.call-lobby{display:grid;grid-template-columns:1fr 1fr;gap:60px}.call-lobby li{margin:12px 0}.call-form{padding:28px;border:1px solid var(--line);border-radius:16px;background:#fff}.call-form label{display:block}.call-form p[role=alert]{color:#a73525}.call-list-item{display:flex;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--line);gap:15px;font-size:12px}.call-list-item span{color:var(--muted)}.call-invite{max-width:680px!important;min-height:70vh}.call-invite h1{font-size:44px}.classroom-shell{background:#f1f4ef;padding:28px max(20px,calc((100vw - 1400px)/2)) 40px;min-height:80vh}.call-heading{display:flex;justify-content:space-between;align-items:start;gap:20px}.call-heading h1{font-size:28px;letter-spacing:-1px;margin-bottom:10px}.call-heading .eyebrow{margin-bottom:8px}.call-heading>div:last-child{text-align:right;display:flex;flex-direction:column;font-size:13px}.call-meta{display:flex;align-items:center;flex-wrap:wrap;gap:18px;font-size:11px;color:var(--green)}#connection-status{background:#dfeada;border-radius:25px;padding:5px 12px}#call-notice{min-height:25px;font-size:12px;padding:10px 0;margin:0}.error{color:#b84130!important}.classroom-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:20px}.call-main{min-width:0}.video-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:12px}.video-tile{position:relative;border-radius:14px;overflow:hidden;background:#203c34;aspect-ratio:4/3;min-width:0}.video-tile video{width:100%;height:100%;object-fit:cover}.video-tile.self video{transform:scaleX(-1)}.video-tile.self{background:#355446}.video-placeholder{position:absolute;inset:0;display:grid;place-content:center;text-align:center;color:#d8e6d9;gap:10px;background:#203c34}.video-placeholder span{font-size:44px;color:var(--yellow)}.video-placeholder strong{font-size:14px}.video-label{position:absolute;bottom:0;left:0;right:0;padding:12px;color:white;background:linear-gradient(transparent,#16291fe0);font-size:10px;display:flex;justify-content:space-between;gap:10px}.prejoin{border:1px solid var(--line);border-radius:14px;padding:24px;background:white;margin-top:18px}.prejoin h3{font-size:16px;margin-bottom:10px}.device-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.device-grid label{font-size:11px}.device-grid select{background:#f3f6f0;border-radius:7px;padding:8px}.check-row{display:flex;gap:22px;flex-wrap:wrap;margin:15px 0}.check-row label,.check-label{display:flex;align-items:center;gap:7px;font-size:12px}.check-row input,.check-label input{width:auto;margin:0}.prejoin details{padding:12px 0;font-size:11px}.prejoin details p{font-size:11px;margin-bottom:10px}.prejoin .booking-actions button{font-size:12px}.call-toolbar{display:flex;flex-wrap:wrap;gap:8px;padding:15px;background:#203c34;border-radius:12px;margin-top:15px}.call-toolbar button{padding:10px 12px;font-size:11px;background:#3c5b4e;color:white;border:1px solid #5e786b;border-radius:7px}.call-toolbar button.off{background:#75493d}.call-toolbar button.danger{background:#b84d3e;border-color:#b84d3e}.call-toolbar button:hover{filter:brightness(1.13)}.call-sidebar{border:1px solid var(--line);border-radius:14px;background:white;display:flex;flex-direction:column;overflow:hidden}.side-section{padding:20px;border-bottom:1px solid var(--line)}.side-section h3,.chat-panel h3{font-size:15px;margin-bottom:15px}.side-section h3 span{font-size:11px;color:var(--muted);float:right}.side-section button.outline{font-size:11px;padding:9px 12px;width:100%;margin-top:12px}.side-section input{font-size:10px}.side-section label{font-size:10px}.side-section .text-button{font-size:10px;padding:8px 0;display:block}.danger-text{color:#a43b2e}.member-row{border-bottom:1px solid #edf0e9;padding:10px 0}.member-row strong,.member-row small{display:block;font-size:12px}.member-row small{color:var(--muted);font-size:10px}.waiting-person{background:#fff5d9;padding:12px;border-radius:8px;font-size:12px;margin-top:10px}.waiting-person strong,.waiting-person small{display:block}.waiting-person button{font-size:10px;padding:8px 11px;margin:5px}.chat-panel{padding:20px;display:flex;flex-direction:column;flex:1}.chat-messages{min-height:150px;max-height:330px;overflow:auto;flex:1}.chat-message{background:#f1f4ed;border-radius:8px;padding:10px;margin-bottom:10px;overflow-wrap:anywhere}.chat-message.mine{background:#fff1db}.chat-message strong{font-size:9px;color:var(--muted);display:block}.chat-message p,.chat-message a{font-size:12px;margin:5px 0 0;color:var(--ink);white-space:pre-wrap}.chat-message a{display:block;text-decoration:underline}.chat-panel form{display:flex;gap:6px;align-items:center;margin-top:10px}.chat-panel form input{min-width:0;font-size:11px;margin:0}.chat-panel form button{font-size:11px;padding:11px}.file-label{font-size:11px;color:var(--green);cursor:pointer;margin:12px 0 8px}.file-label input{font-size:10px;padding:7px;margin-top:5px}.chat-panel>small{font-size:9px;color:var(--muted)}.call-diagnostics{font-size:11px;padding:15px 0}.call-diagnostics p{font-size:10px;overflow-wrap:anywhere}.screen-wrap{background:#152b24;border-radius:14px;position:relative;overflow:hidden;margin-bottom:12px}.screen-wrap video{width:100%;max-height:60vh;display:block;object-fit:contain}.screen-wrap>span{position:absolute;bottom:6px;left:10px;background:#203b34dd;color:white;padding:4px 9px;border-radius:5px;font-size:10px}.call-main:fullscreen{padding:20px;background:#182b24;overflow:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:1000px){.classroom-grid{grid-template-columns:minmax(0,1fr) 270px}.video-grid{grid-template-columns:1fr}.video-tile.self{max-width:260px}.call-lobby{gap:25px}}@media(max-width:720px){.call-lobby,.classroom-grid{grid-template-columns:1fr;gap:24px}.classroom-shell{padding:22px 15px}.call-heading{flex-direction:column;gap:5px}.call-heading>div:last-child{flex-direction:row;gap:15px;align-items:center;text-align:left}.call-heading h1{font-size:25px}.video-grid{grid-template-columns:1.4fr 1fr;gap:8px}.video-tile.self{max-width:none}.video-label{font-size:8px;padding:8px}.video-placeholder strong{font-size:10px}.video-placeholder span{font-size:25px}.prejoin{padding:18px}.device-grid{gap:12px}.call-toolbar{gap:6px;padding:10px}.call-toolbar button{font-size:10px;padding:9px}.call-invite h1{font-size:36px}.call-form{padding:22px}.chat-messages{max-height:260px}}