:root{--bg: #f5f7fa;--surface: #ffffff;--surface2: #eef2ff;--border: #e8ecf1;--text: #1a1a2e;--text2: #64748b;--accent: #4f6ef7;--accent2: #6c8cff;--accent-gradient: linear-gradient(135deg, #4f6ef7 0%, #6c8cff 100%);--success: #16a34a;--warning: #d97706;--danger: #dc2626;--danger-hover: #b91c1c;--danger-soft: #fef2f2;--danger-border: #fecaca;--radius: 12px;--shadow-sm: 0 2px 8px rgba(79, 110, 247, .08);--shadow-md: 0 4px 16px rgba(79, 110, 247, .12)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;border:none;background:var(--accent);color:#fff;padding:8px 16px;border-radius:8px;font-weight:500;transition:background .15s,box-shadow 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