:root {
  --bg: #0f1419;
  --bg-elevated: #1a222c;
  --bg-soft: #232d3a;
  --border: #2e3a4a;
  --text: #e8eef4;
  --muted: #8b9aab;
  --accent: #14b8a6;
  --accent-dim: rgba(20, 184, 166, 0.15);
  --accent-hover: #2dd4bf;
  --danger: #f87171;
  --danger-bg: rgba(248, 113, 113, 0.12);
  --radius: 14px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "SF Mono", "Menlo", "Consolas", ui-monospace, monospace;
}

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

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(20, 184, 166, 0.18), transparent),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.brand {
  display: flex;
  gap: 0.9rem;
  align-items: center;
}

.logo {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--accent), #0f766e);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  box-shadow: 0 4px 16px rgba(20, 184, 166, 0.35);
}

h1 {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0.15rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent-hover);
  font-size: 0.8rem;
  font-weight: 500;
}

.privacy-badge .dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.25);
}

.generator {
  margin-bottom: 1.25rem;
  padding: 1.1rem 1.2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.generator-head h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 650;
}

.generator-head p {
  margin: 0.25rem 0 0;
  font-size: 0.88rem;
}

.generator-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.85rem 1rem;
  margin-top: 1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: min(100%, 280px);
  flex: 1;
  font-size: 0.8rem;
  color: var(--muted);
}

.field select {
  appearance: none;
  background: var(--bg-soft)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238b9aab' d='M1 1l5 5 5-5'/%3E%3C/svg%3E")
    no-repeat right 0.75rem center;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  padding: 0.55rem 2rem 0.55rem 0.75rem;
  cursor: pointer;
}

.field select:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 50%, transparent);
  outline-offset: 1px;
  border-color: var(--accent);
}

.generator-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.format-hint {
  margin: 0.75rem 0 0;
  font-size: 0.82rem;
  min-height: 1.2em;
}

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
  cursor: pointer;
  outline: none;
}

.dropzone:hover,
.dropzone:focus-visible {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--bg-elevated) 80%, var(--accent) 8%);
}

.dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-dim);
  transform: scale(1.01);
}

.dropzone-inner {
  padding: 2.5rem 1.5rem;
  text-align: center;
}

.drop-icon {
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.drop-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
}

.drop-sub {
  margin: 0.35rem 0 1.25rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0.55rem 1rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #042f2e;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--muted);
  background: var(--bg-soft);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 1.25rem 0 1rem;
  padding: 0.9rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.file-meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.file-meta strong {
  word-break: break-all;
}

.muted {
  color: var(--muted);
  font-size: 0.85rem;
}

.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}

.toggle input {
  accent-color: var(--accent);
}

.summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.summary-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem 1rem;
}

.summary-card .label {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
}

.summary-card .value {
  font-weight: 600;
  font-size: 0.98rem;
  word-break: break-word;
}

.results {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  text-align: left;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  position: sticky;
  top: 0;
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

tbody tr:last-child td {
  border-bottom: none;
}

.col-line {
  width: 4rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.col-id {
  width: 5rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent-hover);
}

.col-label {
  width: 28%;
  color: var(--muted);
}

.col-value {
  font-family: var(--mono);
  font-size: 0.88rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.raw {
  margin-top: 1.25rem;
}

.raw h2 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: var(--muted);
  font-weight: 600;
}

.raw pre {
  margin: 0;
  padding: 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: auto;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 320px;
}

.error {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  background: var(--danger-bg);
  border: 1px solid color-mix(in srgb, var(--danger) 40%, transparent);
  border-radius: 12px;
  color: var(--danger);
}

.help {
  margin-top: 2rem;
  padding: 1.1rem 1.2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.help h2 {
  margin: 0 0 0.6rem;
  font-size: 0.95rem;
}

.help ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.help li + li {
  margin-top: 0.35rem;
}

.help code {
  font-family: var(--mono);
  font-size: 0.82rem;
  background: var(--bg-soft);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  color: var(--text);
}

.footer {
  margin-top: 2.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.15rem;
  margin: 0 0 1.5rem;
  padding: 0.45rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.4rem 0.7rem;
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
}

.site-nav a:hover {
  color: var(--text);
  background: var(--bg-soft);
}

.site-nav a[aria-current="page"] {
  color: var(--accent-hover);
  background: var(--accent-dim);
}

.site-footer {
  margin-top: 2.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

.site-footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.25rem;
  text-align: left;
  margin-bottom: 1.25rem;
}

.site-footer h3 {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  font-weight: 600;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li + li {
  margin-top: 0.35rem;
}

.site-footer a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.88rem;
}

.site-footer a:hover {
  color: var(--accent-hover);
}

.site-footer-note {
  text-align: center;
  font-size: 0.8rem;
  margin: 0;
}

/* Content / knowledge pages */
.page-content {
  max-width: 760px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  margin: 0 0 1.25rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--accent-hover);
}

.breadcrumb span[aria-hidden="true"] {
  opacity: 0.5;
}

.hero-article {
  margin-bottom: 1.75rem;
}

.hero-article h1 {
  font-size: clamp(1.55rem, 3vw, 2rem);
  line-height: 1.25;
  margin-bottom: 0.65rem;
}

.lead {
  margin: 0;
  font-size: 1.08rem;
  color: var(--muted);
  line-height: 1.6;
}

.meta-line {
  margin: 0.75rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.prose {
  font-size: 1.02rem;
  line-height: 1.7;
}

.prose h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.28rem;
  letter-spacing: -0.02em;
  scroll-margin-top: 1rem;
}

.prose h3 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.08rem;
}

.prose p {
  margin: 0 0 1rem;
  color: color-mix(in srgb, var(--text) 92%, var(--muted));
}

.prose ul,
.prose ol {
  margin: 0 0 1.1rem;
  padding-left: 1.25rem;
  color: color-mix(in srgb, var(--text) 92%, var(--muted));
}

.prose li + li {
  margin-top: 0.4rem;
}

.prose a {
  color: var(--accent-hover);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.prose a:hover {
  color: var(--text);
}

.prose code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--bg-soft);
  padding: 0.12rem 0.35rem;
  border-radius: 4px;
}

.prose pre {
  margin: 0 0 1.15rem;
  padding: 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: auto;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.55;
}

.prose strong {
  color: var(--text);
  font-weight: 650;
}

.callout {
  margin: 1.25rem 0;
  padding: 1rem 1.1rem;
  background: var(--accent-dim);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: 12px;
}

.callout p {
  margin: 0;
  color: var(--text);
}

.callout p + p {
  margin-top: 0.6rem;
}

.callout-title {
  display: block;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 0.35rem;
  color: var(--accent-hover);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
  margin: 1.25rem 0 1.75rem;
}

.card-link {
  display: block;
  padding: 1.1rem 1.15rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, transform 0.15s;
}

.card-link:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.card-link h2,
.card-link h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  color: var(--text);
}

.card-link p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
}

.card-link .card-kicker {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-hover);
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.toc {
  margin: 0 0 1.75rem;
  padding: 1rem 1.15rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.toc-title {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  font-weight: 600;
}

.toc ol {
  margin: 0;
  padding-left: 1.15rem;
  font-size: 0.92rem;
}

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

.toc a:hover {
  color: var(--accent-hover);
}

.faq details {
  margin: 0 0 0.65rem;
  padding: 0.85rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style-position: outside;
}

.faq details p {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.cta-box {
  margin: 2rem 0 0;
  padding: 1.25rem 1.3rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cta-box p {
  margin: 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.cta-box strong {
  display: block;
  color: var(--text);
  margin-bottom: 0.25rem;
  font-size: 1.05rem;
}

.prose table {
  width: 100%;
  margin: 0 0 1.15rem;
  font-size: 0.9rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  border-collapse: collapse;
}

.prose th,
.prose td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.prose th {
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.related {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.related h2 {
  margin: 0 0 0.85rem;
  font-size: 1.05rem;
}

.header-top {
  margin-bottom: 0.75rem;
}

.hidden {
  display: none !important;
}

@media (max-width: 600px) {
  .page {
    padding: 1.25rem 1rem 2rem;
  }

  th:nth-child(3),
  td:nth-child(3) {
    display: none;
  }

  .site-nav {
    gap: 0.2rem;
  }

  .site-nav a {
    font-size: 0.8rem;
    padding: 0.35rem 0.55rem;
  }
}