/*
 * ملف الأيقونات المخصصة و UX المحسن
 * يحتوي على أيقونات مخصصة وتحسينات تجربة المستخدم
 * نظام الحسابات المتكامل
 */

/* المتغيرات للأيقونات */
:root {
  --icon-size-xs: 12px;
  --icon-size-sm: 16px;
  --icon-size-base: 20px;
  --icon-size-lg: 24px;
  --icon-size-xl: 32px;
  --icon-size-2xl: 48px;
  --icon-size-3xl: 64px;
}

/* ===================================
   الأيقونات المخصصة - الأيقونات الأساسية
   =================================== */

.icon {
  display: inline-block;
  width: var(--icon-size-base);
  height: var(--icon-size-base);
  vertical-align: middle;
  fill: currentColor;
  stroke: currentColor;
  stroke-width: 0;
  transition: all var(--transition-fast);
}

/* أحجام الأيقونات */
.icon-xs { width: var(--icon-size-xs); height: var(--icon-size-xs); }
.icon-sm { width: var(--icon-size-sm); height: var(--icon-size-sm); }
.icon-lg { width: var(--icon-size-lg); height: var(--icon-size-lg); }
.icon-xl { width: var(--icon-size-xl); height: var(--icon-size-xl); }
.icon-2xl { width: var(--icon-size-2xl); height: var(--icon-size-2xl); }
.icon-3xl { width: var(--icon-size-3xl); height: var(--icon-size-3xl); }

/* ألوان الأيقونات */
.icon-primary { color: var(--primary-color); }
.icon-success { color: var(--success-color); }
.icon-warning { color: var(--warning-color); }
.icon-danger { color: var(--error-color); }
.icon-secondary { color: var(--text-secondary); }
.icon-light { color: var(--text-light); }
.icon-inverse { color: var(--text-inverse); }

/* أيقونات المحاسبة */
.icon-dashboard::before {
  content: "📊";
  font-size: inherit;
}

.icon-invoice::before {
  content: "🧾";
  font-size: inherit;
}

.icon-customer::before {
  content: "👥";
  font-size: inherit;
}

.icon-product::before {
  content: "📦";
  font-size: inherit;
}

.icon-supplier::before {
  content: "🏭";
  font-size: inherit;
}

.icon-transaction::before {
  content: "💰";
  font-size: inherit;
}

.icon-report::before {
  content: "📈";
  font-size: inherit;
}

.icon-calendar::before {
  content: "📅";
  font-size: inherit;
}

.icon-search::before {
  content: "🔍";
  font-size: inherit;
}

.icon-filter::before {
  content: "🔽";
  font-size: inherit;
}

.icon-sort::before {
  content: "↕️";
  font-size: inherit;
}

.icon-edit::before {
  content: "✏️";
  font-size: inherit;
}

.icon-delete::before {
  content: "🗑️";
  font-size: inherit;
}

.icon-print::before {
  content: "🖨️";
  font-size: inherit;
}

.icon-export::before {
  content: "📤";
  font-size: inherit;
}

.icon-import::before {
  content: "📥";
  font-size: inherit;
}

.icon-settings::before {
  content: "⚙️";
  font-size: inherit;
}

.icon-help::before {
  content: "❓";
  font-size: inherit;
}

.icon-notification::before {
  content: "🔔";
  font-size: inherit;
}

.icon-user::before {
  content: "👤";
  font-size: inherit;
}

.icon-money::before {
  content: "💵";
  font-size: inherit;
}

.icon-chart::before {
  content: "📊";
  font-size: inherit;
}

.icon-trend-up::before {
  content: "📈";
  font-size: inherit;
}

.icon-trend-down::before {
  content: "📉";
  font-size: inherit;
}

.icon-plus::before {
  content: "➕";
  font-size: inherit;
}

.icon-minus::before {
  content: "➖";
  font-size: inherit;
}

.icon-check::before {
  content: "✅";
  font-size: inherit;
}

.icon-close::before {
  content: "❌";
  font-size: inherit;
}

.icon-arrow-up::before {
  content: "⬆️";
  font-size: inherit;
}

.icon-arrow-down::before {
  content: "⬇️";
  font-size: inherit;
}

.icon-arrow-left::before {
  content: "⬅️";
  font-size: inherit;
}

.icon-arrow-right::before {
  content: "➡️";
  font-size: inherit;
}

.icon-refresh::before {
  content: "🔄";
  font-size: inherit;
}

.icon-download::before {
  content: "⬇️";
  font-size: inherit;
}

.icon-upload::before {
  content: "⬆️";
  font-size: inherit;
}

.icon-calendar-today::before {
  content: "📅";
  font-size: inherit;
}

.icon-calendar-week::before {
  content: "📅";
  font-size: inherit;
}

.icon-calendar-month::before {
  content: "📅";
  font-size: inherit;
}

.icon-calendar-year::before {
  content: "📅";
  font-size: inherit;
}

/* ===================================
   تحسينات تجربة المستخدم (UX)
   =================================== */

/* تأثيرات التفاعل المحسنة */
.interactive-hover {
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.interactive-hover::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.interactive-hover:hover::before {
  left: 100%;
}

.interactive-hover:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* مؤشرات التحميل المحسنة */
.loading-indicator {
  position: relative;
  display: inline-block;
}

.loading-dots::after {
  content: '';
  animation: loadingDots 1.5s infinite;
}

@keyframes loadingDots {
  0%, 20% {
    content: '';
  }
  40% {
    content: '.';
  }
  60% {
    content: '..';
  }
  80%, 100% {
    content: '...';
  }
}

.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-light);
  border-top: 2px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loading-spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 1.5px;
}

.loading-spinner-lg {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* شريط التحميل */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: progressShine 2s infinite;
}

@keyframes progressShine {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* تحسينات النوافذ المنبثقة */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  z-index: calc(var(--z-modal) + 1);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
}

.modal.active {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

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

.modal-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--text-xl);
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

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

.modal-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* تحسينات التلميحات */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip .tooltip-text {
  visibility: hidden;
  width: 200px;
  background: var(--text-primary);
  color: var(--bg-primary);
  text-align: center;
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  position: absolute;
  z-index: 1000;
  bottom: 125%;
  left: 50%;
  margin-left: -100px;
  opacity: 0;
  transition: opacity var(--transition-fast);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  box-shadow: var(--shadow-lg);
}

.tooltip .tooltip-text::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: var(--text-primary) transparent transparent transparent;
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* تلميحات علوية */
.tooltip-top .tooltip-text {
  bottom: auto;
  top: 125%;
}

.tooltip-top .tooltip-text::after {
  top: auto;
  bottom: 100%;
  border-color: transparent transparent var(--text-primary) transparent;
}

/* تلميحات يمينية */
.tooltip-right .tooltip-text {
  left: auto;
  right: 125%;
  bottom: 50%;
  margin-left: 0;
  margin-bottom: -50px;
}

.tooltip-right .tooltip-text::after {
  top: 50%;
  left: auto;
  right: -5px;
  bottom: auto;
  margin-left: 0;
  margin-top: -5px;
  border-color: transparent var(--text-primary) transparent transparent;
}

/* تلميحات يسارية */
.tooltip-left .tooltip-text {
  left: auto;
  left: 125%;
  bottom: 50%;
  margin-left: 0;
  margin-bottom: -50px;
}

.tooltip-left .tooltip-text::after {
  top: 50%;
  left: -5px;
  bottom: auto;
  margin-left: 0;
  margin-top: -5px;
  border-color: transparent transparent transparent var(--text-primary);
}

/* تحسينات الإشعارات */
.notification-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-toast);
  max-width: 400px;
}

.notification {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-3);
  position: relative;
  overflow: hidden;
  transform: translateX(100%);
  opacity: 0;
  transition: all var(--transition-normal);
}

.notification.show {
  transform: translateX(0);
  opacity: 1;
}

.notification.hide {
  transform: translateX(100%);
  opacity: 0;
}

.notification.success {
  border-left: 4px solid var(--success-color);
}

.notification.error {
  border-left: 4px solid var(--error-color);
}

.notification.warning {
  border-left: 4px solid var(--warning-color);
}

.notification.info {
  border-left: 4px solid var(--primary-color);
}

.notification-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-2);
}

.notification-title {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin: 0;
}

.notification-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  margin-left: var(--space-3);
}

.notification-message {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.5;
}

/* تحسينات الشارات */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary-color);
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning-color);
}

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

.badge-secondary {
  background: rgba(107, 114, 128, 0.1);
  color: var(--text-secondary);
}

/* شارات النقاط */
.notification-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--error-color);
  color: var(--text-inverse);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  animation: pulse 2s infinite;
}

.notification-badge.success {
  background: var(--success-color);
}

/* تحسينات التبويبات */
.tab-container {
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-6);
}

.tab-list {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-1);
}

.tab-item {
  padding: var(--space-3) var(--space-4);
  border: none;
  background: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  font-weight: var(--font-medium);
  transition: all var(--transition-fast);
  white-space: nowrap;
  position: relative;
}

.tab-item:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.tab-item.active {
  color: var(--primary-color);
  background: var(--bg-primary);
}

.tab-item.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary-color);
}

.tab-content {
  padding: var(--space-4) 0;
}

/* تحسينات الأكورديون */
.accordion {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--border-color);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  padding: var(--space-4);
  background: var(--bg-secondary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition-fast);
}

.accordion-header:hover {
  background: var(--bg-tertiary);
}

.accordion-title {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin: 0;
}

.accordion-icon {
  transition: transform var(--transition-fast);
  color: var(--text-secondary);
}

.accordion-header.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  background: var(--bg-primary);
}

.accordion-content.show {
  max-height: 500px;
}

.accordion-body {
  padding: var(--space-4);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* تحسينات الخطوات */
.step-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-8);
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  flex: 1;
}

.step::after {
  content: '';
  position: absolute;
  top: 20px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--border-color);
  z-index: 1;
}

.step:last-child::after {
  display: none;
}

.step.completed::after {
  background: var(--success-color);
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  position: relative;
  z-index: 2;
  transition: all var(--transition-fast);
}

.step.completed .step-number {
  background: var(--success-color);
  border-color: var(--success-color);
  color: var(--text-inverse);
}

.step.active .step-number {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--text-inverse);
}

.step-label {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-align: center;
  font-weight: var(--font-medium);
}

.step.completed .step-label {
  color: var(--success-color);
}

.step.active .step-label {
  color: var(--primary-color);
}

/* تحسينات الـ Drag and Drop */
.draggable {
  cursor: move;
  transition: all var(--transition-fast);
}

.draggable:hover {
  box-shadow: var(--shadow-md);
}

.dragging {
  opacity: 0.5;
  transform: rotate(5deg);
  z-index: 1000;
}

.drop-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-fast);
  background: var(--bg-secondary);
}

.drop-zone.active {
  border-color: var(--primary-color);
  background: rgba(37, 99, 235, 0.05);
}

.drop-zone .drop-text {
  color: var(--text-secondary);
  font-weight: var(--font-medium);
}

/* تحسينات إمكانية الوصول */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* تحسينات لوحة المفاتيح */
.keyboard-focus:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* تحسينات الحركة المخفضة */
@media (prefers-reduced-motion: reduce) {
  .interactive-hover,
  .interactive-hover::before,
  .tooltip .tooltip-text,
  .notification,
  .accordion-content,
  .accordion-icon {
    transition: none !important;
    animation: none !important;
  }
}

/* تحسينات للوضع المظلم */
@media (prefers-color-scheme: dark) {
  .modal {
    background: var(--bg-secondary);
  }
  
  .notification {
    background: var(--bg-secondary);
    border-color: var(--border-color);
  }
  
  .tooltip .tooltip-text {
    background: var(--text-primary);
    color: var(--bg-primary);
  }
  
  .tooltip .tooltip-text::after {
    border-color: var(--text-primary) transparent transparent transparent;
  }
  
  .accordion-header {
    background: var(--bg-tertiary);
  }
  
  .accordion-content {
    background: var(--bg-secondary);
  }
  
  .drop-zone {
    background: var(--bg-tertiary);
  }
}

/* تحسينات للمس */
@media (hover: none) and (pointer: coarse) {
  .interactive-hover:hover {
    transform: none;
    box-shadow: none;
  }
  
  .interactive-hover:active {
    transform: scale(0.98);
  }
  
  .tooltip {
    display: none;
  }
  
  .modal-close {
    min-width: 44px;
    min-height: 44px;
  }
  
  .tab-item {
    min-height: 44px;
    padding: var(--space-3) var(--space-5);
  }
  
  .accordion-header {
    min-height: 48px;
    padding: var(--space-4) var(--space-5);
  }
}