:root{--ink:#14213d;--blue:#1455a3;--accent:#ffb703;--muted:#64748b;--bg:#f5f8fc}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px 'Hind Siliguri',sans-serif;line-height:1.55}a{color:var(--blue);text-decoration:none}header{height:70px;background:#fff;display:flex;justify-content:space-between;align-items:center;padding:8px clamp(16px,5vw,72px);box-shadow:0 1px 14px #14213d12;position:sticky;top:0;z-index:5}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:19px}.brand img{width:100px;height:52px;object-fit:contain;background:#000;border-radius:5px}nav{display:flex;align-items:center;gap:13px}nav form,.ib{display:inline}button{font:inherit;border:0;cursor:pointer}.link{background:none;color:var(--blue);padding:6px}.btn{display:inline-block;background:var(--blue);color:#fff;border-radius:9px;padding:10px 18px;font-weight:600;margin-top:10px}.btn:hover{background:#0c427f}.mini{padding:7px 13px;margin:0}.profile{display:flex;align-items:center;gap:6px}.profile img{width:35px;height:35px;border-radius:50%;object-fit:cover}main{max-width:1120px;margin:auto;padding:28px 18px 54px;min-height:calc(100vh - 130px)}footer{text-align:center;color:var(--muted);padding:20px;background:#fff}.hero{color:#fff;background:linear-gradient(125deg,#06295a,#1557a6 60%,#157a8d);border-radius:18px;padding:clamp(26px,5vw,60px);margin-bottom:34px;overflow:hidden}.hero h1{font-size:clamp(30px,5vw,52px);max-width:600px;margin:6px 0}.hero p{max-width:580px;font-size:19px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}.card{background:#fff;padding:0 20px 20px;border-radius:14px;box-shadow:0 7px 22px #14213d12}.cover{display:block;width:calc(100% + 40px);height:170px;margin:0 -20px 15px;border-radius:14px 14px 20px 20px;object-fit:cover;background:#dce7f6}.card h3{font-size:22px;margin:4px 0}.card p{color:var(--muted);min-height:52px}.card .btn{display:block;text-align:center}.form{max-width:520px;background:#fff;border-radius:15px;padding:26px;margin:20px auto;box-shadow:0 7px 22px #14213d10}.form form,label{display:grid;gap:5px;margin:11px 0}input,textarea{border:1px solid #cbd5e1;border-radius:8px;padding:9px;font:inherit;width:100%}textarea{min-height:70px}.flash{background:#e7f5e9;color:#1e6831;padding:8px 12px;border-radius:7px}.row{display:flex;background:#fff;margin:8px 0;padding:12px 15px;border-radius:9px;justify-content:space-between;align-items:center;gap:10px}.split{display:grid;grid-template-columns:1fr 1fr;gap:25px}.timer{position:sticky;top:78px;background:#fff3cd;padding:8px 12px;border-radius:8px;z-index:2}.exam fieldset{border:1px solid #dbe5f1;background:#fff;border-radius:10px;padding:15px;margin:15px 0}.option{display:block;padding:7px;margin:2px 0}.option input{width:auto}.score{font-size:72px;font-weight:700;color:var(--blue)}.score small{font-size:30px}.result{text-align:center;background:#fff;padding:35px;border-radius:15px}.review{background:#fff;padding:13px;border-left:5px solid;border-radius:7px;margin:9px 0}.right{border-color:#22a06b}.wrong{border-color:#d64545}.admin{display:grid;grid-template-columns:220px 1fr;gap:24px}.admin aside{background:#102c54;border-radius:12px;padding:16px;height:max-content}.admin aside b,.admin aside a{display:block;color:#fff;padding:8px}.inline{display:flex;flex-wrap:wrap;align-items:center;gap:8px;background:#fff;padding:12px;border-radius:9px}.inline input{width:auto;flex:1;min-width:120px}.stats{display:flex;gap:14px}.stats b{padding:20px;background:#fff;border-radius:10px;font-size:28px}.stats small{font-size:14px;font-weight:400}.question{background:#fff;padding:10px;margin:10px 0;border-radius:8px}.question form:first-child{display:grid;grid-template-columns:2fr 2fr 60px 60px 75px;gap:6px}.danger{color:#b42318}@media(max-width:650px){header{height:auto;min-height:64px;padding:6px 14px}.brand strong{display:none}.brand img{width:90px;height:44px}nav{gap:7px;font-size:14px}main{padding:20px 13px}.split,.admin{grid-template-columns:1fr}.admin aside{display:flex;gap:4px;overflow:auto}.admin aside b{display:none}.admin aside a{white-space:nowrap}.question form:first-child{grid-template-columns:1fr!important}.row{align-items:flex-start;flex-direction:column}.stats{flex-wrap:wrap}.hero{border-radius:12px}.score{font-size:58px}.cover{height:150px}.google-button{width:100%}}
.google-button{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;min-height:48px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:#1f2937;font-family:Arial,sans-serif;font-weight:600;box-shadow:0 1px 2px #14213d18}.google-button:hover{background:#f8fafc}.google-button img{width:20px;height:20px}.course-banner-preview{display:block;width:min(100%,560px);height:180px;object-fit:cover;border-radius:10px;margin:8px 0 12px}