:root {
  --ink: #0b1f33;
  --ink-700: #16324c;
  --ink-500: #2c4a66;
  --paper: #f7f3eb;
  --paper-50: #fbf9f4;
  --paper-100: #f0e9dc;
  --copper: #c45c26;
  --forest: #1f4e46;
  --mark: #2f735c;
  --good: #1f7a45;
  --wrong: #9f2a1f;
  --rule: #d9d0c1;
  --serif: "Newsreader", Georgia, serif;
  --sans: "Outfit", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  antialiased: true;
}
main { flex: 1; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--copper); }
h1, h2, h3, .brand-wrap, .footer-name, .year, .desk-name, .serif-link {
  font-family: var(--serif);
  font-weight: 600;
}
h1 { font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.12; margin: 0.4rem 0 0; }
h2 { font-size: 1.7rem; margin: 2rem 0 0.8rem; }
h3 { font-size: 1.25rem; margin: 0.4rem 0; line-height: 1.35; }
p { line-height: 1.65; }
.wrap { width: min(72rem, calc(100% - 2rem)); margin-inline: auto; }
.page { padding: 2.5rem 0 4rem; max-width: 72rem; }
.wrap.page.with-facts {
  width: calc(100% - 2.5rem);
  max-width: none;
}
.article { max-width: 48rem; padding: 2.5rem 0 4rem; }
.lede { color: var(--ink-500); max-width: 40rem; font-size: 1.05rem; }
.muted { color: var(--ink-500); }
.small { font-size: 0.8rem; }
.upper { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.72rem; }
.kicker {
  color: var(--copper);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.7rem;
  margin: 0;
}
.kicker.wide { letter-spacing: 0.25em; }
.copper-link {
  color: var(--copper);
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-bottom: 1px solid color-mix(in srgb, var(--copper) 55%, transparent);
  padding-bottom: 0.08rem;
}
.sol-link {
  display: inline;
  color: var(--ink);
  background: color-mix(in srgb, var(--copper) 16%, var(--paper));
  text-transform: none;
  letter-spacing: 0.02em;
  font-weight: 700;
  font-size: 0.78rem;
  line-height: 1.2;
  text-decoration: underline;
  text-underline-offset: 0.16em;
  padding: 0.12rem 0.42rem;
  border-radius: 0.2rem;
  border-bottom: 0;
  margin-top: 0;
}
.kicker .sol-link {
  font-family: var(--sans);
  text-transform: none;
  letter-spacing: 0.02em;
  vertical-align: 0.08em;
}
.sol-link:hover {
  background: var(--copper);
  color: var(--paper);
  text-decoration: none;
}
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  overflow: hidden;
  transition: top 0.28s ease;
}
body.is-header-away .site-header {
  top: calc(-1 * var(--site-bar-h, 5rem));
}
.site-bar {
  background: color-mix(in srgb, var(--paper-50) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
body.is-header-away .site-bar { pointer-events: none; }
body.is-header-away .paper-strip { pointer-events: auto; }
.bar {
  display: flex;
  align-items: center;
  gap: 0.85rem 1.15rem;
  flex-wrap: nowrap;
  padding: 0.8rem 0 0.9rem;
}
.bar-lead {
  display: flex;
  align-items: center;
  gap: 0.85rem 2.4rem;
  flex-shrink: 0;
  min-width: 0;
}
.brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  min-width: 0;
}
.brand:hover { color: inherit; }
.brand-row { display: flex; align-items: baseline; gap: 0.55rem; }
.brand-wrap { font-size: 1.85rem; letter-spacing: -0.04em; line-height: 0.9; }
.brand-ias {
  font-family: var(--serif);
  font-style: normal;
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  color: var(--copper);
  line-height: 0.9;
}
.brand-tag {
  display: block;
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 500;
  white-space: nowrap;
}
.exam-toggle {
  display: inline-flex;
  gap: 0.28rem;
  padding: 0.18rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  flex-shrink: 0;
}
.exam-btn {
  padding: 0.36rem 0.95rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}
.exam-btn:hover { color: inherit; background: var(--paper-100); }
.exam-btn.is-on {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.exam-btn.is-on:hover { color: var(--paper); }
.exam-toggle.is-idle .exam-btn {
  background: var(--paper-50);
  border-color: color-mix(in srgb, var(--ink) 22%, var(--rule));
}
.exam-toggle.is-idle .exam-btn:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.lang-toggle {
  margin-top: 0.85rem;
  width: max-content;
  max-width: 100%;
  flex: 0 0 auto;
}
.page-head .lang-toggle {
  margin-top: 0.7rem;
}
.nav {
  display: flex;
  align-items: center;
  gap: 0.2rem 0.35rem;
  font-size: 0.88rem;
  margin-left: 0;
  padding-left: 1.1rem;
  border-left: 1px solid var(--rule);
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav::-webkit-scrollbar { display: none; }
.nav a {
  padding: 0.36rem 0.62rem;
  border-radius: 999px;
  white-space: nowrap;
}
.nav a:hover {
  background: var(--paper-100);
  color: var(--copper);
}
.nav a.is-on {
  color: var(--copper);
  font-weight: 600;
  background: color-mix(in srgb, var(--copper) 10%, var(--paper-50));
}
.nav .strip-empty {
  padding: 0.36rem 0.62rem;
  border-radius: 999px;
  white-space: nowrap;
  border: 0;
  background: transparent;
  font: inherit;
  color: inherit;
  opacity: 0.42;
  cursor: not-allowed;
}
.exam-toggle .exam-btn.strip-empty {
  opacity: 0.42;
  cursor: not-allowed;
  background: transparent;
}
.hero-actions .strip-empty {
  opacity: 0.55;
  cursor: not-allowed;
}
.nav-short { display: none; }
.header-cta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: auto;
  flex-shrink: 0;
}
.header-cta .btn { padding: 0.36rem 0.9rem; font-size: 0.82rem; white-space: nowrap; }
.header-fire {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.85rem;
  height: 1.85rem;
  flex-shrink: 0;
  line-height: 1;
}
.header-fire:hover { color: inherit; }
.header-fire-ico {
  font-size: 1.2rem;
  line-height: 1;
  display: block;
  transform-origin: 50% 85%;
  animation: fire-burn 0.55s ease-in-out infinite;
  filter: saturate(1.85) hue-rotate(-14deg) contrast(1.2);
}
.header-fire-num {
  position: absolute;
  right: -0.2rem;
  bottom: -0.15rem;
  font-weight: 800;
  font-size: 0.68rem;
  line-height: 1;
  color: #c41e12;
  background: var(--paper-50);
  border: 1px solid color-mix(in srgb, #c41e12 35%, var(--rule));
  border-radius: 999px;
  min-width: 1rem;
  padding: 0.08rem 0.22rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.header-fire.is-lit .header-fire-num { color: #9a120c; }
.header-fire.is-cold .header-fire-ico {
  animation-duration: 1.15s;
  filter: saturate(1.45) hue-rotate(-10deg);
}
@keyframes fire-burn {
  0%, 100% { transform: scale(1) rotate(-6deg) translateY(0); }
  40% { transform: scale(1.16) rotate(6deg) translateY(-1px); }
  70% { transform: scale(1.06) rotate(-3deg) translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .header-fire-ico,
  .streak-fire { animation: none; }
  .site-header { transition: none; }
}
.paper-strip {
  background: var(--ink);
  color: var(--paper);
  position: relative;
}
.strip-inner {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.55rem 0.85rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 0.55rem 0;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.strip-inner::-webkit-scrollbar { display: none; }
.strip-inner a {
  opacity: 0.92;
  white-space: nowrap;
  color: var(--paper);
  padding: 0.38rem 0.85rem;
  border-radius: 999px;
}
.strip-inner a:hover {
  opacity: 1;
  color: var(--paper);
  background: color-mix(in srgb, var(--paper) 16%, transparent);
}
.strip-inner a.is-on {
  opacity: 1;
  background: var(--paper);
  color: var(--ink);
}
.strip-inner a.is-on:hover { color: var(--ink); }
.strip-inner .strip-empty {
  opacity: 0.42;
  white-space: nowrap;
  color: var(--paper);
  padding: 0.38rem 0.85rem;
  border-radius: 999px;
  border: 1px dashed color-mix(in srgb, var(--paper) 38%, transparent);
  background: transparent;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: not-allowed;
}
.strip-inner .strip-empty:hover,
.strip-inner .strip-empty:focus {
  opacity: 0.5;
  background: color-mix(in srgb, var(--paper) 8%, transparent);
}
.strip-empty-tip {
  position: fixed;
  left: 50%;
  bottom: 1.25rem;
  transform: translateX(-50%);
  max-width: min(92vw, 28rem);
  padding: 0.65rem 1rem;
  border-radius: 10px;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.92rem;
  line-height: 1.45;
  box-shadow: 0 12px 40px color-mix(in srgb, var(--ink) 28%, transparent);
  z-index: 1200;
  text-align: center;
}
.strip-empty-tip[hidden] { display: none; }
.strip-inner a.strip-slot {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.28rem 0.72rem;
  border: 1px solid color-mix(in srgb, var(--paper) 42%, transparent);
}
.strip-gap {
  width: 1px;
  align-self: stretch;
  background: color-mix(in srgb, var(--paper) 28%, transparent);
  margin: 0 0.7rem;
  flex-shrink: 0;
}

.btn {
  display: inline-block;
  border-radius: 999px;
  padding: 0.45rem 1.1rem;
  font-size: 0.875rem;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}
.btn:disabled:hover { opacity: 0.45; }
.btn-ink { background: var(--ink); color: var(--paper); }
.btn-ink:hover { color: var(--paper); opacity: 0.92; }
.answer-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.15rem;
  margin: 1rem 0 0.2rem;
}
.q-step {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.55rem;
  margin: 0.65rem 0 0;
  font-size: 0.82rem;
  font-weight: 600;
}
.q-step a { color: var(--copper); text-decoration: none; }
.q-step a:hover { color: var(--ink); }
.q-step-gap { color: var(--ink-500); font-weight: 500; }
.q-kicker-bar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas: "prev kicker next";
  align-items: center;
  column-gap: 0.75rem;
  width: 100%;
  margin: 0 0 0.45rem;
}
.q-kicker-bar .mcq-kicker,
.q-kicker-bar .kicker {
  grid-area: kicker;
  margin: 0;
  min-width: 0;
}
.q-kicker-prev,
.q-kicker-next {
  color: var(--copper);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.2;
  padding: 0.15rem 0;
  white-space: nowrap;
}
.q-kicker-prev { grid-area: prev; text-align: left; }
.q-kicker-next { grid-area: next; text-align: right; }
.q-kicker-prev:hover,
.q-kicker-next:hover { color: var(--ink); }
.q-kicker-prev.is-off,
.q-kicker-next.is-off { visibility: hidden; }
.topic-step {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
  margin: 0.85rem 0 0.15rem;
  font-size: 0.88rem;
  font-weight: 600;
}
.topic-step-prev,
.topic-step-next {
  flex: 1 1 0;
  min-width: 0;
  max-width: calc(50% - 0.65rem);
  color: var(--copper);
  text-decoration: none;
  line-height: 1.35;
}
.topic-step-next { margin-left: auto; text-align: right; }
.topic-step.is-start .topic-step-next,
.topic-step.is-end .topic-step-prev {
  flex: 0 1 auto;
}
.topic-step a:hover { color: var(--ink); }
.page-end-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.75rem 1rem;
  margin: 1.75rem 0 0.35rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  font-size: 0.92rem;
  font-weight: 600;
}
.page-end-prev,
.page-end-next,
.page-end-top {
  color: var(--copper);
  text-decoration: none;
}
.page-end-prev { justify-self: start; }
.page-end-next { justify-self: end; text-align: right; }
.page-end-top {
  justify-self: center;
  padding: 0.28rem 0.85rem;
  border: 1px solid var(--rule);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.page-end-nav a:hover { color: var(--ink); }
.page-end-nav .is-off { visibility: hidden; }
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.2rem;
  margin-top: 0.75rem;
}
.card-actions .sol-link {
  font-size: 0.9rem;
  display: inline-block;
}
.mcq-links a.sol-link,
.set-sol a.sol-link {
  font-size: 0.9rem;
}
.btn-outline { border-color: var(--ink); background: transparent; }
.preview-exit {
  position: fixed;
  left: 1rem;
  right: auto;
  bottom: 1rem;
  z-index: 80;
  padding: 0.45rem 0.85rem;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: 0 8px 24px color-mix(in srgb, var(--ink) 28%, transparent);
}
.preview-exit:hover { color: var(--paper); opacity: 0.92; }
.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem 1.15rem;
  margin-bottom: 0.85rem;
}
.page-head > div,
.page-head-title {
  flex: 1 1 0;
  min-width: 0;
  overflow-wrap: break-word;
}
.page-head > .lang-toggle,
.page-head > .exam-toggle {
  flex: 0 0 auto;
  width: max-content;
}
.page-head h1 { margin-top: 0.35rem; }
.page-head .lede { margin-bottom: 0; max-width: none; }
.page-head-dl {
  flex-shrink: 0;
  border-radius: 0;
  font-size: 0.78rem;
  padding: 0.32rem 0.8rem;
  white-space: nowrap;
}
.page-head-dl-group {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.4rem;
  flex: 0 0 auto;
  margin-top: 0.55rem;
}
.facts-rail-head {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.55rem;
  margin-bottom: 0.7rem;
}
.facts-rail-title { min-width: 0; }
.facts-rail-title .facts-lead-line {
  margin: 0.28rem 0 0;
  font-size: 0.82rem;
  line-height: 1.35;
}
.facts-rail-head h2 {
  margin: 0.15rem 0 0;
  font-size: 1.05rem;
  line-height: 1.25;
  overflow-wrap: anywhere;
}
.facts-rail-head .page-head-dl,
.facts-dl {
  margin-top: 0;
  align-self: stretch;
  text-align: center;
  white-space: nowrap;
}
.year-official {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin: 0.15rem 0 1.15rem;
  padding: 0.85rem 0 1rem;
  border-bottom: 1px solid var(--rule);
}
.year-official .btn { border-radius: 0; }
.btn-forest { background: var(--forest); color: var(--paper); border-radius: 0; }
.btn-copper { border: 1px solid var(--copper); color: var(--copper); background: transparent; border-radius: 0; }
.full { width: 100%; }
button.btn { border-radius: 0; }

.hero {
  border-bottom: 1px solid var(--rule);
  background: linear-gradient(180deg, #fbf9f4 0%, #f0e9dc 100%);
}
.hero-grid, .footer-grid, .grid-2, .grid-3 { display: grid; gap: 1.25rem; }
.hero-grid { padding: 4rem 0; align-items: stretch; gap: 2.75rem; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.1rem; margin-top: 1.75rem; }
.hero-actions .btn { border-radius: 999px; padding: 0.75rem 1.4rem; font-size: 1rem; }
.hero-actions .copper-link { margin-top: 0; font-weight: 600; }
.btn-upload {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.btn-ico { display: block; flex-shrink: 0; }
.hero-eval { margin-top: 0.9rem; max-width: 36rem; }
.hero-search { max-width: 32rem; margin: 1.25rem 0 1.75rem; }
.search input, .login-form input, .stack-form input, .stack-form select, .stack-form textarea, .grid-2 input, .grid-2 select {
  width: 100%;
  border: 1px solid var(--rule);
  background: var(--paper-50);
  padding: 0.7rem 0.9rem;
  font: inherit;
  color: var(--ink);
}
.search input { border-radius: 999px; padding-left: 1.1rem; }
.panel {
  border: 1px solid var(--rule);
  background: var(--paper-50);
  padding: 1.4rem;
}
.hero-panel {
  border: 1px solid var(--rule);
  background: var(--paper-50);
  padding: 1.7rem 1.65rem 1.55rem;
  border-radius: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.get-title {
  display: block;
  margin: 0 0 1.05rem;
  color: var(--copper);
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.25;
}
.get-title::after {
  content: "";
  display: block;
  width: 4.25rem;
  height: 1.5px;
  margin-top: 0.32rem;
  background: var(--copper);
}
.get-lede {
  margin: 0 0 1.05rem;
  color: var(--ink-500);
  font-size: 0.95rem;
  line-height: 1.55;
}
.get-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin: 0 0 1.2rem;
}
.get-wait,
.get-now {
  padding: 0.9rem 0.95rem 0.95rem;
  min-width: 0;
}
.get-wait {
  border: 1px solid var(--rule);
  background: color-mix(in srgb, var(--ink) 4%, #fff);
  color: var(--ink-500);
}
.get-now {
  border: 1px solid color-mix(in srgb, var(--copper) 42%, var(--rule));
  background: color-mix(in srgb, var(--copper) 11%, #fff);
  color: var(--ink);
  box-shadow: 0 14px 28px -22px rgba(196, 92, 38, 0.7);
}
.get-when {
  margin: 0 0 0.4rem;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
}
.get-wait .get-when { color: var(--ink-500); }
.get-now .get-when { color: var(--copper); }
.get-claim {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.32;
}
.get-wait .get-claim { font-weight: 500; }
.get-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.get-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin: 0;
  padding: 0.62rem 0;
  font-size: 0.95rem;
  line-height: 1.4;
  color: var(--ink);
  border-top: 1px solid var(--rule);
}
.get-list li:first-child { padding-top: 0.15rem; border-top: 0; }
.get-num {
  flex-shrink: 0;
  width: 1.55rem;
  height: 1.55rem;
  margin-top: 0.05rem;
  border-radius: 50%;
  background: var(--copper);
  color: var(--paper);
  font-size: 0.75rem;
  font-weight: 700;
  display: grid;
  place-items: center;
  line-height: 1;
}
.panel ol { padding-left: 0; list-style: none; }
.panel li { margin: 0.6rem 0; font-size: 0.95rem; }
.section { padding: 3rem 0 1rem; }
.row-between { display: flex; justify-content: space-between; align-items: end; gap: 1rem; }
.row { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.card {
  display: block;
  border: 1px solid var(--rule);
  background: var(--paper-50);
  padding: 1.25rem;
  box-shadow: 0 18px 50px -28px rgba(11, 31, 51, 0.35);
}
.attempt-doors { margin: 0 0 2rem; }
.attempt-doors .card h2 { margin: 0.2rem 0 0.45rem; font-size: 1.35rem; }
.year-jump { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 1.5rem 0 0.35rem; }
.syllabus-block .year-jump { margin: 0.7rem 0 0; }
.syllabus-block:has(.syllabus-items) .year-jump { margin-bottom: 0.2rem; }
.year-block { margin-top: 2.1rem; scroll-margin-top: 5.5rem; }
.facts-main .year-block:first-child { margin-top: 0; }
.year-block-head {
  margin: 0 0 1.05rem;
  padding: 0;
  border: 0;
}
.year-block-year {
  display: inline-block;
  font-size: clamp(2.4rem, 5vw, 3.15rem);
  font-weight: 700;
  margin: 0;
  padding-bottom: 0.28rem;
  letter-spacing: -0.05em;
  line-height: 0.95;
  color: var(--ink);
  border-bottom: 3px solid var(--copper);
}
.year-block .pyq-list { margin-top: 0; }
.pyq-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}
.pyq-card h3 {
  font-size: 1.18rem;
  line-height: 1.45;
  margin: 0.35rem 0 0.5rem;
}
.pyq-card.is-soon {
  background: color-mix(in srgb, var(--paper-50) 88%, #efe6d4);
}
.pyq-card .card-actions { margin-top: 0.7rem; }
.topic-tag {
  display: inline-block;
  margin: 0;
  padding: 0.14rem 0.55rem;
  max-width: 100%;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--copper);
  background: color-mix(in srgb, var(--copper) 9%, var(--paper-50));
  border: 1px solid color-mix(in srgb, var(--copper) 22%, var(--rule));
  border-radius: 999px;
}
.pyq-stem {
  border: 1px solid var(--rule);
  background: var(--paper-50);
  padding: 1rem 1.1rem;
  line-height: 1.55;
  white-space: pre-wrap;
}
.pyq-stem:has(.mcq-match) {
  white-space: normal;
}
.paper-grid { display: grid; gap: 1.35rem; }
.feature-carousel {
  --cards: 1;
  --gap: 0.9rem;
  margin-top: 0.15rem;
}
.feature-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin: 0 0 1.2rem;
}
.feature-copy { min-width: 0; flex: 1; }
.feature-copy .kicker { margin-bottom: 0.2rem; }
.feature-copy h2 {
  margin: 0;
  font-size: clamp(1.45rem, 2.4vw, 1.7rem);
}
.feature-copy h2::after {
  content: "";
  display: block;
  width: 9.5rem;
  height: 2px;
  background: var(--copper);
  margin-top: 0.5rem;
}
.feature-controls {
  display: flex;
  gap: 0.4rem;
  flex-shrink: 0;
  margin-left: auto;
  padding-bottom: 0.1rem;
}
.feature-carousel.is-single .feature-controls { display: none; }
.feature-viewport { min-width: 0; }
.feature-track {
  display: flex;
  gap: var(--gap);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 0.1rem 0 0.2rem;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.feature-track::-webkit-scrollbar { display: none; }
.feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex: 0 0 calc((100% - (var(--cards) - 1) * var(--gap)) / var(--cards));
  min-width: 0;
  min-height: 12.5rem;
  scroll-snap-align: start;
  overflow: hidden;
  border: 1px solid var(--rule);
  background: var(--paper-50);
  padding: 1.25rem 3.6rem 1.1rem 1.2rem;
  box-shadow: 0 18px 50px -28px rgba(11, 31, 51, 0.28);
}
.feature-card:hover {
  border-color: color-mix(in srgb, var(--ink) 40%, var(--rule));
  color: inherit;
}
.feature-card:hover .feature-go { color: var(--copper); border-bottom-color: color-mix(in srgb, var(--copper) 55%, transparent); }
.feature-card:hover .feature-ico { opacity: 1; }
.feature-card .feature-ico {
  position: absolute;
  right: 0.9rem;
  top: 0.85rem;
  width: 2.35rem;
  height: 2.35rem;
  color: color-mix(in srgb, var(--copper) 55%, var(--ink-200, #c9bba8));
  opacity: 0.72;
  pointer-events: none;
}
.feature-kind {
  display: inline-block;
  margin: 0 0 0.55rem;
  color: var(--copper);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.64rem;
  font-weight: 600;
}
.feature-head .feature-more {
  margin-top: 0;
  flex-shrink: 0;
  padding-bottom: 0.35rem;
}
.feature-card h3 {
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 600;
  margin: 0 0 0.4rem;
  color: var(--ink);
  line-height: 1.15;
}
.feature-track .feature-card h3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.feature-card.is-soon {
  background: color-mix(in srgb, var(--paper-50) 88%, #efe6d4);
}
.feature-card p {
  margin: 0;
  color: var(--ink-500);
  font-size: 0.88rem;
  line-height: 1.45;
  max-width: 16rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.feature-go {
  margin-top: auto;
  padding-top: 1.1rem;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 28%, transparent);
  padding-bottom: 0.06rem;
}
.feature-shift {
  width: 2.15rem;
  height: 2.15rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--paper-50);
  color: var(--ink);
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 0;
}
.feature-shift:hover { background: var(--ink); color: var(--paper); }
.feature-shift:disabled { opacity: 0.28; cursor: default; }
.feature-shift:disabled:hover { background: var(--paper-50); color: var(--ink); }
.feature-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
}
.feature-dot {
  width: 0.42rem;
  height: 0.42rem;
  padding: 0;
  border: 0;
  border-radius: 99px;
  background: var(--rule);
  cursor: pointer;
}
.feature-dot.is-on {
  width: 1.15rem;
  background: var(--copper);
}
.paper-card {
  display: block;
  border: 1px solid var(--rule);
  background: var(--paper-50);
  padding: 1.55rem 1.4rem;
  min-height: 11.25rem;
  box-shadow: 0 18px 50px -28px rgba(11, 31, 51, 0.35);
}
.paper-card:hover { border-color: color-mix(in srgb, var(--ink) 35%, var(--rule)); color: inherit; }
.paper-code {
  font-family: var(--serif);
  font-size: 1.9rem;
  line-height: 1;
  color: var(--copper);
  margin: 0 0 0.55rem;
}
.paper-card h3 { font-size: 1.28rem; margin: 0 0 0.45rem; }
.papers-section { padding-top: 2.6rem; }
.papers-section.is-follow { padding-top: 1.4rem; }
.archive-grid {
  list-style: none;
  padding: 0;
  margin: 1.75rem 0 0;
  display: grid;
  gap: 1.25rem;
}
.archive-card {
  display: block;
  border: 1px solid var(--rule);
  background: var(--paper-50);
  padding: 1.45rem 1.35rem;
  min-height: 10.5rem;
  box-shadow: 0 18px 50px -28px rgba(11, 31, 51, 0.35);
}
.archive-card:hover { border-color: color-mix(in srgb, var(--ink) 35%, var(--rule)); color: inherit; }
.archive-card h2 { font-size: 1.35rem; margin: 0 0 0.45rem; }
.archive-card.is-soon { background: color-mix(in srgb, var(--paper-50) 88%, #efe6d4); }
.archive-card h3 { font-size: 1.15rem; margin: 0 0 0.4rem; }
.archive-grid.is-compact { margin-top: 0.75rem; }
.archive-grid.is-compact .archive-card { min-height: 0; padding: 1.15rem 1.2rem; }
.archive-more { margin-top: 3rem; }
.official-syllabus { margin-top: 2rem; max-width: 52rem; }
.pyq-panel { margin-top: 1.5rem; }
.pyq-actions { margin: 0 0 0.85rem; }
.pyq-frame {
  width: 100%;
  min-height: 72vh;
  border: 1px solid var(--rule);
  background: var(--paper-50);
}
.pyq-section {
  font-size: 1.45rem;
  line-height: 1.25;
  margin: 2.1rem 0 0.7rem;
}
.syllabus-heading + .pyq-section {
  margin-top: 1.6rem;
}
.pyq-downloads + .pyq-section {
  margin-top: 2.4rem;
}
.pyq-downloads {
  list-style: none;
  padding: 0;
  margin: 0.35rem 0 0;
  display: grid;
  gap: 0.75rem;
}
.pyq-dl {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  border: 1px solid var(--rule);
  background: var(--paper-50);
  padding: 1.1rem 1.2rem;
}
.pyq-dl > div:first-child {
  flex: 1 1 12rem;
  min-width: 0;
}
.pyq-dl.is-on { border-color: color-mix(in srgb, var(--ink) 35%, var(--rule)); }
.pyq-dl h2,
.pyq-dl h3 {
  font-size: 1.2rem;
  margin: 0 0 0.2rem;
}
.pyq-dl .muted { margin: 0; font-size: 0.88rem; }
.pyq-dl .btn {
  flex: 0 1 auto;
  max-width: 100%;
  white-space: normal;
  text-align: center;
  line-height: 1.25;
}
.pyq-dl-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  flex: 1 1 14rem;
  min-width: 0;
  max-width: 100%;
}
.pyq-soon {
  flex-shrink: 0;
  color: var(--copper);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.syllabus-block { margin: 0 0 2rem; }
.syllabus-block h2 { font-size: 1.45rem; margin: 0 0 0.65rem; color: var(--ink); }
.syllabus-block ol {
  margin: 0.6rem 0 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.7rem;
}
.syllabus-block li {
  line-height: 1.6;
  padding-left: 0.25rem;
  color: var(--ink);
}
.syllabus-split {
  display: grid;
  gap: 0.85rem;
  margin-top: 0.35rem;
}
.syllabus-split .syllabus-block {
  margin: 0;
  padding: 1.1rem 1.25rem 1.2rem;
  background: var(--paper-50);
  border: 1px solid var(--rule);
}
.syllabus-split .syllabus-block h2 {
  font-size: 1.22rem;
  margin: 0;
  color: var(--ink);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.65rem 1rem;
  flex-wrap: nowrap;
}
.syllabus-split .syllabus-block h2 a { color: var(--ink); }
.syllabus-split .syllabus-block h2 a:hover { color: var(--copper); }
.syllabus-split .syllabus-block h2 .syllabus-num {
  align-self: flex-start;
  margin-top: 0.18rem;
}
.syllabus-split .syllabus-block:has(.syllabus-items) h2,
.syllabus-split .syllabus-block:has(.syllabus-note) h2 {
  margin-bottom: 0.35rem;
}
.syllabus-title {
  flex: 1 1 0;
  min-width: 0;
}
.syllabus-block.is-door { cursor: default; }
.syllabus-note {
  margin: 0 0 0.9rem;
  color: var(--ink-700);
  font-size: 0.95rem;
}
.syllabus-items {
  margin: 0.7rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}
.syllabus-items li,
.syllabus-line {
  color: var(--ink);
  font-size: 1.05rem;
  line-height: 1.62;
  padding: 0.15rem 0;
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.55rem 0.85rem;
}
.syllabus-num {
  flex-shrink: 0;
  min-width: 2.7rem;
  margin-top: 0.12rem;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.35;
  color: var(--copper);
}
.syllabus-line-text {
  flex: 1 1 0;
  min-width: 0;
}
.syllabus-items a.syllabus-line-text {
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
}
.syllabus-items a.syllabus-line-text:hover { color: var(--copper); }
.syllabus-pyq {
  flex: 0 0 auto;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  margin-top: 0.12rem;
  margin-left: auto;
  min-width: 5.4rem;
  padding: 0.28rem 0.72rem;
  border: 1px solid var(--copper);
  border-radius: 999px;
  background: color-mix(in srgb, var(--copper) 8%, var(--paper-50));
  color: var(--copper) !important;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
}
.syllabus-pyq:hover {
  background: var(--copper);
  color: var(--paper) !important;
}
.construct {
  min-height: 62vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem 1rem 6rem;
  text-align: center;
  align-items: center;
  background: linear-gradient(180deg, #fbf9f4 0%, #f0e9dc 100%);
}
.construct h1 { max-width: 22ch; }
.construct .lede { max-width: 36rem; margin: 1rem auto 2rem; }
.construct .btn { border-radius: 999px; }
.clamp { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; font-size: 0.9rem; }
.pills { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1.5rem 0; }
.pill {
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.3rem 0.85rem;
  font-size: 0.8rem;
}
.pill:hover { border-color: var(--ink); }
.crumbs {
  font-size: 0.85rem;
  color: var(--ink-500);
  margin-bottom: 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  row-gap: 0.2rem;
}
.crumbs span { margin: 0 0.35rem; }
.answer-q-block {
  max-width: none;
  width: 100%;
  margin: 0.5rem 0 0;
}
.answer-q-check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
h1.answer-q {
  font-size: 1.28rem;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.015em;
  margin: 0;
}
.answer-q-block.is-fold .answer-q {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 5;
  overflow: hidden;
}
.answer-q-check:checked ~ .answer-q {
  display: block;
  -webkit-line-clamp: unset;
  overflow: visible;
}
.answer-q-toggle {
  display: inline-block;
  margin-top: 0.45rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 650;
  color: var(--copper);
  cursor: pointer;
  user-select: none;
}
.answer-q-toggle .less { display: none; }
.answer-q-check:checked ~ .answer-q-toggle .more { display: none; }
.answer-q-check:checked ~ .answer-q-toggle .less { display: inline; }
.summary-wrap { margin-top: 2rem; }
.demand-box {
  margin: 0.85rem 0 0;
  padding: 0.7rem 1rem 0.65rem 1.05rem;
  max-width: 42rem;
  background: #fff;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--copper);
}
.demand-kicker {
  margin: 0 0 0.4rem;
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  line-height: 1.2;
}
.demand-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.demand-list li {
  position: relative;
  margin: 0;
  padding: 0.28rem 0 0.28rem 0.95rem;
  font-size: 0.92rem;
  line-height: 1.4;
  color: var(--ink-700);
}
.demand-list li + li {
  border-top: 1px solid var(--paper-100);
}
.demand-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.32rem;
  height: 0.32rem;
  background: var(--copper);
  border-radius: 1px;
}
.summary-check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.summary {
  border-left: 4px solid var(--copper);
  background: var(--paper-100);
  padding: 1.25rem;
}
.prelims-close {
  margin-top: 1.75rem;
  padding: 1.15rem 1.25rem;
  border-left: 4px solid var(--copper);
  background: var(--paper-100);
}
.prelims-close p { margin: 0.55rem 0 0; line-height: 1.55; }
.prelims-close p:first-of-type { margin-top: 0.35rem; }
.summary-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.55rem;
  flex-wrap: wrap;
}
.summary h2 { margin: 0; }
.summary-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}
.summary-play {
  border-radius: 999px;
  padding: 0.32rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 600;
}
.summary-toggle {
  flex-shrink: 0;
  cursor: pointer;
  color: var(--copper);
  font-size: 0.8rem;
  font-weight: 600;
  border-bottom: 1px solid color-mix(in srgb, var(--copper) 55%, transparent);
  padding-bottom: 0.05rem;
}
.summary-toggle .close-label { display: none; }
.summary-check:checked ~ .summary .open-label { display: none; }
.summary-check:checked ~ .summary .close-label { display: inline; }
.summary-body {
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.summary-check:checked ~ .summary .summary-body {
  display: block;
  -webkit-line-clamp: unset;
  overflow: visible;
}
.copies { margin-top: 2rem; }
.copies h2 { margin-top: 0; }
.copies-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.copies-list li {
  margin: 0;
  padding: 0.85rem 0;
  border-top: 1px solid var(--rule);
}
.copies-list li:first-child { border-top: 0; padding-top: 0; }
.copies-name { margin: 0; font-weight: 600; }
.answer-parts {
  display: grid;
  gap: 1.15rem;
  margin-top: 0.35rem;
}
.essay-map-note {
  margin: 1.2rem 0 0;
  padding: 1.05rem 1.2rem 1.15rem 1.15rem;
  border: 1px solid color-mix(in srgb, #5c3d2e 28%, var(--rule));
  background:
    linear-gradient(90deg, #c45c26 0 5px, transparent 5px),
    repeating-linear-gradient(
      transparent 0,
      transparent 1.52rem,
      color-mix(in srgb, #5c3d2e 9%, transparent) 1.52rem,
      color-mix(in srgb, #5c3d2e 9%, transparent) calc(1.52rem + 1px)
    ),
    #f6ecd8;
  color: #2a2118;
}
.essay-map-kicker {
  margin: 0 0 0.28rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #c45c26;
}
.essay-map-title {
  margin: 0 0 0.4rem;
  font-family: var(--serif);
  font-size: 1.22rem;
  font-weight: 700;
  line-height: 1.3;
}
.essay-map-body {
  margin: 0;
  max-width: 38rem;
  font-size: 0.98rem;
  line-height: 1.55;
  color: #3d3228;
}
.is-essay-answer .essay-map-note { margin-bottom: 0.2rem; }
.essay-sheet {
  display: grid;
  gap: 1rem;
  margin-top: 0.85rem;
}
.essay-block {
  padding: 1.05rem 1.2rem 1.15rem;
  border: 1px solid color-mix(in srgb, #5c3d2e 16%, var(--rule));
  background: var(--paper-50);
}
.essay-block.is-scene {
  background: #f6ecd8;
  border-color: color-mix(in srgb, #5c3d2e 28%, var(--rule));
}
.essay-block.is-stake {
  border-left: 4px solid #c45c26;
}
.essay-block.is-quotes {
  background: color-mix(in srgb, #c45c26 6%, #fff);
}
.essay-block.is-map {
  border-left: 4px solid var(--ink);
}
.essay-block.is-value {
  background: color-mix(in srgb, var(--forest) 7%, var(--paper-50));
}
.essay-block.is-close {
  border-left: 4px solid var(--forest);
}
.essay-kicker {
  margin: 0 0 0.22rem;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #c45c26;
}
.essay-block h3 {
  margin: 0 0 0.7rem;
  font-family: var(--serif);
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  color: #2a2118;
}
.essay-block .prose { font-size: 1.05rem; }
.essay-block .prose p:last-child { margin-bottom: 0; }
.essay-quotes,
.essay-pegs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}
.essay-quote-who {
  margin: 0 0 0.2rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #c45c26;
}
.essay-quote-line {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.08rem;
  font-style: italic;
  line-height: 1.45;
}
.essay-pegs li {
  display: grid;
  gap: 0.15rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--rule);
}
.essay-pegs li:last-child { padding-bottom: 0; border-bottom: 0; }
.essay-peg-label {
  font-weight: 700;
  font-size: 0.92rem;
}
.essay-peg-copy { color: var(--ink-700); font-size: 0.95rem; line-height: 1.45; }
.answer-part {
  padding: 1.05rem 1.15rem 1.1rem;
  background: var(--paper-50);
  border: 1px solid var(--rule);
  border-left-width: 4px;
}
.answer-part.is-intro {
  border-left-color: var(--copper);
  background: color-mix(in srgb, var(--copper) 6%, var(--paper-50));
}
.answer-part.is-body { border-left-color: var(--ink); }
.answer-part.is-diagram {
  border-left-color: var(--copper);
  background: color-mix(in srgb, var(--copper) 5%, #fff);
}
.answer-part.is-close {
  border-left-color: var(--forest);
  background: color-mix(in srgb, var(--forest) 6%, var(--paper-50));
}
.answer-part h3 {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin: 0 0 0.65rem;
}
.answer-part.is-body h3 { color: var(--ink-500); }
.answer-part.is-close h3 { color: var(--forest); }
.answer-part .prose { font-size: 1.05rem; }
.answer-part .prose p:last-child { margin-bottom: 0; }
.answer-part .mermaid {
  margin: 0;
  padding: 0.35rem 0 0;
  overflow-x: auto;
  background: transparent;
  font-size: 0.85rem;
}
.answer-part .mermaid svg { max-width: 100%; height: auto; }
#model-diagram {
  font-family: ui-monospace, Consolas, "Liberation Mono", monospace;
  font-size: 0.85rem;
  line-height: 1.45;
}
.prose { font-size: 1.05rem; }
.prose p { margin: 0 0 0.85rem; }
.prose p:last-child { margin-bottom: 0; }
.prose h2 { font-size: 1.4rem; }
.prose h3,
.prose .answer-head {
  font-family: var(--serif);
  font-size: 1.28rem;
  font-weight: 700;
  margin: 1.45rem 0 0.55rem;
  line-height: 1.3;
  color: var(--ink);
  padding-bottom: 0.32rem;
  border-bottom: 2px solid color-mix(in srgb, var(--copper) 55%, var(--rule));
}
.prose h4,
.prose .answer-sub {
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 600;
  margin: 1.05rem 0 0.4rem;
  line-height: 1.3;
  color: var(--ink);
  padding-bottom: 0.2rem;
  border-bottom: 1px solid color-mix(in srgb, var(--copper) 28%, var(--rule));
}
.prose h3:first-child,
.prose h4:first-child,
.prose .answer-head:first-child,
.prose .answer-sub:first-child { margin-top: 0; }
.prose em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  color: var(--ink);
  background: none;
  padding: 0;
}
.prose mark.answer-fact {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 600;
  color: var(--copper);
  background: none;
  padding: 0;
  border-radius: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--copper) 55%, transparent);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.prose .key-term,
.key-term {
  margin: 1.1rem 0 1.25rem;
  padding: 0;
  border: 1px solid var(--rule);
  background: var(--paper-50);
  max-width: 36rem;
}
.key-term-art {
  padding: 0.65rem 0.75rem 0.2rem;
  background: #f7f3eb;
}
.key-term-art svg,
.key-term-art img {
  display: block;
  width: 100%;
  height: auto;
}
.key-term-art svg { max-height: 18rem; }
.key-term-art img {
  max-height: 22rem;
  object-fit: cover;
}
.key-term figcaption {
  display: grid;
  gap: 0.2rem;
  padding: 0.55rem 0.85rem 0.8rem;
  font-family: var(--sans);
  font-size: 0.88rem;
  line-height: 1.4;
}
.key-term figcaption strong {
  font-family: var(--serif);
  font-size: 1.02rem;
  color: var(--ink);
}
.key-term figcaption span {
  color: var(--ink-500);
}
.prose li strong {
  font-family: var(--serif);
  font-weight: 650;
}
.prose ul,
.prose ol {
  margin: 0 0 0.85rem;
  padding-left: 0;
  list-style: none;
}
.prose ol { counter-reset: wrap-ol; }
.prose li { margin: 0 0 0.45rem; padding-left: 1.15rem; position: relative; }
.prose li:last-child { margin-bottom: 0; }
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.4rem;
  height: 0.4rem;
  background: var(--copper);
}
.prose ol li {
  counter-increment: wrap-ol;
  padding-left: 1.45rem;
}
.prose ol li::before {
  content: counter(wrap-ol);
  position: absolute;
  left: 0;
  top: 0.05em;
  font-family: var(--serif);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--copper);
}
.prose ol.explain-opts {
  margin: 0.2rem 0 0.4rem;
  padding: 0;
  counter-reset: none;
  display: grid;
  gap: 0.55rem;
}
.prose ol.explain-opts > li,
.explain-opt {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0.75rem;
  margin: 0;
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--rule);
  background: var(--paper);
  position: relative;
}
.prose ol.explain-opts > li::before {
  content: none;
  display: none;
}
.explain-opt.is-key {
  border-color: var(--mark);
  background: color-mix(in srgb, var(--mark) 14%, var(--paper-50));
}
.explain-opt.is-key .mcq-letter {
  color: var(--paper);
  background: var(--mark);
  border-color: var(--mark);
}
.explain-opt-body {
  flex: 1;
  min-width: 0;
}
.explain-opt-kicker {
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 650;
  margin: 0.08rem 0 0.35rem;
  line-height: 1.35;
}
.explain-opt-body p { margin: 0 0 0.45rem; }
.explain-opt-body p:last-child { margin-bottom: 0; }
.prose p.explain-summary {
  margin: 1.15rem 0 0;
  padding: 1.05rem 1.15rem;
  border-left: 4px solid var(--copper);
  background: var(--paper-100);
}
.explain-opt .key-term {
  flex: 1 1 100%;
  max-width: none;
  margin: 0.35rem 0 0;
}
.faq { border-bottom: 1px solid var(--rule); padding-bottom: 1rem; margin-top: 1rem; }
.pyq-faq { margin-top: 2.5rem; max-width: 40rem; }
.pyq-faq .faq h2 {
  font-family: var(--sans);
  font-size: 1.05rem;
  margin: 0 0 0.4rem;
}
.also-ask {
  margin: 2.25rem 0 0;
  max-width: 36rem;
  padding: 0.85rem 1rem 1rem;
  border: 1px dashed var(--rule);
  background: color-mix(in srgb, var(--paper-50) 70%, white);
}
.also-ask h2 {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0.2rem 0 0.75rem;
  color: var(--ink-500);
}
.also-ask ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.65rem;
}
.also-ask li {
  padding-top: 0.55rem;
  border-top: 1px solid var(--rule);
}
.also-ask li:first-child { border-top: 0; padding-top: 0; }
.also-ask details { margin: 0; }
.also-ask summary {
  list-style: none;
  cursor: pointer;
  color: var(--copper);
  font-family: var(--sans);
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.35;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}
.also-ask summary::-webkit-details-marker { display: none; }
.also-ask summary::after {
  content: "+";
  flex-shrink: 0;
  font-weight: 500;
  color: var(--ink-500);
}
.also-ask details[open] summary::after { content: "–"; }
.also-ask summary:hover { color: var(--ink); }
a.also-ask-next {
  text-decoration: none;
  color: var(--copper);
  font-family: var(--sans);
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.35;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}
a.also-ask-next::after {
  content: "→";
  flex-shrink: 0;
  font-weight: 500;
  color: var(--ink-500);
}
a.also-ask-next:hover { color: var(--ink); }
.also-ask-a {
  margin: 0.35rem 0 0;
  font-size: 0.88rem;
  color: var(--ink-500);
}
.pyq-trend {
  margin: 2.25rem 0 0;
  padding: 1rem 1.05rem 1.15rem;
  border: 1px solid var(--rule);
  background: var(--paper-50);
}
.pyq-trend h2 {
  margin: 0.15rem 0 0.4rem;
  font-size: 1.45rem;
}
.pyq-trend > .muted {
  max-width: 40rem;
  margin: 0 0 1rem;
  font-size: 0.92rem;
}
.pyq-trend-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.pyq-trend-list li {
  padding: 0.85rem 0;
  border-top: 1px solid var(--rule);
}
.pyq-trend-list li:first-child {
  border-top: 0;
  padding-top: 0;
}
.pyq-trend-list .kicker { margin: 0 0 0.28rem; }
.pyq-trend-list a {
  display: block;
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.35;
  color: var(--ink);
}
.pyq-trend-list a:hover { color: var(--copper); }
.pyq-trend-list p { margin: 0.35rem 0 0; }
.pyq-trend-list .pyq-soon { margin-top: 0.4rem; }
  margin: 0.45rem 0 0;
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--ink-500);
}
.year { font-size: 2rem; display: block; }
.stack { list-style: none; padding: 0; display: grid; gap: 1rem; }
.syllabus-list { list-style: none; padding: 0; }
.syllabus-list li { border-bottom: 1px solid var(--rule); padding: 0.8rem 0; }

.site-footer { margin-top: 4rem; border-top: 1px solid var(--rule); background: var(--ink); color: var(--paper); }
.footer-grid { padding: 3rem 0; }
.footer-name {
  font-size: 2rem;
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}
.footer-name .brand-wrap { font-size: 2rem; color: var(--paper); }
.footer-name .brand-ias { font-size: 1.55rem; }
.footer-blurb { color: color-mix(in srgb, var(--paper) 70%, transparent); max-width: 28rem; }
.footer-label { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.7rem; color: color-mix(in srgb, var(--paper) 50%, transparent); }
.site-footer a { color: color-mix(in srgb, var(--paper) 80%, transparent); }
.site-footer ul { list-style: none; padding: 0; }
.site-footer li { margin: 0.4rem 0; }
.copyright { text-align: center; font-size: 0.75rem; color: color-mix(in srgb, var(--paper) 40%, transparent); padding-bottom: 1.5rem; }
.footer-label + .contact-row { margin-top: 0.45rem; }
.footer-reach {
  margin: 0.65rem 0 0;
  font-size: 0.82rem;
  color: color-mix(in srgb, var(--paper) 70%, transparent);
}
.contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.95rem;
  list-style: none;
  padding: 0;
  margin: 0.55rem 0 0;
}
.contact-row a { font-weight: 600; font-size: 0.88rem; }
.contact-row.is-compact { margin-top: 0.4rem; }
.contact-row.is-compact a { font-size: 0.82rem; }
.contact-band {
  padding-top: 2.4rem;
  margin-top: 0.4rem;
  border-top: 1px solid var(--rule);
}
.contact-band .lede { max-width: 40rem; }
.uppsc-hero-lead {
  padding-top: 4rem;
}
.uppsc-teaser-card.is-hero {
  margin: 0;
  max-width: none;
  width: 100%;
}
.hero:has(.uppsc-hero-lead) .hero-grid {
  padding-top: 1.5rem;
}
.uppsc-teaser-card {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  padding: 1.35rem 1.5rem 1.4rem;
  border: 1px solid var(--rule);
  background: color-mix(in srgb, var(--paper-50) 88%, #efe6d4);
}
.uppsc-teaser-card h2 {
  margin: 0.15rem 0 0.45rem;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
}
.uppsc-teaser-card .lede {
  margin: 0;
  max-width: 42rem;
}
.uppsc-teaser-pill {
  display: inline-block;
  padding: 0.45rem 0.95rem;
  border: 1px solid color-mix(in srgb, var(--copper) 45%, var(--rule));
  color: var(--copper);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}
.contact-grid {
  list-style: none;
  padding: 0;
  margin: 1.6rem 0 0;
  display: grid;
  gap: 0.85rem;
}
.contact-card {
  display: block;
  border: 1px solid var(--rule);
  border-radius: 0.85rem;
  padding: 1.05rem 1.2rem 1.15rem;
  background: var(--paper);
}
.contact-card:hover { border-color: var(--ink); color: inherit; }
.contact-card h2 {
  font-size: 1.15rem;
  margin: 0.15rem 0 0.45rem;
}

.syllabus-heading {
  position: sticky;
  top: var(--site-header-h, var(--site-bar-h, 4.6rem));
  z-index: 37;
  margin: 0.35rem 0 0.55rem;
  padding: 0.45rem 0 0.55rem;
  background: var(--paper);
}
body.is-header-away .syllabus-heading {
  top: var(--site-strip-h, 3rem);
}
.picker-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem 1rem;
}
.picker-label {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 600;
  white-space: nowrap;
}
.picker-rule {
  width: 1px;
  height: 1.15rem;
  background: var(--rule);
  flex-shrink: 0;
}
.picker-years { margin-top: 0.75rem; }
.chip-row { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: 0.45rem; }
.chip-row.is-inline { margin-top: 0; }
.exam-home-switch {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem 0.8rem;
  margin: 0 0 1.1rem;
}
.chip {
  display: inline-block;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 0.42rem 1.05rem;
  font-size: 0.85rem;
  font-weight: 600;
}
.chip:hover { background: var(--ink); color: var(--paper); }
.chip.is-on { background: var(--ink); color: var(--paper); }
.optional-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1.1rem;
  margin-top: 0.35rem;
}
.optional-inline h1 { margin: 0; font-size: clamp(1.7rem, 3vw, 2.4rem); }
.lede.tight { margin-top: 0.6rem; }
.section.tight { padding-top: 1.4rem; }

.desk-head { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--rule); padding-bottom: 1rem; }
.desk-name { font-size: 1.6rem; margin: 0; }
.desk-head-actions { display: flex; align-items: center; gap: 0.85rem; flex-wrap: wrap; }
.desk-nav { display: flex; flex-wrap: wrap; gap: 0.9rem; padding: 1rem 0; font-size: 0.9rem; }
.desk-nav a.is-on { color: var(--copper); font-weight: 600; }
.desk { min-width: 0; }
.account-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  max-width: 36rem;
}
.account-top h1 { margin: 0.35rem 0 0; }
.account-edit-link {
  color: var(--copper);
  font-size: 0.88rem;
  font-weight: 600;
  flex-shrink: 0;
}
.account-edit-link:hover { color: var(--ink); }
.account-signout { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--rule); max-width: 36rem; }
.account-facts {
  display: grid;
  gap: 0;
  margin: 1.5rem 0 0;
  max-width: 36rem;
  border-top: 1px solid var(--rule);
}
.account-facts div {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1rem;
  align-items: center;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rule);
}
.account-facts dt { color: var(--ink-500); font-size: 0.82rem; }
.account-facts dd { margin: 0; font-weight: 600; }
.account-fact-email { align-items: start; }
.account-fact-email dd {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.55rem;
  font-weight: 600;
}
.account-email-line { word-break: break-all; }
.account-google {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.2rem;
  padding: 0.28rem 0.9rem;
  border: 1px solid var(--copper);
  border-radius: 999px;
  background: color-mix(in srgb, var(--copper) 16%, var(--paper));
  color: var(--copper);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
}
.account-google:hover {
  background: var(--copper);
  border-color: var(--copper);
  color: var(--paper);
}
.account-google-hint {
  margin: 0;
  color: var(--ink-500);
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.4;
}
.account-verified {
  display: inline-flex;
  align-items: center;
  min-height: 1.7rem;
  padding: 0.12rem 0.65rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--good) 14%, var(--paper));
  color: var(--forest);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.account-inline {
  width: 100%;
  border: 0;
  background: transparent;
  padding: 0;
  font: inherit;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--copper);
  border-radius: 0;
}
.account-inline:focus { outline: none; }
.account-actions { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-top: 1.15rem; max-width: 36rem; }
.streak-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  border: 1px solid color-mix(in srgb, var(--copper) 55%, var(--rule));
  background: color-mix(in srgb, var(--copper) 12%, var(--paper-50));
  color: var(--ink);
  border-radius: 999px;
  padding: 0.32rem 0.75rem;
  font-weight: 700;
  font-size: 0.95rem;
}
.streak-chip:hover { color: var(--ink); }
.streak-chip.is-warn { border-style: dashed; }

.practice-layout {
  display: grid;
  gap: 1.5rem;
  margin-top: 0.4rem;
  grid-template-areas:
    "intro"
    "side"
    "main";
}
.practice-intro { grid-area: intro; min-width: 0; }
.practice-intro .lede { margin-bottom: 0; }
.practice-main { grid-area: main; min-width: 0; }
.practice-main .practice-h:first-child { margin-top: 0; }
.streak-side { grid-area: side; min-width: 0; }
.practice-h { font-size: 1.25rem; margin: 1.6rem 0 0.7rem; }
.daily-grid { display: grid; gap: 1rem; }
.daily-card h3 { font-size: 1.05rem; margin: 0.45rem 0 0.35rem; overflow-wrap: anywhere; }
.daily-card .btn { margin-top: 0.85rem; }
.daily-done { color: var(--forest); font-size: 0.82rem; font-weight: 600; margin: 0.6rem 0 0; }
.heatmap-card {
  border: 1px solid var(--rule);
  background: var(--paper-50);
  padding: 1rem 1.1rem 0.9rem;
  margin-top: 0.4rem;
  min-width: 0;
}
.heatmap-head { margin-bottom: 0.6rem; }
.heatmap-head h2 { margin: 0; }
.heatmap-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.3rem;
  min-width: 0;
}
.heatmap { min-width: 42rem; }
.heatmap-months, .heatmap-body { display: flex; gap: 3px; }
.heatmap-months { margin-bottom: 0.2rem; min-height: 1rem; }
.heatmap-gutter, .heatmap-wdays { width: 0.85rem; flex-shrink: 0; }
.heatmap-month-slot {
  width: 11px;
  font-size: 0.62rem;
  color: var(--ink-500);
  overflow: visible;
  white-space: nowrap;
}
.heatmap-wdays {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 0.58rem;
  color: var(--ink-500);
  padding-top: 0;
}
.heatmap-wdays span { height: 11px; line-height: 11px; }
.heatmap-grid { display: flex; gap: 3px; }
.heatmap-week { display: flex; flex-direction: column; gap: 3px; }
.heat-cell {
  width: 11px;
  height: 11px;
  border-radius: 2px;
  background: #ebe4d6;
  display: inline-block;
}
.heat-cell.l1 { background: #f3c7a8; }
.heat-cell.l2 { background: #e08950; }
.heat-cell.l3 { background: #c45c26; }
.heat-cell.l4 { background: #7a3010; }
.heat-cell.is-today { outline: 1px solid var(--ink); outline-offset: 0; }
.heat-cell.is-future { visibility: hidden; }
.heatmap-legend {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 3px;
  margin-top: 0.65rem;
  font-size: 0.68rem;
  color: var(--ink-500);
}
.heatmap-legend .heat-cell { visibility: visible; }
.streak-side { display: grid; gap: 0.9rem; align-content: start; }
.streak-card {
  border: 1px solid var(--rule);
  background: var(--paper-50);
  padding: 1.3rem 1.15rem 1.2rem;
  text-align: center;
}
.streak-card.is-hot {
  border-color: color-mix(in srgb, var(--copper) 50%, var(--rule));
  background: linear-gradient(180deg, #fff6ee 0%, var(--paper-50) 100%);
}
.streak-fire {
  font-size: 2.4rem;
  margin: 0 0 0.2rem;
  line-height: 1;
  display: inline-block;
  transform-origin: 50% 85%;
  animation: fire-burn 0.55s ease-in-out infinite;
  filter: saturate(1.85) hue-rotate(-14deg) contrast(1.2);
}
.streak-fire.is-out {
  animation: none;
  filter: grayscale(1);
  opacity: 0.45;
}
.streak-card.is-hot .streak-fire { filter: saturate(1.85) hue-rotate(-14deg) contrast(1.2); opacity: 1; }
.streak-num { font-family: var(--serif); font-size: 3rem; line-height: 1; margin: 0; }
.streak-label { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.68rem; color: var(--copper); margin: 0.35rem 0 0.6rem; }
.streak-status { font-size: 0.85rem; color: var(--ink-500); margin: 0; }
.streak-meta { display: grid; gap: 0.55rem; margin: 0; }
.streak-meta div {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--rule);
  padding: 0.35rem 0;
  font-size: 0.88rem;
}
.streak-meta dt { color: var(--ink-500); }
.streak-meta dd { margin: 0; font-weight: 600; }
.practice-body { margin-top: 1.25rem; }
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  min-width: 0;
}

.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; margin-top: 1.5rem; }
.table th { text-align: left; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-500); }
.table td, .table th { padding: 0.7rem 0.4rem; border-top: 1px solid var(--rule); }
.delete-draft { margin: 0.45rem 0 0; }
.delete-draft.is-inline { margin: 0; }
.delete-draft.is-inline .btn { padding: 0.28rem 0.7rem; font-size: 0.78rem; }
.desk-row-actions { gap: 0.4rem; align-items: center; }
.stack-form { display: grid; gap: 1rem; margin-top: 1.5rem; }
.stack-form label { font-size: 0.9rem; display: grid; gap: 0.35rem; }
#answer-form.is-objective .js-subjective { display: none !important; }
#answer-form:not(.is-objective) .js-objective { display: none !important; }
.answer-form-actions {
  position: sticky;
  bottom: 0;
  z-index: 6;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0.25rem 0 0;
  padding: 0.75rem 0 0.4rem;
  background: var(--paper);
  border-top: 1px solid var(--rule);
}
.desk-model-note {
  margin: 0 0 0.75rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--copper);
  background: color-mix(in srgb, var(--copper) 10%, var(--paper));
  color: var(--ink);
  font-size: 0.95rem;
  line-height: 1.4;
}
.desk-model-note.is-on { display: block; }
.desk-fold {
  border: 1px solid var(--rule);
  background: var(--paper-50);
}
.desk-fold > summary {
  cursor: pointer;
  list-style: none;
  padding: 0.7rem 0.9rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  user-select: none;
}
.desk-fold > summary::-webkit-details-marker { display: none; }
.desk-fold > summary::after {
  content: "+";
  float: right;
  color: var(--copper);
  font-weight: 700;
}
.desk-fold[open] > summary::after { content: "–"; }
.desk-fold-body {
  display: grid;
  gap: 0.85rem;
  padding: 0 0.9rem 1rem;
}
.visuals-desk {
  display: grid;
  gap: 0.75rem;
  padding: 0.85rem 0.9rem 1rem;
  border: 1px solid var(--rule);
  background: var(--paper-50);
}
.visuals-desk[hidden] { display: none !important; }
.visuals-desk-head {
  display: grid;
  gap: 0.25rem;
  margin: 0;
  font-size: 0.9rem;
}
.visual-card {
  display: grid;
  gap: 0.55rem;
  padding: 0.75rem 0 0;
  border-top: 1px solid var(--rule);
}
.visual-card:first-child { border-top: 0; padding-top: 0; }
.visual-card-head {
  display: flex;
  gap: 0.65rem;
  align-items: center;
}
.visual-card-head input { flex: 1; min-width: 0; }
.visual-remove { flex: 0 0 auto; }
.visual-svg {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.75rem;
  line-height: 1.35;
}
.visual-card .key-term-art {
  border: 1px solid var(--rule);
}
.login-form { display: grid; gap: 1rem; margin-top: 1.5rem; max-width: 24rem; }
.login-form.is-signup { max-width: 28rem; }
.login-form label { display: grid; gap: 0.35rem; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; }
.auth-or {
  max-width: 24rem;
  margin: 1rem 0 0;
  color: var(--ink-500);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.btn-google {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.6rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}
.btn-google:hover { border-color: var(--copper); color: var(--copper); }
.exam-choice {
  border: 0;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}
.exam-choice legend {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.15rem;
}
.exam-choice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
}
.login-form .exam-choice-card {
  display: grid;
  gap: 0.12rem;
  margin: 0;
  padding: 0.72rem 0.8rem 0.78rem;
  border: 1px solid var(--rule);
  background: var(--paper);
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
  position: relative;
}
.exam-choice-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.exam-choice-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
}
.exam-choice-meta {
  font-size: 0.75rem;
  color: var(--ink-500);
}
.exam-choice-card:hover {
  border-color: color-mix(in srgb, var(--copper) 55%, var(--rule));
}
.exam-choice-card:has(input:checked) {
  border-color: var(--copper);
  background: color-mix(in srgb, var(--copper) 9%, var(--paper));
  box-shadow: inset 0 0 0 1px var(--copper);
}
.exam-choice-card:has(input:focus-visible) {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}
.login-form.is-signup .signup-pass,
.login-form.is-signup .signup-pass-submit {
  display: none;
}
.login-form.is-signup:has([name="auth_method"][value="password"]:checked) .signup-pass {
  display: grid;
}
.login-form.is-signup:has([name="auth_method"][value="password"]:checked) .signup-pass-submit {
  display: block;
}
.login-form.is-signup:has([name="auth_method"][value="password"]:checked) .signup-otp-submit {
  display: none;
}
@media (max-width: 479px) {
  .exam-choice-grid { grid-template-columns: 1fr; }
}
.error { color: var(--copper); }
.note { border: 1px solid color-mix(in srgb, var(--copper) 40%, var(--rule)); background: var(--paper-100); padding: 0.8rem; }
.architect { white-space: pre-wrap; border: 1px solid var(--rule); background: var(--paper-100); padding: 1rem; font-size: 0.9rem; line-height: 1.6; }
.desk-chat {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}
.desk-chat-head h2 {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.desk-chat-head p { margin: 0.25rem 0 0; }
.desk-chat-scopes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.desk-chat-scopes button {
  font: inherit;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink-500);
  cursor: pointer;
}
.desk-chat-scopes button.is-on {
  border-color: var(--ink);
  color: var(--paper);
  background: var(--ink);
}
.desk-chat-scopes button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}
.desk-chat-log {
  min-height: 2.5rem;
  max-height: 12rem;
  overflow-y: auto;
  display: grid;
  gap: 0.55rem;
  padding: 0.65rem 0.75rem;
  background: var(--paper);
  border: 1px solid var(--rule);
}
.desk-chat-log:empty {
  display: none;
}
.desk-chat-line {
  margin: 0;
  display: grid;
  gap: 0.15rem;
  font-size: 0.95rem;
  line-height: 1.5;
  white-space: pre-wrap;
}
.desk-chat-line span:first-child {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.desk-chat-line.is-user span:first-child { color: var(--copper); }
.desk-chat-input-label { margin: 0; }
.desk-chat #desk-chat-input {
  min-height: 8rem;
  font-size: 1rem;
  line-height: 1.5;
}
.flash { padding: 0.8rem 0 0; color: var(--forest); }
.center { text-align: center; padding-top: 6rem; }
.span-2 { grid-column: 1 / -1; }

@media (max-width: 1099px) {
  .bar { flex-wrap: wrap; }
  .nav {
    order: 5;
    flex: 1 0 100%;
    padding: 0.15rem 0 0.2rem;
    padding-left: 0;
    border-left: 0;
    gap: 0.2rem;
    overflow-x: auto;
    flex-wrap: nowrap;
  }
  .nav a { padding: 0.4rem 0.72rem; font-size: 0.84rem; }
  .strip-inner {
    flex-wrap: nowrap;
    gap: 0.28rem;
    padding: 0.42rem 0;
    font-size: 0.82rem;
    letter-spacing: 0.02em;
    scroll-snap-type: x proximity;
    overscroll-behavior-x: contain;
  }
  .strip-inner a {
    padding: 0.36rem 0.7rem;
    scroll-snap-align: start;
  }
  .strip-gap { margin: 0 0.35rem; }
}
@media (max-width: 767px) {
  .bar {
    flex-wrap: wrap;
    align-items: center;
    column-gap: 0.55rem;
    row-gap: 0.45rem;
    padding: 0.55rem 0 0.5rem;
  }
  .bar-lead { display: contents; }
  .brand {
    order: 1;
    flex: 1 1 auto;
    min-width: 0;
  }
  .header-cta {
    order: 2;
    margin-left: 0;
  }
  .header-cta .btn-outline { display: none; }
  .bar .exam-toggle {
    order: 3;
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    flex: 1 0 100%;
    padding: 0.16rem;
    border-radius: 0.7rem;
    gap: 0.16rem;
  }
  .exam-btn {
    display: block;
    text-align: center;
    padding: 0.5rem 0.4rem;
    font-size: 0.88rem;
    letter-spacing: 0.02em;
  }
  .nav {
    order: 4;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
    overflow: visible;
    gap: 0.15rem;
    padding: 0.05rem 0 0.1rem;
  }
  .nav-full { display: none; }
  .nav-short { display: inline; }
  .nav a {
    text-align: center;
    padding: 0.4rem 0.12rem;
    font-size: 0.72rem;
    font-weight: 600;
    white-space: nowrap;
  }
  .brand-tag { display: none; }
  .page { padding: 1.35rem 0 3rem; }
  .hero-grid { padding: 2.1rem 0; }
  .uppsc-hero-lead { padding-top: 2.1rem; }
  .hero:has(.uppsc-hero-lead) .hero-grid { padding-top: 1.1rem; }
  .strip-inner a { padding: 0.4rem 0.78rem; }
  .paper-strip .wrap {
    width: 100%;
    padding-left: 0.9rem;
    padding-right: 1.6rem;
  }
  .paper-strip::after {
    content: "";
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 1.85rem;
    background: linear-gradient(to right, transparent, var(--ink));
    pointer-events: none;
  }
  .desk-nav {
    gap: 0.35rem;
    padding: 0 0 0.85rem;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .desk-nav::-webkit-scrollbar { display: none; }
  .desk-nav.is-student { display: none; }
  .desk-nav a {
    flex-shrink: 0;
    padding: 0.35rem 0.7rem;
    border: 1px solid var(--rule);
    border-radius: 999px;
    background: var(--paper-50);
    white-space: nowrap;
    font-size: 0.82rem;
  }
  .desk-nav a.is-on {
    background: var(--ink);
    color: var(--paper);
  }
  .streak-card {
    display: flex;
    align-items: center;
    text-align: left;
    gap: 0.85rem;
    padding: 0.9rem 1rem;
  }
  .streak-fire { font-size: 1.85rem; margin: 0; }
  .streak-num { font-size: 2.1rem; }
  .streak-label { margin: 0.1rem 0 0.35rem; }
  .streak-meta {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0;
  }
  .streak-meta div {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.15rem;
    border-bottom: 0;
    padding: 0.15rem 0.65rem 0.15rem 0;
    border-right: 1px solid var(--rule);
  }
  .streak-meta div:last-child { border-right: 0; padding-right: 0; }
  .daily-card .btn { display: block; text-align: center; }
  .table { min-width: 28rem; }
}
@media (max-width: 959px) {
  .page-head {
    flex-direction: column;
    align-items: stretch;
  }
  .page-head-dl-group {
    align-items: stretch;
    width: 100%;
    margin-top: 0.15rem;
  }
  .page-head-dl { text-align: center; }
  .answer-toolbar .btn { text-align: center; }
}
@media (max-width: 479px) {
  .facts-rail dl { grid-template-columns: 1fr; }
}
@media (max-width: 639px) {
  .bar { gap: 0.45rem 0.55rem; }
  .header-cta .btn { padding: 0.32rem 0.78rem; }
  .pyq-dl {
    flex-direction: column;
    align-items: stretch;
  }
  .pyq-dl-actions {
    justify-content: stretch;
    width: 100%;
    flex: 1 1 auto;
  }
  .pyq-dl .btn {
    flex: 1 1 calc(50% - 0.5rem);
  }
  .pyq-soon { white-space: normal; }
  .get-split { grid-template-columns: 1fr; }
  .hero-panel { padding: 1.4rem 1.2rem 1.3rem; }
}
@media (min-width: 768px) {
  .brand-wrap { font-size: 2rem; }
  .brand-ias { font-size: 1.55rem; }
  .hero-grid { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .paper-grid { grid-template-columns: 1fr 1fr; }
  .practice-layout {
    grid-template-areas:
      "intro side"
      "main side";
    grid-template-columns: minmax(0, 1fr) 14.5rem;
    align-items: start;
  }
  .daily-grid { grid-template-columns: 1fr 1fr; }
  .feature-carousel { --cards: 2; --gap: 1rem; }
}

.with-facts {
  --facts-w: 17.5rem;
  display: grid;
  gap: 1.25rem 2rem;
  align-items: start;
  grid-template-areas:
    "lead"
    "facts"
    "main";
}
.wrap.page.with-facts {
  width: calc(100% - 2.5rem);
  max-width: none;
}
.with-facts .facts-lead .lede {
  max-width: none;
}
.with-facts.is-facts-stack {
  grid-template-areas:
    "lead"
    "facts"
    "main";
  grid-template-columns: minmax(0, 1fr);
  width: min(72rem, calc(100% - 2rem));
  max-width: none;
}
.with-facts.is-facts-stack .facts-rail {
  position: relative;
  top: auto;
  width: 100%;
}
@media (min-width: 960px) {
  .with-facts.is-facts-stack {
    grid-template-areas:
      "lead"
      "facts"
      "main";
    grid-template-columns: minmax(0, 1fr);
    width: min(72rem, calc(100% - 2rem));
  }
  .with-facts.is-facts-stack.is-facts-wide {
    width: min(72rem, calc(100% - 2rem));
  }
  .with-facts.is-facts-stack {
    --facts-w: 100%;
  }
  .with-facts.is-facts-stack .facts-handle,
  .with-facts.is-facts-stack .facts-toggle,
  .with-facts.is-facts-stack .facts-shut-label {
    display: none;
  }
  .with-facts.is-facts-stack .facts-fold {
    display: flex;
  }
  .with-facts.is-facts-stack .facts-rail {
    display: block;
    padding: 0;
    position: relative;
    top: auto;
  }
  .with-facts.is-facts-stack .facts-rail-body {
    display: none;
    max-height: none;
    padding: 0.35rem 1rem 1.05rem;
  }
  .with-facts.is-facts-stack.is-facts-open .facts-rail-body {
    display: block;
  }
  .with-facts.is-facts-stack.is-facts-shut {
    gap: 1.25rem;
  }
  .with-facts.is-facts-stack.is-facts-shut .facts-rail-body {
    display: none;
  }
}
.facts-lead { grid-area: lead; min-width: 0; }
.facts-main { grid-area: main; min-width: 0; }
.facts-rail { grid-area: facts; }
.with-facts.is-facts-short { --facts-w: 13rem; }
.with-facts.is-facts-medium { --facts-w: 17.5rem; }
.with-facts.is-facts-wide { --facts-w: 24rem; }
.with-facts.is-facts-shut { --facts-w: 2.4rem; }
.with-facts.is-facts-drag { user-select: none; }
.facts-rail {
  position: relative;
  border: 1px solid var(--rule);
  background: var(--paper-50);
  padding: 1.15rem 1.2rem 1.3rem;
  box-shadow: 0 18px 50px -28px rgba(11, 31, 51, 0.35);
  min-width: 0;
}
.facts-handle {
  display: none;
  position: relative;
  grid-column: 1;
  grid-row: 2;
  width: 100%;
  min-height: 3rem;
  z-index: 1;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: col-resize;
  touch-action: none;
}
.facts-handle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 55%;
  width: 3px;
  height: 2.4rem;
  transform: translate(-50%, -50%);
  border-radius: 99px;
  background: color-mix(in srgb, var(--ink) 28%, var(--rule));
}
.facts-handle:hover::after,
.facts-handle:focus-visible::after,
.is-facts-drag .facts-handle::after {
  background: var(--copper);
}
.facts-shut-label {
  display: none;
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 600;
  writing-mode: vertical-rl;
  white-space: nowrap;
}
.facts-toggle {
  display: none;
  position: relative;
  grid-column: 1;
  grid-row: 1;
  z-index: 5;
  align-self: start;
  justify-self: stretch;
  margin: 0;
  border: 0;
  padding: 0.7rem 0;
  background: var(--copper);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1;
  writing-mode: sideways-lr;
  text-orientation: sideways;
  cursor: pointer;
  pointer-events: auto;
  -webkit-font-smoothing: antialiased;
}
@supports not (writing-mode: sideways-lr) {
  .facts-toggle { writing-mode: vertical-rl; }
}
.facts-toggle:hover,
.facts-toggle:focus-visible {
  background: var(--ink);
  color: var(--paper);
}
.facts-rail h2 { font-size: 1.25rem; margin: 0.35rem 0 0.9rem; }
.fact-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}
.fact-card {
  margin: 0;
  padding: 0.8rem 0.85rem 0.85rem 0.9rem;
  background: color-mix(in srgb, var(--paper-50) 70%, #fff);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--copper);
  box-shadow: 0 12px 28px -24px rgba(11, 31, 51, 0.4);
}
.fact-name {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
}
.fact-copy {
  margin: 0.35rem 0 0;
  font-size: 0.84rem;
  line-height: 1.5;
  color: var(--ink-500);
}
.fact-why {
  margin: 0.55rem 0 0;
  padding-top: 0.45rem;
  border-top: 1px solid var(--rule);
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--ink-500);
}
.fact-why-kicker {
  display: block;
  margin: 0 0 0.12rem;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--copper);
}
.facts-rail .facts-note { margin: 1rem 0 0; }
.facts-group {
  margin-top: 0.95rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--rule);
}
.facts-group:first-of-type { margin-top: 0.15rem; padding-top: 0; border-top: 0; }
.facts-group h3 {
  font-size: 0.92rem;
  margin: 0 0 0.35rem;
  line-height: 1.3;
}
.facts-group h3 a:hover { color: var(--copper); }
.facts-fold { display: none; }
.with-facts.is-archive .official-syllabus,
.with-facts.is-archive .syllabus-split { max-width: none; }
.with-facts .facts-main.section { padding-top: 0; }

@media (min-width: 960px) {
  .with-facts {
    grid-template-areas:
      "lead lead"
      "main facts";
    grid-template-columns: minmax(0, 1fr) var(--facts-w);
  }
  .with-facts.is-facts-wide { width: calc(100% - 2.5rem); }
  .facts-handle { display: block; }
  .facts-toggle { display: block; }
  .facts-rail {
    display: grid;
    grid-template-columns: 1.55rem minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr);
    align-items: stretch;
    position: sticky;
    top: 5.5rem;
    overflow: visible;
    padding: 0;
  }
  .facts-rail-body {
    grid-column: 2;
    grid-row: 1 / -1;
    min-width: 0;
    padding: 0.95rem 0.95rem 1.15rem;
    max-height: calc(100vh - 7rem);
    overflow: auto;
  }
  body.is-header-away .facts-rail { top: 3.25rem; }
  body.is-header-away .facts-rail-body { max-height: calc(100vh - 4.5rem); }
  .with-facts.is-facts-shut { gap: 0.85rem; }
  .with-facts.is-facts-shut .facts-rail {
    display: block;
    padding: 0.9rem 0.35rem;
    overflow: hidden;
    cursor: pointer;
  }
  .with-facts.is-facts-shut .facts-rail-body,
  .with-facts.is-facts-shut .facts-handle,
  .with-facts.is-facts-shut .facts-toggle { display: none; }
  .with-facts.is-facts-shut .facts-shut-label { display: block; }
}
@media (min-width: 1100px) {
  .bar { gap: 1rem 1.4rem; }
  .bar-lead { gap: 0.85rem 3rem; }
  .nav { gap: 0.3rem 0.55rem; }
  .nav a { padding: 0.4rem 0.8rem; }
  .daily-grid { grid-template-columns: 1fr 1fr 1fr; }
  .feature-carousel { --cards: 4; }
}

@media (min-width: 1280px) {
  .brand-wrap { font-size: 2.15rem; }
  .brand-ias { font-size: 1.75rem; }
  .nav { gap: 0.35rem 0.75rem; padding-left: 1.4rem; }
  .nav a { padding: 0.42rem 0.9rem; }
}

@media (max-width: 959px) {
  .facts-fold {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    width: 100%;
    margin: 0;
    padding: 0.85rem 1rem;
    border: 0;
    background: transparent;
    font-family: var(--sans);
    color: inherit;
    cursor: pointer;
    text-align: left;
  }
  .facts-fold-copy {
    display: flex;
    flex-direction: column;
    gap: 0.12rem;
    min-width: 0;
  }
  .facts-fold .kicker { margin: 0; }
  .facts-fold-copy .facts-lead-line {
    font-size: 0.82rem;
    color: var(--ink-500);
    line-height: 1.35;
  }
  .facts-fold-count {
    font-size: 0.82rem;
    color: var(--ink-500);
  }
  .facts-fold-action {
    flex-shrink: 0;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--paper);
    background: var(--copper);
    padding: 0.42rem 0.85rem;
    border-radius: 999px;
  }
  .facts-rail {
    padding: 0;
    box-shadow: none;
  }
  .facts-rail-body {
    display: none;
    padding: 0.35rem 1rem 1.05rem;
  }
  .facts-rail-head { margin-bottom: 0.55rem; }
  .facts-toggle,
  .facts-handle,
  .facts-shut-label { display: none !important; }
  .with-facts.is-facts-open .facts-rail-body { display: block; }
  .with-facts.is-facts-open .facts-fold {
    border-bottom: 1px solid var(--rule);
  }
  .syllabus-split .syllabus-block {
    padding: 0.95rem 0.95rem 1.05rem;
  }
  .syllabus-split .syllabus-block h2,
  .syllabus-items li,
  .syllabus-line {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 0.4rem;
    row-gap: 0.4rem;
    align-items: start;
    justify-content: start;
  }
  .syllabus-num {
    grid-column: 1;
    grid-row: 1;
    min-width: 0;
    margin-top: 0.18rem;
  }
  .syllabus-title,
  .syllabus-line-text {
    grid-column: 2;
    grid-row: 1;
    flex: none;
    min-width: 0;
  }
  .syllabus-pyq {
    grid-column: 2;
    grid-row: 2;
    margin: 0;
    min-width: 0;
    justify-self: start;
  }
  .syllabus-line:not(:has(.syllabus-num)),
  .syllabus-split .syllabus-block h2:not(:has(.syllabus-num)) {
    grid-template-columns: minmax(0, 1fr);
  }
  .syllabus-line:not(:has(.syllabus-num)) .syllabus-title,
  .syllabus-line:not(:has(.syllabus-num)) .syllabus-line-text,
  .syllabus-split .syllabus-block h2:not(:has(.syllabus-num)) .syllabus-title {
    grid-column: 1;
  }
  .syllabus-line:not(:has(.syllabus-num)) .syllabus-pyq,
  .syllabus-split .syllabus-block h2:not(:has(.syllabus-num)) .syllabus-pyq {
    grid-column: 1;
  }
}
@media (max-width: 479px) {
  .facts-rail dl { grid-template-columns: 1fr; }
}

.mcq-board { margin-top: 1.15rem; }
.mcq-list {
  display: grid;
  gap: 1rem;
  min-width: 0;
}
.quiz-score {
  font-size: 0.9rem;
  color: var(--ink-700);
}
.mcq-board > .quiz-score {
  position: sticky;
  top: 4.6rem;
  z-index: 8;
  padding: 0.55rem 0;
  margin-bottom: 0.9rem;
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(8px);
}
.quiz-score p { margin: 0; }
.quiz-score [data-quiz-correct] { color: var(--good); }
.quiz-score [data-quiz-wrong] { color: var(--wrong); }

.prelims-paper {
  overflow: visible;
  min-width: 0;
  max-width: 100%;
}
.q-scrub {
  position: sticky;
  top: calc(var(--site-header-h, var(--site-bar-h, 4.6rem)) + var(--year-chips-h, 0px));
  z-index: 36;
  align-self: start;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, max-content) minmax(0, 1fr);
  align-items: center;
  gap: 0.35rem 1.15rem;
  margin: 0 0 1rem;
  padding: 0.45rem 1rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  box-shadow: 0 10px 24px -18px rgba(11, 31, 51, 0.45);
}
body.is-header-away .q-scrub {
  top: calc(var(--site-strip-h, 3rem) + var(--year-chips-h, 0px));
}
.q-scrub .quiz-score {
  padding: 0;
  border: 0;
  font-size: 0.82rem;
  min-width: 0;
}
.q-scrub-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.7rem;
}
.q-scrub-end {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink-500);
  min-width: 1.6rem;
}
.q-scrub-end:last-child { text-align: right; }
.q-scrub-track {
  position: relative;
  height: 2.4rem;
  display: flex;
  align-items: center;
}
.q-scrub-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 0.35rem;
  margin: 0;
  --q-fill: 0%;
  background: linear-gradient(to right, var(--copper) var(--q-fill), var(--rule) var(--q-fill));
  border-radius: 999px;
  outline: none;
  cursor: grab;
}
.q-scrub-range:active { cursor: grabbing; }
.q-scrub-range::-webkit-slider-runnable-track {
  height: 0.35rem;
  background: linear-gradient(to right, var(--copper) var(--q-fill), var(--rule) var(--q-fill));
  border-radius: 999px;
}
.q-scrub-range::-moz-range-track {
  height: 0.35rem;
  background: linear-gradient(to right, var(--copper) var(--q-fill), var(--rule) var(--q-fill));
  border-radius: 999px;
  border: 0;
}
.q-scrub-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 3.4rem;
  height: 2.05rem;
  margin-top: calc((2.05rem - 0.35rem) / -2);
  background: transparent;
  border: 0;
}
.q-scrub-range::-moz-range-thumb {
  width: 3.4rem;
  height: 2.05rem;
  background: transparent;
  border: 0;
}
.q-scrub-chip {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translate(-50%, -50%);
  pointer-events: none;
  padding: 0.32rem 0.85rem;
  min-width: 3.2rem;
  text-align: center;
  background: var(--copper);
  border-color: var(--copper);
  color: var(--paper);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--ink) 12%, transparent);
}
.q-scrub-chip.chip.is-on {
  background: var(--copper);
  border-color: var(--copper);
  color: var(--paper);
}
.q-scrub ~ .mcq-board .mcq,
.q-scrub ~ .pyq-list .pyq-card,
[data-quiz] .mcq,
[data-quiz] .pyq-card {
  scroll-margin-top: calc(var(--site-header-h, var(--site-bar-h, 4.6rem)) + 5.5rem);
}
body.is-header-away .q-scrub ~ .mcq-board .mcq,
body.is-header-away [data-quiz] .mcq {
  scroll-margin-top: 5.5rem;
}

@media (max-width: 767px) {
  .q-scrub {
    width: 100%;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 0.22rem 0.7rem 0.28rem;
  }
  .q-scrub .quiz-score {
    font-size: 0.7rem;
    letter-spacing: -0.01em;
  }
  .q-scrub-end {
    min-width: 1.1rem;
    font-size: 0.68rem;
  }
  .q-scrub-row { gap: 0.45rem; }
  .q-scrub-track { height: 1.85rem; }
  .q-scrub-range {
    height: 1.85rem;
    background:
      linear-gradient(to right, var(--copper) var(--q-fill), var(--rule) var(--q-fill))
      no-repeat center / 100% 0.28rem;
  }
  .q-scrub-range::-webkit-slider-runnable-track {
    height: 0.28rem;
  }
  .q-scrub-range::-webkit-slider-thumb {
    width: 2.8rem;
    height: 1.55rem;
    margin-top: calc((1.55rem - 0.28rem) / -2);
  }
  .q-scrub-range::-moz-range-track { height: 0.28rem; }
  .q-scrub-range::-moz-range-thumb {
    width: 2.8rem;
    height: 1.55rem;
  }
  .q-scrub-chip {
    padding: 0.18rem 0.5rem;
    min-width: 2.6rem;
    font-size: 0.72rem;
  }
  [data-quiz] .mcq,
  [data-quiz] .pyq-card {
    scroll-margin-top: calc(var(--site-header-h, 8rem) + 5.2rem);
  }
}

.year-scrub.q-scrub {
  grid-template-columns: 1fr;
  gap: 0.12rem;
  align-items: stretch;
}
.facts-main > .year-scrub,
.facts-main .year-scrub {
  position: sticky;
}
.subject-scrub.has-scrub-label {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.45rem 0.85rem;
}
.subject-scrub.has-scrub-label .picker-label {
  margin: 0;
  padding-left: 0.1rem;
}
.subject-scrub.has-scrub-label .year-scrub-row { min-width: 0; }
.year-scrub-row { min-width: 0; }
.year-scrub-track {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.12rem 0.15rem 0.2rem;
  scroll-behavior: smooth;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.year-scrub-track::-webkit-scrollbar { display: none; }
.year-scrub-year {
  flex: 0 0 auto;
  padding: 0.28rem 0.78rem;
  font-size: 0.8rem;
  white-space: nowrap;
}
.year-scrub-year.chip.is-on,
.year-scrub-year.chip.is-on:hover {
  background: var(--copper);
  border-color: var(--copper);
  color: var(--paper);
}
.year-scrub ~ .year-block {
  margin-top: 1.35rem;
  scroll-margin-top: calc(var(--site-header-h, var(--site-bar-h, 4.6rem)) + 5.4rem);
}
.year-scrub ~ .year-block:first-of-type { margin-top: 0.35rem; }
body.is-header-away .year-scrub ~ .year-block {
  scroll-margin-top: 5.4rem;
}
.subject-scrub ~ .syllabus-split .syllabus-block {
  scroll-margin-top: calc(var(--site-header-h, var(--site-bar-h, 4.6rem)) + 5.2rem);
}
body.is-header-away .subject-scrub ~ .syllabus-split .syllabus-block {
  scroll-margin-top: 5.2rem;
}
.notes-paper {
  overflow: visible;
}
.notes-paper .subject-scrub {
  margin-top: 0.35rem;
}
.notes-block { margin: 1.4rem 0 1.8rem; }
.notes-block h2 { margin: 0 0 0.55rem; font-size: 1.15rem; }
.notes-copy { font-size: 0.98rem; line-height: 1.55; }
.notes-copy p { margin: 0 0 0.7rem; }

.anth-notes { display: grid; gap: 1.1rem; margin: 0 0 1.6rem; }
.anth-notes-lead { margin-bottom: 1.8rem; }
.anth-notes-lead .kicker { margin-bottom: 0.55rem; }
.anth-note-card {
  border: 1px solid var(--rule);
  background: var(--paper-50);
  border-radius: 0.55rem;
  padding: 1rem 1.1rem 1.05rem;
  box-shadow: 0 14px 40px -30px rgba(11, 31, 51, 0.28);
}
.anth-note-heading {
  margin: 0 0 0.75rem;
  font-size: 1.08rem;
  line-height: 1.35;
  color: var(--ink);
}
.anth-note-part { margin-top: 0.65rem; }
.anth-note-part:first-of-type { margin-top: 0; }
.anth-note-label {
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.anth-note-text {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.55;
}
.anth-note-list {
  margin: 0;
  padding-left: 1.15rem;
  font-size: 0.94rem;
  line-height: 1.5;
}
.anth-note-list li + li { margin-top: 0.35rem; }
.anth-note-thinkers li { color: var(--ink); }

.notes-topic-page .facts-main { max-width: 46rem; }
.anth-notes-model { margin: 0 0 1.8rem; }
.anth-notes-model .anth-notes-title {
  margin: 0 0 0.85rem;
  font-size: 1.35rem;
}
.anth-notes-model .pills { margin: 0 0 1.15rem; }
.anth-note-topic + .anth-note-topic {
  margin-top: 1.6rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
}
.anth-note-topic-title {
  margin: 0 0 0.75rem;
  font-family: var(--serif);
  font-size: 1.22rem;
  line-height: 1.35;
  color: var(--ink);
  padding-bottom: 0.3rem;
  border-bottom: 2px solid color-mix(in srgb, var(--copper) 55%, var(--rule));
}
.anth-notes-model .answer-part .prose ul {
  margin: 0;
  padding-left: 1.2rem;
}
.anth-notes-model .answer-part .prose li + li { margin-top: 0.4rem; }

@media (max-width: 767px) {
  .year-scrub-track { padding: 0.08rem 0 0.12rem; }
  .year-scrub-year {
    padding: 0.18rem 0.58rem;
    font-size: 0.72rem;
  }
  .year-scrub ~ .year-block {
    scroll-margin-top: calc(var(--site-header-h, 8rem) + 5.6rem);
  }
}

.mcq {
  border: 1px solid var(--rule);
  background: var(--paper-50);
  padding: 1.25rem;
  min-width: 0;
  max-width: 100%;
  box-shadow: 0 18px 50px -28px rgba(11, 31, 51, 0.35);
}
.mcq.is-open {
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}
.mcq-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.45rem;
}
.mcq-num {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--ink);
}
.mcq-meta,
.mcq-kicker {
  margin: 0;
  color: var(--copper);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.mcq-kicker { margin-bottom: 0.35rem; }
.mcq-stem,
.set-stem {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.42rem;
  font-size: 1.18rem;
  line-height: 1.45;
  margin: 0.35rem 0 0.85rem;
  font-weight: 600;
  min-width: 0;
  max-width: 100%;
  overflow-wrap: break-word;
}
.mcq-lead { display: block; }
.mcq-item {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  column-gap: 0.5rem;
  align-items: start;
  font-size: 1.02rem;
  font-weight: 500;
  line-height: 1.45;
  padding: 0.42rem 0.75rem;
  background: color-mix(in srgb, var(--paper-100) 70%, var(--paper-50));
  border-left: 2px solid var(--copper);
}
.mcq-item-n {
  color: var(--copper);
  font-weight: 700;
  letter-spacing: 0.02em;
}
.mcq-item-text { min-width: 0; }
.mcq-item.is-statement {
  grid-template-columns: minmax(0, 1fr);
  row-gap: 0.22rem;
}
.mcq-match {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: 0.55rem;
  font-size: 1rem;
  font-weight: 500;
}
.mcq-match-head,
.mcq-match-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.mcq-match-head {
  color: var(--ink);
  background: var(--paper-100);
  font-size: 0.82rem;
  font-weight: 700;
}
.mcq-match-head > span,
.mcq-match-row > span {
  min-width: 0;
  padding: 0.6rem 0.75rem;
}
.mcq-match-head > span + span,
.mcq-match-row > span + span {
  border-left: 1px solid var(--rule);
}
.mcq-match-row + .mcq-match-row {
  border-top: 1px solid var(--rule);
}
.mcq-match-row b {
  color: var(--copper);
}
.mcq-match-code {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr);
  gap: 0.6rem;
  align-items: center;
  padding: 0.5rem 0.75rem;
  background: color-mix(in srgb, var(--paper-100) 70%, var(--paper-50));
  border-left: 2px solid var(--copper);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.mcq-stem .mcq-lead:last-child,
.set-stem .mcq-lead:last-child {
  margin-top: 0.12rem;
}
h1.mcq-stem.is-page {
  font-family: var(--sans);
  font-size: 1.18rem;
  font-weight: 600;
  line-height: 1.45;
  margin: 0.35rem 0 0.85rem;
  gap: 0.42rem;
}
h1.mcq-stem.is-page .mcq-lead { font-weight: 600; }
h1.mcq-stem.is-page .mcq-item { font-size: 1.02rem; }
h1.mcq-stem.is-page .mcq-item + .mcq-lead {
  font-size: 1.05rem;
  font-weight: 600;
}
@media (max-width: 620px) {
  .mcq-match-head,
  .mcq-match-row {
    grid-template-columns: minmax(0, 1fr);
  }
  .mcq-match-head > span + span,
  .mcq-match-row > span + span {
    border-left: 0;
    border-top: 1px solid var(--rule);
  }
}
.mcq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}
.mcq-choice,
.quiz-opt {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  width: 100%;
  text-align: left;
  margin: 0;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  cursor: pointer;
  border-radius: 0;
}
div.mcq-choice { cursor: default; }
.mcq-choice:hover:not(:disabled),
.quiz-opt:hover:not(:disabled) {
  border-color: var(--copper);
  color: var(--ink);
}
button.mcq-choice:disabled,
button.quiz-opt:disabled { cursor: default; pointer-events: none; }
.mcq-choice-text,
.quiz-opt-text {
  flex: 1;
  min-width: 0;
  padding-top: 0.12rem;
  line-height: 1.5;
}
.mcq-letter {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.7rem;
  height: 1.7rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--copper);
  border: 1px solid color-mix(in srgb, var(--copper) 35%, var(--rule));
  background: color-mix(in srgb, var(--copper) 10%, var(--paper-50));
}
.mcq-choice.is-right,
.quiz-opt.is-right,
.explain-opt.is-key {
  border-color: var(--mark);
  background: color-mix(in srgb, var(--mark) 14%, var(--paper-50));
}
.mcq-choice.is-right .mcq-choice-text,
.quiz-opt.is-right .mcq-choice-text,
.quiz-opt.is-right .quiz-opt-text {
  font-weight: 650;
}
.mcq-choice.is-right .mcq-letter,
.quiz-opt.is-right .mcq-letter,
.explain-opt.is-key .mcq-letter {
  color: var(--paper);
  background: var(--mark);
  border-color: var(--mark);
}
.quiz-opt.is-wrong {
  border-color: color-mix(in srgb, var(--copper) 38%, var(--rule));
  background: color-mix(in srgb, var(--copper) 7%, var(--paper-50));
  color: var(--ink-700);
}
.quiz-opt.is-wrong .mcq-letter {
  color: var(--copper);
  background: color-mix(in srgb, var(--copper) 12%, var(--paper-50));
  border-color: color-mix(in srgb, var(--copper) 40%, var(--rule));
}
.mcq-choice.is-right::after,
.quiz-opt.is-right:not(.mcq-choice)::after,
.explain-opt.is-key::after {
  content: "Correct";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  flex-shrink: 0;
  align-self: center;
  padding: 0.26rem 0.64rem;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--paper);
  background: var(--mark);
}
.quiz-opt.is-wrong::after {
  content: "Wrong";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  flex-shrink: 0;
  align-self: center;
  padding: 0.22rem 0.58rem;
  font-size: 0.88rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  line-height: 1;
  color: var(--copper);
  background: color-mix(in srgb, var(--copper) 14%, var(--paper-50));
  border: 1px solid color-mix(in srgb, var(--copper) 40%, var(--rule));
}
.quiz-verdict {
  margin: 0.75rem 0 0;
  font-size: 1.12rem;
  font-weight: 650;
  color: var(--mark);
}
.quiz-verdict.is-wrong {
  font-weight: 600;
  color: var(--ink-500);
}
.mcq-official {
  margin: 0.85rem 0 0;
  font-size: 1.12rem;
  font-weight: 650;
  color: var(--mark);
}
.mcq-official strong {
  font-weight: 700;
}
.mcq-removed,
.mcq-dual {
  margin: 0.7rem 0 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-700);
}
.mcq-removed {
  color: var(--copper);
}
.pyq-card .mcq-removed {
  margin: 0.35rem 0 0.15rem;
}
.mcq-links {
  display: flex;
  gap: 1.1rem;
  margin: 0.85rem 0 0;
  font-size: 0.9rem;
  font-weight: 600;
}
.mcq-links a {
  color: var(--copper);
  border-bottom: 1px solid color-mix(in srgb, var(--copper) 55%, transparent);
  padding-bottom: 0.08rem;
}
.mcq-soon { margin-top: 1.5rem; }

/* Wrap AI — distinct from paper/copper PYQ pages */
body.is-wrap-ai {
  --ai-bg: #07090f;
  --ai-ink: #e8eef8;
  --ai-mute: #8b97ad;
  --ai-line: rgba(120, 170, 255, 0.18);
  --ai-cyan: #6ee7ff;
  --ai-violet: #9b8cff;
  background: var(--ai-bg);
  color: var(--ai-ink);
}
body.is-wrap-ai .site-bar {
  background: color-mix(in srgb, #0b1020 88%, transparent);
  border-bottom-color: var(--ai-line);
  backdrop-filter: blur(16px);
}
body.is-wrap-ai .brand-ias { color: var(--ai-cyan); }
body.is-wrap-ai .brand-tag,
body.is-wrap-ai .header-cta .btn {
  color: var(--ai-ink);
}
body.is-wrap-ai .nav a:link,
body.is-wrap-ai .nav a:visited {
  color: #e8eef8;
  background: transparent;
}
body.is-wrap-ai .nav a:hover,
body.is-wrap-ai .nav a:focus-visible,
body.is-wrap-ai .nav a:active,
body.is-wrap-ai .nav a.is-on,
body.is-wrap-ai .nav a.is-on:visited {
  color: #071018;
  background: var(--ai-cyan);
  font-weight: 700;
}
body.is-wrap-ai .header-cta .btn-ink {
  background: transparent;
  color: var(--ai-cyan);
  border: 1px solid color-mix(in srgb, var(--ai-cyan) 55%, transparent);
}
body.is-wrap-ai .site-footer {
  background: #05070c;
  color: var(--ai-mute);
  border-top: 1px solid var(--ai-line);
}
body.is-wrap-ai .site-footer a { color: var(--ai-ink); }
body.is-wrap-ai .site-footer a:hover { color: var(--ai-cyan); }
body.is-wrap-ai .footer-name .brand-ias { color: var(--ai-cyan); }

.wrap-ai {
  position: relative;
  overflow: hidden;
  padding: 2.2rem 0 4.5rem;
  min-height: 70vh;
}
.wrap-ai-glow {
  position: absolute;
  inset: -20% 10% auto;
  height: 28rem;
  background:
    radial-gradient(closest-side, rgba(110, 231, 255, 0.18), transparent 70%),
    radial-gradient(closest-side at 80% 40%, rgba(155, 140, 255, 0.22), transparent 68%);
  filter: blur(8px);
  pointer-events: none;
}
.wrap-ai-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(110, 231, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110, 231, 255, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.55), transparent 88%);
  pointer-events: none;
}
.wrap-ai-inner { position: relative; z-index: 1; }
.wrap-ai-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ai-cyan, #6ee7ff);
}
.wrap-ai-pulse {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--ai-cyan, #6ee7ff);
  box-shadow: 0 0 0 0 rgba(110, 231, 255, 0.7);
  animation: wrap-ai-pulse 1.8s ease-out infinite;
}
@keyframes wrap-ai-pulse {
  70% { box-shadow: 0 0 0 10px rgba(110, 231, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(110, 231, 255, 0); }
}
.wrap-ai-title {
  font-family: Syne, Outfit, sans-serif;
  font-weight: 800;
  letter-spacing: -0.05em;
  font-size: clamp(3rem, 8vw, 5.4rem);
  line-height: 0.92;
  margin: 0.7rem 0 0.6rem;
  background: linear-gradient(120deg, #f4fbff 20%, #6ee7ff 55%, #9b8cff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.wrap-ai-lede {
  max-width: 38rem;
  color: var(--ai-mute, #8b97ad);
  font-size: 1.08rem;
  margin: 0 0 1.6rem;
}
.wrap-ai-source {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.8rem;
  color: var(--ai-cyan, #6ee7ff);
  margin: 0 0 1.4rem;
}
.wrap-ai-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(18rem, 1fr);
  gap: 1.6rem 2rem;
  align-items: start;
}
.wrap-ai-copy { min-width: 0; }
.wrap-ai-layout .wrap-ai-lede,
.wrap-ai-layout .wrap-ai-wait { max-width: none; }
.wrap-ai-side {
  display: grid;
  gap: 0.9rem;
  min-width: 0;
}
.wrap-ai-chat {
  border: 1px solid var(--ai-line, rgba(120, 170, 255, 0.18));
  background: color-mix(in srgb, #0d1424 86%, transparent);
  border-radius: 1.1rem;
  padding: 0.9rem 0.95rem 1rem;
  box-shadow: 0 0 0 1px rgba(110, 231, 255, 0.04), 0 24px 50px rgba(0, 0, 0, 0.35);
}
.wrap-ai-chat-bar {
  display: flex;
  justify-content: space-between;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ai-mute, #8b97ad);
  margin-bottom: 0.85rem;
}
.wrap-ai-dots { display: flex; gap: 0.28rem; }
.wrap-ai-dots i {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: #3a4660;
  display: block;
}
.wrap-ai-dots i:first-child { background: #ff6b7a; }
.wrap-ai-dots i:nth-child(2) { background: #ffd166; }
.wrap-ai-dots i:nth-child(3) { background: #6ee7ff; }
.wrap-ai-msg {
  margin: 0 0 0.65rem;
  padding: 0.7rem 0.85rem;
  border-radius: 0.85rem;
  font-size: 0.92rem;
  line-height: 1.5;
  max-width: 92%;
}
.wrap-ai-msg.is-you {
  margin-left: auto;
  background: color-mix(in srgb, #6ee7ff 14%, #121a2c);
  border: 1px solid color-mix(in srgb, #6ee7ff 28%, transparent);
}
.wrap-ai-msg.is-bot {
  background: #10182a;
  border: 1px solid var(--ai-line, rgba(120, 170, 255, 0.18));
  color: #d5deee;
}
.wrap-ai-score {
  display: grid;
  grid-template-columns: 5.2rem repeat(4, 0.7rem);
  gap: 0.35rem 0.4rem;
  align-items: center;
  margin: 0.85rem 0 0;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ai-mute, #8b97ad);
}
.wrap-ai-score i {
  display: block;
  height: 0.38rem;
  border-radius: 99px;
  background: #1c2740;
}
.wrap-ai-score i.is-on {
  background: linear-gradient(90deg, #6ee7ff, #9b8cff);
}
.wrap-ai-input {
  margin-top: 0.9rem;
  padding: 0.7rem 0.85rem;
  border-radius: 0.7rem;
  border: 1px dashed color-mix(in srgb, #6ee7ff 35%, transparent);
  color: var(--ai-mute, #8b97ad);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.78rem;
}
.wrap-ai-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}
.wrap-ai-cards li {
  border: 1px solid var(--ai-line, rgba(120, 170, 255, 0.18));
  border-radius: 0.95rem;
  padding: 0.9rem 1rem 1rem;
  background: color-mix(in srgb, #10182a 80%, transparent);
}
.wrap-ai-code {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--ai-violet, #9b8cff);
}
.wrap-ai-cards h2 {
  font-family: Syne, Outfit, sans-serif;
  font-size: 1.15rem;
  margin: 0.25rem 0 0.35rem;
  color: #f3f7ff;
}
.wrap-ai-cards p {
  margin: 0;
  color: var(--ai-mute, #8b97ad);
  font-size: 0.92rem;
}
.wrap-ai-note {
  margin: 1.8rem 0 0;
  color: var(--ai-mute, #8b97ad);
  font-size: 0.95rem;
}
.wrap-ai-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.4rem;
  align-items: center;
  margin: 1.1rem 0 0;
}
.wrap-ai-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.7rem 1.05rem;
  border-radius: 999px;
  background: linear-gradient(120deg, #6ee7ff, #9b8cff);
  color: #071018 !important;
  font-weight: 700;
  font-size: 0.92rem;
}
.wrap-ai-btn:hover { filter: brightness(1.06); color: #071018 !important; }
.wrap-ai-link {
  color: var(--ai-cyan, #6ee7ff) !important;
  font-weight: 600;
  font-size: 0.92rem;
  border-bottom: 1px solid color-mix(in srgb, #6ee7ff 50%, transparent);
}
.wrap-ai-wait {
  margin: 1.4rem 0 0;
  padding: 1.15rem 1.2rem 1.25rem;
  border: 1px solid color-mix(in srgb, #6ee7ff 28%, transparent);
  background: color-mix(in srgb, #071018 78%, #123);
  max-width: 36rem;
  display: grid;
  gap: 0.7rem;
}
.wrap-ai-wait.is-on {
  border-color: color-mix(in srgb, #6ee7ff 55%, transparent);
}
.wrap-ai-wait-kicker {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ai-cyan, #6ee7ff);
  font-weight: 700;
}
.wrap-ai-wait p { margin: 0; color: var(--ai-ink, #e8eef8); }
.wrap-ai-wait fieldset {
  border: 0;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}
.wrap-ai-wait legend {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ai-mute, #8b97ad);
  margin-bottom: 0.2rem;
}
.wrap-ai-wait label {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  color: var(--ai-ink, #e8eef8);
  font-size: 0.95rem;
}
.wrap-ai-optional {
  letter-spacing: 0;
  text-transform: none;
  font-weight: 500;
  color: var(--ai-mute, #8b97ad);
}
.wrap-ai-wait input[type="tel"],
.wrap-ai-wait input[type="email"] {
  width: 100%;
  max-width: 22rem;
  border: 1px solid color-mix(in srgb, #6ee7ff 32%, transparent);
  background: color-mix(in srgb, #071018 70%, #0c1a24);
  color: var(--ai-ink, #e8eef8);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  font: inherit;
}
.wrap-ai-wait input[type="tel"]:focus,
.wrap-ai-wait input[type="email"]:focus {
  outline: 2px solid color-mix(in srgb, #6ee7ff 55%, transparent);
  outline-offset: 1px;
}
.wrap-ai-wait .wrap-ai-btn {
  justify-self: start;
  margin-top: 0.35rem;
  border: 0;
  cursor: pointer;
  font-family: inherit;
}
@media (max-width: 899px) {
  .wrap-ai-layout { grid-template-columns: 1fr; }
  .wrap-ai-side { order: 2; }
}