*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-elevated: #ffffff;--bg-hover: #f0f1f3;--text-primary: #1a1a1b;--text-secondary: #5c5c5e;--text-muted: #8e8e93;--accent-primary: #6b4ce6;--accent-secondary: #3db9b0;--accent-gradient: linear-gradient(135deg, #6b4ce6 0%, #3db9b0 100%);--participant-a: #6b4ce6;--participant-a-bg: rgba(107, 76, 230, .1);--participant-b: #3db9b0;--participant-b-bg: rgba(61, 185, 176, .1);--border-color: #e5e5e7;--border-light: #f0f0f2;--success: #34c759;--error: #ff3b30;--warning: #ff9500;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .08);--shadow-md: 0 4px 20px rgba(0, 0, 0, .12);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .16);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px}[data-theme=dark]{--bg-primary: #0a0a0b;--bg-secondary: #111113;--bg-elevated: #1a1a1d;--bg-hover: #222226;--text-primary: #f5f5f7;--text-secondary: #a1a1a6;--text-muted: #6e6e73;--accent-primary: #7c5cff;--accent-secondary: #4ecdc4;--accent-gradient: linear-gradient(135deg, #7c5cff 0%, #4ecdc4 100%);--participant-a: #7c5cff;--participant-a-bg: rgba(124, 92, 255, .15);--participant-b: #4ecdc4;--participant-b-bg: rgba(78, 205, 196, .15);--border-color: #2a2a2e;--border-light: #333338;--success: #34c759;--error: #ff453a;--warning: #ff9f0a;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 20px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .5)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg-primary: #0a0a0b;--bg-secondary: #111113;--bg-elevated: #1a1a1d;--bg-hover: #222226;--text-primary: #f5f5f7;--text-secondary: #a1a1a6;--text-muted: #6e6e73;--accent-primary: #7c5cff;--accent-secondary: #4ecdc4;--accent-gradient: linear-gradient(135deg, #7c5cff 0%, #4ecdc4 100%);--participant-a: #7c5cff;--participant-a-bg: rgba(124, 92, 255, .15);--participant-b: #4ecdc4;--participant-b-bg: rgba(78, 205, 196, .15);--border-color: #2a2a2e;--border-light: #333338;--shadow-sm: 0 2px 8px 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var(--border-color);border-radius:var(--radius-md)}.session-info{display:flex;flex-direction:column;gap:2px}.session-names{font-weight:500;color:var(--text-primary)}.session-status{font-size:.8rem;color:var(--text-muted)}.session-status.active{color:var(--success)}.session-status.waiting{color:var(--warning)}.session-status.ended{color:var(--text-muted)}.session-actions{display:flex;gap:8px}.session-action-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--border-color);border-radius:var(--radius-sm);cursor:pointer;transition:all 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h2{font-size:1.5rem;margin-bottom:12px}.share-instruction{color:var(--text-secondary);margin-bottom:24px;line-height:1.6}.share-created .share-link-box{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--bg-elevated);border:1px solid var(--border-color);border-radius:var(--radius-md);margin-bottom:20px}.share-created .share-link-box code{flex:1;font-family:SF Mono,Monaco,monospace;font-size:.8rem;color:var(--accent-primary);word-break:break-all;text-align:left}.copy-inline{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--bg-hover);border:none;border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:background .2s,color .2s;flex-shrink:0}.copy-inline:hover{background:var(--border-light);color:var(--text-primary)}.share-buttons{display:flex;gap:12px;margin-bottom:24px}.share-buttons .share-button{flex:1}.share-created .cta-button{width:100%;margin-bottom:16px}.share-created 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var(--border-color)}.share-button.copy-id:hover{color:var(--text-primary);border-color:var(--border-light)}.share-note{padding:16px;background:var(--bg-secondary);border-radius:var(--radius-md);margin-bottom:32px}.share-note p{font-size:.9rem;color:var(--text-muted)}.waiting-room-container{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px}.waiting-content{max-width:400px;text-align:center}.waiting-animation{position:relative;width:100px;height:100px;display:flex;align-items:center;justify-content:center;margin:0 auto 32px}.waiting-animation svg{color:var(--accent-primary);z-index:1}.pulse-ring{position:absolute;inset:0;border:2px solid var(--accent-primary);border-radius:50%;animation:pulse 2s ease-out infinite}@keyframes pulse{0%{transform:scale(.8);opacity:1}to{transform:scale(1.5);opacity:0}}.waiting-content h1{font-size:1.5rem;margin-bottom:12px}.waiting-subtitle{color:var(--text-secondary);margin-bottom:32px}.waiting-status{display:flex;align-items:center;justify-content:center;gap:12px;padding:16px;background:var(--bg-secondary);border-radius:var(--radius-md);margin-bottom:24px;color:var(--text-secondary);font-size:.95rem}.join-session-container{min-height:100vh;min-height:100dvh;background:var(--bg-primary)}.join-header{padding:40px 24px;text-align:center;border-bottom:1px solid var(--border-color)}.invite-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:var(--participant-a-bg);border-radius:20px;color:var(--participant-a);font-size:.9rem;font-weight:500;margin-bottom:16px}.join-header h1{font-size:1.75rem;margin-bottom:12px}.join-subtitle{color:var(--text-secondary);max-width:400px;margin:0 auto}.join-form{max-width:500px;margin:0 auto;padding:32px 24px}.chat-container{display:flex;flex-direction:column;height:100vh;height:100dvh;max-width:720px;margin:0 auto;width:100%;background:var(--bg-primary)}@media(min-width:768px){.chat-container{margin-top:20px;margin-bottom:20px;height:calc(100vh - 40px);height:calc(100dvh - 40px);border-radius:var(--radius-xl);border:1px solid var(--border-color);box-shadow:var(--shadow-lg);overflow:hidden}body{background:var(--bg-secondary)}}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:var(--bg-elevated);border-bottom:1px solid var(--border-color)}.header-actions{display:flex;gap:4px}.messages-area{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;background:var(--bg-primary);overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.intro-display{background:var(--bg-secondary);border:1px solid 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p{font-size:.95rem;color:var(--text-primary);line-height:1.6;word-wrap:break-word;overflow-wrap:break-word;white-space:pre-wrap}.message{display:flex;gap:10px;max-width:85%;animation:fadeIn .3s ease}.message-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:.85rem;font-weight:600}.message-body{flex:1;min-width:0;padding:10px 14px;border-radius:var(--radius-lg)}.message.own-message{align-self:flex-end;flex-direction:row-reverse}.message.own-message .message-avatar{background:var(--participant-a);color:#fff}.message.own-message .message-body{background:var(--participant-a-bg);border:1px solid rgba(124,92,255,.3);border-bottom-right-radius:4px}.message.other-message{align-self:flex-start}.message.other-message .message-avatar{background:var(--participant-b);color:#fff}.message.other-message .message-body{background:var(--participant-b-bg);border:1px solid rgba(78,205,196,.3);border-bottom-left-radius:4px}.message.ai-message{align-self:flex-start;max-width:95%}.message.ai-message .message-avatar{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:#fff}.message.ai-message .message-body{background:var(--bg-secondary);border:1px solid var(--border-color)}.message.perspective-message{align-self:center;max-width:90%;width:100%}.message.perspective-message .message-body{background:var(--bg-secondary);border-radius:var(--radius-lg);padding:16px 18px}.message.perspective-message.participant-a .message-body{border-left:4px solid var(--participant-a)}.message.perspective-message.participant-b .message-body{border-left:4px solid var(--participant-b)}.message.perspective-message.participant-a .message-avatar{background:var(--participant-a);color:#fff}.message.perspective-message.participant-b .message-avatar{background:var(--participant-b);color:#fff}.message.perspective-message.participant-a .message-header{color:var(--participant-a)}.message.perspective-message.participant-b .message-header{color:var(--participant-b)}.perspective-label{display:inline-block;font-size:.65rem;font-weight:500;text-transform:uppercase;letter-spacing:.5px;background:var(--bg-hover);padding:2px 6px;border-radius:var(--radius-sm);margin-left:8px;color:var(--text-muted)}.message.perspective-message .message-content{white-space:pre-wrap;line-height:1.7}.perspective-content{display:flex;flex-direction:column;gap:12px}.perspective-item{padding-bottom:10px;border-bottom:1px solid var(--border-color)}.perspective-item:last-child{border-bottom:none;padding-bottom:0}.perspective-item-label{display:block;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:4px}.perspective-item p{margin:0;color:var(--text-primary);font-size:.95rem;line-height:1.5}.perspective-ack{display:flex;align-items:center;gap:8px;margin-top:12px;padding-top:12px;border-top:1px solid var(--border-color)}.perspective-ack-btn{display:flex;align-items:center;gap:6px;padding:8px 12px;background:transparent;border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.85rem;cursor:pointer;transition:all .2s}.perspective-ack-btn:hover{background:var(--bg-hover);border-color:var(--accent-primary);color:var(--accent-primary)}.perspective-ack-btn.acknowledged{background:#34c7591a;border-color:var(--success);color:var(--success);cursor:default}.message-header{font-size:.75rem;font-weight:600;margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}.message.own-message .message-header{color:var(--participant-a)}.message.other-message .message-header{color:var(--participant-b)}.message.ai-message .message-header{color:var(--accent-secondary)}.message-content{color:var(--text-primary);font-size:.95rem;line-height:1.6}.message-translation{display:flex;align-items:flex-start;gap:8px;margin-top:12px;padding-top:12px;border-top:1px dashed var(--border-color);font-size:.9rem;color:var(--text-secondary);font-style:italic}.message-translation svg{flex-shrink:0;margin-top:2px}.message-translation.loading{color:var(--text-muted)}.translation-loading{display:flex;gap:4px;align-items:center}.translation-loading .dot{width:6px;height:6px;background:var(--text-muted);border-radius:50%;animation:translationPulse 1.4s ease-in-out infinite}.translation-loading .dot:nth-child(1){animation-delay:0s}.translation-loading .dot:nth-child(2){animation-delay:.2s}.translation-loading .dot:nth-child(3){animation-delay:.4s}@keyframes translationPulse{0%,80%,to{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}.typing-indicator-message{animation:fadeIn .3s ease}.typing-indicator-message .message-body{padding:8px 14px;min-height:auto}.typing-indicator{display:flex;gap:5px;align-items:center;padding:4px 0}.typing-indicator .dot{width:8px;height:8px;background:var(--text-muted);border-radius:50%;animation:typingBounce 1.4s ease-in-out infinite}.typing-indicator .dot:nth-child(1){animation-delay:0s}.typing-indicator .dot:nth-child(2){animation-delay:.2s}.typing-indicator .dot:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-6px);opacity:1}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.selection-header{background:var(--accent-primary);display:flex;align-items:center;gap:16px}.selection-close{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:transparent;border:none;color:#fff;cursor:pointer;border-radius:50%;transition:background .2s}.selection-close:hover{background:#ffffff1a}.selection-count{color:#fff;font-size:1.1rem;font-weight:500;flex:1}.selection-actions{display:flex;gap:8px}.selection-action{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:transparent;border:none;color:#fff;cursor:pointer;border-radius:50%;transition:background .2s}.selection-action:hover{background:#ffffff1a}.selection-action.delete:hover{background:#ff3b304d}.selected-message{background:#7c5cff26!important}.selected-message .message-body{background:#7c5cff1a}.edited-indicator{font-size:.75rem;color:var(--text-muted);font-weight:400;margin-left:6px}.deleted-message .message-body{opacity:.6}.deleted-content{color:var(--text-muted);font-style:italic}.edit-preview{display:flex;align-items:stretch;margin:0 16px 8px;background:var(--bg-elevated);border-radius:var(--radius-md);overflow:hidden}.edit-preview-bar{width:4px;background:var(--accent-primary);flex-shrink:0}.edit-preview-content{flex:1;padding:8px 12px;min-width:0}.edit-preview-label{display:flex;align-items:center;gap:4px;font-size:.75rem;font-weight:600;color:var(--accent-primary);margin-bottom:2px}.edit-preview-text{font-size:.85rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.edit-preview-close{display:flex;align-items:center;justify-content:center;width:40px;background:transparent;border:none;color:var(--text-muted);cursor:pointer;transition:color .2s;flex-shrink:0}.edit-preview-close:hover{color:var(--text-primary)}.send-button.editing{background:var(--accent-secondary)}.ai-goals{margin-top:16px;padding:14px;background:var(--bg-elevated);border-radius:var(--radius-md)}.ai-goals h4{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--accent-secondary);margin-bottom:12px}.goal-item{padding:10px 12px;background:var(--bg-primary);border-radius:var(--radius-sm);margin-bottom:8px;font-size:.9rem;border-left:3px solid var(--accent-secondary)}.goal-item:last-child{margin-bottom:0}.goal-item strong{color:var(--accent-primary)}.listening-indicator{display:flex;align-items:center;justify-content:center;gap:3px;padding:8px 0}.listening-dot{width:4px;height:4px;background:var(--text-muted);border-radius:50%;animation:pulse 1.4s ease-in-out infinite both}.listening-dot:nth-child(1){animation-delay:-.32s}.listening-dot:nth-child(2){animation-delay:-.16s}.listening-dot:nth-child(3){animation-delay:0s}@keyframes pulse{0%,80%,to{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}.input-area{padding:12px 16px;padding-bottom:max(12px,env(safe-area-inset-bottom));background:var(--bg-secondary);border-top:1px solid 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var(--border-color);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.85rem;font-weight:500;cursor:pointer;transition:all .2s}.option-buttons button:hover{background:var(--bg-hover);border-color:var(--accent-primary)}.option-buttons button.active{background:var(--accent-primary);border-color:var(--accent-primary);color:#fff}.privacy-notice{display:flex;align-items:center;justify-content:center;gap:6px;padding:10px;background:var(--bg-elevated);border-radius:var(--radius-sm);font-size:.8rem;color:var(--text-muted)}.privacy-notice svg{color:var(--success)}.theme-toggle{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:transparent;border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all .2s}.theme-toggle:hover{background:var(--bg-hover);color:var(--text-primary)}.setting-item{display:flex;flex-direction:column;gap:8px}.setting-item label{font-size:.85rem;font-weight:500;color:var(--text-secondary)}.setting-item select{padding:10px 14px;background:var(--bg-elevated);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:.95rem;cursor:pointer;transition:border-color .2s}.setting-item select:focus{outline:none;border-color:var(--accent-primary)}.modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;padding:24px;z-index:1000}.modal{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:28px;max-width:420px;width:100%;box-shadow:var(--shadow-lg)}.modal h2{font-size:1.25rem;margin-bottom:12px}.modal>p{color:var(--text-secondary);font-size:.95rem;margin-bottom:20px}.modal-buttons{display:flex;gap:12px;margin-top:24px}.modal-buttons button{flex:1}.expired-container{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px}.expired-content{max-width:400px;text-align:center}.expired-icon{width:80px;height:80px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:50%;margin:0 auto 24px;color:var(--text-muted)}.expired-content h1{font-size:1.75rem;margin-bottom:16px}.expired-content p{color:var(--text-secondary);margin-bottom:16px}.expired-note{font-style:italic;color:var(--text-muted);margin-bottom:32px}.privacy-container{min-height:100vh;min-height:100dvh;background:var(--bg-primary)}.privacy-header{display:flex;align-items:center;gap:20px;padding:20px 24px;border-bottom:1px solid var(--border-color)}.privacy-header h1{font-size:1.25rem}.privacy-content{max-width:700px;margin:0 auto;padding:40px 24px}.privacy-content section{margin-bottom:40px}.section-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--accent-gradient);border-radius:var(--radius-md);margin-bottom:16px}.section-icon svg{color:#fff}.privacy-content h2{font-size:1.25rem;margin-bottom:12px}.privacy-content p{color:var(--text-secondary);margin-bottom:12px;line-height:1.7}.privacy-content ul{color:var(--text-secondary);padding-left:24px;margin-bottom:12px}.privacy-content li{margin-bottom:8px}.loading-page,.error-page{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:24px;text-align:center}.loading-page p,.error-page p{color:var(--text-secondary)}.error-page h2{font-size:1.5rem}@media(max-width:600px){.hero h2{font-size:1.5rem}.hero-subtitle{font-size:1rem}.features,.form-row{grid-template-columns:1fr}.message{max-width:90%}.message.ai-message{max-width:100%}.intro-cards{gap:8px}}.onboarding-chat{display:flex;flex-direction:column;flex:1;background:var(--bg-secondary)}.onboarding-header{padding:20px;border-bottom:1px solid var(--border-color);text-align:center}.onboarding-header h2{font-size:1.25rem;margin-bottom:12px;color:var(--text-primary)}.onboarding-progress{display:flex;justify-content:center;gap:8px}.progress-dot{width:8px;height:8px;border-radius:50%;background:var(--border-color);transition:all .3s ease}.progress-dot.completed{background:var(--success)}.progress-dot.active{background:var(--accent-primary);transform:scale(1.25)}.onboarding-messages{flex:1;padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:16px}.onboarding-message{display:flex;gap:12px;max-width:85%;animation:slideIn .3s ease}.onboarding-message.ai{align-self:flex-start}.onboarding-message.user{align-self:flex-end;flex-direction:row-reverse}.onboarding-message .message-icon{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.onboarding-message.ai .message-icon{background:var(--participant-a-bg);color:var(--participant-a)}.onboarding-message.user .message-icon{background:var(--participant-b-bg);color:var(--participant-b)}.onboarding-message .message-bubble{padding:12px 16px;border-radius:var(--radius-lg);line-height:1.5}.onboarding-message.ai .message-bubble{background:var(--bg-elevated);color:var(--text-primary);border-bottom-left-radius:4px}.onboarding-message.user .message-bubble{background:var(--accent-primary);color:#fff;border-bottom-right-radius:4px}.onboarding-message .message-bubble.typing{display:flex;align-items:center;gap:4px;padding:16px 20px}.onboarding-message .message-bubble.typing span{width:8px;height:8px;background:var(--text-muted);border-radius:50%;animation:typingBounce 1.4s infinite ease-in-out both}.onboarding-message .message-bubble.typing span:nth-child(1){animation-delay:-.32s}.onboarding-message .message-bubble.typing span:nth-child(2){animation-delay:-.16s}@keyframes typingBounce{0%,80%,to{transform:scale(.8);opacity:.5}40%{transform:scale(1);opacity:1}}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.onboarding-input{padding:16px 20px;border-top:1px solid var(--border-color);display:flex;gap:12px;background:var(--bg-primary)}.onboarding-input textarea{flex:1;padding:12px 16px;background:var(--bg-elevated);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:1rem;font-family:inherit;resize:none;min-height:48px;transition:border-color .2s}.onboarding-input textarea:focus{outline:none;border-color:var(--accent-primary)}.onboarding-input textarea:disabled{opacity:.5}.onboarding-input button{width:48px;height:48px;border-radius:var(--radius-md);background:var(--accent-gradient);border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .2s,opacity .2s}.onboarding-input button:hover:not(:disabled){transform:scale(1.05)}.onboarding-input button:disabled{opacity:.5;cursor:not-allowed}.onboarding-answers{display:flex;flex-direction:column;gap:12px}.answer-item{padding-bottom:10px;border-bottom:1px solid var(--border-color)}.answer-item:last-child{border-bottom:none;padding-bottom:0}.answer-label{display:block;font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}.answer-item p{color:var(--text-primary);font-size:.9rem;margin:0;word-wrap:break-word;overflow-wrap:break-word;white-space:pre-wrap}.no-intro{color:var(--text-muted);font-style:italic}@media(max-width:600px){.onboarding-message{max-width:90%}.onboarding-input{padding:12px 16px}}