/*
Theme Name: Psi Archive
Theme URI: https://example.test/
Author: UFO Parapsychology
Description: A calm, accessible theme for a members-only parapsychology archive.
Version: 2.2.8
Requires at least: 6.5
Requires PHP: 8.1
Text Domain: psi-archive
*/

:root {
  --night: #07171b;
  --night-soft: #0d2528;
  --ink: #14292d;
  --muted: #607276;
  --paper: #e4e8e3;
  --surface: #f3f5f0;
  --surface-deep: #d8dfda;
  --signal: #397c77;
  --signal-bright: #75b2a8;
  --copper: #a87849;
  --line: #bcc8c2;
  --line-dark: rgba(188, 210, 202, .2);
  --error: #9c3933;
  --radius: 3px;
  --font-display: "Noto Serif TC", "Songti TC", serif;
  --font-body: "Noto Sans TC", "PingFang HK", sans-serif;
  --font-data: "IBM Plex Mono", "SFMono-Regular", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(7, 23, 27, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 23, 27, .025) 1px, transparent 1px),
    var(--paper);
  background-size: 32px 32px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
body.nav-open { overflow: hidden; }
a { color: var(--signal); text-underline-offset: .2em; }
a:visited { color: #4f6967; }
a:hover { color: var(--night); }
img { max-width: 100%; height: auto; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--copper); outline-offset: 4px; }
.container { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  transform: translateY(-150%);
  background: var(--surface);
  color: var(--night);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  border-bottom: 1px solid var(--line-dark);
  background: rgba(7, 23, 27, .94);
  backdrop-filter: blur(16px);
}
.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--surface);
  text-decoration: none;
}
.brand:visited { color: var(--surface); }
.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(117, 178, 168, .55);
  border-radius: 50%;
  color: var(--signal-bright);
  font-family: Georgia, serif;
  font-size: 1.3rem;
}
.brand-copy { display: grid; line-height: 1.1; }
.brand-copy strong { font-family: var(--font-display); font-size: .98rem; font-weight: 600; letter-spacing: .05em; }
.brand-copy small {
  margin-top: 6px;
  color: #8fa9a4;
  font-family: var(--font-data);
  font-size: .58rem;
  letter-spacing: .13em;
}
.header-actions { display: flex; align-items: center; gap: 14px; }
.site-nav ul { display: flex; align-items: center; gap: 4px; margin: 0; padding: 0; list-style: none; }
.site-nav a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 8px 13px;
  color: #b9cac6;
  font-size: .88rem;
  text-decoration: none;
}
.site-nav a:visited { color: #b9cac6; }
.site-nav a:hover, .site-nav .current-menu-item > a { color: white; }
.site-nav .nav-login a { margin-left: 8px; border: 1px solid rgba(117, 178, 168, .6); color: #d7ebe6; }
.language-switcher {
  display: inline-flex;
  padding-left: 12px;
  border-left: 1px solid var(--line-dark);
}
.language-switcher a {
  display: grid;
  min-width: 32px;
  min-height: 44px;
  place-items: center;
  color: #839d97;
  font-family: var(--font-data);
  font-size: .68rem;
  text-decoration: none;
}
.language-switcher a:visited { color: #839d97; }
.language-switcher a:hover { color: white; }
.language-switcher a[aria-current="true"] { color: var(--signal-bright); text-decoration: underline; text-underline-offset: 5px; }
.menu-toggle { display: none; }

.hero {
  position: relative;
  min-height: 650px;
  overflow: hidden;
  border-bottom: 1px solid rgba(117, 178, 168, .25);
  color: var(--surface);
}
.hero:focus { outline: none; }
.hero:focus-visible { outline: 3px solid var(--copper); outline-offset: -3px; }
.hero-slides { position: relative; min-height: 650px; }
.hero-slide {
  position: absolute;
  inset: 0;
  display: grid;
  align-items: center;
  padding: 72px 0 48px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .8s ease, visibility .8s ease;
}
.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  z-index: 1;
}
.hero-slide::before {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(117, 178, 168, .24) .7px, transparent .7px);
  background-size: 24px 24px;
  content: "";
  mask-image: linear-gradient(to right, black, transparent 70%);
  opacity: .38;
}
.hero-slide[data-tone="teal"] {
  background:
    radial-gradient(circle at 78% 42%, rgba(57, 124, 119, .2), transparent 31%),
    linear-gradient(112deg, #07171b 0%, #0a2023 57%, #102d2e 100%);
}
.hero-slide[data-tone="blue"] {
  background:
    radial-gradient(circle at 72% 38%, rgba(58, 98, 148, .28), transparent 34%),
    linear-gradient(118deg, #07141f 0%, #0c2438 54%, #143044 100%);
}
.hero-slide[data-tone="plum"] {
  background:
    radial-gradient(circle at 24% 48%, rgba(122, 78, 108, .24), transparent 32%),
    linear-gradient(108deg, #140e18 0%, #1d1522 52%, #261828 100%);
}
.hero-slide[data-tone="slate"] {
  background:
    radial-gradient(circle at 64% 58%, rgba(120, 128, 124, .16), transparent 36%),
    linear-gradient(122deg, #101214 0%, #171c1e 58%, #1c2224 100%);
}
.hero-slide.is-flipped .hero-grid { grid-template-columns: minmax(300px, .8fr) minmax(0, 1.2fr); }
.hero-slide.is-flipped .observation-mark { justify-self: start; order: -1; margin-right: 0; margin-left: -16%; }
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, .85fr);
  align-items: center;
  gap: 72px;
}
.hero-copy { max-width: 700px; }
.eyebrow {
  color: var(--signal);
  font-family: var(--font-data);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.hero .eyebrow { color: var(--signal-bright); }
h1, h2, h3, .hero-display { font-family: var(--font-display); line-height: 1.25; }
h1, .hero-display {
  margin: 18px 0 24px;
  font-size: clamp(3.1rem, 6.5vw, 6.7rem);
  font-weight: 600;
  letter-spacing: -.055em;
}
h1 em, .hero-display em { color: #9fc6be; font-style: normal; font-weight: 500; }
h2 { margin: 8px 0 0; font-size: clamp(2rem, 4vw, 3.6rem); font-weight: 600; letter-spacing: -.035em; }
h3 { font-weight: 600; }
.hero-intro { max-width: 650px; color: #b7c8c4; font-size: clamp(1rem, 1.4vw, 1.15rem); line-height: 1.9; }
.hero-coordinate {
  position: absolute;
  z-index: 2;
  color: rgba(181, 210, 202, .46);
  font-family: var(--font-data);
  font-size: .58rem;
  letter-spacing: .15em;
}
.hero-coordinate-top { top: 26px; right: 34px; }
.hero-coordinate-bottom { bottom: 20px; left: 34px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button, button:not(.menu-toggle):not(.hero-nav):not(.hero-toggle):not(.hero-dot), input[type="submit"] {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border: 1px solid var(--signal);
  border-radius: var(--radius);
  background: var(--signal);
  color: white;
  cursor: pointer;
  font-weight: 600;
  text-decoration: none;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
}
.button:visited { color: white; }
.button:hover, button:not(.menu-toggle):not(.hero-nav):not(.hero-toggle):not(.hero-dot):hover, input[type="submit"]:hover {
  border-color: var(--night-soft);
  background: var(--night-soft);
  color: white;
  transform: translateY(-1px);
}
.button.secondary { border-color: rgba(181, 210, 202, .48); background: transparent; color: #d4e3df; }
.button.secondary:visited { color: #d4e3df; }
.button.secondary:hover { border-color: #d4e3df; background: rgba(212, 227, 223, .08); }
.button.light { border-color: var(--surface); background: var(--surface); color: var(--night); }
.button.light:visited { color: var(--night); }
.button.light:hover { border-color: var(--signal-bright); background: var(--signal-bright); color: var(--night); }
.archive-protocol { display: flex; gap: 0; margin-top: 44px; color: #8fa9a4; font-family: var(--font-data); font-size: .64rem; letter-spacing: .08em; }
.archive-protocol span { padding: 0 18px; border-left: 1px solid rgba(181, 210, 202, .22); }
.archive-protocol span:first-child { padding-left: 0; border-left: 0; }
.archive-protocol strong { margin-right: 7px; color: var(--copper); font-weight: 500; }

.observation-mark {
  position: relative;
  width: min(720px, 68vw);
  aspect-ratio: 1;
  justify-self: end;
  align-self: start;
  margin-top: -108px;
  margin-right: -18%;
}
.observation-mark.is-wide { width: min(800px, 74vw); margin-top: -128px; margin-right: -22%; }
.observation-mark.is-compact { width: min(640px, 60vw); margin-top: -88px; }
.observation-mark.is-offset { width: min(760px, 70vw); margin-top: -118px; margin-right: -24%; }
.orbit { position: absolute; border: 1px solid rgba(117, 178, 168, .35); border-radius: 50%; }
.signal {
  position: absolute;
  width: var(--dot, 5px);
  height: var(--dot, 5px);
  border-radius: 50%;
  background: #e08a3c;
  box-shadow: 0 0 14px rgba(224, 138, 60, .85);
  transform: translate(-50%, -50%);
}
.orbit-outer { inset: 0; animation: orbit-spin 38s linear infinite; }
.orbit-mid { inset: 14%; border-style: dashed; animation: orbit-spin 26s linear infinite reverse; }
.orbit-inner { inset: 31%; border-color: rgba(117, 178, 168, .6); animation: orbit-spin 48s linear infinite; }
.hero-slide[data-tone="blue"] .orbit-outer { animation-duration: 28s; }
.hero-slide[data-tone="blue"] .orbit-mid { animation-duration: 16s; }
.hero-slide[data-tone="plum"] .orbit-outer { animation-duration: 46s; animation-direction: reverse; }
.hero-slide[data-tone="plum"] .orbit-inner { animation-duration: 22s; }
.hero-slide[data-tone="slate"] .orbit-mid { animation-duration: 34s; }
.hero-slide[data-tone="slate"] .orbit-inner { animation-duration: 14s; animation-direction: reverse; }
.axis { position: absolute; display: block; background: rgba(117, 178, 168, .16); }
.axis-horizontal { top: 50%; right: -18%; left: -18%; height: 1px; }
.axis-vertical { top: -18%; bottom: -18%; left: 50%; width: 1px; }
.observation-mark .symbol {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #c2d8d2;
  font-family: Georgia, serif;
  font-size: clamp(5rem, 11vw, 9rem);
  text-shadow: 0 0 42px rgba(117, 178, 168, .2);
}
.observation-label {
  position: absolute;
  right: 0;
  bottom: 6%;
  padding: 4px 8px;
  background: var(--night);
  color: #7fa39d;
  font-family: var(--font-data);
  font-size: .58rem;
  letter-spacing: .12em;
}
.hero-slide.is-flipped .observation-label { right: auto; left: 0; }
.hero-controls {
  position: absolute;
  z-index: 3;
  right: 34px;
  bottom: 22px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-controls button.hero-nav,
.hero-controls button.hero-toggle,
.hero-controls button.hero-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  border: 1px solid rgba(181, 210, 202, .35);
  background: transparent;
  color: #c5d6d1;
  cursor: pointer;
  font-family: var(--font-data);
  font-weight: 400;
  line-height: 1;
  transform: none;
}
.hero-controls button.hero-nav {
  width: 26px;
  height: 26px;
  min-width: 26px;
  min-height: 26px;
  padding: 0;
  border-radius: 2px;
  font-size: .7rem;
}
.hero-controls button.hero-toggle {
  height: 26px;
  min-height: 26px;
  padding: 0 8px;
  border-radius: 2px;
  font-size: .56rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.hero-controls button.hero-nav:hover,
.hero-controls button.hero-toggle:hover,
.hero-controls button.hero-dot:hover {
  border-color: rgba(224, 138, 60, .75);
  background: transparent;
  color: white;
  transform: none;
}
.hero-dots { display: flex; align-items: center; gap: 6px; }
.hero-controls button.hero-dot {
  width: 7px;
  height: 7px;
  min-width: 7px;
  min-height: 7px;
  padding: 0;
  border-radius: 50%;
}
.hero-controls button.hero-dot[aria-current="true"] {
  width: 8px;
  height: 8px;
  min-width: 8px;
  min-height: 8px;
  border-color: #e08a3c;
  background: #e08a3c;
}

.research-index { padding: 72px 0 24px; }
.index-heading { display: grid; grid-template-columns: 160px 1fr 1fr; align-items: end; gap: 24px; padding-bottom: 30px; border-bottom: 1px solid var(--line); }
.index-heading h2 { margin: 0; }
.index-heading p { max-width: 470px; margin: 0; color: var(--muted); }
.field-list { border-bottom: 1px solid var(--line); }
.field-item {
  position: relative;
  display: grid;
  grid-template-columns: 160px 1fr 1fr 24px;
  align-items: center;
  gap: 24px;
  min-height: 104px;
  padding: 18px 8px;
  border-top: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  transition: background-color .2s ease, padding .2s ease;
}
.field-item:first-child { border-top: 0; }
.field-item:visited { color: var(--ink); }
.field-item:hover { padding-inline: 18px; background: rgba(57, 124, 119, .08); color: var(--night); }
.field-code { color: var(--signal); font-family: var(--font-data); font-size: .66rem; letter-spacing: .1em; }
.field-item strong { font-family: var(--font-display); font-size: 1.35rem; font-weight: 600; }
.field-item > span:nth-child(3) { color: var(--muted); font-size: .9rem; }
.field-item b { color: var(--copper); font-size: 1.2rem; font-weight: 400; }

.section { padding: 88px 0; }
.publication-section { padding-top: 88px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 32px; }
.section-head h1 { margin: 8px 0 0; font-size: clamp(2.5rem, 5vw, 4.8rem); }
.archive-description { max-width: 420px; margin: 0 0 8px; color: var(--muted); }
.text-link { padding-bottom: 6px; border-bottom: 1px solid currentColor; font-size: .84rem; font-weight: 600; text-decoration: none; }
.archive-list { border-top: 1px solid var(--line); }
.archive-record {
  position: relative;
  display: grid;
  grid-template-columns: 90px 1fr 30px;
  align-items: center;
  gap: 28px;
  min-height: 0;
  padding: 24px 8px;
  border-bottom: 1px solid var(--line);
  transition: background-color .2s ease, padding .2s ease;
}
.archive-record:hover { padding-inline: 18px; background: rgba(57, 124, 119, .07); }
.record-link { position: absolute; z-index: 2; inset: 0; }
.record-link:focus-visible { outline-offset: -4px; }
.record-number, .meta { color: var(--signal); font-family: var(--font-data); font-size: .64rem; letter-spacing: .08em; }
.record-content h3 { margin: 7px 0 8px; color: var(--ink); font-family: var(--font-display); font-size: clamp(1.25rem, 2.2vw, 1.75rem); font-weight: 600; }
.record-content p { max-width: 680px; margin: 0; color: var(--muted); font-size: .9rem; font-weight: 400; }
.archive-record:hover .record-content h3 { color: var(--night); }
.record-arrow { color: var(--copper); font-size: 1.2rem; }
.page-member-library .entry { width: min(980px, calc(100% - 48px)); max-width: none; }
.entry-content .member-library-list { margin-top: 8px; }
.entry-content .archive-record { min-height: 148px; padding-inline: 0; }
.entry-content .archive-record:hover { padding-inline: 12px; }
.entry-content .record-content h3 { margin: 7px 0 8px; }
.entry-content .record-content p { margin: 0; color: var(--muted); }

.membership-callout { padding: 72px 0; background: var(--night-soft); color: var(--surface); }
.membership-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 80px; }
.membership-grid .eyebrow { color: var(--signal-bright); }
.membership-grid h2 { max-width: 530px; }
.membership-grid p { max-width: 570px; margin: 0 0 24px; color: #b7c8c4; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { overflow: hidden; border: 1px solid var(--line); background: rgba(243, 245, 240, .72); }
.card > a img, .card > img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; filter: saturate(.65); }
.card-body { padding: 24px; }
.card h3 { margin: 8px 0; font-size: 1.3rem; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:visited { color: var(--ink); }
.card .meta { color: var(--signal); }

.entry {
  width: min(880px, calc(100% - 48px));
  margin: 72px auto;
  padding: clamp(28px, 6vw, 72px);
  border: 1px solid var(--line);
  background: rgba(243, 245, 240, .88);
}
.page .entry { max-width: 720px; }
.entry::before {
  display: block;
  width: 44px;
  height: 2px;
  margin-bottom: 26px;
  background: var(--copper);
  content: "";
}
.entry-title { margin-top: 0; font-size: clamp(2.25rem, 5vw, 4.5rem); }
.entry > .eyebrow { display: block; margin-bottom: 12px; }
.back-link { display: inline-block; margin-bottom: 32px; color: var(--muted); font-size: .78rem; font-weight: 600; text-decoration: none; }
.entry-meta { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 14px; color: var(--muted); font-family: var(--font-data); font-size: .63rem; letter-spacing: .06em; }
.entry-taxonomy { margin: -8px 0 26px; color: var(--muted); font-size: .78rem; }
.entry-taxonomy a { color: var(--signal); text-decoration: none; }
.entry > img { width: 100%; margin: 22px 0 36px; }
.entry-content > * + * { margin-top: 1.4em; }
.entry-content a { font-weight: 600; }

.psi-form, #loginform { width: 100%; max-width: 560px; }
.psi-form label, #loginform label { display: block; margin: 20px 0 7px; color: var(--ink); font-size: .86rem; font-weight: 600; }
.psi-form input[type="text"],
.psi-form input[type="email"],
.psi-form input[type="password"],
#loginform input[type="text"],
#loginform input[type="password"] {
  width: 100%;
  min-height: 50px;
  padding: 11px 14px;
  border: 1px solid #9caea8;
  border-radius: var(--radius);
  background: #fafbf8;
  color: var(--ink);
  font: inherit;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.psi-form input:focus, #loginform input:focus {
  border-color: var(--signal);
  box-shadow: 0 0 0 3px rgba(57, 124, 119, .14);
  outline: 0;
}
.psi-form input[type="checkbox"], #loginform input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin: 0 8px 0 0;
  accent-color: var(--signal);
  vertical-align: middle;
}
.psi-form label:has(input[type="checkbox"]), #loginform .login-remember label {
  display: flex;
  min-height: 44px;
  align-items: center;
  font-weight: 400;
}
#loginform .login-submit { margin: 24px 0 12px; }
#loginform input[type="submit"], .psi-form input[type="submit"] { width: 100%; }
.notice {
  margin: 20px 0;
  padding: 14px 16px;
  border-left: 3px solid var(--signal);
  background: rgba(57, 124, 119, .1);
  color: var(--ink);
}
.notice.error { border-color: var(--error); background: rgba(156, 57, 51, .09); }
.psi-sample-cta {
  margin: 48px 0 8px;
  padding: 28px 28px 24px;
  border: 1px solid var(--line);
  background: var(--night-soft);
  color: var(--surface);
}
.psi-sample-cta .eyebrow { color: var(--signal); }
.psi-sample-cta h2 {
  margin: 8px 0 12px;
  font-size: 1.35rem;
  color: var(--surface);
}
.psi-sample-cta p { margin: 0 0 20px; color: rgba(243, 245, 240, .82); }
.psi-sample-cta .actions { display: flex; flex-wrap: wrap; gap: 12px; }
.psi-sample-cta .button.secondary {
  background: transparent;
  color: var(--surface);
  border-color: rgba(243, 245, 240, .35);
}
.psi-account p { padding: 12px 0; border-bottom: 1px solid var(--line); }
.psi-gallery { margin: 40px 0; }
.psi-gallery h2 {
  margin: 0 0 14px;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--muted);
}
.psi-gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.psi-gallery-item {
  margin: 0;
  overflow: hidden;
  background: var(--surface-deep);
}
.psi-gallery-grid img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.psi-pdf {
  position: relative;
  z-index: 12;
  margin: 40px 0;
  border: 1px solid var(--line);
  background: var(--night-soft);
}
.psi-pdf-header {
  display: flex;
  min-height: 86px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line-dark);
  color: var(--surface);
}
.psi-pdf-header h2 { margin: 2px 0 0; font-size: 1.25rem; }
.psi-pdf-header .eyebrow { color: var(--signal-bright); }
.psi-pdf-controls { display: flex; align-items: center; gap: 6px; }
.psi-pdf-controls button {
  width: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  border-color: rgba(117, 178, 168, .35);
  background: transparent;
  color: var(--surface);
}
.psi-pdf-controls button:hover:not(:disabled) { border-color: var(--signal-bright); background: rgba(117, 178, 168, .12); }
.psi-pdf-controls button:disabled { cursor: not-allowed; opacity: .32; }
.psi-pdf-controls [data-page-status] {
  min-width: 62px;
  color: #c1d1cd;
  font-family: var(--font-data);
  font-size: .72rem;
  text-align: center;
}
.psi-pdf-control-separator { width: 1px; height: 28px; margin: 0 4px; background: var(--line-dark); }
.psi-pdf-stage {
  position: relative;
  display: flex;
  min-height: 560px;
  align-items: flex-start;
  justify-content: center;
  overflow: auto;
  padding: 16px;
  background: #263234;
  overscroll-behavior: contain;
}
.psi-pdf-stage canvas {
  display: block;
  background: white;
  box-shadow: 0 12px 30px rgba(0, 0, 0, .24);
  user-select: none;
}
.psi-pdf-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: #263234;
  color: #c7d6d2;
  font-family: var(--font-data);
  font-size: .75rem;
  letter-spacing: .06em;
  text-align: center;
}
.psi-pdf-loading[hidden] { display: none; }
.psi-pdf-security-note {
  margin: 0;
  padding: 12px 20px;
  border-top: 1px solid var(--line-dark);
  color: #91aaa4;
  font-size: .75rem;
  text-align: center;
}
.psi-watermark-layer {
  position: fixed;
  z-index: 8;
  inset: 72px 0 0;
  overflow: hidden;
  color: #3d5f5b;
  pointer-events: none;
  user-select: none;
}
.psi-watermark-layer span {
  position: absolute;
  top: var(--wm-top);
  left: var(--wm-left);
  width: 360px;
  transform: rotate(-24deg);
  font-family: var(--font-data);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .12em;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  opacity: .09;
}
.psi-print-block { display: none; }

.empty-state {
  display: flex;
  min-height: 180px;
  align-items: center;
  gap: 28px;
  padding: 34px;
  border: 1px dashed #94a7a1;
  background: rgba(243, 245, 240, .5);
}
.empty-mark { color: var(--signal); font-family: Georgia, serif; font-size: 3.6rem; }
.empty-state h3 { margin: 0 0 6px; font-size: 1.4rem; }
.empty-state p { margin: 0; color: var(--muted); }
.navigation.pagination { margin-top: 36px; }
.nav-links { display: flex; flex-wrap: wrap; gap: 6px; }
.page-numbers { display: grid; min-width: 44px; min-height: 44px; place-items: center; border: 1px solid var(--line); text-decoration: none; }
.page-numbers.current { border-color: var(--night); background: var(--night); color: white; }

.site-footer { padding: 64px 0 24px; border-top: 1px solid var(--line-dark); background: var(--night); color: #9fb4af; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; align-items: start; gap: 48px; padding-bottom: 52px; }
.footer-brand { display: flex; gap: 16px; }
.footer-brand strong { color: var(--surface); font-family: var(--font-display); font-size: 1.05rem; }
.footer-brand p { margin: 5px 0 0; font-size: .86rem; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: #afc2bd; font-size: .84rem; text-decoration: none; }
.footer-links a:visited { color: #afc2bd; }
.footer-links a:hover { color: white; }
.footer-meta { display: flex; justify-content: space-between; padding-top: 20px; border-top: 1px solid var(--line-dark); font-family: var(--font-data); font-size: .58rem; letter-spacing: .1em; }

@keyframes orbit-spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .orbit { animation: none; }
  .hero-slide { transition: none; }
}

@media (max-width: 900px) {
  .menu-toggle {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    gap: 10px;
    padding: 0;
    border: 0;
    background: transparent;
    color: white;
    cursor: pointer;
  }
  .menu-label { font-family: var(--font-data); font-size: .66rem; letter-spacing: .12em; }
  .menu-icon { position: relative; width: 24px; height: 18px; }
  .menu-icon i { position: absolute; right: 0; display: block; width: 24px; height: 1px; background: var(--signal-bright); transition: transform .2s ease, top .2s ease; }
  .menu-icon i:first-child { top: 5px; }
  .menu-icon i:last-child { top: 13px; width: 17px; }
  .menu-toggle[aria-expanded="true"] .menu-icon i:first-child { top: 9px; transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-icon i:last-child { top: 9px; width: 24px; transform: rotate(-45deg); }
  .site-nav {
    position: fixed;
    z-index: 29;
    inset: 72px 0 auto;
    display: none;
    padding: 20px 24px 30px;
    border-bottom: 1px solid var(--line-dark);
    background: var(--night);
  }
  .header-actions { gap: 10px; }
  .language-switcher { order: 1; padding-left: 0; border-left: 0; }
  .menu-toggle { order: 2; }
  .site-nav { order: 3; }
  .site-nav.is-open { display: block; }
  .site-nav ul { align-items: stretch; flex-direction: column; }
  .site-nav li { border-bottom: 1px solid var(--line-dark); }
  .site-nav a { min-height: 54px; padding-inline: 0; font-size: 1rem; }
  .site-nav .nav-login a { margin: 12px 0 0; justify-content: center; border: 1px solid rgba(117, 178, 168, .6); }
  .hero { min-height: auto; }
  .hero-slides { min-height: 0; }
  .hero-slide { position: relative; padding: 70px 0 52px; }
  .hero-slide:not(.is-active) { display: none; }
  .hero-slide.is-flipped .hero-grid { grid-template-columns: 1fr .65fr; }
  .hero-grid { grid-template-columns: 1fr .65fr; gap: 24px; }
  .observation-mark { width: min(480px, 58vw); margin-top: -64px; margin-right: -16%; }
  .index-heading { grid-template-columns: 120px 1fr; }
  .index-heading p { grid-column: 2; }
  .field-item { grid-template-columns: 120px 1fr 28px; }
  .field-item > span:nth-child(3) { display: none; }
  .archive-record { grid-template-columns: 72px 1fr 24px; gap: 20px; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 32px, 1180px); }
  .eyebrow, .field-code, .record-number, .meta { font-size: .75rem; }
  .menu-label { font-size: .75rem; }
  .header-inner { gap: 8px; }
  .header-actions { gap: 4px; }
  .brand { gap: 8px; }
  .brand-mark { width: 32px; height: 32px; }
  .brand-copy strong { font-size: .86rem; }
  .brand-copy small { display: none; }
  .language-switcher a { min-width: 44px; font-size: .7rem; }
  .menu-label { display: none; }
  .menu-toggle { min-width: 44px; justify-content: flex-end; }
  .header-inner { min-height: 66px; }
  .site-nav { inset: 66px 0 auto; }
  .hero-slide { padding: 56px 0 36px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-slide.is-flipped .hero-grid { grid-template-columns: 1fr; }
  .hero-slide.is-flipped .observation-mark { order: 0; }
  .hero h1, .hero .hero-display { margin: 14px 0 18px; font-size: clamp(2.8rem, 15vw, 4.6rem); }
  .psi-lang-en .hero h1, .psi-lang-en .hero .hero-display { font-size: clamp(2.2rem, 9vw, 3rem); line-height: 1.18; letter-spacing: -.04em; }
  .hero-intro { line-height: 1.75; }
  .hero-actions .button { flex: 1 1 auto; }
  .archive-protocol { margin-top: 32px; }
  .archive-protocol span { padding-inline: 10px; font-size: .68rem; }
  .archive-protocol strong { display: block; margin-bottom: 2px; }
  .observation-mark, .observation-mark.is-wide, .observation-mark.is-compact, .observation-mark.is-offset {
    position: absolute;
    top: -8%;
    right: -28%;
    width: 340px;
    margin: 0;
    transform: none;
    opacity: .22;
    pointer-events: none;
  }
  .hero-slide.is-flipped .observation-mark { right: auto; left: -18%; }
  .hero-coordinate { display: none; }
  .hero-controls { right: 16px; bottom: 14px; gap: 6px; }
  .hero-toggle { display: none; }
  .research-index { padding-top: 48px; }
  .index-heading { display: block; padding-bottom: 20px; }
  .index-heading h2 { margin: 7px 0 12px; }
  .field-item { grid-template-columns: 1fr 28px; min-height: 94px; gap: 10px; padding-block: 16px; }
  .field-code { grid-column: 1; }
  .field-item strong { grid-column: 1; font-size: 1.2rem; }
  .field-item b { grid-column: 2; grid-row: 1 / span 2; align-self: center; }
  .section { padding: 64px 0; }
  .section-head { align-items: start; flex-direction: column; }
  .archive-record { grid-template-columns: 72px 1fr 22px; gap: 14px; min-height: 0; padding-block: 18px; }
  .record-number { grid-column: 1; }
  .record-content { grid-column: 2; }
  .record-content h3 { font-size: 1.15rem; }
  .record-content p { display: none; }
  .record-arrow { grid-column: 3; }
  .membership-grid { grid-template-columns: 1fr; gap: 28px; }
  .membership-callout { padding: 56px 0; }
  .card-grid { grid-template-columns: 1fr; }
  .entry { width: min(100% - 24px, 880px); margin: 28px auto; padding: 28px 22px 36px; }
  .page-member-library .entry { width: min(100% - 24px, 880px); }
  .entry-title { font-size: clamp(2rem, 11vw, 3.4rem); }
  .psi-gallery-grid { grid-template-columns: 1fr; }
  .psi-pdf-header { align-items: flex-start; flex-direction: column; }
  .psi-pdf-controls { width: 100%; justify-content: space-between; }
  .psi-pdf-controls [data-page-status] { flex: 1; }
  .psi-pdf-stage { min-height: 420px; padding: 10px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 36px; }
  .footer-links { flex-wrap: wrap; gap: 16px 22px; }
  .footer-meta { align-items: start; flex-direction: column; gap: 8px; }
  .footer-meta { font-size: .68rem; }
  .empty-state { align-items: start; padding: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media print {
  body > *:not(.psi-print-block) { display: none !important; }
  .psi-print-block {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    color: #111;
    font: 700 18pt var(--font-data);
  }
}