body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #0f1117;
    color: #e4e6eb;
}

.container {
    width: 900px;
    margin: 60px auto;
    background: #1a1d24;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 0 30px rgba(0,0,0,0.4);
}

h1, h2 {
    margin-top: 0;
}

input, textarea, select {
    width: 100%;
    padding: 10px;
    background: #111318;
    border: 1px solid #2a2e39;
    border-radius: 8px;
    color: white;
}

button {
    padding: 10px 20px;
    background: #3a86ff;
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    margin-top: 10px;
}

button:hover {
    background: #5aa0ff;
}

.file {
    background: #12141a;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 10px;
}

a {
    color: #7ab4ff;
    text-decoration: none;
}

.nav {
    margin-bottom: 20px;
}