body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background: #f8f9fa;
    color: #222;
}

header {
    background: #2d3e50;
    color: #fff;
    padding: 1.5rem 0 1rem 0;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
    letter-spacing: 2px;
}

nav {
    margin-top: 1rem;
}

nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 1.2rem;
    font-size: 1.1rem;
    transition: color 0.2s;
}

nav a:hover {
    color: #f9d342;
}

main {
    max-width: 800px;
    margin: 2rem auto;
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
}

.hero {
    text-align: center;
    padding: 2rem 0;
}

h2 {
    color: #2d3e50;
    margin-top: 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    padding: 0.8rem 1rem;
    text-align: left;
}

th {
    background: #f9d342;
    color: #2d3e50;
}

tr:nth-child(even) {
    background: #f4f4f4;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

input, select, button {
    padding: 0.7rem;
    border-radius: 4px;
    border: 1px solid #ccc;
    font-size: 1rem;
}

button {
    background: #2d3e50;
    color: #fff;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

button:hover {
    background: #f9d342;
    color: #2d3e50;
}

footer {
    text-align: center;
    padding: 1.2rem 0;
    background: #2d3e50;
    color: #fff;
    margin-top: 2rem;
    border-radius: 0 0 8px 8px;
}