/* ===== QR Code Generator Styles ===== */

/* About Container */
.qr-about-container {
    background: rgba(15, 15, 26, 0.6);
    border: 1px solid rgba(139, 92, 246, 0.15);
    border-radius: 16px;
    padding: 1.5rem;
    margin-top: 8rem;
    padding-top: 1rem;
    border-top: 2px solid rgba(139, 92, 246, 0.2);
}

.qr-generator {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    min-height: 450px;
    background: var(--gradient-card);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 4rem;
}

.qr-input-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.qr-type-selector {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.qr-type-selector label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.qr-type-selector select {
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 2px solid rgba(139, 92, 246, 0.3);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.qr-type-selector select:focus {
    outline: none;
    border-color: var(--primary-violet);
}

.qr-type-selector select option {
    background: var(--bg-dark);
    color: var(--text-primary);
}

.qr-type-inputs {
    position: relative;
}

.qr-hidden {
    display: none;
}

.qr-type-inputs label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.qr-type-inputs label.mt-1 {
    margin-top: 1rem;
}

.qr-type-inputs input,
.qr-type-inputs textarea,
.qr-type-inputs select {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--bg-card);
    border: 2px solid rgba(139, 92, 246, 0.3);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
}

.qr-type-inputs input:focus,
.qr-type-inputs textarea:focus,
.qr-type-inputs select:focus {
    outline: none;
    border-color: var(--primary-violet);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.2);
}

.qr-type-inputs input::placeholder,
.qr-type-inputs textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.qr-type-inputs textarea {
    resize: vertical;
    min-height: 60px;
}

.qr-type-inputs select option {
    background: var(--bg-dark);
    color: var(--text-primary);
}

.qr-input-group {
    position: relative;
}

.qr-input-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.qr-input-group input[type="text"] {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border: 2px solid rgba(139, 92, 246, 0.3);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.qr-input-group input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-violet);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.2);
}

.qr-input-group input[type="text"]::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.char-count {
    position: absolute;
    right: 12px;
    bottom: -22px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.qr-options {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

.qr-option-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.qr-option-group label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
}

.qr-option-group select {
    padding: 0.75rem;
    background: var(--bg-card);
    border: 2px solid rgba(139, 92, 246, 0.3);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.qr-option-group select:focus {
    outline: none;
    border-color: var(--primary-violet);
}

.qr-option-group select option {
    background: var(--bg-dark);
    color: var(--text-primary);
}

.color-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: var(--bg-card);
    border: 2px solid rgba(139, 92, 246, 0.3);
    border-radius: 8px;
}

.color-input-wrapper input[type="color"] {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    background: transparent;
}

.color-input-wrapper input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-input-wrapper input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 6px;
}

.color-value {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: monospace;
}

.qr-generate-btn {
    padding: 1rem 2rem;
    background: var(--gradient-main);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition);
    margin-top: auto;
}

.qr-generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-violet);
}

.qr-generate-btn:active {
    transform: translateY(0);
}

.qr-output-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.qr-preview {
    width: 100%;
    min-height: 380px;
    max-height: 420px;
    background: var(--bg-card);
    border: 2px dashed rgba(139, 92, 246, 0.3);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    overflow: hidden;
}

.qr-preview canvas {
    max-width: 320px;
    max-height: 320px;
    width: auto;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.qr-preview img {
    max-width: 320px;
    max-height: 320px;
    width: auto;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

#qrCodeCanvas {
    max-width: 320px;
    max-height: 320px;
    width: auto;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.qr-placeholder-icon {
    text-align: center;
    color: var(--text-secondary);
}

.qr-placeholder-icon i {
    font-size: 4rem;
    opacity: 0.3;
    margin-bottom: 1rem;
}

.qr-placeholder-icon p {
    font-size: 0.9rem;
    opacity: 0.6;
}

.qr-loading {
    font-size: 2rem;
    color: var(--primary-violet);
}

.qr-error {
    text-align: center;
    color: #ef4444;
}

.qr-error i {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.qr-error p {
    font-size: 0.9rem;
}

.qr-fade-in {
    animation: qrFadeIn 0.4s ease;
}

@keyframes qrFadeIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.qr-actions {
    display: flex;
    gap: 1rem;
    width: 100%;
}

.qr-action-btn {
    flex: 1;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition);
    background: var(--primary-violet);
    color: white;
}

.qr-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(139, 92, 246, 0.4);
}

.qr-action-btn.secondary {
    background: transparent;
    border: 2px solid var(--primary-violet);
    color: var(--primary-violet);
}

.qr-action-btn.secondary:hover {
    background: var(--primary-violet);
    color: white;
}

.qr-toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--primary-violet);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 10px 40px rgba(139, 92, 246, 0.5);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 3000;
}

.qr-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* QR Generator Responsive */
@media (max-width: 768px) {
    .qr-generator {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .qr-options {
        grid-template-columns: 1fr;
    }

    .qr-preview {
        min-height: 220px;
    }

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

/* ===== QR Info Section ===== */
.qr-info-section h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.qr-info-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.qr-info-section h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.qr-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.qr-info-card {
    background: var(--bg-card);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 12px;
    padding: 1.25rem;
    transition: var(--transition);
}

.qr-info-card:hover {
    border-color: var(--primary-violet);
    transform: translateY(-2px);
}

.qr-info-card h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0;
    color: var(--primary-violet);
    font-size: 1rem;
}

.qr-info-card p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

.qr-steps {
    list-style: decimal;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.qr-steps li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.qr-features {
    background: rgba(139, 92, 246, 0.1);
    border-radius: 12px;
    padding: 1.25rem;
    margin: 1.5rem 0;
}

.qr-features h4 {
    margin-top: 0;
}

.qr-features ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.5rem;
    list-style: none;
    padding: 0;
}

.qr-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.qr-features li i {
    color: #22C55E;
    font-size: 0.85rem;
}

.qr-faq {
    margin-top: 1.5rem;
}

.faq-item {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(139, 92, 246, 0.1);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.5rem;
}

.faq-item p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* ===== Light Theme ===== */
.qr-generator.light-theme {
    background: #ffffff;
    border-color: #e0e0e0;
}

.qr-generator.light-theme .qr-type-selector label,
.qr-generator.light-theme .qr-option-group label {
    color: #666;
}

.qr-generator.light-theme .qr-type-selector select,
.qr-generator.light-theme .qr-option-group select {
    background: #f8f9fa;
    border-color: #e0e0e0;
    color: #1a1a2e;
}

.qr-generator.light-theme .qr-type-selector select option,
.qr-generator.light-theme .qr-option-group select option {
    background: #f8f9fa;
    color: #1a1a2e;
}

.qr-generator.light-theme .qr-type-inputs label {
    color: #666;
}

.qr-generator.light-theme .qr-type-inputs input,
.qr-generator.light-theme .qr-type-inputs textarea,
.qr-generator.light-theme .qr-type-inputs select {
    background: #f8f9fa;
    border-color: #e0e0e0;
    color: #1a1a2e;
}

.qr-generator.light-theme .char-count {
    color: #888;
}

.qr-generator.light-theme .color-input-wrapper .color-value {
    color: #666;
}

.qr-generator.light-theme .qr-output-section {
    background: #f8f9fa;
    border-color: #e0e0e0;
}

.qr-generator.light-theme .qr-placeholder-icon {
    color: #888;
}

.qr-generator.light-theme .qr-placeholder-icon p {
    color: #888;
}

.qr-about-container.light-theme {
    background: #ffffff;
    border-color: #e0e0e0;
}

.qr-about-container.light-theme h3 {
    color: #1a1a2e;
}

.qr-about-container.light-theme p,
.qr-about-container.light-theme li {
    color: #666;
}

.qr-about-container.light-theme .faq-item strong {
    color: #1a1a2e;
}

/* ===== LANDSCAPE RESPONSIVE DESIGN ===== */

/* Large Tablets and Small Laptops in Landscape (1024px - 1200px) */
@media screen and (orientation: landscape) and (max-width: 1200px) {
    .qr-generator {
        gap: 1.5rem;
        padding: 1.25rem;
        min-height: 400px;
    }
    
    .qr-preview {
        min-height: 340px;
        max-height: 380px;
    }
    
    .qr-preview canvas,
    .qr-preview img,
    #qrCodeCanvas {
        max-width: 280px;
        max-height: 280px;
    }
    
    .qr-about-container {
        margin-top: 6rem;
        padding: 1.25rem;
    }
    
    .qr-info-section h3 {
        font-size: 1.3rem;
    }
    
    .qr-info-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

/* Tablets in Landscape (768px - 1024px) */
@media screen and (orientation: landscape) and (max-width: 1024px) and (min-width: 768px) {
    .qr-generator {
        gap: 1.25rem;
        padding: 1rem;
        min-height: 350px;
        margin-bottom: 2rem;
    }
    
    .qr-input-section {
        gap: 1rem;
    }
    
    .qr-type-selector label,
    .qr-type-inputs label,
    .qr-option-group label {
        font-size: 0.8rem;
    }
    
    .qr-type-selector select,
    .qr-type-inputs input,
    .qr-type-inputs textarea,
    .qr-type-inputs select {
        padding: 0.6rem 0.8rem;
        font-size: 0.85rem;
    }
    
    .qr-options {
        gap: 0.75rem;
    }
    
    .qr-option-group select {
        padding: 0.6rem;
        font-size: 0.8rem;
    }
    
    .color-input-wrapper {
        padding: 0.4rem;
    }
    
    .color-input-wrapper input[type="color"] {
        width: 28px;
        height: 28px;
    }
    
    .color-value {
        font-size: 0.7rem;
    }
    
    .qr-generate-btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .qr-preview {
        min-height: 300px;
        max-height: 340px;
        padding: 1.5rem;
    }
    
    .qr-preview canvas,
    .qr-preview img,
    #qrCodeCanvas {
        max-width: 240px;
        max-height: 240px;
    }
    
    .qr-placeholder-icon i {
        font-size: 3rem;
    }
    
    .qr-placeholder-icon p {
        font-size: 0.8rem;
    }
    
    .qr-action-btn {
        padding: 0.7rem 1rem;
        font-size: 0.8rem;
    }
    
    /* About Section */
    .qr-about-container {
        margin-top: 4rem;
        padding: 1rem;
    }
    
    .qr-info-section h3 {
        font-size: 1.15rem;
    }
    
    .qr-info-section p {
        font-size: 0.85rem;
    }
    
    .qr-info-section h4 {
        font-size: 1rem;
        margin-top: 1rem;
    }
    
    .qr-info-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 0.75rem;
    }
    
    .qr-info-card {
        padding: 1rem;
    }
    
    .qr-info-card h4 {
        font-size: 0.9rem;
    }
    
    .qr-info-card p {
        font-size: 0.8rem;
    }
    
    .qr-steps li {
        font-size: 0.85rem;
    }
    
    .qr-features {
        padding: 1rem;
    }
    
    .qr-features ul {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .qr-features li {
        font-size: 0.85rem;
    }
    
    .faq-item strong {
        font-size: 0.9rem;
    }
    
    .faq-item p {
        font-size: 0.8rem;
    }
}

/* Small Tablets / Large Phones in Landscape (600px - 768px) */
@media screen and (orientation: landscape) and (max-width: 768px) and (min-width: 480px) {
    .qr-generator {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
        padding: 0.875rem;
        min-height: auto;
        margin-bottom: 1.5rem;
    }
    
    .qr-input-section {
        gap: 0.75rem;
    }
    
    .qr-type-selector {
        gap: 0.3rem;
    }
    
    .qr-type-selector label,
    .qr-type-inputs label,
    .qr-option-group label {
        font-size: 0.7rem;
    }
    
    .qr-type-selector select,
    .qr-type-inputs input,
    .qr-type-inputs textarea,
    .qr-type-inputs select {
        padding: 0.5rem 0.6rem;
        font-size: 0.75rem;
        border-radius: 8px;
    }
    
    .qr-type-inputs label.mt-1 {
        margin-top: 0.5rem;
    }
    
    .char-count {
        font-size: 0.6rem;
        bottom: -18px;
    }
    
    .qr-options {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 0.5rem;
    }
    
    .qr-option-group select {
        padding: 0.5rem;
        font-size: 0.7rem;
        border-radius: 6px;
    }
    
    .color-input-wrapper {
        padding: 0.3rem;
        border-radius: 6px;
    }
    
    .color-input-wrapper input[type="color"] {
        width: 22px;
        height: 22px;
    }
    
    .color-value {
        font-size: 0.6rem;
    }
    
    .qr-generate-btn {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
        border-radius: 8px;
    }
    
    .qr-generate-btn i {
        font-size: 0.8rem;
    }
    
    .qr-output-section {
        gap: 0.75rem;
    }
    
    .qr-preview {
        min-height: 200px;
        max-height: 260px;
        padding: 1rem;
        border-radius: 12px;
    }
    
    .qr-preview canvas,
    .qr-preview img,
    #qrCodeCanvas {
        max-width: 180px;
        max-height: 180px;
    }
    
    .qr-placeholder-icon i {
        font-size: 2.5rem;
    }
    
    .qr-placeholder-icon p {
        font-size: 0.7rem;
    }
    
    .qr-actions {
        gap: 0.5rem;
    }
    
    .qr-action-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.7rem;
        border-radius: 8px;
    }
    
    /* About Section */
    .qr-about-container {
        margin-top: 2rem;
        padding: 0.875rem;
        border-radius: 12px;
    }
    
    .qr-info-section h3 {
        font-size: 1rem;
        margin-bottom: 0.75rem;
    }
    
    .qr-info-section p {
        font-size: 0.75rem;
        margin-bottom: 0.75rem;
        line-height: 1.5;
    }
    
    .qr-info-section h4 {
        font-size: 0.85rem;
        margin-top: 0.75rem;
        margin-bottom: 0.5rem;
    }
    
    .qr-info-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 0.5rem;
        margin: 0.75rem 0;
    }
    
    .qr-info-card {
        padding: 0.75rem;
        border-radius: 10px;
    }
    
    .qr-info-card h4 {
        font-size: 0.75rem;
        gap: 0.3rem;
    }
    
    .qr-info-card p {
        font-size: 0.65rem;
    }
    
    .qr-steps {
        padding-left: 1.25rem;
    }
    
    .qr-steps li {
        font-size: 0.7rem;
        margin-bottom: 0.3rem;
    }
    
    .qr-features {
        padding: 0.75rem;
        border-radius: 10px;
        margin: 0.75rem 0;
    }
    
    .qr-features ul {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 0.3rem;
    }
    
    .qr-features li {
        font-size: 0.65rem;
        gap: 0.3rem;
    }
    
    .qr-features li i {
        font-size: 0.7rem;
    }
    
    .qr-faq {
        margin-top: 0.75rem;
    }
    
    .faq-item {
        margin-bottom: 0.75rem;
        padding-bottom: 0.75rem;
    }
    
    .faq-item strong {
        font-size: 0.75rem;
        margin-bottom: 0.3rem;
    }
    
    .faq-item p {
        font-size: 0.65rem;
    }
}

/* Mobile Phones in Landscape (height < 500px) */
@media screen and (orientation: landscape) and (max-height: 500px) {
    .qr-generator {
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
        padding: 0.75rem;
        min-height: auto;
        margin-bottom: 1rem;
        border-radius: 12px;
    }
    
    .qr-input-section {
        gap: 0.5rem;
    }
    
    .qr-type-selector {
        gap: 0.2rem;
    }
    
    .qr-type-selector label,
    .qr-type-inputs label,
    .qr-option-group label {
        font-size: 0.6rem;
        margin-bottom: 0.2rem;
    }
    
    .qr-type-selector select,
    .qr-type-inputs input,
    .qr-type-inputs textarea,
    .qr-type-inputs select {
        padding: 0.4rem 0.5rem;
        font-size: 0.65rem;
        border-radius: 6px;
        border-width: 1.5px;
    }
    
    .qr-type-inputs label.mt-1 {
        margin-top: 0.35rem;
    }
    
    .char-count {
        font-size: 0.5rem;
        bottom: -14px;
        right: 8px;
    }
    
    .qr-input-group label {
        margin-bottom: 0.2rem;
    }
    
    .qr-options {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 0.4rem;
    }
    
    .qr-option-group {
        gap: 0.2rem;
    }
    
    .qr-option-group select {
        padding: 0.35rem;
        font-size: 0.6rem;
        border-radius: 5px;
    }
    
    .color-input-wrapper {
        padding: 0.2rem 0.3rem;
        border-radius: 5px;
        gap: 0.25rem;
    }
    
    .color-input-wrapper input[type="color"] {
        width: 18px;
        height: 18px;
    }
    
    .color-value {
        font-size: 0.5rem;
    }
    
    .qr-generate-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.7rem;
        border-radius: 6px;
        gap: 0.3rem;
    }
    
    .qr-generate-btn i {
        font-size: 0.7rem;
    }
    
    .qr-output-section {
        gap: 0.5rem;
    }
    
    .qr-preview {
        min-height: 140px;
        max-height: 200px;
        padding: 0.75rem;
        border-radius: 10px;
    }
    
    .qr-preview canvas,
    .qr-preview img,
    #qrCodeCanvas {
        max-width: 130px;
        max-height: 130px;
        border-radius: 6px;
    }
    
    .qr-placeholder-icon i {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }
    
    .qr-placeholder-icon p {
        font-size: 0.6rem;
    }
    
    .qr-actions {
        gap: 0.4rem;
    }
    
    .qr-action-btn {
        padding: 0.4rem 0.5rem;
        font-size: 0.6rem;
        border-radius: 6px;
        gap: 0.25rem;
    }
    
    .qr-action-btn i {
        font-size: 0.6rem;
    }
    
    /* About Section */
    .qr-about-container {
        margin-top: 1.5rem;
        padding: 0.75rem;
        border-radius: 10px;
    }
    
    .qr-info-section h3 {
        font-size: 0.85rem;
        margin-bottom: 0.5rem;
    }
    
    .qr-info-section p {
        font-size: 0.65rem;
        margin-bottom: 0.5rem;
        line-height: 1.4;
    }
    
    .qr-info-section h4 {
        font-size: 0.75rem;
        margin-top: 0.5rem;
        margin-bottom: 0.35rem;
    }
    
    .qr-info-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 0.4rem;
        margin: 0.5rem 0;
    }
    
    .qr-info-card {
        padding: 0.5rem;
        border-radius: 8px;
    }
    
    .qr-info-card h4 {
        font-size: 0.65rem;
        gap: 0.25rem;
        margin-bottom: 0.25rem;
    }
    
    .qr-info-card h4 i {
        font-size: 0.6rem;
    }
    
    .qr-info-card p {
        font-size: 0.55rem;
        line-height: 1.3;
    }
    
    .qr-steps {
        padding-left: 1rem;
    }
    
    .qr-steps li {
        font-size: 0.6rem;
        margin-bottom: 0.2rem;
        line-height: 1.3;
    }
    
    .qr-features {
        padding: 0.5rem;
        border-radius: 8px;
        margin: 0.5rem 0;
    }
    
    .qr-features h4 {
        font-size: 0.7rem;
        margin-bottom: 0.3rem;
    }
    
    .qr-features ul {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 0.2rem;
    }
    
    .qr-features li {
        font-size: 0.55rem;
        gap: 0.2rem;
    }
    
    .qr-features li i {
        font-size: 0.55rem;
    }
    
    .qr-faq {
        margin-top: 0.5rem;
    }
    
    .faq-item {
        margin-bottom: 0.5rem;
        padding-bottom: 0.5rem;
    }
    
    .faq-item strong {
        font-size: 0.65rem;
        margin-bottom: 0.2rem;
    }
    
    .faq-item p {
        font-size: 0.55rem;
        line-height: 1.3;
    }
    
    .qr-toast {
        padding: 0.6rem 1.25rem;
        font-size: 0.75rem;
        border-radius: 30px;
    }
}

/* Very small mobile landscape (height < 400px) */
@media screen and (orientation: landscape) and (max-height: 400px) {
    .qr-generator {
        gap: 0.5rem;
        padding: 0.5rem;
        border-radius: 10px;
    }
    
    .qr-input-section {
        gap: 0.4rem;
    }
    
    .qr-type-selector label,
    .qr-type-inputs label,
    .qr-option-group label {
        font-size: 0.5rem;
    }
    
    .qr-type-selector select,
    .qr-type-inputs input,
    .qr-type-inputs textarea,
    .qr-type-inputs select {
        padding: 0.3rem 0.4rem;
        font-size: 0.55rem;
    }
    
    .qr-options {
        gap: 0.3rem;
    }
    
    .qr-option-group select {
        padding: 0.25rem;
        font-size: 0.5rem;
    }
    
    .color-input-wrapper input[type="color"] {
        width: 14px;
        height: 14px;
    }
    
    .color-value {
        font-size: 0.45rem;
    }
    
    .qr-generate-btn {
        padding: 0.35rem 0.5rem;
        font-size: 0.6rem;
    }
    
    .qr-preview {
        min-height: 100px;
        max-height: 150px;
        padding: 0.5rem;
    }
    
    .qr-preview canvas,
    .qr-preview img,
    #qrCodeCanvas {
        max-width: 100px;
        max-height: 100px;
    }
    
    .qr-placeholder-icon i {
        font-size: 1.5rem;
    }
    
    .qr-placeholder-icon p {
        font-size: 0.5rem;
    }
    
    .qr-action-btn {
        padding: 0.3rem 0.4rem;
        font-size: 0.5rem;
    }
    
    .qr-about-container {
        margin-top: 1rem;
        padding: 0.5rem;
    }
    
    .qr-info-section h3 {
        font-size: 0.7rem;
    }
    
    .qr-info-section p {
        font-size: 0.55rem;
    }
    
    .qr-info-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 0.3rem;
    }
    
    .qr-info-card {
        padding: 0.4rem;
    }
    
    .qr-info-card h4 {
        font-size: 0.55rem;
    }
    
    .qr-info-card p {
        font-size: 0.45rem;
    }
}