/* ============================================================================
 * UPLOAD PAGE STYLES
 * 2025 Design System - File Upload Page Specific Styles
 * ============================================================================ */

/* Utility Classes */
.hidden {
    display: none !important;
}

.hidden-file-input {
    display: none;
}

.workflow-text {
    color: var(--color-text-secondary);
    font-style: italic;
    font-size: var(--font-size-sm);
}

/* Upload Section - page-specific styles only */
.upload-section {
    margin-bottom: var(--spacing-xl);
}

.upload-section h2 {
    margin: 0 0 var(--spacing-md) 0;
    color: var(--color-text);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.upload-section h2 i {
    color: var(--color-accent);
}

/* Upload Area */
.upload-area {
    border: 3px dashed var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xxl) var(--spacing-md);
    text-align: center;
    background: var(--color-surface-variant);
    transition: all var(--duration-medium) var(--easing-spring);
    cursor: pointer;
    position: relative;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-area:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-background);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.upload-area.dragover {
    border-color: var(--color-accent);
    background: var(--color-accent-background);
    transform: scale(1.02);
    box-shadow: var(--shadow-elevated);
}

.upload-content {
    pointer-events: none;
    width: 80%;
    max-width: none;
}

.upload-icon {
    font-size: 3em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    display: block;
    animation: float 3s ease-in-out infinite;
}

.upload-area h3 {
    margin: var(--spacing-md) 0 var(--spacing-xs) 0;
    color: var(--color-text);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

.upload-area p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* Supported Formats */
.supported-formats {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.format-tag {
    background: var(--color-primary-1);
    color: var(--color-primary-7);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border: 1px solid var(--color-primary-3);
    transition: all var(--transition-medium) var(--transition-ease);
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    margin: 0.125rem;
}

.format-tag:hover {
    background: var(--color-primary-2);
    border-color: var(--color-primary-5);
    color: var(--color-primary-8);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Upload Progress */
.upload-progress {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-surface-variant);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-subtle);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: var(--gradient-accent);
    width: 0%;
    transition: width var(--duration-medium) var(--easing-standard);
    border-radius: var(--radius-full);
}

.progress-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-align: center;
    font-weight: var(--font-weight-medium);
}

/* Files Section - upload-specific styles only */
.files-section {
    /* Card styling handled by page.css .card class */
}

/* Format Badges */
.format-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.format-badge.insomnia {
    background: var(--color-error-background);
    color: var(--color-error-text);
}

.format-badge.openapi {
    background: var(--color-success-background);
    color: var(--color-success-text);
}

.format-badge.swagger {
    background: var(--color-accent-background);
    color: var(--color-accent-text);
}

.format-badge.postman {
    background: var(--color-warning-background);
    color: var(--color-warning-text);
}

.format-badge.json {
    background: var(--color-success-background);
    color: var(--color-success-text);
}

.format-badge.yaml {
    background: #9b59b6;
    color: white;
}

.format-badge.other {
    background: var(--color-surface-variant);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

/* Status Badges */
.status-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.status-badge.ready {
    background: var(--color-success-background);
    color: var(--color-success-text);
}

.status-badge.error {
    background: var(--color-error-background);
    color: var(--color-error-text);
}

.status-badge.warning {
    background: var(--color-warning-background);
    color: var(--color-warning-text);
}

.status-badge.processing {
    background: var(--color-accent-background);
    color: var(--color-accent-text);
    position: relative;
    overflow: hidden;
}

.status-badge.processing::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shimmer 1.5s infinite;
}

.status-badge.uploaded {
    background: var(--color-surface-variant);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

/* Action Buttons - use standard design system classes */
.action-buttons {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: nowrap;
}

/* Remove button overrides - use standard design system styles from components.css */

/* Refresh and Icon Buttons */
.refresh-btn,
.btn-icon {
    background: var(--color-surface-variant);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-size: var(--font-size-sm);
    transition: all var(--duration-fast) var(--easing-standard);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 36px;
}

.refresh-btn:hover,
.btn-icon:hover {
    background: var(--color-accent-background);
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.refresh-btn:hover {
    transform: translateY(-1px) rotate(180deg);
}

.refresh-btn i,
.btn-icon i {
    margin: 0;
    transition: transform var(--duration-fast) var(--easing-standard);
}

/* Loading and Error States */
.loading {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--color-text-secondary);
    font-style: italic;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    min-height: 150px;
    justify-content: center;
}

.loading::before {
    content: '';
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin var(--duration-medium) linear infinite;
}

.error-message {
    background: var(--color-error-background);
    color: var(--color-error-text);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin: var(--spacing-md) 0;
    border: 1px solid var(--color-error-border);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.error-message::before {
    content: "⚠️";
    flex-shrink: 0;
    font-size: var(--font-size-md);
}

/* Notification */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    color: var(--color-text-on-accent);
    font-weight: var(--font-weight-medium);
    z-index: 1000;
    box-shadow: var(--shadow-elevated);
    transform: translateX(400px);
    transition: transform var(--duration-medium) var(--easing-spring);
    max-width: 300px;
    font-size: var(--font-size-sm);
}

.notification.info {
    background: var(--color-accent);
}

.notification.success {
    background: var(--color-success);
    color: var(--color-text-on-success);
}

.notification.warning {
    background: var(--color-warning);
    color: var(--color-warning-text);
}

.notification.error {
    background: var(--color-error);
    color: var(--color-text-on-error);
}

.notification[style*="block"] {
    transform: translateX(0);
}

/* Animation Keyframes */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .upload-page {
        padding: var(--spacing-sm);
    }
    
    .upload-page h1 {
        font-size: var(--font-size-xl);
        text-align: center;
    }
    
    .upload-card,
    .files-section {
        padding: var(--spacing-lg);
    }
    
    .upload-area {
        padding: var(--spacing-xl) var(--spacing-md);
        min-height: 150px;
    }
    
    .upload-icon {
        font-size: 2em;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .supported-formats {
        justify-content: center;
    }
    
    .action-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-small {
        justify-content: center;
    }
    
    .notification {
        right: 10px;
        left: 10px;
        transform: translateY(-100px);
        max-width: none;
    }
    
    .notification[style*="block"] {
        transform: translateY(0);
    }
    
    #files-table {
        font-size: var(--font-size-xs);
    }
    
    #files-table th,
    #files-table td {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .upload-area h3 {
        font-size: var(--font-size-md);
    }
    
    .supported-formats {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-xs);
    }
    
    .format-tag {
        min-width: 80px;
        text-align: center;
        justify-content: center;
    }
    
    .table-container {
        font-size: var(--font-size-xs);
    }
}

/* Dark Mode Adaptations */
[data-theme="dark"] .upload-area {
    border-color: var(--color-border-subtle);
}

[data-theme="dark"] .upload-area:hover,
[data-theme="dark"] .upload-area.dragover {
    border-color: var(--color-accent);
}

[data-theme="dark"] .format-badge.yaml {
    background: #8b4fb3;
    color: white;
}

/* Focus Management */
.upload-area:focus,
.btn:focus,
.btn-small:focus,
.refresh-btn:focus,
.btn-icon:focus {
    outline: 2px solid var(--color-focus-ring);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .upload-page {
        max-width: none;
        padding: 0;
    }
    
    .upload-section,
    .notification {
        display: none;
    }
    
    .files-section {
        box-shadow: none;
        border: 1px solid #000;
        break-inside: avoid;
    }
    
    .action-buttons {
        display: none;
    }
}