:root {
  --bg: #f6f8fb;
  --bg-accent: #eef4ff;
  --paper: #ffffff;
  --paper-soft: #fdfefe;
  --ink: #1f2328;
  --muted: #57606a;
  --line: #d0d7de;
  --line-strong: #afb8c1;
  --blue: #0969da;
  --blue-soft: #eaf2ff;
  --green: #1a7f37;
  --green-soft: #e7f6ec;
  --amber: #9a6700;
  --amber-soft: #fff8c5;
  --red: #cf222e;
  --red-soft: #ffebe9;
  --slate-soft: #f3f4f6;
  --shadow: 0 14px 28px rgba(31, 35, 40, 0.06);
  --shadow-soft: 0 8px 18px rgba(31, 35, 40, 0.04);
  --radius-xl: 22px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

* {
  box-sizing: border-box;
}

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

body {
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(9, 105, 218, 0.08), transparent 28%),
    linear-gradient(180deg, #fbfcfe 0%, var(--bg) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(208, 215, 222, 0.36) 1px, transparent 1px),
    linear-gradient(90deg, rgba(208, 215, 222, 0.36) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.1), transparent 74%);
}

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

button,
input,
select,
textarea,
pre {
  border-radius: var(--radius-sm);
}

button {
  border: 1px solid transparent;
  padding: 10px 14px;
  background: var(--blue);
  color: #fff;
  cursor: pointer;
  transition:
    background 140ms ease,
    border-color 140ms ease,
    transform 140ms ease,
    box-shadow 140ms ease,
    opacity 140ms ease;
  box-shadow: 0 10px 18px rgba(9, 105, 218, 0.16);
}

button:hover {
  background: #0858b8;
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

button.secondary,
button.ghost,
.nav-item,
.jump-card,
.filter-chip,
.version-pill {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
  box-shadow: none;
}

button.ghost {
  color: var(--blue);
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(9, 105, 218, 0.45);
  box-shadow: 0 0 0 4px rgba(9, 105, 218, 0.12);
}

pre {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
  border: 1px solid #d8dee4;
  background: #f6f8fa;
  color: #24292f;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.88rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  font-weight: 650;
  letter-spacing: -0.01em;
}

h1 {
  font-size: 2.1rem;
  line-height: 1.05;
}

h2 {
  font-size: clamp(1.55rem, 2.5vw, 2.2rem);
  line-height: 1.18;
}

h3 {
  font-size: 1.1rem;
  line-height: 1.3;
}

h4 {
  font-size: 1rem;
  line-height: 1.35;
}

.kicker,
.metric-label,
.field-label,
.card-kicker,
.status-caption {
  font-size: 0.73rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: none;
}

.hero-copy,
.panel-copy,
.sidebar-copy,
.soft-copy,
.message-copy,
.empty-state {
  color: var(--muted);
  line-height: 1.65;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  min-height: 100vh;
  padding: 28px 20px;
  background:
    linear-gradient(180deg, #ffffff 0%, #f9fbff 100%);
  border-right: 1px solid var(--line);
}

.brand-block {
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  box-shadow: var(--shadow-soft);
}

.sidebar-copy {
  margin-top: 14px;
}

.nav-list,
.stack,
.doc-grid,
.kv-list,
.timeline-stack,
.turn-stack,
.version-stack {
  display: grid;
  gap: 12px;
}

.nav-list {
  margin-top: 22px;
}

.nav-item {
  width: 100%;
  padding: 14px 15px;
  display: grid;
  justify-items: start;
  gap: 6px;
  text-align: left;
}

.nav-item.active {
  border-color: rgba(9, 105, 218, 0.26);
  background: var(--blue-soft);
}

.nav-title {
  font-weight: 700;
}

.nav-meta {
  font-size: 0.84rem;
  color: var(--muted);
}

.sidebar-section {
  margin-top: 24px;
}

.main-shell {
  padding: 28px 32px 36px;
}

.page-hero {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  padding: 28px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, #ffffff 0%, #f8fbff 52%, #eef5ff 100%);
  box-shadow: var(--shadow);
}

.hero-actions,
.controls,
.controls.row,
.chip-row,
.meta-row,
.action-row,
.status-row,
.selector-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-actions,
.controls {
  align-items: center;
}

.controls.row > * {
  flex: 1 1 180px;
}

.message-strip {
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.message-strip.hidden,
.view {
  display: none;
}

.message-strip.info {
  background: var(--blue-soft);
  border-color: rgba(9, 105, 218, 0.18);
}

.message-strip.warn {
  background: var(--amber-soft);
  border-color: rgba(154, 103, 0, 0.18);
}

.message-strip.error {
  background: var(--red-soft);
  border-color: rgba(207, 34, 46, 0.18);
}

.view.active {
  display: block;
}

.view {
  margin-top: 20px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  padding: 20px 22px 0;
}

.panel-head.wrap {
  flex-wrap: wrap;
}

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

.panel-copy {
  max-width: 64ch;
}

.panel-body,
.detail-shell {
  padding: 18px 22px 22px;
}

.two-column,
.split-layout,
.metric-grid,
.doc-grid,
.overview-grid,
.detail-grid,
.mini-grid,
.stage-grid {
  display: grid;
  gap: 16px;
}

.two-column {
  margin-top: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.split-layout {
  margin-top: 16px;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
}

.metric-grid {
  padding: 18px 22px 22px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-card,
.record-card,
.detail-card,
.context-card,
.event-card,
.mini-card,
.doc-card,
.turn-card,
.validator-card,
.version-card,
.stage-card,
.sidebar-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper-soft);
}

.metric-card,
.record-card,
.detail-card,
.context-card,
.event-card,
.validator-card,
.version-card,
.stage-card {
  padding: 16px;
}

.metric-card {
  background: linear-gradient(180deg, #ffffff 0%, #f9fbff 100%);
}

.metric-value,
.mini-value {
  margin-top: 8px;
  font-weight: 700;
}

.metric-value {
  font-size: 1.8rem;
  letter-spacing: -0.04em;
}

.mini-value {
  font-size: 1rem;
  line-height: 1.45;
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
}

.metric-note {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.55;
}

.record-card {
  cursor: pointer;
  transition: border-color 140ms ease, transform 140ms ease, box-shadow 140ms ease;
}

.record-card:hover {
  transform: translateY(-1px);
  border-color: rgba(9, 105, 218, 0.25);
  box-shadow: var(--shadow-soft);
}

.record-card.active {
  border-color: rgba(9, 105, 218, 0.34);
  background: linear-gradient(180deg, #ffffff 0%, #f4f8ff 100%);
}

.card-head,
.detail-head,
.headline-row,
.context-row,
.event-row,
.turn-head,
.validator-head,
.version-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.card-head > *,
.detail-head > *,
.headline-row > *,
.context-row > *,
.event-row > *,
.turn-head > *,
.validator-head > *,
.version-head > * {
  min-width: 0;
}

.card-head > div,
.detail-head > div,
.headline-row > div,
.event-row > div,
.validator-head > div,
.version-head > div {
  flex: 1 1 220px;
}

.card-copy {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.detail-head {
  margin-bottom: 14px;
}

.mini-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.mini-card {
  padding: 14px;
}

.tag,
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 0.82rem;
  white-space: normal;
  max-width: 100%;
  overflow-wrap: anywhere;
  text-align: left;
  line-height: 1.35;
}

.chip-row > *,
.action-row > *,
.status-row > *,
.selector-row > * {
  min-width: 0;
  max-width: 100%;
}

.status-badge.published,
.tone-published {
  border-color: rgba(26, 127, 55, 0.22);
  background: var(--green-soft);
  color: var(--green);
}

.status-badge.pending,
.tone-pending {
  border-color: rgba(154, 103, 0, 0.24);
  background: var(--amber-soft);
  color: var(--amber);
}

.status-badge.rejected,
.tone-rejected {
  border-color: rgba(207, 34, 46, 0.22);
  background: var(--red-soft);
  color: var(--red);
}

.status-badge.neutral,
.tone-neutral {
  border-color: rgba(9, 105, 218, 0.16);
  background: var(--blue-soft);
  color: var(--blue);
}

.sidebar-card {
  padding: 14px;
}

.kv-key {
  color: var(--muted);
  font-size: 0.88rem;
}

.kv-value {
  color: var(--ink);
  font-size: 0.92rem;
  text-align: right;
  overflow-wrap: anywhere;
}

.jump-card {
  width: 100%;
  padding: 14px 15px;
  text-align: left;
}

.jump-card strong,
.nav-title,
.nav-meta,
.metric-note,
.soft-copy,
.empty-state,
.stage-note,
.stage-title,
.panel-copy,
.hero-copy,
.sidebar-copy,
.kv-key,
.kv-value,
.turn-label,
.field-label,
.card-kicker,
.metric-label,
.status-caption,
h1,
h2,
h3,
h4 {
  overflow-wrap: anywhere;
}

.event-card {
  display: grid;
  gap: 10px;
}

.event-time {
  color: var(--muted);
  font-size: 0.88rem;
}

.panel-scroll {
  max-height: calc(100vh - 260px);
  overflow: auto;
}

.empty-state {
  padding: 16px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--slate-soft);
}

.stage-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stage-card {
  min-height: 132px;
}

.stage-card.current {
  border-color: rgba(9, 105, 218, 0.28);
  box-shadow: inset 0 0 0 1px rgba(9, 105, 218, 0.08);
}

.stage-card.done {
  background: linear-gradient(180deg, #ffffff 0%, #f0faf3 100%);
}

.stage-card.pending {
  background: linear-gradient(180deg, #ffffff 0%, #fffced 100%);
}

.stage-card.blocked {
  background: linear-gradient(180deg, #ffffff 0%, #fff0ef 100%);
}

.stage-title {
  margin-top: 12px;
  font-weight: 700;
}

.stage-note {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.5;
}

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

.doc-card {
  overflow: hidden;
}

.doc-head {
  padding: 14px 14px 0;
}

.doc-card pre {
  margin: 14px;
}

.validator-grid,
.version-grid {
  display: grid;
  gap: 12px;
}

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

.version-card.current {
  border-color: rgba(26, 127, 55, 0.26);
}

.rule-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

.selector-row label {
  flex: 1 1 220px;
}

.version-stack {
  margin-top: 14px;
}

.version-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.version-pill {
  max-width: 100%;
  white-space: normal;
  text-align: left;
  line-height: 1.35;
}

.version-pill.active {
  border-color: rgba(9, 105, 218, 0.26);
  background: var(--blue-soft);
  color: var(--blue);
}

.turn-card {
  padding: 14px;
}

.turn-block {
  margin-top: 12px;
}

.turn-label {
  display: inline-block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--muted);
}

.mono {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

.hidden {
  display: none !important;
}

body[data-loading="true"] button[data-op] {
  opacity: 0.6;
}

@media (max-width: 1220px) {
  .metric-grid,
  .mini-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stage-grid,
  .version-grid,
  .doc-grid,
  .two-column {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 960px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .main-shell {
    padding: 20px 18px 28px;
  }

  .page-hero,
  .panel-head {
    flex-direction: column;
  }

  .split-layout {
    grid-template-columns: 1fr;
  }

  .panel-scroll {
    max-height: none;
  }
}

@media (max-width: 640px) {
  .metric-grid,
  .mini-grid {
    grid-template-columns: 1fr;
  }

  .page-hero,
  .brand-block,
  .panel-body,
  .detail-shell,
  .metric-grid,
  .panel-head {
    padding-left: 16px;
    padding-right: 16px;
  }

  .record-card,
  .detail-card,
  .context-card,
  .event-card,
  .validator-card,
  .version-card,
  .stage-card,
  .mini-card {
    padding: 14px;
  }
}