/* ============================================
   FarDU Scientific Bulletin
   Premium Theme & Auth Pages v2.0
   ============================================ */

/* ══════════════════════════════════════════════
   HOME PAGE - PRISM LAYOUT
   ══════════════════════════════════════════════ */
.home-prism {
  padding: var(--sp-4) 0 var(--sp-16);
}

.home-prism__hero {
  padding: var(--sp-6) var(--sp-8);
  background:
    radial-gradient(circle at top right, rgba(var(--accent-rgb, 20, 184, 166), 0.10), transparent 36%),
    radial-gradient(circle at left center, rgba(193, 128, 64, 0.12), transparent 32%),
    linear-gradient(145deg, rgba(255, 253, 250, 0.94), rgba(248, 243, 234, 0.92));
  border-radius: var(--radius-2xl);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--sp-6);
}

.home-prism__hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-10);
  align-items: start;
  /* Override .container horizontal padding — hero section provides its own padding */
  padding-left: 0;
  padding-right: 0;
}

.home-prism__intro {
  padding: var(--sp-4) 0;
}

.home-prism__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-bottom: var(--sp-6);
}

.home-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.home-chip::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-500), var(--secondary));
}

.home-prism__title {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-6);
}

.home-prism__lead {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  margin-bottom: var(--sp-8);
  max-width: 520px;
}

.home-prism__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.home-prism__metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
  margin-top: var(--sp-10);
}

.home-metric-tile {
  padding: var(--sp-4);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  text-align: center;
}

.home-metric-tile strong {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
}

.home-metric-tile span {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* Signal Grid */
.home-prism__signal {
  padding: var(--sp-6);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
}

.home-prism__signal-head {
  margin-bottom: var(--sp-6);
}

.home-prism__signal-head h2 {
  margin-top: var(--sp-2);
  font-size: var(--text-2xl);
}

.home-prism__signal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
}

.home-signal-card {
  padding: var(--sp-5);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  transition: all var(--duration-fast);
}

.home-signal-card:hover {
  border-color: var(--accent-200);
  box-shadow: var(--shadow-sm);
}

.home-signal-card span:first-child {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--sp-1);
}

.home-signal-card strong {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--accent-700);
  margin-bottom: var(--sp-2);
}

.home-signal-card p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.home-signal-card--action {
  background: linear-gradient(135deg, var(--accent-50), var(--accent-100));
  border-color: var(--accent-200);
}

/* Trust Strip */
.home-trust {
  padding: var(--sp-8) 0;
}

.home-trust-strip {
  padding: var(--sp-8);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
}

.home-trust-strip__copy {
  margin-bottom: var(--sp-6);
}

.home-trust-strip__copy h2 {
  margin-top: var(--sp-2);
}

.home-trust-strip__copy p {
  color: var(--text-secondary);
  max-width: 600px;
}

.home-trust-strip__proofs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-bottom: var(--sp-8);
}

.home-trust-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--sp-4) var(--sp-6);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  text-align: center;
  min-width: 120px;
}

.home-trust-chip strong {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--text-primary);
}

.home-trust-chip span {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.home-trust-strip__actions {
  display: flex;
  gap: var(--sp-4);
}

/* ══════════════════════════════════════════════
   PORTAL PAGE (journal.ilmfdu.uz style)
   ══════════════════════════════════════════════ */
.portal-body {
  min-height: 100vh;
  color: var(--text-primary);
  background: var(--bg-body);
}

.portal-shell {
  width: min(1240px, calc(100% - 2rem));
  margin: var(--sp-4) auto 0;
  padding: var(--sp-4);
  border-radius: var(--radius-2xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(252, 247, 239, 0.88));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
}

.portal-header {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 3vw, 2.4rem);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top right, rgba(var(--accent-rgb, 99, 102, 241), 0.14), transparent 24%),
    radial-gradient(circle at left center, rgba(var(--accent-rgb, 193, 128, 64), 0.08), transparent 28%),
    linear-gradient(140deg, rgba(255, 251, 245, 0.96), rgba(248, 240, 228, 0.94));
  border: 1px solid var(--glass-border);
  margin-bottom: var(--sp-4);
}

.portal-header--compact {
  padding-block: clamp(1.1rem, 2.2vw, 1.7rem);
}

.portal-header__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-bottom: var(--sp-8);
}

.portal-header--compact .portal-header__top {
  margin-bottom: 0;
}

.portal-header__uni {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-4);
}

.portal-header__logo {
  width: 62px;
  height: 62px;
  border-radius: var(--radius-lg);
  object-fit: contain;
  background: rgba(255, 255, 255, 0.92);
  padding: 6px;
  box-shadow: var(--shadow-md);
}

.portal-header__eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-caption);
  margin-bottom: var(--sp-1);
}

.portal-header__uni-name {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  font-weight: 650;
  color: var(--text-primary);
}

.portal-header__uni-name--primary {
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  line-height: 1.12;
  max-width: 26ch;
}

.portal-lang {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 4px;
  background: rgba(28, 31, 42, 0.06);
  border: 1px solid rgba(40, 46, 63, 0.08);
  border-radius: var(--radius-full);
}

.portal-lang button {
  min-width: 3rem;
  padding: 0.62rem 0.95rem;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wider);
  transition: all var(--duration-fast);
}

.portal-lang button.active {
  background: linear-gradient(135deg, var(--ink-800), var(--ink-700));
  color: #fff;
  box-shadow: 0 12px 24px rgba(22, 28, 43, 0.18);
}

.portal-lang button:hover:not(.active) {
  color: var(--text-primary);
  transform: translateY(-1px);
}

.portal-header__content {
  max-width: 760px;
  position: relative;
  z-index: 1;
}

.portal-header__title {
  font-size: clamp(2.25rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.portal-header__title strong {
  display: block;
  margin-top: var(--sp-2);
  color: var(--secondary);
}

.portal-header__subtitle {
  margin: var(--sp-4) 0 0;
  max-width: 640px;
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
}

.portal-header__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}

.portal-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--border);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.portal-chip::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary), var(--accent-500));
}

/* Portal Main */
.portal-main {
  padding: var(--sp-5) 0;
}

.portal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-5);
}

.portal-card {
  position: relative;
  overflow: hidden;
  min-height: 270px;
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, var(--bg-elevated), var(--bg-card));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  transition: all var(--duration-normal) var(--ease-out);
}

.portal-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  text-decoration: none;
}

.portal-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.9), transparent);
  opacity: 0.92;
}

.portal-card__icon {
  width: 3.4rem;
  height: 3.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.76);
  font-size: var(--text-2xl);
}

.portal-card__name {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
  line-height: 1.15;
}

.portal-card__desc {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  font-size: var(--text-sm);
  flex: 1 1 auto;
}

.portal-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.portal-card__meta span {
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  font-size: var(--text-xs);
  font-weight: 600;
}

.portal-card__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--radius-full);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 700;
  box-shadow: 0 14px 30px rgba(25, 31, 48, 0.16);
  align-self: flex-start;
}

/* Featured Card (SJFSU) */
.portal-card--featured {
  grid-column: span 2;
  min-height: 300px;
  padding: var(--sp-5);
  display: grid;
  grid-template-columns: minmax(0, 1.34fr) minmax(320px, 0.96fr);
  align-items: stretch;
  gap: var(--sp-3);
  background:
    radial-gradient(circle at top right, rgba(101, 134, 205, 0.16), transparent 28%),
    radial-gradient(circle at bottom left, rgba(198, 144, 77, 0.18), transparent 28%),
    linear-gradient(145deg, rgba(31, 36, 54, 0.96), rgba(22, 24, 38, 0.98));
  color: var(--cream-50);
  border-color: rgba(245, 209, 160, 0.16);
}

.portal-featured__main {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.portal-featured__main--link {
  text-decoration: none;
  color: inherit;
  border-radius: calc(var(--radius-xl) - 0.35rem);
  transition: transform var(--duration-fast), background var(--duration-fast), box-shadow var(--duration-fast);
}

.portal-featured__main--link:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.portal-featured__main--link:focus-visible {
  outline: 2px solid rgba(245, 209, 160, 0.78);
  outline-offset: 4px;
}

.portal-card--featured .portal-card__name,
.portal-card--featured .portal-card__desc {
  color: inherit;
}

.portal-card--featured .portal-card__name {
  max-width: none;
  font-size: clamp(1.65rem, 2.2vw, 2.15rem);
  line-height: 1.06;
}

.portal-card--featured .portal-card__desc {
  color: rgba(244, 239, 230, 0.76);
  max-width: 42ch;
  font-size: 0.9rem;
  line-height: 1.55;
}

.portal-featured__identifiers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-2);
}

.portal-featured__id-card {
  display: grid;
  gap: var(--sp-1);
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.portal-featured__id-label {
  color: rgba(244, 239, 230, 0.64);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.portal-featured__id-value {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
}

.portal-featured__panel {
  display: grid;
  align-content: start;
  gap: var(--sp-2);
  padding: 0.9rem;
  border-radius: calc(var(--radius-xl) - 0.35rem);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.portal-featured__panel-title {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
  color: #fff;
}

.portal-featured__links {
  display: grid;
  gap: var(--sp-2);
}

.portal-featured__link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.72rem 0.85rem;
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform var(--duration-fast), border-color var(--duration-fast), background var(--duration-fast);
}

.portal-featured__link:hover {
  transform: translateY(-2px);
  border-color: rgba(245, 209, 160, 0.38);
  background: rgba(255, 255, 255, 0.1);
}

.portal-featured__link-name {
  color: #fff;
  font-size: 0.92rem;
  font-weight: 700;
  white-space: nowrap;
}

.portal-featured__link-meta {
  color: rgba(244, 239, 230, 0.7);
  font-size: 0.76rem;
  line-height: 1.5;
  text-align: right;
  white-space: nowrap;
}

/* Journal-specific colored icons */
.portal-card--physics .portal-card__icon { background: linear-gradient(135deg, var(--physics-100), var(--physics-200)); color: var(--physics-700); }
.portal-card--biology .portal-card__icon { background: linear-gradient(135deg, var(--biology-100), var(--biology-200)); color: var(--biology-700); }
.portal-card--mathematics .portal-card__icon { background: linear-gradient(135deg, var(--mathematics-100), var(--mathematics-200)); color: var(--mathematics-700); }
.portal-card--pedagogy .portal-card__icon { background: linear-gradient(135deg, var(--pedagogy-100), var(--pedagogy-200)); color: var(--pedagogy-700); }

.portal-card--physics .portal-card__btn { background: linear-gradient(135deg, var(--physics-600), var(--physics-700)); }
.portal-card--biology .portal-card__btn { background: linear-gradient(135deg, var(--biology-600), var(--biology-700)); }
.portal-card--mathematics .portal-card__btn { background: linear-gradient(135deg, var(--mathematics-600), var(--mathematics-700)); }
.portal-card--pedagogy .portal-card__btn { background: linear-gradient(135deg, var(--pedagogy-600), var(--pedagogy-700)); }

/* Portal Footer */
.portal-footer {
  padding: var(--sp-6) 0;
  text-align: center;
  border-top: 1px solid var(--border-light);
  margin-top: var(--sp-4);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* ══════════════════════════════════════════════
   AUTH PAGES
   ══════════════════════════════════════════════ */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-6);
  background: var(--bg-body);
}

.auth-card {
  width: 100%;
  max-width: 900px;
  padding: var(--sp-10);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
}

.auth-card--compact {
  max-width: 480px;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin-bottom: var(--sp-8);
}

.auth-brand .logo__icon-img {
  width: 56px;
  height: 56px;
}

.auth-kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--accent-600);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  margin-bottom: var(--sp-2);
}

.auth-hero-title {
  font-size: var(--text-3xl);
  margin-bottom: var(--sp-4);
}

.auth-hero-copy {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--sp-6);
}

.auth-oauth-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--sp-10);
}

.auth-column--main {
  padding-right: var(--sp-8);
  border-right: 1px solid var(--border-light);
}

.auth-oauth-divider {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin: var(--sp-6) 0;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.auth-oauth-divider::before,
.auth-oauth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-form-stack {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.auth-page--register .auth-card {
  max-width: 1180px;
}

.auth-page--register .auth-oauth-layout {
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.9fr);
  gap: var(--sp-12);
}

.auth-page--register .auth-form-stack {
  gap: var(--sp-5);
}

.auth-form-section {
  padding: var(--sp-5);
  border: 1px solid var(--border);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.72);
}

.auth-form-section__header {
  margin-bottom: var(--sp-4);
}

.auth-form-section__header h2 {
  margin-bottom: var(--sp-1);
  font-size: var(--text-lg);
}

.auth-form-section__header p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.auth-orcid-panel {
  margin-bottom: 0;
  padding: var(--sp-4);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.08), rgba(255, 255, 255, 0.85));
  border: 1px solid rgba(var(--accent-rgb), 0.18);
}

.auth-form-note {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--sp-4);
}

.auth-inline-message {
  margin-bottom: var(--sp-4);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: 1.65;
  font-weight: 500;
  background: var(--accent-50);
  border: 1px solid var(--accent-200);
}

.auth-oauth-launch {
  margin-bottom: var(--sp-5);
  padding: clamp(1rem, 2vw, 1.2rem);
  border: 1px solid rgba(var(--accent-rgb), 0.16);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.08), rgba(255, 255, 255, 0.92));
}

.auth-oauth-launch__eyebrow {
  margin-bottom: var(--sp-1);
  color: var(--accent-700);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
}

.auth-oauth-launch__title,
.auth-editorial-note h2,
.auth-oauth-modal__title {
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  line-height: 1.1;
  text-wrap: balance;
}

.auth-oauth-launch__title {
  margin-bottom: var(--sp-2);
}

.auth-oauth-launch__text,
.auth-oauth-launch__hint {
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--text-secondary);
}

.auth-oauth-launch__text {
  max-width: 54ch;
}

.auth-oauth-launch__hint {
  margin-top: var(--sp-3);
}

.auth-row-links {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--sp-6);
  gap: var(--sp-4);
}

.auth-secondary-link {
  font-size: var(--text-sm);
  color: var(--accent-600);
  font-weight: 500;
}

.auth-footer {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* OAuth Buttons */
.auth-oauth-social-grid {
  display: grid;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}

.auth-oauth-social-btn {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  width: 100%;
  padding: var(--sp-4);
  text-align: left;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--duration-fast);
}

.auth-oauth-social-btn:hover {
  border-color: var(--accent-300);
  box-shadow: var(--shadow-sm);
}

.auth-page .auth-oauth-social-btn.is-loading {
  border-color: var(--accent-300);
  box-shadow: var(--shadow-sm);
}

.auth-page .auth-oauth-social-btn.is-dimmed,
.auth-page .auth-oauth-social-btn:disabled {
  opacity: 0.68;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(242, 246, 252, 0.94));
  color: var(--text-primary);
  cursor: not-allowed;
}

.auth-page .auth-oauth-social-btn.is-dimmed strong,
.auth-page .auth-oauth-social-btn:disabled strong {
  color: var(--text-primary);
}

.auth-page .auth-oauth-social-btn.is-dimmed small,
.auth-page .auth-oauth-social-btn:disabled small {
  color: var(--text-secondary);
}

.auth-oauth-social-btn__mark {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-100);
  border-radius: var(--radius-md);
  font-weight: 700;
  color: var(--accent-700);
}

.auth-oauth-social-btn span strong {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-primary);
  margin-bottom: var(--sp-1);
}

.auth-oauth-social-btn span small {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
}

/* Auth Aside */
.auth-column--aside {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.auth-editorial-note {
  padding: var(--sp-6);
  background: linear-gradient(135deg, var(--accent-50), var(--accent-100));
  border: 1px solid var(--accent-200);
  border-radius: var(--radius-xl);
}

.auth-editorial-note__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent-600);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  margin-bottom: var(--sp-2);
}

.auth-editorial-note h2 {
  font-size: var(--text-lg);
  margin-bottom: var(--sp-4);
}

.auth-proof-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.auth-proof-list div {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding-left: var(--sp-4);
  position: relative;
}

.auth-proof-list div::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-600);
  font-weight: 700;
}

.auth-support-card {
  padding: var(--sp-5);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.auth-support-card p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--sp-4);
}

.auth-page--oauth-unavailable .auth-oauth-launch {
  padding: 0.85rem 1rem;
}

.auth-page--oauth-unavailable .auth-oauth-social-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.auth-page--oauth-unavailable .auth-oauth-social-btn {
  min-height: 64px;
}

.auth-page--oauth-unavailable .auth-oauth-launch__hint {
  display: none;
}

/* Auth Modal */
.auth-oauth-modal {
  position: fixed;
  inset: 0;
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-oauth-modal[hidden] {
  display: none;
}

.auth-oauth-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.auth-oauth-modal__dialog {
  position: relative;
  width: 100%;
  max-width: 480px;
  padding: var(--sp-8);
  background: var(--bg-elevated);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
}

.auth-oauth-modal__dismiss {
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-4);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  color: var(--text-muted);
  border-radius: var(--radius-full);
  transition: all var(--duration-fast);
}

.auth-oauth-modal__dismiss:hover {
  background: var(--accent-50);
  color: var(--text-primary);
}

.auth-oauth-modal__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent-600);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  margin-bottom: var(--sp-2);
}

.auth-oauth-modal__title {
  font-size: var(--text-xl);
  margin-bottom: var(--sp-3);
}

.auth-oauth-modal__text {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--sp-6);
}

.auth-oauth-modal__actions {
  display: grid;
  gap: var(--sp-3);
  margin-bottom: var(--sp-6);
}

.auth-oauth-modal__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border-light);
}

/* ══════════════════════════════════════════════
   SUBMIT PAGE
   ══════════════════════════════════════════════ */
.submit-shell {
  max-width: 1100px;
  margin: 0 auto;
}

.submit-hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--sp-8);
  margin-bottom: var(--sp-10);
}

.submit-intro-panel {
  padding: var(--sp-6);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
}

.submit-intro {
  margin-bottom: var(--sp-6);
}

.submit-signal-grid {
  display: grid;
  gap: var(--sp-3);
}

.submit-signal-card {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-4);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

.submit-signal-card__index {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--accent-100);
  color: var(--accent-700);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  flex-shrink: 0;
}

.submit-signal-card p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin: 0;
}

.submit-template-callout {
  padding: var(--sp-6);
}

.submit-template-callout__desc {
  margin-bottom: var(--sp-5);
}

.guidelines-template-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.template-note {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-style: italic;
}

.submit-telegram-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-6);
  padding: var(--sp-8);
  background: linear-gradient(145deg, rgba(31, 36, 54, 0.96), rgba(22, 24, 38, 0.98));
  border-radius: var(--radius-xl);
  color: #fff;
  margin-bottom: var(--sp-10);
}

.submit-telegram-cta__icon {
  color: var(--accent-400);
}

.submit-telegram-cta__content {
  flex: 1;
  min-width: 280px;
}

.submit-telegram-cta__content h2 {
  color: #fff;
  font-size: var(--text-xl);
  margin-bottom: var(--sp-2);
}

.submit-telegram-cta__desc {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
}

.submit-telegram-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.submit-telegram-cta__note {
  width: 100%;
  text-align: center;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  margin-top: var(--sp-4);
}

.submit-telegram-cta__note a {
  color: var(--accent-400);
}

.submit-content-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--sp-8);
}

.submit-steps-wrap__title {
  font-size: var(--text-lg);
  margin-bottom: var(--sp-6);
}

.submission-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--sp-4);
}

.submission-step-card {
  padding: var(--sp-5);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.submission-step-card__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
  color: #fff;
  border-radius: 50%;
  font-family: var(--font-serif);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--sp-3);
}

.submission-step-card h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--sp-2);
}

.submission-step-card p {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.submit-resource-stack {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.submit-info-grid__list {
  margin-top: var(--sp-3);
  padding-left: var(--sp-5);
  list-style: disc;
}

.submit-info-grid__list li {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--sp-2);
}

.submit-actions {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.submit-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: var(--sp-8);
  align-items: start;
}

.submit-form-card,
.submit-info-panel {
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border: 1px solid var(--border);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-md);
}

.submit-auth-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--sp-4);
  align-items: center;
  margin-bottom: var(--sp-5);
}

.submit-auth-banner__eyebrow {
  margin-bottom: var(--sp-1);
  color: var(--accent-700);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
}

.submit-auth-banner h2 {
  margin-bottom: var(--sp-1);
  font-size: var(--text-lg);
}

.submit-auth-banner__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.submit-sidebar {
  display: grid;
  gap: var(--sp-4);
}

.submit-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-3);
  margin-bottom: var(--sp-6);
}

.submit-step {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4);
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.66);
  color: var(--text-secondary);
}

.submit-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: var(--accent-100);
  color: var(--accent-700);
  font-weight: 700;
  flex-shrink: 0;
}

.submit-step__label {
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.3;
}

.submit-step.active {
  border-color: var(--accent-300);
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.12), rgba(255, 255, 255, 0.92));
  color: var(--text-primary);
}

.submit-step.active .submit-step__num {
  background: linear-gradient(135deg, var(--accent-600), var(--accent-700));
  color: #fff;
}

.submit-fieldset {
  display: none;
  min-width: 0;
  border: 0;
  padding: clamp(1rem, 2vw, 1.3rem);
  gap: var(--sp-5);
  border: 1px solid rgba(16, 35, 56, 0.08);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(246, 248, 252, 0.9));
}

.submit-fieldset.active {
  display: grid;
}

.submit-fieldset legend {
  margin-bottom: var(--sp-5);
  font-size: var(--text-xl);
  font-weight: 700;
}

.submit-form .form__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-4);
}

.submit-form .form__group {
  display: grid;
  gap: var(--sp-2);
  min-width: 0;
}

.submit-form .form__group label,
.submit-form .form__checkbox {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.submit-form .form__input {
  width: 100%;
  min-height: 52px;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(16, 35, 56, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--text-primary);
  font-size: var(--text-base);
  line-height: 1.5;
  transition:
    border-color var(--duration-fast),
    box-shadow var(--duration-fast),
    background-color var(--duration-fast);
}

.submit-form textarea.form__input {
  min-height: 156px;
  resize: vertical;
}

.submit-form .form__input:hover {
  border-color: rgba(var(--accent-rgb), 0.22);
}

.submit-form .form__input:focus {
  outline: none;
  border-color: rgba(var(--accent-rgb), 0.45);
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.12);
  background: #fff;
}

.submit-form .form__input::placeholder {
  color: var(--text-caption);
}

.submit-form .form__hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.5;
}

.submit-form .form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-4);
  border: 1px solid rgba(16, 35, 56, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  line-height: 1.55;
}

.submit-form .form__checkbox input {
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.upload-zone {
  position: relative;
  overflow: hidden;
  border: 1.5px dashed var(--accent-300);
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.08), rgba(255, 255, 255, 0.9));
}

.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.upload-zone__content {
  display: grid;
  place-items: center;
  gap: var(--sp-2);
  min-height: 180px;
  padding: var(--sp-5);
  text-align: center;
  color: var(--text-secondary);
}

.upload-zone__file {
  display: none;
  padding: 0 var(--sp-5) var(--sp-5);
  color: var(--accent-700);
  font-weight: 600;
}

.submit-info-panel h3 {
  margin-bottom: var(--sp-3);
}

.submit-info-list {
  display: grid;
  gap: var(--sp-2);
  padding-left: 1.15rem;
  color: var(--text-secondary);
}

.submit-contact-link {
  color: var(--accent-700);
  font-weight: 700;
}

.field-error {
  border-color: #dc2626 !important;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1) !important;
}

.archive-filter {
  display: grid;
  gap: var(--sp-3);
}

.archive-filter__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.archive-filter__btn {
  min-height: 42px;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.84);
  color: var(--text-secondary);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--duration-fast);
}

.archive-filter__btn:hover,
.archive-filter__btn.active {
  border-color: rgba(var(--accent-rgb), 0.24);
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent-700);
}

/* ══════════════════════════════════════════════
   DARK MODE
   ══════════════════════════════════════════════ */
[data-theme="dark"] {
  --text-primary: var(--cream-100);
  --text-secondary: var(--cream-300);
  --text-muted: var(--stone-400);
  --text-caption: var(--stone-500);
  
  --bg-body: linear-gradient(180deg, #0c141e 0%, #09111a 56%, #070d14 100%);
  --bg-surface: rgba(18, 26, 38, 0.78);
  --bg-elevated: rgba(23, 32, 44, 0.92);
  --bg-card: rgba(20, 28, 40, 0.84);
  
  --border: rgba(255, 255, 255, 0.1);
  --border-light: rgba(255, 255, 255, 0.06);
  
  --glass-bg: rgba(18, 26, 38, 0.78);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
  
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.35);
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
  color: var(--cream-100);
}

[data-theme="dark"] .header {
  background:
    radial-gradient(circle at top right, rgba(var(--accent-rgb, 20, 184, 166), 0.08), transparent 24%),
    radial-gradient(circle at left center, rgba(193, 128, 64, 0.08), transparent 28%),
    rgba(23, 32, 44, 0.94);
}

[data-theme="dark"] .nav__dropdown-menu {
  background: var(--bg-elevated);
  border-color: var(--border);
}

[data-theme="dark"] .nav__dropdown-menu a:hover {
  background: rgba(var(--accent-rgb, 20, 184, 166), 0.15);
}

[data-theme="dark"] .btn--secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--cream-200);
  border-color: var(--border);
}

[data-theme="dark"] .btn--secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .btn--outline {
  color: var(--accent-400);
  border-color: var(--border);
}

[data-theme="dark"] .btn--outline:hover {
  background: rgba(var(--accent-rgb, 20, 184, 166), 0.15);
  border-color: var(--accent-500);
}

/* ══════════════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════════════ */
.fade-in {
  animation: fadeIn 0.6s var(--ease-out) forwards;
  opacity: 0;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in:nth-child(1) { animation-delay: 0ms; }
.fade-in:nth-child(2) { animation-delay: 75ms; }
.fade-in:nth-child(3) { animation-delay: 150ms; }
.fade-in:nth-child(4) { animation-delay: 225ms; }
.fade-in:nth-child(5) { animation-delay: 300ms; }
.fade-in:nth-child(6) { animation-delay: 375ms; }

/* ══════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .home-prism__hero-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }
  
  .portal-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .portal-card--featured {
    grid-column: span 2;
    grid-template-columns: 1fr;
  }
  
  .auth-oauth-layout {
    grid-template-columns: 1fr;
  }

  .auth-page--register .auth-oauth-layout,
  .submit-layout {
    grid-template-columns: 1fr;
  }
  
  .auth-column--main {
    padding-right: 0;
    border-right: none;
    padding-bottom: var(--sp-8);
    border-bottom: 1px solid var(--border-light);
  }
  
  .submit-hero,
  .submit-content-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .submit-steps {
    grid-template-columns: 1fr;
  }

  .submit-auth-banner {
    grid-template-columns: 1fr;
  }

  .submit-auth-banner__actions {
    justify-content: stretch;
  }

  .submit-auth-banner__actions .btn {
    width: 100%;
  }

  .submit-step {
    align-items: flex-start;
  }

  .submit-form .form__row {
    grid-template-columns: 1fr;
  }

  .auth-page--register .auth-oauth-layout {
    gap: var(--sp-6);
  }

  .auth-page--register .auth-brand {
    margin-bottom: var(--sp-5);
  }

  .auth-page--register .auth-hero-title {
    font-size: clamp(2.15rem, 10vw, 2.8rem);
    margin-bottom: var(--sp-3);
  }

  .auth-page--register .auth-hero-copy {
    margin-bottom: var(--sp-4);
  }

  .auth-page--register .auth-column--main {
    padding-bottom: var(--sp-6);
  }

  .auth-page--register .auth-oauth-launch {
    margin-bottom: var(--sp-4);
    padding: var(--sp-4);
  }

  .auth-page--register .auth-oauth-divider {
    margin: var(--sp-5) 0;
  }

  .auth-page--oauth-unavailable .auth-oauth-social-grid {
    grid-template-columns: 1fr;
  }

  .auth-page--oauth-unavailable .auth-oauth-social-btn {
    min-height: 72px;
  }
}

@media (max-width: 768px) {
  .home-prism__hero {
    padding: var(--sp-5) var(--sp-5);
  }

  .portal-shell {
    width: calc(100% - 1rem);
    margin: var(--sp-2) auto 0;
    padding: var(--sp-3);
  }

  .portal-header {
    padding: var(--sp-5);
  }

  .portal-header__uni-name--primary {
    max-width: 18ch;
    font-size: clamp(1.2rem, 7vw, 1.6rem);
  }
  
  .portal-header__top {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-4);
  }
  
  .portal-grid {
    grid-template-columns: 1fr;
  }
  
  .portal-card--featured {
    grid-column: span 1;
    min-height: auto;
    padding: var(--sp-6);
    gap: var(--sp-5);
  }

  .portal-featured__identifiers {
    grid-template-columns: 1fr;
  }

  .portal-featured__panel {
    padding: var(--sp-4);
  }
  
  .home-prism__signal-grid {
    grid-template-columns: 1fr;
  }
  
  .home-prism__metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .auth-card {
    padding: var(--sp-6);
  }
  
  .submit-telegram-cta {
    flex-direction: column;
    text-align: center;
  }
  
  .submit-telegram-cta__actions {
    justify-content: center;
  }
}