script.js

:root {
    --primary: #2563eb;
    --secondary: #1e40af;
    --accent: #3b82f6;
    --bg: #f8fafc;
    --surface: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

* {
    font-family: 'Sarabun', sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Animations */
@keyframes fade-in {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slide-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-soft {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.animate-fade-in {
    animation: fade-in 0.6s ease-out;
}

.animate-slide-up {
    animation: slide-up 0.5s ease-out;
}

.animate-pulse-soft {
    animation: pulse-soft 2s ease-in-out infinite;
}

/* Upload Zone Styles */
.upload-zone-dragover {
    border-color: var(--primary) !important;
    background-color: #eff6ff !important;
    transform: scale(1.02);
}

/* Glass Effect */
.glass {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* Data Card Hover Effects */
.data-card {
    transition: all 0.2s ease;
    border: 1px solid var(--border);
}

.data-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: #bfdbfe;
}

/* Floating Controls Container */
#floating-controls-container {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

#floating-controls-container::-webkit-scrollbar {
    display: none;
}

/* PDF Canvas Render */
#pdf-canvas, #preview-image {
    max-width: 100%;
    height: auto;
    box-shadow: var(--shadow-xl);
    border-radius: 8px;
}

/* Button Interactions */
.btn-interactive {
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.btn-interactive:active {
    transform: scale(0.95);
}

.btn-interactive::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

.btn-interactive:hover::after {
    width: 200px;
    height: 200px;
}

/* JSON Syntax Highlighting */
.json-key { color: #93c5fd; }
.json-string { color: #86efac; }
.json-number { color: #fca5a5; }
.json-boolean { color: #f9a8d4; }

/* Responsive Adjustments */
@media (max-width: 640px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    #preview-container {
        padding: 1rem;
        min-height: 300px;
    }
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white;
    }
    
    #results-section {
        display: block !important;
    }
}