/* Research chat: quiet reading space and one compact composer. */
.codex-dialog{--chat-line:var(--line,#ffffff14);--chat-surface:var(--panel,#101620);color:var(--text);background:var(--bg2,#0b0f16);border:1px solid var(--line2,#293344);border-radius:20px;padding:0;width:min(1240px,96vw);height:min(920px,94dvh);max-width:none;max-height:none;overflow:hidden;box-shadow:0 32px 110px #0008;font:14px/1.5 var(--sans,system-ui,sans-serif)}
.codex-dialog::backdrop{background:#03060ab3;backdrop-filter:blur(8px)}.codex-dialog[open]{display:flex;flex-direction:column}.codex-dialog button{cursor:pointer;transition:background .15s,border-color .15s,color .15s}.codex-dialog button:disabled{cursor:default;opacity:.35}.codex-dialog svg{width:20px;height:20px;flex:none}
.codex-dialog{resize:both;min-width:min(720px,96vw);min-height:min(420px,94dvh);max-width:96vw;max-height:94dvh}
.codex-dialog:after{content:'';position:absolute;right:5px;bottom:5px;width:12px;height:12px;background:repeating-linear-gradient(135deg,transparent 0 3px,var(--muted) 3px 4px);clip-path:polygon(100% 0,100% 100%,0 100%);pointer-events:none;opacity:.7}
@media(max-width:700px){.codex-dialog{resize:none;min-width:0;min-height:0;max-width:100vw;width:100vw!important;height:100dvh!important}.codex-dialog:after{display:none}}
.codex-dialog select,.codex-dialog input,.codex-dialog textarea{font:inherit;color:inherit;background:var(--chat-surface);border:1px solid var(--chat-line);border-radius:10px;padding:10px 12px;min-width:0}.codex-dialog select{max-width:100%;text-overflow:ellipsis}.codex-dialog :focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.codex-dialog .secondary-btn{border:1px solid var(--chat-line);border-radius:9px;padding:8px 12px;background:transparent;color:var(--muted);font-size:12px;white-space:nowrap}.codex-dialog .secondary-btn:hover:not(:disabled){background:var(--hover);color:var(--text)}.codex-dialog .codex-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;min-width:36px;padding:0;border:0;border-radius:10px;flex-shrink:0}.codex-dialog .primary-btn{background:var(--accent);color:var(--accent-ink);border:0;font-weight:600}.codex-dialog .primary-btn:hover:not(:disabled){filter:brightness(1.08)}
.codex-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;border-bottom:1px solid var(--chat-line);flex:none}.codex-brand,.codex-head-actions{display:flex;align-items:center;gap:12px}.codex-mark{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--chat-line);border-radius:10px;color:var(--accent);background:var(--soft)}.codex-head h2{font-size:17px;font-weight:600;letter-spacing:-.4px;margin:0}
.codex-connection-toggle{display:flex;align-items:center;gap:6px;padding:7px 10px;border:1px solid var(--chat-line);border-radius:20px;background:transparent;color:var(--muted);font-size:11px}.codex-connection-toggle>svg{width:13px;height:13px}#codex-status{display:flex;align-items:center;gap:7px;white-space:nowrap}#codex-status:before{content:'';width:6px;height:6px;border-radius:50%;background:var(--muted);flex:none}#codex-status[data-online=true]:before{background:var(--up);box-shadow:0 0 0 3px #46dfa910}
.codex-connection{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px 22px;border-bottom:1px solid var(--chat-line);background:var(--chat-surface);font-size:12px}.codex-connection label{color:var(--muted)}.codex-connection select{max-width:220px;padding:7px 10px}.codex-connection small{color:var(--muted);margin-left:auto;font-size:11px}
.codex-layout{display:grid;grid-template-columns:280px minmax(0,1fr);flex:1;min-height:0}.codex-sidebar{padding:24px 14px;overflow:auto;border-right:1px solid var(--chat-line);background:var(--soft)}.codex-sidebar>label{display:block;font-size:12px;font-weight:500;color:var(--muted);margin:0 10px 9px}.codex-sidebar select{width:calc(100% - 12px);margin:0 6px 26px;font-size:13px;background:var(--bg2)}.codex-sidebar-label{margin:0 10px 10px;font-size:9px;font-weight:600;letter-spacing:1.4px;color:var(--muted2)}.codex-list{display:flex;flex-direction:column;gap:3px}
.codex-thread{text-align:left;position:relative;background:transparent;color:var(--muted);border:1px solid transparent;border-radius:9px;padding:12px 14px;font:inherit;font-size:12px;line-height:1.6}.codex-thread:hover{background:var(--hover);color:var(--text)}.codex-thread[data-active=true]{background:var(--chat-surface);border-color:var(--chat-line);color:var(--text)}.codex-thread[data-active=true]:before{content:'';position:absolute;left:0;top:14px;bottom:14px;width:2px;border-radius:2px;background:var(--accent)}.codex-sidebar>[data-act=more-chats]{margin:16px 10px}
.codex-chat{display:flex;flex-direction:column;min-width:0;min-height:0}.codex-chat-head{display:flex;align-items:center;gap:10px;min-height:66px;padding:14px 28px;border-bottom:1px solid var(--chat-line);flex:none}.codex-chat-heading{flex:1;min-width:0}.codex-chat-head h3{font-size:13px;font-weight:500;line-height:1.5;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#codex-working{display:block;font-size:10px;color:var(--muted);margin-top:3px}#codex-working:empty{display:none}
.codex-messages{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:30px max(28px,calc((100% - 730px)/2));scrollbar-width:thin}.codex-message{font-size:14px;line-height:1.8;margin:0 0 30px;overflow-wrap:anywhere}.codex-message>b{display:block;color:var(--muted);font-size:10px;font-weight:500;letter-spacing:.3px;margin-bottom:10px}.codex-message.user{width:fit-content;max-width:88%;margin-left:auto;padding:12px 18px;border-radius:16px 16px 4px 16px;background:var(--chat-surface);border:1px solid var(--chat-line)}.codex-message.user>b{display:none}
.codex-message-text p{margin:0 0 14px}.codex-message-text>:last-child{margin-bottom:0}.codex-message-text h1,.codex-message-text h2,.codex-message-text h3{font-size:16px;line-height:1.5;letter-spacing:-.2px;margin:24px 0 10px}.codex-message-text h1:first-child,.codex-message-text h2:first-child,.codex-message-text h3:first-child{margin-top:0}.codex-message-text pre{overflow:auto;background:var(--chat-surface);border:1px solid var(--chat-line);padding:16px;border-radius:10px;font-size:12px}.codex-message-text table{border-collapse:separate;border-spacing:0;display:block;overflow:auto;max-width:100%;font-size:12px;margin:16px 0 20px}.codex-message-text th,.codex-message-text td{padding:10px 14px;border-bottom:1px solid var(--chat-line);text-align:left;vertical-align:top;line-height:1.6}.codex-message-text th{background:var(--chat-surface);font-weight:500;color:var(--muted)}.codex-message-text a{color:var(--accent);text-underline-offset:3px}.codex-message-text blockquote{margin:16px 0;padding:0 16px;border-left:2px solid var(--accent);color:var(--muted)}.codex-empty{color:var(--muted);font-size:13px;line-height:1.8;padding:14px}.codex-messages>.codex-empty{text-align:center;max-width:340px;margin:15vh auto 0}
#codex-compose{padding:12px 28px 16px;flex:none}.codex-compose-card{background:var(--chat-surface);border:1px solid var(--line2);border-radius:16px;box-shadow:0 4px 22px #0000000a;transition:border-color .2s;overflow:hidden}.codex-compose-card:focus-within{border-color:color-mix(in srgb,var(--accent) 45%,var(--line2));box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 5%,transparent)}#codex-message{display:block;width:100%;min-height:76px;max-height:180px;resize:none;border:0;background:transparent;border-radius:0;padding:16px 18px 8px;box-sizing:border-box;font-size:14px;line-height:1.6;outline:0}#codex-message::placeholder{color:var(--muted2)}
.codex-compose-actions{display:flex;align-items:center;gap:6px;padding:8px 10px 10px}.codex-settings{display:flex;align-items:center;gap:2px;flex:1;min-width:0}.codex-settings label{min-width:0;max-width:190px}.codex-settings select{font-size:11px;background:transparent;border-color:transparent;border-radius:7px;padding:7px 5px;color:var(--muted);width:100%}.codex-settings select:hover:not(:disabled){background:var(--hover);color:var(--text)}.codex-settings option{background:var(--chat-surface);color:var(--text)}#codex-effort{max-width:135px}.codex-compose-actions [data-act=stop]:disabled{display:none}.codex-compose-note{margin:9px 0 0;color:var(--muted2);font-size:10px;text-align:center;letter-spacing:.1px}.codex-compose-note span{padding:0 6px}
.codex-attachments{display:flex;gap:10px;overflow-x:auto;padding:14px 16px 0}.codex-attachments:empty{display:none}.codex-attachment{position:relative;flex:none;width:66px;height:60px}.codex-attachment img{width:100%;height:100%;object-fit:cover;border:1px solid var(--line2);border-radius:8px;background:var(--bg)}.codex-attachment button{position:absolute;right:-5px;top:-5px;display:grid;place-items:center;width:22px;height:22px;padding:0;border:1px solid var(--line2);border-radius:50%;background:var(--panel2);color:var(--text);box-shadow:0 2px 6px #0004}.codex-attachment button svg{width:12px;height:12px}
.codex-error{margin:0;padding:11px 24px;color:var(--dn);background:color-mix(in srgb,var(--dn) 7%,transparent);font-size:12px;line-height:1.6;max-height:95px;overflow:auto;flex:none}.codex-error[data-kind=success]{color:var(--up);background:color-mix(in srgb,var(--up) 7%,transparent)}.codex-pair{padding:18px 24px;display:flex;gap:12px;flex-wrap:wrap;align-items:end;border-bottom:1px solid var(--chat-line)}.codex-pair label{display:flex;flex-direction:column;gap:6px;font-size:12px}.codex-pair p{flex-basis:100%;font-size:12px;color:var(--muted);margin:0}.codex-pair .primary-btn{padding:10px 16px;border-radius:8px}.codex-prompts{max-height:35%;overflow:auto;flex:none}.codex-prompts:empty{display:none}.codex-prompt{padding:16px 24px;border-top:1px solid var(--chat-line);background:var(--soft);font-size:12px}.codex-prompt label{display:block;margin:10px 0}.codex-prompt input{display:block;width:100%;margin-top:7px}.codex-prompt pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:11px}.codex-prompt button{margin:6px 8px 0 0;padding:8px 12px;border-radius:8px}.codex-chat>[data-act=older]{align-self:center;font-size:10px;border:0;padding:5px 12px;margin:0 0 4px}.codex-dialog .codex-back{display:none}.codex-dialog .hidden{display:none!important}
@media(max-width:700px){
.codex-dialog{width:100vw;height:100dvh;max-height:100dvh;border:0;border-radius:0;margin:0}.codex-head{padding:12px 14px;gap:8px}.codex-brand{gap:9px}.codex-mark{width:28px;height:28px;border-radius:8px}.codex-mark svg{width:17px;height:17px}.codex-head h2{font-size:15px}.codex-head-actions{gap:5px}.codex-connection-toggle{font-size:10px;padding:6px 8px}.codex-head [data-act=close]{width:30px;min-width:30px;height:30px}.codex-connection{padding:12px 16px;gap:8px}.codex-connection small{flex-basis:100%;margin:0}.codex-connection select{flex:1;max-width:none}
.codex-layout{display:block;overflow:hidden}.codex-sidebar{height:100%;border:0;padding:22px 16px}.codex-sidebar select{font-size:15px}.codex-thread{font-size:14px;padding:14px}.codex-chat{display:none;height:100%}.codex-show-chat .codex-sidebar{display:none}.codex-show-chat .codex-chat{display:flex}.codex-dialog .codex-back{display:inline-flex}.codex-chat-head{min-height:58px;padding:10px 12px;gap:7px}.codex-chat-head h3{font-size:12px;white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.codex-chat-head .codex-icon-btn{width:32px;min-width:32px;height:36px}.codex-messages{padding:24px 20px}.codex-message{font-size:14px;line-height:1.75;margin-bottom:26px}.codex-message.user{max-width:92%;padding:10px 14px}.codex-message-text th,.codex-message-text td{padding:8px 10px}
#codex-compose{padding:8px 12px max(10px,env(safe-area-inset-bottom))}.codex-compose-card{border-radius:15px}#codex-message{font-size:16px;min-height:72px;padding:13px 14px 5px}.codex-compose-actions{gap:3px;padding:5px 7px 8px}.codex-settings{gap:0}.codex-settings label:first-child{flex:1;max-width:155px}.codex-settings label:last-child{max-width:98px}.codex-settings select{font-size:10px;padding:7px 2px}.codex-compose-actions .codex-icon-btn{width:34px;min-width:34px;height:34px}.codex-compose-note{font-size:9px;margin-top:7px}.codex-error{padding:9px 16px;font-size:11px}.codex-pair{padding:14px 16px}
}
#codex-compose{width:min(100%,790px);align-self:center}.codex-chat{position:relative}.codex-dragging .codex-chat:after{content:'Drop images to attach';position:absolute;inset:12px;z-index:2;display:grid;place-items:center;border:1px dashed var(--accent);border-radius:14px;color:var(--accent);background:color-mix(in srgb,var(--bg2) 93%,transparent);font-size:16px;pointer-events:none}
.codex-welcome{max-width:330px;margin:clamp(40px,13vh,150px) auto 0;text-align:center}.codex-welcome-mark{display:grid;place-items:center;width:50px;height:50px;border:1px solid var(--chat-line);border-radius:15px;color:var(--accent);background:var(--soft);margin:0 auto 20px}.codex-welcome-mark svg{width:25px;height:25px}.codex-welcome h3{font-size:20px;font-weight:500;letter-spacing:-.6px;margin:0 0 10px}.codex-welcome p{font-size:13px;line-height:1.8;color:var(--muted);margin:0}
@media(max-width:700px){.codex-settings select{font-size:11px}.codex-settings label:last-child{max-width:100px}}
@media(prefers-reduced-motion:reduce){.codex-dialog *{transition:none!important}}

.codex-workspace-actions{display:flex;align-items:center;gap:8px;margin:12px 0 4px}.codex-workspace-actions .primary-btn,.codex-workspace-actions .secondary-btn{flex:0 0 auto;width:auto;min-height:32px;padding:6px 11px;border-radius:8px;font-size:12px;line-height:18px;font-weight:500}.codex-workspace-actions .primary-btn{background:var(--soft);color:var(--accent);border:1px solid var(--chat-line)}#codex-connection-help:empty{display:none}