/* Enhanced Settings Panel */
.settings-panel {
    position: fixed;
    top: 0;
    right: -420px;
    width: 420px;
    height: 100vh;
    background: var(--bg-glass);
    backdrop-filter: blur(30px);
    border-left: 1px solid var(--border);
    border-image: var(--accent-gradient) 1;
    z-index: 200;
    transition: right 0.4s var(--bounce);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.settings-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent-gradient);
    opacity: 0.02;
    pointer-events: none;
}

.settings-panel.open {
    right: 0;
    animation: slideInFromRight 0.4s var(--bounce);
}

@keyframes slideInFromRight {
    from {
        right: -420px;
        opacity: 0;
    }
    to {
        right: 0;
        opacity: 1;
    }
}

.settings-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    flex-shrink: 0;
    position: relative;
}

.settings-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--accent-gradient);
    opacity: 0.3;
}

.settings-header h3 {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-icon {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: var(--accent-primary);
    color: white;
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

/* Enhanced Format Buttons */
.format-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.format-btn {
    background: var(--bg-tertiary);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    position: relative;
    overflow: hidden;
}

.format-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition);
}

.format-btn:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.format-btn:hover::before {
    opacity: 0.05;
}

.format-btn.active {
    border-color: var(--accent-primary);
    background: var(--bg-glass);
    box-shadow: var(--shadow-glow);
    transform: scale(1.02);
}

.format-btn.active::before {
    opacity: 0.1;
}

.format-name {
    display: block;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-base);
}

.format-desc {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* Enhanced Sliders */
.slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--bg-tertiary);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    position: relative;
}

.slider::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 8px;
    border-radius: 4px;
    background: var(--accent-gradient);
    width: var(--slider-progress, 50%);
    transition: var(--transition);
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: white;
    cursor: pointer;
    box-shadow: 0 0 0 3px var(--accent-primary), var(--shadow);
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 0 4px var(--accent-primary), 0 0 20px var(--accent-glow);
}

.slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: white;
    cursor: pointer;
    border: 3px solid var(--accent-primary);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

/* Enhanced Image Grid */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.image-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
}

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

.image-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.image-card:hover::before {
    opacity: 0.05;
}

.image-preview {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: var(--bg-tertiary);
    transition: var(--transition);
}

.image-card:hover .image-preview {
    transform: scale(1.05);
}

/* Enhanced Processing Dashboard */
.processing-dashboard {
    background: var(--bg-glass);
    backdrop-filter: blur(30px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    text-align: center;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.processing-dashboard::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent-gradient);
    opacity: 0.03;
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0%, 100% { opacity: 0.03; }
    50% { opacity: 0.08; }
}

.progress-ring {
    position: relative;
    display: inline-block;
}

.progress-circle {
    transform: rotate(-90deg);
    filter: drop-shadow(0 0 20px var(--accent-glow));
}

#progress-bar {
    stroke: var(--accent-primary);
    stroke-linecap: round;
    transition: stroke-dashoffset 0.5s ease;
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

#progress-percentage {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px var(--accent-glow);
}

/* Enhanced Toast Notifications */
.toast {
    background: var(--bg-glass);
    backdrop-filter: blur(30px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    min-width: 350px;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transform: translateX(100%);
    animation: slideInToast 0.5s var(--bounce) forwards;
    position: relative;
    overflow: hidden;
}

.toast::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent-gradient);
    opacity: 0.05;
}

@keyframes slideInToast {
    to {
        transform: translateX(0);
    }
}

.toast.success {
    border-left: 4px solid var(--success);
    box-shadow: var(--shadow-xl), 0 0 20px var(--success-glow);
}

.toast.error {
    border-left: 4px solid var(--error);
    box-shadow: var(--shadow-xl), 0 0 20px var(--error-glow);
}

.toast.warning {
    border-left: 4px solid var(--warning);
    box-shadow: var(--shadow-xl), 0 0 20px var(--warning-glow);
}

/* Loading Spinner Enhancement */
.spinner {
    width: 60px;
    height: 60px;
    border: 6px solid var(--bg-tertiary);
    border-top: 6px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    filter: drop-shadow(0 0 20px var(--accent-glow));
}

/* Hover effects for all interactive elements */
.clickable {
    cursor: pointer;
    transition: var(--transition);
}

.clickable:hover {
   transform: translateY(-2px);
   filter: brightness(1.1);
}

/* Enhanced Settings Content */
.settings-content {
   flex: 1;
   overflow-y: auto;
   padding: var(--spacing-xl);
   position: relative;
}

.settings-content::-webkit-scrollbar {
   width: 6px;
}

.settings-content::-webkit-scrollbar-track {
   background: transparent;
}

.settings-content::-webkit-scrollbar-thumb {
   background: var(--accent-primary);
   border-radius: 3px;
   opacity: 0.7;
}

.settings-section {
   margin-bottom: var(--spacing-2xl);
   padding: var(--spacing-xl);
   background: var(--bg-glass);
   border-radius: var(--radius-lg);
   border: 1px solid var(--border);
   backdrop-filter: blur(20px);
   position: relative;
   transition: var(--transition);
}

.settings-section::before {
   content: '';
   position: absolute;
   top: 0;
   left: 0;
   right: 0;
   bottom: 0;
   background: var(--accent-gradient);
   opacity: 0;
   transition: var(--transition);
   border-radius: var(--radius-lg);
}

.settings-section:hover::before {
   opacity: 0.02;
}

.section-title {
   font-size: var(--font-size-xl);
   font-weight: 700;
   margin-bottom: var(--spacing-lg);
   background: var(--accent-gradient);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
   position: relative;
   z-index: 1;
}

.section-title::after {
   content: '';
   position: absolute;
   bottom: -8px;
   left: 0;
   width: 40px;
   height: 2px;
   background: var(--accent-gradient);
   border-radius: 1px;
}

.setting-group {
   margin-bottom: var(--spacing-xl);
   position: relative;
   z-index: 1;
}

.setting-label {
   display: block;
   font-size: var(--font-size-sm);
   font-weight: 600;
   margin-bottom: var(--spacing-md);
   color: var(--text-secondary);
   text-transform: uppercase;
   letter-spacing: 0.5px;
}

/* Enhanced Input Fields */
.text-input, .select-input {
   width: 100%;
   padding: var(--spacing-md) var(--spacing-lg);
   background: var(--bg-tertiary);
   border: 2px solid var(--border);
   border-radius: var(--radius-lg);
   color: var(--text-primary);
   font-size: var(--font-size-sm);
   font-weight: 500;
   transition: var(--transition);
   backdrop-filter: blur(10px);
}

.text-input:focus, .select-input:focus {
   outline: none;
   border-color: var(--accent-primary);
   box-shadow: 0 0 0 4px var(--accent-glow);
   transform: translateY(-1px);
}

/* Enhanced Font Style Buttons */
.font-style-buttons {
   display: flex;
   gap: var(--spacing-sm);
   flex-wrap: wrap;
}

.style-btn {
   background: var(--bg-tertiary);
   border: 2px solid var(--border);
   border-radius: var(--radius-lg);
   padding: var(--spacing-sm) var(--spacing-lg);
   cursor: pointer;
   transition: var(--transition);
   font-size: var(--font-size-sm);
   font-weight: 600;
   color: var(--text-secondary);
   min-width: 80px;
   position: relative;
   overflow: hidden;
}

.style-btn::before {
   content: '';
   position: absolute;
   top: 0;
   left: 0;
   right: 0;
   bottom: 0;
   background: var(--accent-gradient);
   opacity: 0;
   transition: var(--transition);
}

.style-btn:hover {
   border-color: var(--accent-primary);
   color: var(--text-primary);
   transform: translateY(-2px);
   box-shadow: var(--shadow-glow);
}

.style-btn:hover::before {
   opacity: 0.1;
}

.style-btn.active {
   border-color: var(--accent-primary);
   background: var(--accent-primary);
   color: white;
   box-shadow: var(--shadow-glow);
   transform: scale(1.05);
}

/* Enhanced Font Preview */
.font-preview {
   margin-top: var(--spacing-lg);
   padding: var(--spacing-xl);
   background: var(--bg-secondary);
   border-radius: var(--radius-lg);
   text-align: center;
   border: 2px solid var(--border);
   backdrop-filter: blur(20px);
   position: relative;
   overflow: hidden;
}

.font-preview::before {
   content: '';
   position: absolute;
   top: 0;
   left: 0;
   right: 0;
   bottom: 0;
   background: var(--accent-gradient);
   opacity: 0.03;
}

.font-preview-text {
   font-size: 28px;
   color: var(--text-primary);
   margin-bottom: var(--spacing-sm);
   text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
   position: relative;
   z-index: 1;
}

.font-preview-info {
   font-size: var(--font-size-sm);
   color: var(--text-muted);
   font-weight: 500;
   position: relative;
   z-index: 1;
}

/* Enhanced Watermark Upload */
.watermark-upload {
   text-align: center;
   padding: var(--spacing-xl);
   border: 3px dashed var(--border);
   border-radius: var(--radius-xl);
   transition: var(--transition);
   background: var(--bg-tertiary);
   position: relative;
   cursor: pointer;
}

.watermark-upload::before {
   content: '';
   position: absolute;
   top: 0;
   left: 0;
   right: 0;
   bottom: 0;
   background: var(--accent-gradient);
   opacity: 0;
   transition: var(--transition);
   border-radius: var(--radius-xl);
}

.watermark-upload:hover {
   border-color: var(--accent-primary);
   transform: translateY(-4px);
   box-shadow: var(--shadow-glow);
}

.watermark-upload:hover::before {
   opacity: 0.05;
}

.watermark-preview {
   margin-top: var(--spacing-lg);
   position: relative;
   display: inline-block;
   padding: var(--spacing-md);
   background: var(--bg-glass);
   border-radius: var(--radius-lg);
   border: 2px solid var(--border);
   backdrop-filter: blur(20px);
   transition: var(--transition);
}

.watermark-preview:hover {
   transform: scale(1.05);
   box-shadow: var(--shadow-glow);
}

.watermark-preview img {
   max-width: 140px;
   max-height: 140px;
   border-radius: var(--radius);
   border: 2px solid var(--border);
   object-fit: contain;
   transition: var(--transition);
}

.remove-btn {
   position: absolute;
   top: -12px;
   right: -12px;
   width: 32px;
   height: 32px;
   border-radius: 50%;
   background: var(--error);
   color: white;
   border: 3px solid white;
   cursor: pointer;
   font-size: var(--font-size-sm);
   display: flex;
   align-items: center;
   justify-content: center;
   font-weight: 700;
   box-shadow: var(--shadow-lg);
   transition: var(--transition);
}

.remove-btn:hover {
   background: #dc2626;
   transform: scale(1.2);
   box-shadow: 0 0 20px var(--error-glow);
}

/* Enhanced Position Grid */
.position-grid {
   display: grid;
   grid-template-columns: repeat(3, 1fr);
   gap: var(--spacing-sm);
   max-width: 150px;
   margin: 0 auto;
}

.position-btn {
   aspect-ratio: 1;
   background: var(--bg-tertiary);
   border: 2px solid var(--border);
   border-radius: var(--radius);
   cursor: pointer;
   transition: var(--transition);
   font-size: var(--font-size-xl);
   color: var(--text-muted);
   display: flex;
   align-items: center;
   justify-content: center;
   position: relative;
   overflow: hidden;
}

.position-btn::before {
   content: '';
   position: absolute;
   top: 0;
   left: 0;
   right: 0;
   bottom: 0;
   background: var(--accent-gradient);
   opacity: 0;
   transition: var(--transition);
}

.position-btn:hover {
   border-color: var(--accent-primary);
   color: var(--text-primary);
   transform: scale(1.1);
   box-shadow: var(--shadow-glow);
}

.position-btn:hover::before {
   opacity: 0.1;
}

.position-btn.active {
   border-color: var(--accent-primary);
   background: var(--accent-primary);
   color: white;
   box-shadow: var(--shadow-glow);
   transform: scale(1.05);
}

/* Enhanced Download Center */
.download-center {
   background: var(--bg-glass);
   backdrop-filter: blur(30px);
   border-radius: var(--radius-xl);
   padding: var(--spacing-2xl);
   text-align: center;
   border: 2px solid var(--success);
   box-shadow: var(--shadow-xl), 0 0 40px var(--success-glow);
   position: relative;
   overflow: hidden;
   animation: slideInUp 0.6s var(--bounce);
}

.download-center::before {
   content: '';
   position: absolute;
   top: 0;
   left: 0;
   right: 0;
   bottom: 0;
   background: linear-gradient(135deg, var(--success) 0%, var(--accent-primary) 100%);
   opacity: 0.05;
}

.download-summary h3 {
   color: var(--success);
   margin-bottom: var(--spacing-md);
   font-size: var(--font-size-2xl);
   font-weight: 700;
   text-shadow: 0 0 20px var(--success-glow);
   position: relative;
   z-index: 1;
}

.download-summary p {
   color: var(--text-secondary);
   margin-bottom: var(--spacing-xl);
   font-size: var(--font-size-lg);
   position: relative;
   z-index: 1;
}

/* Enhanced Compression Stats */
.compression-stats {
   margin-top: var(--spacing-xl);
   padding: var(--spacing-xl);
   background: var(--bg-glass);
   border-radius: var(--radius-lg);
   border: 1px solid var(--border);
   backdrop-filter: blur(20px);
   position: relative;
   overflow: hidden;
}

.compression-stats::before {
   content: '';
   position: absolute;
   top: 0;
   left: 0;
   right: 0;
   bottom: 0;
   background: var(--accent-gradient);
   opacity: 0.02;
}

.stats-grid {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
   gap: var(--spacing-xl);
   text-align: center;
}

.stat-item {
   display: flex;
   flex-direction: column;
   gap: var(--spacing-sm);
   position: relative;
   z-index: 1;
}

.stat-label {
   font-size: var(--font-size-xs);
   color: var(--text-muted);
   text-transform: uppercase;
   letter-spacing: 1px;
   font-weight: 600;
}

.stat-value {
   font-size: var(--font-size-2xl);
   font-weight: 800;
   color: var(--text-primary);
   text-shadow: 0 0 20px var(--accent-glow);
}

.stat-value.success {
   background: linear-gradient(135deg, var(--success) 0%, var(--accent-primary) 100%);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
}

/* Settings Footer Enhancement */
.settings-footer {
   padding: var(--spacing-xl);
   border-top: 1px solid var(--border);
   display: flex;
   gap: var(--spacing-lg);
   background: var(--bg-secondary);
   backdrop-filter: blur(20px);
   flex-shrink: 0;
   position: relative;
}

.settings-footer::before {
   content: '';
   position: absolute;
   top: 0;
   left: 0;
   right: 0;
   height: 1px;
   background: var(--accent-gradient);
   opacity: 0.3;
}

.settings-footer .btn {
   flex: 1;
   font-weight: 600;
   text-transform: uppercase;
   letter-spacing: 0.5px;
}

/* Enhanced Mobile Responsiveness */
@media (max-width: 768px) {
   .settings-panel {
       width: 100%;
       right: -100%;
   }
   
   .settings-panel.open {
       right: 0;
   }
   
   .format-grid {
       grid-template-columns: 1fr;
   }
   
   .font-style-buttons {
       justify-content: center;
   }
   
   .position-grid {
       max-width: 120px;
   }
   
   .stats-grid {
       grid-template-columns: 1fr;
       gap: var(--spacing-lg);
   }
   
   .settings-section {
       padding: var(--spacing-lg);
       margin-bottom: var(--spacing-lg);
   }
}

@media (max-width: 480px) {
   .settings-content {
       padding: var(--spacing-lg);
   }
   
   .font-style-buttons {
       flex-direction: column;
   }
   
   .style-btn {
       min-width: auto;
       width: 100%;
   }
   
   .upload-actions {
       flex-direction: column;
       gap: var(--spacing-md);
   }
   
   .btn-upload {
       min-width: auto;
       width: 100%;
   }
}

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

@keyframes scaleIn {
   from {
       transform: scale(0.8);
       opacity: 0;
   }
   to {
       transform: scale(1);
       opacity: 1;
   }
}

@keyframes glow {
   0%, 100% {
       box-shadow: 0 0 20px var(--accent-glow);
   }
   50% {
       box-shadow: 0 0 40px var(--accent-glow);
   }
}

/* Success State Animations */
.success-animation {
   animation: successPulse 0.6s ease-out;
}

@keyframes successPulse {
   0% {
       transform: scale(1);
       box-shadow: 0 0 0 0 var(--success-glow);
   }
   70% {
       transform: scale(1.05);
       box-shadow: 0 0 0 20px transparent;
   }
   100% {
       transform: scale(1);
       box-shadow: 0 0 0 0 transparent;
   }
}

/* Error State Animations */
.error-animation {
   animation: errorShake 0.5s ease-out;
}

@keyframes errorShake {
   0%, 100% { transform: translateX(0); }
   25% { transform: translateX(-5px); }
   75% { transform: translateX(5px); }
}

/* Loading State Enhancements */
.loading-shimmer {
   background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
   background-size: 200% 100%;
   animation: shimmerEffect 2s infinite;
}

@keyframes shimmerEffect {
   0% { background-position: 200% 0; }
   100% { background-position: -200% 0; }
}

/* Enhanced Settings Overlay */
.settings-overlay {
   position: fixed;
   top: 0;
   left: 0;
   width: 100%;
   height: 100%;
   background: rgba(0, 0, 0, 0.7);
   backdrop-filter: blur(8px);
   z-index: 150;
   opacity: 0;
   pointer-events: none;
   transition: opacity 0.3s ease;
}

.settings-overlay.active {
   opacity: 1;
   pointer-events: all;
   animation: fadeInOverlay 0.3s ease;
}

@keyframes fadeInOverlay {
   from { opacity: 0; }
   to { opacity: 1; }
}

/* Final Touch: Micro-interactions */
.micro-bounce {
   transition: transform 0.1s ease;
}

.micro-bounce:active {
   transform: scale(0.98);
}

.ripple-effect {
   position: relative;
   overflow: hidden;
}

.ripple-effect::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 0.6s, height 0.6s;
}

.ripple-effect:active::after {
   width: 300px;
   height: 300px;
}