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0;border-radius:50%;flex-shrink:0;align-self:center;place-items:center;margin-top:12px;font-size:18px;display:grid}.sticky-add:hover{background:var(--sticky);border-color:var(--sticky-ink);color:var(--sticky-ink);transform:scale(1.06)}.scroll-down{background:var(--surface-dark);color:#fff;width:46px;height:46px;transition:transform .2s var(--ease), background .2s var(--ease);border:none;border-radius:50%;font-size:16px;position:absolute;bottom:28px;left:50%;transform:translate(-50%);box-shadow:0 6px 18px #14120f38}.scroll-down:hover{background:#000;transform:translate(-50%)translateY(-3px)}.cluster{opacity:0;animation:cluster-in .54s var(--ease) forwards;grid-template-columns:1.5fr 1fr;grid-template-areas:"header header""explain eli5""explain images""videos artifact""fact fact";gap:22px;margin-bottom:110px;display:grid;transform:translateY(24px)}@keyframes cluster-in{to{opacity:1;transform:translateY(0)}}.cluster+.cluster{border-top:1px solid var(--line);margin-top:-48px;padding-top:100px}.cluster-header{flex-direction:column;grid-area:header;gap:14px;margin-bottom:8px;display:flex;position:relative}.cluster-meta{color:var(--ink-3);text-transform:uppercase;letter-spacing:.18em;align-items:center;gap:12px;font-size:10.5px;font-weight:600;display:inline-flex}.cluster-meta:before{content:"";background:var(--accent);border-radius:1px;flex-shrink:0;width:9px;height:9px;display:inline-block;transform:rotate(45deg)}.cluster-meta .cluster-index{color:var(--ink);letter-spacing:.14em;font-weight:800}.cluster-meta .cluster-time{color:var(--ink-3)}.cluster-topic{font-family:var(--font-sans);letter-spacing:-.035em;color:var(--ink);max-width:18ch;margin:0;font-size:52px;font-weight:800;line-height:1.02}.cluster-topic .accent{color:var(--accent);font-style:italic;font-weight:800}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);padding:26px 28px;position:relative}.card:hover{box-shadow:var(--shadow-lift);transform:translateY(-3px)}.card .card-title{border-radius:var(--r-pill);background:var(--bg-rail);color:var(--ink);letter-spacing:.18em;text-transform:uppercase;border:1px solid var(--line);align-items:center;height:24px;margin:0 0 18px;padding:5px 12px;font-size:10px;font-weight:700;line-height:1;display:inline-flex}.card .card-body{color:var(--ink);font-size:14.5px}.card-body h2{font-family:var(--font-sans);color:var(--ink);letter-spacing:-.015em;margin:0 0 12px;font-size:18px;font-weight:800}.card-body h3{text-transform:uppercase;letter-spacing:.14em;color:var(--ink-3);margin:20px 0 10px;font-size:11px;font-weight:700}.card-body h3:first-child{margin-top:0}.card-body p{margin:0 0 14px}.card-body p:last-child{margin-bottom:0}.card-body ul,.card-body ol{margin:0 0 14px;padding-left:22px}.card-body li{margin-bottom:7px;line-height:1.7}.card-body strong{color:var(--ink);font-weight:700}.card-body em{color:var(--accent);font-style:italic;font-weight:500}.card-explain{border-radius:20px;grid-area:explain;padding:32px 36px}.card-explain .card-body{max-width:68ch;color:var(--ink);font-size:16px;line-height:1.75}.card-explain .card-body p{margin-bottom:16px}.card-images{grid-area:images;grid-template-columns:1fr;align-self:start;gap:16px;display:grid}.card-image{border-radius:16px;padding:8px;overflow:hidden}.card-image img{border-radius:10px;width:100%;display:block}.card-image-clickable{cursor:zoom-in}.lightbox-overlay{z-index:2000;animation:lightbox-in .16s var(--ease) both;background:#000000e0;place-items:center;padding:24px;display:grid;position:fixed;inset:0}@keyframes lightbox-in{0%{opacity:0}to{opacity:1}}.lightbox-img{object-fit:contain;max-width:100%;max-height:100%;animation:lightbox-img-in .2s var(--ease) both;border-radius:10px;box-shadow:0 24px 64px #0009}@keyframes lightbox-img-in{0%{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}.card-videos{grid-area:videos;grid-template-columns:1fr 1fr;align-content:start;gap:16px;display:grid}.card-video{color:inherit;border-radius:16px;padding:0;text-decoration:none;display:block;overflow:hidden}.card-video .video-content{display:block}.card-video img{aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--line);width:100%;display:block}.card-video .video-title{letter-spacing:-.01em;color:var(--ink);padding:16px 18px 18px;font-size:14px;font-weight:700;line-height:1.35}.card-video-thumb{cursor:pointer}.video-thumb-wrap{line-height:0;position:relative}.video-play-btn{color:#fff;pointer-events:none;width:40px;height:40px;transition:transform .22s var(--ease), box-shadow .22s var(--ease);background:#f03;border-radius:999px;place-items:center;padding-left:2px;font-size:14px;display:grid;position:absolute;inset:auto auto 12px 12px;box-shadow:0 6px 18px #ff003373,0 0 0 3px #ffffffeb}.card-video-thumb:hover .video-play-btn{transform:scale(1.1);box-shadow:0 8px 22px #ff00338c,0 0 0 3px #fff}.video-embed{aspect-ratio:16/9;border:none;border-radius:16px;width:100%;display:block}.card-eli5{background:var(--surface);grid-area:eli5;align-self:start}.card-eli5 .card-title{background:var(--accent-yellow);color:var(--ink);border-color:var(--ink)}.card-fact{background:var(--surface-dark);color:#fff;text-align:left;max-width:92%;transition:transform .22s var(--ease), box-shadow .22s var(--ease);border:none;border-radius:999px;grid-area:fact;justify-self:center;align-items:center;gap:16px;padding:16px 14px 16px 30px;display:inline-flex;box-shadow:0 4px 8px #14120f1a,0 16px 36px #14120f38}.card-fact:after{content:"";background:var(--accent);background-image:radial-gradient(circle at 38% 38%,#ff7e4a 0%,#e8612a 70%);border-radius:50%;flex-shrink:0;width:38px;height:38px;margin-left:auto;box-shadow:inset 0 -2px 4px #0000002e}.card-fact:hover{transform:translateY(-3px);box-shadow:0 6px 12px #14120f29,0 24px 50px #14120f47}.card-fact .card-title{color:var(--accent);background:#e8612a2e;border-color:#e8612a4d;flex-shrink:0;margin:0;padding:5px 11px}.card-fact .card-body{color:#fff;font-size:14px;font-weight:500;line-height:1.5;display:inline}.card-artifact{border:1px solid var(--line-strong);background:var(--bg-rail);border-radius:20px;flex-direction:column;grid-area:artifact;gap:14px;display:flex}.card-artifact:hover{background:var(--surface)}.artifact-options{flex-wrap:wrap;gap:8px;display:flex}.artifact-btn{border:1px solid var(--ink);border-radius:var(--r-pill);background:var(--surface);color:var(--ink);transition:background .18s var(--ease), color .18s var(--ease), transform .18s var(--ease);align-items:center;gap:6px;padding:8px 16px;font-size:12.5px;font-weight:600;display:inline-flex}.artifact-btn:hover{background:var(--accent-yellow);transform:translateY(-1px)}.artifact-btn.is-active{background:var(--ink);color:#fff;border-color:var(--ink)}.artifact-input{background:var(--surface);border:1px solid var(--ink);border-radius:var(--r-pill);align-items:center;gap:8px;margin-top:4px;padding:5px 5px 5px 18px;display:none}.artifact-input.is-open{display:flex}.artifact-input input{color:var(--ink);background:0 0;border:none;outline:none;flex:1;padding:7px 0;font-size:13.5px}.artifact-input input::placeholder{color:var(--ink-3)}.artifact-input .sendbtn{border-radius:var(--r-pill);background:var(--ink);color:#fff;letter-spacing:.05em;text-transform:uppercase;flex-shrink:0;width:auto;min-width:0;height:34px;padding:0 18px;font-size:12px;font-weight:700}.artifact-input .sendbtn:after{display:none}.artifact-results{flex-direction:column;grid-column:1/-1;gap:18px;display:flex}.card-artifact-result{padding:26px 28px}.card-artifact-result .card-title{background:var(--accent-soft);color:var(--accent);border-color:var(--accent-soft)}.card-artifact-result-images{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.card-artifact-result-videos{grid-template-columns:1fr 1fr;gap:16px;display:grid}.skel{background:linear-gradient(90deg,#ede6d2 0%,#f6efdc 50%,#ede6d2 100%) 0 0/200% 100%;border-radius:8px;min-height:14px;animation:1.8s ease-in-out infinite skel-pulse}.skel+.skel{margin-top:8px}@keyframes skel-pulse{0%{background-position:200% 0}to{background-position:-200% 0}}.sidecar{border-left:1px solid var(--line);background:0 0;grid-template-rows:auto 1fr auto;height:100%;display:grid}.tabs{background:var(--bg-rail);border:1px solid var(--ink);border-radius:var(--r-pill);align-self:flex-start;gap:2px;width:fit-content;margin:22px 20px 16px;padding:4px;display:inline-flex}.tab{border-radius:var(--r-pill);letter-spacing:.16em;color:var(--ink-2);transition:background .2s var(--ease), color .2s var(--ease);background:0 0;padding:8px 24px;font-size:11px;font-weight:800}.tab:hover{color:var(--ink)}.tab.is-active{background:var(--surface-dark);color:#fff}.chat{flex-direction:column;gap:16px;padding:4px 20px 18px;display:flex;overflow-y:auto}.chat.is-hidden{display:none}.chat-msg{font-size:13.5px;line-height:1.55}.chat-msg.user{background:var(--accent-yellow);border:1px solid var(--ink);color:var(--ink);border-radius:18px 18px 4px;align-self:flex-end;max-width:88%;padding:10px 16px;font-weight:500}.chat-msg.assistant{color:var(--ink-2);align-self:flex-start;max-width:100%;font-size:13.5px}.composer{border-top:1px solid var(--line);background:0 0;flex-direction:column;gap:12px;padding:16px 20px 20px;display:flex}.composer.is-hidden{display:none}.composer textarea{resize:none;border:1px solid var(--ink);background:var(--surface);max-height:160px;color:var(--ink);transition:border-color .18s var(--ease), box-shadow .18s var(--ease);border-radius:18px;outline:none;padding:14px 16px;font-size:14px;line-height:1.5}.composer textarea::placeholder{color:var(--ink-3)}.composer textarea:focus{border-color:var(--ink);box-shadow:0 0 0 4px #14120f0f}.composer-row{align-items:center;gap:6px;display:flex}.iconbtn{border:1px solid var(--ink);background:var(--surface);width:38px;height:38px;color:var(--ink);transition:background .18s var(--ease), color .18s var(--ease), transform .18s var(--ease);border-radius:50%;place-items:center;display:grid}.iconbtn:hover{background:var(--accent-yellow);transform:translateY(-1px)}.iconbtn.is-recording{background:var(--accent);border-color:var(--accent);color:#fff}.sendbtn{border-radius:var(--r-pill);background:var(--surface-dark);color:#fff;min-width:64px;height:38px;transition:background .18s var(--ease), transform .18s var(--ease);justify-content:center;align-items:center;gap:8px;margin-left:auto;padding:0 18px;font-size:14px;font-weight:800;display:inline-flex;position:relative}.sendbtn:after{content:"";background:var(--accent);border-radius:50%;width:8px;height:8px}.sendbtn:hover:not(:disabled){background:#000;transform:translateY(-1px)}.sendbtn:disabled{opacity:.4;cursor:not-allowed}.followup-toggle{border-radius:var(--r-pill);border:1px solid var(--line-strong);background:var(--surface);color:var(--ink-2);max-width:100%;transition:background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);align-self:flex-start;align-items:center;gap:6px;padding:7px 14px;font-size:12px;font-weight:600;display:flex}.followup-toggle:hover:not(:disabled){background:var(--bg-rail);color:var(--ink);border-color:var(--ink)}.followup-toggle:disabled{opacity:.45;cursor:not-allowed}.followup-toggle.is-on{background:var(--accent);color:#fff;border-color:var(--accent)}.followup-toggle.is-on:hover:not(:disabled){background:var(--accent-deep);border-color:var(--accent-deep)}.followup-toggle.is-hidden{display:none}.followup-icon{font-weight:800}.followup-label{text-overflow:ellipsis;white-space:nowrap;max-width:240px;overflow:hidden}.canvas.is-quiz-active .canvas-scroll{filter:blur(7px);pointer-events:none;-webkit-user-select:none;user-select:none;transition:filter .32s var(--ease)}.canvas.is-quiz-active:after{content:"";z-index:4;pointer-events:none;background:#fbf8f18c;position:absolute;inset:0}.quiz-card{background:var(--surface);border:1px solid var(--ink);box-shadow:var(--shadow-card);border-radius:20px;flex-direction:column;gap:16px;padding:24px;animation:.25s quiz-enter;display:flex}@keyframes quiz-enter{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.quiz-question{color:var(--ink);letter-spacing:-.01em;font-size:16px;font-weight:800;line-height:1.4}.quiz-options{flex-direction:column;gap:9px;display:flex}.quiz-option{border:1px solid var(--line-strong);text-align:left;background:var(--bg-canvas);cursor:pointer;transition:border-color .18s var(--ease), background .18s var(--ease), transform .18s var(--ease);color:var(--ink);border-radius:14px;align-items:center;gap:12px;padding:12px 14px;font-size:13.5px;font-weight:500;line-height:1.4;display:flex}.quiz-option:hover:not(:disabled){border-color:var(--ink);background:var(--accent-yellow-soft);transform:translateY(-1px)}.quiz-option:disabled{cursor:default}.quiz-option-key{background:var(--surface-dark);color:#fff;letter-spacing:.04em;width:28px;height:28px;transition:background .18s var(--ease), color .18s var(--ease);border-radius:8px;flex-shrink:0;place-items:center;font-size:11px;font-weight:800;display:grid}.quiz-option.is-correct{background:#ecfdf5;border-color:#16a34a}.quiz-option.is-correct .quiz-option-key{color:#fff;background:#16a34a}.quiz-option.is-wrong{background:#fef2f2;border-color:#dc2626}.quiz-option.is-wrong .quiz-option-key{color:#fff;background:#dc2626}.quiz-feedback{border-radius:12px;align-items:flex-start;gap:10px;padding:12px 14px;font-size:13px;line-height:1.5;display:flex}.quiz-feedback.is-correct{color:#14532d;background:#ecfdf5;border:1px solid #16a34a}.quiz-feedback.is-wrong{color:#7f1d1d;background:#fef2f2;border:1px solid #dc2626}.quiz-result-icon{flex-shrink:0;margin-top:1px;font-size:15px;font-weight:800}.quiz-actions{justify-content:flex-end;display:flex}.quiz-next-btn{background:var(--surface-dark);color:#fff;border-radius:var(--r-pill);letter-spacing:.04em;text-transform:uppercase;transition:background .2s var(--ease), transform .2s var(--ease);align-items:center;gap:10px;padding:10px 22px;font-size:12.5px;font-weight:800;display:inline-flex}.quiz-next-btn:after{content:"";background:var(--accent);border-radius:50%;width:8px;height:8px}.quiz-next-btn:hover{background:#000;transform:translateY(-1px)}.quiz-error-msg{color:var(--ink-2);font-size:13px}.quiz-retry-btn{border:1px solid var(--line-strong);border-radius:var(--r-pill);background:var(--surface);color:var(--ink);margin-left:6px;padding:5px 14px;font-size:12px;font-weight:700}.quiz-retry-btn:hover{background:var(--bg-rail)}.cluster.is-focused .card-explain{box-shadow:var(--shadow-card), 0 0 0 2px var(--accent-soft), 0 0 0 3px var(--accent)}.cluster.is-focused{position:relative}.cluster.is-focused:before{content:"↳ in focus";letter-spacing:.16em;text-transform:uppercase;color:#fff;background:var(--accent);border-radius:var(--r-pill);border:1px solid var(--accent);z-index:2;padding:5px 12px;font-size:10px;font-weight:800;position:absolute;top:-14px;left:0}.card-menu-btn{letter-spacing:1px;width:28px;height:28px;color:var(--ink-3);opacity:0;transition:opacity .16s var(--ease), background .16s var(--ease), color .16s var(--ease);z-index:2;background:0 0;border-radius:8px;place-items:center;padding:0;font-size:14px;font-weight:800;line-height:1;display:grid;position:absolute;top:12px;right:12px}.card:hover .card-menu-btn{opacity:1}.card-menu-btn:hover{background:var(--bg-rail);color:var(--ink)}.card-menu-btn.is-active{opacity:1;background:var(--bg-rail);color:var(--ink)}.card-image .card-menu-btn,.card-video .card-menu-btn{-webkit-backdrop-filter:blur(6px);color:var(--ink);background:#ffffffeb}.card-image:hover .card-menu-btn,.card-video:hover .card-menu-btn{opacity:1}.card-fact .card-menu-btn{color:#ffffffa6;background:#ffffff14;right:60px}.card-fact .card-menu-btn:hover{color:#fff;background:#ffffff2e}.card-fact:hover .card-menu-btn{opacity:1}.card-menu-dropdown{background:var(--surface);border:1px solid var(--ink);box-shadow:var(--shadow-lift);z-index:1000;border-radius:14px;min-width:168px;padding:5px;display:none;position:fixed}.card-menu-dropdown.is-open{display:block}.card-menu-item{text-align:left;width:100%;color:var(--ink);transition:background .14s var(--ease);border-radius:9px;padding:9px 13px;font-size:13px;font-weight:500;display:block}.card-menu-item:hover{background:var(--bg-rail)}.card-menu-item--delete{color:#dc2626}.card-menu-item--delete:hover{background:#fef2f2}.copy-toast{background:var(--surface-dark);color:#fff;border-radius:var(--r-pill);opacity:0;transition:opacity .22s var(--ease), transform .22s var(--ease);pointer-events:none;z-index:1100;white-space:nowrap;align-items:center;gap:10px;padding:11px 26px;font-size:13px;font-weight:600;display:inline-flex;position:fixed;bottom:36px;left:50%;transform:translate(-50%)translateY(8px);box-shadow:0 10px 30px #00000038}.copy-toast:before{content:"";background:var(--accent);border-radius:50%;width:8px;height:8px}.copy-toast.is-visible{opacity:1;transform:translate(-50%)translateY(0)}.canvas-scroll::-webkit-scrollbar{width:10px}.chat::-webkit-scrollbar{width:10px}.canvas-scroll::-webkit-scrollbar-track{background:0 0}.chat::-webkit-scrollbar-track{background:0 0}.canvas-scroll::-webkit-scrollbar-thumb{background:var(--line-strong);border:2px solid var(--bg-canvas);border-radius:999px}.chat::-webkit-scrollbar-thumb{background:var(--line-strong);border:2px solid var(--bg-canvas);border-radius:999px}.canvas-scroll::-webkit-scrollbar-thumb:hover{background:var(--ink-3)}.chat::-webkit-scrollbar-thumb:hover{background:var(--ink-3)}.shell{grid-template-columns:var(--shell-sidebar-w) 1fr;height:calc(100vh - calc(var(--frame-pad) * 2));margin:var(--frame-pad);background:var(--bg-canvas);border-radius:var(--r-frame);border:1px solid var(--line-strong);box-shadow:var(--shadow-frame);display:grid;position:relative;overflow:hidden}.shell-sidebar{border-right:1px solid var(--line);background:0 0;flex-direction:column;gap:24px;padding:22px 18px;display:flex;overflow-y:auto}.shell-search{background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--r-pill);color:var(--ink-3);transition:border-color .16s var(--ease), background .16s var(--ease);align-items:center;gap:8px;padding:8px 12px;display:flex}.shell-search:focus-within{border-color:var(--ink);color:var(--ink);background:#fff}.shell-search svg{flex-shrink:0}.shell-search input{letter-spacing:.12em;text-transform:uppercase;color:var(--ink);background:0 0;border:none;outline:none;flex:1;font-size:11px;font-weight:700}.shell-search input::placeholder{color:var(--ink-3)}.shell-nav{flex-direction:column;gap:2px;display:flex}.shell-nav-section{letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3);justify-content:space-between;align-items:center;margin-top:12px;padding:4px 12px;font-size:11px;font-weight:800;display:flex}.shell-nav-section .shell-nav-section-add{width:22px;height:22px;color:var(--ink-3);transition:background .16s var(--ease), color .16s var(--ease);border-radius:6px;place-items:center;display:grid}.shell-nav-section .shell-nav-section-add:hover{background:var(--bg-rail);color:var(--ink)}.shell-nav-item{border-radius:var(--r-soft);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);transition:background .16s var(--ease), color .16s var(--ease);align-items:center;gap:12px;padding:9px 12px;font-size:12.5px;font-weight:700;display:flex}.shell-nav-item:hover{background:var(--bg-rail);color:var(--ink)}.shell-nav-item.is-active{background:var(--ink);color:#fff}.shell-nav-sublist{flex-direction:column;gap:1px;padding:2px 0 0 4px;display:flex}.shell-nav-subitem{color:var(--ink-2);transition:background .16s var(--ease), color .16s var(--ease);border-radius:10px;align-items:center;gap:8px;padding:7px 12px;font-size:13px;font-weight:500;display:flex}.shell-nav-subitem:hover{background:var(--bg-rail);color:var(--ink)}.shell-nav-subitem.is-active{background:var(--bg-rail);color:var(--ink);font-weight:700}.shell-content{grid-template-rows:auto 1fr;min-width:0;display:grid}.shell-topbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:22px 40px 18px;display:flex}.shell-wordmark{font-family:var(--font-serif);letter-spacing:-.02em;color:var(--ink);font-size:38px;font-style:italic;line-height:1}.shell-main{padding:28px 40px 60px;overflow-y:auto}.shell-create-project{gap:6px;padding:6px 12px;display:flex}.shell-create-project input{background:var(--surface);border:1px solid var(--ink);border-radius:8px;outline:none;flex:1;padding:6px 10px;font-size:13px}.boards-page-header{justify-content:space-between;align-items:center;margin-bottom:28px;display:flex}.boards-page-title{font-family:var(--font-serif);letter-spacing:-.02em;color:var(--ink);margin:0;font-size:36px;font-style:italic;line-height:1}.boards-create-btn{border-radius:var(--r-pill);background:var(--accent);color:#fff;letter-spacing:.05em;text-transform:uppercase;border:1px solid var(--accent);transition:background .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease);align-items:center;gap:8px;padding:11px 20px;font-size:12.5px;font-weight:800;display:inline-flex;box-shadow:0 2px 6px #e8612a40,0 10px 24px #e8612a2e}.boards-create-btn:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:0 4px 10px #b145174d,0 14px 30px #b1451733}.boards-create-btn:disabled{opacity:.6;cursor:not-allowed}.board-name-overlay{z-index:1000;animation:fadein .12s var(--ease) both;background:#14120c73;place-items:center;display:grid;position:fixed;inset:0}@keyframes fadein{0%{opacity:0}to{opacity:1}}.board-name-dialog{background:var(--bg-canvas);border:1px solid var(--line-strong);border-radius:var(--r-card);box-shadow:var(--shadow-lift);width:380px;max-width:calc(100vw - 32px);animation:dialog-in .16s var(--ease) both;padding:28px 28px 24px}@keyframes dialog-in{0%{opacity:0;transform:translateY(8px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}.board-name-label{font-family:var(--font-serif);color:var(--ink);margin:0 0 14px;font-size:22px;font-style:italic}.board-name-input{border:1.5px solid var(--line-strong);border-radius:var(--r-soft);background:var(--surface);width:100%;font-family:var(--font-sans);color:var(--ink);box-sizing:border-box;transition:border-color .15s var(--ease);outline:none;padding:10px 14px;font-size:14px}.board-name-input:focus{border-color:var(--accent)}.board-name-input::placeholder{color:var(--ink-3)}.board-name-actions{justify-content:flex-end;gap:8px;margin-top:16px;display:flex}.board-name-cancel{border-radius:var(--r-pill);border:1px solid var(--line-strong);color:var(--ink-2);transition:background .15s var(--ease);background:0 0;padding:9px 18px;font-size:13px;font-weight:600}.board-name-cancel:hover{background:var(--line)}.board-name-confirm{border-radius:var(--r-pill);background:var(--accent);color:#fff;transition:background .15s var(--ease), transform .15s var(--ease);border:none;padding:9px 20px;font-size:13px;font-weight:700;box-shadow:0 2px 6px #e8612a4d}.board-name-confirm:hover{background:var(--accent-deep);transform:translateY(-1px)}.boards-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px;display:grid}.board-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);transition:transform .2s var(--ease), box-shadow .2s var(--ease);overflow:hidden}.board-card:hover,.board-card.is-pinned{box-shadow:var(--shadow-lift);transform:translateY(-3px)}.board-card-thumb{aspect-ratio:16/10;background:var(--bg-rail);border-bottom:1px solid var(--line);display:block;overflow:hidden}.board-card-thumb img{object-fit:cover;object-position:top center;width:100%;height:100%;display:block}.board-card-thumb--empty{background:linear-gradient(135deg, var(--bg-rail), var(--surface));place-items:center;width:100%;height:100%;display:grid}.board-card-thumb--empty span{font-family:var(--font-serif);color:var(--accent);opacity:.55;font-size:44px;font-style:italic;line-height:1}.board-card-body{align-items:flex-start;gap:8px;padding:12px 14px 14px;display:flex}.board-card-text{flex:1;min-width:0}.board-card-name{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;cursor:pointer;font-size:14.5px;font-weight:600;display:block;overflow:hidden}a.board-card-name:hover{color:var(--accent)}.board-card-date{color:var(--ink-3);margin-top:3px;font-size:12.5px}.board-card-text input{width:100%;font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--ink);border-radius:8px;outline:none;padding:4px 8px;font-weight:600}.board-card-actions{opacity:0;transition:opacity .16s var(--ease);flex-shrink:0;align-items:center;gap:4px;display:flex}.board-card:hover .board-card-actions,.board-card-actions.is-pinned{opacity:1}.boards-row-star{width:30px;height:30px;color:var(--ink-3);transition:background .14s var(--ease), color .14s var(--ease);border-radius:8px;place-items:center;display:grid}.boards-row-star:hover{background:var(--bg-rail);color:var(--ink)}.boards-row-star.is-on{color:var(--accent)}.boards-row-star.is-on svg{fill:var(--accent)}.boards-row-menu{width:30px;height:30px;color:var(--ink-3);transition:background .14s var(--ease), color .14s var(--ease);border-radius:8px;place-items:center;display:grid}.boards-row-menu:hover{background:var(--bg-rail);color:var(--ink)}.boards-empty{text-align:center;color:var(--ink-3);place-items:center;gap:14px;padding:80px 0;display:grid}.boards-empty-title{color:var(--ink-2);font-size:18px;font-weight:700}.boards-empty-msg{font-size:13px}.projects-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px;display:grid}.project-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);transition:transform .2s var(--ease), box-shadow .2s var(--ease);flex-direction:column;gap:8px;padding:22px 24px;display:flex}.project-card:hover{box-shadow:var(--shadow-lift);transform:translateY(-3px)}.project-card-icon{color:var(--accent)}.project-card-name{color:var(--ink);margin:0;font-size:16px;font-weight:700}.project-card-meta{color:var(--ink-3);font-size:12px}.dropdown{background:var(--surface);border:1px solid var(--ink);box-shadow:var(--shadow-lift);z-index:1000;border-radius:14px;min-width:180px;padding:5px;position:fixed}.dropdown-item{text-align:left;width:100%;color:var(--ink);transition:background .14s var(--ease);border-radius:9px;padding:9px 13px;font-size:13px;font-weight:500;display:block}.dropdown-item:hover{background:var(--bg-rail)}.dropdown-item--danger{color:#dc2626}.dropdown-item--danger:hover{background:#fef2f2}.landing{place-items:center;min-height:100vh;padding:40px 24px;display:grid}.landing-card{background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--r-frame);text-align:center;max-width:560px;box-shadow:var(--shadow-frame);padding:56px 48px}.landing-title{font-family:var(--font-serif);letter-spacing:-.02em;margin:0 0 14px;font-size:60px;font-style:italic;line-height:1}.landing-subtitle{color:var(--ink-2);margin:0 0 32px;font-size:16px}.landing-actions{justify-content:center;gap:12px;display:flex}.landing-btn{border-radius:var(--r-pill);letter-spacing:.05em;text-transform:uppercase;transition:background .18s var(--ease), transform .18s var(--ease);align-items:center;gap:8px;padding:12px 28px;font-size:13px;font-weight:800;display:inline-flex}.landing-btn--primary{background:var(--accent);color:#fff;border:1px solid var(--accent)}.landing-btn--primary:hover{background:var(--accent-deep);transform:translateY(-1px)}.landing-btn--secondary{background:var(--surface);color:var(--ink);border:1px solid var(--ink)}.landing-btn--secondary:hover{background:var(--bg-rail);transform:translateY(-1px)}.save-indicator{color:var(--ink-2);background:var(--surface);border:1px solid var(--line);z-index:200;pointer-events:none;border-radius:20px;align-items:center;gap:6px;padding:4px 10px 4px 8px;font-size:11px;animation:.12s save-fadein;display:flex;position:fixed;bottom:20px;right:24px}@keyframes save-fadein{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.save-spinner{border:1.5px solid var(--line);border-top-color:var(--ink-2);border-radius:50%;flex-shrink:0;width:10px;height:10px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.save-check{color:var(--ink-2);font-size:10px}