/* =====================================================
   UPSCALE PAGE - PREMIUM STYLES
   Version: 3.0 - Unified with Main Design System
   ===================================================== */

/* Additional Variables for Upscale - using main styles.css variables */
:root {
    /* Model-specific colors */
    --model-sharp: #FF6B35;
    --model-soft: #4ECDC4;
    --model-face: var(--primary-color);

    /* Use existing gradients from main styles */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #13e0a5 0%, #0fc77e 100%);

    /* Use main spacing system for consistency */
    --upscale-spacing-xs: var(--spacing-xs);
    --upscale-spacing-sm: var(--spacing-sm);
    --upscale-spacing-md: var(--spacing-md);
    --upscale-spacing-lg: var(--spacing-lg);
    --upscale-spacing-xl: var(--spacing-xl);

    /* Use main border radius for consistency */
    --upscale-radius-sm: var(--border-radius-sm);
    --upscale-radius-md: var(--border-radius);
    --upscale-radius-lg: var(--border-radius);
}

/* =====================================================
   LAYOUT STRUCTURE - Compact
   ===================================================== */

/* =====================================================
   HEADER STYLES - Compact
   ===================================================== */

.gradient-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.gradient-title .subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.header-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

/* =====================================================
   CARD SYSTEM
   ===================================================== */

.header-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-title i {
    font-size: 1.125rem;
    color: var(--primary-color);
}

.header-title h3 {
    margin: 0;
    font-size: 0.938rem;
    font-weight: 600;
    color: var(--text-primary);
}

.file-info {
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding: 3px 8px;
    background: var(--bg-secondary);
    border-radius: var(--upscale-radius-sm);
}

.header-controls {
    display: flex;
    gap: var(--spacing-xs);
}

.control-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(128, 128, 128, 0.08);
    border: none;
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.875rem;
}

.control-btn:hover {
    background: var(--primary-color);
    color: var(--ds-accent-ink);
    transform: scale(1.05);
}

/* =====================================================
   UPLOAD ZONE
   ===================================================== */

.upload-content i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--upscale-spacing-sm);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.upload-content h4 {
    margin: var(--upscale-spacing-sm) 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.upload-content p {
    margin: var(--upscale-spacing-xs) 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* =====================================================
   MODEL SELECTION
   ===================================================== */

.model-selection-grid {
    display: flex;
    gap: var(--upscale-spacing-sm);
    width: 100%;
    margin-bottom: var(--upscale-spacing-md);
}

.model-card {
    flex: 1;
    padding: 14px;
    background: rgba(128, 128, 128, 0.06);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: center;
    position: relative;
    overflow: hidden;
    min-width: 0;
}

.model-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-base);
}

.model-card:hover {
    transform: translateY(-2px);
    background: rgba(128, 128, 128, 0.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.model-card.active {
    background: linear-gradient(135deg, rgba(var(--primary-color-rgb), 0.1) 0%, rgba(var(--secondary-color-rgb), 0.1) 100%);
    box-shadow: 0 0 0 2px rgba(var(--primary-color-rgb), 0.3) inset;
}

.model-card.active::before {
    opacity: 0.05;
}

.model-icon {
    width: 36px;
    height: 36px;
    margin: 0 auto var(--upscale-spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(var(--primary-color-rgb), 0.1) 0%, rgba(var(--secondary-color-rgb), 0.1) 100%);
    border-radius: var(--upscale-radius-sm);
    position: relative;
    z-index: 1;
}

.model-card[data-model="sharp"] .model-icon {
    background: linear-gradient(135deg, rgba(var(--ds-danger-rgb), 0.1) 0%, rgba(var(--ds-danger-rgb), 0.1) 100%);
}

.model-card[data-model="soft"] .model-icon {
    background: linear-gradient(135deg, rgba(var(--ds-ok-rgb), 0.1) 0%, rgba(var(--ds-ok-rgb), 0.1) 100%);
}

.model-card[data-model="gfpgan"] .model-icon {
    background: linear-gradient(135deg, rgba(var(--primary-color-rgb), 0.1) 0%, rgba(var(--secondary-color-rgb), 0.1) 100%);
}

.model-icon i {
    font-size: 1rem;
    color: var(--primary-color);
}

.model-card[data-model="sharp"] .model-icon i {
    color: var(--model-sharp);
}

.model-card[data-model="soft"] .model-icon i {
    color: var(--model-soft);
}

.model-card[data-model="gfpgan"] .model-icon i {
    color: var(--model-face);
}

.model-info {
    position: relative;
    z-index: 1;
}

.model-info h4 {
    margin: 0 0 4px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.model-badge {
    display: inline-block;
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border-radius: var(--upscale-radius-sm);
    font-size: 0.688rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.model-info p {
    margin: 0;
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.3;
}

/* =====================================================
   SCALE SELECTOR
   ===================================================== */

.scale-selector {
    padding: var(--upscale-spacing-md);
}

.scale-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--upscale-spacing-sm);
    margin-bottom: var(--upscale-spacing-md);
}

.scale-btn {
    padding: 16px;
    background: rgba(128, 128, 128, 0.06);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: center;
    position: relative;
    user-select: none;
}

.scale-btn:hover:not(.disabled) {
    transform: translateY(-2px);
    background: rgba(128, 128, 128, 0.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.scale-btn.active {
    background: linear-gradient(135deg, rgba(var(--primary-color-rgb), 0.12) 0%, rgba(var(--secondary-color-rgb), 0.12) 100%);
    box-shadow: 0 0 0 2px rgba(var(--primary-color-rgb), 0.3) inset;
}

.scale-btn:active:not(.disabled) {
    transform: scale(0.98);
}

.scale-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.scale-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.scale-size {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.scale-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.scale-info i {
    color: var(--upscale-primary);
}

/* =====================================================
   ENHANCEMENT OPTIONS
   ===================================================== */

.enhancement-options {
    display: flex;
    flex-direction: column;
    gap: var(--upscale-spacing-sm);
}

.enhancement-toggle {
    display: flex;
    align-items: center;
    gap: var(--upscale-spacing-md);
    padding: 12px 16px;
    background: rgba(128, 128, 128, 0.04);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
    border: none;
}

.enhancement-toggle:hover {
    background: rgba(128, 128, 128, 0.08);
    transform: translateY(-1px);
}

.enhancement-toggle input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.toggle-track {
    width: 44px;
    height: 24px;
    background: var(--border-medium);
    border-radius: 12px;
    position: relative;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.toggle-track::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background: var(--ds-surface);
    border-radius: 50%;
    transition: var(--transition-fast);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.enhancement-toggle input[type="checkbox"]:checked+.toggle-track {
    background: var(--primary-color);
}

.enhancement-toggle input[type="checkbox"]:checked+.toggle-track::after {
    transform: translateX(20px);
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: var(--upscale-spacing-sm);
    user-select: none;
    flex: 1;
}

.toggle-label i {
    font-size: 1rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.enhancement-toggle input[type="checkbox"]:checked~.toggle-label i {
    color: var(--primary-color);
}

.toggle-label span {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* =====================================================
   FILE GRIDS
   ===================================================== */

.file-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg-tertiary);
    border: none;
    transition: var(--transition-fast);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.file-item:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.file-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.file-item .remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    background: rgba(var(--ds-danger-rgb), 0.9);
    color: var(--ds-on-media);
    border: none;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: var(--transition-fast);
}

.file-item:hover .remove-btn {
    opacity: 1;
}

/* =====================================================
   SELECTION SUMMARY
   ===================================================== */

.selection-summary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 14px 18px;
    background: transparent;
    border-radius: 0;
    margin-bottom: 0;
    border: none;
    border-bottom: 1px solid rgba(128, 128, 128, 0.1);
}

.selection-summary.compact {
    padding: 8px 12px;
    margin-bottom: var(--spacing-xs);
}

.selection-summary.compact .summary-item {
    flex-direction: row;
    gap: 6px;
}

.selection-summary.compact .summary-item i {
    font-size: 0.875rem;
}

.selection-summary.compact .summary-item span {
    font-size: 1rem;
    font-weight: 500;
}

.selection-summary.compact .summary-item label {
    font-size: 0.688rem;
    margin-left: 4px;
}

.summary-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.summary-item i {
    font-size: 1rem;
    color: var(--upscale-primary);
}

.summary-item span {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.summary-item label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.summary-divider {
    width: 1px;
    height: 40px;
    background: var(--border-light);
}

.action-buttons {
    display: flex;
    gap: var(--spacing-md);
    padding: 18px;
    background: var(--bg-elevated);
    border-radius: 14px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.25s ease;
    margin-top: var(--spacing-md);
}

/* =====================================================
   PROGRESS INDICATOR - Sleek Bottom Bar Design
   ===================================================== */

/* Progress card with slim design */

.progress-container {
    padding: 12px 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.progress-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.progress-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    border-radius: 50%;
    animation: pulse 1.5s ease infinite;
}

.progress-icon i {
    color: var(--ds-accent-ink);
    font-size: 0.875rem;
    animation: spin 2s linear infinite;
}

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

    to {
        transform: rotate(360deg);
    }
}

.progress-info {
    flex: 1;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.progress-header h4 {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.progress-bar {
    height: 4px;
    background: var(--bg-secondary);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 2px;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.progress-details {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.progress-details span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.progress-details i {
    font-size: 0.625rem;
    color: var(--text-tertiary);
}

/* Progress Header */

.progress-label {
    display: flex;
    align-items: center;
    gap: var(--upscale-spacing-sm);
    font-size: 0.938rem;
    font-weight: 600;
    color: var(--text-primary);
}

.progress-label i {
    font-size: 1rem;
    color: var(--primary-color);
}

/* Progress Track */

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

/* Progress Status */

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

    to {
        transform: rotate(360deg);
    }
}

/* Fallback for inline progress */
.progress-container.inline {
    padding: var(--spacing-md);
    position: static;
    transform: none;
}

/* =====================================================
   LOADING & EMPTY STATES
   ===================================================== */

.loading-state,
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
    text-align: center;
}

.loading-state i,
.empty-state i {
    font-size: 2rem;
    color: var(--upscale-primary);
    margin-bottom: var(--spacing-md);
}

.loading-state p,
.empty-state p {
    margin: 0;
    font-size: 0.938rem;
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */

@media (max-width: 768px) {

    .model-selection-grid {
        grid-template-columns: 1fr;
    }

    .scale-options {
        grid-template-columns: 1fr;
    }

    .gradient-title {
        font-size: 1.875rem;
    }

    .header-description {
        font-size: 1rem;
    }

    .action-buttons {
        flex-direction: column;
    }
}

/* =====================================================
   DARK MODE OVERRIDES
   ===================================================== */

.dark-mode .model-card,
.dark-mode .scale-btn,
.dark-mode .enhancement-toggle {
    background: var(--bg-tertiary);
    border-color: var(--border-dark);
}

.dark-mode .toggle-track {
    background: var(--bg-quaternary);
}

.dark-mode .file-info,
.dark-mode .model-badge,
.dark-mode .scale-info {
    background: var(--bg-tertiary);
}

/* Style browser footer içindeki selection-summary her zaman şeffaf olmalı */
.dark-mode .style-browser-footer .selection-summary {
    background: transparent !important;
}

.dark-mode .progress-bar {
    background: var(--bg-tertiary);
}

/* =====================================================
   ANIMATIONS
   ===================================================== */

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Pulse animation for active elements */
@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(var(--primary-color-rgb), 0.4);
    }

    50% {
        box-shadow: 0 0 0 8px rgba(var(--primary-color-rgb), 0);
    }
}

.model-card.active {
    animation: pulse 2s infinite;
}

/* =====================================================
   UTILITIES
   ===================================================== */

.disabled {
    opacity: 0.5;
    pointer-events: none;
    cursor: not-allowed !important;
}

.hidden {
    display: none !important;
}

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