*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{color:#1f2937;background:#f0f2f5;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif}#root{min-height:100vh}.login-page{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:#fff;border-radius:12px;width:400px;padding:48px 40px;box-shadow:0 20px 60px #00000026}.login-card h1{text-align:center;color:#667eea;margin-bottom:8px;font-size:28px}.subtitle{text-align:center;color:#9ca3af;margin-bottom:32px;font-size:14px}.form-group{margin-bottom:16px}.form-group label{color:#4b5563;margin-bottom:6px;font-size:13px;font-weight:600;display:block}.form-group input,.form-group select{border:1px solid #d1d5db;border-radius:8px;outline:none;width:100%;padding:10px 12px;font-size:14px;transition:border-color .2s}.form-group input:focus,.form-group 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