*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--primary: #6C5CE7;--primary-light: #EDE9FF;--bg: #F7F7FA;--bg-card: #FFFFFF;--bg-bubble-ai: #FFFFFF;--bg-bubble-user: #6C5CE7;--text: #1A1A2E;--text-secondary: #6B7280;--text-bubble-user: #FFFFFF;--radius: 16px;--shadow: 0 2px 8px rgba(0,0,0,.04);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #0F0F1A;--bg-card: #1A1A2E;--bg-bubble-ai: #1A1A2E;--text: #F0F0F5;--text-secondary: #9CA3AF;--shadow: 0 2px 8px rgba(0,0,0,.2)}}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-text-size-adjust:100%;overscroll-behavior:none}.chat-page{max-width:480px;width:100%;height:100vh;height:100dvh;display:flex;flex-direction:column;position:fixed;top:0;left:50%;transform:translate(-50%)}.chat-header{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;background:var(--bg-card);border-bottom:1px solid rgba(0,0,0,.05);flex-shrink:0;z-index:10}.back-btn{font-size:1.25rem;text-decoration:none;color:var(--primary);padding:.25rem;line-height:1}.header-avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;background:var(--primary-light);flex-shrink:0}.header-avatar-skeleton{width:40px;height:40px;border-radius:50%;background:var(--primary-light);flex-shrink:0;animation:shimmer 1.2s infinite}.header-info{flex:1;min-width:0}.header-name{display:block;font-weight:600;font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-status{font-size:.75rem;color:#10b981}.msg-counter{font-size:.75rem;color:var(--text-secondary);white-space:nowrap;flex-shrink:0}.chat-messages{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.75rem;-webkit-overflow-scrolling:touch;will-change:scroll-position;overscroll-behavior-y:contain}.msg{max-width:85%;padding:.75rem 1rem;border-radius:var(--radius);font-size:.9rem;line-height:1.5;word-break:break-word;white-space:pre-wrap;animation:msgIn .15s ease-out}@keyframes msgIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.msg-ai{align-self:flex-start;background:var(--bg-bubble-ai);box-shadow:var(--shadow);border-bottom-left-radius:4px}.msg-user{align-self:flex-end;background:var(--bg-bubble-user);color:var(--text-bubble-user);border-bottom-right-radius:4px}.msg-ai .cursor{display:inline-block;width:2px;height:1em;background:var(--primary);margin-left:2px;vertical-align:text-bottom;animation:blink .7s infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.intro-card{text-align:center;padding:1.25rem 1rem .75rem;margin-bottom:.25rem}.intro-avatar{width:64px;height:64px;border-radius:50%;object-fit:cover;margin:0 auto .5rem;display:block;background:var(--primary-light)}.intro-name{font-size:1rem;font-weight:700;margin-bottom:.35rem}.intro-desc{font-size:.82rem;color:var(--text-secondary);line-height:1.4;margin-bottom:.35rem}.intro-backstory{font-size:.78rem;color:var(--text-secondary);line-height:1.4;font-style:italic;opacity:.8}.suggestion-chips{display:flex;flex-wrap:wrap;gap:.4rem;padding:.25rem 0;align-self:flex-start}.suggestion-chip{background:var(--bg-card);color:var(--primary);border:1.5px solid var(--primary);border-radius:20px;padding:.4rem .85rem;font-size:.8rem;font-weight:500;font-family:var(--font);cursor:pointer;transition:background .15s,color .15s;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.suggestion-chip:active{background:var(--primary);color:#fff}@keyframes shimmer{0%,to{opacity:.4}50%{opacity:1}}.chat-input-bar{display:flex;gap:.5rem;padding:.75rem 1rem;padding-bottom:max(.75rem,env(safe-area-inset-bottom,.75rem));background:var(--bg-card);border-top:1px solid rgba(0,0,0,.05);flex-shrink:0}#msg-input{flex:1;padding:.65rem 1rem;border-radius:12px;border:1.5px solid rgba(0,0,0,.08);background:var(--bg);color:var(--text);font-size:.9rem;font-family:var(--font);outline:none;transition:border-color .15s}#msg-input:focus{border-color:var(--primary)}#msg-input:disabled{opacity:.5}#msg-input{transition:border-color .15s,opacity .15s}#send-btn{width:42px;height:42px;border-radius:50%;border:none;background:var(--primary);color:#fff;font-size:1.1rem;cursor:pointer;flex-shrink:0;transition:opacity .15s;display:flex;align-items:center;justify-content:center}#send-btn:disabled{opacity:.4;cursor:not-allowed}#send-btn:active:not(:disabled){opacity:.7}.lock-overlay{position:absolute;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:100;padding:1rem;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.lock-overlay[hidden]{display:none}.lock-card{background:var(--bg-card);border-radius:var(--radius);padding:2rem 1.5rem;text-align:center;max-width:320px;width:100%;box-shadow:0 8px 32px #00000026}.lock-icon{font-size:2.5rem;margin-bottom:.75rem}.lock-card h2{font-size:1.25rem;font-weight:700;margin-bottom:.5rem}.lock-card p{font-size:.9rem;color:var(--text-secondary);line-height:1.4;margin-bottom:1.25rem}.btn-lock-cta{display:block;padding:.85rem 1.5rem;background:var(--primary);color:#fff;border-radius:14px;font-size:1rem;font-weight:600;text-decoration:none;transition:opacity .15s}.btn-lock-cta:active{opacity:.8}.lock-rating{font-size:.8rem;color:var(--text-secondary);margin-top:.75rem;margin-bottom:0!important}