.tide-widget {
    font-family: Arial, sans-serif;
    max-width: 400px;
    margin: 20px auto;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    background: linear-gradient(to bottom, #ffffff, #f5f9ff);
}

.tide-header {
    text-align: center;
    margin-bottom: 20px;
}

.tide-header h2 {
    color: #2c3e50;
    margin: 0 0 10px 0;
}

.tide-header p {
    color: #7f8c8d;
    margin: 0;
}

.tide-content {
    padding: 15px 0;
}

.tide-current {
    text-align: center;
    margin-bottom: 25px;
}

.tide-level {
    font-size: 2.5em;
    color: #3498db;
    font-weight: bold;
    margin: 10px 0;
}

.tide-type {
    color: #7f8c8d;
    font-size: 1.1em;
}

.tide-predictions {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
    padding: 15px;
    background: rgba(236, 240, 241, 0.5);
    border-radius: 8px;
}

.tide-high, .tide-low {
    flex: 1;
    text-align: center;
    padding: 0 10px;
}

.tide-high h4, .tide-low h4 {
    color: #2c3e50;
    margin: 0 0 10px 0;
    font-size: 1em;
}

.tide-high {
    border-right: 1px solid #bdc3c7;
}

.tide-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid #ecf0f1;
}

#refreshBtn {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#refreshBtn:hover {
    background-color: #2980b9;
}

#lastUpdate {
    color: #95a5a6;
    font-size: 0.9em;
}

.unit {
    font-size: 0.5em;
    vertical-align: super;
    margin-left: 2px;
}

@media (max-width: 480px) {
    .tide-widget {
        margin: 10px;
        padding: 15px;
    }

    .tide-predictions {
        flex-direction: column;
    }

    .tide-high {
        border-right: none;
        border-bottom: 1px solid #bdc3c7;
        padding-bottom: 10px;
        margin-bottom: 10px;
    }
}