/* Base styles (optional). */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  width: 100%;
  height: auto;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, #0f172a 0, #020617 50%, #000 100%);
  overflow-x: hidden;
  display: block;
  align-items: stretch;
  justify-content: center;
}

/* Light theme (opt-in) */

body.theme-light {
  background: radial-gradient(circle at top left, #e5f2ff 0, #f8fafc 50%, #e5e7eb 100%);
  color: #0f172a;
}

body.theme-light .app {
  background:
    linear-gradient(135deg, rgba(56, 189, 248, 0.06), rgba(248, 250, 252, 0.9)),
    radial-gradient(circle at bottom right, rgba(191, 219, 254, 0.4), #f8fafc);
  border-color: rgba(148, 163, 184, 0.4);
}

body.theme-light .panel {
  background: #f9fafb;
  border-color: rgba(148, 163, 184, 0.7);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.15);
}

body.theme-light textarea {
  background: #f9fafb;
  color: #0f172a;
}

body.theme-light .logo {
  background: rgba(248, 250, 252, 0.9);
  border-color: rgba(148, 163, 184, 0.5);
}

body.theme-light .logo-text,
body.theme-light .app-title p,
body.theme-light .status,
body.theme-light .file-name {
  color: #4b5563;
}

body.theme-light .btn.ghost {
  background: rgba(248, 250, 252, 0.9);
  border-color: rgba(148, 163, 184, 0.7);
  color: #111827;
}

body.theme-light .btn.ghost:hover {
  border-color: #0ea5e9;
}