@import url(https://fonts.googleapis.com/css?family=Poppins:100,100italic,200,200italic,300,300italic,regular,italic,500,500italic,600,600italic,700,700italic,800,800italic,900,900italic);

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Poppins, sans-serif;
}

body {
    background: linear-gradient(135deg, #81a8df, #c3cfd2);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    background-color: white;
    border-radius: 1rem;
    padding: 2rem;
    width: 100%;
    max-width: 800px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

h1 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #333;
    position: relative;
    padding-bottom: 0.5rem;
}

h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50%;
    height: 3px;
    background-color: #667eea;
    border-radius: 2px;
}

#generate-btn {
    background: linear-gradient(45deg, #667ee2, #764ba2);
    border: none;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 500;
    margin-bottom: 2rem;
    font-size: 1rem;
}

#generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 10px rgba(102, 126, 236, 0.3);
}

#generate-btn:active {
    transform: translateY(0px);
}

.palette-container {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.color-box {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}

.color-box:hover {
    transform: translateY(-5px);
}

.color {
    height: 120px;
    cursor: pointer;
}

.color-info {
    background-color: white;
    padding: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.9rem;
}

.hex-value {
    font-weight: 500;
    letter-spacing: 0.5px;
}

.copy-btn {
    cursor: pointer;
    color: #64748b;
    transition: color 0.2s;
}

.copy-btn:hover {
    color: #667eea;
}

@media(max-width:768px) {
    .palette-container {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
}