/* macOS-style dark theme: neutral graphite surfaces, SF system font, subtle
   separators, a single green accent for the running/start state. No blue. */
:root {
  --bg: #1c1c1e;          /* system background (dark) */
  --bg2: #2c2c2e;         /* elevated surface */
  --bg3: #3a3a3c;         /* control fill */
  --line: #48484a;        /* separators / borders */
  --line-soft: #38383a;
  --txt: #ffffff;
  --txt2: #ebebf5;
  --mut: #8e8e93;         /* secondary label */
  --green: #30d158;       /* system green */
  --green-d: #248a3d;
  --amber: #ffd60a;
  --red: #ff453a;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--txt);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  font-size: 13px; user-select: none; -webkit-font-smoothing: antialiased;
}
.panel { display: flex; flex-direction: column; height: 100vh; padding: 16px; gap: 14px; }
.hd { display: flex; align-items: center; justify-content: space-between; }
.brand { font-weight: 700; letter-spacing: .2px; font-size: 17px; }
.brand span { color: var(--mut); font-weight: 500; }
.status { display: flex; align-items: center; gap: 7px; font-size: 12px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line-soft); background: var(--bg2); color: var(--txt2); }
.status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--mut); transition: background .2s; }
.status.run .dot { background: var(--green); box-shadow: 0 0 8px var(--green); }
.status.warn .dot { background: var(--amber); box-shadow: 0 0 8px var(--amber); }

main { flex: 1; display: flex; flex-direction: column; gap: 12px; overflow-y: auto; }
.card { background: var(--bg2); border: 1px solid var(--line-soft); border-radius: 12px; padding: 14px; display: flex; flex-direction: column; gap: 9px; }
.lbl { color: var(--mut); font-size: 11px; font-weight: 600; }
.row { display: flex; gap: 8px; align-items: center; }
.row.gap { gap: 16px; margin-top: 2px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field input { width: 96px; }
input[type="text"], input[type="number"] {
  flex: 1; background: var(--bg); border: 1px solid var(--line); color: var(--txt);
  border-radius: 7px; padding: 8px 10px; font-size: 13px; font-family: inherit;
}
input:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(48,209,88,.2); }
.toggle { display: flex; align-items: center; gap: 8px; color: var(--txt2); cursor: pointer; align-self: flex-end; padding-bottom: 8px; }
.toggle input { width: 15px; height: 15px; accent-color: var(--green); }
.hint { font-size: 12px; min-height: 16px; color: var(--mut); }
.hint.ok { color: var(--green); } .hint.bad { color: var(--amber); }
.hint a { color: var(--green); }

.btn { border: 1px solid var(--line); background: var(--bg3); color: var(--txt); border-radius: 8px; padding: 8px 14px; font-size: 13px; font-family: inherit; cursor: pointer; transition: filter .12s, background .12s; }
.btn:hover { filter: brightness(1.18); }
.btn:active { transform: translateY(1px); }
.btn.ghost { background: transparent; color: var(--txt2); border-color: var(--line); }
.btn.sm { padding: 5px 10px; font-size: 12px; }
.btn.big { padding: 13px; font-size: 15px; font-weight: 600; }
.btn.primary { background: var(--green); color: #042b10; border-color: transparent; font-weight: 600; }
.btn.big.stop { background: var(--red); color: #2a0603; }
.btn.ok { background: var(--green); color: #042b10; border-color: transparent; font-weight: 600; }
.btn:disabled { opacity: .45; cursor: default; }

.update-banner { display: flex; gap: 10px; align-items: center; justify-content: space-between; background: rgba(48,209,88,.10); border: 1px solid var(--green-d); border-radius: 12px; padding: 10px 12px; }
.update-banner.hidden { display: none; }
.ub-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.ub-text b { color: var(--green); font-size: 13px; }
.ub-text span { color: var(--mut); font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 230px; }
.ub-actions { display: flex; gap: 6px; flex: 0 0 auto; }

.live.hidden { display: none; }
.url-row { display: flex; gap: 8px; align-items: center; }
.url-row code { flex: 1; background: var(--bg); border: 1px solid var(--line); color: var(--green); border-radius: 7px; padding: 10px 12px; font-size: 16px; font-weight: 600; letter-spacing: .3px; user-select: text; font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.quick { display: flex; gap: 6px; }
.quick .btn { flex: 1; }

.diag { margin-top: 10px; border-top: 1px solid var(--line-soft); padding-top: 8px; display: flex; flex-direction: column; gap: 5px; }
.diag-row { display: flex; justify-content: space-between; font-size: 12px; color: var(--mut); }
.diag-row b { color: var(--txt2); font-weight: 600; }
.diag-row b.ok { color: var(--green); } .diag-row b.warn { color: var(--amber); }

.log-wrap { background: var(--bg2); border: 1px solid var(--line-soft); border-radius: 12px; padding: 6px 12px; }
.log-wrap summary { color: var(--mut); font-size: 12px; cursor: pointer; padding: 4px 0; }
#log { margin: 6px 0 2px; max-height: 140px; overflow-y: auto; font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 11px; color: var(--mut); white-space: pre-wrap; }

.ft { display: flex; align-items: center; justify-content: space-between; color: var(--mut); font-size: 12px; }
.link { background: none; border: none; color: var(--green); cursor: pointer; font-size: 12px; font-family: inherit; }
.link:hover { text-decoration: underline; }
.link:disabled { color: var(--mut); cursor: default; text-decoration: none; }
.update-badge { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--green); margin-left: 6px; box-shadow: 0 0 6px var(--green); vertical-align: middle; }