:root {
  --bg: #f4f5fb; --card: #fff; --ink: #1c1f33; --muted: #6b7090; --line: #e3e5f0;
  --accent: #4f46e5; --accent-soft: #eef0ff; --ok: #0f9d58; --warn: #c77700; --bad: #d93025;
  --radius: 14px; --shadow: 0 1px 2px rgba(20,24,60,.05), 0 6px 24px rgba(20,24,60,.06);
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #11131d; --card: #1a1d2b; --ink: #e8e9f3; --muted: #9a9fbd; --line: #2b2f44;
          --accent: #8b84ff; --accent-soft: #25264a; --shadow: none; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.5 Inter, system-ui, sans-serif; background: var(--bg); color: var(--ink); }
h2 { font-size: 16px; margin: 0 0 12px; } h3 { font-size: 14px; margin: 22px 0 8px; }
code { background: var(--accent-soft); padding: 1px 5px; border-radius: 5px; font-size: 12px; }
.muted { color: var(--muted); }
button, input, select, textarea { font: inherit; color: inherit; }
input, select, textarea { width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 9px; background: var(--bg); }
textarea { resize: vertical; }
label { display: block; font-weight: 500; margin-bottom: 12px; }
label > input, label > select, label > textarea, label > .adet { margin-top: 5px; }
label.check { display: flex; gap: 8px; align-items: center; font-weight: 400; }
label.check input { width: auto; }
button { cursor: pointer; border: 0; border-radius: 9px; padding: 9px 14px; background: var(--accent-soft); }
button.primary { background: var(--accent); color: #fff; font-weight: 600; }
button.primary:disabled { opacity: .45; cursor: not-allowed; }
button.ghost { background: transparent; border: 1px solid var(--line); }
button.small { padding: 4px 9px; font-size: 12px; }

.topbar { position: sticky; top: 0; z-index: 5; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  flex-wrap: wrap; padding: 12px max(16px, calc((100vw - 1240px) / 2)); background: var(--card); border-bottom: 1px solid var(--line); }
.brand { display: flex; gap: 10px; align-items: center; }
.brand small { display: block; color: var(--muted); font-size: 12px; }
.logo { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--accent); color: #fff; font-weight: 700; }
.tabs { display: flex; gap: 4px; background: var(--bg); padding: 4px; border-radius: 11px; }
.tabs button { background: transparent; }
.tabs button.active { background: var(--card); box-shadow: var(--shadow); font-weight: 600; }
.banner { margin: 12px auto 0; max-width: 1240px; padding: 10px 14px; border-radius: 10px; background: #fff4e0; color: #7a4a00; }
@media (prefers-color-scheme: dark) { .banner { background: #3a2a10; color: #ffd28a; } }

main { max-width: 1240px; margin: 0 auto; padding: 16px; }
.tab { display: none; } .tab.active { display: block; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; box-shadow: var(--shadow); }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.card-head h2 { margin: 0; } .card-head select { width: auto; }
.grid-test { display: grid; grid-template-columns: 1fr 340px; gap: 16px; align-items: start; }
.sticky { position: sticky; top: 80px; }
@media (max-width: 900px) { .grid-test { grid-template-columns: 1fr; } .sticky { position: static; } }

.unite { margin-top: 14px; }
.unite-head { display: flex; justify-content: space-between; align-items: center; padding: 6px 0; border-bottom: 1px solid var(--line); }
.unite-head strong { font-size: 13px; } .unite-head button { font-size: 12px; padding: 3px 8px; }
.kz { display: grid; grid-template-columns: 22px 92px 1fr auto; gap: 8px; align-items: start; padding: 9px 6px; border-radius: 9px; cursor: pointer; font-weight: 400; margin: 0; }
.kz:hover { background: var(--bg); }
.kz input { width: auto; margin-top: 3px; }
.kz.bos { opacity: .45; cursor: default; }
.kz .kod { font-weight: 600; font-size: 12px; color: var(--accent); padding-top: 1px; }
.pill { font-size: 12px; padding: 1px 9px; border-radius: 99px; background: var(--accent-soft); white-space: nowrap; }
.pill.ok { background: #e3f6ec; color: var(--ok); } .pill.warn { background: #fff1d6; color: var(--warn); } .pill.bad { background: #fde7e5; color: var(--bad); }
@media (prefers-color-scheme: dark) { .pill.ok { background: #143325; } .pill.warn { background: #3a2a10; } .pill.bad { background: #3d1916; } }
.adet { display: flex; gap: 8px; align-items: center; } .adet input { width: 90px; } .adet span { color: var(--muted); font-size: 12px; }
#secimOzet { margin: 4px 0 12px; font-size: 13px; }
#olusturBtn { width: 100%; padding: 11px; }
#testSonuc { margin-top: 10px; font-size: 13px; }
.list { list-style: none; padding: 0; margin: 0; }
.list li { display: flex; justify-content: space-between; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.list li small { display: block; color: var(--muted); }
.list a { color: var(--accent); text-decoration: none; font-weight: 600; white-space: nowrap; }

.upload { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 0 14px; align-items: end; }
.upload .wide { grid-column: 1 / -1; } .upload button { grid-column: 1 / -1; justify-self: start; }
.drop { position: relative; border: 2px dashed var(--line); border-radius: 11px; padding: 14px; text-align: center; color: var(--muted); }
.drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.drop.dolu { border-color: var(--accent); color: var(--ink); }
@media (max-width: 700px) { .upload { grid-template-columns: 1fr; } }

.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-size: 12px; color: var(--muted); font-weight: 500; padding: 6px 8px; border-bottom: 1px solid var(--line); }
.table td { padding: 9px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table .num { text-align: right; }
.table tr.sec td { background: var(--accent-soft); }
.card:has(.table) { overflow-x: auto; }
.progress { height: 5px; background: var(--line); border-radius: 9px; margin-top: 5px; width: 120px; overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--accent); }

.filters { display: flex; gap: 8px; flex-wrap: wrap; } .filters select { width: auto; }
.soru-list { display: grid; gap: 14px; }
.soru { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 16px; border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.soru.pasif { opacity: .5; }
.soru img { width: 100%; border-radius: 8px; background: #fff; border: 1px solid var(--line); }
.soru .meta label { font-size: 12px; margin-bottom: 8px; }
.soru .meta select { padding: 6px 8px; }
.soru .ozet { font-size: 12px; color: var(--muted); margin: 0 0 8px; }
.soru .gerekce { font-size: 12px; background: var(--bg); padding: 8px; border-radius: 8px; margin-bottom: 8px; }
.soru .row { display: flex; gap: 8px; } .soru .row > * { flex: 1; }
.soru .actions { display: flex; gap: 6px; flex-wrap: wrap; }
.soru .onayli { background: var(--ok); color: #fff; }
@media (max-width: 800px) { .soru { grid-template-columns: 1fr; } }

dialog { border: 0; border-radius: var(--radius); background: var(--card); color: var(--ink); width: min(480px, 92vw); }
dialog::backdrop { background: rgba(10,12,30,.45); }
.row-end { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--card); padding: 10px 16px; border-radius: 10px; z-index: 20; }

/* v3: ünite/kazanım seçimi, test etiketi */
.kz.unite-sec { grid-template-columns: 22px 1fr auto auto; background: var(--bg); margin-top: 6px; }
.kz.alt { margin-left: 22px; }
.unite-not { font-size: 12px; color: var(--muted); margin: 4px 0 0 30px; }
.pill.soluk { opacity: .55; }
.kod { font-weight: 600; font-size: 12px; color: var(--accent); }
.table td.etiket { font-size: 13px; max-width: 520px; }
.nowrap { white-space: nowrap; }
.panel-etiket { background: var(--accent-soft); padding: 10px 12px; border-radius: 10px; font-size: 13px; margin: 0 0 14px; }
.soru { grid-template-columns: minmax(0, 1fr) 240px; }
.unite-satir td { background: var(--bg); }
.notlar { margin: 6px 0 0; padding-left: 16px; font-size: 12px; color: var(--muted); }
.notlar li { margin: 2px 0; }
.alt-alan { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; padding-top: 14px !important; }
.gecmis-baslik { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.gecmis-baslik h3 { margin-bottom: 0; }
.list a.sil { color: var(--bad); }
.pill.kaynak { background: var(--accent-soft); color: var(--accent); margin-top: 3px; }
.kaynak-dagilimi { border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; margin: 6px 0 10px; }
.kaynak-satir { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 4px 0; font-size: 13px; }
.kaynak-satir input { width: 64px; padding: 4px 6px; }
.kaynak-ad { min-width: 0; overflow-wrap: anywhere; }
.uyari-yazi { color: var(--bad); font-weight: 600; }
.yukle-sonuc { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }

/* ---- test dizgisi (dizgi.html): sayfalar gerçek yerleşimiyle çizilir, sorular sürüklenerek taşınır */
.tabs .geri { align-self: center; color: var(--muted); text-decoration: none; font-weight: 500; }
.dizgi-arac { gap: 10px; align-items: center; }
.dizgi-arac .check { margin: 0; font-size: 13px; white-space: nowrap; }
.dizgi-arac a.ghost { text-decoration: none; border: 1px solid var(--line); border-radius: 9px; padding: 4px 9px; font-size: 12px; color: inherit; }
.dizgi-sayfalar { max-width: 760px; }
.dizgi-ipucu { margin: 0 0 14px; }
.y-sayfa { position: relative; margin: 0 auto 18px; background: #fff; border: 1px solid var(--line); border-radius: 4px;
  box-shadow: 0 2px 10px rgba(20,24,60,.12); overflow: hidden; }
.y-sayfa-no { position: absolute; bottom: 6px; left: 0; right: 0; text-align: center; font-size: 10px; color: #9aa; }
.y-baslik { position: absolute; border: 1px dashed var(--line); border-radius: 6px; padding: 8px 10px; color: #444;
  display: flex; flex-direction: column; gap: 4px; background: #fafbff; overflow: hidden; }
.y-baslik strong { font-size: 13px; color: #2b2f66; }
.y-baslik small { color: #8b90ad; }
.y-soru { position: absolute; margin: 0; cursor: grab; border: 1px solid transparent; border-radius: 4px; overflow: hidden; background: #fff; }
.y-soru img { width: 100%; height: 100%; object-fit: contain; display: block; }
.y-soru:hover { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.y-soru.secili { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.y-soru.tasiniyor { opacity: .35; }
.y-soru.birak-ust { box-shadow: 0 -3px 0 0 var(--accent); }
.y-soru.birak-alt { box-shadow: 0 3px 0 0 var(--accent); }
.y-no { position: absolute; top: 2px; left: 2px; background: var(--accent); color: #fff; font-size: 10px; line-height: 1;
  padding: 2px 5px; border-radius: 4px; font-weight: 600; }
.y-araclar { position: absolute; top: 2px; right: 2px; display: none; gap: 3px; }
.y-soru:hover .y-araclar, .y-soru.secili .y-araclar { display: flex; }
.y-araclar button { padding: 2px 6px; font-size: 11px; line-height: 1.2; background: #fff; border: 1px solid var(--line); color: #333; }
.y-araclar button.acik { background: var(--accent); color: #fff; border-color: var(--accent); }
.y-araclar button:disabled { opacity: .4; cursor: default; }
.y-bilgi { position: absolute; bottom: 0; left: 0; right: 0; font-size: 9px; color: #666; background: rgba(255,255,255,.88);
  padding: 1px 4px; display: none; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.y-soru:hover .y-bilgi, .y-soru.secili .y-bilgi { display: block; }
@media (max-width: 760px) { .dizgi-sayfalar { max-width: 100%; overflow-x: auto; } }
.y-hayalet { position: fixed; z-index: 30; pointer-events: none; opacity: .85; border: 2px solid var(--accent);
  border-radius: 4px; overflow: hidden; background: #fff; box-shadow: 0 8px 24px rgba(20,24,60,.28); margin: 0; }
.y-hayalet img { width: 100%; height: 100%; object-fit: contain; display: block; }
.y-hayalet .y-araclar, .y-hayalet .y-bilgi { display: none; }
.y-soru { touch-action: none; user-select: none; }
.y-kazanimlar { color: #6b7090; line-height: 1.45; }
.y-metin { position: absolute; margin: 0; border: 1px dashed var(--accent); border-radius: 4px; overflow: hidden; background: #fff; }
.y-metin img { width: 100%; height: 100%; object-fit: contain; display: block; }
.y-etiket { position: absolute; top: 2px; right: 2px; background: var(--accent-soft); color: #3b3a8f; font-size: 9px;
  padding: 1px 5px; border-radius: 4px; font-weight: 600; opacity: .85; }
.y-metin:hover .y-etiket { opacity: 1; }

/* ---- giriş / kayıt ekranı ve üyelik alanı */
.giris-sayfa { max-width: 460px; margin: 10vh auto; padding: 16px; }
.giris-kart { padding: 26px; }
.giris-sekme { display: flex; gap: 6px; margin-bottom: 18px; }
.giris-sekme button { flex: 1; background: transparent; border: 1px solid var(--line); }
.giris-sekme button.active { background: var(--accent); color: #fff; font-weight: 600; border-color: var(--accent); }
.giris-form label { margin-bottom: 14px; }
button.wide { width: 100%; }
.giris-sonuc { border: 1px solid var(--line); border-radius: 10px; padding: 14px; background: var(--accent-soft); }
.kullanici { display: flex; align-items: center; gap: 8px; margin-left: 8px; padding-left: 12px; border-left: 1px solid var(--line); }
.kullanici .muted { font-size: 13px; white-space: nowrap; }
body:not([data-rol="yonetici"]) .yonetici-alani { display: none; }
.kvkk-onay { align-items: flex-start; gap: 9px; font-size: 13px; line-height: 1.45; margin-bottom: 16px; }
.kvkk-onay input { margin-top: 3px; }
.giris-alt { text-align: center; margin: 16px 0 0; font-size: 13px; }
.metin-sayfa { max-width: 760px; margin: 5vh auto; padding: 16px; }
.metin-sayfa h1 { font-size: 22px; margin: 0 0 4px; }
.metin-sayfa h2 { font-size: 15px; margin: 26px 0 8px; color: var(--accent); }
.metin-sayfa li { margin-bottom: 6px; }
[hidden] { display: none !important; }   /* .grid-test gibi display kuralları hidden'ı ezmesin */

/* ---- ana ekran: ders seçimi */
.ders-ekrani { max-width: 860px; margin: 5vh auto; text-align: center; }
.ders-ekrani h2 { margin-bottom: 20px; font-size: 18px; }
.ders-kartlari { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.ders-kart { display: flex; flex-direction: column; align-items: flex-start; gap: 5px; text-align: left;
  padding: 18px 20px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); transition: border-color .15s, transform .15s; }
.ders-kart:hover:not(:disabled) { border-color: var(--accent); transform: translateY(-2px); }
.ders-kart:disabled { opacity: .45; cursor: not-allowed; }
.ders-kart .ders-ad { font-weight: 600; font-size: 15px; line-height: 1.3; }
.secili-ders { font-size: 14px; margin-right: 8px; }