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

body {
    font-family: 'Montserrat', sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    text-align: center;
    background: #0f0f1e;
    padding: 3rem 4rem;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(102, 126, 234, 0.2);
}

h1 {
    color: #e0e0e0;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.time-display {
    font-size: 4rem;
    font-weight: bold;
    color: #8b9aff;
    margin-bottom: 1rem;
    font-variant-numeric: tabular-nums;
}

.date-display {
    font-size: 1.5rem;
    color: #b0b0b0;
    margin-bottom: 2rem;
}

.timezone-select {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border: 2px solid #667eea;
    border-radius: 8px;
    background: #1a1a2e;
    color: #e0e0e0;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
}

.timezone-select:hover {
    background: #252540;
    border-color: #8b9aff;
}

.timezone-select:focus {
    border-color: #8b9aff;
    box-shadow: 0 0 0 3px rgba(139, 154, 255, 0.2);
}