@font-face{font-family:"Ripetia Kalam";src:url("fonts/Kalam-LatinExt.woff2") format("woff2");font-style:normal;font-weight:400;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Ripetia Kalam";src:url("fonts/Kalam-Latin.woff2") format("woff2");font-style:normal;font-weight:400;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
#screen-concept-map{width:100%;max-width:none}
.map-library-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.map-library-heading h2{font-size:18px;margin:0}
.map-library-list{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:8px;max-height:260px;overflow:auto}
.map-library-list:empty{display:none}
.map-library-item{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding:10px 0 2px;min-width:0}
.map-library-name{min-width:0;overflow-wrap:anywhere;font-weight:600}
.map-library-item .btn{flex:none}
.map-library-item[aria-current="true"] .map-library-name{color:var(--teal)}
.map-save-bar{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:0 0 16px}
.map-save-bar input{flex:1 1 200px;max-width:520px;min-width:0;min-height:38px}
.map-save-bar .map-hint{flex-basis:100%;margin:0}
.map-save-bar .map-hint:empty{display:none}
.map-project-bar{display:flex;align-items:end;gap:12px;flex-wrap:wrap}
.map-project-bar label{width:100%;margin:0}
.map-project-bar select{flex:1 1 260px;max-width:520px;min-height:44px;border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--ink);padding:8px 12px}
.map-no-project p{color:var(--muted)}
#map-editor{position:relative;min-width:0}
.map-tools{display:flex;align-items:center;flex-wrap:wrap;gap:7px;padding-bottom:13px;margin-bottom:14px;border-bottom:1px solid var(--line)}
.map-tools .btn{min-height:38px}
.map-tools .btn.active{background:var(--teal-dim);border-color:var(--teal);color:var(--teal)}
.map-undo-button{display:inline-grid;place-items:center;min-width:42px;padding:6px}
.map-undo-button svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.map-shape-picker{position:relative}
.map-shape-picker summary{display:flex;align-items:center;gap:6px;list-style:none;cursor:pointer}
.map-shape-picker summary::-webkit-details-marker{display:none}
.map-shape-picker svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8}
.map-shape-options{position:absolute;left:0;top:calc(100% + 6px);z-index:15;display:grid;gap:5px;width:210px;padding:8px;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:0 10px 26px rgba(24,48,45,.16)}
.map-shape-options .btn{display:flex;align-items:center;gap:9px;justify-content:flex-start;width:100%}
.map-stroke-actions{position:fixed;right:18px;bottom:18px;z-index:30;display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:8px 11px;border:1px solid #B5D0C5;border-radius:9px;background:#F5FAF7;color:var(--teal);font-size:13px;box-shadow:0 8px 24px rgba(24,48,45,.15)}
.map-stroke-actions[hidden]{display:none}
.map-color-control{display:flex;align-items:center;gap:5px;font-size:12px;font-weight:600;margin:0 4px}
.map-color-control input{width:38px;height:38px;padding:2px;border:1px solid var(--line);border-radius:7px;background:var(--paper)}
#map-tool-status{margin:-5px 0 15px}
.map-panel h2{font-size:18px;margin:0 0 12px;color:var(--title)}
.map-hint{color:var(--muted);font-size:13px;line-height:1.55;margin:8px 0 14px}
.map-scroll{max-width:100%;height:min(72vh,800px);min-height:500px;overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff;overscroll-behavior:contain}
.map-canvas{position:relative;width:1400px;height:900px;margin:0}
.map-marquee{position:absolute;z-index:9;pointer-events:none;border:1.5px dashed #176F66;background:rgba(23,111,102,.12)}
.map-lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1}
.map-link-hit{pointer-events:stroke;cursor:move;touch-action:none}
.map-link-selected{stroke-width:5;filter:drop-shadow(0 0 5px #1D8271)}
.map-arrow-handle{fill:#fff!important;stroke:#176F66;stroke-width:2;pointer-events:all;cursor:crosshair;touch-action:none}
.map-ink{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none;overflow:visible}
.map-ink path{fill:none;stroke-linecap:round;stroke-linejoin:round}
.map-ink .map-ink-hit{pointer-events:none}
.map-ink .map-stroke-selected{filter:drop-shadow(0 0 5px #1D8271);stroke-width:5}
.map-ink .map-stroke-multi-selected{filter:drop-shadow(0 0 6px #116E63);stroke-width:5}
.map-canvas.tool-pen .map-ink,.map-canvas.tool-rect .map-ink,.map-canvas.tool-roundRect .map-ink,.map-canvas.tool-circle .map-ink{pointer-events:all;z-index:5;touch-action:none;cursor:crosshair}
.map-canvas:is(.tool-pen,.tool-rect,.tool-roundRect,.tool-circle) .map-node{z-index:6}
.map-canvas:not(.tool-connect):not(.tool-erase) .map-ink .map-ink-hit{pointer-events:stroke;cursor:move;touch-action:none}
.map-canvas.tool-connect{cursor:crosshair;touch-action:none}
.map-canvas.tool-erase .map-ink{z-index:5}
.map-canvas.tool-erase .map-ink .map-ink-hit{pointer-events:stroke;cursor:crosshair}
.map-canvas.tool-text{cursor:text}
.map-text-editor{position:absolute;z-index:8;transform:translate(-50%,-50%);width:320px;min-height:76px;padding:8px 12px;border:2px dashed #93A8A0;border-radius:8px;background:rgba(255,255,255,.96);color:#222;outline:none;font:400 25px/1.25 "Ripetia Kalam","Segoe Print",cursive;resize:both;box-shadow:0 5px 18px rgba(24,48,45,.1)}
.map-text-editor:focus{border-color:var(--teal)}
.map-canvas-empty{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:320px;max-width:80vw;text-align:center;color:var(--muted);font-size:14px;pointer-events:none}
.map-relation-caption{fill:#176F66;font:600 12px var(--font-ui);text-anchor:middle;paint-order:stroke;stroke:#F2F7F3;stroke-width:5px;stroke-linejoin:round}
.map-node{position:absolute;transform:translate(-50%,-50%);width:190px;min-height:58px;padding:10px;border:1px solid #A8C6BA;border-radius:11px;background:#fff;color:var(--ink);font:600 14px/1.35 var(--font-ui);text-align:center;cursor:pointer;overflow-wrap:anywhere;box-shadow:0 3px 9px rgba(24,48,45,.07)}
.map-node{z-index:2}
.map-node.note{width:max-content;min-width:72px;max-width:360px;min-height:44px;padding:5px 9px;border:2px solid transparent;border-radius:9px;background:transparent;color:#222;font:400 25px/1.2 "Ripetia Kalam","Segoe Print",cursive;box-shadow:none;white-space:pre-wrap;text-align:center}
.map-node.note.framed{padding:12px 16px;border-color:#667C73;background:#fff;box-shadow:0 2px 7px rgba(24,48,45,.07)}
.map-node.note.selected:not(.framed){border-color:var(--teal);border-style:dashed;background:rgba(255,255,255,.65)}
.map-node.note.selected.framed{border-color:var(--teal);background:#fff}
.map-node.note:not(.selected):not(.framed):hover{border-color:#B7C8C1}
.map-node.note small{text-align:right}
.map-node.connector-selected{outline:3px solid #BD8429;outline-offset:3px}
.map-node small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:4px}
.map-card-attachments{display:grid;gap:4px;margin-top:7px;font-family:var(--font-ui)}
.map-card-chip{display:block;max-width:100%;padding:4px 7px;border:1px solid #B5D0C5;border-radius:6px;background:#EFF7F3;color:var(--teal);font:600 11px/1.3 var(--font-ui);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:left}
.map-node.selected{border:2px solid var(--teal);background:var(--teal-dim)}
.map-node.multi-selected{outline:3px dashed #176F66;outline-offset:4px}
.map-node{touch-action:none;user-select:none;-webkit-user-select:none}
.map-node.dragging{cursor:grabbing;box-shadow:0 10px 26px rgba(24,48,45,.2);z-index:2}
.map-node:focus-visible{outline:3px solid var(--teal);outline-offset:3px}
.map-node-menu{position:absolute;z-index:12;width:min(380px,calc(100% - 24px));max-height:min(70vh,620px);overflow:auto;padding:16px;border:1px solid #A8C6BA;border-radius:12px;background:#fff;box-shadow:0 14px 40px rgba(24,48,45,.2)}
.map-node-menu[hidden]{display:none}
.map-menu-heading{display:flex;align-items:start;justify-content:space-between;gap:8px}
.map-node-menu h2{font-size:18px;margin:0 0 10px;color:var(--title)}
.map-node-menu>label{display:block;font-weight:650;font-size:13px;margin:12px 0 6px}
#map-card-search,#map-quizzes-search,#map-attached-quiz{display:block;width:100%;min-height:42px;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font:inherit}
.map-card-choices{max-height:230px;overflow:auto;border:1px solid var(--line);border-radius:10px;padding:8px;margin:10px 0}
.map-card-choices label{display:flex;gap:9px;align-items:start;font-size:13px;font-weight:500;padding:7px;border-bottom:1px solid var(--line);overflow-wrap:anywhere}
.map-card-choices label:last-child{border-bottom:0}
.map-card-choices input{margin-top:3px;flex:none}
.map-card-choices small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.map-detail-actions{margin:12px 0}
#map-note-fields{margin:10px 0 16px}
#map-note-fields label{display:block;margin-bottom:6px;font-weight:650}
#map-note-editor{display:block;width:100%;padding:10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font:inherit;resize:vertical;margin-bottom:8px}
.map-quiz{border-color:var(--motivation-line)}
.map-quiz #map-quiz-question{font-size:17px;font-weight:650;color:var(--title)}
.map-quiz #map-quiz-answer{padding:12px;background:var(--teal-dim);border-radius:9px;font-size:15px}
.map-panel #map-mobile-hint{display:none}
.study-sound{display:flex;align-items:center;justify-content:center;gap:9px;flex-wrap:wrap;margin:12px auto 14px;padding:10px 12px;max-width:760px;border:1px solid #47726B;border-radius:10px;color:#D6E5E1}
.study-sound label{margin:0;font-size:12px;font-weight:550}
.study-sound select{min-height:36px;padding:5px 8px;border:1px solid #8EAEA3;border-radius:7px;background:#FFFDF8;color:var(--ink)}
.study-sound input[type=range]{width:90px;accent-color:#C6DBCF}
.study-sound .btn-outline{min-height:34px;background:#FFFDF8;color:var(--ink);padding:5px 10px}
.study-sound .map-hint{margin:0;color:#D6E5E1}
.study-checkpoint{max-width:620px;margin:18px auto 36px;padding:22px;border:1px solid #8EAEA3;border-radius:14px;background:#FFFDF8;color:var(--ink)}
.study-checkpoint h2{font-size:22px;margin:0 0 8px;color:var(--title)}
.study-checkpoint p{font-size:14px;line-height:1.55;color:var(--muted)}
.checkpoint-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:18px 0}
.checkpoint-stats>div{display:flex;flex-direction:column;gap:5px;padding:12px;border:1px solid var(--line);border-radius:9px}
.checkpoint-stats strong{font-size:25px;color:var(--teal)}
.checkpoint-stats span{font-size:12px;color:var(--muted)}
.checkpoint-details{margin:16px 0;border-top:1px solid var(--line);padding-top:14px}
.checkpoint-details summary{cursor:pointer;font-size:13px;font-weight:650;color:var(--teal)}
.checkpoint-list{list-style:none;padding:0;margin:12px 0;max-height:240px;overflow:auto}
.checkpoint-list li{display:flex;gap:9px;padding:8px 0;border-bottom:1px solid var(--line);font-size:13px;overflow-wrap:anywhere}
.checkpoint-ok>span:first-child{color:var(--teal)}
.checkpoint-retry>span:first-child{color:#A34939}
@media(max-width:420px){.checkpoint-stats{gap:5px}.checkpoint-stats>div{padding:8px}.checkpoint-stats span{font-size:11px}}
body.study-mode .batch-rail{justify-content:center;max-width:760px;margin:18px auto 24px}
@media(max-width:769px){.topbar .right{grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-flow:row dense}#save-account-shortcut{grid-column:1/-1;grid-row:3}}
@media(max-width:700px){.map-panel{padding:15px}.map-panel #map-mobile-hint:not([hidden]){display:block}.map-project-bar select,.map-project-bar .btn{width:100%;max-width:none}.map-node-menu{position:fixed;left:10px!important;right:10px;bottom:10px;top:auto!important;width:auto;max-height:72vh}.study-sound{justify-content:flex-start}}
@media(max-width:700px){.map-stroke-actions{left:10px;right:10px;bottom:10px;justify-content:space-between}}