:root {
  --bg: #0f172a;
  --panel: #111827;
  --accent: #f59e0b;
  --muted: #94a3b8;
  --text: #e2e8f0;
  --border: #1f2937;
  --success: #22c55e;
  --danger: #ef4444;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(245, 158, 11, 0.12), transparent 35%),
              radial-gradient(circle at 80% 10%, rgba(59, 130, 246, 0.12), transparent 30%),
              var(--bg);
  color: var(--text);
}

.page {
  max-width: 1080px;
  margin: 32px auto;
  padding: 0 16px;
}

header {
  margin-bottom: 20px;
}
.brand {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.sub {
  color: var(--muted);
  margin-top: 6px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 18px 20px;
  margin-bottom: 16px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}
.panel-header {
  font-weight: 600;
  margin-bottom: 12px;
}

.inputs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.dropzone {
  position: relative;
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 14px;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.2s, transform 0.15s;
}
.dropzone:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}
.dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.dz-label {
  font-weight: 600;
}
.dz-text {
  color: var(--muted);
  font-size: 14px;
}
.dz-meta {
  color: var(--accent);
  font-size: 13px;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  color: var(--muted);
}

.module-picker {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
}
.api-base {
  margin-bottom: 12px;
  color: var(--muted);
}
.api-base input {
  width: 100%;
  background: #0b1224;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 8px;
  margin-top: 6px;
}
.hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}
.module-options {
  color: var(--muted);
  margin-bottom: 14px;
}
.module-options input {
  background: #0b1224;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 8px;
  border-radius: 6px;
}

#runBtn {
  background: linear-gradient(135deg, #f59e0b, #f97316);
  border: none;
  color: #0b0f1d;
  padding: 10px 16px;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(249, 115, 22, 0.35);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}
#runBtn:active {
  transform: translateY(1px);
  box-shadow: 0 6px 18px rgba(249, 115, 22, 0.25);
}

.status {
  margin-bottom: 12px;
  color: var(--muted);
}
.status.ok { color: var(--success); }
.status.err { color: var(--danger); }

.metrics {
  font-family: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
  background: #0b1020;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  white-space: pre-wrap;
  max-height: 260px;
  overflow: auto;
}
.plot-image {
  display: block;
  max-width: 100%;
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
}

.downloads {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 12px;
  flex-wrap: wrap;
}
.chip button {
  border: none;
  background: #0f172a;
  color: var(--text);
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
}
.chip .label {
  font-weight: 600;
}
.chip .detail {
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 600px) {
  .module-picker {
    flex-direction: column;
  }
}