/* matematik.biz — Dinamik Geometri (MB Geometri) */
.mbdg{--dg-zemin:#f5f7fb;--dg-kenar:#dfe4ec;--dg-yazi:#1c2533;--dg-soluk:#5b6678;--dg-vurgu:#2563eb;--dg-vurgu-a:#e8f0ff;--dg-btn:40px;--dg-golge:0 1px 2px rgba(16,24,40,.06),0 4px 14px rgba(16,24,40,.06);
  position:relative;display:flex;flex-direction:column;height:min(86vh,1000px);min-height:540px;border:1px solid var(--dg-kenar);border-radius:18px;overflow:hidden;background:var(--dg-zemin);color:var(--dg-yazi);font:14px/1.45 Poppins,system-ui,-apple-system,sans-serif;user-select:none;-webkit-user-select:none;box-shadow:var(--dg-golge)}
.mbdg *{box-sizing:border-box}
.mbdg [hidden]{display:none!important}
.mbdg button{font:inherit;color:inherit;cursor:pointer}
.mbdg svg{display:block}
.mbdg h3,.mbdg h4{margin:0}
/* üst çubuk */
.mbdg-ust-cubuk{display:flex;align-items:center;gap:10px;padding:8px 12px;background:#fff;border-bottom:1px solid var(--dg-kenar);flex-wrap:wrap;position:relative;z-index:6}
.mbdg-marka{display:flex;align-items:center;gap:8px;font-size:15.5px;white-space:nowrap}
.mbdg-logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#2563eb,#8b5cf6 55%,#ec4899);display:grid;place-items:center;box-shadow:0 3px 10px rgba(99,102,241,.35)}
.mbdg-logo svg{width:22px;height:22px;fill:rgba(255,255,255,.25);stroke:#fff;stroke-width:2;stroke-linejoin:round}
.mbdg-logo circle{fill:#fff;stroke:none}
.mbdg-konular-d{display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 14px;border:0;border-radius:12px;background:var(--dg-yazi);color:#fff!important;font-weight:600;box-shadow:0 2px 8px rgba(28,37,51,.25)}
.mbdg-konular-d svg{width:18px;height:18px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round}
.mbdg-konular-d i{font-style:normal;font-size:11px;opacity:.75}
.mbdg-iz-yol{display:flex;align-items:center;gap:6px;min-width:0;flex:1;font-size:13px;color:var(--dg-soluk);overflow:hidden;white-space:nowrap}
.mbdg-iz-yol>*{overflow:hidden;text-overflow:ellipsis}
.mbdg-iz-yol span+span::before,.mbdg-iz-yol span+b::before{content:"›";margin-right:6px;color:#aab3c2}
.mbdg-iz-yol b{color:var(--dg-yazi)}
.mbdg-iz-sinif{background:var(--s);color:#fff;padding:2px 9px;border-radius:999px;font-weight:600;font-size:12px;flex:none}
.mbdg-dugmeler{display:flex;align-items:center;gap:2px;flex-wrap:wrap;margin-left:auto}
.mbdg-dugmeler>button{display:inline-flex;align-items:center;gap:6px;height:var(--dg-btn);min-width:var(--dg-btn);padding:0 9px;border:1px solid transparent;border-radius:10px;background:none;color:var(--dg-soluk)}
.mbdg-dugmeler>button:hover{background:var(--dg-zemin);color:var(--dg-yazi)}
.mbdg-dugmeler>button span{font-size:13px;font-weight:500}
.mbdg-dugmeler svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.mbdg-ayrac{width:1px;height:24px;background:var(--dg-kenar);margin:0 5px}
.mbdg-sec{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--dg-soluk)}
.mbdg-sec select{height:34px;border:1px solid var(--dg-kenar);border-radius:9px;background:#fff;padding:0 8px;font:inherit;color:var(--dg-yazi)}
/* gövde */
.mbdg-govde{flex:1;display:flex;min-height:0}
/* araç rafı: renkli, adı yazılı kartlar */
.mbdg-raf{width:calc(var(--dg-btn) * 3.6 + 16px);flex:none;overflow-y:auto;padding:8px;background:#fff;border-right:1px solid var(--dg-kenar);scrollbar-width:thin}
.mbdg-grup{margin-bottom:10px}
.mbdg-grup h4{display:flex;align-items:center;gap:6px;font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--dg-soluk);margin:2px 2px 6px}
.mbdg-grup h4::before{content:"";width:8px;height:8px;border-radius:3px;background:var(--g)}
.mbdg-grup>div{display:grid;grid-template-columns:repeat(2,1fr);gap:5px}
.mbdg-raf button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:calc(var(--dg-btn) * 1.45);padding:5px 2px;border:1px solid var(--dg-kenar);border-radius:11px;background:#fff;color:var(--g);transition:background .12s,transform .12s,box-shadow .12s}
.mbdg-raf button span{font-size:10.5px;line-height:1.15;font-weight:600;color:var(--dg-yazi);text-align:center}
.mbdg-raf button svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.mbdg-raf button:hover{background:color-mix(in srgb,var(--g) 8%,#fff);border-color:color-mix(in srgb,var(--g) 40%,#fff);transform:translateY(-1px)}
.mbdg-raf button.on{background:var(--g);border-color:var(--g);color:#fff;box-shadow:0 4px 12px color-mix(in srgb,var(--g) 40%,transparent)}
.mbdg-raf button.on span{color:#fff}
/* çizim alanı */
.mbdg-alan{position:relative;flex:1;min-width:0;background:#fff}
.mbdg-svg{width:100%;height:100%;touch-action:none;cursor:crosshair}
.mbdg-secenekler{position:absolute;left:12px;right:12px;top:10px;z-index:3;display:flex;gap:10px;flex-wrap:wrap;pointer-events:none}
.mbdg-secenekler[hidden]{display:none}
.mbdg-cipler{pointer-events:auto;display:inline-flex;align-items:center;gap:4px;flex-wrap:wrap;background:rgba(255,255,255,.97);border:1px solid var(--dg-kenar);border-radius:12px;padding:5px 7px;box-shadow:var(--dg-golge)}
.mbdg-cipler>b{font-size:12px;color:var(--dg-soluk);margin-right:3px}
.mbdg-cipler>span{font-size:12.5px;color:var(--dg-soluk);max-width:520px}
.mbdg-cipler button{min-width:34px;height:32px;padding:0 9px;border:1px solid var(--dg-kenar);border-radius:9px;background:#fff}
.mbdg-cipler button.on{background:var(--dg-vurgu);border-color:var(--dg-vurgu);color:#fff}
.mbdg-cipler button i{display:block;width:16px;height:16px;border-radius:50%}
.mbdg-ipucu{position:absolute;left:14px;bottom:12px;max-width:min(560px,66%);font-size:13px;color:var(--dg-soluk);background:rgba(255,255,255,.95);padding:6px 11px;border-radius:10px;pointer-events:none;box-shadow:var(--dg-golge)}
.mbdg-ipucu:empty{display:none}
/* nesne kartı */
.mbdg-kart{position:absolute;right:14px;bottom:14px;z-index:4;width:min(360px,calc(100% - 28px));max-height:calc(100% - 28px);overflow:auto;background:#fff;border:1px solid var(--dg-kenar);border-radius:16px;box-shadow:0 12px 32px rgba(16,24,40,.16);padding:12px 14px}
.mbdg-kart[hidden]{display:none}
.mbdg-kart-bas{display:flex;align-items:flex-start;gap:8px;margin-bottom:8px}
.mbdg-kart-bas b{flex:1;font-size:14.5px}
.mbdg-kart-bas button{border:0;background:var(--dg-zemin);font-size:20px;line-height:1;width:30px;height:30px;border-radius:9px}
.mbdg-kart dl{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;margin:0 0 10px;font-size:13px}
.mbdg-kart dt{color:var(--dg-soluk)}
.mbdg-kart dd{margin:0;font-weight:600;font-variant-numeric:tabular-nums}
.mbdg-kart-is{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.mbdg-kart-is button,.mbdg-mdugme{min-height:34px;padding:0 11px;border:1px solid var(--dg-kenar);border-radius:9px;background:#fff;font-size:13px}
.mbdg-kart-is button:hover,.mbdg-mdugme:hover{border-color:var(--dg-vurgu);color:var(--dg-vurgu)}
.mbdg-kart-is .mbdg-sil{color:#cf222e;margin-left:auto}
.mbdg-kart-grup{display:inline-flex;align-items:center;gap:4px;flex-wrap:wrap}
.mbdg-kart-grup>b{font-size:12px;color:var(--dg-soluk);margin-right:2px}
.mbdg-renkler{display:inline-flex;gap:4px}
.mbdg-renkler button{width:30px;min-height:30px;padding:0;border-radius:50%}
.mbdg-kayd{display:grid;gap:8px;margin-bottom:10px}
.mbdg-kayd label{display:grid;grid-template-columns:96px 1fr 58px;align-items:center;gap:8px;font-size:12.5px;color:var(--dg-soluk)}
.mbdg-kayd b{color:var(--dg-yazi);font-variant-numeric:tabular-nums;text-align:right}
.mbdg-kayd input[type=range]{width:100%;accent-color:var(--dg-vurgu);height:24px}
.mbdg-mdugme{background:var(--dg-vurgu-a);border-color:transparent;color:var(--dg-vurgu);font-weight:600}
.mbdg-mbilgi{background:var(--dg-zemin);border-radius:12px;padding:9px 11px;font-size:13px;margin-bottom:8px}
.mbdg-mbilgi p{margin:2px 0}
.mbdg-formul{font-weight:700;font-size:14.5px;color:var(--dg-yazi);font-variant-numeric:tabular-nums}
/* sağ panel */
.mbdg-yan{width:300px;flex:none;border-left:1px solid var(--dg-kenar);background:#fff;overflow-y:auto;display:flex;flex-direction:column}
.mbdg-sekme{display:flex;gap:4px;padding:8px 10px 0;border-bottom:1px solid var(--dg-kenar);position:sticky;top:0;background:#fff;z-index:1}
.mbdg-sekme button{flex:1;height:36px;border:0;border-bottom:2px solid transparent;background:none;font-size:13px;font-weight:600;color:var(--dg-soluk)}
.mbdg-sekme button[aria-selected=true]{color:var(--dg-yazi);border-bottom-color:var(--dg-vurgu)}
.mbdg-etk{padding:12px 14px 16px}
.mbdg-etk-bas{border-left:4px solid var(--s);padding:2px 0 2px 10px;margin-bottom:12px}
.mbdg-kod{display:inline-block;background:color-mix(in srgb,var(--s) 14%,#fff);color:var(--s);font-weight:700;font-size:11.5px;padding:2px 8px;border-radius:999px;margin-bottom:5px}
.mbdg-etk-bas h3{font-size:16.5px;line-height:1.3}
.mbdg-etk-bas p{margin:5px 0 0;color:var(--dg-soluk);font-size:13px}
.mbdg-etk h4{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--dg-soluk);margin:12px 0 6px}
.mbdg-hedef{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.mbdg-hedef li{display:flex;gap:9px;align-items:flex-start;font-size:13px;padding:8px 10px;border:1px solid var(--dg-kenar);border-radius:11px;cursor:pointer;background:#fff}
.mbdg-hedef li span{flex:none;width:18px;height:18px;border-radius:6px;border:2px solid #b8c2d1;margin-top:1px}
.mbdg-hedef li.ok{background:#effaf3;border-color:#bfe6cc}
.mbdg-hedef li.ok span{background:#1a7f37 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8l3 3 7-7' stroke='white' stroke-width='2.4' fill='none'/%3E%3C/svg%3E") center/12px no-repeat;border-color:#1a7f37}
.mbdg-canli{margin-top:12px;background:linear-gradient(180deg,#f7f9ff,#eef3ff);border:1px solid #d9e3ff;border-radius:14px;padding:10px 12px;font-size:13.5px}
.mbdg-canli:empty{display:none}
.mbdg-canli p{margin:3px 0}
.mbdg-canli .mbdg-formul{font-size:15.5px}
.mbdg-canli .mbdg-vurgu{color:var(--dg-vurgu);font-weight:700}
.mbdg-etk-is{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:14px}
.mbdg-etk-is button{height:36px;padding:0 12px;border:1px solid var(--dg-kenar);border-radius:10px;background:#fff;font-size:13px}
.mbdg-etk-is a{font-size:13px;font-weight:600;color:var(--dg-vurgu);text-decoration:none}
.mbdg-hosgeldin h3{font-size:16px;margin-bottom:6px}
.mbdg-hosgeldin p{color:var(--dg-soluk);font-size:13px}
.mbdg-oneri{display:grid;gap:6px;margin-top:10px}
.mbdg-oneri button{text-align:left;padding:9px 11px;border:1px solid var(--dg-kenar);border-left:4px solid var(--s);border-radius:11px;background:#fff}
.mbdg-oneri b{display:block;font-size:13px}
.mbdg-oneri small{color:var(--dg-soluk)}
.mbdg-adimlar{margin:0;padding:10px 14px 14px 32px;font-size:12.5px}
.mbdg-adimlar li{padding:3px 4px;border-radius:7px;cursor:pointer}
.mbdg-adimlar li:hover{background:var(--dg-zemin)}
.mbdg-adimlar li.bos{list-style:none;margin-left:-20px;color:var(--dg-soluk);cursor:default}
.mbdg-adimlar li.gorundu{color:var(--dg-soluk)}
.mbdg-adimlar li[aria-current]{background:var(--dg-vurgu-a);color:var(--dg-yazi);font-weight:600}
/* konular menüsü */
.mbdg-menu{position:absolute;inset:0;z-index:12;background:rgba(15,23,42,.38);backdrop-filter:blur(2px);display:flex;justify-content:center;align-items:flex-start;padding:62px 16px 16px}
.mbdg-menu[hidden]{display:none}
.mbdg-menu-ic{width:min(1080px,100%);max-height:100%;overflow:auto;background:#fff;border-radius:20px;box-shadow:0 24px 60px rgba(15,23,42,.28)}
.mbdg-menu-bas{display:flex;align-items:center;gap:14px;padding:14px 18px;border-bottom:1px solid var(--dg-kenar);position:sticky;top:0;background:#fff;z-index:1}
.mbdg-menu-bas>b{font-size:17px}
.mbdg-menu-sinif{display:flex;gap:8px;flex-wrap:wrap}
.mbdg-menu-sinif button{display:flex;align-items:center;gap:8px;height:52px;padding:0 14px 0 6px;border-radius:14px;border:2px solid var(--s);background:#fff;color:var(--s);font-weight:700;transition:transform .12s}
.mbdg-menu-sinif button:hover{transform:translateY(-1px)}
.mbdg-menu-sinif button>b{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--s);color:#fff;font-size:22px;line-height:1}
.mbdg-menu-sinif button span{display:flex;flex-direction:column;font-size:14px;line-height:1.1;text-align:left}
.mbdg-menu-sinif button small{font-size:11px;font-weight:500;opacity:.8}
.mbdg-menu-sinif button[aria-selected=true]{background:var(--s);color:#fff;box-shadow:0 4px 14px color-mix(in srgb,var(--s) 45%,transparent)}
.mbdg-menu-sinif button[aria-selected=true]>b{background:#fff;color:var(--s)}
.mbdg-menu-bas{flex-wrap:wrap;border-top:5px solid var(--s);border-radius:20px 20px 0 0}
.mbdg-menu-ara{display:flex;align-items:center;gap:6px;flex:1;min-width:180px;max-width:320px;height:42px;padding:0 12px;border:1px solid var(--dg-kenar);border-radius:12px;background:var(--dg-zemin)}
.mbdg-menu-ara svg{width:18px;height:18px;fill:none;stroke:var(--dg-soluk);stroke-width:2;stroke-linecap:round;flex:none}
.mbdg-menu-ara input{border:0;background:none;outline:none;font:inherit;width:100%;min-width:0}
.mbdg-menu-yok{color:var(--dg-soluk);padding:18px 4px}
.mbdg-menu-kartlar button.on{border-color:var(--s);box-shadow:inset 0 0 0 1.5px var(--s)}
.mbdg-menu-kapat{margin-left:auto;width:38px;height:38px;border:0;border-radius:11px;background:var(--dg-zemin);font-size:22px}
.mbdg-menu-govde{padding:6px 18px 18px}
.mbdg-menu-govde section{margin-top:12px}
.mbdg-menu-govde h4{display:flex;align-items:center;gap:8px;font-size:12px;text-transform:uppercase;letter-spacing:.07em;color:var(--s);margin-bottom:8px}
.mbdg-menu-govde h4::after{content:"";flex:1;height:1px;background:var(--dg-kenar)}
.mbdg-menu-kartlar{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:8px}
.mbdg-menu-kartlar button{display:flex;align-items:center;gap:10px;text-align:left;padding:10px 12px;border:1px solid var(--dg-kenar);border-radius:14px;background:#fff;min-height:64px;transition:transform .12s,box-shadow .12s,border-color .12s}
.mbdg-menu-kartlar button:hover{transform:translateY(-2px);box-shadow:var(--dg-golge);border-color:var(--s)}
.mbdg-mk-ikon{flex:none;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:color-mix(in srgb,var(--s) 13%,#fff);color:var(--s)}
.mbdg-mk-ikon svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.mbdg-menu-kartlar b{display:block;font-size:13.5px;line-height:1.3}
.mbdg-menu-kartlar small{color:var(--dg-soluk);font-size:11.5px}
/* çizim öğeleri */
.mbdg-iz{stroke:#e8ecf2;stroke-width:1;fill:none}
.mbdg-izn{stroke:#a3adbb;stroke-width:3;stroke-linecap:round}
.mbdg-eksen{stroke:#5b6678;stroke-width:1.6}
.mbdg-eksenuc{fill:#5b6678}
.mbdg-eksenyazi{font-size:11px;fill:#5b6678;text-anchor:middle}
.mbdg-sag{text-anchor:end}
.mbdg-eksenad{font-size:14px;font-style:italic;fill:#24292f}
.mbdg-ad{font-size:16px;font-weight:600;fill:#0a3069;paint-order:stroke;stroke:#fff;stroke-width:3px;pointer-events:none}
.mbdg-italik{font-style:italic}
.mbdg-olcu{font-size:13.5px;font-weight:600;fill:#24292f;paint-order:stroke;stroke:#fff;stroke-width:4px;pointer-events:none}
.mbdg-orta{text-anchor:middle}
.mbdg-kesiryazi{font-size:17px;font-weight:700;fill:#0a3069;pointer-events:none}
.mbdg-duvaryazi{font-size:12px;fill:#24292f;text-anchor:middle;pointer-events:none}
.mbdg-myazi{font-size:14px;font-weight:600;fill:#1c2533;paint-order:stroke;stroke:#fff;stroke-width:4px;pointer-events:none}
.mbdg-yazi{font-weight:600}
.mbdg-tutamac{cursor:grab}
.mbdg-parca{cursor:pointer}
.mbdg-parca:hover{filter:brightness(.95)}
.mbdg-secili .mbdg-parca{stroke-width:2.2}
.mbdg-model{cursor:move}
.mbdg-kalemde .mbdg-svg{cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='22' height='22'%3E%3Cpath d='M3 19l3-1 11-11-2-2L4 16z' fill='%23fff' stroke='%23000'/%3E%3C/svg%3E") 2 20,crosshair}
/* pencere */
.mbdg-pencere{position:absolute;inset:0;z-index:14;background:rgba(15,23,42,.38);display:grid;place-items:center;padding:16px}
.mbdg-pencere[hidden]{display:none}
.mbdg-p-ic{position:relative;background:#fff;border-radius:18px;max-width:760px;width:100%;max-height:100%;overflow:auto;padding:20px 22px;box-shadow:0 24px 60px rgba(15,23,42,.28)}
.mbdg-p-ic h3{margin:0 40px 6px 0;font-size:18px}
.mbdg-p-ic p{margin:4px 0 10px;color:var(--dg-soluk)}
.mbdg-p-kapat{position:absolute;right:10px;top:8px;border:0;background:none;font-size:26px;width:40px;height:40px;border-radius:10px}
.mbdg-qr{display:grid;place-items:center;min-height:120px}
.mbdg-qr svg{width:240px;height:240px}
.mbdg-buyuk{height:44px;padding:0 18px;border-radius:12px;border:0;background:var(--dg-vurgu);color:#fff!important;font-weight:600}
.mbdg-adres{font-size:12px;word-break:break-all}
/* akıllı tahta */
.mbdg.mbdg-tahta{--dg-btn:56px;font-size:16px}
.mbdg-tahta .mbdg-dugmeler svg{width:26px;height:26px}
.mbdg-tahta .mbdg-raf button svg{width:28px;height:28px}
.mbdg-tahta .mbdg-raf button span{font-size:12.5px}
.mbdg-tahta .mbdg-cipler button{min-width:48px;height:46px;font-size:16px}
.mbdg-tahta .mbdg-kart-is button,.mbdg-tahta .mbdg-mdugme{min-height:46px;font-size:15px}
.mbdg-tahta .mbdg-kayd label{grid-template-columns:120px 1fr 70px;font-size:15px}
.mbdg-tahta .mbdg-kayd input[type=range]{height:36px}
.mbdg-tahta .mbdg-yan{width:340px}
.mbdg-tahta .mbdg-hedef li,.mbdg-tahta .mbdg-canli,.mbdg-tahta .mbdg-etk-bas p{font-size:15.5px}
.mbdg-tahta .mbdg-ad{font-size:20px}
.mbdg-tahta .mbdg-olcu,.mbdg-tahta .mbdg-myazi{font-size:17px}
.mbdg-tahta .mbdg-dugmeler>button[data-is="tahta"]{background:var(--dg-vurgu);color:#fff}
.mbdg:fullscreen,.mbdg.mbdg-tamekran{height:100vh;border-radius:0;border:0}
.mbdg.mbdg-tamekran{position:fixed;inset:0;z-index:99999}
/* sayfada: dar içerik sütunundan taşıp ekran genişliğine yayılır (en çok 1480 px) */
.mbdg-yer{width:min(1480px,calc(100vw - 32px))!important;max-width:none!important;margin:16px 0 24px calc(50% - min(740px,calc(50vw - 16px)))!important}
/* orta genişlik: sağ panel daralır */
@media (max-width:1180px){.mbdg-yan{width:250px}.mbdg-iz-yol{display:none}}
/* dar ekran: araçlar üstte yatay şerit, panel alttan açılır */
@media (max-width:820px){
  .mbdg-yer{width:calc(100vw - 16px)!important;margin-left:calc(50% - 50vw + 8px)!important}
  .mbdg{height:calc(100svh - 70px);min-height:480px;border-radius:14px}
  .mbdg-govde{flex-direction:column}
  .mbdg-raf{width:auto;flex:none;display:flex;gap:10px;overflow-x:auto;overflow-y:hidden;border-right:0;border-bottom:1px solid var(--dg-kenar);padding:6px}
  .mbdg-grup{margin:0;flex:none}
  .mbdg-grup h4{display:none}
  .mbdg-grup>div{display:flex;gap:4px}
  .mbdg-raf button{width:58px;min-height:52px}
  .mbdg-yan{width:auto;max-height:34%;border-left:0;border-top:1px solid var(--dg-kenar);order:3}
  .mbdg-dugmeler>button span,.mbdg-sec>span,.mbdg-marka b{display:none}
  .mbdg-kart{left:8px;right:8px;width:auto;bottom:8px}
  .mbdg-menu{padding:8px}
}
.mbdg-etk-kayd{margin-top:12px}
.mbdg-etk-kayd label{grid-template-columns:90px 1fr 54px}
.mbdg-etk-dugme{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.mbdg-raf [data-alet-ekle]{--g:#b35c00}
/* ---------- kamera ---------- */
.mbdg-video,.mbdg-foto{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#111;z-index:0}
.mbdg-alan>.mbdg-svg{position:relative;z-index:1}
.mbdg-kamerada .mbdg-alan{background:#111}
.mbdg-kam{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);z-index:4;display:flex;gap:6px;align-items:center;background:rgba(15,23,42,.82);color:#fff;padding:6px 8px;border-radius:14px;box-shadow:0 6px 20px rgba(0,0,0,.3);font-size:13px}
.mbdg-kam button{border:0;background:rgba(255,255,255,.14);color:#fff!important;border-radius:9px;padding:7px 11px;font-weight:600}
.mbdg-kam button:hover{background:rgba(255,255,255,.26)}
.mbdg-kam label{display:flex;align-items:center;gap:6px;padding:0 4px}.mbdg-kam input{width:90px}
/* ---------- araç kutusu ---------- */
.mbdg-kutu{position:absolute;inset:0;z-index:12;background:rgba(15,23,42,.28);display:flex;justify-content:flex-end;align-items:flex-start;padding:58px 12px 12px}
.mbdg-kutu[hidden]{display:none}
.mbdg-kutu-ic{width:min(760px,100%);max-height:100%;overflow:auto;background:#fff;border-radius:18px;box-shadow:0 24px 60px rgba(15,23,42,.28)}
.mbdg-kutu-bas{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--dg-kenar)}
.mbdg-kutu-bas b{font-size:16px}
.mbdg-kutu-govde{display:grid;grid-template-columns:repeat(3,1fr);gap:4px 14px;padding:10px 14px 14px}
.mbdg-kutu-govde h4{font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--dg-soluk);margin:6px 4px 6px}
.mbdg-kutu-govde button{display:flex;align-items:center;gap:10px;width:100%;text-align:left;border:1px solid transparent;background:none;border-radius:11px;padding:7px 8px}
.mbdg-kutu-govde button:hover{background:var(--dg-zemin);border-color:var(--dg-kenar)}
.mbdg-kutu-govde button.on{background:#fff4e8;border-color:#f3c79a}
.mbdg-kutu-govde svg{width:30px;height:30px;flex:none;padding:5px;border-radius:9px;background:#f1f4f9;fill:none;stroke:#b35c00;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.mbdg-kutu-govde span{display:flex;flex-direction:column;min-width:0}
.mbdg-kutu-govde b{font-size:13.5px}.mbdg-kutu-govde small{font-size:11.5px;color:var(--dg-soluk);line-height:1.3}
/* ---------- etkinlik gezinme ve tablolar ---------- */
.mbdg-etk-gez{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-top:9px}
.mbdg-etk-gez button{border:1px solid var(--dg-kenar);background:#fff;border-radius:9px;padding:5px 10px;font-size:12.5px;font-weight:600}
.mbdg-etk-gez button:disabled{opacity:.35;cursor:default}
.mbdg-etk-gez span{font-size:11.5px;color:var(--dg-soluk);text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mbdg-tablo{border-collapse:collapse;margin:6px 0;font-size:13px;font-variant-numeric:tabular-nums}
.mbdg-tablo th,.mbdg-tablo td{border:1px solid var(--dg-kenar);padding:3px 7px;text-align:center}.mbdg-tablo th{background:#f3f5f9;font-weight:600}
.mbdg-mbilgi .mbdg-vurgu{color:var(--dg-vurgu);font-weight:700}
.mbdg-buyuk{font-size:19px}
@media (max-width:820px){.mbdg-kutu-govde{grid-template-columns:1fr}.mbdg-kutu{padding:8px}.mbdg-kam{flex-wrap:wrap;justify-content:center;width:calc(100% - 20px)}.mbdg-dugmeler>button span{display:none}}

/* 1.3: sınıf hapları (üst çubuk), sınıf kartları (hoş geldiniz) */
.mbdg-sinif-hap{display:flex;gap:4px}
.mbdg-sinif-hap button{display:flex;flex-direction:column;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:2px solid var(--s);background:#fff;color:var(--s);line-height:1;padding:0;transition:transform .12s,background .12s}
.mbdg-sinif-hap button b{font-size:19px;font-weight:800}
.mbdg-sinif-hap button small{font-size:9px;font-weight:600;letter-spacing:.02em;margin-top:1px}
.mbdg-sinif-hap button:hover{transform:translateY(-1px);background:color-mix(in srgb,var(--s) 12%,#fff)}
.mbdg-sinif-hap button[aria-pressed=true]{background:var(--s);color:#fff;box-shadow:0 3px 10px color-mix(in srgb,var(--s) 45%,transparent)}
.mbdg-konular-d{height:44px;font-size:15px;padding:0 16px;transition:background .2s}
.mbdg-iz-sinif{font-size:13px;padding:3px 11px}
.mbdg-sinif-kart{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0 4px}
.mbdg-sinif-kart button{display:flex;align-items:center;gap:10px;padding:10px;border:0;border-radius:14px;background:color-mix(in srgb,var(--s) 14%,#fff);text-align:left;transition:transform .12s,box-shadow .12s}
.mbdg-sinif-kart button:hover{transform:translateY(-2px);box-shadow:0 6px 16px color-mix(in srgb,var(--s) 30%,transparent)}
.mbdg-sinif-kart b{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--s);color:#fff;font-size:24px;font-weight:800;flex:none}
.mbdg-sinif-kart strong{display:block;font-size:14px}.mbdg-sinif-kart small{font-size:11.5px;color:var(--dg-soluk)}
.mbdg-oneri-bas{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--dg-soluk);margin:14px 0 6px!important}
.mbdg-tahta .mbdg-sinif-hap button{width:58px;height:58px}.mbdg-tahta .mbdg-sinif-hap button b{font-size:25px}
@media (max-width:760px){.mbdg-sinif-hap button{width:38px;height:38px}.mbdg-sinif-hap button b{font-size:16px}.mbdg-sinif-hap button small{display:none}.mbdg-menu-sinif button{height:44px}.mbdg-menu-sinif button span small{display:none}.mbdg-menu-ara{max-width:none;order:5;flex-basis:100%}}
/* 1.3: nesne kartı denetimleri, küp yapısı */
.mbdg-cizgirenk button.on{box-shadow:0 0 0 2px #fff,0 0 0 4px #1c2533}
.mbdg-koor input{width:66px;height:32px;border:1px solid var(--dg-kenar);border-radius:8px;padding:0 6px;font:inherit;text-align:center;user-select:text;-webkit-user-select:text}
.mbdg-koor button{margin-left:4px}
.mbdg-kupyon{font-size:12px;font-weight:700;fill:#8a5a2b;letter-spacing:.08em;pointer-events:none}
.mbdg-kup .mbdg-parca{cursor:grab}
.mbdg-cizgirenk{align-items:center;flex-wrap:wrap}.mbdg-cizgirenk>b{font-size:12px;color:var(--dg-soluk);margin-right:4px}
.mbdg-iz-yol{min-width:60px}
.mbdg-hedefg{display:flex;gap:10px;flex-wrap:wrap;margin:4px 0 6px}
.mbdg-hedefg figure{margin:0;padding:6px 8px;border:1.5px solid var(--dg-kenar);border-radius:10px;background:#fff;text-align:center}
.mbdg-hedefg figure.ok{border-color:#1a7f37;background:#effaf2}
.mbdg-hedefg figcaption{font-size:11.5px;font-weight:600;color:var(--dg-soluk);margin-top:3px}.mbdg-hedefg figure.ok figcaption{color:#1a7f37}
.mbdg-puan{font-size:13px}.mbdg-puan b{font-size:15px}
.mbdg-tamam{color:#1a7f37;font-weight:600}
.mbdg-liste{margin:4px 0;padding-left:18px;font-size:13px}

/* Kâğıda aktar (1.4) */
.mbdg-kg{display:grid;grid-template-columns:minmax(220px,300px) 1fr;gap:16px;align-items:start}
.mbdg-kg-ayar{display:grid;gap:10px}
.mbdg-kg-ayar label{display:grid;gap:4px;font-size:14px;font-weight:600;color:var(--dg-yazi,#1f2937)}
.mbdg-kg-ayar select,.mbdg-kg-ayar textarea{font:inherit;font-weight:400;border:1px solid #cfd6dc;border-radius:10px;padding:8px 10px;background:#fff}
.mbdg-kg-ayar .mbdg-kg-ku{display:flex;align-items:center;gap:8px;font-weight:500}
.mbdg-kg-ku input{width:20px;height:20px}
.mbdg-kg-on{border:1px dashed #cfd6dc;border-radius:12px;background:#fff;padding:12px;min-height:220px;display:grid;place-items:center;gap:6px}
.mbdg-kg-on svg{max-width:100%;max-height:340px;height:auto;width:auto}
.mbdg-kg-on small{color:var(--dg-soluk,#5f676c)}
.mbdg-kg-dugmeler{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px!important}
.mbdg-kg-ikincil{background:#eef2f6!important;color:#1f2937!important}
.mbdg-kg-not{font-size:12.5px}
@media(max-width:640px){.mbdg-kg{grid-template-columns:1fr}}
/* 1.4 · denetlenen görevler ve etkinlik ödevi */
.mbdg-gorev-bas{display:flex;align-items:center;gap:8px}
.mbdg-gsay{font-size:12px;font-weight:700;background:#eef2f7;color:#24292f;border-radius:20px;padding:2px 9px}
.mbdg-gorev{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.mbdg-gorev li{display:flex;gap:9px;align-items:flex-start;font-size:13px;padding:8px 10px;border:1px dashed #b8c2d1;border-radius:11px;background:#fff;transition:background .25s,border-color .25s}
.mbdg-gorev li span{flex:none;width:18px;height:18px;border-radius:50%;border:2px solid #b8c2d1;margin-top:1px}
.mbdg-gorev li.ok{background:#effaf3;border:1px solid #bfe6cc}
.mbdg-gorev li.ok span{background:#1a7f37 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8l3 3 7-7' stroke='white' stroke-width='2.4' fill='none'/%3E%3C/svg%3E") center/12px no-repeat;border-color:#1a7f37}
.mbdg-gorev-liste{margin:10px 0}
.mbdg-etk-is .mbdg-odev-ver{background:#1a7d6c;color:#fff;border-color:#1a7d6c;font-weight:700}
.mbdg-odev-bant{display:grid;gap:6px;margin:0 0 10px;padding:10px 12px;border-radius:12px;background:#fff7e6;border:1px solid #f2c97d;font-size:13px}
.mbdg-odev-bant b{font-size:14px}
.mbdg-odev-bant button{justify-self:start;background:#1a7d6c;color:#fff;border:0;border-radius:10px;padding:8px 16px;font:inherit;font-weight:700;cursor:pointer;min-height:40px}
.mbdg-odev-bant button:disabled{opacity:.6}
.mbdg-odev-msj:empty{display:none}
.mbdg-odev-msj{font-weight:600;color:#0a5c2e}
.mbdg-odev-kod{font-size:30px;font-weight:800;letter-spacing:.08em;text-align:center;margin:6px 0;color:#1a7d6c}
.mbdg-odev-dug{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.mbdg-kucuk-not{font-size:12px;color:#57606a}
.mbdg-odev-gecmis{list-style:none;padding:0;margin:0;display:grid;gap:4px;font-size:13px}
.mbdg-odev-kartlar{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:8px 0}
.mbdg-odev-kartlar div{background:#f6f8fa;border-radius:12px;padding:10px;text-align:center}
.mbdg-odev-kartlar b{display:block;font-size:24px;color:#1a7d6c}
.mbdg-odev-kartlar span{font-size:12px;color:#57606a}
.mbdg-odev-cubuk{list-style:none;padding:0;margin:0;display:grid;gap:6px;font-size:13px}
.mbdg-odev-cubuk li{display:grid;grid-template-columns:1fr 90px 44px;gap:8px;align-items:center}
.mbdg-odev-cubuk i{display:block;height:10px;border-radius:6px;background:linear-gradient(90deg,#1a7d6c var(--y),#e6ebf1 var(--y))}
.mbdg-odev-tablo{width:100%;border-collapse:collapse;font-size:12.5px}
.mbdg-odev-tablo th,.mbdg-odev-tablo td{padding:5px 6px;border-bottom:1px solid #e6ebf1;text-align:left}
@media (max-width:520px){.mbdg-odev-kartlar{grid-template-columns:1fr}.mbdg-odev-cubuk li{grid-template-columns:1fr 60px 40px}}
.mbdg-odev-rapor h4{margin:14px 0 6px;font-size:14px}
/* 1.5 · komut satırı, akıllı kalem, varsayım defteri */
.mbdg-komut{position:absolute;left:12px;right:12px;bottom:50px;z-index:6;display:grid;grid-template-columns:auto 1fr auto auto;gap:6px;align-items:center;background:rgba(255,255,255,.97);border:1px solid var(--dg-kenar);border-radius:14px;padding:6px 8px;box-shadow:var(--dg-golge);max-width:720px}
.mbdg-komut[hidden]{display:none}
.mbdg-komut>span{font-size:18px;color:#57606a;padding:0 2px}
.mbdg-komut input{font:inherit;font-size:15px;border:0;outline:0;background:transparent;min-width:0;padding:6px 4px}
.mbdg-komut button{font:inherit;font-size:13px;font-weight:700;border:0;border-radius:10px;padding:7px 12px;cursor:pointer;background:#eef2f7;color:#24292f;min-height:36px}
.mbdg-komut button[type=submit]{background:#1a7d6c;color:#fff}
.mbdg-komut-sonuc{grid-column:1/-1;margin:0;font-size:12.5px;padding:0 4px}
.mbdg-komut-sonuc:empty{display:none}
.mbdg-komut-sonuc.ok{color:#0a5c2e}.mbdg-komut-sonuc.hata{color:#b42318}
.mbdg-komut-tablo{width:100%;border-collapse:collapse;font-size:13px}
.mbdg-komut-tablo td{padding:5px 6px;border-bottom:1px solid #e6ebf1;vertical-align:top}
.mbdg-komut-tablo code{background:#f6f8fa;border-radius:6px;padding:2px 6px;white-space:nowrap}
.mbdg-defter{padding:2px 2px 10px}
.mbdg-defter h4{margin:4px 0}
.mbdg-defter-f{display:flex;gap:6px;margin:8px 0}
.mbdg-defter-f input{flex:1;min-width:0;font:inherit;font-size:14px;border:1px solid var(--dg-kenar);border-radius:10px;padding:8px 10px}
.mbdg-defter-f button{font:inherit;font-weight:700;border:0;border-radius:10px;padding:8px 14px;background:#1a7d6c;color:#fff;cursor:pointer}
.mbdg-defter-ornek{display:flex;flex-wrap:wrap;gap:5px}
.mbdg-defter-ornek button{font:inherit;font-size:12px;border:1px solid var(--dg-kenar);background:#fff;border-radius:20px;padding:4px 9px;cursor:pointer}
.mbdg-defter-l{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:6px}
.mbdg-defter-l li{display:grid;grid-template-columns:24px 1fr auto;gap:8px;align-items:start;border:1px solid var(--dg-kenar);border-radius:11px;padding:8px 9px;background:#fff}
.mbdg-defter-l li>b{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:13px;color:#fff;background:#8c959f}
.mbdg-defter-l li.d-genel>b,.mbdg-defter-l li.d-dogru1>b{background:#1a7f37}.mbdg-defter-l li.d-karsi>b,.mbdg-defter-l li.d-yanlis>b{background:#cf222e}
.mbdg-defter-l code{font-size:13px;font-weight:700;word-break:break-word}
.mbdg-defter-l small{display:block;font-size:12px;color:#57606a;margin-top:2px}
.mbdg-defter-l button{border:0;background:none;font-size:18px;color:#8c959f;cursor:pointer}
.mbdg-defter-bos{font-size:13px;color:#57606a}