@keyframes tca-spin{to{transform:rotate(1turn)}}:root{--tca-blue:#0788df;--tca-blue-dark:#0b1b2d;--tca-blue-mid:#1f3852;--tca-text:#173653;--tca-muted:#61758a;--tca-line:#d8e3ec;--tca-soft:#eef5fa;--tca-card:#fff;--tca-danger:#be123c;--tca-shadow:0 18px 48px rgba(21,54,83,.14);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color-scheme:light}*{box-sizing:border-box}body,html{width:100%;height:100%;margin:0}body{background:var(--tca-soft);overflow-x:hidden}button,input{font:inherit}button{touch-action:manipulation}[hidden]{display:none!important}.tca-app{min-height:100%;background:linear-gradient(180deg,#f8fbfd 0,#edf5fa 100%)}.tca-main{min-height:calc(100dvh - 68px)}.tca-home-brand,.tca-homebar{display:flex;align-items:center}.tca-homebar{justify-content:space-between;gap:20px;background:#fff;border-bottom:1px solid var(--tca-line);box-shadow:0 4px 18px rgba(21,54,83,.06)}.tca-home-brand{text-decoration:none;color:var(--tca-text)}.tca-home-brand-mark{display:grid;place-items:center;background:linear-gradient(180deg,#20c9ee,#0577cc);font-weight:950;letter-spacing:-.04em}.tca-home-brand span:last-child{display:flex;flex-direction:column;line-height:1.15}.tca-drop-text small,.tca-home-brand small{margin-top:3px;color:var(--tca-muted)}.tca-home-privacy{display:inline-flex;align-items:center;gap:7px;border-radius:999px;background:#eaf8ef;font-size:12px;font-weight:850;border:1px solid #c9ead4}.tca-home-privacy span{font-size:9px}.tca-home{width:min(1100px,calc(100% - 32px));margin:0 auto;padding:56px 0 70px}.tca-home-card{width:min(760px,100%);margin:0 auto;padding:42px clamp(22px,5vw,56px) 34px;background:#fff;border:1px solid var(--tca-line);border-radius:24px;box-shadow:var(--tca-shadow);text-align:center}.tca-home-copy{max-width:640px;margin:0 auto 26px}.tca-eyebrow{display:inline-block;margin-bottom:12px;color:#0577cc;font-size:12px;font-weight:950;letter-spacing:.09em}.tca-home-copy h1{margin:0;color:#0b2740;font-size:clamp(28px,4vw,44px);line-height:1.08;letter-spacing:-.035em}.tca-home-copy p{max-width:600px;margin:15px auto 0;color:var(--tca-muted);font-size:16px;line-height:1.55}.tca-dropzone{min-height:142px;display:flex;align-items:center;justify-content:center;gap:18px;padding:24px;border:2px dashed #a9c4d8;border-radius:18px;background:#f6fbfe;cursor:pointer;transition:border-color .16s ease,background .16s ease,transform .16s ease}.tca-dropzone.dragover,.tca-dropzone:hover{border-color:#0788df;background:#edf9ff;transform:translateY(-1px)}.tca-drop-icon{width:58px;height:58px;flex:0 0 58px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(180deg,#20c9ee,#0577cc);color:#fff;font-size:34px;font-weight:500;box-shadow:0 10px 22px rgba(5,119,204,.24)}.tca-drop-text{display:flex;flex-direction:column;text-align:left}.tca-drop-text strong,.tca-section-heading h2{font-size:20px;color:#0b2740}.tca-drop-text small{margin-top:5px;font-size:13px}.tca-file-types{display:flex;justify-content:center;gap:7px;margin-top:15px}.tca-file-types span{padding:5px 8px;border-radius:7px;background:#edf3f7;color:#50677b;font-size:10px;font-weight:900;letter-spacing:.03em}.tca-warning{margin-top:18px;padding:11px 13px;border-radius:11px;background:#fff4de;color:#754d00;border:1px solid #f0d18f;font-size:13px;text-align:left}.tca-recents-section{margin-top:34px}.tca-section-heading{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:13px}.tca-section-heading h2{margin:0}.tca-section-heading p{margin:4px 0 0;color:var(--tca-muted);font-size:12px}.tca-text-btn{border:0;background:0 0;color:#0577cc;font-weight:850;cursor:pointer;padding:8px}.tca-recents{display:grid;grid-template-columns:repeat(auto-fill,minmax(235px,1fr));gap:12px;align-items:stretch}.tca-recent-card{min-width:0;min-height:132px;padding:10px;background:linear-gradient(180deg,#fff,#f9fcfe);border:1px solid #d4e1ea;border-radius:14px;box-shadow:0 8px 24px rgba(21,54,83,.07);display:grid;grid-template-columns:76px minmax(0,1fr);gap:11px;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.tca-recent-card:hover{transform:translateY(-2px);border-color:#b9cfdf;box-shadow:0 12px 30px rgba(21,54,83,.11)}.tca-recent-cover{position:relative;width:76px;height:108px;padding:0;align-self:center;overflow:hidden;border:0;border-radius:7px;background:#e8f0f5;cursor:pointer;box-shadow:0 5px 13px rgba(21,54,83,.18),-4px 0 0#cbd9e3 inset}.tca-recent-cover::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:0 0 0 1px rgba(15,42,65,.12) inset;pointer-events:none}.tca-recent-preview{display:block;width:100%;height:100%;object-fit:contain;background:#fff}.tca-recent-preview-placeholder{position:absolute;inset:0;display:grid;place-items:center;align-content:center;gap:5px;background:linear-gradient(145deg,#edf5fa,#dbe8f1);color:#3b5c73;text-align:center}.tca-recent-preview-placeholder strong{font-size:13px;letter-spacing:.05em}.tca-recent-preview-placeholder span{font-size:10px;font-weight:850}.tca-recent-page-badge{position:absolute;right:4px;bottom:4px;z-index:2;padding:3px 5px;border-radius:999px;background:rgba(8,28,45,.82);font-size:8px;font-weight:900;line-height:1}.tca-recent-body{min-width:0;display:flex;flex-direction:column;padding:2px 0 0}.tca-recent-card h3{margin:0 0 5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:13px;line-height:1.25;color:#0b2740}.tca-recent-meta{display:flex;justify-content:space-between;gap:7px;color:var(--tca-muted);font-size:9px;line-height:1.25}.tca-recent-meta+.tca-recent-meta{margin-top:4px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tca-recent-actions{display:flex;gap:6px;margin-top:auto;padding-top:8px}.tca-recent-actions button{min-height:30px;border:0;border-radius:8px;padding:6px 9px;font-size:10px;font-weight:900;cursor:pointer}.tca-resume{flex:1;background:linear-gradient(180deg,#20c9ee,#0577cc);color:#fff}.tca-forget{flex:0 0 auto;min-width:48px;background:#e9f0f5;color:#456076}.tca-app.is-workspace .tca-homebar,.tca-recent-preview.is-ready+.tca-recent-preview-placeholder{display:none}.tca-muted{margin:0;color:var(--tca-muted);font-size:13px}.tca-app.is-workspace{background:#081321;overflow:hidden}.tca-app.is-workspace,.tca-app.is-workspace .tca-main{height:100dvh;min-height:0}.tca-workspace{height:100%;display:grid;grid-template-columns:210px minmax(0,1fr);background:#081321}.tca-workspace.sidebar-collapsed{grid-template-columns:0 minmax(0,1fr)}.tca-sidebar{min-width:0;overflow:hidden;display:flex;flex-direction:column;background:#102237;color:#fff;border-right:1px solid rgba(255,255,255,.08)}.tca-workspace.sidebar-collapsed .tca-sidebar{visibility:hidden}.tca-side-head{height:56px;flex:0 0 56px;display:flex;align-items:center;justify-content:space-between;padding:0 10px 0 14px;background:#0b1b2d;border-bottom:1px solid rgba(255,255,255,.1)}.tca-side-head strong{font-size:13px}.tca-boardbar button,.tca-side-close{border:0;background:#1f3852;color:#fff;cursor:pointer}.tca-side-close{width:32px;height:32px;border-radius:8px;font-size:23px}.tca-thumbnails{flex:1;overflow:auto;padding:10px}.tca-thumb{display:block;width:100%;margin:0 0 10px;padding:7px;border:2px solid transparent;border-radius:10px;background:#0a1726;color:#fff;cursor:pointer}.tca-thumb.active{border-color:#20c9ee;background:#19354f}.tca-thumb canvas{display:block;max-width:100%;height:auto;margin:auto;background:#fff;border-radius:3px}.tca-thumb span{display:block;margin-top:6px;color:#d7e4ee;text-align:center;font-size:10px}.tca-thumb-placeholder{height:118px;display:grid;place-items:center;border-radius:4px;background:#e9eef2;color:#5b6d7c;font-weight:900}.tca-board-area{min-width:0;min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr);position:relative;background:#0c1b2b}.tca-boardbar{position:relative;z-index:40;width:100%;max-width:100%;min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:4px;padding:7px 14px;background:#0b1b2d;color:#fff;overflow-x:hidden;overflow-y:visible;white-space:nowrap;box-shadow:0 2px 10px rgba(0,0,0,.22)}.tca-stamp-anchor{display:inline-flex;align-items:center;flex:0 0 auto}.tca-boardbar button{flex:0 0 auto;min-height:38px;border-radius:9px;padding:8px;font-size:12px;font-weight:900;white-space:nowrap}.tca-boardbar button:hover{background:#294965}.tca-boardbar button.is-active{background:#0788df;box-shadow:0 0 0 2px rgba(255,255,255,.72) inset,0 0 16px rgba(56,189,248,.28)}.tca-boardbar button:disabled{opacity:.42;cursor:not-allowed}.tca-boardbar .tca-pages-btn{background:#23465f}.tca-boardbar .tca-tool-mode-btn{display:inline-flex!important;align-items:center;justify-content:center;gap:5px;padding:8px 9px 8px 8px!important;background:linear-gradient(180deg,#161b22 0,#06080b 100%)!important;color:#fff!important;box-shadow:0 0 0 1px rgba(255,255,255,.12) inset,0 8px 18px rgba(0,0,0,.26)!important}.tca-boardbar .tca-tool-mode-btn:hover{background:linear-gradient(180deg,#252c34 0,#10161d 100%)!important}.tca-boardbar .tca-tool-mode-btn .tca-tool-icon{width:22px;height:22px;flex:0 0 22px;display:grid;place-items:center;border-radius:7px;background:rgba(255,255,255,.14);box-shadow:0 1px 0 rgba(255,255,255,.12) inset}.tca-boardbar .tca-icon-only-btn .tca-btn-icon svg,.tca-boardbar .tca-tool-mode-btn .tca-tool-icon svg{display:block;width:15px;height:15px;fill:none;stroke:#fff;stroke-width:2.15;stroke-linecap:round;stroke-linejoin:round}.tca-boardbar .tca-highlighter-btn .tca-tool-copy{display:flex;min-width:0;flex-direction:column;align-items:flex-start;justify-content:center;gap:1px;line-height:1}.tca-boardbar .tca-highlighter-btn .tca-tool-title{display:block;line-height:1.05}.tca-boardbar .tca-highlighter-btn .tca-highlighter-mode-label{display:block;font-size:8px;line-height:1;font-weight:800;letter-spacing:.025em;opacity:.76}.tca-boardbar .tca-tool-mode-btn.is-active{box-shadow:0 0 0 2px #fff inset,0 0 17px rgba(56,189,248,.36)!important;filter:saturate(1.1) brightness(1.04)}.tca-boardbar .tca-cursor-btn.is-active{background:linear-gradient(180deg,#22d3ee 0,#0284c7 100%)!important}.tca-boardbar .tca-cursor-btn.is-active:hover{background:linear-gradient(180deg,#4adeee 0,#0b95dc 100%)!important}.tca-boardbar .tca-pen-btn.is-active{background:linear-gradient(180deg,#4ade80 0,#059669 100%)!important}.tca-boardbar .tca-pen-btn.is-active:hover{background:linear-gradient(180deg,#6ee79a 0,#0baa79 100%)!important}.tca-boardbar .tca-eraser-btn.is-active{background:linear-gradient(180deg,#fb923c 0,#ea580c 100%)!important}.tca-boardbar .tca-eraser-btn.is-active:hover{background:linear-gradient(180deg,#fca45b 0,#f36b21 100%)!important}.tca-boardbar .tca-spot-btn.is-active{background:linear-gradient(180deg,#facc15 0,#ca8a04 100%)!important;color:#172033!important}.tca-boardbar .tca-spot-btn.is-active:hover{background:linear-gradient(180deg,#fcd74a 0,#d69b14 100%)!important}.tca-boardbar .tca-magnifier-btn.is-active{background:linear-gradient(180deg,#67e8f9 0,#0891b2 100%)!important}.tca-boardbar .tca-magnifier-btn.is-active:hover{background:linear-gradient(180deg,#8ceffc 0,#12a3c7 100%)!important}.tca-boardbar .tca-laser-btn.is-active{background:linear-gradient(180deg,#fb7185 0,#be123c 100%)!important}.tca-boardbar .tca-laser-btn.is-active:hover{background:linear-gradient(180deg,#fc8ea0 0,#cf234c 100%)!important}.tca-boardbar .tca-stamp-btn.is-active{background:linear-gradient(180deg,#a78bfa 0,#6d28d9 100%)!important}.tca-boardbar .tca-stamp-btn.is-active:hover{background:linear-gradient(180deg,#b9a2fc 0,#7d39e4 100%)!important}.tca-boardbar .tca-fullscreen-btn{background:#225071}.tca-boardbar .tca-exit{background:#be123c}.tca-boardbar .tca-spacer{display:none!important}.tca-boardbar .tca-max-btn{background:#2b4b68}.tca-boardbar button.is-confirm{background:linear-gradient(180deg,#f59e0b,#d97706);box-shadow:0 0 0 2px rgba(255,255,255,.16) inset}.tca-boardbar .tca-icon-only-btn{width:38px;min-width:38px;padding:0!important;display:grid;place-items:center}.tca-boardbar .tca-icon-only-btn .tca-btn-icon{width:18px;height:18px;display:grid;place-items:center}.tca-boardbar .tca-icon-only-btn .tca-btn-icon svg{width:18px;height:18px;stroke-width:2.1}.tca-boardbar .tca-clear-btn{background:linear-gradient(180deg,#5b7186 0,#34475b 100%);box-shadow:0 0 0 1px rgba(255,255,255,.1) inset,0 10px 20px rgba(0,0,0,.22)}.tca-boardbar .tca-clear-btn .tca-btn-icon{width:22px;height:22px;border-radius:999px;background:linear-gradient(180deg,#ff4d63 0,#d90429 100%);box-shadow:0 0 0 1px rgba(255,255,255,.28) inset,0 6px 14px rgba(217,4,41,.42)}.tca-boardbar .tca-clear-btn .tca-btn-icon svg{width:15px;height:15px;stroke:#fff;stroke-width:2.25}.tca-boardbar .tca-clear-btn:hover .tca-btn-icon{filter:brightness(1.05) saturate(1.08)}.tca-boardbar .tca-clear-btn.is-confirm{background:linear-gradient(180deg,#f59e0b,#d97706)!important;box-shadow:0 0 0 2px rgba(255,255,255,.16) inset}.tca-boardbar .tca-clear-btn.is-confirm .tca-btn-icon{background:linear-gradient(180deg,#ff6678 0,#e0002b 100%);box-shadow:0 0 0 1px rgba(255,255,255,.34) inset,0 0 18px rgba(255,45,75,.52)}.tca-boardbar.is-compact{justify-content:space-evenly;gap:3px;padding-inline:10px}.tca-boardbar.is-compact button{padding:7px;font-size:10px}.tca-boardbar.is-compact .tca-tool-mode-btn{gap:4px;padding:7px 8px 7px 7px!important}.tca-boardbar.is-compact .tca-tool-mode-btn .tca-tool-icon{width:20px;height:20px;flex:0 0 20px}.tca-boardbar.is-compact .tca-highlighter-btn .tca-highlighter-mode-label{font-size:7px}.tca-boardbar.is-compact .tca-icon-only-btn{width:36px;min-width:36px}.tca-boardbar.is-compact .tca-toolbar-page-label{display:none}.tca-boardbar.is-compact .tca-toolbar-page-jump{padding:5px 6px}.tca-boardbar.is-compact .tca-toolbar-page-jump input{width:40px}.tca-boardbar.is-compact .tca-size-control input{width:72px}.tca-boardbar.is-wrapped{justify-content:center;flex-wrap:wrap;row-gap:6px;column-gap:6px;white-space:normal;overflow-x:hidden;overflow-y:visible}.tca-boardbar.is-wrapped .tca-spacer{flex:1 1 100%;min-width:0;height:0}.tca-spot-tip{position:fixed;top:68px;left:50%;z-index:90;width:min(390px,calc(100vw - 24px));display:grid;grid-template-columns:38px minmax(0,1fr) auto;align-items:center;gap:10px;padding:11px 42px 11px 11px;border:1px solid rgba(255,255,255,.18);border-radius:14px;background:rgba(8,17,29,.97);color:#fff;box-shadow:0 18px 44px rgba(0,0,0,.38);transform:translate(-50%,-8px);opacity:0;transition:opacity .18s ease,transform .18s ease;backdrop-filter:blur(10px)}.tca-spot-tip.is-visible{opacity:1;transform:translate(-50%,0)}.tca-spot-tip-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(180deg,#facc15,#ca8a04);color:#172033;font-size:22px;font-weight:950;box-shadow:0 0 0 1px rgba(255,255,255,.25) inset}.tca-spot-tip-copy{min-width:0;line-height:1.25}.tca-spot-tip-copy strong{display:block;font-size:13px}.tca-spot-tip-copy p{margin:4px 0 0;color:#d7e4ee;font-size:11px;white-space:normal}.tca-spot-tip kbd{display:inline-grid;min-width:23px;height:23px;place-items:center;margin:0 2px;border:1px solid rgba(255,255,255,.26);border-bottom-width:2px;border-radius:6px;background:#202b38;color:#fff;font:900 12px/1 system-ui,-apple-system,"Segoe UI",sans-serif;box-shadow:0 1px 0 rgba(255,255,255,.11) inset}.tca-spot-tip-ok{min-height:32px!important;padding:6px 10px!important;border-radius:8px!important;background:#facc15!important;color:#172033!important;font-size:11px!important;font-weight:950!important}.tca-spot-tip-ok:hover{background:#fde047!important}.tca-spot-tip-close{position:absolute;top:7px;right:8px;width:28px;height:28px;min-height:28px!important;padding:0!important;border-radius:8px!important;background:0 0!important;color:#cbd5e1!important;font-size:20px!important;line-height:1!important}.tca-spot-tip-close:hover{background:rgba(255,255,255,.1)!important;color:#fff!important}@media (max-width:640px){.tca-spot-tip{top:64px;grid-template-columns:34px minmax(0,1fr);padding:10px 40px 10px 10px}.tca-spot-tip-icon{width:34px;height:34px}.tca-spot-tip-ok{grid-column:1/-1;width:100%}}.tca-color-control,.tca-size-control{flex:0 0 auto;display:flex;align-items:center;color:#fff;font-size:11px;font-weight:850;white-space:nowrap}.tca-color-button{width:34px!important;min-width:34px!important;height:30px!important;min-height:30px!important;padding:3px!important;display:grid!important;place-items:center;border:1px solid rgba(255,255,255,.24)!important;border-radius:9px!important;background:#17283a!important;cursor:pointer;box-shadow:0 1px 0 rgba(255,255,255,.08) inset}.tca-color-button:hover,.tca-color-button[aria-expanded=true]{border-color:rgba(255,255,255,.62)!important;background:#20384f!important}.tca-color-current{display:block;width:22px;height:22px;border-radius:6px;background:#ff1744;box-shadow:0 0 0 1px rgba(255,255,255,.72) inset,0 1px 4px rgba(0,0,0,.35)}.tca-color-palette{position:fixed;z-index:155;display:grid;grid-template-columns:repeat(4,34px);gap:6px;padding:8px;border:1px solid rgba(255,255,255,.2);border-radius:13px;background:rgba(11,27,45,.98);box-shadow:0 12px 28px rgba(0,0,0,.38);isolation:isolate}.tca-color-palette[hidden]{display:none!important}.tca-color-swatch{position:relative;width:34px!important;min-width:34px!important;height:34px!important;min-height:34px!important;padding:3px!important;border:1px solid rgba(255,255,255,.18)!important;border-radius:10px!important;background:#172331!important;display:grid!important;place-items:center;cursor:pointer}.tca-color-swatch:focus-visible,.tca-color-swatch:hover{border-color:#fff!important;transform:translateY(-1px)}.tca-color-swatch span{display:block;width:26px;height:26px;border-radius:7px;background:#ff1744;box-shadow:0 0 0 1px rgba(255,255,255,.48) inset,0 2px 5px rgba(0,0,0,.34)}.tca-color-swatch.is-active::after{content:"✓";position:absolute;inset:0;display:grid;place-items:center;color:#fff;font:950 18px/1 system-ui,-apple-system,"Segoe UI",sans-serif;text-shadow:0 1px 3px #000,0 0 2px #000;pointer-events:none}.tca-color-button[data-current-color="#ff1744"] 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auto;margin:0}}.tca-magnifier{will-change:width,height,left,top}.tca-magnifier-canvas{will-change:width,height}.tca-side-actions{display:flex;align-items:center;gap:6px;min-width:0}.tca-boardbar .tca-bookmark-toolbar-btn{width:38px;min-width:38px;padding:0!important;display:grid;place-items:center;background:linear-gradient(180deg,#25384b 0,#132131 100%)!important;box-shadow:0 0 0 1px rgba(255,255,255,.12) inset,0 8px 18px rgba(0,0,0,.24)!important}.tca-boardbar .tca-bookmark-toolbar-btn .tca-btn-icon{display:grid;place-items:center;width:100%;height:100%;font-size:18px;line-height:1;color:#eaf4ff}.tca-boardbar .tca-bookmark-toolbar-btn:hover{background:linear-gradient(180deg,#314a61 0,#192c40 100%)!important}.tca-boardbar .tca-bookmark-toolbar-btn.is-active{background:linear-gradient(180deg,#ffe27a 0,#f3b61f 100%)!important;box-shadow:0 0 0 2px rgba(255,255,255,.84) inset,0 0 16px rgba(243,182,31,.34)!important}.tca-boardbar .tca-bookmark-toolbar-btn.is-active .tca-btn-icon{color:#172033}.tca-boardbar.is-compact .tca-bookmark-toolbar-btn{width:36px;min-width:36px}.tca-bookmark-filter{min-height:28px!important;padding:5px 8px!important;border:1px solid rgba(255,255,255,.16)!important;border-radius:8px!important;background:#172b41!important;color:#d7e4ee!important;font-size:10px!important;font-weight:900!important;line-height:1!important}.tca-bookmark-filter:hover{background:#213d59!important}.tca-bookmark-filter.is-active{background:#f3b61f!important;color:#172033!important;border-color:#ffe08a!important;box-shadow:0 0 0 1px rgba(255,255,255,.28) inset!important}.tca-thumbnails-empty{padding:18px 8px;color:#b8c7d5;text-align:center;font-size:11px;line-height:1.45}.tca-thumb{position:relative}.tca-thumb-bookmark,.tca-thumb[hidden]{display:none!important}.tca-thumb-bookmark{position:absolute!important;top:10px;right:10px;z-index:4;width:24px;height:24px;margin:0!important;border-radius:999px;background:rgba(10,23,38,.84);color:#ffd54a!important;font-size:16px!important;line-height:24px!important;text-align:center!important;box-shadow:0 1px 5px rgba(0,0,0,.38)}.tca-thumb.is-bookmarked .tca-thumb-bookmark{display:block!important}.tca-page-position{display:flex;align-items:center;gap:5px}.tca-pagebar .tca-bookmark-page{width:24px;min-width:24px;height:24px;min-height:24px;padding:0!important;border-radius:999px!important;font-size:16px!important;line-height:1!important;opacity:.76}.tca-pagebar .tca-bookmark-page.is-active{background:#f3b61f!important;color:#172033!important;border-color:#ffe08a!important;opacity:1;box-shadow:0 0 0 1px rgba(255,255,255,.24) inset,0 2px 8px rgba(0,0,0,.24)}.tca-boardbar .tca-focus-btn.is-active,.tca-boardbar .tca-highlighter-btn.is-active{background:var(--tca-selected-color,#ff1744)!important;color:#fff!important}.tca-boardbar .tca-focus-btn.is-active:hover,.tca-boardbar .tca-highlighter-btn.is-active:hover{background:var(--tca-selected-color,#ff1744)!important;filter:brightness(1.12) saturate(1.08)}.tca-boardbar .tca-focus-btn.is-active .tca-tool-icon svg,.tca-boardbar .tca-highlighter-btn.is-active .tca-tool-icon svg{stroke:#fff!important}.tca-stage[data-tool=highlighter],.tca-stage[data-tool=highlighter] *,.tca-viewer[data-tool=highlighter],.tca-viewer[data-tool=highlighter] *{cursor:url(cursor-highlighter.png)6 28,pointer!important}.tca-stage[data-tool=focus] #tca-annotation-canvas,.tca-viewer[data-tool=focus] .tca-max-page-shell{cursor:crosshair!important}.tca-temporary-canvas{position:absolute;inset:0;z-index:7;display:block;width:100%;height:100%;pointer-events:none}@media (max-width:700px){.tca-bookmark-filter{padding:4px 6px!important;font-size:9px!important}.tca-side-head{padding-left:10px}}@media (max-width:780px){.tca-app.is-workspace .tca-boardbar{flex-flow:row nowrap!important;justify-content:flex-start!important;min-height:54px!important;padding:6px 8px!important;gap:4px!important;overflow-x:auto!important;overflow-y:hidden!important;scroll-snap-type:x proximity!important;scrollbar-width:thin;scrollbar-color:#38bdf8 rgba(255,255,255,.1);-webkit-overflow-scrolling:touch!important}.tca-app.is-workspace .tca-boardbar>*{flex:0 0 auto!important;scroll-snap-align:start}.tca-app.is-workspace .tca-boardbar button{min-height:38px!important}.tca-app.is-workspace .tca-boardbar button.tca-tool-mode-btn{min-height:38px!important;padding:7px 8px 7px 7px!important;gap:4px!important;font-size:10px!important}.tca-app.is-workspace .tca-boardbar button.tca-icon-only-btn{width:38px!important;min-width:38px!important;max-width:38px!important;height:38px!important}.tca-app.is-workspace .tca-boardbar .tca-tool-mode-btn>span:not(.tca-tool-icon):not(.tca-tool-copy),.tca-app.is-workspace .tca-boardbar .tca-tool-title{display:inline-block!important}.tca-app.is-workspace .tca-mobile-zoom-group{display:flex!important;flex:0 0 auto!important;align-items:center!important;justify-content:center!important;min-width:max-content!important;gap:4px!important}.tca-app.is-workspace .tca-fullscreen-btn,.tca-app.is-workspace .tca-toolbar-page-label{display:none!important}.tca-app.is-workspace .tca-toolbar-page-jump{min-height:38px!important;padding:5px 6px!important}.tca-app.is-workspace .tca-toolbar-page-jump input{width:38px!important;min-width:38px!important;height:27px!important;font-size:12px!important}.tca-app.is-workspace .tca-size-control input[type=range]{width:76px!important}.tca-app.is-workspace .tca-size-control .tca-size-shortcut{display:block!important}.tca-app.is-workspace{--tca-safe-area-top:env(safe-area-inset-top,0px);--tca-safe-area-left:env(safe-area-inset-left,0px);--tca-safe-area-right:env(safe-area-inset-right,0px);padding-top:var(--tca-safe-area-top);padding-left:var(--tca-safe-area-left);padding-right:var(--tca-safe-area-right);background:#000}.tca-app.is-workspace .tca-main{height:calc(100dvh - var(--tca-safe-area-top))}}@media (max-width:700px){.tca-app.is-workspace .tca-workspace{position:relative}.tca-app.is-workspace .tca-sidebar{top:54px}}@media (min-width:701px) and (max-width:780px){.tca-app.is-workspace .tca-sidebar{top:54px}}.tca-stage{backface-visibility:hidden;transform:translate3d(0,0,0)}.tca-stage.tca-page-enter-next{opacity:1;transform:translate3d(0,8px,0)}.tca-stage.tca-page-enter-prev{opacity:1;transform:translate3d(0,-8px,0)}.tca-stage.tca-page-transition-fit{transition:transform .18s cubic-bezier(.2,.72,.2,1)}.tca-stage.tca-page-enter-active{opacity:1;transform:translate3d(0,0,0)}.tca-viewer.tca-max-flow-mode .tca-max-page-shell.is-near{content-visibility:visible}.tca-viewer.tca-max-flow-mode .tca-max-page-shell,.tca-viewer.tca-max-flow-mode .tca-max-page-shell canvas{overflow-anchor:none;backface-visibility:hidden}@media (min-width:761px){body,body.tca-home-third-row,html{height:100%!important;overflow:hidden!important;overscroll-behavior:none!important}.tca-app:not(.is-workspace),.tca-app:not(.is-workspace) .tca-main,.tca-app:not(.is-workspace).tca-home-third-row,.tca-app:not(.is-workspace).tca-home-third-row .tca-main{height:100dvh!important;min-height:0!important;overflow:hidden!important}html.tca-embedded .tca-app:not(.is-workspace),html.tca-embedded .tca-app:not(.is-workspace) .tca-main{height:100%!important}.tca-app:not(.is-workspace) .tca-home,.tca-app:not(.is-workspace).tca-home-third-row .tca-home,html.tca-embedded .tca-app:not(.is-workspace) .tca-home,html.tca-embedded .tca-app:not(.is-workspace).tca-home-third-row .tca-home{width:min(1700px,calc(100% - 36px))!important;height:100%!important;min-height:0!important;padding:8px 0 38px!important;grid-template-rows:auto minmax(0,1fr)!important;gap:9px!important;overflow:hidden!important;overscroll-behavior:none!important;scrollbar-gutter:auto!important}.tca-app:not(.is-workspace){background:linear-gradient(180deg,var(--ild-page-bg-2) 0%,var(--ild-page-bg) 100%)!important}html[data-bs-theme=dark] .tca-app:not(.is-workspace){background:linear-gradient(180deg,#0f172a 0,#07111d 100%)!important}.tca-app:not(.is-workspace) .tca-home-card{padding:8px 28px 4px!important;background:var(--ild-surface)!important}.tca-app:not(.is-workspace) .tca-home-card::after{display:none!important;content:none!important}.tca-app:not(.is-workspace) .tca-home-copy{margin-bottom:4px!important}.tca-app:not(.is-workspace) .tca-eyebrow{padding:5px 14px 5px 9px!important;gap:7px!important}.tca-app:not(.is-workspace) .tca-eyebrow-logo,.tca-app:not(.is-workspace) .tca-library-folder-icon svg{width:22px!important;height:22px!important}.tca-app:not(.is-workspace) .tca-dropzone{min-height:50px!important;padding:5px 12px!important}.tca-app:not(.is-workspace) .tca-drop-icon{width:36px!important;height:36px!important;flex-basis:36px!important;border-radius:11px!important;font-size:23px!important}.tca-app:not(.is-workspace) .tca-library-folder{min-height:50px!important;margin-top:5px!important;padding:5px 12px!important;grid-template-columns:38px minmax(0,1fr) auto!important;column-gap:12px!important}.tca-app:not(.is-workspace) .tca-library-folder-icon{width:38px!important;height:38px!important;border-radius:11px!important}.tca-app:not(.is-workspace) .tca-library-folder-button{min-height:36px!important;padding:7px 14px!important;font-size:12px!important}.tca-app:not(.is-workspace) .tca-recents-section,.tca-app:not(.is-workspace).tca-home-third-row .tca-recents-section{min-height:0!important;overflow:hidden!important}.tca-app:not(.is-workspace) .tca-recents,.tca-app:not(.is-workspace).tca-home-third-row .tca-recents{min-height:0!important;overflow:hidden!important;overscroll-behavior:contain!important}.tca-app:not(.is-workspace).tca-library-scroll .tca-recents{overflow-x:hidden!important;overflow-y:auto!important;scrollbar-gutter:stable!important;-webkit-overflow-scrolling:touch}.tca-app:not(.is-workspace).tca-library-scroll .tca-recents::-webkit-scrollbar{width:10px}.tca-app:not(.is-workspace).tca-library-scroll .tca-recents::-webkit-scrollbar-track{border-radius:999px;background:color-mix(in srgb,var(--ild-surface-border) 48%,transparent)}.tca-app:not(.is-workspace).tca-library-scroll .tca-recents::-webkit-scrollbar-thumb{border:2px solid transparent;border-radius:999px;background:linear-gradient(180deg,var(--ild-orange-b),var(--ild-blue-b)) padding-box}}@media (min-width:781px){.tca-app.is-workspace .tca-boardbar{padding-left:18px!important;padding-right:18px!important;column-gap:3px}}@media (min-width:1400px){.tca-app.is-workspace .tca-boardbar:not(.is-compact):not(.is-wrapped) button{padding-left:8px;padding-right:8px}.tca-app.is-workspace .tca-boardbar:not(.is-compact):not(.is-wrapped) .tca-tool-mode-btn{gap:4px;padding:8px 8px 8px 7px!important}.tca-app.is-workspace .tca-boardbar:not(.is-compact):not(.is-wrapped) .tca-toolbar-page-jump{gap:4px;padding-left:7px;padding-right:7px}.tca-app.is-workspace .tca-boardbar:not(.is-compact):not(.is-wrapped) .tca-size-control input{width:104px}}
/* Ders Şeritleri v0.7.0 */
html.tca-lesson-strip-mode .tca-workspace{grid-template-columns:minmax(0,1fr)!important}
html.tca-lesson-strip-mode .tca-sidebar,html.tca-lesson-strip-mode #tca-open-sidebar,html.tca-lesson-strip-mode .tca-toolbar-page-jump,html.tca-lesson-strip-mode #tca-bookmark-page,html.tca-lesson-strip-mode .tca-pagebar .tca-page-position,html.tca-lesson-strip-mode .tca-pagebar #tca-prev,html.tca-lesson-strip-mode .tca-pagebar #tca-next{display:none!important}
html.tca-lesson-strip-mode .tca-viewer{overflow-x:auto!important;overflow-y:hidden!important;scroll-behavior:auto;overscroll-behavior-x:contain;touch-action:none;padding:7px;background:#071827}
html[data-bs-theme=light].tca-lesson-strip-mode .tca-viewer{background:#cfe5ef}
html.tca-lesson-strip-mode .tca-stage{margin:0!important;max-width:none!important;box-shadow:0 8px 28px rgba(0,0,0,.25)}
html.tca-lesson-strip-mode .tca-pagebar{min-height:30px}
html.tca-lesson-strip-mode .tca-pagebar .tca-doc-title{max-width:min(52vw,720px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tca-lesson-strip-badge{display:inline-flex;align-items:center;min-height:34px;padding:5px 10px;border:1px solid rgba(125,211,252,.55);border-radius:999px;background:rgba(14,116,144,.34);color:#e7f8ff;font-size:11px;font-weight:900;white-space:nowrap}
html[data-bs-theme=light] .tca-lesson-strip-badge{background:#e0f5fd;color:#075985;border-color:#8bd2eb}
html.tca-lesson-strip-mode #tca-fit-page{font-size:0}
html.tca-lesson-strip-mode #tca-fit-page::after{content:'Şeridi Sığdır';font-size:12px}
html.tca-lesson-strip-mode #tca-fit-width{display:none!important}
@media(max-width:900px){.tca-lesson-strip-badge{display:none!important}html.tca-lesson-strip-mode .tca-pagebar .tca-doc-title{max-width:55vw}}
/* Ders Şeritleri v0.7.2 — tek satır, yatay kaydırılabilir araç çubuğu */
html.tca-lesson-strip-mode .tca-boardbar,
html.tca-lesson-strip-mode .tca-boardbar.is-compact,
html.tca-lesson-strip-mode .tca-boardbar.is-wrapped{
  min-height:54px!important;height:54px!important;max-height:54px!important;
  justify-content:flex-start!important;align-items:center!important;
  flex-wrap:nowrap!important;row-gap:0!important;column-gap:4px!important;
  overflow-x:auto!important;overflow-y:hidden!important;white-space:nowrap!important;
  padding:6px max(8px,env(safe-area-inset-left)) 6px max(8px,env(safe-area-inset-right))!important;
  scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.42) transparent;
  overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;touch-action:pan-x
}
html.tca-lesson-strip-mode .tca-boardbar::-webkit-scrollbar{height:4px}
html.tca-lesson-strip-mode .tca-boardbar::-webkit-scrollbar-track{background:transparent}
html.tca-lesson-strip-mode .tca-boardbar::-webkit-scrollbar-thumb{border-radius:999px;background:rgba(255,255,255,.42)}
html.tca-lesson-strip-mode .tca-boardbar .tca-spacer,
html.tca-lesson-strip-mode .tca-boardbar.is-wrapped .tca-spacer{display:none!important;flex:0 0 0!important;width:0!important;height:0!important}
html.tca-lesson-strip-mode .tca-boardbar button,
html.tca-lesson-strip-mode .tca-boardbar .tca-color-control,
html.tca-lesson-strip-mode .tca-boardbar .tca-size-control,
html.tca-lesson-strip-mode .tca-boardbar .tca-mobile-zoom-group,
html.tca-lesson-strip-mode .tca-boardbar .tca-lesson-strip-badge{flex:0 0 auto!important}
html.tca-lesson-strip-mode .tca-boardbar.is-wrapped{white-space:nowrap!important}

@media (orientation:landscape) and (max-height:680px){
  html.tca-lesson-strip-mode .tca-boardbar,
  html.tca-lesson-strip-mode .tca-boardbar.is-compact,
  html.tca-lesson-strip-mode .tca-boardbar.is-wrapped{
    min-height:48px!important;height:48px!important;max-height:48px!important;
    gap:3px!important;padding-top:4px!important;padding-bottom:4px!important
  }
  html.tca-lesson-strip-mode .tca-boardbar button{min-height:36px!important;height:36px!important;padding:6px 7px!important;font-size:10px!important}
  html.tca-lesson-strip-mode .tca-boardbar .tca-tool-mode-btn{gap:4px!important;padding:6px 7px 6px 6px!important}
  html.tca-lesson-strip-mode .tca-boardbar .tca-tool-mode-btn .tca-tool-icon{width:20px!important;height:20px!important;flex-basis:20px!important}
  html.tca-lesson-strip-mode .tca-boardbar .tca-icon-only-btn{width:36px!important;min-width:36px!important;max-width:36px!important}
  html.tca-lesson-strip-mode .tca-boardbar .tca-color-button{width:32px!important;min-width:32px!important;height:30px!important;min-height:30px!important}
  html.tca-lesson-strip-mode .tca-boardbar .tca-size-control input[type=range]{width:62px!important}
  html.tca-lesson-strip-mode .tca-boardbar .tca-size-shortcut{font-size:7px!important}
  html.tca-lesson-strip-mode .tca-lesson-strip-badge{display:none!important}
  html.tca-lesson-strip-mode .tca-viewer{padding:4px!important}
}
@media (max-width:480px){
  html.tca-lesson-strip-mode .tca-boardbar,
  html.tca-lesson-strip-mode .tca-boardbar.is-compact,
  html.tca-lesson-strip-mode .tca-boardbar.is-wrapped{scrollbar-width:none}
  html.tca-lesson-strip-mode .tca-boardbar::-webkit-scrollbar{display:none}
}

/* Ders Şeritleri v0.7.4 — görünmez kaydırma çubukları */
html.tca-lesson-strip-mode .tca-viewer,html.tca-lesson-strip-mode .tca-boardbar{scrollbar-width:none!important;-ms-overflow-style:none!important}
html.tca-lesson-strip-mode .tca-viewer::-webkit-scrollbar,html.tca-lesson-strip-mode .tca-boardbar::-webkit-scrollbar{display:none!important;width:0!important;height:0!important}

/* v0.7.7 — güvenli tam ekran boşluk düzeltmesi; sahne yüksekliğine müdahale etmez */
html.tca-lesson-strip-mode .tca-viewer{padding:0!important;background:#000!important}
html.tca-lesson-strip-mode .tca-stage{margin:0!important;box-shadow:none!important;border:0!important}
html.tca-lesson-strip-mode .tca-stage canvas,html.tca-lesson-strip-mode .tca-stage img{display:block!important;margin:0!important;border:0!important}
html.tca-lesson-strip-mode .tca-workspace,html.tca-lesson-strip-mode .tca-main{background:#000!important}
html.tca-lesson-strip-mode .tca-pagebar{margin:0!important;border-top:0!important}
@media(max-width:980px){html.tca-lesson-strip-mode .tca-viewer{padding:0!important}}

/* Ders Şeridi v0.7.8: tam ekran anlatımda yakınlaştırma kilidi ve kesintisiz yüzey */
html.tca-lesson-strip-mode #tca-zoom-out,
html.tca-lesson-strip-mode #tca-zoom-in,
html.tca-lesson-strip-mode #tca-zoom-label,
html.tca-lesson-strip-mode #tca-fit-page,
html.tca-lesson-strip-mode #tca-fit-width,
html.tca-lesson-strip-mode .tca-mobile-zoom-group{display:none!important}
html.tca-lesson-strip-mode .tca-viewer{padding:0!important;margin:0!important;background:#000!important;overflow-y:hidden!important}
html.tca-lesson-strip-mode .tca-stage{padding:0!important;margin:0!important;border:0!important;border-radius:0!important;box-shadow:none!important;background:#000!important}
html.tca-lesson-strip-mode .tca-stage canvas,
html.tca-lesson-strip-mode .tca-stage img{display:block!important;margin:0!important;padding:0!important;border:0!important;border-radius:0!important;max-width:none!important}
html.tca-lesson-strip-mode .tca-pagebar{margin:0!important;padding-top:0!important;padding-bottom:0!important;border:0!important}

/* Ders Şeridi v0.7.11 — yakınlaştırma tamamen kapalı, cache-safe */
html.tca-lesson-strip-mode .tca-mobile-zoom-group,
html.tca-lesson-strip-mode #tca-zoom-out,
html.tca-lesson-strip-mode #tca-zoom-in,
html.tca-lesson-strip-mode #tca-fit-page,
html.tca-lesson-strip-mode #tca-fit-width,
html.tca-lesson-strip-mode #tca-zoom-label{display:none!important;visibility:hidden!important;width:0!important;min-width:0!important;max-width:0!important;margin:0!important;padding:0!important;overflow:hidden!important}

html.tca-lesson-strip-mode .tca-strip-track{display:flex!important;align-items:flex-start!important;flex:0 0 auto!important;width:max-content!important;min-width:0!important;margin:0!important;padding:0!important;gap:0!important;line-height:0!important;background:#000!important}html.tca-lesson-strip-mode .tca-strip-track>.tca-stage,html.tca-lesson-strip-mode .tca-strip-clone{position:relative!important;inset:auto!important;flex:0 0 auto!important;margin:0!important;padding:0!important;border:0!important;border-radius:0!important;box-shadow:none!important;overflow:hidden!important;background:#000!important}html.tca-lesson-strip-mode .tca-strip-clone{pointer-events:none!important}html.tca-lesson-strip-mode .tca-strip-clone-doc,html.tca-lesson-strip-mode .tca-strip-clone-ann{position:absolute!important;inset:0!important;display:block!important;width:100%!important;height:100%!important;margin:0!important;padding:0!important;border:0!important;object-fit:fill!important}html.tca-lesson-strip-mode .tca-strip-clone-doc{z-index:1}html.tca-lesson-strip-mode .tca-strip-clone-ann{z-index:2;pointer-events:none!important}html.tca-lesson-strip-mode #tca-zoom-out,html.tca-lesson-strip-mode #tca-zoom-in,html.tca-lesson-strip-mode #tca-fit-page,html.tca-lesson-strip-mode #tca-fit-width,html.tca-lesson-strip-mode #tca-zoom-label,html.tca-lesson-strip-mode .tca-mobile-zoom-group{display:none!important;visibility:hidden!important;width:0!important;min-width:0!important;max-width:0!important;margin:0!important;padding:0!important;overflow:hidden!important}
html.tca-scene-strip-mode #tca-document-canvas{opacity:0!important;background:transparent!important}
html.tca-scene-strip-mode .tca-strip-scene-rail{position:absolute!important;inset:0!important;z-index:1!important;display:flex!important;align-items:stretch!important;width:100%!important;height:100%!important;margin:0!important;padding:0!important;gap:0!important;overflow:hidden!important;background:#050b15!important;pointer-events:none!important;line-height:0!important}
html.tca-scene-strip-mode .tca-strip-scene-cell{position:relative!important;flex-grow:0!important;flex-shrink:0!important;height:100%!important;min-width:0!important;margin:0!important;padding:0!important;overflow:hidden!important;background:#050b15!important}
html.tca-scene-strip-mode .tca-strip-scene-image{position:absolute!important;inset:0!important;display:block!important;width:100%!important;height:100%!important;max-width:none!important;margin:0!important;padding:0!important;border:0!important;object-fit:fill!important;background:#050b15!important}
html.tca-scene-strip-mode .tca-strip-clone>.tca-strip-scene-rail{z-index:1!important}
html.tca-scene-strip-mode .tca-strip-clone-ann{z-index:2!important}

/* Ders Şeritleri v0.7.20 — telefon sığdırma ve dokunmatik fizik */
html.tca-lesson-strip-mode .tca-viewer{scrollbar-width:none;-ms-overflow-style:none;overscroll-behavior:none!important;-webkit-overflow-scrolling:auto!important}
html.tca-lesson-strip-mode .tca-viewer::-webkit-scrollbar{display:none!important;width:0!important;height:0!important}
html.tca-strip-touching,html.tca-strip-touching body{overscroll-behavior:none!important}
html.tca-strip-touching .tca-viewer{cursor:grabbing!important;user-select:none!important;-webkit-user-select:none!important}
@media (max-width:980px), (pointer:coarse) and (max-height:900px){
 html.tca-lesson-strip-mode .tca-viewer{align-items:center!important;padding:0!important;background:#050b15!important;touch-action:none!important}
 html.tca-lesson-strip-mode .tca-strip-track{align-items:center!important}
 html.tca-lesson-strip-mode .tca-stage{box-shadow:none!important}
 html.tca-scene-strip-mode .tca-strip-scene-image{object-fit:fill!important}
}

/* Ders Şeritleri v0.7.21 — gerçek sahne sığdırma ve mobil ekran devralma */
html.tca-lesson-strip-mode,html.tca-lesson-strip-mode body{width:100%!important;height:100%!important;min-height:100%!important;overflow:hidden!important;background:#050b15!important}
html.tca-lesson-strip-mode .tca-app.is-workspace,html.tca-lesson-strip-mode .tca-main,html.tca-lesson-strip-mode .tca-workspace,html.tca-lesson-strip-mode .tca-board-area{width:100%!important;height:100dvh!important;min-height:0!important;overflow:hidden!important;background:#050b15!important}
html.tca-lesson-strip-mode .tca-board-area{grid-template-rows:auto minmax(0,1fr)!important}
html.tca-lesson-strip-mode .tca-viewer{width:100%!important;height:100%!important;min-width:0!important;min-height:0!important;padding:0!important;align-items:center!important;justify-content:flex-start!important;overflow-x:auto!important;overflow-y:hidden!important;background:#050b15!important}
html.tca-lesson-strip-mode .tca-strip-track{align-self:center!important}
html.tca-scene-strip-mode .tca-stage,html.tca-scene-strip-mode .tca-strip-clone{align-self:center!important}
html.tca-scene-strip-mode .tca-strip-scene-cell{height:100%!important}
html.tca-scene-strip-mode .tca-strip-scene-image{object-fit:fill!important;object-position:center center!important}
@media (orientation:portrait) and (max-width:980px){html.tca-lesson-strip-mode .tca-boardbar{min-height:54px!important}html.tca-lesson-strip-mode .tca-viewer{align-items:center!important}}

/* Ders Şeritleri v0.7.22 — sabit araç katmanı ve kaydırma sırasında kesintisiz araç görünürlüğü */
html.tca-lesson-strip-mode .tca-boardbar{position:relative!important;z-index:160!important}
html.tca-lesson-strip-mode .tca-viewer{isolation:isolate!important}
html.tca-lesson-strip-mode .tca-strip-tool-surface{position:fixed!important;left:0;top:0;width:0;height:0;z-index:80!important;display:block!important;background:transparent!important;border:0!important;margin:0!important;padding:0!important;overflow:hidden!important;touch-action:none!important;user-select:none!important;-webkit-user-select:none!important;-webkit-tap-highlight-color:transparent!important;pointer-events:none;contain:strict;transform:translateZ(0);will-change:left,top,width,height}
html.tca-strip-tool-active.tca-lesson-strip-mode .tca-strip-tool-surface{pointer-events:auto}
html.tca-lesson-strip-mode .tca-strip-tool-surface[data-tool=magnifier],html.tca-lesson-strip-mode .tca-strip-tool-surface[data-tool=laser]{cursor:none!important}
html.tca-lesson-strip-mode .tca-strip-tool-surface[data-tool=pen]{cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Cpath d='M5 27l2.2-7.2L21.7 5.3a3.2 3.2 0 0 1 4.5 0l.5.5a3.2 3.2 0 0 1 0 4.5L12.2 24.8 5 27z' fill='%23ffd54a' stroke='%230b1b2d' stroke-width='1.5' stroke-linejoin='round'/%3E%3Cpath d='M7.2 19.8l5 5M20.3 6.7l5 5' fill='none' stroke='%230b1b2d' stroke-width='1.5'/%3E%3Cpath d='M5 27l2.2-7.2 5 5L5 27z' fill='%23f3c79e' stroke='%230b1b2d' stroke-width='1.3' stroke-linejoin='round'/%3E%3Cpath d='M5 27l2.4-.7-1.7-1.7L5 27z' fill='%230b1b2d'/%3E%3Cpath d='M21.7 5.3a3.2 3.2 0 0 1 4.5 0l.5.5a3.2 3.2 0 0 1 0 4.5l-1.5 1.5-5-5 1.5-1.5z' fill='%23f06292' stroke='%230b1b2d' stroke-width='1.3'/%3E%3C/svg%3E")5 27,crosshair!important}
html.tca-lesson-strip-mode .tca-strip-tool-surface[data-tool=eraser],html.tca-lesson-strip-mode .tca-strip-tool-surface[data-tool=stamp],html.tca-lesson-strip-mode .tca-strip-tool-surface[data-tool=highlighter],html.tca-lesson-strip-mode .tca-strip-tool-surface[data-tool=focus]{cursor:crosshair!important}
html.tca-lesson-strip-mode #tca-spotlight{z-index:110!important;pointer-events:none!important;transform:translateZ(0)!important}
html.tca-lesson-strip-mode #tca-magnifier{z-index:140!important;pointer-events:none!important;transform:translate(-50%,-50%) translateZ(0)!important}
html.tca-lesson-strip-mode #tca-laser-scroll-marker{z-index:145!important;pointer-events:none!important}
html.tca-lesson-strip-mode #tca-temporary-canvas,html.tca-lesson-strip-mode #tca-laser-canvas{pointer-events:none!important}
html.tca-lesson-strip-mode .tca-strip-clone-ann{will-change:contents;transform:translateZ(0)}

/* v0.7.24 — kalem imleci ve genişletilmiş ortak renk paleti */
.tca-color-button[data-current-color="#ffffff"] .tca-color-current,.tca-color-swatch[data-color-value="#ffffff"] span{background:#fff!important;box-shadow:0 0 0 1px rgba(7,24,39,.7) inset,0 2px 5px rgba(0,0,0,.34)!important}
.tca-color-button[data-current-color="#ffd400"] .tca-color-current,.tca-color-swatch[data-color-value="#ffd400"] span{background:#ffd400!important}.tca-color-swatch[data-color-value="#00b8d4"] span{background:#00b8d4!important}.tca-color-swatch[data-color-value="#8d4e2c"] span{background:#8d4e2c!important}.tca-color-swatch[data-color-value="#38bdf8"] span{background:#38bdf8!important}
.tca-color-swatch[data-color-value="#ffffff"].is-active::after,.tca-color-swatch[data-color-value="#ffd400"].is-active::after,.tca-color-swatch[data-color-value="#00b8d4"].is-active::after,.tca-color-swatch[data-color-value="#38bdf8"].is-active::after{color:#111!important;text-shadow:0 1px 2px #fff!important}
.tca-pen-btn .tca-tool-icon{display:inline-grid!important;opacity:1!important;visibility:visible!important}
html.tca-lesson-strip-mode .tca-strip-tool-surface[data-tool=pen]{cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Cpath d='M5 27l2.2-7.2L21.7 5.3a3.2 3.2 0 0 1 4.5 0l.5.5a3.2 3.2 0 0 1 0 4.5L12.2 24.8 5 27z' fill='%23ffd54a' stroke='%230b1b2d' stroke-width='1.5' stroke-linejoin='round'/%3E%3Cpath d='M7.2 19.8l5 5M20.3 6.7l5 5' fill='none' stroke='%230b1b2d' stroke-width='1.5'/%3E%3Cpath d='M5 27l2.2-7.2 5 5L5 27z' fill='%23f3c79e' stroke='%230b1b2d' stroke-width='1.3' stroke-linejoin='round'/%3E%3Cpath d='M5 27l2.4-.7-1.7-1.7L5 27z' fill='%230b1b2d'/%3E%3Cpath d='M21.7 5.3a3.2 3.2 0 0 1 4.5 0l.5.5a3.2 3.2 0 0 1 0 4.5l-1.5 1.5-5-5 1.5-1.5z' fill='%23f06292' stroke='%230b1b2d' stroke-width='1.3'/%3E%3C/svg%3E")5 27,crosshair!important}


/* Akıllı Tahta Konu Anlatımları v0.7.29 — tam sahne sayfalama */
html.tca-scene-strip-mode .tca-viewer{scroll-snap-type:x mandatory!important;scroll-padding:0!important;background:#050b15!important}
html.tca-scene-strip-mode .tca-strip-scene-rail{overflow:hidden!important;background:#050b15!important}
html.tca-scene-strip-mode .tca-strip-scene-cell{flex:0 0 calc(100% / var(--tca-scene-count,1))!important;width:calc(100% / var(--tca-scene-count,1))!important;height:100%!important;scroll-snap-align:start!important;scroll-snap-stop:always!important;background:#050b15!important}
html.tca-scene-strip-mode .tca-strip-scene-image{inset:0!important;width:100%!important;height:100%!important;object-fit:contain!important;object-position:center center!important;background:#050b15!important}
html.tca-scene-strip-mode .tca-strip-track>.tca-stage,html.tca-scene-strip-mode .tca-strip-clone{scroll-snap-align:none!important}
html.tca-scene-strip-mode .tca-viewer::before,html.tca-scene-strip-mode .tca-viewer::after{display:none!important;content:none!important}


/* Akıllı Tahta Konu Anlatımları v0.7.30 — araç katmanları tam sahne koordinat düzeltmesi */
html.tca-scene-strip-mode #tca-annotation-canvas,html.tca-scene-strip-mode #tca-temporary-canvas,html.tca-scene-strip-mode #tca-laser-canvas{position:absolute!important;inset:0!important;left:0!important;top:0!important;right:auto!important;bottom:auto!important;display:block!important;width:100%!important;height:100%!important;max-width:none!important;max-height:none!important;margin:0!important;padding:0!important;border:0!important;transform:none!important;transform-origin:0 0!important}
html.tca-scene-strip-mode #tca-annotation-canvas{z-index:5!important}
html.tca-scene-strip-mode #tca-temporary-canvas{z-index:7!important}
html.tca-scene-strip-mode #tca-laser-canvas{z-index:8!important}
html.tca-scene-strip-mode .tca-strip-tool-surface{right:auto!important;bottom:auto!important;max-width:none!important;max-height:none!important}
html.tca-scene-strip-mode #tca-magnifier{max-width:calc(100vw - 32px)!important;max-height:calc(100dvh - 32px)!important}

/* v0.7.31 — A4 Player ile aynı merkezden takip eden büyüteç */
html.tca-lesson-strip-mode #tca-magnifier,html.tca-scene-strip-mode #tca-magnifier{position:fixed!important;max-width:none!important;max-height:none!important;transform:translate(-50%,-50%) translateZ(0)!important;pointer-events:none!important;will-change:left,top,width,height!important}
html.tca-lesson-strip-mode #tca-magnifier .tca-magnifier-crosshair,html.tca-scene-strip-mode #tca-magnifier .tca-magnifier-crosshair{display:none!important}


/* v0.8.2 — sahne izolasyonu, siyah şeritsiz ve göz yormayan yumuşak geçiş */
html.tca-virtual-scene-mode,
html.tca-virtual-scene-mode body{
  width:100%!important;height:100%!important;overflow:hidden!important;background:#050b15!important;
}
html.tca-virtual-scene-mode .tca-viewer{
  position:relative!important;display:flex!important;align-items:center!important;justify-content:center!important;
  width:100%!important;height:100%!important;min-width:0!important;min-height:0!important;
  padding:0!important;overflow:hidden!important;scrollbar-width:none!important;overscroll-behavior:none!important;
  background:#050b15!important;touch-action:none!important;
}
html.tca-virtual-scene-mode .tca-viewer::-webkit-scrollbar{display:none!important;width:0!important;height:0!important}
html.tca-virtual-scene-mode .tca-stage{
  position:relative!important;inset:auto!important;flex:0 0 auto!important;align-self:center!important;
  margin:auto!important;padding:0!important;border:0!important;border-radius:0!important;
  overflow:hidden!important;background:#050b15!important;box-shadow:none!important;transform:translate3d(0,0,0);
}
html.tca-virtual-scene-mode #tca-document-canvas{
  position:relative!important;z-index:1!important;display:block!important;margin:0!important;padding:0!important;border:0!important;
}
html.tca-virtual-scene-mode #tca-annotation-canvas,
html.tca-virtual-scene-mode #tca-temporary-canvas,
html.tca-virtual-scene-mode #tca-laser-canvas{
  position:absolute!important;inset:0!important;left:0!important;top:0!important;right:auto!important;bottom:auto!important;
  display:block!important;margin:0!important;padding:0!important;border:0!important;transform:none!important;transform-origin:0 0!important;
}
html.tca-virtual-scene-mode #tca-annotation-canvas{z-index:5!important;pointer-events:auto!important;touch-action:none!important}
html.tca-virtual-scene-mode #tca-temporary-canvas{z-index:7!important;pointer-events:none!important}
html.tca-virtual-scene-mode #tca-laser-canvas{z-index:8!important;pointer-events:none!important}
html.tca-virtual-scene-mode .tca-strip-tool-surface{display:none!important;pointer-events:none!important}
html.tca-virtual-scene-mode .tca-strip-track,
html.tca-virtual-scene-mode .tca-strip-scene-rail,
html.tca-virtual-scene-mode .tca-strip-clone{display:none!important}
html.tca-virtual-scene-mode .tca-page-transition-snapshot{
  position:fixed!important;z-index:2147483000!important;margin:0!important;padding:0!important;border:0!important;
  pointer-events:none!important;will-change:transform,opacity!important;backface-visibility:hidden!important;background:#050b15!important;
}
html.tca-virtual-scene-mode #tca-magnifier{position:fixed!important;max-width:none!important;max-height:none!important;pointer-events:none!important}
html.tca-virtual-scene-mode .tca-toolbar-page-jump{display:flex!important}
html.tca-virtual-scene-mode .tca-boardbar{contain:layout style!important}
@media (prefers-reduced-motion:reduce){html.tca-virtual-scene-mode .tca-page-transition-snapshot{transition:none!important}}


/* v0.8.1 — sahne kenarlarını aynı görselin yumuşak taşmasıyla doldur; siyah ara şerit gösterme */
html.tca-virtual-scene-mode .tca-viewer{
  isolation:isolate!important;
  background-color:#050b15!important;
}
html.tca-virtual-scene-mode .tca-viewer::before{
  content:""!important;
  position:absolute!important;
  inset:-18px!important;
  z-index:0!important;
  display:block!important;
  background-image:var(--tca-virtual-scene-backdrop,none)!important;
  background-repeat:no-repeat!important;
  background-position:center center!important;
  background-size:cover!important;
  filter:blur(12px) saturate(1.03)!important;
  transform:scale(1.035) translateZ(0)!important;
  transform-origin:center center!important;
  pointer-events:none!important;
  opacity:1!important;
}
html.tca-virtual-scene-mode .tca-stage{
  z-index:2!important;
}
html.tca-virtual-scene-mode .tca-virtual-transition-snapshot{
  display:block!important;
  overflow:hidden!important;
  background:#050b15!important;
  outline:1px solid transparent!important;
  transform:translate3d(0,0,0);
  transform-origin:center center!important;
  will-change:transform,opacity!important;
  contain:paint!important;
}

/* v0.8.2 — tam ekran hareketi yerine hafif yatay sürüklenme + yumuşak çözünme; araç katmanları değişmez */


/* v0.8.4 geçmiş notu — bu blok v0.8.5 tarafından aşağıda geçersiz kılınır */
html.tca-virtual-scene-mode .tca-viewer{
  background:#050b15!important;
  isolation:isolate!important;
}
html.tca-virtual-scene-mode .tca-viewer::before{
  display:none!important;
  content:none!important;
  background-image:none!important;
  filter:none!important;
  opacity:0!important;
  transform:none!important;
}
html.tca-virtual-scene-mode .tca-stage{
  z-index:2!important;
  flex:0 0 auto!important;
  align-self:center!important;
  margin:auto!important;
}
html.tca-virtual-scene-mode .tca-virtual-transition-snapshot{
  background:#050b15!important;
}


/* v0.8.5 — gerçek 16:9 sahne, resmin üstünde overlay ve gizlenebilir araç çubuğu */
#tca-toolbar-hide,#tca-toolbar-show{display:none}
html.tca-virtual-scene-mode .tca-board-area{
  position:relative!important;
  display:grid!important;
  grid-template-rows:minmax(0,1fr)!important;
  grid-template-columns:minmax(0,1fr)!important;
  min-width:0!important;min-height:0!important;
  overflow:hidden!important;
  background:#050b15!important;
}
html.tca-virtual-scene-mode #tca-toolbar{
  position:absolute!important;
  inset:0 0 auto 0!important;
  z-index:2147482500!important;
  width:100%!important;max-width:100%!important;
  margin:0!important;
  background:linear-gradient(180deg,rgba(4,117,163,.985),rgba(2,77,119,.97))!important;
  border-bottom:1px solid rgba(255,255,255,.22)!important;
  box-shadow:0 8px 24px rgba(0,0,0,.24)!important;
  transform:translate3d(0,0,0)!important;
  opacity:1!important;
  transition:transform .23s cubic-bezier(.22,.8,.28,1),opacity .18s ease!important;
  will-change:transform,opacity!important;
  pointer-events:auto!important;
}
html.tca-virtual-scene-mode #tca-viewer{
  grid-row:1!important;grid-column:1!important;
  position:relative!important;
  width:100%!important;height:100%!important;
  min-width:0!important;min-height:0!important;
  padding:0!important;margin:0!important;
  overflow:hidden!important;
  background:#050b15!important;
  isolation:isolate!important;
}
html.tca-virtual-scene-mode #tca-viewer::before{
  display:none!important;content:none!important;background:none!important;
  filter:none!important;opacity:0!important;transform:none!important;
}
html.tca-virtual-scene-mode .tca-stage{
  z-index:2!important;
  flex:0 0 auto!important;
  align-self:center!important;
  margin:auto!important;
  overflow:hidden!important;
  background:#050b15!important;
}
html.tca-virtual-scene-mode #tca-document-canvas{
  width:100%!important;height:100%!important;
  object-fit:contain!important;object-position:center center!important;
}
html.tca-virtual-scene-mode .tca-pagebar{display:none!important}
html.tca-virtual-scene-mode #tca-toolbar-hide{
  display:inline-flex!important;
  align-items:center!important;justify-content:center!important;
  width:40px!important;min-width:40px!important;height:40px!important;
  padding:0!important;border-radius:10px!important;
  background:rgba(255,255,255,.13)!important;
  box-shadow:0 0 0 1px rgba(255,255,255,.18) inset!important;
}
html.tca-virtual-scene-mode #tca-toolbar-hide svg{
  width:21px!important;height:21px!important;fill:none!important;stroke:currentColor!important;
  stroke-width:2.2!important;stroke-linecap:round!important;stroke-linejoin:round!important;
}
html.tca-virtual-scene-mode #tca-toolbar-show{
  position:absolute!important;
  top:max(10px,env(safe-area-inset-top))!important;
  right:max(10px,env(safe-area-inset-right))!important;
  z-index:2147482600!important;
  display:inline-flex!important;align-items:center!important;justify-content:center!important;gap:7px!important;
  min-height:42px!important;padding:8px 13px!important;border:1px solid rgba(255,255,255,.35)!important;
  border-radius:12px!important;
  background:linear-gradient(180deg,rgba(7,138,198,.96),rgba(2,77,119,.96))!important;
  color:#fff!important;font:900 12px/1 system-ui,-apple-system,"Segoe UI",sans-serif!important;
  box-shadow:0 8px 24px rgba(0,0,0,.28),0 0 0 1px rgba(255,255,255,.12) inset!important;
  cursor:pointer!important;touch-action:manipulation!important;
  -webkit-tap-highlight-color:transparent!important;
}
html.tca-virtual-scene-mode #tca-toolbar-show[hidden]{display:none!important}
html.tca-virtual-scene-mode #tca-toolbar-show svg{
  width:18px!important;height:18px!important;fill:none!important;stroke:currentColor!important;
  stroke-width:2.2!important;stroke-linecap:round!important;stroke-linejoin:round!important;
}
html.tca-virtual-scene-mode .tca-board-area.tca-toolbar-collapsed #tca-toolbar{
  transform:translate3d(0,calc(-100% - 10px),0)!important;
  opacity:0!important;pointer-events:none!important;
}
html.tca-virtual-scene-mode .tca-virtual-transition-snapshot{background:#050b15!important}
@media (max-width:720px){
  html.tca-virtual-scene-mode #tca-toolbar-show{min-height:40px!important;padding:7px 11px!important;border-radius:10px!important}
}
@media (prefers-reduced-motion:reduce){
  html.tca-virtual-scene-mode #tca-toolbar{transition:none!important}
}

/* v0.8.6 — overlay araç çubuğunun açık/koyu tema eşleşmesi */
html[data-bs-theme=dark].tca-virtual-scene-mode #tca-toolbar{
  background:linear-gradient(180deg,rgba(10,25,42,.992),rgba(3,10,20,.982))!important;
  border-bottom-color:rgba(148,163,184,.28)!important;
  box-shadow:0 8px 28px rgba(0,0,0,.46),0 1px 0 rgba(255,255,255,.035) inset!important;
}
html[data-bs-theme=dark].tca-virtual-scene-mode #tca-toolbar-hide{
  background:rgba(15,23,42,.78)!important;
  box-shadow:0 0 0 1px rgba(148,163,184,.24) inset!important;
}
html[data-bs-theme=dark].tca-virtual-scene-mode #tca-toolbar-show{
  background:linear-gradient(180deg,rgba(17,31,49,.985),rgba(3,10,20,.985))!important;
  border-color:rgba(148,163,184,.38)!important;
  box-shadow:0 8px 26px rgba(0,0,0,.46),0 0 0 1px rgba(255,255,255,.045) inset!important;
}
html[data-bs-theme=light].tca-virtual-scene-mode #tca-toolbar{
  background:linear-gradient(180deg,rgba(4,117,163,.985),rgba(2,77,119,.97))!important;
}