body {
    background: linear-gradient(135deg, #1e1e2f, #2d3436);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    font-family: 'Poppins', sans-serif;
    color: white;
}

.stopwatch-container {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 350px;
}

h1 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #00d2ff;
}

.display {
    font-family: 'Orbitron', sans-serif; /* Digital look font */
    font-size: 3.5rem;
    background: #000;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 30px;
    color: #00ff88;
    box-shadow: inset 0 0 10px rgba(0, 255, 136, 0.5);
}

.btns {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.btn {
    padding: 12px 20px;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
}
 

/* Button Colors */
.start { background-color: #00ff88; color: #1e1e2f; }
.stop { background-color: #ff4757; color: white; }
.reset { background-color: #f1c40f; color: #1e1e2f; }

/* Hover Effects */
.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    filter: brightness(1.2);
}

.btn:active {
    transform: translateY(0);
}