/* ==========================================================================
   GoConverter Custom Styles
   ========================================================================== */

/* Enhanced Conversion Styles */
.file-info-content {
    line-height: 1.6;
}

.file-info-content p {
    margin-bottom: 8px;
}

.file-info-content p:last-child {
    margin-bottom: 0;
}

/* Progress bar styles */
.upload-progress {
    width: 100%;
    height: 4px;
    background: #e9ecef;
    border-radius: 2px;
    margin-top: 15px;
    overflow: hidden;
}

.upload-progress-inner {
    height: 100%;
    background: linear-gradient(to right, var(--primary), var(--accent));
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 2px;
}

/* Download button styles */
.download-converted-file {
    animation: pulse 2s infinite;
    transition: all 0.3s ease;
}

.download-converted-file:hover {
    animation: none;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(76, 201, 240, 0.4);
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

/* Conversion status messages */
.conversion-status {
    padding: 15px;
    border-radius: var(--radius);
    margin: 15px 0;
    text-align: center;
}

.conversion-status.success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.conversion-status.error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

/* File type indicators */
.file-type-badge {
    display: inline-block;
    padding: 4px 8px;
    background: var(--light-gray);
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: 5px;
}

/* Enhanced tool cards */
.tool-card {
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.tool-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: var(--radius);
    z-index: -1;
}

.tool-card:hover::after {
    opacity: 0.05;
}

/* Enhanced buttons */
.btn, .tool-btn, .convert-btn {
    position: relative;
    overflow: hidden;
}

.btn::before, .tool-btn::before, .convert-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before, .tool-btn:hover::before, .convert-btn:hover::before {
    left: 100%;
}

/* Loading states */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Enhanced form elements */
.file-input {
    display: none;
}

.upload-area {
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--accent);
    transform: scale(1.01);
}

.upload-area.dragover {
    border-color: var(--primary);
    background: linear-gradient(135deg, #f8f9ff, #f0f4ff);
    transform: scale(1.02);
}

/* Success states */
.convert-btn.success {
    background: var(--success);
    animation: success-pulse 2s ease-in-out;
}

@keyframes success-pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Error states */
.convert-btn.error {
    background: var(--danger);
}

/* Responsive improvements */
@media (max-width: 768px) {
    .converter-container {
        margin: 0 10px;
        padding: 30px 20px;
    }
    
    .upload-area {
        padding: 40px 20px;
    }
    
    .file-info {
        padding: 15px;
    }
    
    .tool-card {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .converter-container {
        padding: 20px 15px;
    }
    
    .upload-area {
        padding: 30px 15px;
    }
    
    .upload-icon {
        font-size: 3rem;
    }
    
    .convert-btn, .download-converted-file {
        padding: 15px;
        font-size: 1.1rem;
    }
}

/* Print styles */
@media print {
    .site-header,
    .site-footer,
    .convert-btn,
    .upload-area {
        display: none !important;
    }
    
    .converter-container {
        box-shadow: none !important;
        border: none !important;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
.btn:focus,
.tool-btn:focus,
.convert-btn:focus,
.upload-area:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary: #0000ff;
        --secondary: #000080;
        --accent: #00ffff;
    }
    
    .tool-card {
        border: 2px solid var(--dark);
    }
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    .converter-tools {
        background: #1a1a1a;
    }
    
    .tool-card {
        background: #2d2d2d;
        color: #ffffff;
        border-color: #404040;
    }
    
    .tool-card h3 {
        color: #ffffff;
    }
    
    .tool-card p {
        color: #cccccc;
    }
}

/* Utility classes */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.hidden { display: none; }

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

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

/* File type colors */
.file-pdf { color: #ff6b6b; }
.file-word { color: #2b579a; }
.file-excel { color: #217346; }
.file-powerpoint { color: #d24726; }
.file-csv { color: #20c997; }

/* Enhanced footer */
.footer-column ul li a {
    position: relative;
    padding-left: 0;
    transition: all 0.3s ease;
}

.footer-column ul li a:hover {
    padding-left: 10px;
}

.footer-column ul li a::before {
    content: '▸';
    position: absolute;
    left: -15px;
    opacity: 0;
    transition: all 0.3s ease;
}

.footer-column ul li a:hover::before {
    opacity: 1;
    left: -10px;
}