:root {
  --bg: #111418; --panel: #1a1f26; --panel2: #222933; --text: #e8ecf1; --muted: #8b96a5; --line: #2c3440;
  --accent: #4f8cff; --accent-text: #fff; --ok: #3fb97f; --warn: #f0b44c; --danger: #e5534b; --me: #2a4a7f;
  --radius: 14px; --gutter: 16px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f5f6f8; --panel: #fff; --panel2: #eef1f5; --text: #15191f; --muted: #5d6877; --line: #dde2e9;
    --me: #d9e6ff; color-scheme: light; }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
[hidden] { display: none !important; }
button { font: inherit; color: inherit; background: var(--panel2); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 14px; cursor: pointer; }
button.primary { background: var(--accent); color: var(--accent-text); border-color: transparent; }
button.danger { background: var(--danger); color: #fff; border-color: transparent; }
button.big { width: 100%; padding: 16px; font-size: 18px; border-radius: var(--radius); margin-top: 12px; }
button.small { padding: 6px 12px; font-size: 14px; }
button:disabled { opacity: .5; }
input, textarea { font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 12px; width: 100%; }
.muted { color: var(--muted); }
.error { color: var(--danger); min-height: 1.4em; }

.screen { height: 100%; }
#signin { display: grid; place-items: center; padding: var(--gutter); }
.signin-box { width: 100%; max-width: 380px; text-align: center; }
.signin-box h1 { font-size: 40px; margin: 0 0 8px; }
.signin-box label { display: block; text-align: left; margin: 16px 0 6px; color: var(--muted); }

#main { display: flex; flex-direction: column; height: 100dvh; }
header { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: calc(env(safe-area-inset-top) + 10px) var(--gutter) 10px; border-bottom: 1px solid var(--line); background: var(--panel); }
.title { font-weight: 700; font-size: 20px; display: flex; align-items: center; gap: 10px; }
.hdr-actions { display: flex; gap: 8px; }
.pill { font-size: 13px; font-weight: 500; padding: 3px 10px; border-radius: 99px; background: var(--panel2); color: var(--muted); }
.pill.busy { color: var(--accent); }
.pill.wait { color: #111; background: var(--warn); }
#menu { position: absolute; right: var(--gutter); top: 100%; z-index: 5; display: flex; flex-direction: column; gap: 6px;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px; min-width: 220px; }
#menu button { text-align: left; }
.conn { background: var(--warn); color: #111; text-align: center; font-size: 14px; padding: 4px; }

#log { flex: 1; overflow-y: auto; padding: 12px var(--gutter); display: flex; flex-direction: column; gap: 8px; }
.msg { max-width: 88%; padding: 10px 14px; border-radius: var(--radius); white-space: pre-wrap; overflow-wrap: anywhere; }
.msg.me { align-self: flex-end; background: var(--me); }
.msg.bot { align-self: flex-start; background: var(--panel); border: 1px solid var(--line); }
.msg.note { align-self: flex-start; color: var(--muted); font-size: 14px; padding: 2px 4px; }
.msg.err { align-self: stretch; color: var(--danger); font-size: 14px; }
.msg code, .msg pre { font-family: ui-monospace, "Cascadia Mono", Menlo, monospace; font-size: 13px; }
.msg pre { background: var(--panel2); padding: 8px; border-radius: 8px; overflow-x: auto; white-space: pre; }
.divider { text-align: center; color: var(--muted); font-size: 13px; margin: 8px 0; }

.tool { align-self: stretch; font-size: 14px; background: var(--panel2); border-radius: 10px; border: 1px solid var(--line); }
.tool summary { padding: 8px 12px; cursor: pointer; list-style: none; display: flex; gap: 8px; align-items: baseline; }
.tool summary::-webkit-details-marker { display: none; }
.tool .name { font-weight: 600; }
.tool .arg { color: var(--muted); font-family: ui-monospace, Menlo, monospace; font-size: 12px; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; flex: 1; min-width: 0; }
.tool .badge { font-size: 12px; border-radius: 99px; padding: 1px 8px; background: var(--panel); color: var(--muted); white-space: nowrap; }
.tool .badge.ok { color: var(--ok); } .tool .badge.bad { color: var(--danger); } .tool .badge.gate { color: var(--warn); }
.tool pre { margin: 0; padding: 8px 12px 12px; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 12px;
  max-height: 320px; overflow-y: auto; border-top: 1px solid var(--line); }

#approvals { display: flex; flex-direction: column; gap: 8px; padding: 0 var(--gutter); }
.card { border: 2px solid var(--warn); background: var(--panel); border-radius: var(--radius); padding: 14px; margin-top: 8px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card .what { font-family: ui-monospace, Menlo, monospace; font-size: 13px; background: var(--panel2); border-radius: 8px;
  padding: 8px; white-space: pre-wrap; overflow-wrap: anywhere; max-height: 160px; overflow-y: auto; }
.card .why { margin: 8px 0; font-size: 14px; color: var(--muted); }
.card .buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 10px; }
.card .buttons button { padding: 14px; font-size: 17px; }
.card .buttons .always { grid-column: 1 / -1; font-size: 15px; }
.card .expires { font-size: 12px; color: var(--muted); margin-top: 6px; }

#composer { display: flex; gap: 8px; padding: 10px var(--gutter) calc(env(safe-area-inset-bottom) + 10px);
  border-top: 1px solid var(--line); background: var(--panel); }
#input { resize: none; max-height: 160px; }
#composer button { flex: none; }

dialog { background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: var(--radius);
  width: min(560px, calc(100vw - 2 * var(--gutter))); max-height: 80vh; }
dialog::backdrop { background: rgba(0, 0, 0, .5); }
#panel-body ul { padding-left: 18px; }
#panel-body li { margin: 6px 0; overflow-wrap: anywhere; }