.acadex-chat{--chat-bg:#121212;--chat-control:#2a2a2a;position:fixed;z-index:10000;right:24px;bottom:20px;color:#fff;font:13px/1.5 "Acadex Chat Noto","Helvetica Neue",Arial,sans-serif;letter-spacing:0;text-align:left;color-scheme:dark}
.acadex-chat *{box-sizing:border-box}
.acadex-chat [hidden]{display:none!important}
.acadex-chat button,.acadex-chat input,.acadex-chat textarea{font:inherit;letter-spacing:inherit}
.acadex-chat button{cursor:pointer;color:inherit}
.acadex-chat button:focus-visible,.acadex-chat input:focus-visible,.acadex-chat textarea:focus-visible{outline:2px solid #c3c3c3;outline-offset:3px}
.acadex-chat svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none}
.acadex-chat .chat-launcher{width:54px;height:54px;display:grid;place-items:center;padding:0;border:0;border-radius:50%;background:#2a2a2a;position:relative;box-shadow:0 4px 10px rgb(0 0 0 / 5%);outline:0 solid transparent;transition:background-color .1s linear,outline .15s ease-in-out,transform .15s ease-in-out}
.acadex-chat .chat-launcher:hover{background:#242424;outline:5px solid rgb(42 42 42 / 15%)}
.acadex-chat .chat-launcher:hover:active{outline-width:3px;transform:scale(.965)}
.acadex-chat .chat-launcher svg{width:28px;height:28px}
.acadex-chat .chat-launcher .chat-bubble-icon{visibility:hidden}
.acadex-chat .chat-launcher[aria-expanded="false"]:after{content:"";position:absolute;left:9px;top:14px;width:35px;height:30px;background:url("assets/chat-launcher.svg") center/contain no-repeat}
.acadex-chat .chat-panel{position:absolute;bottom:70px;right:0;width:360px;height:min(610px,calc(100dvh - 110px));min-height:300px;display:flex;flex-direction:column;overflow:hidden;background:var(--chat-bg);border-radius:16px;box-shadow:0 10px 2px #00000005,0 4px 20px #0000001f;transform-origin:bottom right;animation:chat-open .2s ease-out;transition:width .15s ease-in-out,height .15s ease-in-out}
.acadex-chat .chat-panel.expanded{width:min(500px,calc(100vw - 48px))}
@keyframes chat-open{from{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:none}}
.acadex-chat .chat-header{position:relative;flex:none;height:180px;text-align:center;padding:12px 12px 18px;background:linear-gradient(0deg,#121212,transparent 75%),url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='64'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='.055' stroke-width='3'%3E%3Crect x='2' y='-14' width='14' height='40' rx='7'/%3E%3Crect x='22' y='18' width='14' height='40' rx='7'/%3E%3Crect x='2' y='34' width='14' height='40' rx='7'/%3E%3Crect x='22' y='-30' width='14' height='40' rx='7'/%3E%3C/g%3E%3C/svg%3E"),#242424}
.acadex-chat .chat-header:after{content:'';position:absolute;bottom:0;left:16px;right:16px;height:1px;background:#ffffff12}
.acadex-chat .chat-tab{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:32px;padding:0 12px;border-radius:16px;background:#2a2a2a;box-shadow:inset 0 1px 2px #ffffff73,inset 0 -1px 2px #0004,0 0 0 5px #ffffff0a;font-size:11px;font-weight:700}
.acadex-chat .chat-tab svg{width:15px;height:15px;fill:currentColor;stroke:none}
.acadex-chat .chat-more{position:absolute;right:9px;top:12px;display:grid;place-items:center;width:28px;height:34px;padding:0;background:none;border:0;border-radius:5px;color:#bcbcbc}
.acadex-chat .chat-more:hover{background:#ffffff12}
.acadex-chat .chat-avatars{display:flex;justify-content:center;align-items:center;margin:22px 0 14px}
.acadex-chat .chat-avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:#43484c;border:2px solid #343434}
.acadex-chat .chat-avatar+.chat-avatar{margin-left:-5px;background:#76aaf3}
.acadex-chat .chat-avatar img{width:23px;height:27px;object-fit:contain}
.acadex-chat .chat-avatar svg{fill:#fff;stroke:none;width:24px;height:24px}
.acadex-chat .chat-header h2{margin:0;font:700 13px/18px "Acadex Chat Noto",sans-serif;letter-spacing:0;color:#fff}
.acadex-chat .chat-status{margin:4px 0 0;font-size:11px;line-height:16px;color:#ccc}
.acadex-chat .chat-menu{position:absolute;z-index:5;right:6px;top:6px;width:182px;padding:12px 8px 8px;border:1px solid #ffffff1a;border-radius:10px;background:#121212;box-shadow:0 8px 24px #0005}
.acadex-chat .chat-menu-title{display:block;padding:3px 10px 12px;font-size:11px;font-weight:700}
.acadex-chat .chat-menu button{display:flex;gap:9px;align-items:center;width:100%;padding:8px 10px;border:0;border-radius:5px;background:none;text-align:left;font-size:12px}
.acadex-chat .chat-menu button:hover{background:#ffffff12}
.acadex-chat .chat-menu svg{width:14px;height:14px}
.acadex-chat .chat-thread{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:16px 14px;scrollbar-width:thin;scrollbar-color:#555 transparent}
.acadex-chat .chat-message{display:flex;gap:8px;align-items:flex-start;margin-bottom:14px}
.acadex-chat .chat-message-avatar{display:grid;place-items:center;width:28px;height:28px;flex:none;background:#76aaf3;border-radius:50%;margin-top:2px}
.acadex-chat .chat-message-avatar svg{width:18px;height:18px;fill:#fff;stroke:none}
.acadex-chat .chat-message-text{max-width:calc(100% - 36px);padding:9px 13px;border-radius:13px;background:#2d2d2d;overflow-wrap:anywhere;white-space:pre-wrap;font-size:12px;line-height:18px}
.acadex-chat .chat-message.user{justify-content:flex-end;flex-wrap:wrap;gap:4px}
.acadex-chat .chat-message.user .chat-message-text{background:#343d47}
.acadex-chat .chat-message-note{flex-basis:100%;text-align:right;font-size:10px;color:#aaa}
.acadex-chat .chat-date{text-align:center;color:#ddd;font-size:10px;font-weight:600;margin:20px 0 12px}
.acadex-chat .chat-email-again{margin-left:36px;padding:7px 13px;border:1px solid #ffffff20;border-radius:12px;background:transparent;font-size:12px}
.acadex-chat .chat-bottom{flex:none;padding:0 9px 10px;position:relative}
.acadex-chat .chat-notice{border-radius:11px;background:#efebcc;color:#242424;padding:8px;text-align:center;font-size:11px;font-weight:600;margin-bottom:7px;line-height:17px}
.acadex-chat .chat-composer{background:#2b2b2b;border-radius:16px;padding:12px 13px 6px}
.acadex-chat textarea{display:block;width:100%;height:30px;max-height:95px;resize:none;border:0;background:transparent;color:#fff;line-height:18px;font-size:13px;padding:2px 0;outline:none}
.acadex-chat textarea::placeholder{color:#aaa}
.acadex-chat .chat-tools{display:flex;align-items:center;gap:9px;height:30px}
.acadex-chat .chat-tool{display:grid;place-items:center;width:20px;height:26px;border:0;padding:0;background:none;color:#ccc}
.acadex-chat .chat-tool:hover{color:white}
.acadex-chat .chat-send{margin-left:auto;width:32px}
.acadex-chat button:disabled,.acadex-chat textarea:disabled{opacity:.3;cursor:not-allowed}
.acadex-chat .chat-footer{margin:8px 0 0;text-align:center;font-size:10px;line-height:14px;color:#999}
.acadex-chat .chat-email-sheet{position:absolute;bottom:9px;left:9px;right:9px;z-index:4;border-radius:13px;background:#121212;padding:17px 14px 14px;box-shadow:0 -18px 45px #0002;text-align:center}
.acadex-chat .chat-email-sheet h3{font:700 14px/21px "Acadex Chat Noto",sans-serif;letter-spacing:0;margin:0 0 9px;color:#fff}
.acadex-chat .chat-email-sheet p{font:400 12px/18px "Acadex Chat Noto",sans-serif;margin:0 0 18px;color:#eee}
.acadex-chat .chat-email-sheet input{width:100%;height:47px;padding:13px 15px;border:1px solid #3a3a3a;border-radius:12px;background:#303030;color:#fff;font-size:12px;box-shadow:0 0 0 3px #ffffff04}
.acadex-chat .chat-email-submit{display:block;margin:18px auto 0;padding:10px 25px 11px;height:44px;border:1px solid #ffffff0d;border-radius:8px;background:#2a2a2a;font-size:13px;font-weight:700}
.acadex-chat .chat-email-sheet .chat-email-error{margin:8px 0 0;color:#ffc8c0;font-size:11px}
.acadex-chat .chat-emoji-picker{position:absolute;bottom:112px;left:10px;z-index:6;padding:12px;display:grid;grid-template-columns:repeat(6,1fr);gap:3px;border:1px solid #ffffff20;background:#242424;border-radius:12px;box-shadow:0 5px 20px #0005}
.acadex-chat .chat-emoji-picker button{border:0;background:none;font-size:21px;padding:6px;border-radius:6px}
.acadex-chat .chat-emoji-picker button:hover{background:#ffffff1a}
@media(max-width:540px){.acadex-chat{right:16px;bottom:max(16px,env(safe-area-inset-bottom))}.acadex-chat .chat-panel,.acadex-chat .chat-panel.expanded{right:0;width:calc(100vw - 32px);height:min(610px,calc(100dvh - 104px));bottom:70px}.acadex-chat .chat-header{height:165px}.acadex-chat .chat-avatars{margin-top:15px}}
@media(prefers-reduced-motion:reduce){.acadex-chat .chat-panel,.acadex-chat .chat-launcher{animation:none;transition:none}}

/* Panel measurements and glyphs audited against the live reference. */
@font-face{font-family:"Acadex Chat Noto";src:url("assets/chat/regular.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Acadex Chat Noto";src:url("assets/chat/bold.woff2") format("woff2");font-weight:700;font-display:swap}
.acadex-chat .chat-ref-icon{display:inline-block;flex:none;width:16px;height:16px;background:currentColor;mask:var(--chat-icon) center/contain no-repeat;-webkit-mask:var(--chat-icon) center/contain no-repeat}
.acadex-chat .chat-ref-bubble{--chat-icon:url("assets/chat/bubble.svg")}
.acadex-chat .chat-ref-emoji{--chat-icon:url("assets/chat/emoji.svg")}
.acadex-chat .chat-ref-file{--chat-icon:url("assets/chat/file.svg")}
.acadex-chat .chat-ref-mic{--chat-icon:url("assets/chat/mic.svg")}
.acadex-chat .chat-ref-send{--chat-icon:url("assets/chat/send.svg")}
.acadex-chat .chat-ref-more{--chat-icon:url("assets/chat/more.svg")}

.acadex-chat .chat-header{isolation:isolate;height:181px;padding:14px 8px 18px;background:linear-gradient(rgba(18,18,18,.1),rgba(18,18,18,.4) 99%);border-bottom:1px solid #ffffff08}
.acadex-chat .chat-header:before{content:"";position:absolute;inset:0;z-index:-1;opacity:.6;background:linear-gradient(transparent,#121212)}
.acadex-chat .chat-header:after{content:"";position:absolute;inset:0;width:auto;height:auto;z-index:-2;opacity:.05;background:url("assets/chat/cage.svg") repeat;background-size:40px auto}
.acadex-chat .chat-tab{height:32px;gap:8px;padding:0 12px;font-size:12px;line-height:32px;font-weight:700;box-shadow:inset 0 1px 2px #ffffff73,inset 0 -1px 2px #0004,0 0 0 4px #303030}
.acadex-chat .chat-tab .chat-ref-icon{width:17px;height:17px;margin-left:-2px}
.acadex-chat .chat-more{top:14px;right:8px;width:27px;height:34.5px;color:#d3dde6}
.acadex-chat .chat-more .chat-ref-icon{width:13px;height:13px}
.acadex-chat .chat-avatars{height:48px;margin:20px 0 11px}
.acadex-chat .chat-avatar{width:42px;height:42px;border:0;background:#303030;overflow:hidden}
.acadex-chat .chat-avatar img{display:block;width:22px;height:26px;object-fit:contain;object-position:center;margin:0;transform:none}
.acadex-chat .chat-avatar+.chat-avatar{margin-left:-3px;background:url("assets/chat/avatar.png") center/cover no-repeat}
.acadex-chat .chat-avatar+.chat-avatar .chat-ref-icon{display:none}
.acadex-chat .chat-status{font-size:11.6px;line-height:16px;margin-top:3px;color:#d3dde6}
.acadex-chat .chat-thread{padding:15px}
.acadex-chat .chat-message-avatar{width:28px;height:28px;margin-top:3px;background:url("assets/chat/avatar.png") center/cover no-repeat}
.acadex-chat .chat-message-avatar .chat-ref-icon{display:none}
.acadex-chat .chat-message-text{padding:8px 14px 9px;background:#303030;border-radius:12px;font-size:12.6px;line-height:18px}
.acadex-chat .chat-bottom{padding:0 10px 10px}
.acadex-chat .chat-composer{background:#303030;padding:14px 7px 6px 14px;border-radius:16px}
.acadex-chat textarea{height:26px;padding:0;font-size:13.6px;line-height:18px;box-shadow:none;border:0;border-radius:0}
.acadex-chat textarea:focus,.acadex-chat textarea:focus-visible{outline:none;box-shadow:none;border:0}
.acadex-chat textarea::placeholder{color:#a8a8a8;opacity:1}
.acadex-chat .chat-tools{height:36px;gap:10px;align-items:center}
.acadex-chat .chat-tool{width:16px;height:16px;border-radius:2px;color:#a8a8a8}
.acadex-chat .chat-tool:disabled{color:#474747;opacity:1}
.acadex-chat .chat-send{width:36px;height:36px;border-radius:13px}
.acadex-chat .chat-send .chat-ref-icon{width:17px;height:17px}
.acadex-chat .chat-send:hover:not(:disabled){background:#ffffff0d}
.acadex-chat .chat-email-sheet{left:8px;right:8px;bottom:8px;border-radius:12px;padding:18px 14px 14px;border:1px solid #ffffff0a}
.acadex-chat .chat-email-sheet h3{font-size:15.2px;line-height:18px;margin-bottom:12px}
.acadex-chat .chat-email-sheet p:not(.chat-footer):not(.chat-email-error){font-size:12.8px;line-height:17px;margin-bottom:18px}
.acadex-chat .chat-email-submit{font-size:13.2px;line-height:21px}
.acadex-chat .chat-email-sheet input:focus{outline:none;border-color:#555;box-shadow:0 0 0 3px #ffffff04}
.acadex-chat .chat-header:after{filter:invert(1)}
.acadex-chat .chat-avatar:first-child{box-shadow:inset 0 0 0 1px #ffffff0d}

/* Reference dark palette; send readiness follows actual non-whitespace input. */
.acadex-chat .chat-panel,.acadex-chat .chat-thread,.acadex-chat .chat-bottom,.acadex-chat .chat-email-sheet{background-color:rgb(18,18,18);color:#fff}
.acadex-chat .chat-tab{background-color:rgb(42,42,42);color:#fff}
.acadex-chat .chat-tab .chat-ref-icon{color:#fff;opacity:1}
.acadex-chat .chat-composer{background-color:rgb(48,48,48);border:1.5px solid rgb(71 71 71 / 50%);box-shadow:0 2px 3px rgb(0 0 0 / 2%)}
.acadex-chat textarea{color:#fff;opacity:1}
.acadex-chat textarea::placeholder{color:rgb(211,221,230);opacity:1}
.acadex-chat .chat-tool{color:rgb(211,221,230);transition:color 50ms linear;opacity:1}
.acadex-chat .chat-tool:hover:not(:disabled){color:rgb(240,242,245)}
.acadex-chat .chat-tool:disabled{color:rgb(71,71,71);opacity:1}
.acadex-chat .chat-send{color:#fff;transition:background-color 50ms linear}
.acadex-chat .chat-send:disabled{color:rgb(102,120,138);opacity:1}
.acadex-chat .chat-send:disabled .chat-ref-icon{opacity:.4}
.acadex-chat .chat-send:not(:disabled) .chat-ref-icon{opacity:1}