/* coinflip.css — 1v1 Coinflip.
 *
 * The board reuses the duel lobby wholesale (duel.css: .duel, .duel__table, .duel__row, .duelnew)
 * so the two PvP modes read as one family; this sheet adds only what a coin needs — the side
 * chips, the five-column row, the recent strip and the coin itself. Tokens only, no new colours
 * beyond the two coin metals, which take their tones from the gold and iron ingot art.
 */

/* ── the row: player, side, stake, winner takes, action ── */
.cf__row {
  grid-template-columns: minmax(0, 2.2fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.2fr) auto;
}

/* ── a side, as a chip ── */
.cfside {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px 3px 4px;
  border-radius: 999px;
  border: 1px solid var(--ob-line);
  background: rgba(18, 18, 22, 0.7);
  font-size: 0.75rem;
}
.cfside img {
  width: 18px;
  height: 18px;
  image-rendering: pixelated;
}
.cfside b {
  font-weight: 700;
}
.cfside[data-side='heads'] {
  border-color: rgba(255, 215, 0, 0.35);
  color: var(--gold-bright);
}
.cfside[data-side='tails'] {
  border-color: rgba(200, 205, 215, 0.35);
  color: #d6d9e0;
}

/* ── picking a side in the create dialog ── */
.cf__pick {
  flex-direction: row;
  justify-content: center;
  gap: 8px;
}
.cf__pick img {
  width: 22px;
  height: 22px;
  image-rendering: pixelated;
}

/* ── recent flips ── */
.cf__recenth {
  margin-top: var(--ob-gap);
}
.cf__recent {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}
.cf__flip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  flex: none;
  width: 104px;
  padding: 10px 8px;
  border-radius: var(--r-soft);
  border: 1px solid var(--ob-line);
  background: rgba(10, 10, 12, 0.6);
  color: var(--text);
  font: inherit;
  cursor: pointer;
  transition:
    border-color 0.15s var(--ob-ease),
    background 0.15s var(--ob-ease);
}
.cf__flip:hover {
  border-color: var(--ob-line-hi);
  background: rgba(22, 22, 27, 0.7);
}
.cf__flip img {
  width: 26px;
  height: 26px;
  image-rendering: pixelated;
}
.cf__flip b {
  font-size: 0.8125rem;
  color: var(--gold-bright);
}
.cf__flip i {
  font-style: normal;
  font-size: 0.625rem;
  color: var(--faint);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cf__flip[data-side='tails'] b {
  color: #d6d9e0;
}

/* ═════════════════════════ the flip ═════════════════════════ */

.cfstage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ob-gap);
  min-width: 0;
}
.cfstage__players {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--ob-gap);
  width: 100%;
}
.cfstage__player {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  min-width: 0;
  border-radius: var(--r-soft);
  border: 1px solid var(--ob-line);
  background: rgba(18, 18, 22, 0.7);
  transition:
    border-color 0.3s var(--ob-ease),
    box-shadow 0.3s var(--ob-ease),
    opacity 0.3s var(--ob-ease);
}
.cfstage__player[data-result='won'] {
  border-color: var(--gold-bright);
  box-shadow: 0 0 24px -6px rgba(255, 170, 0, 0.55);
}
.cfstage__player[data-result='lost'] {
  opacity: 0.5;
}
.cfstage__player b {
  font-size: 0.875rem;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* The coin: two faces back to back, spun about the Y axis. The spin's length lands it on the
   result (see coinflip.js), so the animation only has to end where it is told to. */
.cfcoin {
  width: 132px;
  height: 132px;
  perspective: 700px;
  margin: 6px 0;
}
.cfcoin__body {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
}
.cfcoin[data-spin='1'] .cfcoin__body {
  animation: cf-spin 2.2s cubic-bezier(0.18, 0.72, 0.2, 1) forwards;
}
@keyframes cf-spin {
  0% {
    transform: translateY(0) rotateY(0deg);
  }
  35% {
    transform: translateY(-28px) rotateY(calc(var(--cf-turns) * 0.55));
  }
  100% {
    transform: translateY(0) rotateY(var(--cf-turns));
  }
}
.cfcoin__face {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.cfcoin__face img {
  width: 52%;
  height: 52%;
  image-rendering: pixelated;
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.45));
}
.cfcoin__face--heads {
  background: radial-gradient(circle at 35% 30%, #fff2a8, #ffd700 38%, #c98a00 100%);
  box-shadow:
    inset 0 0 0 6px rgba(150, 95, 0, 0.55),
    0 10px 30px -8px rgba(255, 170, 0, 0.6);
}
.cfcoin__face--tails {
  transform: rotateY(180deg);
  background: radial-gradient(circle at 35% 30%, #ffffff, #c9ced8 40%, #7c828f 100%);
  box-shadow:
    inset 0 0 0 6px rgba(70, 76, 88, 0.55),
    0 10px 30px -8px rgba(200, 205, 215, 0.45);
}

.cfstage__verdict {
  font-size: 1rem;
  font-weight: 800;
  text-align: center;
  color: var(--muted);
  min-height: 1.5em;
}
.cfstage__verdict[data-state='won'] {
  color: var(--gold-bright);
}
.cfstage__verdict[data-state='lost'] {
  color: var(--red);
}
.cfstage__verdict[data-state='neutral'] {
  color: var(--text);
}

/* ── the proof ── */
.cfproof {
  width: 100%;
  border-radius: var(--r-soft);
  border: 1px solid var(--ob-line);
  background: rgba(10, 10, 12, 0.6);
  padding: 8px 12px;
  font-size: 0.75rem;
}
.cfproof summary {
  cursor: pointer;
  color: var(--muted);
}
.cfproof__formula {
  display: block;
  margin: 8px 0;
  color: var(--faint);
  font-size: 0.6875rem;
  overflow-wrap: anywhere;
}
.cfproof__list {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 10px;
  margin: 0;
}
.cfproof__list dt {
  color: var(--faint);
}
.cfproof__list dd {
  min-width: 0;
  margin: 0;
  /* A 64-character seed has no break opportunities, and the shared .mono rule keeps text on one
     line; without this the proof widens the whole dialog into a sideways scroll. */
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-all;
  color: var(--text);
}

@media (max-width: 760px) {
  .cf__row {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas: 'who who' 'stake take' 'mode mode' 'go go';
  }
}

@media (prefers-reduced-motion: reduce) {
  .cfcoin[data-spin='1'] .cfcoin__body {
    animation: none;
  }
  .cf__flip {
    transition: none;
  }
}