*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0b0b0f;--bg-surface: #131318;--bg-card: #17171e;--bg-card-hover: #1d1d28;--bg-card-selected: #191930;--border: #242434;--border-hover: #363650;--border-selected: #818cf8;--text-primary: #ededf2;--text-secondary: #a0a0b4;--text-muted: #78788e;--accent: #818cf8;--accent-bright: #a5b4fc;--accent-dim: #6366f1;--accent-soft: rgba(129, 140, 248, .1);--accent-glow: rgba(129, 140, 248, .22);--accent-glow-strong: rgba(129, 140, 248, .5);--radius: 14px;--radius-sm: 10px;--max-width: 520px;--ease: cubic-bezier(.4, 0, .2, 1);--ease-out: cubic-bezier(0, 0, .2, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1)}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,sans-serif;background:var(--bg);color:var(--text-primary);line-height:1.5;min-height:100dvh;overflow-x:hidden}:root{--noise: url("data:image/svg+xml,%3Csvg 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var(--ease);opacity:0}.personality-text.has-text{color:var(--text-secondary);opacity:1}.page-disclaimer{font-size:.66rem;color:var(--text-muted);line-height:1.45;text-align:center;max-width:400px;margin:0 auto;padding-bottom:24px}#builder{display:flex;flex-direction:column;width:100%;max-width:var(--max-width);flex:1;animation:fadeUp .45s var(--ease-out) both}@keyframes fadeUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.progress-wrap{margin-top:14px;margin-bottom:14px}.progress-label{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px;font-weight:500}.progress-track{height:2px;background:var(--border);border-radius:1px;overflow:hidden}.progress-bar{height:100%;background:linear-gradient(90deg,var(--accent-dim),var(--accent));border-radius:1px;transition:width .5s var(--ease-spring);width:33%}.step-header{display:flex;align-items:baseline;gap:10px;margin-bottom:12px;flex-wrap:wrap}.step-title{font-size:1.15rem;font-weight:700;letter-spacing:-.015em;line-height:1.3}.step-hint{font-size:.75rem;color:var(--text-muted);font-weight:400;white-space:nowrap}.options-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:0}.option-card{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 10px 14px;background:var(--bg-card);border:1.5px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .25s var(--ease),transform .2s var(--ease-spring);color:var(--text-secondary);font-family:inherit;font-size:.84rem;font-weight:500;text-align:center;-webkit-tap-highlight-color:transparent;animation:cardIn .3s var(--ease-out) 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.25s var(--ease-spring) both}.option-card.selected:after{content:"";position:absolute;top:11px;right:12px;width:5px;height:9px;border:solid #fff;border-width:0 1.5px 1.5px 0;transform:rotate(45deg);animation:checkPop .25s var(--ease-spring) .04s both}@keyframes badgePop{0%{opacity:0;transform:scale(0)}to{opacity:1;transform:scale(1)}}@keyframes checkPop{0%{opacity:0;transform:scale(.5) rotate(45deg)}to{opacity:1;transform:scale(1) rotate(45deg)}}.option-thumb{width:40px;height:40px;border-radius:var(--radius-sm);object-fit:cover;opacity:.85;transition:all .25s var(--ease)}.option-card:hover .option-thumb{opacity:.95}.option-card.selected .option-thumb{opacity:1;transform:scale(1.06)}.option-label{line-height:1.25;transition:color .15s}.option-card.selected .option-label{color:var(--accent-bright);font-weight:600}.builder-personality{margin-top:14px;margin-bottom:14px}.nav-row{display:flex;justify-content:flex-end;align-items:center;margin-bottom:12px;gap:6px}.btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 28px;border-radius:var(--radius);border:none;font-family:inherit;font-size:.88rem;font-weight:600;cursor:pointer;transition:all .2s var(--ease);-webkit-tap-highlight-color:transparent}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 2px 10px #818cf82e}.btn-primary:hover:not(:disabled){background:var(--accent-bright);box-shadow:0 4px 18px #818cf84d;transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:scale(.97)}.btn-primary:disabled{opacity:.25;cursor:not-allowed;box-shadow:none}.btn-ghost{background:transparent;color:var(--text-muted);padding:0 14px}.btn-ghost:hover{color:var(--text-secondary)}#chat{display:none;flex-direction:column;width:100%;max-width:var(--max-width);flex:1;min-height:0;overflow-x:hidden;animation:fadeUp .4s var(--ease-out) both}.chat-header{display:flex;flex-direction:column;gap:8px;padding:12px 16px;margin-top:10px;flex-shrink:0;border-bottom:1px solid var(--border);cursor:pointer;-webkit-tap-highlight-color:transparent}.chat-header-top{display:flex;align-items:center;gap:10px}.chat-header .symbol-wrap{width:32px;height:32px;animation:none}.chat-header-title{flex:1;font-size:.88rem;font-weight:600;color:var(--text-primary);letter-spacing:-.01em;line-height:1.3}.chat-header-desc{font-size:.78rem;line-height:1.5;display:block;margin:0;padding-left:42px}.customize-btn{font-size:.72rem;color:var(--text-muted);background:none;border:none;padding:0;margin:0 0 0 42px;cursor:pointer;font-family:inherit;text-decoration:underline;text-underline-offset:2px;white-space:nowrap;transition:color .2s var(--ease);-webkit-tap-highlight-color:transparent;position:relative}.customize-btn:before{content:"";position:absolute;inset:-12px -8px;min-height:44px;min-width:44px}.customize-btn:hover{color:var(--text-secondary)}.chat-header-chevron{width:8px;height:8px;flex-shrink:0;border-right:1.5px solid var(--text-muted);border-bottom:1.5px solid var(--text-muted);transform:rotate(45deg);transition:transform .3s var(--ease);align-self:center;opacity:.6}.chat-header.expanded .chat-header-chevron{transform:rotate(-135deg)}.chat-header-body{max-height:0;opacity:0;overflow:hidden;transition:max-height .3s var(--ease),opacity .25s var(--ease)}.chat-header.expanded .chat-header-body{max-height:200px;opacity:1}.messages{flex:1;overflow-y:auto;padding:16px 0;display:flex;flex-direction:column;gap:10px;min-height:0;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}.msg-row{display:flex;gap:10px;align-items:flex-end;animation:msgIn .25s var(--ease-out) 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svg{width:18px;height:18px;fill:#fff}.chat-footer{display:flex;justify-content:center;align-items:center;padding:0 0 16px;gap:16px;flex-shrink:0}.chat-footer .page-disclaimer{margin:0;padding-bottom:0}.clear-btn{font-size:.66rem;color:var(--text-muted);background:none;border:none;padding:0;cursor:pointer;font-family:inherit;text-decoration:underline;text-underline-offset:2px;flex-shrink:0;transition:color .2s;-webkit-tap-highlight-color:transparent;position:relative}.clear-btn:before{content:"";position:absolute;inset:-12px -8px;min-height:44px;min-width:44px}.clear-btn:hover{color:var(--text-secondary)}@media(max-width:379px){.page{padding:0 12px}.page-title{font-size:1.25rem;margin-top:24px}.progress-wrap{margin-top:10px;margin-bottom:10px}.step-header{margin-bottom:10px}.builder-personality{margin-top:10px;margin-bottom:10px}.step-title{font-size:1rem}.option-card{padding:12px 8px 10px;gap:6px;font-size:.78rem}.option-thumb{width:32px;height:32px}.btn{height:42px;padding:0 22px;font-size:.84rem}.personality-text{font-size:.74rem}.chat-header{gap:6px;padding:10px 12px}.chat-header .symbol-wrap{width:28px;height:28px}.chat-header-desc{font-size:.72rem;padding-left:38px}.customize-btn{margin-left:38px}.msg{font-size:.86rem;padding:10px 13px}.msg-user{max-width:90%}.msg-row-assistant{max-width:92%}.msg-avatar{width:24px;height:24px}.msg-row{gap:8px}}@media(min-width:640px){.page-title{margin-top:56px;font-size:1.7rem}.step-title{font-size:1.25rem}.symbol-wrap{width:56px;height:56px}.options-grid{grid-template-columns:1fr 1fr 1fr;gap:10px}.option-card{padding:18px 12px 16px}.chat-header{padding:14px 20px;margin-top:14px}.chat-header .symbol-wrap{width:36px;height:36px}.chat-header-desc{padding-left:46px}.customize-btn{margin-left:46px}}@media(hover:none){.option-card:hover{background:var(--bg-card);border-color:var(--border);color:var(--text-secondary);transform:none}.option-card:hover 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