/* AI·CLO APMaths compact modern chat */
.ai-chat-backdrop{position:fixed;inset:0;z-index:1600;background:rgba(15,31,82,.38);backdrop-filter:blur(5px);display:grid;place-items:center;padding:18px;overflow:hidden}.ai-chat-backdrop[hidden]{display:none}.ai-chat-panel{width:min(500px,100%);max-height:min(650px,calc(100vh - 36px));display:flex;flex-direction:column;background:#fff;border:1px solid #dbe7fb;border-radius:20px;box-shadow:0 26px 80px rgba(30,58,138,.24);overflow:hidden}.ai-chat-head{display:flex;align-items:center;gap:10px;padding:14px 16px;background:linear-gradient(135deg,#1e3a8a,#2563eb);color:#fff}.ai-chat-icon{width:36px;height:36px;display:grid;place-items:center;border-radius:12px;background:rgba(255,255,255,.16);font-size:18px;flex:none}.ai-chat-title{flex:1}.ai-chat-title small{display:block;color:#dbeafe;font-weight:850;letter-spacing:.12em;margin-bottom:1px;font-size:10px}.ai-chat-title h2{margin:0;color:#fff;font-size:19px}.ai-chat-close{appearance:none;border:0;background:rgba(255,255,255,.14);color:#fff;width:34px;height:34px;border-radius:50%;font-size:21px;cursor:pointer}.ai-chat-close:hover{background:rgba(255,255,255,.23)}.ai-chat-body{padding:12px 14px 14px;display:flex;flex-direction:column;min-height:0;background:linear-gradient(#fff,#f8fbff)}.ai-chat-intro{margin:0 0 7px;color:#5d6b80;line-height:1.4;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ai-chat-context{margin:0 0 8px;padding:6px 9px;border-radius:9px;background:#eff6ff;color:#1e3a8a;font-size:11px;font-weight:750;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ai-chat-messages{min-height:145px;max-height:300px;overflow:auto;display:grid;gap:8px;padding:2px 1px 9px}.ai-chat-message{max-width:88%;padding:9px 11px;border-radius:13px;font-size:13px;line-height:1.5;white-space:pre-wrap}.ai-chat-message.ai{justify-self:start;background:#eaf2ff;color:#1f376f;border-bottom-left-radius:5px}.ai-chat-message.user{justify-self:end;background:#1e3a8a;color:#fff;border-bottom-right-radius:5px}.ai-chat-message.pending{color:#64748b}.ai-chat-hints{display:flex;gap:6px;flex-wrap:nowrap;margin:2px 0 9px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}.ai-chat-hints::-webkit-scrollbar{display:none}.ai-chat-hint{appearance:none;border:1px solid #cdddf6;background:#fff;color:#1e3a8a;border-radius:999px;padding:6px 9px;font-size:11px;cursor:pointer;white-space:nowrap}.ai-chat-hint:hover{border-color:#93b4e9;color:#172554;background:#f8fbff}.ai-chat-form{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:end}.ai-chat-input{width:100%;min-height:40px;max-height:100px;resize:vertical;border:1px solid #cbd5e1;border-radius:11px;padding:9px 11px;font:13px/1.45 Inter,"Segoe UI",Arial,sans-serif;color:#172033;outline:none;background:#fff}.ai-chat-input:focus{border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.11)}.ai-chat-send{appearance:none;border:0;border-radius:11px;background:#1e3a8a;color:#fff;padding:10px 15px;font-weight:800;cursor:pointer;min-height:40px}.ai-chat-send:hover{background:#2563eb}.ai-chat-send:disabled{opacity:.55;cursor:wait}@media(max-width:600px){.ai-chat-backdrop{padding:0;align-items:end;place-items:end stretch}.ai-chat-panel{position:relative;width:100%;max-height:min(68dvh,560px);border-radius:20px 20px 0 0;border-bottom:0;transform:translateZ(0)}.ai-chat-head{padding:12px 14px}.ai-chat-body{padding:10px 12px calc(12px + env(safe-area-inset-bottom));min-height:0;overflow:hidden}.ai-chat-title h2{font-size:18px}.ai-chat-intro{font-size:11px}.ai-chat-messages{max-height:34dvh;min-height:120px}.ai-chat-form{grid-template-columns:minmax(0,1fr) auto;position:sticky;bottom:0;background:#f8fbff;z-index:2}.ai-chat-send{width:auto;padding-inline:14px;flex:none}.ai-chat-input{resize:none;font-size:16px!important;line-height:1.35!important;touch-action:manipulation}.ai-chat-hint{font-size:10.5px}}