/* Nucleus 27 flagship identity layer. Presentation only; auth behavior stays inline.
   v20260803-inputfix */
:root {
  --n27-surface-glass: rgba(12, 16, 23, 0.86);
  --n27-surface-strong: rgba(17, 22, 30, 0.94);
  --n27-line-soft: rgba(255, 255, 255, 0.1);
  --n27-line-bright: rgba(255, 255, 255, 0.18);
  --n27-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body.nucleus-login-page,
body.nucleus-dashboard-page,
body.nucleus-auth-page,
body.nucleus-oauth-page {
  background:
    radial-gradient(ellipse 65% 46% at 50% -10%, rgba(126, 166, 255, 0.1), transparent 60%),
    radial-gradient(ellipse 42% 36% at 94% 30%, rgba(154, 58, 160, 0.08), transparent 58%),
    linear-gradient(rgba(255, 255, 255, 0.013) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.013) 1px, transparent 1px),
    #05070d;
  background-size: auto, auto, 72px 72px, 72px 72px, auto;
  background-attachment: fixed;
}

body.nucleus-login-page::before,
body.nucleus-dashboard-page::before,
body.nucleus-auth-page::before,
body.nucleus-oauth-page::before {
  opacity: 0.9;
}

button:focus-visible,
input:focus-visible:not(.search-input):not(.miku-input):not(.field-mini),
a:focus-visible,
[tabindex]:focus-visible {
  outline: 1px solid rgba(126, 166, 255, 0.72);
  outline-offset: 3px;
}

/* Shared controls */
.nucleus-login-page .login-card,
.nucleus-auth-page .card,
.nucleus-oauth-page .card {
  background: linear-gradient(145deg, var(--n27-surface-strong), rgba(6, 9, 13, 0.94));
  border-color: var(--n27-line-soft);
  border-radius: 18px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.nucleus-login-page .btn-login,
.nucleus-auth-page .submit-btn,
.nucleus-oauth-page .btn-primary {
  background: linear-gradient(135deg, #3b82f6, var(--glow-accent, #2563eb));
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  box-shadow: 0 12px 26px rgba(37, 99, 235, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.18);
  transition: transform 0.2s var(--n27-ease), background 0.2s ease, box-shadow 0.2s ease;
}

.nucleus-login-page .btn-login:hover,
.nucleus-auth-page .submit-btn:hover,
.nucleus-oauth-page .btn-primary:hover {
  background: linear-gradient(135deg, #4b90ff, #2f72f5);
  transform: translateY(-1px);
  box-shadow: 0 16px 34px rgba(37, 99, 235, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.nucleus-login-page .field-input,
.nucleus-auth-page .field input,
.nucleus-oauth-page .field-input {
  background: rgba(3, 6, 9, 0.68);
  border-color: var(--n27-line-soft);
  border-radius: 10px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.nucleus-login-page .field-input:focus,
.nucleus-auth-page .field input:focus,
.nucleus-oauth-page .field-input:focus {
  background: rgba(3, 8, 12, 0.84);
  border-color: rgba(126, 166, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(126, 166, 255, 0.07);
}

/* Front door */
.nucleus-login-page .stage {
  max-width: 480px;
  padding-top: 28px;
}

.nucleus-login-page .brand-lockup {
  margin-bottom: 8px;
}

.nucleus-login-page .brand-title {
  font-size: clamp(24px, 4.5vw, 30px);
  letter-spacing: 0.14em;
}

.nucleus-login-page .brand-sub {
  color: var(--text2);
}

.nucleus-login-page .logo-scene {
  width: min(170px, 44vw);
  height: min(170px, 44vw);
  margin-top: 18px;
}

.nucleus-login-page .login-wrap {
  margin-top: 22px;
}

.nucleus-login-page .login-card::before,
.nucleus-auth-page .card::before,
.nucleus-oauth-page .card::before {
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--magenta));
  opacity: 0.9;
}

.nucleus-login-page .login-body {
  padding: 30px;
  gap: 17px;
}

.nucleus-login-page .btn-ghost-login {
  border-radius: 10px;
  border-color: var(--n27-line-soft);
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease, transform 0.2s var(--n27-ease);
}

.nucleus-login-page .btn-ghost-login:hover {
  background: rgba(126, 166, 255, 0.06);
  border-color: rgba(126, 166, 255, 0.42);
  transform: translateY(-1px);
}

.nucleus-login-page .trust-row {
  color: var(--text2);
}

/* OAuth checkpoint */
.nucleus-oauth-page {
  padding: 28px 18px;
}

.nucleus-oauth-page .auth-wrap {
  max-width: 500px;
}

.nucleus-oauth-page .brand {
  margin-bottom: 26px;
}

.nucleus-oauth-page .brand-icon {
  width: 72px;
  height: 72px;
}

.nucleus-oauth-page .card-body {
  padding: 28px;
  gap: 18px;
}

.nucleus-oauth-page .app-info {
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(126, 166, 255, 0.045);
  border-color: rgba(126, 166, 255, 0.2);
}

.nucleus-oauth-page .app-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(126, 166, 255, 0.12);
}

.nucleus-oauth-page .scope-list {
  gap: 8px;
  padding: 4px 0;
}

.nucleus-oauth-page .scope-item {
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.025);
}

.nucleus-oauth-page .btn {
  border-radius: 10px;
  min-height: 42px;
}

/* Legacy auth route */
.nucleus-auth-page {
  padding: 28px 18px;
}

.nucleus-auth-page .auth-container {
  max-width: 480px;
}

.nucleus-auth-page .brand {
  margin-bottom: 28px;
}

.nucleus-auth-page .nucleus-logo {
  width: 96px;
  height: 96px;
  filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.28));
}

.nucleus-auth-page .card {
  padding: 34px;
}

.nucleus-auth-page .tabs {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 11px;
}

.nucleus-auth-page .tab.active {
  color: var(--cyan);
  background: rgba(126, 166, 255, 0.08);
  box-shadow: inset 0 0 0 1px rgba(126, 166, 255, 0.28);
}

/* Account dashboard */
.nucleus-dashboard-page .header {
  padding: 14px clamp(18px, 3vw, 36px);
  background: rgba(3, 5, 7, 0.78);
  border-bottom-color: var(--n27-line-soft);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.2);
}

.nucleus-dashboard-page .header-logo {
  box-shadow: 0 0 18px rgba(126, 166, 255, 0.16);
}

.nucleus-dashboard-page .dashboard {
  grid-template-columns: 240px minmax(0, 1fr) 300px;
  height: calc(100vh - 56px);
}

.nucleus-dashboard-page .sidebar,
.nucleus-dashboard-page .right-panel {
  background: rgba(5, 8, 11, 0.62);
  border-color: var(--n27-line-soft);
}

.nucleus-dashboard-page .sidebar {
  padding: 24px 0;
}

.nucleus-dashboard-page .sidebar-item {
  border-radius: 0 9px 9px 0;
  transition: color 0.18s ease, background 0.18s ease, transform 0.18s var(--n27-ease);
}

.nucleus-dashboard-page .sidebar-item:hover {
  background: rgba(255, 255, 255, 0.045);
  transform: translateX(2px);
}

.nucleus-dashboard-page .sidebar-item.active {
  background: linear-gradient(90deg, rgba(126, 166, 255, 0.12), transparent);
}

.nucleus-dashboard-page .center {
  justify-content: flex-start;
  padding: 32px clamp(20px, 4vw, 48px);
  background: radial-gradient(ellipse 80% 40% at 50% 0%, rgba(126, 166, 255, 0.035), transparent 62%);
}

.nucleus-dashboard-page .section-panel {
  max-width: 860px;
}

.nucleus-dashboard-page .search-input-wrap,
.nucleus-dashboard-page .search-results,
.nucleus-dashboard-page .dash-card,
.nucleus-dashboard-page .panel-card {
  border-color: var(--n27-line-soft);
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(15, 20, 27, 0.86), rgba(7, 10, 14, 0.84));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 14px 30px rgba(0, 0, 0, 0.12);
}

.nucleus-dashboard-page .search-input-wrap:focus-within {
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.nucleus-dashboard-page .search-results {
  min-height: 360px;
}

.nucleus-dashboard-page .right-panel {
  padding: 24px 18px;
  gap: 14px;
}

.nucleus-dashboard-page .panel-card::before,
.nucleus-dashboard-page .dash-card::before {
  background: linear-gradient(90deg, var(--cyan), var(--violet), transparent 82%);
}

.nucleus-dashboard-page .app-tile,
.nucleus-dashboard-page .dash-item,
.nucleus-dashboard-page .scope-tag,
.nucleus-dashboard-page .proto-pill {
  border-radius: 10px;
}

@media (max-width: 960px) {
  .nucleus-dashboard-page .dashboard { height: auto; }
  .nucleus-dashboard-page .center { padding: 24px 16px 40px; }
  .nucleus-dashboard-page .right-panel { padding: 18px 16px; }
}

@media (max-width: 520px) {
  .nucleus-login-page .stage { padding-inline: 16px; }
  .nucleus-login-page .login-body,
  .nucleus-oauth-page .card-body,
  .nucleus-auth-page .card { padding: 22px 18px; }
  .nucleus-oauth-page { padding-inline: 12px; }
}

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