/* DTS Signing Console */
:root {
  --ink: #16212e;
  --muted: #5c6b7d;
  --line: #dbe2ea;
  --panel: #ffffff;
  --page: #f2f5f8;
  --accent: #14406e;
  --accent-ink: #ffffff;
  --ok: #1a7f4b;
  --ok-bg: #e8f6ee;
  --err: #b3261e;
  --err-bg: #fdecea;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--page);
}

header {
  background: var(--accent);
  color: var(--accent-ink);
  padding: 22px 28px 18px;
}
header h1 { margin: 0 0 4px; font-size: 22px; }
header .sub { margin: 0; opacity: 0.85; }
header .targets {
  margin: 10px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  opacity: 0.75;
  white-space: pre-wrap;
}

main { max-width: 1040px; margin: 24px auto 60px; padding: 0 20px; }

/* Tabs */
.tabs { display: flex; gap: 8px; margin-bottom: -1px; }
.tab {
  border: 1px solid var(--line);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  background: #e7ecf2;
  color: var(--muted);
  padding: 10px 18px;
  font-size: 14px;
  cursor: pointer;
}
.tab.active { background: var(--panel); color: var(--ink); font-weight: 600; }

/* Panels */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0 10px 10px 10px;
  padding: 20px 24px;
  margin-bottom: 22px;
}
.panel h2 { margin: 0 0 12px; font-size: 17px; }
.panel h3 { margin: 18px 0 6px; font-size: 14px; }

.explain {
  margin: 0 0 18px;
  padding: 10px 14px;
  background: #f4f7fb;
  border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
  color: var(--muted);
}
.explain code { font-family: var(--mono); font-size: 13px; color: var(--ink); }

/* Form layout */
.row { margin-bottom: 14px; }
.row > label { display: block; font-weight: 600; margin-bottom: 4px; }
.opt { font-weight: 400; color: var(--muted); font-size: 13px; }
.choices { display: flex; gap: 22px; }
.choices label { font-weight: 400; }
.inline { display: flex; gap: 8px; }
.inline input { flex: 1; }

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 18px;
  margin-bottom: 14px;
}
.grid label, fieldset label { display: block; font-weight: 600; font-size: 14px; }

input[type="text"], input[type="password"], input:not([type]), select, textarea {
  width: 100%;
  margin-top: 3px;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
  background: #fff;
}
textarea { font-family: var(--mono); font-size: 12.5px; }
input[type="file"] { margin-top: 4px; }

fieldset {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  margin: 0 0 14px;
}
legend { font-size: 13px; color: var(--muted); padding: 0 6px; }

button.run {
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  border-radius: 8px;
  padding: 10px 26px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
button.run:disabled { opacity: 0.6; cursor: wait; }
button.ghost {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 14px;
  cursor: pointer;
}

/* Result */
.banner { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; font-weight: 600; }
.banner.ok { background: var(--ok-bg); color: var(--ok); }
.banner.error { background: var(--err-bg); color: var(--err); white-space: pre-wrap; }

.summary { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 12px; }
.chip {
  background: #eef2f7;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
  font-family: var(--mono);
  font-size: 12px;
}
button.download {
  background: var(--ok);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 18px;
  font-weight: 600;
  cursor: pointer;
}

.check { font-family: var(--mono); font-size: 13px; padding: 3px 0; }
.check.pass { color: var(--ok); }
.check.fail { color: var(--err); }

.hash {
  background: #f4f7fb;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
  font-family: var(--mono);
  font-size: 12.5px;
  overflow-x: auto;
}

/* Trace */
.step {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 10px;
  background: #fff;
}
.step-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.status {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  border-radius: 6px;
  padding: 2px 8px;
  color: #fff;
}
.status.ok { background: var(--ok); }
.status.err { background: var(--err); }
.meta { color: var(--muted); font-family: var(--mono); font-size: 12px; }
.step-error {
  margin-top: 6px;
  color: var(--err);
  font-family: var(--mono);
  font-size: 12.5px;
}
.step details { margin-top: 8px; }
.step summary { cursor: pointer; color: var(--muted); font-size: 13px; }
.step pre {
  background: #f7f9fc;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
  font-family: var(--mono);
  font-size: 12px;
  overflow-x: auto;
  max-height: 420px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}