/* Stærðfræðiheimurinn 3.0 — bókaruppsetning og vinnusvæði. */
:root{--v3-ink:#193a48;--v3-teal:#286c69;--v3-stone:#efdfc1;--v3-gold:#d5ab62}
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.fraction-answer-block{padding-top:10px}.fraction-entry-heading{display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between}.entry-tabs{display:flex;flex-wrap:wrap;gap:4px;padding:5px;background:#f0f5f4;border-radius:12px}.entry-tabs button{border:0;background:transparent;padding:10px 12px;color:#395362;border-radius:8px;font:inherit;font-size:12px;min-height:40px;cursor:pointer}.entry-tabs button.active{background:white;color:#17545b;box-shadow:0 2px 6px #1234}.entry-tabs button:disabled{cursor:default}.fraction-answer-row{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin:22px 0 14px}.fraction-editor{display:flex;align-items:center;flex-wrap:wrap;gap:22px;min-width:0}.fraction-entry{display:flex;align-items:center;gap:12px}.fraction-stack{display:flex;flex-direction:column;align-items:center;width:116px;gap:5px}.fraction-stack label{width:100%}.fraction-stack input,.maker-fraction input{font-size:25px;text-align:center;font-weight:650;min-height:50px;margin:0;background:#fff;border:1px solid #bccfd1;border-radius:10px;color:#173c49;width:100%}.fraction-stack input::placeholder,.maker-fraction input::placeholder{font-size:13px;font-weight:400;color:#667b87}.fraction-input-line{height:3px;border-radius:2px;background:#254955;width:100%}.fraction-preview{font-size:21px;max-width:200px;overflow-wrap:anywhere;color:#286b6c}.fraction-preview:before{content:"→ ";font-family:system-ui}.fraction-preview .small{font-size:12px}.whole-entry{width:90px;position:relative}.whole-entry>span{position:absolute;bottom:100%;left:0;font-size:11px;color:#627a84}.whole-entry input{min-height:54px;text-align:center;font-size:25px;margin:0}.typed-math-preview{font-size:22px}.typed-math-preview:empty{display:none}.fraction-answer-row>.answer-label{flex:1;min-width:170px}.input-help{line-height:2}.work-detail p,.solution-box p{line-height:1.9}.report-drawing{max-width:100%}
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@media(min-width:1550px){.work-operation{grid-template-columns:1.4fr .7fr 1.3fr 1.3fr}.workshop-panel{padding:25px}.project-fields{gap:25px}}
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@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
@media print{.book-math{color:inherit!important}.condition-list{break-inside:avoid}.fraction-answer-row{break-inside:avoid}}

.v3-pyramid-scene .scene-progress{left:auto;color:#f1e3c7}.v3-pyramid-scene .scene-progress span{color:#f1e3c7}.realm-room.locked{opacity:.78}.realm-room.locked>span:not(.realm-room-symbol),.realm-room.locked small{color:#c7d3cc}
@media(max-width:480px){.v3-pyramid-scene .scene-progress{left:22px;right:auto}}