body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f0f2f5;
    display: flex;
    justify-content: center;
    padding-top: 50px;
}
.login-card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    text-align: center;
    width: 400px;
}
.viewer-card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    width: 90%;
    max-width: 1000px;
    text-align: center;
}
input {
    padding: 12px;
    width: 80%;
    border: 1px solid #ddd;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 16px;
}
button {
    padding: 12px 25px;
    background: #28a745;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
}
button:hover {
    background: #218838;
}
.error {
    color: #dc3545;
    font-size: 0.9em;
    margin-bottom: 15px;
}
.honeypot {
    display: none;
}