:root{--bg:#f2f3f7;--card:#fff;--sidebar:rgba(250,250,252,.82);--text-primary:#1a1a1a;--text-secondary:#6b7280;--text-tertiary:#767676;--text-placeholder:#6b7280;--hairline:rgba(0,0,0,.08);--border:#e5e7eb;--accent:#0052d9;--accent-hover:#0047bd;--accent-soft:#eaf1ff;--green:#1a8f3c;--red:#d70015;--danger:#d70015;--orange:#c76b00;--warning:#c76b00;--success:#1a8f3c;--yellow:#fc0;--purple:#7048c8;--teal:#5ac8fa;--gray:#8e8e93;--r-card:18px;--r-container:14px;--r-input:12px;--r-pill:980px;--shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.05);--shadow-hover:0 2px 6px rgba(0,0,0,.06),0 12px 32px rgba(0,0,0,.08);--sidebar-w:232px;--header-h:60px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,Helvetica Neue,PingFang SC,Microsoft 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