px;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background: transparent;
}

.field textarea {
  min-height: 110px;
  resize: vertical;
}

.field input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: rgba(0, 255, 102, 0.36);
  box-shadow: 0 0 0 4px rgba(0, 255, 102, 0.08);
}

.field--inline {
  grid-template-columns: 1fr auto;
  align-items: center;
}

.field--inline span {
  display: block;
}

.toggle-group,
.preset-row,
.export-grid,
.two-col {
  display: grid;
  gap: 8px;
}

.toggle-group {
  grid-template-columns: repeat(3, 1fr);
}

.toggle-group--dual {
  grid-template-columns: repeat(2, 1fr);
}

.preset-row,
.export-grid {
  grid-template-columns: repeat(3, 1fr);
}

.two-col {
  grid-template-columns: repeat(2, 1fr);
}

.toggle-group button,
.preset-row button,
.export-grid button {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 12px 14px;
  background: rgba(22, 22, 22, 0.96);
  color: var(--text);
  cursor: pointer;
  pointer-events: auto;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease;
}

.toggle-group button:hover,
.preset-row button:hover,
.export-grid button:hover {
  transform: translateY(-1px);
  border-color: rgba(0, 255, 102, 0.3);
}

.toggle-group button.is-active {
  color: #04180c;
  background: linear-gradient(135deg, rgba(20, 255, 120, 0.98), rgba(125, 255, 186, 0.76));
  border-color: transparent;
  box-shadow: 0 0 28px rgba(0, 255, 102, 0.18);
}

.button--subtle {
  width: 100%;
  margin-top: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 12px 14px;
  background: rgba(22, 22, 22, 0.96);
  color: var(--text);
  cursor: pointer;
}

.status {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.saved-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.saved-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background: rgba(18, 18, 18, 0.9);
}

.saved-item__meta {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.saved-item__meta strong {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.saved-item__meta span {
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.saved-item__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.saved-item__actions button {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 9px 12px;
  background: rgba(22, 22, 22, 0.96);
  color: var(--text);
  cursor: pointer;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}

.saved-item__actions button:hover {
  transform: translateY(-1px);
  border-color: rgba(0, 255, 102, 0.3);
}

.timeline-track {
  display: grid;
  gap: 10px;
}

.timeline-track__header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.timeline-track__bar {
  position: relative;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(22, 22, 22, 0.96), rgba(15, 15, 15, 0.96));
  overflow: hidden;
  cursor: pointer;
}

.timeline-track__playhead {
  position: absolute;
  top: 4px;
  bottom: 4px;
  width: 2px;
  border-radius: 999px;
  background: rgba(20, 255, 120, 0.96);
  box-shadow: 0 0 18px rgba(0, 255, 102, 0.35);
}

.timeline-track__key {
  position: absolute;
  top: 50%;
  width: 12px;
  height: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.82);
  transform: translate(-50%, -50%) rotate(45deg);
  border-radius: 2px;
  cursor: grab;
  touch-action: none;
}

.timeline-track__key.is-selected {
  background: rgba(20, 255, 120, 0.98);
  border-color: transparent;
  box-shadow: 0 0 18px rgba(0, 255, 102, 0.28);
}

.timeline-track__key:active {
  cursor: grabbing;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.66);
  backdrop-filter: blur(10px);
  pointer-events: auto;
}

.modal-card {
  position: relative;
  z-index: 1;
  width: min(520px, 100%);
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(18, 18, 18, 0.98), rgba(9, 9, 9, 0.98)),
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.03), transparent 55%);
  box-shadow: 0 32px 120px rgba(0, 0, 0, 0.45);
  pointer-events: auto;
}

.modal-card h2 {
  margin: 0 0 12px;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.stage-shell {
  position: relative;
  min-width: 0;
  padding: 22px;
}

.stage-meta {
  position: absolute;
  top: 34px;
  right: 42px;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: min(460px, calc(100vw - 520px));
}

.stage-meta p {
  margin: 0;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(10, 10, 10, 0.7);
  color: rgba(245, 242, 237, 0.72);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.stage {
  position: relative;
  width: 100%;
  height: calc(100vh - 44px);
  margin-inline: auto;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 28px;
  overflow: hidden;
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.03), transparent 42%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.96));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.02),
    0 40px 120px rgba(0, 0, 0, 0.42);
}

.stage.is-export-transparent {
  background: transparent;
  box-shadow: none;
}

.stage.is-framed-preview {
  height: auto;
  max-height: calc(100vh - 44px);
}

.stage-actions {
  display: flex;
  justify-content: center;
  padding-top: 14px;
}

.stage-actions button {
  min-width: 160px;
}

.hand-preview {
  position: relative;
  overflow: hidden;
  min-height: 220px;
  margin-top: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(18, 18, 18, 0.96), rgba(8, 8, 8, 0.98));
}

#hand-video,
#hand-overlay {
  display: block;
  width: 100%;
  height: 220px;
}

#hand-video {
  object-fit: cover;
  transform: scaleX(-1);
}

#hand-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

#scene-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

@media (max-width: 1180px) {
  .editor-shell {
    grid-template-columns: 1fr;
  }

  .panel {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .panel__stack {
    max-height: none;
  }

  .stage-shell {
    padding: 16px;
  }

  .stage {
    height: 72vh;
  }

  .stage.is-framed-preview {
    max-height: 72vh;
  }

  .stage-meta {
    top: 28px;
    right: 28px;
    max-width: calc(100vw - 48px);
  }
}

@media (max-width: 760px) {
  .panel {
    padding: 18px 14px;
  }

  .toggle-group,
  .toggle-group--dual,
  .preset-row,
  .export-grid,
  .two-col {
    grid-template-columns: 1fr;
  }

  .stage {
    height: 62vh;
    border-radius: 22px;
  }

  .stage.is-framed-preview {
    max-height: 62vh;
  }

  .editorial-block-card-grid {
    grid-template-columns: 1fr;
  }
}