html,body{margin:0;padding:0;height:100%;background:#000;overflow:hidden;
    font-family:"Cascadia Mono","Consolas","DejaVu Sans Mono","Courier New",monospace;color:#7dffb0}
  #screen{display:block;position:absolute;left:0;top:0;background:#000}
  #overlay{position:absolute;left:0;top:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;
    background:rgba(0,0,0,.80);z-index:10;cursor:pointer}
  #panel{border:1px solid #1f7a4d;padding:20px 26px;max-width:660px;background:#000806;
    box-shadow:0 0 40px #063d24 inset,0 0 30px #021;line-height:1.75;font-size:14px}
  #panel h1{margin:0 0 4px;font-size:20px;color:#9dffcb;letter-spacing:3px}
  #panel h2{margin:0 0 14px;font-size:12px;color:#2f9a63;letter-spacing:2px;font-weight:400}
  #panel table{border-collapse:collapse;margin:6px 0 10px}
  #panel td{padding:1px 14px 1px 0;font-size:13px;color:#8fe8b8}
  kbd{display:inline-block;min-width:16px;text-align:center;border:1px solid #2f9a63;border-bottom-width:2px;
    padding:0 5px;border-radius:3px;color:#d6ffe8;background:#04140d;font-size:12px}
  .dim{color:#39875f}
  .go{margin-top:12px;color:#c9ffe2;letter-spacing:2px;animation:bl 1.1s steps(2) infinite}
  @keyframes bl{50%{opacity:.25}}
/* Sylomni site additions; the original game styles above are preserved. */
.site-back {
  position: fixed;
  top: max(10px, env(safe-area-inset-top));
  left: max(10px, env(safe-area-inset-left));
  z-index: 30;
  padding: 7px 10px;
  border: 1px solid rgba(95, 224, 158, .42);
  border-radius: 4px;
  color: #b9fbd4;
  background: rgba(0, 10, 7, .78);
  font: 12px/1.2 "Cascadia Mono", "Consolas", monospace;
  letter-spacing: .04em;
  text-decoration: none;
  backdrop-filter: blur(5px);
  opacity: .72;
  transition: opacity .18s ease, border-color .18s ease, background-color .18s ease;
}
.site-back:hover,
.site-back:focus-visible {
  color: #e2fff0;
  background: rgba(3, 30, 20, .94);
  border-color: #71e7a7;
  opacity: 1;
  outline: none;
}
.device-note {
  margin-top: 10px;
  color: #377a58;
  font-size: 12px;
}
@media (max-width: 700px) {
  #overlay { box-sizing: border-box; padding: 54px 12px 12px; }
  #panel { max-height: calc(100svh - 76px); overflow: auto; padding: 16px; }
  #panel td { padding-right: 8px; }
  .site-back { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
  .go { animation: none; }
  .site-back { transition: none; }
}

.sylomni-site-back {
  position: fixed;
  top: max(12px, env(safe-area-inset-top));
  left: max(12px, env(safe-area-inset-left));
  z-index: 90;
  padding: 8px 11px;
  border: 1px solid rgba(108, 236, 176, .42);
  border-radius: 5px;
  color: #d8ffea;
  background: rgba(1, 13, 9, .82);
  box-shadow: 0 8px 30px rgba(0, 0, 0, .28);
  font: 600 12px/1.2 "Segoe UI", "Microsoft YaHei UI", "PingFang SC", sans-serif;
  letter-spacing: .04em;
  text-decoration: none;
  backdrop-filter: blur(8px);
  opacity: .78;
  transition: opacity .18s ease, border-color .18s ease, background-color .18s ease;
}

.sylomni-site-back:hover,
.sylomni-site-back:focus-visible {
  border-color: #9bffc7;
  color: #fff;
  background: rgba(3, 35, 23, .96);
  opacity: 1;
  outline: 2px solid rgba(216, 255, 234, .8);
  outline-offset: 3px;
}

.sylomni-device-gate {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  min-width: 0;
  padding: max(22px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) max(22px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));
  place-items: center;
  overflow: auto;
  color: #e8fff2;
  background:
    radial-gradient(circle at 50% 36%, rgba(48, 189, 124, .2), transparent 36%),
    rgba(0, 7, 5, .97);
  font-family: "Segoe UI", "Microsoft YaHei UI", "PingFang SC", sans-serif;
}

.sylomni-device-gate[hidden] { display: none; }

.sylomni-device-panel {
  width: min(100%, 470px);
  padding: clamp(24px, 7vw, 42px);
  border: 1px solid rgba(113, 236, 174, .38);
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(8, 37, 26, .92), rgba(2, 17, 12, .94));
  box-shadow: inset 0 0 45px rgba(66, 219, 145, .06), 0 28px 90px rgba(0, 0, 0, .5);
  text-align: center;
}

.sylomni-device-panel h1 {
  margin: 0;
  color: #f1fff7;
  font-size: clamp(1.25rem, 5.5vw, 1.75rem);
  font-weight: 650;
  line-height: 1.4;
}

.sylomni-device-panel p {
  margin: 10px 0 0;
  color: rgba(210, 245, 226, .72);
  font-size: .92rem;
  line-height: 1.7;
}

.sylomni-device-panel .sylomni-device-caution {
  color: rgba(172, 218, 194, .54);
  font-size: .78rem;
}

.sylomni-device-actions {
  display: grid;
  margin-top: 24px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.sylomni-device-actions a,
.sylomni-device-actions button {
  min-height: 44px;
  padding: 10px 13px;
  border: 1px solid rgba(117, 236, 177, .4);
  border-radius: 7px;
  color: #dcffed;
  background: rgba(4, 27, 18, .82);
  font: 600 .88rem/1.2 "Segoe UI", "Microsoft YaHei UI", "PingFang SC", sans-serif;
  text-decoration: none;
  cursor: pointer;
}

.sylomni-device-actions a:hover,
.sylomni-device-actions button:hover,
.sylomni-device-actions a:focus-visible,
.sylomni-device-actions button:focus-visible {
  border-color: #a4ffcc;
  background: rgba(18, 78, 51, .9);
  outline: 2px solid rgba(224, 255, 239, .82);
  outline-offset: 3px;
}

@media (max-width: 430px) {
  .sylomni-device-actions { grid-template-columns: 1fr; }
  .sylomni-site-back { padding: 7px 9px; font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  .sylomni-site-back { transition: none; }
}