/* QR Generator Styles */
.qr-generator-wrapper {
    font-family: 'Inter', sans-serif;
    max-width: 1200px;
    margin: 20px auto;
    background: #fff;
    border-radius: 12px;
    border: 1px solid #eee;
    overflow: hidden;
}

.qr-generator-container {
    display: flex;
    flex-direction: column;
}

/* Tabs */
.qr-tabs {
    display: flex;
    gap: 10px;
    padding: 20px;
    background: #f8f9fa;
    border-bottom: 1px solid #eee;
    overflow-x: auto;
}

.qr-tab-btn {
    background: none;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: #666;
    border-radius: 50px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.qr-tab-btn:hover {
    background: #e9ecef;
    color: #333;
}

.qr-tab-btn.active {
    background: #313131;
    /* Modern Purple */
    color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.qr-tab-btn .icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-tab-btn svg {
    width: 18px;
    height: 18px;
}

/* Main Area */
.qr-main-area {
    display: flex;
    min-height: 500px;
}

/* Left Sidebar: Controls */
.qr-controls {
    flex: 1;
    padding: 30px;
    border-right: 1px solid #eee;
    min-width: 300px;
}

.qr-tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.qr-tab-content.active {
    display: block;
}

.qr-tab-content h3 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 18px;
    color: #333;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #555;
    font-size: 14px;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
    font-family: inherit;
}

.form-group input[type="text"]:focus,
.form-group input[type="number"]:focus,
.form-group input[type="email"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #313131;
    outline: none;
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

/* Content Type Selector */
.qr-content-types {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 5px;
}

.qr-type-btn {
    background: #fff;
    border: 1px solid #eee;
    padding: 8px 16px;
    border-radius: 50px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: #666;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
    white-space: nowrap;
}

.qr-type-btn:hover {
    background: #f8f9fa;
    border-color: #ddd;
}

.qr-type-btn.active {
    background: #313131;
    color: #fff;
    border-color: #313131;
}

.qr-type-btn svg {
    width: 16px;
    height: 16px;
}

.qr-content-form {
    display: none;
}

.qr-content-form.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.form-group input[type="color"] {
    width: 100%;
    height: 40px;
    padding: 2px;
    border: 1px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
}

.form-group input[type="range"] {
    width: 100%;
}

/* Right Sidebar: Preview */
.qr-preview-area {
    flex: 0 0 400px;
    background: #f8f9fa;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    border-left: 1px solid #eee;
}

#qr-canvas {
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
}

#qr-canvas svg {
    width: 100% !important;
    height: auto !important;
    max-width: 300px;
    /* Prevent it from getting too huge on large screens if desired, or remove for full fluid */
}

/* Quality Control */
.qr-quality-control {
    width: 100%;
    margin-bottom: 20px;
    padding: 0 10px;
}

.quality-labels {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 12px;
    color: #888;
    font-weight: 500;
}

#quality-value {
    color: #333;
    font-weight: 700;
}

input[type=range] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    background: transparent;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 20px;
    width: 20px;
    border-radius: 50%;
    background: #313131;
    /* Dark thumb */
    border: 3px solid #fff;
    box-shadow: 0 0 0 1px #313131;
    cursor: pointer;
    margin-top: -8px;
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    cursor: pointer;
    background: #dce3f1;
    border-radius: 2px;
}

input[type=range]:focus {
    outline: none;
}

.qr-actions {
    width: 100%;
    display: flex;
    gap: 10px;
    justify-content: center;
}

.btn-primary,
.btn-secondary {
    flex: 1;
    padding: 12px 20px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: #313131;
    color: #fff;
}

.btn-primary:hover {
    background: #000000;
    transform: translateY(-1px);
}

.btn-secondary {
    background: #e9ecef;
    color: #333;
}

.btn-secondary:hover {
    background: #dee2e6;
    transform: translateY(-1px);
}

.btn-primary:active,
.btn-secondary:active {
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .qr-generator-wrapper {
        margin: 10px;
        border-radius: 8px;
    }

    .qr-main-area {
        flex-direction: column;
    }

    .qr-controls {
        border-right: none;
        border-bottom: 1px solid #eee;
        padding: 20px;
    }

    .qr-preview-area {
        flex: auto;
        border-left: none;
        padding: 20px;
    }

    .qr-tabs {
        padding: 10px;
        gap: 5px;
    }

    .qr-tab-btn {
        padding: 8px 12px;
        font-size: 13px;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .qr-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .qr-content-types {
        overflow-x: auto;
        padding-bottom: 10px;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}