*{margin:0;padding:0;box-sizing:border-box}:root{--line-green: #06C755;--line-green-dark: #05A54A;--bubble-green: #8DE041;--chat-bg: #8CABD8;--bg: #F5F6F8;--white: #FFFFFF;--text: #2B2F33;--text-soft: #6B7378;--border: #D8DCE0;--error: #D93025;--error-bg: #FDECEA;--success-bg: #E6F9EE;--dot: #B0B0B0;--ring: 0 0 0 3px rgba(6, 199, 85, .15)}button{font-family:inherit}@keyframes fade-in{0%{opacity:0}}@keyframes bubble-in{0%{opacity:0;transform:translateY(8px)}}@keyframes panel-in{0%{opacity:0;transform:translateY(18px) scale(.98)}}.modal-overlay{position:fixed;inset:0;display:flex;justify-content:center;align-items:center;background:#141e2873;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);animation:fade-in .18s ease-out;z-index:10}.auth-card{background:var(--white);padding:32px 26px;border-radius:16px;width:90%;max-width:380px;display:flex;flex-direction:column;gap:16px;box-shadow:0 12px 40px #00000038;animation:panel-in .22s ease-out}.auth-card h2{text-align:center;font-size:1.2rem;color:var(--text)}.auth-card input{padding:10px 14px;border:1px solid var(--border);border-radius:10px;font-size:1rem;outline:none;transition:border-color .15s,box-shadow .15s}.auth-card input:focus{border-color:var(--line-green);box-shadow:var(--ring)}.auth-card button{padding:11px;border:none;border-radius:10px;background:var(--line-green);color:var(--white);font-size:1rem;font-weight:600;cursor:pointer;transition:background .15s,transform .1s}.auth-card button:hover{background:var(--line-green-dark)}.auth-card button:active{transform:scale(.98)}.auth-card button:disabled{background:#ccc;cursor:not-allowed;transform:none}.error{color:var(--error);text-align:center;font-size:.85rem}.chat-container{display:flex;flex-direction:column;height:100dvh;max-width:600px;margin:0 auto;background:var(--chat-bg);box-shadow:0 0 28px #0000002e}.chat-header{background:var(--line-green);color:var(--white);padding:12px 16px;font-weight:700;font-size:1.2rem;text-align:center;flex-shrink:0;position:relative;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 6px #0000002e;z-index:1}.settings-btn{position:absolute;right:10px;top:50%;transform:translateY(-50%);width:36px;height:36px;border:none;border-radius:50%;background:transparent;cursor:pointer;display:flex;justify-content:center;align-items:center;transition:background .15s}.settings-btn:hover{background:#fff3}.message-area{flex:1;overflow-y:auto;padding:16px 14px;display:flex;flex-direction:column}.bubble{position:relative;max-width:75%;padding:9px 14px;border-radius:18px;margin-bottom:12px;white-space:pre-wrap;word-break:break-word;line-height:1.5;font-size:1rem;box-shadow:0 1px 2px #0000001f;animation:bubble-in .2s ease-out}.bubble.user{background:var(--bubble-green);color:var(--text);align-self:flex-end;border-top-right-radius:6px}.bubble.user:before{content:"";position:absolute;top:6px;right:-6px;border:7px solid transparent;border-left-color:var(--bubble-green);border-right:0;border-top:0}.bubble.assistant{background:var(--white);color:var(--text);align-self:flex-start;border-top-left-radius:6px}.bubble.assistant:before{content:"";position:absolute;top:6px;left:-6px;border:7px solid transparent;border-right-color:var(--white);border-left:0;border-top:0}.bubble img{max-width:220px;max-height:220px;border-radius:12px;display:block;margin:4px 0}.chat-error{align-self:center;display:flex;align-items:center;gap:12px;max-width:90%;background:var(--error-bg);color:var(--error);border:1px solid rgba(217,48,37,.25);padding:8px 14px;border-radius:12px;font-size:.85rem;margin-bottom:12px;animation:bubble-in .2s ease-out}.chat-error button{flex-shrink:0;border:none;border-radius:8px;background:var(--error);color:var(--white);padding:5px 12px;font-size:.85rem;font-weight:600;cursor:pointer;transition:opacity .15s}.chat-error button:hover{opacity:.85}.typing-dots{display:flex;gap:4px;padding:4px 0}.typing-dots span{width:8px;height:8px;background:var(--dot);border-radius:50%;animation:bounce 1.3s infinite ease-in-out}.typing-dots span:nth-child(1){animation-delay:-.32s}.typing-dots span:nth-child(2){animation-delay:-.16s}.typing-dots span:nth-child(3){animation-delay:0s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.input-area{display:flex;align-items:flex-end;padding:10px;background:var(--white);border-top:1px solid var(--border);flex-shrink:0;flex-wrap:wrap}.image-preview{display:flex;gap:8px;padding:6px 4px 10px;width:100%;overflow-x:auto}.image-preview-item{position:relative;flex-shrink:0}.image-preview img{width:60px;height:60px;object-fit:cover;border-radius:10px;border:1px solid var(--border)}.image-preview .remove-btn{position:absolute;top:-6px;right:-6px;width:20px;height:20px;border:none;border-radius:50%;background:#0000008c;color:var(--white);font-size:14px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0}.attach-btn{width:38px;height:38px;border:none;border-radius:50%;background:transparent;cursor:pointer;display:flex;justify-content:center;align-items:center;flex-shrink:0;margin-right:4px;transition:background .15s}.attach-btn:hover{background:var(--bg)}.input-area textarea{flex:1;border:1px solid var(--border);border-radius:19px;padding:8px 14px;font-size:1rem;line-height:1.4;resize:none;overflow-y:hidden;max-height:120px;margin-right:10px;outline:none;font-family:inherit;transition:border-color .15s,box-shadow .15s}.input-area textarea:focus{border-color:var(--line-green);box-shadow:var(--ring)}.send-btn{width:38px;height:38px;border:none;border-radius:50%;background:var(--line-green);cursor:pointer;display:flex;justify-content:center;align-items:center;flex-shrink:0;transition:background .15s,transform .1s}.send-btn:hover{background:var(--line-green-dark)}.send-btn:active{transform:scale(.92)}.send-btn:disabled{background:#ccc;cursor:not-allowed;transform:none}.settings-panel{background:var(--white);border-radius:16px;width:90%;max-width:460px;max-height:85dvh;display:flex;flex-direction:column;box-shadow:0 12px 40px #00000038;overflow:hidden;animation:panel-in .22s ease-out}.settings-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border);flex-shrink:0}.settings-header h2{font-size:1.2rem;color:var(--text)}.settings-close-btn{width:32px;height:32px;border:none;border-radius:50%;background:transparent;font-size:20px;color:#999;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,color .15s}.settings-close-btn:hover{background:var(--bg);color:var(--text)}.settings-body{padding:16px 20px;display:flex;flex-direction:column;gap:16px;overflow-y:auto;flex:1}.settings-group{display:flex;flex-direction:column;gap:12px}.settings-group+.settings-group{border-top:1px solid #EEF0F2;padding-top:14px}.settings-field{display:flex;flex-direction:column;gap:5px}.settings-field label{font-size:.85rem;font-weight:600;color:#555}.settings-field label.required:after{content:" *";color:var(--error)}.settings-field input,.settings-field textarea,.settings-field select{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:10px;font-size:1rem;outline:none;font-family:inherit;background:var(--white);color:var(--text);transition:border-color .15s,box-shadow .15s}.settings-field input:focus,.settings-field textarea:focus,.settings-field select:focus{border-color:var(--line-green);box-shadow:var(--ring)}.settings-field textarea{resize:vertical;min-height:60px}.settings-field-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.settings-message{padding:9px 12px;border-radius:10px;font-size:.85rem;text-align:center;animation:bubble-in .2s ease-out}.settings-message.success{background:var(--success-bg);color:#067a48}.settings-message.error{background:var(--error-bg);color:var(--error)}.settings-footer{display:flex;flex-direction:column;gap:10px;padding:14px 20px;border-top:1px solid var(--border);background:var(--white);flex-shrink:0}.settings-actions{display:flex;gap:10px}.settings-cancel-btn{flex:1;padding:11px;border:1px solid var(--border);border-radius:10px;background:var(--white);color:var(--text);font-size:1rem;font-weight:600;cursor:pointer;transition:background .15s}.settings-cancel-btn:hover{background:var(--bg)}.settings-save-btn{flex:1;padding:11px;border:none;border-radius:10px;background:var(--line-green);color:var(--white);font-size:1rem;font-weight:600;cursor:pointer;transition:background .15s,transform .1s}.settings-save-btn:hover{background:var(--line-green-dark)}.settings-save-btn:active{transform:scale(.98)}.settings-save-btn:disabled{background:#ccc;cursor:not-allowed;transform:none}@media(max-width:480px){.bubble{max-width:82%}.chat-header{padding:10px 12px}.input-area{padding:8px}.chat-container{box-shadow:none}.settings-panel{align-self:flex-end;width:100%;max-width:none;max-height:92dvh;border-radius:16px 16px 0 0}}