.note-fab{position:fixed;z-index:940;width:52px;height:52px;border-radius:50%;border:1px solid var(--border);background:var(--card);color:var(--text2);box-shadow:var(--shadow-3);display:flex;align-items:center;justify-content:center;cursor:grab;padding:0;touch-action:none;transition:transform .15s ease,box-shadow .2s ease,color .15s ease;-webkit-user-select:none;user-select:none}.note-fab:hover{color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-4)}.note-fab:active{cursor:grabbing}.note-fab.dragging{cursor:grabbing;transform:scale(1.06);box-shadow:var(--shadow-4);transition:none}.note-fab.open{color:#fff;background:var(--primary);border-color:var(--primary)}.note-fab svg{width:22px;height:22px;pointer-events:none}.note-fab-badge{position:absolute;top:-2px;right:-2px;min-width:12px;height:12px;border-radius:7px;background:var(--accent);border:2px solid var(--card);box-shadow:0 0 0 1px rgba(var(--primary-rgb),.15)}.note-fab-badge.hidden,.note-fab.hidden{display:none}.note-panel{position:fixed;z-index:945;width:312px;max-width:calc(100vw - 24px);max-height:min(70vh,520px);display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-4);overflow:hidden;animation:notePanelIn .16s ease}.note-panel.hidden{display:none}@keyframes notePanelIn{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.note-panel-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;border-bottom:1px solid var(--border);background:var(--surface-2, var(--surface))}.note-panel-tabs{display:flex;gap:4px}.note-tab{font:inherit;font-size:12.5px;font-weight:600;padding:5px 10px;border-radius:9px;border:1px solid transparent;background:transparent;color:var(--text3);cursor:pointer;transition:background .12s ease,color .12s ease}.note-tab:hover{color:var(--text2);background:var(--primary-soft)}.note-tab.active{color:var(--primary);background:var(--primary-soft);border-color:rgba(var(--primary-rgb),.25)}.note-panel-close{font:inherit;font-size:16px;line-height:1;width:28px;height:28px;border-radius:8px;border:none;background:transparent;color:var(--text3);cursor:pointer;flex-shrink:0}.note-panel-close:hover{background:var(--surface-3, var(--bg));color:var(--text)}.note-pane{padding:12px;overflow-y:auto}.note-pane.hidden{display:none}.note-route-label{font-size:11.5px;color:var(--text3);margin-bottom:8px}.note-route-label strong{color:var(--text2)}#noteTextarea{width:100%;min-height:160px;max-height:320px;resize:vertical;font:inherit;font-size:14px;line-height:1.55;color:var(--text);background:var(--surface, var(--bg));border:1px solid var(--border);border-radius:11px;padding:10px 12px;outline:none;transition:border-color .12s ease,box-shadow .12s ease;box-sizing:border-box}#noteTextarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}#noteTextarea::placeholder{color:var(--text3)}.note-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:8px;font-size:11px;color:var(--text3)}.note-foot-saved{color:var(--jade, #10B981);opacity:0;transition:opacity .2s ease}.note-foot-saved.show{opacity:1}.note-count.over{color:var(--primary);font-weight:600}.note-lookup-tip{font-size:13px;line-height:1.55;color:var(--text2);margin:2px 0 14px}.note-lookup-tip b{color:var(--text)}.note-toggle-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;border-top:1px solid var(--border)}.note-toggle-row:first-of-type{border-top:none}.note-toggle-label{font-size:13px;color:var(--text)}.note-toggle-label small{display:block;font-size:11px;color:var(--text3);margin-top:2px}.note-switch{position:relative;flex-shrink:0;width:40px;height:22px;border-radius:12px;border:none;background:var(--border-2, var(--border));cursor:pointer;transition:background .15s ease;padding:0}.note-switch:after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:var(--shadow-1);transition:transform .15s ease}.note-switch.on{background:var(--primary)}.note-switch.on:after{transform:translate(18px)}.note-guide-btn{width:100%;margin-top:14px;font:inherit;font-size:13px;font-weight:600;color:var(--accent, var(--hsk-thuy-luc, #10B981));background:transparent;border:1px solid var(--accent, var(--hsk-thuy-luc, #10B981));border-radius:10px;padding:9px;cursor:pointer;transition:background .12s ease,color .12s ease}.note-guide-btn:hover{background:color-mix(in srgb,var(--accent, #10B981) 12%,transparent)}.note-hide-btn{width:100%;margin-top:8px;font:inherit;font-size:12.5px;color:var(--text3);background:transparent;border:1px solid var(--border);border-radius:10px;padding:8px;cursor:pointer;transition:background .12s ease,color .12s ease}.note-hide-btn:hover{background:var(--surface-3, var(--bg));color:var(--text2)}@media(max-width:480px){.note-panel{inset:auto 12px 12px!important;width:auto;max-width:none;max-height:64vh}}