:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--border:#d0d5dd;--bg-subtle:#f5f6f8;--danger-bg:#fdecea;--danger-border:#f5b4ac;--danger-text:#7a1f14;--warn-bg:#fff6e5;--warn-border:#f0c36d;--warn-text:#6b4b00;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}*{box-sizing:border-box}body{min-height:100vh;margin:0}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.chat-screen{grid-template-columns:280px 1fr;height:100vh;display:grid}.thread-list{border-right:1px solid var(--border);padding:1rem;overflow-y:auto}.thread-list ul{margin:1rem 0 0;padding:0;list-style:none}.thread-item{align-items:center;gap:.25rem;margin-bottom:.25rem;display:flex}.thread-select{text-align:left;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:6px;flex-direction:column;flex:1;gap:.15rem;padding:.5rem;display:flex}.thread-item.active .thread-select{background:var(--bg-subtle);border-color:var(--border)}.thread-title{font-size:.9rem;font-weight:600}.thread-retention{opacity:.7;font-size:.75rem}.new-thread{cursor:pointer;width:100%;padding:.5rem}.chat-main{flex-direction:column;padding:1rem;display:flex;overflow:hidden}.message-list{flex-direction:column;flex:1;gap:.75rem;margin:0;padding:0;list-style:none;display:flex;overflow-y:auto}.message{border:1px solid var(--border);border-radius:8px;max-width:70ch;padding:.5rem .75rem}.message-user{background:var(--bg-subtle);align-self:flex-end}.message-content{white-space:pre-wrap;word-break:break-word}.message-meta{opacity:.7;margin-bottom:.15rem;font-size:.75rem}.chat-composer{border-top:1px solid var(--border);flex-direction:column;gap:.5rem;margin-top:.75rem;padding-top:.75rem;display:flex}.chat-composer textarea{resize:vertical;width:100%;min-height:3.5rem;padding:.5rem}.model-picker select{padding:.35rem}.free-model-warning{background:var(--warn-bg);border:1px solid var(--warn-border);color:var(--warn-text);border-radius:6px;padding:.5rem;font-size:.85rem}.error-banner{background:var(--danger-bg);border:1px solid var(--danger-border);color:var(--danger-text);border-radius:6px;margin-bottom:.5rem;padding:.5rem .75rem}.error-title{margin:0;font-weight:600}.error-detail{margin:.25rem 0 0;font-size:.85rem}.empty-state{opacity:.7}.admin-layout{grid-template-columns:200px 1fr;min-height:100vh;display:grid}.admin-nav{border-right:1px solid var(--border);flex-direction:column;gap:.5rem;padding:1rem;display:flex}.admin-nav a[aria-current=page]{font-weight:700}.admin-main{max-width:60rem;padding:1rem 1.5rem}.admin-screen section{border:1px solid var(--border);border-radius:8px;margin-bottom:1rem;padding:.75rem 1rem}.admin-screen form{flex-wrap:wrap;align-items:end;gap:.5rem .75rem;margin-top:.5rem;display:flex}.admin-screen label{margin-bottom:.15rem;font-size:.85rem;display:block}.admin-screen fieldset{border:1px solid var(--border);border-radius:6px;margin-bottom:1rem}.admin-screen table{border-collapse:collapse;width:100%;margin-bottom:.5rem}.admin-screen th,.admin-screen td{text-align:left;border-bottom:1px solid var(--border);padding:.25rem .5rem;font-size:.9rem}.model-checklist{margin:.5rem 0;padding:0;list-style:none}.created-id code,.export-output{background:var(--bg-subtle);border-radius:4px;padding:.4rem .6rem;display:inline-block}.export-output{white-space:pre-wrap;word-break:break-word;max-height:20rem;display:block;overflow:auto}.confirm-action{border:1px solid var(--danger-border);background:var(--danger-bg);border-radius:6px;margin-top:.5rem;padding:.5rem .75rem}.inline-warning{color:var(--warn-text);background:var(--warn-bg);border:1px solid var(--warn-border);border-radius:6px;padding:.4rem .6rem;font-size:.85rem}