*, *::before, *::after { box-sizing: border-box; }
html { font-size: var(--fs-base); scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}
body.has-contact-footer {
  padding-bottom: calc(var(--contact-footer-h) + var(--bottom-nav-h) + var(--safe-area-bottom));
}
.container { max-width: 960px; margin: 0 auto; padding: 0 16px; }
.section-title { font-size: var(--fs-h2); color: var(--color-primary); margin: 0 0 8px; }
.section-desc { color: var(--color-text-secondary); margin: 0 0 24px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px; border-radius: 10px; border: none;
  font-size: 15px; cursor: pointer; text-decoration: none; font-family: inherit;
}
.btn-primary { background: var(--color-primary); color: #fff; font-weight: 600; }
.btn-secondary { background: var(--color-bg-card); color: var(--color-text); border: 1px solid var(--color-border); }
.btn-gold { background: linear-gradient(135deg, #DAA520, #FFD700); color: #1A1A2E; font-weight: 700; }
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 9999; padding: 8px 16px; background: #000; color: #fff; }
.skip-link:focus { left: 0; }
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
[data-theme="tech-cyan"] .navbar { background: rgba(15,23,42,0.92); }
.navbar-inner { display: flex; align-items: center; gap: 10px; padding: 10px 16px; }
.navbar-title { font-weight: 600; flex: 1; }
.navbar-actions { display: flex; gap: 6px; }
.navbar-actions .btn { padding: 6px 10px; font-size: 12px; }

.contact-footer {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 850;
  background: #1a1a1a;
  padding: .55rem .75rem calc(.55rem + var(--safe-area-bottom));
  border-top: 1px solid rgba(255,255,255,0.08);
}
.contact-footer__btns {
  display: grid; grid-template-columns: repeat(3, minmax(0, 88px));
  justify-content: center; gap: .4rem; max-width: 320px; margin: 0 auto;
}
.contact-footer__cta {
  display: block; background: #c41e1e !important; color: #fff !important;
  text-align: center; padding: .48rem .2rem; border-radius: 6px;
  font-size: .72rem; font-weight: 700; text-decoration: none; white-space: nowrap;
}
.contact-footer__btn {
  display: block; background: transparent; border: 1px solid rgba(255,255,255,0.35);
  color: #fff; padding: .48rem .2rem; border-radius: 6px; font-size: .72rem;
  cursor: pointer; text-align: center; text-decoration: none; white-space: nowrap; font-family: inherit;
}
.contact-footer__brand { text-align: center; font-size: .62rem; color: rgba(255,255,255,0.5); margin: .4rem 0 0; }
body.has-contact-footer .zw-root .zw-fab { bottom: calc(var(--contact-footer-h) + 12px + var(--safe-area-bottom)); }

.chapter { min-height: 100vh; padding: 64px 0 48px; scroll-snap-align: start; }
main.snap-scroll { scroll-snap-type: y proximity; }
.chapter-hero {
  display: flex; align-items: center; justify-content: center; text-align: center;
  background: linear-gradient(160deg, var(--color-primary) 0%, #0A1628 85%);
  color: #fff; position: relative;
}
.hero-logo {
  width: 100px; height: 100px; border-radius: 50%; border: 3px solid rgba(255,255,255,0.5);
  object-fit: cover; margin-bottom: 16px;
}
.hero-title { font-size: clamp(1.75rem, 5vw, 2.5rem); margin: 0 0 8px; }
.hero-sub { font-size: 1.1rem; opacity: 0.9; margin: 0 0 8px; }
.hero-desc { font-size: 14px; opacity: 0.75; margin: 0 0 12px; }
.demo-badge {
  display: inline-block; font-size: 12px; padding: 4px 10px; border-radius: 20px;
  background: rgba(255,255,255,0.15); margin-bottom: 16px;
}

.bottom-nav {
  position: fixed; bottom: calc(var(--contact-footer-h) + var(--safe-area-bottom));
  left: 0; right: 0; z-index: 800; height: var(--bottom-nav-h);
  background: var(--color-bg-card); border-top: 1px solid var(--color-border);
  padding: 4px 8px; box-sizing: border-box;
}
.bottom-nav ul { display: flex; justify-content: space-around; list-style: none; margin: 0; padding: 0; }
.bottom-nav a { color: var(--color-text-secondary); text-decoration: none; font-size: 11px; padding: 4px; }
.bottom-nav a.active { color: var(--color-primary); font-weight: 600; }

.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 24px; }
@media (min-width: 768px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
.stat-card {
  background: var(--color-bg-card); border-radius: 14px; padding: 16px; text-align: center;
  border: 1px solid var(--color-border); box-shadow: var(--theme-shadow);
}
.stat-icon { font-size: 24px; }
.stat-value { font-size: var(--fs-stat); font-weight: 700; color: var(--color-primary); line-height: 1.2; }
.stat-suffix { font-size: 14px; color: var(--color-text-secondary); }
.stat-label { font-size: 13px; color: var(--color-text-secondary); margin-top: 4px; }
.radar-wrap { text-align: center; margin-top: 16px; }
.radar-title { font-size: 16px; margin: 0 0 8px; color: var(--color-text-secondary); }

.timeline-item {
  display: grid; grid-template-columns: 72px 1fr; gap: 12px; margin-bottom: 16px;
  background: var(--color-bg-card); border-radius: 12px; padding: 14px;
  border: 1px solid var(--color-border);
}
.timeline-year { font-weight: 700; color: var(--color-primary); font-size: 1.1rem; }
.timeline-body img { width: 100%; border-radius: 8px; margin-top: 8px; }

.filter-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 10px; }
.filter-label { font-size: 12px; color: var(--color-text-secondary); min-width: 64px; }
.filter-chip {
  padding: 6px 12px; border-radius: 20px; border: 1px solid var(--color-border);
  background: var(--color-bg-card); font-size: 12px; cursor: pointer; font-family: inherit;
}
.filter-chip.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.honor-wall {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
}
@media (min-width: 768px) { .honor-wall { grid-template-columns: repeat(4, 1fr); } }
.honor-card {
  background: var(--color-bg-card); border-radius: 12px; padding: 10px;
  border: 1px solid var(--color-border); cursor: pointer; transition: transform .2s;
  position: relative;
}
.honor-card:hover { transform: translateY(-4px); }
.honor-card img { width: 100%; aspect-ratio: 4/5; object-fit: cover; border-radius: 8px; }
.honor-badge {
  display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 10px;
  background: var(--color-accent); color: #1A1A2E; margin: 6px 0 4px;
}
.honor-level-gold .honor-badge { background: linear-gradient(135deg, #FFD700, #FFA500); }
.honor-level-silver .honor-badge { background: linear-gradient(135deg, #E8E8E8, #A8A8A8); }
.honor-level-bronze .honor-badge { background: linear-gradient(135deg, #CD7F32, #8B6914); color: #fff; }
.honor-meta { font-size: 12px; color: var(--color-text-secondary); display: block; }
.honor-link { font-size: 11px; color: var(--color-primary); }

.honor-carousel { overflow: hidden; border-radius: 16px; }
.honor-carousel-track { display: flex; transition: transform .6s ease; }
.honor-carousel-item { flex: 0 0 100%; padding: 8px; }
.honor-carousel-card {
  background: var(--color-bg-card); border-radius: 16px; padding: 16px;
  border: 2px solid var(--color-accent); text-align: center;
}
.honor-carousel-card img { width: 100%; max-height: 220px; object-fit: cover; border-radius: 12px; }
.honor-carousel-meta { margin-top: 10px; display: flex; flex-direction: column; gap: 4px; }
.honor-carousel-dots { display: flex; justify-content: center; gap: 8px; margin-top: 10px; }
.honor-dot {
  width: 8px; height: 8px; border-radius: 50%; border: none;
  background: var(--color-border); cursor: pointer; padding: 0;
}
.honor-dot.active { background: var(--color-primary); width: 20px; border-radius: 4px; }

.member-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 768px) { .member-grid { grid-template-columns: repeat(3, 1fr); } }
.member-card {
  background: var(--color-bg-card); border-radius: 12px; padding: 14px;
  border: 1px solid var(--color-border); text-align: center;
}
.member-logo { width: 64px; height: 64px; border-radius: 12px; object-fit: cover; margin-bottom: 8px; }
.member-role { font-size: 12px; color: var(--color-primary); display: block; }
.member-industry { font-size: 12px; color: var(--color-text-secondary); }
.member-highlight { font-size: 13px; margin: 6px 0; }
.member-honor-count { font-size: 11px; color: var(--color-accent); }

.gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
@media (min-width: 768px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }
.gallery-item { margin: 0; border-radius: 10px; overflow: hidden; background: var(--color-bg-card); }
.gallery-item img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }
.gallery-item figcaption { padding: 8px; font-size: 12px; text-align: center; }

.reveal-overlay {
  position: fixed; inset: 0; z-index: 900; background: rgba(10,16,28,0.95);
  display: none; align-items: center; justify-content: center; flex-direction: column;
  color: #fff; text-align: center; padding: 24px;
}
.reveal-overlay.active { display: flex; }
.reveal-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.reveal-panel {
  position: relative; z-index: 2; opacity: 0; transform: scale(0.9);
  transition: opacity .6s, transform .6s;
}
.reveal-panel.visible { opacity: 1; transform: scale(1); }
.reveal-panel h2 { font-size: 2rem; color: #FFD700; margin: 0 0 8px; }
.reveal-count { font-size: 3rem; font-weight: 700; color: #FFD700; }
.reveal-close {
  margin-top: 20px; padding: 10px 24px; border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.4); background: transparent; color: #fff; cursor: pointer;
}

.share-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }
.share-landing-card {
  background: var(--color-bg-card); border-radius: 16px; padding: 24px;
  border: 1px solid var(--color-border); text-align: center;
}
.fab-top {
  position: fixed; right: 16px;
  bottom: calc(var(--contact-footer-h) + var(--bottom-nav-h) + 16px + var(--safe-area-bottom));
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--color-border);
  background: var(--color-bg-card); cursor: pointer; z-index: 120;
}
.a11y-toolbar {
  position: fixed; left: 8px;
  bottom: calc(var(--contact-footer-h) + var(--bottom-nav-h) + 12px + var(--safe-area-bottom));
  z-index: 120; display: flex; flex-direction: column; gap: 4px;
}
.a11y-toolbar button {
  width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--color-border);
  background: var(--color-bg-card); cursor: pointer; font-size: 12px;
}
.editor-page { padding: 16px; max-width: 720px; margin: 0 auto; }
.form-field { margin-bottom: 14px; }
.form-field label { display: block; font-size: 13px; margin-bottom: 4px; color: var(--color-text-secondary); }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; padding: 10px; border-radius: 8px; border: 1px solid var(--color-border);
  background: var(--color-bg-card); color: var(--color-text); font-family: inherit;
}
.editor-hint { font-size: 13px; color: var(--color-text-secondary); margin: 0 16px 12px; line-height: 1.5; }
.field-hint { font-size: 12px; color: var(--color-text-secondary); }
.editor-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.animate-in { animation: fadeUp .6s ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

.r158-toast {
  position: fixed; left: 50%; bottom: calc(var(--contact-footer-h) + 80px);
  transform: translateX(-50%); background: rgba(0,0,0,.8); color: #fff;
  padding: 10px 18px; border-radius: 8px; font-size: 14px; z-index: 9999;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.r158-toast.show { opacity: 1; }

.member-card--link { text-decoration: none; color: inherit; display: block; transition: transform .15s, box-shadow .15s; }
.member-card--link:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,.08); }

.member-page .member-profile-logo { width: 96px; height: 96px; border-radius: 16px; object-fit: cover; }
.member-profile-role { color: var(--color-primary); font-size: 14px; margin: 6px 0; }
.member-profile-stats { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; font-size: 13px; margin-top: 12px; }
.member-profile-stats strong { color: var(--color-primary); }

.timeline-item {
  display: flex; gap: 12px; margin-bottom: 16px; padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}
.timeline-year { font-weight: 700; color: var(--color-primary); min-width: 48px; }
.timeline-body { flex: 1; }

.medal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 360px; margin: 0 auto; }
.medal-card { aspect-ratio: 1; cursor: pointer; }
.medal-card-inner {
  position: relative; width: 100%; height: 100%; transition: transform .5s;
  transform-style: preserve-3d;
}
.medal-card.flipped .medal-card-inner { transform: rotateY(180deg); }
.medal-face {
  position: absolute; inset: 0; backface-visibility: hidden;
  display: flex; align-items: center; justify-content: center; border-radius: 12px;
  border: 2px solid var(--medal-color, var(--color-primary));
  background: var(--color-bg-card);
}
.medal-back { transform: rotateY(180deg); font-size: 12px; padding: 8px; text-align: center; }
.medal-emoji { font-size: 32px; }

.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.project-card {
  border-radius: 12px; border: 1px solid var(--color-border); padding: 8px;
  background: var(--color-bg-card);
}
.project-card img { width: 100%; border-radius: 8px; aspect-ratio: 5/3; object-fit: cover; }
.project-card strong { display: block; font-size: 13px; margin-top: 6px; }
.project-card span { font-size: 11px; color: var(--color-text-secondary); }

.linked-honor-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.linked-honor-card {
  border-radius: 12px; border: 1px solid var(--color-border); padding: 8px;
  background: var(--color-bg-card); text-align: center;
}
.linked-honor-card img { width: 100%; border-radius: 8px; aspect-ratio: 4/5; object-fit: cover; }
.linked-honor-card strong { display: block; font-size: 13px; margin-top: 6px; }
.linked-honor-card span { font-size: 11px; color: var(--color-text-secondary); }

.roster-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.roster-chip {
  display: flex; align-items: center; gap: 6px; padding: 6px 10px;
  border-radius: 20px; border: 1px solid var(--color-border);
  background: var(--color-bg-card); text-decoration: none; color: inherit; font-size: 13px;
}
.roster-chip img { width: 28px; height: 28px; border-radius: 8px; object-fit: cover; }
.roster-chip.active { border-color: var(--color-primary); background: rgba(196,30,42,0.08); }

.member-editor-row {
  margin-bottom: 16px; padding: 12px; border-radius: 12px;
  border: 1px solid var(--color-border); background: var(--color-bg-card);
}
.member-editor-row__head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.member-editor-row__actions { display: flex; gap: 6px; flex-wrap: wrap; }
.import-toolbar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.editor-section-title { font-size: 17px; margin: 20px 0 10px; padding-top: 8px; border-top: 1px solid var(--color-border); }
.hidden-input { position: absolute; width: 0; height: 0; opacity: 0; pointer-events: none; }
.avatar-field { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.avatar-preview { width: 56px; height: 56px; border-radius: 12px; object-fit: cover; background: var(--color-border); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.student-editor-star { display: flex; align-items: center; gap: 8px; font-size: 14px; margin-top: 8px; }
.editor-modal {
  position: fixed; inset: 0; z-index: 200; background: rgba(0,0,0,.45);
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.editor-modal.hidden { display: none; }
.editor-modal__panel {
  background: var(--color-bg-card); border-radius: 16px; padding: 16px;
  max-width: 480px; width: 100%;
}
.editor-modal__panel--wide { max-width: 560px; max-height: 90vh; overflow-y: auto; }
.editor-modal__panel textarea {
  width: 100%; padding: 10px; border-radius: 8px; border: 1px solid var(--color-border);
  font-family: inherit; margin: 8px 0;
}
.editor-modal__actions { display: flex; gap: 8px; margin-top: 12px; }
.import-mode { display: flex; gap: 12px; font-size: 14px; margin: 8px 0; }
.detail-subtitle { font-size: 14px; margin: 14px 0 8px; color: var(--color-text-secondary); }
.detail-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 8px; }
.detail-item-row {
  display: grid; grid-template-columns: repeat(3, 1fr) auto; gap: 6px; align-items: center;
}
.detail-item-row--project { grid-template-columns: 1fr 1fr 88px 1fr 1fr auto; }
.detail-item-row input {
  width: 100%; padding: 6px 8px; border-radius: 6px; border: 1px solid var(--color-border);
  font-size: 13px; min-width: 0;
}
@media (max-width: 520px) {
  .detail-item-row, .detail-item-row--project { grid-template-columns: 1fr 1fr; }
}