:root{--sa-chat-primary:#4f46e5;--sa-chat-secondary:#4f46e5;--sa-chat-window-width:380px;--sa-chat-window-height:520px;--sa-chat-launcher-size:56px;--sa-chat-font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;--sa-chat-side:right;--sa-chat-side-opposite:left;--sa-chat-radius:16px;--sa-chat-radius-sm:8px;--sa-chat-radius-lg:20px;--sa-chat-shadow:0 8px 32px rgba(0, 0, 0, 0.18), 0 2px 8px rgba(0, 0, 0, 0.10);--sa-chat-shadow-launcher:0 4px 16px rgba(0, 0, 0, 0.22);--sa-chat-bg:#ffffff;--sa-chat-bg-messages:#f7f8fa;--sa-chat-bot-bubble:#f0f1f3;--sa-chat-bot-text:#1a1a2e;--sa-chat-user-text:#ffffff;--sa-chat-input-border:#e1e4e8;--sa-chat-input-focus:var(--sa-chat-primary);--sa-chat-header-text:#ffffff;--sa-chat-timestamp:#9ca3af;--sa-chat-transition:220ms ease;--sa-chat-z:2147483000}@media (prefers-color-scheme:dark){:root{--sa-chat-bg:#1e1e2e;--sa-chat-bg-messages:#16161e;--sa-chat-bot-bubble:#2a2a3e;--sa-chat-bot-text:#e2e8f0;--sa-chat-input-border:#3a3a4e;--sa-chat-timestamp:#6b7280;--sa-chat-shadow:0 8px 32px rgba(0, 0, 0, 0.45), 0 2px 8px rgba(0, 0, 0, 0.30)}}.sa-chat-root{position:fixed;bottom:24px;z-index:var(--sa-chat-z);font-family:var(--sa-chat-font);font-size:14px;line-height:1.5;box-sizing:border-box}.sa-chat-root *,.sa-chat-root *::before,.sa-chat-root *::after{box-sizing:border-box}.sa-chat-position-bottom-right{right:24px}.sa-chat-position-bottom-left{left:24px}.sa-chat-launcher{width:var(--sa-chat-launcher-size);height:var(--sa-chat-launcher-size);border-radius:50%;background:var(--sa-chat-primary);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:var(--sa-chat-shadow-launcher);transition:transform var(--sa-chat-transition),box-shadow var(--sa-chat-transition);position:relative;outline:none;animation:sa-chat-launcher-bounce 0.6s cubic-bezier(.34,1.56,.64,1) 0.3s both}.sa-chat-launcher:hover{transform:scale(1.08);box-shadow:0 6px 24px rgb(0 0 0 / .28)}.sa-chat-launcher:focus-visible{outline:3px solid var(--sa-chat-primary);outline-offset:3px}.sa-chat-launcher:active{transform:scale(.96)}.sa-chat-launcher-icon{display:flex;align-items:center;justify-content:center;transition:opacity var(--sa-chat-transition),transform var(--sa-chat-transition)}.sa-chat-custom-emoji{font-size:calc(var(--sa-chat-launcher-size) * 0.42);line-height:1}.sa-chat-badge{position:absolute;top:-2px;right:-2px;min-width:20px;height:20px;border-radius:10px;background:#ef4444;color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 5px;border:2px solid #fff;line-height:1}@keyframes sa-chat-launcher-bounce{0%{opacity:0;transform:scale(.5) translateY(20px)}100%{opacity:1;transform:scale(1) translateY(0)}}.sa-chat-window{position:absolute;bottom:calc(var(--sa-chat-launcher-size) + 16px);width:var(--sa-chat-window-width);height:var(--sa-chat-window-height);background:var(--sa-chat-bg);border-radius:var(--sa-chat-radius);box-shadow:var(--sa-chat-shadow);display:flex;flex-direction:column;overflow:hidden;transform-origin:bottom center;transition:transform var(--sa-chat-transition),opacity var(--sa-chat-transition)}.sa-chat-position-bottom-right .sa-chat-window{right:0}.sa-chat-position-bottom-left .sa-chat-window{left:0}.sa-chat-window[aria-hidden="true"]{opacity:0;transform:scale(.92) translateY(12px);pointer-events:none}.sa-chat-window[aria-hidden="false"]{opacity:1;transform:scale(1) translateY(0);pointer-events:auto}.sa-chat-header{background:var(--sa-chat-primary);padding:14px 16px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0;border-radius:var(--sa-chat-radius) var(--sa-chat-radius) 0 0}.sa-chat-header-info{display:flex;align-items:center;gap:10px;min-width:0}.sa-chat-header-avatar{width:36px;height:36px;border-radius:50%;background:rgb(255 255 255 / .2);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;overflow:hidden}.sa-chat-header-avatar img{width:100%;height:100%;object-fit:cover}.sa-chat-header-text{min-width:0}.sa-chat-title{color:var(--sa-chat-header-text);font-weight:600;font-size:15px;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sa-chat-subtitle{color:rgb(255 255 255 / .82);font-size:12px;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sa-chat-header-actions{display:flex;align-items:center;gap:4px;flex-shrink:0}.sa-chat-header-btn{background:#fff0;border:none;color:rgb(255 255 255 / .85);cursor:pointer;width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;transition:background var(--sa-chat-transition),color var(--sa-chat-transition);padding:0;outline:none}.sa-chat-header-btn:hover{background:rgb(255 255 255 / .15);color:#fff}.sa-chat-header-btn:focus-visible{outline:2px solid rgb(255 255 255 / .8)}.sa-chat-messages{flex:1;overflow-y:auto;padding:16px 12px;display:flex;flex-direction:column;gap:12px;background:var(--sa-chat-bg-messages);scroll-behavior:smooth}.sa-chat-messages::-webkit-scrollbar{width:4px}.sa-chat-messages::-webkit-scrollbar-track{background:#fff0}.sa-chat-messages::-webkit-scrollbar-thumb{background:rgb(0 0 0 / .15);border-radius:4px}.sa-chat-messages::-webkit-scrollbar-thumb:hover{background:rgb(0 0 0 / .25)}.sa-chat-msg-row{display:flex;align-items:flex-end;gap:8px;animation:sa-chat-msg-in 0.2s ease both}@keyframes sa-chat-msg-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.sa-chat-msg-row--bot{flex-direction:row}.sa-chat-msg-row--user{flex-direction:row-reverse}.sa-chat-msg-avatar{width:28px;height:28px;border-radius:50%;flex-shrink:0;overflow:hidden;background:var(--sa-chat-primary);display:flex;align-items:center;justify-content:center;color:#fff}.sa-chat-msg-avatar img{width:100%;height:100%;object-fit:cover}.sa-chat-avatar-default{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.sa-chat-msg-group{display:flex;flex-direction:column;gap:2px;max-width:calc(100% - 40px)}.sa-chat-msg-row--user .sa-chat-msg-group{align-items:flex-end}.sa-chat-bubble{padding:9px 13px;border-radius:var(--sa-chat-radius-lg);font-size:14px;line-height:1.55;word-break:break-word;position:relative}.sa-chat-msg-row--bot .sa-chat-bubble{background:var(--sa-chat-bot-bubble);color:var(--sa-chat-bot-text);border-bottom-left-radius:var(--sa-chat-radius-sm)}.sa-chat-msg-row--user .sa-chat-bubble{background:var(--sa-chat-secondary);color:var(--sa-chat-user-text);border-bottom-right-radius:var(--sa-chat-radius-sm)}.sa-chat-bubble strong{font-weight:700}.sa-chat-bubble em{font-style:italic}.sa-chat-bubble ul,.sa-chat-bubble ol{margin:4px 0 0 0;padding-left:18px}.sa-chat-bubble li{margin-bottom:2px}.sa-chat-bubble a{color:inherit;text-decoration:underline}.sa-chat-msg-time{font-size:11px;color:var(--sa-chat-timestamp);margin:0 4px}.sa-chat-typing-wrap{display:flex;align-items:flex-end;gap:8px;padding:8px 12px;flex-shrink:0;background:var(--sa-chat-bg-messages)}.sa-chat-typing-bubble{background:var(--sa-chat-bot-bubble);padding:10px 14px;border-radius:var(--sa-chat-radius-lg);border-bottom-left-radius:var(--sa-chat-radius-sm);display:flex;align-items:center;gap:4px}.sa-chat-typing-dot{width:7px;height:7px;border-radius:50%;background:var(--sa-chat-primary);opacity:.7;animation:sa-chat-bounce 1.2s infinite ease-in-out}.sa-chat-typing-dot:nth-child(1){animation-delay:0s}.sa-chat-typing-dot:nth-child(2){animation-delay:0.2s}.sa-chat-typing-dot:nth-child(3){animation-delay:0.4s}@keyframes sa-chat-bounce{0%,80%,100%{transform:translateY(0);opacity:.5}40%{transform:translateY(-6px);opacity:1}}.sa-chat-input-area{display:flex;align-items:flex-end;gap:8px;padding:10px 12px;background:var(--sa-chat-bg);border-top:1px solid var(--sa-chat-input-border);flex-shrink:0}.sa-chat-input-wrap{flex:1;position:relative;display:flex;flex-direction:column}.sa-chat-input{width:100%;min-height:38px;max-height:110px;padding:9px 12px;padding-right:52px;border:1.5px solid var(--sa-chat-input-border);border-radius:20px;font-family:var(--sa-chat-font);font-size:14px;line-height:1.45;resize:none;background:var(--sa-chat-bg);color:var(--sa-chat-bot-text);transition:border-color var(--sa-chat-transition),box-shadow var(--sa-chat-transition);outline:none;overflow-y:auto;scrollbar-width:thin}.sa-chat-input:focus{border-color:var(--sa-chat-input-focus);box-shadow:0 0 0 3px rgb(79 70 229 / .12)}.sa-chat-input::placeholder{color:var(--sa-chat-timestamp)}.sa-chat-char-counter{font-size:11px;color:var(--sa-chat-timestamp);text-align:right;padding:2px 14px 0;transition:color var(--sa-chat-transition)}.sa-chat-char-counter.sa-chat-char-warning{color:#f59e0b}.sa-chat-char-counter.sa-chat-char-danger{color:#ef4444;font-weight:600}.sa-chat-send-btn{width:38px;height:38px;border-radius:50%;background:var(--sa-chat-primary);border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background var(--sa-chat-transition),transform var(--sa-chat-transition),opacity var(--sa-chat-transition);outline:none}.sa-chat-send-btn:hover:not(:disabled){background:color-mix(in srgb,var(--sa-chat-primary) 85%,#000);transform:scale(1.06)}.sa-chat-send-btn:focus-visible{outline:3px solid var(--sa-chat-primary);outline-offset:2px}.sa-chat-send-btn:disabled{opacity:.4;cursor:not-allowed}.sa-chat-msg-row--system .sa-chat-bubble{background:#fef2f2;color:#b91c1c;font-size:13px;border-radius:var(--sa-chat-radius-sm);max-width:100%;border:1px solid #fecaca}@media (prefers-color-scheme:dark){.sa-chat-msg-row--system .sa-chat-bubble{background:#2d1515;color:#fca5a5;border-color:#7f1d1d}}.sa-chat-retry-row{display:flex;justify-content:flex-start;padding:0 12px 4px 12px;animation:sa-chat-msg-in 0.18s ease both}.sa-chat-retry-btn{display:inline-flex;align-items:center;gap:5px;padding:5px 12px;border:1.5px solid var(--sa-chat-primary);border-radius:20px;background:#fff0;color:var(--sa-chat-primary);font-family:var(--sa-chat-font);font-size:12px;font-weight:600;cursor:pointer;transition:background var(--sa-chat-transition),color var(--sa-chat-transition),transform var(--sa-chat-transition);outline:none;line-height:1}.sa-chat-retry-btn:hover{background:var(--sa-chat-primary);color:#fff}.sa-chat-retry-btn:focus-visible{outline:2px solid var(--sa-chat-primary);outline-offset:2px}.sa-chat-retry-btn:active{transform:scale(.95)}.sa-chat-retry-btn svg{flex-shrink:0}.sa-chat-hidden{display:none!important}@media (max-width:479px){.sa-chat-root{bottom:16px;right:16px!important;left:auto!important}.sa-chat-window{position:fixed;bottom:0!important;right:0!important;left:0!important;top:0!important;width:100%!important;height:100%!important;border-radius:0!important}.sa-chat-header{border-radius:0!important;padding-top:max(14px, env(safe-area-inset-top))}}