:root{--primary:#4f46e5;--primary-light:#818cf8;--primary-bg:#eef2ff;--danger:#ef4444;--danger-bg:#fef2f2;--success:#22c55e;--warning:#f59e0b;--warning-bg:#fffbeb;--info:#0ea5e9;--info-bg:#f0f9ff;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-400:#9ca3af;--gray-500:#6b7280;--gray-600:#4b5563;--gray-700:#374151;--gray-800:#1f2937;--radius:12px;--shadow:0 1px 3px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06);--shadow-md:0 4px 6px rgba(0,0,0,.1),0 2px 4px rgba(0,0,0,.06)}
*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--gray-50);color:var(--gray-800);line-height:1.6;-webkit-font-smoothing:antialiased}
.app{display:flex;flex-direction:column;min-height:100vh}
.header{background:var(--primary);color:#fff;padding:0 20px;height:56px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:100;box-shadow:var(--shadow-md)}
.header h1{font-size:18px;font-weight:600;white-space:nowrap}
.header .sync-status{margin-left:auto;font-size:12px;display:flex;align-items:center;gap:6px;opacity:.9}
.sync-dot{width:8px;height:8px;border-radius:50%;background:#fff}
.sync-dot.syncing{background:#fbbf24;animation:pulse 1s infinite}
.sync-dot.offline{background:#f87171}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.tabs{display:flex;background:#fff;border-bottom:1px solid var(--gray-200);overflow-x:auto;-webkit-overflow-scrolling:touch}
.tab{padding:12px 20px;font-size:14px;font-weight:500;color:var(--gray-500);border:none;background:none;cursor:pointer;white-space:nowrap;border-bottom:2px solid transparent;transition:all .2s}
.tab.active{color:var(--primary);border-bottom-color:var(--primary)}
.tab:hover{color:var(--gray-700)}
.main{flex:1;display:flex;overflow:hidden}
.sidebar{width:220px;background:#fff;border-right:1px solid var(--gray-200);padding:16px;overflow-y:auto;flex-shrink:0}
.sidebar-section{margin-bottom:24px}
.sidebar-title{font-size:11px;font-weight:600;color:var(--gray-400);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px}
.sidebar-item{display:flex;align-items:center;gap:8px;padding:6px 10px;font-size:14px;color:var(--gray-600);cursor:pointer;border-radius:6px;transition:background .15s}
.sidebar-item:hover{background:var(--gray-100)}
.sidebar-item.active{background:var(--primary-bg);color:var(--primary);font-weight:500}
.sidebar-item .count{margin-left:auto;font-size:12px;color:var(--gray-400)}
.content{flex:1;overflow-y:auto;padding:20px;-webkit-overflow-scrolling:touch}
.search-bar{position:relative;margin-bottom:16px}
.search-bar input{width:100%;padding:10px 14px 10px 38px;border:1px solid var(--gray-200);border-radius:var(--radius);font-size:14px;background:#fff}
.search-bar input:focus{outline:none;border-color:var(--primary-light)}
.search-bar svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--gray-400)}
.card-list{display:flex;flex-direction:column;gap:12px}
.card{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);cursor:pointer;transition:box-shadow .2s,transform .1s}
.card:hover{box-shadow:var(--shadow-md)}
.card:active{transform:scale(.99)}
.card-header{display:flex;align-items:flex-start;gap:8px;margin-bottom:8px}
.card-date{font-size:13px;font-weight:600;color:var(--primary)}
.card-title{font-size:15px;font-weight:600;color:var(--gray-800);flex:1}
.card-content{font-size:14px;color:var(--gray-600);line-height:1.6;white-space:pre-wrap;word-break:break-word}
.card-content ol,.card-content ul{padding-left:20px;margin:4px 0}
.card-footer{display:flex;align-items:center;gap:8px;margin-top:10px;flex-wrap:wrap}
.card-info{margin-top:8px;padding:10px;background:var(--gray-50);border-radius:8px;font-size:13px;color:var(--gray-500);line-height:1.6;white-space:pre-wrap;word-break:break-word;max-height:200px;overflow-y:auto;border-left:3px solid var(--gray-300)}
.card-info-label{font-size:11px;font-weight:600;color:var(--gray-400);margin-bottom:4px;text-transform:uppercase;letter-spacing:.05em}
.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:500}
.badge-tag{background:var(--primary-bg);color:var(--primary)}
.badge-location{background:#ecfdf5;color:#059669}
.badge-person{background:var(--warning-bg);color:#d97706}
.badge-priority-high{background:var(--danger-bg);color:var(--danger)}
.badge-priority-medium{background:var(--warning-bg);color:var(--warning)}
.badge-priority-low{background:var(--gray-100);color:var(--gray-500)}
.badge-status-pending{background:var(--warning-bg);color:var(--warning)}
.badge-status-done{background:#ecfdf5;color:var(--success)}
.badge-overdue{background:var(--danger-bg);color:var(--danger)}
.badge-event{background:var(--info-bg);color:var(--info)}
.badge-time{background:var(--info-bg);color:var(--info)}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:#4338ca}
.btn-secondary{background:var(--gray-100);color:var(--gray-700)}
.btn-secondary:hover{background:var(--gray-200)}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:#dc2626}
.btn-sm{padding:4px 10px;font-size:12px}
.btn-icon{width:36px;height:36px;border-radius:8px;border:none;background:var(--gray-100);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}
.btn-icon:hover{background:var(--gray-200)}
.fab{position:fixed;bottom:24px;right:24px;width:52px;height:52px;border-radius:50%;background:var(--primary);color:#fff;border:none;font-size:28px;cursor:pointer;box-shadow:0 4px 12px rgba(79,70,229,.4);z-index:50;display:flex;align-items:center;justify-content:center;transition:transform .15s}
.fab:hover{transform:scale(1.08)}
.fab:active{transform:scale(.95)}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:200;display:none;align-items:center;justify-content:center;padding:16px}
.modal-overlay.show{display:flex}
.modal{background:#fff;border-radius:var(--radius);width:100%;max-width:640px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 40px rgba(0,0,0,.2)}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--gray-200);position:sticky;top:0;background:#fff;z-index:10}
.modal-header h2{font-size:17px;font-weight:600}
.modal-body{padding:20px}
.modal-footer{display:flex;gap:8px;justify-content:flex-end;padding:16px 20px;border-top:1px solid var(--gray-200);position:sticky;bottom:0;background:#fff}
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:13px;font-weight:500;color:var(--gray-600);margin-bottom:6px}
.form-input,.form-select,.form-textarea{width:100%;padding:10px 12px;border:1px solid var(--gray-300);border-radius:8px;font-size:14px;font-family:inherit;background:#fff}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(129,140,248,.15)}
.form-textarea{resize:vertical;min-height:80px}
.form-row{display:flex;gap:12px}
.form-row>.form-group{flex:1}
.content-editor{min-height:120px;font-size:14px;line-height:1.8}
.info-editor{min-height:100px;font-size:13px;line-height:1.6;background:var(--gray-50);border-style:dashed}
.tag-input-wrap{display:flex;flex-wrap:wrap;gap:6px;padding:6px;border:1px solid var(--gray-300);border-radius:8px;min-height:42px}
.tag-input-wrap input{border:none;outline:none;flex:1;min-width:80px;font-size:14px;padding:4px}
.tag-chip{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;background:var(--primary-bg);color:var(--primary);border-radius:4px;font-size:12px}
.tag-chip .remove{cursor:pointer;opacity:.6}
.tag-chip .remove:hover{opacity:1}
.ac-wrap{position:relative}
.ac-dropdown{position:absolute;top:100%;left:0;right:0;background:#fff;border:1px solid var(--gray-200);border-radius:8px;box-shadow:var(--shadow-md);max-height:180px;overflow-y:auto;z-index:50;display:none}
.ac-dropdown.show{display:block}
.ac-item{padding:8px 12px;font-size:14px;cursor:pointer}
.ac-item:hover{background:var(--primary-bg)}
.ac-item .ac-new{color:var(--primary);font-weight:500}
.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;background:var(--gray-200);border:1px solid var(--gray-200);border-radius:var(--radius);overflow:hidden}
.calendar-header{background:var(--gray-50);padding:8px;text-align:center;font-size:12px;font-weight:600;color:var(--gray-500)}
.calendar-cell{background:#fff;padding:6px;min-height:72px;cursor:pointer}
.calendar-cell:hover{background:var(--gray-50)}
.calendar-cell.other-month{opacity:.3}
.calendar-cell.today{background:var(--primary-bg)}
.calendar-day{font-size:13px;font-weight:500;margin-bottom:2px}
.calendar-dots{display:flex;gap:2px;flex-wrap:wrap}
.calendar-dot{width:6px;height:6px;border-radius:50%}
.dot-log{background:var(--primary)}.dot-todo{background:var(--warning)}.dot-done{background:var(--success)}.dot-event{background:var(--info)}
.calendar-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.calendar-nav h3{font-size:16px;font-weight:600}
.calendar-events-list{margin-top:16px}
.calendar-events-list h4{font-size:14px;font-weight:600;margin-bottom:8px;color:var(--gray-700)}
.report-section{margin-bottom:24px}
.report-section h3{font-size:15px;font-weight:600;margin-bottom:8px;padding-bottom:6px;border-bottom:1px solid var(--gray-200)}
.report-item{padding:8px 0;font-size:14px;color:var(--gray-600)}
.report-item .date{color:var(--gray-400);font-size:12px}
.export-card{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:20px;margin-bottom:16px}
.export-card h3{font-size:15px;font-weight:600;margin-bottom:12px}
.export-row{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}
.export-field{display:flex;flex-direction:column;gap:4px}
.export-field label{font-size:12px;color:var(--gray-500)}
.empty-state{text-align:center;padding:60px 20px;color:var(--gray-400)}
.empty-state svg{width:64px;height:64px;margin-bottom:12px}
.empty-state p{font-size:14px}
.settings-card{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:20px;margin-bottom:16px}
.settings-card h3{font-size:15px;font-weight:600;margin-bottom:12px}
.settings-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-top:1px solid var(--gray-100)}
.settings-row:first-of-type{border-top:none}
.settings-label{font-size:14px;color:var(--gray-700)}
.settings-value{font-size:13px;color:var(--gray-500)}
.mobile-only{display:none}
@media(max-width:768px){.header{padding:0 12px;height:48px}.header h1{font-size:16px}.sidebar{display:none}.content{padding:12px}.tab{padding:10px 14px;font-size:13px}.modal{max-width:100%;border-radius:12px 12px 0 0;align-self:flex-end;max-height:92vh}.modal-overlay{align-items:flex-end;padding:0}.form-row{flex-direction:column;gap:0}.fab{bottom:16px;right:16px}.card{padding:12px}.mobile-only{display:block}.calendar-cell{min-height:48px;padding:4px}.calendar-day{font-size:11px}.export-row{flex-direction:column;align-items:stretch}}