/* ============================================
   QR Code Generator - Compact Pro Layout
   ============================================ */

/* Main 2-Column Layout */
.qr-generator-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--mk-space-xl);
    margin-bottom: var(--mk-space-xl);
}

@media (max-width: 992px) {
    .qr-generator-layout {
        grid-template-columns: 1fr;
    }
}

/* Left Column - Input & Settings */
.qr-generator-input-col {
    display: flex;
    flex-direction: column;
}

/* Right Column - Preview */
.qr-generator-preview-col {
    display: flex;
    flex-direction: column;
    gap: var(--mk-space-xs);
    min-width: 0;
    overflow: hidden;
}

/* ============================================
   Input Tabs
   ============================================ */
.qr-input-tabs {
    display: flex;
    gap: 0.25rem;
    margin-bottom: var(--mk-space-lg);
    border-bottom: 2px solid var(--mk-border);
    padding-bottom: 0;
}

.qr-input-tab {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.625rem 1rem;
    border: none;
    background: transparent;
    color: var(--mk-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--mk-transition-fast);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
}

.qr-input-tab:hover {
    color: var(--mk-primary);
    background: var(--mk-primary-light);
}

.qr-input-tab.active {
    color: var(--mk-primary);
    border-bottom-color: var(--mk-primary);
}

.qr-input-tab svg {
    flex-shrink: 0;
}

/* ============================================
   Input Content
   ============================================ */
.qr-input-content {
    display: none;
    margin-bottom: var(--mk-space-lg);
}

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

.qr-wifi-grid,
.qr-vcard-grid {
    display: grid;
    gap: var(--mk-space-sm);
}

/* ============================================
   Essential Settings
   ============================================ */
.qr-essential-settings {
    display: flex;
    flex-direction: column;
    gap: var(--mk-space-lg);
    margin-bottom: var(--mk-space-lg);
}

.qr-setting-group {
    display: flex;
    flex-direction: column;
    gap: var(--mk-space-xs);
}

.qr-setting-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--mk-text-secondary);
}

/* Size Presets */
.qr-size-presets {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.qr-preset-btn {
    padding: 0.5rem;
    border: 1px solid var(--mk-border);
    border-radius: var(--mk-radius-sm);
    background: var(--mk-card-bg);
    color: var(--mk-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--mk-transition-fast);
}

.qr-preset-btn:hover {
    border-color: var(--mk-primary);
    color: var(--mk-primary);
}

.qr-preset-btn.active {
    background: var(--mk-primary);
    color: white;
    border-color: var(--mk-primary);
}

/* Error Correction Compact */
.qr-ec-compact {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.qr-ec-btn {
    padding: 0.5rem;
    border: 1px solid var(--mk-border);
    border-radius: var(--mk-radius-sm);
    background: var(--mk-card-bg);
    color: var(--mk-text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--mk-transition-fast);
}

.qr-ec-btn:hover {
    border-color: var(--mk-primary);
    color: var(--mk-primary);
}

.qr-ec-btn.active {
    background: var(--mk-primary);
    color: white;
    border-color: var(--mk-primary);
}

/* ============================================
   Advanced Options Accordion
   ============================================ */
.qr-advanced-accordion {
    margin-top: var(--mk-space-lg);
}

.qr-accordion-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--mk-space-md);
    border: 1px solid var(--mk-border);
    border-radius: var(--mk-radius-md);
    background: var(--mk-bg);
    color: var(--mk-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--mk-transition-fast);
}

.qr-accordion-toggle:hover {
    background: var(--mk-card-bg);
    border-color: var(--mk-primary);
    color: var(--mk-primary);
}

.qr-accordion-toggle svg {
    transition: transform var(--mk-transition-fast);
}

.qr-accordion-toggle.active svg {
    transform: rotate(180deg);
}

.qr-accordion-content {
    display: none;
    padding: var(--mk-space-lg) 0 0;
}

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

.qr-advanced-section {
    margin-bottom: var(--mk-space-lg);
}

.qr-advanced-section:last-child {
    margin-bottom: 0;
}

.qr-advanced-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--mk-text-main);
    margin-bottom: var(--mk-space-sm);
}

/* ============================================
   Style Selector - Compact Horizontal
   ============================================ */
.qr-style-compact {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.5rem;
    margin-bottom: var(--mk-space-md);
}

.qr-style-btn {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    padding: 0.5rem;
    border: 2px solid var(--mk-border);
    border-radius: var(--mk-radius-sm);
    background: var(--mk-card-bg);
    color: var(--mk-text-secondary);
    cursor: pointer;
    transition: all var(--mk-transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-style-btn:hover {
    border-color: var(--mk-primary);
    color: var(--mk-primary);
    transform: translateY(-2px);
}

.qr-style-btn.active {
    border-color: var(--mk-primary);
    background: var(--mk-primary-light);
    color: var(--mk-primary);
}

.qr-style-btn svg {
    width: 24px;
    height: 24px;
}

/* ============================================
   Color Pickers
   ============================================ */
.qr-color-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--mk-space-md);
}

.qr-color-item {
    display: flex;
    flex-direction: column;
    gap: var(--mk-space-xs);
}

.qr-color-picker {
    display: flex;
    align-items: center;
    gap: var(--mk-space-sm);
}

.qr-color-preview {
    width: 40px;
    height: 40px;
    border-radius: var(--mk-radius-sm);
    border: 2px solid var(--mk-border);
    cursor: pointer;
    transition: all var(--mk-transition-fast);
    flex-shrink: 0;
}

.qr-color-preview:hover {
    transform: scale(1.05);
    border-color: var(--mk-primary);
}

.qr-color-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.qr-color-hex {
    font-size: 0.875rem;
    font-family: monospace;
    color: var(--mk-text-muted);
}

/* ============================================
   Logo Upload - Compact
   ============================================ */
.qr-logo-compact {
    position: relative;
}

.qr-logo-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: var(--mk-space-lg);
    border: 2px dashed var(--mk-border);
    border-radius: var(--mk-radius-md);
    background: var(--mk-bg);
    cursor: pointer;
    transition: all var(--mk-transition-fast);
}

.qr-logo-placeholder:hover {
    border-color: var(--mk-primary);
    background: var(--mk-primary-light);
}

.qr-logo-placeholder svg {
    color: var(--mk-text-light);
}

.qr-logo-placeholder span {
    font-size: 0.875rem;
    color: var(--mk-text-muted);
}

.qr-logo-preview-compact {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--mk-space-md);
    border: 1px solid var(--mk-border);
    border-radius: var(--mk-radius-md);
    background: var(--mk-card-bg);
}

.qr-logo-preview-compact img {
    max-width: 100px;
    max-height: 100px;
    border-radius: var(--mk-radius-sm);
}

.qr-logo-remove {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 50%;
    background: var(--mk-primary);
    color: white;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    transition: all var(--mk-transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-logo-remove:hover {
    background: var(--mk-primary-hover);
    transform: scale(1.1);
}

/* ============================================
   Slider - Compact
   ============================================ */
.qr-slider-compact {
    display: flex;
    flex-direction: column;
    gap: var(--mk-space-xs);
}

.qr-slider-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--mk-text-secondary);
}

.qr-slider-value {
    font-weight: 600;
    color: var(--mk-primary);
    font-variant-numeric: tabular-nums;
}

/* ============================================
   Preview Card
   ============================================ */
.qr-preview-card {
    display: flex;
    flex-direction: column;
}

.qr-preview-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    margin-bottom: var(--mk-space-md);
}

.qr-preview-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--mk-space-lg);
    background: repeating-conic-gradient(#f8f9fa 0% 25%, #fff 0% 50%) 50%/16px 16px;
    border-radius: var(--mk-radius-md);
    border: 1px solid var(--mk-border);
}

[data-theme="dark"] .qr-preview-container {
    background: repeating-conic-gradient(#1e293b 0% 25%, #0f172a 0% 50%) 50%/16px 16px;
}

.qr-preview-canvas {
    display: block;
    max-width: 100%;
    height: auto;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

.qr-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: var(--mk-space-md);
    font-size: 0.875rem;
    color: var(--mk-text-muted);
}

.qr-status svg {
    flex-shrink: 0;
}

.qr-preview-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--mk-text-muted);
    margin-bottom: var(--mk-space-md);
    flex-wrap: wrap;
}

.qr-preview-info-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.qr-preview-info-sep {
    color: var(--mk-border);
}

.qr-preview-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--mk-space-sm);
}

.qr-preview-actions .mk-btn {
    width: 100%;
}

.mk-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ============================================
   History - Compact & Collapsible
   ============================================ */
.qr-history-compact {
    border: 1px solid var(--mk-border);
    border-radius: var(--mk-radius-md);
    overflow: hidden;
    width: 100%;
}

.qr-history-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--mk-space-sm);
    border: none;
    background: var(--mk-bg);
    color: var(--mk-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--mk-transition-fast);
}

.qr-history-toggle:hover {
    background: var(--mk-card-bg);
    color: var(--mk-primary);
}

.qr-history-toggle svg {
    transition: transform var(--mk-transition-fast);
}

.qr-history-toggle.active svg {
    transform: rotate(180deg);
}

.qr-history-content {
    display: none;
    background: var(--mk-card-bg);
    border-top: 1px solid var(--mk-border);
}

.qr-history-scroll {
    display: flex;
    gap: var(--mk-space-sm);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: var(--mk-space-sm);
    max-height: 180px;
    width: 100%;
}

/* Scrollbar styling for light and dark themes */
.qr-history-scroll::-webkit-scrollbar {
    height: 8px;
}

.qr-history-scroll::-webkit-scrollbar-track {
    background: var(--mk-bg);
    border-radius: 4px;
}

.qr-history-scroll::-webkit-scrollbar-thumb {
    background: var(--mk-border);
    border-radius: 4px;
}

.qr-history-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--mk-text-muted);
}

/* Firefox scrollbar */
.qr-history-scroll {
    scrollbar-width: thin;
    scrollbar-color: var(--mk-border) var(--mk-bg);
}

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



.qr-history-item {
    flex-shrink: 0;
    width: 100px;
    border: 1px solid var(--mk-border);
    border-radius: var(--mk-radius-sm);
    padding: var(--mk-space-xs);
    cursor: pointer;
    transition: all var(--mk-transition-fast);
    text-align: center;
}

.qr-history-item:hover {
    border-color: var(--mk-primary);
    transform: translateY(-2px);
    box-shadow: var(--mk-shadow-sm);
}

.qr-history-preview {
    width: 100%;
    aspect-ratio: 1;
    margin-bottom: var(--mk-space-xs);
    border-radius: var(--mk-radius-sm);
    overflow: hidden;
    background: repeating-conic-gradient(#f8f9fa 0% 25%, #fff 0% 50%) 50%/8px 8px;
}

[data-theme="dark"] .qr-history-preview {
    background: repeating-conic-gradient(#1e293b 0% 25%, #0f172a 0% 50%) 50%/8px 8px;
}

.qr-history-preview img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.qr-history-time {
    font-size: 0.75rem;
    color: var(--mk-text-muted);
}

.qr-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--mk-space-xl);
    color: var(--mk-text-muted);
    text-align: center;
}

.qr-empty-state svg {
    margin-bottom: var(--mk-space-sm);
    opacity: 0.5;
}

.qr-empty-state p {
    font-size: 0.875rem;
    margin: 0;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 992px) {
    .qr-preview-card {
        position: static;
    }
}

@media (max-width: 576px) {
    .qr-size-presets {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .qr-color-row {
        grid-template-columns: 1fr;
    }
    
    .qr-preview-actions {
        grid-template-columns: 1fr;
    }
}