:root {
  --bg: #0a0c10;
  --panel: #0f1318;
  --panel-alt: #12171d;
  --panel-strong: #171d24;
  --ink: #e7edf3;
  --muted: #8a98a8;
  --line: #27303b;
  --line-strong: #384454;
  --accent: #d2e1ff;
  --accent-soft: #1a2230;
  --success: #8dd6a3;
  --danger: #f28b82;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    "Liberation Mono",
    monospace;
}

body {
  line-height: 1.5;
}

.grain {
  display: none;
}

.shell {
  min-height: 100vh;
  padding: 18px;
}

.masthead {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.brand-lockup h1,
.section-head h2,
.hero h2,
.login-card h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.lead,
.support-copy,
.status-line,
.topic-slug,
.topic-meta,
.hero p,
.field span {
  color: var(--muted);
}

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

.workspace.minimal {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 16px;
}

.main-column,
.topics-card,
.panel-grid.single-row {
  display: grid;
  gap: 16px;
}

.panel-grid.single-row {
  grid-template-columns: 340px minmax(0, 1fr);
}

.card,
.hero,
.login-card,
.toast {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: none;
}

.card,
.hero,
.login-card {
  padding: 16px;
}

.compact-hero {
  background: var(--panel-alt);
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-badges,
.topic-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 9px;
  color: var(--muted);
  background: var(--accent-soft);
  font-size: 0.82rem;
}

.section-head {
  margin-bottom: 14px;
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 12px;
}

.field.compact {
  margin-bottom: 0;
}

input,
select,
textarea,
.upload-chip,
.ghost-button,
.primary-button,
.topic-card {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  background: var(--panel-strong);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
}

textarea {
  min-height: 180px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 1px solid var(--line-strong);
  border-color: var(--line-strong);
}

.upload-chip,
.ghost-button,
.primary-button,
.topic-card {
  background: var(--panel-strong);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.upload-chip,
.ghost-button,
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 12px;
  cursor: pointer;
}

.upload-chip input {
  display: none;
}

.primary-button {
  background: var(--ink);
  color: #0a0c10;
  border-color: var(--ink);
}

.ghost-button:hover,
.primary-button:hover,
.upload-chip:hover,
.topic-card:hover {
  border-color: var(--line-strong);
}

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

.topic-card {
  width: 100%;
  text-align: left;
  padding: 12px;
  cursor: pointer;
}

.topic-card.active {
  border-color: var(--accent);
  background: #141b24;
}

.topic-card strong {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

.inline-form {
  margin-top: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.prose {
  overflow: auto;
  white-space: normal;
}

.answer-view {
  min-height: 320px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-strong);
}

.empty-state {
  color: var(--muted);
}

.prose h1,
.prose h2,
.prose h3 {
  font-size: 0.95rem;
  margin-top: 1.2rem;
  margin-bottom: 0.6rem;
}

.prose p,
.prose li {
  color: var(--ink);
}

.prose pre {
  overflow: auto;
  padding: 12px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: #0b1016;
}

.prose code {
  font-family: inherit;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
}

.prose th,
.prose td {
  border-bottom: 1px solid var(--line);
  padding: 8px 6px;
  vertical-align: top;
  text-align: left;
}

.overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(6, 8, 11, 0.84);
}

.overlay.hidden,
.toast.hidden {
  display: none;
}

.login-card {
  width: min(420px, calc(100vw - 24px));
}

.error-text {
  min-height: 1.3em;
  color: var(--danger);
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  max-width: 420px;
  padding: 12px 14px;
}

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

@media (max-width: 1100px) {
  .workspace.minimal,
  .panel-grid.single-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .shell {
    padding: 12px;
  }

  .masthead {
    flex-direction: column;
  }

  .toolbar {
    width: 100%;
  }
}