body{background:#f6f7fb;color:#1f2937}.hero-card{background:linear-gradient(135deg,#ffcb05,#f59e0b);border-radius:28px;padding:28px;box-shadow:0 10px 30px rgba(0,0,0,.08)}.stat-card,.login-card{background:#fff;border-radius:22px;padding:24px;box-shadow:0 8px 24px rgba(15,23,42,.06);height:100%}.login-body{background:#eef2f7}.login-card{max-width:460px}.stat-number{font-size:2rem;font-weight:700;margin-top:8px}.student-card{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:18px;margin-bottom:14px}.certificate-body{background:#eef2f7}.certificate-box{max-width:900px;background:#fff;border:6px solid #111827;border-radius:28px;padding:56px 32px;box-shadow:0 20px 50px rgba(0,0,0,.08)}.score-big{font-size:3.5rem;font-weight:800;margin-top:16px}.label{font-size:.9rem;color:#6b7280}.value{font-size:1.1rem;font-weight:700}@media (max-width:767.98px){.hero-card{padding:20px;border-radius:22px}.certificate-box{padding:32px 20px;border-width:4px}.score-big{font-size:2.5rem}}