.student-shell{min-height:100vh;background:#f6f7f3}
.student-topbar{min-height:82px;padding:18px 32px;display:flex;align-items:center;gap:25px;border-bottom:1px solid var(--line);background:white}
.student-brand{display:flex;align-items:center;gap:10px;color:var(--green);font-size:20px;white-space:nowrap}
.student-brand img{width:32px;height:32px}
.student-topbar nav,.student-account{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.student-account{margin-left:auto}.student-account strong{font-size:14px}.student-account .text-btn{padding:5px}
.student-content{max-width:1280px;margin:0 auto;padding:40px 32px 64px}
.student-focus{max-width:1000px;margin:20px auto;padding:48px 55px;background:white;border:1px solid var(--line);border-radius:24px;text-align:center;box-shadow:0 12px 45px #173e3506}
.student-class-label{font-size:14px;color:var(--muted);margin-bottom:25px}
.stage-tag{display:inline-block;background:#edf1e7;color:#617650;padding:9px 20px;border-radius:30px;font-size:14px;font-weight:700}
.stage-tag.voting{background:var(--lime);color:var(--green)}
.student-presenter{font-size:24px;font-weight:700;margin:28px 0 10px;color:var(--green)}
.student-focus h1{font-size:38px;line-height:1.4;letter-spacing:-1px;overflow-wrap:anywhere}
.student-focus h2{font-size:30px;margin:18px 0 12px}.student-focus .student-state-icon{margin:30px auto 15px;width:86px;height:86px;background:#f0f5e7;border-radius:50%;display:grid;place-items:center;color:#729b54}
.student-state-icon .icon{width:40px;height:40px}
.student-instruction{font-size:19px;line-height:1.9;color:#7e8983;margin:18px 0 28px}
.student-focus .btn.large{font-size:17px;padding:16px 30px;min-height:56px}
.focus-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.student-voting{margin-top:0}.student-voting .student-presenter{margin-top:22px}
.student-voting h1{font-size:32px}.student-vote-panel{text-align:left;margin-top:35px;border-top:1px solid var(--line);padding-top:28px}
.student-vote-panel h3{font-size:20px}.student-vote-panel .hint{font-size:14px;line-height:1.8}
.student-vote-panel .score-row{padding:24px 0}.student-vote-panel .score-row label{font-size:20px}
.student-vote-panel .score-row .score-buttons{gap:9px;margin-top:20px}
.student-vote-panel .score-buttons button{height:64px;font-size:23px;border:1px solid #dde5d7;border-radius:12px;font-weight:600}
.student-vote-panel .score-buttons button.selected{background:var(--green);color:var(--lime);border-color:var(--green);box-shadow:0 0 0 3px #d7ed9d}
.student-vote-panel .score-picked{font-size:18px}.student-vote-panel button[type=submit]{height:62px;font-size:19px;border-radius:12px}
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;padding:25px}
.gallery-card{border:1px solid var(--line);border-radius:15px;padding:25px}.gallery-card h2{margin:14px 0}.gallery-card p{color:var(--muted);font-size:13px;margin-bottom:20px}
.teacher-stage-launch{display:flex;align-items:center;gap:15px;margin-bottom:22px;flex-wrap:wrap}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.projector-shell{height:100dvh;min-height:600px;background:#101d18;color:#f5f7ef;display:flex;flex-direction:column;padding:0 28px;overflow:hidden}
.projector-shell:fullscreen{height:100vh;overflow:auto}
.projector-header{display:flex;flex-shrink:0;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid #314337}
.projector-header .eyebrow{color:#a4bc9a}.projector-header #projector-round{font-size:14px;color:#c7d6c1;margin-top:5px}
.projector-header .btn.outline,.projector-footer .btn.outline{background:transparent;border-color:#52634c;color:#e1e8da}
.projector-status{font-size:14px;color:var(--lime);white-space:nowrap}
.projector-title{display:flex;flex-shrink:0;align-items:baseline;gap:20px;padding:20px 0 16px;flex-wrap:wrap}
.projector-title span{font-size:23px;color:var(--lime);white-space:nowrap}.projector-title h1{font-size:32px;letter-spacing:-.5px}
.projector-viewer{flex:1;min-height:0;background:#080f0c;border:1px solid #314337;border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.projector-viewer .viewer-img{width:100%;height:100%;max-height:none;max-width:none;object-fit:contain}
.projector-viewer .viewer,.projector-viewer .viewer-video{height:100%;width:100%;min-height:0;max-height:none;border:0;border-radius:0;background:white}
.projector-viewer audio{width:min(75%,700px)}
.projector-empty{display:flex;flex-direction:column;align-items:center;gap:25px;max-width:700px;text-align:center;padding:35px;color:#bdcdb3;font-size:22px;line-height:1.8}
.projector-files{display:flex;gap:9px;padding:13px 0;overflow:auto;flex-shrink:0}
.projector-files button,.projector-files a{white-space:nowrap;padding:10px 15px;border:1px solid #40543a;border-radius:8px;background:#1f3027;color:#c9d8c2;font-size:14px}
.projector-files button[aria-pressed=true]{background:var(--lime);color:var(--green);border-color:var(--lime)}
.projector-footer{display:flex;flex-shrink:0;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid #314337;padding:14px 0 20px;flex-wrap:wrap}
.projector-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.projector-controls select{width:auto;max-width:440px;background:#21342a;color:#ecf2e7;border-color:#52634c}
#projector-vote-count{font-size:17px;color:var(--lime);white-space:nowrap}
@media(min-width:901px) and (max-height:850px){.student-topbar{min-height:68px;padding:12px 28px}.student-content{padding-top:20px}.student-focus{margin:0 auto;padding:20px 32px}.student-class-label{margin-bottom:8px;font-size:12px}.student-voting .student-presenter{margin:10px 0 6px;font-size:22px}.student-voting h1{font-size:28px}.student-instruction{font-size:16px;margin:8px 0 10px}.student-vote-panel{margin-top:14px;padding-top:12px}.student-vote-panel .score-row{padding:14px 0}.student-vote-panel .score-row .score-buttons{margin-top:14px}.student-vote-panel .score-buttons button{height:52px;font-size:20px}.student-vote-panel button[type=submit]{height:54px;font-size:17px}}
@media(max-width:900px){.student-topbar{padding:16px 20px;gap:15px;flex-wrap:wrap}.student-account .live-note{display:none}.student-content{padding:25px 20px}.student-focus{padding:35px 28px}.student-focus h1{font-size:30px}.student-vote-panel .score-buttons button{height:55px;font-size:20px}.projector-shell{padding:0 15px}.projector-title h1{font-size:24px}.projector-title span{font-size:18px}.projector-viewer{min-height:340px}}
@media(max-width:600px){.student-topbar nav{order:3;width:100%}.student-brand{font-size:17px}.student-account{gap:4px}.student-content{padding:18px 12px}.student-focus{margin:0 auto;padding:28px 20px;border-radius:17px}.student-focus h1{font-size:26px}.student-focus h2{font-size:24px}.student-presenter{font-size:22px}.student-instruction{font-size:16px}.student-vote-panel .score-row .score-buttons{grid-template-columns:repeat(5,1fr);gap:9px}.student-vote-panel .score-buttons button{height:54px}.student-vote-panel .score-row label{font-size:17px}.projector-header{align-items:flex-start}.projector-header .row{flex-wrap:wrap;gap:8px}.projector-controls select{max-width:100%}.projector-title{gap:8px}.projector-title h1{font-size:21px}.projector-viewer{height:50vh;min-height:250px}}