:root {
  color-scheme: dark;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  line-height: 1.5;
  font-weight: 400;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  --color-bg: #13171d;
  --color-surface: rgba(31, 36, 45, 0.92);
  --color-surface-strong: #2a313d;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-text: #f2eee8;
  --color-muted: #a8b0bd;
  --color-accent: #cf7b42;
  --color-accent-strong: #f3be8f;
  --color-accent-soft: rgba(207, 123, 66, 0.18);
  --shadow-panel: 0 18px 48px rgba(3, 7, 12, 0.38);
}

* {
  box-sizing: border-box;
}

html,
body,
#root {
  margin: 0;
  height: 100%;
}

body {
  min-height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at top, rgba(80, 96, 120, 0.35) 0%, rgba(23, 28, 37, 0) 42%),
    linear-gradient(180deg, #1b2029 0%, #101318 100%);
  color: var(--color-text);
}

button,
input {
  font: inherit;
}

button {
  border: 1px solid transparent;
  border-radius: 12px;
  cursor: pointer;
  transition:
    background-color 120ms ease,
    border-color 120ms ease,
    transform 120ms ease;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.app-shell {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  height: 100vh;
  gap: 12px;
  padding: 12px;
  overflow: hidden;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 18px;
  background: rgba(18, 22, 28, 0.88);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  box-shadow: var(--shadow-panel);
  backdrop-filter: blur(16px);
  min-width: 0;
}

.toolbar__scene-name {
  flex: 1 1 320px;
  min-width: 220px;
  max-width: 520px;
}

.toolbar__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
  min-width: 0;
}

.toolbar__group {
  display: flex;
  gap: 8px;
  padding: 8px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  border-radius: 14px;
}

.toolbar__button {
  padding: 0.65rem 0.9rem;
  background: var(--color-surface-strong);
  color: var(--color-text);
}

.toolbar__button:hover:not(:disabled) {
  border-color: rgba(255, 255, 255, 0.12);
}

.toolbar__button--active {
  background: var(--color-accent-soft);
  border-color: rgba(207, 123, 66, 0.55);
  color: var(--color-accent-strong);
}

.toolbar__button--accent {
  background: var(--color-accent);
  color: #20140c;
  font-weight: 700;
}

.toolbar__button--warn {
  box-shadow: inset 0 0 0 1px rgba(255, 241, 213, 0.28);
}

.toolbar__scene-name-input {
  height: 44px;
  padding: 0 14px;
  font-size: 1rem;
  font-weight: 700;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(240px, 280px) minmax(0, 1fr) minmax(280px, 320px);
  gap: 12px;
  min-height: 0;
  overflow: hidden;
}

.runner-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 320px);
  gap: 12px;
  min-height: 0;
  overflow: hidden;
}

.side-column {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
  min-width: 0;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.panel {
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  min-height: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-panel);
}

.panel__header {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 14px 16px;
  color: #e4d8ca;
  text-align: left;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.panel__header:hover:not(:disabled) {
  transform: none;
  background: rgba(255, 255, 255, 0.02);
}

.panel--collapsed .panel__header {
  border-bottom: 0;
}

.panel__chevron {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  transition: transform 120ms ease;
}

.panel__chevron--expanded {
  transform: rotate(45deg);
}

.panel__body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 16px;
}

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

.stat-card {
  padding: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid var(--color-border);
  border-radius: 14px;
}

.label {
  color: var(--color-muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.value {
  margin-top: 0.35rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.text-input {
  width: 100%;
  padding: 0.85rem 0.95rem;
  background: rgba(7, 9, 13, 0.4);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 12px;
}

.text-input--dense {
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
}

.color-input {
  width: 100%;
  min-height: 46px;
  padding: 0;
  background: rgba(7, 9, 13, 0.4);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  cursor: pointer;
}

.inline-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.info-banner {
  padding: 12px 14px;
  color: var(--color-text);
  background: rgba(137, 182, 255, 0.09);
  border: 1px solid rgba(137, 182, 255, 0.24);
  border-radius: 12px;
}

.form-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.vector-inputs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.vector-inputs--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.placeholder-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.placeholder-list li {
  padding: 10px 12px;
  color: var(--color-muted);
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed rgba(255, 255, 255, 0.11);
  border-radius: 12px;
}

.outliner-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.outliner-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.outliner-empty {
  padding: 10px 12px;
  color: var(--color-muted);
  font-size: 0.82rem;
  line-height: 1.45;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed rgba(255, 255, 255, 0.11);
  border-radius: 12px;
}

.outliner-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
  padding: 10px 12px;
  color: var(--color-text);
  text-align: left;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
}

.outliner-item:hover:not(:disabled) {
  border-color: rgba(255, 255, 255, 0.16);
}

.outliner-item--selected {
  background: var(--color-accent-soft);
  border-color: rgba(207, 123, 66, 0.55);
}

.outliner-item__title {
  font-size: 0.88rem;
  font-weight: 700;
}

.outliner-item__meta {
  color: var(--color-muted);
  font-size: 0.74rem;
}

.outliner-item__select {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  width: 100%;
  padding: 0;
  color: inherit;
  text-align: left;
  background: transparent;
  border: 0;
}

.outliner-item__select:hover:not(:disabled) {
  transform: none;
}

.outliner-item__editor {
  width: 100%;
  gap: 6px;
}

.material-browser {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.material-item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 10px;
  color: var(--color-text);
  text-align: left;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
}

.material-item--active {
  background: var(--color-accent-soft);
  border-color: rgba(207, 123, 66, 0.55);
}

.material-item__preview {
  display: block;
  width: 100%;
  height: 50px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.material-item__text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.material-item__title {
  font-size: 0.92rem;
  font-weight: 700;
}

.material-item__meta {
  color: var(--color-muted);
  font-size: 0.76rem;
}

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

.face-chip {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 10px 12px;
  color: var(--color-text);
  text-align: left;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
}

.face-chip--active {
  background: var(--color-accent-soft);
  border-color: rgba(207, 123, 66, 0.55);
}

.face-chip__title {
  font-size: 0.84rem;
  font-weight: 700;
}

.face-chip__meta {
  color: var(--color-muted);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.material-summary {
  margin-top: 8px;
  color: var(--color-muted);
  font-size: 0.82rem;
}

.world-background-preview {
  height: 76px;
  margin-top: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
}

.viewport-region {
  display: grid;
  grid-template-rows: 42px minmax(0, 1fr);
  min-height: 0;
  background: rgba(20, 24, 31, 0.92);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-panel);
}

.runner-region {
  display: flex;
  min-height: 0;
  background: rgba(20, 24, 31, 0.92);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-panel);
}

.viewport-region__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0) 100%);
  border-bottom: 1px solid var(--color-border);
}

.viewport-region__title {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.viewport-region__caption {
  color: var(--color-muted);
  font-size: 0.82rem;
}

.viewport-canvas,
.runner-canvas {
  position: relative;
  min-height: 420px;
  background:
    radial-gradient(circle at top, rgba(130, 154, 188, 0.28) 0%, rgba(130, 154, 188, 0) 38%),
    linear-gradient(180deg, #55657c 0%, #2c3440 34%, #151920 100%);
}

.viewport-canvas {
  cursor: default;
}

.viewport-canvas--box-create {
  cursor: copy;
}

.runner-canvas {
  flex: 1 1 auto;
  cursor: grab;
}

.viewport-canvas canvas,
.runner-canvas canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.viewport-canvas__overlay {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: min(380px, calc(100% - 36px));
  padding: 12px 14px;
  color: #f3e8da;
  background: rgba(8, 10, 14, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  backdrop-filter: blur(10px);
  pointer-events: none;
}

.viewport-canvas__overlay-badge {
  color: var(--color-accent-strong);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.viewport-canvas__overlay-text,
.viewport-canvas__overlay-preview {
  font-size: 0.82rem;
  line-height: 1.45;
}

.viewport-canvas__fallback,
.runner-canvas__fallback {
  position: absolute;
  inset: 18px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  padding: 18px;
  color: #f3e8da;
  background: linear-gradient(180deg, rgba(8, 10, 14, 0.12) 0%, rgba(8, 10, 14, 0.58) 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  pointer-events: none;
}

.viewport-canvas__fallback-title,
.runner-canvas__fallback-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.runner-canvas__crosshair {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 3;
  width: 14px;
  height: 14px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 2px rgba(8, 10, 14, 0.35);
  pointer-events: none;
}

.runner-canvas__crosshair::after {
  content: "";
  position: absolute;
  inset: 4px;
  background: rgba(255, 255, 255, 0.88);
  border-radius: 999px;
}

.runner-canvas__prompt {
  position: absolute;
  left: 50%;
  bottom: 22px;
  z-index: 4;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 220px;
  max-width: min(320px, calc(100% - 32px));
  padding: 12px 14px;
  color: #f6efe5;
  background: rgba(8, 10, 14, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.22);
  transform: translateX(-50%);
  backdrop-filter: blur(12px);
  pointer-events: none;
}

.runner-canvas__prompt-badge {
  color: var(--color-accent-strong);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.runner-canvas__prompt-text {
  font-size: 1rem;
  font-weight: 700;
}

.runner-canvas__prompt-meta {
  color: rgba(246, 239, 229, 0.76);
  font-size: 0.78rem;
}

.status-bar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 16px;
  min-height: 44px;
  padding: 8px 16px;
  background: rgba(18, 22, 28, 0.88);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  color: var(--color-muted);
}

.status-bar__item {
  display: flex;
  align-items: baseline;
  gap: 6px;
  min-width: 0;
}

.status-bar__strong {
  color: var(--color-text);
  font-weight: 700;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1100px) {
  .workspace {
    grid-template-columns: minmax(240px, 280px) minmax(0, 1fr);
  }

  .runner-workspace {
    grid-template-columns: 1fr;
  }

  .workspace > .side-column:last-child {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .app-shell {
    grid-template-rows: auto auto auto;
  }

  .toolbar {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .runner-workspace {
    grid-template-columns: 1fr;
  }

  .workspace > .side-column:last-child {
    display: flex;
  }

  .viewport-canvas,
  .runner-canvas {
    min-height: 320px;
  }

  .vector-inputs {
    grid-template-columns: 1fr;
  }

  .face-grid {
    grid-template-columns: 1fr;
  }

  .status-bar {
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 16px;
  }
}