/* ==========================================================================
   SBD Forum — Ders Takvimi (v6.28.0)
   Tema: .sdt[data-tema="acik"] (varsayılan) / .sdt[data-tema="koyu"]
   Sınıf renkleri (SBD Planlar ile aynı): 5 mavi · 6 yeşil · 7 turuncu · 8 mor
   ========================================================================== */
.sdt{
  --lac:#0b2b45;--mavi:#0088ff;--kir:#e4223f;--metin:#14212e;--soluk:#62748a;--cizgi:#e3e9f0;--zemin:#f4f6f9;
  /* açık tema */
  --hero-bg:linear-gradient(180deg,#f9fbfd 0%,#eef3f8 100%);
  --hero-fg:#0b2b45;--hero-soluk:#6b7b8d;--hero-vurgu:#0088ff;
  --cam:#fff;--cam-cizgi:#dde5ee;--cam-on:#0b2b45;--cam-on-fg:#fff;
  --kart-bg:#fff;--kart-fg:#0b2b45;--kart-soluk:#7a8a9b;--kart-cizgi:#e4eaf1;--kart-golge:0 6px 18px rgba(11,43,69,.08);--kart-orta:0 24px 48px rgba(11,43,69,.18);
  --gun-bg:#f1f5f9;--gun-fg:#3d4d5d;
  --tatil-bg:#f6f8fb;--tatil-fg:#5b6b7d;
  --iz-bg:rgba(11,43,69,.08);--bugun:#0b2b45;
  --sok-bg:#fff;--sok-fg:#0b2b45;
  font:15px/1.5 Inter,"Segoe UI",system-ui,-apple-system,Roboto,sans-serif;color:var(--metin);background:var(--zemin);
  -webkit-font-smoothing:antialiased;position:relative;margin:0 0 24px;border-radius:0 0 18px 18px;overflow:clip}
.sdt[data-tema="koyu"]{
  --hero-bg:radial-gradient(900px 420px at 15% -10%,#2f6ea6,transparent 60%),linear-gradient(170deg,#1a4470,#1e3a5c);
  --hero-fg:#fff;--hero-soluk:#b3c6da;--hero-vurgu:#6ad4ff;
  --cam:rgba(255,255,255,.10);--cam-cizgi:rgba(255,255,255,.2);--cam-on:#fff;--cam-on-fg:#0b2b45;
  --kart-bg:#25507a;--kart-fg:#fff;--kart-soluk:#b3c6da;--kart-cizgi:rgba(255,255,255,.12);--kart-golge:0 8px 22px rgba(8,25,45,.3);--kart-orta:0 24px 50px rgba(8,25,45,.45);
  --gun-bg:rgba(255,255,255,.12);--gun-fg:#fff;
  --tatil-bg:#204568;--tatil-fg:#dbe8f5;
  --iz-bg:rgba(255,255,255,.18);--bugun:#fff;
  --sok-bg:#fff;--sok-fg:#0b2b45}
.sdt *,.sdt *:before,.sdt *:after{box-sizing:border-box}
.sdt a{text-decoration:none;color:inherit}
.sdt button{font:inherit}
.sdt-ic{max-width:1120px;margin:0 auto;padding:0 18px}

/* ---------- üst çerçeve (parallax) ---------- */
.sdt-hero{background:var(--hero-bg);color:var(--hero-fg);padding:12px 0 2px;position:relative;overflow:hidden;touch-action:pan-y;user-select:none;-webkit-user-select:none}
.sdt-hero.surukle{cursor:grabbing}
.sdt-hero:before{content:"";position:absolute;left:-10%;right:-10%;top:-40%;height:120%;background:radial-gradient(closest-side,color-mix(in srgb,var(--hero-vurgu) 14%,transparent),transparent);transform:translateY(var(--py,0));pointer-events:none;opacity:.8}
.sdt-hero .sdt-ic{position:relative}
.sdt-sat{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.sdt-logo{display:inline-flex;align-items:center;gap:10px;background:#fff;padding:6px 10px 6px 8px;border-radius:12px;box-shadow:0 4px 14px rgba(11,43,69,.10);white-space:nowrap;border:1px solid var(--cam-cizgi)}
.sdt-logo img{height:28px;width:auto;display:block}
.sdt-logo span{font-weight:900;color:var(--lac)}
.sdt-logo__f{font-size:10px;letter-spacing:.14em;font-weight:900;padding:4px 7px;border-radius:6px;background:var(--lac);color:#fff!important}
.sdt-yil{font-size:12px;font-weight:700;color:var(--hero-soluk);margin-left:2px}
.sdt-katki{margin-left:auto}

/* ---------- sınıf seçimi: manşetin altında, büyük renkli haplar ---------- */
.sdt{--s5:#1B9AD9;--s6:#12A48A;--s7:#F08A24;--s8:#7B5BC7}
.sdt-sinif{display:flex;align-items:center;gap:8px;margin:14px 0 0;flex-wrap:wrap}
.sdt-sinif__etiket{font-size:11px;font-weight:900;letter-spacing:.14em;text-transform:uppercase;color:var(--hero-soluk);margin-right:4px}
.sdt-sinif a{--sc:#5b6b7c;display:inline-flex;align-items:baseline;gap:1px;padding:9px 16px 9px 13px;border-radius:12px;font-weight:800;font-size:14px;line-height:1;white-space:nowrap;cursor:pointer;
  color:var(--sc);background:var(--cam);border:2px solid color-mix(in srgb,var(--sc) 55%,transparent);transition:transform .15s,box-shadow .15s,background .15s,color .15s}
.sdt-sinif a b{font-size:21px;font-weight:900;letter-spacing:-.03em}
.sdt-sinif a.s5{--sc:var(--s5)}.sdt-sinif a.s6{--sc:var(--s6)}.sdt-sinif a.s7{--sc:var(--s7)}.sdt-sinif a.s8{--sc:var(--s8)}
.sdt-sinif a:hover{background:color-mix(in srgb,var(--sc) 12%,var(--cam));transform:translateY(-1px)}
.sdt-sinif a.on{background:var(--sc);border-color:var(--sc);color:#fff;transform:scale(1.06);box-shadow:0 8px 20px -4px color-mix(in srgb,var(--sc) 70%,transparent)}
.sdt-sinif a.on:after{content:"✓";font-size:12px;margin-left:8px;font-weight:900;align-self:center}
/* 7. sınıfın turuncusu (#F08A24) üstünde beyaz metin 2.51:1 — WCAG'ın en gevşek
   sınırı olan 3:1'in de altında, akıllı tahtada 3 m'den okunmuyor. Marka rengi
   aynen korunur, dolgunun üstündeki mürekkep koyulaşır: 8.3:1. Diğer üç sınıf
   beyazla sınırı tuttuğu için değiştirilmedi. */
.sdt-sinif a.s7.on{color:#2b1a04}
.sdt[data-tema="koyu"] .sdt-sinif a.s7.on,
.sdt[data-tema="koyu"] .sdt-sinif a.s7.on b{color:#2b1a04}
.sdt[data-sinif="7"] .sdt-manset__sinif{color:#2b1a04}
.sdt[data-tema="koyu"] .sdt-sinif a{background:rgba(255,255,255,.08);color:#fff;border-color:color-mix(in srgb,var(--sc) 70%,#fff)}
.sdt[data-tema="koyu"] .sdt-sinif a b{color:color-mix(in srgb,var(--sc) 60%,#fff)}
.sdt[data-tema="koyu"] .sdt-sinif a.on,.sdt[data-tema="koyu"] .sdt-sinif a.on b{background:var(--sc);color:#fff;border-color:var(--sc)}
/* manşetteki sınıf rozeti seçili sınıfın rengini alır */
.sdt-manset__sinif{display:inline-block;padding:.08em .38em .1em;border-radius:.28em;background:var(--sc,#5b6b7c);color:#fff;font-size:.78em;letter-spacing:-.02em;vertical-align:.08em;margin-right:.08em}
.sdt[data-sinif="5"] .sdt-manset__sinif{--sc:var(--s5)}.sdt[data-sinif="6"] .sdt-manset__sinif{--sc:var(--s6)}.sdt[data-sinif="7"] .sdt-manset__sinif{--sc:var(--s7)}.sdt[data-sinif="8"] .sdt-manset__sinif{--sc:var(--s8)}

/* ---------- manşet + ilerleme çizgisi (v5 tasarımından) ---------- */
.sdt-manset{margin:14px 0 0}
.sdt-manset h1{margin:0;font-size:clamp(26px,4.2vw,46px);font-weight:900;letter-spacing:-.04em;line-height:1;color:var(--hero-fg)}
.sdt-manset h1 em{font-style:normal;color:var(--hero-vurgu)}
.sdt-manset p{margin:6px 0 0;font-size:14px;color:var(--hero-soluk)}
.sdt-ilerleme{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:700;color:var(--hero-soluk);margin:14px 0 2px;flex-wrap:wrap}
.sdt-ilerleme__n{white-space:nowrap;color:var(--hero-fg)}
.sdt-ilerleme__cubuk{flex:1;height:6px;border-radius:6px;background:var(--iz-bg);overflow:hidden;max-width:360px;min-width:120px;display:block}
.sdt-ilerleme__cubuk b{display:block;height:100%;width:3%;border-radius:6px;background:linear-gradient(90deg,var(--hero-vurgu),var(--hero-fg));transition:width .4s}
.sdt-ilerleme__d{white-space:nowrap}
.sdt-ilerleme__kaynak{margin-left:auto;font-size:11px;opacity:.8;display:inline-flex;gap:5px;align-items:center;white-space:nowrap}
.sdt-ilerleme__kaynak b{background:var(--cam);border:1px solid var(--cam-cizgi);padding:2px 7px;border-radius:5px;font-weight:800;color:var(--hero-fg)}
.sdt-katki{background:var(--kir);color:#fff!important;font-weight:800;padding:8px 13px;border-radius:10px;font-size:12.5px;white-space:nowrap}
.sdt-tahmini{font-size:10px;letter-spacing:.08em;text-transform:uppercase;background:rgba(228,34,63,.12);color:var(--kir);padding:2px 8px;border-radius:5px}

/* hafta şeridi */
.sdt-serit{position:relative;margin:4px -18px 0;overflow:hidden}
.sdt-fon{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.sdt-fon__nokta{position:absolute;inset:-40px 0;background-image:radial-gradient(color-mix(in srgb,var(--hero-fg) 14%,transparent) 1.2px,transparent 1.8px);background-size:24px 24px;will-change:transform}
.sdt-fon__katman{position:absolute;top:0;bottom:0;left:0;width:100%;will-change:transform}
.sdt-fon__ay{position:absolute;top:50%;transform:translate(-50%,-56%);font-size:150px;font-weight:900;letter-spacing:-.05em;line-height:1;color:var(--c);opacity:.09;text-transform:uppercase;white-space:nowrap}
.sdt[data-tema="koyu"] .sdt-fon__ay{opacity:.12}
.sdt-ray{position:relative;display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding:14px calc(50% - 112px) 14px;scrollbar-width:none;cursor:grab;touch-action:pan-x}
.sdt-ray.surukle{scroll-snap-type:none;cursor:grabbing}
.sdt-ray .sdt-hk,.sdt-ray img{-webkit-user-drag:none;user-select:none;-webkit-user-select:none}
.sdt-ray.surukle .sdt-hk{transition:transform .15s,opacity .15s}
.sdt-ray::-webkit-scrollbar{display:none}

/* --- hafta kartı --- */
.sdt-hk{flex:0 0 224px;scroll-snap-align:center;border-radius:20px;background:var(--kart-bg);color:var(--kart-fg);padding:14px 16px 12px;cursor:pointer;position:relative;overflow:hidden;border:1px solid var(--kart-cizgi);display:block;
  transform:scale(.88) translateY(10px);opacity:.6;transition:transform .4s cubic-bezier(.2,.8,.2,1),opacity .4s,box-shadow .4s;box-shadow:var(--kart-golge)}
.sdt-hk.orta{transform:none;opacity:1;box-shadow:var(--kart-orta)}
.sdt-hk.yakin{transform:scale(.94) translateY(5px);opacity:.85}
.sdt-hk:before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:var(--c)}
.sdt-hk:after{content:"";position:absolute;right:-60px;top:-70px;width:180px;height:180px;border-radius:50%;background:color-mix(in srgb,var(--c) 14%,transparent)}
.sdt-hk>*{position:relative}
.sdt-hk__ay{font-size:10.5px;font-weight:900;letter-spacing:.14em;text-transform:uppercase;color:var(--c);display:flex;justify-content:space-between;align-items:center}
.sdt-hk__ay em{font-style:normal;background:var(--kir);color:#fff;padding:2px 7px;border-radius:5px;font-size:9.5px;letter-spacing:.08em}
.sdt-hk__no{font-size:44px;font-weight:900;letter-spacing:-.05em;line-height:1;margin:6px 0 2px}
.sdt-hk__no small{font-size:13px;letter-spacing:0;color:var(--kart-soluk);font-weight:700;margin-left:4px}
.sdt-hk__tarih{font-size:11.5px;color:var(--kart-soluk);font-weight:700;display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.sdt-hk__tarih i{font-style:normal;background:color-mix(in srgb,var(--kart-fg) 8%,transparent);color:var(--kart-fg);padding:1px 6px;border-radius:4px;font-size:10px}
.sdt-hk__tarih i.sdt-hk__sinav{background:rgba(228,34,63,.12);color:var(--kir)}
.sdt-hk__kaz{font-size:12.5px;font-weight:800;line-height:1.25;margin-top:7px;min-height:32px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.sdt-hk__kaz--soluk{color:var(--kart-soluk);font-weight:700}
.sdt-hk__sayi{font-size:11px;font-weight:800;color:var(--kart-soluk);margin-top:6px}
.sdt-hk--tatil{flex-basis:170px;background:var(--tatil-bg);border-style:dashed;cursor:default}
.sdt-hk--tatil .sdt-hk__no{font-size:20px;letter-spacing:-.02em;margin:12px 0 4px;color:var(--tatil-fg)}
.sdt-hk--tatil:before{background:#8ea2b8}
.sdt-sok{position:absolute;top:50%;transform:translateY(-70%);width:40px;height:40px;border:1px solid var(--cam-cizgi);border-radius:50%;background:var(--sok-bg);color:var(--sok-fg);display:grid;place-items:center;font-weight:900;font-size:20px;cursor:pointer;z-index:2;box-shadow:0 8px 20px rgba(11,43,69,.15)}
.sdt-sok--sol{left:10px}.sdt-sok--sag{right:10px}

/* yatay hafta belirteci: numaralı cetvel + ay şeridi + kırmızı top */
/* Yıl izi: v5'teki gibi kutusuz, numarasız, kalın renkli çubuklar; ay adları altta. */
.sdt-iz{position:relative;margin:4px 0 14px;height:52px;padding:0 16px;touch-action:none;cursor:pointer}
.sdt-iz__cizgi{position:absolute;left:16px;right:16px;top:16px;height:12px;border-radius:8px;display:flex;gap:2px;background:var(--iz-bg)}
.sdt-iz__cizgi i{position:relative;display:block;height:100%;background:var(--c);opacity:.42;transition:opacity .2s;border-radius:2px}
.sdt-iz__cizgi i:first-child{border-radius:8px 2px 2px 8px}.sdt-iz__cizgi i:last-child{border-radius:2px 8px 8px 2px}
.sdt-iz__cizgi i.on{opacity:1}
.sdt-iz__cizgi i.tatil{background:repeating-linear-gradient(90deg,#8ea2b8 0 3px,transparent 3px 6px);opacity:.5}
.sdt-iz__cizgi i b{display:none}
.sdt-iz__cizgi i.on b{color:var(--hero-fg)}
.sdt-iz__cizgi i.simdi b{color:var(--kir)}
.sdt-iz__ay{position:absolute;left:16px;right:16px;top:32px;display:flex;gap:2px;font-size:9.5px;font-weight:900;letter-spacing:.06em;text-transform:uppercase;pointer-events:none}
.sdt-iz__ay b{overflow:hidden;white-space:nowrap;color:var(--c);opacity:.9;text-align:center}
.sdt-iz__bugun{position:absolute;top:12px;width:2px;height:20px;margin-left:-1px;background:var(--bugun);opacity:.75;border-radius:2px;pointer-events:none}
.sdt-iz__bugun:after{content:"bugün";position:absolute;top:-13px;left:-16px;font-size:8.5px;font-weight:800;letter-spacing:.06em;color:var(--hero-soluk);text-transform:uppercase}
.sdt-top{position:absolute;top:4px;width:36px;height:36px;margin-left:-18px;border-radius:50%;background:radial-gradient(circle at 34% 28%,#ff8a97 0,#e4223f 45%,#9c1128 100%);color:#fff;font-size:13px;font-weight:900;display:grid;place-items:center;
  box-shadow:0 8px 20px rgba(228,34,63,.5),0 0 0 3px #fff,0 0 0 7px rgba(228,34,63,.2);cursor:grab;transition:left .3s cubic-bezier(.2,.8,.2,1),transform .15s;z-index:3;touch-action:none}
.sdt-top.surukle{transition:transform .15s;cursor:grabbing;transform:scale(1.18)}

/* ---------- haftanın başlığı + pano ---------- */
.sdt-govde{max-width:1120px;margin:0 auto;padding:14px 18px 40px}
.sdt-baslik{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:0 4px 12px;min-height:34px}
.sdt-baslik__k{font-size:11px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:var(--mavi);white-space:nowrap}
.sdt-baslik h2{margin:0;font-size:17px;font-weight:900;letter-spacing:-.02em;line-height:1.2;color:var(--metin);min-width:0;flex:1 1 300px}
.sdt-baslik__alt{font-size:12px;color:var(--soluk);font-weight:600;white-space:nowrap}
.sdt-tumu{margin-left:auto;background:#fff;border:1px solid var(--cizgi);color:var(--lac)!important;font-weight:800;padding:8px 12px;border-radius:10px;white-space:nowrap;font-size:12.5px}
.sdt-tumu:hover{border-color:var(--mavi);color:var(--mavi)!important}
.sdt-uyari{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;border-radius:12px;padding:10px 14px;margin-bottom:14px;font-size:13px;font-weight:600}
.sdt-cizgi{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;align-items:start}
.sdt-adim{min-width:0}
.sdt-adim__no,.sdt-adim__bag{display:none}
.sdt-kutu{background:#fff;border-radius:16px;border:1px solid var(--cizgi);overflow:hidden}
.sdt-kutu__bas{padding:11px 12px;display:flex;align-items:center;gap:9px;border-bottom:1px solid var(--cizgi);background:color-mix(in srgb,var(--c) 6%,#fff)}
.sdt-kutu__ik{width:10px;height:10px;border-radius:50%;background:var(--c);flex-shrink:0;font-size:0}
.sdt-kutu__bas h3{margin:0;font-size:13.5px;font-weight:900;letter-spacing:-.01em;color:var(--metin);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sdt-kutu__bas small{display:none}
.sdt-kutu__sayi{margin-left:auto;font-size:11px;font-weight:800;color:var(--soluk);white-space:nowrap}
.sdt-kutu__ok{display:none;color:var(--soluk);font-size:16px;transition:.2s}
.sdt-kutu__ic{padding:6px 6px 8px}
.sdt-altbaslik{font-size:10px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:var(--soluk);padding:8px 8px 3px}
.sdt-altbaslik:after{content:none}
.sdt-oge{display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:10px;transition:.15s;border:1px solid transparent;min-width:0}
.sdt-oge:hover{background:#f7f9fc;border-color:var(--cizgi)}
.sdt-oge--k{padding:7px 10px;font-size:13px}
.sdt-roz{font-size:9.5px;font-weight:900;letter-spacing:.04em;text-transform:uppercase;padding:4px 6px;border-radius:6px;min-width:0;text-align:center;flex-shrink:0;background:color-mix(in srgb,var(--rc) 14%,#fff);color:var(--rc)}
.sdt-ad{font-weight:700;font-size:13px;min-width:0;flex:1;line-height:1.3;color:var(--metin);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sdt-ad:hover{color:var(--mavi)}
.sdt-ad small{display:block;font-weight:500;color:var(--soluk);font-size:11px;margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sdt-arti{display:inline-flex;align-items:center;gap:3px;font-size:11.5px;font-weight:800;padding:4px 9px;border-radius:999px;cursor:pointer;border:1px solid var(--cizgi);color:var(--mavi);background:#fff;white-space:nowrap;transition:.12s;flex-shrink:0}
.sdt-arti:hover{background:var(--mavi);color:#fff;border-color:var(--mavi)}
.sdt-meta{display:none}
.sdt-meta b{color:var(--metin);font-weight:900}
.sdt-al{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:var(--lac);color:#fff!important;font-weight:900;flex-shrink:0;transition:.12s}
.sdt-al:hover{background:var(--mavi)}.sdt-al--k{background:var(--soluk)}
/* Dosyası yüklenmemiş doküman: düğme bağlantı değil, sessiz bir işaret. Eskiden
   "?sbd_indir=" bağlantısı basılıyordu ve öğretmen 404 "Bu dokümana bağlı dosya
   bulunamadı" sayfasıyla karşılaşıyordu. Başlık dokümanı yine açar. */
.sdt-al--yok{
  background:transparent;border:1.5px dashed var(--cizgi);color:var(--soluk);
  cursor:default;font-size:15px;font-weight:700;
}
.sdt-al--yok:hover{background:transparent}
.sdt[data-tema="koyu"] .sdt-al--yok{border-color:var(--cam-cizgi);color:var(--kart-soluk)}
.sdt-daha{display:none;margin:-2px 0 6px 10px;padding-left:8px;border-left:2px solid var(--cizgi)}
.sdt-daha.ac{display:block}
.sdt-bos{display:flex;justify-content:center;align-items:center;gap:6px;flex-wrap:wrap;border:1.5px dashed #d6dee8;color:var(--soluk);font-weight:600;cursor:pointer;padding:12px 8px;font-size:12px;text-align:center;border-radius:10px;margin:4px 2px}
a.sdt-bos:hover{border-color:#7c3aed;color:#7c3aed;background:#f7f2ff}
.sdt-puan{background:#7c3aed;color:#fff;padding:2px 9px;border-radius:999px;font-size:11px}
.sdt-gaz{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:linear-gradient(120deg,#0b2b45,#123d63);border-radius:12px;padding:10px 12px;margin:4px 2px 8px;color:#fff!important;box-shadow:0 12px 26px rgba(11,43,69,.3);position:relative;overflow:hidden}
.sdt-gaz:before{content:"";position:absolute;right:-60px;top:-80px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(1,160,216,.4),transparent 65%)}
.sdt-gaz>*{position:relative}
.sdt-gaz__marka{font-weight:900;font-size:13px;letter-spacing:-.02em;color:var(--kir);background:#fff;padding:5px 8px;border-radius:7px;flex-shrink:0;line-height:1}
.sdt-gaz__marka b{color:var(--lac)}
/* Dar aşama sütununda (4 sütun × ~215 px) marka ile manşet yan yana sığmıyordu:
   manşet kartın dışına taşıyordu. Marka esnemez, metin 130 px'in altına düşerse
   kendi satırına iner ve tam genişliği kullanır. */
.sdt-gaz__orta{flex:1 1 130px;min-width:0;display:block}
.sdt-gaz__ust{display:block;font-size:10px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#7fd3ff;overflow-wrap:anywhere}
.sdt-gaz__ust em{font-style:normal;background:#1e73be;color:#fff;padding:2px 6px;border-radius:4px;margin-right:6px}
.sdt-gaz__manset{display:block;font-size:14.5px;font-weight:900;letter-spacing:-.02em;line-height:1.15;text-transform:uppercase;margin:3px 0 2px;overflow-wrap:anywhere}
.sdt-gaz__alt{display:block;font-size:12px;color:#b9cde0}
.sdt-gaz__btn{display:none}

.sdt-fab{position:fixed;right:18px;bottom:18px;z-index:40;background:var(--kir);color:#fff!important;font-weight:900;font-size:13px;padding:12px 16px;border-radius:999px;box-shadow:0 12px 28px rgba(228,34,63,.45);display:none;align-items:center;gap:6px}
.sdt-fab.gor{display:inline-flex}

@media (max-width:1000px){
  .sdt-cizgi{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:820px){
  .sdt-hero{padding-bottom:4px}
  .sdt-logo{padding:5px 8px 5px 6px}.sdt-logo img{height:22px}.sdt-logo__f{font-size:9px;padding:3px 5px}
  .sdt-yil,.sdt-katki{display:none}
  .sdt-sinif{gap:6px;margin-top:10px}.sdt-sinif__etiket{flex-basis:100%;margin:0 0 -2px}.sdt-sinif a{flex:1;justify-content:center;padding:8px 6px}.sdt-sinif a b{font-size:19px}.sdt-sinif a.on{transform:scale(1.04)}.sdt-sinif a.on:after{margin-left:5px}
  .sdt-govde{padding:12px 12px 32px}
  .sdt-baslik{margin-bottom:10px}.sdt-baslik h2{flex-basis:100%}.sdt-tumu{margin-left:0}
  .sdt-cizgi{grid-template-columns:1fr;gap:10px}
  .sdt-kutu__bas{cursor:pointer;user-select:none}
  .sdt-kutu__ok{display:block}
  .sdt-adim.acik .sdt-kutu__ok{transform:rotate(180deg)}
  .sdt-kutu__ic{display:none}
  .sdt-adim.acik .sdt-kutu__ic{display:block}
  .sdt-hk{flex-basis:190px}.sdt-hk--tatil{flex-basis:150px}.sdt-ray{padding:12px calc(50% - 95px) 8px}.sdt-sok{display:none}.sdt-hk__no{font-size:36px}
  .sdt-iz{margin:2px 0 10px;padding:0 10px;height:48px}.sdt-iz__cizgi,.sdt-iz__ay{left:10px;right:10px}.sdt-iz__ay{font-size:8px;letter-spacing:0}.sdt-top{width:32px;height:32px;margin-left:-16px;top:6px;font-size:12px}
  .sdt-manset{margin-top:10px}.sdt-manset h1{font-size:26px}.sdt-manset p{font-size:12.5px}
  .sdt-ilerleme{gap:8px;font-size:11px}.sdt-ilerleme__kaynak{display:none}
  .sdt-fon__ay{font-size:110px}
  .sdt-ad small{white-space:normal}
}

/* =========================================================================
   v6.28 — TAHTA MODU + DOKUNMA + ESKİ TARAYICI YEDEKLERİ
   Hedef cihaz: FATİH ETA akıllı tahtası (Pardus / Firefox ESR, 1920×1080,
   parmakla kullanım, 2–4 m uzaktan okuma).

   Üç ayrı katman:
   1) Yedekler — color-mix() ve container query desteklemeyen Firefox ESR
      sürümlerinde sayfa renksiz/bozuk kalmasın.
   2) Dokunma — (pointer:coarse) olan her cihazda hedefler 44 px'in altına
      düşmesin; tahta ve tablet aynı kuraldan faydalanır.
   3) Tahta modu — .sdt.tahta: tam ekran, dev tipografi, 64 px+ hedefler.
   ========================================================================= */

/* ---------- 1) Eski Firefox yedekleri ---------------------------------- */
/* Pardus 21 (Firefox ESR 91) color-mix() bilmez: o bildirimler tümden düşer
   ve zeminler saydam kalır. Aşağıdaki blok yalnız desteklemeyen tarayıcıda
   çalışır, düz renklerle aynı hiyerarşiyi kurar. */
@supports not (color: color-mix(in srgb, red 50%, transparent)) {
  .sdt-hero:before{background:radial-gradient(closest-side,rgba(0,136,255,.14),transparent)}
  .sdt-sinif a{border-color:currentColor}
  .sdt-sinif a:hover{background:#eef4fb}
  .sdt[data-tema="koyu"] .sdt-sinif a{border-color:rgba(255,255,255,.55)}
  .sdt-hk:after{background:rgba(11,43,69,.07)}
  .sdt-hk__tarih i{background:rgba(11,43,69,.08)}
  .sdt[data-tema="koyu"] .sdt-hk__tarih i{background:rgba(255,255,255,.14)}
  .sdt-kutu__bas{background:#f7f9fc}
  .sdt-roz{background:#f1f5f9;color:var(--rc,#4a5a6a)}
  .sdt-fon__nokta{background-image:radial-gradient(rgba(11,43,69,.14) 1.2px,transparent 1.8px)}
  .sdt-sinif a.on{box-shadow:0 8px 20px -4px rgba(11,43,69,.45)}
}

/* ---------- 2) Dokunmatik cihazlar ------------------------------------- */
/* Parmakla kullanımda 44 px altındaki hiçbir hedef bırakılmaz. Fare
   kullanıcısının görünümü değişmez — kural yalnız (pointer:coarse) ile gelir. */
@media (pointer: coarse) {
  .sdt-iz{height:66px;padding-top:4px}
  .sdt-iz__cizgi{height:16px;top:18px}
  .sdt-iz__ay{top:40px;font-size:10.5px}
  .sdt-iz__bugun{top:14px;height:24px}
  .sdt-top{width:48px;height:48px;margin-left:-24px;top:2px;font-size:16px}
  .sdt-oge{padding:11px 10px;min-height:48px}
  .sdt-al{width:40px;height:40px;border-radius:11px}
  .sdt-arti{padding:8px 13px;font-size:12.5px}
  .sdt-tumu{padding:11px 15px}
  .sdt-kutu__bas{min-height:50px}
}
/* Ok düğmeleri ve geniş sınıf hapları yalnız tablet/tahta boyunda: telefonda
   (≤820 px) oklar kartların üstüne biner, haplar iki sıraya taşar. */
@media (pointer: coarse) and (min-width: 821px) {
  .sdt-sok{display:grid;width:54px;height:54px;font-size:27px;transform:translateY(-62%)}
  .sdt-sok--sol{left:6px}
  .sdt-sok--sag{right:6px}
  .sdt-sinif a{padding:12px 18px 12px 15px}
}

/* ---------- 3) Tahta modu düğmesi (normal görünüm) --------------------- */
.sdt-tahta-btn{
  display:inline-flex;align-items:center;gap:7px;cursor:pointer;
  background:var(--lac);color:#fff;border:0;border-radius:10px;
  padding:9px 14px;font-size:12.5px;font-weight:800;white-space:nowrap;
  box-shadow:0 4px 14px rgba(11,43,69,.22);transition:transform .14s,background .14s;
}
.sdt-tahta-btn:hover{background:#123d63;transform:translateY(-1px)}
.sdt-tahta-btn svg{width:16px;height:16px;flex-shrink:0}
.sdt-sat .sdt-tahta-btn{margin-left:auto}
.sdt-sat .sdt-tahta-btn + .sdt-katki{margin-left:8px}
.sdt[data-tema="koyu"] .sdt-tahta-btn{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25)}
/* Telefonda tahta modu anlamsız; düğme barı da iki sıraya itiyordu. */
@media (max-width:820px){ .sdt-tahta-btn{display:none} }

/* Tahta modundan çıkış — yalnız tahta modunda görünür. */
.sdt-cik{
  display:none;position:fixed;top:14px;right:16px;z-index:12;
  align-items:center;gap:8px;cursor:pointer;border:0;border-radius:14px;
  background:var(--kir);color:#fff;font-weight:900;
  font-size:clamp(15px,.95vw,22px);padding:clamp(12px,.75vw,18px) clamp(18px,1.2vw,28px);
  box-shadow:0 10px 28px rgba(228,34,63,.45);
}
.sdt-cik:hover{filter:brightness(1.08)}

/* ---------- 3a) Tahta modu: kabuk ------------------------------------- */
html.sdt-tahta-acik,html.sdt-tahta-acik body{overflow:hidden!important}
.sdt.tahta{
  position:fixed;inset:0;z-index:2147483000;margin:0;border-radius:0;
  overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;
  background:var(--zemin);
  font-size:clamp(17px,1.02vw,28px);
}
.sdt.tahta .sdt-cik{display:inline-flex}
.sdt.tahta .sdt-ic{max-width:min(2400px,97vw);padding:0 clamp(18px,1.6vw,40px)}
.sdt.tahta .sdt-govde{max-width:min(2400px,97vw);padding:clamp(14px,1.1vw,26px) clamp(18px,1.6vw,40px) clamp(30px,2.4vw,60px)}
.sdt.tahta .sdt-hero{padding:clamp(10px,.8vw,20px) 0 clamp(4px,.4vw,10px)}

/* Tahta modunda yer kazanmak için: manşet, yıl etiketi, kaynak notu ve
   "+ Doküman ekle" kalkar. Ekranda yalnız sınıf, hafta ve dosyalar kalır. */
.sdt.tahta .sdt-manset,
.sdt.tahta .sdt-yil,
.sdt.tahta .sdt-tahmini,
.sdt.tahta .sdt-katki,
.sdt.tahta .sdt-tahta-btn,
.sdt.tahta .sdt-ilerleme__kaynak,
.sdt.tahta .sdt-fab{display:none!important}

.sdt.tahta .sdt-sat{gap:clamp(10px,.9vw,22px)}
.sdt.tahta .sdt-logo{padding:8px 14px 8px 10px;border-radius:14px}
.sdt.tahta .sdt-logo img{height:clamp(30px,2vw,48px)}

/* ---------- 3b) Tahta modu: sınıf seçimi ------------------------------- */
.sdt.tahta .sdt-sinif{margin:clamp(8px,.7vw,18px) 0 0;gap:clamp(8px,.7vw,16px)}
.sdt.tahta .sdt-sinif__etiket{font-size:clamp(11px,.62vw,16px)}
.sdt.tahta .sdt-sinif a{
  min-height:clamp(54px,3.4vw,84px);padding:0 clamp(18px,1.3vw,32px);
  border-radius:16px;font-size:clamp(15px,.92vw,24px);align-items:center;
}
.sdt.tahta .sdt-sinif a b{font-size:clamp(26px,1.9vw,48px)}
.sdt.tahta .sdt-sinif a.on:after{font-size:clamp(14px,.85vw,22px)}

/* ---------- 3c) Tahta modu: ilerleme ----------------------------------- */
.sdt.tahta .sdt-ilerleme{font-size:clamp(13px,.72vw,19px);margin:clamp(8px,.7vw,16px) 0 0}
.sdt.tahta .sdt-ilerleme__cubuk{height:10px;max-width:min(560px,34vw)}

/* ---------- 3d) Tahta modu: hafta şeridi ------------------------------- */
.sdt.tahta{--kg:clamp(250px,17vw,420px)}
.sdt.tahta .sdt-serit{margin-left:calc(-1 * clamp(18px,1.6vw,40px));margin-right:calc(-1 * clamp(18px,1.6vw,40px))}
.sdt.tahta .sdt-ray{
  gap:clamp(12px,1vw,24px);
  padding:clamp(14px,1.1vw,26px) calc(50% - var(--kg) / 2);
}
.sdt.tahta .sdt-hk{flex-basis:var(--kg);border-radius:clamp(20px,1.4vw,30px);padding:clamp(14px,1.1vw,26px) clamp(16px,1.25vw,30px) clamp(12px,.95vw,22px)}
.sdt.tahta .sdt-hk--tatil{flex-basis:calc(var(--kg) * .72)}
/* Tatil kartındaki "☀ Yarıyıl Tatili" başlığı hafta numarasıyla aynı devasa
   punto olursa satıra sığmaz, kart 600 px'e uzar ve bütün şeridi şişirir. */
.sdt.tahta .sdt-hk--tatil .sdt-hk__no{font-size:clamp(19px,1.25vw,32px);line-height:1.15;margin:clamp(10px,.8vw,18px) 0 6px}
.sdt.tahta .sdt-hk--tatil .sdt-hk__no small{font-size:inherit}
.sdt.tahta .sdt-hk:before{height:7px}
.sdt.tahta .sdt-hk__ay{font-size:clamp(12px,.72vw,19px)}
.sdt.tahta .sdt-hk__ay em{font-size:clamp(11px,.66vw,17px);padding:3px 9px}
.sdt.tahta .sdt-hk__no{font-size:clamp(50px,3.9vw,96px);margin:clamp(6px,.5vw,12px) 0 4px}
.sdt.tahta .sdt-hk__no small{font-size:clamp(15px,.9vw,24px)}
.sdt.tahta .sdt-hk__tarih{font-size:clamp(14px,.82vw,22px);gap:8px}
.sdt.tahta .sdt-hk__tarih i{font-size:clamp(12px,.7vw,18px);padding:2px 8px}
.sdt.tahta .sdt-hk__kaz{font-size:clamp(16px,.95vw,25px);margin-top:clamp(8px,.6vw,14px);min-height:clamp(46px,3.2vw,78px)}
.sdt.tahta .sdt-hk__sayi{font-size:clamp(13px,.76vw,20px);margin-top:clamp(7px,.55vw,13px)}
.sdt.tahta .sdt-sok{
  display:grid;width:clamp(64px,4.2vw,104px);height:clamp(64px,4.2vw,104px);
  font-size:clamp(32px,2.2vw,54px);border-width:2px;transform:translateY(-58%);
}
.sdt.tahta .sdt-sok--sol{left:clamp(10px,1vw,26px)}
.sdt.tahta .sdt-sok--sag{right:clamp(10px,1vw,26px)}
.sdt.tahta .sdt-fon__ay{font-size:clamp(150px,11vw,280px)}

/* ---------- 3e) Tahta modu: yıl izi ------------------------------------ */
.sdt.tahta .sdt-iz{height:clamp(96px,6.6vw,150px);padding:0 clamp(20px,1.6vw,40px);margin:clamp(4px,.4vw,10px) 0 clamp(12px,1vw,24px)}
.sdt.tahta .sdt-iz__cizgi{height:clamp(22px,1.5vw,34px);top:clamp(26px,1.8vw,42px);left:clamp(20px,1.6vw,40px);right:clamp(20px,1.6vw,40px);border-radius:12px}
.sdt.tahta .sdt-iz__cizgi i:first-child{border-radius:12px 3px 3px 12px}
.sdt.tahta .sdt-iz__cizgi i:last-child{border-radius:3px 12px 12px 3px}
.sdt.tahta .sdt-iz__ay{top:clamp(56px,3.7vw,84px);font-size:clamp(13px,.78vw,20px);left:clamp(20px,1.6vw,40px);right:clamp(20px,1.6vw,40px)}
.sdt.tahta .sdt-iz__bugun{top:clamp(20px,1.4vw,34px);height:clamp(36px,2.4vw,54px);width:3px}
.sdt.tahta .sdt-iz__bugun:after{font-size:clamp(11px,.64vw,16px);top:-17px;left:-20px}
.sdt.tahta .sdt-top{
  width:clamp(62px,4.1vw,100px);height:clamp(62px,4.1vw,100px);
  margin-left:calc(-1 * clamp(31px,2.05vw,50px));top:clamp(6px,.5vw,14px);
  font-size:clamp(22px,1.4vw,36px);
  box-shadow:0 10px 26px rgba(228,34,63,.5),0 0 0 4px #fff,0 0 0 9px rgba(228,34,63,.22);
}

/* ---------- 3f) Tahta modu: haftanın panosu ---------------------------- */
.sdt.tahta .sdt-baslik{gap:clamp(10px,.9vw,20px);margin-bottom:clamp(10px,.9vw,20px)}
.sdt.tahta .sdt-baslik__k{font-size:clamp(13px,.74vw,19px)}
.sdt.tahta .sdt-baslik h2{font-size:clamp(24px,1.65vw,42px);line-height:1.15}
.sdt.tahta .sdt-baslik__alt{font-size:clamp(14px,.8vw,21px)}
.sdt.tahta .sdt-tumu{font-size:clamp(14px,.82vw,21px);padding:clamp(11px,.8vw,18px) clamp(16px,1.1vw,26px);border-radius:14px}
.sdt.tahta .sdt-uyari{font-size:clamp(14px,.82vw,21px);padding:clamp(12px,.9vw,20px) clamp(16px,1.1vw,26px)}
.sdt.tahta .sdt-cizgi{gap:clamp(12px,1vw,24px)}
.sdt.tahta .sdt-kutu{border-radius:clamp(16px,1.15vw,26px);border-width:2px}
.sdt.tahta .sdt-kutu__bas{padding:clamp(12px,.9vw,22px) clamp(13px,1vw,24px);gap:clamp(9px,.7vw,16px)}
.sdt.tahta .sdt-kutu__ik{width:clamp(12px,.8vw,18px);height:clamp(12px,.8vw,18px)}
.sdt.tahta .sdt-kutu__bas h3{font-size:clamp(17px,1.05vw,27px)}
.sdt.tahta .sdt-kutu__sayi{font-size:clamp(13px,.76vw,19px)}
.sdt.tahta .sdt-altbaslik{font-size:clamp(12px,.68vw,17px);padding:clamp(9px,.7vw,16px) 10px 4px}
.sdt.tahta .sdt-oge{
  gap:clamp(9px,.7vw,16px);padding:clamp(10px,.8vw,18px) clamp(9px,.7vw,16px);
  min-height:clamp(58px,3.7vw,90px);border-radius:14px;
}
.sdt.tahta .sdt-roz{font-size:clamp(11px,.64vw,16px);padding:5px 9px;border-radius:8px}
.sdt.tahta .sdt-ad{font-size:clamp(16px,.95vw,25px);line-height:1.3}
.sdt.tahta .sdt-ad small{font-size:clamp(13px,.74vw,18px);margin-top:3px}
.sdt.tahta .sdt-al{width:clamp(46px,3vw,72px);height:clamp(46px,3vw,72px);border-radius:14px;font-size:clamp(20px,1.25vw,32px)}
.sdt.tahta .sdt-arti{font-size:clamp(13px,.76vw,19px);padding:clamp(8px,.6vw,14px) clamp(12px,.9vw,20px)}
.sdt.tahta .sdt-bos{font-size:clamp(14px,.82vw,20px);padding:clamp(16px,1.2vw,28px) 12px;border-radius:14px}
.sdt.tahta .sdt-puan{font-size:clamp(13px,.74vw,18px);padding:3px 11px}
.sdt.tahta .sdt-gaz{padding:clamp(12px,.9vw,22px) clamp(14px,1vw,24px);border-radius:16px;gap:clamp(11px,.85vw,20px)}
.sdt.tahta .sdt-gaz__marka{font-size:clamp(15px,.9vw,23px);padding:7px 11px}
.sdt.tahta .sdt-gaz__ust{font-size:clamp(12px,.68vw,16px)}
.sdt.tahta .sdt-gaz__manset{font-size:clamp(19px,1.2vw,31px)}
.sdt.tahta .sdt-gaz__alt{font-size:clamp(14px,.8vw,19px)}

/* Tahta modunda kutular dar ekranda değil, sütun sayısıyla sıkışır:
   1500 px altında 2×2, 1100 px altında tek sütun. */
@media (max-width:1500px){ .sdt.tahta .sdt-cizgi{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (max-width:1100px){ .sdt.tahta .sdt-cizgi{grid-template-columns:1fr} }

/* Tahta modunda kutular hep açık: mobil kuralı (başlığa basınca aç/kapa)
   tahtada işlemesin, öğretmen tek dokunuşta dosyayı görsün. */
@media (max-width:820px){
  .sdt.tahta .sdt-kutu__ic{display:block}
  .sdt.tahta .sdt-kutu__ok{display:none}
  .sdt.tahta .sdt-tumu{margin-left:auto}
}

/* ---------- 4) Odak halkası (klavye ve tahta kalemi) ------------------- */
.sdt a:focus-visible,.sdt button:focus-visible{
  outline:3px solid var(--mavi);outline-offset:3px;border-radius:10px;
}
.sdt.tahta a:focus-visible,.sdt.tahta button:focus-visible{outline-width:4px;outline-offset:4px}

/* ---------- 5) Hareket hassasiyeti ------------------------------------- */
@media (prefers-reduced-motion: reduce){
  .sdt-hk,.sdt-top,.sdt-ilerleme__cubuk b,.sdt-sinif a{transition:none!important}
  .sdt-hero:before{transform:none!important}
}