:root {
  --bg: #0f172a;
  --card: #1e293b;
  --ink: #e2e8f0;
  --muted: #94a3b8;
  --line: #334155;
  --accent: #3b82f6;
  --ok: #22c55e;
  --warn: #f59e0b;
  --err: #ef4444;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
}

header {
  padding: 16px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand img { border-radius: 10px; flex-shrink: 0; }
header h1 { font-size: 20px; margin: 0 0 4px; }
header p { margin: 0; }

main { max-width: 960px; margin: 24px auto; padding: 0 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}
.card h2 { margin-top: 0; font-size: 16px; }

.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 8px 0; }
.row.actions { margin-top: 14px; }

input[type="text"] {
  flex: 1;
  min-width: 260px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  background: var(--bg);
  color: var(--ink);
}
input[type="text"]:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

button {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
  font-size: 14px;
}
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.big { font-size: 16px; padding: 12px 22px; }

.muted { color: var(--muted); font-size: 13px; }
.err { color: var(--err); }
.warn { color: var(--warn); font-size: 13px; }

/* --- Loading spinner --- */
.spinner {
  display: inline-block;
  width: 15px;
  height: 15px;
  border: 2px solid rgba(148, 163, 184, 0.35);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: -2px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Progress steps --- */
.steps { list-style: none; margin: 0; padding: 0; }
.step {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 14px;
}
.step-icon { display: inline-block; width: 22px; }
.step.pending { color: var(--muted); }
.step.running { border-color: var(--accent); background: #172554; color: #bfdbfe; }
.step.done { border-color: #14532d; background: #052e16; }
.step.done .step-icon { color: var(--ok); }
.step.error { border-color: #7f1d1d; background: #450a0a; }
.step.error .step-icon { color: var(--err); }

/* --- Result / order cards --- */
.order-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 10px;
}
.order-card summary { cursor: pointer; font-size: 14px; }
.order-card summary::marker { color: var(--accent); }
.order-card table { margin-top: 10px; }
.order-card.error-card { border-color: #7f1d1d; background: #450a0a; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); }

.err-list { margin: 6px 0 0; padding-left: 20px; font-size: 13px; color: var(--err); }

#toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: #e2e8f0;
  color: #0f172a;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 10;
}
#toast.error { background: var(--err); color: #fff; }