/* Precedentia — editorial design system (ported from claude.ai/design handoff) */

:root {
  --bg: #0b0b0d;
  --bg-elev: #121214;
  --bg-card: #141417;
  --surface: #18181c;
  --ink: #e8e6df;
  --ink-dim: #a8a6a0;
  --ink-mute: #6b6b6b;
  --ink-faint: #45454a;
  --border: #1f1f22;
  --border-strong: #2a2a2e;
  --brand: #09E1AC;
  --brand-dim: #06a67f;
  --brand-glow: rgba(9, 225, 172, 0.14);
  --indigo: #4f4bc9;
  --indigo-deep: #1c1899;
  --gold: #c9a24f;
  --warn: #f2c94c;
  --danger: #ef6c6c;
  --page-max: 1280px;
  --page-max-wide: 1440px;
  --page-pad: 32px;
}

html[data-theme="light"],
:root[data-theme="light"] {
  --bg: #f5f2ea;
  --bg-elev: #efeadf;
  --bg-card: #ffffff;
  --surface: #ede8dc;
  --ink: #121214;
  --ink-dim: #44444a;
  --ink-mute: #6f6f73;
  --ink-faint: #a8a49a;
  --border: #dcd6c8;
  --border-strong: #c4bdac;
  --brand: #06a67f;
  --brand-dim: #049075;
  --brand-glow: rgba(6, 166, 127, 0.1);
  --indigo: #1c1899;
  --indigo-deep: #0e0b6e;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
}

.serif {
  font-family: "Fraunces", "GT Sectra", "Tiempos", "Source Serif 4", Georgia, serif;
  font-optical-sizing: auto;
  letter-spacing: -0.01em;
}

.mono {
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-feature-settings: "ss02", "ss03";
}

.sans {
  font-family: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
}

.pp-label {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.pp-em {
  font-style: italic;
  color: var(--brand);
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
input, textarea, select, button { font-family: inherit; color: inherit; }
input:focus, textarea:focus, select:focus, button:focus { outline: none; }
.focusable:focus { outline: 1px solid var(--brand); outline-offset: 2px; }

.hairline { background: var(--border); height: 1px; width: 100%; }

.pp-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: 2px;
  font-family: "IBM Plex Sans"; font-size: 14px; font-weight: 500;
  border: 1px solid transparent; cursor: pointer; transition: all 0.15s ease;
  letter-spacing: 0.01em; white-space: nowrap;
  text-decoration: none;
}

.pp-btn-primary { background: var(--brand); color: #062019; }
.pp-btn-primary:hover { background: #0dffc4; }
.pp-btn-ghost { background: transparent; color: var(--ink); border-color: var(--border-strong); }
.pp-btn-ghost:hover { border-color: var(--ink-mute); background: var(--bg-elev); }
.pp-btn-dark { background: var(--ink); color: var(--bg); }
.pp-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.pp-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 9px; border-radius: 999px;
  font-family: "IBM Plex Mono"; font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase;
  border: 1px solid var(--border-strong); color: var(--ink-dim);
  background: transparent;
}

.pp-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 2px;
  font-family: "IBM Plex Sans"; font-size: 12px;
  background: var(--bg-elev); border: 1px solid var(--border); color: var(--ink-dim);
}

.pp-dot { width: 6px; height: 6px; border-radius: 999px; display: inline-block; }

.pp-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 3px;
}

.pp-divider-v { width: 1px; background: var(--border); align-self: stretch; }

.pp-rays {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  pointer-events: none;
}

mark.pp-hl {
  background: var(--brand-glow);
  color: var(--brand);
  padding: 0 3px;
  border-radius: 2px;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-faint); }

::selection { background: var(--brand); color: #062019; }

.pp-source-badge {
  display: inline-flex; align-items: center; gap: 6px;
  height: 20px; padding: 0 8px; border-radius: 2px;
  border: 1px solid var(--border-strong);
  font-family: "IBM Plex Mono"; font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-dim);
  background: transparent;
}
.pp-source-badge.md { height: 24px; font-size: 11.5px; }
.pp-source-badge__dot { width: 6px; height: 6px; display: inline-block; }
.pp-source-badge--ctedo .pp-source-badge__dot { background: var(--brand); }
.pp-source-badge--csj   .pp-source-badge__dot { background: var(--indigo); }
.pp-source-badge--ccrm  .pp-source-badge__dot { background: var(--gold); }
.pp-source-badge--echr .pp-source-badge__dot  { background: var(--brand); }
.pp-source-badge--cc   .pp-source-badge__dot  { background: var(--gold); }

@keyframes pp-brand-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.85; }
}

.pp-lift { transition: transform 0.2s ease, border-color 0.2s ease; }
.pp-lift:hover { transform: translateY(-2px); border-color: var(--border-strong); }

.pp-nav {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  backdrop-filter: blur(8px);
}
.pp-nav__inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 14px var(--page-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.pp-nav__left,
.pp-nav__right {
  display: flex;
  align-items: center;
  gap: 24px;
}
.pp-nav__links { display: flex; align-items: center; gap: 22px; margin-left: 8px; }
.pp-nav__link {
  font-size: 13.5px;
  color: var(--ink-dim);
  letter-spacing: 0.01em;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.pp-nav__link:hover { color: var(--ink); }
.pp-nav__link.is-active { color: var(--ink); border-bottom-color: var(--brand); }

.pp-logo {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--ink); text-decoration: none;
}
.pp-logo__word {
  font-family: "Fraunces", serif;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.pp-footer { border-top: 1px solid var(--border); background: var(--bg); }
.pp-footer__inner { max-width: var(--page-max); margin: 0 auto; padding: 56px var(--page-pad) 40px; }
.pp-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}
.pp-footer__col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.pp-footer__col li { font-size: 13px; color: var(--ink-dim); cursor: pointer; }
.pp-footer__col li a:hover { color: var(--ink); }
.pp-footer__bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 24px; border-top: 1px solid var(--border);
}

.pp-page { max-width: var(--page-max); margin: 0 auto; padding: 0 var(--page-pad); }
.pp-page--wide { max-width: var(--page-max-wide); }

.pp-section { border-bottom: 1px solid var(--border); position: relative; }
.pp-section--elev { background: var(--bg-elev); }
.pp-section--hero { overflow: hidden; }
.pp-section__inner { max-width: var(--page-max); margin: 0 auto; padding: 96px var(--page-pad); position: relative; }
.pp-section__inner--tight { padding: 56px var(--page-pad); }

.pp-hero-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% -20%, var(--brand-glow), transparent 55%);
  pointer-events: none;
}

.pp-serif-display {
  font-family: "Fraunces", serif;
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin: 0;
}

.pp-field {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--border-strong);
  background: var(--bg);
}
.pp-field input, .pp-field textarea {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--ink); font-size: 14px;
}

.pp-seg {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.pp-seg__btn {
  padding: 6px 12px; font-size: 11.5px; border: none; cursor: pointer;
  background: transparent; color: var(--ink-dim);
  font-family: "IBM Plex Mono"; letter-spacing: 0.08em; text-transform: uppercase;
}
.pp-seg__btn.is-active { background: var(--brand); color: #062019; }
.pp-seg__btn.is-active-dark { background: var(--ink); color: var(--bg); }

.pp-plan {
  background: transparent;
  border: 1px solid var(--border);
  padding: 32px 28px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.pp-plan.is-recommended {
  background: var(--bg-card);
  border-left-color: var(--brand-dim);
  border-right-color: var(--brand-dim);
  transform: translateY(-20px) scale(1.02);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}
.pp-plan.is-recommended::before {
  content: ""; position: absolute; top: -1px; left: -1px; right: -1px; height: 3px;
  background: var(--brand);
}
.pp-plan__badge {
  position: absolute; top: -16px; left: 50%; transform: translateX(-50%);
  background: var(--brand); color: #062019;
  padding: 4px 14px; font-size: 10.5px;
  font-family: "IBM Plex Mono"; letter-spacing: 0.1em;
  text-transform: uppercase; font-weight: 500;
  white-space: nowrap; z-index: 2;
  box-shadow: 0 6px 20px rgba(9, 225, 172, 0.25);
}
.pp-plan__price-row { display: flex; align-items: baseline; gap: 8px; }
.pp-plan__price {
  font-family: "Fraunces", serif;
  font-size: 56px; font-weight: 400; line-height: 1;
  letter-spacing: -0.03em;
}
.pp-plan__suffix { font-family: "IBM Plex Mono"; font-size: 12px; color: var(--ink-mute); }
.pp-plan__feat {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 0; font-size: 13px;
}
.pp-plan__feat--off { color: var(--ink-faint); }
.pp-plan__feat--muted { color: var(--ink-dim); }

.pp-table { border: 1px solid var(--border); background: var(--bg-card); }
.pp-table__head,
.pp-table__row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
}
.pp-table__head { background: var(--surface); border-bottom: 1px solid var(--border); }
.pp-table__group { padding: 14px 20px; background: var(--bg-elev); border-bottom: 1px solid var(--border); }
.pp-table__cell { padding: 14px 20px; font-size: 13px; border-left: 1px solid var(--border); }
.pp-table__cell:first-child { border-left: none; }
.pp-table__cell--center { text-align: center; }
.pp-table__cell--pro { background: color-mix(in oklab, var(--brand-glow) 30%, transparent); }

.pp-faq__row { border-bottom: 1px solid var(--border); }
.pp-faq__btn {
  width: 100%; padding: 18px 0; background: transparent; border: none;
  color: var(--ink); cursor: pointer; text-align: left;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-size: 15.5px;
}
.pp-faq__btn span:first-child { font-weight: 500; }
.pp-faq__ans { padding-bottom: 20px; font-size: 14px; color: var(--ink-dim); line-height: 1.6; max-width: 620px; display: none; }
.pp-faq__row.is-open .pp-faq__ans { display: block; }
.pp-faq__row.is-open .pp-faq__plus { display: none; }
.pp-faq__row:not(.is-open) .pp-faq__minus { display: none; }

.pp-result {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 18px 22px;
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease;
  text-decoration: none;
  display: block;
  color: inherit;
}
.pp-result:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.pp-result__meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.pp-result__title {
  font-family: "Fraunces", serif; font-size: 20px; font-weight: 500;
  letter-spacing: -0.01em; margin: 4px 0 10px;
}
.pp-result__snip { font-size: 13.5px; color: var(--ink-dim); line-height: 1.55; margin: 0 0 14px; }
.pp-result__row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.pp-result__sep { width: 1px; height: 12px; background: var(--border); }

.pp-timeline { position: relative; padding-left: 18px; }
.pp-timeline::before {
  content: ""; position: absolute; left: 4px; top: 4px; bottom: 4px; width: 1px; background: var(--border-strong);
}
.pp-timeline__item { position: relative; margin-bottom: 16px; }
.pp-timeline__item:last-child { margin-bottom: 0; }
.pp-timeline__dot {
  position: absolute; left: -18px; top: 5px; width: 9px; height: 9px; border-radius: 999px;
  background: var(--bg-card); border: 1px solid var(--border-strong);
}
.pp-timeline__item.is-active .pp-timeline__dot { background: var(--brand); border-color: var(--brand); }

.pp-cluster { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.pp-sticky-actions {
  position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); z-index: 30;
  background: color-mix(in oklab, var(--bg-card) 92%, transparent);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-strong);
  padding: 8px 10px; display: flex; align-items: center; gap: 4px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}
.pp-action-btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px;
  background: transparent; color: var(--ink);
  border: none; cursor: pointer; font-size: 12.5px;
  transition: background 0.15s;
}
.pp-action-btn:hover { background: var(--bg-elev); }
.pp-action-btn.is-active { background: var(--brand); color: #062019; }
.pp-action-btn--mute { color: var(--ink-mute); }

@media (max-width: 960px) {
  .pp-nav__links { display: none; }
  .pp-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .pp-section__inner { padding: 64px 20px; }
  .pp-footer__grid { grid-template-columns: 1fr; }
  .pp-cluster { grid-template-columns: 1fr; }
  .pp-plan.is-recommended { transform: none; }
}