@font-face{font-family:Inter;font-style:normal;font-weight:300 700;font-display:swap;src:url('/fonts/inter-latin.woff2') format('woff2')}@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:400 700;font-display:swap;src:url('/fonts/spacegrotesk-latin.woff2') format('woff2')}:root{--font-sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;--font-display:'Space Grotesk','Inter',system-ui,sans-serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;--bg:#f7f7f9;--surface:#ffffff;--card:#ffffff;--border:#e5e5ea;--text:#17171c;--muted:#6a6a74;--accent:#6d5ce0;--accent-2:#5a4bc4;--primary:#c98a14;--danger:#d64545;--shadow:0 1px 3px rgba(20, 20, 30, .08);--radius:14px;--copy-bg:#e9e9ef;--copy-bg-hover:#dbdbe5;--header-h:60px;--sidebar-w:280px;--chat-max:1120px}[data-theme=dark]{--bg:#0b0b0e;--surface:#121216;--card:#17171c;--border:#26262d;--text:#f4f4f6;--muted:#9797a0;--accent:#8b7cf0;--accent-2:#a394f5;--primary:#f2b53d;--danger:#e06c6c;--shadow:0 1px 3px rgba(0, 0, 0, .35);--copy-bg:#232329;--copy-bg-hover:#31313c}*{box-sizing:border-box}body,html{height:100%}body{margin:0;font-family:var(--font-sans);background:var(--bg);color:var(--text);display:flex;flex-direction:column;-webkit-font-smoothing:antialiased}.brand-name,h1,h2,h3{font-family:var(--font-display)}.site-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:0 1.4rem;height:var(--header-h);background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:30}.brand{display:flex;align-items:center;gap:.6rem;color:var(--text);text-decoration:none}.brand-logo{width:30px;height:30px;color:var(--primary)}.brand-name{font-weight:700;font-size:1.25rem;letter-spacing:-.02em}.site-nav{display:flex;gap:.5rem;align-items:center}.icon-btn{border:1px solid var(--border);background:var(--card);color:var(--muted);width:40px;height:40px;border-radius:10px;cursor:pointer;display:grid;place-items:center;transition:color .15s,border-color .15s}.icon-btn:hover{color:var(--text);border-color:var(--accent)}.icon-btn svg{width:20px;height:20px}.icon-small{width:32px;height:32px;border-radius:8px}.user-chip{position:relative;display:inline-flex;align-items:center;gap:.3rem;background:var(--card);border:1px solid var(--border);border-radius:20px;padding:.2rem}.user-name{font-size:.9rem;font-weight:600;color:var(--text);max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-btn{display:inline-flex;align-items:center;gap:.2rem;background:0 0;border:none;padding:.15rem .2rem;cursor:pointer;color:var(--text)}.user-btn .mi{font-size:20px;color:var(--muted)}.user-avatar{width:1.75rem;height:1.75rem;border-radius:50%;object-fit:cover;flex-shrink:0}#user-avatar-ico,.user-avatar-ico{font-size:30px;color:var(--muted)}#user-avatar-ico[hidden],.user-avatar[hidden]{display:none}.user-menu{position:absolute;top:calc(100% + .4rem);right:0;min-width:190px;background:var(--card);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:.3rem;z-index:60;display:flex;flex-direction:column}.user-menu[hidden]{display:none}.user-menu-item{display:flex;align-items:center;gap:.5rem;width:100%;padding:.5rem .7rem;border:none;background:0 0;border-radius:8px;color:var(--text);font-size:.9rem;cursor:pointer;text-align:left}.user-menu-item:hover{background:var(--surface)}.user-menu-item .mi{font-size:20px;color:var(--muted)}.user-menu-item:hover .mi{color:var(--accent)}.mi{font-size:24px;line-height:1}.icon-btn .mi{font-size:22px}.site-footer{padding:.2rem .8rem .2rem;text-align:center;color:var(--muted);font-size:.68rem;border-top:1px solid var(--border);background:var(--bg);flex-shrink:0}.site-footer p{margin:0}.site-footer a{color:var(--accent);text-decoration:none}.site-footer a:hover{text-decoration:underline}.footer-credit{opacity:.9}.footer-credit b{font-weight:600;color:var(--text)}.login-box{flex:1;display:grid;place-items:center;padding:1rem}.login-box[hidden]{display:none}.login-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:2.2rem;width:100%;max-width:380px;text-align:center;box-shadow:var(--shadow)}.login-logo{width:64px;height:64px;color:var(--primary);margin:0 auto 1rem}.login-card h1{margin:0 0 .2rem;font-size:1.5rem}.login-sub{margin:0 0 1.4rem;color:var(--muted);font-size:.92rem}.login-card input{width:100%;margin-bottom:.6rem;border:1px solid var(--border);border-radius:12px;background:var(--surface);color:var(--text);padding:.7rem .9rem;font-family:inherit;font-size:1rem;outline:0}.login-card input:focus{border-color:var(--accent)}.pwd-wrap{position:relative}.pwd-wrap input{margin-bottom:0;padding-right:2.7rem}.login-card .pwd-wrap{margin-bottom:.6rem}.pwd-toggle{position:absolute;right:.35rem;top:50%;transform:translateY(-50%);border:0;background:0 0;padding:.35rem;display:flex;align-items:center;border-radius:8px;color:var(--muted);cursor:pointer}.pwd-toggle:hover{color:var(--text)}.pwd-toggle .mi{font-size:20px}.login-err{min-height:1.2em;margin:.2rem 0 .6rem;color:var(--danger);font-size:.85rem}.btn-ghost,.btn-primary{font-family:inherit;font-weight:600;font-size:.95rem;padding:.6rem 1.1rem;border-radius:12px;cursor:pointer;border:1px solid var(--border);background:0 0;color:var(--text);transition:border-color .15s,background .15s}.btn-ghost:hover{border-color:var(--accent)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-2)}.btn-primary:disabled{opacity:.45;cursor:default}.btn-block{width:100%}@media (max-width:900px){.footer-credit{display:none}}