*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #667eea;--primary-dark: #5a6fd6;--danger: #ef4444;--text: #1e1e2e;--text-muted: #6b7280;--bg: #f8f9fc;--surface: #ffffff;--border: #e5e7eb;--radius: 12px;--radius-sm: 8px;--shadow: 0 2px 12px rgba(0,0,0,.08);--shadow-lg: 0 8px 30px rgba(0,0,0,.12)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;height:100vh;overflow:hidden}#root{height:100vh;display:flex;flex-direction:column}.app{display:flex;flex-direction:column;height:100vh}.app-main{flex:1;overflow:hidden;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:56px;background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0}.app-logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:16px;color:var(--primary)}.app-user{display:flex;align-items:center;gap:10px;color:var(--text-muted);font-size:13px}.auth-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.auth-card{background:var(--surface);border-radius:20px;padding:40px;width:100%;max-width:400px;box-shadow:var(--shadow-lg)}.auth-logo{display:flex;align-items:center;gap:10px;margin-bottom:24px;color:var(--primary)}.auth-logo h1{font-size:20px;font-weight:700}.auth-card h2{font-size:18px;margin-bottom:20px}.auth-toggle{margin-top:16px;text-align:center;color:var(--text-muted)}.auth-toggle button{background:none;border:none;color:var(--primary);cursor:pointer;font-weight:600}.form-group{margin-bottom:16px}.form-group label{display:block;font-weight:600;font-size:13px;margin-bottom:6px}.form-group input,.form-group textarea,.form-group select{width:100%;padding:10px 12px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:14px;outline:none;transition:border-color .15s;background:var(--surface)}.form-group input:focus,.form-group textarea:focus{border-color:var(--primary)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.btn-primary{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;transition:background .15s}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-primary:disabled{opacity:.55;cursor:not-allowed}.btn-secondary{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;background:var(--bg);color:var(--text);border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer}.btn-secondary:hover{background:var(--border)}.btn-outline{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;background:transparent;color:var(--primary);border:1.5px solid var(--primary);border-radius:var(--radius-sm);font-size:13px;font-weight:600;cursor:pointer}.btn-outline:hover{background:#667eea14}.btn-outline-white{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;background:#ffffff26;color:#fff;border:1.5px solid rgba(255,255,255,.6);border-radius:var(--radius-sm);font-size:13px;font-weight:600;cursor:pointer}.btn-outline-white:hover{background:#ffffff40}.btn-sm{padding:6px 12px;font-size:12px;border-radius:6px}.icon-btn{background:none;border:none;cursor:pointer;color:var(--text-muted);padding:4px;border-radius:4px;display:inline-flex;align-items:center;transition:color .15s,background .15s}.icon-btn:hover{background:var(--bg);color:var(--text)}.icon-btn.danger:hover{color:var(--danger)}.icon-only{padding:10px}.avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#764ba2);color:#fff;font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.avatar.small{width:26px;height:26px;font-size:12px}.error-msg{color:var(--danger);background:#fef2f2;border:1px solid #fecaca;border-radius:8px;padding:10px 12px;margin-bottom:12px;font-size:13px}.success-msg{color:#16a34a;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:8px;padding:10px 12px;margin-bottom:12px;font-size:13px}.empty-text{color:var(--text-muted);font-size:13px;text-align:center;padding:16px 0}.empty-text.small{font-size:12px;padding:8px 0}.center{text-align:center}.plan-list{padding:28px;max-width:1100px;margin:0 auto;width:100%;overflow-y:auto;height:100%}.plan-list-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.plan-list-header h2{font-size:22px;font-weight:700}.plan-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}.plan-card{background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);cursor:pointer;transition:transform .15s,box-shadow .15s}.plan-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}.plan-card-banner{height:80px;position:relative}.plan-card-body{padding:16px}.plan-card-body h3{font-size:16px;font-weight:700;margin-bottom:4px}.plan-destination{color:var(--text-muted);font-size:13px;display:flex;align-items:center;gap:4px;margin-bottom:10px}.plan-meta{display:flex;flex-direction:column;gap:4px;color:var(--text-muted);font-size:12px}.plan-meta span{display:flex;align-items:center;gap:4px}.empty-state{text-align:center;padding:80px 20px;color:var(--text-muted)}.empty-state svg{margin-bottom:12px;opacity:.3}.plan-detail{display:flex;flex-direction:column;height:100%}.plan-detail-header{display:flex;align-items:center;gap:16px;padding:14px 24px;color:#fff;flex-shrink:0}.back-btn{display:flex;align-items:center;gap:6px;background:#ffffff26;border:none;color:#fff;padding:8px 14px;border-radius:var(--radius-sm);cursor:pointer;font-size:13px;font-weight:600;white-space:nowrap}.back-btn:hover{background:#ffffff40}.plan-detail-title{flex:1}.plan-detail-title h2{font-size:20px;font-weight:700}.plan-detail-meta{display:flex;gap:16px;font-size:12px;opacity:.9;margin-top:2px}.plan-detail-meta span{display:flex;align-items:center;gap:4px}.plan-detail-actions{display:flex;gap:8px;flex-shrink:0}.tab-nav{display:flex;border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0;padding:0 24px}.tab{display:inline-flex;align-items:center;gap:6px;padding:12px 16px;border:none;background:none;cursor:pointer;color:var(--text-muted);font-size:13px;font-weight:600;border-bottom:2px solid transparent;transition:color .15s}.tab:hover{color:var(--text)}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.plan-detail-body{flex:1;overflow:hidden;display:flex;flex-direction:row}.map-pane{flex:1;min-width:0;position:relative;display:flex;flex-direction:column}.itinerary-pane{width:420px;flex-shrink:0;display:flex;flex-direction:column;border-left:1px solid var(--border);background:var(--surface)}.chat-popup{position:absolute;top:60px;left:12px;z-index:20;width:260px;background:var(--surface);border-radius:12px;box-shadow:0 8px 32px #0000002e;display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--border)}.chat-popup-header{display:flex;align-items:center;gap:7px;padding:10px 12px;background:var(--primary);color:#fff;cursor:pointer;font-size:13px;font-weight:600;flex-shrink:0}.chat-popup-header span{flex:1}.chat-popup-controls{display:flex;gap:4px}.chat-popup-controls button{background:#fff3;border:none;color:#fff;width:20px;height:20px;border-radius:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}.chat-popup-controls button:hover{background:#ffffff59}.chat-count{background:#ffffff40;color:#fff;font-size:10px;font-weight:700;padding:1px 6px;border-radius:10px}.chat-popup-messages{height:200px;overflow-y:auto;padding:10px 12px;display:flex;flex-direction:column;gap:8px}.chat-popup-input{display:flex;gap:6px;padding:8px 10px;border-top:1px solid var(--border);flex-shrink:0}.chat-popup-input input{flex:1;padding:7px 10px;border:1.5px solid var(--border);border-radius:16px;font-size:13px;outline:none}.chat-popup-input input:focus{border-color:var(--primary)}.chat-popup-input .btn-primary{padding:7px 10px}.confirm-iw{min-width:240px;max-width:280px;padding:4px 2px}.confirm-iw-name{font-weight:700;font-size:13px;color:#1e1e2e;margin-bottom:10px;line-height:1.4;border-bottom:1px solid #e5e7eb;padding-bottom:8px}.confirm-iw-fields{display:flex;flex-direction:column;gap:6px;margin-bottom:10px}.confirm-iw-row{display:flex;align-items:center;gap:8px;font-size:12px}.confirm-iw-row label{width:44px;font-weight:600;color:#6b7280;flex-shrink:0}.confirm-iw-row select,.confirm-iw-row input[type=time],.confirm-iw-row input[type=number]{border:1.5px solid #e5e7eb;border-radius:6px;padding:4px 8px;font-size:12px;outline:none;flex:1}.confirm-iw-row select:focus,.confirm-iw-row input:focus{border-color:#667eea}.confirm-iw-expense-toggle{margin-bottom:8px;font-size:12px}.confirm-iw-expense-toggle label{display:flex;align-items:center;gap:5px;cursor:pointer;color:#6b7280}.confirm-iw-expense-fields{display:flex;flex-direction:column;gap:4px;margin-bottom:8px}.confirm-iw-input{width:100%;border:1.5px solid #e5e7eb;border-radius:6px;padding:5px 8px;font-size:12px;outline:none}.confirm-iw-input:focus{border-color:#667eea}.confirm-iw-select{border:1.5px solid #e5e7eb;border-radius:6px;padding:5px 6px;font-size:12px;outline:none;flex-shrink:0}.confirm-iw-actions{display:flex;gap:6px;justify-content:flex-end}.confirm-iw-btn-cancel{padding:6px 12px;border:1.5px solid #e5e7eb;border-radius:6px;background:#fff;cursor:pointer;font-size:12px;color:#6b7280}.confirm-iw-btn-add{display:flex;align-items:center;gap:4px;padding:6px 12px;background:#667eea;color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:12px;font-weight:600}.confirm-iw-btn-add:hover{background:#5a6fd6}.map-wrapper{position:relative;flex:1;width:100%;height:100%}.map-loading{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-muted)}.map-search-bar{position:absolute;top:12px;left:50%;transform:translate(-50%);z-index:10;display:flex;align-items:center;background:#fff;border-radius:24px;box-shadow:0 2px 12px #0003;padding:0 14px;width:360px;max-width:calc(100% - 32px)}.map-search-icon{color:var(--text-muted);flex-shrink:0}.map-search-input{flex:1;border:none;outline:none;padding:11px 10px;font-size:14px;background:transparent;width:100%}.map-search-clear{background:none;border:none;cursor:pointer;color:var(--text-muted);padding:4px;display:flex;align-items:center}.map-search-clear:hover{color:var(--text)}.map-hint{position:absolute;top:58px;left:50%;transform:translate(-50%);z-index:10;background:#000000a6;color:#fff;padding:6px 14px;border-radius:20px;font-size:11px;display:flex;align-items:center;gap:6px;pointer-events:none;white-space:nowrap}.info-window{min-width:200px;max-width:260px}.info-window-header{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:8px}.info-window-header strong{font-size:13px;line-height:1.4}.info-window-meta{font-size:11px;color:var(--text-muted);margin-bottom:8px}.location-notes{margin-bottom:8px}.note-item{font-size:12px;color:#444;margin-bottom:2px}.add-note-form textarea{width:100%;padding:8px;border:1px solid var(--border);border-radius:6px;font-size:12px;resize:none;margin-bottom:6px}.add-note-actions{display:flex;justify-content:flex-end;gap:6px}.confirm-panel{position:absolute;bottom:0;left:0;right:0;z-index:10;background:#fff;border-top:1px solid var(--border);padding:14px 18px;box-shadow:0 -4px 20px #0000001f}.confirm-panel-name{display:flex;align-items:flex-start;gap:8px;margin-bottom:12px;color:var(--primary)}.confirm-panel-name span{flex:1;font-weight:600;font-size:14px;color:var(--text);line-height:1.4}.confirm-panel-fields{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:12px}.confirm-field{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-muted)}.confirm-field label{font-weight:600;color:var(--text)}.confirm-field select,.confirm-field input[type=time],.confirm-field input[type=number]{border:1.5px solid var(--border);border-radius:6px;padding:5px 8px;font-size:13px;outline:none}.confirm-field select:focus,.confirm-field input:focus{border-color:var(--primary)}.confirm-panel-actions{display:flex;gap:8px;justify-content:flex-end}.itinerary{display:flex;flex-direction:column;height:100%;overflow:hidden}.itinerary-day-nav{display:flex;align-items:stretch;border-bottom:1px solid var(--border);flex-shrink:0}.day-nav-btn{flex-shrink:0;padding:0 8px;border:none;background:none;cursor:pointer;color:var(--text-muted);display:flex;align-items:center;transition:color .15s}.day-nav-btn:hover:not(:disabled){color:var(--primary)}.day-nav-btn:disabled{opacity:.3;cursor:default}.itinerary-day-tabs{display:flex;flex:1;overflow:hidden;padding:0}.day-tab{flex-shrink:0;display:flex;flex-direction:column;align-items:center;padding:10px 14px;border:none;background:none;cursor:pointer;border-bottom:2px solid transparent;color:var(--text-muted);transition:color .15s;gap:1px}.day-tab:hover{color:var(--text)}.day-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.day-tab-num{font-size:12px;font-weight:700}.day-tab-date{font-size:10px}.itinerary-cards{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px}.itinerary-card{display:flex;align-items:center;gap:8px;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;cursor:pointer;transition:border-color .15s,box-shadow .15s;-webkit-user-select:none;user-select:none}.itinerary-card:hover{border-color:var(--primary)}.itinerary-card.selected{border-color:var(--primary);box-shadow:0 0 0 3px #667eea26}.itinerary-card[draggable=true]:active{opacity:.6}.itinerary-card-drag{color:var(--text-muted);cursor:grab;flex-shrink:0;display:flex;align-items:center}.itinerary-card-drag:active{cursor:grabbing}.itinerary-card-time{flex-shrink:0}.time-input{border:none;outline:none;font-size:13px;font-weight:700;color:var(--primary);background:transparent;cursor:pointer;width:72px}.time-input:focus{background:var(--bg);border-radius:4px;padding:2px 4px}.itinerary-card-body{flex:1;min-width:0}.itinerary-card-name{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.itinerary-card-meta{display:flex;align-items:center;gap:4px;color:var(--text-muted);font-size:11px;margin-top:2px}.duration-input{border:none;outline:none;font-size:11px;color:var(--text-muted);background:transparent;width:38px;text-align:right}.duration-input:focus{background:var(--bg);border-radius:4px;padding:1px 3px}.itinerary-card-num{width:20px;height:20px;border-radius:50%;background:var(--primary);color:#fff;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.note-btn{color:var(--text-muted)}.note-btn.has-note{color:var(--primary)}.itinerary-top-tabs{display:flex;border-bottom:1px solid var(--border);flex-shrink:0;background:var(--surface)}.travel-connector{display:flex;gap:0;padding:2px 12px 2px 28px}.travel-connector-spine{width:2px;background:var(--border);border-radius:1px;flex-shrink:0;margin-right:10px;align-self:stretch;min-height:32px}.travel-connector-card{flex:1;background:var(--bg);border:1px solid var(--border);border-radius:8px;overflow:hidden}.travel-connector-row{display:flex;align-items:center;gap:5px;padding:5px 8px}.travel-mode-btn{display:flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;border:1.5px solid var(--border);background:#fff;cursor:pointer;color:var(--text-muted);transition:all .15s}.travel-mode-btn.active{border-color:var(--primary);color:var(--primary);background:#667eea1a}.travel-mode-btn:hover{border-color:var(--primary);color:var(--primary)}.travel-time{font-size:11px;color:var(--text-muted);flex:1}.travel-expand-btn{background:none;border:none;cursor:pointer;color:var(--text-muted);padding:2px;display:flex;align-items:center}.travel-expand-btn:hover{color:var(--primary)}.travel-steps{border-top:1px solid var(--border);padding:6px 8px;display:flex;flex-direction:column;gap:5px;max-height:160px;overflow-y:auto}.travel-step-empty{font-size:11px;color:var(--text-muted)}.travel-step{display:flex;align-items:flex-start;gap:6px;font-size:11px}.travel-step-icon{display:flex;align-items:center;gap:3px;flex-shrink:0;color:var(--primary);padding-top:1px}.transit-line{background:var(--primary);color:#fff;font-size:9px;font-weight:700;padding:1px 4px;border-radius:3px}.travel-step-text{flex:1;color:#444;line-height:1.4}.travel-step-meta{flex-shrink:0;color:var(--text-muted)}.note-panel{flex-shrink:0;border-top:2px solid var(--primary);background:var(--surface);display:flex;flex-direction:column;height:220px}.note-panel-header{display:flex;align-items:center;gap:7px;padding:8px 12px;background:#667eea0f;border-bottom:1px solid var(--border);flex-shrink:0;color:var(--primary)}.note-panel-title{flex:1;font-size:12px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.note-panel-close{background:none;border:none;cursor:pointer;font-size:18px;color:var(--text-muted);line-height:1;padding:0}.note-panel-messages{flex:1;overflow-y:auto;padding:10px 12px;display:flex;flex-direction:column;gap:8px}.note-panel-msg{background:var(--bg);border-radius:8px;padding:8px 10px}.note-panel-msg-text{font-size:13px;color:var(--text);line-height:1.5}.note-panel-msg-footer{display:flex;align-items:center;justify-content:space-between;margin-top:4px}.note-panel-msg-meta{font-size:10px;color:var(--text-muted)}.delete-confirm-inline,.note-delete-confirm{display:flex;align-items:center;gap:6px;font-size:12px;color:#ef4444;padding:4px 0}.delete-confirm-inline span,.note-delete-confirm span{flex:1}.dcb-yes{padding:3px 10px;background:#ef4444;color:#fff;border:none;border-radius:4px;font-size:11px;cursor:pointer;font-weight:600}.dcb-yes:hover{background:#dc2626}.dcb-no{padding:3px 10px;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:4px;font-size:11px;cursor:pointer}.dcb-no:hover{background:var(--border)}.note-panel-input{display:flex;gap:6px;padding:8px 10px;border-top:1px solid var(--border);flex-shrink:0}.note-panel-input input{flex:1;padding:7px 12px;border:1.5px solid var(--border);border-radius:16px;font-size:13px;outline:none}.note-panel-input input:focus{border-color:var(--primary)}.note-panel-input .btn-primary{padding:7px 10px}.note-count{font-size:9px;background:var(--primary);color:#fff;border-radius:8px;padding:1px 4px;margin-left:2px}.note-modal{max-width:480px}.note-modal-sub{font-size:12px;color:var(--text-muted);margin-top:2px}.note-modal-existing{background:var(--bg);border-radius:var(--radius-sm);padding:10px 12px;margin-bottom:14px;max-height:160px;overflow-y:auto}.note-modal-input textarea{width:100%;border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;font-size:14px;resize:none;outline:none;margin-bottom:12px}.note-modal-input textarea:focus{border-color:var(--primary)}.expenses-panel{display:flex;flex-direction:column;height:100%;overflow:hidden}.expenses-summary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:16px;flex-shrink:0}.expenses-total{margin-bottom:10px}.expenses-total-label{font-size:11px;opacity:.85;display:block}.expenses-total-amount{font-size:26px;font-weight:700}.expenses-breakdown{display:flex;flex-direction:column;gap:4px}.expenses-cat-row{display:flex;align-items:center;gap:6px;font-size:12px;opacity:.9}.expenses-cat-amount{margin-left:auto;font-weight:600}.expenses-add-btn{margin:12px;flex-shrink:0}.expenses-form{padding:0 12px 12px;border-bottom:1px solid var(--border);flex-shrink:0}.category-picker{display:flex;flex-wrap:wrap;gap:6px}.category-btn{display:flex;align-items:center;gap:4px;padding:5px 10px;border:1.5px solid var(--border);border-radius:20px;background:#fff;cursor:pointer;font-size:12px;transition:all .15s}.category-btn:hover{border-color:#aaa}.expenses-list{flex:1;overflow-y:auto;padding:8px 12px;display:flex;flex-direction:column;gap:6px}.expense-item{display:flex;align-items:center;gap:10px;padding:10px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm)}.expense-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.expense-body{flex:1;min-width:0}.expense-desc{font-size:13px;font-weight:600}.expense-meta{font-size:11px;color:var(--text-muted)}.expense-right{display:flex;align-items:center;gap:6px;flex-shrink:0}.expense-amount{font-size:13px;font-weight:700;color:var(--primary)}.note-drawer{flex-shrink:0;border-top:2px solid var(--primary);background:var(--surface);max-height:220px;display:flex;flex-direction:column}.note-drawer-header{padding:10px 14px 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