:root{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text",Inter,system-ui,sans-serif;color:#213247;background:#f4f6f9;font-size:16px;line-height:1.45;font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.shell{display:grid;grid-template-columns:246px minmax(0,1fr);min-height:100vh}.sidebar{display:flex;flex-direction:column;background:#1e344e;color:#ecf3fb;padding:26px 18px 22px;position:sticky;top:0;height:100vh}.brand{display:flex;gap:12px;align-items:center;padding:5px 10px 28px;font-size:18px;letter-spacing:-.035em;font-weight:550;line-height:1.1}.brand strong,.mobile-brand strong{font-weight:750}.brand small{display:block;color:#acbed3;font-size:12px;font-weight:500;letter-spacing:0;margin-top:6px}.brand-mark{display:grid;grid-template-columns:repeat(2,9px);grid-template-rows:repeat(2,9px);gap:4px;width:22px;flex:none}.brand-mark i{border-radius:3px;background:#f3b94c}.brand-mark i:nth-child(2),.brand-mark i:nth-child(3){background:#f5f8fb}.sidebar-label{font-size:11px;letter-spacing:.12em;font-weight:750;color:#a0b3ca;padding:14px 12px 8px}.tree-group{margin:3px 0}.tree-link{display:flex;align-items:center;gap:9px;min-height:39px;padding:7px 12px;border-radius:9px;color:#d1dfed;font-size:14px;font-weight:560}.tree-link:hover,.tree-link:focus-visible{background:#334a66;color:#fff}.tree-link.active{background:#f3b94c;color:#1b2b42;font-weight:720}.tree-link .count{margin-left:auto;font-size:11px;opacity:.72}.tree-children{margin-left:10px;padding-left:8px;border-left:1px solid #47617d}.sidebar-foot{margin-top:auto;border-top:1px solid #38516c;padding:18px 10px 0;color:#a9bed4;font-size:12px;line-height:1.55}.sidebar-foot code{color:#fff;font:650 12px ui-monospace,SFMono-Regular,monospace}
.tag-link{display:inline-block;border:1px solid #4f6985;border-radius:100px;color:#d3dfec;padding:5px 10px;margin:4px 3px 2px 0;font-size:12px;font-weight:650}.tag-link:hover,.tag-link.active{border-color:#f3b94c;color:#f3b94c}.board-tags{display:flex;flex-wrap:wrap;gap:5px;margin:10px 0 0}.tag-pill{border-radius:100px;background:#edf2f7;color:#5b7188;padding:3px 8px;font-size:11px;font-weight:650}.detail-tags{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 16px}
.workspace{min-width:0}.topbar{display:flex;align-items:center;gap:20px;min-height:76px;padding:16px clamp(20px,4vw,55px);border-bottom:1px solid #dee4eb;background:rgba(255,255,255,.86);position:sticky;top:0;z-index:10;backdrop-filter:blur(12px)}.search-box{display:flex;align-items:center;gap:9px;width:min(490px,100%);height:43px;border:1px solid #d6dfe9;border-radius:11px;background:#f7f9fc;padding:0 12px;color:#65768b}.search-box:focus-within{border-color:#42658a;box-shadow:0 0 0 3px #cfdfef}.search-box input{border:0;outline:0;background:transparent;color:#213247;min-width:0;flex:1;font-size:14px}.search-icon{font-size:25px;line-height:1;transform:rotate(-20deg);font-weight:300}.search-box kbd{border:1px solid #d4dce5;border-radius:5px;padding:1px 6px;font:600 12px ui-monospace,SFMono-Regular,monospace;background:#fff}.total{margin-left:auto;color:#708096;font-size:13px;white-space:nowrap}.mobile-brand{display:none}
main{max-width:1620px;margin:auto;padding:34px clamp(20px,4vw,55px) 75px}.eyebrow{color:#7f91a5;font-size:12px;letter-spacing:.09em;font-weight:750;text-transform:uppercase}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:28px}.page-head h1{font-size:clamp(29px,3vw,42px);line-height:1.1;letter-spacing:-.055em;margin:8px 0 10px;font-weight:740}.page-head p{margin:0;max-width:760px;color:#617389;line-height:1.52}.board-count{font-size:13px;color:#718198;border:1px solid #dbe3ed;background:#fff;border-radius:100px;padding:7px 11px;white-space:nowrap}.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:25px;font-size:13px;color:#75869a}.breadcrumb a:hover{color:#245d91;text-decoration:underline}.breadcrumb .sep{opacity:.5}.section-label{display:flex;align-items:baseline;gap:9px;margin:34px 0 14px;font-weight:720;color:#253b52;letter-spacing:-.018em}.section-label small{font-weight:500;color:#8494a8;font-size:13px}
.board-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:18px}.board-card{display:flex;flex-direction:column;min-height:278px;border:1px solid #dce4ed;border-radius:17px;overflow:hidden;background:#fff;transition:transform .18s,border-color .18s,box-shadow .18s}.board-card:hover,.board-card:focus-within{transform:translateY(-2px);border-color:#aebfd1;box-shadow:0 12px 24px #243c5917}.board-preview{display:flex;align-items:stretch;height:144px;background:#e7ecf3;overflow:hidden}.board-preview img{width:33.333%;min-width:0;height:100%;object-fit:cover;border-right:2px solid #fff}.board-preview img:last-child{border:0}.board-preview .empty-preview{display:grid;place-items:center;width:100%;font-size:30px;color:#7388a1}.board-body{padding:18px 19px 20px;flex:1}.board-meta{display:flex;justify-content:space-between;gap:8px;color:#8999aa;font-size:12px;font-weight:700}.board-meta code{font:750 12px ui-monospace,SFMono-Regular,monospace;color:#a36608}.board-body h2{font-size:20px;letter-spacing:-.03em;margin:12px 0 6px}.board-body p{font-size:14px;line-height:1.44;color:#68798d;margin:0;max-width:55ch}.board-open{display:inline-block;margin-top:16px;color:#245d91;font-size:13px;font-weight:690}
.option-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,295px),1fr));gap:19px}.option-card{background:#fff;border:1px solid #dbe3ec;border-radius:16px;overflow:hidden;display:flex;flex-direction:column;min-width:0;transition:border-color .18s,box-shadow .18s,transform .18s}.option-card:hover,.option-card:focus-within{border-color:#a5b8cc;box-shadow:0 9px 22px #20395116;transform:translateY(-2px)}.option-media{height:202px;background:#e9eef4;display:grid;place-items:center;overflow:hidden;position:relative}.option-media img,.option-media video{display:block;width:100%;height:100%;object-fit:contain}.media-fallback{padding:18px;color:#60758b;font-size:14px;text-align:center}.option-content{padding:15px 17px 18px;display:flex;flex-direction:column;flex:1}.option-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.option-code{font:750 12px ui-monospace,SFMono-Regular,monospace;color:#8b5b0c;background:#fff2d9;border-radius:7px;padding:5px 8px;white-space:nowrap}.chosen{font-size:11px;font-weight:730;color:#255f50;background:#e4f2ea;padding:5px 8px;border-radius:7px}.option-content h2{font-size:17px;line-height:1.28;letter-spacing:-.02em;margin:12px 0 6px}.option-content p{font-size:13px;line-height:1.45;color:#65768b;margin:0}.option-actions{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:auto;padding-top:15px}.option-actions a{font-size:13px;font-weight:700;color:#245d91}.text-button{border:0;background:transparent;color:#5e748a;padding:5px 0;font-size:12px;font-weight:650}.text-button:hover{color:#174e82;text-decoration:underline}
.detail-layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(265px,.8fr);gap:23px;align-items:start}.detail-visual{background:#fff;border:1px solid #dbe3ec;border-radius:17px;overflow:hidden;min-height:430px;display:grid;place-items:center;position:relative}.detail-visual img,.detail-visual video{display:block;width:100%;max-height:min(75vh,860px);object-fit:contain}.detail-visual:fullscreen{width:100vw;height:100vh;max-width:none;max-height:none;border:0;border-radius:0;background:#111924}.detail-visual:fullscreen img,.detail-visual:fullscreen video{width:100%;height:100%;max-height:100vh}.full-button{position:absolute;right:14px;top:14px;z-index:2;border:1px solid #cbd7e4;border-radius:8px;background:#fffffff2;color:#263d55;padding:7px 10px;font-size:13px;font-weight:700}.full-button:hover{background:#fff}.detail-side{background:#fff;border:1px solid #dbe3ec;border-radius:17px;padding:23px;position:sticky;top:99px}.detail-side h1{margin:15px 0 12px;font-size:28px;line-height:1.17;letter-spacing:-.04em}.detail-side p{color:#617389;line-height:1.55;margin:0 0 18px}.detail-side .decision{background:#e4f2ea;color:#275f51;padding:10px 12px;border-radius:9px;font-size:13px;font-weight:650;margin:14px 0}.detail-action{display:flex;align-items:center;justify-content:center;min-height:42px;padding:9px 14px;background:#1e344e;color:#fff;border:0;border-radius:9px;font-size:14px;font-weight:700;width:100%;margin:9px 0}.detail-action.secondary{background:#eff3f8;color:#24405d}.detail-action:hover{filter:brightness(1.08)}.detail-nav{display:flex;justify-content:space-between;gap:12px;margin-top:18px;font-size:13px;color:#315c80}.detail-nav a:hover{text-decoration:underline}.empty-state{background:#fff;border:1px dashed #c4d1df;border-radius:15px;padding:38px;text-align:center;color:#62768c}.empty-state h2{margin:0 0 8px;color:#263d55;font-size:20px}.empty-state p{margin:0}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);background:#1e344e;color:#fff;padding:11px 16px;border-radius:9px;box-shadow:0 12px 30px #11233735;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:30;font-size:14px}.toast.visible{opacity:1;transform:translate(-50%,0)}.error{padding:40px;background:#fff;border-radius:13px;border:1px solid #dce4ed}
@media(max-width:940px){.shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto;padding:14px 16px 13px}.brand,.sidebar-label,.sidebar-foot{display:none}.sidebar nav{display:flex;gap:7px;overflow-x:auto}.tree-group{margin:0;flex:none}.tree-children{display:contents}.tree-link{border:1px solid #4e6985;min-height:34px;white-space:nowrap;padding:6px 11px}.tree-link .count{display:none}.sidebar #tags{margin-top:8px}.tag-link{white-space:nowrap;margin:0}.mobile-brand{display:block;font-size:16px;white-space:nowrap;letter-spacing:-.03em}.topbar{top:0;min-height:63px;gap:13px}.total{display:none}main{padding-top:25px}}
@media(max-width:680px){.topbar{flex-wrap:wrap;padding:12px 18px}.search-box{order:2;width:100%}.page-head{display:block}.board-count{display:inline-block;margin-top:15px}.option-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,250px),1fr))}.detail-layout{grid-template-columns:1fr}.detail-side{position:static}.detail-visual{min-height:220px}.detail-side h1{font-size:24px}.page-head h1{font-size:31px}}
@media(max-width:940px){.shell{grid-template-columns:minmax(0,1fr)}.sidebar,.workspace{min-width:0}.sidebar .tree-group,.sidebar .tree-children{display:contents}.sidebar nav{scrollbar-width:none}.sidebar nav::-webkit-scrollbar{display:none}}
@media(max-width:680px){.detail-layout{grid-template-columns:minmax(0,1fr)}.detail-visual,.detail-side{min-width:0}.detail-visual img,.detail-visual video{min-width:0}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.edit-bar{display:flex;flex-wrap:wrap;gap:9px;margin:-8px 0 24px}.edit-button{border:1px solid #244362;border-radius:9px;background:#244362;color:#fff;font-weight:690;font-size:13px;min-height:36px;padding:7px 12px}.edit-button:hover{background:#325675}.edit-button.quiet{background:#fff;color:#38556f;border-color:#d0dce8}.edit-button.quiet:hover{background:#edf3f8}.edit-button:disabled{opacity:.55;cursor:wait}.editor-dialog{width:min(540px,calc(100vw - 24px));max-height:min(88vh,850px);border:1px solid #cad6e3;border-radius:17px;padding:0;box-shadow:0 25px 80px #0f28447d;color:#25394e}.editor-dialog::backdrop{background:#12243cb3;backdrop-filter:blur(3px)}.editor-dialog form{padding:25px;overflow-y:auto;max-height:88vh}.editor-heading h2{font-size:22px;line-height:1.2;letter-spacing:-.03em;margin:0 0 5px}.editor-heading p{color:#647a90;font-size:13px;margin:0 0 19px}.editor-fields{display:grid;gap:13px}.editor-field{display:grid;gap:5px;font-size:13px;font-weight:680}.editor-field input,.editor-field textarea,.editor-field select{width:100%;min-width:0;border:1px solid #cbd7e4;border-radius:9px;background:#f9fbfd;color:#1d344b;min-height:40px;padding:8px 10px;font-size:14px;font-weight:450}.editor-field textarea{min-height:84px;resize:vertical}.editor-field input:focus,.editor-field textarea:focus,.editor-field select:focus{outline:2px solid #86a8ca;outline-offset:1px}.editor-field small{font-size:11px;font-weight:450;color:#6b8096}.editor-error{min-height:18px;color:#a9303b;font-size:13px;margin:11px 0}.editor-actions{display:flex;justify-content:flex-end;gap:9px}.editor-actions .edit-button{min-width:100px}