.teacher-page{background:#eef2f5;color:#111b2c}.teacher-header{height:76px;padding:0 clamp(1rem,5vw,5rem);display:flex;align-items:center;justify-content:space-between;background:#0b1220}.teacher-header img{width:190px}.teacher-header a{color:#fff;text-decoration:none}.teacher-main{width:min(1100px,calc(100% - 2rem));margin:0 auto;padding:4rem 0 6rem}.login-card{width:min(480px,100%);margin:3rem auto;background:#fff;padding:2.5rem;border-radius:20px;box-shadow:0 18px 50px rgba(11,18,32,.12)}.login-card h1,.teacher-title h1{font-size:clamp(2rem,5vw,3.5rem);margin:.3rem 0}.login-card form{display:grid;gap:.7rem;margin-top:1.5rem}.login-card input{font:inherit;padding:.9rem 1rem;border:2px solid #ccd4de;border-radius:8px}.login-error{padding:.8rem;background:#ffe5ee;color:#92003c;border-radius:8px}.teacher-title{display:flex;align-items:flex-end;justify-content:space-between;gap:2rem;margin-bottom:2rem}.teacher-files{display:grid;gap:.75rem}.teacher-files article{display:grid;grid-template-columns:64px 1fr auto;gap:1rem;align-items:center;padding:1rem 1.2rem;background:#fff;border-radius:12px;border-left:4px solid #24c7d9}.teacher-files article>span{font-weight:800;color:#087c89}.teacher-files h2{font-size:1rem;margin:0}.teacher-files small{text-transform:uppercase;color:#647083}.teacher-files .button{min-width:110px;text-align:center}@media(max-width:620px){.teacher-header img{width:145px}.teacher-header>a:last-child{font-size:.8rem}.teacher-title{align-items:flex-start;flex-direction:column}.teacher-files article{grid-template-columns:48px 1fr}.teacher-files .button{grid-column:1/-1}.teacher-main{padding-top:2rem}}