:root{--primary:#4f46e5;--primary-light:#818cf8;--bg:#f8fafc;--card-bg:#fff;--border:#e2e8f0;--text:#334155;--text-light:#64748b;--text-heading:#0f172a;--danger:#ef4444;--warning:#f59e0b;--success:#22c55e;--info:#06b6d4;color:var(--text);background:var(--bg);font-family:Segoe UI,system-ui,-apple-system,sans-serif;font-size:14px;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}body{margin:0}#root{width:100%;max-width:100%;min-height:100vh}.app{flex-direction:column;min-height:100vh;display:flex}.app-header{color:#fff;z-index:100;background:linear-gradient(135deg,#4f46e5,#7c3aed);padding:16px 24px;position:sticky;top:0;box-shadow:0 2px 8px #00000026}.header-content{justify-content:space-between;align-items:center;max-width:1400px;margin:0 auto;display:flex}.header-content h1{color:#fff;margin:0;font-size:20px;font-weight:600}.header-right{align-items:center;gap:12px;display:flex}.version{opacity:.8;white-space:nowrap;background:#ffffff26;border-radius:12px;padding:4px 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