:root {
  --bg: #f4efe4;
  --panel: #fffdf8;
  --panel-alt: #efe4cf;
  --ink: #1f1b16;
  --muted: #6d6357;
  --line: #d7c9b0;
  --accent: #0f6c5c;
  --accent-strong: #0a4f44;
  --danger: #a43b1f;
  --warn: #b06f1f;
  --success: #0f6c5c;
  --shadow: 0 18px 40px rgba(31, 27, 22, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: var(--bg);
}

a { color: var(--accent-strong); }

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

.sidebar {
  background: #17332c;
  color: #f8f3ea;
  padding: 32px 24px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand h1 { margin: 0 0 8px; font-size: 2rem; }
.tagline { color: rgba(248, 243, 234, 0.74); line-height: 1.5; }
.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  color: var(--muted);
}
.sidebar .eyebrow { color: #d9cbaa; }
.sidebar-status {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}
.status-pill,
.badge {
  display: inline-flex;
  border-radius: 999px;
  padding: 6px 10px;
  background: #d6ede8;
  color: var(--accent-strong);
  font-size: 0.82rem;
}
.status-pill.neutral,
.badge.neutral {
  background: #e8e2d8;
  color: var(--muted);
}
.nav { display: grid; gap: 12px; margin-top: 40px; }
.nav-link {
  color: #f8f3ea;
  text-decoration: none;
  padding: 12px 14px;
  border: 1px solid rgba(248, 243, 234, 0.14);
  border-radius: 14px;
}
.nav-link:hover,
.nav-link.active { background: rgba(248, 243, 234, 0.12); }

.content { padding: 28px 36px 36px; display: grid; gap: 24px; }
.judge-banner,
.hero, .panel, .scenario-card, .stat-card, .callout {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.judge-banner {
  border-radius: 18px;
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  background: #e8f4f1;
  border-color: #b2d8d1;
}

.app-banner {
  border-radius: 18px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  background: #faf4e8;
}
.app-banner.success {
  background: #e8f4f1;
  border-color: #9ecfc7;
}
.app-banner.error {
  background: #faeae6;
  border-color: #e0b4a8;
}
.app-banner.hidden { display: none; }

.hero {
  padding: 28px;
  border-radius: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.hero.compact { align-items: flex-start; }
.hero h2 { margin: 0 0 10px; font-size: 2.2rem; }
.lede { margin: 0; color: var(--muted); max-width: 760px; line-height: 1.6; }
.hero-actions, .action-row, .action-grid {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.stats-grid, .detail-grid, .card-grid {
  display: grid;
  gap: 18px;
}
.stats-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.detail-grid.tri-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.stat-card, .scenario-card, .signal-card, .evidence-card {
  padding: 22px;
  border-radius: 24px;
}
.stat-card span { display: block; color: var(--muted); }
.stat-card strong { display: block; margin-top: 12px; font-size: 2.4rem; }

.panel {
  padding: 24px;
  border-radius: 24px;
}
.panel-header,
.card-header,
.timeline-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}
.panel-header { margin-bottom: 18px; }
.panel-header h2, .panel-header h3, .panel h3 { margin: 0; }
.section-note {
  color: var(--muted);
  line-height: 1.5;
  margin-top: 0;
}

.button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.button.small { padding: 8px 12px; font-size: 0.92rem; }
.button.primary { background: var(--accent); color: #fff; }
.button.primary:hover { background: var(--accent-strong); }
.button.secondary, .button.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.button.danger { background: var(--danger); color: #fff; }
.button.is-loading {
  opacity: 0.7;
  cursor: progress;
}
.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.plain-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}
.plain-list.numbered { padding-left: 22px; }
.callout {
  border-radius: 6px;
  padding: 18px 20px;
}
.callout.callout-accent {
  background: #e8f4f1;
  border-color: #b2d8d1;
}
@keyframes pulse-warning {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.75; }
}
.callout.callout-warning {
  background: #e65c00;
  color: #fff;
  border: none;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  animation: pulse-warning 2s ease-in-out infinite;
}
.callout.callout-warning a,
.callout.callout-warning p,
.callout.callout-warning strong { color: #fff; }
.callout.callout-warning .button.primary {
  background: #fff;
  color: #e65c00;
}
.callout.callout-success {
  background: #e8f4f1;
  border-color: #9ecfc7;
  border-left: 4px solid #0f6c5c;
  border-radius: 6px;
}

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
thead th { color: var(--muted); font-weight: 600; }

.stack { display: grid; gap: 16px; }
.approval-card,
.timeline-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px;
  background: var(--panel);
}
.approval-card {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.approval-card.wide { align-items: flex-start; }
.approval-body {
  flex: 1 1 320px;
  min-width: 0;
}
.approval-body strong,
.approval-body p,
.approval-head strong {
  overflow-wrap: anywhere;
  word-break: break-word;
}
.approval-head { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 10px; }
.approval-meta { display: grid; gap: 8px; justify-items: end; }
.approval-actions {
  flex: 0 1 280px;
  justify-content: flex-end;
  width: 100%;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
  margin: 0;
}
.meta-grid > div {
  min-width: 0;
}
.meta-grid dt {
  color: var(--muted);
  font-size: 0.88rem;
}
.meta-grid dd {
  margin: 4px 0 0;
  font-weight: 600;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.timeline { display: grid; gap: 18px; }
.timeline-item { display: grid; grid-template-columns: 18px 1fr; gap: 16px; }
.timeline-dot {
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 999px;
  margin-top: 8px;
  box-shadow: 0 0 0 6px #d0ebe7;
}
.timeline-body {
  border-left: 1px solid var(--line);
  padding-left: 18px;
  padding-bottom: 12px;
}
.timeline-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.timeline-meta { color: var(--muted); margin: 6px 0 12px; }

.mini-meta { color: var(--muted); font-size: 0.92rem; }
.eval-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 22px;
  box-shadow: var(--shadow);
}

pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  background: #f6f0e3;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  font-size: 0.88rem;
}

.sidebar-user {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.5);
}
.user-name {
  margin: 6px 0 0;
  font-weight: 700;
}
.user-role,
.secondary-link,
.tiny-copy {
  color: var(--muted);
}
.secondary-link {
  display: inline-block;
  margin-top: 10px;
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-shell {
  width: min(100%, 520px);
}
.login-card {
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 30px;
  background: var(--panel-alt);
  box-shadow: var(--shadow);
}
.login-form {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}
.login-form label {
  display: grid;
  gap: 8px;
}
.password-input {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}
.login-form input {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  font: inherit;
  background: #fff;
  min-width: 0;
}
.password-toggle {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  white-space: nowrap;
}
.password-toggle:hover {
  background: var(--panel-alt);
}
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: none;
  padding: 12px 18px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  text-decoration: none;
  font-weight: 700;
}
.primary-button:hover {
  background: var(--accent-strong);
}

/* ── Filter bar + pagination ────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  margin-bottom: 4px;
}
.filter-select {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 12px;
  font: inherit;
  font-size: 0.88rem;
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
}
.filter-select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.filter-count {
  margin-left: auto;
  font-size: 0.84rem;
  color: var(--muted);
  white-space: nowrap;
}
.pagination {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0 4px;
  border-top: 1px solid var(--line);
  margin-top: 4px;
}
.page-info { font-size: 0.86rem; color: var(--muted); flex: 1; text-align: center; }
.empty-row { text-align: center; color: var(--muted); padding: 24px 0; }

/* ── Source badges (incident list) ─────────────────────────────────────── */
.src-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.src-badge.src-alertmanager { background: #fde8e3; color: #a43b1f; }
.src-badge.src-grafana       { background: #fff0e0; color: #b06f1f; }
.src-badge.src-webhook       { background: #e0ebf8; color: #1a4077; }
.src-badge.src-demo          { background: #e8e2d8; color: var(--muted); }
.source-label { font-size: 0.8rem; color: var(--muted); }

/* ── Live pill ──────────────────────────────────────────────────────────── */
.live-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #d6ede8;
  color: #0a4f44;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}
@keyframes live-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.7); }
}
.live-dot {
  width: 7px;
  height: 7px;
  background: #0f6c5c;
  border-radius: 50%;
  animation: live-pulse 1.4s ease-in-out infinite;
}

/* panel-header with live pill flex alignment */
.panel-header-with-live {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ── Quickstart guide (home page) ───────────────────────────────────────── */
.quickstart-guide {
  background: #d6ede8;
  border: 2px solid #0f6c5c;
  border-radius: 12px;
  padding: 18px 24px 14px;
}
.quickstart-title {
  margin: 0 0 14px;
  font-weight: 700;
  color: #0a4f44;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.quickstart-steps {
  display: flex;
  align-items: stretch;
  gap: 8px;
  flex-wrap: wrap;
}
.qs-step {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border-radius: 10px;
  padding: 10px 14px;
  text-decoration: none;
  color: var(--ink);
  flex: 1;
  min-width: 130px;
  border: 1px solid var(--line);
}
.qs-step:hover { background: #f5fffe; border-color: #0f6c5c; }
.qs-num {
  width: 28px;
  height: 28px;
  background: #0f6c5c;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.84rem;
  flex-shrink: 0;
}
.qs-step strong { display: block; font-size: 0.9rem; }
.qs-step span { display: block; font-size: 0.78rem; color: var(--muted); line-height: 1.4; margin-top: 2px; }
.qs-sep { color: #0f6c5c; font-size: 1.4rem; font-weight: 700; align-self: center; }
.qs-hint { margin: 12px 0 0; font-size: 0.84rem; color: #0a4f44; }

/* Navigation guide grid on home page */
.nav-guide-grid { display: grid; gap: 14px; }
.nav-guide-item a { font-weight: 700; color: var(--accent-strong); }
.nav-guide-item p { margin: 2px 0 0; font-size: 0.88rem; color: var(--muted); line-height: 1.4; }

/* ── Architecture diagram ────────────────────────────────────────────────── */
.arch-wrap {
  background: #fafafa;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 24px;
  display: grid;
  gap: 6px;
}
.arch-layer-lbl {
  margin: 6px 0 4px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  font-weight: 700;
}
.arch-legend {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.arch-leg {
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 0.78rem;
  font-weight: 600;
}
.arch-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.arch-box {
  border: 2px solid;
  border-radius: 8px;
  padding: 10px 14px;
  text-align: center;
  font-size: 0.84rem;
}
.arch-box b { display: block; margin-bottom: 3px; }
.arch-box small { display: block; color: #555; font-size: 0.77rem; line-height: 1.4; }
.arch-box.fullw { width: 100%; }
.arch-box.tall { min-height: 200px; }

/* Color variants */
.arch-box.client,
.arch-leg.client  { background: #f2f2f2; border-color: #aaa; color: #333; flex: 1; min-width: 120px; }
.arch-leg.client  { border: 2px solid #aaa; }

.arch-box.backend,
.arch-leg.backend { background: #d6ede8; border-color: #0f6c5c; color: #0a4f44; }
.arch-leg.backend { border: 2px solid #0f6c5c; }

.arch-box.ai,
.arch-leg.ai      { background: #ede8f8; border-color: #6b4fa0; color: #3d2070; }
.arch-leg.ai      { border: 2px solid #6b4fa0; }

.arch-box.tools,
.arch-leg.tools   { background: #e0ebf8; border-color: #2266aa; color: #144488; }
.arch-leg.tools   { border: 2px solid #2266aa; }

.arch-box.safe,
.arch-leg.safe    { background: #d6ede8; border-color: #0f6c5c; color: #0a4f44; }
.arch-leg.safe    { border: 2px solid #0f6c5c; }

.arch-box.gate,
.arch-leg.gate    { background: #fef3e2; border-color: #b06f1f; color: #7a4c00; }
.arch-leg.gate    { border: 2px solid #b06f1f; }

.arch-arr {
  text-align: center;
  color: #888;
  font-size: 0.82rem;
  padding: 2px 0;
  line-height: 1.6;
}
.arch-cols {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 20px;
  align-items: start;
  margin-top: 4px;
}
.arch-flow { display: grid; gap: 6px; }
.arch-data-col { display: grid; gap: 6px; }
.arch-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.arch-branch { display: grid; gap: 6px; }
.arch-branch-lbl {
  text-align: center;
  font-size: 0.76rem;
  color: #888;
  font-style: italic;
}
.arch-data-list {
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
  display: grid;
  gap: 5px;
  text-align: left;
  font-size: 0.82rem;
}
.arch-data-list li::before { content: "→ "; font-weight: 700; }

/* Qwen call sequence box */
.seq-box { text-align: left; padding: 12px 14px; }
.seq-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(107, 79, 160, 0.2);
  font-size: 0.82rem;
  line-height: 1.4;
}
.seq-item:last-child { border-bottom: none; }
.seq-n {
  width: 22px;
  height: 22px;
  background: #6b4fa0;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}
.arch-mt { margin-top: 16px; }

@media (max-width: 1100px) {
  .detail-grid.tri-grid { grid-template-columns: 1fr; }
  .arch-cols { grid-template-columns: 1fr; }
  .quickstart-steps { flex-direction: column; }
  .qs-sep { display: none; }
}

@media (max-width: 980px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .stats-grid, .detail-grid, .meta-grid { grid-template-columns: 1fr; }
  .hero, .approval-card { flex-direction: column; align-items: flex-start; }
  .content { padding: 18px; }
  .arch-split { grid-template-columns: 1fr; }
}