:root { color-scheme: light; }
html { height: 100%; }
body { margin: 0; min-height: 100%; background: #f6f8fc; }
#splash {
  position: fixed; inset: 0; z-index: 10000;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  box-sizing: border-box; padding: 48px 24px 100px;
  background: radial-gradient(ellipse at 50% 40%, #fff 0%, #fff 35%, #f2f5fc 100%);
  color: #273653; font: 14px/1.5 "Segoe UI", Arial, sans-serif;
  transition: opacity 300ms ease;
}
#splash::before {
  content: ''; position: absolute; inset: 0 0 auto; height: 4px;
  background: linear-gradient(90deg, #233b76, #3655a2 75%, #e8b84e 75%);
}
#splash .gsc-seal { width: 120px; height: 120px; object-fit: contain; margin-bottom: 28px; }
#splash .gsc-school { font-size: 11px; letter-spacing: 2.5px; color: #3655a2; font-weight: 600; text-align: center; }
#splash h1 { font-size: 27px; font-weight: 600; letter-spacing: -.8px; margin: 8px 0; text-align: center; }
#splash .gsc-subtitle { margin: 0; font-size: 13px; color: #75829a; text-align: center; }
#splash .gsc-progress-area { width: min(320px, 100%); margin-top: 42px; }
#splash .gsc-progress-label { display: flex; justify-content: space-between; gap: 12px; font-size: 12px; color: #52627e; margin-bottom: 10px; }
#splash #startup-percent { color: #3655a2; font-weight: 600; font-variant-numeric: tabular-nums; }
#splash .gsc-track { height: 5px; background: #e8edf6; border-radius: 9px; overflow: hidden; }
#splash #startup-fill { height: 100%; width: 0; background: #3655a2; border-radius: 9px; transition: width 180ms linear; }
#splash .gsc-reassurance { color: #75829a; font-size: 11px; margin-top: 13px; }
#splash .gsc-footer { position: absolute; bottom: 32px; color: #50618b; font-size: 11px; letter-spacing: 2px; text-align: center; }
#splash .gsc-footer span { display: block; color: #75829a; font-size: 11px; letter-spacing: .3px; margin-top: 6px; }
#splash #startup-error { margin: 20px 0 0; max-width: 360px; color: #b42318; text-align: center; font-size: 13px; }
#splash button { margin-top: 16px; background: #3655a2; border: 1px solid #3655a2; border-radius: 8px; color: #fff; padding: 12px 24px; font: inherit; cursor: pointer; }
#splash [hidden] { display: none; }
@media (prefers-reduced-motion: reduce) { #splash, #splash #startup-fill { transition: none; } }
@media (max-height: 500px) {
  #splash { padding: 24px 20px 70px; overflow: auto; justify-content: flex-start; }
  #splash .gsc-seal { width: 72px; height: 72px; margin-bottom: 12px; }
  #splash .gsc-progress-area { margin-top: 20px; }
  #splash .gsc-footer { position: static; margin-top: 24px; }
}