:root{--navy: #2E3252;--navy-dark: #161828;--coral: #D26F6B;--coral-dark: #C74F49;--purple: #655BD5;--blue: #00B0F0;--white: #FFFFFF;--light: #F2F4F8;--text: #3A3A3A}*{box-sizing:border-box}body{margin:0;font-family:Lato,sans-serif;color:var(--text);background:var(--light)}.page{min-height:100vh}.topbar{background:var(--navy);color:var(--white);display:flex;align-items:center;justify-content:space-between;padding:16px 32px}.logo{font-family:Montserrat,sans-serif;font-weight:800;letter-spacing:.5px}.badge{margin-left:10px;background:var(--yellow, #D2C91E);color:#161828;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:700}.btn{border:none;padding:10px 18px;font-family:Montserrat,sans-serif;font-weight:600;border-radius:8px;cursor:pointer}.btn.primary{background:var(--coral);color:var(--white)}.hero{padding:72px 32px;background:var(--navy);color:var(--white)}.hero h1{font-family:Montserrat,sans-serif;font-size:42px;margin:0 0 12px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;padding:24px 32px}.card{background:var(--white);border:1px solid #e5e7eb;border-radius:14px;padding:16px;text-align:left;cursor:pointer;transition:box-shadow .2s ease,transform .2s ease}.card:hover{box-shadow:0 12px 30px #00000014;transform:translateY(-2px)}.card.active{border-color:var(--purple)}.card-title{font-family:Montserrat,sans-serif;font-weight:700}.card-sub{color:#666;font-size:12px;margin-top:6px}.questions{padding:16px 32px 48px}.questions h2{font-family:Montserrat,sans-serif;color:var(--navy)}.exam-header{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.timer{background:var(--navy-dark);color:var(--white);padding:6px 10px;border-radius:8px}.results{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin:16px 0}.result-card{background:var(--light);border-radius:10px;padding:10px 12px}.question{background:var(--white);border-radius:16px;padding:18px;margin:16px 0;border:1px solid #eee}.stem{font-weight:600;margin-bottom:12px}.options{display:grid;gap:8px}.option{display:flex;align-items:center;gap:10px;border:1px solid #eaeaea;border-radius:10px;padding:8px 10px}input.option,textarea.option{width:100%;font-family:inherit;font-size:14px;border:1px solid #eaeaea;border-radius:10px;padding:8px 10px}.opt-key{background:var(--purple);color:var(--white);font-weight:700;padding:4px 8px;border-radius:6px}.vote button{background:transparent;border:none;cursor:pointer;font-size:16px;color:var(--coral)}.meta{display:flex;gap:12px;margin-top:12px;align-items:center;flex-wrap:wrap}.explanation{width:100%;font-size:14px;line-height:1.5;color:#444}.pill{background:var(--light);border-radius:999px;padding:4px 10px;font-size:12px}.attempts{padding:16px 32px 48px}.attempt-list{display:grid;gap:8px}.attempt-item{background:var(--white);border:1px solid #eee;border-radius:10px;padding:10px 12px;display:grid;grid-template-columns:2fr 1fr 1fr auto auto;gap:8px;align-items:center}