.opening-preferences{padding-bottom:20px;margin-bottom:20px;border-bottom:1px solid var(--line)}
.opening-preferences h3{font-size:13px;margin:0 0 16px;color:var(--ink)}
.opening-preferences label{display:flex;justify-content:space-between;align-items:center;gap:15px;font-size:13px;margin-top:14px}
.opening-preferences select{max-width:54%;padding:8px 11px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:6px;font:inherit}
.opening-preferences .opening-rain{display:block}.opening-rain>span{display:flex;justify-content:space-between;align-items:center}
.opening-rain output{font-variant-numeric:tabular-nums;color:var(--scene-accent)}
.opening-rain input{width:100%;margin:12px 0 5px;accent-color:var(--scene-accent)}
.opening-rain small{display:block;color:var(--muted);font-size:11px;line-height:1.7}
[data-game-choice-group=difficulty] button{position:relative;display:flex;align-items:center;justify-content:center;gap:6px;padding:8px 6px;border-bottom:2px solid color-mix(in srgb,var(--scene-accent) calc(18% + var(--tier-index)*11%),var(--line));background:color-mix(in srgb,var(--scene-wash) calc(40% + var(--tier-index)*8%),var(--surface));color:var(--ink)}
[data-game-choice-group=difficulty] button.is-selected{background:color-mix(in srgb,var(--scene-accent) 14%,var(--surface));border-color:var(--scene-accent);color:var(--scene-accent);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--scene-accent) 22%,transparent)}
.match-tier-icon{display:flex;color:var(--scene-accent);opacity:calc(.42 + var(--tier-index)*.1)}
.match-tier-icon svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.option-coloration .is-random .stone-color-sample{width:100%}
.stone-color-sample.color-mixed i:nth-child(1){background:radial-gradient(at 30% 25%,#b3afa4,#77796f)}
.stone-color-sample.color-mixed i:nth-child(2){background:radial-gradient(at 30% 25%,#a99883,#70655a)}
.stone-color-sample.color-mixed i:nth-child(3){background:radial-gradient(at 30% 25%,#b7bcba,#737a7c)}
.stone-color-sample.color-warm i{background:radial-gradient(at 30% 25%,#b7aa98,#857563)}
.stone-color-sample.color-cool i{background:radial-gradient(at 30% 25%,#b4b8b6,#747b7d)}
.stone-color-sample.color-mottled i{background:radial-gradient(at 60% 66%,#756f6444 0 24%,transparent 55%),radial-gradient(at 30% 25%,#b8afa1,#8d8678)}
.stone-color-sample.color-veined i{background:linear-gradient(112deg,transparent 35%,#cac7b744 36% 40%,transparent 43%),radial-gradient(at 30% 25%,#aaa99e,#777970)}
.fl-board[data-craft=shadow]{background:radial-gradient(ellipse at 48% 42%,#fffff5aa,#e9dfc944);box-shadow:0 0 35px #c8bda214}
.fl-board[data-craft=shadow] .folk-paper-board{opacity:.78;box-shadow:inset 0 0 25px #c3b39416}
.fl-board[data-craft=shadow] .game-board-coordinates span{color:#8a826e}
.fl-board[data-craft=shadow] .folk-shadow-piece{filter:drop-shadow(.7px 1px .9px #392b241f)}
@media(max-width:540px){.match-tier-icon svg{width:13px;height:13px}[data-game-choice-group=difficulty] button{gap:3px}}