/* Connect Donut. Colours come from the shared :root variables in style.css. */

.c4 {
  --board: #5b2a7a;
  --board-edge: #3d1a55;
  --hole: #140b1c;
}

.c4-players {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  max-width: 640px;
  margin: 0 auto;
}

.c4-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: 999px;
  padding: 4px 14px 4px 4px;
  font-weight: 600;
  transition: border-color 0.2s;
}

.c4-tag img {
  width: 32px;
  height: 32px;
  image-rendering: pixelated;
}

.c4-tag.active {
  border-color: var(--pink);
}

.c4-status {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 16px 0 12px;
  min-height: 2.1rem;
}

.c4-board {
  --cell: min(
    72px,
    calc((100vw - 56px) / var(--cols)),
    calc((100dvh - 280px) / var(--rows))
  );
  display: grid;
  grid-template-columns: repeat(var(--cols), var(--cell));
  justify-content: center;
  width: fit-content;
  margin: 0 auto;
  padding: 8px;
  background: var(--board);
  border-radius: 14px;
  border-bottom: 8px solid var(--board-edge);
  box-shadow: 0 16px 40px rgb(0 0 0 / 0.4);
}

.c4-col {
  display: flex;
  flex-direction: column-reverse;
  padding: 0;
  margin: 0;
  border: 0;
  border-radius: 10px;
  background: transparent;
  cursor: default;
  font: inherit;
}

.c4-col:focus-visible {
  outline: 3px solid var(--pink);
  outline-offset: 2px;
}

.c4-board.my-turn .c4-col:not(:disabled) {
  cursor: pointer;
}

.c4-board.my-turn .c4-col:not(:disabled):hover,
.c4-board.my-turn .c4-col:not(:disabled):focus-visible {
  background: rgb(255 255 255 / 0.1);
}

.c4-cell {
  position: relative;
  width: var(--cell);
  height: var(--cell);
  display: grid;
  place-items: center;
}

.c4-cell::before {
  content: "";
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  background: var(--hole);
  box-shadow: inset 0 3px 6px rgb(0 0 0 / 0.6);
}

.c4-cell img {
  position: relative;
  z-index: 1; /* stay above the holes it falls past */
  width: 92%;
  height: 92%;
  image-rendering: pixelated;
}

.c4-cell img.drop {
  animation: c4-drop 0.35s cubic-bezier(0.5, 0, 0.9, 0.6);
}

@keyframes c4-drop {
  from {
    transform: translateY(calc(var(--fall) * -100%));
  }
}

/* ghost donut where your piece would land */
.c4-board.my-turn .c4-col:not(:disabled):hover .c4-cell.next::after,
.c4-board.my-turn .c4-col:not(:disabled):focus-visible .c4-cell.next::after {
  content: "";
  position: relative;
  width: 92%;
  height: 92%;
  background: var(--me) center / contain no-repeat;
  image-rendering: pixelated;
  opacity: 0.35;
}

/* the small board on the create screen */

.c4-preview {
  --cell: min(22px, calc((100vw - 100px) / var(--cols, 7)));
  display: grid;
  grid-template-columns: repeat(var(--cols, 7), var(--cell));
  gap: 3px;
  justify-content: center;
  padding: 10px;
  margin: 8px auto 0;
  width: fit-content;
  background: #5b2a7a;
  border-radius: 10px;
}

.c4-preview i {
  width: var(--cell);
  height: var(--cell);
  border-radius: 50%;
  background: #140b1c;
}