:root{--primary: #2563eb;--primary-dark: #1d4ed8;--primary-light: #dbeafe;--bg: #f8fafc;--surface: #ffffff;--border: #e2e8f0;--text: #1e293b;--text-secondary: #64748b;--text-light: #94a3b8;--success: #16a34a;--success-bg: #f0fdf4;--success-border: #bbf7d0;--warning: #ea580c;--warning-bg: #fff7ed;--warning-border: #fed7aa;--error: #dc2626;--error-bg: #fef2f2;--error-border: #fecaca;--purple: #7c3aed;--purple-bg: #f5f3ff;--radius: 10px;--radius-sm: 6px;--shadow: 0 1px 3px rgba(0, 0, 0, .08);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .12);--sidebar-width: 210px;--drawer-width: 440px;--transition: .2s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,Microsoft YaHei,Segoe UI,sans-serif;color:var(--text);background:var(--bg);font-size:14px;line-height:1.5;overflow:hidden}#root{height:100vh}button{font-family:inherit;cursor:pointer;border:none;background:none}input,textarea,select{font-family:inherit;font-size:14px}a{color:var(--primary);text-decoration:none}.app-layout{display:flex;height:100vh}.sidebar{width:var(--sidebar-width);background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{padding:10px 14px;border-bottom:1px solid var(--border);background:var(--surface);display:flex;align-items:center;justify-content:center}.sidebar-logo{width:100%;max-width:180px;height:auto;border-radius:4px;object-fit:contain;flex:1 1 auto}.sidebar-footer{padding:10px 14px;border-top:1px solid var(--border)}.sidebar-collapse-btn{margin-left:auto;width:24px;height:24px;border:none;background:transparent;color:var(--text-secondary);font-size:16px;line-height:1;cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition);display:flex;align-items:center;justify-content:center}.sidebar-collapse-btn:hover{background:var(--primary-light);color:var(--primary)}.sidebar.collapsed{width:56px}.sidebar.collapsed .sidebar-logo{display:none}.sidebar.collapsed .nav-item,.sidebar.collapsed .nav-group-label{font-size:0;padding:9px 0;justify-content:center}.sidebar.collapsed .nav-label,.sidebar.collapsed .nav-shortcut{display:none}.sidebar.collapsed .nav-item .nav-icon,.sidebar.collapsed .nav-item svg{margin:0 auto}.sidebar.collapsed .theme-toggle{padding:8px 0;gap:0}.sidebar.collapsed .theme-toggle span{display:none}.sidebar.collapsed .theme-toggle svg{margin:0 auto}.sidebar.collapsed .sidebar-collapse-btn{margin:0 auto}.theme-toggle{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text-secondary);font-size:13px;cursor:pointer;transition:all var(--transition)}.theme-toggle:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.sidebar-nav{flex:1;padding:8px;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:8px;width:100%;padding:9px 12px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:14px;font-weight:500;text-align:left;margin-bottom:2px;transition:all var(--transition)}.nav-item:hover{background:var(--primary-light);color:var(--primary)}.nav-item.active{background:var(--primary);color:#fff;box-shadow:0 2px 8px #2563eb4d}.nav-item.sub{padding-left:28px;font-size:13px}.nav-shortcut{font-size:10px;color:inherit;opacity:.5;margin-left:auto;font-family:monospace}.nav-icon{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.nav-group{margin-top:12px;padding-top:12px;border-top:1px solid var(--border)}.nav-group-label{font-size:11px;font-weight:600;color:var(--text-light);text-transform:uppercase;letter-spacing:1px;padding:4px 12px 8px}.nav-group-label-toggle{display:flex;align-items:center;justify-content:space-between;gap:8px}.nav-group-label-toggle>span{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.filter-mode-toggle{flex-shrink:0;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;padding:0;border:1px solid var(--border);background:var(--bg-secondary);color:var(--text-light);border-radius:5px;font-size:13px;line-height:1;cursor:pointer;transition:background .15s,color .15s,border-color .15s}.filter-mode-toggle:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.sidebar.collapsed .filter-mode-toggle{display:none}.main-content{flex:1;overflow-y:auto;padding:24px}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.page-title{font-size:22px;font-weight:700}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;transition:all var(--transition);border:none;outline:none}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 1px 3px #2563eb4d}.btn-primary:hover{background:var(--primary-dark);box-shadow:0 2px 8px #2563eb66}.btn-outline{border:1px solid var(--border);color:var(--text-secondary);background:var(--surface)}.btn-outline:hover,.btn-outline.active{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.btn-danger{color:var(--error);border:1px solid var(--error);background:var(--surface)}.btn-danger:hover{background:var(--error-bg)}.btn-sm{padding:5px 12px;font-size:12px}.btn-icon{padding:6px;border-radius:var(--radius-sm)}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:16px}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.card-title{font-size:16px;font-weight:600}.person-list{display:flex;flex-direction:column;gap:12px}.person-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;display:flex;align-items:center;gap:16px;transition:all var(--transition);border:1px solid transparent}.person-card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary-light)}.person-avatar{width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:600;flex-shrink:0}.person-info{flex:1;min-width:0}.person-name{font-size:16px;font-weight:600;margin-bottom:4px}.person-meta{font-size:13px;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:500;margin-left:8px}.badge-stage{background:var(--purple-bg);color:var(--purple)}.badge-stage-dating{background:var(--success-bg);color:var(--success)}.badge-stage-paused{background:var(--warning-bg);color:var(--warning)}.badge-tag{background:var(--primary-light);color:var(--primary);margin:2px}.toolbar{display:flex;gap:8px;align-items:center;margin-bottom:16px;flex-wrap:wrap}.search-input{flex:1;min-width:200px;padding:9px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);outline:none;transition:border-color var(--transition),box-shadow var(--transition)}.search-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.filter-panel{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:16px}.filter-row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}.filter-field{display:flex;flex-direction:column;gap:4px}.filter-field label{font-size:12px;color:var(--text-secondary)}.filter-field select,.filter-field input{padding:6px 10px;border:1px solid var(--border);border-radius:var(--radius);outline:none}.drawer-overlay{position:fixed;top:0;right:0;width:var(--drawer-width);height:100vh;background:var(--surface);box-shadow:-4px 0 16px #0000001a;z-index:100;display:flex;flex-direction:column;animation:slideIn .2s ease}@keyframes slideIn{0%{transform:translate(100%)}to{transform:translate(0)}}.drawer-backdrop{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#0000004d;z-index:99}.drawer-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border)}.drawer-title{font-size:18px;font-weight:600}.drawer-body{flex:1;overflow-y:auto;padding:20px}.drawer-footer{padding:16px 20px;border-top:1px solid var(--border);display:flex;gap:8px;justify-content:flex-end}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:500;margin-bottom:4px;color:var(--text-secondary)}.form-group input,.form-group textarea,.form-group select{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);outline:none;background:var(--surface);transition:border-color var(--transition),box-shadow var(--transition)}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.form-group textarea{resize:vertical;min-height:60px}.form-row{display:flex;gap:12px}.form-row .form-group{flex:1}.form-check{display:flex;align-items:center;gap:8px}.form-check input[type=checkbox]{width:auto}.tag-input{display:flex;flex-wrap:wrap;gap:4px;padding:6px;border:1px solid var(--border);border-radius:var(--radius);min-height:38px}.tag-chip{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;background:var(--primary-light);color:var(--primary);border-radius:12px;font-size:12px}.tag-chip button{font-size:14px;line-height:1;color:var(--primary)}.tag-input input{border:none;outline:none;flex:1;min-width:80px;padding:4px}.toast-container{position:fixed;top:20px;right:20px;z-index:200;display:flex;flex-direction:column;gap:8px}.toast{padding:12px 20px;border-radius:var(--radius);box-shadow:var(--shadow-lg);font-size:14px;animation:fadeIn .2s ease;max-width:360px}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.toast-success{background:var(--success);color:#fff}.toast-error{background:var(--error);color:#fff}.toast-warning{background:var(--warning);color:#fff}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 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20px;font-size:14px;font-weight:500;color:var(--text-secondary);border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .15s}.tab:hover{color:var(--primary)}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.interaction-item{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px;margin-bottom:10px}.interaction-date{font-size:12px;color:var(--text-light);margin-bottom:4px}.interaction-summary{font-size:14px;margin-bottom:4px}.interaction-meta{font-size:12px;color:var(--text-secondary)}.stage-item{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:8px}.stage-order{font-size:12px;color:var(--text-light);width:24px;text-align:center}.stage-name{flex:1;font-weight:500}.stage-inactive{opacity:.5}.plan-item{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:12px}.plan-title{font-size:16px;font-weight:600;margin-bottom:8px}.plan-meta{font-size:13px;color:var(--text-secondary);margin-bottom:4px}.checklist-item{display:flex;align-items:center;gap:8px;padding:4px 0;font-size:13px}.checklist-item input[type=checkbox]{width:auto}.checklist-item.done{text-decoration:line-through;color:var(--text-light)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-light)}.skeleton{background:linear-gradient(90deg,var(--border) 25%,#f0f0f0 50%,var(--border) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.main-content{animation:fadeSlideIn .2s ease}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.person-card,.interaction-item,.plan-item{transition:transform .15s,box-shadow .15s}.person-card:hover{transform:translateY(-1px)}.btn{position:relative;overflow:hidden}.btn:active{transform:scale(.97)}kbd{display:inline-block;padding:2px 6px;font-size:11px;font-family:monospace;background:#f0f0f0;border:1px solid var(--border);border-radius:3px;box-shadow:0 1px 0 var(--border)}.error-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;text-align:center}.error-state-icon{font-size:48px;margin-bottom:16px}.error-state-title{font-size:18px;font-weight:600;color:var(--error);margin-bottom:8px}.error-state-desc{font-size:14px;color:var(--text-secondary);margin-bottom:20px}.form-group input.error,.form-group textarea.error,.form-group select.error{border-color:var(--error)}.form-error{font-size:12px;color:var(--error);margin-top:4px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;margin-bottom:24px}.finance-mobile-list{display:none}.stat-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;text-align:center;position:relative;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.stat-icon{font-size:28px;margin-bottom:8px;opacity:.8}.stat-card-primary{background:linear-gradient(135deg,var(--primary-light) 0%,var(--surface) 100%);border:1px solid var(--primary-light)}.stat-card-primary .stat-value{color:var(--primary)}.stat-card-success{background:linear-gradient(135deg,var(--success-bg) 0%,var(--surface) 100%);border:1px solid var(--success-border)}.stat-card-success .stat-value{color:var(--success)}.stat-card-warning{background:linear-gradient(135deg,var(--warning-bg) 0%,var(--surface) 100%);border:1px solid var(--warning-border)}.stat-card-warning .stat-value{color:var(--warning)}.stat-card-error{background:linear-gradient(135deg,var(--error-bg) 0%,var(--surface) 100%);border:1px solid var(--error-border)}.stat-card-error .stat-value{color:var(--error)}.stat-value{font-size:32px;font-weight:700;color:var(--primary)}.stat-label{font-size:13px;color:var(--text-secondary);margin-top:4px}.stage-bar{display:flex;align-items:center;gap:12px;padding:6px 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var(--error)}.suggestion-priority.medium{background:var(--warning)}.suggestion-priority.low{background:var(--primary)}.suggestion-content{flex:1}.suggestion-person{font-weight:500;font-size:14px}.suggestion-text{font-size:13px;color:var(--text-secondary)}.suggestion-days{font-size:12px;color:var(--text-light);flex-shrink:0}.export-section{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;margin-bottom:16px}.export-section h3{font-size:16px;margin-bottom:12px}.export-desc{font-size:13px;color:var(--text-secondary);margin-bottom:16px}.settings-section{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:16px}.settings-section h3{font-size:16px;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border)}.settings-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0}.settings-row+.settings-row{border-top:1px solid var(--bg)}.settings-label{font-size:14px}.settings-hint{font-size:12px;color:var(--text-light)}.settings-tab-bar{display:flex;gap:4px;background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:6px;margin-bottom:16px;overflow-x:auto;border:1px solid var(--border)}.settings-tab{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;color:var(--text-secondary);background:transparent;white-space:nowrap;transition:all var(--transition);border:none}.settings-tab:hover{background:var(--primary-light);color:var(--primary)}.settings-tab.active{background:var(--primary);color:#fff;box-shadow:0 2px 6px #2563eb4d}.settings-tab-icon{font-size:14px;line-height:1}.settings-tab-content{min-height:200px}.settings-tab-content .page-header{margin-bottom:12px}.settings-tab-content 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var(--border)}.btn-link{background:none;border:none;color:var(--primary);cursor:pointer;font-size:13px;padding:4px}.btn-link:hover{text-decoration:underline}.tag-edit-row{display:flex;align-items:center;gap:8px;padding:8px 0}.tag-edit-row input{flex:1;padding:6px 10px;border:1px solid var(--border);border-radius:var(--radius);outline:none}.tag-edit-row input:focus{border-color:var(--primary)}.tab-usage{font-size:12px;color:var(--text-light);margin-right:8px}.modal-backdrop{position:fixed;inset:0;background:#00000073;z-index:200;animation:fadeIn .2s ease}.modal-overlay{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);width:90%;max-height:88vh;background:var(--surface);border-radius:var(--radius);box-shadow:0 8px 32px #0003;z-index:201;display:flex;flex-direction:column;animation:modalIn .25s ease}@keyframes modalIn{0%{transform:translate(-50%,-48%) scale(.96);opacity:0}to{transform:translate(-50%,-50%) 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