/* Retinoscopy Evidence: one quiet clinical language for drawer and explorer. */
:root {
  --ev-ink: #173334;
  --ev-muted: #5d706f;
  --ev-line: #d9e2dc;
  --ev-paper: #f7f9f5;
  --ev-card: #ffffff;
  --ev-teal: #246962;
  --ev-teal-pale: #e6f0eb;
  --ev-amber: #8c5b21;
  --ev-amber-pale: #f8efdd;
  --ev-red: #8b4540;
  --ev-red-pale: #faeeea;
  --ev-shadow: 0 22px 70px rgba(17, 47, 43, .15);
  --ev-sans: "Aptos", "Segoe UI", system-ui, sans-serif;
  --ev-serif: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
}

.ev-full-link,
.ev-back,
.ev-lang {
  text-decoration: none;
  color: var(--ev-teal);
  font: 700 .76rem/1.2 var(--ev-sans);
  letter-spacing: .015em;
}
.ev-explain-link {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  margin-block-start: .3rem;
  padding: .48rem 0 0;
  border: 0;
  border-top: 1px solid var(--ev-line);
  background: transparent;
  color: var(--ev-teal);
  font: 700 .77rem/1.35 var(--ev-sans);
  cursor: pointer;
}
.ev-explain-link:hover { text-decoration: underline; }
.ev-page-launch {
  display: inline-flex;
  align-items: center;
  padding: .56rem .8rem;
  border-radius: .75rem;
  background: color-mix(in srgb, var(--accent, #246962) 10%, white);
  border: 1px solid color-mix(in srgb, var(--accent, #246962) 30%, white);
  font: 700 .82rem/1 var(--ev-sans);
  color: var(--ev-ink);
  text-decoration: none;
  white-space: nowrap;
}
.ev-page-launch:hover { background: var(--ev-teal-pale); }
html[data-ret-exam="on"] .ev-explain-link,
html[data-ret-exam="on"] .ev-page-launch,
html[data-ret-exam="on"] .ev-overlay { display: none !important; }

.ev-overlay[hidden] { display: none !important; }
.ev-overlay { position: fixed; inset: 0; z-index: 11000; }
.ev-backdrop { position: absolute; inset: 0; width: 100%; border: 0; background: rgba(13, 37, 36, .38); cursor: default; }
.ev-drawer {
  position: absolute;
  inset-block: 0;
  inset-inline-end: 0;
  width: min(480px, 100vw);
  display: flex;
  flex-direction: column;
  background: var(--ev-paper);
  box-shadow: var(--ev-shadow);
  color: var(--ev-ink);
  font-family: var(--ev-sans);
  animation: ev-slide .22s ease-out both;
}
@keyframes ev-slide { from { opacity: .7; transform: translateX(18px); } to { opacity: 1; transform: none; } }
html[dir="rtl"] .ev-drawer { animation-name: ev-slide-rtl; }
@keyframes ev-slide-rtl { from { opacity: .7; transform: translateX(-18px); } to { opacity: 1; transform: none; } }
.ev-drawer__top { display: flex; justify-content: space-between; align-items: center; padding: 1.1rem 1.4rem; border-bottom: 1px solid var(--ev-line); background: #fff; }
.ev-drawer__eyebrow, .ev-overline { color: var(--ev-teal); font: 800 .7rem/1.2 var(--ev-sans); letter-spacing: .16em; }
.ev-drawer__close { width: 2.1rem; height: 2.1rem; border-radius: 50%; border: 1px solid var(--ev-line); background: #fff; color: var(--ev-ink); font-size: 1.45rem; cursor: pointer; }
.ev-drawer__content { overflow: auto; min-height: 0; padding: 1.4rem; flex: 1; }
.ev-drawer__footer { padding: 1rem 1.4rem; border-top: 1px solid var(--ev-line); background: #fff; }
.ev-full-link { display: flex; justify-content: center; padding: .9rem 1rem; background: var(--ev-ink); color: #fff; border-radius: .65rem; }
.ev-full-link:hover { background: var(--ev-teal); }

.ev-id { color: var(--ev-teal); font: 700 .68rem/1.3 "IBM Plex Mono", Consolas, monospace; letter-spacing: .09em; }
.ev-detail { color: var(--ev-ink); }
.ev-detail .ev-title { margin: .45rem 0 .55rem; font: 600 clamp(1.42rem, 2.5vw, 1.8rem)/1.17 var(--ev-serif); letter-spacing: -.025em; }
.ev-statement { max-width: 66ch; margin: 0 0 1rem; color: #3e5552; font-size: .96rem; line-height: 1.62; }
.ev-badges { display: flex; flex-wrap: wrap; gap: .4rem; }
.ev-badge { display: inline-flex; align-items: center; border-radius: 999px; padding: .3rem .58rem; font: 700 .66rem/1.25 var(--ev-sans); background: var(--ev-teal-pale); color: #215b52; }
.ev-badge--policy, .ev-badge--pending { background: var(--ev-amber-pale); color: #76501d; }
.ev-badge--heuristic, .ev-badge--limited { background: var(--ev-red-pale); color: #7d433e; }
.ev-badge--model, .ev-badge--device { background: #e9edf0; color: #465b67; }
.ev-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem 1.2rem; margin: 1.4rem 0 0; padding: 1rem 0; border-block: 1px solid var(--ev-line); }
.ev-fact { min-width: 0; }
.ev-fact dt { color: var(--ev-muted); font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.ev-fact dd { margin: .28rem 0 0; font-size: .84rem; line-height: 1.4; }
.ev-section { margin-block-start: 1.45rem; }
.ev-section h3 { margin: 0 0 .65rem; font: 700 .77rem/1.3 var(--ev-sans); text-transform: uppercase; letter-spacing: .11em; }
.ev-sources { list-style: none; margin: 0; padding: 0; display: grid; gap: .65rem; }
.ev-source { padding: .85rem .95rem; border: 1px solid var(--ev-line); border-radius: .7rem; background: #fff; }
.ev-source h4 { margin: 0 0 .25rem; font: 700 .88rem/1.4 var(--ev-sans); }
.ev-source p { margin: .25rem 0; font-size: .76rem; line-height: 1.46; }
.ev-source__byline { color: var(--ev-muted); }
.ev-source__note { color: #775c30; }
.ev-source__link { display: inline-block; margin-block-start: .3rem; color: var(--ev-teal); font: 700 .75rem/1.4 var(--ev-sans); }
.ev-limitations { padding: .9rem 1rem; border-inline-start: 3px solid #b17b3d; border-radius: .2rem .6rem .6rem .2rem; background: #f9f3e7; }
.ev-limitations ul { margin: 0; padding-inline-start: 1.1rem; color: #5d4a32; font-size: .8rem; line-height: 1.55; }
.ev-limitations li + li { margin-block-start: .4rem; }
.ev-empty { font-size: .84rem; color: var(--ev-muted); }

/* Full academic explorer */
.ev-page-body { margin: 0; min-height: 100vh; background: #f4f6f1; color: var(--ev-ink); font-family: var(--ev-sans); }
.ev-page-body * { box-sizing: border-box; }
.ev-page { max-width: 1440px; margin: 0 auto; }
.ev-page-header { min-height: 78px; padding: 1rem clamp(1.2rem, 4vw, 4.5rem); display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--ev-line); background: #fafcf8; }
.ev-brand { display: flex; align-items: center; gap: .65rem; color: var(--ev-ink); text-decoration: none; font: 800 .95rem/1.15 var(--ev-sans); letter-spacing: .15em; }
.ev-brand small { display: block; margin-block-start: .18rem; color: var(--ev-muted); font-size: .58rem; letter-spacing: .18em; }
.ev-brand__mark { display: grid; place-items: center; width: 2.15rem; height: 2.15rem; border: 2px solid var(--ev-ink); border-radius: 50%; font-size: 1.15rem; line-height: 1; }
.ev-header-actions { display: flex; align-items: center; gap: 1rem; }
.ev-lang { cursor: pointer; border: 1px solid var(--ev-line); padding: .55rem .7rem; border-radius: .55rem; background: #fff; }
.ev-back { padding: .6rem 0; }
.ev-hero { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: end; padding: clamp(2.5rem, 5vw, 5.5rem) clamp(1.2rem, 4vw, 4.5rem); overflow: hidden; background: #123536; color: #f6faf3; }
.ev-hero::before { content: ""; position: absolute; width: 600px; height: 600px; inset-inline-end: -170px; top: -250px; border: 1px solid rgba(235, 240, 226, .16); border-radius: 50%; box-shadow: 0 0 0 65px rgba(235, 240, 226, .025), 0 0 0 135px rgba(235, 240, 226, .025); pointer-events: none; }
.ev-hero__copy { position: relative; z-index: 1; }
.ev-hero .ev-overline { color: #b6d3c1; }
.ev-hero h1 { max-width: 860px; margin: .75rem 0 1.1rem; font: 500 clamp(2.8rem, 6vw, 5.3rem)/.98 var(--ev-serif); letter-spacing: -.055em; }
.ev-hero h1 em { color: #bed6c8; font-style: italic; font-weight: 400; }
.ev-hero__copy > p:last-child { max-width: 690px; color: #d5e2d9; line-height: 1.58; font-size: 1rem; }
.ev-hero__metric { position: relative; z-index: 1; min-width: 160px; display: grid; gap: .15rem; text-align: end; border-inline-start: 1px solid rgba(255,255,255,.25); padding-inline-start: 1.7rem; }
.ev-hero__metric strong { font: 500 4.5rem/1 var(--ev-serif); }
.ev-hero__metric span { color: #cbded1; font-size: .74rem; text-transform: uppercase; letter-spacing: .11em; }
.ev-notice { display: flex; gap: 1rem; align-items: start; margin: 1.8rem clamp(1.2rem, 4vw, 4.5rem) 0; padding: .95rem 1.15rem; background: #e9f1ea; border: 1px solid #cadbcf; border-radius: .7rem; color: #36554b; }
.ev-notice p { margin: 0; font-size: .8rem; line-height: 1.5; }
.ev-notice__icon { flex: none; display: grid; place-items: center; width: 1.2rem; height: 1.2rem; border: 1px solid currentColor; border-radius: 50%; font: 800 .7rem/1 var(--ev-serif); }
.ev-explorer { padding: 3rem clamp(1.2rem, 4vw, 4.5rem) 5rem; }
.ev-explorer__heading { display: flex; justify-content: space-between; align-items: end; gap: 1rem; margin-bottom: 1.4rem; }
.ev-explorer__heading h2 { margin: .2rem 0 0; font: 500 clamp(1.8rem, 3vw, 2.5rem)/1.1 var(--ev-serif); }
.ev-explorer__heading > p { color: var(--ev-muted); font-size: .8rem; }
.ev-filters { display: grid; grid-template-columns: minmax(240px, 2fr) minmax(170px, 1fr) minmax(190px, 1fr); gap: .8rem; padding: 1rem; border: 1px solid var(--ev-line); border-radius: .8rem; background: #fff; }
.ev-filters label { display: grid; gap: .4rem; color: #4c625e; font-size: .7rem; font-weight: 800; letter-spacing: .035em; }
.ev-filters input, .ev-filters select { width: 100%; min-height: 42px; padding: .6rem .7rem; border: 1px solid #cbd9d0; border-radius: .5rem; background: #fbfdf9; color: var(--ev-ink); font: 500 .83rem/1.3 var(--ev-sans); }
.ev-filters input:focus, .ev-filters select:focus { outline: 2px solid var(--ev-teal); outline-offset: 1px; }
.ev-groups { display: grid; gap: 2.2rem; margin-block-start: 2rem; }
.ev-group__header { display: flex; align-items: center; gap: .7rem; margin-bottom: .8rem; }
.ev-group__header h3 { margin: 0; font: 500 1.4rem/1.2 var(--ev-serif); }
.ev-group__header span { min-width: 1.55rem; height: 1.55rem; display: grid; place-items: center; border-radius: 50%; background: #dce9de; color: #27534a; font: 800 .68rem/1 var(--ev-sans); }
.ev-card-list { display: grid; gap: .65rem; }
.ev-card { border: 1px solid var(--ev-line); border-radius: .8rem; background: var(--ev-card); overflow: hidden; }
.ev-card[open] { border-color: #a9c9b9; box-shadow: 0 8px 28px rgba(22, 55, 45, .06); }
.ev-card summary { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 1rem; padding: 1rem 1.2rem; cursor: pointer; list-style: none; }
.ev-card summary::-webkit-details-marker { display: none; }
.ev-card summary::after { content: "+"; color: var(--ev-teal); font-size: 1.2rem; font-weight: 400; grid-column: 2; grid-row: 1; justify-self: end; }
.ev-card[open] summary::after { content: "−"; }
.ev-card summary .ev-badges { grid-column: 1 / -1; gap: .3rem; }
.ev-card__summary { display: grid; gap: .22rem; }
.ev-card__summary strong { font: 700 .98rem/1.35 var(--ev-sans); }
.ev-card__excerpt { max-width: 96ch; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; color: var(--ev-muted); font-size: .8rem; }
.ev-card__body { border-top: 1px solid var(--ev-line); padding: 1.3rem 1.2rem 1.5rem; background: #fbfdf9; }
.ev-card__body .ev-detail > .ev-title, .ev-card__body .ev-detail > .ev-id, .ev-card__body .ev-detail > .ev-statement, .ev-card__body .ev-detail > .ev-badges { display: none; }
.ev-card__body .ev-facts { margin-top: 0; border-top: 0; }
.ev-no-results { padding: 3rem; text-align: center; border: 1px dashed #bed1c2; border-radius: .75rem; color: var(--ev-muted); }
.ev-page-footer { display: flex; justify-content: space-between; gap: 1rem; padding: 1.5rem clamp(1.2rem, 4vw, 4.5rem); border-top: 1px solid var(--ev-line); color: var(--ev-muted); font-size: .76rem; }
.ev-page-footer a { color: var(--ev-teal); font-weight: 700; text-decoration: none; }

:where(.ev-page-body, .ev-overlay) :focus-visible { outline: 2px solid #176a60; outline-offset: 3px; }
@media (max-width: 760px) {
  .ev-page-header { min-height: 64px; }
  .ev-brand { font-size: .77rem; }
  .ev-back { font-size: .72rem; }
  .ev-hero { grid-template-columns: 1fr; gap: 1.5rem; }
  .ev-hero__metric { min-width: 0; width: max-content; text-align: start; border-inline-start: 0; border-block-start: 1px solid rgba(255,255,255,.25); padding: 1rem 0 0; }
  .ev-hero__metric strong { font-size: 3.3rem; }
  .ev-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ev-filters .ev-search { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .ev-drawer { width: 100vw; }
  .ev-drawer__content { padding: 1rem; }
  .ev-page-header { flex-wrap: wrap; }
  .ev-header-actions { width: 100%; justify-content: space-between; }
  .ev-hero h1 { font-size: 2.65rem; }
  .ev-filters { grid-template-columns: 1fr; }
  .ev-filters .ev-search { grid-column: auto; }
  .ev-card summary { padding: .9rem; }
  .ev-card__body { padding: 1rem .9rem; }
  .ev-facts { grid-template-columns: 1fr; }
  .ev-page-footer { display: grid; }
}
@media (prefers-reduced-motion: reduce) { .ev-drawer { animation: none; } }