:root{--navy:#061a38;--blue:#087cff;--cyan:#19bff5;--math:#ff7a16;--physics:#087cff;--chem:#8d20d6;--teal:#09bda9;--red:#ff3b47;--ink:#0b1b3a;--muted:#66758e;--paper:#f4f7fb;--white:#fff;--line:#e5edf6}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--paper);color:var(--ink)}a{text-decoration:none;color:inherit}
.app{min-height:100vh;display:grid;grid-template-columns:245px 1fr}.side{background:var(--navy);color:#dbe7f5;padding:26px 18px;position:sticky;top:0;height:100vh}.brand{font-weight:900;font-size:21px;color:#fff;margin:0 10px 28px}.brand span{color:var(--cyan)}.nav a{display:block;padding:12px 14px;border-radius:10px;margin:4px 0}.nav a:hover,.nav a.active{background:#0c3971;color:#fff}.main{padding:28px 34px}.top{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:26px}.top h1{margin:0;font-size:32px}.muted{color:var(--muted)}.grid{display:grid;gap:18px}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 10px 30px rgba(9,35,73,.06)}.metric{color:#fff}.metric b{font-size:29px;display:block;margin-top:6px}.math{background:linear-gradient(120deg,#ff9b23,#ed5d10)}.physics{background:linear-gradient(120deg,#0ca7f7,#075df2)}.chem{background:linear-gradient(120deg,#b32fe0,#6818c7)}.btn{display:inline-block;background:var(--blue);color:#fff;padding:11px 16px;border-radius:10px;font-weight:800;border:0;cursor:pointer}.btn.ghost{background:#eef5ff;color:var(--blue)}.tag{display:inline-block;padding:6px 9px;border-radius:999px;background:#eef5ff;color:var(--blue);font-size:12px;font-weight:800}.row{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}.row:last-child{border:0}.progress{height:9px;background:#edf1f6;border-radius:20px;overflow:hidden;margin-top:9px}.progress i{display:block;height:100%;background:var(--teal);border-radius:20px}.question{font-size:19px;line-height:1.55}.option{display:block;width:100%;text-align:left;padding:14px;border:1px solid var(--line);background:#fff;border-radius:11px;margin:9px 0;cursor:pointer}.option:hover{border-color:var(--blue);background:#f6faff}.hexgrid{display:flex;flex-wrap:wrap;gap:16px;align-items:center}.hex{width:125px;height:108px;clip-path:polygon(25% 6%,75% 6%,100% 50%,75% 94%,25% 94%,0 50%);display:grid;place-items:center;text-align:center;color:#fff;font-weight:800;background:var(--blue)}.hex.warn{background:#ffae22}.hex.bad{background:var(--red)}.hex.good{background:var(--teal)}.login{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}.loginhero{background:radial-gradient(circle at 70% 40%,#0a4d91,var(--navy) 62%);color:#fff;padding:8vw;display:flex;flex-direction:column;justify-content:center}.loginhero h1{font-size:55px;line-height:1;margin:10px 0}.loginbox{display:grid;place-items:center;padding:35px}.form{width:min(420px,100%)}input,textarea,select{width:100%;padding:14px;border:1px solid #dbe5f1;border-radius:10px;margin:7px 0 15px;font:inherit}textarea{min-height:130px}.mobiletop{display:none}
@media(max-width:800px){.app{grid-template-columns:1fr}.side{display:none}.main{padding:20px}.g3,.g2{grid-template-columns:1fr}.login{grid-template-columns:1fr}.loginhero{min-height:330px;padding:40px 24px}.loginhero h1{font-size:42px}.mobiletop{display:block;background:var(--navy);color:#fff;padding:16px 20px;font-weight:900}}