/* Farben als CSS-Variablen */
:root {
  --primary-blue: #007BFF;
  --primary-blue-dark: #0056b3;
  --primary-blue-darker: #004085;
  --text-color: #333;
  --bg-light: #fafafa;
  --bg-gray: #f0f0f0;
  --border-gray: #ccc;
  --table-header-bg: #2c3e50;
  --table-header-hover-bg: #1a2a3a;
}

/* Grundlayout */
body {
  font-family: Arial, sans-serif;
  background-color: var(--bg-gray);
  margin: 0;
  padding: 0;
  color: var(--text-color);
}

.boxed {
  width: 95%;
  max-width: 1600px;
  margin: 30px auto;
  padding: 30px;
  border: 2px solid #444;
  border-radius: 10px;
  background-color: var(--bg-light);
  box-shadow: 2px 2px 8px rgba(0,0,0,0.1);
  box-sizing: border-box;
}

/* Überschriften */
h1 {
  text-align: center;
  margin-bottom: 25px;
  font-size: 2em;
}

/* Navigation */
.navigation {
  margin-bottom: 40px;
  text-align: center;
}

.navigation ul {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  display: flex;
  gap: 25px;
  justify-content: center;
  flex-wrap: wrap;
}

.navigation ul li {
  /* display:inline nicht nötig, da flex */
}

.navigation ul li a.nav-button {
  display: inline-block;
  padding: 14px 32px;
  background-color: var(--primary-blue);
  color: white;
  font-weight: 600;
  font-size: 1.1em;
  text-decoration: none;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 123, 255, 0.3);
  transition: background-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
  user-select: none;
}

.navigation ul li a.nav-button:hover,
.navigation ul li a.nav-button:focus {
  background-color: var(--primary-blue-dark);
  box-shadow: 0 6px 12px rgba(0, 86, 179, 0.5);
  outline: none;
  transform: scale(1.05);
}

.navigation ul li a.nav-button.active {
  background-color: var(--primary-blue-darker);
  cursor: default;
  pointer-events: none;
}

/* Formulare */
form {
  margin-bottom: 25px;
  text-align: center;
}

input[type="text"] {
  padding: 12px;
  width: 350px;
  font-size: 1.1em;
  margin-right: 10px;
  border: 1px solid var(--border-gray);
  border-radius: 3px;
  box-sizing: border-box;
}

input[type="submit"] {
  padding: 12px 25px;
  font-size: 1.1em;
  cursor: pointer;
  background-color: #333;
  color: white;
  border: none;
  border-radius: 3px;
  transition: background-color 0.3s ease;
  user-select: none;
}

input[type="submit"]:hover {
  background-color: #555;
}

/* Tabellen */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 30px;
  table-layout: fixed;
  word-wrap: break-word;
}

th, td {
  padding: 15px 20px;
  border: 1px solid var(--border-gray);
  text-align: left;
  vertical-align: middle;
  font-size: 1em;
}

th {
  cursor: pointer;
  background-color: var(--table-header-bg);
  color: white;
}

th:hover {
  background-color: var(--table-header-hover-bg);
}

.tankstellen-tabelle tr:nth-child(even) {
  background-color: var(--bg-gray);
}

/* Footer */
.footer {
  text-align: center;
  font-size: 0.9em;
  color: #666;
  padding: 15px 0;
  border-top: 1px solid var(--border-gray);
  margin-top: 40px;
}

/* Responsive */

/* Tablets (max-width: 1024px) */
@media (max-width: 1024px) {
  .boxed {
    width: 90%;
    max-width: 900px;
    padding: 20px;
  }

  input[type="text"] {
    width: 250px;
    font-size: 1em;
  }

  input[type="submit"] {
    font-size: 1em;
    padding: 10px 20px;
  }

  th, td {
    padding: 10px 12px;
    font-size: 0.9em;
  }
}

/* Smartphones (max-width: 600px) */
@media (max-width: 600px) {
  .boxed {
    width: 95%;
    max-width: 100%;
    padding: 15px;
    margin: 15px auto;
  }

  h1 {
    font-size: 1.5em;
  }

  input[type="text"] {
    width: 100%;
    margin-bottom: 12px;
  }

  input[type="submit"] {
    width: 100%;
    padding: 12px;
    font-size: 1.1em;
    margin-left: 0;
  }

  form {
    text-align: left;
  }

  /* Tabellen mobil */
  table, thead, tbody, th, td, tr {
    display: block;
  }

  thead tr {
    display: none;
  }

  tr {
    margin-bottom: 15px;
    border-bottom: 2px solid #ddd;
  }

  td {
    padding-left: 50%;
    position: relative;
    text-align: left;
    font-size: 0.9em;
  }

  td::before {
    position: absolute;
    left: 15px;
    width: 45%;
    white-space: nowrap;
    font-weight: bold;
    content: attr(data-label);
  }

  /* Navigation für kleine Bildschirme */
  .navigation ul {
    flex-direction: column;
    gap: 15px;
  }

  .navigation ul li a.nav-button {
    padding: 14px 0;
    width: 100%;
    text-align: center;
    font-size: 1.1em;
    border-radius: 6px;
  }
}

/* Kleinere Geräte (max-width: 480px) */
@media (max-width: 480px) {
  .navigation ul {
    gap: 15px;
  }
  
  .navigation ul li a.nav-button {
    padding: 12px 30px;
    font-size: 1.1em;
  }
}
/* Spezifische Spaltenbreiten */
/* Tabelle allgemein */
.tankstellen-tabelle {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  font-size: 0.9rem;
}

.tankstellen-tabelle th,
.tankstellen-tabelle td {
  border: 1px solid #ccc;
  padding: 6px 8px;
  text-align: left;
}

/* Schmale Spalten */
.tankstellen-tabelle th.entfernung,
.tankstellen-tabelle td[data-label="Entfernung (km)"] {
  width: 80px;
  text-align: right;
}

.tankstellen-tabelle th.aktualisierung,
.tankstellen-tabelle td[data-label="Aktualisierung"] {
  width: 120px;
  text-align: right;
}

.tankstellen-tabelle th.preis,
.tankstellen-tabelle td[data-label="E5 (€)"],
.tankstellen-tabelle td[data-label="E10 (€)"],
.tankstellen-tabelle td[data-label="Diesel (€)"] {
  width: 70px;
  text-align: center;
}
/* Hover-Effekt für Tabellenzeilen */
.tankstellen-tabelle tbody tr:hover {
  background-color: #f0f8ff; /* hellblau, du kannst auch z. B. #e0e0e0 nehmen */
  cursor: pointer; /* optional, falls du Interaktivität signalisieren willst */
}
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 10px;
    margin-top: 10px;
    margin-bottom: 20px;
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #ccc;
    padding: 10px;
    border-radius: 6px;
    background: #f2f2f2;
}

.checkbox-grid label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95em;
}
.digital-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 30px 0;
  flex-wrap: wrap;
}

.digital-button {
  background: #111;
  color: #0f0;
  font-family: 'Courier New', monospace;
  font-size: 1.8em;
  border: 2px solid #0f0;
  border-radius: 12px;
  padding: 25px 35px;
  text-align: center;
  box-shadow: 0 0 15px #0f0;
  min-width: 180px;
  transition: transform 0.2s;
}

.digital-button:hover {
  transform: scale(1.05);
  cursor: default;
}

.digital-button span {
  display: block;
  font-size: 0.6em;
  color: #9f9;
  margin-top: 10px;
}

.digital-button i {
  margin-right: 6px;
}
    /* Digitale Buttons Container */
    .digital-buttons {
      display: flex;
      gap: 20px;
      margin: 20px 0 40px 0;
      flex-wrap: wrap;
      justify-content: start;
    }
    .digital-button {
      flex: 1 1 200px;
      background: #222;
      color: #0f0;
      font-family: 'Courier New', Courier, monospace;
      font-size: 2.8em;
      padding: 25px 20px 10px 20px;
      border-radius: 12px;
      box-shadow: 0 0 15px #0f0aa0;
      text-align: center;
      position: relative;
      user-select: none;
      cursor: default;
      transition: box-shadow 0.3s ease;
    }
    .digital-button:hover {
      box-shadow: 0 0 30px #0f0;
    }
    .digital-button span {
      display: block;
      margin-top: 10px;
      font-size: 0.35em;
      color: #0f0;
      font-weight: 600;
    }
    .digital-button i {
      margin-right: 8px;
      color: #0f0;
      vertical-align: middle;
    }
	h2 {
  text-align: center;
}
.centered {
  text-align: center;
}