:root {
  --ink-950: #081524;
  --ink-900: #10263f;
  --ink-800: #1c4065;
  --ink-700: #356084;
  --mist-100: #ecf3f8;
  --mist-200: #d9e5ef;
  --mist-300: #bfd1de;
  --paper: #f5f0e7;
  --paper-2: #e6ddd0;
  --brass: #c79a4d;
  --brass-soft: #e1bc80;
  --signal: #4fc3c8;
  --warn: #e6875b;
  --ok: #4caf7a;
  --line: rgba(16, 38, 63, 0.12);
  --shadow: 0 24px 60px rgba(8, 21, 36, 0.16);
  --font-display: "Bahnschrift SemiCondensed", "Bahnschrift", "Segoe UI", "Microsoft YaHei UI", sans-serif;
  --font-body: "Aptos", "Segoe UI", "Microsoft YaHei UI", sans-serif;
  --font-mono: "Cascadia Code", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  color: var(--ink-950);
  background:
    radial-gradient(circle at top left, rgba(79, 195, 200, 0.18), transparent 24%),
    radial-gradient(circle at top right, rgba(199, 154, 77, 0.18), transparent 22%),
    linear-gradient(135deg, #f8f3ea 0%, #edf3f7 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.28;
}

.app-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  min-height: 100vh;
}

.command-rail {
  background:
    linear-gradient(180deg, rgba(8, 21, 36, 0.98), rgba(16, 38, 63, 0.97)),
    linear-gradient(135deg, rgba(79, 195, 200, 0.08), transparent);
  color: #f5f8fb;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.brand-block {
  padding: 10px 4px 2px;
}

.eyebrow,
.panel-kicker {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  opacity: 0.78;
}

.brand-block h1,
.hero-copy h2,
.panel-head h2 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.brand-block h1 {
  margin: 12px 0 10px;
  font-size: 34px;
  line-height: 1.02;
}

.brand-block p {
  margin: 0;
  color: rgba(245, 248, 251, 0.78);
  line-height: 1.7;
  font-size: 14px;
}

.panel {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  box-shadow: var(--shadow);
  color: var(--ink-950);
}

.health-block,
.scenario-block {
  padding: 18px;
}

.health-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 8px 0 10px;
}

.health-line strong {
  font-size: 18px;
}

.status-pill,
.tone-pill {
  border-radius: 999px;
  padding: 6px 12px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid transparent;
}

.status-pill.ok,
.tone-pill.good {
  background: rgba(76, 175, 122, 0.14);
  color: #13603d;
  border-color: rgba(76, 175, 122, 0.2);
}

.status-pill.warn,
.tone-pill.warn {
  background: rgba(230, 135, 91, 0.14);
  color: #8d4320;
  border-color: rgba(230, 135, 91, 0.22);
}

.status-pill.neutral,
.tone-pill.neutral {
  background: rgba(16, 38, 63, 0.08);
  color: var(--ink-800);
  border-color: rgba(16, 38, 63, 0.12);
}

.health-block p {
  margin: 0 0 14px;
  line-height: 1.7;
  color: var(--ink-700);
  font-size: 14px;
}

.ghost-btn,
.primary-btn,
.secondary-btn,
.scenario-run-btn,
.scenario-load-btn,
.tab-btn {
  font-family: var(--font-display);
  border: 0;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.ghost-btn:hover,
.primary-btn:hover,
.secondary-btn:hover,
.scenario-run-btn:hover,
.scenario-load-btn:hover,
.tab-btn:hover {
  transform: translateY(-1px);
}

.ghost-btn {
  width: 100%;
  border-radius: 16px;
  padding: 12px 14px;
  background: rgba(16, 38, 63, 0.08);
  color: var(--ink-900);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-head h2 {
  margin: 8px 0 0;
  font-size: 26px;
}

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

.scenario-card {
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(236, 243, 248, 0.84), rgba(245, 240, 231, 0.9));
  border: 1px solid rgba(16, 38, 63, 0.1);
  padding: 16px;
  display: grid;
  gap: 12px;
}

.scenario-card.active {
  background: linear-gradient(135deg, rgba(16, 38, 63, 0.96), rgba(28, 64, 101, 0.96));
  color: #fff;
  border-color: rgba(199, 154, 77, 0.5);
  box-shadow: 0 18px 40px rgba(8, 21, 36, 0.26);
}

.scenario-card h3 {
  margin: 0;
  font-size: 20px;
  font-family: var(--font-display);
}

.scenario-card p {
  margin: 0;
  line-height: 1.65;
  font-size: 14px;
  color: var(--ink-700);
}

.scenario-card.active p {
  color: rgba(255, 255, 255, 0.82);
}

.scenario-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.scenario-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.scenario-run-btn,
.scenario-load-btn,
.primary-btn,
.secondary-btn {
  border-radius: 16px;
  padding: 12px 14px;
}

.scenario-run-btn,
.primary-btn {
  background: linear-gradient(135deg, var(--brass), var(--brass-soft));
  color: #1f1d19;
  box-shadow: 0 12px 24px rgba(199, 154, 77, 0.24);
}

.scenario-load-btn,
.secondary-btn {
  background: rgba(16, 38, 63, 0.08);
  color: var(--ink-900);
}

.scenario-card.active .scenario-load-btn {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.stage-shell {
  padding: 24px;
  display: grid;
  gap: 18px;
  align-content: start;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  padding: 24px 26px;
  background:
    radial-gradient(circle at top right, rgba(79, 195, 200, 0.24), transparent 26%),
    radial-gradient(circle at bottom left, rgba(199, 154, 77, 0.2), transparent 28%),
    linear-gradient(135deg, rgba(8, 21, 36, 0.97), rgba(28, 64, 101, 0.95));
  color: #f7fafc;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  box-shadow: var(--shadow);
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: auto -120px -120px auto;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  opacity: 0.55;
}

.hero-copy h2 {
  margin: 12px 0 10px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.02;
}

.hero-copy p {
  margin: 0;
  max-width: 72ch;
  color: rgba(247, 250, 252, 0.82);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric-card {
  border-radius: 22px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  min-height: 136px;
}

.metric-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-700);
  margin-bottom: 10px;
}

.metric-card .metric-value {
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1.1;
  color: var(--ink-950);
  margin-bottom: 10px;
}

.metric-card p {
  margin: 0;
  line-height: 1.65;
  color: var(--ink-700);
}

.tabs-panel {
  padding: 18px;
}

.tabs-head {
  display: grid;
  gap: 12px;
  margin-bottom: 14px;
}

.tab-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tab-btn {
  border-radius: 14px;
  padding: 10px 14px;
  background: rgba(16, 38, 63, 0.08);
  color: var(--ink-900);
}

.tab-btn.active {
  background: linear-gradient(135deg, rgba(16, 38, 63, 0.96), rgba(53, 96, 132, 0.94));
  color: #fff;
}

.tab-content {
  min-height: 480px;
}

.tab-layout,
.object-grid,
.log-grid,
.timeline,
.raw-panel {
  display: grid;
  gap: 14px;
}

.tab-layout {
  grid-template-columns: 1.2fr 0.8fr;
}

.detail-card,
.object-card,
.log-card,
.timeline-card,
.empty-state,
.raw-box {
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
  box-shadow: 0 16px 36px rgba(8, 21, 36, 0.08);
  padding: 18px;
}

.detail-card h3,
.detail-card h4,
.object-card h3,
.log-card h3,
.timeline-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
}

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

.timeline-item,
.log-item {
  border-left: 3px solid rgba(16, 38, 63, 0.12);
  padding-left: 12px;
  display: grid;
  gap: 6px;
}

.timeline-item strong,
.log-item strong {
  font-family: var(--font-display);
}

.pill-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.field-table {
  width: 100%;
  border-collapse: collapse;
}

.field-table td {
  padding: 9px 0;
  vertical-align: top;
  border-bottom: 1px dashed rgba(16, 38, 63, 0.12);
  font-size: 13px;
  line-height: 1.6;
}

.field-table td:first-child {
  width: 160px;
  color: var(--ink-700);
  font-family: var(--font-display);
  letter-spacing: 0.04em;
}

.mono {
  font-family: var(--font-mono);
}

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

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

.raw-box {
  overflow: auto;
  max-height: 740px;
  background: linear-gradient(180deg, rgba(12, 28, 46, 0.98), rgba(9, 22, 38, 0.98));
  color: #edf3f8;
}

.raw-box pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.75;
  white-space: pre-wrap;
  word-break: break-word;
}

.empty-state {
  color: var(--ink-700);
  line-height: 1.7;
}

.hidden {
  display: none;
}

@media (max-width: 1260px) {
  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tab-layout,
  .log-grid,
  .object-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-wrap: wrap;
  }
}

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

  .scenario-actions {
    grid-template-columns: 1fr;
  }
}