* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f6f8;
    color: #202124;
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-box {
    width: 100%;
    max-width: 400px;
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.10);
}

.login-box h1 {
    margin-top: 0;
    margin-bottom: 5px;
}

.subtitle {
    margin-top: 0;
    color: #666;
}

label {
    display: block;
    margin-top: 18px;
    margin-bottom: 6px;
    font-weight: bold;
}

input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 16px;
}

button {
    width: 100%;
    margin-top: 24px;
    padding: 13px;
    border: 0;
    border-radius: 8px;
    background: #1976d2;
    color: white;
    font-size: 16px;
    cursor: pointer;
}

.meldung {
    background: #ffebee;
    color: #b71c1c;
    padding: 10px;
    border-radius: 8px;
    margin-top: 15px;
}

header {
    height: 64px;
    background: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

header a {
    color: #1976d2;
    text-decoration: none;
}

main {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

.card {
    background: white;
    padding: 24px;
    border-radius: 14px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.06);
}