@font-face { font-family: "Poppins"; font-weight: 300; font-display: swap; src: url(fonts/poppins-300.woff2) format("woff2"); }
@font-face { font-family: "Poppins"; font-weight: 400; font-display: swap; src: url(fonts/poppins-400.woff2) format("woff2"); }
@font-face { font-family: "Poppins"; font-weight: 600; font-display: swap; src: url(fonts/poppins-600.woff2) format("woff2"); }
@font-face { font-family: "Poppins"; font-weight: 800; font-display: swap; src: url(fonts/poppins-800.woff2) format("woff2"); }

/* Brand colour: the ice-cyan glow from the whale logo. Swap --accent* to re-theme. */
:root {
  --bg: #000;
  --panel: #07090b;
  --line: #1c2a31;
  --head: #e6eef1;
  --text: #c9d4d8;
  --muted: #8199a3;
  --accent: #3fc6ea;
  --accent-hi: #8fe6ff;
  --band-from: #021018;
  --band-to: #0a4a62;
  --ok: #8fd6a8;
  --err: #ff8a8a;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; }
html { background: var(--bg); }
body {
  background: transparent; /* the fixed #ocean layer shows through */
  color: var(--text);
  font: 300 16px/1.9 "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  overflow-x: hidden;
}
input { text-transform: none; }
.addr, .btn.addr { text-transform: none; letter-spacing: 0.01em; }

nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 16px;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(8px);
}
.nav-mark img { display: block; border-radius: 50%; }

/* Hero: the whale as a glowing coin, name stacked below */
.hero { padding: 72px 16px 80px; text-align: center; }
.coin {
  position: relative; display: block;
  width: min(78vw, 360px); aspect-ratio: 1; margin: 0 auto; padding: 0;
  border-radius: 50%; background: #000; cursor: pointer;
  border: 2px solid rgba(63, 198, 234, 0.45);
  box-shadow: 0 0 0 10px rgba(0, 0, 0, 0.55), 0 0 0 12px rgba(63, 198, 234, 0.18), 0 0 80px rgba(63, 198, 234, 0.28);
  -webkit-tap-highlight-color: transparent;
}
.coin img { position: absolute; inset: -6%; width: 112%; height: 112%; display: block; object-fit: cover; clip-path: circle(44.6% at 50% 50%); }
.coin.small { width: 140px; cursor: default; box-shadow: 0 0 0 6px rgba(0, 0, 0, 0.55), 0 0 0 7px rgba(63, 198, 234, 0.18), 0 0 40px rgba(63, 198, 234, 0.22); }
.coin:focus-visible { outline: 2px solid var(--accent-hi); outline-offset: 16px; }
/* Song ripples: rings spread from the coin while it sings */
.ripple { position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--accent); opacity: 0; pointer-events: none; }
.coin.singing .ripple { animation: ripple 2.4s ease-out infinite; }
.coin.singing .ripple:nth-child(3) { animation-delay: 0.8s; }
.coin.singing .ripple:nth-child(4) { animation-delay: 1.6s; }
.coin.singing { animation: breathe 2.6s ease-in-out infinite; }
@keyframes ripple { from { transform: scale(1); opacity: 0.7; } to { transform: scale(1.7); opacity: 0; } }
@keyframes breathe { 50% { transform: scale(1.03); } }
.hint { margin: 14px 0 0; font-size: 12px; color: var(--muted); letter-spacing: 0.16em; }
.name {
  margin: 36px 0 0; color: var(--head);
  font-weight: 800; font-size: clamp(36px, 11vw, 56px); line-height: 1.1;
  letter-spacing: 0.28em; margin-right: -0.28em;
}
.kanji { margin: 6px 0 0; font-size: 40px; font-weight: 400; color: var(--accent); letter-spacing: 0; line-height: 1.3; }

/* Full-width brand bands with a faint oversized whale behind */
.band {
  position: relative; overflow: hidden; isolation: isolate;
  background: linear-gradient(115deg, var(--band-from), var(--band-to) 55%, var(--band-from));
  padding: 44px 16px; text-align: center;
}
.band::before {
  content: ""; position: absolute; inset: -40% -10%; z-index: -1;
  background: url(img/mark-800.webp) center / 520px auto no-repeat;
  mix-blend-mode: screen; opacity: 0.16;
}
.band p { margin: 0; color: var(--head); font-weight: 600; font-size: clamp(16px, 4.4vw, 22px); letter-spacing: 0.08em; text-shadow: 0 2px 18px rgba(0, 0, 0, 0.6); }

.links-band { padding: 28px 16px; }
.social { list-style: none; margin: 0 auto; padding: 0; max-width: 560px; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 28px; }
.social a { display: grid; justify-items: center; gap: 4px; color: var(--head); text-decoration: none; font-size: 12px; font-weight: 600; letter-spacing: 0.14em; }
.social .glyph { font-size: 34px; line-height: 44px; font-weight: 400; letter-spacing: 0; }
.social svg { width: 34px; height: 44px; fill: currentColor; }
.social a:hover { color: var(--accent-hi); }

main { max-width: 720px; margin: 0 auto; padding: 72px 16px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 72px; }
.lore-head {
  margin: 0 0 24px;
  color: var(--head);
  font-weight: 800;
  font-size: clamp(22px, 5.4vw, 30px);
  line-height: 1.75;
  letter-spacing: 0.01em;
}
.lore-body { margin: 0 0 20px; font-size: clamp(18px, 4.6vw, 23px); line-height: 1.85; letter-spacing: 0.03em; }
.lore-body.small { font-size: 15px; color: var(--muted); }
.sig { margin: 32px 0 0; font-size: clamp(18px, 4.6vw, 23px); }

.tenets { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; font-size: 17px; }
.tenets li { border-left: 3px solid var(--accent); padding-left: 14px; line-height: 1.7; }
.tenets b { font-weight: 600; color: var(--head); }

.supply { margin: -8px 0 20px; font-size: clamp(24px, 7vw, 40px); font-weight: 800; color: var(--accent-hi); letter-spacing: 0.02em; }
.alloc { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.alloc .label { display: flex; justify-content: space-between; gap: 12px; font-size: 15px; }
.alloc .label b { font-weight: 600; color: var(--head); }
.alloc .track { height: 6px; background: var(--line); margin-top: 6px; }
.alloc .fill { height: 100%; background: linear-gradient(90deg, var(--band-to), var(--accent)); }
.alloc .note { font-size: 13px; color: var(--muted); line-height: 1.6; margin-top: 4px; }

.panel { background: var(--panel); border: 1px solid var(--line); border-top: 3px solid var(--accent); padding: 20px; }
.muted { color: var(--muted); margin: 0; font-size: 15px; }

.btn {
  display: inline-block; appearance: none; cursor: pointer;
  border: 1px solid var(--accent); background: transparent; color: var(--head);
  padding: 11px 20px; font: 600 14px/1.2 "Poppins", system-ui, sans-serif;
  text-transform: uppercase; letter-spacing: 0.1em; text-decoration: none; white-space: nowrap;
}
.btn.solid { background: var(--accent); color: #001018; }
.btn:hover:not(:disabled) { border-color: var(--accent-hi); }
.btn.solid:hover:not(:disabled) { background: var(--accent-hi); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.notice { margin: 0; padding: 12px 14px; border: 1px solid var(--line); font-size: 14px; position: sticky; top: 64px; z-index: 5; background: var(--panel); }
.notice.err { border-color: var(--err); color: var(--err); }
.notice.ok { border-color: var(--ok); color: var(--ok); }

.row { display: flex; gap: 8px; margin: 18px 0 10px; }
input {
  flex: 1; min-width: 0; background: #000; color: var(--head);
  border: 1px solid var(--line); padding: 11px 12px; font: 400 16px "Poppins", system-ui, sans-serif;
}
input::placeholder { text-transform: uppercase; color: var(--muted); letter-spacing: 0.06em; }
input:focus { outline: 1px solid var(--accent); }
.actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
@media (max-width: 460px) { .actions { grid-template-columns: 1fr; } }

.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; margin: 0; }
.stats div { min-width: 0; }
dt { color: var(--muted); font-size: 12px; letter-spacing: 0.1em; }
dd { margin: 0; font-weight: 600; color: var(--head); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; line-height: 1.5; }

.round { border-top: 1px solid var(--line); padding-top: 16px; margin-top: 16px; }
.round:first-child { border-top: 0; margin-top: 0; padding-top: 0; }
.round .amount { font-size: 26px; font-weight: 800; color: var(--accent-hi); margin: 4px 0 12px; line-height: 1.4; }
.round .actions { grid-template-columns: 1fr 1fr; }
.round .muted { margin-top: 12px; }
.round .track { height: 4px; background: var(--line); margin-top: 16px; }
.round .fill { height: 100%; background: var(--accent); }
.pill { display: inline-block; font-size: 12px; padding: 2px 10px; border: 1px solid var(--line); color: var(--muted); letter-spacing: 0.08em; }
.pill.ok { color: var(--ok); border-color: var(--ok); }

.links { list-style: none; padding: 0; margin: 0 0 16px; display: grid; gap: 8px; font-size: 15px; }
.links a { color: var(--accent-hi); text-decoration: none; border-bottom: 1px solid var(--accent); overflow-wrap: anywhere; }
a { color: var(--accent-hi); }

footer { max-width: 720px; margin: 0 auto; padding: 40px 16px 48px; text-align: center; }
.copy { margin: 28px 0 0; color: var(--head); letter-spacing: 0.24em; font-size: 15px; }
.fine { margin: 16px 0 0; font-size: 11px; line-height: 1.7; color: var(--muted); letter-spacing: 0.06em; }

/* ---------------------------------------------------------------- the dive */
#ocean { position: fixed; inset: 0; z-index: -3; background: rgb(14, 96, 128); }
#rays {
  position: fixed; inset: 0 0 auto; height: 90vh; z-index: -2; pointer-events: none;
  background:
    linear-gradient(100deg, transparent 20%, rgba(180, 240, 255, 0.10) 24%, transparent 30%),
    linear-gradient(80deg, transparent 48%, rgba(180, 240, 255, 0.08) 52%, transparent 58%),
    linear-gradient(95deg, transparent 66%, rgba(180, 240, 255, 0.07) 70%, transparent 76%);
  mask-image: linear-gradient(to bottom, #000, transparent);
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent);
}
#snow { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }
#gauge {
  position: fixed; left: 12px; bottom: 12px; z-index: 20;
  padding: 6px 12px; font-size: 11px; letter-spacing: 0.12em; line-height: 1.4;
  color: var(--text); background: rgba(0, 0, 0, 0.6); border: 1px solid var(--line);
  backdrop-filter: blur(6px); pointer-events: none;
}
#gauge b { color: var(--accent-hi); font-weight: 600; font-variant-numeric: tabular-nums; }
#gauge .arrow { color: var(--accent); }
.zone-label { margin: 0 0 10px; font-size: 12px; font-weight: 600; color: var(--accent); letter-spacing: 0.2em; }
.center { text-align: center; }
.panel { background: rgba(4, 9, 12, 0.82); }
.panel + .panel { margin-top: 16px; }
.panel-head { margin: 0; color: var(--head); font-weight: 600; font-size: 16px; letter-spacing: 0.08em; }

/* ---------------------------------------------------------------- sonar */
.sonar { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
@media (max-width: 460px) { .sonar { grid-template-columns: 1fr; } }
.ping {
  position: relative; overflow: hidden; display: grid; justify-items: center; gap: 2px;
  padding: 26px 10px; text-align: center; background: rgba(4, 9, 12, 0.7); border: 1px solid var(--line);
}
.ping b { position: relative; font-size: 28px; font-weight: 800; color: var(--accent-hi); line-height: 1.3; }
.ping span:last-child { position: relative; font-size: 11px; color: var(--muted); letter-spacing: 0.14em; }
.rings, .rings::before, .rings::after {
  position: absolute; left: 50%; top: 50%; width: 30px; height: 30px; margin: -15px 0 0 -15px;
  border-radius: 50%; border: 1px solid rgba(63, 198, 234, 0.5); opacity: 0;
  animation: sonar 3.6s ease-out infinite;
}
.rings::before, .rings::after { content: ""; left: 0; top: 0; margin: 0; }
.rings::before { animation-delay: 1.2s; }
.rings::after { animation-delay: 2.4s; }
@keyframes sonar { from { transform: scale(0.4); opacity: 0.8; } to { transform: scale(9); opacity: 0; } }

/* ---------------------------------------------------------------- checker */
.result:empty { display: none; }
.result { margin-top: 6px; }
.result .hit + .hit { margin-top: 14px; }
.result .btn { margin-top: 14px; }
.result .amount { font-size: 26px; font-weight: 800; color: var(--accent-hi); margin: 6px 0 0; line-height: 1.4; }

/* ---------------------------------------------------------------- rank */
.tiers { list-style: none; margin: 0 0 16px; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; }
.tiers li { padding: 10px 4px; text-align: center; border: 1px solid var(--line); background: rgba(4, 9, 12, 0.7); }
.tiers b { display: block; font-size: 12px; font-weight: 600; color: var(--head); letter-spacing: 0.06em; }
.tiers span { display: block; font-size: 9px; color: var(--muted); letter-spacing: 0.04em; line-height: 1.5; }
.tiers li.me { border-color: var(--accent); box-shadow: 0 0 18px rgba(63, 198, 234, 0.35); }
.tiers li.me b { color: var(--accent-hi); }
.rank-name { margin: 0; font-size: 40px; font-weight: 800; color: var(--accent-hi); line-height: 1.3; letter-spacing: 0.06em; }
.held { margin: 10px 0 0; color: var(--head); font-weight: 600; }
#rank-panel .track { height: 4px; background: var(--line); margin-top: 12px; }
#rank-panel .fill { height: 100%; background: var(--accent); }
#rank-panel .btn { margin-top: 16px; }

/* ---------------------------------------------------------------- share card */
dialog { width: min(92vw, 640px); padding: 16px; background: #02080b; color: var(--text); border: 1px solid var(--line); }
dialog::backdrop { background: rgba(0, 0, 0, 0.75); }
#card-img { display: block; width: 100%; height: auto; margin-bottom: 14px; border: 1px solid var(--line); }
.actions.two { grid-template-columns: 1fr 1fr; }
.btn.ghost { display: block; width: 100%; margin-top: 8px; border-color: var(--line); color: var(--muted); }
a.btn { text-align: center; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rings, .rings::before, .rings::after, .coin.singing, .coin.singing .ripple { animation: none; }
}

/* ---------------------------------------------------------------- boosts */
.boosts { list-style: none; margin: 0 0 18px; padding: 0; display: grid; gap: 8px; }
.boosts li { display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: baseline; padding: 10px 14px; border-left: 3px solid var(--accent); background: rgba(4, 9, 12, 0.6); font-size: 13px; }
.boosts b { color: var(--head); font-weight: 600; letter-spacing: 0.1em; min-width: 48px; }
.boosts em { font-style: normal; color: var(--accent-hi); font-weight: 600; }
.tier-boost { color: var(--accent-hi) !important; font-weight: 600; }
.boost-note { margin-top: 12px; font-size: 13px; }
#poke { margin-top: 10px; width: 100%; }
#poke[hidden], .boost-note[hidden] { display: none; }

/* Whalepaper: longer title than the home page */
.paper .name { font-size: clamp(28px, 8.4vw, 52px); letter-spacing: 0.16em; margin-right: -0.16em; }