:root{--bg: #f6f7fb;--panel: #ffffff;--text: #111827;--muted: #6b7280;--border: #e5e7eb;--shadow-sm: 0 1px 2px rgba(17, 24, 39, .06);--shadow-md: 0 8px 30px rgba(17, 24, 39, .1);--radius: 16px;--radius-lg: 20px;--primary: #111827;--primaryText: #ffffff;--focus: 0 0 0 4px rgba(17, 24, 39, .12)}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{max-width:1160px;margin:0 auto;padding:18px}.card{background:var(--panel);border:1px solid 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