/* filldisk.com — recreation
   Faithful to the original's cheerful, retro look (Arvo serif, white → red
   background as it "fills"), with a bit of modern polish. */

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: 'Arvo', Georgia, 'Times New Roman', serif;
  background: #ffffff;               /* JS reddens this as the disk "fills" */
  color: #1a1a1a;
  text-align: center;
  line-height: 1.5;
  padding: 24px 16px 96px;
  transition: background-color 0.2s linear;
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: 720px;
  margin: 0 auto;
}

h1 {
  font-size: clamp(2rem, 6vw, 3.4rem);
  font-weight: 700;
  margin: 8px 0 4px;
  letter-spacing: -0.5px;
}

h2 {
  font-size: clamp(1.1rem, 3.2vw, 1.6rem);
  font-weight: 700;
  color: #b1002e;
  margin: 0 0 18px;
}

.lede {
  font-size: 1.1rem;
  font-style: italic;
  color: #444;
  margin: 0 0 20px;
}

h3 {
  font-size: clamp(1.3rem, 4vw, 1.9rem);
  font-weight: 400;
  margin: 8px 0 14px;
}

h3 strong { font-weight: 700; }

.mb {
  font-variant-numeric: tabular-nums;
  color: #b1002e;
}

/* Progress meter -------------------------------------------------------- */
.meter {
  height: 22px;
  width: 100%;
  max-width: 460px;
  margin: 0 auto 22px;
  background: rgba(0, 0, 0, 0.08);
  border: 2px solid rgba(0, 0, 0, 0.35);
  border-radius: 999px;
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  width: 0%;
  background: repeating-linear-gradient(
    45deg,
    #ff3b6b, #ff3b6b 12px,
    #ff6a8f 12px, #ff6a8f 24px
  );
  transition: width 0.15s linear;
}

/* Cats ------------------------------------------------------------------ */
.cat-stage {
  margin: 6px 0 14px;
  min-height: 96px;
}

.cat {
  font-size: 84px;
  line-height: 1;
  display: inline-block;
  animation: catPop 0.35s ease;
}

.cat.bounce { animation: catPop 0.25s ease; }

@keyframes catPop {
  0%   { transform: scale(0.4) rotate(-12deg); opacity: 0; }
  60%  { transform: scale(1.15) rotate(4deg); }
  100% { transform: scale(1) rotate(0); opacity: 1; }
}

.cat-wall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2px;
  max-width: 640px;
  margin: 0 auto 22px;
  min-height: 0;
}

.cat-wall span {
  font-size: 20px;
  line-height: 1;
  animation: dropIn 0.3s ease backwards;
}

@keyframes dropIn {
  from { transform: translateY(-8px) scale(0.6); opacity: 0; }
  to   { transform: none; opacity: 1; }
}

/* Controls -------------------------------------------------------------- */
.controls {
  margin: 8px 0 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
  justify-content: center;
}

button {
  font-family: inherit;
  font-size: 18px;
  font-weight: 700;
  padding: 12px 22px;
  border-radius: 10px;
  border: 2px solid #1a1a1a;
  background: #ffd500;
  color: #1a1a1a;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.2s ease, background 0.2s ease, opacity 0.2s ease;
  box-shadow: 0 3px 0 #1a1a1a;
}

button:hover:not(:disabled) { transform: translateY(-1px); }
button:active:not(:disabled) { transform: translateY(2px); box-shadow: 0 1px 0 #1a1a1a; }

button:disabled { opacity: 0.45; cursor: not-allowed; box-shadow: 0 3px 0 rgba(0,0,0,0.4); }

.fill { background: #ffd500; }
.reclaim { background: #ff3b6b; color: #fff; border-color: #7a0020; box-shadow: 0 3px 0 #7a0020; }

.hint { font-size: 0.9rem; color: #555; font-style: italic; }

/* Text blocks ----------------------------------------------------------- */
.status {
  font-size: 1rem;
  min-height: 1.5em;
  margin: 4px auto 24px;
  max-width: 600px;
  font-weight: 700;
}

.note, .links, .src {
  font-size: 0.92rem;
  color: #333;
  max-width: 620px;
  margin: 10px auto;
}

.note code {
  background: rgba(0, 0, 0, 0.07);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.85em;
}

a { color: #b1002e; text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: #7a0020; }

/* "Fork me on GitHub" ribbon ------------------------------------------- */
.fork-ribbon {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 20;
  background: #aa0000;
  color: #fff;
  font-family: 'Arvo', serif;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  padding: 6px 42px;
  transform: rotate(45deg) translate(28px, -8px);
  transform-origin: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  border-top: 1px dashed rgba(255, 255, 255, 0.6);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.6);
}
.fork-ribbon:hover { background: #c40000; color: #fff; }

/* Music toggle ---------------------------------------------------------- */
.music {
  position: fixed;
  left: 16px;
  bottom: 16px;
  z-index: 20;
  font-size: 14px;
  padding: 8px 14px;
  background: #1a1a1a;
  color: #ffd500;
  border-color: #ffd500;
  box-shadow: 0 3px 0 #7a5c00;
}
.music[aria-pressed="true"] { background: #b1002e; color: #fff; border-color: #fff; }

@media (max-width: 480px) {
  .fork-ribbon { font-size: 11px; padding: 5px 34px; }
  .cat { font-size: 64px; }
}

@media (prefers-reduced-motion: reduce) {
  .cat, .cat-wall span { animation: none; }
  body, .meter-fill { transition: none; }
}