:root{--sidebar-width:248px;--bg:#f6f7f9;--surface:#fff;--surface-subtle:#f0f2f5;--border:#dfe3e8;--border-strong:#cbd2da;--text:#20252d;--text-secondary:#5f6b7a;--text-muted:#8792a2;--accent:#315ee7;--accent-soft:#eaf0ff;--danger:#c2413b;--radius:6px;--header-h:64px;--shadow:0 12px 32px rgba(22,32,48,.12)}
*{box-sizing:border-box}html,body{height:100%;overflow:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:"IBM Plex Sans",sans-serif;font-size:14px;letter-spacing:0}button,input,select,textarea{font:inherit}.app-shell{display:flex;height:100vh;min-height:0}.sidebar{position:relative;width:var(--sidebar-width);min-width:var(--sidebar-width);height:100vh;background:var(--surface);border-right:1px solid var(--border);padding:0 12px 12px;display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden;transition:width .18s ease,min-width .18s ease}.brand-row{height:var(--header-h);display:flex;align-items:center;gap:6px;padding:0 4px 0 8px;border-bottom:1px solid var(--border)}.brand{min-width:0;display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;flex:1}.brand-mark{width:28px;height:28px;flex:0 0 28px;background:var(--text);color:#fff;border-radius:5px;display:grid;place-items:center;font:600 13px "IBM Plex Mono",monospace}.brand-copy{min-width:0}.brand-copy strong,.brand-copy small{display:block}.brand-copy strong{font-size:15px;line-height:18px}.brand-copy small{color:var(--text-muted);font-size:11px;line-height:14px}.plain-icon{width:36px;height:36px;border:1px solid transparent;background:transparent;color:var(--text-secondary);display:grid;place-items:center;border-radius:5px;cursor:pointer;position:relative}.plain-icon:hover{background:var(--surface-subtle);color:var(--text)}.plain-icon:focus-visible,.nav-item:focus-visible,.primary-btn:focus-visible,.secondary-btn:focus-visible,.profile:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.collapse-btn{font-size:21px}.nav-block{padding-top:18px}.nav-label{height:24px;margin:0;padding:0 10px;color:var(--text-muted);font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.08em;display:flex;align-items:center}.nav-label.with-action{justify-content:space-between}.nav-label button{width:28px;height:28px;border:0;background:transparent;color:var(--text-muted);border-radius:4px;cursor:pointer;font-size:17px}.nav-label button:hover{background:var(--surface-subtle);color:var(--text)}.nav-item{width:100%;min-height:40px;border:0;background:transparent;color:var(--text-secondary);border-radius:5px;display:flex;align-items:center;gap:10px;padding:7px 10px;text-align:left;cursor:pointer}.nav-item:hover{background:var(--surface-subtle);color:var(--text)}.nav-item.active{background:var(--accent-soft);color:var(--accent);font-weight:500}.nav-icon{width:20px;min-width:20px;text-align:center;font-size:16px;line-height:20px}.nav-text{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.nav-item b{margin-left:auto;color:var(--text-muted);font:400 11px "IBM Plex Mono",monospace}.category-block{padding-top:22px}.category-block #categoryNav{display:flex;flex-direction:column}.sidebar-bottom{margin-top:auto;padding-top:20px}.sync-status{height:42px;margin:0 4px 8px;display:flex;align-items:center;gap:10px;padding:0 8px;color:var(--text-secondary)}.status-dot{width:7px;height:7px;background:#2da56e;border-radius:50%;flex:0 0 auto}.sync-status strong,.sync-status small{display:inline;font-weight:400}.sync-status small{margin-left:6px;color:var(--text-muted)}.profile{width:100%;height:52px;margin-top:4px;border:0;border-top:1px solid var(--border);background:transparent;display:flex;align-items:center;gap:10px;padding:9px 10px;color:var(--text);text-align:left;cursor:pointer}.profile:hover{background:var(--surface-subtle)}.avatar{width:30px;height:30px;min-width:30px;border-radius:50%;background:#e9ecf1;display:grid;place-items:center;font-size:12px}.profile-copy{min-width:0;flex:1}.profile-copy strong,.profile-copy small{display:block;white-space:nowrap}.profile-copy strong{font-size:13px}.profile-copy small{font-size:11px;color:var(--text-muted)}.profile-more{color:var(--text-muted)}.sidebar-resizer{position:fixed;left:calc(var(--sidebar-width) - 3px);top:0;width:6px;height:100vh;cursor:col-resize;z-index:20}.sidebar-resizer:hover,.sidebar-resizer.dragging{background:var(--accent)}
.main-content{flex:1;min-width:0;height:100vh;overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent}.topbar{height:var(--header-h);position:sticky;top:0;z-index:10;background:rgba(246,247,249,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);display:grid;grid-template-columns:minmax(170px,1fr) minmax(280px,520px) minmax(260px,1fr);align-items:center;gap:24px;padding:0 32px}.page-location{display:flex;align-items:center;gap:9px;color:var(--text-muted);font-size:12px;white-space:nowrap}.page-location i{font-style:normal;color:var(--border-strong)}.page-location strong{color:var(--text-secondary);font-weight:500}.mobile-menu{display:none}.search-wrap{height:38px;background:var(--surface);border:1px solid var(--border);border-radius:5px;display:flex;align-items:center;gap:9px;padding:0 9px;cursor:text}.search-wrap:focus-within{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.search-wrap>span{font-size:18px;color:var(--text-muted)}.search-wrap input{min-width:0;flex:1;border:0;outline:0;background:transparent;color:var(--text);font-size:14px}.search-wrap input::placeholder{color:var(--text-muted)}kbd{border:1px solid var(--border);background:var(--surface-subtle);border-radius:3px;padding:2px 5px;color:var(--text-muted);font:10px "IBM Plex Mono",monospace}.top-actions{justify-self:end;display:flex;align-items:center;gap:6px}.note-action em{position:absolute;right:1px;top:1px;min-width:15px;height:15px;padding:0 3px;border-radius:8px;background:var(--accent);color:#fff;font:500 9px/15px "IBM Plex Mono",monospace}.primary-btn,.secondary-btn{min-height:36px;border-radius:5px;padding:0 13px;display:inline-flex;align-items:center;justify-content:center;gap:7px;cursor:pointer;font-weight:500}.primary-btn{border:1px solid var(--accent);background:var(--accent);color:#fff}.primary-btn:hover{background:#244ed0}.secondary-btn{border:1px solid var(--border);background:var(--surface);color:var(--text-secondary)}.secondary-btn:hover{border-color:var(--border-strong);color:var(--text)}
.content-wrap{max-width:1240px;margin:0 auto;padding:34px 34px 24px}.page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}.page-heading h1{font-size:25px;line-height:32px;letter-spacing:-.025em;margin:0 0 4px;font-weight:600}.page-heading p{margin:0;color:var(--text-secondary);font-size:14px}.view-actions{display:flex;align-items:center;gap:8px}.segmented{height:36px;border:1px solid var(--border);border-radius:5px;display:flex;overflow:hidden;background:var(--surface)}.segmented button{width:38px;border:0;border-right:1px solid var(--border);background:transparent;color:var(--text-muted);cursor:pointer}.segmented button:last-child{border-right:0}.segmented button.active{background:var(--surface-subtle);color:var(--text)}.result-bar{height:36px;border-bottom:1px solid var(--border);display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:16px;color:var(--text-muted);font-size:12px}.result-bar b{font:500 12px "IBM Plex Mono",monospace;color:var(--text-secondary)}.result-bar button{border:0;background:transparent;color:var(--text-secondary);cursor:pointer;padding:0}.result-bar button:hover{color:var(--accent)}.link-grid{display:grid;grid-template-columns:repeat(4,minmax(190px,1fr));gap:10px}.link-card{position:relative;min-height:118px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;cursor:pointer;transition:border-color .14s ease,background .14s ease}.link-card:hover{border-color:var(--border-strong);background:#fcfcfd}.link-card:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.card-head{display:flex;align-items:center;gap:10px;padding-right:28px}.site-favicon{width:28px;height:28px;object-fit:contain;border-radius:4px;background:var(--surface-subtle)}.favicon-fallback{width:28px;height:28px;display:none;place-items:center;border-radius:4px;background:var(--surface-subtle);color:var(--text-secondary);font-weight:600}.link-card h3{font-size:14px;line-height:20px;margin:0;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.link-card p{font-size:13px;line-height:19px;color:var(--text-secondary);margin:11px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-meta{display:flex;align-items:center;gap:6px;margin-top:9px;color:var(--text-muted);font:11px "IBM Plex Mono",monospace;white-space:nowrap;overflow:hidden}.card-meta span:last-child{overflow:hidden;text-overflow:ellipsis}.dot{width:3px;height:3px;border-radius:50%;background:var(--border-strong);flex:0 0 auto}.star{position:absolute;right:10px;top:10px;width:32px;height:32px;border:0;background:transparent;color:var(--text-muted);font-size:17px;display:grid;place-items:center;border-radius:4px;cursor:pointer}.star:hover{background:var(--surface-subtle);color:var(--text)}.star.active{color:var(--accent)}.link-grid.list-view{grid-template-columns:1fr}.list-view .link-card{min-height:68px;padding:12px 50px 12px 14px;display:grid;grid-template-columns:minmax(180px,1fr) minmax(220px,2fr) minmax(160px,1fr);align-items:center;gap:20px}.list-view .link-card p,.list-view .card-meta{margin:0}.empty-state{display:none;text-align:center;padding:100px 20px;color:var(--text-muted)}.empty-state>span{font-size:28px}.empty-state h2{font-size:17px;color:var(--text);margin:14px 0 5px}.empty-state p{margin:0 0 18px;font-size:13px}footer{margin-top:36px;padding:18px 0;border-top:1px solid var(--border);display:flex;justify-content:space-between;color:var(--text-muted);font-size:11px}footer b{font-family:"IBM Plex Mono",monospace;font-weight:400}
.modal-backdrop,.drawer-backdrop{position:fixed;inset:0;background:rgba(24,31,43,.32);opacity:0;visibility:hidden;transition:opacity .15s ease,visibility .15s;z-index:50}.modal-backdrop.open,.drawer-backdrop.open{opacity:1;visibility:visible}.modal-backdrop{display:grid;place-items:center}.modal{width:min(480px,calc(100vw - 32px));background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:28px;box-shadow:var(--shadow);position:relative;transform:translateY(8px);transition:transform .15s ease}.modal-backdrop.open .modal{transform:translateY(0)}.close{position:absolute;right:16px;top:14px;font-size:20px}.modal-kicker,.drawer header small{font:500 10px "IBM Plex Mono",monospace;color:var(--text-muted);letter-spacing:.1em}.modal h2{font-size:21px;margin:7px 0 5px}.modal>p{margin:0 0 24px;color:var(--text-secondary);font-size:13px}.modal label{display:block;color:var(--text-secondary);font-size:12px;font-weight:500;margin-bottom:16px}.modal label>span{float:right;color:var(--text-muted);font-weight:400}.modal input,.modal select,.modal textarea,.note-form textarea{display:block;width:100%;margin-top:7px;border:1px solid var(--border);border-radius:5px;background:var(--bg);color:var(--text);padding:9px 10px;outline:0}.modal input,.modal select{height:40px}.modal textarea{height:76px;resize:vertical}.field-hint{display:block;margin-top:6px;color:var(--text-muted);font-size:11px;font-weight:400}.field-hint.loading{color:var(--accent)}.field-hint.success{color:#25845c}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:24px}.drawer{position:fixed;right:0;top:0;width:min(400px,100vw);height:100vh;background:var(--surface);border-left:1px solid var(--border);box-shadow:var(--shadow);z-index:60;transform:translateX(100%);transition:transform .18s ease;padding:0 22px 24px;overflow-y:auto}.drawer.open{transform:translateX(0)}.drawer header{height:72px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.drawer header h2{font-size:19px;margin:3px 0 0}.note-form textarea{height:90px;resize:vertical}.note-form .primary-btn{margin-top:10px}.note-list{margin-top:20px;display:flex;flex-direction:column;gap:8px}.note-item{border:1px solid var(--border);border-radius:5px;padding:13px;background:var(--bg)}.note-item p{margin:0;color:var(--text);font-size:13px;line-height:20px;white-space:pre-wrap}.note-item time{display:block;margin-top:8px;color:var(--text-muted);font:10px "IBM Plex Mono",monospace}.setting-row{min-height:58px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:20px}.setting-row strong{display:block;font-size:13px}.setting-row small{display:block;color:var(--text-muted);margin-top:3px}.switch{width:38px;height:22px;border:0;border-radius:11px;background:var(--border-strong);padding:2px;cursor:pointer}.switch::before{content:"";display:block;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .15s}.switch.on{background:var(--accent)}.switch.on::before{transform:translateX(16px)}.profile-panel{text-align:center;padding-top:16px}.profile-panel .avatar{width:56px;height:56px;margin:0 auto 12px;font-size:18px}.profile-panel h3{margin:0 0 4px}.profile-panel p{margin:0;color:var(--text-muted);font-size:12px}
body.sidebar-collapsed{--sidebar-width:72px}.sidebar-collapsed .brand-copy,.sidebar-collapsed .nav-label,.sidebar-collapsed .nav-text,.sidebar-collapsed .nav-item b,.sidebar-collapsed .profile-copy,.sidebar-collapsed .profile-more{display:none}.sidebar-collapsed .brand-row{justify-content:center;padding:0}.sidebar-collapsed .brand{display:none}.sidebar-collapsed .collapse-btn{position:static;background:transparent;border-color:transparent;transform:rotate(180deg)}.sidebar-collapsed .nav-item{justify-content:center;padding:8px}.sidebar-collapsed .category-block .nav-icon{font-size:12px;font-weight:500}.sidebar-collapsed .sync-status{justify-content:center}.sidebar-collapsed .profile{justify-content:center}.sidebar-collapsed .sidebar-resizer{display:none}
body.dark{--bg:#15171a;--surface:#1c1f23;--surface-subtle:#272b30;--border:#30353b;--border-strong:#49515b;--text:#f0f2f5;--text-secondary:#b5bdc8;--text-muted:#818b98;--accent:#7d9cff;--accent-soft:#263352;--shadow:0 16px 42px rgba(0,0,0,.4)}body.dark .topbar{background:rgba(21,23,26,.94)}body.dark .link-card:hover{background:#202328}
@media(max-width:1100px){.topbar{grid-template-columns:1fr minmax(260px,420px) auto;padding:0 22px}.link-grid{grid-template-columns:repeat(3,minmax(180px,1fr))}.page-location>span,.page-location>i{display:none}}
@media(max-width:820px){body{--sidebar-width:264px}.sidebar{position:fixed;left:0;top:0;z-index:45;transform:translateX(-100%);box-shadow:var(--shadow)}body.mobile-sidebar-open .sidebar{transform:translateX(0)}.sidebar-resizer,.collapse-btn{display:none}.mobile-menu{display:grid}.topbar{grid-template-columns:auto 1fr auto;padding:0 12px;gap:10px}.page-location strong{display:none}.search-wrap{width:100%}.top-actions .plain-icon{display:none}.content-wrap{padding:26px 18px}.link-grid{grid-template-columns:repeat(2,minmax(150px,1fr))}.primary-btn{padding:0 11px}.primary-btn>span{display:none}}
@media(max-width:540px){.topbar{grid-template-columns:auto 1fr auto}.top-actions .primary-btn{width:38px;padding:0;font-size:0}.top-actions .primary-btn span{display:inline;font-size:18px}.search-wrap kbd{display:none}.page-heading{align-items:flex-start}.page-heading p{display:none}.secondary-btn{display:none}.link-grid{grid-template-columns:1fr}.list-view .link-card{grid-template-columns:1fr}.form-row{grid-template-columns:1fr;gap:0}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}