:root{--bg: #f7f7f5;--surface: #ffffff;--surface-sunken: #f2f2ef;--line: #e3e3df;--line-strong: #d2d2cc;--text: #1c1f1d;--text-muted: #6a706c;--text-faint: #69706c;--accent: #3f6f52;--on-accent: #ffffff;--accent-soft: #eaf2ec;--accent-line: #bfd7c8;--warn: #8a6535;--warn-soft: #fbf4e9;--warn-line: #e6d3b3;--board-last: rgba(212, 190, 90, .5);--hint-color: rgba(24, 36, 26, .26);--hint-move: radial-gradient(circle, var(--hint-color) 0 17%, transparent 18%);--hint-capture: radial-gradient(circle, transparent 0 76%, var(--hint-color) 77% 88%, transparent 89%);--check: radial-gradient( circle, rgba(214, 60, 48, .85) 0 22%, rgba(214, 60, 48, .5) 42%, rgba(214, 60, 48, 0) 72% );--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 2px rgba(20, 25, 22, .05), 0 4px 16px rgba(20, 25, 22, .04);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Apple SD Gothic Neo,Malgun Gothic,Noto Sans 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