/* The QR Coder - Frontend Styles */

.qr-coder-user-interface {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.qr-coder-user-interface h2 {
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #0073aa;
}

/* Table Styles */
.qr-coder-codes {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
}

.qr-coder-codes thead {
    background: #f7f7f7;
}

.qr-coder-codes th,
.qr-coder-codes td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.qr-coder-codes th {
    font-weight: 600;
    color: #333;
}

.qr-coder-codes tbody tr:hover {
    background: #f9f9f9;
}

.qr-coder-codes img {
    display: block;
    max-width: 100px;
    height: auto;
    border: 1px solid #ddd;
    border-radius: 4px;
}

/* Form Styles */
.qr-coder-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}

.qr-coder-form label {
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.qr-coder-form input[type="url"] {
    padding: 10px 15px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: border-color 0.3s;
}

.qr-coder-form input[type="url"]:focus {
    outline: none;
    border-color: #0073aa;
    box-shadow: 0 0 0 1px #0073aa;
}

.qr-coder-form button[type="submit"] {
    padding: 12px 24px;
    background: #0073aa;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
    align-self: flex-start;
}

.qr-coder-form button[type="submit"]:hover {
    background: #005a87;
}

.qr-coder-form button[type="submit"]:active {
    background: #004768;
}

/* Message Box */
#message-box {
    padding: 15px;
    margin: 15px 0;
    border-radius: 4px;
    font-weight: 500;
}

#message-box.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

#message-box.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* QR Code Image Display */
#qr-code-img {
    display: block;
    margin: 20px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .qr-coder-user-interface {
        padding: 15px;
    }

    .qr-coder-codes {
        font-size: 14px;
    }

    .qr-coder-codes th,
    .qr-coder-codes td {
        padding: 8px;
    }

    .qr-coder-codes img {
        max-width: 60px;
    }

    .qr-coder-form button[type="submit"] {
        width: 100%;
    }
}

/* Loading State */
.qr-coder-form.loading button[type="submit"] {
    background: #ccc;
    cursor: not-allowed;
    position: relative;
}

.qr-coder-form.loading button[type="submit"]::after {
    content: "...";
    position: absolute;
    right: 10px;
}