/* Slump: Skuggabaldur's Icelandic winter night in pixels, by the sea. */

@font-face {
  font-family: "VT323";
  src: url("fonts/VT323-Regular.ttf") format("truetype");
  font-display: swap;
}

:root {
  /* Skuggabaldur's night */
  --night-0: #04060d;
  --night-1: #0a1024;
  --night-2: #141c40;
  --ink: #e8eeff;
  --muted: #8e9ac0;
  --line: #2a3563;
  --aurora: #7dffb0;
  --aurora-2: #4de3ff;
  --violet: #c58bff;
  --gold: #ffd166;
  --danger: #ff5d73;
  --ember: #ff9f43;
  --sea: #2fe6c8; /* Slump's own accent, where Skuggabaldur uses the aurora and Skoffín its ember */

  --panel: rgba(6, 9, 22, 0.86);
  --dialog: rgba(6, 9, 22, 0.97);
  --row: rgba(10, 16, 36, 0.92);
  --field: var(--night-0);
  --ring: var(--night-0);
  --hard-shadow: rgba(0, 0, 0, 0.45);
  --glow: 1;

  /* the tiers, from in the net to out at sea */
  --t-net: var(--aurora);
  --t-close: var(--gold);
  --t-near: var(--ember);
  --t-far: var(--danger);
  --t-lost: #a3aed0;

  /* the scene */
  --sky: linear-gradient(to bottom, #03050b 0%, #0a1130 42%, #18204d 72%, #2a2456 100%);
  --far: #1b2250; --snow: #3b4880; --mid: #10163a; --near: #070a18;
  --moss: #173a22; --seawater: #0d1d48; --sea-top: #2f6fb0; --ripple: #2f6fb0; --ripple-2: #4a8fd0;
  --stack: #0b0f22; --stack-lit: #1b2250;
  --turf: #17301f; --wood: #241d33; --wall: #8f97b8; --roof: #7a2238; --pier: #2a2238;
  --hull: #1c1530; --gunwale: #7a2238; --mast: #3a3150;
  --moon: #f1f5ff; --moon-crater: #c3cdea; --moon-glow: rgba(241, 245, 255, 0.55);
  --scanline: rgba(255, 255, 255, 0.03);

  --font-pixel: "VT323", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --ease-snap: cubic-bezier(0.34, 1.56, 0.64, 1);
  --landscape-h: clamp(170px, 34vw, 34vh);
  /* the screen's nets: the width of each, set by the page, and their see-through water */
  --net: 0px;
  --net-bg: rgba(5, 9, 21, 0.5);
  color-scheme: dark;
}

/* The light theme is a bright Icelandic summer night: a low midnight sun, no aurora, no stars. */
:root[data-theme="light"] {
  --night-0: #fbf8ff;
  --night-1: #ffffff;
  --night-2: #e9e4fb;
  --ink: #141c40;
  --muted: #535d8c;
  --line: #9aa2d6;
  --aurora: #13a266;
  --aurora-2: #1588b8;
  --violet: #8d4fe0;
  --gold: #a87a0c;
  --danger: #d23552;
  --ember: #d9681c;
  --sea: #0f9c87;

  --panel: rgba(251, 248, 255, 0.88);
  --dialog: rgba(251, 248, 255, 0.98);
  --row: rgba(255, 255, 255, 0.92);
  --field: #ffffff;
  --ring: rgba(255, 255, 255, 0.75);
  --hard-shadow: rgba(40, 30, 90, 0.18);
  --glow: 0;
  --t-lost: #6a7398;

  --sky: linear-gradient(to bottom, #6f8be0 0%, #a7b5ef 36%, #efb9d2 70%, #ffd7a3 100%);
  --far: #6b72b5; --snow: #f4f2ff; --mid: #4d548f; --near: #272c5a;
  --moss: #3f7a4c; --seawater: #4f6fcf; --sea-top: #c9d6ff; --ripple: #c9d6ff; --ripple-2: #ffffff;
  --stack: #272c5a; --stack-lit: #4d548f;
  --turf: #3f6b45; --wood: #5b4a6e; --wall: #f4f2ff; --roof: #d23552; --pier: #5b4a6e;
  --hull: #3b2f5c; --gunwale: #d23552; --mast: #5b4a6e;
  --moon: #ffe29a; --moon-crater: #fff3c9; --moon-glow: rgba(255, 190, 110, 0.85);
  --scanline: rgba(20, 28, 64, 0.035);
  --net-bg: rgba(52, 71, 154, 0.35);
  color-scheme: light;
}

* { box-sizing: border-box; }

html {
  font-size: 20px;
  background: var(--night-0);
}

body {
  margin: 0;
  min-height: 100dvh;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--night-0);
  font-family: var(--font-pixel);
  font-size: 1.15rem;
  line-height: 1.25;
  font-synthesis: none;
  -webkit-font-smoothing: none;
  -webkit-tap-highlight-color: transparent;
}

/* CRT scanlines over everything, as in Skuggabaldur. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  background: repeating-linear-gradient(to bottom, var(--scanline) 0 1px, transparent 1px 3px);
}

a { color: var(--aurora-2); }
b, strong { font-weight: normal; color: var(--gold); }
i, em { font-style: normal; color: var(--aurora-2); }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.muted { color: var(--muted); }

h2, h3 {
  margin: 0 0 10px;
  font-size: 0.95rem;
  font-weight: normal;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
h3 { margin-top: 18px; }

.t-net { --tier: var(--t-net); }
.t-close { --tier: var(--t-close); }
.t-near { --tier: var(--t-near); }
.t-far { --tier: var(--t-far); }
.t-lost { --tier: var(--t-lost); }

/* ---------- Scene ---------- */

.scene {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: var(--sky);
}

.aurora {
  position: absolute;
  inset: 4% -30% auto;
  height: 48%;
  filter: blur(26px);
  opacity: 0.6;
  mix-blend-mode: screen;
}

.band {
  position: absolute;
  left: 0;
  width: 100%;
  height: 34%;
  border-radius: 50%;
  animation: drift 22s ease-in-out infinite alternate;
}

.band-1 {
  top: 8%;
  background: linear-gradient(90deg, transparent 5%, rgba(125, 255, 176, 0.75) 35%, rgba(77, 227, 255, 0.55) 60%, transparent 90%);
  transform: rotate(-9deg);
}

.band-2 {
  top: 34%;
  background: linear-gradient(90deg, transparent 15%, rgba(77, 227, 255, 0.45) 45%, rgba(197, 139, 255, 0.5) 70%, transparent 95%);
  transform: rotate(-4deg);
  animation-duration: 28s;
  animation-direction: alternate-reverse;
}

/* Slump's aurora has a sea-green hem, mirrored in the water. */
.band-3 {
  top: 58%;
  height: 22%;
  background: linear-gradient(90deg, transparent 25%, rgba(47, 230, 200, 0.42) 50%, rgba(77, 227, 255, 0.28) 68%, transparent 82%);
  transform: rotate(-12deg);
  animation-duration: 17s;
}

@keyframes drift {
  from { translate: -8% 0; opacity: 0.7; }
  to { translate: 8% 6%; opacity: 1; }
}

.star {
  position: absolute;
  width: 3px;
  height: 3px;
  background: #dfe7ff;
  opacity: 0.7;
}

.star.big {
  width: 5px;
  height: 5px;
  box-shadow: 0 0 6px rgba(223, 231, 255, 0.8);
}

.star.twinkle { animation: twinkle 3.2s steps(3) infinite; }

@keyframes twinkle {
  0%, 100% { opacity: 0.85; }
  50% { opacity: 0.15; }
}

:root[data-theme="light"] .aurora,
:root[data-theme="light"] #stars { display: none; }

.sky-body {
  position: absolute;
  top: 11%;
  right: 9%;
  width: 58px;
  height: 58px;
  filter: drop-shadow(0 0 16px var(--moon-glow));
}

.sky-body .disc { fill: var(--moon); }
.sky-body .crater { fill: var(--moon-crater); }

/* The midnight sun hangs low, just above the mountains. */
.sky-body.sun {
  top: auto;
  bottom: calc(var(--landscape-h) * 0.62);
  right: 13%;
  width: 84px;
  height: 84px;
}

.world {
  position: absolute;
  left: 0;
  bottom: 0;
  height: var(--landscape-h);
}

.world .far { fill: var(--far); }
.world .snow { fill: var(--snow); }
.world .mid { fill: var(--mid); }
.world .near { fill: var(--near); }
.world .moss-top { fill: var(--moss); }
.world .sea { fill: var(--seawater); }
.world .sea-top { fill: var(--sea-top); }
.world .ripple { fill: var(--ripple); animation: shimmer 1.6s steps(2) infinite; }
.world .stack { fill: var(--stack); }
.world .stack-lit { fill: var(--stack-lit); }
.world .turf { fill: var(--turf); }
.world .wood { fill: var(--wood); }
.world .wall { fill: var(--wall); }
.world .roof { fill: var(--roof); }
.world .cross { fill: var(--gold); }
.world .window { fill: var(--gold); filter: drop-shadow(0 0 1.2px var(--gold)); }
.world .door { fill: #0d0a17; }
.world .stockfish { fill: #c9b38a; }
.world .pier { fill: var(--pier); }
.world .hull { fill: var(--hull); }
.world .gunwale { fill: var(--gunwale); }
.world .mast { fill: var(--mast); }
.world .oilskin { fill: #ffd166; }
.world .face { fill: #e8c4a8; }
.world .lantern { fill: #ffd166; filter: drop-shadow(0 0 1.5px #ffd166); animation: beacon 2.4s steps(1) infinite; }
.world .lantern-glow { fill: rgba(255, 209, 102, 0.2); filter: blur(2px); animation: beacon 2.4s steps(1) infinite; }
.world .float { fill: var(--sea); animation: bob 1.8s steps(2) infinite; }
.world .boat { animation: bob 2.4s steps(2) infinite; }

@keyframes shimmer { 50% { fill: var(--ripple-2); } }
@keyframes beacon { 0%, 70% { opacity: 1; } 71%, 100% { opacity: 0.55; } }
@keyframes bob { 50% { transform: translateY(-0.5px); } }

/* ---------- Layout ---------- */

/* The game's narrow layout follows its own width, a container, rather than the window's. */
header, main {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
  container-type: inline-size;
}

/* ---------- The screen's nets ---------- */

/* Over the scene, behind the game: they close in on it as the panel's net closes, and hold there. */
.side-net {
  position: fixed;
  top: 0;
  bottom: 0;
  z-index: 1;
  width: var(--net);
  background-color: var(--net-bg);
  /* the panel's mesh, four screen pixels to a pixel */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='4' height='4' shape-rendering='crispEdges'%3E%3Cg fill='%23c8d6f0' fill-opacity='0.42'%3E%3Crect x='0' y='0' width='1' height='1'/%3E%3Crect x='1' y='1' width='1' height='1'/%3E%3Crect x='2' y='2' width='1' height='1'/%3E%3Crect x='3' y='1' width='1' height='1'/%3E%3Crect x='2' y='0' width='1' height='1'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 16px 16px;
  image-rendering: pixelated;
}

.side-net.left { left: 0; background-position: right top; } /* the mesh moves with the leading edge */
.side-net.right { right: 0; background-position: left top; }

/* the rope along the leading edge, with a glass float every few steps */
.side-net::after,
.side-net::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
}

.side-net::after { width: 4px; background: #c9b38a; }
.side-net::before {
  width: 12px;
  background: repeating-linear-gradient(to bottom, transparent 0 52px, #2fe6c8 52px 64px);
  filter: drop-shadow(0 0 4px #2fe6c8);
}

.side-net.left::after { right: 0; }
.side-net.left::before { right: -4px; }
.side-net.right::after { left: 0; }
.side-net.right::before { left: -4px; }

main { padding: 0 16px calc(var(--landscape-h) * 0.6); }

.top {
  padding: clamp(28px, 7vh, 64px) 16px 0;
  text-align: center;
}

.logo {
  margin: 0;
  font-size: clamp(2.6rem, 11cqi, 4.4rem);
  font-weight: normal;
  line-height: 1;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #f1f5ff;
  text-shadow: -3px 0 0 var(--violet), 3px 0 0 var(--sea), 0 0 26px rgba(47, 230, 200, 0.45);
  animation: glitch 7s steps(1) infinite;
}

@keyframes glitch {
  0%, 96%, 100% { text-shadow: -3px 0 0 var(--violet), 3px 0 0 var(--sea), 0 0 26px rgba(47, 230, 200, 0.45); }
  97% { text-shadow: 5px 0 0 var(--violet), -5px 0 0 var(--sea), 0 0 26px rgba(47, 230, 200, 0.45); }
  98% { text-shadow: -1px 2px 0 var(--violet), 2px -2px 0 var(--sea), 0 0 26px rgba(47, 230, 200, 0.45); }
}

.tagline {
  margin: 14px 0 0;
  letter-spacing: 0.45em;
  text-transform: uppercase;
  color: var(--gold);
  text-shadow: 0 0 10px rgba(255, 209, 102, calc(0.6 * var(--glow)));
}

:root[data-theme="light"] .tagline { color: #fff6dd; text-shadow: 0 1px 0 rgba(20, 28, 64, 0.6); }

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 26px 0 0;
}

/* The puzzle number in a HUD box, as in Skuggabaldur. It opens the calendar of earlier days. */
.meta {
  --accent: var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  margin: 0;
  padding: 6px 12px 4px;
  font-size: inherit;
  letter-spacing: normal;
  text-transform: none;
  text-align: left;
  background: var(--panel);
  border: 3px solid var(--line);
  box-shadow: 0 0 0 2px var(--ring);
}

.meta:hover:not(:disabled) { border-color: var(--aurora-2); box-shadow: 0 0 0 2px var(--ring); }
.meta-icon { flex: none; width: 14px; height: 14px; image-rendering: pixelated; }

.meta-text { display: grid; }
.meta b { font-size: 1.6rem; line-height: 1; color: var(--sea); white-space: nowrap; }
.meta-date { color: var(--muted); font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; white-space: nowrap; }

.tools { display: flex; gap: 10px; }

/* Playing an earlier day: a gold note, as in Skuggabaldur, with the way back to today's. */
.past-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0 0;
  padding: 8px 10px;
  font-size: 1rem;
  line-height: 1.15;
  color: var(--gold);
  background: var(--panel);
  border: 3px solid color-mix(in srgb, var(--gold) 50%, transparent);
}

.past-bar span { flex: 1; min-width: 0; }
.past-bar .px-btn { flex: none; padding: 4px 12px; font-size: 1rem; }

/* A panel: dark glass with a pixel border and a hard shadow. */
.px-box {
  position: relative;
  margin: 22px 0;
  padding: 18px;
  background: var(--panel);
  border: 3px solid var(--line);
  box-shadow: 0 0 0 3px var(--ring), 8px 8px 0 0 var(--hard-shadow);
  backdrop-filter: blur(3px);
  animation: rise 0.35s var(--ease-snap);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

/* ---------- Buttons and input ---------- */

button, a.px-btn {
  --accent: var(--aurora);
  font: inherit;
  font-size: 1.2rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  background: var(--night-1);
  border: 3px solid var(--accent);
  border-radius: 0;
  padding: 10px 16px;
  cursor: pointer;
  box-shadow: 0 0 0 3px var(--ring), 0 0 18px color-mix(in srgb, var(--accent) calc(22% * var(--glow)), transparent);
  transition: box-shadow 0.15s, transform 0.06s;
}

button:hover:not(:disabled), a.px-btn:hover { box-shadow: 0 0 0 3px var(--ring), 0 0 28px color-mix(in srgb, var(--accent) 50%, transparent); }
button:active:not(:disabled), a.px-btn:active { transform: translate(2px, 2px); }
button:focus-visible, a.px-btn:focus-visible { outline: 3px dashed var(--aurora-2); outline-offset: 4px; }

button:disabled {
  color: var(--muted);
  border-color: var(--line);
  box-shadow: 0 0 0 3px var(--ring);
  cursor: default;
}

.px-btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; }
.px-btn.primary { --accent: var(--sea); }
.px-btn.plain { --accent: var(--line); }

.icon-btn {
  --accent: var(--line);
  width: 44px;
  height: 44px;
  padding: 0;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  letter-spacing: 0;
  text-transform: none;
  color: #e8eeff;
  background: #0a1024; /* dark in both themes, so the pixel icons show */
  box-shadow: 0 0 0 2px var(--ring);
}

.icon-btn:hover:not(:disabled) { border-color: var(--aurora-2); box-shadow: 0 0 0 2px var(--ring); }
.icon-btn img { width: 21px; height: 21px; image-rendering: pixelated; }

/* the number and the button side by side, the reading of it below */
.guess-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "field cast" "preview preview";
  gap: 0 12px;
  margin: 18px 0 0;
}

.guess-form .field { grid-area: field; }
.guess-form .preview { grid-area: preview; }
.guess-form #btn-cast { grid-area: cast; }

.field {
  min-width: 0;
  display: flex;
  align-items: center;
  height: 60px;
  background: var(--field);
  border: 3px solid var(--aurora-2);
}

.field:focus-within { box-shadow: 0 0 0 3px color-mix(in srgb, var(--aurora-2) 18%, transparent); }

.guess-input {
  flex: 1;
  min-width: 0;
  height: 100%;
  font: inherit;
  font-size: 1.6rem;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 6px 12px;
  outline: none;
  caret-color: var(--sea);
}

.guess-input::placeholder { color: var(--muted); }
.unit { flex: none; padding: 0 12px 0 4px; color: var(--muted); font-size: 1.2rem; }

/* The calculator's button, at the end of the number's box */
.calc-btn {
  --accent: var(--line);
  flex: none;
  align-self: stretch;
  width: 54px;
  padding: 0;
  display: grid;
  place-items: center;
  background: #0a1024; /* dark in both themes, so the pixel icon shows */
  border: 0;
  border-left: 3px solid var(--line);
  box-shadow: none;
}
.calc-btn img { width: 24px; height: 24px; image-rendering: pixelated; }
.calc-btn:hover:not(:disabled) { box-shadow: none; background: #141c40; }

/* ---------- The calculator ---------- */

/* A popup over the page, never below it: it fits a phone's screen with the question on top. */
.px-dialog.calc-dialog {
  width: min(420px, calc(100vw - 24px));
  padding: 14px;
  border-color: var(--sea);
  box-shadow: 0 0 0 3px var(--ring), 0 0 24px color-mix(in srgb, var(--sea) calc(30% * var(--glow)), transparent), 8px 8px 0 0 var(--hard-shadow);
}
.calc-dialog[open] { animation: rise 0.25s var(--ease-snap); }
.px-dialog.calc-dialog::backdrop { background: rgba(4, 6, 13, 0.55); }

.calc-head { display: flex; align-items: center; justify-content: space-between; margin: 0 0 6px; }
.px-dialog .calc-head h2 { margin: 0; color: var(--sea); }
.px-dialog .calc-q { margin: 0 0 10px; font-size: 1rem; line-height: 1.15; }
.calc-close { --accent: var(--line); width: 36px; height: 36px; padding: 0; font-size: 1.4rem; letter-spacing: 0; box-shadow: none; }

.calc-input {
  width: 100%;
  height: 52px;
  font: inherit;
  font-size: 1.5rem;
  text-align: right;
  color: var(--ink);
  background: var(--field);
  border: 3px solid var(--line);
  border-radius: 0;
  padding: 4px 10px;
  outline: none;
  caret-color: var(--sea);
}
.calc-input:focus { border-color: var(--aurora-2); }
.calc-input::placeholder { color: var(--muted); }

.calc-result { min-height: 1.4em; margin: 6px 2px 10px; text-align: right; font-size: 1.6rem; color: var(--sea); }
.calc-result.is-error { color: var(--muted); }

.calc-keys { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.calc-keys button { --accent: var(--line); padding: 8px 0; font-size: 1.45rem; letter-spacing: 0; box-shadow: 0 0 0 2px var(--ring); }
.calc-keys .op { --accent: var(--aurora-2); color: var(--aurora-2); }
.calc-keys .fn { color: var(--gold); }
.calc-keys .eq { --accent: var(--sea); color: var(--sea); }
.calc-keys .use { --accent: var(--sea); grid-column: span 3; font-size: 1.15rem; letter-spacing: 0.12em; }

.preview { min-height: 1.25em; margin: 8px 0 0; color: var(--sea); }
.preview.is-error { color: var(--danger); }


/* ---------- Messages ---------- */

.message {
  margin: 18px 0 0;
  padding: 10px 14px 4px;
  background: var(--panel);
  border: 3px solid var(--line);
  box-shadow: 0 0 0 3px var(--ring);
}

.message:empty { display: none; }
.message p { margin: 0 0 8px; }

/* ---------- The three questions ---------- */

.pips { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 18px 0 0; padding: 0; }

.pip {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px;
  padding: 4px 10px 2px;
  background: var(--panel);
  border: 3px solid var(--line);
  box-shadow: 0 0 0 2px var(--ring);
}

.pip-no { color: var(--muted); }
.pip-score { font-size: 1.35rem; color: var(--muted); }
.pip.done { border-color: color-mix(in srgb, var(--tier) 55%, var(--line)); }
.pip.done .pip-score { color: var(--tier); }
.pip.current { border-color: var(--sea); box-shadow: 0 0 0 2px var(--ring), 0 0 14px color-mix(in srgb, var(--sea) calc(35% * var(--glow)), transparent); }
.pip.current .pip-no { color: var(--sea); }

.q-count { margin: 0 0 6px; font-size: 0.85rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--sea); }

.card .q-prompt {
  margin: 0 0 16px;
  font-size: clamp(1.45rem, 5.4cqi, 1.9rem);
  line-height: 1.1;
  letter-spacing: normal;
  text-transform: none;
  color: var(--ink);
}

/* The sea panel: a night window in both themes, so the pixel art looks the same. */
.sea-panel { position: relative; scroll-margin-top: 14px; }

.net {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 96 / 30;
  border: 3px solid #2a3563;
  box-shadow: 0 0 0 3px var(--ring);
  background: #050915;
}

.net .nw-sky { fill: #070b1c; }
.net .nw-sea-1 { fill: #0f2152; }
.net .nw-sea-2 { fill: #0b1940; }
.net .nw-sea-3 { fill: #081230; }
.net .nw-surface { fill: #2f6fb0; animation: shimmer-net 1.6s steps(2) infinite; }
.net .nw-glint { fill: #1e3f7c; }
.net .nw-floor { fill: #1a1f33; }
.net .nw-stone { fill: #3a4058; }
.net .nw-kelp { fill: #2f7a5a; transform-box: fill-box; transform-origin: bottom; animation: sway 2.2s steps(2) infinite; }
.net .mesh { fill: rgba(200, 214, 240, 0.42); }
.net .nw-rope { fill: #c9b38a; }
.net .nw-float { fill: #2fe6c8; filter: drop-shadow(0 0 1px #2fe6c8); }
.net .nw-bubble { fill: #a8c8ff; animation: rise-bubble 1.6s steps(4) infinite; }
.net .nw-marb { animation: bob-net 1.6s steps(2) infinite; }

@keyframes shimmer-net { 50% { fill: #4a8fd0; } }
@keyframes sway { 50% { transform: skewX(-8deg); } }
@keyframes bob-net { 50% { transform: translateY(-1px); } }
@keyframes rise-bubble { from { transform: translateY(0); opacity: 1; } to { transform: translateY(-4px); opacity: 0.2; } }

.bubble {
  position: relative;
  margin: 14px 0 0;
  padding: 8px 14px;
  min-height: 46px;
  background: var(--panel);
  border: 3px solid var(--line);
  box-shadow: 0 0 0 3px var(--ring);
}

.bubble::before { /* the tail, pointing up at the marbendill */
  content: "";
  position: absolute;
  left: calc(50% - 4px);
  top: -12px;
  width: 9px;
  height: 9px;
  background: var(--line);
}

/* ---------- After a guess ---------- */

/* A close guess is stamped on the sea panel, gold within 1,05×, green in the best tier; then it moves
   to the corner, out of the marbendill's face. */
.stamp {
  --stamp: var(--t-net);
  position: absolute;
  left: 50%;
  top: 30%;
  z-index: 3;
  margin: 0;
  padding: 4px 14px 0;
  font-size: clamp(1.8rem, 8cqi, 3rem);
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--stamp);
  background: rgba(4, 6, 13, 0.78);
  border: 4px solid var(--stamp);
  box-shadow: 0 0 22px color-mix(in srgb, var(--stamp) 55%, transparent);
  text-shadow: 0 0 12px var(--stamp);
  transform: translate(-50%, -50%) rotate(-7deg);
  pointer-events: none;
  animation: stamp-in 0.4s steps(4) both, stamp-settle 0.3s steps(3) 1.1s forwards, stamp-out 0.4s steps(3) 3.2s forwards;
}
.stamp.spot { --stamp: #ffd166; }

@keyframes stamp-in {
  from { opacity: 0; transform: translate(-50%, -50%) rotate(-7deg) scale(3); }
  to { opacity: 1; transform: translate(-50%, -50%) rotate(-7deg) scale(1); }
}
@keyframes stamp-settle { to { left: 22%; top: 24%; transform: translate(-50%, -50%) rotate(-7deg) scale(0.55); } }
@keyframes stamp-out { to { opacity: 0; visibility: hidden; } }

/* the card jolts for a bullseye, and the score and its pill pop as they land */
.card.jolt { animation: jolt 0.36s steps(2) 2; }
@keyframes jolt {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(-5px, 2px); }
  50% { transform: translate(4px, -3px); }
  75% { transform: translate(-3px, -1px); }
}
.landed .ratio, .landed .chip { display: inline-block; animation: land 0.3s steps(3); }
@keyframes land { 50% { transform: scale(1.25); } }
.pip.spot { border-color: var(--gold); box-shadow: 0 0 0 2px var(--ring), 0 0 14px color-mix(in srgb, var(--gold) calc(55% * var(--glow)), transparent); }
.pip.spot .pip-score { color: var(--gold); }

.reveal { margin-top: 18px; animation: rise 0.35s var(--ease-snap); }

.verdict { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 14px; }
.r-score { margin: 0; }
.ratio {
  font-size: clamp(2.6rem, 11cqi, 3.6rem);
  line-height: 1;
  color: var(--tier);
  text-shadow: 0 0 18px color-mix(in srgb, var(--tier) calc(70% * var(--glow)), transparent);
}
.direction { margin-left: 8px; font-size: 1.3rem; color: var(--muted); }

/* A tier is one of Skuggabaldur's pills, in its colour. */
.chip {
  padding: 1px 10px;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
  color: var(--tier);
  background: var(--night-1);
  border: 3px solid var(--tier);
  text-shadow: 0 0 8px color-mix(in srgb, var(--tier) calc(100% * var(--glow)), transparent);
  box-shadow: 0 0 14px color-mix(in srgb, var(--tier) calc(40% * var(--glow)), transparent);
}

.pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin: 16px 0 0; }
.pair div { padding: 6px 10px 4px; background: var(--row); border: 3px solid var(--line); }
.pair dt { font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.pair dd { margin: 0; font-size: 1.45rem; line-height: 1.1; color: var(--tier); overflow-wrap: break-word; /* between the number and the unit, not inside the number */ }
.pair .is-answer { border-color: color-mix(in srgb, var(--gold) 50%, var(--line)); }
.pair .is-answer dd { color: var(--gold); }

/* The log axis: a hundredth of the answer on the left, a hundred times it on the right. */
.axis { position: relative; height: 66px; margin: 16px 14px 4px; }
.axis-line { position: absolute; left: 0; right: 0; top: 30px; height: 3px; background: var(--line); }
.axis-ticks { list-style: none; margin: 0; padding: 0; }
.tick {
  position: absolute;
  top: 42px;
  font-size: 0.8rem;
  color: var(--muted);
  white-space: nowrap;
  transform: translateX(-50%);
}
.tick::before { content: ""; position: absolute; left: calc(50% - 1px); top: -12px; width: 3px; height: 9px; background: var(--line); }
.tick.is-answer { color: var(--gold); }
/* opaque, so the narrower bands sit cleanly on the wider ones */
.zone { position: absolute; top: 24px; height: 15px; background: color-mix(in srgb, var(--tier) 30%, var(--night-1)); }
.axis-mark { position: absolute; top: 18px; width: 5px; height: 27px; margin-left: -2px; background: var(--gold); }
.axis-mark.guess { background: var(--tier); box-shadow: 0 0 10px color-mix(in srgb, var(--tier) calc(80% * var(--glow)), transparent); }
.axis-mark.guess::after {
  content: attr(data-label);
  position: absolute;
  left: 50%;
  top: -20px;
  font-size: 0.9rem;
  color: var(--tier);
  transform: translateX(-50%);
}

.fact { margin: 14px 0 0; padding: 8px 12px; background: var(--row); border-left: 6px solid var(--sea); }

.napkin { margin: 0; padding: 0 0 0 1.6em; display: grid; gap: 4px; }
.napkin li::marker { color: var(--sea); }

.source { margin: 14px 0 0; font-size: 0.9rem; }
.source a { color: var(--muted); }

.next-btn { width: 100%; margin-top: 18px; }

/* ---------- End of the day ---------- */

.result { text-align: center; }
.big-score { margin: 6px 0 4px; }
.big-score span {
  font-size: clamp(3.2rem, 15cqi, 5rem);
  line-height: 1;
  color: var(--tier);
  text-shadow: -3px 0 0 var(--violet), 3px 0 0 var(--sea), 0 0 26px color-mix(in srgb, var(--tier) calc(60% * var(--glow)), transparent);
}
.caught { margin: 10px 0 16px; color: var(--gold); }
.result .bubble { text-align: left; }

.summary { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 8px; text-align: left; }
.sum { display: flex; align-items: center; gap: 12px; padding: 8px 12px; background: var(--row); border: 3px solid var(--line); }
.sum .chip { flex: none; min-width: 5.2rem; text-align: center; }
.sum-text { min-width: 0; }
.sum-q, .sum-a { margin: 0; }
.sum-q { line-height: 1.1; }
.sum-a { color: var(--muted); font-size: 1rem; }

.share {
  margin: 0 auto 14px;
  padding: 10px 12px;
  max-width: 340px;
  text-align: left;
  font: inherit;
  white-space: pre-wrap;
  user-select: all;
  border: 3px dashed var(--line);
}

.next { margin: 16px 0 0; color: var(--muted); letter-spacing: 0.1em; }
.next b { font-size: 1.6rem; color: var(--gold); letter-spacing: 0.08em; }

/* ---------- Earlier days: the last 8 as cards, as in Skuggabaldur ---------- */
/* Night windows in both themes, like the icon buttons, so the little landscapes show. */

.result h3 { margin-top: 26px; }

.day-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 8px;
  list-style: none;
  background: rgba(6, 9, 22, 0.88);
  border: 3px solid var(--line);
}

.day-card {
  --accent: #4de3ff;
  position: relative;
  display: grid;
  justify-items: center;
  gap: 2px;
  width: 100%;
  height: 100%;
  padding: 6px 4px 5px;
  font-size: 1rem;
  letter-spacing: normal;
  text-transform: none;
  color: #e8eeff;
  background: linear-gradient(#0d1430, #070b1c);
  border: 2px solid #2a3563;
  box-shadow: none;
  overflow: hidden;
}

.day-card::before { /* a few stars */
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(1px 1px at 18% 22%, #fff8 50%, transparent 51%), radial-gradient(1px 1px at 78% 30%, #fff6 50%, transparent 51%),
    radial-gradient(1px 1px at 55% 12%, #fff5 50%, transparent 51%);
}

.dc-name { font-size: 0.85rem; color: #8e9ac0; }
.dc-num { font-size: 1.7rem; line-height: 1; }
.dc-land { width: 100%; height: auto; margin-top: 2px; }
.dc-land .dc-hill { fill: #2c3a78; }
.dc-land .dc-hill.today { fill: #1d5a5a; }
.dc-land .dc-ground { fill: #1a2350; }
.dc-land .dc-ground.today { fill: #1d3a3a; }
.dc-land .dc-sea { fill: #2f6fb0; }
.dc-land .dc-hull { fill: #3a2a40; }
.dc-land .dc-mast { fill: #69708f; }
.dc-land .dc-lamp { fill: #ffd166; }
.dc-land .dc-catch { fill: #ffd166; }
.dc-foot { font-size: 0.8rem; color: #8e9ac0; letter-spacing: 0.04em; white-space: nowrap; }

.day-card.done { border-color: color-mix(in srgb, #7dffb0 45%, #2a3563); }
.day-card.done .dc-num, .day-card.done .dc-foot { color: #7dffb0; }
.day-card.started { border-color: color-mix(in srgb, #ffd166 45%, #2a3563); }
.day-card.started .dc-num, .day-card.started .dc-foot { color: #ffd166; }
.day-card.unplayed { opacity: 0.55; }
.day-card.before, .day-card.before:disabled {
  opacity: 0.4;
  color: #2a3563;
  border: 2px solid rgba(42, 53, 99, 0.6);
  background: repeating-linear-gradient(135deg, #070b1c 0 6px, #0a1024 6px 12px);
  box-shadow: none;
  cursor: default;
}
.day-card.before .dc-name, .day-card.before .dc-foot { color: #2a3563; }

/* Today glows in Slump's sea, with pixel corners, where Skuggabaldur uses its aurora. */
.day-card.today { border-color: #2fe6c8; box-shadow: 0 0 14px rgba(47, 230, 200, 0.35), inset 0 0 12px rgba(47, 230, 200, 0.12); }
.day-card.today .dc-num, .day-card.today .dc-foot { color: #2fe6c8; }
.day-card.today::after {
  content: "";
  position: absolute;
  inset: 3px;
  pointer-events: none;
  background:
    linear-gradient(#2fe6c8, #2fe6c8) left top / 8px 2px no-repeat, linear-gradient(#2fe6c8, #2fe6c8) left top / 2px 8px no-repeat,
    linear-gradient(#2fe6c8, #2fe6c8) right top / 8px 2px no-repeat, linear-gradient(#2fe6c8, #2fe6c8) right top / 2px 8px no-repeat,
    linear-gradient(#2fe6c8, #2fe6c8) left bottom / 8px 2px no-repeat, linear-gradient(#2fe6c8, #2fe6c8) left bottom / 2px 8px no-repeat,
    linear-gradient(#2fe6c8, #2fe6c8) right bottom / 8px 2px no-repeat, linear-gradient(#2fe6c8, #2fe6c8) right bottom / 2px 8px no-repeat;
}

.day-card.current:not(.today) { outline: 2px dashed #4de3ff; outline-offset: 2px; }
.day-card[aria-current="date"] { cursor: default; }

/* ---------- Dialogs ---------- */

.px-dialog {
  width: min(540px, calc(100vw - 32px));
  max-height: calc(100vh - 60px);
  padding: 20px;
  color: var(--ink);
  background: var(--dialog);
  border: 3px solid var(--line);
  box-shadow: 0 0 0 3px var(--ring), 8px 8px 0 0 var(--hard-shadow);
}

.px-dialog::backdrop { background: rgba(4, 6, 13, 0.78); }
.px-dialog h2 { font-size: 1.25rem; color: var(--gold); }
.px-dialog p { margin: 0 0 12px; }
.px-dialog form, .px-dialog .actions { display: flex; justify-content: flex-end; gap: 14px; margin: 20px 0 0; }
.px-dialog .actions form { margin: 0; }
.px-dialog .day-title { font-size: 1.6rem; line-height: 1.1; letter-spacing: normal; text-transform: none; } /* as in Skuggabaldur */

.legend { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.legend li { display: flex; align-items: center; gap: 10px; }
.legend .chip { min-width: 8.5rem; text-align: center; }

#confetti { position: fixed; inset: 0; pointer-events: none; z-index: 20; }

/* Today's leaderboard on the end screen, as Skoffín's: rem, so the small header and the rows share their columns */
.board-box { margin-top: 22px; text-align: left; }
.board-head, .board-row { display: grid; grid-template-columns: 2rem minmax(0, 1fr) 4.4rem; align-items: baseline; gap: 8px; }
.board-head { margin: 0 0 6px; padding: 0 13px; font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.board-head span:nth-child(3), .board-row span:nth-child(3) { text-align: right; }
.board { list-style: none; margin: 0 0 12px; padding: 0; display: grid; gap: 6px; }
.board-row { padding: 4px 10px; background: var(--row); border: 3px solid var(--line); }
.board-row.is-you { border-color: var(--sea); box-shadow: 0 0 14px color-mix(in srgb, var(--sea) calc(35% * var(--glow)), transparent); }
.board-gap { text-align: center; color: var(--muted); line-height: 0.8; }
.b-place { color: var(--muted); }
.b-name { overflow-wrap: anywhere; }
.b-score { font-size: 1.3rem; color: var(--gold); }
.name-form { display: flex; flex-wrap: wrap; gap: 10px; margin: 6px 0 0; }
.name-form label { flex-basis: 100%; color: var(--muted); }
.name-input {
  flex: 1;
  min-width: 0;
  height: 46px;
  font: inherit;
  font-size: 1.35rem;
  color: var(--ink);
  background: var(--field);
  border: 3px solid var(--line);
  border-radius: 0;
  padding: 4px 10px;
  outline: none;
}
.name-input:focus { border-color: var(--aurora-2); }
.name-form p { flex-basis: 100%; margin: 0; }

/* A question idea, at the bottom of the end screen */
.idea-form { display: grid; gap: 6px; margin-top: 8px; text-align: left; }
.idea-form h3 { margin-top: 26px; text-align: center; }
.idea-form p { margin: 0 0 6px; }
.idea-form label { margin-top: 6px; color: var(--muted); }
.idea-input {
  width: 100%;
  font: inherit;
  font-size: 1.2rem;
  color: var(--ink);
  background: var(--field);
  border: 3px solid var(--line);
  border-radius: 0;
  padding: 6px 10px;
  outline: none;
  resize: vertical;
}
.idea-input:focus { border-color: var(--aurora-2); }
.idea-form .px-btn { justify-self: start; margin-top: 8px; }

/* The invitation to the sister games, with their creatures. */
.sister-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.sister { display: flex; align-items: center; gap: 16px; padding: 12px; background: var(--row); border: 3px solid var(--line); }
.sister h3 { margin: 0 0 4px; color: var(--ink); letter-spacing: 0.12em; }
.sister p { margin: 0 0 10px; font-size: 1rem; }
.sister .px-btn { padding: 6px 12px; font-size: 1rem; }
.sister-sprite { flex: none; width: 72px; height: auto; image-rendering: pixelated; animation: bob-sprite 1.6s steps(2) infinite; }
@keyframes bob-sprite { 50% { transform: translateY(-4px); } }


/* Narrow: on a phone, or squeezed between the screen's nets. Tighter spacing so labels stay on one line. */
@container (max-width: 448px) {
  .tagline { letter-spacing: 0.25em; }
  .meta { gap: 8px; }
  .meta-icon { width: 12px; height: 12px; }
  .day-grid { gap: 6px; padding: 6px; }
  .dc-foot { font-size: 0.75rem; letter-spacing: 0; }
  .toolbar { gap: 8px; }
  .meta { padding: 5px 8px 3px 10px; }
  .meta b { font-size: 1.35rem; }
  .meta-date { font-size: 0.7rem; letter-spacing: 0.08em; }
  .tools { gap: 6px; }
  .icon-btn { width: 38px; height: 38px; }
  .px-box { padding: 14px 12px; }
  .guess-form { grid-template-columns: minmax(0, 1fr); grid-template-areas: "field" "preview" "cast"; }
  .guess-form #btn-cast { margin-top: 14px; }
  .pips { gap: 6px; }
  .pip { padding: 3px 7px 1px; }
  .pip-score { font-size: 1.15rem; }
  .axis { margin-inline: 22px; }
  .tick { font-size: 0.7rem; }
}

/* Squeezed nearly shut: only what must show. */
@container (max-width: 330px) {
  .pip { justify-content: center; }
  .pip-no { display: none; }
  .tick:not(.is-answer) { color: transparent; } /* no room for more than the answer's label */
  .pair { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 480px) {
  .px-dialog { padding: 16px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}