:root {
  color-scheme: light;
  --background: #f4f7fb;
  --surface: #ffffff;
  --surface-alt: #eef3f9;
  --border: #d7e0ea;
  --text: #102033;
  --muted: #5f7186;
  --primary: #1d4ed8;
  --primary-dark: #1e3a8a;
  --danger: #b91c1c;
  --success: #166534;
  --shadow: 0 18px 42px rgba(16, 32, 51, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--background);
  color: var(--text);
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

button,
.button-link {
  border: 0;
  border-radius: 0.75rem;
  background: var(--primary);
  color: #fff;
  padding: 0.8rem 1.15rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button.secondary,
.secondary-link {
  background: var(--surface-alt);
  color: var(--text);
}

button.danger {
  background: var(--danger);
}

.page-shell {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.page-content {
  padding: 2rem 0 4rem;
}

.panel,
.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.stack {
  display: grid;
  gap: 1rem;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.section-header,
.actions,
.inline-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.status-message,
.error-summary {
  border-radius: 0.75rem;
  padding: 1rem;
  margin-bottom: 1rem;
}

.status-message {
  background: #ecfdf3;
  color: var(--success);
}

.error-summary {
  background: #fef2f2;
  color: var(--danger);
}

.mono-input {
  width: 100%;
  font-family: Consolas, monospace;
}