:root,
html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1419;
  --bg-elev: #171d25;
  --bg-soft: #1c2430;
  --border: #2a3441;
  --text: #e7eef7;
  --muted: #8b9bb0;
  --accent: #6ee7b7;
  --accent-dim: #34d39933;
  --warn: #fbbf24;
  --danger: #f87171;
  --info: #7dd3fc;
  --logo-fg: #062016;
  --code-bg: #0b1016;
  --toast-bg: #111827;
  --glow-a: #1a2a22;
  --glow-b: #1a2233;
  --radius: 12px;
  --font: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-scale: 1;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f7fb;
  --bg-elev: #ffffff;
  --bg-soft: #eef2f7;
  --border: #d5dde8;
  --text: #152033;
  --muted: #5b6b80;
  --accent: #0f9f6e;
  --accent-dim: #0f9f6e22;
  --warn: #b45309;
  --danger: #dc2626;
  --info: #0369a1;
  --logo-fg: #062016;
  --code-bg: #e8eef6;
  --toast-bg: #ffffff;
  --glow-a: #d9f5e8;
  --glow-b: #dbeafe;
}

html[data-font="sm"] {
  --font-scale: 0.9;
}
html[data-font="md"] {
  --font-scale: 1;
}
html[data-font="lg"] {
  --font-scale: 1.12;
}
html[data-font="xl"] {
  --font-scale: 1.28;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  background: radial-gradient(1200px 600px at 10% -10%, var(--glow-a) 0%, transparent 50%),
    radial-gradient(900px 500px at 100% 0%, var(--glow-b) 0%, transparent 45%), var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: calc(16px * var(--font-scale));
  transition: background 0.2s ease, color 0.2s ease;
}

code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--bg-soft);
  padding: 0.1em 0.35em;
  border-radius: 6px;
}

.app {
  display: grid;
  grid-template-columns: 300px 1fr;
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-elev) 92%, transparent);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  gap: 1.25rem;
}

.brand {
  display: flex;
  gap: 0.85rem;
  align-items: center;
}

.logo {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: linear-gradient(145deg, var(--accent), #22d3ee);
  color: var(--logo-fg);
}

.brand h1 {
  margin: 0;
  font-size: 1rem;
  font-weight: 650;
}

.brand .muted,
#project-path {
  margin: 0.15rem 0 0;
  font-size: 0.72rem;
  word-break: break-all;
  max-width: 210px;
}

.demo-indicator {
  display: inline-flex;
  margin: 0.45rem 0 0;
  border: 1px solid color-mix(in srgb, var(--info) 55%, var(--border));
  border-radius: 999px;
  padding: 0.15rem 0.5rem;
  color: var(--info);
  background: color-mix(in srgb, var(--info) 12%, transparent);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.muted {
  color: var(--muted);
}

.section-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.change-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.change-item {
  text-align: left;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.change-item:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
}

.change-item.active {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.change-item .name {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

.change-item .meta {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  border-radius: 999px;
  padding: 0.1rem 0.45rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 1px solid var(--border);
}

.badge.complete {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
}
.badge.in-progress {
  color: var(--warn);
  border-color: color-mix(in srgb, var(--warn) 40%, var(--border));
}
.badge.empty {
  color: var(--muted);
}
.badge.archived {
  color: var(--info);
  border-color: color-mix(in srgb, var(--info) 40%, var(--border));
}

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
}

.stat {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  border-radius: 10px;
  padding: 0.55rem 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.stat-n {
  font-weight: 700;
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}

.stat-l {
  font-size: 0.68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.chip,
.view-btn {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
}

.chip:hover,
.view-btn:hover {
  color: var(--text);
}

.chip.active,
.view-btn.active {
  background: var(--accent-dim);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  color: var(--accent);
}

.sidebar-section.grow {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.sidebar-section.grow .change-list {
  overflow: auto;
  max-height: min(48vh, 520px);
  padding-right: 0.15rem;
}

.change-item .meta-sub {
  margin-top: 0.3rem;
  font-size: 0.7rem;
}

.spec-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.spec-chip,
.tag {
  font-size: 0.68rem;
  font-family: var(--mono);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.15rem 0.4rem;
  color: var(--info);
  background: color-mix(in srgb, #0ea5e9 10%, transparent);
}

button.spec-chip,
button.tag.clickable {
  cursor: pointer;
  font: inherit;
  font-size: 0.68rem;
  font-family: var(--mono);
}

button.spec-chip:hover,
button.tag.clickable:hover,
button.spec-chip.active {
  border-color: color-mix(in srgb, var(--info) 55%, var(--border));
  background: color-mix(in srgb, #0ea5e9 22%, transparent);
}

.sidebar-foot {
  margin-top: auto;
  font-size: 0.75rem;
}

.main {
  padding: 1.25rem 1.75rem 3rem;
  overflow: auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
  flex-wrap: wrap;
}

.topbar-left {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-width: 0;
}

.view-switch {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.view-hint {
  margin: 0;
  font-size: 0.82rem;
}

.prefs {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-left: auto;
}

.pref-group {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  border-radius: 999px;
  padding: 0.15rem;
}

.icon-btn {
  border: 0;
  background: transparent;
  color: var(--text);
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 650;
  display: grid;
  place-items: center;
  line-height: 1;
}

.icon-btn:hover:not(:disabled) {
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent);
}

.icon-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.font-label {
  min-width: 1.4rem;
  text-align: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.theme-icon-light {
  display: none;
}

html[data-theme="light"] .theme-icon-dark {
  display: none;
}

html[data-theme="light"] .theme-icon-light {
  display: inline;
}

html[data-theme="light"] .tab.active {
  color: #fff;
}

html[data-theme="light"] .md pre {
  background: var(--code-bg);
}

html[data-theme="light"] .toast {
  background: var(--toast-bg);
  box-shadow: 0 10px 30px #0f172a22;
}

.view.hidden {
  display: none !important;
}

/* Timeline */
.timeline-summary {
  display: flex;
  gap: 0.35rem;
  align-items: flex-end;
  overflow-x: auto;
  padding: 0.5rem 0.25rem 1rem;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.spark {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  min-width: 36px;
}

.spark-bar {
  width: 18px;
  border-radius: 6px 6px 2px 2px;
  background: linear-gradient(180deg, var(--accent), #22d3ee88);
}

.spark span {
  font-size: 0.62rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.timeline-day {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 0.75rem;
}

.timeline-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.timeline-rail .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-dim);
  margin-top: 0.35rem;
}

.timeline-rail .line {
  flex: 1;
  width: 2px;
  background: var(--border);
  margin-top: 0.35rem;
  min-height: 24px;
}

.timeline-day-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.65rem;
  flex-wrap: wrap;
}

.timeline-day-head h3 {
  margin: 0;
  font-size: 1rem;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}

.evo-card {
  text-align: left;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-elev) 90%, transparent);
  color: var(--text);
  border-radius: 12px;
  padding: 0.8rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  transition: border-color 0.15s, transform 0.15s;
  font: inherit;
}

.evo-card:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  transform: translateY(-1px);
}

.evo-card-top {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.75rem;
}

.evo-title {
  font-weight: 600;
  font-size: 0.92rem;
  line-height: 1.3;
}

.progress-bar.thin {
  height: 5px;
}

.progress-bar > div {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #22d3ee);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

/* Board */
.board {
  display: grid;
  grid-template-columns: repeat(4, minmax(200px, 1fr));
  gap: 0.85rem;
  align-items: start;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.board-col {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--bg-elev) 80%, transparent);
  min-height: 220px;
  display: flex;
  flex-direction: column;
}

.board-col > header {
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.board-col > header h3 {
  margin: 0;
  font-size: 0.9rem;
}

.board-col > header .muted {
  font-size: 0.72rem;
}

.board-cards {
  padding: 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.empty-col {
  margin: 1rem 0.25rem;
  font-size: 0.85rem;
}

.banner {
  margin: 0 0 0.85rem;
  padding: 0.55rem 0.8rem;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--info) 40%, var(--border));
  background: color-mix(in srgb, #0ea5e9 12%, transparent);
  color: var(--info);
  font-size: 0.85rem;
}

.task.readonly {
  opacity: 0.92;
}

.task input:disabled {
  cursor: not-allowed;
}

.empty {
  max-width: 420px;
  margin: 12vh auto;
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  background: color-mix(in srgb, var(--bg-elev) 80%, transparent);
}

.detail.hidden,
.panel.hidden,
.hidden {
  display: none !important;
}

.detail-header {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: flex-end;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.eyebrow {
  margin: 0 0 0.25rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.detail-header h2 {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 650;
}

.progress-block {
  min-width: 220px;
  flex: 1;
  max-width: 320px;
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.progress-bar {
  height: 8px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}

#progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), #22d3ee);
  transition: width 0.25s ease;
}

.tabs {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.55rem;
}

.tab {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-weight: 550;
}

.tab:hover {
  color: var(--text);
  background: var(--bg-soft);
}

.tab.active {
  color: #062016;
  background: var(--accent);
}

.panel {
  animation: fade 0.18s ease;
}

@keyframes fade {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.section {
  margin-bottom: 1.4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  overflow: hidden;
}

.section h3 {
  margin: 0;
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
}

.task {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}

.task:last-child {
  border-bottom: 0;
}

.task.done .task-text {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-color: color-mix(in srgb, var(--muted) 50%, transparent);
}

.task input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.15rem;
  accent-color: var(--accent);
  cursor: pointer;
}

.task-id {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--info);
  margin-right: 0.4rem;
}

.task-text {
  line-height: 1.45;
  font-size: 0.95rem;
}

.md {
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  line-height: 1.55;
  font-size: 0.95rem;
}

.md h1,
.md h2,
.md h3,
.md h4 {
  margin: 1.1rem 0 0.5rem;
  line-height: 1.25;
}

.md h1 {
  font-size: 1.35rem;
}
.md h2 {
  font-size: 1.15rem;
}
.md h3 {
  font-size: 1.02rem;
}

.md p,
.md ul,
.md ol {
  margin: 0.55rem 0;
}

.md ul,
.md ol {
  padding-left: 1.3rem;
}

.md code {
  font-size: 0.85em;
}

.md pre {
  overflow: auto;
  padding: 0.85rem 1rem;
  border-radius: 8px;
  background: #0b1016;
  border: 1px solid var(--border);
}

.md pre code {
  background: transparent;
  padding: 0;
}

.md blockquote {
  margin: 0.75rem 0;
  padding: 0.2rem 0.9rem;
  border-left: 3px solid var(--accent);
  color: var(--muted);
}

.spec-block {
  margin-bottom: 1rem;
}

.spec-block > h3 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  color: var(--info);
  font-family: var(--mono);
}

.toast {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  background: #111827;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.7rem 0.95rem;
  border-radius: 10px;
  box-shadow: 0 10px 30px #0006;
  z-index: 20;
  max-width: min(360px, 90vw);
  font-size: 0.9rem;
}

.toast.error {
  border-color: color-mix(in srgb, var(--danger) 55%, var(--border));
  color: #fecaca;
}

.toast.ok {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
}

.section-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
}

.section-label-row .section-label {
  margin-bottom: 0;
}

.detail-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.65rem;
}

.btn {
  border: 1px solid color-mix(in srgb, var(--accent) 50%, var(--border));
  background: var(--accent);
  color: #062016;
  border-radius: 9px;
  padding: 0.4rem 0.75rem;
  font: inherit;
  font-weight: 650;
  font-size: 0.85rem;
  cursor: pointer;
}

.btn:hover {
  filter: brightness(1.05);
}

.btn.ghost {
  background: var(--bg-soft);
  color: var(--text);
  border-color: var(--border);
}

.btn.ghost:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  background: color-mix(in srgb, var(--accent) 12%, var(--bg-soft));
}

.btn.danger {
  background: color-mix(in srgb, var(--danger) 85%, #111);
  border-color: color-mix(in srgb, var(--danger) 50%, var(--border));
  color: #fff;
}

html[data-theme="light"] .btn:not(.ghost) {
  color: #fff;
}

html[data-theme="light"] .btn.ghost {
  color: var(--text);
  background: var(--bg-soft);
}

.dialog-panel {
  padding: 1rem 1.1rem 0.9rem;
}

.dialog-panel h3 {
  margin: 0 0 0.75rem;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
}

.field input,
.section-title-input,
.task-id-input,
.task-text-input,
.add-task-input {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 8px;
  padding: 0.45rem 0.6rem;
  font: inherit;
}

.check-field {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin: 0.75rem 0;
  font-size: 0.9rem;
}

.editor {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--bg-elev) 90%, transparent);
  overflow: hidden;
}

.editor-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
  flex-wrap: wrap;
}

.editor-body {
  display: grid;
  min-height: 320px;
}

.editor-body.mode-split {
  grid-template-columns: 1fr 1fr;
}

.editor-body.mode-edit {
  grid-template-columns: 1fr;
}

.editor-body.mode-edit .editor-preview {
  display: none;
}

.editor-body.mode-preview {
  grid-template-columns: 1fr;
}

.editor-body.mode-preview .editor-input {
  display: none;
}

.editor-input {
  border: 0;
  border-right: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.5;
  padding: 0.9rem 1rem;
  resize: vertical;
  min-height: 320px;
  outline: none;
}

.editor-preview {
  padding: 0.9rem 1rem;
  overflow: auto;
  border-radius: 0 !important;
  border: 0 !important;
  background: transparent !important;
}

.editor-hint {
  margin: 0;
  padding: 0.45rem 0.8rem 0.65rem;
  font-size: 0.75rem;
  border-top: 1px solid var(--border);
}

.tasks-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.section-head {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
}

.section-title-input {
  flex: 1;
  font-weight: 650;
}

.task.editable {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.65rem;
  align-items: start;
}

.task-edit-body {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
}

.task-edit-row {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.4rem;
}

.task-edit-actions {
  display: flex;
  gap: 0.2rem;
}

.icon-btn.danger {
  color: var(--danger);
}

.add-task-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.45rem;
  padding: 0.7rem 0.85rem 0.85rem;
}

.empty-tasks {
  padding: 0.75rem 1rem;
  margin: 0;
}

/* Live + search */
.live-line {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0.25rem 0 0;
  font-size: 0.7rem;
}

.live-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: var(--muted);
  box-shadow: 0 0 0 3px transparent;
}

.live-dot[data-status="live"] {
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.live-dot[data-status="connecting"],
.live-dot[data-status="offline"] {
  background: var(--warn);
}

.search-launch {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--muted);
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
}

.search-launch:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  color: var(--text);
}

.search-launch kbd,
.search-input-row kbd,
.search-foot kbd {
  font-family: var(--mono);
  font-size: 0.68rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.1rem 0.35rem;
  color: var(--muted);
  background: var(--bg-elev);
}

.search-modal {
  position: fixed;
  inset: 0;
  background: #02061788;
  backdrop-filter: blur(4px);
  z-index: 40;
  display: grid;
  place-items: start center;
  padding: 12vh 1rem 1rem;
}

.search-modal.hidden {
  display: none !important;
}

.search-panel {
  width: min(640px, 100%);
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-elev);
  box-shadow: 0 20px 60px #0007;
  overflow: hidden;
}

.search-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--border);
}

.search-input-row input {
  flex: 1;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 1rem;
}

.search-results {
  max-height: min(50vh, 420px);
  overflow: auto;
  padding: 0.4rem;
}

.search-empty {
  padding: 1rem;
  margin: 0;
}

.search-hit {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  color: var(--text);
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
  cursor: pointer;
  font: inherit;
}

.search-hit:hover,
.search-hit.active {
  background: var(--accent-dim);
}

.search-hit-top {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.search-title {
  font-weight: 600;
  font-size: 0.92rem;
}

.search-sub {
  font-size: 0.75rem;
  margin-top: 0.2rem;
}

.search-snip {
  margin-top: 0.35rem;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.35;
}

.search-foot {
  margin: 0;
  padding: 0.55rem 0.9rem 0.7rem;
  border-top: 1px solid var(--border);
  font-size: 0.72rem;
}

/* Diff */
.diff-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--bg-elev) 90%, transparent);
  margin-bottom: 0.9rem;
  overflow: hidden;
}

.diff-card-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
  align-items: flex-start;
}

.diff-card-head h3 {
  margin: 0;
  font-size: 1rem;
  font-family: var(--mono);
}

.diff-card-head p {
  margin: 0.2rem 0 0;
  font-size: 0.78rem;
}

.diff-counts {
  display: flex;
  gap: 0.35rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
}

.diff-count {
  border-radius: 999px;
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--border);
}

.diff-count.add {
  color: var(--accent);
}
.diff-count.mod {
  color: var(--warn);
}
.diff-count.rem {
  color: var(--danger);
}

.diff-ops {
  padding: 0.55rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.diff-op {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
  background: color-mix(in srgb, var(--bg) 40%, transparent);
}

.diff-op.op-added {
  border-left: 3px solid var(--accent);
}
.diff-op.op-modified {
  border-left: 3px solid var(--warn);
}
.diff-op.op-removed {
  border-left: 3px solid var(--danger);
}

.diff-op-head {
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
  flex-wrap: wrap;
}

.diff-badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.1rem 0.4rem;
  font-family: var(--mono);
}

.diff-preview {
  margin: 0.4rem 0 0;
  font-size: 0.85rem;
  line-height: 1.4;
}

/* Next / Now */
.next-hero {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-end;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.next-hero h2 {
  margin: 0.15rem 0 0.35rem;
  font-size: 1.35rem;
}

.next-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.next-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-elev) 90%, transparent);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
}

.next-rank {
  font-weight: 750;
  font-size: 0.85rem;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  padding-top: 0.15rem;
}

.next-head {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: baseline;
  margin-bottom: 0.45rem;
  flex-wrap: wrap;
}

.linkish {
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-weight: 650;
  font-size: 1rem;
  cursor: pointer;
  padding: 0;
  text-align: left;
}

.linkish:hover {
  color: var(--accent);
}

.next-task {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  align-items: flex-start;
  margin-top: 0.7rem;
  cursor: pointer;
}

.next-task input {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.2rem;
  accent-color: var(--accent);
  cursor: pointer;
}

.next-section {
  font-size: 0.75rem;
  margin-bottom: 0.2rem;
}

.next-body .tag-row {
  margin-top: 0.65rem;
}

/* Graph */
.graph-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.graph-actions {
  display: flex;
  gap: 0.65rem;
  align-items: center;
  flex-wrap: wrap;
  font-size: 0.82rem;
}

.legend {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.swatch {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 999px;
  display: inline-block;
  border: 1px solid var(--border);
}

.swatch.spec-main {
  background: var(--info);
}
.swatch.spec-delta {
  background: transparent;
  border-color: var(--info);
}
.swatch.change {
  background: var(--accent);
  border-radius: 3px;
}

.graph-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  overflow: auto;
}

.graph-svg {
  width: 100%;
  min-height: 320px;
  display: block;
}

.g-col-title {
  fill: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--font);
}

.g-edge {
  fill: none;
  stroke: color-mix(in srgb, var(--border) 80%, var(--info));
  stroke-width: 1.5;
  opacity: 0.75;
  transition: opacity 0.15s, stroke 0.15s, stroke-width 0.15s;
}

.g-edge.is-hot {
  stroke: var(--accent);
  stroke-width: 2.4;
  opacity: 1;
}

.g-edge.is-dim {
  opacity: 0.12;
}

.g-node {
  cursor: pointer;
}

.g-node.is-dim {
  opacity: 0.22;
}

.g-node.is-hot {
  opacity: 1;
}

.g-spec circle {
  fill: color-mix(in srgb, var(--info) 25%, var(--bg-soft));
  stroke: var(--info);
  stroke-width: 2;
}

.g-spec.is-main circle {
  fill: color-mix(in srgb, var(--info) 55%, var(--bg-soft));
}

.g-spec.is-focus circle {
  stroke: var(--accent);
  stroke-width: 3;
}

:where(button, input, textarea):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.g-node:focus-visible {
  outline: none;
}

.g-node:focus-visible > circle,
.g-node:focus-visible > rect {
  stroke: var(--accent);
  stroke-width: 4px;
}

.g-change rect {
  fill: color-mix(in srgb, var(--accent) 30%, var(--bg-soft));
  stroke: var(--accent);
  stroke-width: 2;
}

.g-change.is-archived rect {
  fill: color-mix(in srgb, var(--muted) 25%, var(--bg-soft));
  stroke: var(--muted);
}

.g-label {
  fill: var(--text);
  font-size: 13px;
  font-family: var(--font);
  font-weight: 600;
}

.g-sub {
  fill: var(--muted);
  font-size: 11px;
  font-family: var(--font);
}

@media (max-width: 1100px) {
  .board {
    grid-template-columns: repeat(2, minmax(220px, 1fr));
  }
}

@media (max-width: 860px) {
  .app {
    grid-template-columns: 1fr;
  }
  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .main {
    padding: 1rem;
  }
  .board {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    /* Near-zero instead of 0 so animation/transition end events still fire. */
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}