:root, [data-theme="light"] {
  --text-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.2vw, 1rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1.02rem + 0.45vw, 1.35rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1vw, 2rem);
  --text-2xl: clamp(2rem, 1.4rem + 2vw, 3rem);
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem; --space-16: 4rem;
  --color-bg: #f6f4ef;
  --color-surface: #fcfbf8;
  --color-surface-2: #f1eee8;
  --color-border: #d9d4cb;
  --color-text: #22201a;
  --color-text-muted: #6c685f;
  --color-text-inverse: #fbfaf7;
  --color-primary: #1d4d4f;
  --color-primary-hover: #13393a;
  --color-primary-soft: #dde8e5;
  --color-danger: #8d3140;
  --radius-sm: 0.375rem; --radius-md: 0.5rem; --radius-lg: 0.75rem; --radius-xl: 1rem; --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(20, 18, 14, 0.04);
  --content-default: 1040px;
  --font-display: 'Boska', Georgia, serif;
  --font-body: 'General Sans', Inter, sans-serif;
  --transition-interactive: 160ms ease;
}
[data-theme="dark"] {
  --color-bg: #161512;
  --color-surface: #1c1b18;
  --color-surface-2: #23211d;
  --color-border: #35322c;
  --color-text: #d7d3cb;
  --color-text-muted: #a19c92;
  --color-text-inverse: #161512;
  --color-primary: #79a8a2;
  --color-primary-hover: #8dbab3;
  --color-primary-soft: #26312f;
  --color-danger: #d67583;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.24);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-size-adjust: none; }
body {
  min-height: 100dvh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
}
a, button, input { font: inherit; color: inherit; }
a { text-decoration: none; }
button { border: none; background: none; cursor: pointer; }
input { width: 100%; }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
.skip-link { position: absolute; left: var(--space-4); top: -100px; background: var(--color-primary); color: var(--color-text-inverse); padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); z-index: 100; }
.skip-link:focus { top: var(--space-4); }
.container { width: min(calc(100% - 2rem), var(--content-default)); margin-inline: auto; }
.narrow { max-width: 720px; }
.site-header { border-bottom: 1px solid var(--color-border); background: color-mix(in srgb, var(--color-bg) 92%, transparent); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 20; }
.header-inner, .footer-inner, .manage-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.header-inner { padding: var(--space-4) 0; }
.brand { display: inline-flex; align-items: center; gap: var(--space-3); font-size: var(--text-sm); font-weight: 600; }
.brand-mark { width: 2rem; height: 2rem; border-radius: var(--radius-md); display: grid; place-items: center; background: var(--color-surface-2); border: 1px solid var(--color-border); }
.nav { display: flex; gap: var(--space-2); align-items: center; flex-wrap: wrap; }
.nav a, .theme-toggle {
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: background var(--transition-interactive), color var(--transition-interactive);
}
.nav a:hover, .theme-toggle:hover { background: var(--color-surface-2); color: var(--color-text); }
.hero, .section { padding: var(--space-12) 0; }
.hero-grid, .form-layout { display: grid; gap: var(--space-6); }
.hero-grid { grid-template-columns: 1fr 0.75fr; align-items: start; }
.form-layout { grid-template-columns: 1fr 0.9fr; align-items: start; }
.eyebrow {
  display: inline-flex;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
h1, h2 { font-family: var(--font-display); line-height: 1.08; letter-spacing: -0.02em; }
h1 { font-size: var(--text-2xl); max-width: 11ch; margin-top: var(--space-5); }
h2 { font-size: var(--text-xl); }
.lead, .section-copy p, .recent-item p, .recent-item small, .empty, .subtle { color: var(--color-text-muted); }
.lead { margin-top: var(--space-4); max-width: 54ch; }
.quick-points { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-top: var(--space-5); }
.chip {
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}
.hero-card, .form-panel, .side-panel, .table-panel, .not-found-panel { padding: var(--space-6); }
.stat-grid { display: grid; gap: var(--space-3); }
.stat {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: transparent;
  border: 1px solid var(--color-border);
}
.stat span {
  display: block;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}
.stat strong { font-size: var(--text-sm); font-weight: 600; word-break: break-word; }
.section-copy { display: grid; gap: var(--space-3); margin-bottom: var(--space-5); }
.link-form { display: grid; gap: var(--space-3); }
label { font-size: var(--text-sm); font-weight: 600; }
input {
  padding: 0.9rem 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: background var(--transition-interactive), color var(--transition-interactive), border-color var(--transition-interactive);
}
.btn-primary { background: var(--color-primary); color: var(--color-text-inverse); border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn-secondary { background: var(--color-surface); }
.btn-secondary:hover { background: var(--color-surface-2); }
.btn-danger { background: transparent; color: var(--color-danger); }
.alert {
  margin-bottom: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
}
.alert-error { color: var(--color-danger); }
.alert-success { color: var(--color-primary); }
.created-box {
  margin-top: var(--space-5);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.created-label { margin-bottom: var(--space-3); font-size: var(--text-sm); font-weight: 600; }
.created-row { display: flex; gap: var(--space-3); align-items: center; justify-content: space-between; flex-wrap: wrap; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.recent-list { display: grid; gap: var(--space-3); }
.recent-item {
  display: flex;
  gap: var(--space-4);
  justify-content: space-between;
  align-items: start;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: transparent;
}
.click-badge {
  white-space: nowrap;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.9rem 0.75rem; border-bottom: 1px solid var(--color-border); vertical-align: top; }
th { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-muted); }
.url-cell a { color: var(--color-primary); }
.not-found-panel { display: grid; gap: var(--space-4); text-align: center; }
.site-footer { padding: var(--space-10) 0 var(--space-16); color: var(--color-text-muted); }
.footer-inner { border-top: 1px solid var(--color-border); padding-top: var(--space-6); flex-wrap: wrap; }
@media (max-width: 900px) {
  .hero-grid, .form-layout { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .header-inner, .manage-head, .footer-inner { flex-direction: column; align-items: start; }
  .recent-item, .created-row { flex-direction: column; align-items: start; }
}