:root {
  color-scheme: dark;
  --bg: #0d1117;
  --panel: #111827;
  --panel-soft: #172033;
  --border: #263246;
  --text: #e5eef8;
  --muted: #9ab0c6;
  --accent: #63e6be;
  --accent-2: #7ab7ff;
  --danger: #ff8ea1;
  --warn: #ffd166;
  --ok: #8be9a8;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(99, 230, 190, 0.14), transparent 30%),
    radial-gradient(circle at top right, rgba(122, 183, 255, 0.14), transparent 26%),
    var(--bg);
  color: var(--text);
  font: 14px/1.5 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px 20px 40px;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 20px;
}
h1, h2, p { margin: 0; }
h1 { font-size: 28px; letter-spacing: 0; }
.eyebrow { color: var(--accent); text-transform: uppercase; font-size: 12px; letter-spacing: 0.14em; margin-bottom: 6px; }
.panel {
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.96), rgba(13, 17, 23, 0.98));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.25);
}
.stack { display: grid; gap: 18px; }
.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 14px;
}
.panel-head p { color: var(--muted); max-width: 70ch; }
.form-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.form-grid label {
  display: grid;
  gap: 6px;
  color: var(--muted);
}
.form-grid .wide { grid-column: 1 / -1; }
input {
  width: 100%;
  border: 1px solid var(--border);
  background: #0b1220;
  color: var(--text);
  border-radius: 10px;
  padding: 12px 14px;
  outline: none;
}
input:focus { border-color: var(--accent-2); box-shadow: 0 0 0 3px rgba(122, 183, 255, 0.15); }
.btn {
  border: 1px solid var(--border);
  background: var(--panel-soft);
  color: var(--text);
  border-radius: 10px;
  padding: 11px 16px;
  cursor: pointer;
}
.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #041018;
  border-color: transparent;
  font-weight: 700;
}
.btn.ghost { background: transparent; }
.btn:hover { filter: brightness(1.03); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.topbar-actions, .inline-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(99, 230, 190, 0.12);
  border: 1px solid rgba(99, 230, 190, 0.25);
  color: var(--accent);
}
.summary-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin-bottom: 16px;
}
.stat {
  padding: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.stat .k { color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.stat .v { font-size: 20px; font-weight: 700; }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; min-width: 980px; }
th, td { border-bottom: 1px solid rgba(38, 50, 70, 0.8); padding: 10px 8px; text-align: left; vertical-align: top; }
th { position: sticky; top: 0; background: #0f1624; color: var(--muted); font-size: 12px; text-transform: uppercase; }
.reason-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
}
.hidden { display: none !important; }
.result-box {
  min-height: 72px;
  margin-top: 12px;
  padding: 12px;
  background: #09111d;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--muted);
  white-space: pre-wrap;
}
@media (max-width: 860px) {
  .topbar, .panel-head { flex-direction: column; align-items: stretch; }
  .form-grid { grid-template-columns: 1fr; }
}