* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body {
    background-color: #e5e7eb;
    color: #1f2937;
    line-height: 1.4;
}

h3 {
    font-size: 20px;
    font-weight: 600;
    color: #111827;
    margin: 8px 0 2px 0;
}

h3:first-child {
    margin-top: 0;
}

.main {
    margin: 20px auto;
    max-width: 680px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 24px 28px;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
    transition: box-shadow 0.3s ease;
}

.main:hover {
    box-shadow: 0 6px 32px rgba(0, 0, 0, 0.12);
}

.linkovi {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.portfolio,
.linkovi a {
    display: flex;
    padding: 10px 14px;
    background-color: #f9fafb;
    border-radius: 8px;
    text-decoration: none;
    color: #1f2937;
    border: 1px solid #d1d5db;
    font-weight: 500;
    transition: all 0.25s ease;
}

.portfolio:hover,
.linkovi a:hover {
    background-color: #2563eb;
    color: #ffffff;
    border-color: #2563eb;
    transform: translateX(-4px);
}

.php {
    padding: 12px 16px;
    background-color: #f9fafb;
    border-radius: 8px;
    border: 2px dashed #e5e7eb;
    color: #111827;
}

form {
    background-color: #f9fafb;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 8px;
}

input{
    align-self: center;
    width: 200px;
    padding: 8px;
    border: 1px solid #d1d5db;
    border-radius: 4px;
}

button {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    color: #ffffff;
    background-color: #3b82f6;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    transition: all 0.25s ease;
}

button:hover {
    background-color: #2563eb;
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

button:active {
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

hr{
    margin: 2px 0;
    background-color: lightgray;
}