.student-body{background:#f3f6fb}.student-login{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top right,#274b8f,#10182e 65%)}.student-login form{width:min(410px,92vw)}.student-login label{display:grid;gap:7px;margin:14px 0}.student-login button{width:100%;margin:8px 0 15px}.student-header{background:#0f1b33}.student-main{max-width:1120px}.hero-card{background:linear-gradient(125deg,#1c3d78,#2563eb);color:#fff;border-radius:22px;padding:32px;display:flex;align-items:center;justify-content:space-between}.hero-card h2{margin:8px 0}.eyebrow{font-size:12px;letter-spacing:2px;color:#bfdbfe}.focus-time{font-size:42px;font-weight:900}.hero-card p{color:#dbeafe;margin:4px 0}.goal-ring{width:130px;height:130px;border:12px solid #ffffff55;border-top-color:#fff;border-radius:50%;display:grid;place-content:center;text-align:center}.goal-ring strong{font-size:26px}.goal-ring span{font-size:12px}.student-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.student-layout .section-title{margin:0 0 18px}.timer-panel{text-align:center}.timer-panel select{width:100%}#timerClock{font-size:52px;font-weight:900;letter-spacing:2px;margin:35px 0}.timer-button{width:100%;font-size:18px}.timer-button.stop{background:#dc2626;border-color:#dc2626}.student-list article{padding:13px 0;border-bottom:1px solid #e8edf4;display:flex;gap:10px;align-items:center}.student-list article:last-child{border:0}.student-list article div{flex:1}.student-list article p{margin:4px 0;color:#64748b;font-size:13px}.student-list button{padding:6px 10px}.site-links{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.site-links a{padding:22px 8px;border:1px solid #dce3ee;border-radius:12px;text-align:center;text-decoration:none;color:#2563eb;font-weight:800;background:#f8fafc}.muted{color:#64748b;font-size:13px}#questionForm{display:grid;gap:10px}@media(max-width:700px){.student-layout{grid-template-columns:1fr}.hero-card{padding:24px}.goal-ring{width:100px;height:100px}.focus-time{font-size:34px}}