.app{--bg: #f1f3f9;--card: #ffffff;--text: #1f2333;--muted: #6b7189;--border: #e3e6ef;--accent: #5b5bd6;--accent-soft: #ececfc;--danger: #d64545;--low: #2f9e6e;--medium: #c98a12;--high: #d64545;--shadow: 0 10px 30px rgba(31, 35, 51, .08);--row-hover: #f7f8fc;--lift: 0 6px 18px rgba(31, 35, 51, .1)}.app[data-theme=dark]{--bg: #12141c;--card: #1c1f2b;--text: #e8eaf2;--muted: #9095ad;--border: #2c3040;--accent: #8b8bf5;--accent-soft: #2a2b4a;--shadow: 0 10px 30px rgba(0, 0, 0, .4);--row-hover: #232736;--lift: 0 6px 18px rgba(0, 0, 0, .45)}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.app{min-height:100vh;background:var(--bg);color:var(--text);padding:48px 16px;transition:background .2s,color .2s}.card{max-width:600px;margin:0 auto;background:var(--card);border:1px solid 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