@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto 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ease}.ticket-item:hover{background:var(--bg-tertiary)}.ticket-item:last-child{border-bottom:none}.ticket-status-icon{width:40px;height:40px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}.ticket-content{flex:1;min-width:0}.ticket-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:4px}.ticket-header h4{font-size:14px;font-weight:600;color:var(--text-primary);margin:0}.ticket-badges{display:flex;gap:6px;flex-shrink:0}.ticket-preview{font-size:13px;color:var(--text-muted);margin:0 0 8px;line-height:1.4}.ticket-meta{display:flex;gap:16px;font-size:11px;color:var(--text-muted)}.ticket-meta span{display:flex;align-items:center;gap:4px}.chat-room-list{display:flex;flex-direction:column}.chat-room-item{display:flex;gap:12px;padding:16px 20px;border-bottom:1px solid var(--border);cursor:pointer;transition:background .15s ease}.chat-room-item:hover{background:var(--bg-tertiary)}.chat-room-avatar{width:48px;height:48px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:14px;flex-shrink:0}.chat-room-content{flex:1;min-width:0}.chat-room-header{display:flex;justify-content:space-between;margin-bottom:4px}.chat-room-name{font-size:14px;font-weight:600;color:var(--text-primary)}.chat-room-time{font-size:11px;color:var(--text-muted)}.chat-room-preview{font-size:13px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-room-unread{width:20px;height:20px;border-radius:50%;background:var(--accent);color:#fff;font-size:11px;font-weight:600;display:flex;align-items:center;justify-content:center}.chat-messages{display:flex;flex-direction:column;gap:12px;max-height:400px;overflow-y:auto;padding:16px;background:var(--bg-tertiary);border-radius:var(--radius-md)}.chat-message{max-width:80%;padding:10px 14px;border-radius:var(--radius-md);font-size:13px;line-height:1.5}.chat-message.student{background:var(--bg-secondary);align-self:flex-start;border:1px solid var(--border)}.chat-message.instructor{background:var(--accent);color:#fff;align-self:flex-end}.chat-message-header{font-size:11px;opacity:.7;margin-bottom:4px}.chat-message-time{font-size:10px;opacity:.6;margin-top:4px;text-align:right}