.ivyn-chat-section{margin:30px 0 14px;padding:26px;border:1px solid #dfe8dc;border-radius:18px;background:radial-gradient(ellipse at 100% 0,#eaf2e7 0,transparent 30%),linear-gradient(145deg,#fff,#f7faf5);scroll-margin-top:84px;box-shadow:0 14px 34px #253c2c0b}
.ivyn-chat-heading{align-items:flex-start;margin-bottom:17px}
.ivyn-chat-heading h2{margin:0;color:#263a2c;font:800 clamp(21px,2.2vw,28px)/1.2 var(--display);letter-spacing:-.04em}
.ivyn-chat-heading p{margin:7px 0 0;color:#68796b;font-size:11px;line-height:1.6}
.ivyn-chat-mascot{display:grid;place-items:center;width:42px;height:42px;border:1px solid #d8e6d4;border-radius:13px;background:#e7f0e4;font-size:22px}
.ivyn-chat-card{overflow:hidden;border:1px solid #dfe8dc;border-radius:15px;background:#fff;box-shadow:0 7px 22px #253c2d08}
.ivyn-chat-topline{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 17px;border-bottom:1px solid #e6ede3}
.ivyn-chat-identity{display:flex;align-items:center;gap:10px}
.ivyn-chat-avatar,.ivyn-message-avatar{display:grid;place-items:center;flex:none;width:34px;height:34px;border-radius:11px;background:#e7f0e4;color:#397858;font-size:17px}
.ivyn-chat-identity>div{display:grid;gap:3px}
.ivyn-chat-identity strong{color:#263a2c;font:700 12px var(--display)}
.ivyn-chat-identity small{color:#617463;font-size:9px}
.ivyn-chat-local-note{color:#819083;font-size:9px}
.ivyn-chat-thread{display:flex;flex-direction:column;gap:13px;min-height:230px;max-height:430px;overflow-y:auto;padding:20px;background:#f7faf6;scroll-behavior:smooth}
.ivyn-chat-message{display:flex;align-items:flex-start;gap:9px;max-width:min(760px,92%)}
.ivyn-chat-copy{margin:0;min-width:0;overflow-wrap:anywhere;font:15px/1.75 system-ui,-apple-system,"Segoe UI",Arial,sans-serif;letter-spacing:0}
.ivyn-chat-message.assistant-message .ivyn-chat-copy,.ivyn-chat-message.assistant-message>p{padding:13px 16px;border:1px solid #e1e9de;border-radius:3px 12px 12px 12px;background:#fff;color:#34483a;font:15px/1.75 system-ui,-apple-system,"Segoe UI",Arial,sans-serif;letter-spacing:0}
.ivyn-chat-message.student-message{align-self:flex-end;padding:10px 14px;border:1px solid #397858;border-radius:12px 3px 12px 12px;background:#397858;color:#fff}
.ivyn-chat-message.student-message .ivyn-chat-copy{font-size:14px;line-height:1.6}
.ivyn-chat-copy p{margin:0 0 12px}.ivyn-chat-copy p:last-child{margin-bottom:0}
.ivyn-chat-copy .ivyn-response-heading{font-weight:700;color:#263a2c}
.ivyn-chat-copy .ivyn-response-list{display:flex;align-items:flex-start;gap:9px;margin:5px 0 9px;padding-left:2px}
.ivyn-chat-copy .ivyn-response-marker{flex:none;min-width:18px;color:#397858;font-weight:700}
.ivyn-chat-copy strong{font-weight:700}.ivyn-chat-copy em{font-style:italic}
.ivyn-chat-copy hr{height:1px;margin:9px 0;border:0;background:#e1e9de}
.drawer-message.drawer-rich-response{max-width:min(320px,100%);font:14px/1.7 system-ui,-apple-system,"Segoe UI",Arial,sans-serif}
.drawer-message.drawer-rich-response p{margin:0 0 10px}.drawer-message.drawer-rich-response p:last-child{margin-bottom:0}
.drawer-message.drawer-rich-response .ivyn-response-heading{font-weight:700;color:#263a2c}
.drawer-message.drawer-rich-response .ivyn-response-list{display:flex;gap:7px;margin:4px 0 8px}
.drawer-message.drawer-rich-response .ivyn-response-marker{flex:none;color:#397858;font-weight:700}
.drawer-message.drawer-rich-response hr{height:1px;margin:8px 0;border:0;background:#dfe8dc}
.ivyn-chat-message.pending .ivyn-chat-copy{color:#68796b;font-style:italic}
.ivyn-chat-message.error .ivyn-chat-copy{border-color:#f0d4cb;background:#fff2ee;color:#9f4c3d}
.ivyn-chat-suggestions{display:flex;flex-wrap:wrap;gap:8px;padding:0 17px 12px;background:#f7faf6}
.ivyn-chat-suggestions button{min-height:31px;padding:0 11px;border:1px solid #d9e6d6;border-radius:18px;background:#fff;color:#397858;font:600 9px var(--font);cursor:pointer;transition:background .18s,border-color .18s,transform .18s}
.ivyn-chat-suggestions button:hover{transform:translateY(-1px);background:#eaf2e7;border-color:#b8d0b5}
.ivyn-chat-form{display:flex;align-items:flex-end;gap:10px;margin:0 14px;padding:9px;border:1px solid #dfe8dc;border-radius:12px;background:#fff;box-shadow:0 4px 14px #263b2d08}
.ivyn-chat-form textarea{flex:1;min-width:0;min-height:42px;max-height:130px;resize:vertical;padding:10px 9px;border:0;border-radius:7px;background:transparent;color:#263a2c;font:11px/1.55 var(--font);outline:0}
.ivyn-chat-form textarea::placeholder{color:#829184}
.ivyn-chat-form button{display:flex;align-items:center;justify-content:center;gap:9px;min-height:38px;padding:0 14px;border:0;border-radius:9px;background:#397858;color:#fff;font:700 10px var(--font);cursor:pointer;transition:background .18s,transform .18s}
.ivyn-chat-form button:hover{transform:translateY(-1px);background:#2e664a}
.ivyn-chat-form button:disabled{opacity:.65;cursor:wait;transform:none}
.ivyn-chat-footnote{margin:9px 17px 13px;color:#819083;font-size:8px;line-height:1.5}
html[data-theme="dark"] .ivyn-chat-section{border-color:#354936;background:radial-gradient(ellipse at 100% 0,#263b29 0,transparent 30%),linear-gradient(145deg,#1e2b21,#19241c)}
html[data-theme="dark"] .ivyn-chat-heading h2{color:#e1ecdf}
html[data-theme="dark"] .ivyn-chat-heading p,html[data-theme="dark"] .ivyn-chat-identity small,html[data-theme="dark"] .ivyn-chat-footnote{color:#aab9aa}
html[data-theme="dark"] .ivyn-chat-mascot,html[data-theme="dark"] .ivyn-chat-avatar,html[data-theme="dark"] .ivyn-message-avatar{border-color:#405843;background:#2b3d2d;color:#cce8c6}
html[data-theme="dark"] .ivyn-chat-card{border-color:#394b3b;background:#202d23}
html[data-theme="dark"] .ivyn-chat-topline{border-color:#394b3b}
html[data-theme="dark"] .ivyn-chat-identity strong{color:#e1ecdf}
html[data-theme="dark"] .ivyn-chat-local-note{color:#a1b09f}
html[data-theme="dark"] .ivyn-chat-thread,html[data-theme="dark"] .ivyn-chat-suggestions{background:#19241c}
html[data-theme="dark"] .ivyn-chat-message.assistant-message .ivyn-chat-copy,html[data-theme="dark"] .ivyn-chat-message.assistant-message>p{border-color:#3a4b3d;background:#202d23;color:#e1ebe0}
html[data-theme="dark"] .ivyn-chat-copy .ivyn-response-heading{color:#edf4eb}
html[data-theme="dark"] .ivyn-chat-copy .ivyn-response-marker{color:#9fd0a9}
html[data-theme="dark"] .ivyn-chat-copy hr{background:#3a4b3d}
html[data-theme="dark"] .drawer-message.drawer-rich-response .ivyn-response-heading{color:#edf4eb}
html[data-theme="dark"] .drawer-message.drawer-rich-response .ivyn-response-marker{color:#9fd0a9}
html[data-theme="dark"] .drawer-message.drawer-rich-response hr{background:#3a4b3d}
html[data-theme="dark"] .ivyn-chat-message.student-message{border-color:#397858;background:#397858;color:#fff}
html[data-theme="dark"] .ivyn-chat-message.pending .ivyn-chat-copy{color:#b8c8b8}
html[data-theme="dark"] .ivyn-chat-message.error .ivyn-chat-copy{border-color:#593c35;background:#34231f;color:#efb9ad}
html[data-theme="dark"] .ivyn-chat-suggestions button{border-color:#405843;background:#202d23;color:#cce8c6}
html[data-theme="dark"] .ivyn-chat-suggestions button:hover{background:#2b3d2d;border-color:#557358}
html[data-theme="dark"] .ivyn-chat-form{border-color:#3b4d3d;background:#19241c}
html[data-theme="dark"] .ivyn-chat-form textarea{color:#e4eee2}
html[data-theme="dark"] .ivyn-chat-form textarea::placeholder{color:#a1b09f}
@media(max-width:700px){.ivyn-chat-section{padding:18px}.ivyn-chat-thread{min-height:220px;max-height:360px;padding:15px}.ivyn-chat-form{margin:0 10px}.ivyn-chat-topline{padding:12px}.ivyn-chat-suggestions{padding:0 12px 11px}.ivyn-chat-footnote{margin-left:12px;margin-right:12px}}
@media(max-width:480px){.ivyn-chat-section{padding:14px}.ivyn-chat-local-note{display:none}.ivyn-chat-form{align-items:stretch;flex-direction:column}.ivyn-chat-form button{align-self:flex-end}}
@media(prefers-reduced-motion:reduce){.ivyn-chat-form button,.ivyn-chat-suggestions button{transition:none}.ivyn-chat-form button:hover,.ivyn-chat-suggestions button:hover{transform:none}}