:root {
  --tet-red: #8f1721;
  --tet-red-deep: #64111a;
  --tet-gold: #f5d477;
  --tet-cream: #fff8e1;
  --tet-muted: #f8dca1;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body { margin: 0; min-width: 320px; background: radial-gradient(circle at 12% 14%, rgb(255 220 116 / 20%) 0 2px, transparent 3px), radial-gradient(circle at 84% 78%, rgb(255 220 116 / 18%) 0 2px, transparent 3px), linear-gradient(135deg, var(--tet-red) 0%, #b91c2b 48%, var(--tet-red-deep) 100%); color: var(--tet-cream); font-family: Calibri, "Segoe UI", system-ui, sans-serif; }

.loading-shell { position: relative; display: grid; min-height: 100vh; place-items: center; overflow: hidden; padding: 24px; }
.loading-card { position: relative; z-index: 1; width: min(100%, 500px); padding: 22px; border: 1px solid rgb(245 212 119 / 72%); border-radius: 24px; background: rgb(92 13 22 / 42%); box-shadow: 0 24px 70px rgb(48 4 11 / 35%), inset 0 0 0 1px rgb(255 240 183 / 12%); text-align: center; backdrop-filter: blur(8px); }
.tet-decor { position: absolute; z-index: 0; inset: 0; pointer-events: none; }
.tet-lantern { position: absolute; width: 66px; height: 78px; border: 2px solid var(--tet-gold); border-radius: 50% 50% 44% 44%; background: radial-gradient(circle at 36% 28%, rgb(255 233 157 / 72%) 0 5px, transparent 6px), linear-gradient(90deg, #9d1422 0%, #d42b32 47%, #96111e 100%); box-shadow: 0 8px 22px rgb(35 2 7 / 27%), inset 9px 0 0 rgb(255 226 126 / 12%), inset -9px 0 0 rgb(63 3 10 / 14%); transform-origin: 50% -40px; }
.tet-lantern::before { position: absolute; top: -45px; left: 50%; width: 1px; height: 43px; background: var(--tet-gold); box-shadow: 0 0 0 1px rgb(245 212 119 / 12%); content: ''; }
.tet-lantern::after { position: absolute; top: 14px; right: 11px; bottom: 14px; left: 11px; border-right: 1px solid rgb(255 225 126 / 46%); border-left: 1px solid rgb(255 225 126 / 46%); border-radius: 50%; content: ''; }
.tet-lantern-tassel { position: absolute; right: 50%; bottom: -28px; width: 2px; height: 25px; background: var(--tet-gold); transform: translateX(50%); }
.tet-lantern-tassel::after { position: absolute; right: 50%; bottom: -4px; width: 10px; height: 10px; border: 1px solid var(--tet-gold); border-radius: 2px 7px 2px 7px; background: #cf2430; content: ''; transform: translateX(50%) rotate(45deg); }
.tet-lantern-left { top: 12%; left: 7%; transform: rotate(-6deg); }
.tet-lantern-right { top: 16%; right: 7%; transform: rotate(6deg); }
.tet-lantern-small { top: 5%; left: 25%; width: 45px; height: 54px; opacity: .82; transform: rotate(-3deg); }
.tet-envelope { position: absolute; display: grid; place-items: center; width: 62px; height: 76px; border: 2px solid var(--tet-gold); border-radius: 8px 8px 12px 12px; background: linear-gradient(145deg, #d42b32 0%, #a91827 62%, #73121c 100%); box-shadow: 0 12px 22px rgb(35 2 7 / 25%); color: #ffe5a0; font-size: 14px; font-weight: 900; letter-spacing: .03em; }
.tet-envelope::before { position: absolute; top: -2px; left: 7px; width: 44px; height: 44px; border-right: 2px solid var(--tet-gold); border-bottom: 2px solid var(--tet-gold); transform: rotate(45deg); content: ''; }
.tet-envelope::after { position: absolute; inset: 8px; border: 1px solid rgb(255 222 119 / 55%); border-radius: 4px; content: ''; }
.tet-envelope span { position: relative; z-index: 1; display: grid; place-items: center; width: 27px; height: 27px; border: 1px solid var(--tet-gold); border-radius: 50%; background: #b91c2b; }
.tet-envelope-left { bottom: 13%; left: 10%; transform: rotate(-14deg); }
.tet-envelope-right { right: 10%; bottom: 17%; transform: rotate(14deg); }
.loading-art-frame { height: 190px; margin-bottom: 20px; overflow: hidden; border: 1px solid rgb(245 212 119 / 70%); border-radius: 18px; background: var(--tet-red-deep); box-shadow: 0 12px 26px rgb(49 3 10 / 24%); }
.loading-art-frame img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.loading-kicker { margin: 0 0 8px; color: var(--tet-gold); font-size: 10px; font-weight: 800; letter-spacing: .18em; }
h1 { margin: 0; font-size: clamp(28px, 7vw, 40px); letter-spacing: -.05em; line-height: 1.05; }
.loading-copy { max-width: 360px; margin: 12px auto 0; color: var(--tet-muted); font-size: 14px; line-height: 1.55; }
.loading-progress-group { margin-top: 28px; text-align: left; }
.loading-progress-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; color: var(--tet-muted); font-size: 11px; }
.loading-progress-meta strong { color: var(--tet-gold); font-size: 12px; }
.loading-progress-track { height: 12px; overflow: hidden; border: 1px solid rgb(245 212 119 / 58%); border-radius: 999px; background: rgb(43 4 10 / 42%); }
.loading-progress-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #f0b94b 0%, #ffe9a4 50%, #e0a72f 100%); box-shadow: 0 0 18px rgb(245 212 119 / 48%); transition: width .08s linear; }
.loading-countdown { min-height: 18px; margin: 11px 0 0; color: rgb(255 248 225 / 66%); font-size: 11px; }
.loading-fallback { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; margin-top: 11px; padding: 0 16px; border: 1px solid var(--tet-gold); border-radius: 10px; background: var(--tet-gold); color: var(--tet-red-deep); font-size: 12px; font-weight: 800; text-decoration: none; }

@media (max-width: 520px) {
  .loading-shell { padding: 14px; }
  .loading-card { padding: 15px; border-radius: 20px; }
  .loading-art-frame { height: 150px; border-radius: 15px; }
  .tet-decor { z-index: 2; }
  .tet-lantern { width: 48px; height: 58px; }
  .tet-lantern-left { top: 11%; left: -9px; }
  .tet-lantern-right { top: 15%; right: -9px; }
  .tet-lantern-small { display: none; }
  .tet-envelope { width: 48px; height: 60px; font-size: 11px; }
  .tet-envelope::before { left: 5px; width: 34px; height: 34px; }
  .tet-envelope span { width: 22px; height: 22px; }
  .tet-envelope-left { bottom: 10%; left: -4px; }
  .tet-envelope-right { right: -4px; bottom: 13%; }
}

@media (prefers-reduced-motion: reduce) {
  .loading-progress-track span { transition: none; }
}