* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    color: #222;
}

nav {
    background: orange;
    color: white;
    padding: 15px 30px;
    display: flex;
    gap: 20px;
    align-items: center;
}

nav h2 {
    margin: 0;
    margin-right: 20px;
    font-size: 22px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    text-decoration: underline;
}

main {
    max-width: 1000px;
    margin: 30px auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

h1, h2, h3 {
    margin-top: 0;
}

p {
    line-height: 1.5;
}

a {
    color: #2563eb;
}

form p {
    margin-bottom: 16px;
}

input, textarea, select {
    width: 100%;
    max-width: 500px;
    padding: 10px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 15px;
}

textarea {
    resize: vertical;
}

input[type="submit"], button {
    width: auto;
    background: #2563eb;
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 15px;
}

input[type="submit"]:hover, button:hover {
    background: #1d4ed8;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

table th,
table td {
    padding: 12px;
    border: 1px solid #e5e7eb;
    text-align: left;
}

table th {
    background: #f8fafc;
}

hr {
    margin: 30px 0;
    border: none;
    border-top: 1px solid #e5e7eb;
}