.cis-chat{--cis-bg:#080a0d;--cis-panel:#15191f;--cis-line:#343b46;--cis-text:#f3f5f7;--cis-muted:#9da7b4;--cis-accent:#5da9ff;--cis-accent-strong:#467fb9;--cis-accent-soft:#1d3146;position:fixed;right:20px;bottom:20px;z-index:999999;font:14px/1.4 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--cis-text)}
.cis-chat[hidden],.cis-chat [hidden]{display:none!important}.cis-chat button,.cis-chat input,.cis-chat select,.cis-chat textarea{font:inherit}.cis-chat button{cursor:pointer}
.cis-chat__launcher{display:flex;align-items:center;gap:9px;border:1px solid #3c4047;border-radius:999px;background:var(--cis-bg);color:#fff;padding:10px 15px;box-shadow:0 12px 30px #0007;font-weight:650}
.cis-chat__launcher-mark{display:grid;place-items:center;box-sizing:border-box;width:30px;height:30px;overflow:hidden;border:1px solid #3e4652;border-radius:50%;background:#15191f;padding:2px;font-weight:800}.cis-chat__launcher-mark img,.cis-chat__lock img{display:block;width:100%;height:100%;object-fit:contain}.cis-chat__badge{min-width:20px;height:20px;border-radius:10px;padding:0 5px;background:#fff;color:#111;text-align:center;font-size:12px;line-height:20px}
.cis-chat__panel{position:absolute;right:0;bottom:58px;display:flex;flex-direction:column;width:min(390px,calc(100vw - 24px));height:min(650px,calc(100vh - 110px));overflow:hidden;border:1px solid var(--cis-line);border-radius:16px;background:var(--cis-panel);box-shadow:0 25px 60px #000a}
.cis-chat__header{display:flex;align-items:center;justify-content:space-between;padding:15px 16px;background:#0d0e10;border-bottom:1px solid var(--cis-line)}.cis-chat__header strong{display:block;letter-spacing:.07em}.cis-chat__presence{display:block;color:#7fc99a;font-size:12px}.cis-chat__header-actions{display:flex;align-items:center;gap:6px}.cis-chat__expand{border:1px solid #444a53;border-radius:7px;background:#1f2227;color:#fff;padding:5px 8px;font-size:11px}.cis-chat__close{border:0;background:transparent;color:#fff;font-size:28px;line-height:1}
.cis-chat__conversation{display:flex;flex:1;min-height:0;flex-direction:column}.cis-chat__auth-view,.cis-chat__start-view{display:flex;flex:1;flex-direction:column;align-items:stretch;justify-content:center;padding:30px;text-align:center}.cis-chat__auth-view h2,.cis-chat__start-view h2{margin:12px 0 6px;color:#fff;font-size:22px}.cis-chat__auth-view p,.cis-chat__start-view p{margin:0 0 18px;color:var(--cis-muted)}.cis-chat__lock{display:grid;place-items:center;box-sizing:border-box;align-self:center;width:58px;height:58px;border:1px solid #3e4652;border-radius:50%;background:#15191f;padding:4px;color:#fff;font-size:22px;font-weight:800}.cis-chat__auth-primary,.cis-chat__auth-secondary,.cis-chat__start-button{display:block;margin-top:9px;border:1px solid var(--cis-accent);border-radius:9px;padding:10px 14px;text-align:center;text-decoration:none;font-weight:700}.cis-chat__auth-primary,.cis-chat__start-button{background:var(--cis-accent-strong);color:#fff}.cis-chat__auth-secondary{background:#181a1e;color:#fff}.cis-chat__start-view label{margin-bottom:4px;color:var(--cis-muted);text-align:left;font-size:12px}.cis-chat__start-button{width:100%}
.cis-chat__context-row{padding:9px 12px;border-bottom:1px solid var(--cis-line)}.cis-chat__context-row span{display:block;color:var(--cis-muted);font-size:11px;text-transform:uppercase}.cis-chat__context-row strong{display:block;margin-top:2px;color:#fff;font-size:14px}.cis-chat select,.cis-chat input,.cis-chat textarea{box-sizing:border-box;width:100%;border:1px solid #3b4048;border-radius:8px;background:#101215;color:#fff;padding:8px}
.cis-chat__notice{min-height:0;padding:0 12px;color:#efb35f;font-size:12px}.cis-chat__notice:not(:empty){padding-top:8px;padding-bottom:8px;border-bottom:1px solid var(--cis-line)}
.cis-chat__load-earlier{align-self:center;margin:7px 0 0;border:1px solid #444a53;border-radius:999px;background:#202329;color:#d7dae0;padding:5px 11px;font-size:11px}
.cis-chat__messages{flex:1;overflow-y:auto;padding:14px 12px;background:linear-gradient(160deg,#181a1e,#121316)}.cis-chat__empty{color:var(--cis-muted);text-align:center;margin:40px 20px}.cis-chat__message{display:flex;flex-direction:column;align-items:flex-start;margin:0 0 12px}.cis-chat__message--student{align-items:flex-end}.cis-chat__bubble{max-width:82%;border:1px solid #343840;border-radius:13px 13px 13px 3px;background:#24272d;padding:9px 11px;white-space:pre-wrap;overflow-wrap:anywhere}.cis-chat__link{color:#8fc5ff;text-decoration:underline;text-underline-offset:2px}.cis-chat__link:focus-visible{outline:2px solid #fff;outline-offset:2px}.cis-chat__message--student .cis-chat__bubble{border-color:#355473;border-radius:13px 13px 3px 13px;background:var(--cis-accent-soft)}.cis-chat__message--assignment_feedback .cis-chat__bubble{border-left:3px solid #efb35f}.cis-chat__meta{margin-top:3px;color:#8f949c;font-size:10px}.cis-chat__files{display:flex;flex-wrap:wrap;gap:5px;margin-top:7px}.cis-chat__file{border:1px solid #555c67;border-radius:7px;background:#17191c;color:#fff;padding:5px 7px;font-size:11px}
.cis-chat__queued{padding:7px 11px;border-top:1px solid var(--cis-line);color:#c8ccd2;font-size:12px}.cis-chat__queued-item{display:flex;justify-content:space-between;gap:8px}.cis-chat__remove{border:0;background:transparent;color:#c9ced5}
.cis-chat__disclosure{margin:0;padding:6px 11px;border-top:1px solid var(--cis-line);background:#101113;color:var(--cis-muted);font-size:10px}.cis-chat__disclosure a{color:#8cc9ff}
.cis-chat__upload-panel{padding:12px;border-top:1px solid var(--cis-line);background:#202329;overflow-y:auto}.cis-chat__upload-panel label{display:block;margin:7px 0 3px;color:#d5d7da;font-size:12px}.cis-chat__privacy{color:var(--cis-muted);font-size:11px}.cis-chat__privacy a{color:#8cc9ff}.cis-chat__upload-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:10px}.cis-chat__upload-actions button{border:1px solid #4b5058;border-radius:7px;background:#15171a;color:#fff;padding:7px 11px}.cis-chat__upload-actions .cis-chat__upload{border-color:var(--cis-accent);background:var(--cis-accent-strong)}
.cis-chat__composer{display:grid;grid-template-columns:36px 1fr auto;align-items:end;gap:7px;padding:10px;border-top:1px solid var(--cis-line);background:#101113}.cis-chat__composer textarea{max-height:110px;resize:none}.cis-chat__attach{width:36px;height:36px;border:1px solid #444a53;border-radius:50%;background:#22252a;color:#fff;font-size:22px}.cis-chat__send{height:36px;border:0;border-radius:8px;background:var(--cis-accent-strong);color:#fff;padding:0 13px;font-weight:650}.cis-chat button:focus-visible,.cis-chat input:focus-visible,.cis-chat textarea:focus-visible,.cis-chat select:focus-visible{outline:2px solid #8cc9ff;outline-offset:2px}
@media(max-width:560px){.cis-chat{right:10px;bottom:10px}.cis-chat__panel{position:fixed;inset:0;width:100vw;height:100dvh;border:0;border-radius:0}.cis-chat__launcher{padding:10px 13px}.cis-chat__bubble{max-width:88%}}
@media(min-width:561px){.cis-chat--expanded .cis-chat__panel{position:fixed;inset:4vh 4vw;width:92vw;height:92vh;max-width:none;border-radius:18px}}
@media(prefers-reduced-motion:no-preference){.cis-chat__panel{animation:cis-chat-in .16s ease-out}@keyframes cis-chat-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}}

.cis-chat-contact{box-sizing:border-box;max-width:820px;margin:48px auto;padding:clamp(28px,5vw,58px);border:1px solid #343b46;border-radius:22px;background:linear-gradient(145deg,#15191f,#080a0d);box-shadow:0 24px 65px #0003;color:#f3f5f7;text-align:center}.cis-chat-contact__eyebrow{display:block;margin-bottom:10px;color:#8bc5ff;font-size:12px;font-weight:800;letter-spacing:.16em}.cis-chat-contact h1{margin:0 0 14px;color:#fff;font-size:clamp(32px,6vw,54px);line-height:1.05}.cis-chat-contact p{max-width:620px;margin:0 auto 22px;color:#c3c7cd;font-size:17px}.cis-chat-contact__primary{border:1px solid #5da9ff;border-radius:999px;background:#467fb9;color:#fff;padding:13px 24px;font:700 16px/1.2 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;cursor:pointer}.cis-chat-contact__auth{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:14px}.cis-chat-contact__auth a{border:1px solid #484e57;border-radius:999px;color:#fff;padding:10px 18px;text-decoration:none}.cis-chat-contact .cis-chat-contact__note{margin-top:18px;margin-bottom:0;color:#9298a2;font-size:13px}

.cis-chat .cis-chat__attach{box-sizing:border-box!important;display:grid!important;place-items:center!important;flex:0 0 36px!important;width:36px!important;min-width:36px!important;max-width:36px!important;height:36px!important;min-height:36px!important;margin:0!important;padding:0!important;border:1px solid #444a53!important;border-radius:50%!important;background:#22252a!important;box-shadow:none!important;color:#fff!important;font-size:22px!important;font-weight:400!important;line-height:1!important;appearance:none!important}.cis-chat .cis-chat__send{box-sizing:border-box!important;min-width:0!important;margin:0!important;border:0!important;background:var(--cis-accent-strong)!important;color:#fff!important;box-shadow:none!important;appearance:none!important}.cis-chat .cis-chat__expand{box-sizing:border-box!important;min-width:0!important;margin:0!important;border:1px solid #444a53!important;background:#1f2227!important;color:#fff!important;box-shadow:none!important;appearance:none!important}.cis-chat .cis-chat__close{box-sizing:border-box!important;display:grid!important;place-items:center!important;width:34px!important;min-width:34px!important;height:34px!important;min-height:34px!important;margin:0!important;padding:0!important;border:0!important;border-radius:50%!important;background:transparent!important;box-shadow:none!important;color:#fff!important;appearance:none!important}
.cis-chat__assignment-context{margin:7px 0 0;padding:8px;border:1px solid #385879;border-radius:7px;background:#15283a;color:#cfe6ff;font-size:11px}.cis-chat-inline-link{display:inline-flex;align-items:center;border:1px solid #5da9ff;border-radius:999px;background:#1d3146;color:#dceeff!important;padding:.18em .65em;text-decoration:none!important;font-weight:700}.cis-chat-assignment{box-sizing:border-box;margin:26px 0;padding:22px;border:1px solid #343b46;border-radius:15px;background:linear-gradient(145deg,#15191f,#0b0d10);color:#f3f5f7}.cis-chat-assignment__eyebrow{display:block;color:#8bc5ff;font-size:11px;font-weight:800;letter-spacing:.14em}.cis-chat-assignment h3{margin:6px 0 7px;color:#fff;font-size:22px}.cis-chat-assignment p{margin:0 0 15px;color:#bdc5cf}.cis-chat-assignment__button{box-sizing:border-box!important;min-width:0!important;margin:0!important;border:1px solid #5da9ff!important;border-radius:999px!important;background:#467fb9!important;box-shadow:none!important;color:#fff!important;padding:10px 18px!important;font-weight:750!important;appearance:none!important}
@media(max-width:560px){.cis-chat__header{position:relative;justify-content:flex-start;align-items:flex-start;gap:10px;min-height:64px;padding:14px 96px 14px 16px}.cis-chat__header-actions{flex:0 0 auto;margin:0}.cis-chat .cis-chat__expand{display:none!important}.cis-chat .cis-chat__close{border:1px solid #444a53!important;background:#1f2227!important;font-size:24px!important}.cis-chat__composer{grid-template-columns:36px minmax(0,1fr) auto}.cis-chat__composer textarea{min-width:0}}