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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background 0.5s ease;
}

.container {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    text-align: center;
    max-width: 500px;
}

h1 {
    color: #667eea;
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

p {
    color: #555;
    font-size: 1.2rem;
    margin: 1rem 0;
}

#time {
    font-weight: bold;
    color: #764ba2;
}

button {
    margin-top: 2rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    background: #764ba2;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}