/* Qeiyu PWA · private-by-default offline shelf */

.qy-offline {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: clamp(110px, 15vw, 160px) 20px 80px;
}

.qy-offline__card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  width: min(100%, 860px);
  padding: clamp(32px, 7vw, 72px);
  border: 1px solid var(--qy-border);
  border-radius: clamp(28px, 5vw, 48px);
  background:
    radial-gradient(circle at 82% 8%, color-mix(in srgb, var(--qy-accent) 20%, transparent), transparent 25rem),
    radial-gradient(circle at 8% 100%, color-mix(in srgb, var(--qy-cyan) 12%, transparent), transparent 22rem),
    var(--qy-gradient-glass);
  box-shadow: var(--qy-shadow-lg);
  backdrop-filter: blur(28px) saturate(135%);
}

.qy-offline__card::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--qy-text-3) 4%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--qy-text-3) 4%, transparent) 1px, transparent 1px);
  background-size: 58px 58px;
  content: '';
  mask-image: linear-gradient(135deg, #000, transparent 65%);
  -webkit-mask-image: linear-gradient(135deg, #000, transparent 65%);
}

.qy-offline h1 {
  max-width: 690px;
  margin: 14px 0 20px;
  color: var(--qy-text-1);
  font-size: clamp(2.2rem, 6vw, 4.8rem);
  font-weight: 760;
  letter-spacing: -0.07em;
  line-height: 1.02;
  text-wrap: balance;
}

.qy-offline__card > p:not(.qy-section-kicker) {
  max-width: 650px;
  margin: 0;
  color: var(--qy-text-2);
  font-size: 0.82rem;
  line-height: 1.85;
}

.qy-offline__status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 28px;
  color: var(--qy-accent);
  font-size: 0.67rem;
  font-weight: 680;
}

.qy-offline__status::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--qy-green);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--qy-green) 12%, transparent);
  content: '';
}

.qy-offline__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.qy-offline__actions a,
.qy-offline__actions button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; padding: 0 17px; border: 1px solid var(--qy-border); border-radius: var(--qy-radius-pill); color: var(--qy-text-1); background: color-mix(in srgb, var(--qy-surface-solid) 76%, transparent); cursor: pointer; font-family: var(--qy-font-sans); font-size: 0.67rem; font-weight: 700; }
.qy-offline__actions button { border-color: transparent; color: #fff; background: var(--qy-gradient-accent); box-shadow: 0 10px 25px color-mix(in srgb, var(--qy-accent) 24%, transparent); }
.qy-offline__actions button[hidden] { display: none; }

.qy-offline__facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; margin: 42px 0 0; padding: 0; list-style: none; }
.qy-offline__facts li { display: grid; gap: 5px; padding: 16px; border: 1px solid var(--qy-border); border-radius: var(--qy-radius-sm); background: color-mix(in srgb, var(--qy-surface-solid) 52%, transparent); }
.qy-offline__facts strong { color: var(--qy-accent); font-size: 0.73rem; font-weight: 800; letter-spacing: 0.08em; }
.qy-offline__facts span { color: var(--qy-text-3); font-size: 0.6rem; line-height: 1.45; }

.qy-offline__signal { position: absolute; z-index: -1; top: 38px; right: 45px; display: flex; align-items: end; gap: 5px; height: 54px; opacity: 0.42; }
.qy-offline__signal i { width: 5px; border-radius: 4px; background: var(--qy-accent); animation: qy-offline-signal 1.7s ease-in-out infinite alternate; }
.qy-offline__signal i:nth-child(1) { height: 35%; }
.qy-offline__signal i:nth-child(2) { height: 100%; animation-delay: -0.4s; }
.qy-offline__signal i:nth-child(3) { height: 62%; animation-delay: -0.8s; }

@keyframes qy-offline-signal { to { height: 22%; opacity: 0.5; } }

@media (max-width: 640px) {
  .qy-offline__facts { grid-template-columns: 1fr; }
  .qy-offline__signal { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .qy-offline__signal i { animation: none !important; }
}