/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Farben */
:root {
    --bg: #dbfaff;
    --surface: #c5f1ff;
    --primary: #2563eb;
    --text: #09405d;
    --border: #ddd;
}

/* Allgemein */
body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

/* Header */
header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Container */
.container {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Karten */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    margin-top: 20px;
}

/* Buttons */
button {
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 10px 16px;
    cursor: pointer;
    transition: opacity 0.2s;
}

button:hover {
    opacity: 0.9;
}

/* Formulare */
input,
textarea,
select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-top: 6px;
    margin-bottom: 16px;
}

/* Überschriften */
h1,
h2,
h3 {
    margin-bottom: 12px;
}

/* Links */
a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}