:root {
  --primary-bg: #23283d;
  --secondary-bg: #1e2233;
  --secondary-alt-bg: #191f2e;
  --tertiary-bg: #101320;
  --accent-color: #096dc0;
  --text-color: #ffffff;
  --text-muted: #a0a0a0;
  --border-color: #2a3045;

  font-family: 'Inter', system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  font-weight: 400;

  color-scheme: dark;
  color: var(--text-color);
  background-color: var(--primary-bg);

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  display: flex;
  place-items: center;
  min-width: 320px;
  min-height: 100vh;
  background-color: var(--primary-bg);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-color);
  margin-top: 0;
}

a {
  font-weight: 500;
  color: var(--accent-color);
  text-decoration: inherit;
  transition: color 0.2s;
}

a:hover {
  color: #4da3ff;
}

button {
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0.6em 1.2em;
  font-size: 1em;
  font-weight: 500;
  font-family: inherit;
  background-color: var(--secondary-bg);
  color: white;
  cursor: pointer;
  transition: background-color 0.25s, transform 0.1s;
}

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

button:active {
  transform: scale(0.98);
}

button:focus,
button:focus-visible {
  outline: 4px auto -webkit-focus-ring-color;
}

input, select {
  background-color: var(--secondary-alt-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 0.6em;
  border-radius: 6px;
  font-size: 1em;
  font-family: inherit;
}

input:focus, select:focus {
  outline: 2px solid var(--accent-color);
  border-color: transparent;
}


ul {
  list-style: none;
  padding: 0;
}

.shader-theme {
  --primary-bg: transparent; /* Let the shader show through */
  --secondary-bg: rgba(0, 0, 0, 0.7); /* Translucent cards */
  --secondary-alt-bg: rgba(20, 20, 20, 0.6); /* Translucent inputs */
  --tertiary-bg: rgba(40, 40, 40, 0.8);
  --border-color: rgba(255, 255, 255, 0.15);
  --text-color: #ffffff;
}

.shader-theme body {
  background-color: transparent;
}