:root {
  --bg: #f3f5f9;
  --bg-soft: #f8fafc;
  --ink: #12243e;
  --ink-muted: #41526b;
  --line: #d6deea;
  --primary: #0f5fa7;
  --primary-soft: #e8f1fb;
  --accent: #ab6a1f;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 2px 10px rgba(12, 33, 61, 0.08);
  --shell: min(1160px, 94vw);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #e6eefb 0%, transparent 65%),
    radial-gradient(900px 420px at 100% -20%, #f9efe2 0%, transparent 60%),
    var(--bg);
  font: 400 15px/1.65 "IBM Plex Sans", sans-serif;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(243, 245, 249, 0.92);
  border-bottom: 1px solid var(--line);
}

.top-bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0 8px;
}

.brand {
  font: 700 24px/1 "Space Grotesk", sans-serif;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.brand-sub {
  margin: 0;
  font-size: 13px;
  color: var(--ink-muted);
}

.main-nav {
  border-top: 1px solid var(--line);
}

.main-nav ul {
  margin: 0;
  padding: 8px 0;
  list-style: none;
  display: flex;
  gap: 6px;
  overflow-x: auto;
}

.main-nav a {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--ink-muted);
  font: 500 13px/1.2 "IBM Plex Sans", sans-serif;
  white-space: nowrap;
}

.main-nav a:hover {
  background: var(--white);
  color: var(--ink);
}

.main-nav a.active {
  color: var(--primary);
  background: var(--primary-soft);
}

main.shell {
  padding: 22px 0 48px;
  display: grid;
  gap: 16px;
}

.page-hero {
  border: 1px solid var(--line);
  background: linear-gradient(160deg, #ffffff 0%, #f5f8fd 100%);
  border-radius: var(--radius);
  padding: 24px 24px 22px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 6px;
  font: 500 11px/1 "JetBrains Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.page-hero h1 {
  margin: 0;
  font: 700 clamp(24px, 4vw, 38px)/1.15 "Source Serif 4", serif;
  color: var(--ink);
}

.page-hero p {
  margin: 12px 0 0;
  max-width: 80ch;
  color: var(--ink-muted);
}

.panel,
.card,
.kpi-card,
.mini-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.panel {
  padding: 20px;
}

.panel h2 {
  margin: 0 0 10px;
  font: 700 24px/1.2 "Source Serif 4", serif;
}

.panel p {
  margin: 0;
  color: var(--ink-muted);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.kpi-card {
  padding: 14px;
}

.kpi-label {
  margin: 0;
  color: var(--ink-muted);
  font: 500 11px/1 "JetBrains Mono", monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.kpi-value {
  margin: 8px 0 3px;
  font: 700 24px/1.2 "Space Grotesk", sans-serif;
  color: var(--primary);
}

.kpi-note {
  margin: 0;
  color: var(--ink-muted);
  font-size: 13px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.card {
  padding: 16px;
}

.card h3 {
  margin: 0 0 8px;
  font: 600 18px/1.3 "Space Grotesk", sans-serif;
}

.card p {
  margin: 0;
  color: var(--ink-muted);
}

.inline-link {
  display: inline-block;
  margin-top: 12px;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.inline-link:hover {
  text-decoration: underline;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.list {
  margin: 0;
  padding-left: 20px;
  color: var(--ink-muted);
}

.list li {
  margin: 6px 0;
}

.stack {
  display: grid;
  gap: 10px;
}

.mini-card {
  padding: 12px 14px;
  background: var(--bg-soft);
}

.mini-card h3 {
  margin: 0 0 6px;
  font: 600 16px/1.2 "Space Grotesk", sans-serif;
}

.mini-card p {
  margin: 2px 0;
  color: var(--ink-muted);
}

.flow-list {
  margin: 0;
  padding: 0 0 0 18px;
  display: grid;
  gap: 8px;
}

.flow-list li {
  padding: 8px 10px;
  border: 1px dashed #c6d3e7;
  border-radius: 10px;
  background: #f9fbfe;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

th,
td {
  border-bottom: 1px solid #e8edf5;
  text-align: left;
  padding: 10px 12px;
  vertical-align: top;
}

th {
  font: 600 12px/1.2 "JetBrains Mono", monospace;
  text-transform: uppercase;
  color: var(--ink-muted);
  background: #f7f9fc;
}

td code {
  font: 500 12px/1.2 "JetBrains Mono", monospace;
  color: var(--primary);
}

.checklist li {
  list-style: "✓ ";
  padding-left: 2px;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 16px 0 22px;
  color: var(--ink-muted);
  background: rgba(255, 255, 255, 0.65);
}

.site-footer p {
  margin: 0;
  font-size: 13px;
}

.tt-term {
  border-bottom: 1.5px dashed var(--primary);
  color: #0a4d8a;
  cursor: help;
  font-weight: 500;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.tt-term:hover {
  color: var(--primary);
  border-color: #1b75c5;
}

.term-tooltip {
  position: fixed;
  z-index: 9999;
  width: min(360px, 90vw);
  pointer-events: none;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.14s ease, transform 0.14s ease;
  border: 1px solid #ced9ea;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(15, 42, 73, 0.16);
  padding: 12px 14px;
}

.term-tooltip.show {
  opacity: 1;
  transform: translateY(0);
}

.term-tooltip h4 {
  margin: 0 0 5px;
  font: 600 14px/1.2 "Space Grotesk", sans-serif;
  color: var(--ink);
}

.term-tooltip p {
  margin: 0;
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.5;
}

.studio-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 12px;
}

.studio-create .studio-form {
  display: grid;
  gap: 12px;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.field {
  display: grid;
  gap: 6px;
}

.field.compact {
  max-width: 140px;
}

.field span {
  font: 600 12px/1.2 "JetBrains Mono", monospace;
  color: var(--ink-muted);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 10px;
  font: 400 14px/1.4 "IBM Plex Sans", sans-serif;
  color: var(--ink);
  background: #fff;
}

.field textarea {
  resize: vertical;
  min-height: 120px;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: #8bb2dd;
  box-shadow: 0 0 0 3px #e9f2fc;
}

.btn-primary,
.btn-secondary {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 9px 14px;
  font: 600 14px/1.2 "IBM Plex Sans", sans-serif;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: #0d518f;
}

.btn-secondary {
  background: #f4f7fb;
  border-color: #cfd9e7;
  color: var(--ink);
}

.btn-secondary:hover {
  background: #e9eff7;
}

.report-list {
  display: grid;
  gap: 10px;
}

.report-card {
  border: 1px solid #e4eaf4;
  border-radius: 12px;
  padding: 12px;
  background: #fafcfe;
}

.report-card h3 {
  margin: 0 0 6px;
  font: 600 18px/1.3 "Space Grotesk", sans-serif;
}

.meta-line {
  margin: 4px 0;
  color: var(--ink-muted);
  font-size: 13px;
}

.report-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.save-banner {
  border-color: #b8d7c0;
  background: #f1fbf4;
}

.save-banner p {
  color: #215830;
}

.form-error {
  margin: 0;
  border: 1px solid #e8bac1;
  border-radius: 10px;
  padding: 9px 10px;
  color: #7f2230;
  background: #fff3f5;
  font-size: 13px;
}

.editor-header-panel {
  display: grid;
  gap: 10px;
}

.report-editor-grid {
  display: grid;
  grid-template-columns: 1.08fr 1fr;
  gap: 12px;
  align-items: start;
}

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

.section-stack {
  display: grid;
  gap: 10px;
}

.section-edit-card {
  border: 1px solid #dde6f2;
  border-radius: 12px;
  background: #fafcfe;
  padding: 12px;
  display: grid;
  gap: 8px;
}

.section-meta {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.guidance {
  margin: 0;
  font-size: 13px;
  color: #5f7089;
  border-left: 3px solid #bfd2ec;
  padding-left: 8px;
}

.preview-panel {
  position: sticky;
  top: 120px;
  max-height: calc(100vh - 140px);
  overflow: auto;
}

.report-doc {
  border: 1px solid #e2e9f3;
  border-radius: 12px;
  background: #fff;
  padding: 16px;
  display: grid;
  gap: 14px;
}

.report-doc-full {
  max-width: 920px;
  margin: 0 auto;
}

.report-cover {
  border: 1px solid #d9e4f2;
  border-radius: 12px;
  padding: 14px;
  background: linear-gradient(160deg, #fdfefe 0%, #f2f7fc 100%);
}

.report-label {
  margin: 0;
  font: 600 11px/1 "JetBrains Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.report-cover h3 {
  margin: 10px 0;
  font: 700 28px/1.2 "Source Serif 4", serif;
}

.report-cover ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 4px;
  color: var(--ink-muted);
}

.report-section {
  border-top: 1px solid #edf1f8;
  padding-top: 12px;
}

.report-section h4 {
  margin: 0 0 8px;
  font: 700 20px/1.2 "Source Serif 4", serif;
  color: #10263f;
}

.report-section p {
  margin: 0;
  color: #2f435c;
}

.toc-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 5px;
  color: var(--ink-muted);
}

.empty-note {
  color: #75849a;
  font-style: italic;
}

.fade-up {
  animation: fadeUp 0.45s ease both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1024px) {
  .card-grid {
    grid-template-columns: 1fr 1fr;
  }
  .kpi-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .top-bar {
    flex-direction: column;
    align-items: flex-start;
  }
  .studio-layout,
  .report-editor-grid,
  .field-grid {
    grid-template-columns: 1fr;
  }
  .preview-panel {
    position: static;
    max-height: none;
  }
  .two-col {
    grid-template-columns: 1fr;
  }
  .card-grid,
  .kpi-grid {
    grid-template-columns: 1fr;
  }
  .page-hero {
    padding: 18px;
  }
}

@media print {
  .site-header,
  .site-footer,
  .page-hero,
  .editor-header-panel,
  .save-banner,
  .main-nav,
  .term-tooltip,
  .tt-term {
    display: none !important;
  }
  body {
    background: #fff;
  }
  main.shell {
    width: 100%;
    padding: 0;
  }
  .panel {
    border: 0;
    box-shadow: none;
    padding: 0;
  }
  .report-doc-full {
    border: 0;
    padding: 0;
  }
}