:root{
  --bg1: linear-gradient(135deg,#7b2ff7,#f107a3);
  --card: #fff;
  --accent: #9b24e8;
  --text:#222;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,Arial;background:var(--bg1);color:#fff;min-height:100vh;display:flex;flex-direction:column}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:18px 24px}
.topbar h1{margin:0;font-size:20px}
.controls{display:flex;gap:10px}
.controls button{background:rgba(255,255,255,0.12);border:0;padding:8px 10px;border-radius:8px;color:#fff;cursor:pointer}
.wrap{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:18px;max-width:1100px;margin:0 auto;width:100%}
.card{background:var(--card);color:var(--text);padding:18px;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,0.12);transition:transform .18s ease}
.card:hover{transform:translateY(-4px)}
label{display:block;margin:8px 0;font-weight:600}
select,input{width:100%;padding:10px;border-radius:8px;border:1px solid #ddd}
.subjects{margin-top:12px}
.subject-box{background:#f7edff;padding:12px;border-radius:10px;margin:10px 0;border-left:4px solid var(--accent);display:flex;flex-direction:column;gap:8px;transition:all .12s ease}
.row{display:flex;gap:10px;margin-top:12px}
.btn{flex:1;padding:10px;border-radius:8px;border:0;background:var(--accent);color:#fff;cursor:pointer}
.btn.outline{background:transparent;border:1px solid var(--accent);color:var(--accent)}
.btn.small{padding:6px 8px;font-size:13px}
.result{margin-top:12px;font-weight:700}
.muted{color:#666;font-weight:500}
.grid-sgpa{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:10px}
.footer{text-align:center;padding:14px;color:#ffe6fb}
@media(max-width:900px){.wrap{grid-template-columns:1fr;padding:12px}.grid-sgpa{grid-template-columns:1fr}}
.dark{background:#0f1724;color:#e6eef8}
.dark .card{background:#0b1220;color:#d9e6ff;border:1px solid rgba(255,255,255,0.03)}