.occ-root {
	--occ-dark: #7a4b2a;
	--occ-light: #f0d9b5;
	--occ-red: #d6382d;
	--occ-black: #2b2b2e;
	--occ-accent: #b8561f;
	box-sizing: border-box;
	max-width: 560px;
	margin: 1.5em auto;
	padding: 18px;
	border-radius: 16px;
	background: #fffaf2;
	color: #2b2118;
	font-family: inherit;
	line-height: 1.4;
	box-shadow: 0 6px 22px rgba(0, 0, 0, .14);
}
.occ-root *, .occ-root *::before, .occ-root *::after { box-sizing: border-box; }

.occ-title { margin: 0 0 4px; font-size: 1.5em; color: #2b2118; }
.occ-h4 { margin: 18px 0 8px; font-size: 1em; color: #2b2118; }
.occ-sub, .occ-hint, .occ-empty { margin: 0 0 12px; color: #6b5a4a; font-size: .95em; }
.occ-label { display: block; font-weight: 600; margin-bottom: 12px; }
.occ-input {
	display: block; width: 100%; margin-top: 4px; padding: 10px 12px;
	border: 2px solid #d9c4a6; border-radius: 10px; background: #fff;
	font-size: 1em; color: #2b2118;
}
.occ-input:focus { outline: none; border-color: var(--occ-accent); }

.occ-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.occ-btn {
	appearance: none; cursor: pointer; padding: 10px 16px;
	border: 2px solid var(--occ-accent); border-radius: 10px;
	background: #fff; color: var(--occ-accent);
	font-size: 1em; font-weight: 600; line-height: 1.2;
	transition: transform .08s ease, background .15s ease;
}
.occ-btn:hover { background: #fdeede; }
.occ-btn:active { transform: translateY(1px); }
.occ-primary { background: var(--occ-accent); color: #fff; }
.occ-primary:hover { background: #9d4817; }
.occ-small { padding: 6px 12px; font-size: .9em; }

.occ-msg { margin: 6px 0; min-height: 1.2em; color: #b3261e; font-size: .95em; }

.occ-list { display: flex; flex-direction: column; gap: 6px; }
.occ-item {
	display: flex; align-items: center; justify-content: space-between; gap: 10px;
	padding: 8px 12px; border-radius: 10px; background: #fff; border: 1px solid #ecdcc3;
}
.occ-item-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.occ-bar {
	display: flex; align-items: center; gap: 10px;
	padding: 8px 12px; margin: 6px 0; border-radius: 10px;
	background: #fff; border: 2px solid transparent;
}
.occ-bar.occ-turn { border-color: var(--occ-accent); background: #fff3e4; }
.occ-name { flex: 1; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.occ-count { color: #6b5a4a; font-size: .85em; }
.occ-disc { width: 18px; height: 18px; border-radius: 50%; flex: none; box-shadow: inset 0 -2px 3px rgba(0, 0, 0, .35); }
.occ-disc.occ-r { background: var(--occ-red); }
.occ-disc.occ-b { background: var(--occ-black); }

.occ-board {
	display: grid; grid-template-columns: repeat(8, 1fr);
	width: 100%; aspect-ratio: 1 / 1; margin: 8px 0;
	border: 6px solid #4a2c17; border-radius: 8px; overflow: hidden;
	user-select: none; -webkit-user-select: none;
}
.occ-sq { position: relative; display: flex; align-items: center; justify-content: center; }
.occ-sq.l { background: var(--occ-light); }
.occ-sq.d { background: var(--occ-dark); cursor: default; }
.occ-myturn .occ-sq.d { cursor: pointer; }
.occ-sq.occ-last { box-shadow: inset 0 0 0 3px rgba(255, 221, 87, .7); }
.occ-sq.occ-sel { background: #a8692f; box-shadow: inset 0 0 0 3px #ffd43b; }
.occ-sq.occ-dest::after {
	content: ''; position: absolute; width: 28%; height: 28%;
	border-radius: 50%; background: rgba(255, 221, 87, .85);
	box-shadow: 0 0 0 3px rgba(255, 255, 255, .25);
}

.occ-piece {
	width: 78%; height: 78%; border-radius: 50%;
	display: flex; align-items: center; justify-content: center;
	font-size: clamp(14px, 5vw, 28px); color: #ffd43b; line-height: 1;
	box-shadow: 0 3px 5px rgba(0, 0, 0, .5), inset 0 -4px 6px rgba(0, 0, 0, .3), inset 0 3px 4px rgba(255, 255, 255, .25);
}
.occ-piece.occ-r { background: radial-gradient(circle at 35% 30%, #f06a5f, var(--occ-red) 60%, #96201a); }
.occ-piece.occ-b { background: radial-gradient(circle at 35% 30%, #5a5a60, var(--occ-black) 60%, #111); }
.occ-piece.occ-can { outline: 3px solid rgba(255, 221, 87, .8); outline-offset: 1px; }
.occ-piece.occ-king { border: 3px double rgba(255, 215, 80, .85); }

.occ-status { margin: 8px 0; font-weight: 700; font-size: 1.05em; }
.occ-status.occ-over { color: var(--occ-accent); font-size: 1.15em; }
.occ-invite { margin: 8px 0; }
.occ-invite .occ-input { margin-bottom: 8px; font-size: .9em; }

@media (max-width: 420px) {
	.occ-root { padding: 12px; border-radius: 12px; }
	.occ-board { border-width: 4px; }
}