* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #000000;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.container {
    text-align: center;
    background: white;
    padding: 60px;
    border-radius: 0;
    box-shadow: none;
    border: 1px solid #000000;
}

h1 {
    font-size: 3em;
    margin-bottom: 20px;
    color: #000000;
}

.subtitle {
    font-size: 1.3em;
    color: #666;
    margin-bottom: 40px;
}

.buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

button {
    padding: 20px 40px;
    font-size: 1.2em;
    border: 1px solid #000000;
    border-radius: 0;
    cursor: pointer;
    font-weight: 600;
    transition: none;
    background: #000000;
    color: white;
}

button:hover {
    background: #1a1a1a;
}

.admin-btn {
    background: #000000;
    color: white;
}

.superadmin-btn {
    background: #111827;
    color: white;
}

.viewer-btn {
    background: #000000;
    color: white;
}