/**
 * Shared styles for Research Hub documentation pages
 * (index, proposal, guidelines, questions, schedule, schema).
 * Mockups continue to use researchhub.css.
 */

:root {
  --bg: #f6f7f9;
  --card-bg: #ffffff;
  --accent: #1a73e8;
  --accent-soft: #e4efff;
  --text-main: #222222;
  --text-muted: #555555;
  --border: #d8dde6;
  --ok: #1e7a3a;
  --ok-soft: #e8f6ec;
  --warn: #8a6d00;
  --warn-soft: #fff8e6;
  --planned: #5a4d20;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text-main);
  padding: 24px;
  line-height: 1.5;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
}

header {
  margin-bottom: 24px;
}

header h1 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

header p {
  color: var(--text-muted);
  font-size: 0.98rem;
  max-width: 820px;
}

.badge-row {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.85rem;
}

.badge {
  padding: 4px 10px;
  border-radius: 999px;
  background-color: var(--accent-soft);
  color: var(--accent);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.site-nav a {
  font-size: 0.85rem;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--accent);
  text-decoration: none;
}

.site-nav a:hover {
  background: var(--accent-soft);
}

.site-nav a.current {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.site-nav a.nav-deprecated {
  color: #6b7280;
  background: #eef0f3;
  border-color: #c9ced6;
}

.site-nav a.nav-deprecated:hover {
  color: #4b5563;
  background: #e4e7eb;
}

.site-nav a.nav-deprecated.current {
  background: #6b7280;
  color: #fff;
  border-color: #6b7280;
}

.section {
  background-color: var(--card-bg);
  border-radius: 8px;
  border: 1px solid var(--border);
  padding: 18px 18px 20px;
  margin-bottom: 16px;
}

.section h2 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.section h3 {
  font-size: 0.98rem;
  margin-top: 12px;
  margin-bottom: 6px;
}

.section p,
.section li {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.section p {
  margin-bottom: 6px;
}

.section ul,
.section ol {
  margin: 8px 0 8px 18px;
}

.section li {
  margin-bottom: 4px;
}

.section a {
  color: var(--accent);
  text-decoration: none;
}

.section a:hover {
  text-decoration: underline;
}

.callout {
  background: var(--warn-soft);
  border: 1px solid #e8d9a8;
  border-left: 4px solid #d4a017;
  border-radius: 8px;
  padding: 12px 14px;
  margin: 12px 0;
  font-size: 0.9rem;
  color: #5a4d20;
}

.callout strong {
  color: #6b5612;
}

.status-box {
  background-color: #eef6ff;
  border: 1px solid #b8d4f5;
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 14px 16px;
  margin: 12px 0;
}

.status-box h3 {
  color: var(--accent);
  margin-top: 0;
  margin-bottom: 8px;
}

.status-box p,
.status-box li {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.status-box ul {
  margin-left: 18px;
  margin-top: 8px;
}

.disclaimer-box {
  background-color: var(--warn-soft);
  border: 1px solid #e8d9a8;
  border-left: 4px solid #d4a017;
  border-radius: 8px;
  padding: 16px 18px;
  margin: 16px 0;
}

.disclaimer-box h3,
.disclaimer-box h4 {
  color: #6b5612;
  margin-top: 0;
}

.disclaimer-box p,
.disclaimer-box li {
  font-size: 0.9rem;
  color: #5a4d20;
  line-height: 1.5;
}

.disclaimer-box ul {
  margin-left: 18px;
  margin-top: 8px;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin: 12px 0;
  font-size: 0.9rem;
}

th,
td {
  padding: 9px 11px;
  text-align: left;
  border: 1px solid var(--border);
  vertical-align: top;
}

thead tr,
th {
  background-color: var(--accent-soft);
}

tbody tr:nth-child(even) {
  background-color: #f8f9fa;
}

td {
  color: var(--text-muted);
}

.status {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
}

.status.done {
  background: var(--ok-soft);
  color: var(--ok);
}

.status.partial,
.status.current {
  background: var(--warn-soft);
  color: var(--warn);
}

.status.planned {
  background: #f0f2f7;
  color: #555;
}

.toc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 8px 16px;
  margin-top: 10px;
}

.toc-grid a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
}

.toc-grid a:hover {
  text-decoration: underline;
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 12px;
}

.doc-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  background: #fafbfd;
}

.doc-card h4 {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.doc-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.doc-card a {
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.doc-card a:hover {
  text-decoration: underline;
}

.timeline-list {
  list-style: none;
  margin: 12px 0 4px !important;
  padding: 0;
}

.timeline-list li {
  display: flex;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
  margin: 0;
}

.timeline-list li:last-child {
  border-bottom: none;
}

.timeline-when {
  flex: 0 0 150px;
  font-weight: 600;
  color: var(--text-main);
  font-size: 0.85rem;
}

.timeline-what {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 16px;
  margin-bottom: 8px;
}

.stage-card {
  background-color: var(--card-bg);
  border-radius: 8px;
  padding: 16px 16px 18px;
  border: 1px solid var(--border);
}

.stage-label {
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.stage-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.stage-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.stage-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
  margin-bottom: 4px;
}

.pill {
  font-size: 0.78rem;
  padding: 3px 8px;
  border-radius: 999px;
  background-color: #f0f2f7;
  color: #555;
  border: 1px solid #e1e4eb;
}

.pill.core {
  background-color: var(--accent-soft);
  color: var(--accent);
  border-color: #b8d4f5;
}

.pill.done {
  background-color: var(--ok-soft);
  color: var(--ok);
  border-color: #b8dfc4;
}

.pill.partial {
  background-color: var(--warn-soft);
  color: var(--warn);
  border-color: #e8d9a8;
}

.pill.stretch {
  background-color: #faf6ee;
  color: #7a6520;
  border: 1px dashed #e0d4b0;
}

.crud-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 16px 0;
}

.crud-card {
  padding: 16px;
  border-radius: 8px;
}

.crud-card.researcher {
  background-color: #f0f2f7;
}

.crud-card.partner {
  background-color: #e4efff;
}

.crud-card.admin {
  background-color: #e8f6ec;
}

.crud-card.ops {
  background-color: #fff8e6;
}

.crud-card h4 {
  margin-bottom: 12px;
}

.crud-card ul {
  font-size: 0.9rem;
  margin-left: 18px;
  color: var(--text-muted);
}

.footnote {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 10px;
}

.gantt-container {
  background-color: var(--card-bg);
  border-radius: 8px;
  border: 1px solid var(--border);
  padding: 18px 18px 20px;
  margin-bottom: 16px;
  overflow-x: auto;
}

.gantt-container h2 {
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.gantt-chart {
  min-width: 900px;
  margin-top: 20px;
}

.gantt-header,
.gantt-row {
  display: grid;
  grid-template-columns: 180px repeat(4, 1fr);
  gap: 4px;
  margin-bottom: 8px;
  align-items: center;
}

.gantt-header {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.gantt-header-month {
  text-align: center;
  padding: 4px;
  border-bottom: 2px solid var(--border);
}

.gantt-row-label {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px;
  color: var(--text-main);
}

.gantt-bar-container {
  position: relative;
  height: 32px;
  background-color: #f0f2f7;
  border-radius: 4px;
  overflow: hidden;
}

.gantt-bar {
  height: 100%;
  background: linear-gradient(135deg, var(--accent) 0%, #4285f4 100%);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.7rem;
  font-weight: 500;
}

.gantt-bar.overlap {
  background: linear-gradient(135deg, #34a853 0%, #66bb6a 100%);
}

.gantt-bar.ongoing {
  background: linear-gradient(135deg, #fbbc04 0%, #ffa726 100%);
}

.gantt-legend {
  display: flex;
  gap: 16px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  flex-wrap: wrap;
}

.gantt-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.gantt-legend-color {
  width: 16px;
  height: 16px;
  border-radius: 3px;
}

.gantt-legend-color.primary {
  background: linear-gradient(135deg, var(--accent) 0%, #4285f4 100%);
}

.gantt-legend-color.overlap {
  background: linear-gradient(135deg, #34a853 0%, #66bb6a 100%);
}

.gantt-legend-color.ongoing {
  background: linear-gradient(135deg, #fbbc04 0%, #ffa726 100%);
}

table.schema-summary {
  border-collapse: collapse;
  width: 100%;
  margin: 12px 0;
  font-size: 0.9rem;
}

table.schema-summary th,
table.schema-summary td {
  padding: 10px 12px;
  text-align: left;
  border: 1px solid var(--border);
  vertical-align: top;
}

table.schema-summary thead tr {
  background-color: var(--accent-soft);
}

table.schema-summary tbody tr:nth-child(even) {
  background-color: #f8f9fa;
}

.section.intro-note {
  background-color: #f8f9fa;
  border-left: 4px solid var(--accent);
}

.section.toc-highlight {
  background-color: var(--accent-soft);
  border: 1px solid var(--accent);
}

.section.toc-highlight h2 {
  color: var(--accent);
  margin-top: 0;
}

footer {
  margin-top: 24px;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
}

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

@media (max-width: 600px) {
  body {
    padding: 14px;
  }

  table {
    font-size: 0.8rem;
  }

  th,
  td {
    padding: 6px 8px;
  }

  .timeline-when {
    flex-basis: 110px;
  }

  .gantt-chart {
    min-width: 700px;
  }

  table.schema-summary {
    font-size: 0.8rem;
  }

  table.schema-summary th,
  table.schema-summary td {
    padding: 6px 8px;
  }
}