:root{color-scheme:dark;--paper:#181a19;--surface:#222523;--ink:#edf0ec;--muted:#b3bcb5;--line:#768179;--divider:#3b433e;--accent:#476d57;--accent-hover:#527b63;--on-accent:#ffffff;--highlight:#a9c7b3;--wash:#2b3930;--error:#f0aaa1;--disabled:#343b36}
::selection{background:var(--highlight);color:var(--paper)}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.55 "Segoe UI",Arial,sans-serif}
.shell{width:min(100%,680px);min-height:100svh;margin:auto;padding:80px 32px 28px;display:flex;flex-direction:column}
main{flex:1;min-width:0}
h1{font-size:clamp(27px,4.6vw,34px);line-height:1.18;letter-spacing:-.025em;font-weight:650;margin:0 0 18px}
h2{font-size:18px;line-height:1.4;margin:28px 0 10px}
p{margin:0 0 24px}
#intro{color:var(--muted);max-width:560px;margin-bottom:28px}
textarea,input,select{font:inherit;color:inherit;border:1px solid var(--line);border-radius:5px;background:var(--surface);padding:14px;max-width:100%;caret-color:var(--highlight)}
textarea{display:block;width:100%;resize:vertical;min-height:180px;line-height:1.5}
textarea::placeholder,input::placeholder{color:var(--muted);opacity:1}
button,summary{font:600 16px/1.4 "Segoe UI",Arial,sans-serif;cursor:pointer;min-height:44px;min-width:44px}
button{border:1px solid var(--line);border-radius:5px;padding:12px 18px;background:var(--accent);color:var(--on-accent);max-width:100%}
button:hover:not(:disabled){background:var(--accent-hover)}
button:disabled{background:var(--disabled);color:var(--muted);border-color:var(--line);cursor:wait}
button.secondary{background:transparent;color:var(--ink);border-color:var(--line)}
button.quiet{background:transparent;color:var(--muted);border-color:transparent;padding:12px 18px;text-decoration:underline;text-underline-offset:4px}
button.inline{background:var(--wash);color:var(--highlight);border-color:transparent;padding:8px 10px;text-decoration:underline;text-underline-offset:3px}
button.secondary:hover:not(:disabled),button.quiet:hover:not(:disabled),button.inline:hover:not(:disabled){background:var(--wash);color:var(--ink)}
button:active:not(:disabled){background:var(--accent);color:var(--on-accent)}
summary:hover{color:var(--ink)}
textarea:hover,input:hover,select:hover{border-color:var(--highlight)}
textarea:disabled,input:disabled,select:disabled{background:var(--disabled);color:var(--muted)}
.primary-action{margin-top:20px}
#request-entry-row{margin-top:30px}
.ttl-row{display:flex;align-items:center;flex-wrap:wrap;gap:4px 7px;margin-top:14px;font-size:16px}
.ttl-row input{width:88px;min-height:44px;padding:8px 10px}
.ttl-row small{flex-basis:100%;color:var(--error);font-size:14px}
[aria-invalid="true"],[aria-invalid="true"]:hover{border-color:var(--error)}
.buttons{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 0}
.note{color:var(--muted);font-size:15px;margin-top:14px}
.link{font:18px/1.6 ui-monospace,"Cascadia Mono",Consolas,monospace;overflow-wrap:anywhere;white-space:pre-wrap;user-select:all;margin:22px 0 20px;padding:14px;border-block:1px solid var(--line)}
textarea.link{min-height:0;resize:none;border-inline:0;border-radius:0;background:transparent}
#private-hint{font-size:16px;margin:36px 0 0}
#private-hint strong{display:block}
#open-read{display:block;margin-top:10px}
pre{font:17px/1.65 ui-monospace,"Cascadia Mono",Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;margin:0 0 28px}
#revealed{background:var(--surface);padding:14px}
#message{font-size:16px;margin:18px 0 0}
#message:empty,#agent-message:empty{display:none}
footer{margin-top:64px;border-top:1px solid var(--divider);padding-top:12px;color:var(--muted)}
summary{display:list-item;width:fit-content;padding:12px 0;color:var(--muted)}
#agent p{font-size:15px;margin:14px 0}
.mcp-url{display:block;width:100%;margin:12px 0;font:15px/1.5 ui-monospace,Consolas,monospace;min-height:48px}
:focus-visible{outline:3px solid var(--highlight);outline-offset:4px}
h1:focus,pre:focus{outline:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
[hidden]{display:none!important}
@media(max-width:480px){.shell{padding:40px 22px 20px}h1{max-width:330px}.buttons{gap:10px}.link{font-size:16px}footer{margin-top:48px}}