:root {
  --color-bg: #0f1220;
  --color-surface: #171a2c;
  --color-surface-raised: #1d213a;
  --color-border: #24283d;
  --color-text: #e9ecf5;
  --color-text-muted: #8c91b1;
  --color-accent: #6da4ff;
  --color-accent-hover: #85b5ff;
  --color-live: #2e7d32;
  --color-sandbox: #c99616;
  --color-manual: #7e57c2;
  --color-warn: #ff9800;
  --color-danger: #e53935;
  --color-success: #2e7d32;

  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  --topbar-height: 56px;
  --sidebar-width: 220px;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: 0;
  border-radius: var(--radius);
  padding: 8px 14px;
  background: var(--color-accent);
  color: #0f1220;
  font-weight: 600;
}

button:hover {
  background: var(--color-accent-hover);
}

button[disabled] {
  cursor: not-allowed;
  opacity: 0.5;
}

.secondary-button {
  background: var(--color-surface-raised);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

.ghost-button {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.ghost-button:hover {
  background: var(--color-surface);
}

input,
select,
textarea {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  padding: 8px 12px;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 var(--spacing-sm) 0;
  font-weight: 600;
}

h1 { font-size: 22px; }
h2 { font-size: 18px; }
h3 { font-size: 16px; }

p { margin: 0 0 var(--spacing-sm) 0; }

.muted {
  color: var(--color-text-muted);
}

.eyebrow {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

.hidden {
  display: none !important;
}

.error-message {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius);
  background: rgba(229, 57, 53, 0.1);
  border: 1px solid rgba(229, 57, 53, 0.3);
  color: #ffb4b2;
  font-size: 13px;
}