/* styles.css */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f8f9fa;
    color: #333;
}

h1 {
    color: #2c3e50;
    border-bottom: 2px solid #e9ecef;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

h2 {
    color: #495057;
    margin-top: 30px;
    border-bottom: 1px solid #e9ecef;
    padding-bottom: 5px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
    background-color: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

th, td {
    border: 1px solid #dee2e6;
    padding: 12px;
    text-align: center;
    vertical-align: middle;
}

th {
    background-color: #e3f2fd;
    font-weight: 600;
    color: #2c3e50;
    font-size: 13px;
}

tr:nth-child(even) {
    background-color: #f8f9fa;
}

tr:hover {
    background-color: #e9ecef;
}

.participant-name {
    text-align: left;
    font-weight: 500;
    color: #212529;
}

.participant-email {
    text-align: left;
    font-size: 12px;
    color: #6c757d;
    display: block;
}

.available {
    color: #28a745;
    font-weight: bold;
    font-size: 16px;
}

.unavailable {
    color: #dc3545;
    font-size: 16px;
}

form {
    max-width: 600px;
    margin: 40px auto;
    padding: 25px;
    border: 1px solid #dee2e6;
    border-radius: 5px;
    background-color: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

label {
    display: block;
    margin: 12px 0 5px;
    font-weight: 500;
    color: #495057;
}

input[type="text"],
input[type="email"],
input[type="number"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 14px;
}

input[type="checkbox"] {
    margin-right: 10px;
    transform: scale(1.2);
}

.checkbox-label {
    margin-left: 30px;
    display: block;
    margin-bottom: 8px;
    color: #495057;
}

button {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    transition: background-color 0.2s;
}

button:hover {
    background-color: #0056b3;
}

.success {
    color: #28a745;
    margin: 20px auto;
    padding: 12px;
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    border-radius: 4px;
    max-width: 600px;
    text-align: center;
}

.error {
    color: #721c24;
    margin: 20px auto;
    padding: 12px;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
    max-width: 600px;
    text-align: center;
}

.summary {
    margin-top: 10px;
    font-weight: 600;
}

.summary td {
    background-color: #e3f2fd;
    color: #2c3e50;
}

 .form-row td {
            padding: 8px;
            background-color: #f0f8ff;
        }
        .form-row input[type="text"],
        .form-row input[type="email"],
        .form-row input[type="number"] {
            width: 90%;
            padding: 8px;
            margin: 0;
            border: 1px solid #ccc;
            border-radius: 3px;
        }
        .form-row input[type="checkbox"] {
            margin-right: 5px;
        }
        .form-row button {
            background-color: #007bff;
            color: white;
            padding: 8px 15px;
            border: none;
            border-radius: 3px;
            cursor: pointer;
            margin-top: 5px;
        }
        .form-row button:hover {
            background-color: #0056b3;
        }


/* Info-Icon und Popup */
.info-container {
            display: inline-block;
            position: relative;
        }
        .info-icon {
            cursor: help;
            font-size: 14px;
            color: #6c757d;
            border: 1px solid #ccc;
            border-radius: 50%;
            width: 18px;
            height: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-left: 5px;
        }
        .info-popup {
            display: none;
            position: absolute;
            bottom: 100%;
            left: 50%;
            transform: translateX(-50%);
            background: white;
            border: 1px solid #ccc;
            padding: 8px;
            border-radius: 4px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            width: 200px;
            z-index: 100;
            font-size: 12px;
            color: #333;
            white-space: normal;
            margin-bottom: 10px;
        }
        .info-icon:hover + .info-popup {
            display: block;
        }
        .info-popup:hover {
            display: block;
        }