:root {
    --primary: #5653f5;
    --secondary: #e374d8;
    --bg-light: #f9f9ff;
    --text-dark: #222;
    --border-color: #ddd;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
}

header, footer {
    background-color: var(--primary);
    color: white;
    padding: 1rem;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

main {
    margin: 2rem auto;
    padding: 1rem;
    max-width: 960px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.05);
}

h1, h2 {
    margin-top: 0;
    color: var(--primary);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

th {
    background-color: var(--primary);
    color: white;
    padding: 0.75rem;
    text-align: left;
}

td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

tr:nth-child(even) {
    background-color: #f0f2ff;
}

form {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

input[type="number"] {
    width: 4rem;
    padding: 0.4rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

button {
    background-color: var(--secondary);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

button:hover {
    background-color: #d45fc3;
}