.help-center-panel{position:fixed;inset:0;z-index:9500;pointer-events:none;opacity:0;transition:opacity 0.3s ease}.help-center-panel.active{opacity:1;pointer-events:auto}.help-center-overlay{position:absolute;inset:0;background:rgba(0,0,0,0.6);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.help-center-content{position:absolute;top:0;right:0;width:480px;max-width:100vw;height:100vh;background:rgba(255,255,255,0.98);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);box-shadow:-10px 0 40px rgba(0,0,0,0.15);display:flex;flex-direction:column;transform:translateX(100%);transition:transform 0.4s cubic-bezier(0.16,1,0.3,1)}.help-center-panel.active .help-center-content{transform:translateX(0)}.help-center-header{display:flex;align-items:center;gap:16px;padding:28px 28px 24px;border-bottom:1px solid rgba(0,0,0,0.08);background:linear-gradient(180deg,rgba(27,82,68,0.03) 0%,transparent 100%)}.help-header-icon{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--green-700));color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;box-shadow:0 4px 16px rgba(27,82,68,0.25)}.help-center-title{flex:1;font-size:24px;font-weight:800;color:var(--primary);margin:0;letter-spacing:-0.02em}.help-close-btn{width:40px;height:40px;border-radius:50%;border:none;background:rgba(0,0,0,0.05);color:#666;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.2s ease;flex-shrink:0}.help-close-btn:hover{background:rgba(0,0,0,0.1);color:#333;transform:scale(1.1)}.help-center-body{flex:1;overflow-y:auto;overflow-x:hidden;padding:24px 28px 32px}.help-center-body::-webkit-scrollbar{width:6px}.help-center-body::-webkit-scrollbar-track{background:transparent}.help-center-body::-webkit-scrollbar-thumb{background:rgba(0,0,0,0.15);border-radius:10px}.help-center-body::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,0.25)}.help-quick-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:28px}.help-action-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:20px 16px;border-radius:16px;border:1.5px solid rgba(27,82,68,0.15);background:rgba(255,255,255,0.8);cursor:pointer;transition:all 0.25s ease;position:relative;overflow:hidden}.help-action-btn::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,var(--primary),var(--green-700));opacity:0;transition:opacity 0.25s ease}.help-action-btn:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:0 8px 24px rgba(27,82,68,0.15)}.help-action-btn:hover::before{opacity:0.05}.help-action-btn i{font-size:24px;color:var(--primary);transition:transform 0.25s ease;position:relative;z-index:1}.help-action-btn:hover i{transform:scale(1.1)}.help-action-label{font-size:13px;font-weight:600;color:#333;text-align:center;line-height:1.3;position:relative;z-index:1}.help-sections{display:flex;flex-direction:column;gap:12px}.help-section{border-radius:16px;border:1.5px solid rgba(0,0,0,0.08);background:#fff;overflow:hidden;transition:all 0.25s ease}.help-section:hover{border-color:rgba(27,82,68,0.2);box-shadow:0 4px 16px rgba(0,0,0,0.06)}.help-section.active{border-color:var(--primary);box-shadow:0 6px 20px rgba(27,82,68,0.12)}.help-section-header{width:100%;display:flex;align-items:center;gap:14px;padding:18px 20px;border:none;background:transparent;cursor:pointer;text-align:left;transition:background 0.2s ease}.help-section-header:hover{background:rgba(27,82,68,0.03)}.help-section.active .help-section-header{background:rgba(27,82,68,0.05)}.help-section-icon{width:40px;height:40px;border-radius:12px;background:rgba(27,82,68,0.08);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;transition:all 0.25s ease}.help-section.active .help-section-icon{background:var(--primary);color:#fff;transform:scale(1.05)}.help-section-title{flex:1;font-size:15px;font-weight:700;color:#333;margin:0;letter-spacing:-0.01em}.help-section.active .help-section-title{color:var(--primary)}.help-section-chevron{font-size:12px;color:#999;transition:transform 0.25s ease,color 0.25s ease;flex-shrink:0}.help-section.active .help-section-chevron{transform:rotate(180deg);color:var(--primary)}.help-section-content{max-height:0;overflow:hidden;transition:max-height 0.3s cubic-bezier(0.16,1,0.3,1)}.help-section.active .help-section-content{max-height:500px}.help-section-text{padding:0 20px 20px;margin:0;font-size:14px;line-height:1.7;color:#555}.shortcuts-modal{position:fixed;inset:0;z-index:10000;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity 0.3s ease}.shortcuts-modal.active{opacity:1;pointer-events:auto}.shortcuts-modal-overlay{position:absolute;inset:0;background:rgba(0,0,0,0.7);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.shortcuts-modal-content{position:relative;width:420px;max-width:calc(100vw - 40px);background:rgba(255,255,255,0.98);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-radius:24px;box-shadow:0 20px 60px rgba(0,0,0,0.3),0 0 0 1px rgba(255,255,255,0.5);transform:scale(0.9);transition:transform 0.3s cubic-bezier(0.34,1.56,0.64,1)}.shortcuts-modal.active .shortcuts-modal-content{transform:scale(1)}.shortcuts-modal-header{display:flex;align-items:center;justify-content:space-between;padding:24px 28px 20px;border-bottom:1px solid rgba(0,0,0,0.08)}.shortcuts-modal-header h3{font-size:20px;font-weight:800;color:var(--primary);margin:0;letter-spacing:-0.02em}.shortcuts-close{width:32px;height:32px;border-radius:50%;border:none;background:rgba(0,0,0,0.05);color:#666;font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.2s ease}.shortcuts-close:hover{background:rgba(0,0,0,0.1);color:#333;transform:scale(1.1)}.shortcuts-modal-body{padding:24px 28px 28px}.shortcuts-modal-body pre{margin:0;font-family:'Roboto Mono','Courier New',monospace;font-size:13px;line-height:1.8;color:#444;white-space:pre-wrap;background:rgba(27,82,68,0.04);padding:16px 20px;border-radius:12px;border:1px solid rgba(27,82,68,0.1)}@media (max-width:768px){.help-center-content{width:100vw}.help-center-header{padding:20px 20px 18px}.help-header-icon{width:44px;height:44px;font-size:20px}.help-center-title{font-size:21px}.help-close-btn{width:36px;height:36px;font-size:15px}.help-center-body{padding:20px 20px 28px}.help-quick-actions{gap:10px;margin-bottom:24px}.help-action-btn{padding:16px 12px;gap:8px}.help-action-btn i{font-size:22px}.help-action-label{font-size:12px}.help-sections{gap:10px}.help-section-header{padding:16px 18px;gap:12px}.help-section-icon{width:36px;height:36px;font-size:15px}.help-section-title{font-size:14px}.help-section-text{padding:0 18px 18px;font-size:13px}.shortcuts-modal-content{width:calc(100vw - 32px)}.shortcuts-modal-header{padding:20px 24px 16px}.shortcuts-modal-header h3{font-size:18px}.shortcuts-modal-body{padding:20px 24px 24px}.shortcuts-modal-body pre{font-size:12px;padding:14px 16px}}@keyframes slideInRight{from{transform:translateX(100%)}to{transform:translateX(0)}}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){.help-center-content,.shortcuts-modal-content,.help-section-content,.help-action-btn,.help-section{transition-duration:0.01ms !important}}@media (prefers-contrast:high){.help-center-content{border-left:3px solid var(--primary)}.help-section{border-width:2px}.shortcuts-modal-content{border:2px solid var(--primary)}}.help-action-btn:focus-visible,.help-section-header:focus-visible,.help-close-btn:focus-visible,.shortcuts-close:focus-visible{outline:3px solid var(--primary);outline-offset:2px}