.sinif-secim { height:100%; min-height:0; display:flex; flex-direction:column; justify-content:center; gap:20px; text-align:center; }
.sinif-secim h1 { font-size:clamp(22px,4vw,34px); color:#ffdb7b; }.sinif-secim > p { color:var(--text-muted); }
.sinif-kartlar { display:grid; grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); gap:18px; }
.sinif-kart { border:2px solid var(--border); border-radius:20px; padding:35px 20px; background:linear-gradient(135deg,var(--card),var(--bg2)); color:var(--text); font:inherit; cursor:pointer; }
.sinif-kart:hover { border-color:var(--accent); }.sinif-kart strong { display:block; font-size:32px; color:var(--accent); margin-bottom:12px; }.sinif-kart span { font-size:14px; color:var(--text-muted); }
.sinif-degistir { border:1px solid #8495b5; background:var(--bg2); color:var(--text); border-radius:9px; padding:6px 8px; font:inherit; font-size:11px; cursor:pointer; }
.mufredat-panel { padding:15px; text-align:left; }.mufredat-panel p { margin-top:7px; font-size:13px; }.mufredat-panel a { color:#ffdb7b; }
#sinifArsiv { display:flex; gap:8px; justify-content:center; flex-wrap:wrap; }#sinifArsiv .sinif-kart { padding:12px; }#sinifArsiv .sinif-kart strong { font-size:20px; }
@media(max-width:600px){.sinif-secim { gap:14px; }.sinif-kartlar { grid-template-columns:1fr; gap:12px; }.sinif-kart { padding:25px 16px; }.sinif-kart strong { font-size:27px; }.header h1 { font-size:13px; }.user-info { gap:4px; }.user-name { max-width:17vw; }.sinif-secim > p { font-size:13px; }}
@media(max-height:450px){.sinif-secim { gap:9px; }.sinif-kartlar { grid-template-columns:1fr 1fr; }.sinif-kart { padding:15px; }.sinif-kart strong { font-size:24px; margin-bottom:5px; }}