body {
    font-family: sans-serif;
    line-height: 1.6;
    padding: 20px;
    background-color: #f4f4f4;
}

h1, h2 {
    text-align: center;
    color: #333;
}

.converter-container {
    max-width: 800px;
    margin: 20px auto;
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.controls {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 15px;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.controls label {
    font-weight: bold;
    text-align: right;
}

.controls input[type="datetime-local"],
.controls select,
.controls button {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}

.controls button {
    cursor: pointer;
    background-color: #5cb85c;
    color: white;
    border: none;
    transition: background-color 0.3s ease;
}

.controls button:hover {
    background-color: #4cae4c;
}

#add-button {
     background-color: #0275d8;
}
#add-button:hover {
     background-color: #025aa5;
}


#timezones-display {
    margin-top: 20px;
}

.timezone-entry {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border: 1px solid #eee;
    margin-bottom: 10px;
    border-radius: 4px;
    background-color: #f9f9f9;
}

.timezone-entry span {
    font-size: 1.1rem;
}
.timezone-entry .time {
    font-weight: bold;
    font-size: 1.2rem;
    color: #333;
}

.timezone-entry button {
    padding: 5px 10px;
    background-color: #d9534f;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
}

.timezone-entry button:hover {
    background-color: #c9302c;
}