/* Sınıf Araçları (/sinif-araclari) */
.sa { max-width: 72rem; margin: 0 auto; padding: 28px 20px 40px; color: #1A1815; }
.sa h1 { font-size: 34px; font-weight: 800; letter-spacing: -.02em; margin: 0; }
.sa-alt { color: #6F6862; font-size: 16px; margin: 8px 0 18px; }
.sa-sinif { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; background: #fff; border: 1px solid #E4DED2; border-radius: 14px; padding: 12px 16px; margin-bottom: 18px; font-size: 15px; }
.sa-sinif select { padding: 8px 10px; border: 1px solid #E4DED2; border-radius: 10px; font: inherit; font-weight: 700; background: #FBFAF7; max-width: 100%; }
.sa-sinif .sa-sinif-yazi { flex: 1 1 220px; }
.sa-d { padding: 8px 14px; border-radius: 10px; border: 1px solid #E4DED2; background: #FBFAF7; font: inherit; font-weight: 700; cursor: pointer; color: #1A1815; }
.sa-d.ana { background: #1E7B45; border-color: #1E7B45; color: #fff; }
.sa-kartlar { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px; }
.sa-kart { display: flex; flex-direction: column; align-items: flex-start; gap: 3px; text-align: left; background: #fff; border: 1px solid #E4DED2; border-radius: 14px; padding: 18px; cursor: pointer; font: inherit; color: #1A1815; transition: border-color .12s, box-shadow .12s; }
.sa-kart:hover { border-color: #E0C989; box-shadow: 0 6px 18px rgba(26,24,21,.06); }
.sa-kart b { font-size: 18px; font-weight: 800; }
.sa-kart span:not(.sa-ik) { color: #6F6862; font-size: 13.5px; }
.sa-ik { font-size: 32px; line-height: 1; margin-bottom: 6px; }
.sa-not { color: #6F6862; font-size: 13.5px; margin-top: 18px; }
.sa-not a { color: #9A6F0F; font-weight: 700; }

/* Sahne: araç açılınca bütün ekranı kaplar (tahtaya yansıtma) */
.sa-sahne { position: fixed; inset: 0; z-index: 9000; background: #FBFAF7; display: flex; flex-direction: column; }
.sa-sahne[hidden] { display: none; }
.sa-ust { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-bottom: 1px solid #E4DED2; background: #fff; }
.sa-ust b { flex: 1; font-size: 18px; }
.sa-ust-d { padding: 9px 14px; border-radius: 10px; border: 1px solid #E4DED2; background: #FBFAF7; font: inherit; font-weight: 700; cursor: pointer; color: #1A1815; }
.sa-kapat { width: 46px; font-size: 18px; background: #1A1815; color: #fff; border-color: #1A1815; }
.sa-govde { flex: 1; overflow: auto; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2.5vh; padding: 3vh 4vw; text-align: center; }
.sa-buyuk { font-size: clamp(40px, 11vh, 140px); font-weight: 900; line-height: 1.05; letter-spacing: -.02em; }
.sa-orta { font-size: clamp(18px, 3.2vh, 32px); color: #6F6862; font-weight: 700; }
.sa-dugmeler { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.sa-dugmeler button, .sa-govde .sa-buton { padding: 14px 26px; border-radius: 14px; border: 1px solid #E4DED2; background: #fff; font: inherit; font-size: clamp(16px, 2.6vh, 26px); font-weight: 800; cursor: pointer; color: #1A1815; }
.sa-dugmeler .ana, .sa-govde .sa-buton.ana { background: #1A1815; color: #FBFAF7; border-color: #1A1815; }
.sa-govde input[type=number] { width: 110px; padding: 10px; border: 1px solid #E4DED2; border-radius: 12px; font: inherit; font-size: 22px; font-weight: 800; text-align: center; }
.sa-uyari { background: #F6ECD4; color: #6B4E0B; border-radius: 12px; padding: 12px 16px; font-size: 16px; max-width: 560px; }
.sa-gruplar { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; width: 100%; max-width: 1200px; text-align: left; }
.sa-grup { background: #fff; border: 2px solid #E4DED2; border-radius: 14px; padding: 12px 14px; }
.sa-grup h3 { margin: 0 0 6px; font-size: 18px; }
.sa-grup div { font-size: clamp(15px, 2.2vh, 22px); line-height: 1.5; }
.sa-isik { display: flex; flex-direction: column; gap: 2vh; background: #1A1815; padding: 2.5vh; border-radius: 4vh; }
.sa-isik i { width: 16vh; height: 16vh; border-radius: 50%; background: #3A3631; cursor: pointer; display: block; }
.sa-isik i.on[data-r=red] { background: #ef4444; box-shadow: 0 0 6vh #ef4444; }
.sa-isik i.on[data-r=yellow] { background: #f59e0b; box-shadow: 0 0 6vh #f59e0b; }
.sa-isik i.on[data-r=green] { background: #22c55e; box-shadow: 0 0 6vh #22c55e; }
.sa-skor { display: grid; grid-template-columns: 1fr 1fr; gap: 3vw; width: 100%; max-width: 1100px; }
.sa-takim { background: #fff; border: 2px solid #E4DED2; border-radius: 20px; padding: 3vh 2vw; display: flex; flex-direction: column; align-items: center; gap: 1.5vh; }
.sa-takim input { border: 0; background: none; text-align: center; font: inherit; font-size: clamp(18px, 3.4vh, 34px); font-weight: 800; width: 100%; color: inherit; }
.sa-hesap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2vh; width: min(92vw, 62vh); }
.sa-hesap .ekran { grid-column: 1 / -1; background: #1A1815; color: #FBFAF7; border-radius: 14px; padding: 2vh 2vw; font-size: clamp(28px, 7vh, 72px); font-weight: 800; text-align: right; overflow: hidden; white-space: nowrap; }
.sa-hesap button { padding: 2.2vh 0; font-size: clamp(20px, 4.2vh, 44px); font-weight: 800; border-radius: 14px; border: 1px solid #E4DED2; background: #fff; cursor: pointer; font-family: inherit; }
.sa-hesap button.op { background: #F6ECD4; }
.sa-hesap button.esit { background: #1E7B45; color: #fff; border-color: #1E7B45; }
.sa-olcer { width: min(80vw, 900px); height: 5vh; background: #EDE8DD; border-radius: 99px; overflow: hidden; }
.sa-olcer i { display: block; height: 100%; width: 0; border-radius: 99px; transition: width .15s, background .3s; }
.sa-para { width: 26vh; height: 26vh; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #F8E6A8, #C99A2E); display: flex; align-items: center; justify-content: center; font-size: 5vh; font-weight: 900; color: #5A3E06; box-shadow: 0 1vh 3vh rgba(0,0,0,.18); transition: transform .9s; }
@media (max-width: 640px) { .sa h1 { font-size: 28px; } .sa-skor { grid-template-columns: 1fr; } }