:root{--ueep-primary:#ef4444;--ueep-primary-dark:#dc2626;--ueep-primary-light:#fee2e2;--ueep-secondary:#3b82f6;--ueep-success:#10b981;--ueep-warning:#f59e0b;--ueep-danger:#ef4444;--ueep-bg:#f8fafc;--ueep-card:#ffffff;--ueep-border:#e5e7eb;--ueep-text:#0f172a;--ueep-text-muted:#64748b;--ueep-shadow:0 1px 3px 0 rgba(0, 0, 0, 0.1);--ueep-shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.1);--ueep-radius:12px}.ueep-wrapper{max-width:1280px;margin:60px auto;padding:0 24px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Inter',sans-serif;color:var(--ueep-text)}.ueep-header{text-align:center;margin-bottom:48px}.ueep-title{font-size:48px;font-weight:800;letter-spacing:-1px;margin:0 0 16px 0;background:linear-gradient(135deg,var(--ueep-primary) 0%,var(--ueep-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:#fff0;background-clip:text}.ueep-subtitle{font-size:18px;color:var(--ueep-text-muted);margin:0;max-width:700px;margin-left:auto;margin-right:auto}.ueep-card{background:var(--ueep-card);border:1px solid var(--ueep-border);border-radius:var(--ueep-radius);padding:32px;box-shadow:var(--ueep-shadow-lg);margin-bottom:32px}.ueep-tabs{display:flex;gap:12px;margin-bottom:28px;border-bottom:2px solid var(--ueep-border)}.ueep-tab{display:flex;align-items:center;gap:8px;padding:12px 20px;font-size:15px;font-weight:600;color:var(--ueep-text-muted);background:#fff0;border:none;border-bottom:3px solid #fff0;cursor:pointer;transition:all 0.2s;margin-bottom:-2px}.ueep-tab:hover{color:var(--ueep-text);background:var(--ueep-bg)}.ueep-tab.active{color:var(--ueep-primary);border-bottom-color:var(--ueep-primary);background:#fff0}.ueep-tab svg{width:18px;height:18px}.ueep-tab-content{display:none}.ueep-tab-content.active{display:block;animation:fadeIn 0.3s}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.ueep-form-group{margin-bottom:24px}.ueep-label{display:flex;align-items:center;gap:8px;font-weight:600;font-size:14px;margin-bottom:10px;color:var(--ueep-text)}.ueep-label svg{width:16px;height:16px;color:var(--ueep-primary)}.ueep-input,.ueep-textarea{width:100%;border:2px solid var(--ueep-border);border-radius:10px;padding:14px 16px;font-size:15px;font-family:inherit;background:#fff;transition:all 0.2s;box-sizing:border-box}.ueep-input:focus,.ueep-textarea:focus{outline:none;border-color:var(--ueep-primary);box-shadow:0 0 0 3px var(--ueep-primary-light)}.ueep-textarea{min-height:280px;resize:vertical;font-family:'Courier New',monospace;font-size:13px}.ueep-hint{display:block;margin-top:8px;font-size:13px;color:var(--ueep-text-muted)}.ueep-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;font-size:15px;font-weight:700;color:#fff;background:var(--ueep-primary);border:none;border-radius:10px;cursor:pointer;transition:all 0.2s;box-shadow:var(--ueep-shadow)}.ueep-btn:hover{background:var(--ueep-primary-dark);transform:translateY(-1px);box-shadow:0 4px 12px rgb(239 68 68 / .3)}.ueep-btn:active{transform:translateY(0)}.ueep-btn-secondary{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:600;color:var(--ueep-text);background:var(--ueep-bg);border:1px solid var(--ueep-border);border-radius:8px;cursor:pointer;transition:all 0.2s}.ueep-btn-secondary:hover{background:#fff;border-color:var(--ueep-primary);color:var(--ueep-primary)}.ueep-btn-small{padding:6px 12px;font-size:13px}.ueep-status{margin-top:16px;padding:14px 16px;border-radius:8px;font-size:14px;display:none}.ueep-status.show{display:flex;align-items:center;gap:10px;animation:slideDown 0.3s}@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.ueep-status.loading{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}.ueep-status.success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}.ueep-status.error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.ueep-spinner{display:inline-block;width:16px;height:16px;border:2px solid currentColor;border-right-color:#fff0;border-radius:50%;animation:spin 0.6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.ueep-results{display:none}.ueep-results.show{display:block;animation:fadeIn 0.4s}.ueep-result-box{background:var(--ueep-card);border:1px solid var(--ueep-border);border-radius:var(--ueep-radius);padding:24px;margin-bottom:24px;box-shadow:var(--ueep-shadow)}.ueep-result-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.ueep-result-title{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--ueep-text)}.ueep-result-title svg{width:22px;height:22px;color:var(--ueep-primary)}.ueep-result-actions{display:flex;align-items:center;gap:10px}.ueep-count-badge{background:var(--ueep-primary-light);color:var(--ueep-primary-dark);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700}.ueep-result-output{width:100%;min-height:300px;border:2px solid var(--ueep-border);border-radius:10px;padding:16px;font-size:13px;font-family:'Courier New',monospace;background:var(--ueep-bg);resize:vertical;box-sizing:border-box}.ueep-result-output:focus{outline:none;border-color:var(--ueep-primary)}.ueep-export-btn{background:var(--ueep-success)}.ueep-export-btn:hover{background:#059669}.ueep-history-section{margin-top:48px}.ueep-history-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.ueep-history-title{display:flex;align-items:center;gap:10px;font-size:28px;font-weight:700;margin:0}.ueep-history-title svg{width:24px;height:24px;color:var(--ueep-primary)}.ueep-history-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.ueep-stat-card{background:var(--ueep-card);border:1px solid var(--ueep-border);border-radius:10px;padding:20px;text-align:center}.ueep-stat-value{font-size:32px;font-weight:800;color:var(--ueep-primary);margin-bottom:4px}.ueep-stat-label{font-size:13px;color:var(--ueep-text-muted);font-weight:600}.ueep-history-list{display:grid;gap:16px}.ueep-history-item{background:var(--ueep-card);border:1px solid var(--ueep-border);border-radius:10px;padding:20px;display:flex;justify-content:space-between;align-items:center;transition:all 0.2s}.ueep-history-item:hover{border-color:var(--ueep-primary);box-shadow:var(--ueep-shadow)}.ueep-history-item.copied{opacity:.6;background:var(--ueep-bg)}.ueep-history-info{flex:1}.ueep-history-source{font-weight:600;font-size:15px;margin-bottom:6px;color:var(--ueep-text);word-break:break-all}.ueep-history-meta{display:flex;align-items:center;gap:16px;font-size:13px;color:var(--ueep-text-muted)}.ueep-history-actions{display:flex;gap:8px}.ueep-icon-btn{padding:8px;background:var(--ueep-bg);border:1px solid var(--ueep-border);border-radius:6px;cursor:pointer;transition:all 0.2s;display:flex;align-items:center;justify-content:center}.ueep-icon-btn:hover{background:#fff;border-color:var(--ueep-primary);color:var(--ueep-primary)}.ueep-icon-btn svg{width:16px;height:16px}.ueep-empty{text-align:center;padding:48px 24px;color:var(--ueep-text-muted)}.ueep-empty svg{width:64px;height:64px;margin-bottom:16px;opacity:.3}.ueep-empty p{font-size:16px;margin:0}@media (max-width:768px){.ueep-wrapper{padding:0 16px;margin:40px auto}.ueep-title{font-size:36px}.ueep-subtitle{font-size:16px}.ueep-card{padding:24px}.ueep-tabs{flex-direction:column;gap:0;border-bottom:none}.ueep-tab{justify-content:center;border-bottom:1px solid var(--ueep-border)}.ueep-result-header,.ueep-history-header{flex-direction:column;align-items:flex-start;gap:16px}.ueep-history-item{flex-direction:column;align-items:flex-start;gap:16px}.ueep-history-actions{width:100%;justify-content:flex-end}}