:root {
    --primary-blue: #2563eb;
    --accent-purple: #9e569e;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --radius: 12px;
}

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

body {
    background-color: var(--primary-blue);
    font-family: 'Inter', 'Roboto', system-ui, sans-serif;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1rem;
}

.container {
    background: var(--white);
    border-radius: var(--radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 900px;
}

h1 {
    text-align: center;
    color: #1e293b;
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
}

.generator-btn {
    display: block;
    margin: 0 auto 2rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 50px;
    background: var(--accent-purple);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, background 0.2s;
    box-shadow: 0 4px 14px 0 rgba(158, 86, 158, 0.39);
}

.generator-btn:hover {
    background: #864686;
    transform: translateY(-2px);
}

.color-palette {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1.25rem;
}

.color-box {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s;
}

.color-box:hover {
    transform: scale(1.03);
}

.color-box.copied {
    outline: 3px solid #22c55e;
    outline-offset: 2px;
}
.box {
    height: 150px;
    width: 100%;
    cursor: pointer;
    border-bottom: 1px solid #eee;
}

.color-info {
    padding: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'Monaco', monospace;
    font-size: 0.9rem;
}

.fa-copy {
    cursor: pointer;
    color: #64748b;
}

.fa-copy:hover {
    color: var(--primary-blue);
}