* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #0f1115;
    color: #e1e1e1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: #1a1d24;
    padding: 20px;
    border-bottom: 2px solid #3b82f6;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

nav .logo {
    font-size: 24px;
    font-weight: bold;
    color: #3b82f6;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

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

nav a:hover {
    color: #3b82f6;
}

.container {
    max-width: 800px;
    margin: 40px auto;
    padding: 20px;
    background-color: #1a1d24;
    border-radius: 8px;
    width: 100%;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
}

input[type="text"], input[type="password"], input[type="email"] {
    width: 100%;
    padding: 10px;
    background-color: #0f1115;
    border: 1px solid #333;
    color: #fff;
    border-radius: 4px;
}

button, .btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #3b82f6;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
}

button:hover, .btn:hover {
    background-color: #2563eb;
}

.alert {
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
}

.alert-success { background-color: #059669; }
.alert-error { background-color: #dc2626; }

footer {
    margin-top: auto;
    background-color: #1a1d24;
    text-align: center;
    padding: 15px;
    border-top: 1px solid #2d3748;
}

.download-card {
    background: #0f1115;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}