:root {
  --bg: #eef2f7;
  --panel: rgba(255, 255, 255, 0.86);
  --panel-strong: #ffffff;
  --ink: #132033;
  --muted: #607086;
  --line: rgba(18, 32, 51, 0.09);
  --brand: #0f4c81;
  --brand-strong: #0b365d;
  --brand-soft: rgba(15, 76, 129, 0.12);
  --accent: #0f8f88;
  --warn: #b86f00;
  --shadow: 0 24px 64px rgba(17, 32, 52, 0.10);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

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

body {
  margin: 0;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(15, 76, 129, 0.14), transparent 30%),
    radial-gradient(circle at top right, rgba(15, 143, 136, 0.12), transparent 24%),
    linear-gradient(180deg, #f7f9fc 0%, #eef2f7 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

.app-shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(250, 252, 255, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 0.95rem;
}

.brand strong {
  display: block;
  letter-spacing: -0.03em;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 0.74rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(160deg, var(--brand), var(--brand-strong));
  color: #fff;
  font-weight: 700;
  box-shadow: 0 10px 28px rgba(15, 76, 129, 0.25);
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-right: auto;
}

.topnav a,
.meta-link {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  transition: background-color 0.18s ease, color 0.18s ease;
}

.topnav a:hover,
.meta-link:hover {
  background: rgba(15, 76, 129, 0.08);
  color: var(--brand-strong);
}

.topbar-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.meta-pill {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(15, 76, 129, 0.08);
  color: var(--brand-strong);
  font-size: 0.9rem;
}

.workspace {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 24px;
  width: min(1540px, calc(100% - 32px));
  margin: 24px auto 48px;
}

.sidebar,
.content {
  min-width: 0;
}

.sidebar {
  position: sticky;
  top: 92px;
  align-self: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.sidebar-section + .sidebar-section {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.sidebar-label {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.sidebar a {
  display: block;
  padding: 11px 12px;
  border-radius: 14px;
  font-weight: 500;
}

.sidebar a:hover {
  background: rgba(15, 76, 129, 0.08);
  color: var(--brand-strong);
}

.sidebar-note {
  padding: 10px 12px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.content {
  padding: 2px 0 0;
}

.surface {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.surface + .surface {
  margin-top: 22px;
}

.hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.hero h1,
.hero h2,
.section-title {
  margin: 0;
  letter-spacing: -0.04em;
}

.hero p,
.section-copy,
.muted {
  color: var(--muted);
}

.section-title {
  margin-bottom: 14px;
  font-size: 1.35rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.stat-card,
.doc-card,
.mini-card,
.table-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel-strong);
}

.stat-card {
  padding: 18px;
}

.stat-card .value {
  display: block;
  margin-top: 10px;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.05em;
}

.stat-card .label {
  color: var(--muted);
  font-size: 0.9rem;
}

.grid-two {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
  gap: 18px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.error-surface {
  overflow: hidden;
}

.error-hero {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.error-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 84px;
  height: 84px;
  border-radius: 28px;
  background: linear-gradient(160deg, var(--brand), var(--brand-strong));
  color: #fff;
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.9rem;
  font-weight: 700;
  box-shadow: 0 16px 36px rgba(15, 76, 129, 0.2);
}

.error-hero h1 {
  margin: 0;
  letter-spacing: -0.05em;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.error-hint {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.token-panel {
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(184, 111, 0, 0.22);
  background: linear-gradient(160deg, rgba(184, 111, 0, 0.12), rgba(255, 255, 255, 0.84));
}

.table-card {
  overflow-x: auto;
}

.table-card table {
  margin: 0;
}

.table-card thead th {
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.table-card tbody td {
  vertical-align: middle;
}

.badge-soft {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 11px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-strong);
  font-size: 0.85rem;
  font-weight: 600;
}

.badge-muted {
  background: rgba(96, 112, 134, 0.12);
  color: var(--muted);
}

.panel-form {
  display: grid;
  gap: 14px;
}

.panel-form .form-control,
.panel-form .form-select {
  border-radius: 14px;
  border-color: rgba(18, 32, 51, 0.12);
  padding-top: 12px;
  padding-bottom: 12px;
}

.panel-form label {
  font-size: 0.88rem;
  font-weight: 600;
}

.btn-primary {
  --bs-btn-bg: var(--brand);
  --bs-btn-border-color: var(--brand);
  --bs-btn-hover-bg: var(--brand-strong);
  --bs-btn-hover-border-color: var(--brand-strong);
  --bs-btn-active-bg: var(--brand-strong);
  --bs-btn-active-border-color: var(--brand-strong);
  border-radius: 999px;
  padding: 11px 18px;
  font-weight: 600;
}

.btn-outline-secondary {
  border-radius: 999px;
  padding: 11px 18px;
  font-weight: 600;
}

.doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
}

.doc-hero {
  padding: 28px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background:
    linear-gradient(160deg, rgba(15, 76, 129, 0.12), rgba(255, 255, 255, 0.82)),
    var(--panel-strong);
  box-shadow: var(--shadow);
}

.doc-card {
  padding: 20px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

a.doc-card:hover {
  transform: translateY(-2px);
  border-color: rgba(15, 76, 129, 0.22);
  box-shadow: 0 16px 40px rgba(17, 32, 52, 0.12);
}

.code-block {
  margin: 0;
  padding: 18px;
  border-radius: 18px;
  background: #102033;
  color: #f4f8fd;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.88rem;
  overflow: auto;
}

@media (max-width: 1200px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .stat-grid,
  .grid-two,
  .doc-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .topnav {
    margin-right: 0;
  }

  .workspace {
    width: min(100% - 20px, 1540px);
    gap: 18px;
  }

  .surface,
  .doc-hero {
    padding: 20px;
  }
}