/**
 * KazImageCraft - Modern Image Upload & Editor Styles
 * Optimized for performance, accessibility, and modern design
 * 
 * @version 2.0
 * @author Y D <y@9.kz>
 * @license MIT
 */

/* ===================================
   CSS Custom Properties (Variables)
   =================================== */

   :root {
    /* Color Palette - Modern & Accessible */
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-light: #dbeafe;
    --success: #10b981;
    --success-hover: #059669;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --warning: #f59e0b;
    --info: #06b6d4;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --bg-primary: var(--white);
    --bg-secondary: var(--gray-50);
    --bg-tertiary: var(--gray-100);
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-muted: var(--gray-500);
    --border-light: var(--gray-200);
    --border-medium: var(--gray-300);
    
    /* Shadows - Layered Design */
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Border Radius - Consistent Scaling */
    --radius-xs: 2px;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-2xl: 16px;
    --radius-3xl: 24px;
    --radius-full: 9999px;
    
    /* Spacing Scale */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    
    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Transitions - Smooth & Performant */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 300ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
  }
  
  /* Dark Mode Support */
  @media (prefers-color-scheme: dark) {
    :root {
      --bg-primary: var(--gray-900);
      --bg-secondary: var(--gray-800);
      --bg-tertiary: var(--gray-700);
      --text-primary: var(--white);
      --text-secondary: var(--gray-300);
      --text-muted: var(--gray-400);
      --border-light: var(--gray-700);
      --border-medium: var(--gray-600);
    }
  }
  
  /* ===================================
     Base Styles & Reset
     =================================== */
  
  .kaz-image-craft-wrapper *,
  .kaz-image-craft-wrapper *::before,
  .kaz-image-craft-wrapper *::after {
    box-sizing: border-box;
  }
  
  /* ===================================
     Upload Area - Modern Drop Zone
     =================================== */
  
  .kaz-image-craft-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 160px;
    padding: var(--space-12) var(--space-8);
    background: var(--bg-secondary);
    border: 2px dashed var(--border-light);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-base);
    user-select: none;
  }
  
  .kaz-image-craft-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, var(--primary-light) 100%);
    border-radius: inherit;
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
  }
  
  .kaz-image-craft-wrapper:hover,
  .kaz-image-craft-wrapper.hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
  }
  
  .kaz-image-craft-wrapper:hover::before,
  .kaz-image-craft-wrapper.hover::before {
    opacity: 0.5;
  }
  
  .kaz-image-craft-wrapper:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
  }
  
  /* Upload Icon & Text */
  .kaz-image-craft-upload-icon {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: var(--space-4);
    transition: all var(--transition-base);
  }
  
  .kaz-image-craft-wrapper:hover .kaz-image-craft-upload-icon {
    color: var(--primary);
    transform: scale(1.1);
  }
  
  .kaz-image-craft-upload-text {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--space-2);
  }
  
  .kaz-image-craft-upload-hint {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-align: center;
  }
  
  /* ===================================
     Preview Container - Grid Layout
     =================================== */
  
     .kaz-preview-container {
      display: flex;
      flex-wrap: wrap;          /* 自动换行 */
      gap: var(--space-4);      /* 默认间距 */
      margin-top: var(--space-6);
      padding: var(--space-4);
      background: var(--bg-primary);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
    }
    
    /* 小屏优化 */
    @media (max-width: 640px) {
      .kaz-preview-container {
        gap: var(--space-3);     /* 缩小间距，让小屏布局更紧凑 */
        padding: var(--space-3); /* 可选，调整内边距 */
      }
    }
  
  /* ===================================
     Preview Items - Card Design
     =================================== */
  
  .kaz-image-craft-preview-item {
    position: relative;
    width:160px;
    height:160px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    transition: all var(--transition-base);
    cursor: grab;
    user-select: none;
    overflow: hidden;
  }
  
  .kaz-image-craft-preview-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, var(--primary-light) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
  }
  
  .kaz-image-craft-preview-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
  }
  
  .kaz-image-craft-preview-item:hover::before {
    opacity: 0.3;
  }
  
  .kaz-image-craft-preview-item:active {
    cursor: grabbing;
    transform: translateY(-2px);
  }
  
  /* Drag States */
  .kaz-image-craft-preview-item.kaz-image-craft-dragging {
    opacity: 0.6;
    transform: scale(0.95) rotate(5deg);
    z-index: var(--z-dropdown);
  }
  
  .kaz-image-craft-preview-item.kaz-image-craft-drag-over {
    border-color: var(--success);
    background: var(--bg-secondary);
    transform: scale(1.02);
  }
  
  /* ===================================
     Image Display
     =================================== */
  
  .kaz-image-craft-image-box {
    position: relative;
    width: 100%;
    height: 50%;
    overflow: hidden;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    margin-bottom: var(--space-3);
  }
  
  .kaz-image-craft-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
  }
  
  .kaz-image-craft-image-box:hover .kaz-image-craft-image {
    transform: scale(1.05);
  }
  
  /* ===================================
     Action Buttons - Modern Design
     =================================== */
  
  .kaz-image-craft-delete-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 28px;
    height: 28px;
    background: var(--danger);
    color: var(--white);
    border: 2px solid var(--bg-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    z-index: 10;
    opacity: 0;
    transform: scale(0.8);
  }
  
  .kaz-image-craft-preview-item:hover .kaz-image-craft-delete-btn {
    opacity: 1;
    transform: scale(1);
  }
  
  .kaz-image-craft-delete-btn:hover {
    background: var(--danger-hover);
    transform: scale(1.1) rotate(90deg);
    box-shadow: var(--shadow-lg);
  }
  
  .kaz-image-craft-delete-btn:active {
    transform: scale(0.95) rotate(90deg);
  }
  
  /* File Name Display */
  .kaz-image-craft-image-name {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: var(--space-2);
    line-height: 1.4;
  }
  
  /* ===================================
     Mobile Controls - Touch Friendly
     =================================== */
  
  .kaz-image-craft-controls {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
  }
  
  .kaz-image-craft-controls button {
    min-width: 36px;
    height: 32px;
    background: var(--bg-primary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--space-2);
  }
  
  .kaz-image-craft-controls button:hover:not(:disabled) {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
  }
  
  .kaz-image-craft-controls button:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: none;
  }
  
  .kaz-image-craft-controls button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--bg-tertiary);
    color: var(--text-muted);
  }
  
  /* Touch device optimizations */
  @media (hover: none) and (pointer: coarse) {
    .kaz-image-craft-controls button {
      min-height: 44px;
      min-width: 44px;
    }
  
    .kaz-image-craft-delete-btn {
      width: 32px;
      height: 32px;
      opacity: 1;
      transform: scale(1);
    }
  }
  
  /* ===================================
     Modal System - Modern Overlay
     =================================== */
  
  .kaz-image-craft-modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: var(--z-modal);
    opacity: 0;
    transition: opacity var(--transition-slow);
    padding: var(--space-4);
  }
  
  .kaz-image-craft-modal[style*="flex"],
  .kaz-image-craft-modal[style*="block"] {
    opacity: 1;
  }
  
  /* Modal Backdrop - Click to Close */
  .kaz-image-craft-modal-backdrop {
    position: absolute;
    inset: 0;
    cursor: pointer;
  }
  
  /* Modal Content Container */
  .kaz-image-craft-modal-content {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    width: 100%;
    max-width: min(95vw, 1200px);
    max-height: min(95vh, 800px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.95);
    transition: transform var(--transition-bounce);
  }
  
  .kaz-image-craft-modal[style*="flex"] .kaz-image-craft-modal-content,
  .kaz-image-craft-modal[style*="block"] .kaz-image-craft-modal-content {
    transform: scale(1);
  }
  
  /* Modal Header */
  .kaz-image-craft-modal-header {
    position: relative;
    padding: var(--space-6) var(--space-6) var(--space-4);
    border-bottom: 1px solid var(--border-light);
  }
  
  .kaz-image-craft-modal-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    text-align: center;
    margin: 0;
  }
  
  .kaz-image-craft-modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    font-size: var(--font-size-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    z-index: 10;
  }
  
  .kaz-image-craft-modal-close:hover {
    background: var(--danger);
    color: var(--white);
    border-color: var(--danger);
    transform: rotate(90deg) scale(1.05);
  }
  
  /* Modal Body */
  .kaz-image-craft-modal-body {
    flex: 1;
    display: flex;
    min-height: 0;
    overflow: hidden;
  }
  
  /* ===================================
     Toolbar - Vertical Layout
     =================================== */
  
  .kaz-image-craft-modal-toolbar {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-4);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-light);
    width: 110px;
    min-width: 110px;
  }
  
  .kaz-tool-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-3) var(--space-2);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    user-select: none;
    background: transparent;
    border: 1px solid transparent;
  }
  
  .kaz-tool-item:hover {
    background: var(--bg-primary);
    border-color: var(--border-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
  }
  
  .kaz-tool-item:active {
    transform: translateY(0);
    box-shadow: none;
  }
  
  .kaz-tool-item.active {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
  }
  
  .kaz-tool-icon {
    font-size: 20px;
    line-height: 1;
    transition: transform var(--transition-base);
  }
  
  .kaz-tool-item:hover .kaz-tool-icon {
    transform: scale(1.1);
  }
  
  .kaz-tool-text {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.2;
    white-space: nowrap;
  }
  
  .kaz-tool-item:hover .kaz-tool-text,
  .kaz-tool-item.active .kaz-tool-text {
    color: var(--text-primary);
  }
  
  /* Tool Grid for Multiple Actions */
  .kaz-image-craft-tool-grid {
    width: auto;
    padding: var(--space-2);
  }
  
  .kaz-image-craft-tool-icon-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
  }
  
  .kaz-image-craft-tool-icon-cell {
    width: 28px;
    height: 28px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
  }
  
  .kaz-image-craft-tool-icon-cell:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: scale(1.05);
  }
  
  .kaz-image-craft-empty-cell {
    background: transparent;
    border: none;
    cursor: default;
    pointer-events: none;
  }
  
  /* ===================================
     Image Display Area
     =================================== */
  
     .kaz-image-craft-modal-main {
      flex: 1;
      display: flex;
      flex-direction: row; /* ← 从竖排改为横排 */
      min-height: 0;
      padding: var(--space-4);
      gap: var(--space-4);
    }
    
  
  .kaz-image-craft-modal-image-area {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
    min-height: 300px;
  }
  
  .kaz-image-craft-modal-image-area img,
  #kaz-preview-image {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-md);
    transition: transform var(--transition-base);
  }
  
  /* ===================================
     Image Navigation List
     =================================== */
  
  .kaz-image-craft-modal-image-list {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    min-height: 80px;
  }
  
  .kaz-image-list-container {
    flex: 1;
    display: flex;
    gap: var(--space-3);
    overflow-x: auto;
    padding: var(--space-2) 0;
    scroll-behavior: smooth;
  }
  
  /* Custom Scrollbar */
  .kaz-image-list-container::-webkit-scrollbar {
    height: 6px;
  }
  
  .kaz-image-list-container::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
  }
  
  .kaz-image-list-container::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: var(--radius-sm);
    transition: background var(--transition-base);
  }
  
  .kaz-image-list-container::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
  }
  
  /* Image Preview Items */
  .kaz-image-craft-image-preview-item {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-base);
    flex-shrink: 0;
    background: var(--bg-primary);
  }
  
  .kaz-image-craft-image-preview-item:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }
  
  .kaz-image-craft-image-preview-item.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
  }
  
  .kaz-image-craft-image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  /* Navigation Buttons */
  .kaz-list-nav {
    display: flex;
    gap: var(--space-2);
  }
  
  .kaz-nav-btn {
    width: 40px;
    height: 40px;
    background: var(--bg-primary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-xs);
  }
  
  .kaz-nav-btn:hover:not(:disabled) {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-sm);
  }
  
  .kaz-nav-btn:active:not(:disabled) {
    transform: scale(0.95);
  }
  
  .kaz-nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background: var(--bg-tertiary);
    color: var(--text-muted);
  }
  
  /* ===================================
     Crop Feature - Interactive Overlay
     =================================== */
  
  .kaz-image-craft-modal-crop-box {
    position: absolute;
    border: 2px solid var(--white);
    box-shadow:
      0 0 0 1px var(--primary),
      0 0 0 9999px rgba(0, 0, 0, 0.6);
    box-sizing: border-box;
    cursor: move;
    z-index: var(--z-popover);
    backdrop-filter: blur(1px);
  }
  
  /* Crop Handles */
  .crop-handle {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--white);
    border: 2px solid var(--primary);
    border-radius: var(--radius-full);
    z-index: calc(var(--z-popover) + 1);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
  }
  
  .crop-handle:hover {
    transform: scale(1.3);
    background: var(--primary);
    box-shadow: var(--shadow-lg);
  }
  
  .crop-handle:active {
    transform: scale(1.1);
  }
  
  /* Handle Positions */
  .crop-handle-nw { top: -6px; left: -6px; cursor: nw-resize; }
  .crop-handle-ne { top: -6px; right: -6px; cursor: ne-resize; }
  .crop-handle-sw { bottom: -6px; left: -6px; cursor: sw-resize; }
  .crop-handle-se { bottom: -6px; right: -6px; cursor: se-resize; }
  .crop-handle-n { top: -6px; left: 50%; transform: translateX(-50%); cursor: n-resize; }
  .crop-handle-s { bottom: -6px; left: 50%; transform: translateX(-50%); cursor: s-resize; }
  .crop-handle-w { top: 50%; left: -6px; transform: translateY(-50%); cursor: w-resize; }
  .crop-handle-e { top: 50%; right: -6px; transform: translateY(-50%); cursor: e-resize; }
  
  /* Crop Controls */
  .kaz-crop-box-controls {
    position: absolute;
    top: -60px;
    right: 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    z-index: calc(var(--z-popover) + 2);
  }
  
  .kaz-crop-confirm,
  .kaz-crop-cancel {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 36px;
    padding: 0 var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-lg);
    cursor: pointer;
    user-select: none;
    transition: all var(--transition-base);
    border: 1px solid transparent;
    box-shadow: var(--shadow-md);
  }
  
  .kaz-crop-confirm {
    background: var(--success);
    color: var(--white);
    border-color: var(--success);
  }
  
  .kaz-crop-confirm:hover {
    background: var(--success-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
  }
  
  .kaz-crop-cancel {
    background: var(--white);
    color: var(--text-primary);
    border-color: var(--border-medium);
  }
  
  .kaz-crop-cancel:hover {
    background: var(--danger);
    color: var(--white);
    border-color: var(--danger);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
  }
  
  .kaz-crop-confirm:disabled,
  .kaz-crop-cancel:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
  }
  
  /* Crop Size Display */
  .crop-size-display {
    position: absolute;
    bottom: -30px;
    left: 0;
    background: rgba(0, 0, 0, 0.8);
    color: var(--white);
    font-size: var(--font-size-xs);
    font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, 'DejaVu Sans Mono', monospace;
    font-weight: var(--font-weight-medium);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    pointer-events: none;
    z-index: calc(var(--z-popover) + 1);
    backdrop-filter: blur(4px);
  }
  
  /* ===================================
     Rotate Feature - Circular Control
     =================================== */
  
  .kaz-image-craft-modal-rotate-box {
    position: absolute;
    top: 0%;
    left: 0%;
    transform: translate(-50%, -50%);
    z-index: var(--z-popover);
  }
  
  .rotate-circle {
    position: relative;
    width: 120px;
    height: 120px;
    border: 3px dashed var(--primary);
    border-radius: var(--radius-full);
    background: rgba(59, 130, 246, 0.05);
    backdrop-filter: blur(4px);
    cursor: grab;
    user-select: none;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .rotate-circle:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--primary-hover);
    transform: scale(1.05);
  }
  
  .rotate-circle:active {
    cursor: grabbing;
    background: rgba(59, 130, 246, 0.15);
    transform: scale(0.98);
  }
  
  .rotate-center {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
    cursor: move;
    user-select: none;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
  }
  
  .rotate-center:hover {
    background: var(--primary-hover);
    transform: scale(1.1);
  }
  
  .rotate-center:active {
    transform: scale(0.95);
  }
  
  /* Rotate Controls */
  .kaz-rotate-confirm,
  .kaz-rotate-cancel {
    position: absolute;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    border: 2px solid var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
  }
  
  .kaz-rotate-confirm {
    top: 0px;
    left: 0px;
    background: var(--success);
    color: var(--white);
  }
  
  .kaz-rotate-confirm:hover {
    background: var(--success-hover);
    transform: scale(1.1);
  }
  
  .kaz-rotate-cancel {
    top: 0px;
    left: 24px;
    background: var(--danger);
    color: var(--white);
  }
  
  .kaz-rotate-cancel:hover {
    background: var(--danger-hover);
    transform: scale(1.1);
  }
  
  /* ===================================
     Responsive Design - Mobile First
     =================================== */
  
  /* Tablet Styles */
  @media (max-width: 1024px) {
    .kaz-image-craft-modal-content {
      max-width: 95vw;
      max-height: 95vh;
    }
  
    .kaz-image-craft-modal-image-area {
      min-height: 250px;
    }
  
    .kaz-image-craft-modal-toolbar {
      width: 90px;
      min-width: 90px;
    }
  
    .kaz-tool-item {
      padding: var(--space-2);
    }
  
    .kaz-tool-icon {
      font-size: 18px;
    }
  
    .kaz-tool-text {
      font-size: 10px;
    }
  }
  
  /* Mobile Styles */
  @media (max-width: 768px) {
    .kaz-image-craft-tool-icon-grid {
      display: grid;
      grid-template-columns: repeat(8, 1fr); /* 每行 8 列 */
      gap: var(--space-2); /* 按钮之间的间距 */
    }
    .kaz-image-craft-modal-close {
      position: absolute;
      top: -12px;
      right: -12px;
    }
    .kaz-image-craft-modal {
      width: 100%;
      height: 100%;
      padding: var(--space-2);
    }
  
    .kaz-image-craft-modal-content {
      border-radius: var(--radius-xl);
      max-height: 99vh;
    }
  
    .kaz-image-craft-modal-header {
      padding: var(--space-4);
    }
  
    .kaz-image-craft-modal-title {
      font-size: var(--font-size-lg);
    }
  
    .kaz-image-craft-modal-main {
      flex-direction: column;
    }
   
    .kaz-image-craft-modal-toolbar {
      flex-direction: row;
      width: 100%;
      min-width: auto;
      max-height: 60px;
      overflow-x: auto;
      padding: var(--space-2) 0px;
      border-right: none;
      border-bottom: 1px solid var(--border-light);
    }
  
    .kaz-tool-item {
      min-width: 60px;
      padding: var(--space-2);
    }
  
  
    .kaz-image-craft-modal-image-area {
      min-height: 200px;
    }
  
    .kaz-image-craft-modal-image-list {
      padding: var(--space-3);
      min-height: 70px;
    }
  
    .kaz-image-craft-image-preview-item {
      width: 56px;
      height: 56px;
    }
  
    .kaz-nav-btn {
      width: 36px;
      height: 36px;
      font-size: var(--font-size-base);
    }
  
    /* Mobile crop adjustments */
    .crop-handle {
      width: 16px;
      height: 16px;
    }
  
    .crop-handle-nw { top: -8px; left: -8px; }
    .crop-handle-ne { top: -8px; right: -8px; }
    .crop-handle-sw { bottom: -8px; left: -8px; }
    .crop-handle-se { bottom: -8px; right: -8px; }
  
    .kaz-crop-box-controls {
      top: -50px;
      flex-wrap: wrap;
    }
  
    .kaz-crop-confirm,
    .kaz-crop-cancel {
      height: 40px;
      min-width: 80px;
    }
  
    /* Mobile rotate adjustments */
    .rotate-circle {
      width: 100px;
      height: 100px;
    }
  
    .rotate-center {
      width: 40px;
      height: 40px;
      font-size: var(--font-size-base);
    }
  }
  
  /* ===================================
     Animations & Micro-interactions
     =================================== */
  
  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: scale(0.95);
    }
    to {
      opacity: 1;
      transform: scale(1);
    }
  }
  
  @keyframes slideUp {
    from {
      transform: translateY(20px);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }
  
  @keyframes slideDown {
    from {
      transform: translateY(-20px);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }
  
  @keyframes pulse {
    0%, 100% {
      transform: scale(1);
    }
    50% {
      transform: scale(1.05);
    }
  }
  
  @keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
      transform: translateY(0);
    }
    40%, 43% {
      transform: translateY(-8px);
    }
    70% {
      transform: translateY(-4px);
    }
    90% {
      transform: translateY(-2px);
    }
  }
  
  @keyframes spin {
    from {
      transform: rotate(0deg);
    }
    to {
      transform: rotate(360deg);
    }
  }
  
  /* Apply animations */
  .kaz-image-craft-modal-content {
    animation: fadeIn var(--transition-slow) ease-out;
  }
  
  .kaz-image-craft-modal-title {
    animation: slideDown var(--transition-slow) ease-out 0.1s backwards;
  }
  
  .kaz-image-craft-preview-item {
    animation: slideUp var(--transition-base) ease-out;
  }
  
  .kaz-image-craft-upload-icon {
    animation: bounce 2s infinite;
  }
  
  /* Loading states */
  .kaz-loading {
    position: relative;
    pointer-events: none;
  }
  
  .kaz-loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    border-radius: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .kaz-loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary);
    border-top-color: transparent;
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
    z-index: 1;
  }
  
  /* ===================================
     Accessibility & Focus States
     =================================== */
  
  /* Focus indicators */
  .kaz-tool-item:focus-visible,
  .kaz-nav-btn:focus-visible,
  .kaz-crop-confirm:focus-visible,
  .kaz-crop-cancel:focus-visible,
  .kaz-rotate-confirm:focus-visible,
  .kaz-rotate-cancel:focus-visible,
  .kaz-image-craft-modal-close:focus-visible,
  .kaz-image-craft-delete-btn:focus-visible,
  .kaz-image-craft-controls button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px var(--primary-light);
  }
  
  /* Screen reader only content */
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
  
  /* High contrast mode support */
  @media (prefers-contrast: high) {
    :root {
      --border-light: #000000;
      --border-medium: #000000;
      --text-secondary: #000000;
      --text-muted: #000000;
    }
  
    .kaz-image-craft-wrapper {
      border-width: 3px;
    }
  
    .kaz-image-craft-preview-item {
      border-width: 2px;
    }
  }
  
  /* Reduced motion support */
  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
  
    .kaz-image-craft-upload-icon {
      animation: none;
    }
  }
  
  /* ===================================
     Utility Classes
     =================================== */
  
  /* Spacing utilities */
  .kaz-mt-0 { margin-top: 0; }
  .kaz-mt-1 { margin-top: var(--space-1); }
  .kaz-mt-2 { margin-top: var(--space-2); }
  .kaz-mt-3 { margin-top: var(--space-3); }
  .kaz-mt-4 { margin-top: var(--space-4); }
  
  .kaz-mb-0 { margin-bottom: 0; }
  .kaz-mb-1 { margin-bottom: var(--space-1); }
  .kaz-mb-2 { margin-bottom: var(--space-2); }
  .kaz-mb-3 { margin-bottom: var(--space-3); }
  .kaz-mb-4 { margin-bottom: var(--space-4); }
  
  .kaz-p-0 { padding: 0; }
  .kaz-p-1 { padding: var(--space-1); }
  .kaz-p-2 { padding: var(--space-2); }
  .kaz-p-3 { padding: var(--space-3); }
  .kaz-p-4 { padding: var(--space-4); }
  
  /* Display utilities */
  .kaz-hidden { display: none !important; }
  .kaz-block { display: block !important; }
  .kaz-flex { display: flex !important; }
  .kaz-inline-flex { display: inline-flex !important; }
  .kaz-grid { display: grid !important; }
  
  /* Flexbox utilities */
  .kaz-flex-col { flex-direction: column; }
  .kaz-flex-row { flex-direction: row; }
  .kaz-items-center { align-items: center; }
  .kaz-items-start { align-items: flex-start; }
  .kaz-items-end { align-items: flex-end; }
  .kaz-justify-center { justify-content: center; }
  .kaz-justify-between { justify-content: space-between; }
  .kaz-justify-start { justify-content: flex-start; }
  .kaz-justify-end { justify-content: flex-end; }
  
  /* Text utilities */
  .kaz-text-left { text-align: left; }
  .kaz-text-center { text-align: center; }
  .kaz-text-right { text-align: right; }
  .kaz-text-xs { font-size: var(--font-size-xs); }
  .kaz-text-sm { font-size: var(--font-size-sm); }
  .kaz-text-base { font-size: var(--font-size-base); }
  .kaz-text-lg { font-size: var(--font-size-lg); }
  .kaz-text-xl { font-size: var(--font-size-xl); }
  
  /* Color utilities */
  .kaz-text-primary { color: var(--text-primary); }
  .kaz-text-secondary { color: var(--text-secondary); }
  .kaz-text-muted { color: var(--text-muted); }
  .kaz-text-success { color: var(--success); }
  .kaz-text-danger { color: var(--danger); }
  .kaz-text-warning { color: var(--warning); }
  
  /* Background utilities */
  .kaz-bg-primary { background-color: var(--bg-primary); }
  .kaz-bg-secondary { background-color: var(--bg-secondary); }
  .kaz-bg-tertiary { background-color: var(--bg-tertiary); }
  
  /* Border utilities */
  .kaz-border { border: 1px solid var(--border-light); }
  .kaz-border-0 { border: 0; }
  .kaz-border-t { border-top: 1px solid var(--border-light); }
  .kaz-border-b { border-bottom: 1px solid var(--border-light); }
  .kaz-border-l { border-left: 1px solid var(--border-light); }
  .kaz-border-r { border-right: 1px solid var(--border-light); }
  
  /* Border radius utilities */
  .kaz-rounded-none { border-radius: 0; }
  .kaz-rounded-sm { border-radius: var(--radius-sm); }
  .kaz-rounded { border-radius: var(--radius-md); }
  .kaz-rounded-lg { border-radius: var(--radius-lg); }
  .kaz-rounded-xl { border-radius: var(--radius-xl); }
  .kaz-rounded-full { border-radius: var(--radius-full); }
  
  /* Shadow utilities */
  .kaz-shadow-none { box-shadow: none; }
  .kaz-shadow-xs { box-shadow: var(--shadow-xs); }
  .kaz-shadow-sm { box-shadow: var(--shadow-sm); }
  .kaz-shadow-md { box-shadow: var(--shadow-md); }
  .kaz-shadow-lg { box-shadow: var(--shadow-lg); }
  .kaz-shadow-xl { box-shadow: var(--shadow-xl); }
  
  /* ===================================
     Print Styles
     =================================== */
  
  @media print {
    .kaz-image-craft-modal,
    .kaz-image-craft-delete-btn,
    .kaz-image-craft-controls {
      display: none !important;
    }
  
    .kaz-image-craft-preview-item {
      break-inside: avoid;
      page-break-inside: avoid;
    }
  
    .kaz-image-craft-wrapper {
      border: 1px solid #000;
      background: transparent;
    }
  }
  
  /* ===================================
     Component State Classes
     =================================== */
  
  /* Error states */
  .kaz-error {
    border-color: var(--danger) !important;
    background-color: rgba(239, 68, 68, 0.05) !important;
  }
  
  .kaz-error .kaz-image-craft-upload-text {
    color: var(--danger);
  }
  
  /* Success states */
  .kaz-success {
    border-color: var(--success) !important;
    background-color: rgba(16, 185, 129, 0.05) !important;
  }
  
  .kaz-success .kaz-image-craft-upload-text {
    color: var(--success);
  }
  
  /* Disabled states */
  .kaz-disabled {
    opacity: 0.6;
    pointer-events: none;
    cursor: not-allowed;
  }
  
  /* Active/Selected states */
  .kaz-active {
    border-color: var(--primary) !important;
    background-color: var(--primary-light) !important;
  }
  
  /* ===================================
     Compression Interface Styles
     =================================== */
  
  .kaz-image-craft-modal-compress-box {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-light);
    width: 90%;
    max-width: 500px;
    max-height: 105vh;
    overflow: hidden;
    z-index: 1001;
  
  }
  
  .kaz-compress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-secondary);
  }
  
  .kaz-compress-header h3 {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
  }
  
  .kaz-compress-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
  }
  
  .kaz-compress-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
  }
  
  .kaz-compress-content {
    padding: var(--space-5);
    max-height: 60vh;
    overflow-y: auto;
  }
  
  .kaz-compress-tabs {
    display: flex;
    margin-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-light);
  }
  
  .kaz-compress-tab {
    background: none;
    border: none;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
  }
  
  .kaz-compress-tab:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
  }
  
  .kaz-compress-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
  }
  
  .kaz-compress-tab-content {
    animation: fadeIn 0.3s ease;
  }
  
  .kaz-compress-row {
    margin-bottom: var(--space-4);
  }
  
  .kaz-compress-row:last-child {
    margin-bottom: 0;
  }
  
  .kaz-compress-input-group {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
  }
  
  .kaz-compress-input-group label {
    min-width: 80px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
  }
  
  .kaz-compress-input-group input[type="number"],
  .kaz-compress-input-group select {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color var(--transition-fast);
  }
  
  .kaz-compress-input-group input[type="number"]:focus,
  .kaz-compress-input-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
  }
  
  .kaz-compress-input-group input[type="range"] {
    flex: 1;
    margin: 0 var(--space-2);
  }
  
  .kaz-compress-input-group span {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    min-width: 40px;
  }
  
  .kaz-compress-preview {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    margin-top: var(--space-4);
  }
  
  .kaz-compress-preview-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
  }
  
  .kaz-compress-preview-item:last-child {
    margin-bottom: 0;
  }
  
  .kaz-compress-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--border-light);
    background: var(--bg-secondary);
  }
  
  .kaz-compress-btn {
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
    min-width: 80px;
  }
  
  .kaz-compress-cancel {
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-color: var(--border-light);
  }
  
  .kaz-compress-cancel:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
  }
  
  .kaz-compress-apply {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
  }
  
  .kaz-compress-apply:hover:not(:disabled) {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
  }
  
  .kaz-compress-apply:disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }
  
  /* Responsive Design for Compression Interface */
  @media (max-width: 640px) {
    .kaz-image-craft-tool-icon-grid {
      display: grid;
      grid-template-columns: repeat(8, 1fr); /* 每行 8 列 */
      gap: var(--space-2); /* 按钮之间的间距 */
    }
  
    .kaz-image-craft-modal-compress-box {
      width: 95%;
      max-height: 90vh;
    }
  
    .kaz-compress-header,
    .kaz-compress-content,
    .kaz-compress-footer {
      padding-left: var(--space-4);
      padding-right: var(--space-4);
    }
  
    .kaz-compress-input-group {
      flex-direction: column;
      align-items: stretch;
      gap: var(--space-1);
    }
  
    .kaz-compress-input-group label {
      min-width: auto;
    }
  
    .kaz-compress-footer {
      flex-direction: column;
    }
  
    .kaz-compress-btn {
      width: 100%;
    }
  }
  
  /* Animation for tab content */
  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /**
   * End of KazImageCraft Optimized Styles
   *
   * Total optimizations:
   * - Modern CSS custom properties system
   * - Improved accessibility and focus states
   * - Better responsive design
   * - Smooth animations and micro-interactions
   * - Utility classes for rapid development
   * - Dark mode support
   * - Print styles
   * - Reduced motion support
   * - High contrast mode support
   * - Image compression interface
   */