/* Cribllion — Krillion-level sharpness, nighttime nursery theme. */
:root {
  --night: #0a0b14;
  --room: #12131c;
  --line: #2c2e3c;
  --line-hot: #3a3d4e;
  --moon: #efe8d2;
  --dim: #8b8796;
  --amber: #e0b44a;
  --blush: #c9848f;
  --blush-shadow: #6e3d46;
  --t-plankton: #8b8796;
  --t-clever: #e09a4a;
  --t-schooler: #8eb4c8;
  --t-rare: #c96b6b;
  --t-deep: #9a86c8;
  --t-krill: #e0b44a;
  --t-miss: #4a4d5c;
  --hairline: #8b879638;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-snap: cubic-bezier(.34, 1.56, .64, 1);
  --ease-io: cubic-bezier(.65, 0, .35, 1);
  --font: "VT323", ui-monospace, monospace;
  --asleep: 0;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
html { background: var(--night); color: var(--moon); }
body {
  margin: 0;
  font-family: var(--font);
  letter-spacing: .04em;
  background: transparent;
  overflow-x: hidden;
  min-height: 100%;
  min-height: 100dvh;
  transition: filter .7s var(--ease-out);
}
body.in-game { filter: none; }
button, input, summary { font-family: inherit; letter-spacing: inherit; }
button { cursor: pointer; }
button:disabled { cursor: default; opacity: .45; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

/* ---------- night nursery ---------- */
.night { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
  background: linear-gradient(180deg, #15172a 0%, #0e1020 36%, #0a0b14 72%, #07080e 100%);
  transition: background .8s var(--ease-out);
}
body:not(.in-game) .night {
  background: linear-gradient(180deg, #1c1e36 0%, #121428 40%, #0a0b14 80%);
}
.moon {
  position: absolute; top: 7%; right: 11%; width: 64px; height: 64px; border-radius: 50%;
  background: radial-gradient(circle at 38% 36%, #fff8e8, #efe8d2 46%, #c9c0a4 100%);
  box-shadow: 0 0 40px 8px #efe8d240, 0 0 90px 20px #efe8d218;
  animation: moon-glow 8s ease-in-out infinite alternate;
}
.moon-wash {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 50% at 78% 10%, #efe8d218, transparent 55%);
  animation: rays-drift 22s ease-in-out alternate infinite;
}
.window {
  position: absolute; top: 4%; right: 6%; width: 110px; height: 150px;
  border: 2px solid #2c2e3c88; box-shadow: inset 0 0 0 8px #12131c66;
  opacity: .35;
}
.stars span {
  position: absolute; background: var(--moon); border-radius: 1px;
  animation: twinkle 4s ease-in-out infinite;
}
.mobile { position: absolute; top: 0; left: 12%; width: 160px; height: 180px; transform-origin: 50% 0;
  animation: mobile-sway 7s ease-in-out infinite; }
.mobile .arm { position: absolute; top: 0; width: 2px; height: 90px; background: #efe8d244; left: 50%; transform-origin: 50% 0; }
.mobile .arm i { position: absolute; bottom: -8px; left: 50%; width: 12px; height: 12px;
  background: #efe8d2; opacity: .7; transform: translateX(-50%); }
.mobile .a1 { transform: rotate(-28deg); height: 100px; } .mobile .a1 i { clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); background: var(--amber); }
.mobile .a2 { transform: rotate(-8deg); height: 70px; } .mobile .a2 i { width: 10px; height: 10px; }
.mobile .a3 { transform: rotate(14deg); height: 110px; } .mobile .a3 i { border-radius: 50%; width: 11px; height: 11px; background: var(--blush); }
.mobile .a4 { transform: rotate(32deg); height: 80px; } .mobile .a4 i { width: 9px; height: 9px; transform: translateX(-50%) rotate(45deg); }
.crib { position: absolute; left: 50%; bottom: 0; width: 260px; height: 110px; margin-left: -130px;
  opacity: .55; transition: transform .4s var(--ease-out); }
body.stir .crib, body.stir .mobile { animation: stir .5s var(--ease-out); }
.crib .rail { position: absolute; left: 8%; right: 8%; top: 18%; height: 2px; background: #efe8d266; }
.crib .mattress { position: absolute; left: 10%; right: 10%; top: 22%; height: 28px; background: #efe8d214; border: 1px solid #efe8d230; }
.crib .bars { position: absolute; inset: 18% 8% 0; background:
  repeating-linear-gradient(90deg, #efe8d255 0 3px, transparent 3px 16px); }
.crib::before, .crib::after { content: ""; position: absolute; top: 8%; width: 4px; bottom: 0; background: #efe8d250; }
.crib::before { left: 8%; } .crib::after { right: 8%; }
.zzz-layer { position: fixed; inset: 0; pointer-events: none; z-index: 12; }
.zzz { position: absolute; left: 50%; top: 42%; color: var(--amber); font-size: 22px; letter-spacing: .12em;
  text-shadow: 0 0 12px #e0b44a80; animation: zzz-rise 1.5s var(--ease-out) forwards; pointer-events: none; }

@keyframes moon-glow { from { box-shadow: 0 0 36px 6px #efe8d230, 0 0 80px 16px #efe8d214; } to { box-shadow: 0 0 52px 12px #efe8d248, 0 0 110px 24px #efe8d222; } }
@keyframes rays-drift { from { opacity: .75; transform: translateX(-2%); } to { opacity: 1; transform: translateX(2%); } }
@keyframes twinkle { 0%, 100% { opacity: .25; } 50% { opacity: .95; } }
@keyframes mobile-sway { 0%, 100% { transform: rotate(-4deg); } 50% { transform: rotate(5deg); } }
@keyframes stir { 0%, to { transform: translate(0) rotate(0); } 20% { transform: translate(-6px, 1px) rotate(-1.2deg); } 45% { transform: translate(5px, -1px) rotate(1deg); } 70% { transform: translate(-3px) rotate(-.5deg); } }
@keyframes zzz-rise { from { opacity: 1; transform: translate(-50%, 0) scale(.8); } to { opacity: 0; transform: translate(calc(-50% + var(--dx, 0px)), -120px) scale(1.15); } }

/* sleep meter: fills upward 0:00 → 11:40 */
.meter { position: fixed; right: 6px; top: 110px; bottom: 110px; width: 36px; z-index: 2; pointer-events: none;
  font-size: 10px; color: #8b879688; letter-spacing: .08em; }
body:not(.in-game) .meter { display: none; }
.meter-track { position: relative; height: 100%; border-right: 1px dashed #8b879644; margin-right: 4px; }
.meter-track .tick { position: absolute; right: 8px; }
.tick.t0 { bottom: 0; } .tick.t3 { bottom: 25.7%; } .tick.t6 { bottom: 51.4%; } .tick.t9 { bottom: 77.1%; } .tick.t11 { top: 0; }
#youMark { position: absolute; right: -2px; width: 0; height: 0; border: 5px solid transparent; border-left-color: var(--blush);
  transform: translateY(5px); bottom: 0; top: auto; transition: bottom .8s var(--ease-out); }
#youMark::after { content: "you"; position: absolute; right: 10px; top: -7px; color: var(--blush); font-size: 10px;
  letter-spacing: .14em; text-transform: uppercase; }

/* ---------- chrome ---------- */
.hud { position: sticky; top: 0; z-index: 8; display: grid; grid-template-columns: 1fr auto 1fr; gap: 8px; align-items: end;
  padding: 10px 14px 8px; padding-top: max(10px, env(safe-area-inset-top));
  background: linear-gradient(#0a0b14f2, #0a0b14cc 70%, #0a0b1400);
}
.hud.hidden { display: none; }
.hud-pod { background: #12131ce6; border: 2px solid var(--line-hot); padding: 4px 10px 2px; min-width: 76px; }
.hud-pod.right { justify-self: end; text-align: right; }
.hud-pod .lbl, .hud-mid .lbl { display: block; color: var(--dim); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; }
.hud-pod b { font-size: 22px; font-weight: 400; line-height: 1; color: var(--moon); font-variant-numeric: tabular-nums; }
.hud-pod.right b { color: var(--amber); }
.hud-mid { text-align: center; padding-bottom: 2px; }
.dots { display: flex; gap: 4px; justify-content: center; margin-bottom: 2px; }
.dots i { width: 10px; height: 10px; background: #12131c; border: 2px solid var(--line-hot); display: block; }
.dots i.on { background: var(--blush); border-color: var(--blush); }
.dots i.done { background: var(--amber); border-color: var(--amber); }

#app { position: relative; z-index: 3; max-width: 28rem; margin: 0 auto; padding: 8px 16px 120px; min-height: 100dvh; }
.screen.hidden { display: none; }
.screen { animation: dim-in .6s var(--ease-out) both; }
@keyframes dim-in { from { opacity: 0; filter: brightness(1.4); transform: translateY(16px); } }
.enter { animation: card-in .6s var(--ease-out) both; }
@keyframes card-in { from { opacity: 0; transform: translateY(36px) scale(.96); } }

.brand { text-align: center; padding: 36px 0 18px; }
.brand.small { padding: 28px 0 12px; }
.kicker { margin: 0 0 8px; color: var(--amber); letter-spacing: .22em; text-transform: uppercase; font-size: 13px; }
.logo {
  margin: 0; font-weight: 400; font-size: clamp(58px, 16vw, 96px); line-height: .88; text-transform: uppercase;
  color: var(--moon);
  text-shadow: -3px 2px var(--blush), 3px -2px #e0b44acc, 0 0 28px #efe8d240;
  animation: flicker 5s step-end infinite;
}
.logo.tight { font-size: clamp(36px, 11vw, 56px); }
@keyframes flicker { 0%, 19%, 21%, 100% { opacity: 1; } 20% { opacity: .72; } }
.tag { margin: 16px 12px 0; color: var(--dim); font-size: 15px; line-height: 1.35; }

.panel { background: #12131cd9; border: 2px solid var(--line-hot); padding: 16px 14px 14px; margin: 14px 0; }
.lbl { display: block; color: var(--dim); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; margin: 0 0 6px; }
.field, .ds-input {
  width: 100%; background: #12131ce6; border: 2px solid var(--line-hot); color: var(--moon);
  caret-color: var(--blush); padding: 9px 10px 7px; font-size: 22px; letter-spacing: .04em;
  transition: border-color .25s;
}
.field:focus, .ds-input:focus { border-color: #e0b44aa6; }
.field::placeholder, .ds-input::placeholder { color: var(--dim); opacity: .55; }
.err { min-height: 1.2em; color: var(--t-clever); margin: 8px 0 0; font-size: 16px; }

.btn-descend {
  display: block; width: 100%; margin-top: 14px; border: 0;
  letter-spacing: .14em; text-transform: uppercase; color: var(--night); background: var(--blush);
  padding: 12px 18px 10px; font-size: 19px; font-weight: 400;
  box-shadow: 0 0 0 2px var(--night), 0 3px 0 2px var(--blush-shadow), 0 0 16px #c9848f66;
  transition: transform 60ms steps(2,end), box-shadow .15s;
}
.btn-descend:active { transform: translateY(2px); box-shadow: 0 0 0 2px var(--night), 0 1px 0 2px var(--blush-shadow); }
.btn-descend.sticky { position: sticky; bottom: calc(12px + env(safe-area-inset-bottom)); z-index: 5; margin-top: 18px; }
.btn-quiet {
  display: inline-block; margin-top: 8px; background: #12131ce6; color: var(--moon);
  border: 2px solid var(--amber); letter-spacing: .14em; text-transform: uppercase;
  padding: 10px 14px 8px; font-size: 16px; transition: transform 60ms steps(2,end), border-color .2s;
}
.btn-quiet.block { display: block; width: 100%; margin-top: 10px; text-align: center; }
.btn-quiet:active { transform: translateY(1px); }
.btn-danger { display: inline-block; background: transparent; color: var(--t-rare); border: 2px solid var(--t-rare);
  letter-spacing: .14em; text-transform: uppercase; padding: 10px 14px 8px; font-size: 16px; width: 100%; margin-top: 10px; }

.howto summary { cursor: pointer; color: var(--dim); letter-spacing: .14em; text-transform: uppercase; font-size: 14px; }
.howto ol { margin: 10px 0 0; padding-left: 1.2em; color: var(--moon); font-size: 17px; line-height: 1.4; }
.howto li { margin: 0 0 8px; }
.tiers { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tier-chip { border: 1px solid var(--c, var(--hairline)); color: var(--c); padding: 3px 7px 1px; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.tier-chip b { margin-left: 6px; font-weight: 400; }

.prompt-card {
  margin: 18px 0 0; background: #12131cf2; border: 2px solid var(--line-hot);
  padding: 16px 16px 12px; box-shadow: 0 0 0 1px #0008, 6px 8px 0 #0a0b1480;
  transition: transform .4s var(--ease-out);
}
body.stir .prompt-card { animation: stir .5s var(--ease-out); }
.prompt-kicker { margin: 0 0 8px; color: var(--blush); letter-spacing: .16em; text-transform: uppercase; font-size: 13px; }
.prompt-card h2, #readyTitle { margin: 0; font-size: clamp(28px, 8vw, 36px); font-weight: 400; line-height: 1.15; color: var(--moon);
  text-shadow: 0 0 18px #efe8d222; }
.prompt-sub { margin: 10px 0 0; color: var(--dim); font-size: 16px; min-height: 1em; }
.prompt-foot { margin: 16px 0 0; text-align: center; color: var(--dim); letter-spacing: .1em; font-size: 13px; text-transform: lowercase; }
.ready-note { text-align: center; color: var(--dim); margin: 28px 8px 0; font-size: 16px; }
.ready-hint { text-align: center; color: #8b879688; letter-spacing: .16em; text-transform: uppercase; font-size: 12px; margin: 10px 0 0; }

.dock { position: fixed; left: 0; right: 0; bottom: 0; z-index: 9; padding: 10px 12px calc(12px + env(safe-area-inset-bottom));
  background: linear-gradient(180deg, #0a0b1400, #0a0b14e6 28%); }
.dock.hidden { display: none; }
.dock.hot .ds-input { border-color: var(--blush); }
.dock.hot .fuse-fill { background: var(--blush); }
.dock.hot .timer { color: var(--blush); border-color: var(--blush); box-shadow: 0 0 10px #c9848f66; }
.dock-inner { display: flex; align-items: stretch; gap: 8px; max-width: 28rem; margin: 0 auto; }
.timer {
  width: 52px; height: 52px; flex: 0 0 52px; border: 2px solid var(--amber); color: var(--amber);
  display: grid; place-items: center; font-size: 22px; background: #12131c; transition: border-color .25s, color .25s, box-shadow .25s;
}
.input-col { flex: 1; position: relative; min-width: 0; }
.fuse { position: absolute; left: 0; right: 0; bottom: -8px; height: 4px; background: #1a1b26; box-shadow: 0 0 0 2px #0a0b14; overflow: hidden; }
.fuse-fill { width: 100%; height: 100%; background: var(--amber); transform-origin: 0 50%; transform: scaleX(1); }
.btn-dive {
  flex: 0 0 auto; border: 0; background: var(--blush); color: var(--night); letter-spacing: .12em; text-transform: uppercase;
  padding: 0 16px; font-size: 18px; box-shadow: 0 0 0 2px var(--night), 0 3px 0 2px var(--blush-shadow);
  transition: transform 60ms steps(2,end);
}
.btn-dive:active { transform: translateY(2px); box-shadow: 0 0 0 2px var(--night), 0 1px 0 2px var(--blush-shadow); }
.reject { text-align: center; color: var(--t-clever); text-shadow: 0 1px #0009; letter-spacing: .08em; font-size: 16px;
  margin: 8px 0 0; min-height: 1.2em; pointer-events: none; }
.reject.hit { color: var(--amber); animation: score-slam .55s var(--ease-snap); }
.reject.jolt { animation: reject-jolt .4s var(--ease-out); }
@keyframes reject-jolt { 0%,to { transform: translate(0); } 20% { transform: translate(-8px); } 45% { transform: translate(7px); } 70% { transform: translate(-4px); } }
@keyframes score-slam { 0% { transform: scale(1); } 35% { color: var(--amber); text-shadow: 0 0 26px #e0b44ae6; transform: scale(1.35) rotate(-2deg); } to { transform: scale(1); } }
.dock.shake .dock-inner { animation: shake .4s var(--ease-out); }
@keyframes shake { 0%,to { transform: translate(0); } 20% { transform: translate(-8px); } 40% { transform: translate(7px); } 60% { transform: translate(-5px); } 80% { transform: translate(3px); } }

.landed { text-align: center; padding: 28px 8px 10px; }
.landed-tier { margin: 0; letter-spacing: .2em; text-transform: uppercase; font-size: 22px; color: var(--c, var(--moon));
  text-shadow: 0 0 18px color-mix(in srgb, var(--c, #fff) 50%, transparent); animation: bloom .6s var(--ease-out) both; }
.landed-answer { margin: 10px 0 0; font-size: clamp(32px, 9vw, 44px); font-weight: 400; color: var(--moon); }
.landed-pts { margin: 10px 0 0; color: var(--moon); letter-spacing: .1em; text-transform: uppercase; font-size: 16px; }
.landed-note { margin: 8px 0 0; color: var(--dim); font-size: 16px; font-style: italic; }
@keyframes bloom { from { opacity: 0; filter: brightness(2.5); transform: scale(.6); } 60% { opacity: 1; transform: scale(1.06); } to { filter: none; transform: scale(1); } }

.catch { margin-top: 18px; }
.fathom { margin: 0 0 10px; letter-spacing: .16em; text-transform: uppercase; font-size: 13px; color: var(--moon); }
.fathom span { color: var(--dim); margin-left: 8px; font-size: 12px; letter-spacing: .1em; }
.fathom .live { color: var(--amber); }
.ans-tools { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 10px; }
.ans-chip { border: 1px solid var(--hairline); background: transparent; color: var(--moon); padding: 4px 8px 2px; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.ans-chip[aria-pressed="true"] { border-color: var(--c, var(--amber)); color: var(--c, var(--moon)); background: #ffffff14; }
.ans-search { width: 100%; background: #12131c80; border: 1px solid var(--hairline); color: var(--moon);
  padding: 6px 8px 5px; font-size: 16px; margin-bottom: 8px; }
.ans-search:focus { border-color: #e0b44aa6; }
.ans-list { list-style: none; margin: 0; padding: 0; max-height: 18rem; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; }
.ans-list li { display: flex; align-items: flex-start; gap: 8px; padding: 6px 6px 5px; border-bottom: 1px solid var(--hairline); }
.ans-list li.mine { background: #12131c80; }
.gem { width: 10px; height: 10px; margin-top: 6px; flex: 0 0 10px; background: var(--c); box-shadow: 0 0 8px color-mix(in srgb, var(--c) 50%, transparent); }
.ans-name { flex: 1; min-width: 0; color: var(--moon); font-size: 16px; }
.ans-name small { display: block; color: color-mix(in srgb, var(--dim) 80%, transparent); font-size: 13px; letter-spacing: 0; }
.ans-you { margin-left: 8px; color: var(--amber); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.ans-pts { color: var(--c, var(--dim)); font-size: 13px; letter-spacing: .08em; }
.ans-empty { color: var(--dim); padding: 8px 4px; font-size: 15px; }
.ans-more { color: var(--dim); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; padding: 8px 4px; }

.done-head { padding: 12px 2px 8px; }
.done-row { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.done-krill { letter-spacing: .16em; text-transform: uppercase; color: var(--moon); font-size: 16px;
  text-shadow: -1px 1px var(--blush), 1px -1px var(--amber); }
.done-meta { color: var(--dim); letter-spacing: .14em; text-transform: uppercase; font-size: 13px; }
.done-score { display: flex; align-items: baseline; gap: 10px; margin-top: 10px; }
.done-score span:first-child { font-size: 5rem; line-height: .9; color: var(--moon); font-variant-numeric: tabular-nums; }
.done-depth { color: var(--amber); font-size: 16px; letter-spacing: .08em; text-transform: uppercase; }
.done-rank { margin: 8px 0 0; color: var(--c, var(--amber)); letter-spacing: .06em; font-size: 16px; text-transform: none; }

.bands, .board, .dive-list { list-style: none; margin: 0; padding: 0; }
.bands li, .board li { display: grid; grid-template-columns: 14px 1fr auto; gap: 10px; align-items: center;
  padding: 8px 4px; border-bottom: 1px solid var(--hairline); }
.bands li { grid-template-columns: 14px 5.5rem 1fr; align-items: start; }
.bands li .range { color: var(--c); letter-spacing: .08em; font-size: 13px; }
.bands li .verdict { color: var(--dim); font-size: 15px; line-height: 1.3; }
.bands li.here .verdict { color: var(--moon); }
.board li { grid-template-columns: 1.6rem 1fr auto; }
.board li.me { outline: 1px solid var(--blush); outline-offset: -1px; }
.board .pl { color: var(--dim); font-size: 14px; }
.board .nm { color: var(--moon); font-size: 17px; }
.board .nm small { display: block; color: var(--dim); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.board .sc { text-align: right; color: var(--moon); font-size: 16px; font-variant-numeric: tabular-nums; }
.board .sc small { display: block; color: var(--dim); font-size: 12px; }
.board .empty { color: var(--dim); grid-column: 1 / -1; padding: 8px 0; }

.dive-row { border-bottom: 1px solid var(--hairline); }
.dive-row > button { width: 100%; text-align: left; background: none; border: 0; color: inherit;
  display: grid; grid-template-columns: 14px minmax(0,1fr) 3.4rem; gap: 8px; align-items: start; padding: 10px 2px; }
.dive-row .q { color: var(--moon); font-size: 16px; }
.dive-row .a { color: var(--dim); font-size: 14px; }
.dive-row .pts { color: var(--c, var(--dim)); letter-spacing: .08em; text-align: right; font-variant-numeric: tabular-nums; }
.dive-body { display: none; padding: 0 2px 12px 18px; }
.dive-row.open .dive-body { display: block; animation: dim-in .35s var(--ease-out) both; }

@media (min-width: 720px) {
  .meter { right: calc(50vw - 220px); }
}