:root {
    --bg: #ffffff;
    --text: #000000;
    --primary: #d32f2f; /* Notfall-Rot */
    --gray: #f5f5f5;
}
* { box-sizing: border-box; }
body {
    font-family: system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    margin: 0;
    padding: 20px;
    font-size: 18px;
    line-height: 1.5;
}
h1, h2 { color: var(--primary); margin-top: 0; }
.card {
    background: var(--gray);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    border: 2px solid #e0e0e0;
}
.card h2 { font-size: 1.5rem; margin-bottom: 5px; color: var(--text); }
.card p { margin: 0 0 15px 0; color: #555; font-size: 1.1rem; }
.btn {
    display: block;
    width: 100%;
    padding: 18px;
    background: var(--primary);
    color: white;
    text-align: center;
    text-decoration: none;
    font-weight: bold;
    border-radius: 8px;
    font-size: 1.3rem;
    border: none;
    cursor: pointer;
}
.btn-delete { background: #333; margin-top: 10px; font-size: 1rem; padding: 12px; }
input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 2px solid #ccc;
    border-radius: 6px;
    font-size: 1.1rem;
}
.loader { text-align: center; font-weight: bold; padding: 20px; }