:root{--font-display: "Noto Serif TC", "Songti TC", "PMingLiU", serif;--font-body: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;--paper: #f3efe6;--paper-elevated: #faf7f0;--paper-deep: #e7e0d2;--ink: #1c1915;--ink-soft: #4a453c;--ink-faint: #7a7368;--line: color-mix(in srgb, var(--ink) 14%, transparent);--line-strong: color-mix(in srgb, var(--ink) 28%, transparent);--accent: #0f6e6a;--accent-soft: color-mix(in srgb, var(--accent) 14%, var(--paper));--accent-ink: #083f3d;--danger: #8b3a2f;--shadow: 0 12px 40px color-mix(in srgb, var(--ink) 8%, transparent);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--radius: .35rem;--ease: cubic-bezier(.25, 1, .5, 1);color:var(--ink);background:var(--paper);font-family:var(--font-body);font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{min-height:100vh;background:linear-gradient(180deg,color-mix(in srgb,var(--paper-deep) 55%,white) 0%,transparent 28%),repeating-linear-gradient(0deg,transparent,transparent 27px,color-mix(in srgb,var(--ink) 4%,transparent) 28px),var(--paper);color:var(--ink)}button,textarea,input,select{font:inherit;color:inherit}button{cursor:pointer}#app{min-height:100vh}.shell{width:min(42rem,calc(100% - 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