/**
 * Layout Styles
 * Navbar, sidebar, main content area structures
 */

/* Top Navigation Bar */
.navbar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  height: var(--navbar-height);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  padding: 0 2rem;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary) !important;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: var(--transition-fast);
}

.navbar-brand:hover {
  color: var(--accent-primary) !important;
  transform: translateY(-1px);
}

.navbar-brand i {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.75rem;
}

.navbar-brand img {
  width: 150px;
  height: auto;
  object-fit: contain;
}

/* User Menu in Navbar */
.navbar-nav .dropdown-toggle {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 0.5rem 1rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-fast);
}

.navbar-nav .dropdown-toggle:hover {
  background: var(--bg-hover);
  border-color: var(--accent-primary);
}

.dropdown-menu {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  margin-top: 0.5rem;
}

.dropdown-item {
  color: var(--text-secondary);
  padding: 0.75rem 1.25rem;
  transition: var(--transition-fast);
}

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

/* Sidebar Navigation */
.sidebar {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  width: var(--sidebar-width);
  height: calc(100vh - var(--navbar-height));
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  z-index: 1020;
  transition: var(--transition-smooth);
}

.sidebar-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

.sidebar-header h6 {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.nav-section {
  padding: 1rem 0;
}

.nav-section-title {
  padding: 0 1.5rem 0.5rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
  border-left: 3px solid transparent;
  font-weight: 500;
}

.nav-link:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-left-color: var(--accent-primary);
}

.nav-link.active {
  background: rgba(0, 217, 255, 0.1);
  color: var(--accent-primary);
  border-left-color: var(--accent-primary);
}

.nav-link i {
  width: 20px;
  text-align: center;
  font-size: 1.1rem;
}

.nav-badge {
  margin-left: auto;
  background: var(--accent-danger);
  color: white;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
}

/* Main Content Area */
.main-content {
  margin-left: var(--sidebar-width);
  margin-top: var(--navbar-height);
  min-height: calc(100vh - var(--navbar-height));
  transition: var(--transition-smooth);
}

.content-wrapper {
  padding: 2rem;
  max-width: 100%;
}

/* Page Header */
.page-header {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 0;
}

.page-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* Mobile Sidebar Toggle */
.mobile-sidebar-toggle {
  display: none;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem;
  border-radius: var(--border-radius);
}

/* Sidebar Backdrop for Mobile */
.sidebar-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1010;
}

.sidebar-backdrop.show {
  display: block;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .sidebar {
    width: 250px;
  }
  .main-content {
    margin-left: 250px;
  }
  :root {
    --sidebar-width: 250px;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-width);
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .content-wrapper {
    padding: 1rem;
  }

  .navbar {
    padding: 0 0.5rem;
  }

  .navbar .container-fluid {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 0.5rem;
  }

  .navbar-brand img {
    width: 120px;
    max-height: 40px;
    min-height: 0px;
  }

  .mobile-sidebar-toggle {
    display: block !important;
    padding: 0.4rem 0.5rem;
    margin-right: 0.25rem;
    flex-shrink: 0;
  }

  /* Make theme toggle smaller on mobile */
  .theme-toggle {
    margin-right: 0.25rem;
    padding: 0.4rem 0.5rem;
    min-width: 38px;
    height: 38px;
    flex-shrink: 0;
  }

  .theme-toggle i {
    font-size: 1rem;
  }

  /* Adjust user dropdown for mobile */
  .navbar .dropdown-toggle {
    padding: 0.4rem 0.5rem;
    min-width: 38px;
    height: 38px;
    flex-shrink: 0;
  }

  .navbar .dropdown-toggle .avatar {
    margin-right: 0;
  }

  /* Ensure dropdown menu stays on screen */
  .navbar .dropdown-menu {
    position: absolute;
    right: 0;
    left: auto;
    transform: translateX(0);
    min-width: 200px;
  }

  .page-header {
    padding: 1.5rem;
  }

  .page-title {
    font-size: 1.5rem;
  }
}

/* Extra small devices (iPhone SE, iPhone 12 mini, etc.) */
@media (max-width: 400px) {
  .navbar {
    padding: 0 0.25rem;
  }

  .navbar .container-fluid {
    gap: 0.25rem;
  }

  .navbar-brand img {
    width: 100px;
    max-height: 35px;
  }

  .mobile-sidebar-toggle {
    padding: 0.35rem 0.4rem;
    margin-right: 0;
  }

  .theme-toggle {
    margin-right: 0;
    padding: 0.35rem 0.4rem;
    min-width: 35px;
    height: 35px;
  }

  .theme-toggle i {
    font-size: 0.9rem;
  }

  .navbar .dropdown-toggle {
    padding: 0.35rem 0.4rem;
    min-width: 35px;
    height: 35px;
  }

  .navbar .dropdown-toggle .fs-4 {
    font-size: 1.25rem !important;
  }
}