body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: linear-gradient(135deg, #1E1E1E, #3A3A3A);
}
.timezone-container {
    margin-bottom: 20px;
    text-align: center;
}
.timezone-label {
    font-size: 20px;
    color: #FFF;
    font-family: 'Arial', sans-serif;
    margin-bottom: 5px;
    font-weight: bold;
}
.timezone-selector {
    font-size: 18px;
    padding: 10px;
    border-radius: 8px;
    border: 2px solid #ddd;
    background: #222;
    color: white;
    font-weight: bold;
    text-align: center;
    outline: none;
    cursor: pointer;
    transition: all 0.3s ease;
}
.timezone-selector:hover {
    background: #444;
    border-color: #bbb;
}
.clock-container {
    position: relative;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, #F0F0F0, #D1D1D1);
    border: 10px solid #222;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0px 15px 40px rgba(0, 0, 0, 0.8), inset 0px 5px 10px rgba(255, 255, 255, 0.3);
}
.clock-numbers {
    position: absolute;
    width: 100%;
    height: 100%;
}
.clock-numbers span {
    position: absolute;
    color: #111;
    font-size: 26px;
    font-weight: bold;
    font-family: 'Arial', sans-serif;
    transform: translate(-50%, -50%);
}
.hand {
    position: absolute;
    bottom: 50%;
    left: 50%;
    transform-origin: bottom;
    transform: translateX(-50%) rotate(0deg);
    border-radius: 5px;
    transition: transform 0.5s ease-in-out;
}
.hour {
    width: 10px;
    height: 70px;
    background: #222;
    border-radius: 4px;
}
.minute {
    width: 6px;
    height: 100px;
    background: #555;
    border-radius: 3px;
}
.second {
    width: 2px;
    height: 120px;
    background: #E74C3C;
    border-radius: 2px;
}
.clock-center {
    position: absolute;
    width: 16px;
    height: 16px;
    background: #000;
    border-radius: 50%;
    z-index: 10;
    border: 3px solid #EEE;
}
.digital-clock {
    margin-top: 25px;
    font-size: 30px;
    color: #FFF;
    text-align: center;
    font-family: 'Arial', sans-serif;
    font-weight: bold;
}