/**
 * QRush QR Generator - Public Styles
 *
 * @link       https://qrush.dev
 * @since      3.1.0
 *
 * @package    QRushQRGenerator
 * @subpackage QRushQRGenerator/public/css
 */

/* Reset and Base Styles */
.qrush-qr-generator-container * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.qrush-qr-generator-container {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    overflow: hidden;
    margin: 20px auto;
    max-width: 1400px;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Header Styles */
.qr-generator-header {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: #ffffff;
    padding: 30px;
    text-align: center;
    border-radius: 15px 15px 0 0;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.qr-generator-header h2 {
    font-size: 40px;
    margin-bottom: 10px;
    font-weight: 700;
    color: #ffffff;
}

.qr-generator-header p {
    font-size: 18px;
    opacity: 0.9;
    color: #ffffff;
}

/* Main Content Grid */
.qr-generator-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 40px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

/* Controls Section */
.qr-controls {
    display: flex;
    flex-direction: column;
    gap: 25px;
    max-height: 85vh;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 15px;
    scrollbar-width: thin;
    scrollbar-color: #4facfe #f1f1f1;
}

.qr-controls::-webkit-scrollbar {
    width: 12px;
}

.qr-controls::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
    margin: 10px 0;
}

.qr-controls::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #4facfe, #357abd);
    border-radius: 10px;
    border: 2px solid #f1f1f1;
}

.qr-controls::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #357abd, #2c5aa0);
}

/* Control Groups */
.control-group {
    background: #ffffff;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    border-left: 4px solid #4facfe;
    transition: all 0.3s ease;
}

.control-group:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.control-group h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Input Groups */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 15px;
}

.input-group label {
    font-weight: 600;
    color: #555;
    font-size: 0.95rem;
}

/* Form Controls */
.qrush-qr-generator-container input,
.qrush-qr-generator-container textarea,
.qrush-qr-generator-container select {
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fafafa;
    width: 100%;
    box-sizing: border-box;
}

.qrush-qr-generator-container input[type="datetime-local"] {
    font-size: 0.9rem;
    padding: 10px 12px;
}

.qrush-qr-generator-container input:focus,
.qrush-qr-generator-container textarea:focus,
.qrush-qr-generator-container select:focus {
    outline: none;
    border-color: #4facfe;
    background: white;
    box-shadow: 0 0 0 3px rgba(79, 172, 254, 0.1);
}

.qrush-qr-generator-container textarea {
    resize: vertical;
    min-height: 80px;
}

/* Color Controls */
.color-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.color-input {
    display: flex;
    align-items: center;
    gap: 10px;
}

.qrush-qr-generator-container input[type="color"] {
    width: 50px !important;
    height: 50px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

/* Size Control */
.size-control {
    display: flex;
    align-items: center;
    gap: 15px;
}

.size-slider {
    flex: 1;
}

.size-slider input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    border-radius: 4px;
    background: #e0e0e0;
    outline: none;
}

.size-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #ffffff;
    border: 3px solid #4facfe;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.size-slider input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #ffffff;
    border: 3px solid #4facfe;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.size-display {
    background: #4facfe;
    color: #ffffff;
    padding: 10px 15px;
    border-radius: 20px;
    font-weight: 600;
    min-width: 80px;
    text-align: center;
}

/* Shape and Frame Options */
.shape-options,
.frame-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.shape-option,
.frame-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px 10px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #fafafa;
}

.shape-option:hover,
.frame-option:hover {
    border-color: #4facfe;
    background: #f0f8ff;
    transform: translateY(-2px);
}

.shape-option.selected,
.frame-option.selected {
    border-color: #4facfe;
    background: #e6f3ff;
}

.shape-preview,
.frame-preview {
    font-size: 24px;
    margin-bottom: 8px;
}

/* QR Preview Section */
.qr-preview-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    position: sticky;
    top: 20px;
}

.qr-container {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.qr-container h3 {
    color: #333;
    margin: 0;
    font-size: 1.2rem;
}

#qrcode {
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f9f9f9;
}

#qrcode canvas {
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Download Button */
.download-btn {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: #ffffff;
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(79, 172, 254, 0.3);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 172, 254, 0.4);
}

.download-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Footer */
.qr-generator-footer {
    text-align: center;
    padding: 15px 20px;
    background: #2c3e50;
    color: #ffffff;
    font-size: 14px;
    border-radius: 0 0 15px 15px;
}

/* Grid Layout */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* File Input */
.file-input-wrapper {
    position: relative;
    display: inline-block;
    cursor: pointer;
    width: 100%;
}

.file-input-wrapper input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-input-display {
    background: #f8f9fa;
    border: 2px dashed #ccc;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.file-input-display:hover {
    border-color: #4facfe;
    background: #f0f8ff;
}

.logo-preview {
    max-width: 100px;
    max-height: 100px;
    border-radius: 8px;
    margin-top: 10px;
    display: none;
}

/* Loading States */
.qrush-loading {
    position: relative;
}

.qrush-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #4facfe;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: qrush-spin 1s linear infinite;
}

@keyframes qrush-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Error States */
.qrush-error {
    color: #e74c3c;
    background: #fdf2f2;
    border: 1px solid #e74c3c;
    border-radius: 4px;
    padding: 10px;
    margin: 10px 0;
}

/* Success States */
.qrush-success {
    color: #27ae60;
    background: #f2fdf2;
    border: 1px solid #27ae60;
    border-radius: 4px;
    padding: 10px;
    margin: 10px 0;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.qrush-fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.qrush-slide-up {
    animation: slideUp 0.6s ease-out;
}

/* Tooltips */
.qrush-tooltip {
    position: relative;
    cursor: help;
}

.qrush-tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    z-index: 1000;
}

.qrush-tooltip:hover::after {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .qr-generator-content {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 20px;
    }
    
    .qr-generator-header h2 {
        font-size: 2rem;
    }
    
    .color-inputs,
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .qr-preview-section {
        position: static;
    }
    
    .qr-controls {
        max-height: 60vh;
    }
    
    .qrush-qr-generator-container input[type="datetime-local"] {
        font-size: 0.8rem;
        padding: 8px 10px;
    }
    
    .shape-options,
    .frame-options {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .qrush-qr-generator-container {
        margin: 10px;
        border-radius: 15px;
    }
    
    .qr-generator-header {
        padding: 20px;
    }
    
    .qr-generator-header h2 {
        font-size: 1.5rem;
    }
    
    .qr-generator-content {
        padding: 15px;
    }
    
    .control-group {
        padding: 20px;
    }
    
    .qrush-qr-generator-container input[type="datetime-local"] {
        font-size: 0.75rem;
        padding: 6px 8px;
    }
    
    .qr-controls {
        max-height: 50vh;
    }
    
    .qr-container {
        padding: 20px;
    }
    
    .download-btn {
        padding: 12px 24px;
        font-size: 14px;
    }
}

/* High DPI / Retina Display Support */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    #qrcode canvas {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Print Styles */
@media print {
    .qrush-qr-generator-container {
        box-shadow: none;
        background: white !important;
    }
    
    .qr-controls {
        display: none;
    }
    
    .qr-generator-content {
        grid-template-columns: 1fr;
        justify-items: center;
    }
    
    .qr-generator-header,
    .qr-generator-footer {
        background: white !important;
        color: black !important;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .qrush-qr-generator-container {
        background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    }
    
    .control-group {
        background: #34495e;
        color: #ecf0f1;
    }
    
    .control-group h3 {
        color: #ecf0f1;
    }
    
    .qrush-qr-generator-container input,
    .qrush-qr-generator-container textarea,
    .qrush-qr-generator-container select {
        background: #2c3e50;
        border-color: #34495e;
        color: #ecf0f1;
    }
    
    .qrush-qr-generator-container input:focus,
    .qrush-qr-generator-container textarea:focus,
    .qrush-qr-generator-container select:focus {
        background: #34495e;
        border-color: #4facfe;
    }
    
    .qr-container {
        background: #34495e;
    }
    
    .qr-container h3 {
        color: #ecf0f1;
    }
}

/* Accessibility Improvements */
.qrush-qr-generator-container *:focus {
    outline: 2px solid #4facfe;
    outline-offset: 2px;
}

.qrush-qr-generator-container button:focus,
.qrush-qr-generator-container input:focus,
.qrush-qr-generator-container select:focus,
.qrush-qr-generator-container textarea:focus {
    outline: 2px solid #4facfe;
    outline-offset: 2px;
}

/* Screen reader only content */
.qrush-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}