/* Modernized structure.css for Frühstück im Dunkeln - HTML5 & Responsive */

:root {
    --primary-color: #2e6d54;
    --primary-hover: #1f4f3c;
    --header-bg: #8dae9d;
    --accent-color: #abd373;
    --bg-page: #f4f7f5;
    --card-bg: #ffffff;
    --text-color: #212529;
    --text-muted: #6c757d;
    --border-color: #d2ded7;
    --border-radius: 8px;
    --transition: all 0.2s ease-in-out;
}

* {
    box-sizing: border-box;
}

html {
    background-color: var(--bg-page);
    font-size: 16px;
}

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.5;
    margin: 0;
    padding: 20px 15px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

#container {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    width: 100%;
    max-width: 520px;
    overflow: hidden;
    margin: 1rem auto;
}

h1 {
    background-color: var(--header-bg);
    color: #ffffff;
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0;
    padding: 18px 24px;
    border-bottom: 2px solid var(--primary-color);
    text-align: center;
}

h3 {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
    margin: 20px 0 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-color);
}

.form-body {
    padding: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 6px;
    color: var(--text-color);
}

.form-group label .required {
    color: #dc3545;
}

.form-control,
input[type="text"],
input[type="number"],
input[type="tel"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 10px 12px;
    font-size: 0.95rem;
    font-family: inherit;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: #fff;
    color: var(--text-color);
    transition: var(--transition);
}

.form-control:focus,
input[type="text"]:focus,
input[type="number"]:focus,
input[type="tel"]:focus,
input[type="email"]:focus,
select:focus,
textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(46, 109, 84, 0.18);
}

textarea {
    min-height: 90px;
    resize: vertical;
}

.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
    margin-top: 6px;
}

.radio-item,
.checkbox-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.95rem;
    cursor: pointer;
}

.radio-item input,
.checkbox-item input {
    margin: 0;
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.checkbox-group {
    margin: 18px 0;
    padding: 12px;
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.checkbox-group a {
    color: var(--primary-color);
    text-decoration: underline;
}

.checkbox-group a:hover {
    color: var(--primary-hover);
}

.form-actions {
    margin-top: 24px;
}

button[type="submit"],
input[type="submit"] {
    display: block;
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
}

button[type="submit"]:hover,
input[type="submit"]:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.form-note {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 12px;
    text-align: center;
}

.alert {
    padding: 16px 20px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.alert-success {
    background-color: #d1e7dd;
    color: #0f5132;
    border: 1px solid #badbcc;
}

.alert-danger {
    background-color: #f8d7da;
    color: #842029;
    border: 1px solid #f5c2c7;
}

.alert-info {
    background-color: #cff4fc;
    color: #055160;
    border: 1px solid #b6effb;
}

.btn-link {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 18px;
    background-color: var(--primary-color);
    color: #ffffff !important;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-link:hover {
    background-color: var(--primary-hover);
}