:root{--bg: #1f1e1d;--surface: #262624;--composer: #30302e;--text: #f5f4ef;--muted: #9b9a93;--border: #3b3a37;--border-strong: #4a4946;--accent: #d97757;--accent-hover: #e08a6b;--user-bubble: #30302e;--code-bg: #30302e;--serif: ui-serif, "Georgia", "Times New Roman", serif;--sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased}.app{height:100%;height:100dvh;display:flex;flex-direction:column}.sidebar-toggle{display:none;width:36px;height:36px;flex-shrink:0;border:1px solid var(--border-strong);border-radius:10px;background:transparent;color:var(--text);place-items:center;cursor:pointer;transition:.15s}.sidebar-toggle:hover{background:var(--surface)}.sidebar-backdrop{display:none}.topbar{display:flex;align-items:center;gap:14px;padding:12px 18px;flex-shrink:0}.brand{font-weight:600;font-size:15px;color:var(--muted)}.spacer{flex:1}.newchat{display:inline-flex;align-items:center;gap:7px;background:transparent;border:1px solid var(--border-strong);color:var(--text);border-radius:10px;padding:7px 12px;font-size:13px;font-weight:500;cursor:pointer;transition:.15s}.newchat:hover{background:var(--surface)}.home-wrap{flex:1;display:flex;align-items:center;justify-content:center;padding:24px 20px 12vh;overflow-y:auto}.home-inner{width:100%;max-width:720px;display:flex;flex-direction:column;align-items:center;text-align:center}.greeting{font-family:var(--serif);font-weight:400;font-size:clamp(30px,5vw,42px);letter-spacing:-.02em;color:var(--text);margin:18px 0 30px}.composer{width:100%;max-width:740px;margin:0 auto;padding:0 18px;flex-shrink:0}.composer.home{padding:0;max-width:720px}.composer:not(.home){padding-bottom:6px}.composer-box{background:var(--composer);border:1px solid var(--border-strong);border-radius:20px;padding:14px 16px 10px;box-shadow:0 2px 10px #00000040;transition:border-color .15s,box-shadow .15s}.composer-box:focus-within{border-color:var(--border-strong);box-shadow:0 4px 16px #0000004d}.composer textarea{width:100%;border:none;outline:none;background:transparent;resize:none;color:var(--text);font-family:inherit;font-size:16px;line-height:1.55;max-height:220px;padding:2px 2px 6px}.composer textarea::placeholder{color:#a3a299}.composer-row{display:flex;align-items:center;justify-content:space-between;margin-top:6px}.composer-left{display:flex;align-items:center;gap:8px;min-width:0}.attach-btn{width:34px;height:34px;flex-shrink:0;border:1px solid var(--border);border-radius:999px;background:transparent;color:var(--muted);display:grid;place-items:center;cursor:pointer;transition:.15s}.attach-btn:hover:not(:disabled){background:var(--surface);border-color:var(--border-strong);color:var(--text)}.attach-btn:disabled{opacity:.5;cursor:not-allowed}.attachments{display:flex;flex-wrap:wrap;gap:10px;padding:4px 2px 12px}.attach-thumb{position:relative;width:64px;height:64px;border-radius:12px;overflow:hidden;border:1px solid var(--border-strong)}.attach-thumb img{width:100%;height:100%;object-fit:cover;display:block}.attach-remove{position:absolute;top:3px;right:3px;width:20px;height:20px;border:none;border-radius:50%;background:#2b2a27c7;color:#fff;display:grid;place-items:center;cursor:pointer;padding:0}.attach-remove:hover{background:#2b2a27f2}.attach-file{position:relative;display:flex;align-items:center;gap:9px;max-width:220px;padding:9px 30px 9px 11px;border:1px solid var(--border-strong);border-radius:12px;background:var(--surface)}.attach-file .file-icon{width:30px;height:30px;flex-shrink:0;display:grid;place-items:center;border-radius:8px;background:var(--accent);color:#fff}.attach-file .file-meta{display:flex;flex-direction:column;min-width:0}.attach-file .file-name{font-size:13px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.attach-file .file-sub{font-size:11px;color:var(--muted)}.attach-remove.file{top:50%;right:6px;transform:translateY(-50%);width:18px;height:18px}.msg-files{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 10px}.msg-file-chip{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text);background:var(--surface);border:1px solid var(--border-strong);border-radius:999px;padding:6px 12px}.msg-file-chip svg{color:var(--accent);flex-shrink:0}.msg-images{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 10px}.msg-images img{max-width:260px;max-height:260px;border-radius:12px;border:1px solid var(--border);object-fit:cover}.msg.assistant .msg-images img{max-width:min(100%,512px);max-height:none;width:100%;height:auto;object-fit:contain}.model-menu{position:relative;max-width:75%}.model-pill{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--border);border-radius:999px;padding:6px 10px 6px 13px;background:transparent;color:var(--muted);cursor:pointer;max-width:100%;font-family:inherit;transition:.15s}.model-pill:hover:not(:disabled){background:var(--surface);border-color:var(--border-strong);color:var(--text)}.model-pill:disabled{opacity:.6;cursor:not-allowed}.model-name{font-size:13px;font-weight:500;text-transform:capitalize;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.model-pill .chevron{flex-shrink:0;transition:transform .18s}.model-pill .chevron.up{transform:rotate(180deg)}.model-pop{position:absolute;bottom:calc(100% + 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var(--border-strong);border-radius:10px;padding:9px 11px;color:var(--text);font-size:12.5px;font-family:inherit;outline:none}.share-copy{background:var(--accent);color:#fff;border:none;border-radius:10px;padding:0 14px;font-size:13px;font-weight:600;cursor:pointer;flex-shrink:0}.share-copy:hover{background:var(--accent-hover)}.share-off{margin-top:12px;background:none;border:none;color:#f0a08a;font-size:13px;font-family:inherit;cursor:pointer;padding:0}.shared-view{height:100%;height:100dvh;display:flex;flex-direction:column}.shared-view .chat{flex:1;overflow-y:auto;padding-top:24px}.shared-view .brand{display:flex;align-items:center;gap:8px;color:var(--text)}.shared-center{align-items:center;justify-content:center;gap:10px;text-align:center;color:var(--muted)}.shared-cta{margin-top:10px;background:var(--accent);color:#fff;text-decoration:none;border-radius:12px;padding:10px 18px;font-size:14px;font-weight:600}@media(max-width:640px){.sidebar-toggle{display:grid}.topbar{padding:10px 12px;gap:10px}.sidebar{position:fixed;top:0;left:0;bottom:0;width:80%;max-width:300px;z-index:60;transform:translate(-100%);transition:transform .22s ease;box-shadow:0 0 40px #00000080}.sidebar.open{transform:translate(0)}.sidebar-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:50;animation:fade .2s ease}@keyframes fade{0%{opacity:0}}.session-item{padding:11px 12px;font-size:14.5px}.session-del{opacity:1}.composer{padding:0 10px}.composer.home{padding:0}.thread{padding:0 12px;gap:20px}.msg.user .bubble{max-width:90%}.msg{gap:10px}.home-wrap{padding:16px 12px 8vh}.greeting{margin:14px 0 22px}.msg-images img{max-width:70vw}.share-pop{position:fixed;top:auto;bottom:12px;left:12px;right:12px;width:auto}.usermenu-pop{position:fixed;top:58px;right:12px}.usermenu-btn span:not(.usermenu-avatar){display:none}.usermenu-btn{padding:5px;border:none}.share-btn span{display:none}.share-btn{padding:7px 9px}.model-menu{max-width:60vw}}@media(max-width:380px){.brand{display:none}}