* {
    box-sizing: border-box;
  }
/* =====================================================
   Custom Scrollbar - تخصيص شريط التمرير
===================================================== */

/* تخصيص شريط التمرير لمتصفح فايرفوكس */
* {
  scrollbar-width: thin;
  scrollbar-color: #2e8b57 #e2e2e2; /* لونين صلبين فقط */
}

/* عرض شريط التمرير - لمتصفحات WebKit (Chrome, Edge, Safari) */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

/* الخلفية الخاصة بمسار الشريط */
::-webkit-scrollbar-track {
  background:#e2e2e2;
}

/* المقبض (الجزء المتحرك) */
::-webkit-scrollbar-thumb {
  background: #2e8b57;
  border-radius: 10px;
}

/* لون المقبض عند تمرير الماوس فوقه */
::-webkit-scrollbar-thumb:hover {
  background: #4caf50;
}
/* =====================================================*/
 .page canvas {
    touch-action: none; 
    -ms-touch-action: none; 
 }
  
  body {
    margin: 0;
    font-family: "Cairo", sans-serif;
    background: #f0f2f5;
    color: #333;
    overflow: hidden;
    transition: background 0.3s, color 0.3s;
    display: flex;
    flex-direction: column;
    height: 100vh;
  }
  
  /* === الهيدر === */
  .header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 20px;
    background: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 10;
    flex-shrink: 0;   /* يمنع الهيدر من الانكماش عند ضغط المحتوى */
    transition: background 0.3s;
  }
  
  .hdr-left,
  .hdr-center,
  .hdr-right {
    display: flex;
    gap: 15px;
    align-items: center;
  }
  
  #file-name {
    padding: 1px 1px;
    font-size: 16px;
    border: none;
    font-family: 'Cairo';
    border-radius: 4px;
    color: #333333;
    /*  min-width: 200px;*/
    max-width: 150px;
    } 
  
  .header button {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    padding: 5px 5px;
    color: #555;
    transition: all 0.2s;
  }
  
  .header button:hover {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
    color: #000;
  }
  
  .header button i {
    width: 20px;
    text-align: center;
  }
  
  /* === شريط الأدوات الأفقي الجديد === */
  .horizontal-toolbar {
    display: flex;
    background: #f9f9f9;
    padding: 5px 10px;
    border-bottom: 1px solid #ddd;
    overflow-x: auto;
    scrollbar-width: thin;
    transition: background 0.3s;
    z-index: 9;
    position: relative;
    flex-shrink: 0;   /* يمنع شريط الأدوات من الانكماش */
  }
  
  .horizontal-toolbar::-webkit-scrollbar {
    height: 4px;
  }
  
  .horizontal-toolbar::-webkit-scrollbar-thumb {
    background-color: #aaa;
    border-radius: 4px;
  }
  
  .toolbar-section {
    margin: 0 10px;
    border-right: 1px solid #ddd;
    padding-right: 15px;
    flex-shrink: 0;
  }
  
  .toolbar-section:first-child {
    border-right: none;
}
  
  .section-title {
    display: flex;
    align-items: center;
    gap: 5px;
  }
  
  .section-title h4 {
    margin: 5px 0;
    font-size: 10px;
    color: #555;
  }
  
  .toggle-section {
    background: none;
    border: none;
    font-size: 12px;
    cursor: pointer;
    color: #777;
    padding: 2px 5px;
    transition: all 0.2s;
  }
  
  .toggle-section:hover {
    color: #000;
  }
  
  .section-content {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 0px;
    transition: all 0.3s;
  }
  
  .section-content.hidden {
    display: none;
  }
  
  /* === أدوات الرسم في الشريط الأفقي === */
  .drawing-tools .section-content {
    gap: 5px;
  }
  
  .drawing-tools .tool-btn {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }
  
  /* === الألوان في الشريط الأفقي === */
  .color-tools .section-content {
    display: flex;
    flex-wrap: nowrap;
    gap: 5px;
  }
  
  .color-tools .color-list {
    display: flex;
    flex-wrap: nowrap;
    gap: 5px;
  }
  
  .color-circle {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    border: 2px solid #fff;
    box-shadow: 0 0 3px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: transform 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .color-circle:hover {
    transform: scale(1.15);
  }
  
  .color-circle.selected {
    border-color: #333;
    transform: scale(1.15);
  }
  
  .custom-color-btn {
    position: relative;
  }
  
  .custom-color-btn i {
    font-size: 12px;
    color: #fff;
    text-shadow: 0 0 2px rgba(0, 0, 0, 0.8);
  }
  
  /* ألوان مخصصة */
  #color-picker {
    position: absolute;
    top: -9999px;
    left: -9999px;
    visibility: hidden;
  }
  
  /* === أحجام القلم في الشريط الأفقي === */
  .size-tools .section-content {
    display: flex;
    align-items: center;
    gap: 15px;
  }
  
  .size-list {
    display: flex;
    gap: 5px;
  }
  
  .size-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: transform 0.2s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }
  
  .size-dot:hover {
    transform: scale(1.1);
  }
  
  .size-dot.selected {
    background: #e0e6ff;
    transform: scale(1.1);
  }
  
  .size-dot::after {
    content: "";
    position: absolute;
    background: #607d8b;
    border-radius: 50%;
  }
  
  .size-dot[data-size="2"]::after {
    width: 2px;
    height: 2px;
  }
  
  .size-dot[data-size="5"]::after {
    width: 5px;
    height: 5px;
  }
  
  .size-dot[data-size="10"]::after {
    width: 10px;
    height: 10px;
  }
  
  .size-dot[data-size="15"]::after {
    width: 15px;
    height: 15px;
  }
  
  .size-slider {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 120px;
  }
  
  .size-slider input[type="range"] {
    flex: 1;
  }
  
  .size-slider #size-value {
    font-size: 12px;
    min-width: 30px;
    text-align: center;
    color: #555;
  }
  
  /* === لوحة الإعدادات المنبثقة === */
  .settings-panel {
    position: absolute;
    top: 60px;
    left: 20px;
    width: 320px;
    background: #fff;
    padding: 15px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    z-index: 100;
    transition: all 0.3s;
    max-height: 80vh;
    overflow-y: auto;
  }
  
  .settings-panel.hidden {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
  }
  
  .settings-panel h3 {
    margin-top: 0;
    text-align: center;
    color: #444;
    font-size: 18px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
  }
  
  .settings-panel hr {
    margin: 15px 0;
    border: none;
    border-top: 1px solid #eee;
  }
  
  .settings-panel label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
  }
  
  .settings-panel select,
  .settings-panel input[type="number"],
  .settings-panel input[type="range"] {
    width: 100%;
    padding: 8px;
    margin-bottom: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: #f9f9f9;
  }
  
  .settings-panel button {
    width: 100%;
    padding: 10px;
    margin: 5px 0;
    background: #4a6fa5;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
  }
  
  .settings-panel button:hover {
    background: #3a5a8f;
  }
  
  /* === الألوان المخصصة في لوحة الإعدادات === */
  .custom-colors-container {
    margin-top: 10px;
  }
  
  .custom-colors-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
  }
  
  .custom-color {
    width: 100%;
    aspect-ratio: 1/1;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.2s;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  }
  
  .custom-color:hover {
    transform: scale(1.05);
  }
  
  .add-custom-color {
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
  }
  
  .add-custom-color:hover {
    background: #e0e0e0;
    color: #333;
  }
  
  .color-mixing {
    margin-top: 15px;
    padding: 12px;
    background: #f5f5f5;
    border-radius: 5px;
  }
  
  .color-sliders {
    margin-top: 8px;
  }
  
  .slider-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 5px;
  }
  
  .slider-group span {
    min-width: 15px;
  }
  
  .slider-group input[type="range"] {
    flex: 1;
  }
  
  .color-preview {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 12px 0;
  }
  
  #color-preview-box {
    width: 40px;
    height: 40px;
    border-radius: 5px;
    background: #000000;
    border: 1px solid #ccc;
  }
  
  #color-hex {
    flex: 1;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: monospace;
    text-align: center;
  }
  
  #add-mixed-color {
    background: #4a6fa5;
    color: white;
    width: 100%;
    padding: 8px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
  }
  
  #add-mixed-color:hover {
    background: #3a5a8f;
  }
  
  /* === مساحة العمل === */
  .workspace {
    display: flex;
    flex: 1;          /* يملأ ما تبقى من ارتفاع الـ body بعد الهيدر والشريط */
    min-height: 0;    /* ضروري لمنع تجاوز flex children لحدود الـ body */
    overflow: hidden;
    transition: all 0.3s;
  }
  
  /* === الشريط الجانبي === */
  .sidebar {
    width: 225px;
    background: #fff;
    padding: 10px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
    overflow-y: auto;
    transition: all 0.3s;
    scrollbar-width: thin;
    flex-shrink: 0;   /* يمنع الشريط الجانبي من الانكماش */
  }
  
  .sidebar.hidden {
    width: 0;
    padding: 0;
    overflow: hidden;
  }
  
  .sidebar-section {
    margin-bottom: 15px;
    background: #f9f9f9;
    border-radius: 6px;
    overflow: hidden;
  }
  
  .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: #f0f0f0;
    border-bottom: 1px solid #ddd;
  }
  
  .section-header h4 {
    margin: 0;
    font-size: 15px;
    color: #444;
  }
  
  .toggle-sidebar-section {
    background: none;
    border: none;
    font-size: 14px;
    cursor: pointer;
    color: #666;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
  }
  
  .toggle-sidebar-section:hover {
    background: rgba(0, 0, 0, 0.05);
    color: #000;
  }
  
  .sidebar .section-content {
    padding: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }
  
  .sidebar .section-content.hidden {
    display: none;
  }
  
  /* أزرار الأدوات في الشريط الجانبي */
  .sidebar .tool-btn {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #ddd;
    cursor: pointer;
    transition: all 0.2s;
  }
  
  .sidebar .tool-btn:hover {
    background: #f1f5ff;
    border-color: #b8c4ff;
  }
  
  .sidebar .tool-btn.active {
    background: #e0e6ff;
    border-color: #7c8fff;
    color: #3550e6;
  }
  
  /* === خيارات الجداول === */
  #table-options {
    padding: 10px;
    background: #f5f5f5;
    border-radius: 4px;
    margin-top: 10px;
    opacity: 1;
    height: auto;
    transition: all 0.3s;
  }
  
  #table-options.hidden {
    opacity: 0;
    height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
  }
  
  #table-options label {
    display: block;
    margin-bottom: 5px;
    font-size: 13px;
  }
  
  #table-options input {
    padding: 6px;
    width: 100%;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 8px;
  }
  
  #table-options button {
    width: 100%;
    padding: 8px;
    background: #4a6fa5;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
  }
  
  /* === قائمة الصفحات === */
  .pages-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
  }
  
  .page-item {
    padding: 8px 12px;
    background: #f5f5f5;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .page-item:hover {
    background: #e8e8e8;
  }
  
  .page-item.active {
    background: #e0e6ff;
    border-right: 3px solid #3550e6;
    color: #3550e6;
    font-weight: 600;
  }
  
  .add-page-button {
    padding: 8px;
    width: 100%;
    border: 1px dashed #999;
    background: #f0f0f0;
    cursor: pointer;
    border-radius: 4px;
    color: #555;
    font-size: 14px;
    margin-top: 5px;
    transition: all 0.2s;
  }
  
  .add-page-button:hover {
    background: #e0e0e0;
    border-color: #666;
    color: #333;
  }
  
  /* === منطقة الكانفاس (المنطقة الرئيسية للرسم) === */
  /* منع pull-to-refresh وزوم المتصفح على مستوى الصفحة كلها */
  html, body {
    overscroll-behavior: none;
    touch-action: pan-x pan-y;   /* نسمح بالسحب الاعتيادي فقط للمتصفح */
  }

  .canvas-area {
    flex: 1;
    min-height: 0;               /* ضروري لمنع تجاوز محتوى الـ flex */
    overflow: auto;
    position: relative;
    display: block;
    padding: 30px;
    background: #e2e2e2;
    transition: background 0.3s;
    overscroll-behavior: none;
    touch-action: pan-x pan-y;
  }

  .cont_pags {
    display: flex;
    flex-direction: column;
    align-items: center;   /* يُوسِّط الـ wrappers أفقياً */
    gap: 30px;
    padding: 30px 30px 80px;
    margin: 0 auto;
  }

  /* wrapper يحجز الارتفاع الصحيح بعد الـ scale ويمنع الفراغات */
  .page-wrapper {
    position: relative;
    flex-shrink: 0;
    /* العرض والارتفاع تُضبط بـ JS */
  }
  
  /* === الصفحات === */
  .page {
    position: absolute;   /* داخل الـ wrapper */
    top: 0;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    border-radius: 2px;
    transform-origin: top center;  /* التمدد/الانكماش من المركز = لا انزياح أفقي */
    flex-shrink: 0;
  }
  
  .page:hover .page-actions {
    opacity: 1;
  }
  
  .page-actions {
    position: absolute;
    top: -40px;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    padding: 5px;
    border-radius: 8px 8px 0 0;
    display: flex;
    gap: 5px;
    opacity: 0;
    transition: opacity 0.2s;
  }
  
  .page-actions button {
    width: 30px;
    height: 30px;
    border: none;
    background: none;
    cursor: pointer;
    color: #666;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
  }
  
  .page-actions button:hover {
    background: rgba(0, 0, 0, 0.08);
    color: #000;
  }
  
  /* === تفاعلات ادوات الرسم === */
  .tool-btn {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #ddd;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 16px;
    color: #555;
  }
  
  .tool-btn:hover {
    background: #f1f5ff;
    border-color: #b8c4ff;
  }
  
  .tool-btn.active {
    background: #e0e6ff;
    border-color: #7c8fff;
    color: #3550e6;
  }
  
  /* === نمط الوضع الداكن === */
  body.dark-mode {
    background: #1a1a1a;
    color: #e0e0e0;
  }
  
  body.dark-mode .header {
    background: #292929;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
  }
  
  body.dark-mode .header button {
    color: #bbb;
  }
  
  body.dark-mode .header button:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
  }
  
  body.dark-mode #file-name {
    background: #333;
    color: #e0e0e0;
    border-color: #444;
  }
  
  body.dark-mode .horizontal-toolbar {
    background: #252525;
    border-color: #333;
  }
  
  body.dark-mode .section-title h4 {
    color: #ccc;
  }
  
  body.dark-mode .toolbar-section {
    border-color: #444;
  }
  
  body.dark-mode .tool-btn {
    background: #333;
    border-color: #444;
    color: #ddd;
  }
  
  body.dark-mode .tool-btn:hover {
    background: #444;
    border-color: #555;
  }
  
  body.dark-mode .tool-btn.active {
    background: #3550e6;
    border-color: #5050ff;
    color: #fff;
  }
  
  body.dark-mode .size-dot {
    background: #333;
  }
  
  body.dark-mode .size-dot::after {
    background: #999;
  }
  
  body.dark-mode .size-dot.selected {
    background: #3550e6;
  }
  
  body.dark-mode .size-dot.selected::after {
    background: #fff;
  }
  
  body.dark-mode .sidebar {
    background: #292929;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.3);
  }
  
  body.dark-mode .sidebar-section {
    background: #333;
  }
  
  body.dark-mode .section-header {
    background: #3a3a3a;
    border-color: #444;
  }
  
  body.dark-mode .section-header h4 {
    color: #e0e0e0;
  }
  
  body.dark-mode .toggle-sidebar-section {
    color: #bbb;
  }
  
  body.dark-mode .toggle-sidebar-section:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
  }
  
  body.dark-mode .page-item {
    background: #3a3a3a;
    color: #e0e0e0;
  }
  
  body.dark-mode .page-item:hover {
    background: #444;
  }
  
  body.dark-mode .page-item.active {
    background: #3550e6;
    color: #fff;
    border-color: #5050ff;
  }
  
  body.dark-mode .add-page-button {
    background: #333;
    border-color: #555;
    color: #ccc;
  }
  
  body.dark-mode .add-page-button:hover {
    background: #444;
    border-color: #666;
    color: #fff;
  }
  
  body.dark-mode .canvas-area {
    background: #1e1e1e;
  }
  
  body.dark-mode .page {
    background: #2d2d2d;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    filter: brightness(0.95);
  }
  
  body.dark-mode .settings-panel {
    background: #292929;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  }
  
  body.dark-mode .settings-panel h3 {
    color: #e0e0e0;
    border-color: #444;
  }
  
  body.dark-mode .settings-panel label {
    color: #ccc;
  }
  
  body.dark-mode .settings-panel hr {
    border-color: #444;
  }
  
  body.dark-mode .settings-panel select,
  body.dark-mode .settings-panel input[type="number"],
  body.dark-mode .settings-panel input[type="range"] {
    background: #333;
    border-color: #444;
    color: #e0e0e0;
  }
  
  body.dark-mode .color-mixing {
    background: #333;
  }
  
  body.dark-mode #color-hex {
    background: #333;
    border-color: #444;
    color: #e0e0e0;
  }
  
  body.dark-mode #color-preview-box {
    border-color: #444;
  }
  
  /* === تصميم متجاوب للشاشات الصغيرة === */
  @media screen and (max-width: 768px) {
    .header {
      flex-wrap: wrap;
      padding: 10px;
    }
  
    .hdr-center {
      order: 3;
      width: 100%;
      justify-content: center;
      margin-top: 10px;
    }
  
    .sidebar {
      position: absolute;
      right: 0;
      top: 110px;
      height: calc(100vh - 110px);
      z-index: 9;
      transform: translateX(0);
      transition: transform 0.3s;
    }
  
    .sidebar.hidden {
      transform: translateX(100%);
      box-shadow: none;
    }
  
    .workspace {
      flex: 1;
      min-height: 0;
    }
  
    .horizontal-toolbar {
      padding: 5px;
      overflow-x: auto;
    }
  
    .toolbar-section {
      margin: 0 5px;
      padding-right: 10px;
    }
  
    .section-title h4 {
      font-size: 12px;
    }
  
    .size-slider {
      min-width: 90px;
    }
  
    .settings-panel {
      width: 90%;
      max-width: 320px;
      top: 100px;
      right: 50%;
      transform: translateX(50%);
    }
  }
  
  /* === كلاسات مساعدة === */
  .hidden {
    display: none !important;
  }
  
  /* === مؤشرات حسب الأداة المختارة === */
  .canvas-cursor-pen {
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2"><path d="M17 3a2.85 2.83 0 1 1 4 4L7.5 20.5 2 22l1.5-5.5L17 3z"/></svg>') 0 20, auto;
  }
  
  .canvas-cursor-eraser {
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2"><path d="M20 20H4a1 1 0 1 0 0 2h16a1 1 0 1 0 0-2z"/><path d="M4.9 15l4.7-4.7 5.8 5.8-2.5 2.5a2 2 0 0 1-1.4.6h-5.2a2 2 0 0 1-1.4-.6L4.9 15zM15.5 4l2.1 2.1-9.3 9.3-4.7-4.7L12.5 2l3 2z"/></svg>') 0 16, auto;
  }
  
  .canvas-cursor-text {
    cursor: text;
  }
  
  .canvas-cursor-select {
    cursor: pointer;
   }
   .canvas-cursor-highlight {
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="yellow" stroke-width="2"><path d="M9.6 4L4 9.6V14.4L14.4 4H9.6z"/><path d="M20 9.6L9.6 20H14.4L20 14.4V9.6z"/></svg>') 0 0, auto;
  }
  
  .canvas-cursor-shape {
    cursor: crosshair;
  }
  
  /* === خلفيات الصفحة === */
  .page canvas.bg-dots {
    background-image: radial-gradient(#b0b0b0 1px, transparent 1px);
    background-size: 20px 20px;
  }
  
  .page canvas.bg-lines {
    background-image: linear-gradient(#e0e0e0 1px, transparent 1px);
    background-size: 100% 20px;
  }
  
  .page canvas.bg-grid {
    background-image: linear-gradient(#e0e0e0 1px, transparent 1px),
                      linear-gradient(90deg, #e0e0e0 1px, transparent 1px);
    background-size: 20px 20px;
  }
  
  body.dark-mode .page canvas.bg-dots {
    background-image: radial-gradient(rgba(255, 255, 255, 0.2) 1px, transparent 1px);
  }
  
  body.dark-mode .page canvas.bg-lines {
    background-image: linear-gradient(rgba(255, 255, 255, 0.2) 1px, transparent 1px);
  }
  
  body.dark-mode .page canvas.bg-grid {
    background-image: linear-gradient(rgba(255, 255, 255, 0.2) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, 0.2) 1px, transparent 1px);
  }
  
  /* === حقل النص === */
  .text-input-field {
    position: absolute;
    background: transparent;
    border: 1px dashed #5050ff;
    min-width: 100px;
    min-height: 30px;
    padding: 5px;
    font-family: inherit;
    font-size: 16px;
    resize: both;
    overflow: auto;
    outline: none;
    z-index: 10;
  }
  
  .text-input-field:focus {
    border: 1px solid #5050ff;
  }
  
  /* === إضافات الجدول === */
  .table-element {
    position: absolute;
    border-collapse: collapse;
    background: #fff;
    z-index: 5;
  }
  
  .table-element td {
    border: 1px solid #ccc;
    padding: 8px;
    min-width: 60px;
    height: 30px;
    font-size: 14px;
  }
  
  body.dark-mode .table-element {
    background: #333;
  }
  
  body.dark-mode .table-element td {
    border-color: #555;
    color: #e0e0e0;
  }
  
  /* === رسائل النظام والإعلامات === */
  .notification {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 20px;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    border-radius: 8px;
    font-size: 14px;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    max-width: 80%;
    text-align: center;
  }
  
  .notification.show {
    opacity: 1;
  }
  
  /* === التحميل والتصدير === */
  .loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
  }
  
  .loading-overlay.show {
    opacity: 1;
    visibility: visible;
  }
  
  .loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s linear infinite;
  }
  
  @keyframes spin {
    100% {
      transform: rotate(360deg);
    }
  }
  
  /* === تفاعلات العناصر === */
  .draggable {
    cursor: move;
  }
  
  .resizable {
    position: relative;
  }
  
  .resize-handle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: #5050ff;
    border-radius: 50%;
  }
  
  .resize-handle.top-left {
    top: -4px;
    left: -4px;
    cursor: nwse-resize;
  }
  
  .resize-handle.top-right {
    top: -4px;
    right: -4px;
    cursor: nesw-resize;
  }
  
  .resize-handle.bottom-left {
    bottom: -4px;
    left: -4px;
    cursor: nesw-resize;
  }
  
  .resize-handle.bottom-right {
    bottom: -4px;
    right: -4px;
    cursor: nwse-resize;
  }
  .canvas-cursor-highlight {
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="yellow" stroke-width="2"><path d="M9.6 4L4 9.6V14.4L14.4 4H9.6z"/><path d="M20 9.6L9.6 20H14.4L20 14.4V9.6z"/></svg>') 0 0, auto;
  }
  
  .canvas-cursor-pan {
    cursor: grab;
  }
  
  .canvas-cursor-pan.active {
    cursor: grabbing;
  }
  
  .canvas-cursor-shape {
    cursor: crosshair;
  }
  /* === عناصر التحديد === */
  .selection-box {
    position: absolute;
    border: 1px dashed #3550e6;
    background: rgba(53, 80, 230, 0.1);
    pointer-events: none;
    z-index: 5;
  }
  
  .element-selected {
    outline: 2px solid #3550e6;
  }
  
  /* === تأثيرات حركية === */
  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  
  @keyframes slideUp {
    from { transform: translateY(10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
  }
  
  .fade-in {
    animation: fadeIn 0.3s forwards;
  }
  
  .slide-up {
    animation: slideUp 0.3s forwards;
  }
  
  /* === تنسيقات الطباعة === */
  @media print {
    body * {
      visibility: hidden;
    }
    
    .page, .page * {
      visibility: visible;
    }
    
    .page {
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      box-shadow: none;
    }
    
    .page-actions {
      display: none;
    }
  }
  
  /* === تعديلات وضع الأجهزة اللوحية === */
  @media screen and (max-width: 992px) and (min-width: 769px) {
    .sidebar {
      width: 180px;
    }
    
    .sidebar .tool-btn {
      width: 36px;
      height: 36px;
    }
    
    .horizontal-toolbar {
      padding: 5px;
    }
    
    .toolbar-section {
      margin: 0 8px;
    }
  }
  
  /* === تحسينات إضافية للشاشات الصغيرة جدًا === */
  @media screen and (max-width: 480px) {
    .header {
      padding: 5px;
    }
    
    .hdr-left, .hdr-right {
      gap: 8px;
    }
    
    .hdr-right button {
      padding: 5px 8px;
    }
    
    #file-name {
      min-width: 120px;
      font-size: 14px;
    }
    
    .sidebar {
      width: 200px;
    }
    
    .horizontal-toolbar {
      overflow-x: auto;
      flex-wrap: nowrap;
    }
    
    .color-circle {
      width: 24px;
      height: 24px;
    }
    
    .size-dot {
      width: 24px;
      height: 24px;
    }
    
    .settings-panel {
      width: 100%;
      max-width: none;
      top: 0;
      left: 0;
      right: 0;
      height: 100vh;
      transform: none;
      border-radius: 0;
    }
  }
  
  /* === تحسينات الوصولية === */
  :focus-visible {
    outline: 2px solid #3550e6;
    outline-offset: 2px;
  }
  
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
  }

  .page-item.active {
    background: #e0e6ff;
    border-right: 3px solid #3550e6;
    color: #3550e6;
    font-weight: 600;
  }
  
  .page.active-page {
      border: 2px solid #3550e6; 
      box-shadow: 0 0 15px rgba(53, 80, 230, 0.3);
  }
  
  /* اختياري: إزالة الظل أو الحدود الافتراضية للصفحات غير النشطة إذا كانت تتعارض */
  .page:not(.active-page) {
      border: none;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  }
  button.page-action-btn.delete-page-btn {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    padding: 8px 12px;
    color: #555;
    transition: all 0.2s;
}

button.page-action-btn.delete-page-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
    color: #FF5722;

}
/* === خيارات الجداول === */
#table-options {
  padding: 10px;
  background: #f5f5f5;
  border-radius: 4px;
  margin-top: 10px;
  opacity: 1;
  height: auto; 
  transition: all 0.3s ease-in-out; 
}

#table-options.hidden {
  opacity: 0;
  height: 0;
  padding: 0;
  margin: 0;
  overflow: hidden;
}

#table-options label {
  display: block;
  margin-bottom: 5px;
  font-size: 13px;
}

#table-options input {
  padding: 6px;
  width: 100%;
  border: 1px solid #ddd;
  border-radius: 4px;
  margin-bottom: 8px;
}
.pages_all_span {
  /* display: grid
; */
  justify-items: center;
}

/* ====================================================
   إدارة الصور - Image Manager Styles
   ==================================================== */

/* طبقة الصور الشفافة فوق اللوحة */
.image-overlay-canvas {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 5;
    touch-action: none;
}

/* تأثير السحب والإفلات على منطقة العمل */
.canvas-area.drag-over {
    outline: 3px dashed #2563EB;
    outline-offset: -3px;
    background-color: rgba(37, 99, 235, 0.04);
}

/* تلميح مرئي عند السحب */
.canvas-area.drag-over::after {
    content: 'أفلت الصورة هنا';
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(37, 99, 235, 0.85);
    color: #fff;
    padding: 18px 36px;
    border-radius: 14px;
    font-size: 1.25rem;
    font-family: 'Cairo', sans-serif;
    pointer-events: none;
    z-index: 9999;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    letter-spacing: 0.02em;
}

/* زر أداة الصورة */
#image-btn {
    position: relative;
}

/* حقل رفع الصورة المخفي */
#image-file-input {
    display: none !important;
}

/* وضع داكن - تأثير السحب */
body.dark-mode .canvas-area.drag-over {
    outline-color: #60A5FA;
    background-color: rgba(96, 165, 250, 0.06);
}

body.dark-mode .canvas-area.drag-over::after {
    background: rgba(96, 165, 250, 0.9);
    color: #1e293b;
}