*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#08090A;--bg-secondary:#0F1114;--bg-surface:#151820;--bg-elevated:#1A1E27;--border-subtle:#1E2328;--border-default:#2A2F38;--border-focus:#3A4050;--text-primary:#E8EAED;--text-secondary:#9AA0AB;--text-muted:#5A6270;--text-inverse:#08090A;--accent-standard:#35D07F;--accent-standard-dim:rgba(53,208,127,0.12);--accent-pro:#FCFF52;--accent-pro-dim:rgba(252,255,82,0.10);--accent-pro-glow:rgba(252,255,82,0.06);--accent-error:#FF5F5F;--accent-error-bg:rgba(255,95,95,0.08);--font-display:"Outfit",-apple-system,BlinkMacSystemFont,sans-serif;--font-body:"Outfit",-apple-system,BlinkMacSystemFont,sans-serif;--font-mono:"IBM Plex Mono","SF Mono","Fira 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ease}a:hover{color:var(--text-primary)}code{font-family:var(--font-mono);font-size:.85em;background:var(--bg-elevated);padding:2px 7px;border-radius:var(--radius-sm);border:1px solid var(--border-subtle)}::selection{background:rgba(53,208,127,.25);color:var(--text-primary)}.chat-container{display:flex;flex-direction:column;min-height:100vh;background-color:var(--bg-primary)}.chat-header{position:fixed;top:0;left:0;right:0;z-index:100;justify-content:space-between;height:var(--header-height);padding:0 1.25rem;background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border-bottom:1px solid var(--glass-border)}.chat-header,.header-left{display:flex;align-items:center}.header-left{gap:.625rem;min-width:140px}.app-name{font-family:var(--font-display);font-size:1.15rem;font-weight:700;letter-spacing:-.03em;color:var(--text-primary);line-height:1}.header-center{position:absolute;left:50%;transform:translateX(-50%)}.header-right{display:flex;align-items:center;gap:.75rem;min-width:140px;justify-content:flex-end}.tier-selector-container{position:relative;display:inline-block;flex-shrink:0}.tier-selector-btn{display:flex;align-items:center;gap:6px;padding:6px 10px;border-radius:var(--radius-full);border:1px solid var(--border-subtle);background:var(--bg-surface);color:var(--text-primary);font-family:var(--font-body);font-size:.8rem;font-weight:500;cursor:pointer;transition:all .2s ease;white-space:nowrap}.tier-selector-btn:hover{border-color:var(--border-default);background:var(--bg-elevated)}.tier-selector-label{font-size:.8rem}.tier-selector-chevron{color:var(--text-muted);transition:transform .2s ease}.tier-selector-btn[aria-expanded=true] .tier-selector-chevron{transform:rotate(180deg)}.tier-selector-dropdown{position:absolute;bottom:calc(100% + 8px);right:0;width:240px;background:rgba(18,21,26,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-default);border-radius:12px;padding:6px;box-shadow:0 10px 30px rgba(0,0,0,.5);z-index:100;display:flex;flex-direction:column;gap:4px;animation:dropdown-in .2s cubic-bezier(.16,1,.3,1) both}@keyframes dropdown-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.tier-dropdown-option{display:flex;flex-direction:column;align-items:flex-start;width:100%;padding:8px 12px;border:none;border-radius:8px;background:transparent;cursor:pointer;transition:all .2s ease;text-align:left}.tier-dropdown-option:hover{background:rgba(255,255,255,.04)}.tier-dropdown-option.selected{background:rgba(255,255,255,.06)}.option-header{display:flex;align-items:center;gap:8px;margin-bottom:2px}.option-name{font-family:var(--font-body);font-size:.85rem;font-weight:600}.option-name,.tier-dropdown-option.selected .option-name{color:var(--text-primary)}.option-desc{font-size:.72rem;color:var(--text-muted)}.option-desc,.wallet-btn{font-family:var(--font-body)}.wallet-btn{display:flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--radius-full);font-size:.8rem;font-weight:500;cursor:pointer;transition:all .2s ease;border:1px solid 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solid rgba(53,208,127,.15)}.subscription-prompt{position:fixed;bottom:80px;left:0;right:0;display:flex;justify-content:center;padding:0 1rem;z-index:50;animation:slide-up .3s cubic-bezier(.16,1,.3,1) both}@keyframes slide-up{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.subscription-prompt-inner{width:100%;max-width:48rem;display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid rgba(252,255,82,.12);border-radius:var(--radius-lg);box-shadow:0 4px 24px rgba(0,0,0,.3),0 0 0 1px rgba(252,255,82,.05)}.subscription-prompt-text{display:flex;flex-direction:column;gap:2px;font-size:.85rem;color:var(--text-secondary)}.subscription-prompt-text 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0;max-width:100%;font-size:.9rem;line-height:1.7}.markdown-content{white-space:normal}.markdown-content p{margin:0 0 .8rem}.markdown-content p:last-child{margin-bottom:0}.markdown-content ol,.markdown-content ul{margin:0 0 .8rem 1.25rem;padding:0}.markdown-content ul{list-style-type:disc}.markdown-content ol{list-style-type:decimal}.markdown-content li{margin-bottom:.3rem}.markdown-content li:last-child{margin-bottom:0}.markdown-content code{font-family:var(--font-mono);font-size:.85em;padding:2px 6px;border-radius:var(--radius-sm)}.markdown-content code,.markdown-content pre{background:var(--bg-elevated);border:1px solid var(--border-subtle)}.markdown-content pre{border-radius:var(--radius-md);padding:.8rem 1rem;margin:.8rem 0;overflow-x:auto;white-space:pre}.markdown-content pre code{background:transparent;padding:0;border:none;font-size:.85rem;line-height:1.5;display:block}.markdown-content h1,.markdown-content h2,.markdown-content h3,.markdown-content 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1rem;background:var(--accent-error-bg);color:var(--accent-error);border-radius:var(--radius-md);border:1px solid rgba(255,95,95,.15);font-size:.85rem;animation:message-in .35s ease both}.chat-input-wrapper{position:fixed;bottom:0;left:0;right:0;padding:1rem;background:linear-gradient(to top,var(--bg-primary) 50%,rgba(8,9,10,0) 100%);display:flex;justify-content:center;z-index:40}.chat-input-container{width:100%;max-width:48rem;position:relative}.chat-form{display:flex;align-items:center;gap:.5rem;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-full);padding:.35rem .5rem .35rem 1rem;transition:all .25s ease}.chat-form:focus-within{border-color:var(--border-focus);background:var(--bg-elevated);box-shadow:0 0 0 3px rgba(53,208,127,.06)}.chat-input{flex:1 1;background:transparent;border:none;outline:none;color:var(--text-primary);font-size:16px;font-family:var(--font-body);resize:none;height:24px;line-height:24px}.chat-input::placeholder{color:var(--text-muted)}.chat-submit{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--text-primary);color:var(--text-inverse);border:none;cursor:pointer;transition:all .15s ease;flex-shrink:0}.chat-submit:disabled{background:var(--border-subtle);color:var(--text-muted);cursor:not-allowed}.chat-submit:not(:disabled):hover{transform:scale(1.08)}.chat-submit.pro{background:var(--accent-pro);color:var(--text-inverse)}.chat-submit.pro:not(:disabled):hover{box-shadow:0 0 12px var(--accent-pro-glow)}.chat-footer{text-align:center;margin-top:.6rem;font-size:.68rem;color:var(--text-muted);display:flex;align-items:center;justify-content:center;gap:.3rem}.brand-link{color:var(--text-muted)!important;font-weight:500;transition:color .2s ease}.brand-link:hover{color:var(--text-secondary)!important}.footer-sep{color:var(--border-default);margin:0 .15rem}@media (max-width:640px){.chat-header{padding:0 .75rem}.header-left,.header-right{min-width:auto}.chat-main{padding:calc(var(--header-height) + 1rem) .75rem 9rem .75rem}.welcome-title{font-size:1.3rem}.suggestion-chips{gap:.4rem}.chip{font-size:.78rem;padding:6px 12px}}@media (prefers-color-scheme:light){:root{--bg-primary:#FAFBFC;--bg-secondary:#F3F4F6;--bg-surface:#FFFFFF;--bg-elevated:#F7F8FA;--border-subtle:#E5E7EB;--border-default:#D1D5DB;--border-focus:#B0B8C4;--text-primary:#111827;--text-secondary:#4B5563;--text-muted:#9CA3AF;--text-inverse:#FFFFFF;--accent-standard:#059669;--accent-standard-dim:rgba(5,150,105,0.08);--accent-pro:#CA8A04;--accent-pro-dim:rgba(202,138,4,0.08);--accent-pro-glow:rgba(202,138,4,0.12);--accent-error:#DC2626;--accent-error-bg:rgba(220,38,38,0.06);--glass-bg:rgba(255,255,255,0.85);--glass-border:rgba(0,0,0,0.06)}body:before{opacity:.015}.chat-input-wrapper{background:linear-gradient(to top,var(--bg-primary) 50%,rgba(250,251,252,0) 100%)}.chat-form:focus-within{box-shadow:0 0 0 3px 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p{color:var(--text-secondary);font-size:15px;line-height:1.65}.legal-inner ul{padding-left:20px;margin:8px 0;display:flex;flex-direction:column;gap:6px}.legal-inner a{color:var(--accent-standard);text-decoration:none}.legal-inner a:hover{text-decoration:underline}.legal-footer-note{margin-top:32px;padding-top:16px;border-top:1px solid var(--border-subtle)}.chat-footer-links{display:flex;gap:10px;align-items:center}.chat-footer-links a{color:var(--text-muted);text-decoration:none}.chat-footer-links a:hover{color:var(--text-secondary)}