:root{color-scheme:light;--bg: #f3f5f7;--surface: #ffffff;--surface-soft: #f8fafc;--surface-muted: #eef2f6;--line: #d8e0e8;--line-strong: #c6d0dc;--text: #111827;--muted: #64748b;--subtle: #94a3b8;--blue: #2563eb;--blue-soft: #e8f0ff;--green: #15803d;--green-soft: #e9f8ef;--amber: #b45309;--amber-soft: #fff4df;--red: #b91c1c;--red-soft: #fee2e2;--shadow: 0 18px 45px rgba(15, 23, 42, .08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:linear-gradient(180deg,#ffffffd1,#fff0 260px),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,textarea,select{font:inherit}button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;border:0;border-radius:8px;background:var(--blue);color:#fff;cursor:pointer;font-weight:750;padding:0 14px;transition:transform .15s ease,box-shadow .15s ease,background .15s 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