/* ============================================
   PNG to Favicon Converter - Modern Stylesheet
   Green/Emerald Color Theme for ConvertICO
   With Dark Mode Support
   ============================================ */

/* CSS Variables - Light Mode (Default) */
:root {
    --transition-speed: 0.25s;
    
    /* Primary Colors - Green/Emerald Theme */
    --primary: #10B981 !important;
    --primary-light: #D1FAE5 !important;
    --primary-dark: #059669 !important;
    --accent: #34D399 !important;
    --success: #10B981;
    --success-light: #D1FAE5;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --danger: #EF4444;
    --danger-light: #FEE2E2;
    
    /* Background Colors */
    --bg: #f8fafc;
    --bg-elevated: #ffffff;
    --bg-secondary: #f1f5f9;
    
    /* Text Colors */
    --text: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    /* Border Colors */
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
    --shadow-primary: 0 4px 14px rgba(16, 185, 129, 0.25) !important;
    
    /* Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Upload area */
    --upload-bg: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
    --upload-hover-bg: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
}

/* Dark Mode Colors */
[data-theme="dark"] {
    --primary: #34d399 !important;
    --primary-light: rgba(52, 211, 153, 0.15) !important;
    --primary-dark: #10b981 !important;
    --accent: #6ee7b7 !important;
    --success: #4ade80;
    --success-light: rgba(74, 222, 128, 0.15);
    --warning: #fbbf24;
    --warning-light: rgba(251, 191, 36, 0.15);
    --danger: #f87171;
    --danger-light: rgba(248, 113, 113, 0.15);
    
    --bg: #0f172a;
    --bg-elevated: #1e293b;
    --bg-secondary: #334155;
    
    --text: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --border: #334155;
    --border-light: #475569;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.5);
    --shadow-primary: 0 4px 14px rgba(52, 211, 153, 0.25) !important;
    
    --upload-bg: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    --upload-hover-bg: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(52, 211, 153, 0.2) 100%);
}

/* Base */
* { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg) !important;
    color: var(--text) !important;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.tool-container {
    max-width: 1000px !important;
    margin: 0 auto !important;
    padding: 2rem !important;
}

/* Header */
.tool-header { 
    text-align: center !important; 
    margin-bottom: 2rem !important; 
}

.tool-title-row {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 1rem !important;
    margin-bottom: 1rem !important;
}

.tool-icon-wrapper {
    width: 64px !important;
    height: 64px !important;
    background: var(--primary) !important;
    border-radius: var(--radius-lg) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: white !important;
    box-shadow: var(--shadow-lg), 0 0 40px rgba(16, 185, 129, 0.25) !important;
    flex-shrink: 0 !important;
}

.tool-icon-wrapper svg, .tool-icon-wrapper i { 
    width: 32px !important; 
    height: 32px !important; 
}

.tool-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem) !important;
    font-weight: 700 !important;
    margin: 0 !important;
    color: var(--primary) !important;
}

.tool-description {
    font-size: 1.15rem !important;
    color: var(--text-secondary) !important;
    max-width: 800px !important;
    margin: 0 auto !important;
    line-height: 1.7 !important;
}

/* Main Tool Area */
.tool-main {
    background: var(--bg-elevated) !important;
    border-radius: var(--radius-xl) !important;
    box-shadow: var(--shadow-xl) !important;
    overflow: hidden !important;
    border: 1px solid var(--border) !important;
    position: relative !important;
    transition: background-color var(--transition-speed), border-color var(--transition-speed) !important;
}

/* Upload Section */
.upload-section { padding: 3rem !important; }

.upload-area {
    border: 2px dashed var(--border) !important;
    border-radius: var(--radius-lg) !important;
    padding: 4rem 2rem !important;
    text-align: center !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    background: var(--upload-bg) !important;
    position: relative !important;
    overflow: hidden !important;
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--primary) !important;
    background: var(--upload-hover-bg) !important;
    transform: translateY(-2px) !important;
    box-shadow: var(--shadow-md) !important;
}

.upload-content { position: relative !important; z-index: 1 !important; }

.upload-icon {
    color: var(--primary) !important;
    margin-bottom: 1.5rem !important;
    transition: transform 0.3s ease !important;
}

.upload-icon svg, .upload-icon i { width: 64px !important; height: 64px !important; }
.upload-area:hover .upload-icon { transform: translateY(-5px) !important; }

.upload-title {
    font-size: 1.5rem !important;
    font-weight: 600 !important;
    color: var(--text) !important;
    margin: 0 0 0.5rem !important;
}

.upload-subtitle {
    color: var(--text-secondary) !important;
    margin: 0 0 1rem !important;
    font-size: 1rem !important;
}

.upload-hint {
    display: inline-flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    background: var(--bg) !important;
    color: var(--text-muted) !important;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-full) !important;
    font-size: 0.875rem !important;
    transition: background-color var(--transition-speed) !important;
}

.upload-hint svg, .upload-hint i { width: 14px !important; height: 14px !important; }

/* Editor Section */
.editor-section { padding: 0 !important; animation: fadeIn 0.4s ease !important; }

/* File Info Bar */
.file-info-bar {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 1.5rem !important;
    padding: 1.25rem 2rem !important;
    background: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border) !important;
    transition: background-color var(--transition-speed), border-color var(--transition-speed) !important;
}

.file-info-item {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    font-size: 0.9rem !important;
    color: var(--text-secondary) !important;
}

.file-info-item svg, .file-info-item i {
    color: var(--primary) !important;
    flex-shrink: 0 !important;
    width: 18px !important;
    height: 18px !important;
}

.file-info-transparency {
    background: var(--primary-light) !important;
    padding: 0.375rem 0.75rem !important;
    border-radius: var(--radius-full) !important;
    color: var(--primary-dark) !important;
    font-weight: 500 !important;
}

[data-theme="dark"] .file-info-transparency { color: var(--primary) !important; }

/* Editor Grid */
.editor-grid { 
    display: grid !important; 
    grid-template-columns: 1fr 1fr !important; 
    gap: 0 !important; 
}

.preview-panel, .controls-panel { padding: 2rem !important; }

.preview-panel {
    background: var(--bg-secondary) !important;
    border-right: 1px solid var(--border) !important;
    transition: background-color var(--transition-speed), border-color var(--transition-speed) !important;
}

.panel-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin-bottom: 1.5rem !important;
}

.panel-header h3 {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    font-size: 1.1rem !important;
    font-weight: 600 !important;
    color: var(--text) !important;
    margin: 0 !important;
}

.panel-header h3 svg, .panel-header h3 i {
    color: var(--primary) !important;
    width: 20px !important;
    height: 20px !important;
}

/* Image Preview */
.image-preview-container {
    min-height: 150px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.image-preview {
    background: var(--bg-elevated) !important;
    border: 2px solid var(--border) !important;
    border-radius: var(--radius-md) !important;
    padding: 1rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    max-width: 100% !important;
    overflow: hidden !important;
    /* Checkerboard for transparency */
    background-image: 
        linear-gradient(45deg, #e5e7eb 25%, transparent 25%),
        linear-gradient(-45deg, #e5e7eb 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #e5e7eb 75%),
        linear-gradient(-45deg, transparent 75%, #e5e7eb 75%) !important;
    background-size: 16px 16px !important;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0px !important;
    transition: border-color var(--transition-speed) !important;
}

[data-theme="dark"] .image-preview {
    background-image: 
        linear-gradient(45deg, #374151 25%, transparent 25%),
        linear-gradient(-45deg, #374151 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #374151 75%),
        linear-gradient(-45deg, transparent 75%, #374151 75%) !important;
}

.image-preview img {
    max-width: 100% !important;
    max-height: 200px !important;
    border-radius: var(--radius-sm) !important;
}

/* Favicon Preview Section */
.favicon-preview-section {
    margin-top: 2rem !important;
    padding-top: 1.5rem !important;
    border-top: 1px solid var(--border) !important;
}

.favicon-previews {
    display: flex !important;
    flex-direction: column !important;
    gap: 1rem !important;
}

.favicon-preview-item {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.5rem !important;
}

.preview-label {
    font-size: 0.75rem !important;
    color: var(--text-muted) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
}

/* Browser Tab Mock */
.favicon-mock.browser-tab {
    background: var(--bg-elevated) !important;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0 !important;
    padding: 0 !important;
    border: 1px solid var(--border) !important;
    overflow: hidden !important;
}

.tab-bar {
    display: flex !important;
    background: var(--bg-secondary) !important;
    padding: 0.5rem 0.5rem 0 !important;
}

.tab {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    padding: 0.5rem 1rem !important;
    background: var(--bg-secondary) !important;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0 !important;
    font-size: 0.75rem !important;
    color: var(--text-muted) !important;
    min-width: 80px !important;
}

.tab.active {
    background: var(--bg-elevated) !important;
    color: var(--text) !important;
}

.tab-favicon {
    width: 16px !important;
    height: 16px !important;
    background: var(--primary-light) !important;
    border-radius: 2px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    overflow: hidden !important;
}

.tab-favicon img {
    width: 100% !important;
    height: 100% !important;
    object-fit: contain !important;
}

.tab-title {
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

/* Bookmark Mock */
.favicon-mock.bookmark {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    padding: 0.5rem 0.75rem !important;
    background: var(--bg-elevated) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-sm) !important;
    font-size: 0.8rem !important;
    color: var(--text) !important;
}

.bookmark-favicon {
    width: 16px !important;
    height: 16px !important;
    background: var(--primary-light) !important;
    border-radius: 2px !important;
    overflow: hidden !important;
}

.bookmark-favicon img {
    width: 100% !important;
    height: 100% !important;
    object-fit: contain !important;
}

/* Address Bar Mock */
.favicon-mock.address-bar {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    padding: 0.5rem 0.75rem !important;
    background: var(--bg-elevated) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-full) !important;
    font-size: 0.8rem !important;
    color: var(--text-muted) !important;
}

.address-favicon {
    width: 16px !important;
    height: 16px !important;
    background: var(--primary-light) !important;
    border-radius: 2px !important;
    overflow: hidden !important;
}

.address-favicon img {
    width: 100% !important;
    height: 100% !important;
    object-fit: contain !important;
}

/* Control Sections */
.control-section { margin-bottom: 1.5rem !important; }

.section-label {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    color: var(--text) !important;
    margin-bottom: 0.75rem !important;
}

.section-label svg, .section-label i { 
    width: 16px !important; 
    height: 16px !important; 
    color: var(--primary) !important; 
}

.label-hint { 
    font-weight: 400 !important; 
    color: var(--text-muted) !important; 
    font-size: 0.8rem !important; 
}

/* Standard Sizes Grid */
.standard-sizes-grid {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 0.5rem !important;
}

.size-checkbox {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.375rem !important;
    padding: 0.625rem 0.5rem !important;
    background: var(--bg) !important;
    border: 2px solid var(--border) !important;
    border-radius: var(--radius-sm) !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    font-size: 0.8rem !important;
}

.size-checkbox:hover {
    border-color: var(--primary-light) !important;
    background: var(--primary-light) !important;
}

.size-checkbox:has(input:checked) {
    border-color: var(--primary) !important;
    background: var(--primary-light) !important;
}

.size-checkbox input[type="checkbox"] { 
    width: 14px !important; 
    height: 14px !important; 
    accent-color: var(--primary) !important; 
}

.size-label { 
    font-weight: 500 !important; 
    color: var(--text) !important; 
}

/* Size Presets */
.sizes-presets { 
    display: flex !important; 
    gap: 0.5rem !important; 
    margin-top: 0.75rem !important; 
}

.preset-btn {
    display: flex !important;
    align-items: center !important;
    gap: 0.375rem !important;
    padding: 0.5rem 0.875rem !important;
    background: var(--bg) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-full) !important;
    font-size: 0.75rem !important;
    font-weight: 500 !important;
    color: var(--text-secondary) !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
}

.preset-btn:hover {
    background: var(--primary) !important;
    color: white !important;
    border-color: var(--primary) !important;
}

.preset-btn svg, .preset-btn i { width: 14px !important; height: 14px !important; }

/* Options Grid */
.options-grid { 
    display: flex !important; 
    flex-direction: column !important; 
    gap: 0.625rem !important; 
}

.checkbox-option {
    display: flex !important;
    align-items: center !important;
    gap: 0.625rem !important;
    padding: 0.625rem 0.875rem !important;
    background: var(--bg) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-sm) !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    font-size: 0.875rem !important;
    color: var(--text) !important;
}

.checkbox-option:hover {
    border-color: var(--primary-light) !important;
    background: var(--primary-light) !important;
}

.checkbox-option:has(input:checked) {
    border-color: var(--primary) !important;
    background: var(--primary-light) !important;
}

.checkbox-option input[type="checkbox"] { 
    width: 16px !important; 
    height: 16px !important; 
    accent-color: var(--primary) !important; 
}

.checkbox-option .option-icon { 
    width: 16px !important; 
    height: 16px !important; 
    color: var(--text-muted) !important; 
    flex-shrink: 0 !important; 
}

.checkbox-option:has(input:checked) .option-icon { color: var(--primary) !important; }

/* Background Color Option */
.background-color-option {
    margin-top: 1rem !important;
    padding: 1rem !important;
    background: var(--bg) !important;
    border-radius: var(--radius-md) !important;
    border: 1px solid var(--border) !important;
}

.color-label {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    font-size: 0.85rem !important;
    color: var(--text-secondary) !important;
    margin-bottom: 0.75rem !important;
}

.color-label svg, .color-label i {
    width: 16px !important;
    height: 16px !important;
    color: var(--primary) !important;
}

.color-picker-row {
    display: flex !important;
    align-items: center !important;
    gap: 0.75rem !important;
}

.color-picker {
    width: 40px !important;
    height: 40px !important;
    border: 2px solid var(--border) !important;
    border-radius: var(--radius-sm) !important;
    cursor: pointer !important;
    padding: 0 !important;
}

.color-picker::-webkit-color-swatch-wrapper { padding: 2px !important; }
.color-picker::-webkit-color-swatch { border-radius: 4px !important; border: none !important; }

.color-value {
    font-family: monospace !important;
    font-size: 0.85rem !important;
    color: var(--text-secondary) !important;
    background: var(--bg-secondary) !important;
    padding: 0.25rem 0.5rem !important;
    border-radius: var(--radius-sm) !important;
}

.color-presets {
    display: flex !important;
    gap: 0.375rem !important;
}

.color-preset {
    width: 24px !important;
    height: 24px !important;
    border-radius: var(--radius-sm) !important;
    border: 2px solid var(--border) !important;
    cursor: pointer !important;
    transition: transform 0.2s ease !important;
    padding: 0 !important;
}

.color-preset:hover { transform: scale(1.1) !important; }

.color-preset[data-color="#ffffff"] { background: #ffffff !important; }
.color-preset[data-color="#000000"] { background: #000000 !important; }
.color-preset[data-color="#f8f9fa"] { background: #f8f9fa !important; }
.color-preset[data-color="#6366f1"] { background: #6366f1 !important; }

/* Radio Options */
.format-options {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.5rem !important;
}

.radio-option {
    display: flex !important;
    align-items: center !important;
    gap: 0.75rem !important;
    padding: 0.875rem 1rem !important;
    background: var(--bg) !important;
    border: 2px solid var(--border) !important;
    border-radius: var(--radius-md) !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
}

.radio-option:hover {
    border-color: var(--primary-light) !important;
}

.radio-option:has(input:checked) {
    border-color: var(--primary) !important;
    background: var(--primary-light) !important;
}

.radio-option input[type="radio"] {
    width: 18px !important;
    height: 18px !important;
    accent-color: var(--primary) !important;
}

.radio-label {
    display: flex !important;
    flex-direction: column !important;
}

.radio-label strong {
    color: var(--text) !important;
    font-size: 0.95rem !important;
}

.radio-label small {
    color: var(--text-muted) !important;
    font-size: 0.8rem !important;
}

/* Option Row */
.option-row { 
    display: flex !important; 
    align-items: center !important; 
    gap: 1rem !important; 
    margin-top: 0.75rem !important; 
}

.option-row label {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    font-size: 0.85rem !important;
    color: var(--text-secondary) !important;
    min-width: 110px !important;
}

.option-row label svg, .option-row label i { 
    width: 16px !important; 
    height: 16px !important; 
    color: var(--primary) !important; 
}

.styled-dropdown {
    flex: 1 !important;
    padding: 0.625rem 0.875rem !important;
    border-radius: var(--radius-sm) !important;
    border: 1px solid var(--border) !important;
    background-color: var(--bg-elevated) !important;
    color: var(--text) !important;
    font-size: 0.85rem !important;
    appearance: none !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e") !important;
    background-position: right 0.5rem center !important;
    background-repeat: no-repeat !important;
    background-size: 1.5em 1.5em !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
}

[data-theme="dark"] .styled-dropdown {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e") !important;
}

.styled-dropdown:hover { border-color: var(--primary-light) !important; }

.styled-dropdown:focus {
    outline: none !important;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15) !important;
}

[data-theme="dark"] .styled-dropdown:focus { 
    box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.15) !important; 
}

/* Action Bar */
.action-bar {
    display: flex !important;
    justify-content: flex-end !important;
    gap: 1rem !important;
    padding: 1.5rem 2rem !important;
    background: var(--bg) !important;
    border-top: 1px solid var(--border) !important;
    transition: background-color var(--transition-speed), border-color var(--transition-speed) !important;
}

/* Buttons */
.btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.5rem !important;
    padding: 0.875rem 1.5rem !important;
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    border-radius: var(--radius-md) !important;
    border: none !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    text-decoration: none !important;
}

.btn svg, .btn i { width: 18px !important; height: 18px !important; }

.btn-primary {
    background: var(--primary) !important;
    color: white !important;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3) !important;
}

.btn-primary:hover {
    background: var(--primary-dark) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4) !important;
}

.btn-lg { 
    padding: 1rem 2rem !important; 
    font-size: 1.1rem !important; 
}

.btn-lg svg, .btn-lg i { width: 22px !important; height: 22px !important; }

.btn-secondary {
    background: var(--bg) !important;
    color: var(--text-secondary) !important;
    border: 1px solid var(--border) !important;
}

.btn-secondary:hover {
    background: var(--bg-elevated) !important;
    color: var(--text) !important;
    border-color: var(--text-muted) !important;
}

.btn-outline {
    background: transparent !important;
    color: var(--primary) !important;
    border: 2px solid var(--primary) !important;
}

.btn-outline:hover { 
    background: var(--primary) !important; 
    color: white !important; 
}

/* Processing Overlay */
.processing-overlay {
    position: absolute !important;
    inset: 0 !important;
    background: rgba(255,255,255,0.95) !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: 100 !important;
    backdrop-filter: blur(4px) !important;
}

[data-theme="dark"] .processing-overlay { background: rgba(15, 23, 42, 0.95) !important; }

.processing-content { text-align: center !important; padding: 2rem !important; }

.processing-spinner { color: var(--primary) !important; margin-bottom: 1.5rem !important; }
.processing-spinner svg, .processing-spinner i { width: 48px !important; height: 48px !important; }
.processing-spinner .spin { animation: spin 1s linear infinite !important; }

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

.processing-status { 
    font-size: 1.1rem !important; 
    font-weight: 500 !important; 
    color: var(--text) !important; 
    margin: 0 0 1.5rem !important; 
}

.progress-bar-container {
    width: 300px !important;
    max-width: 100% !important;
    height: 8px !important;
    background: var(--border) !important;
    border-radius: 4px !important;
    overflow: hidden !important;
    margin: 0 auto 0.75rem !important;
}

.progress-bar {
    height: 100% !important;
    background: var(--primary) !important;
    width: 0% !important;
    transition: width 0.3s ease !important;
    border-radius: 4px !important;
}

.progress-text { font-size: 0.875rem !important; color: var(--text-muted) !important; }

/* Results Section */
.results-section { 
    padding: 3rem !important; 
    text-align: center !important; 
    animation: fadeIn 0.4s ease !important; 
}

.results-header { margin-bottom: 2rem !important; }

.success-badge {
    display: inline-flex !important;
    align-items: center !important;
    gap: 0.75rem !important;
    padding: 1rem 1.5rem !important;
    background: var(--success-light) !important;
    border-radius: var(--radius-full) !important;
    color: #059669 !important;
}

[data-theme="dark"] .success-badge { color: var(--success) !important; }

.success-badge svg, .success-badge i { flex-shrink: 0 !important; width: 32px !important; height: 32px !important; }
.success-badge h2 { margin: 0 !important; font-size: 1.25rem !important; font-weight: 600 !important; }

/* Results Preview */
.results-preview {
    margin-bottom: 2rem !important;
}

.result-favicon-grid {
    display: flex !important;
    justify-content: center !important;
    gap: 1.5rem !important;
    flex-wrap: wrap !important;
    padding: 1.5rem !important;
    background: var(--bg-secondary) !important;
    border-radius: var(--radius-lg) !important;
}

.result-favicon-item {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 0.5rem !important;
}

.result-favicon-box {
    background: var(--bg-elevated) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-sm) !important;
    padding: 0.5rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    /* Checkerboard background */
    background-image: 
        linear-gradient(45deg, #e5e7eb 25%, transparent 25%),
        linear-gradient(-45deg, #e5e7eb 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #e5e7eb 75%),
        linear-gradient(-45deg, transparent 75%, #e5e7eb 75%) !important;
    background-size: 8px 8px !important;
    background-position: 0 0, 0 4px, 4px -4px, -4px 0px !important;
}

[data-theme="dark"] .result-favicon-box {
    background-image: 
        linear-gradient(45deg, #374151 25%, transparent 25%),
        linear-gradient(-45deg, #374151 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #374151 75%),
        linear-gradient(-45deg, transparent 75%, #374151 75%) !important;
}

.result-favicon-size {
    font-size: 0.7rem !important;
    color: var(--text-muted) !important;
}

.results-info {
    background: var(--bg) !important;
    border-radius: var(--radius-md) !important;
    padding: 1.25rem !important;
    margin-bottom: 2rem !important;
    max-width: 400px !important;
    margin-left: auto !important;
    margin-right: auto !important;
    transition: background-color var(--transition-speed) !important;
}

.info-row {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 0.625rem 0 !important;
    border-bottom: 1px solid var(--border) !important;
    font-size: 0.95rem !important;
}

.info-row:last-child { border-bottom: none !important; }
.info-row span:first-child { 
    display: flex !important; 
    align-items: center !important; 
    gap: 0.5rem !important; 
    color: var(--text-secondary) !important; 
}
.info-row span:last-child { 
    font-weight: 600 !important; 
    color: var(--text) !important; 
}

/* Implementation Guide */
.implementation-guide {
    background: var(--bg-secondary) !important;
    border-radius: var(--radius-md) !important;
    padding: 1.25rem !important;
    margin-bottom: 2rem !important;
    text-align: left !important;
    max-width: 500px !important;
    margin-left: auto !important;
    margin-right: auto !important;
}

.implementation-guide h4 {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    font-size: 0.9rem !important;
    color: var(--text) !important;
    margin: 0 0 0.75rem !important;
}

.implementation-guide h4 svg, .implementation-guide h4 i {
    color: var(--primary) !important;
    width: 18px !important;
    height: 18px !important;
}

.code-block {
    display: flex !important;
    align-items: center !important;
    gap: 0.75rem !important;
    background: var(--bg-elevated) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-sm) !important;
    padding: 0.75rem 1rem !important;
}

.code-block code {
    flex: 1 !important;
    font-family: 'Monaco', 'Menlo', monospace !important;
    font-size: 0.8rem !important;
    color: var(--primary) !important;
    word-break: break-all !important;
}

.copy-btn {
    background: none !important;
    border: none !important;
    padding: 0.25rem !important;
    cursor: pointer !important;
    color: var(--text-muted) !important;
    transition: color 0.2s ease !important;
}

.copy-btn:hover { color: var(--primary) !important; }
.copy-btn svg, .copy-btn i { width: 18px !important; height: 18px !important; }

.results-actions { 
    display: flex !important; 
    justify-content: center !important; 
    gap: 1rem !important; 
    flex-wrap: wrap !important; 
}

/* Error Message */
.error-message {
    align-items: center !important;
    gap: 0.75rem !important;
    margin: 1.5rem 2rem !important;
    padding: 1rem 1.25rem !important;
    background: var(--danger-light) !important;
    border: 1px solid var(--danger) !important;
    border-radius: var(--radius-md) !important;
    color: #B91C1C !important;
    font-size: 0.95rem !important;
}

[data-theme="dark"] .error-message { color: var(--danger) !important; }

.error-message svg, .error-message i { flex-shrink: 0 !important; width: 20px !important; height: 20px !important; }

/* Related Tools */
.related-tools {
    display: flex !important;
    align-items: center !important;
    gap: 1rem !important;
    margin-top: 2rem !important;
    padding: 1.25rem 1.5rem !important;
    background: var(--bg-elevated) !important;
    border-radius: var(--radius-lg) !important;
    border: 1px solid var(--border) !important;
    flex-wrap: wrap !important;
    transition: background-color var(--transition-speed), border-color var(--transition-speed) !important;
}

.related-label { 
    display: flex !important; 
    align-items: center !important; 
    gap: 0.5rem !important; 
    font-weight: 600 !important; 
    color: var(--text) !important; 
    font-size: 0.9rem !important; 
}

.related-label svg, .related-label i { color: var(--primary) !important; }

.related-links { display: flex !important; gap: 0.75rem !important; flex-wrap: wrap !important; }

.related-link {
    display: inline-flex !important;
    align-items: center !important;
    gap: 0.375rem !important;
    padding: 0.5rem 0.875rem !important;
    background: var(--bg) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-full) !important;
    font-size: 0.8rem !important;
    font-weight: 500 !important;
    color: var(--text-secondary) !important;
    text-decoration: none !important;
    transition: all 0.2s ease !important;
}

.related-link:hover { 
    background: var(--primary) !important; 
    color: white !important; 
    border-color: var(--primary) !important; 
}

.related-link svg, .related-link i { width: 14px !important; height: 14px !important; }

/* Info Sections */
.info-sections { 
    display: flex !important; 
    flex-direction: column !important; 
    gap: 1.5rem !important; 
    margin-top: 2rem !important; 
}

.info-card {
    background: var(--bg-elevated) !important;
    border-radius: var(--radius-xl) !important;
    padding: 2rem !important;
    box-shadow: var(--shadow-md) !important;
    border: 1px solid var(--border) !important;
    transition: background-color var(--transition-speed), border-color var(--transition-speed) !important;
}

.info-card h2 { 
    display: flex !important; 
    align-items: center !important; 
    gap: 0.75rem !important; 
    font-size: 1.35rem !important; 
    color: var(--text) !important; 
    margin: 0 0 1.5rem !important; 
}

.info-card h2 svg, .info-card h2 i { 
    color: var(--primary) !important; 
    flex-shrink: 0 !important; 
    width: 24px !important; 
    height: 24px !important; 
}

.info-card p { 
    color: var(--text-secondary) !important; 
    line-height: 1.7 !important; 
    margin: 0 0 1rem !important; 
}

.info-card p:last-child { margin-bottom: 0 !important; }

.info-card p a { 
    color: var(--primary) !important; 
    text-decoration: none !important; 
    font-weight: 500 !important; 
}

.info-card p a:hover { text-decoration: underline !important; }

/* Steps List */
.steps-list { 
    list-style: none !important; 
    padding: 0 !important; 
    margin: 0 !important; 
    counter-reset: step !important; 
}

.steps-list li {
    position: relative !important;
    padding-left: 3.5rem !important;
    padding-bottom: 1.5rem !important;
    counter-increment: step !important;
}

.steps-list li:not(:last-child)::after {
    content: '' !important;
    position: absolute !important;
    left: calc(1rem - 1px) !important;
    top: 2.5rem !important;
    bottom: 0 !important;
    width: 2px !important;
    background: var(--primary-light) !important;
}

.steps-list li::before {
    content: counter(step) !important;
    position: absolute !important;
    left: 0 !important;
    top: 0 !important;
    width: 2rem !important;
    height: 2rem !important;
    background: var(--primary) !important;
    color: white !important;
    border-radius: var(--radius-full) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-weight: 700 !important;
    font-size: 0.875rem !important;
    z-index: 1 !important;
}

.step-content strong { 
    display: block !important; 
    color: var(--text) !important; 
    margin-bottom: 0.25rem !important; 
}

.step-content p { 
    margin: 0 !important; 
    color: var(--text-secondary) !important; 
    font-size: 0.95rem !important; 
}

/* Size Guide */
.size-guide {
    display: flex !important;
    flex-direction: column !important;
    gap: 1rem !important;
}

.size-guide-item {
    display: flex !important;
    align-items: flex-start !important;
    gap: 1rem !important;
}

.size-badge {
    flex-shrink: 0 !important;
    padding: 0.35rem 0.75rem !important;
    border-radius: var(--radius-full) !important;
    font-size: 0.75rem !important;
    font-weight: 600 !important;
    color: white !important;
}

.size-badge.standard { background: var(--primary) !important; }
.size-badge.apple { background: #6366f1 !important; }
.size-badge.large { background: #8b5cf6 !important; }

.size-guide-item p {
    margin: 0 !important;
    color: var(--text-secondary) !important;
    font-size: 0.95rem !important;
    line-height: 1.6 !important;
}

/* Tip Box */
.tip-box {
    display: flex !important;
    align-items: flex-start !important;
    gap: 0.625rem !important;
    padding: 1rem 1.25rem !important;
    background: var(--primary-light) !important;
    border-radius: var(--radius-md) !important;
    border: 1px solid var(--primary) !important;
    margin-top: 1rem !important;
}

.tip-box svg, .tip-box i { 
    color: var(--primary) !important; 
    flex-shrink: 0 !important; 
    margin-top: 2px !important; 
    width: 18px !important; 
    height: 18px !important; 
}

.tip-box span { 
    font-size: 0.9rem !important; 
    color: var(--text-secondary) !important; 
    line-height: 1.5 !important; 
}

/* FAQ */
.faq-list { display: grid !important; gap: 0.75rem !important; }

.faq-item {
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-md) !important;
    overflow: hidden !important;
    transition: border-color var(--transition-speed) !important;
}

.faq-question {
    width: 100% !important;
    padding: 1rem 1.25rem !important;
    background: var(--bg) !important;
    border: none !important;
    text-align: left !important;
    font-size: 1rem !important;
    font-weight: 600 !important;
    color: var(--text) !important;
    cursor: pointer !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    transition: all 0.2s ease !important;
}

.faq-question:hover { background: var(--bg-elevated) !important; }

.faq-question svg, .faq-question i { 
    color: var(--primary) !important; 
    transition: transform 0.3s ease !important; 
    flex-shrink: 0 !important; 
    width: 20px !important; 
    height: 20px !important; 
}

.faq-item.open .faq-question svg, .faq-item.open .faq-question i { 
    transform: rotate(180deg) !important; 
}

.faq-answer {
    display: none !important;
    padding: 0 1.25rem 1rem !important;
    background: var(--bg-elevated) !important;
    transition: background-color var(--transition-speed) !important;
}

.faq-item.open .faq-answer { display: block !important; }

.faq-answer p { 
    margin: 0 !important; 
    color: var(--text-secondary) !important; 
    line-height: 1.7 !important; 
}

.faq-answer code {
    background: var(--bg-secondary) !important;
    padding: 0.125rem 0.375rem !important;
    border-radius: var(--radius-sm) !important;
    font-family: monospace !important;
    font-size: 0.85rem !important;
    color: var(--primary) !important;
}

/* Responsive */
@media (max-width: 900px) {
    .editor-grid { grid-template-columns: 1fr !important; }
    .preview-panel { 
        border-right: none !important; 
        border-bottom: 1px solid var(--border) !important; 
    }
    .file-info-bar { justify-content: center !important; }
    .standard-sizes-grid { grid-template-columns: repeat(4, 1fr) !important; }
}

@media (max-width: 768px) {
    .tool-container { padding: 1rem !important; }
    .tool-title-row { flex-direction: row !important; gap: 0.75rem !important; }
    .tool-icon-wrapper { width: 48px !important; height: 48px !important; }
    .tool-icon-wrapper svg, .tool-icon-wrapper i { width: 24px !important; height: 24px !important; }
    .upload-section, .results-section { padding: 2rem 1.5rem !important; }
    .preview-panel, .controls-panel { padding: 1.5rem !important; }
    .standard-sizes-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .sizes-presets { flex-wrap: wrap !important; }
    .action-bar { flex-direction: column !important; padding: 1.5rem !important; }
    .btn { width: 100% !important; }
    .related-tools { flex-direction: column !important; text-align: center !important; }
    .related-links { justify-content: center !important; }
    .option-row { flex-direction: column !important; align-items: stretch !important; gap: 0.5rem !important; }
    .option-row label { min-width: auto !important; }
    .favicon-previews { flex-direction: column !important; }
    .size-guide-item { flex-direction: column !important; gap: 0.5rem !important; }
}

@media (max-width: 480px) {
    .tool-title { font-size: 1.5rem !important; }
    .file-info-bar { 
        flex-direction: column !important; 
        gap: 0.75rem !important; 
        align-items: flex-start !important; 
    }
    .steps-list li { padding-left: 3rem !important; }
    .progress-bar-container { width: 100% !important; }
    .results-actions { flex-direction: column !important; }
    .color-picker-row { flex-wrap: wrap !important; }
}

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

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { 
        animation-duration: 0.01ms !important; 
        transition-duration: 0.01ms !important; 
    }
}