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1rem;background:var(--brand-50);color:var(--brand-700);border-radius:20px;font-size:.9rem}.pref-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:1rem}.pref-list li{display:flex;align-items:center;gap:1rem;padding:.5rem 0;border-bottom:1px solid var(--border)}.pref-list li:last-child{border-bottom:none}.pref-title{font-weight:500;color:var(--text-primary)}.pref-sub{color:var(--text-secondary);font-size:.9rem}.profile-actions{display:flex;justify-content:center;padding:1rem 0}.btn{padding:.75rem 1.5rem;border-radius:8px;font-weight:500;cursor:pointer;border:none;transition:all .2s ease}.btn-primary{background:var(--brand-600);color:#fff}.btn-primary:hover{background:var(--brand-600)}.loading-spinner{text-align:center;padding:2rem;color:var(--text-secondary)}.alert{padding:1rem;border-radius:8px;margin:1rem 0}.alert-error{background:var(--error-50);border:1px solid var(--error-200);color:var(--error-700)}.edit-profile-form{width:100%;max-width:600px;margin:0 auto}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-primary)}.form-control{width:100%;padding:.75rem;border:1px solid var(--border);border-radius:8px;font-size:1rem;transition:border-color .2s ease}.form-control:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-100)}textarea.form-control{resize:vertical;min-height:100px}.form-actions{display:flex;gap:1rem;justify-content:flex-end;margin-top:2rem}.btn-secondary{background:var(--surface-2);color:var(--text-primary)}.btn-secondary:hover{background:var(--surface-3)}.btn:disabled{opacity:.7;cursor:not-allowed}.mb-4{margin-bottom:1rem}.mt-4{margin-top:1rem}.mt-6{margin-top:2rem}:root{--chat-primary: #3b82f6;--chat-primary-light: #60a5fa;--chat-primary-dark: #2563eb;--chat-secondary: #f8fafc;--chat-accent: #e0f2fe;--chat-text: #1e293b;--chat-text-light: #64748b;--chat-border: #e2e8f0;--chat-shadow: rgba(0, 0, 0, .1);--chat-shadow-light: rgba(0, 0, 0, .05);--chat-ai-bg: #fff9d6;--chat-ai-border: #f5e7a1;--chat-ai-text: #4b4300;--chat-radius: 12px;--chat-radius-large: 18px;--chat-spacing: 1rem;--chat-spacing-small: .5rem;--chat-spacing-large: 1.5rem}.bubble--ai-color{background-color:var(--chat-ai-bg);border:1px solid var(--chat-ai-border);color:var(--chat-ai-text)}.chat-page{display:flex;flex-direction:column;height:100vh;background:var(--color-bg);position:relative;padding-bottom:180px}.chat-header{background:var(--color-bg);padding:var(--chat-spacing-large) var(--chat-spacing);border-bottom:1px solid var(--chat-border);box-shadow:0 2px 8px var(--chat-shadow-light);text-align:center;position:sticky;top:0;z-index:50}.chat-title{font-size:1.75rem;font-weight:700;color:var(--color-text);margin:0;background:linear-gradient(135deg,var(--chat-primary) 0%,var(--chat-primary-light) 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ease;display:flex;align-items:center;justify-content:center;width:40px;height:40px}.back-button:hover{background:var(--chat-accent);transform:translate(-2px)}.chat-single-title{font-size:1.5rem;font-weight:600;color:var(--color-text);margin:0;flex:1}.chat-rooms-container{flex:1;background-color:var(--color-bg);padding:var(--chat-spacing);overflow-y:auto}.chat-rooms-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:var(--chat-spacing-small)}.chat-room-item{margin:0}.chat-room-button{width:100%;padding:var(--chat-spacing);background:#fff;border:1px solid var(--chat-border);border-radius:var(--chat-radius);display:flex;align-items:center;gap:var(--chat-spacing);cursor:pointer;transition:all .3s ease;text-align:left;box-shadow:0 1px 3px var(--chat-shadow-light)}.chat-room-button:hover{background:var(--chat-accent);border-color:var(--chat-primary-light);transform:translateY(-2px);box-shadow:0 4px 12px var(--chat-shadow)}.chat-room-button:active{transform:translateY(0)}.room-avatar{width:48px;height:48px;max-width:48px;max-height:48px;border-radius:50%;overflow:hidden;flex-shrink:0;box-shadow:0 2px 8px var(--chat-shadow-light)}.room-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:.25rem}.room-name{font-weight:600;color:var(--chat-text);font-size:1.1rem}.room-last-message{font-size:.9rem;color:var(--chat-text-light);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.messages-container{flex:1;padding:var(--chat-spacing);overflow-y:auto;display:flex;background-color:var(--color-bg);flex-direction:column;gap:var(--chat-spacing-small);scroll-behavior:smooth;padding-bottom:80px}.bubble-container{display:flex;justify-content:flex-start;align-items:flex-end;margin-bottom:var(--chat-spacing-small);animation:fadeInUp .3s ease}.bubble-container--mine{justify-content:flex-end;margin-bottom:0}.ai-avatar{width:40px;height:40px;border-radius:50%;background:var(--chat-ai-bg);box-shadow:0 2px 8px #e6c20026;display:flex;align-items:center;justify-content:center;margin-right:10px;flex-shrink:0}.ai-avatar-image{width:28px;height:28px}.bubble{max-width:78%;padding:14px 16px;margin:6px 0;border-radius:var(--chat-radius);position:relative;word-wrap:break-word;line-height:1.4;box-shadow:0 2px 8px var(--chat-shadow-light);transition:all .2s ease}.bubble:hover{transform:translateY(-1px);box-shadow:0 4px 12px var(--chat-shadow)}.bubble--mine{background:linear-gradient(135deg,var(--chat-primary) 0%,var(--chat-primary-dark) 100%);color:#fff;border-radius:16px 16px 4px;align-self:flex-end}.bubble--peer{background:#fff;color:var(--chat-text);border:1px solid var(--chat-border);border-radius:16px 16px 16px 4px;align-self:flex-start}.bubble--ai{background:var(--chat-ai-bg);color:var(--chat-ai-text);border:1.5px solid var(--chat-ai-border);border-radius:16px;box-shadow:0 2px 12px #e6c20026;align-self:flex-start}.message-image{max-width:100%;border-radius:8px;display:block}.ai-suggestions{display:flex;flex-direction:column;gap:var(--chat-spacing-small);padding:0 var(--chat-spacing)}.suggestion-content{display:flex;align-items:flex-start;gap:.75rem}.suggestion-number{font-weight:600;color:var(--chat-primary);flex-shrink:0;font-size:1.1rem}.suggestion-text{flex:1;line-height:1.5}.suggestion-actions{display:flex;gap:.25rem;flex-shrink:0}.suggestion-action-button{background:none;border:none;cursor:pointer;padding:4px 8px;border-radius:6px;transition:all .2s ease;font-size:1rem}.suggestion-action-button:hover{background:#3b82f61a;transform:scale(1.1)}.suggestion-action-button:active{transform:scale(.95)}.suggestion-original{margin-top:.5rem;font-size:.95rem;color:var(--chat-text-light);background:#f3f4f6;border-radius:8px;padding:8px 12px;border-left:3px solid var(--chat-primary-light)}.emoji-picker{position:fixed;bottom:250px;left:var(--chat-spacing);right:var(--chat-spacing);background:#fff;border:1px solid var(--chat-border);border-radius:var(--chat-radius);box-shadow:0 8px 32px var(--chat-shadow);max-height:200px;overflow-y:auto;z-index:200;animation:slideUp .3s ease}.emoji-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:2px;padding:var(--chat-spacing-small)}.emoji-button{background:none;border:none;padding:8px;cursor:pointer;border-radius:6px;font-size:1.2rem;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.emoji-button:hover{background:var(--chat-accent);transform:scale(1.2)}.emoji-button:active{transform:scale(.9)}.chat-actions-bar{position:fixed;left:0;right:0;bottom:175px;z-index:100;background:linear-gradient(135deg,#eaf6fb,#f6f8fc);padding:14px 0 10px;box-shadow:0 -2px 12px #b2c4d626;border-top:1.5px solid #d6eaf7;display:flex;justify-content:center;gap:2.5rem;border-radius:var(--chat-radius-large) var(--chat-radius-large) 0 0;min-height:70px;align-items:center;width:100%;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.action-button{font-size:1.25rem;color:#2a5d7a;font-weight:600;width:56px;height:56px;border-radius:50%;background:#f7f9fc;box-shadow:0 4px 12px #b2c4d633;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.action-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);transition:left .5s ease}.action-button:hover{background:#fff;transform:translateY(-3px) scale(1.05);box-shadow:0 8px 24px #b2c4d64d;border-color:var(--chat-primary-light)}.action-button:hover:before{left:100%}.action-button:active{transform:translateY(-1px) scale(1.02)}.image-action{text-decoration:none}.hidden-file-input{display:none}.ai-action-icon{width:28px;height:28px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}.chat-input-bar{position:fixed;left:0;right:0;bottom:110px;z-index:101;background:linear-gradient(135deg,#f7f9fc,#fff);border-top:1.5px solid #d6eaf7;box-shadow:0 -4px 16px #b2c4d633;padding:12px 0;display:flex;justify-content:center;align-items:center;width:100%;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px)}.input-container{display:flex;gap:var(--chat-spacing-small);width:90%;max-width:480px;align-items:center}.message-input{flex:1;font-size:1.1rem;border-radius:var(--chat-radius);border:1.5px solid #b2e3ff;padding:12px 16px;background:#fff;color:var(--chat-text);transition:all .3s ease;box-shadow:0 2px 8px var(--chat-shadow-light)}.message-input:focus{outline:none;border-color:var(--chat-primary);box-shadow:0 0 0 3px #3b82f61a,0 4px 12px var(--chat-shadow);background:var(--yinmn-blue)}.message-input::placeholder{color:var(--chat-text-light)}.send-button{font-size:1.1rem;border-radius:var(--chat-radius);padding:12px 20px;background:linear-gradient(135deg,var(--chat-primary) 0%,var(--chat-primary-dark) 100%);color:#fff;border:none;cursor:pointer;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 12px #3b82f64d;position:relative;overflow:hidden}.send-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.send-button:hover{background:linear-gradient(135deg,var(--chat-primary-light) 0%,var(--chat-primary) 100%);transform:translateY(-2px);box-shadow:0 8px 20px #3b82f666}.send-button:hover:before{left:100%}.send-button:active{transform:translateY(0)}.loading-message,.empty-message{text-align:center;color:var(--chat-text-light);font-size:1.1rem;padding:var(--chat-spacing-large);background:#fff;border-radius:var(--chat-radius);margin:var(--chat-spacing);box-shadow:0 2px 8px var(--chat-shadow-light)}.loading-message{position:relative}.loading-message:after{content:"";position:absolute;right:1rem;top:50%;transform:translateY(-50%);width:20px;height:20px;border:2px solid #e2e8f0;border-top:2px solid var(--chat-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{0%{transform:translateY(-50%) rotate(0)}to{transform:translateY(-50%) rotate(360deg)}}@media (max-width: 768px){.chat-actions-bar{gap:1.5rem;padding:10px 0}.action-button{width:48px;background-color:var(--yinmn-blue);height:48px;font-size:1.1rem}.input-container{width:95%}.message-input{font-size:1rem;padding:10px 14px}.send-button{font-size:1rem;padding:10px 16px}.bubble{max-width:85%;padding:12px 14px}}@media (max-width: 480px){.chat-title{font-size:1.5rem}.chat-single-title{font-size:1.25rem}.chat-actions-bar{gap:1rem}.action-button{width:44px;height:44px}.bubble{max-width:90%;font-size:.95rem}.room-name{font-size:1rem}.room-last-message{font-size:.85rem}}@media (prefers-color-scheme: dark){:root{--chat-text: #f8fafc;--chat-text-light: #94a3b8;--chat-secondary: #1e293b;--chat-border: #334155;--chat-shadow: rgba(0, 0, 0, .3);--chat-shadow-light: rgba(0, 0, 0, .2)}.chat-page,.chat-header,.chat-single-header{background:var(--color-bg)}.chat-room-button{background:#1e293b;border-color:#334155;color:var(--chat-text)}.chat-room-button:hover{background:#334155}.bubble--peer{background:#1e293b;border-color:#334155;color:var(--chat-text)}.message-input{background:var(--yinmn-blue);border-color:#334155;color:var(--chat-text)}.message-input:focus{background:#334155}.emoji-picker{background:#1e293b;border-color:#334155}.loading-message,.empty-message{background:#1e293b;color:var(--chat-text-light)}}.form-group{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1rem}.form-group label{font-weight:500;color:var(--text-onboarding)}.form-group input{padding:.75rem;border:1px solid var(--border);border-radius:8px;font-size:1rem;background:var(--surface-1);color:var(--text-primary)}.form-group input:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 2px var(--brand-100)}.alert{padding:1rem;border-radius:8px;margin-bottom:1rem}.alert-error{background-color:var(--error-50);border:1px solid var(--error-200);color:var(--error-700)}.text-center{text-align:center}.btn-link{background:none;border:none;color:var(--brand);text-decoration:underline;cursor:pointer;padding:0}.btn-link:hover{color:var(--brand-600)}.chat-bubble{background:linear-gradient(90deg,#e0eafc,#cfdef3);color:#222;border-radius:18px;padding:16px 24px;margin:16px 0;box-shadow:0 2px 8px #00000012;max-width:80%;font-size:1.15rem;font-family:Segoe UI,Roboto,Arial,sans-serif;position:relative;animation:chatFadeIn .7s cubic-bezier(.4,0,.2,1)}@keyframes chatFadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.slider{transition:box-shadow .3s,border .3s;border-radius:24px;background:#f7fafd;box-shadow:0 4px 24px #6496c81a;padding:32px 24px;margin:24px 0}.slider-ready{box-shadow:0 6px 32px #6496c82e;border:2px solid #b3c7e6}.ob-card{background:var(--color-white, #fff);border-radius:24px;box-shadow:0 4px 24px #a3c4bc1a;padding:32px 24px;margin:24px 0}.ob-card h3,.ob-card strong{color:var(--color-outline, #264653)}.ob-card input,.ob-card .chip{background:var(--color-peach, #FFE8D6);color:var(--color-outline, #264653);border:1px solid var(--color-blue, #81A5B5)}.ob-card .chip.active{background:var(--color-blue, #81A5B5);color:var(--color-white, #fff)}.ob-card input::placeholder{color:var(--color-blue, #81A5B5)}.ob-card button.btn-primary{background:var(--color-yellow, #FCD17D);color:var(--color-outline, #264653);font-weight:600}.ob-card button.btn-primary:disabled{background:var(--color-blue, #81A5B5);color:var(--color-white, #fff);opacity:.6}@media (max-width: 600px){.chat-bubble{padding:12px 16px;font-size:1rem;max-width:98%}.slider{padding:16px 8px}}