body {
    font-family: 'Arial', sans-serif;
    background-color: #EBF1F1;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: #2B3E52;
}

.container {
    text-align: center;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(43, 62, 82, 0.1);
    padding: 2rem;
    width: 90%;
    max-width: 700px;
}

h1 {
    color: #2B3E52;
    margin-bottom: 1rem;
}

h2 {
    color: #72ADB1;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.date-display {
    font-size: 1rem;
    color: #8D7A67;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.theme-selector {
    margin-bottom: 1.5rem;
}

.theme-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.theme-links a {
    color: #2B3E52;
    background-color: #BDC4B0;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.theme-links a:hover,
.theme-links a.active {
    background-color: #72ADB1;
    color: white;
}

.message-box {
    background-color: #EBF1F1;
    border-left: 5px solid #72ADB1;
    padding: 1.5rem;
    margin: 1rem 0;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#daily-message {
    font-size: 1.2rem;
    line-height: 1.6;
    margin: 0;
    color: #2B3E52;
}

.controls {
    margin-top: 1.5rem;
}

#random-btn {
    background-color: #72ADB1;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#random-btn:hover {
    background-color: #5D9A9E;
}

.info-text {
    font-size: 0.9rem;
    color: #8D7A67;
    margin-top: 0.5rem;
}

@media (max-width: 600px) {
    .container {
        padding: 1.5rem;
    }

    .theme-links {
        gap: 0.5rem;
    }

    .theme-links a {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }

    .message-box {
        padding: 1rem;
        min-height: 120px;
    }
}