:root{--sa-chat-blue:#3065b8;--sa-chat-dark:#1c2122;--sa-chat-yellow:#fcb700;--sa-chat-light:#f3f4f7}
.sa-chat-launcher{position:fixed;left:24px;bottom:24px;z-index:1050;border:0;border-radius:50%;width:58px;height:58px;background:var(--sa-chat-yellow);color:var(--sa-chat-dark);box-shadow:0 8px 24px #1c212240;font-size:24px;cursor:pointer}
.sa-chat-panel{position:fixed;left:24px;bottom:94px;z-index:1050;display:flex;flex-direction:column;width:min(540px,calc(100vw - 32px));height:min(750px,calc(100vh - 120px));overflow:hidden;border-radius:16px;background:#fff;box-shadow:0 16px 45px #1c212240;transform-origin:bottom left;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(16px) scale(.92);transition:opacity .22s ease,transform .22s cubic-bezier(.34,1.56,.64,1),visibility .22s}
.sa-chat-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0) scale(1)}
.sa-chat-launcher{transition:transform .18s ease}.sa-chat-launcher:active{transform:scale(.9)}.sa-chat-launcher[aria-expanded="true"]{transform:scale(1.08) rotate(15deg)}.sa-chat-header{display:flex;align-items:center;justify-content:space-between;padding:16px;color:#fff;background:var(--sa-chat-blue)}.sa-chat-header strong{display:block}.sa-chat-header small{opacity:.85}.sa-chat-close{border:0;background:transparent;color:#fff;font-size:22px;cursor:pointer}
.sa-chat-messages{flex:1;overflow-y:auto;padding:16px;background:var(--sa-chat-light)}.sa-chat-message{max-width:84%;margin:0 0 12px;padding:10px 13px;border-radius:14px;color:var(--sa-chat-dark);line-height:1.45;white-space:pre-wrap}.sa-chat-message.assistant{background:#fff;border-top-left-radius:4px}.sa-chat-message.user{margin-left:auto;background:#dce8fa;border-top-right-radius:4px}.sa-chat-time{display:block;margin-top:4px;opacity:.55;font-size:10px}.sa-chat-form{display:flex;gap:8px;padding:12px;border-top:1px solid #e5e7eb;background:#fff}.sa-chat-input{flex:1;min-width:0;resize:none;border:1px solid #d7dce5;border-radius:8px;padding:10px;font:inherit}.sa-chat-send{border:0;border-radius:8px;padding:0 16px;background:var(--sa-chat-blue);color:#fff;cursor:pointer}.sa-chat-typing{color:#667085;font-size:13px;font-style:italic}.sa-chat-message.is-streaming:after{content:"▋";display:inline-block;margin-left:2px;color:var(--sa-chat-blue);animation:sa-chat-cursor .8s steps(2,start) infinite}@keyframes sa-chat-cursor{50%{opacity:0}}
.sa-chat-schedule-form{display:flex;flex-direction:column;gap:8px;padding:12px 16px;border-top:1px solid #e5e7eb;background:#fff}.sa-chat-schedule-form.hidden{display:none}.sa-chat-schedule-title{margin:0 0 2px;font-weight:600;color:var(--sa-chat-dark);font-size:13px}.sa-chat-schedule-form input,.sa-chat-schedule-form textarea{border:1px solid #d7dce5;border-radius:8px;padding:8px 10px;font:inherit}.sa-chat-schedule-row{display:flex;gap:8px}.sa-chat-schedule-row input{flex:1;min-width:0}.sa-chat-schedule-error{color:#c0392b;font-size:12px;margin:0}.sa-chat-schedule-error.hidden{display:none}.sa-chat-schedule-actions{display:flex;gap:8px}.sa-chat-schedule-submit{flex:1;border:0;border-radius:8px;padding:8px 0;background:var(--sa-chat-blue);color:#fff;cursor:pointer}.sa-chat-schedule-cancel{border:1px solid #d7dce5;border-radius:8px;padding:8px 12px;background:#fff;color:var(--sa-chat-dark);cursor:pointer}
@media(max-width:576px){.sa-chat-launcher{left:16px;bottom:16px}.sa-chat-panel{inset:0;width:100%;height:100%;border-radius:0}}