:root{--bg: #0c0a08;--ink: #f6f1e8;--muted: #b3a48e;--line: rgba(255, 255, 255, .1);--line-soft: rgba(255, 255, 255, .06);--surface: rgba(255, 255, 255, .045);--surface-hi: rgba(255, 255, 255, .08);--gold: #e8c583;--gold-deep: #a9813c;--danger: #ef8b79;--felt-hi: #1d8264;--felt: #0f4c3b;--felt-lo: #06281f;--rail-hi: #a06a45;--rail: #5c3723;--rail-lo: #2a1810;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;--font-display: Optima, "Palatino Linotype", Palatino, Georgia, "Songti SC", STSong, "SimSun", serif;--font-num: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--gutter: 14px;--tap: 44px;--radius-sm: 10px;--radius: 14px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px);--safe-right: env(safe-area-inset-right, 0px);--ease-out: 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