/* Take Turns theme. Full direction: THEME.md
   Modern type everywhere. Warez color only on cards, borders, headers, and dividers. */

:root {
  /* Palette named by role. Greens are the turtle accent; ambers are the warm step. */
  --green-deep: #1b5e20;
  --green: #2e7d32;
  --green-bright: #81c784;
  --amber: #e8941a;
  --amber-mid: #b26a00;
  --amber-deep: #7a4a00;
  --gray: #aaaaaa;
  --red: #ff5555;
  --white: #ffffff;
  --bg: #050510;
  --ink: #d8d8e4;
  --ink-bright: #ffffff;
  --muted: #8a8a9a;
  --tile-correct: var(--green);
  --tile-correct-ink: #ffffff;
  --tile-present: var(--amber);
  --tile-present-ink: #1a1000;
  --tile-absent: #3e4c5c;
  --key: #63637a;
  --key-ink: #ffffff;
  --key-miss: #262d37;
  --key-miss-ink: #94a0ad;
  /* Halftone dot for card fills. At 1x a sub-pixel dot vanishes, so the
     media query below draws it a full pixel wide there. */
  --dot: 0.45px;
  --dot-edge: 0.6px;
  --font-body: system-ui, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-tile: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color-scheme: dark;
}

@media (max-resolution: 1.5dppx) {
  :root {
    --dot: 0.55px;
    --dot-edge: 1.05px;
  }
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid #81c784;
  outline-offset: 2px;
}

h1,
h2,
.pixel {
  font-family: var(--font-body);
  font-weight: 750;
  color: var(--ink-bright);
  letter-spacing: -0.02em;
}

.frame,
.game-btn {
  position: relative;
  border: 0;
  border-radius: 16px;
  background-color: #0a0a18;
  background-image:
    radial-gradient(circle, rgba(46, 125, 50, 0.28) var(--dot), transparent var(--dot-edge)),
    radial-gradient(ellipse at 50% -10%, rgba(46, 125, 50, 0.12), transparent 42%),
    radial-gradient(ellipse at 50% 120%, rgba(0, 0, 50, 0.72), transparent 58%);
  background-size: 4px 4px, 100% 100%, 100% 100%;
  box-shadow: 5px 5px 0 #7a4a00;
}

.frame::before,
.game-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 3px;
  /* A lit block: one brightness ramp with hard stops, white at the top-left
     corner stepping down to near-black at the bottom-right, masked to the
     rounded padding box. The arcade Battordle card uses the same ring. */
  background: linear-gradient(
    135deg,
    #ffffff 0 8%,
    #c8e6c9 8% 20%,
    #81c784 20% 38%,
    #2e7d32 38% 58%,
    #1b5e20 58% 78%,
    #0d3b12 78% 100%
  );
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
}

.frame::after,
.game-btn::after {
  content: "";
  position: absolute;
  top: 10px;
  left: 0;
  width: 3px;
  height: 26px;
  background: linear-gradient(
    #ffffff 0 16.67%,
    #c8e6c9 16.67% 33.33%,
    #81c784 33.33% 50%,
    #1b5e20 50% 66.67%,
    #e8941a 66.67% 83.33%,
    #7a4a00 83.33% 100%
  );
  pointer-events: none;
}

.taper {
  position: relative;
  height: 14px;
  margin: 0.2rem 0 0.45rem;
  overflow: hidden;
  /* One 3px rule that spans the header: hard color steps on the left, then
     a dotted run that fades out toward the right edge. */
  background: linear-gradient(
      90deg,
      #ffffff 0 4%,
      #e8f5e9 4% 8%,
      #c8e6c9 8% 12%,
      #81c784 12% 16.5%,
      #2e7d32 16.5% 21%,
      #276b2c 21% 25%,
      #1b5e20 25% 29%,
      #0d3b12 29% 32.5%,
      #08250c 32.5% 35.5%,
      #e8941a 35.5% 39.5%,
      #c47a10 39.5% 42.5%,
      #b26a00 42.5% 45.5%,
      #8f5600 45.5% 48.5%,
      #7a4a00 48.5% 51.5%,
      #0d3b12 51.5% 53.5%,
      #08250c 53.5% 55%,
      #b26a00 55% 56.3%,
      #1b5e20 56.3% 57.4%,
      #d48412 57.4% 58.3%,
      #8f5600 58.3% 59%,
      #0a2e0c 59% 59.6%,
      #5c3800 59.6% 60.1%,
      #4a2e00 60.1% 60.5%,
      transparent 60.5%
    )
    0 5px / 100% 3px no-repeat;
}

.taper::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 62%;
  background: radial-gradient(circle, #2e7d32 1.1px, transparent 1.6px) 0 0 / 12px 14px repeat-x;
  -webkit-mask-image: linear-gradient(90deg, #000, rgba(0, 0, 0, 0.55) 55%, transparent 96%);
  mask-image: linear-gradient(90deg, #000, rgba(0, 0, 0, 0.55) 55%, transparent 96%);
  pointer-events: none;
}

.taper::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 22%;
  height: 14px;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.92), transparent);
  mix-blend-mode: screen;
  opacity: 0;
  transform: translate3d(-140%, 0, 0);
  animation: taper-once 0.9s ease-out 0.4s 1, taper-loop 7.2s ease-in-out 4.6s infinite;
  pointer-events: none;
}

.glint-host,
.btn.primary {
  position: relative;
}

.glint {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: inherit;
  pointer-events: none;
}

.glint::before {
  content: "";
  position: absolute;
  top: -40%;
  bottom: -40%;
  left: 0;
  width: 42%;
  background: linear-gradient(
    112deg,
    transparent 0%,
    rgba(255, 255, 255, 0.05) 36%,
    rgba(255, 255, 255, 0.72) 50%,
    rgba(255, 255, 255, 0.05) 64%,
    transparent 100%
  );
  mix-blend-mode: screen;
  opacity: 0;
  transform: translate3d(-150%, 0, 0);
  pointer-events: none;
  animation: glint-once 0.85s ease-out 1, glint-loop 7s ease-in-out 1.1s infinite;
}

.title-block .glint::before {
  animation-delay: 0.15s, 3.3s;
  animation-duration: 0.85s, 7.6s;
}

header.top > h1 .glint::before {
  animation-delay: 0.2s, 3.6s;
  animation-duration: 0.85s, 7.4s;
}

.game-btn .glint::before {
  animation-delay: 0.35s, 2.1s;
  animation-duration: 0.9s, 8s;
}

@keyframes taper-once {
  0% { opacity: 0; transform: translate3d(-160%, 0, 0); }
  18% { opacity: 1; }
  100% { opacity: 0; transform: translate3d(640%, 0, 0); }
}

@keyframes taper-loop {
  0%,
  84% { opacity: 0; transform: translate3d(-160%, 0, 0); }
  90% { opacity: 1; }
  100% { opacity: 0; transform: translate3d(640%, 0, 0); }
}

@keyframes glint-once {
  0% { opacity: 0; transform: translate3d(-150%, 0, 0); }
  18% { opacity: 1; }
  100% { opacity: 0; transform: translate3d(340%, 0, 0); }
}

@keyframes glint-loop {
  0%,
  84% { opacity: 0; transform: translate3d(-150%, 0, 0); }
  90% { opacity: 1; }
  100% { opacity: 0; transform: translate3d(340%, 0, 0); }
}

html.scene-paused .taper::before,
html.scene-paused .glint::before {
  animation-play-state: paused;
}

.legal-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem 0.45rem;
  margin: 0;
  padding: 0.15rem 0 0;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.3;
}

.legal-foot a {
  color: var(--muted);
  text-decoration: none;
}