:root {
  /* Light theme */
  --bg-color: #f4f6f9;
  --text-color: #333;
  --card-bg: #fff;

  /* Latvian colors */
  --latvia-bright: #9D2235;  /* red */
  --latvia-dark: #77353D;    /* darker red */

  --button-bg: var(--latvia-bright);
  --button-hover: var(--latvia-dark);
}

[data-theme="dark"] {
  /* Dark theme */
  --bg-color: #1e1e1e;
  --text-color: #f4f4f4;
  --card-bg: #2a2a2a;

  --button-bg: var(--latvia-bright);
  --button-hover: var(--latvia-dark);
}


body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg-color);
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  padding: 1rem 2rem;
  background: var(--card-bg);
  display: flex;
  justify-content: space-between;
  align-items: left;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

header h1 {
  margin: 0;
  font-size: 1.5rem;
}

nav a {
  margin-left: 1rem;
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
}

nav a:hover {
  text-decoration: underline;
}

.container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
}

.card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 8px 16px rgba(0,0,0,0.05);
  max-width: 600px;
  margin: 0 auto;
}

a.button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--button-bg);
  color: white;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  margin-top: 1.5rem;
  transition: background 0.3s;
}

a.button:hover {
  background: var(--button-hover);
}

footer {
  padding: 1rem;
  text-align: center;
  font-size: 0.9rem;
  background: var(--card-bg);
}

.toggle {
  cursor: pointer;
  padding: 0.4rem 0.8rem;
  background: transparent;
  border: 1px solid var(--text-color);
  border-radius: 5px;
  font-size: 0.9rem;
  margin-left: 1rem;
  color: var(--text-color);
}