:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: #121a2f;
  --panel-border: #24304f;
  --text: #e8eefc;
  --muted: #9aa8c7;
  --accent: #5b8cff;
  --accent-hover: #7aa1ff;
  --success: #3ddc97;
  --danger: #ff6b8a;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  font-family: Inter, Segoe UI, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(91, 140, 255, 0.18), transparent 30%),
    radial-gradient(circle at bottom right, rgba(61, 220, 151, 0.12), transparent 25%),
    var(--bg);
  color: var(--text);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 8px;
  font-size: 2.4rem;
}

.subtitle,
label,
.examples span,
#imagePlaceholder {
  color: var(--muted);
}

.subtitle {
  margin: 0;
  max-width: 720px;
  line-height: 1.6;
}

.status {
  padding: 10px 14px;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: rgba(18, 26, 47, 0.8);
  font-size: 0.9rem;
  white-space: nowrap;
}

.status.running {
  color: #ffd166;
}

.status.ok {
  color: var(--success);
}

.status.error {
  color: var(--danger);
}

.panel,
.result-card {
  background: rgba(18, 26, 47, 0.92);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.panel {
  padding: 20px;
  margin-bottom: 20px;
}

.field-row {
  display: flex;
  gap: 12px;
  align-items: end;
  margin-bottom: 16px;
}

.field {
  flex: 1;
}

label {
  display: block;
  margin-bottom: 10px;
  font-weight: 600;
}

textarea {
  width: 100%;
  resize: vertical;
  min-height: 120px;
  padding: 14px 16px;
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  background: #0d1426;
  color: var(--text);
  font: inherit;
  line-height: 1.5;
}

select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  background: #0d1426;
  color: var(--text);
  font: inherit;
}

select:focus,
textarea:focus,
button:focus {
  outline: 2px solid rgba(91, 140, 255, 0.45);
  outline-offset: 2px;
}

.actions {
  margin-top: 14px;
}

button {
  border: 0;
  cursor: pointer;
  font: inherit;
}

#runBtn {
  padding: 12px 18px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #3d6df0);
  color: white;
  font-weight: 600;
}

#runBtn:hover {
  background: linear-gradient(135deg, var(--accent-hover), #4f7ef2);
}

.secondary {
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
  background: #0d1426;
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
}

.secondary:hover {
  border-color: var(--accent);
}

#runBtn:disabled,
.secondary:disabled {
  opacity: 0.65;
  cursor: wait;
}

.examples {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 16px;
}

.chip {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: #0d1426;
  color: var(--text);
}

.chip:hover {
  border-color: var(--accent);
}

.results {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
}

.result-card {
  padding: 18px;
}

.result-card h2 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

pre {
  margin: 0;
  padding: 14px;
  border-radius: 12px;
  background: #0a1020;
  border: 1px solid var(--panel-border);
  overflow: auto;
  max-height: 420px;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.92rem;
  line-height: 1.5;
}

.image-wrap {
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--panel-border);
  border-radius: 12px;
  background: #0a1020;
  padding: 12px;
}

#annotatedImage {
  max-width: 100%;
  border-radius: 10px;
}

@media (max-width: 900px) {
  .header,
  .results {
    grid-template-columns: 1fr;
    display: grid;
  }

  .header,
  .field-row {
    gap: 12px;
  }

  .field-row {
    flex-direction: column;
    align-items: stretch;
  }
}