:root {
  color-scheme: dark;
  --surface-lowest: #0e0e0e;
  --surface: #131313;
  --surface-low: #1c1b1b;
  --surface-mid: #201f1f;
  --surface-high: #2a2a2a;
  --surface-highest: #353534;
  --line: #3b494b;
  --line-soft: rgba(132, 148, 149, 0.24);
  --text: #e5e2e1;
  --text-muted: #b9cacb;
  --text-dim: #849495;
  --cyan: #00dbe9;
  --cyan-soft: rgba(0, 219, 233, 0.14);
  --amber: #ffba20;
  --danger: #ffb4ab;
  --radius: 8px;
  --topbar: 56px;
  --sidebar: 280px;
  --inspector: 320px;
  font-family: Geist, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100dvh;
  overflow: hidden;
  background: var(--surface-lowest);
  color: var(--text);
}

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

button {
  border: 0;
  cursor: pointer;
}

.material-symbols-outlined {
  font-size: 20px;
  line-height: 1;
  vertical-align: middle;
}

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--topbar);
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: rgba(19, 19, 19, 0.86);
  border-bottom: 1px solid var(--line-soft);
  backdrop-filter: blur(18px);
}

.brand-block, .top-actions, .topnav, .search, .primary-button, .secondary-button {
  display: flex;
  align-items: center;
}

.brand {
  min-width: 170px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.topnav {
  gap: 18px;
}

.topnav-item {
  padding: 18px 0 15px;
  color: var(--text-muted);
  background: transparent;
  border-bottom: 2px solid transparent;
  font-size: 13px;
  font-weight: 600;
}

.topnav-item.active {
  color: var(--cyan);
  border-color: var(--cyan);
}

.top-actions {
  gap: 12px;
}

.search {
  width: 260px;
  height: 34px;
  gap: 8px;
  padding: 0 10px;
  background: var(--surface-high);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  color: var(--text-dim);
}

.search input {
  width: 100%;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--text);
  font-size: 13px;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: var(--text-muted);
  background: transparent;
  border-radius: var(--radius);
}

.icon-button:hover, .tree-item:hover, .project-pill:hover {
  background: var(--surface-high);
  color: var(--text);
}

.primary-button, .secondary-button {
  justify-content: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 14px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 700;
}

.primary-button {
  color: #002022;
  background: var(--text);
}

.primary-button:hover {
  background: var(--cyan);
}

.secondary-button {
  color: var(--text);
  background: var(--surface-low);
  border: 1px solid var(--line-soft);
}

.shell {
  display: grid;
  grid-template-columns: var(--sidebar) 1fr var(--inspector);
  height: 100dvh;
  padding-top: var(--topbar);
}

.sidebar, .inspector {
  min-height: 0;
  background: var(--surface-low);
  border-color: var(--line-soft);
}

.sidebar {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line-soft);
}

.project-head {
  padding: 22px 18px 18px;
  border-bottom: 1px solid var(--line-soft);
}

.eyebrow {
  color: var(--text-dim);
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow.cyan {
  color: var(--cyan);
}

.project-head h1, .workspace-head h2, .inspector h3, .dialog-head h3 {
  margin: 4px 0;
  letter-spacing: -0.02em;
}

.project-head h1 {
  font-size: 22px;
}

.project-head p, .workspace-head p {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.6;
}

.tree {
  padding: 12px 8px;
}

.tree-item, .project-pill, .new-project {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 38px;
  gap: 10px;
  padding: 0 12px;
  color: var(--text-muted);
  background: transparent;
  border-radius: var(--radius);
  text-align: left;
  font-size: 13px;
  font-weight: 600;
}

.tree-item.active {
  color: var(--cyan);
  background: var(--surface-highest);
  box-shadow: inset 2px 0 0 var(--cyan);
}

.count {
  margin-left: auto;
  color: var(--text-dim);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
}

.sidebar-section {
  padding: 16px;
  margin-top: auto;
  border-top: 1px solid var(--line-soft);
}

.project-pill {
  margin-top: 6px;
}

.project-pill.selected {
  color: var(--text);
  background: var(--surface-mid);
}

.new-project {
  margin: 0 16px 16px;
  width: calc(100% - 32px);
  justify-content: center;
  color: var(--surface);
  background: var(--text);
}

.workspace {
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 0 0, rgba(0, 219, 233, 0.08), transparent 26%),
    radial-gradient(circle, rgba(59, 73, 75, 0.62) 1px, transparent 1px),
    var(--surface-lowest);
  background-size: auto, 20px 20px, auto;
}

.view {
  display: none;
  height: 100%;
  overflow: auto;
  padding: 24px;
}

.view.active {
  display: block;
}

.workspace-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
}

.workspace-head.compact {
  align-items: center;
}

.workspace-head h2 {
  font-size: 32px;
  line-height: 1.16;
}

.head-metrics {
  display: grid;
  grid-template-columns: repeat(3, 88px);
  gap: 8px;
}

.head-metrics div {
  padding: 12px;
  background: rgba(32, 31, 31, 0.9);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.head-metrics strong {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 20px;
  color: var(--cyan);
}

.head-metrics span {
  color: var(--text-dim);
  font-size: 12px;
}

.toolbar, .segmented, .tag-strip {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toolbar {
  justify-content: space-between;
  margin-bottom: 16px;
}

.segmented {
  padding: 4px;
  background: var(--surface-mid);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.segmented button, .mode-button {
  min-height: 28px;
  padding: 0 12px;
  color: var(--text-muted);
  background: transparent;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
}

.segmented button.active, .mode-button.active {
  color: var(--cyan);
  background: var(--surface-highest);
}

.tag-strip {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.tag {
  padding: 6px 9px;
  color: var(--text-muted);
  background: rgba(28, 27, 27, 0.82);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
}

.tag.active {
  color: #002022;
  background: var(--cyan);
  border-color: var(--cyan);
}

.asset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  padding-bottom: 32px;
}

.asset-card {
  overflow: hidden;
  color: var(--text);
  background: var(--surface-low);
  border: 1px solid var(--surface-high);
  border-radius: var(--radius);
  text-align: left;
  transition: border-color 160ms ease, transform 160ms ease;
}

.asset-card:hover, .asset-card.selected {
  border-color: rgba(0, 219, 233, 0.72);
}

.asset-card:active {
  transform: translateY(1px);
}

.thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--surface-mid);
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.9) contrast(1.04);
}

.thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(14, 14, 14, 0.78), transparent 56%);
  opacity: 0;
  transition: opacity 160ms ease;
}

.asset-card:hover .thumb::after {
  opacity: 1;
}

.asset-body {
  padding: 12px;
}

.asset-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--text-dim);
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
}

.asset-title {
  margin: 6px 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 700;
}

.asset-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.asset-tags span {
  color: var(--cyan);
  font-size: 11px;
}

.inspector {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--line-soft);
}

.inspector-head {
  display: flex;
  justify-content: space-between;
  padding: 18px;
  border-bottom: 1px solid var(--line-soft);
}

.status-dot {
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}

#detailPanel {
  min-height: 0;
  overflow: auto;
  padding: 18px;
}

.detail-empty {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 12px;
  height: 100%;
  color: var(--text-dim);
  text-align: center;
}

.detail-empty .material-symbols-outlined {
  font-size: 42px;
}

.detail-cover {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
}

.detail-section {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.detail-section h4 {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--cyan);
}

.detail-section p, .detail-section li {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.62;
}

.detail-section ul {
  margin: 0;
  padding-left: 18px;
}

.canvas-view {
  position: relative;
  overflow: hidden;
}

.canvas-stage {
  display: grid;
  place-items: center;
  height: calc(100dvh - var(--topbar) - 48px);
}

.canvas-card {
  position: relative;
  width: min(980px, 92%);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--surface-mid);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.46);
}

.canvas-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.84;
  mix-blend-mode: screen;
}

.ink-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.ink-note, .ink-ring, .ink-line {
  position: absolute;
  color: var(--cyan);
  text-shadow: 0 0 8px rgba(0, 219, 233, 0.72);
  font-family: "JetBrains Mono", monospace;
}

.ink-note {
  font-size: 13px;
  font-style: italic;
}

.note-a { left: 16%; bottom: 13%; }
.note-b { right: 10%; top: 18%; }

.ink-ring {
  right: 25%;
  top: 44%;
  width: 92px;
  height: 56px;
  border: 3px solid var(--cyan);
  border-radius: 50%;
  transform: rotate(-14deg);
}

.ink-line {
  left: 24%;
  bottom: 24%;
  width: 180px;
  height: 94px;
  border-left: 3px solid var(--cyan);
  border-bottom: 3px solid var(--cyan);
  border-radius: 0 0 0 90px;
  transform: rotate(18deg);
}

.floating-ai {
  position: absolute;
  left: 50%;
  bottom: 24%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 18px;
  color: var(--cyan);
  background: rgba(32, 31, 31, 0.92);
  border: 1px solid rgba(0, 219, 233, 0.52);
  border-radius: 999px;
  box-shadow: 0 0 22px rgba(0, 219, 233, 0.18);
}

.zoom-bar {
  position: absolute;
  right: 24px;
  bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px;
  background: rgba(19, 19, 19, 0.86);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.zoom-bar span {
  color: var(--text-muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
}

.ai-layout {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 16px;
}

.prompt-panel, .result-panel, .archive-item {
  background: rgba(28, 27, 27, 0.92);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.prompt-panel {
  padding: 18px;
}

.prompt-panel label, .capture-dialog label {
  display: grid;
  gap: 8px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
}

.prompt-panel textarea, .capture-dialog textarea, .capture-dialog input, .capture-dialog select {
  width: 100%;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  outline: 0;
}

.prompt-panel textarea {
  min-height: 220px;
  padding: 14px;
  resize: vertical;
  line-height: 1.7;
}

.ai-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.mode-button {
  border: 1px solid var(--line-soft);
}

.result-panel {
  min-height: 360px;
  padding: 20px;
}

.result-panel h3 {
  margin: 0 0 14px;
}

.result-grid {
  display: grid;
  gap: 12px;
}

.result-block {
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.result-block h4 {
  margin: 0 0 8px;
  color: var(--cyan);
}

.result-block p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.65;
}

.archive-list {
  display: grid;
  gap: 10px;
}

.archive-item {
  display: grid;
  grid-template-columns: 84px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 10px;
}

.archive-item img {
  width: 84px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
}

.archive-item h3 {
  margin: 0 0 4px;
  font-size: 15px;
}

.archive-item p {
  margin: 0;
  color: var(--text-dim);
  font-size: 12px;
}

.capture-dialog {
  width: min(620px, calc(100vw - 32px));
  color: var(--text);
  background: var(--surface-low);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.6);
}

.capture-dialog::backdrop {
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(6px);
}

.capture-dialog form {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 20px;
}

.dialog-head, .dialog-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.capture-dialog textarea {
  min-height: 120px;
  padding: 12px;
}

.capture-dialog input, .capture-dialog select {
  height: 38px;
  padding: 0 10px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.upload-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 86px;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  font-size: 13px;
}

@media (max-width: 1120px) {
  :root {
    --sidebar: 72px;
    --inspector: 300px;
  }

  .brand { min-width: auto; }
  .topnav { display: none; }
  .sidebar .project-head, .sidebar-section, .new-project, .tree-item .count {
    display: none;
  }
  .tree-item {
    justify-content: center;
    padding: 0;
  }
  .tree-item .material-symbols-outlined {
    font-size: 24px;
  }
  .tree-item {
    font-size: 0;
  }
  .workspace-head {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 860px) {
  body { overflow: auto; }
  .topbar { position: sticky; }
  .search { display: none; }
  .shell {
    grid-template-columns: 1fr;
    height: auto;
    padding-top: 0;
  }
  .sidebar, .inspector {
    display: none;
  }
  .workspace {
    min-height: calc(100dvh - var(--topbar));
  }
  .view {
    padding: 16px;
  }
  .head-metrics, .ai-layout, .form-grid {
    grid-template-columns: 1fr;
  }
  .toolbar {
    align-items: flex-start;
    flex-direction: column;
  }
}