.school-logo{width:46px;height:46px;object-fit:contain}.header-actions{display:flex;gap:9px;align-items:center}.header-actions>button{min-height:48px;border-radius:10px;padding:8px 12px;background:#eef3fc;font-size:13px;font-weight:600}#save-status{font-size:11px;color:#7d8ba1;max-width:170px}header{padding:0 24px}main{margin-bottom:170px}.toolbar{bottom:65px;gap:6px;padding:10px}.toolbar .tool{min-width:60px}.toolbar .color,.toolbar .custom-color{width:40px}.toolbar .colors{gap:0}.toolbar .color.selected:after{left:2px}.toolbar .divider{margin:0 2px}.pen-mode-control{position:relative}.pen-mode-control .insert-panel{left:auto;right:0}.shape-buttons{display:flex}.insert-panel .shape-buttons button{font-size:30px;text-align:center;width:33.33%}.zoom-controls{position:absolute;bottom:12px;right:24px;display:flex;align-items:center;gap:4px;background:white;border:1px solid #e3e7ef;padding:3px;border-radius:12px}.zoom-controls button{min-width:42px;height:40px;padding:0 9px;font-size:14px;border-radius:8px}.zoom-controls button:hover{background:#edf3ff}#export-controls{position:absolute;bottom:12px;left:24px;display:flex;gap:8px}#export-controls button{font-size:12px;color:#6b7d96;background:#fff;border:1px solid #e1e7f0;border-radius:8px;padding:12px}footer{display:none}.insert-status{bottom:178px}.home-screen{position:absolute;inset:0;z-index:20;background:#f6f8fc;overflow:auto;padding:28px 44px}.home-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:38px}.home-top>div:last-child{display:flex;gap:15px;align-items:center;font-size:14px;color:#6b7d96}.home-top button{padding:12px;background:white;border:1px solid #e1e7f0;border-radius:10px}.library-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:35px}.library-title h1{font-size:36px;letter-spacing:-1.2px;margin:0 0 8px}.library-title p{font-size:14px;color:#7b899b;margin:0}.library-title>button,#login-form button{background:#3269df;color:white;min-height:52px;border-radius:12px;padding:12px 20px;font-size:15px;font-weight:600}.library-layout{display:grid;grid-template-columns:210px 1fr;gap:32px}.folder-row{display:flex;gap:4px;margin:6px 0}.folder-row>button:first-child{flex:1;text-align:left;padding:16px 12px;font-size:14px;border-radius:10px;overflow:hidden;text-overflow:ellipsis}.folder-row>button.selected{background:#e6eeff;color:#3269df;font-weight:600}.folder-edit{width:35px}.folder-remove{color:#ae5160;font-size:12px;padding:16px}.drop-folder{outline:2px solid #3269df;background:#e6eeff!important}.library-filter{display:flex;gap:12px;justify-content:space-between;margin-bottom:20px}.library-filter input{width:65%;max-width:420px;background:white;border:1px solid #e1e7f0;border-radius:12px;padding:14px;font:inherit}.library-filter button{min-height:48px;background:white;border:1px solid #e1e7f0;border-radius:12px;padding:12px}.board-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:20px}.board-card{background:white;border:1px solid #e1e7f0;border-radius:18px;overflow:hidden;box-shadow:0 5px 15px #23304404}.board-open{width:100%;text-align:left;padding:16px;display:flex;flex-direction:column;gap:16px}.board-preview{display:grid;place-items:center;height:115px;width:100%;border-radius:10px;background:#f5f8fe;color:#8ba8dd;font-size:54px}.board-open strong{font-size:17px;overflow-wrap:anywhere}.card-controls{display:flex;flex-wrap:wrap;gap:6px;padding:0 16px 16px}.card-controls button{font-size:11px;background:#f3f6fb;color:#687b96;border-radius:6px;padding:9px}.card-controls select{width:100%;border:1px solid #e1e7f0;border-radius:7px;padding:9px;font:inherit;font-size:12px;background:white;color:#6b7d96}.empty-library{font-size:16px;color:#96a2b4;padding:40px 0}#home-error{color:#b34657;font-size:14px}#login-panel{max-width:420px;margin:40px auto;background:white;border:1px solid #e1e7f0;border-radius:20px;padding:32px}#login-panel h1{font-size:27px;margin:0}#login-panel p{font-size:14px;color:#7b899b;line-height:1.5}#login-form label{display:block;margin:20px 0 8px;font-size:13px}#login-form input{width:100%;height:52px;padding:12px;border:1px solid #d9e2ef;border-radius:10px;font:inherit}#login-form button{width:100%;margin-top:25px}dialog{border:1px solid #dce4f0;border-radius:18px;padding:28px;max-width:calc(100% - 32px);width:480px;color:#233044;box-shadow:0 20px 90px #23304430}dialog::backdrop{background:#23304450}dialog h2{margin:0 0 20px;font-size:23px}dialog p{font-size:14px;color:#7b899b;line-height:1.6}dialog label{display:block;font-size:13px;margin:18px 0 8px}dialog input,dialog textarea,dialog select{width:100%;font:inherit;padding:12px;border:1px solid #d9e2ef;border-radius:10px}dialog textarea{resize:vertical;font-size:18px}.dialog-buttons{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}.dialog-buttons button{padding:14px 18px;border-radius:10px;background:#eef3fc;font-weight:600}.dialog-buttons button:last-child{background:#3269df;color:white}.settings{bottom:195px}.home-open #table-actions,.home-open #selection-actions{display:none!important}@media(max-width:1100px){.toolbar{width:calc(100% - 24px);justify-content:center;flex-wrap:wrap}.toolbar .tool{min-width:52px}.toolbar .divider{display:none}.toolbar .tool-group{gap:0}.toolbar .color,.toolbar .custom-color{width:38px}.toolbar .color.selected:after{left:1px}main{margin-bottom:180px}.header-actions>button span{display:none}#save-status{max-width:115px}#export-controls{gap:4px;left:15px}#export-controls button{font-size:10px;padding:10px 8px}}@media(max-width:700px){.home-screen{padding:20px}.home-top{padding-bottom:30px}.home-top .brand small{display:none}.home-top #account-name{max-width:90px;overflow:hidden}.library-title h1{font-size:28px}.library-layout{grid-template-columns:1fr;gap:12px}#folder-list{display:flex;flex-wrap:wrap;gap:5px}.folder-row{max-width:200px}.folder-row>button:first-child{padding:12px;font-size:12px}.folder-edit{width:25px}.library-title{gap:10px}.library-title>button{font-size:12px;padding:12px}.library-filter{margin-top:10px}.library-title p{font-size:12px}header{padding:0 12px}.brand strong{font-size:17px}.brand small{font-size:10px}.school-logo{width:36px;height:36px}.header-actions{gap:4px}.header-actions>button{font-size:11px;padding:6px;min-height:42px}.settings-toggle span{display:none}#save-status{display:none}.toolbar{bottom:105px;padding:5px;gap:1px}.toolbar .tool{height:48px;min-width:48px;font-size:10px}.toolbar .symbol{font-size:24px;line-height:26px}.toolbar .colors{order:2}.toolbar .color,.toolbar .custom-color{width:40px;height:45px}.toolbar .color.selected:after{top:5px;left:2px}.toolbar .tool-group{gap:0}main{margin-bottom:220px}#export-controls{bottom:60px;right:15px;justify-content:center;flex-wrap:wrap}.zoom-controls{bottom:10px;right:15px}.settings{bottom:230px}.insert-status{bottom:240px;font-size:10px}.selection-actions{left:20px;top:85px;flex-wrap:wrap;font-size:11px}.selection-actions button{min-height:40px;padding:0 8px;font-size:11px}.width-panel{bottom:60px}}
.toolbar .pen-mode-control{display:none}
@media(max-width:700px){.toolbar{bottom:145px}main{margin-bottom:260px}.insert-status{bottom:280px}.settings{bottom:275px}}

/* The writing surface fills the viewport; controls float above it. */
body>main{position:absolute;inset:0;margin:0;border:0;border-radius:0;}
body>header{position:absolute;z-index:4;top:12px;left:18px;right:18px;height:64px;padding:0 14px;border:1px solid #e3e7ef;border-radius:14px;box-shadow:0 4px 20px #25395d0c;}
.toolbar{z-index:4;bottom:18px;}
.zoom-controls{z-index:4;bottom:18px;}
.settings{top:88px;bottom:116px;}
.settings #export-controls{position:static;display:grid;grid-template-columns:1fr;gap:8px;margin-top:14px;}
.settings #export-controls button{text-align:left;font-size:13px;padding:14px;min-height:48px;}
.settings #export-controls button:hover{background:#eef3fc;}
.settings-section h3{margin-top:20px;}
.insert-status{bottom:116px;z-index:4;}
@media(max-width:1000px){.zoom-controls{bottom:110px;}.settings{bottom:160px;}}
@media(max-width:640px){body>header{top:8px;left:8px;right:8px;padding:0 8px;}.header-actions{gap:4px;}.header-actions>button{padding:8px;}.header-actions>button span{display:none;}.brand strong{font-size:16px;}.brand small{max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}.school-logo{width:32px;height:32px;}#save-status{max-width:66px;font-size:10px;}.toolbar{bottom:12px;}.zoom-controls{bottom:156px;right:12px;}.settings{top:80px;bottom:208px;}.insert-status{bottom:206px;}}

.toolbar .insert-control .insert-panel{left:auto;right:0}

.board-context-menu{position:fixed;z-index:8;width:250px;max-width:calc(100vw - 16px);max-height:calc(100dvh - 16px);overflow:auto;padding:8px;border:1px solid #e3e7ef;border-radius:15px;background:#fff;box-shadow:0 12px 45px #25395d20;}
.board-context-menu strong{display:block;padding:10px 12px;color:#7c8697;font-size:12px;}
.board-context-menu button{display:block;width:100%;min-height:44px;padding:10px 12px;border-radius:9px;text-align:left;font-size:14px;}
.board-context-menu button:hover{background:#eef3fc;}

.geometry-control>button{display:flex;align-items:center;justify-content:space-between;gap:8px;}
.geometry-panel{position:fixed;z-index:9;width:190px;max-width:calc(100vw - 16px);padding:8px;background:white;border:1px solid #e3e7ef;border-radius:12px;box-shadow:0 12px 45px #25395d20;}
.geometry-panel:before{content:'';position:absolute;inset:0 -4px;z-index:-1;}
.insert-panel .geometry-panel button,.board-context-menu .geometry-panel button{width:100%;min-height:48px;text-align:left;padding:12px;font-size:14px;border-radius:8px;}
.geometry-panel button:hover{background:#eef3fc;}

/* Preserve toolbar order when controls wrap on narrow screens. */
.toolbar > .colors,.toolbar > .width-control,.toolbar > .insert-control{order:0}

.header-actions #save-status{display:block;overflow-wrap:anywhere;}

.brand .board-name{display:block;text-align:left;margin-top:2px;padding:2px 4px;margin-left:-4px;border-radius:4px;color:#7c8697;font-size:12px;max-width:min(320px,30vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.brand .board-name:hover{background:#eef3fc;color:#3269df;}
.brand .board-name:disabled{opacity:1;cursor:default;}
.brand .board-name-input{display:block;margin-top:2px;width:min(320px,30vw);min-width:90px;border:1px solid #3269df;border-radius:4px;padding:3px 5px;font:inherit;font-size:12px;color:#233044;background:#fff;}
@media(max-width:640px){.brand .board-name,.brand .board-name-input{max-width:110px;font-size:11px;}}

.library-create{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px;}
.library-create button{background:#3269df;color:white;min-height:48px;border-radius:12px;padding:12px 20px;font-size:14px;font-weight:600;}
.library-create button:hover{background:#2458c5;}.library-filter input{width:65%;max-width:420px;}
.board-preview{height:150px;font-size:12px;color:#7b899b;background:#fff;border:1px solid #edf0f5;overflow:hidden;}
.board-thumbnail{display:block;width:100%;height:100%;object-fit:contain;}
.card-title{display:block;text-align:left;width:calc(100% - 32px);margin:0 16px 12px;padding:5px 0;font-size:17px;font-weight:600;border-radius:5px;overflow-wrap:anywhere;}
.card-title:hover{color:#3269df;background:#f3f6fb;}.card-title-input{width:calc(100% - 32px);margin:0 16px 12px;padding:5px;border:1px solid #3269df;border-radius:5px;font:inherit;font-size:17px;}
.card-controls .delete-board{color:#be394b;background:#fff1f3;}.card-controls .delete-board:hover{background:#ffe1e6;}
body[data-toolbar-position=bottom] .insert-status{bottom:170px;}
@media(max-width:640px){body[data-toolbar-position=bottom] .insert-status{bottom:210px;}}

.header-left{display:flex;align-items:center;gap:18px;min-width:0;}.header-left>#home-button{min-height:44px;padding:8px 12px;border-radius:10px;background:#eef3fc;font-size:13px;font-weight:600;}
#toolbar-position{width:100%;min-height:48px;margin-top:8px;border:1px solid #dce3ee;border-radius:10px;padding:10px;background:#fff;font:inherit;}
.zoom-controls{position:fixed;right:18px;bottom:12px;z-index:4;}.toolbar{bottom:68px;}
.header-left>#home-button{min-width:44px;}
body[data-toolbar-position=left]>.toolbar .tool,body[data-toolbar-position=right]>.toolbar .tool{height:50px;min-height:50px;}
body[data-toolbar-position=left]>.toolbar .symbol,body[data-toolbar-position=right]>.toolbar .symbol{font-size:25px;line-height:27px;}
body[data-toolbar-position=left]>.toolbar .color,body[data-toolbar-position=right]>.toolbar .color,body[data-toolbar-position=left]>.toolbar .custom-color,body[data-toolbar-position=right]>.toolbar .custom-color{height:42px;}
body[data-toolbar-position=left]>.toolbar .color.selected:after,body[data-toolbar-position=right]>.toolbar .color.selected:after{top:3px;}
body[data-toolbar-position=left]>.toolbar,body[data-toolbar-position=right]>.toolbar{position:fixed;top:90px;bottom:78px;left:12px;right:auto;transform:none;flex-direction:column;flex-wrap:nowrap;justify-content:flex-start;width:80px;max-width:none;gap:4px;overflow:auto;padding:10px 6px;border-radius:16px;}
body[data-toolbar-position=right]>.toolbar{left:auto;right:12px;}
body[data-toolbar-position=left] .toolbar>.colors,body[data-toolbar-position=right] .toolbar>.colors{flex-direction:column;}
body[data-toolbar-position=left] .toolbar>.divider,body[data-toolbar-position=right] .toolbar>.divider{width:44px;height:1px;min-height:1px;}
body[data-toolbar-position=left] .toolbar legend,body[data-toolbar-position=right] .toolbar legend{display:none;}
body[data-toolbar-position=left]>.toolbar>* ,body[data-toolbar-position=right]>.toolbar>*{flex-shrink:0;}
body[data-toolbar-position=right]>.settings{right:104px;}
@media(max-width:640px){.header-left{gap:6px;}.header-left>#home-button{font-size:11px;padding:6px;}.header-left>#home-button span{display:none;}.toolbar{bottom:66px;}.zoom-controls{bottom:10px;right:10px;}.settings{bottom:200px;}body[data-toolbar-position=right]>.settings{right:98px;max-width:calc(100% - 110px);}body[data-toolbar-position=left]>.toolbar,body[data-toolbar-position=right]>.toolbar{width:70px;top:82px;bottom:66px;}}

.inline-text-editor{position:absolute;z-index:3;display:block;min-width:60px;min-height:38px;max-width:none;max-height:none;margin:0;padding:6px;border:1px solid #3269df;border-radius:4px;background:#ffffffeb;box-shadow:0 2px 8px #23304410;outline:none;resize:none;overflow:hidden;font:inherit;white-space:pre;touch-action:auto;}
.selection-actions{max-width:calc(100vw - 16px);flex-wrap:wrap;gap:6px;}.selection-actions #selection-convert{color:#fff;background:#3269df;}

.library-title{display:grid;grid-template-columns:210px minmax(0,1fr);align-items:end;gap:32px;margin-bottom:24px;}.library-title .library-create{margin:0;align-items:center;justify-content:flex-start;justify-self:start;}
.library-filter{margin-top:0;}.folder-row:first-child{margin-top:0;}.folder-row>button:first-child{min-height:50px;padding:14px 12px;}
@media(max-width:700px){.library-title{grid-template-columns:1fr;align-items:start;gap:16px;}.library-title .library-create{gap:8px;}.library-create button{padding:12px 14px;}}

:is(#pen,#width-toggle,#eraser){position:relative;}
:is(#pen,#width-toggle,#eraser):after{content:'';position:absolute;left:50%;top:4px;width:6px;height:6px;border-top:1.5px solid currentColor;border-right:1.5px solid currentColor;transform:translateX(-50%) rotate(-45deg);opacity:.5;transition:opacity .15s ease;pointer-events:none;}
:is(#pen,#width-toggle,#eraser):hover:after,:is(#pen,#width-toggle,#eraser):focus-visible:after,:is(#pen,#width-toggle,#eraser)[aria-expanded=true]:after{opacity:1;}
body[data-toolbar-position=left] :is(#pen,#width-toggle,#eraser):after{left:auto;right:5px;top:50%;transform:translateY(-50%) rotate(45deg);}
body[data-toolbar-position=right] :is(#pen,#width-toggle,#eraser):after{left:5px;top:50%;transform:translateY(-50%) rotate(-135deg);}
@media(prefers-reduced-motion:reduce){:is(#pen,#width-toggle,#eraser):after{transition:none;}}

.selection-actions{padding:5px;gap:5px;border-radius:10px;font-size:12px;}
.selection-actions button{min-height:32px;padding:6px 10px;font-size:12px;border-radius:6px;}
.selection-actions #selection-delete{color:#be394b;background:#fff1f3;}.selection-actions #selection-delete:hover{background:#ffe1e6;}
.selection-actions #selection-duplicate{color:#16734c;background:#e8f7ef;}.selection-actions #selection-duplicate:hover{background:#d5efdf;}
@media(pointer:coarse){.selection-actions button{min-height:44px;}}

.header-left>#home-button,.header-actions>#settings-toggle{display:inline-flex;align-items:center;justify-content:center;gap:9px;}
.header-icon{display:block;width:23px;height:23px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

.folder-row>.named-folder{display:flex;align-items:center;gap:10px;min-width:0;}.folder-icon{width:22px;height:22px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}.folder-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.home-top #resume-board{background:#eef3fc;border-color:#e6ebf3;color:#536178;}.home-top #resume-board:hover{background:#e4eaf4;}
.home-top #logout-button{background:rgba(207,51,78,.08);border-color:rgba(207,51,78,.12);color:#b54255;}.home-top #logout-button:hover{background:rgba(207,51,78,.14);}
.home-top>div:last-child{display:grid;grid-template-columns:auto auto;gap:6px 15px;justify-items:end;}
.home-top #resume-board{grid-column:1;grid-row:1;}
.home-top #logout-button{grid-column:2;grid-row:1;}
.home-top #account-name{grid-column:2;grid-row:2;font-size:12px;text-align:right;}
#selection-convert{color:#7754c6;background:#f2edfc;min-width:34px;display:grid;place-items:center;}
#selection-convert[hidden]{display:none;}
#selection-convert svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.recognition-statistics{margin-top:30px;padding:20px;border:1px solid #e1e7f0;border-radius:14px;background:#fff;}
.statistics-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.statistics-heading h2{font-size:18px;margin:0;}
.statistics-heading button{background:#eef3fc;border-radius:8px;padding:9px 12px;font-size:12px;}
.recognition-statistics p{font-size:14px;}
.recognition-statistics progress{width:100%;height:12px;accent-color:#3269df;}
#statistics-details{font-size:12px;line-height:1.7;color:#6b7d96;margin-top:10px;}
.settings-section[data-unavailable=true]{opacity:.5;}
.settings .settings-fieldset{display:block;border:0;padding:0;margin:0;}
.settings-fieldset>label{display:block;margin-bottom:8px;}
.settings .coming-feature{margin-top:18px;opacity:.5;}
.settings .coming-feature p{font-size:12px;margin:6px 0;}
#pen-panel>button{display:flex;align-items:center;gap:14px;min-height:62px;}
#pen-panel .pen-menu-icon{width:28px;height:28px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
#pen-panel .marker-swatch{stroke:#e9bf32;stroke-width:4;}
.card-controls .download-board{display:grid;place-items:center;min-width:34px;margin-left:auto;color:#3269df;background:#edf3ff;}
.card-controls .download-board:hover{background:#dfeaff;}
.download-board svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.header-actions>#board-logout:not([hidden]){display:inline-flex;align-items:center;justify-content:center;gap:9px;background:rgba(207,51,78,.08);color:#b54255;}
.header-actions>#board-logout:hover{background:rgba(207,51,78,.14);}

#share-dialog{width:min(460px,calc(100vw - 32px))}#share-form{display:grid;gap:12px}#share-form select,#share-search{width:100%;padding:10px}#share-explanation{line-height:1.5} .share-board svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8}.shared-label{display:block;color:#456190;font-size:12px;padding:0 16px 8px}

/* Touch controls are not editable or selectable; real text inputs keep their caret. */
button,button *,nav,.zoom-controls,.zoom-controls *,.insert-panel,.board-context-menu,canvas{-webkit-user-select:none;user-select:none;caret-color:transparent;-webkit-touch-callout:none}
input,textarea,[contenteditable="true"]{-webkit-user-select:text;user-select:text;caret-color:auto}
#eraser-panel{width:240px}#clear-board-open{color:#be394b}

.card-controls.has-sharing{gap:4px;padding-inline:12px;flex-wrap:nowrap}.card-controls.has-sharing>button:not(.share-board):not(.download-board){padding-inline:6px}
.card-controls .share-board,.card-controls .download-board{display:grid;place-items:center;width:36px;min-width:36px;height:36px;padding:9px;color:#3269df;background:#edf3ff}.card-controls .share-board{margin-left:auto}.card-controls .share-board+.download-board{margin-left:0}.card-controls .share-board:hover{background:#dfeaff}.share-board svg{width:18px;height:18px;stroke-linecap:round;stroke-linejoin:round}
.share-search-control{position:relative}#share-suggestions{position:absolute;z-index:2;left:0;right:0;top:calc(100% + 4px);max-height:220px;overflow-y:auto;background:white;border:1px solid #d9e2ef;border-radius:10px;padding:4px;box-shadow:0 8px 24px #23304420}.share-suggestion{display:block;width:100%;text-align:left;padding:12px;border-radius:6px;overflow-wrap:anywhere}.share-suggestion:hover,.share-suggestion[aria-selected=true]{background:#edf3ff;color:#3269df}#share-search-status:empty{display:none}#share-search-status{margin:0;font-size:13px}

/* Expandable board categories in the library navigation. */
.board-filter-toggle{flex:0 0 36px;border-radius:10px;color:#687b96;font-size:18px}.board-filter-toggle:hover{background:#e6eeff}.board-filter-options{padding-left:18px}.board-filter-options[hidden]{display:none}.board-filter-options .folder-row>button:first-child{font-size:13px}.board-filter-toggle:focus-visible{outline:2px solid #3269df;outline-offset:2px}@media(max-width:700px){.board-filter-options{flex-basis:100%;padding-left:18px}.board-filter-options .folder-row{max-width:240px}}