:root { color-scheme: light dark; --bg:#fafafa; --fg:#1b1b1b; --panel:#fff; --bar:#222; --barfg:#eee; --line:#d0d0d0; --accent:#2f6fed; --warn:#fff3cd; --warnfg:#5c4400; }
@media (prefers-color-scheme: dark) {
  :root { --bg:#141414; --fg:#e6e6e6; --panel:#1b1b1b; --bar:#0c0c0c; --barfg:#ddd; --line:#333; --accent:#6a9bff; --warn:#3b3000; --warnfg:#ffe28a; }
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--fg); font: 16px/1.4 system-ui, sans-serif; display: flex; flex-direction: column; }
header { display: flex; gap: 12px; align-items: center; padding: 8px 14px; background: var(--bar); color: var(--barfg); font-size: 14px; }
header .name { flex: 1; font-weight: 600; font-family: ui-monospace, monospace; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
header .status { opacity: .75; }
button { cursor: pointer; font: inherit; padding: 6px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); color: var(--fg); }
header button { padding: 3px 10px; font-size: 13px; }
.banner { padding: 8px 14px; background: var(--warn); color: var(--warnfg); font-size: 14px; }
textarea { flex: 1; width: 100%; border: 0; outline: 0; resize: none; padding: 16px; background: var(--panel); color: var(--fg); font: 15px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; tab-size: 4; }
textarea[readonly] { opacity: .8; }
.card { margin: auto; width: min(92vw, 360px); display: flex; flex-direction: column; gap: 10px; }
.card h1 { margin: 0; font: 600 20px ui-monospace, monospace; word-break: break-all; }
form { display: flex; flex-direction: column; gap: 8px; }
#go { flex-direction: row; }
#go input { flex: 1; }
input { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); color: var(--fg); }
.card button, dialog button:last-child { background: var(--accent); border-color: var(--accent); color: #fff; }
.hint { margin: 0; opacity: .75; font-size: 14px; }
.msg { margin: 0; min-height: 1.2em; color: #d33; font-size: 14px; }
dialog { border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--fg); width: min(92vw, 340px); }
dialog::backdrop { background: rgba(0,0,0,.45); }
dialog .row { display: flex; gap: 8px; justify-content: flex-end; }