.staff-login{display:grid;place-items:center;min-height:100vh;background:#f7f3ee;margin:0;padding:24px}.login-card{width:min(440px,100%);padding:36px;background:#fff;border:1px solid #e8ded2;border-radius:18px;box-shadow:0 12px 50px #60442b0a}.login-card h1{font-size:28px;margin:18px 0 12px}.login-card p{line-height:1.8;color:#6b625c}.login-card label,.academy-form>label{display:grid;gap:8px;margin-bottom:16px}.login-card input,.academy-form input:not([type=checkbox]),.academy-form textarea,#message-text{box-sizing:border-box;width:100%;padding:11px;border:1px solid #d8dce2;border-radius:7px;font:inherit}.login-card .button{width:100%}.academy-kicker{letter-spacing:2px;font-size:12px;color:#967550}.academy-body{background:#f6f7f9}.academy-topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:24px 32px;background:#fff;border-bottom:1px solid #e2e6eb}.academy-topbar h1{font-size:26px;margin:7px 0 0}.academy-main{max-width:1440px;margin:auto;padding:24px 32px}.academy-main [hidden]{display:none!important}.academy-main [role=alert],#login-error{color:#b43d39}.teacher-management-grid{display:grid;grid-template-columns:minmax(250px,1fr) minmax(330px,1.2fr);gap:24px}.teacher-list{display:grid;align-content:start;gap:12px}.teacher-row{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid #e2e6eb;border-radius:10px;padding:18px}.teacher-row>div{flex:1;min-width:0}.teacher-row h3{margin:0 0 6px}.teacher-row p{margin:4px 0;overflow-wrap:anywhere}.teacher-avatar{width:64px;height:64px;object-fit:cover;border-radius:50%;background:#eee7dc;flex-shrink:0}.teacher-avatar-placeholder{display:grid;place-items:center;color:#8c6843;font-size:25px}.academy-form small{color:#677382;line-height:1.6}.academy-form .check-label{display:flex;align-items:center;gap:10px}.academy-inbox{margin-top:32px}.academy-chat-grid{display:grid;grid-template-columns:310px minmax(0,1fr);gap:18px}.academy-threads{padding:8px;max-height:680px;overflow:auto}.academy-thread{display:block;text-align:left;width:100%;padding:16px 12px;border:0;border-radius:8px;background:transparent;cursor:pointer;font:inherit}.academy-thread:hover,.academy-thread.selected{background:#edf3fa}.academy-thread strong,.academy-thread small{display:block;overflow-wrap:anywhere}.academy-thread small{color:#677382;margin-top:6px}.academy-unread{display:inline-block;border-radius:20px;background:#a24a58;color:white;padding:2px 7px;font-size:12px}.academy-chat{min-width:0;padding:20px;display:flex;flex-direction:column}#chat-heading{font-weight:600;padding-bottom:16px;border-bottom:1px solid #e4e8ee}#messages{height:360px;overflow:auto;padding:18px 0}.academy-message{max-width:80%;width:fit-content;background:#f1f3f6;border-radius:12px;padding:12px 16px;margin:0 0 14px;overflow-wrap:anywhere;white-space:pre-wrap}.academy-message.teacher{margin-left:auto;background:#eef2e5}.academy-message small{display:block;color:#6d777c;font-size:11px;margin-bottom:6px}#message-form label{display:block;margin-bottom:8px}#message-form .actions{margin-top:10px}#chat-status{color:#8e6448;min-height:20px}.academy-empty{padding:24px;color:#718092;line-height:1.8}.academy-form button:disabled{opacity:.6}.academy-main #password-panel{max-width:520px;margin-bottom:24px}@media(max-width:780px){.academy-topbar{align-items:flex-start;flex-direction:column;padding:20px}.academy-main{padding:16px}.teacher-management-grid,.academy-chat-grid{grid-template-columns:1fr}.academy-threads{max-height:240px}.academy-topbar .actions{flex-wrap:wrap}#messages{height:320px}.login-card{padding:26px}}
.academy-chat-grid{gap:0;border:1px solid #dce2e7;border-radius:12px;overflow:hidden;min-height:580px}.academy-chat-grid>.panel{border:0;border-radius:0}.academy-threads{background:#f7f8fa;border-right:1px solid #e1e5e9!important}.academy-thread{border-radius:6px;padding:18px 12px}.academy-thread.selected{background:#e4eee8}.academy-chat{padding:0;background:#ededed;min-height:0}.academy-chat #chat-heading{padding:18px 24px;background:#f7f7f7;border-bottom:1px solid #dedede;color:#333;flex-shrink:0}.academy-chat #messages{height:400px;padding:12px 24px;min-height:0;flex:1}.academy-message-time{text-align:center;color:#999;font-size:11px;margin:18px 0}.academy-chat .academy-message{display:flex;align-items:flex-start;gap:12px;max-width:100%;width:auto;border-radius:0;padding:0;margin:20px 0;background:none;white-space:normal}.academy-chat .academy-message.teacher{flex-direction:row-reverse;margin-left:0;background:none}.academy-chat-avatar{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:6px;background:#dce8df;color:#627369;object-fit:cover;font-size:17px;flex-shrink:0}.teacher .academy-chat-avatar{background:#e9e1d4;color:#8e7755}.academy-message-content{max-width:min(70%,520px);min-width:0}.academy-bubble{position:relative;background:#fff;padding:11px 14px;line-height:1.6;font-size:14px;border-radius:5px;white-space:pre-wrap;overflow-wrap:anywhere;color:#222}.academy-bubble:before{content:'';position:absolute;width:10px;height:10px;left:-5px;top:15px;background:inherit;transform:rotate(45deg)}.teacher .academy-bubble{background:#95ec69}.teacher .academy-bubble:before{left:auto;right:-5px}.academy-image-button{padding:0;background:transparent;min-height:0;border:0;display:block}.academy-image-button img{display:block;max-width:100%;width:220px;max-height:280px;object-fit:contain;border-radius:6px}.academy-message-content video{display:block;width:280px;max-width:100%;max-height:250px;border-radius:6px;background:#222}.academy-chat #message-form{background:#fafafa;border-top:1px solid #ddd;padding:10px 18px 14px;flex-shrink:0}.academy-chat #message-text{resize:none;border:0;background:transparent;outline:none;padding:12px 3px;min-height:65px;max-height:130px}.academy-chat #message-text:focus{box-shadow:none}.academy-chat #message-form .actions{justify-content:space-between;margin-top:4px}.academy-chat #message-send{background:#07b95c;border-color:#07b95c;min-width:84px}.academy-chat #message-send:disabled{background:#e2e5e3;border-color:#e2e5e3;color:#9ba59e}.academy-chat #chat-status{margin:0;padding:0 18px;font-size:12px;line-height:1.8;min-height:0;background:#fafafa}.academy-chat #chat-status:not(:empty){padding-top:8px;padding-bottom:8px}.academy-attach-toolbar{display:flex;align-items:center;gap:10px}.academy-attach-toolbar>span{margin-left:auto;font-size:11px;color:#999}.academy-attach-toolbar button{color:#66766d}#attachment{display:flex;align-items:center;gap:12px;padding:8px;background:#f0f4f0;font-size:12px;border-radius:6px}#attachment img,#attachment video{width:86px;height:64px;object-fit:contain}#attachment span{flex:1;overflow-wrap:anywhere;min-width:0}.academy-sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}#chat-latest{align-self:flex-end;margin:0 20px 8px;color:#0a9d53}#chat-history{align-self:center;margin:8px;background:none;border:0}#media-preview{border:0;border-radius:10px;padding:35px 16px 16px;max-width:92vw;max-height:92vh;background:#f8f8f8}#media-preview::backdrop{background:#000b}#media-preview img{display:block;max-width:85vw;max-height:80vh;object-fit:contain}#media-close{position:absolute;right:8px;top:3px;background:none;border:0;font-size:26px;cursor:pointer}.academy-teacher{height:100dvh;display:flex;flex-direction:column;overflow:hidden}.academy-teacher .academy-topbar{padding:14px 28px;flex-shrink:0}.academy-teacher .academy-topbar h1{font-size:21px;margin:3px 0 0}.academy-teacher .academy-main{width:100%;max-width:1600px;min-height:0;flex:1;display:flex;flex-direction:column;padding:18px 28px}.academy-teacher .academy-inbox{min-height:0;flex:1;display:flex;flex-direction:column;margin:0}.academy-teacher .academy-chat-grid{flex:1;min-height:0}.academy-teacher .academy-threads{max-height:none}.academy-teacher #messages{height:0}.academy-teacher #password-panel{max-height:55vh;overflow:auto;flex-shrink:0}@media(max-width:780px){.academy-chat-grid{min-height:550px}.academy-teacher .academy-main{padding:10px}.academy-teacher .academy-topbar{padding:12px 16px}.academy-teacher .academy-topbar .actions{gap:9px}.academy-teacher .academy-inbox .page-heading{display:none}.academy-teacher .academy-chat-grid{grid-template-columns:minmax(0,1fr);grid-template-rows:90px minmax(0,1fr)}.academy-teacher .academy-threads{display:flex;gap:6px;overflow:auto;border-bottom:1px solid #ddd}.academy-teacher .academy-thread{width:180px;flex-shrink:0;padding:10px}.academy-chat #messages{padding:8px 12px}.academy-chat #chat-heading{padding:12px 16px;font-size:13px}.academy-message-content{max-width:calc(100% - 100px)}.academy-chat #message-form{padding:8px 12px}.academy-attach-toolbar{gap:4px}.academy-attach-toolbar>span{font-size:10px}.academy-chat #message-form .subtext{font-size:10px;max-width:65%}}
.academy-chat .academy-attach-toolbar{flex-wrap:wrap;gap:6px}.academy-attach-toolbar>span{flex-basis:100%;margin:0 0 4px 0}.academy-voice-bubble>span{display:block;font-size:12px;margin-bottom:5px}.academy-voice-bubble audio{display:block;width:230px;max-width:100%;height:36px}#attachment{flex-wrap:wrap}#attachment audio{width:220px;max-width:100%;height:36px}#emoji-panel{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));max-width:350px;gap:3px;padding:8px 0}#emoji-panel button{border:0;background:transparent;font-size:25px;min-height:38px;padding:2px;cursor:pointer;border-radius:6px}#emoji-panel button:hover{background:#e3e9e4}#voice-panel{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:12px;background:#edf5ee;border-radius:6px;margin-bottom:8px}#voice-status{flex:1;min-width:160px;font-size:13px;color:#3b7150}@media(max-width:780px){.academy-voice-bubble audio{width:200px}.academy-attach-toolbar .button{padding:6px 8px}.academy-chat #message-text{min-height:50px}}
.academy-chat #voice-panel{display:flex;align-items:center;justify-content:flex-end;gap:9px;padding:0;margin:18px 0 8px auto;width:292px;max-width:100%;background:none;border-radius:0}
.staff-login .login-card{min-height:0;align-self:center}
.login-card #login-description{margin-bottom:20px}
.teacher-management-grid:has(>#teacher-editor[hidden]){grid-template-columns:minmax(0,1fr)}
.teacher-management-grid:has(>#teacher-editor[hidden]) .teacher-list{grid-template-columns:repeat(auto-fit,minmax(min(350px,100%),1fr))}
#teacher-editor>h3{margin-bottom:20px}
#teacher-form>.actions{margin-bottom:20px}
#teacher-form>.subtext{margin:16px 0}
.academy-record-capsule{display:flex;align-items:center;min-width:0;flex:1;height:46px;padding:5px 7px;border-radius:28px;background:#ececef;gap:6px}
#voice-panel button{display:flex;align-items:center;justify-content:center;padding:0;border:0;cursor:pointer;box-shadow:none}
#voice-panel #voice-cancel{width:32px;height:32px;min-height:32px;flex:none;border-radius:50%;background:#e5e5e5;color:#555;font-size:26px;font-weight:300;line-height:1}
#voice-panel #voice-send{width:34px;height:34px;min-height:34px;flex:none;border-radius:50%;background:#07c160;color:#fff;font-size:27px;font-weight:400;line-height:1}
#voice-panel #voice-stop{height:36px;min-width:0;flex:1;background:transparent;gap:12px;color:#777;border-radius:20px}
#voice-panel #voice-status{flex:none;min-width:0;font-size:12px;color:#929292;font-variant-numeric:tabular-nums}
#voice-panel button:disabled{opacity:.4;cursor:default}
.academy-record-wave{display:flex;align-items:center;gap:3px;justify-content:center;height:26px}
.academy-record-wave i{display:block;width:4px;height:8px;border-radius:5px;background:#07c160;transition:height .12s}
.academy-record-wave i:nth-child(2),.academy-record-wave i:nth-child(6){height:14px}.academy-record-wave i:nth-child(3),.academy-record-wave i:nth-child(5){height:20px}.academy-record-wave i:nth-child(4){height:24px}
#voice-panel[data-state=ready] .academy-record-wave{opacity:.8}.voice-playing .academy-record-wave{animation:academy-voice-pulse .8s infinite}
.academy-chat #message-form.voice-composing{min-height:145px;display:flex;flex-direction:column}.voice-composing #voice-panel{margin-top:auto}.voice-composing #message-text,.voice-composing>.actions{display:none}
.academy-chat .academy-voice-message{display:flex;align-items:center;justify-content:space-between;gap:20px;max-width:100%;min-height:42px;border:0;cursor:pointer;text-align:left}
.teacher .academy-voice-message{flex-direction:row-reverse}.teacher .academy-voice-signal{transform:rotate(180deg)}
.academy-voice-signal{display:flex;align-items:center;gap:2px;width:20px;height:20px;flex:none;color:#333}
.academy-voice-signal i{display:block;width:4px;height:7px;border:solid currentColor;border-width:0 2px 0 0;border-radius:0 100% 100% 0}.academy-voice-signal i:nth-child(2){height:13px}.academy-voice-signal i:nth-child(3){height:20px}
.voice-playing .academy-voice-signal{animation:academy-voice-pulse .8s infinite}@keyframes academy-voice-pulse{50%{opacity:.25}}
@media(prefers-reduced-motion:reduce){.voice-playing .academy-voice-signal,.voice-playing .academy-record-wave{animation:none}}
.staff-login [hidden]{display:none!important}