:root{color-scheme:dark;--bg:#101827;--panel:#182235;--panel2:#202d44;--line:#2c3c59;--text:#f2f6ff;--muted:#9badc8;--accent:#71e6c8}*{box-sizing:border-box}html,body{height:100%}body{margin:0;overflow:hidden;color:var(--text);background:radial-gradient(circle at 8% 0,#25436d 0,transparent 34%),var(--bg);font:15px/1.55 "Segoe UI",system-ui,sans-serif}main{width:min(1280px,100%);height:100dvh;margin:auto;display:grid;grid-template-rows:auto minmax(0,1fr) auto}header{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 24px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;color:#052820;background:var(--accent);font-weight:800}h1{margin:0;font-size:20px;letter-spacing:-.02em}.eyebrow{display:block;margin-top:1px;color:var(--muted);font-size:11px}.status{padding:6px 10px;border:1px solid var(--line);border-radius:99px;color:var(--muted);font-size:12px}.site-link{text-decoration:none}.site-link:hover{color:var(--accent);border-color:#4d9f99}.workspace{min-height:0;display:grid;grid-template-columns:260px minmax(0,1fr)}.history{min-height:0;overflow-y:auto;padding:16px 12px;border-right:1px solid var(--line);background:rgba(12,18,30,.28)}button,textarea{font:inherit}.new-chat,.rename-chat{width:100%;min-height:40px;border-radius:9px;cursor:pointer;font-weight:650}.new-chat{border:1px solid var(--line);color:var(--text);background:var(--panel2)}.rename-chat{margin-top:8px;border:1px solid transparent;color:var(--muted);background:transparent;font-size:12px}.rename-chat:hover,.chat-item:hover{background:#21324d;color:var(--text)}.history-label{margin:22px 8px 8px;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em}.chat-list{display:grid;gap:4px}.chat-item{min-height:0;width:100%;padding:10px;border:1px solid transparent;border-radius:8px;overflow:hidden;color:var(--muted);background:transparent;text-align:left;text-overflow:ellipsis;white-space:nowrap;cursor:pointer}.chat-item.active{border-color:#317178;color:var(--text);background:#19434e}#messages{min-height:0;overflow-y:auto;padding:36px max(28px,8%);scroll-behavior:smooth;overscroll-behavior:contain}.message{max-width:860px;margin:0 auto 18px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;white-space:pre-wrap}.captain{background:var(--panel)}.user{margin-left:auto;background:#174555;border-color:#2e7180}.streaming::after{content:"▋";margin-left:3px;color:var(--accent);animation:blink .8s steps(1) infinite}@keyframes blink{50%{opacity:0}}#composer{display:grid;grid-template-columns:minmax(0,860px) auto;justify-content:center;gap:10px;padding:16px max(24px,8%) 24px;border-top:1px solid var(--line);background:linear-gradient(transparent,#101827)}textarea{min-height:50px;max-height:220px;resize:none;overflow-y:hidden;padding:13px 14px;border:1px solid var(--line);border-radius:12px;color:var(--text);background:var(--panel);line-height:1.5;outline:none}textarea:focus{border-color:#4d9f99;box-shadow:0 0 0 3px #4d9f9928}#send{min-height:50px;padding:0 18px;border:0;border-radius:12px;color:#06251f;background:var(--accent);cursor:pointer;font-weight:750}#send:disabled{opacity:.55;cursor:wait}.sources{margin:14px 0 0;padding:12px 0 0 24px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}.sources a{color:var(--accent)}@media(max-width:700px){.workspace{grid-template-columns:1fr}.history{display:none}header{padding:14px 16px}#messages{padding:24px 16px}#composer{padding:14px 16px 18px}.message{max-width:100%}}
:root{color-scheme:dark;--bg:#101827;--panel:#182235;--panel2:#202d44;--line:#2c3c59;--text:#f2f6ff;--muted:#9badc8;--accent:#71e6c8}*{box-sizing:border-box}html,body{height:100%}body{margin:0;overflow:hidden;color:var(--text);background:radial-gradient(circle at 8% 0,#25436d 0,transparent 34%),var(--bg);font:15px/1.55 "Segoe UI",system-ui,sans-serif}main{width:min(1280px,100%);height:100dvh;margin:auto;display:grid;grid-template-rows:auto minmax(0,1fr) auto}header{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 24px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;color:#052820;background:var(--accent);font-weight:800}h1{margin:0;font-size:20px;letter-spacing:-.02em}.eyebrow{display:block;margin-top:1px;color:var(--muted);font-size:11px}.status{padding:6px 10px;border:1px solid var(--line);border-radius:99px;color:var(--muted);font-size:12px}.site-link{text-decoration:none}.site-link:hover{color:var(--accent);border-color:#4d9f99}.workspace{min-height:0;display:grid;grid-template-columns:260px minmax(0,1fr)}.history{min-height:0;overflow-y:auto;padding:16px 12px;border-right:1px solid var(--line);background:rgba(12,18,30,.28)}button,textarea{font:inherit}.new-chat,.rename-chat{width:100%;min-height:40px;border-radius:9px;cursor:pointer;font-weight:650}.new-chat{border:1px solid var(--line);color:var(--text);background:var(--panel2)}.rename-chat{margin-top:8px;border:1px solid transparent;color:var(--muted);background:transparent;font-size:12px}.rename-chat:hover,.chat-item:hover{background:#21324d;color:var(--text)}.history-label{margin:22px 8px 8px;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em}.chat-list{display:grid;gap:4px}.chat-item{min-height:0;width:100%;padding:10px;border:1px solid transparent;border-radius:8px;overflow:hidden;color:var(--muted);background:transparent;text-align:left;text-overflow:ellipsis;white-space:nowrap;cursor:pointer}.chat-item.active{border-color:#317178;color:var(--text);background:#19434e}#messages{min-height:0;overflow-y:auto;padding:36px max(28px,8%);scroll-behavior:smooth;overscroll-behavior:contain}.message{max-width:860px;margin:0 auto 18px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;white-space:pre-wrap}.captain{background:var(--panel)}.user{margin-left:auto;background:#174555;border-color:#2e7180}.streaming::after{content:"▋";margin-left:3px;color:var(--accent);animation:blink .8s steps(1) infinite}@keyframes blink{50%{opacity:0}}#composer{display:grid;grid-template-columns:minmax(0,860px) auto;justify-content:center;gap:10px;padding:16px max(24px,8%) 24px;border-top:1px solid var(--line);background:linear-gradient(transparent,#101827)}textarea{min-height:50px;max-height:220px;resize:none;overflow-y:hidden;padding:13px 14px;border:1px solid var(--line);border-radius:12px;color:var(--text);background:var(--panel);line-height:1.5;outline:none}textarea:focus{border-color:#4d9f99;box-shadow:0 0 0 3px #4d9f9928}#send{min-height:50px;padding:0 18px;border:0;border-radius:12px;color:#06251f;background:var(--accent);cursor:pointer;font-weight:750}#send:disabled{opacity:.55;cursor:wait}.sources{margin:14px 0 0;padding:12px 0 0 24px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}.sources a{color:var(--accent)}dialog{width:min(620px,calc(100% - 32px));border:1px solid var(--line);border-radius:14px;color:var(--text);background:var(--panel);box-shadow:0 24px 80px #0009}dialog::backdrop{background:#020713aa}dialog h2{margin:0 0 4px}dialog p,dialog label{color:var(--muted)}dialog label{display:block;margin-top:20px;font-size:13px}dialog textarea{width:100%;margin-top:7px;resize:vertical}.settings-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.settings-actions button{min-height:40px;padding:0 16px;border:0;border-radius:9px;color:#06251f;background:var(--accent);font-weight:700;cursor:pointer}.settings-actions .cancel-settings{color:var(--text);background:var(--panel2);border:1px solid var(--line)}.danger-zone{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:24px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.danger-zone button,.chat-menu button{min-height:34px;padding:0 11px;border:1px solid #8e404b;border-radius:8px;color:#ffb5bb;background:#43222c;cursor:pointer}.chat-menu{position:fixed;z-index:5;padding:5px;border:1px solid var(--line);border-radius:9px;background:var(--panel2);box-shadow:0 14px 35px #0008}.chat-menu button{border:0;background:transparent;color:#ffb5bb}@media(max-width:700px){.workspace{grid-template-columns:1fr}.history{display:none}header{padding:14px 16px}#messages{padding:24px 16px}#composer{padding:14px 16px 18px}.message{max-width:100%}}