body {
    font-family: Arial, sans-serif;
    background-color: #f4f6f9;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}
.absensi-container {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
}
input[type="text"] {
    width: 90%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
}
.camera-section {
    width: 100%;
    height: 250px;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 15px;
}
video, img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
button {
    width: 100%;
    padding: 12px;
    margin: 5px 0;
    border: none;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
}
.btn-primary { background-color: #28a745; color: white; }
.btn-secondary { background-color: #007bff; color: white; }
.btn-danger { background-color: #dc3545; color: white; }
button:disabled { background-color: #cccccc; cursor: not-allowed; }