/**
 * DeepSeek Chatbot - Enhanced Professional CSS
 * Version: 5.3
 * 
 * تصميم نظيف وحديث لواجهة محادثات الذكاء الاصطناعي
 * محسّن للأداء، القراءة، إمكانية الوصول والصيانة
 */

/* ==========================================================================
   1. متغيرات CSS وتكوين السمة
   ========================================================================== */

:root {
  /* ألوان العلامة التجارية الأساسية */
  --ds-primary: #3b82f6;
  --ds-primary-hover: #2563eb;
  --ds-primary-light: rgba(59, 130, 246, 0.12);
  --ds-primary-rgb: 59, 130, 246;
  
  /* ألوان ثانوية */
  --ds-secondary: #8b5cf6;
  --ds-secondary-rgb: 139, 92, 246;
  --ds-accent: #ec4899;
  --ds-accent-rgb: 236, 72, 153;
  --ds-info-color: #3498db;
  --ds-success-color: #34c759;
  --ds-warning-color: #f59e0b;
  --ds-error-color: #ef4444;
  
  /* تدرجات لونية */
  --ds-gradient-blue: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  --ds-gradient-purple: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
  --ds-gradient-mix: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
  
  /* ألوان النصوص */
  --ds-text-primary: #1c1e21;
  --ds-text-secondary: #64748b;
  --ds-text-tertiary: #8e8e93;
  --ds-text-light: #f8fafc;
  
  /* خلفيات */
  --ds-bg-primary: #ffffff;
  --ds-bg-secondary: #f8fafc;
  --ds-bg-tertiary: #f1f5f9;
  --ds-bg-accent: #f0f9ff;
  --ds-bg-card: #ffffff;
  --ds-bg-glass: rgba(255, 255, 255, 0.8);
  --ds-bg-message-user: #3b82f6;
  --ds-bg-message-ai: #f8fafc;
  --ds-bg-input: #f8fafc;
  
  /* حدود */
  --ds-border-color: #e2e8f0;
  --ds-border-hover: #cbd5e1;
  --ds-radius-sm: 8px;
  --ds-radius-md: 12px;
  --ds-radius-lg: 16px;
  --ds-radius-xl: 24px;
  --ds-radius-2xl: 32px;
  --ds-radius-circle: 50%;
  
  /* ظلال */
  --ds-shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
  --ds-shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.03);
  --ds-shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -1px rgba(15, 23, 42, 0.03);
  --ds-shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.02);
  --ds-shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 10px 10px -5px rgba(15, 23, 42, 0.02);
  --ds-shadow-colored: 0 12px 28px rgba(var(--ds-primary-rgb), 0.15);
  
  /* أحجام الخط */
  --ds-font-size-xs: 0.75rem;
  --ds-font-size-sm: 0.875rem;
  --ds-font-size-md: 1rem;
  --ds-font-size-lg: 1.125rem;
  --ds-font-size-xl: 1.25rem;
  
  /* تأثيرات حركية */
  --ds-transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --ds-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --ds-transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --ds-transition-bounce: 0.5s cubic-bezier(0.2, 0.8, 0.2, 1.2);
  
  /* مسافات */
  --ds-space-1: 4px;
  --ds-space-2: 8px;
  --ds-space-3: 12px;
  --ds-space-4: 16px;
  --ds-space-5: 20px;
  --ds-space-6: 24px;
  --ds-space-8: 32px;
  --ds-space-10: 40px;
  --ds-space-12: 48px;
  
  /* طبقات Z-index */
  --ds-z-dropdown: 1000;
  --ds-z-modal: 2000;
  --ds-z-tooltip: 3000;
  
  /* خطوط */
  --ds-font-sans: 'SF Pro Display', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --ds-font-mono: "SF Mono", SFMono-Regular, ui-monospace, Menlo, Monaco, Consolas, monospace;
}

/* متغيرات الوضع الداكن */
.dark-theme, 
.theme-dark {
  --ds-primary: #38bdf8;
  --ds-primary-hover: #0ea5e9;
  --ds-primary-light: rgba(56, 189, 248, 0.15);
  --ds-primary-rgb: 56, 189, 248;
  --ds-secondary: #a78bfa;
  --ds-secondary-rgb: 167, 139, 250;
  
  /* ألوان النصوص */
  --ds-text-primary: #f1f5f9;
  --ds-text-secondary: #cbd5e1;
  --ds-text-tertiary: #94a3b8;
  --ds-text-light: #f1f5f9;
  
  /* خلفيات */
  --ds-bg-primary: #0f172a;
  --ds-bg-secondary: #1e293b;
  --ds-bg-tertiary: #334155;
  --ds-bg-accent: #082f49;
  --ds-bg-card: #1e293b;
  --ds-bg-glass: rgba(15, 23, 42, 0.8);
  --ds-bg-message-user: #38bdf8;
  --ds-bg-message-ai: #1e293b;
  --ds-bg-input: #1e293b;
  
  /* حدود */
  --ds-border-color: #334155;
  --ds-border-hover: #475569;
  
  /* ظلال */
  --ds-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
  --ds-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2), 0 1px 2px rgba(0, 0, 0, 0.1);
  --ds-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.25), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
  --ds-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
  --ds-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.1);
  --ds-shadow-colored: 0 12px 28px rgba(var(--ds-primary-rgb), 0.2);
}

/* أنماط محددة للوضع الداكن */

body.dark-theme .deepseek-code-block,
#chat-container.theme-dark .deepseek-code-block {
  background: #1a1b26;
  border-color: var(--ds-border-color);
}

body.dark-theme .deepseek-code-header,
#chat-container.theme-dark .deepseek-code-header {
  background: var(--ds-bg-secondary);
  border-color: var(--ds-border-color);
}

body.dark-theme .deepseek-copy-code,
#chat-container.theme-dark .deepseek-copy-code {
  background: var(--ds-bg-secondary);
  border-color: var(--ds-border-hover);
  color: var(--ds-text-secondary);
}

body.dark-theme .input-wrapper,
#chat-container.theme-dark .input-wrapper {
  background: var(--ds-bg-input);
  border-color: var(--ds-border-color);
}

body.dark-theme .input-action-btn,
#chat-container.theme-dark .input-action-btn {
  color: var(--ds-text-secondary);
}

body.dark-theme #chat-input::placeholder,
#chat-container.theme-dark #chat-input::placeholder {
  color: var(--ds-text-tertiary);
}

body.dark-theme .typing-indicator,
#chat-container.theme-dark .typing-indicator {
  background: var(--ds-bg-message-ai);
}

body.dark-theme .deepseek-chat-footer-rating .rating-star,
#chat-container.theme-dark .deepseek-chat-footer-rating .rating-star {
  color: var(--ds-border-hover);
}

body.dark-theme code,
#chat-container.theme-dark code {
  background-color: var(--ds-bg-secondary);
  color: var(--ds-text-secondary);
}

body.dark-theme .message-actions,
#chat-container.theme-dark .message-actions {
  border-top-color: rgba(var(--ds-primary-rgb), 0.2);
}

/* ==========================================================================
   2. إعادة ضبط وأنماط أساسية
   ========================================================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--ds-font-sans);
  color: var(--ds-text-primary);
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button, 
input, 
select, 
textarea {
  font-family: inherit;
}

/* ==========================================================================
   3. تخطيط الحاوية الرئيسية
   ========================================================================== */

#deepseek-chat-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
  font-family: var(--ds-font-sans);
}

#deepseek-chat-wrapper.deepseek-position-left {
  justify-content: flex-start;
}

#deepseek-chat-wrapper.deepseek-position-right {
  justify-content: flex-end;
}

#chat-container {
  width: 100%;
  background: var(--ds-bg-primary);
  border-radius: var(--ds-radius-lg);
  box-shadow: var(--ds-shadow-md);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: var(--ds-transition);
  border: 1px solid var(--ds-border-color);
  position: relative;
  max-width: 1200px;
  margin: var(--ds-space-8) auto;
}

#chat-container:hover {
  box-shadow: var(--ds-shadow-lg);
}

/* ==========================================================================
   4. رأس الدردشة
   ========================================================================== */

#chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ds-space-4) var(--ds-space-6);
  background: var(--ds-bg-primary);
  border-bottom: 1px solid var(--ds-border-color);
  transition: var(--ds-transition);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--ds-shadow-xs);
  backdrop-filter: blur(10px);
}

/* ===== منطقة معلومات البوت ===== */
.bot-info {
  display: flex;
  align-items: center;
  gap: 15px;
  position: relative;
  z-index: 2;
}

.bot-avatar {
  width: 46px;
  height: 46px;
  border-radius: var(--ds-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--ds-shadow-sm);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  background: var(--ds-gradient-blue);
}

.bot-avatar::before {
  content: '';
  position: absolute;
  width: 150%;
  height: 150%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.5) 0%, transparent 50%);
  top: -25%;
  left: -25%;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.bot-avatar:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--ds-shadow-colored);
}

.bot-avatar:hover::before {
  opacity: 0.9;
}

.bot-avatar img {
  width: 70%;
  height: 70%;
  object-fit: contain;
  filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.15));
  transition: transform 0.4s ease;
  position: relative;
  z-index: 1;
}

.bot-avatar:hover img {
  transform: scale(1.15);
}

.bot-avatar i {
  font-size: var(--ds-font-size-xl);
  color: var(--ds-text-light);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
  position: relative;
  z-index: 1;
}

.bot-status {
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-1);
}

.bot-name {
  font-size: var(--ds-font-size-md);
  font-weight: 600;
  color: var(--ds-text-primary);
  letter-spacing: 0.01em;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.3s ease;
}

.bot-title {
  font-size: var(--ds-font-size-sm);
  font-weight: 500;
  color: var(--ds-primary);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 220px;
  transition: color 0.3s ease;
}

.bot-status-text {
  font-size: var(--ds-font-size-xs);
  color: var(--ds-text-secondary);
  display: flex;
  align-items: center;
  margin-top: 3px;
  transition: color 0.3s ease;
}

/* ===== مؤشر الحالة ===== */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--ds-radius-circle);
  background-color: var(--ds-success-color);
  margin-right: 6px;
  position: relative;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8);
}

.status-dot::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  width: 14px;
  height: 14px;
  border-radius: var(--ds-radius-circle);
  background-color: rgba(52, 199, 89, 0.3);
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.8); opacity: 0.8; }
  70% { transform: scale(1.3); opacity: 0; }
  100% { transform: scale(0.8); opacity: 0; }
}

/* ===== شارات الخبرة ===== */
.agent-expertise {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.expertise-badge {
  background-color: var(--ds-primary-light);
  color: var(--ds-primary);
  font-size: var(--ds-font-size-xs);
  font-weight: 500;
  padding: 3px 8px;
  border-radius: var(--ds-radius-circle);
  display: inline-flex;
  align-items: center;
  transition: var(--ds-transition);
  box-shadow: 0 2px 5px rgba(var(--ds-primary-rgb), 0.1);
}

.expertise-badge:hover {
  background-color: rgba(var(--ds-primary-rgb), 0.15);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(var(--ds-primary-rgb), 0.15);
}

/* ===== إجراءات الرأس ===== */
.actions {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  z-index: 2;
}

/* ===== محددات اللغة والنموذج ===== */
.language-select, 
.model-select {
  padding: 8px 14px 8px 16px;
  border-radius: 30px;
  border: 1px solid var(--ds-border-color);
  background-color: var(--ds-bg-secondary);
  color: #0380fc;
  font-size: var(--ds-font-size-sm);
  font-weight: 500;
  cursor: pointer;
  outline: none;
  transition: var(--ds-transition);
  min-width: 130px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 35px;
  box-shadow: var(--ds-shadow-xs);
}

.language-select:hover, 
.model-select:hover {
  border-color: var(--ds-primary);
  background-color: rgba(var(--ds-primary-rgb), 0.04);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(var(--ds-primary-rgb), 0.1);
}

.language-select:focus, 
.model-select:focus {
  border-color: var(--ds-primary);
  box-shadow: 0 0 0 3px rgba(var(--ds-primary-rgb), 0.2);
}

/* ===== أزرار الإجراءات ===== */
.action-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--ds-radius-md);
  border: none;
  background: var(--ds-bg-secondary);
  color: var(--ds-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--ds-transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--ds-shadow-xs);
}

.action-btn:hover {
  color: var(--ds-primary);
  background-color: rgba(var(--ds-primary-rgb), 0.08);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(var(--ds-primary-rgb), 0.15);
}

.action-btn:active {
  transform: scale(0.95);
}

/* ===== زر تبديل السمة ===== */
#theme-toggle {
  width: 42px;
  height: 42px;
  border-radius: var(--ds-radius-md);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  box-shadow: var(--ds-shadow-md);
  background: linear-gradient(135deg, var(--ds-bg-secondary) 0%, var(--ds-bg-tertiary) 100%);
}

#theme-toggle::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, rgba(var(--ds-primary-rgb), 0.12) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

#theme-toggle:hover::before {
  opacity: 1;
}

#theme-toggle i {
  font-size: var(--ds-font-size-lg);
  transition: all 0.4s ease;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.08));
}

#theme-toggle:hover {
  transform: translateY(-3px);
  box-shadow: var(--ds-shadow-lg);
}

#theme-toggle:hover i {
  transform: rotate(15deg) scale(1.1);
}

/* ===== أيقونات السمة الفاتحة/الداكنة ===== */
#theme-toggle i.fa-sun {
  color: var(--ds-warning-color);
}

#theme-toggle:hover i.fa-sun {
  color: var(--ds-warning-color);
  filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.5));
}

#theme-toggle i.fa-moon {
  color: var(--ds-primary);
}

#theme-toggle:hover i.fa-moon {
  color: var(--ds-primary);
  filter: drop-shadow(0 0 8px rgba(var(--ds-primary-rgb), 0.5));
}

/* ===== زر التصدير ===== */
#export-chat {
  color: var(--ds-primary);
  background: rgba(var(--ds-primary-rgb), 0.08);
}

#export-chat:hover {
  background: rgba(var(--ds-primary-rgb), 0.15);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(var(--ds-primary-rgb), 0.2);
}

/* ===== تصميم متجاوب لشاشات مختلفة ===== */
@media (max-width: 992px) {
  #chat-header {
    padding: 14px 18px;
  }
  
  .language-select, .model-select {
    min-width: 110px;
  }
}

@media (max-width: 768px) {
  #chat-header {
    padding: 12px 16px;
  }
  
  .bot-avatar {
    width: 40px;
    height: 40px;
  }
  
  .bot-name {
    font-size: calc(var(--ds-font-size-md) - 1px);
  }
  
  .bot-title {
    font-size: calc(var(--ds-font-size-xs) + 1px);
    max-width: 180px;
  }
  
  .expertise-badge {
    font-size: calc(var(--ds-font-size-xs) - 1px);
    padding: 2px 6px;
  }
  
  .language-select, 
  .model-select {
    padding: 6px 12px 6px 14px;
    font-size: var(--ds-font-size-xs);
    min-width: 100px;
    padding-right: 32px;
    background-position: right 12px center;
  }
  
  .action-btn,
  #theme-toggle {
    width: 36px;
    height: 36px;
  }
  
  .actions {
    gap: 8px;
  }
}

@media (max-width: 576px) {
  .bot-info {
    gap: 10px;
  }
  
  .bot-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--ds-radius-sm);
  }
  
  .bot-title {
    max-width: 130px;
  }
  
  .agent-expertise {
    display: none; /* إخفاء الشارات على الشاشات الصغيرة */
  }
  
  .action-btn,
  #theme-toggle {
    width: 34px;
    height: 34px;
    border-radius: var(--ds-radius-sm);
  }
  
  .language-select, 
  .model-select {
    min-width: 90px;
  }
  
  .actions {
    gap: 6px;
  }
}

@media (max-width: 480px) {
  #chat-header {
    padding: 10px 12px;
  }
  
  .bot-name {
    font-size: var(--ds-font-size-sm);
  }
  
  .bot-title {
    font-size: var(--ds-font-size-xs);
    max-width: 110px;
  }
  
  .bot-status-text {
    font-size: calc(var(--ds-font-size-xs) - 1px);
  }
  
  /* إظهار العنصر الأهم فقط على الشاشات الصغيرة جدًا */
  .language-select {
    display: none;
  }
  
  .action-btn i,
  #theme-toggle i {
    font-size: var(--ds-font-size-md);
  }
  
  .status-dot {
    width: 6px;
    height: 6px;
  }
  
  .status-dot::after {
    top: -2px;
    left: -2px;
    width: 10px;
    height: 10px;
  }
}

/* ===== تحريكات إضافية ===== */
@keyframes slide-in-right {
  0% { transform: translateX(20px); opacity: 0; }
  100% { transform: translateX(0); opacity: 1; }
}

@keyframes slide-in-left {
  0% { transform: translateX(-20px); opacity: 0; }
  100% { transform: translateX(0); opacity: 1; }
}

.bot-info {
  animation: slide-in-left var(--ds-transition) forwards;
}

.actions {
  animation: slide-in-right var(--ds-transition) forwards;
}

/* ===== زخرفة الخلفية ===== */
#chat-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 10% 10%, rgba(var(--ds-primary-rgb), 0.03) 0%, transparent 50%),
    radial-gradient(circle at 90% 90%, rgba(var(--ds-primary-rgb), 0.03) 0%, transparent 50%);
  opacity: 0.7;
  pointer-events: none;
}

/* ==========================================================================
   5. حاوية رسائل الدردشة
   ========================================================================== */

#chat-output {
  flex: 1;
  overflow-y: auto;
  padding: 22px 25px;
  background: var(--ds-bg-primary);
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-height: 350px;
  max-height: 600px;
  scroll-behavior: smooth;
  background-image: 
    radial-gradient(
      circle at 10% 20%,
      rgba(var(--ds-primary-rgb), 0.025) 0%,
      rgba(var(--ds-primary-rgb), 0.005) 90%
    ),
    linear-gradient(
      180deg,
      rgba(var(--ds-primary-rgb), 0.01) 0%,
      rgba(var(--ds-primary-rgb), 0.03) 100%
    );
  position: relative;
}

/* تنسيق شريط التمرير */
#chat-output::-webkit-scrollbar {
  width: 6px;
}

#chat-output::-webkit-scrollbar-track {
  background: transparent;
  margin: 4px 0;
}

#chat-output::-webkit-scrollbar-thumb {
  background-color: var(--ds-border-color);
  border-radius: 20px;
  transition: background-color 0.3s ease;
}

#chat-output:hover::-webkit-scrollbar-thumb {
  background-color: var(--ds-border-hover);
}

/* رسالة الترحيب */
#welcome-message {
  margin-bottom: 15px;
}

#welcome-message .content {
  font-size: 0.95em;
  padding: 12px 16px;
}

/* ==========================================================================
   6. فقاعات الرسائل
   ========================================================================== */

/* هيكل الرسالة الأساسي */
.message {
  display: flex;
  max-width: 96%;
  animation: fadeInMessage 0.4s ease;
  position: relative;
  margin-bottom: 22px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

@keyframes fadeInMessage {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* رسالة المستخدم */
.message.user-message {
  margin-left: auto;
  margin-right: var(--ds-space-2);
  flex-direction: row-reverse;
  max-width: 90%;
  position: relative;
  z-index: 1;
  margin-bottom: calc(var(--ds-space-6) + 4px);
  transform-origin: right center;
  animation: message-appear var(--ds-transition) forwards;
}

/* رسالة الذكاء الاصطناعي */
.message.ai-message {
  margin-right: auto;
  margin-left: var(--ds-space-2);
  max-width: 95%;
  margin-bottom: calc(var(--ds-space-6) + 4px);
  transform-origin: left center;
  animation: message-appear var(--ds-transition) forwards;
}

@keyframes message-appear {
  0% { opacity: 0; transform: translateY(10px) scale(0.98); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* تنسيق الأفاتار */
.message .avatar {
  width: 42px;
  height: 42px;
  border-radius: var(--ds-radius-circle);
  margin: 0 var(--ds-space-2) 0 var(--ds-space-2);
  flex-shrink: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--ds-shadow-xs);
  transition: var(--ds-transition);
  border: 2px solid var(--ds-border-color);
  background-color: var(--ds-bg-secondary);
  position: relative;
}

.message .avatar img {
  width: 70%;
  height: 70%;
  object-fit: contain;
}

.message .avatar i {
  font-size: var(--ds-font-size-lg);
  color: var(--ds-text-secondary);
}

/* أفاتار المستخدم - تنسيق خاص */
.message.user-message .avatar {
  background: var(--ds-primary-hover);
  border: 2px solid var(--ds-primary-light);
}

.user-avatar {
  width: 28px;
  height: 28px;
  background: var(--ds-bg-primary);
  border-radius: var(--ds-radius-circle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ds-primary);
  font-weight: 600;
  font-size: var(--ds-font-size-sm);
}

/* محتوى الرسالة - مُحسن */
.message .content {
  transition: var(--ds-transition);
  white-space: normal !important;
  padding: var(--ds-space-4) var(--ds-space-6);
  border-radius: var(--ds-radius-md);
  position: relative;
  overflow: hidden;
  margin-bottom: var(--ds-space-2);
}

/* محتوى رسالة الذكاء الاصطناعي - مُحسن */
.message.ai-message .content {
  color: var(--ds-text-primary);
  width: 100%;
}

/* محتوى رسالة المستخدم - مُحسن */
.message.user-message .content {
  color: var(--ds-text-primary);
  opacity: 1 !important;
}

/* رسالة النظام - مُحسنة */
.message.system-message {
  margin: var(--ds-space-2) auto var(--ds-space-6);
  max-width: 92%;
}

.message.system-message .content {
  background: var(--ds-bg-secondary);
  color: var(--ds-text-secondary);
  border-radius: var(--ds-radius-md);
  text-align: center;
  font-style: italic;
  padding: var(--ds-space-2) var(--ds-space-6);
  font-size: var(--ds-font-size-sm);
  margin: 0 auto;
}

/* رسالة الخطأ - مُحسنة */
.message.error-message .content {
  background: rgba(var(--ds-error-color), 0.1);
  color: var(--ds-error-color);
  border: 1px solid rgba(var(--ds-error-color), 0.2);
  border-left: 3px solid var(--ds-error-color);
  text-align: center;
  padding: var(--ds-space-2) var(--ds-space-6);
}

/* إجراءات الرسالة - مرئية دائمًا وأسفل المحتوى */
.message-actions {
  display: flex;
  gap: var(--ds-space-1);
  margin-top: var(--ds-space-1);
  margin-bottom: 6px;
  padding: 0 2px;
  opacity: 1;
  z-index: 5;
}

.message.ai-message .message-actions {
  justify-content: flex-start;
  padding-left: 4px;
}

.message.user-message .message-actions {
  justify-content: flex-end;
  padding-right: 4px;
}

.message-action-btn {
  background-color: var(--ds-bg-secondary);
  color: var(--ds-primary);
  border: none;
  border-radius: var(--ds-radius-sm);
  padding: 6px 12px;
  font-size: var(--ds-font-size-xs);
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--ds-transition-fast);
  box-shadow: var(--ds-shadow-xs);
}

.message-action-btn:hover {
  background-color: var(--ds-primary);
  color: var(--ds-text-light);
}

.message-action-btn i {
  font-size: var(--ds-font-size-sm);
}

/* أزرار إجراءات رسالة المستخدم */
.message.user-message .message-action-btn {
  background-color: var(--ds-primary-light);
  color: var(--ds-primary-hover);
}

.message.user-message .message-action-btn:hover {
  background-color: var(--ds-primary-hover);
  color: var(--ds-text-light);
}

/* زر النسخ */
.message-action-btn.copy-btn {
  background-color: var(--ds-primary-light);
}

/* زر إعادة التوليد */
.message-action-btn.regenerate-btn {
  background-color: rgba(var(--ds-primary-rgb), 0.1);
}

/* طابع زمني للرسالة - مرئي دائمًا */
.message-timestamp {
  font-size: var(--ds-font-size-xs);
  color: var(--ds-text-tertiary);
  padding: 2px 8px;
  border-radius: 4px;
  background-color: var(--ds-bg-secondary);
  display: inline-block;
  margin-top: 2px;
  opacity: 1;
}

.message.ai-message .message-timestamp {
  float: left;
}

.message.user-message .message-timestamp {
  float: right;
  color: var(--ds-primary);
  background-color: var(--ds-primary-light);
}

/* مسح العوم بعد العناصر العائمة */
.message-wrapper {
  clear: both;
  overflow: hidden;
}

/* تصميم مناسب للجوال */
@media (max-width: 768px) {
  .message.user-message,
  .message.ai-message {
    max-width: 95%;
  }
  
  .message .avatar {
    width: 36px;
    height: 36px;
    margin: 0 var(--ds-space-1) 0 var(--ds-space-1);
  }
  
  .message .content {
    padding: var(--ds-space-2) var(--ds-space-4);
  }
  
  .message-action-btn {
    padding: 4px 10px;
    font-size: calc(var(--ds-font-size-xs) - 1px);
  }
  
  .message-timestamp {
    font-size: calc(var(--ds-font-size-xs) - 1px);
  }
}

/* تأثير الكتابة */
.message.ai-message.typing::after {
  content: '';
  position: absolute;
  bottom: 15px;
  left: 20px;
  width: 40px;
  height: 15px;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 120 30"><circle cx="15" cy="15" r="5" fill="%234f46e5"><animate attributeName="opacity" dur="1s" values="0;1;0" repeatCount="indefinite" begin="0.1"/></circle><circle cx="40" cy="15" r="5" fill="%234f46e5"><animate attributeName="opacity" dur="1s" values="0;1;0" repeatCount="indefinite" begin="0.2"/></circle><circle cx="65" cy="15" r="5" fill="%234f46e5"><animate attributeName="opacity" dur="1s" values="0;1;0" repeatCount="indefinite" begin="0.3"/></circle></svg>');
  background-size: contain;
  background-repeat: no-repeat;
}

/* طباعة محتوى الرسالة */
.message .content h1, 
.message .content h2, 
.message .content h3, 
.message .content h4, 
.message .content h5, 
.message .content h6 {
  margin-top: 1.3em;
  margin-bottom: 0.7em;
  font-weight: 600;
  line-height: 1.3;
}

.message .content h1 { font-size: 1.8em; }
.message .content h2 { font-size: 1.5em; }
.message .content h3 { font-size: 1.3em; }
.message .content h4 { font-size: 1.2em; }
.message .content h5 { font-size: 1.1em; }
.message .content h6 { font-size: 1.05em; }

/* قوائم المحتوى */
.message .content ul, 
.message .content ol {
  margin: 0.5em 0 1em 0;
  padding-left: 2em;
}

.message .content li {
  margin-bottom: 0.5em;
  line-height: 1.6;
}

.message .content li:last-child {
  margin-bottom: 0;
}

/* اقتباسات المحتوى */
.message .content blockquote {
  border-left: 4px solid var(--ds-primary);
  padding: 0.5em 0 0.5em 1em;
  margin: 1em 0;
  background-color: rgba(var(--ds-primary-rgb), 0.05);
  border-radius: 0 6px 6px 0;
}

.message.user-message .content blockquote {
  border-left-color: rgba(255, 255, 255, 0.5);
  background-color: rgba(255, 255, 255, 0.1);
}

/* كود داخلي */
.message .content code:not(.deepseek-code-block code) {
  background-color: rgba(0, 0, 0, 0.05);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-family: var(--ds-font-mono);
  font-size: 0.9em;
  color: var(--ds-primary);
}

.message.user-message .content code:not(.deepseek-code-block code) {
  background-color: rgba(255, 255, 255, 0.15);
  color: white;
}

/* صور المحتوى */
.message .content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1em 0;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

/* جداول المحتوى */
.message .content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
  font-size: 0.95em;
}

.message .content table th,
.message .content table td {
  padding: 8px 12px;
  border: 1px solid var(--ds-border-color);
  text-align: left;
}

.message .content table th {
  background-color: rgba(var(--ds-primary-rgb), 0.05);
  font-weight: 600;
}

.message .content table tr:nth-child(even) {
  background-color: rgba(0, 0, 0, 0.02);
}

.message.user-message .content table {
  color: white;
}

.message.user-message .content table th,
.message.user-message .content table td {
  border-color: rgba(255, 255, 255, 0.2);
}

.message.user-message .content table th {
  background-color: rgba(255, 255, 255, 0.1);
}

.message.user-message .content table tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.05);
}

/* ==========================================================================
   7. مؤشر الكتابة
   ========================================================================== */

.typing-indicator-container {
  display: flex;
  align-items: flex-start;
  margin-bottom: 24px;
  animation: fadeIn var(--ds-transition) ease;
  position: relative;
}

.typing-indicator {
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--ds-bg-message-ai) 0%, var(--ds-bg-secondary) 100%);
  border-radius: 18px;
  border-bottom-left-radius: 4px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  margin-left: 15px;
  position: relative;
  min-width: 180px;
}

/* حاوية نص الكتابة */
.typing-text {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ds-text-secondary);
}

/* أيقونة في مؤشر الكتابة */
.typing-icon {
  color: var(--ds-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.9;
  animation: pulseLight 2s infinite;
}

/* نص رسالة الكتابة */
.typing-message {
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* حاوية للنقاط */
.typing-dots {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-left: 3px;
}

/* نقطة فردية */
.typing-dot {
  width: 5px;
  height: 5px;
  background: var(--ds-primary);
  opacity: 0.7;
  border-radius: 50%;
  display: inline-block;
}

.typing-dot:nth-child(1) { animation: typingBounce 1.4s infinite; }
.typing-dot:nth-child(2) { animation: typingBounce 1.4s infinite 0.2s; }
.typing-dot:nth-child(3) { animation: typingBounce 1.4s infinite 0.4s; }

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-4px); }
}

@keyframes pulseLight {
  0% { opacity: 0.7; }
  50% { opacity: 1; transform: scale(1.05); }
  100% { opacity: 0.7; }
}

/* مؤشر كتابة للاستجابات المتدفقة */
.typing-cursor {
  display: inline-block;
  width: 10px;
  height: 20px;
  background-color: var(--ds-primary);
  margin-left: 3px;
  vertical-align: middle;
  animation: typingCursor 0.8s infinite;
}

@keyframes typingCursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ==========================================================================
   8. تنسيق كتل الكود
   ========================================================================== */

.deepseek-code-block, 
.code-block {
  margin: 15px 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--ds-border-color);
  transition: var(--ds-transition);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  direction: ltr !important;
  text-align: left !important;
}

.deepseek-code-block:hover, 
.code-block:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  border-color: var(--ds-primary-light);
}

.deepseek-code-header, 
.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 15px;
  background: rgba(0, 0, 0, 0.03);
  border-bottom: 1px solid var(--ds-border-color);
}

.theme-dark .deepseek-code-header, 
.theme-dark .code-header {
  background: rgba(255, 255, 255, 0.05);
}

.deepseek-code-language, 
.code-language {
  font-size: var(--ds-font-size-xs);
  color: var(--ds-text-secondary);
  font-family: monospace;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.deepseek-copy-code, 
.copy-code {
  padding: 5px 10px;
  background: var(--ds-bg-primary);
  border: 1px solid var(--ds-border-color);
  border-radius: 4px;
  transition: var(--ds-transition-fast);
  cursor: pointer;
  color: var(--ds-text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--ds-font-size-xs);
}

.deepseek-copy-code:hover, 
.copy-code:hover {
  background: var(--ds-primary-light);
  color: var(--ds-primary);
  border-color: var(--ds-primary);
}

.deepseek-code-block pre, 
.code-block pre {
  padding: 15px;
  margin: 0;
  background: var(--ds-bg-secondary);
  max-height: 400px;
  overflow-y: auto;
}

.deepseek-code-block code, 
.code-block code {
  font-family: var(--ds-font-mono);
  font-size: var(--ds-font-size-sm);
  line-height: 1.6;
  color: var(--ds-text-primary);
}

/* ==========================================================================
   9. منطقة الإدخال والتحكم
   ========================================================================== */

#chat-input-container {
  padding: 15px 20px 20px;
  background-color: var(--ds-bg-primary);
  border-top: 1px solid var(--ds-border-color);
}

.input-wrapper {
  border-radius: 24px;
  transition: var(--ds-transition);
  background: #f2f2f2;
  border: 1px solid transparent;
  display: flex;
  align-items: flex-end;
  padding: 1px 12px 1px 5px;
  position: relative;
  box-shadow: var(--ds-shadow-xs);
}

.input-wrapper.focused {
  border-color: var(--ds-primary);
  box-shadow: 0 0 0 3px rgba(var(--ds-primary-rgb), 0.2);
  background: var(--ds-bg-primary);
}

#chat-input {
  padding: 14px;
  font-size: 16px;
  line-height: 1.5;
  color: var(--ds-text-primary);
  flex-grow: 1;
  border: none;
  background: transparent;
  max-height: 120px;
  resize: none;
  outline: none;
}

#chat-input::placeholder {
  color: var(--ds-text-tertiary);
  opacity: 0.7;
}

.input-action-btn {
  color: var(--ds-text-secondary);
  transition: var(--ds-transition-fast);
  background: transparent;
  border: none;
  font-size: var(--ds-font-size-lg);
  cursor: pointer;
  padding: var(--ds-space-1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.input-action-btn:hover {
  color: var(--ds-primary);
  transform: scale(1.1);
}

.input-actions {
  display: flex;
  align-items: center;
  gap: var(--ds-space-1);
}

/* زر الإرسال */
#send-btn {
  background: var(--ds-gradient-blue);
  width: 46px;
  height: 46px;
  transition: var(--ds-transition);
  border-radius: 50%;
  border: none;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(var(--ds-primary-rgb), 0.3);
}

#send-btn:hover {
  transform: scale(1.05) rotate(5deg);
  box-shadow: 0 4px 12px rgba(var(--ds-primary-rgb), 0.3);
}

#send-btn:active {
  transform: scale(0.95);
}

#send-btn i {
  font-size: 18px;
}

/* زر الإيقاف */
#stop-btn {
  background-color: rgba(239, 68, 68, 0.2);
  color: var(--ds-error-color);
  margin-right: 8px;
  transition: all 0.3s ease;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 14px;
  position: relative;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  border: none;
  cursor: pointer;
}

#stop-btn.active {
  display: flex;
}

#stop-btn:hover {
  background-color: rgba(239, 68, 68, 0.3);
  transform: scale(1.05);
}

#stop-btn:active {
  transform: scale(0.95);
}

/* معاينة المرفقات */
.attachments-preview {
  display: none;
  padding: var(--ds-space-2) 0;
}

.attachments-preview.active {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.file-preview {
  position: relative;
  display: flex;
  align-items: center;
  padding: 8px 12px;
  background: var(--ds-bg-secondary);
  border-radius: 8px;
  max-width: 100%;
  animation: fadeIn var(--ds-transition) ease;
}

.file-preview i {
  margin-right: 8px;
  color: var(--ds-primary);
}

/* منتقي الرموز التعبيرية */
.emoji-picker {
  position: absolute;
  bottom: 60px;
  right: 10px;
  background: var(--ds-bg-primary);
  border: 1px solid var(--ds-border-color);
  border-radius: 12px;
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  z-index: var(--ds-z-dropdown);
  animation: fadeIn var(--ds-transition) ease;
}

.emoji-picker span {
  cursor: pointer;
  font-size: 24px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: var(--ds-transition-fast);
}

.emoji-picker span:hover {
  background: var(--ds-bg-secondary);
  transform: scale(1.1);
}

/* ==========================================================================
   10. نظام التقييم
   ========================================================================== */

.deepseek-chat-footer-rating {
  padding: 15px 0;
  margin-top: 10px;
  border-top: 1px solid var(--ds-border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.deepseek-chat-footer-rating .rating-label {
  font-weight: 500;
  color: var(--ds-text-secondary);
  margin-right: 15px;
  font-size: 15px;
}

.deepseek-chat-footer-rating .rating-stars {
  display: flex;
  gap: 8px;
}

.deepseek-chat-footer-rating .rating-star {
  font-size: 24px;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--ds-border-color);
}

.deepseek-chat-footer-rating .rating-star:hover,
.deepseek-chat-footer-rating .rating-star.hover,
.deepseek-chat-footer-rating .rating-star.selected,
.deepseek-chat-footer-rating .rating-star.active {
  color: #ffcc00;
  transform: scale(1.2) rotate(5deg);
  text-shadow: 0 0 10px rgba(255, 204, 0, 0.5);
}

.deepseek-chat-footer-rating .rating-message {
  margin-top: 12px;
  font-size: 13px;
  color: var(--ds-text-tertiary);
  height: 20px;
  width: 100%;
  text-align: center;
}


/* ==========================================================================
   11. سجل الدردشة والتنقل
   ========================================================================== */

/* شريط التنقل */
.deepseek-agent-navigation {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin: 30px 0 40px;
  padding: 15px 0;
  position: relative;
  z-index: 10;
  transition: all 0.3s ease;
}

/* زر العودة إلى الوكلاء */
.deepseek-back-to-agents {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 28px;
  min-width: 210px;
  height: 50px;
  border-radius: 50px;
  background: linear-gradient(
    120deg, 
    rgba(var(--ds-primary-rgb), 0.04) 0%, 
    rgba(var(--ds-primary-rgb), 0.12) 50%,
    rgba(var(--ds-primary-rgb), 0.05) 100%
  );
  border: 1px solid rgba(var(--ds-primary-rgb), 0.15);
  box-shadow: 
    0 4px 15px -3px rgba(var(--ds-primary-rgb), 0.15),
    0 2px 5px rgba(0, 0, 0, 0.03),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset;
  color: var(--ds-primary);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.deepseek-back-to-agents i {
  font-size: 15px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  opacity: 0.9;
  position: relative;
  text-shadow: 0 1px 2px rgba(var(--ds-primary-rgb), 0.15);
}

.deepseek-back-to-agents span {
  position: relative;
  z-index: 2;
  background-image: linear-gradient(transparent 90%, rgba(var(--ds-primary-rgb), 0.2) 10%);
  background-repeat: no-repeat;
  background-size: 0% 100%;
  background-position: 0 bottom;
  transition: background-size 0.4s ease;
}

.deepseek-back-to-agents:hover {
  background: linear-gradient(
    120deg, 
    rgba(var(--ds-primary-rgb), 0.08) 0%, 
    rgba(var(--ds-primary-rgb), 0.18) 50%,
    rgba(var(--ds-primary-rgb), 0.08) 100%
  );
  border-color: rgba(var(--ds-primary-rgb), 0.25);
  transform: translateY(-3px);
  box-shadow: 
    0 8px 25px -5px rgba(var(--ds-primary-rgb), 0.25),
    0 5px 10px rgba(0, 0, 0, 0.05),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
  color: var(--ds-primary-hover);
}

.deepseek-back-to-agents:hover span {
  background-size: 100% 100%;
}

.deepseek-back-to-agents:hover i {
  transform: translateX(-6px);
  opacity: 1;
}

.deepseek-back-to-agents:active {
  transform: translateY(-1px) scale(0.98);
  box-shadow: 
    0 3px 10px -3px rgba(var(--ds-primary-rgb), 0.2),
    0 1px 3px rgba(0, 0, 0, 0.03),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset;
  background: linear-gradient(
    120deg, 
    rgba(var(--ds-primary-rgb), 0.1) 0%, 
    rgba(var(--ds-primary-rgb), 0.2) 50%,
    rgba(var(--ds-primary-rgb), 0.1) 100%
  );
  border-color: rgba(var(--ds-primary-rgb), 0.35);
  transition: all 0.1s ease;
}

.deepseek-back-to-agents::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, rgba(var(--ds-primary-rgb), 0.15) 0%, transparent 70%);
  transform: scale(0);
  opacity: 0;
  transition: transform 0.6s ease-out, opacity 0.6s ease-out;
  pointer-events: none;
  border-radius: inherit;
}

.deepseek-back-to-agents:active::before {
  transform: scale(3);
  opacity: 1;
  transition: transform 0.3s ease-out, opacity 0.3s ease-out;
}

.deepseek-back-to-agents::after {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  border-radius: inherit;
  background: linear-gradient(120deg, rgba(var(--ds-primary-rgb), 0.2), transparent, rgba(var(--ds-primary-rgb), 0.1));
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: -1;
}

.deepseek-back-to-agents:hover::after {
  opacity: 0.7;
}

.deepseek-back-to-agents:focus {
  outline: none;
  box-shadow: 
    0 5px 20px -5px rgba(var(--ds-primary-rgb), 0.3),
    0 3px 8px rgba(0, 0, 0, 0.04),
    0 0 0 2px rgba(var(--ds-primary-rgb), 0.15);
}

/* مكونات سجل الدردشة - تصميم متجاوب */
.chat-history-dropdown {
  position: relative;
  width: 100%;
}

.chat-history-toggle {
  position: relative;
  z-index: 1;
}

.history-menu {
  position: fixed;
  width: 280px;
  max-width: 85vw;
  background: var(--ds-bg-primary);
  border: 1px solid var(--ds-border-color);
  border-radius: var(--ds-radius-md);
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.2);
  z-index: 99999;
  transition: all 0.3s ease;
  opacity: 1;
  top: 60px;
  right: 10px;
  left: auto;
  transform: none;
}

.history-menu::before {
  content: "";
  position: absolute;
  top: -6px;
  left: auto;
  right: 15px;
  width: 12px;
  height: 12px;
  background: var(--ds-bg-primary);
  border-left: 1px solid var(--ds-border-color);
  border-top: 1px solid var(--ds-border-color);
  transform: rotate(45deg);
}

.history-menu.hidden {
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  visibility: hidden;
}

.history-title {
  padding: 12px 15px;
  font-weight: 600;
  border-bottom: 1px solid var(--ds-border-color);
  font-size: var(--ds-font-size-sm);
  background-color: var(--ds-bg-secondary);
  border-top-left-radius: calc(var(--ds-radius-md) - 1px);
  border-top-right-radius: calc(var(--ds-radius-md) - 1px);
}

.history-list {
  max-height: 320px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--ds-border-hover) transparent;
}

.history-list::-webkit-scrollbar {
  width: 6px;
}

.history-list::-webkit-scrollbar-track {
  background: transparent;
}

.history-list::-webkit-scrollbar-thumb {
  background-color: var(--ds-border-hover);
  border-radius: 10px;
}

.history-item {
  padding: 12px 15px;
  border-bottom: 1px solid var(--ds-border-color);
  cursor: pointer;
  transition: all 0.2s ease;
}

.history-item:hover {
  background: var(--ds-bg-secondary);
  transform: translateX(3px);
}

.history-item.current {
  background: var(--ds-primary-light);
  border-left: 3px solid var(--ds-primary);
  padding-left: 12px;
}

.history-item-title {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  color: var(--ds-text-primary);
}

.history-item-date {
  font-size: 11px;
  color: var(--ds-text-tertiary);
  display: flex;
  align-items: center;
}

.history-item-date::before {
  content: "•";
  margin-right: 4px;
  color: var(--ds-primary);
  font-size: 14px;
}

.history-item.new-chat-item {
  background: var(--ds-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  transition: all 0.2s ease;
  border-bottom-left-radius: calc(var(--ds-radius-md) - 1px);
  border-bottom-right-radius: calc(var(--ds-radius-md) - 1px);
}

.history-item.new-chat-item:hover {
  background: rgba(var(--ds-primary-rgb), 0.2);
  transform: none;
}

.history-item.new-chat-item .history-item-title {
  margin-bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--ds-primary);
  font-weight: 600;
}

.history-item.new-chat-item .history-item-title i {
  font-size: 12px;
}

/* تحسينات للجوال */
@media screen and (max-width: 768px) {
  .history-menu {
    position: fixed;
    width: auto;
    max-width: 280px;
    min-width: 250px;
    top: 60px;
    right: 10px;
    left: auto;
    transform: none;
  }
  
  .history-menu::before {
    right: 20px;
  }
  
  .history-list {
    max-height: 250px;
  }
  
  .chat-history-dropdown {
    position: static;
  }
}

/* طبقة خلفية للجوال */
.menu-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 99990;
}

@media screen and (max-width: 768px) {
  .menu-backdrop.active {
    display: block;
  }
}

/* زر الدردشة الجديدة - محسّن */
.new-chat-button {
  margin-left: 8px;
  position: relative;
}

.new-chat-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--ds-gradient-blue);
  color: white;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2px;
  box-shadow: 0 4px 10px rgba(var(--ds-primary-rgb), 0.25);
  position: relative;
  overflow: hidden;
  height: 38px;
  min-width: 110px;
}

.new-chat-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.new-chat-btn:hover::before {
  opacity: 1;
}

.new-chat-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(var(--ds-primary-rgb), 0.3);
}

.new-chat-btn:active {
  transform: translateY(0) scale(0.95);
  box-shadow: 0 2px 5px rgba(var(--ds-primary-rgb), 0.2);
}

.new-chat-btn i {
  font-size: 14px;
  transition: transform 0.3s ease;
}

.new-chat-btn:hover i {
  transform: scale(1.15);
}

/* تصميم متجاوب */
@media (max-width: 768px) {
  .new-chat-btn {
    padding: 7px 12px;
    min-width: auto;
    height: 34px;
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .new-chat-button {
    margin-left: 4px;
  }
  
  .new-chat-btn {
    padding: 6px 10px;
    height: 32px;
    border-radius: 10px;
  }
  
  /* إظهار الأيقونة فقط على الشاشات الصغيرة جدًا */
  .new-chat-btn span {
    display: none;
  }
  
  .new-chat-btn i {
    margin: 0;
  }
}

/* تأثير نبض جاذب للانتباه عند تحميل الصفحة */
@keyframes pulse-attention {
  0% { box-shadow: 0 0 0 0 rgba(var(--ds-primary-rgb), 0.5); }
  70% { box-shadow: 0 0 0 10px rgba(var(--ds-primary-rgb), 0); }
  100% { box-shadow: 0 0 0 0 rgba(var(--ds-primary-rgb), 0); }
}

.new-chat-button.highlight .new-chat-btn {
  animation: pulse-attention 2s infinite;
}

/* حالات فارغة، تحميل، خطأ */
.empty-history, .loading-history, .error-message {
  padding: 20px;
  text-align: center;
  color: var(--ds-text-tertiary);
  font-style: italic;
  font-size: var(--ds-font-size-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.loading-history::before {
  content: "";
  display: block;
  width: 24px;
  height: 24px;
  border: 2px solid rgba(var(--ds-primary-rgb), 0.2);
  border-radius: 50%;
  border-top-color: var(--ds-primary);
  animation: spin 1s infinite linear;
}

.error-message {
  color: var(--ds-error-color);
}

.error-message::before {
  content: "!";
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background-color: #ffebee;
  color: var(--ds-error-color);
  border-radius: 50%;
  font-weight: bold;
  margin-bottom: 5px;
}

/* ==========================================================================
   12. الإشعارات وردود الفعل
   ========================================================================== */

/* الإشعارات */
.chat-notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  background: var(--ds-bg-primary);
  color: var(--ds-text-primary);
  border-radius: var(--ds-radius-md);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  z-index: 10002;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.3s ease;
  border-left: 4px solid var(--ds-primary);
  font-size: 14px;
  max-width: 300px;
}

.chat-notification.visible {
  transform: translateY(0);
  opacity: 1;
}

.chat-notification.error {
  background: #fff8f8;
  color: #d32f2f;
  border-left-color: var(--ds-error-color);
}

/* إشعار النسخ */
.copy-notification {
  position: fixed;
  bottom: 30px;
  right: 30px;
  padding: 12px 25px;
  background-color: var(--ds-success-color);
  color: white;
  border-radius: 50px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  z-index: var(--ds-z-tooltip);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  max-width: 300px;
  width: max-content;
}

.copy-notification.visible {
  opacity: 1;
  transform: translateY(0);
}

.copy-notification.error {
  background-color: var(--ds-error-color);
}

.copy-notification i {
  font-size: var(--ds-font-size-md);
}

.dark-theme .copy-notification {
  background-color: var(--ds-bg-tertiary);
}

.dark-theme .copy-notification.error {
  background-color: rgba(231, 76, 60, 0.2);
  color: #e74c3c;
}

/* طبقة التحميل */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(2px);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(var(--ds-primary-rgb), 0.1);
  border-radius: 50%;
  border-top-color: var(--ds-primary);
  animation: spin 0.8s infinite linear;
}

.loading-overlay::after {
  content: "جارٍ تحميل المحادثة...";
  margin-top: 12px;
  font-size: 14px;
  color: var(--ds-text-secondary);
}

.dark-theme .loading-overlay {
  background: rgba(30, 30, 46, 0.8);
}

/* ===== تصميم نظام عرض معلومات التوكنز - محسّن للجوال ===== */
.token-usage-info {
    display: flex;
    flex-direction: column;
    padding: 5px 12px 5px 12px;
    margin: 5px 0;
    border-radius: 12px;
    border: 1px solid var(--ds-border-color);
    background: linear-gradient(145deg, var(--ds-bg-secondary) 0%, var(--ds-bg-primary) 100%);
    box-shadow: var(--ds-shadow-sm);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

/* منطقة العنوان والإحصائيات */
.token-usage-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 5px;
}

.token-usage-title {
    font-weight: 600;
    font-size: 14px;
    color: var(--ds-text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.token-usage-title::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--ds-primary);
    animation: pulse-token 2s infinite;
}

.token-usage-percent {
    padding: 4px 10px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 13px;
    background-color: var(--ds-primary-light);
    color: var(--ds-primary);
    box-shadow: 0 2px 4px rgba(var(--ds-primary-rgb), 0.15);
}

/* تنسيق شريط التقدم */
.token-usage-progress {
    height: 7px;
    border-radius: 100px;
    background-color: var(--ds-bg-tertiary);
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.token-usage-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--ds-primary) 0%, var(--ds-secondary) 100%);
    border-radius: 100px;
    width: 0;
    transition: width 1s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    overflow: hidden;
}

.token-usage-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
                rgba(255, 255, 255, 0.1) 0%, 
                rgba(255, 255, 255, 0.2) 50%, 
                rgba(255, 255, 255, 0.1) 100%);
    opacity: 0;
    animation: shimmer 2s infinite;
}

.token-usage-bar.warning {
    background: linear-gradient(90deg, #f59e0b 0%, #f97316 100%);
}

.token-usage-bar.critical {
    background: linear-gradient(90deg, #f97316 0%, #ef4444 100%);
}

/* حاوية الإحصائيات الثلاثة */
.token-usage-details {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    padding: 1px 5px 5px 5px;
}

.token-usage-used, 
.token-usage-remaining, 
.token-usage-limit {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 6px 4px;
    transition: all 0.2s ease;
}

.token-usage-label {
    font-size: 11px;
    color: var(--ds-text-tertiary);
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.token-usage-value {
    font-weight: 600;
    font-family: var(--ds-font-mono);
    font-size: 13px;
}

.token-usage-used .token-usage-value {
    color: var(--ds-text-primary);
}

.token-usage-remaining .token-usage-value {
    color: var(--ds-success-color);
}

.token-usage-limit .token-usage-value {
    color: var(--ds-text-secondary);
}

/* مؤشر التحميل عند تحديث معلومات التوكنز */
.token-usage-info.token-info-loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, 
                var(--ds-primary) 0%, 
                var(--ds-secondary) 50%, 
                var(--ds-primary) 100%);
    background-size: 200% 100%;
    animation: loading-shimmer 1.5s infinite;
    z-index: 1;
}

/* زر طي العرض المفصل على الهواتف */
.token-usage-toggle {
    position: absolute;
    right: 10px;
    top: 10px;
    width: 24px;
    height: 24px;
    background: var(--ds-bg-tertiary);
    border-radius: 50%;
    border: none;
    color: var(--ds-text-secondary);
    font-size: 12px;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 5;
    transition: all 0.2s ease;
}

.token-usage-toggle:hover {
    background: var(--ds-primary-light);
    color: var(--ds-primary);
}

/* وضع مطوي للهواتف */
.token-usage-info.collapsed .token-usage-details {
    display: none;
}

.token-usage-info.collapsed {
    padding: 8px 12px;
}

.token-usage-info.collapsed .token-usage-header {
    margin-bottom: 6px;
}

.token-usage-mini {
    display: none;
    align-items: center;
    gap: 10px;
    margin-top: 6px;
}

.token-usage-info.collapsed .token-usage-mini {
    display: flex;
}

.token-usage-mini-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: var(--ds-text-secondary);
}

.token-usage-mini-item span {
    font-weight: 600;
}

.token-usage-mini-used span {
    color: var(--ds-text-primary);
}

.token-usage-mini-remaining span {
    color: var(--ds-success-color);
}

/* تحريكات */
@keyframes pulse-token {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

@keyframes shimmer {
    0% { opacity: 0; transform: translateX(-100%); }
    50% { opacity: 0.7; }
    100% { opacity: 0; transform: translateX(100%); }
}

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

/* تصميم متجاوب للهواتف */
@media (max-width: 640px) {
    .token-usage-info {
        padding: 10px 12px;
    }
    
    .token-usage-title {
        font-size: 13px;
    }
    
    .token-usage-toggle {
        display: flex;
    }
    
    /* تبديل تلقائي للوضع المطوي في الشاشات الصغيرة جدًا */
    @media (max-width: 480px) {
        .token-usage-info {
            padding: 8px 10px;
        }
        
        .token-usage-info:not(.expanded) {
            padding: 8px 10px;
        }
        
        .token-usage-info:not(.expanded) .token-usage-details {
            display: none;
        }
        
        .token-usage-info:not(.expanded) .token-usage-mini {
            display: flex;
        }
        
        .token-usage-toggle i::before {
            content: "\f107"; /* رمز السهم لأسفل */
        }
        
        .token-usage-info.expanded .token-usage-toggle i::before {
            content: "\f106"; /* رمز السهم لأعلى */
        }
    }
}

/* تصميم الوضع الداكن */
body.dark-theme .token-usage-info,
#chat-container.theme-dark .token-usage-info {
    background: linear-gradient(145deg, var(--ds-bg-tertiary) 0%, var(--ds-bg-secondary) 100%);
}

/* ===== تصميم رسالة حد التوكنز - محسن ===== */
.token-limit-message {
    background: linear-gradient(150deg, #fff7ed 0%, #fff8e8 100%);
    border-left: 4px solid #f97316;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(234, 88, 12, 0.08), 0 1px 3px rgba(234, 88, 12, 0.12);
    margin: 15px 0;
    overflow: hidden;
    position: relative;
    animation: slide-in-up 0.4s ease-out forwards;
}

.token-limit-message .content {
    padding: 0 !important;
    position: relative;
}

.token-limit-message::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle at center, rgba(249, 115, 22, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.token-limit-header {
    background-color: rgba(249, 115, 22, 0.1);
    padding: 14px 18px;
    border-bottom: 1px solid rgba(249, 115, 22, 0.15);
    display: flex;
    align-items: center;
    gap: 12px;
}

.token-limit-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    background-color: #ea580c;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 2px 6px rgba(234, 88, 12, 0.25);
}

.token-limit-title {
    font-weight: 700;
    font-size: 16px;
    color: #c2410c;
    margin: 0;
    line-height: 1.3;
}

.token-limit-body {
    padding: 16px 18px;
}

.token-limit-message p {
    margin: 12px 0;
    line-height: 1.5;
    color: #78350f;
    font-size: 14px;
}

.token-limit-usage {
    background-color: rgba(249, 115, 22, 0.07);
    border: 1px solid rgba(249, 115, 22, 0.15);
    border-radius: 8px;
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 15px 0;
}

.token-limit-usage-icon {
    color: #ea580c;
    font-size: 16px;
}

.token-limit-usage-text {
    font-family: var(--ds-font-mono);
    font-size: 13px;
    color: #9a3412;
}

.token-limit-reset {
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #0284c7;
}

.token-limit-reset i {
    font-size: 14px;
    color: #0ea5e9;
}

.token-limit-membership {
    font-style: italic;
    color: #64748b;
    border-top: 1px solid rgba(226, 232, 240, 0.8);
    padding-top: 12px;
    margin-top: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.token-limit-membership i {
    color: #64748b;
    font-size: 14px;
}

.token-limit-upgrade {
    margin-top: 20px;
    text-align: center;
}

.token-limit-upgrade-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    padding: 10px 20px;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.2), 0 2px 3px rgba(59, 130, 246, 0.3);
    border: none;
    position: relative;
    overflow: hidden;
}

.token-limit-upgrade-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
                rgba(255, 255, 255, 0) 0%, 
                rgba(255, 255, 255, 0.2) 50%, 
                rgba(255, 255, 255, 0) 100%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.token-limit-upgrade-btn:hover::before {
    transform: translateX(100%);
}

.token-limit-upgrade-btn:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(59, 130, 246, 0.25), 0 2px 5px rgba(59, 130, 246, 0.35);
}

.token-limit-upgrade-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 5px rgba(59, 130, 246, 0.2);
}

.token-limit-upgrade-btn i {
    font-size: 16px;
}

/* تحريكات */
@keyframes slide-in-up {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* تصميم متجاوب للموبايل */
@media (max-width: 640px) {
    .token-limit-header {
        padding: 12px 14px;
    }
    
    .token-limit-body {
        padding: 14px 16px;
    }
    
    .token-limit-icon {
        width: 28px;
        height: 28px;
        min-width: 28px;
    }
    
    .token-limit-title {
        font-size: 15px;
    }
    
    .token-limit-usage {
        padding: 8px 12px;
    }
}

/* تصميم الوضع الداكن */
body.dark-theme .token-limit-message,
#chat-container.theme-dark .token-limit-message {
    background: linear-gradient(150deg, rgba(249, 115, 22, 0.1) 0%, rgba(249, 115, 22, 0.05) 100%);
    border-color: #f97316;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2), 0 1px 3px rgba(0, 0, 0, 0.1);
}

body.dark-theme .token-limit-header,
#chat-container.theme-dark .token-limit-header {
    background-color: rgba(249, 115, 22, 0.15);
    border-bottom-color: rgba(249, 115, 22, 0.25);
}

body.dark-theme .token-limit-title,
#chat-container.theme-dark .token-limit-title {
    color: #fb923c;
}

body.dark-theme .token-limit-message p,
#chat-container.theme-dark .token-limit-message p {
    color: #fdba74;
}

body.dark-theme .token-limit-usage,
#chat-container.theme-dark .token-limit-usage {
    background-color: rgba(249, 115, 22, 0.15);
    border-color: rgba(249, 115, 22, 0.25);
}

body.dark-theme .token-limit-usage-text,
#chat-container.theme-dark .token-limit-usage-text {
    color: #fdba74;
}

body.dark-theme .token-limit-reset,
#chat-container.theme-dark .token-limit-reset {
    color: #38bdf8;
}

body.dark-theme .token-limit-membership,
#chat-container.theme-dark .token-limit-membership {
    color: #94a3b8;
    border-top-color: rgba(51, 65, 85, 0.5);
}


/* تعديل تنسيق رسالة حد التوكنز وأزرار الترقية والتسجيل */
.token-limit-upgrade {
    margin-top: 15px;
    text-align: center;
}

.token-limit-upgrade-btn {
    display: inline-block;
    background-color: #3b82f6;
    color: white !important;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none !important;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(59, 130, 246, 0.3);
}

.token-limit-upgrade-btn:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.4);
    text-decoration: none !important;
}

.token-limit-login {
    margin-top: 12px;
    text-align: center;
}

.token-limit-login-btn, .token-limit-register-btn {
    display: inline-block;
    background-color: #f8fafc;
    color: #3b82f6 !important;
    padding: 6px 12px;
    border-radius: 6px;
    text-decoration: none !important;
    font-weight: 500;
    border: 1px solid #3b82f6;
    transition: all 0.3s ease;
}

.token-limit-login-btn:hover, .token-limit-register-btn:hover {
    background-color: #eff6ff;
    transform: translateY(-2px);
    text-decoration: none !important;
}

/* تعديلات الوضع الداكن */
.theme-dark .token-limit-login-btn, 
.theme-dark .token-limit-register-btn {
    background-color: #1e293b;
    color: #38bdf8 !important;
    border-color: #38bdf8;
}

.theme-dark .token-limit-login-btn:hover, 
.theme-dark .token-limit-register-btn:hover {
    background-color: #0f172a;
}











/* العلامة التجارية */
.deepseek-branding {
  text-align: center;
  font-size: var(--ds-font-size-xs);
  color: var(--ds-text-tertiary);
  padding: var(--ds-space-2) 0 0;
  margin-top: var(--ds-space-2);
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.deepseek-branding:hover {
  opacity: 1;
}

.deepseek-branding a {
  color: var(--ds-primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--ds-transition-fast);
}

.deepseek-branding a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   13. تنسيق الاستجابة المتدفقة
   ========================================================================== */

/* تلاشي دخول الاستجابة المتدفقة */
.stream-fade-in {
  animation: streamFadeIn 0.3s ease;
}

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

/* محتوى متدفق */
#streaming-content {
  position: relative;
  padding-right: 35px;
}

/* خطأ في التدفق */
.error-text {
  color: var(--ds-error-color);
  font-style: italic;
  margin-top: 10px;
  padding: 5px 10px;
  background-color: rgba(239, 68, 68, 0.1);
  border-radius: var(--ds-radius-sm);
}

/* تحريك لمحتوى متدفق */
#streaming-content p, 
#streaming-content ul, 
#streaming-content ol,
#streaming-content blockquote {
  transition: opacity 0.2s ease;
}

/* ==========================================================================
   14. الشريط الجانبي ووضع الشاشة الكاملة
   ========================================================================== */

/* قائمة الوكلاء */
.agents-list {
  max-height: 220px;
  margin-bottom: 15px;
}

.agent-item {
  background-color: rgba(var(--ds-primary-rgb), 0.05);
  border-right: 2px solid transparent;
  transition: all 0.2s ease-in-out;
  padding: 8px;
  margin-bottom: 4px;
}

.agent-item:hover {
  border-right-color: var(--ds-primary);
  background-color: rgba(var(--ds-primary-rgb), 0.1);
}

.agent-item.active {
  background-color: rgba(var(--ds-primary-rgb), 0.15);
  border-right-color: var(--ds-primary);
}

.agent-item.processing {
  pointer-events: none;
  opacity: 0.7;
  animation: processing-animation 1.5s infinite;
}

.agent-icon {
  width: 34px;
  height: 34px;
  margin-right: 8px;
  box-shadow: var(--ds-shadow-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.agent-name {
  font-size: 14px;
}

.agent-description {
  font-size: 11px;
}

/* عناصر المحادثة */
.conversation-item {
  padding: 7px;
  margin-bottom: 3px;
}

.conversation-icon {
  width: 30px;
  height: 30px;
  margin-right: 8px;
}

.conversation-title {
  font-size: 13px;
}

.conversation-date {
  font-size: 10px;
}

/* عناوين الأقسام */
.section-title {
  font-size: 13px;
  margin: 5px 0;
  padding: 0 8px;
  color: var(--ds-text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-title::after {
  content: attr(data-count);
  font-size: 10px;
  background-color: var(--ds-bg-tertiary);
  padding: 1px 6px;
  border-radius: 10px;
  color: var(--ds-text-secondary);
}

/* شارة نشط */
.active-badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 10px;
  background-color: var(--ds-primary);
  color: white;
  margin-right: 8px;
  box-shadow: 0 2px 5px rgba(var(--ds-primary-rgb), 0.3);
  animation: badge-pulse 2s infinite;
}

@keyframes badge-pulse {
  0% { opacity: 1; }
  50% { opacity: 0.7; }
  100% { opacity: 1; }
}

/* تخطيط وضع الشاشة الكاملة */
.deepseek-fullscreen-mode {
  display: grid;
  grid-template-columns: 250px 1fr;
  grid-template-rows: 1fr;
  height: 100vh;
  background: var(--ds-bg-primary);
}

.deepseek-sidebar {
  display: flex;
  flex-direction: column;
  width: 250px;
  padding: 10px 0;
  border-right: 1px solid var(--ds-border-color);
  box-shadow: var(--ds-shadow-xs);
  z-index: 2;
}

.deepseek-sidebar-title {
  font-size: 16px;
  padding: 0 15px 10px;
  margin-bottom: 10px;
}

/* منطقة الدردشة الرئيسية في وضع الشاشة الكاملة */
.deepseek-main-chat {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.deepseek-main-chat #chat-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: none;
  border: none;
}

.deepseek-main-chat #chat-output {
  flex: 1;
  max-height: none;
  overflow-y: auto;
}

/* ==========================================================================
   15. التحريكات والمساعدات
   ========================================================================== */

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% { opacity: 0.5; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1.05); }
  100% { opacity: 0.5; transform: scale(0.95); }
}

@keyframes pulseButton {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

@keyframes languageChange {
  0% {
    opacity: 0;
    transform: translateY(-5px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.language-change-transition {
  animation: languageChange 0.4s ease;
}

.theme-toggle-activated {
  animation: theme-toggle-click 0.3s ease-in-out;
}

@keyframes theme-toggle-click {
  0% { transform: scale(1); }
  50% { transform: scale(0.9); }
  100% { transform: scale(1); }
}

.pulse-effect {
  animation: pulse 0.3s ease;
}

.message-updated {
  animation: pulse 0.5s ease;
}

/* ==========================================================================
   16. دعم RTL (من اليمين إلى اليسار)
   ========================================================================== */

#chat-container[dir="rtl"] .message.user-message {
  flex-direction: row;
}

#chat-container[dir="rtl"] .message.ai-message {
  flex-direction: row-reverse;
}
#chat-container[dir="rtl"] .message.ai-message .content {
  border-left: none;
  border-right: 3px solid var(--ds-primary);
  border-bottom-left-radius: 18px;
  border-bottom-right-radius: 4px;
}

#chat-container[dir="rtl"] .message-timestamp {
  left: auto;
  right: 12px;
}

#chat-container[dir="rtl"] .message.user-message .message-timestamp {
  right: auto;
  left: 12px;
}

#chat-container[dir="rtl"] .message-actions {
  right: auto;
  left: 12px;
}

#chat-container[dir="rtl"] .message.user-message .message-actions {
  left: auto;
  right: 12px;
}

#chat-container[dir="rtl"] .message .content blockquote {
  border-left: none;
  border-right: 4px solid var(--ds-primary);
  padding: 0.5em 1em 0.5em 0;
  border-radius: 6px 0 0 6px;
}

#chat-container[dir="rtl"] .input-wrapper {
  flex-direction: row-reverse;
}

#chat-container[dir="rtl"] #send-btn {
  margin-left: 0;
  margin-right: var(--ds-space-2);
}

#chat-container[dir="rtl"] .typing-indicator {
  margin-left: 0;
  margin-right: 15px;
  border-bottom-left-radius: 18px;
  border-bottom-right-radius: 4px;
}

#chat-container[dir="rtl"] .typing-text {
  flex-direction: row-reverse;
}

#chat-container[dir="rtl"] .typing-dots {
  margin-left: 0;
  margin-right: 3px;
}

#chat-container[dir="rtl"] .language-select,
#chat-container[dir="rtl"] .model-select {
  padding-right: 12px;
  padding-left: 30px;
  background-position: left 10px center;
}

#chat-container[dir="rtl"] .deepseek-chat-footer-rating .rating-label {
  margin-right: 0;
  margin-left: 10px;
}

#chat-container[dir="rtl"] .emoji-picker {
  right: auto;
  left: 10px;
}

#chat-container[dir="rtl"] .message-copy-btn {
  right: auto;
  left: 8px;
}

#chat-container[dir="rtl"] .history-menu::before {
  left: auto;
  right: 15px;
}

#chat-container[dir="rtl"] .new-chat-button {
  margin-left: 0;
  margin-right: 10px;
}

#chat-container[dir="rtl"] .chat-notification {
  right: auto;
  left: 24px;
}

#chat-container[dir="rtl"] .history-item.current {
  border-left: none;
  border-right: 3px solid var(--ds-primary);
  padding-left: 15px;
  padding-right: 12px;
}

#chat-container[dir="rtl"] .history-item:hover {
  transform: translateX(-3px);
}

#chat-container[dir="rtl"] .history-item-date::before {
  margin-right: 0;
  margin-left: 4px;
}

/* ==========================================================================
   17. تصميم متجاوب
   ========================================================================== */

/* شاشات متوسطة (أجهزة لوحية) */
@media screen and (max-width: 768px) {
  /* تعديلات الرأس */
  #chat-header {
    padding: 14px 16px;
  }
  
  .bot-avatar {
    width: 38px;
    height: 38px;
    border-radius: 10px;
  }
  
  .bot-avatar i {
    font-size: 18px;
  }
  
  .bot-name {
    font-size: 16px;
  }
  
  .bot-title {
    font-size: 12px;
    max-width: 150px;
  }
  
  /* مربعات اختيار أصغر */
  .language-select, 
  .model-select {
    min-width: 110px;
    padding: 7px 10px 7px 12px;
    font-size: 13px;
    background-position: right 10px center;
    padding-right: 30px;
  }
  
  /* أزرار إجراء أصغر */
  .action-btn,
  #theme-toggle {
    width: 36px;
    height: 36px;
  }
  
  .action-btn i,
  #theme-toggle i {
    font-size: 16px;
  }
  
  /* ضبط شارات الخبرة */
  .expertise-badge {
    font-size: 9px;
    padding: 2px 6px;
  }
  
  /* حاوية الرسائل */
  #chat-output {
    padding: 18px 15px;
  }
  
  /* الرسائل */
  .message {
    max-width: 98%;
  }
  
  .message.user-message {
    max-width: 90%;
  }
  
  /* ضبط حشو المحتوى */
  .message .content {
    font-size: 15px;
    padding-bottom: 32px;
  }
  
  /* ضبط أحجام العناوين */
  .message .content h1 { font-size: 1.6em; }
  .message .content h2 { font-size: 1.4em; }
  .message .content h3 { font-size: 1.2em; }
  
  /* جعل أزرار الإجراء أصغر قليلاً */
  .message-action-btn {
    padding: 4px 8px;
    font-size: 11px;
  }
  
  .message-action-btn i {
    font-size: 13px;
  }
  
  /* تعديلات وضع الشاشة الكاملة */
  .deepseek-fullscreen-mode {
    grid-template-columns: 220px 1fr;
  }
  
  /* التنقل */
  .deepseek-agent-navigation {
    margin: 20px 0 30px;
  }
  
  .deepseek-back-to-agents {
    padding: 10px 22px;
    min-width: 180px;
    height: 45px;
    font-size: 14px;
  }
  
  .deepseek-back-to-agents i {
    font-size: 14px;
  }
  
  /* نظام التقييم */
  .deepseek-chat-footer-rating .rating-star {
    font-size: 20px;
  }
}

/* شاشات صغيرة (الهواتف المحمولة) */
@media screen and (max-width: 480px) {
  /* رأس أكثر اختصارًا */
  #chat-header {
    padding: 12px 14px;
  }
  
  /* تكديس أو تكثيف شارات الخبرة */
  .agent-expertise {
    gap: 3px;
    max-width: 150px;
  }
  
  /* أفاتار أصغر حتى */
  .bot-avatar {
    width: 34px;
    height: 34px;
    border-radius: 8px;
  }
  
  .bot-avatar i {
    font-size: 16px;
  }
  
  /* ضبط أحجام النصوص */
  .bot-name {
    font-size: 14px;
    max-width: 100px;
  }
  
  .bot-title {
    font-size: 11px;
    max-width: 100px;
  }
  
  .bot-status-text {
    font-size: 10px;
  }
  
  /* جعل مربعات التحديد أكثر إحكامًا */
  .language-select, 
  .model-select {
    min-width: 80px;
    max-width: 100px;
    padding: 6px 8px 6px 10px;
    font-size: 12px;
    padding-right: 25px;
    background-position: right 8px center;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  /* تقليل أزرار الإجراء أكثر */
  .action-btn,
  #theme-toggle {
    width: 32px;
    height: 32px;
  }
  
  .action-btn i,
  #theme-toggle i {
    font-size: 14px;
  }
  
  /* ضبط المسافة بين أزرار الإجراء */
  .actions {
    gap: 6px;
  }
  
  /* إخفاء العناصر الاختيارية على الشاشات الصغيرة جدًا */
  .expertise-badge:nth-child(n+3) {
    display: none;
  }
  
  /* إخفاء نص الحالة اختياريًا على الشاشات الصغيرة جدًا */
  .bot-status-text {
    display: none;
  }
  
  /* رسائل أوسع حتى للشاشات الصغيرة */
  .message {
    max-width: 100%;
  }
  
  .message.user-message {
    max-width: 95%;
  }
  
  /* أفاتار أصغر على الجوال */
  .message .avatar {
    width: 30px;
    height: 30px;
    margin: 0 6px;
    border-radius: 8px;
  }
  
  .message .avatar i {
    font-size: 14px;
  }
  
  /* تقليل حشو المحتوى أكثر */
  .message .content {
    font-size: 14px;
    padding-bottom: 30px;
  }
  
  /* أزرار إجراء مضغوطة على الجوال */
  .message-actions {
    gap: 4px;
    bottom: 5px;
    right: 8px;
  }
  
  .message.user-message .message-actions {
    left: 8px;
  }
  
  .message-action-btn {
    padding: 3px 7px;
    font-size: 10px;
  }
  
  .message-action-btn span {
    display: none; /* إخفاء نص الزر على الشاشات الصغيرة */
  }
  
  .message-action-btn i {
    font-size: 12px;
    margin: 0;
  }
  
  /* ضبط موضع الطابع الزمني */
  .message-timestamp {
    bottom: 5px;
    left: 8px;
    font-size: 12px;
  }
  
  .message.user-message .message-timestamp {
    right: 8px;
  }
  
  /* ضبط عناصر المحتوى للجوال */
  .message .content blockquote {
    padding-left: 10px;
    margin: 0.75em 0;
  }
  
  .message .content ul, 
  .message .content ol {
    padding-left: 1.5em;
  }
  
  /* عناوين أصغر على الجوال */
  .message .content h1 { font-size: 1.4em; }
  .message .content h2 { font-size: 1.3em; }
  .message .content h3 { font-size: 1.15em; }
  .message .content h4, 
  .message .content h5, 
  .message .content h6 {
    font-size: 1.05em;
  }
  
  /* تعديلات مؤشر الكتابة */
  .typing-indicator {
    padding: 10px 16px;
    min-width: 150px;
  }
  
  .typing-text {
    font-size: 13px;
  }
  
  .typing-dot {
    width: 4px;
    height: 4px;
  }
  
  /* ضبط المؤشر */
  .typing-cursor {
    width: 8px;
    height: 16px;
  }
  
  #streaming-content {
    padding-right: 30px;
  }
  
  /* وضع الشاشة الكاملة */
  .deepseek-fullscreen-mode {
    display: flex;
    flex-direction: column;
  }
  
  .deepseek-sidebar {
    width: 100%;
    height: auto;
    max-height: 35vh;
    border-right: none;
    border-bottom: 1px solid var(--ds-border-color);
  }
  
  /* التنقل */
  .deepseek-agent-navigation {
    margin: 15px 0 25px;
  }
  
  .deepseek-back-to-agents {
    padding: 8px 18px;
    min-width: 150px;
    height: 40px;
    font-size: 13px;
  }
  
  .deepseek-back-to-agents i {
    font-size: 13px;
  }
}

/* شاشات صغيرة للغاية */
@media screen and (max-width: 360px) {
  /* تخطيط مضغوط للغاية */
  #chat-header {
    padding: 10px 12px;
  }
  
  /* أفاتار الحد الأدنى */
  .bot-avatar {
    width: 30px;
    height: 30px;
  }
  
  /* إخفاء العناوين وإظهار المعلومات الأساسية فقط */
  .bot-title {
    display: none;
  }
  
  /* إخفاء جميع شارات الخبرة على الشاشات الصغيرة للغاية */
  .agent-expertise {
    display: none;
  }
  
  /* الاحتفاظ بأزرار الإجراء الأساسية فقط */
  .actions > *:not(#theme-toggle):nth-child(n+2) {
    display: none;
  }
  
  /* ضمان بقاء زر تبديل السمة مرئيًا */
  #theme-toggle {
    width: 28px;
    height: 28px;
  }
  
  #theme-toggle i {
    font-size: 12px;
  }
  
  /* تقليل جميع الحشو/الهوامش */
  #chat-output {
    padding: 15px 10px;
  }
  
  .message {
    max-width: 100%;
    margin-bottom: 18px;
  }
  
  /* أفاتار مصغرة */
  .message .avatar {
    width: 26px;
    height: 26px;
    margin: 0 5px;
  }
  
  /* تقليل المحتوى أكثر */
  .message .content {
    font-size: 13px;
    padding-bottom: 28px;
    max-width: calc(100% - 60px);
  }
  
  /* أزرار إجراء فائقة الضغط */
  .message-action-btn {
    padding: 3px 6px;
  }
}

/* ==========================================================================
   18. تحسينات إمكانية الوصول (قسم جديد)
   ========================================================================== */

/* فئة للقراء الشاشة فقط */
.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;
}

/* التخطي إلى المحتوى الرئيسي - ميزة الوصول */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 0;
  height: 1px;
  width: 1px;
  overflow: hidden;
  background: var(--ds-primary);
  color: var(--ds-text-light);
  padding: 10px;
  z-index: 10000;
  text-align: center;
  transition: top 0.3s ease;
}

.skip-to-content:focus {
  top: 0;
  width: 100%;
  height: auto;
  outline: none;
}

/* أنماط التركيز المحسنة */
button:focus-visible,
select:focus-visible,
textarea:focus-visible,
input:focus-visible,
a:focus-visible,
[role="button"]:focus-visible,
[role="menuitem"]:focus-visible {
  outline: 2px solid var(--ds-primary);
  outline-offset: 2px;
  position: relative;
  z-index: 1;
}

/* أنماط التركيز للرسائل */
.message:focus-within {
  outline: 2px solid var(--ds-primary);
  outline-offset: 2px;
}

/* أنماط التركيز لمغلف الإدخال */
.input-wrapper.focused {
  border-color: var(--ds-primary);
  box-shadow: 0 0 0 3px rgba(var(--ds-primary-rgb), 0.2);
  outline: none;
}

/* الحد الأدنى لحجم هدف اللمس للأزرار */
.action-btn, 
.message-copy-btn,
.input-action-btn,
.deepseek-copy-code,
#send-btn {
  min-width: 40px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* احترام تفضيل تقليل الحركة */
@media screen and (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
  
  /* استخدام التعتيم للانتقالات الضرورية */
  .copy-notification {
    transition: opacity 0.1s linear !important;
  }
  
  .emoji-picker,
  .message.message-updated,
  .message,
  #shortcuts-modal .modal-content,
  .feedback-form,
  .rating-confirmation {
    animation: none !important;
    transition: opacity 0.1s linear !important;
  }
}

/* دعم وضع التباين العالي */
@media screen and (prefers-contrast: more) {
  :root {
    --ds-primary: #0052cc;
    --ds-primary-hover: #003d99;
    --ds-border-color: #444444;
    --ds-text-primary: #000000;
    --ds-text-secondary: #333333;
    --ds-text-light: #ffffff;
  }
  
  .message .content {
    border-width: 2px;
  }
  
  .message-action-btn,
  .action-btn,
  .rating-btn,
  .input-action-btn {
    border: 1px solid currentColor;
  }
  
  /* زيادة التباين للكود المضمن */
  .message .content code:not(.deepseek-code-block code) {
    background-color: #eaeaea;
    color: #121212;
  }
  
  /* زيادة التباين للروابط */
  a {
    text-decoration: underline;
  }
  
  /* التأكد من أن رسائل الخطأ مرئية للغاية */
  .error-message .content {
    border: 2px solid var(--ds-error-color);
  }
}

/* ==========================================================================
   19. مكونات واجهة المستخدم الجديدة (قسم جديد)
   ========================================================================== */

/* زر التمرير للأسفل */
#scroll-to-bottom {
  position: absolute;
  bottom: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: var(--ds-radius-circle);
  background-color: var(--ds-bg-primary);
  border: 1px solid var(--ds-border-color);
  color: var(--ds-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 100;
  box-shadow: var(--ds-shadow-md);
  transition: var(--ds-transition-fast);
}

#scroll-to-bottom:hover {
  background-color: var(--ds-bg-secondary);
  color: var(--ds-primary);
  box-shadow: var(--ds-shadow-lg);
  transform: translateY(-2px);
}

#scroll-to-bottom:focus-visible {
  outline: 2px solid var(--ds-primary);
  outline-offset: 2px;
}

/* مودال اختصارات لوحة المفاتيح */
#shortcuts-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--ds-z-modal);
  backdrop-filter: blur(2px);
}

#shortcuts-modal .modal-content {
  background-color: var(--ds-bg-primary);
  border-radius: var(--ds-radius-lg);
  box-shadow: var(--ds-shadow-lg);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalAppear 0.3s ease;
  border: 1px solid var(--ds-border-color);
}

@keyframes modalAppear {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

#shortcuts-modal .modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--ds-space-4) var(--ds-space-6);
  border-bottom: 1px solid var(--ds-border-color);
}

#shortcuts-modal .modal-header h3 {
  margin: 0;
  font-size: var(--ds-font-size-lg);
  color: var(--ds-text-primary);
  font-weight: 600;
}

#shortcuts-modal .close-modal {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--ds-text-secondary);
  transition: var(--ds-transition-fast);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ds-radius-circle);
}

#shortcuts-modal .close-modal:hover {
  color: var(--ds-error-color);
  background-color: rgba(239, 68, 68, 0.1);
}

#shortcuts-modal .modal-body {
  padding: var(--ds-space-6);
}

/* جدول اختصارات لوحة المفاتيح */
.shortcuts-table {
  width: 100%;
  border-collapse: collapse;
}

.shortcuts-table th,
.shortcuts-table td {
  padding: var(--ds-space-4);
  text-align: right;
  border-bottom: 1px solid var(--ds-border-color);
}

.shortcuts-table th {
  font-weight: 600;
  color: var(--ds-text-primary);
  font-size: var(--ds-font-size-sm);
}

.shortcuts-table td {
  color: var(--ds-text-secondary);
  font-size: var(--ds-font-size-sm);
}

/* تنسيق مفتاح لوحة المفاتيح */
kbd {
  display: inline-block;
  background-color: var(--ds-bg-secondary);
  border-radius: var(--ds-radius-sm);
  padding: 3px 6px;
  font-family: monospace;
  font-size: var(--ds-font-size-xs);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2), 0 0 0 1px var(--ds-border-color);
  margin: 0 2px;
  vertical-align: middle;
  color: var(--ds-text-primary);
  border: 1px solid var(--ds-border-hover);
  white-space: nowrap;
}

/* تحسين إشعار النسخ */
.copy-notification {
  position: fixed;
  bottom: 30px;
  right: 30px;
  padding: 12px 25px;
  background-color: var(--ds-success-color);
  color: white;
  border-radius: 50px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  z-index: var(--ds-z-tooltip);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  max-width: 300px;
  width: max-content;
}

.copy-notification.visible {
  opacity: 1;
  transform: translateY(0);
}

.copy-notification.error {
  background-color: var(--ds-error-color);
}

.copy-notification i {
  font-size: var(--ds-font-size-md);
}

/* مؤشر إعادة التوليد */
.regenerating-indicator {
  display: flex;
  align-items: center;
  gap: var(--ds-space-2);
  color: var(--ds-primary);
  margin-top: var(--ds-space-4);
  padding: var(--ds-space-2);
  background-color: var(--ds-primary-light);
  border-radius: var(--ds-radius-md);
  font-size: var(--ds-font-size-sm);
}

.regenerating-indicator i {
  animation: spin 1s linear infinite;
}

.regeneration-notice,
.regeneration-error {
  margin-top: var(--ds-space-4);
  padding: var(--ds-space-2);
  border-radius: var(--ds-radius-md);
  font-size: var(--ds-font-size-sm);
  display: flex;
  align-items: center;
  gap: var(--ds-space-2);
}

.regeneration-notice {
  background-color: var(--ds-primary-light);
  color: var(--ds-primary);
}

.regeneration-error {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--ds-error-color);
}

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

/* ==========================================================================
   20. فئات التخصيص (قسم جديد)
   ========================================================================== */

/* اختلافات حجم الخط */
.font-size-small {
  --chat-font-size: var(--ds-font-size-sm);
}

.font-size-medium {
  --chat-font-size: var(--ds-font-size-md);
}

.font-size-large {
  --chat-font-size: var(--ds-font-size-lg);
}

.font-size-small #chat-input,
.font-size-small .message .content,
.font-size-small .bot-name,
.font-size-small .bot-title,
.font-size-small .message-action-btn {
  font-size: var(--chat-font-size);
}

/* اختلافات تباعد الرسائل */
.spacing-compact .message {
  margin-bottom: var(--ds-space-2);
}

.spacing-comfortable .message {
  margin-bottom: var(--ds-space-4);
}

.spacing-relaxed .message {
  margin-bottom: var(--ds-space-6);
}

.spacing-compact .message .content {
  padding: var(--ds-space-2) var(--ds-space-4);
}

.spacing-comfortable .message .content {
  padding: var(--ds-space-4) var(--ds-space-6);
}

.spacing-relaxed .message .content {
  padding: var(--ds-space-6) var(--ds-space-8);
}

/* اختلافات نمط الزر */
.button-style-rounded .action-btn,
.button-style-rounded .input-action-btn,
.button-style-rounded .message-action-btn,
.button-style-rounded #stop-btn,
.button-style-rounded .new-chat-btn,
.button-style-rounded .rating-btn {
  border-radius: var(--ds-radius-circle);
}

.button-style-squared .action-btn,
.button-style-squared .input-action-btn,
.button-style-squared .message-action-btn,
.button-style-squared #stop-btn,
.button-style-squared .new-chat-btn,
.button-style-squared .rating-btn {
  border-radius: var(--ds-radius-sm);
}

.button-style-subtle .action-btn,
.button-style-subtle .input-action-btn,
.button-style-subtle .message-action-btn,
.button-style-subtle #stop-btn,
.button-style-subtle .new-chat-btn,
.button-style-subtle .rating-btn {
  border-radius: var(--ds-radius-md);
}

/* رسالة تسجيل الدخول المطلوب */
.login-required {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
    padding: 15px;
    border-radius: 12px;
    margin: 10px 0;
    font-size: 14px;
    text-align: center;
}

.login-required a {
    color: #0d6efd;
    text-decoration: underline;
    font-weight: bold;
}

.login-required a:hover {
    text-decoration: none;
}

/* تعديلات الوضع الداكن للعناصر الجديدة */
body.dark-theme #shortcuts-modal .modal-content,
#chat-container.theme-dark #shortcuts-modal .modal-content {
  background-color: var(--ds-bg-primary);
  border-color: var(--ds-border-color);
}

body.dark-theme kbd,
#chat-container.theme-dark kbd {
  background-color: var(--ds-bg-tertiary);
  border-color: var(--ds-border-hover);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.4), 0 0 0 1px var(--ds-border-color);
}

body.dark-theme #scroll-to-bottom,
#chat-container.theme-dark #scroll-to-bottom {
  background-color: var(--ds-bg-secondary);
  border-color: var(--ds-border-color);
}

body.dark-theme .login-required,
#chat-container.theme-dark .login-required {
  background-color: rgba(255, 243, 205, 0.1);
  color: #ffe69c;
  border-color: #665429;
}

body.dark-theme .login-required a,
#chat-container.theme-dark .login-required a {
  color: #6ea8fe;
}









/* تنسيق محسن لرسالة تجاوز حد التوكنز */
.token-limit-message {
    border: 1px solid #e74c3c;
    border-radius: 8px;
    margin: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.token-limit-message .content {
    padding: 0 !important;
}

.token-limit-header {
    display: flex;
    align-items: center;
    background-color: #f8d7da;
    padding: 12px 15px;
    border-bottom: 1px solid #f1b0b7;
}

.token-limit-icon {
    margin-right: 10px;
    font-size: 24px;
    color: #e74c3c;
}

.token-limit-title {
    font-size: 16px;
    font-weight: bold;
    color: #721c24;
}

.token-limit-body {
    padding: 15px;
    color: #333;
}

.token-limit-message {
    margin: 0 0 15px 0;
    line-height: 1.5;
}

.token-limit-info {
    background: rgba(231, 76, 60, 0.05);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 16px;
}

.token-limit-usage, .token-limit-reset, .token-limit-membership {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    font-size: 14px;
}

.token-limit-usage-icon, .token-limit-reset i, .token-limit-membership i {
    width: 20px;
    margin-right: 10px;
    color: #666;
}

.token-limit-actions {
    margin: 20px 0;
    display: flex;
    justify-content: center;
}

.token-limit-upgrade-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    background-color: #2980b9;
    color: white !important;
    border-radius: 4px;
    text-decoration: none !important;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    border: none;
}

.token-limit-upgrade-btn:hover {
    background-color: #3498db;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
    text-decoration: none !important;
    color: white !important;
}

.token-limit-upgrade-btn i {
    margin-right: 8px;
}

.token-limit-help {
    text-align: center;
    font-size: 13px;
    color: #666;
    margin-top: 10px;
}