*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Apple SD Gothic Neo,sans-serif;background:#f4f6f9;color:#1f2937}.container{max-width:1100px;margin:0 auto;padding:16px}.card{background:#fff;border-radius:10px;padding:16px;box-shadow:0 1px 3px #00000014;margin-bottom:16px}.header{display:flex;justify-content:space-between;align-items:center}.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}input,select{padding:8px 10px;border:1px solid #cbd5e1;border-radius:6px;font-size:14px}button{padding:8px 14px;border:0;border-radius:6px;background:#2563eb;color:#fff;font-size:14px;cursor:pointer}button.secondary{background:#64748b}button:disabled{opacity:.5;cursor:default}.error{color:#dc2626;font-size:14px;margin:8px 0}.login-box{max-width:360px;margin:80px auto}.login-box input{width:100%;margin-bottom:10px}.tabs{display:flex;gap:12px;margin-bottom:12px}.tabs a{cursor:pointer;padding-bottom:4px;color:#64748b}.tabs a.active{color:#2563eb;border-bottom:2px solid #2563eb}.stats{display:flex;gap:20px;flex-wrap:wrap;font-size:14px;color:#475569;margin-bottom:8px}