*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --paper: #f4f1ea;
  --paper-dark: #ebe6dc;
  --ink: #141414;
  --ink-soft: #4a4a46;
  --ink-faint: #8a8780;
  --line: #d4cfc4;
  --accent: #9a3412;
  --sidebar: #141414;
  --surface: #ffffff;
  --critical: #b91c1c;
  --high: #c2410c;
  --medium: #a16207;
  --low: #57534e;
  --info: #1d4ed8;
  --healthy: #166534;
  --healthy-bg: #ecfdf3;
  --attention-bg: #fff7ed;
  --critical-bg: #fef2f2;
  --monitor-bg: #eff6ff;
  --radius: 10px;
}

html { font-size: 16px; }
body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Brand */
.burgus-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: inherit;
}
.burgus-logo:hover { text-decoration: none; }
.burgus-logo img { border-radius: 4px; display: block; }
.wordmark { font-size: 0.95rem; font-weight: 600; letter-spacing: -0.02em; }
.wordmark span { color: var(--ink-faint); font-weight: 400; }
.sidebar .wordmark { color: #fff; }
.sidebar .wordmark span { color: #8a8780; }

/* Public / login */
.public-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}
.public-header, .public-footer {
  padding: 0.85rem clamp(1.25rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--line);
}
.public-footer {
  border-bottom: none;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--ink-faint);
}
.public-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem;
}
.auth-card {
  width: 100%;
  max-width: 22rem;
}
.auth-card h1 {
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}
.lede { color: var(--ink-soft); margin-bottom: 1.25rem; font-size: 0.95rem; }
.fine-print { color: var(--ink-faint); font-size: 0.82rem; margin-top: 1rem; }
.login-grid { display: grid; gap: 0.65rem; }
.btn-oauth {
  display: block;
  text-align: center;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: 6px;
  font-weight: 500;
  text-decoration: none;
}
.btn-oauth:hover { background: var(--accent); color: #fff; text-decoration: none; }
.error { color: var(--critical); margin-bottom: 1rem; font-size: 0.9rem; }

/* App shell */
.app-shell {
  display: grid;
  grid-template-columns: 15rem 1fr;
  min-height: 100vh;
}
.sidebar {
  background: var(--sidebar);
  color: #d6d3cd;
  padding: 1.25rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.sidebar .burgus-logo { padding: 0 0.45rem 1rem; margin: 0; }
.sidebar-nav { display: grid; gap: 0.15rem; flex: 1; align-content: start; }
.nav-divider { height: 1px; background: rgba(255,255,255,0.1); margin: 0.5rem 0.35rem; }
.nav-item {
  display: block;
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  color: #c8c5be;
  font-size: 0.88rem;
  text-decoration: none;
}
.nav-item:hover { background: rgba(255,255,255,0.07); color: #fff; text-decoration: none; }
.nav-item.active { background: rgba(255,255,255,0.12); color: #fff; font-weight: 550; }
.nav-signout { color: #8a8780; margin-top: auto; }

.workspace {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-width: 0;
  background: var(--paper);
}
.page-header {
  padding: 1.35rem clamp(1.25rem, 3vw, 2rem) 0.75rem;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.page-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.page-body {
  padding: 1.25rem clamp(1.25rem, 3vw, 2rem) 2rem;
  width: 100%;
  max-width: 1100px;
}
.page-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem clamp(1.25rem, 3vw, 2rem);
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--ink-faint);
}

/* Dashboard components */
.muted { color: var(--ink-soft); }
.small { font-size: 0.85rem; }
.subhead { font-size: 0.88rem; color: var(--ink-soft); margin: 1rem 0 0.5rem; }

.posture-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius);
  margin-bottom: 1.15rem;
  border: 1px solid var(--line);
  background: var(--surface);
}
.posture-healthy { background: var(--healthy-bg); border-color: #bbf7d0; }
.posture-attention, .posture-monitor { background: var(--attention-bg); border-color: #fed7aa; }
.posture-critical { background: var(--critical-bg); border-color: #fecaca; }
.posture-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--ink-faint); }
.posture-title { font-size: 1.25rem; margin: 0.15rem 0; font-weight: 600; letter-spacing: -0.02em; }
.posture-detail { color: var(--ink-soft); font-size: 0.9rem; }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.15rem;
}
.metric-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.95rem 1rem;
}
.metric-label {
  display: block;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
}
.metric-value {
  display: block;
  font-size: 1.55rem;
  font-weight: 600;
  line-height: 1.1;
  margin-top: 0.3rem;
  letter-spacing: -0.03em;
}
.metric-hint { display: block; font-size: 0.75rem; color: var(--ink-faint); margin-top: 0.2rem; }

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin-bottom: 0.85rem;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
}
.panel-head h2 { font-size: 0.95rem; font-weight: 600; margin: 0; }

.split-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 0.85rem; }
.layer-list { list-style: none; }
.layer-list li {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}
.layer-list li:last-child { border-bottom: none; }
.action-list { display: grid; gap: 0.45rem; }
.action-list a {
  display: block;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: var(--paper);
  text-decoration: none;
  font-size: 0.88rem;
}
.action-list a:hover { background: #fff; text-decoration: none; }

.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 6px; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
.data-table th, .data-table td {
  text-align: left;
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.data-table th {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
  background: #faf8f4;
}
.data-table tr:last-child td { border-bottom: none; }
.mono { font-family: ui-monospace, monospace; font-size: 0.8rem; }
.nowrap { white-space: nowrap; }
.empty-state { color: var(--ink-faint); padding: 0.75rem 0; font-size: 0.9rem; }

.badge {
  display: inline-block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.4rem;
  border-radius: 999px;
  font-weight: 600;
}
.badge-critical { background: #fee2e2; color: var(--critical); }
.badge-high { background: #ffedd5; color: var(--high); }
.badge-medium, .badge-warn, .badge-warning { background: #fef9c3; color: var(--medium); }
.badge-low, .badge-unknown { background: #f5f5f4; color: var(--low); }
.badge-info, .badge-informational { background: #dbeafe; color: var(--info); }

.chip {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink-soft);
}
.chip-row { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.65rem; }

.tab-bar { display: flex; gap: 0.35rem; margin-bottom: 0.85rem; flex-wrap: wrap; }
.tab {
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.82rem;
  background: var(--surface);
  text-decoration: none;
}
.tab:hover { color: var(--ink); text-decoration: none; }

.btn-primary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.9rem;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
}
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--accent); color: #fff; text-decoration: none; }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { text-decoration: none; }

.setup-steps { margin: 0.5rem 0 1rem 1.15rem; color: var(--ink-soft); font-size: 0.9rem; }
.code-block {
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.75rem;
  overflow: auto;
  white-space: pre-wrap;
}

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { border-bottom: 1px solid rgba(255,255,255,0.1); }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split-grid { grid-template-columns: 1fr; }
  .posture-banner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 520px) {
  .metric-grid { grid-template-columns: 1fr; }
}