/* layout.css - نظام التخطيط المتكامل */

/* ========== CONTAINER ========== */
.container {
  width: 100%;
  padding-right: var(--spacing-4);
  padding-left: var(--spacing-4);
  margin-right: auto;
  margin-left: auto;
}

@media (min-width: 640px) {
  .container {
    max-width: 640px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 768px;
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: 1024px;
  }
}

@media (min-width: 1280px) {
  .container {
    max-width: 1280px;
  }
}

@media (min-width: 1536px) {
  .container {
    max-width: 1536px;
  }
}

.container-fluid {
  width: 100%;
  padding-right: var(--spacing-4);
  padding-left: var(--spacing-4);
  margin-right: auto;
  margin-left: auto;
}

/* ========== GRID SYSTEM ========== */
.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: calc(var(--spacing-4) * -0.5);
  margin-left: calc(var(--spacing-4) * -0.5);
}

.row > * {
  flex-shrink: 0;
  width: 100%;
  max-width: 100%;
  padding-right: calc(var(--spacing-4) * 0.5);
  padding-left: calc(var(--spacing-4) * 0.5);
  margin-top: var(--spacing-4);
}

.col {
  flex: 1 0 0%;
}

/* Column Widths */
.col-1 { flex: 0 0 auto; width: 8.33333333%; }
.col-2 { flex: 0 0 auto; width: 16.66666667%; }
.col-3 { flex: 0 0 auto; width: 25%; }
.col-4 { flex: 0 0 auto; width: 33.33333333%; }
.col-5 { flex: 0 0 auto; width: 41.66666667%; }
.col-6 { flex: 0 0 auto; width: 50%; }
.col-7 { flex: 0 0 auto; width: 58.33333333%; }
.col-8 { flex: 0 0 auto; width: 66.66666667%; }
.col-9 { flex: 0 0 auto; width: 75%; }
.col-10 { flex: 0 0 auto; width: 83.33333333%; }
.col-11 { flex: 0 0 auto; width: 91.66666667%; }
.col-12 { flex: 0 0 auto; width: 100%; }

/* Responsive Columns */
@media (min-width: 640px) {
  .col-sm-1 { flex: 0 0 auto; width: 8.33333333%; }
  .col-sm-2 { flex: 0 0 auto; width: 16.66666667%; }
  .col-sm-3 { flex: 0 0 auto; width: 25%; }
  .col-sm-4 { flex: 0 0 auto; width: 33.33333333%; }
  .col-sm-5 { flex: 0 0 auto; width: 41.66666667%; }
  .col-sm-6 { flex: 0 0 auto; width: 50%; }
  .col-sm-7 { flex: 0 0 auto; width: 58.33333333%; }
  .col-sm-8 { flex: 0 0 auto; width: 66.66666667%; }
  .col-sm-9 { flex: 0 0 auto; width: 75%; }
  .col-sm-10 { flex: 0 0 auto; width: 83.33333333%; }
  .col-sm-11 { flex: 0 0 auto; width: 91.66666667%; }
  .col-sm-12 { flex: 0 0 auto; width: 100%; }
}

@media (min-width: 768px) {
  .col-md-1 { flex: 0 0 auto; width: 8.33333333%; }
  .col-md-2 { flex: 0 0 auto; width: 16.66666667%; }
  .col-md-3 { flex: 0 0 auto; width: 25%; }
  .col-md-4 { flex: 0 0 auto; width: 33.33333333%; }
  .col-md-5 { flex: 0 0 auto; width: 41.66666667%; }
  .col-md-6 { flex: 0 0 auto; width: 50%; }
  .col-md-7 { flex: 0 0 auto; width: 58.33333333%; }
  .col-md-8 { flex: 0 0 auto; width: 66.66666667%; }
  .col-md-9 { flex: 0 0 auto; width: 75%; }
  .col-md-10 { flex: 0 0 auto; width: 83.33333333%; }
  .col-md-11 { flex: 0 0 auto; width: 91.66666667%; }
  .col-md-12 { flex: 0 0 auto; width: 100%; }
}

@media (min-width: 1024px) {
  .col-lg-1 { flex: 0 0 auto; width: 8.33333333%; }
  .col-lg-2 { flex: 0 0 auto; width: 16.66666667%; }
  .col-lg-3 { flex: 0 0 auto; width: 25%; }
  .col-lg-4 { flex: 0 0 auto; width: 33.33333333%; }
  .col-lg-5 { flex: 0 0 auto; width: 41.66666667%; }
  .col-lg-6 { flex: 0 0 auto; width: 50%; }
  .col-lg-7 { flex: 0 0 auto; width: 58.33333333%; }
  .col-lg-8 { flex: 0 0 auto; width: 66.66666667%; }
  .col-lg-9 { flex: 0 0 auto; width: 75%; }
  .col-lg-10 { flex: 0 0 auto; width: 83.33333333%; }
  .col-lg-11 { flex: 0 0 auto; width: 91.66666667%; }
  .col-lg-12 { flex: 0 0 auto; width: 100%; }
}

@media (min-width: 1280px) {
  .col-xl-1 { flex: 0 0 auto; width: 8.33333333%; }
  .col-xl-2 { flex: 0 0 auto; width: 16.66666667%; }
  .col-xl-3 { flex: 0 0 auto; width: 25%; }
  .col-xl-4 { flex: 0 0 auto; width: 33.33333333%; }
  .col-xl-5 { flex: 0 0 auto; width: 41.66666667%; }
  .col-xl-6 { flex: 0 0 auto; width: 50%; }
  .col-xl-7 { flex: 0 0 auto; width: 58.33333333%; }
  .col-xl-8 { flex: 0 0 auto; width: 66.66666667%; }
  .col-xl-9 { flex: 0 0 auto; width: 75%; }
  .col-xl-10 { flex: 0 0 auto; width: 83.33333333%; }
  .col-xl-11 { flex: 0 0 auto; width: 91.66666667%; }
  .col-xl-12 { flex: 0 0 auto; width: 100%; }
}

/* ========== DASHBOARD LAYOUT ========== */
.dashboard-layout {
  display: flex;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--color-neutral-50) 0%, var(--color-neutral-100) 100%);
  direction: rtl;
}

/* Sidebar Area */
.sidebar-area {
  width: var(--sidebar-width);
  flex-shrink: 0;
  transition: width var(--transition-duration-300) var(--transition-timing-function-ease);
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-index-fixed);
}

.sidebar-collapsed .sidebar-area {
  width: var(--sidebar-collapsed-width);
}

/* Main Content Area */
.main-content {
  flex: 1;
  margin-right: var(--sidebar-width);
  transition: margin-right var(--transition-duration-300) var(--transition-timing-function-ease);
}

.sidebar-collapsed .main-content {
  margin-right: var(--sidebar-collapsed-width);
}

/* Content Wrapper */
.content-wrapper {
  min-height: calc(100vh - var(--header-height));
  padding: var(--spacing-6);
}

@media (max-width: 768px) {
  .content-wrapper {
    padding: var(--spacing-4);
  }
}

/* ========== HEADER ========== */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-neutral-200);
  padding: 0 var(--spacing-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-duration-300) var(--transition-timing-function-ease);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.95);
}

/* Header Sections */
.header-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.header-logo {
  width: 2.5rem;
  height: 2.5rem;
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
}

.header-title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-900);
  margin: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

/* Header Navigation */
.header-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.header-nav-item {
  padding: var(--spacing-2) var(--spacing-3);
  color: var(--color-neutral-600);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-duration-200) var(--transition-timing-function-ease);
}

.header-nav-item:hover {
  background: var(--color-neutral-100);
  color: var(--color-neutral-800);
}

.header-nav-item.active {
  background: var(--color-primary-50);
  color: var(--color-primary-700);
  font-weight: var(--font-weight-semibold);
}

/* Header Search */
.header-search {
  position: relative;
  width: 300px;
}

.header-search input {
  width: 100%;
  padding: var(--spacing-2) var(--spacing-3) var(--spacing-2) var(--spacing-10);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  background: var(--color-neutral-50);
  transition: all var(--transition-duration-200) var(--transition-timing-function-ease);
}

.header-search input:focus {
  border-color: var(--color-primary-500);
  background: var(--color-neutral-0);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.header-search-icon {
  position: absolute;
  right: var(--spacing-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-neutral-400);
}

/* Header Notifications */
.header-notifications {
  position: relative;
}

.notification-badge {
  position: absolute;
  top: -5px;
  left: -5px;
  width: 18px;
  height: 18px;
  background: var(--color-error);
  color: white;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Header User Menu */
.header-user {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-2) var(--spacing-3);
  background: var(--color-neutral-50);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-duration-200) var(--transition-timing-function-ease);
}

.header-user:hover {
  background: var(--color-neutral-100);
}

.user-avatar {
  width: 2.5rem;
  height: 2.5rem;
  background: linear-gradient(135deg, var(--color-primary-400), var(--color-primary-600));
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--font-weight-bold);
}

.user-info {
  text-align: right;
}

.user-name {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-900);
  display: block;
}

.user-role {
  font-size: var(--text-xs);
  color: var(--color-neutral-500);
  display: block;
}

/* ========== SIDEBAR ========== */
.sidebar {
  height: 100%;
  background: linear-gradient(180deg, 
    var(--color-primary-800) 0%, 
    var(--color-primary-900) 100%
  );
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-duration-300) var(--transition-timing-function-ease);
  overflow: hidden;
}

/* Sidebar Header */
.sidebar-header {
  padding: var(--spacing-6) var(--spacing-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-2);
}

.sidebar-logo-icon {
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, 
    var(--color-secondary-500), 
    var(--color-secondary-700)
  );
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-duration-300);
}

.sidebar-logo-text {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: white;
  transition: all var(--transition-duration-300);
}

.sidebar-subtitle {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0;
}

/* Sidebar Navigation */
.sidebar-nav {
  flex: 1;
  padding: var(--spacing-4) 0;
  overflow-y: auto;
}

.sidebar-nav::-webkit-scrollbar {
  width: 4px;
}

.sidebar-nav::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
}

.sidebar-nav::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
}

.nav-section {
  margin-bottom: var(--spacing-6);
  padding: 0 var(--spacing-4);
}

.nav-section:last-child {
  margin-bottom: 0;
}

.nav-section-title {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--spacing-3);
  padding-right: var(--spacing-2);
  font-weight: var(--font-weight-semibold);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-2);
  transition: all var(--transition-duration-200) var(--transition-timing-function-ease);
  position: relative;
  overflow: hidden;
}

.nav-item:last-child {
  margin-bottom: 0;
}

.nav-item:hover {
  color: white;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-5px);
}

.nav-item:hover .nav-icon {
  transform: scale(1.1);
}

.nav-item.active {
  color: white;
  background: linear-gradient(90deg, 
    rgba(255, 255, 255, 0.15), 
    rgba(255, 255, 255, 0.05)
  );
  box-shadow: var(--shadow-inner);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(
    to bottom,
    var(--color-secondary-400),
    var(--color-secondary-600)
  );
  border-radius: 0 var(--radius-base) var(--radius-base) 0;
}

.nav-icon {
  font-size: 1.25rem;
  transition: transform var(--transition-duration-200) var(--transition-timing-function-ease);
  flex-shrink: 0;
}

.nav-text {
  flex: 1;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-duration-300);
}

.nav-badge {
  background: var(--color-secondary-500);
  color: white;
  font-size: var(--text-xs);
  padding: 2px 6px;
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-bold);
}

/* Sidebar Footer */
.sidebar-footer {
  padding: var(--spacing-4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.2);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  transition: all var(--transition-duration-300);
}

.user-profile:hover {
  background: rgba(255, 255, 255, 0.1);
}

.user-profile-avatar {
  width: 2.5rem;
  height: 2.5rem;
  background: linear-gradient(135deg, 
    var(--color-primary-400), 
    var(--color-primary-600)
  );
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  color: white;
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
}

.user-profile-info {
  flex: 1;
  min-width: 0;
  transition: all var(--transition-duration-300);
}

.user-profile-name {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: white;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-profile-role {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.7);
  display: block;
}

/* Collapsed Sidebar */
.sidebar-collapsed .sidebar {
  width: var(--sidebar-collapsed-width);
}

.sidebar-collapsed .sidebar-logo-text,
.sidebar-collapsed .sidebar-subtitle,
.sidebar-collapsed .nav-section-title,
.sidebar-collapsed .nav-text,
.sidebar-collapsed .nav-badge,
.sidebar-collapsed .user-profile-info {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.sidebar-collapsed .nav-item {
  justify-content: center;
  padding: var(--spacing-3);
}

.sidebar-collapsed .nav-item:hover {
  transform: translateX(0);
}

.sidebar-collapsed .user-profile {
  justify-content: center;
  padding: var(--spacing-3);
}

/* ========== FOOTER ========== */
.footer {
  background: var(--color-neutral-800);
  color: var(--color-neutral-400);
  padding: var(--spacing-8) 0 var(--spacing-4);
  margin-top: auto;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-8);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-content {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-section-title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-0);
  margin-bottom: var(--spacing-4);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-2);
}

.footer-links a {
  color: var(--color-neutral-400);
  text-decoration: none;
  transition: color var(--transition-duration-200) var(--transition-timing-function-ease);
}

.footer-links a:hover {
  color: var(--color-neutral-0);
}

.footer-bottom {
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--color-neutral-700);
  text-align: center;
  font-size: var(--text-sm);
}

/* ========== RESPONSIVE UTILITIES ========== */
/* Hide on different screen sizes */
.hidden-xs { display: none; }
.hidden-sm { display: none; }
.hidden-md { display: none; }
.hidden-lg { display: none; }
.hidden-xl { display: none; }

@media (max-width: 639px) {
  .hidden-xs { display: block !important; }
  .visible-xs { display: block !important; }
}

@media (min-width: 640px) and (max-width: 767px) {
  .hidden-sm { display: block !important; }
  .visible-sm { display: block !important; }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hidden-md { display: block !important; }
  .visible-md { display: block !important; }
}

@media (min-width: 1024px) and (max-width: 1279px) {
  .hidden-lg { display: block !important; }
  .visible-lg { display: block !important; }
}

@media (min-width: 1280px) {
  .hidden-xl { display: block !important; }
  .visible-xl { display: block !important; }
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .sidebar-area {
    transform: translateX(100%);
    transition: transform var(--transition-duration-300) var(--transition-timing-function-ease);
  }
  
  .sidebar-open .sidebar-area {
    transform: translateX(0);
  }
  
  .main-content {
    margin-right: 0 !important;
  }
  
  .sidebar-overlay {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: calc(var(--z-index-fixed) - 1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-duration-300) var(--transition-timing-function-ease);
  }
  
  .sidebar-open .sidebar-overlay {
    opacity: 1;
    visibility: visible;
  }
  
  .header {
    padding: 0 var(--spacing-4);
  }
  
  .header-search {
    width: 200px;
  }
  
  .header-user .user-info {
    display: none;
  }
}

@media (max-width: 640px) {
  .header-search {
    display: none;
  }
  
  .header-title {
    font-size: var(--text-lg);
  }
  
  .content-wrapper {
    padding: var(--spacing-4) var(--spacing-3);
  }
}

/* Print Styles for Layout */
@media print {
  .sidebar-area,
  .header,
  .footer {
    display: none !important;
  }
  
  .main-content {
    margin-right: 0 !important;
  }
  
  .content-wrapper {
    padding: 0 !important;
    min-height: auto !important;
  }
}