.error-message {
        color: red;
        font-size: 14px;
        margin-top: 4px;
    }
    button:disabled {
        background-color: #ccc;
        cursor: not-allowed;
    }

    #loadingModal {
        display: none;
        position: fixed;
        z-index: 1000;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0,0,0,0.6);
        backdrop-filter: blur(4px);
    }

    #loadingModal .loading-content {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        color: white;
        font-size: 20px;
        text-align: center;
    }

    /* Background from Unsplash */
    body {
        margin: 0;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        background: url('https://images.unsplash.com/photo-1501117716987-c8e4f7d1f9d1?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80') no-repeat center center fixed;
        background-size: cover;
    }

    .modal {
        display: none;
        position: fixed;
        z-index: 999;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        overflow: auto;
        background-color: rgba(0, 0, 0, 0.7);
    }

    .modal-content {
        background-color: rgba(255, 255, 255, 0.9);
        margin: 5% auto;
        padding: 30px;
        border: 1px solid #ccc;
        width: 600px;
        max-width: 90%;
        border-radius: 12px;
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        position: relative;
        backdrop-filter: blur(6px);
    }

    h2 {
        text-align: center;
        margin-bottom: 20px;
        font-size: 32px;
        color: #b48800; /* Gold Accent */
    }

    .input-group {
        margin-bottom: 20px;
    }

    .input-group label {
        display: block;
        margin-bottom: 8px;
        color: #444;
        font-weight: 600;
    }

    .input-group input {
        width: 100%;
        padding: 12px;
        border: 1px solid #ccc;
        border-radius: 6px;
        font-size: 16px;
    }

    button {
        width: 100%;
        padding: 12px;
        background-color: #b48800;
        color: white;
        font-size: 16px;
        border: none;
        border-radius: 6px;
        cursor: pointer;
        transition: background-color 0.3s ease;
    }

    button:hover {
        background-color: #a07500;
    }

    .close {
        position: absolute;
        right: 15px;
        top: 15px;
        font-size: 24px;
        font-weight: bold;
        color: #888;
        cursor: pointer;
    }

    .close:hover {
        color: #333;
    }

    a {
        color: #b48800;
        text-decoration: none;
        font-weight: bold;
    }

    a:hover {
        text-decoration: underline;
    }

    p {
        text-align: center;
        margin-top: 15px;
    }

    /* Scroll Lock for Modal */
    body.modal-open {
        overflow: hidden;
    }