:root {
    --primary-color: #6a4c93;
    --secondary-color: #8a5a44;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f5f5f5;
    color: var(--dark-color);
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

header p {
    font-size: 1.1rem;
    color: var(--secondary-color);
}

.input-section {
    background-color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 2rem;
    text-align: center;
}

.input-section h2 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.date-input {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

input[type="date"] {
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    width: 100%;
    max-width: 300px;
}

button {
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #5a3d7a;
}

.secondary-btn {
    background-color: var(--secondary-color);
}

.secondary-btn:hover {
    background-color: #744837;
}

#resultSection {
    background-color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.hidden {
    display: none;
}

.sign-header {
    text-align: center;
    margin-bottom: 2rem;
}

.sign-header img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin-bottom: 1rem;
}

.sign-header h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.date-range {
    color: var(--secondary-color);
    font-style: italic;
}

.sign-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.detail-box {
    background-color: #f8f9fa;
    padding: 1.5rem;
    border-radius: var(--border-radius);
}

.detail-box h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

footer {
    text-align: center;
    margin-top: 2rem;
    color: #6c757d;
    font-size: 0.9rem;
}

@media (min-width: 768px) {
    .date-input {
        flex-direction: row;
        justify-content: center;
    }

    .sign-details {
        grid-template-columns: repeat(2, 1fr);
    }
}