body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    padding: 2rem;
    box-sizing: border-box;
}

.container {
    width: 100%;
    max-width: 1200px;
}

.form-container {
    background: white;
    padding: 2rem;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    margin-bottom: 2rem;
}

h1 {
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
}

input[type="date"] {
    padding: 0.5rem;
    width: 100%;
    box-sizing: border-box;
}

.btn {
    padding: 0.5rem 1rem;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #0056b3;
}

.result-message {
    margin-top: 1rem;
    padding: 0.5rem;
    display: none;
    border-radius: 5px;
}

.report-container {
    width: 100%;
}

.summary {
    background: white;
    padding: 1rem;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

table th, table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

table tr.timeout {
    background-color: #f8d7da;
}

table tr.not-listened {
    background-color: #fff3cd;
}

table tr.successful {
    background-color: #d4edda;
}

@media (max-width: 768px) {
    table th, table td {
        padding: 0.5rem;
    }
}