/* --- Farbvariablen --- */
:root {
  --bg: #ffffff;
  --fg: #000000;
  --card-bg: #f0f0f0;
  --card-fg: #000000;
  --nav-bg: #e0e0e0;
  --nav-fg: #000000;
  --button-bg: #dddddd;
  --button-fg: #000000;
  --table-border: #000000;
}

body.dark-mode {
  --bg: #121212;
  --fg: #e0e0e0;
  --card-bg: #1e1e1e;
  --card-fg: #e0e0e0;
  --nav-bg: #222222;
  --nav-fg: #e0e0e0;
  --button-bg: #333333;
  --button-fg: #e0e0e0;
  --table-border: #e0e0e0;
}

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

/* --- Navigation --- */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--nav-bg);
  color: var(--nav-fg);
  padding: 10px;
  display: flex;
  gap: 10px;
}

nav button {
  background: var(--button-bg);
  color: var(--button-fg);
  border: none;
  padding: 8px 12px;
  cursor: pointer;
}

nav button:hover {
  opacity: 0.8;
}

/* --- Login --- */
.login-page {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.login-container {
  background: var(--card-bg);
  color: var(--card-fg);
  padding: 20px;
  border-radius: 8px;
}

.login-container input,
.login-container button {
  display: block;
  padding: 8px;
  margin: 10px 0;
}

/* --- Tabellen --- */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 70px;
}

table, th, td {
  border: 1px solid var(--table-border);
}

th, td {
  padding: 8px;
}

/* --- Formulare --- */
form input, form select, form textarea, form button {
  background: var(--card-bg);
  color: var(--card-fg);
  border: 1px solid var(--table-border);
  padding: 8px;
  margin: 5px 0;
}

form button {
  background: var(--button-bg);
  color: var(--button-fg);
  cursor: pointer;
}