:root {
  color-scheme: light;
  --bg: #f5f6f4;
  --bg-soft: #edf3ef;
  --surface: #ffffff;
  --surface-strong: #fbfcfb;
  --ink: #17201d;
  --muted: #5f6c67;
  --faint: #8a9691;
  --line: #d8e0db;
  --line-strong: #bbc8c1;
  --maroon: #8c1d40;
  --maroon-dark: #67152f;
  --teal: #0d6d62;
  --gold: #c28a11;
  --danger: #b42318;
  --success: #16794f;
  --shadow: 0 18px 45px rgba(23, 32, 29, 0.08);
  --shadow-small: 0 10px 26px rgba(23, 32, 29, 0.06);
  --radius: 8px;
  --content: 1160px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #fff;
  color: var(--ink);
  line-height: 1.6;
}

a {
  color: var(--maroon);
  text-decoration: none;
  transition: color 0.22s var(--ease), background-color 0.22s var(--ease), border-color 0.22s var(--ease), transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

a:hover {
  color: var(--teal);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 13px max(22px, calc((100vw - var(--content)) / 2));
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
  transition: box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-weight: 800;
}

.brand:hover {
  color: var(--ink);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--maroon);
  color: #fff;
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.brand:hover .brand-mark {
  transform: translateY(-1px) scale(1.04);
  box-shadow: 0 8px 18px rgba(140, 29, 64, 0.18);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius);
  padding: 0 9px;
  color: var(--muted);
}

.site-nav a:hover,
.site-nav a.active,
.site-nav .lang-link {
  background: rgba(13, 109, 98, 0.08);
  color: var(--ink);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-size: 20px;
}

main {
  width: min(var(--content), calc(100vw - 36px));
  margin: 0 auto;
}

.faculty-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 54px;
  align-items: start;
  padding: 56px 0 42px;
}

.home-brief {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.78fr);
  gap: 16px;
  margin-top: 30px;
  max-width: 860px;
}

.brief-panel {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 18px;
  transition: transform 0.34s var(--ease), border-color 0.34s var(--ease), box-shadow 0.34s var(--ease);
}

.brief-panel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--maroon);
  transform: scaleY(0.38);
  transform-origin: top;
  transition: transform 0.36s var(--ease), background-color 0.36s var(--ease);
}

.brief-panel:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-small);
}

.brief-panel:hover::before {
  background: var(--teal);
  transform: scaleY(1);
}

.brief-panel span {
  display: block;
  margin-bottom: 8px;
  color: var(--maroon);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.brief-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.62;
}

.brief-panel a {
  display: inline-flex;
  width: fit-content;
  margin-top: auto;
  padding-top: 13px;
  font-size: 14px;
  font-weight: 850;
}

.theme-panel ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.theme-panel li {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border: 1px solid rgba(13, 109, 98, 0.18);
  border-radius: var(--radius);
  background: rgba(13, 109, 98, 0.06);
  color: var(--teal);
  padding: 0 10px;
  font-size: 13px;
  font-weight: 750;
  transition: transform 0.24s var(--ease), background-color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.theme-panel li:hover {
  border-color: rgba(13, 109, 98, 0.34);
  background: rgba(13, 109, 98, 0.1);
  transform: translateY(-1px);
}

.faculty-main h1 {
  margin: 0;
  color: var(--ink);
  font-size: 48px;
  line-height: 1.08;
  letter-spacing: 0;
}

.faculty-main .lead {
  max-width: 780px;
  margin: 22px 0 0;
  color: #3f4b47;
  font-size: 19px;
  line-height: 1.7;
}

.profile-copy {
  max-width: 790px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 17px;
}

.faculty-card {
  border: 1px solid var(--line);
  border-top: 5px solid var(--maroon);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
  transition: transform 0.36s var(--ease), box-shadow 0.36s var(--ease), border-color 0.36s var(--ease);
}

.faculty-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-small);
}

.faculty-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: block;
  border-radius: var(--radius);
  object-fit: cover;
  background: #10221d;
  transition: transform 0.5s var(--ease), filter 0.5s var(--ease);
}

.faculty-card:hover .faculty-photo {
  filter: saturate(1.08) contrast(1.02);
  transform: scale(1.015);
}

.faculty-card h2 {
  margin: 18px 0 4px;
  font-size: 24px;
  line-height: 1.18;
}

.faculty-title {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
  line-height: 1.45;
}

.faculty-details {
  display: grid;
  gap: 14px;
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.faculty-details div {
  display: grid;
  gap: 4px;
}

.faculty-details dt {
  color: var(--faint);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.faculty-details dd {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.faculty-links,
.contact-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.faculty-links a,
.contact-list a {
  color: var(--maroon);
  font-weight: 800;
}

.plain-section {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 42px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.section-page {
  min-height: calc(100vh - 180px);
  padding-top: 56px;
  border-top: 0;
}

.plain-section h2 {
  margin: 0;
  font-size: 26px;
  line-height: 1.2;
}

.research-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 17px;
}

.research-list li + li {
  margin-top: 8px;
}

.simple-list {
  display: grid;
  gap: 0;
  max-width: 880px;
}

.simple-list article {
  padding: 0 0 20px;
  border-bottom: 1px solid var(--line);
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease);
}

.simple-list article:hover {
  border-color: var(--line-strong);
  transform: translateX(3px);
}

.simple-list article + article {
  padding-top: 20px;
}

.simple-list h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.simple-list p {
  margin: 6px 0 0;
  color: var(--muted);
}

.simple-list time {
  display: inline-flex;
  margin-bottom: 4px;
  color: var(--faint);
  font-size: 13px;
  font-weight: 800;
}

.publication-item .link-row {
  margin-top: 10px;
}

.publication-item .link-row a {
  min-height: auto;
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 0;
  color: var(--maroon);
}

.contact-plain {
  margin-bottom: 36px;
}

.contact-plain .address {
  margin: 14px 0 0;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.58s var(--ease), transform 0.58s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1fr);
  gap: 46px;
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 56px 0 40px;
}

.hero-copy {
  max-width: 790px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--maroon);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 780px;
  font-size: 72px;
  line-height: 1;
  letter-spacing: 0;
}

.lead {
  max-width: 760px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.7;
}

.hero-focus {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 26px;
}

.hero-focus span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border: 1px solid rgba(13, 109, 98, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--teal);
  padding: 0 13px;
  font-size: 13px;
  font-weight: 800;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(23, 32, 29, 0.04);
}

.button.primary {
  border-color: var(--maroon);
  background: var(--maroon);
  color: white;
}

.button.danger {
  border-color: #f0b9b4;
  color: var(--danger);
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-small);
}

.hero-aside {
  display: grid;
  gap: 14px;
}

.hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 11;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #10221d;
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 42%, rgba(10, 18, 16, 0.76));
}

.visual-caption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  z-index: 1;
  display: grid;
  gap: 4px;
  color: #fff;
}

.visual-caption span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.visual-caption strong {
  font-size: 17px;
  line-height: 1.3;
}

.portrait-fallback {
  display: grid;
  place-items: center;
  color: var(--maroon);
  font-size: 76px;
  font-weight: 900;
}

.identity-panel {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  padding: 17px;
  box-shadow: var(--shadow-small);
}

.identity-panel strong {
  line-height: 1.35;
}

.identity-panel span {
  color: var(--muted);
  font-size: 14px;
}

.identity-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  overflow: hidden;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--maroon), var(--teal));
  color: #fff;
  font-weight: 900;
}

.identity-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.panel-label {
  margin: 0;
  color: var(--gold);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.quick-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-small);
}

.quick-stats div {
  display: grid;
  gap: 2px;
  min-height: 96px;
  align-content: center;
  padding: 18px;
  background: transparent;
  border-right: 1px solid var(--line);
}

.quick-stats div:last-child {
  border-right: 0;
}

.quick-stats strong {
  font-size: 34px;
  line-height: 1;
}

.quick-stats span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 34px;
  align-items: end;
  margin-top: 18px;
  border: 1px solid rgba(216, 224, 219, 0.92);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(140, 29, 64, 0.08), rgba(13, 109, 98, 0.08)),
    rgba(255, 255, 255, 0.88);
  padding: 30px;
  box-shadow: var(--shadow-small);
}

.feature-band h2 {
  max-width: 780px;
  margin-bottom: 14px;
  font-size: 30px;
}

.feature-band p {
  margin: 0;
  color: var(--muted);
}

.feature-meta {
  display: grid;
  gap: 10px;
  border-left: 1px solid var(--line);
  padding-left: 26px;
}

.feature-meta .authors {
  color: var(--ink);
  font-weight: 750;
}

.section-grid,
.content-section,
.contact-section,
.post-detail {
  padding: 82px 0;
  border-top: 1px solid var(--line);
}

.section-grid {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 54px;
}

h2 {
  margin: 0 0 18px;
  font-size: 36px;
  line-height: 1.14;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  line-height: 1.3;
  letter-spacing: 0;
}

.prose {
  max-width: 820px;
  color: var(--muted);
  font-size: 18px;
}

.prose h3 {
  margin-top: 30px;
  color: var(--ink);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.tag-row span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 11px;
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.tag-row.small span {
  min-height: 26px;
  font-size: 12px;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 28px;
  align-items: end;
  margin-bottom: 24px;
}

.section-head > p {
  margin: 0;
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card,
.paper,
.education-item,
.timeline-item {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.88);
  padding: 22px;
  box-shadow: 0 1px 0 rgba(23, 32, 29, 0.04);
}

.card::before,
.paper::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  border-radius: var(--radius) 0 0 var(--radius);
  background: linear-gradient(180deg, var(--maroon), var(--teal));
  opacity: 0.88;
}

.card:hover,
.paper:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-small);
}

.card time,
.paper .authors,
.education-item time,
.timeline-item time {
  color: var(--faint);
  font-size: 13px;
  font-weight: 800;
}

.card p,
.paper p,
.education-item p,
.timeline-item p {
  color: var(--muted);
}

.text-link {
  display: inline-flex;
  margin-top: 14px;
  font-weight: 850;
}

.empty-state {
  padding: 20px 22px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.62);
  color: var(--muted);
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.focus-card {
  min-height: 220px;
  display: grid;
  align-content: end;
  gap: 10px;
  border: 1px solid rgba(216, 224, 219, 0.92);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  padding: 20px;
  box-shadow: 0 1px 0 rgba(23, 32, 29, 0.04);
}

.focus-card:nth-child(2) {
  background: rgba(255, 255, 255, 0.86);
}

.focus-card:nth-child(3) {
  background: rgba(255, 255, 255, 0.86);
}

.focus-card::before {
  content: "";
  width: 42px;
  height: 3px;
  background: linear-gradient(90deg, var(--maroon), var(--teal));
  border-radius: 999px;
}

.focus-card span {
  color: var(--teal);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.focus-card h3 {
  margin: 0;
  font-size: 22px;
}

.focus-card p {
  margin: 0;
  color: var(--muted);
}

.timeline,
.stack {
  display: grid;
  gap: 14px;
}

.paper h3 {
  max-width: 900px;
}

.authors b,
.authors strong {
  color: var(--ink);
}

.link-row,
.contact-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.link-row a,
.contact-grid a {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  border: 1px solid rgba(13, 109, 98, 0.18);
  border-radius: var(--radius);
  padding: 0 12px;
  background: rgba(13, 109, 98, 0.07);
  color: var(--teal);
  font-weight: 800;
}

.contact-section {
  margin-bottom: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(140, 29, 64, 0.08), rgba(13, 109, 98, 0.08)), rgba(255, 255, 255, 0.78);
  padding: 42px;
}

.address {
  margin-top: 20px;
  color: var(--muted);
}

.post-detail {
  max-width: 850px;
}

.post-detail h1 {
  margin: 0 0 18px;
  font-size: 56px;
  line-height: 1.06;
  letter-spacing: 0;
}

.post-body {
  margin-top: 30px;
  color: #2f3a37;
  font-size: 18px;
}

.back-link {
  display: inline-flex;
  margin-bottom: 22px;
  font-weight: 850;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(var(--content), calc(100vw - 36px));
  margin: 0 auto;
  padding: 28px 0 36px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.admin-login-page,
.gate-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 22px;
}

.gate-page {
  background:
    linear-gradient(90deg, rgba(23, 32, 29, 0.04) 1px, transparent 1px),
    linear-gradient(180deg, rgba(23, 32, 29, 0.035) 1px, transparent 1px),
    linear-gradient(135deg, #fbfbf8 0%, #edf4ef 48%, #f7f3ec 100%);
  background-size: 42px 42px, 42px 42px, auto;
}

.gate-shell {
  width: min(980px, calc(100vw - 32px));
  display: grid;
  grid-template-columns: minmax(0, 1fr) 410px;
  gap: 28px;
  align-items: stretch;
}

.gate-copy {
  display: grid;
  align-content: end;
  min-height: 520px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(9, 21, 18, 0.12), rgba(9, 21, 18, 0.42)),
    url("/assets/signal-hero.webp") center / cover no-repeat;
  padding: 34px;
  box-shadow: var(--shadow);
  color: white;
}

.gate-copy h1 {
  margin: 0;
  font-size: 64px;
  line-height: 1;
  letter-spacing: 0;
}

.gate-copy .eyebrow {
  color: rgba(255, 255, 255, 0.82);
}

.gate-copy p:not(.eyebrow) {
  max-width: 520px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.gate-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.gate-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.88);
  padding: 0 11px;
  font-size: 13px;
  font-weight: 800;
}

.login-panel {
  width: min(430px, calc(100vw - 32px));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  padding: 28px;
  box-shadow: var(--shadow);
}

.gate-panel {
  width: 100%;
  align-self: stretch;
  display: grid;
  align-content: center;
}

.login-panel h1 {
  margin: 0 0 18px;
}

.login-panel h2 {
  margin: 0 0 12px;
  font-size: 30px;
  line-height: 1.15;
  letter-spacing: 0;
}

.admin-page {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  min-height: 100vh;
  background: #f3f5f2;
}

.admin-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px;
  background: #161d1b;
}

.admin-brand {
  margin-bottom: 16px;
  color: white;
  font-size: 18px;
  font-weight: 850;
}

.admin-sidebar a {
  display: flex;
  align-items: center;
  min-height: 40px;
  border-radius: var(--radius);
  padding: 0 12px;
  color: #cfd7d3;
  font-weight: 750;
}

.admin-sidebar a:hover,
.admin-sidebar a.active {
  background: #24302d;
  color: white;
}

.admin-main {
  width: 100%;
  max-width: 1280px;
  padding: 24px;
}

.admin-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 18px;
}

.admin-top h1 {
  margin: 0;
  font-size: 34px;
}

.notice {
  margin: 0 0 16px;
  border-radius: var(--radius);
  padding: 12px 14px;
  font-weight: 750;
}

.notice.success {
  border: 1px solid #a7d7bf;
  background: #eef9f2;
  color: var(--success);
}

.notice.error {
  border: 1px solid #eab1aa;
  background: #fff4f2;
  color: var(--danger);
}

.admin-form {
  display: grid;
  gap: 16px;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.admin-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.admin-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.edit-card {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 16px;
}

.edit-card h2 {
  margin-bottom: 4px;
  font-size: 18px;
}

.edit-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.editor-list {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  color: var(--ink);
  font: inherit;
  font-weight: 500;
}

input {
  min-height: 40px;
  padding: 0 10px;
}

textarea {
  resize: vertical;
  padding: 10px;
  line-height: 1.5;
}

input[type="file"] {
  padding: 8px;
}

.help {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14px;
}

.admin-actions {
  position: sticky;
  bottom: 0;
  display: flex;
  gap: 10px;
  padding: 14px 0;
  background: linear-gradient(to bottom, rgba(243, 245, 242, 0), #f3f5f2 35%);
}

@media (max-width: 1080px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 38px;
  }

  .hero h1 {
    font-size: 62px;
  }
}

@media (max-width: 900px) {
  .site-header {
    padding: 12px 18px;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .site-nav {
    position: absolute;
    top: 64px;
    right: 18px;
    display: flex;
    width: min(300px, calc(100vw - 36px));
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    padding: 8px;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.24s var(--ease), transform 0.24s var(--ease), visibility 0.24s var(--ease);
    visibility: hidden;
  }

  .site-nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    visibility: visible;
  }

  .site-nav a {
    justify-content: flex-start;
    border-radius: var(--radius);
    padding: 10px;
  }

  .hero,
  .faculty-layout,
  .plain-section,
  .section-grid,
  .card-grid,
  .focus-grid,
  .feature-band,
  .admin-grid,
  .admin-grid.two,
  .admin-grid.three,
  .admin-page,
  .section-head {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 44px;
  }

  .faculty-layout {
    gap: 28px;
    padding: 34px 0 28px;
  }

  .home-brief {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .faculty-main h1 {
    font-size: 42px;
  }

  .plain-section {
    gap: 16px;
    padding: 28px 0;
  }

  .hero h1 {
    font-size: 54px;
  }

  .hero-aside {
    max-width: 360px;
  }

  .quick-stats {
    grid-template-columns: 1fr;
  }

  .feature-meta {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 20px;
  }

  .quick-stats div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .quick-stats div:last-child {
    border-bottom: 0;
  }

  .admin-sidebar {
    position: static;
    height: auto;
  }

  .admin-main {
    padding: 18px;
  }

  .gate-shell {
    grid-template-columns: 1fr;
  }

  .gate-copy {
    min-height: auto;
  }

  .gate-copy h1 {
    font-size: 52px;
  }
}

@media (max-width: 560px) {
  main,
  .site-footer {
    width: min(100vw - 24px, var(--content));
  }

  .brand span:last-child {
    display: none;
  }

  .hero h1 {
    font-size: 42px;
    line-height: 1.04;
  }

  .faculty-main h1 {
    font-size: 38px;
  }

  .faculty-main .lead,
  .profile-copy,
  .research-list {
    font-size: 16px;
  }

  .faculty-card {
    padding: 14px;
  }

  .plain-section h2 {
    font-size: 24px;
  }

  .lead,
  .prose,
  .post-body {
    font-size: 16px;
  }

  h2 {
    font-size: 30px;
  }

  .section-grid,
  .content-section,
  .contact-section,
  .post-detail {
    padding: 58px 0;
  }

  .contact-section {
    padding: 24px;
  }

  .site-footer {
    flex-direction: column;
  }

  .gate-copy {
    padding: 24px;
  }

  .gate-copy h1 {
    font-size: 40px;
  }
}