/* ==========================================================================
   FőnixApp - Main Styles
   Modern Light Theme with Teal Sidebar & Orange Accents
   Redesigned with smooth animations and modern UI patterns
   ========================================================================== */

:root {
  /* Sidebar Colors - Teal Theme */
  --color-sidebar-bg: #1B4B5A;
  --color-sidebar-bg-dark: #164050;
  --color-sidebar-hover: rgba(255, 255, 255, 0.1);
  --color-sidebar-active: rgba(255, 255, 255, 0.15);
  --color-sidebar-text: #FFFFFF;
  --color-sidebar-text-inactive: rgba(255, 255, 255, 0.7);

  /* Main Content Colors */
  --color-main-bg: #E8EDEF;
  --color-card-bg: #FFFFFF;

  /* Accent Colors (CTA Buttons) - Orange */
  --color-accent: #FF6B35;
  --color-accent-hover: #FF8556;
  --color-accent-dark: #E55A2B;
  --color-accent-light: rgba(255, 107, 53, 0.1);
  --color-accent-dim: rgba(255, 107, 53, 0.08);
  --color-accent-glow: rgba(255, 107, 53, 0.4);

  /* Secondary Button Colors */
  --color-secondary: #1B4B5A;
  --color-secondary-hover: #235A6C;
  --color-secondary-light: rgba(27, 75, 90, 0.1);

  /* Text Colors */
  --color-text-primary: #1A202C;
  --color-text-secondary: #4A5568;
  --color-text-muted: #A0AEC0;
  --color-text-light: #718096;

  /* Borders & Backgrounds */
  --color-border: #E2E8F0;
  --color-border-light: #EDF2F7;
  --color-border-medium: #CBD5E0;
  --color-bg-hover: rgba(0, 0, 0, 0.02);
  --color-bg-tertiary: #F7FAFC;

  /* Status Colors */
  --color-success: #10B981;
  --color-success-light: #D1FAE5;
  --color-warning: #F59E0B;
  --color-warning-light: #FEF3C7;
  --color-error: #EF4444;
  --color-error-light: #FEE2E2;
  --color-info: #3B82F6;
  --color-info-light: #DBEAFE;

  /* Badge Colors */
  --color-success-bg: #D1FAE5;
  --color-success-text: #065F46;
  --color-warning-bg: #FEF3C7;
  --color-warning-text: #92400E;
  --color-error-bg: #FEE2E2;
  --color-error-text: #991B1B;
  --color-info-bg: #DBEAFE;
  --color-info-text: #1E40AF;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;

  /* Border Radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.08), 0 5px 15px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 10px 25px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 30px rgba(255, 107, 53, 0.3);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.02);
  --shadow-card-hover: 0 8px 25px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);

  /* Layout */
  --sidebar-width: 250px;
  --sidebar-collapsed-width: 80px;
  --header-height: 72px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-spring: 400ms cubic-bezier(0.175, 0.885, 0.32, 1.275);

  /* Font */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ==========================================================================
   Dark Mode Theme
   ========================================================================== */

[data-theme="dark"] {
  /* Sidebar Colors - Darker Teal */
  --color-sidebar-bg: #0F2D36;
  --color-sidebar-bg-dark: #0A1F26;
  --color-sidebar-hover: rgba(255, 255, 255, 0.08);
  --color-sidebar-active: rgba(255, 255, 255, 0.12);

  /* Main Content Colors */
  --color-main-bg: #0D1B1F;
  --color-card-bg: #152A31;

  /* Text Colors */
  --color-text-primary: #E8F0F2;
  --color-text-secondary: #A0B4BA;
  --color-text-muted: #6B8A94;
  --color-text-light: #7A9AA5;

  /* Borders & Backgrounds */
  --color-border: #1E3A42;
  --color-border-light: #1A3038;
  --color-border-medium: #2A4A54;
  --color-bg-hover: rgba(255, 255, 255, 0.04);
  --color-bg-tertiary: #0F2228;

  /* Status Colors - Slightly adjusted for dark mode */
  --color-success-bg: rgba(16, 185, 129, 0.15);
  --color-success-text: #34D399;
  --color-warning-bg: rgba(245, 158, 11, 0.15);
  --color-warning-text: #FBBF24;
  --color-error-bg: rgba(239, 68, 68, 0.15);
  --color-error-text: #F87171;
  --color-info-bg: rgba(59, 130, 246, 0.15);
  --color-info-text: #60A5FA;

  /* Shadows - Darker */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2), 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25), 0 2px 6px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.3), 0 5px 15px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.4), 0 10px 25px rgba(0, 0, 0, 0.25);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.2), 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-card-hover: 0 8px 25px rgba(0, 0, 0, 0.3), 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Dark mode specific overrides */
[data-theme="dark"] .header {
  background-color: rgba(21, 42, 49, 0.95);
  border-bottom-color: var(--color-border);
}

[data-theme="dark"] .card-header {
  background: linear-gradient(180deg, var(--color-card-bg) 0%, var(--color-bg-tertiary) 100%);
}

[data-theme="dark"] .table th {
  background-color: var(--color-bg-tertiary);
}

[data-theme="dark"] .loading-overlay {
  background-color: rgba(13, 27, 31, 0.9);
}

[data-theme="dark"] .skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-tertiary) 0%,
    var(--color-border) 50%,
    var(--color-bg-tertiary) 100%
  );
  background-size: 200% 100%;
}

[data-theme="dark"] .modal-footer {
  background-color: var(--color-bg-tertiary);
}

[data-theme="dark"] .login-card {
  background: rgba(21, 42, 49, 0.98);
  border-color: var(--color-border);
}

[data-theme="dark"] .login-header h1 {
  color: var(--color-text-primary);
}

[data-theme="dark"] .login-form .form-control {
  background-color: var(--color-bg-tertiary);
  border-color: var(--color-border);
  color: var(--color-text-primary);
}

[data-theme="dark"] .login-form .form-control:focus {
  background-color: var(--color-card-bg);
}

[data-theme="dark"] .toast {
  background-color: var(--color-card-bg);
  border-color: var(--color-border);
}

[data-theme="dark"] .modal {
  background-color: var(--color-card-bg);
}

/* Dark mode scrollbar */
[data-theme="dark"] ::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
  background: var(--color-bg-tertiary);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background: var(--color-border-medium);
  border-radius: 4px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-main-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

/* Focus styles for accessibility */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Selection color */
::selection {
  background-color: var(--color-accent-light);
  color: var(--color-accent-dark);
}

/* ==========================================================================
   App Layout
   ========================================================================== */

#app {
  display: flex;
  min-height: 100vh;
}

/* ==========================================================================
   Sidebar Navigation
   ========================================================================== */

.sidebar {
  width: var(--sidebar-width);
  background: linear-gradient(180deg, var(--color-sidebar-bg) 0%, var(--color-sidebar-bg-dark) 100%);
  box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: width var(--transition-slow), transform var(--transition-slow);
}

.sidebar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 150px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
  pointer-events: none;
}

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

.sidebar.collapsed .logo-text,
.sidebar.collapsed .nav-text,
.sidebar.collapsed .nav-arrow {
  opacity: 0;
  visibility: hidden;
}

.sidebar-header {
  padding: var(--spacing-xl) var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
}

.logo {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.logo-icon {
  width: 80px;
  height: 96px;
  filter: drop-shadow(0 2px 8px rgba(255, 140, 66, 0.4));
  animation: floatIcon 3s ease-in-out infinite;
  object-fit: contain;
}

@keyframes floatIcon {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

.logo-text {
  position: absolute;
  left: 82px;
  top: 29px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-sidebar-text);
  letter-spacing: -0.5px;
  transition: opacity var(--transition-normal);
}

.logo-text-accent {
  color: var(--color-accent);
}

.sidebar-nav {
  flex: 1;
  padding: var(--spacing-lg) var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  overflow-y: auto;
  overflow-x: hidden;
}

/* Custom scrollbar for sidebar */
.sidebar-nav::-webkit-scrollbar {
  width: 4px;
}

.sidebar-nav::-webkit-scrollbar-track {
  background: transparent;
}

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

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: 14px 18px;
  border-radius: var(--radius-lg);
  color: var(--color-sidebar-text-inactive);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.nav-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%) scaleY(0);
  width: 4px;
  height: 60%;
  background: var(--color-accent);
  border-radius: 0 4px 4px 0;
  transition: transform var(--transition-normal);
}

.nav-item:hover {
  background-color: var(--color-sidebar-hover);
  color: var(--color-sidebar-text);
  transform: translateX(4px);
}

.nav-item.active {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  color: var(--color-sidebar-text);
  box-shadow: 0 4px 15px var(--color-accent-glow);
}

.nav-item.active::before {
  transform: translateY(-50%) scaleY(1);
  background: white;
}

.nav-icon {
  font-size: 1.25rem;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
}

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

.nav-text {
  font-weight: 500;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: opacity var(--transition-normal);
}

/* Navigation Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  justify-content: space-between;
  cursor: pointer;
}

.nav-arrow {
  font-size: 0.7rem;
  margin-left: auto;
  transition: transform var(--transition-normal);
  opacity: 0.7;
}

.nav-dropdown.open .nav-arrow {
  transform: rotate(-180deg);
}

.nav-dropdown-menu {
  display: none;
  flex-direction: column;
  gap: 2px;
  margin-left: var(--spacing-xl);
  margin-top: var(--spacing-xs);
  padding-left: var(--spacing-md);
  border-left: 2px solid rgba(255, 255, 255, 0.15);
  animation: slideDown var(--transition-normal);
}

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

.nav-dropdown.open .nav-dropdown-menu {
  display: flex;
}

.nav-subitem {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
}

.nav-subitem .nav-icon {
  font-size: 1rem;
  width: 20px;
  height: 20px;
}

/* Sidebar Footer - User Menu */
.sidebar-footer {
  padding: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: auto;
}

.sidebar-user-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  cursor: default;
}

.sidebar-user-menu:hover {
  background-color: var(--color-sidebar-hover);
}

.sidebar-user-menu .user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
}

.sidebar-user-menu .avatar-initials {
  font-weight: 600;
  font-size: 0.875rem;
  color: white;
}

.sidebar-user-name {
  color: var(--color-sidebar-text);
  font-size: 0.9rem;
  font-weight: 500;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: opacity var(--transition-normal);
}

.sidebar-logout-btn.btn-icon {
  color: var(--color-accent);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.sidebar-logout-btn.btn-icon:hover {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--color-accent-hover);
}

/* Collapsed sidebar user menu */
.sidebar.collapsed .sidebar-user-name {
  opacity: 0;
  visibility: hidden;
  width: 0;
}

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

.sidebar.collapsed .sidebar-logout-btn {
  position: absolute;
  opacity: 0;
  visibility: hidden;
}

/* ==========================================================================
   Main Content
   ========================================================================== */

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition-slow);
  background: var(--color-main-bg);
}

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

/* ==========================================================================
   Header
   ========================================================================== */

.header {
  height: var(--header-height);
  background-color: var(--color-card-bg);
  border-bottom: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  padding: 0 var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
  background-color: rgba(255, 255, 255, 0.95);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex: 0 0 auto;
}

.header-center {
  flex: 1;
  display: flex;
  justify-content: center;
  max-width: 600px;
  margin: 0 var(--spacing-xl);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex: 0 0 auto;
}

.page-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.3px;
}

/* Search Bar */
.search-bar {
  position: relative;
  width: 100%;
  max-width: 450px;
}

.search-input {
  width: 100%;
  padding: 12px 44px 12px 18px;
  border: 2px solid var(--color-border-light);
  border-radius: var(--radius-full);
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  font-size: 0.9rem;
  transition: all var(--transition-normal);
}

.search-input:hover {
  border-color: var(--color-border-medium);
  background-color: var(--color-card-bg);
}

.search-input:focus {
  outline: none;
  background-color: var(--color-card-bg);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-light);
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

.search-icon {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* User Menu */
.user-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.user-menu:hover {
  background-color: var(--color-bg-hover);
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  border: 2px solid var(--color-card-bg);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: transform var(--transition-fast);
}

.user-menu:hover .user-avatar {
  transform: scale(1.05);
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-initials {
  font-weight: 600;
  font-size: 0.875rem;
  color: white;
}

.user-name {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ==========================================================================
   Page Container
   ========================================================================== */

.page-container {
  flex: 1;
  padding: var(--spacing-xl);
  overflow-y: auto;
  background-color: var(--color-main-bg);
  animation: fadeIn var(--transition-normal);
}

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

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow), height var(--transition-slow);
}

.btn:active::after {
  width: 200%;
  height: 200%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  color: white;
  box-shadow: 0 4px 14px var(--color-accent-glow);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--color-accent-glow);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--color-card-bg);
  color: var(--color-text-secondary);
  border: 2px solid var(--color-border);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-bg-tertiary);
  border-color: var(--color-border-medium);
  color: var(--color-text-primary);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--color-accent-light);
}

.btn-danger {
  background: linear-gradient(135deg, var(--color-error) 0%, #dc2626 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

.btn-success {
  background: linear-gradient(135deg, var(--color-success) 0%, #16a34a 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-success:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.btn-info {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  font-weight: 600;
}

.btn-info:hover:not(:disabled) {
  background-color: var(--color-accent);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--color-accent-glow);
}

.btn-icon {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 1.25rem;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  background-color: var(--color-bg-hover);
  color: var(--color-text-primary);
  transform: scale(1.05);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all var(--transition-normal);
}

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

.card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(180deg, var(--color-card-bg) 0%, var(--color-bg-tertiary) 100%);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.card-title-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.card-body {
  padding: var(--spacing-lg);
}

.card-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--color-border-light);
  background-color: var(--color-bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.form-input,
.form-select,
.form-textarea,
.form-control {
  width: 100%;
  padding: 12px 16px;
  background-color: var(--color-card-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: 0.9rem;
  transition: all var(--transition-normal);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover,
.form-control:hover {
  border-color: var(--color-border-medium);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus,
.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-light);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 4px var(--color-error-light);
}

.form-error {
  color: var(--color-error);
  font-size: 0.75rem;
  margin-top: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.form-hint {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  margin-top: var(--spacing-xs);
}

/* ==========================================================================
   Tables
   ========================================================================== */

.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
}

.table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-card-bg);
}

.table th,
.table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
}

.table th {
  font-weight: 600;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background-color: var(--color-bg-tertiary);
  position: sticky;
  top: 0;
}

.table td {
  color: var(--color-text-primary);
  font-size: 0.9rem;
}

.table tbody tr {
  transition: all var(--transition-fast);
}

.table tbody tr:hover {
  background-color: var(--color-bg-hover);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

.table td.error {
  background-color: var(--color-error-light);
}

.table td.warning {
  background-color: var(--color-warning-light);
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.toast {
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  animation: toastSlideIn var(--transition-spring);
  min-width: 320px;
  max-width: 480px;
}

@keyframes toastSlideIn {
  from {
    transform: translateX(120%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

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

.toast.success .toast-icon {
  color: var(--color-success);
}

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

.toast.error .toast-icon {
  color: var(--color-error);
}

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

.toast.warning .toast-icon {
  color: var(--color-warning);
}

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

.toast.info .toast-icon {
  color: var(--color-info);
}

.toast-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.toast-message {
  flex: 1;
  font-size: 0.9rem;
  color: var(--color-text-primary);
  font-weight: 500;
}

.toast-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-size: 1.25rem;
  line-height: 1;
}

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

/* ==========================================================================
   Modal
   ========================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.modal {
  background-color: var(--color-card-bg);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-spring);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

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

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.modal-close {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  border-radius: var(--radius-md);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.modal-body {
  padding: var(--spacing-xl);
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  background-color: var(--color-bg-tertiary);
}

/* ==========================================================================
   Loading States
   ========================================================================== */

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

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

.loading-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  z-index: 50;
  animation: fadeIn var(--transition-fast);
}

.loading-text {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-tertiary) 0%,
    var(--color-border-light) 50%,
    var(--color-bg-tertiary) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

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

/* ==========================================================================
   Badges & Status
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  gap: var(--spacing-xs);
  transition: all var(--transition-fast);
}

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

.badge-warning {
  background-color: var(--color-warning-bg);
  color: var(--color-warning-text);
}

.badge-error,
.badge-danger {
  background-color: var(--color-error-bg);
  color: var(--color-error-text);
}

.badge-info {
  background-color: var(--color-info-bg);
  color: var(--color-info-text);
}

.badge-neutral {
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}

/* Status Dot */
.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  animation: pulse 2s infinite;
}

.status-dot.active {
  background-color: var(--color-success);
}

.status-dot.inactive {
  background-color: var(--color-text-muted);
  animation: none;
}

.status-dot.pending {
  background-color: var(--color-warning);
}

.status-dot.error {
  background-color: var(--color-error);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.1); }
}

/* ==========================================================================
   Toggle Switch
   ========================================================================== */

.toggle-switch {
  position: relative;
  width: 52px;
  height: 28px;
  background-color: var(--color-border-medium);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
  display: inline-block;
}

.toggle-switch.active {
  background: linear-gradient(135deg, var(--color-success) 0%, #16a34a 100%);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  background-color: white;
  border-radius: 50%;
  top: 3px;
  left: 3px;
  transition: transform var(--transition-bounce);
  box-shadow: var(--shadow-sm);
}

.toggle-switch.active::after {
  transform: translateX(24px);
}

.toggle-switch:hover::after {
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Avatar
   ========================================================================== */

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-sidebar-bg-dark) 100%);
  border: 3px solid var(--color-card-bg);
  box-shadow: var(--shadow-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  overflow: hidden;
  transition: all var(--transition-fast);
}

.avatar:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: 0.75rem;
  border-width: 2px;
}

.avatar-md {
  width: 44px;
  height: 44px;
  font-size: 0.9rem;
}

.avatar-lg {
  width: 64px;
  height: 64px;
  font-size: 1.25rem;
  border-width: 4px;
}

.avatar-xl {
  width: 88px;
  height: 88px;
  font-size: 1.75rem;
  border-width: 4px;
}

/* Avatar Group */
.avatar-group {
  display: flex;
}

.avatar-group .avatar {
  margin-left: -12px;
  border: 3px solid var(--color-card-bg);
}

.avatar-group .avatar:first-child {
  margin-left: 0;
}

/* ==========================================================================
   Stats Grid
   ========================================================================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-card:hover::before {
  transform: scaleX(1);
}

.stat-card-icon {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-accent);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1.2;
}

.stat-card-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.stat-card-trend {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: var(--spacing-sm);
}

.stat-card-trend.up {
  background-color: var(--color-success-bg);
  color: var(--color-success-text);
}

.stat-card-trend.down {
  background-color: var(--color-error-bg);
  color: var(--color-error-text);
}

/* ==========================================================================
   Login Page Styles
   ========================================================================== */

.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1B4B5A 0%, #0F2D36 50%, #0A1F26 100%);
  padding: var(--spacing-xl);
  position: relative;
  overflow: hidden;
}

/* Animated background elements */
.login-container::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 70%, rgba(255, 107, 53, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 70% 30%, rgba(255, 138, 91, 0.1) 0%, transparent 40%);
  animation: backgroundPulse 15s ease-in-out infinite;
}

@keyframes backgroundPulse {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-5%, 5%) scale(1.05); }
}

.login-container::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.3), transparent);
  pointer-events: none;
}

.login-card {
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-2xl);
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.3);
  padding: var(--spacing-3xl) var(--spacing-2xl);
  width: 100%;
  max-width: 440px;
  animation: loginCardAppear 0.6s var(--transition-spring);
  position: relative;
  z-index: 1;
}

@keyframes loginCardAppear {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.login-header h1 {
  font-size: 2.75rem;
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--color-sidebar-bg);
  font-weight: 700;
  letter-spacing: -1px;
  animation: logoAppear 0.8s var(--transition-spring) 0.2s both;
}

@keyframes logoAppear {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.login-header p {
  color: var(--color-text-secondary);
  margin: 0;
  font-size: 1.1rem;
  font-weight: 500;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.login-form .form-group {
  margin-bottom: 0;
  animation: formFieldAppear 0.5s var(--transition-spring) both;
}

.login-form .form-group:nth-child(1) { animation-delay: 0.3s; }
.login-form .form-group:nth-child(2) { animation-delay: 0.4s; }

@keyframes formFieldAppear {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.login-form label {
  font-weight: 600;
  color: var(--color-text-primary);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.login-form .form-control {
  background-color: var(--color-bg-tertiary);
  border: 2px solid var(--color-border);
  padding: 14px 18px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.login-form .form-control:focus {
  background-color: var(--color-card-bg);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-light);
}

.login-form .btn-block {
  width: 100%;
  padding: 16px;
  font-size: 1rem;
  font-weight: 600;
  margin-top: var(--spacing-md);
  border-radius: var(--radius-lg);
  animation: formFieldAppear 0.5s var(--transition-spring) 0.5s both;
}

.login-form .btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  box-shadow: 0 6px 20px var(--color-accent-glow);
}

.login-form .btn-primary:hover:not(:disabled) {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px var(--color-accent-glow);
}

.login-footer {
  margin-top: var(--spacing-xl);
  text-align: center;
  animation: fadeIn var(--transition-slow) 0.7s both;
}

.login-footer .text-muted {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Empty State
   ========================================================================== */

.empty-state {
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-xl);
  color: var(--color-text-muted);
}

.empty-state-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.5;
}

.empty-state-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.empty-state-description {
  font-size: 0.9rem;
  max-width: 400px;
  margin: 0 auto var(--spacing-lg);
  line-height: 1.6;
}

/* ==========================================================================
   Pagination
   ========================================================================== */

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

.pagination-btn {
  padding: 10px 16px;
  background-color: var(--color-card-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-weight: 500;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
  background-color: var(--color-bg-tertiary);
  border-color: var(--color-border-medium);
  color: var(--color-text-primary);
  transform: translateY(-1px);
}

.pagination-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination-btn.active {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  border-color: var(--color-accent);
  color: white;
  box-shadow: 0 2px 8px var(--color-accent-glow);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }
.text-warning { color: var(--color-warning); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .header-center {
    display: none;
  }
}

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

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

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

  .page-container {
    padding: var(--spacing-md);
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
  }

  .login-card {
    padding: var(--spacing-xl) var(--spacing-lg);
  }

  .login-header h1 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .header {
    padding: 0 var(--spacing-md);
  }

  .page-title {
    font-size: 1.125rem;
  }

  .user-name {
    display: none;
  }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
  .sidebar,
  .header,
  .btn,
  .toast-container {
    display: none !important;
  }

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

  .page-container {
    padding: 0;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}

/* ==========================================================================
   Page Header Section (Unified)
   ========================================================================== */

.page-header-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-card-bg) 0%, var(--color-bg-tertiary) 100%);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.page-header-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.page-header-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-sidebar-bg) 0%, var(--color-sidebar-bg-dark) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 12px rgba(27, 75, 90, 0.3);
}

.page-header-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 4px 0;
}

.page-header-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin: 0;
}

.page-header-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* ==========================================================================
   Calendar Page Styles
   ========================================================================== */

.calendar-page {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* Calendar Controls */
.calendar-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  gap: var(--spacing-lg);
}

.calendar-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.calendar-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 var(--spacing-md);
  min-width: 200px;
}

.calendar-filters {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.calendar-filters .form-control {
  min-width: 160px;
  max-width: 200px;
}

.calendar-filters .form-control:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* View Toggle */
.view-toggle {
  display: flex;
  gap: var(--spacing-xs);
  background: var(--color-bg-tertiary);
  padding: var(--spacing-xs);
  border-radius: var(--radius-md);
}

.view-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-secondary);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.view-btn:hover {
  background: var(--color-card-bg);
  color: var(--color-text-primary);
}

.view-btn.active {
  background: var(--color-card-bg);
  color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

/* Calendar Layout */
.calendar-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--spacing-lg);
}

.calendar-main {
  min-height: 600px;
}

.calendar-container {
  height: 100%;
  min-height: 550px;
}

/* Calendar Grid - Month View */
.calendar-grid.month-view {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.calendar-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  border-bottom: 1px solid var(--color-border-light);
}

.calendar-header-cell {
  padding: var(--spacing-md);
  text-align: center;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.calendar-body {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  flex: 1;
}

.calendar-day {
  min-height: 100px;
  padding: var(--spacing-sm);
  border-right: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  position: relative;
  transition: background-color var(--transition-fast);
}

.calendar-day:nth-child(7n) {
  border-right: none;
}

.calendar-day:hover {
  background-color: var(--color-bg-tertiary);
}

.calendar-day.other-month {
  background-color: var(--color-bg-tertiary);
  opacity: 0.6;
}

.calendar-day.today {
  background-color: var(--color-info-light);
}

.calendar-day.today .day-number {
  background: var(--color-info);
  color: white;
  border-radius: var(--radius-full);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.day-number {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.day-events {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}

/* Event Chip */
.event-chip {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 2px var(--spacing-xs);
  background: var(--color-card-bg);
  border-left: 3px solid var(--color-info);
  border-radius: var(--radius-xs);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  overflow: hidden;
  white-space: nowrap;
}

.event-chip:hover {
  background: var(--color-bg-tertiary);
  transform: translateX(2px);
}

.event-time {
  font-weight: 600;
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.event-title {
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
}

.more-events {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  padding: 2px var(--spacing-xs);
  cursor: pointer;
}

.more-events:hover {
  color: var(--color-accent);
}

/* Add Event Button */
.add-event-btn {
  position: absolute;
  bottom: var(--spacing-xs);
  right: var(--spacing-xs);
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--transition-fast);
}

.calendar-day:hover .add-event-btn {
  opacity: 1;
}

.add-event-btn:hover {
  background: var(--color-accent-hover);
  transform: scale(1.1);
}

/* Calendar Grid - Week View */
.calendar-grid.week-view {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 550px;
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}

.week-header {
  display: grid;
  grid-template-columns: 60px repeat(7, 1fr);
  border-bottom: 2px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-card-bg);
  z-index: 10;
}

.time-column-header {
  padding: var(--spacing-md);
}

.week-day-header {
  padding: var(--spacing-md);
  text-align: center;
  border-left: 1px solid var(--color-border-light);
}

.week-day-header.today {
  background: var(--color-info-light);
}

.day-name {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.day-date {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.week-body {
  flex: 1;
  overflow-y: auto;
  background: var(--color-card-bg);
}

.week-row {
  display: grid;
  grid-template-columns: 60px repeat(7, 1fr);
  min-height: 60px;
  border-bottom: 1px solid var(--color-border-light);
}

.week-row:last-child {
  border-bottom: none;
}

.time-cell {
  padding: var(--spacing-sm);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: right;
  border-right: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.week-cell {
  padding: var(--spacing-xs);
  border-right: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  min-height: 60px;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.week-cell:hover {
  background-color: var(--color-bg-tertiary);
}

.week-cell:last-child {
  border-right: none;
}

/* Event Card (Week View) */
.event-card {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-card-bg);
  border-left: 3px solid var(--color-info);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-xs);
}

.event-card:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.event-card.priority-low {
  border-left-color: var(--color-info);
}

.event-card.priority-normal {
  border-left-color: var(--color-text-secondary);
}

.event-card.priority-high {
  border-left-color: var(--color-warning);
}

.event-card.priority-urgent {
  border-left-color: var(--color-error);
}

.event-card-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.event-card-house {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.event-card-owner {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 2px;
}

.event-card-notes {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Calendar Sidebar */
.calendar-sidebar {
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 300px);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-light);
}

.sidebar-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md);
}

/* Unscheduled Ticket */
.unscheduled-ticket {
  position: relative;
  padding: var(--spacing-md);
  padding-left: calc(var(--spacing-md) + 20px);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  border-left: 3px solid var(--color-text-secondary);
  cursor: grab;
  transition: all var(--transition-fast);
}

.unscheduled-ticket .drag-handle {
  position: absolute;
  left: 4px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  opacity: 0.4;
  display: flex;
  align-items: center;
  transition: opacity var(--transition-fast);
}

.unscheduled-ticket:hover .drag-handle {
  opacity: 0.8;
}

.unscheduled-ticket:hover {
  background: var(--color-card-bg);
  box-shadow: var(--shadow-sm);
}

.unscheduled-ticket.priority-low {
  border-left-color: var(--color-info);
}

.unscheduled-ticket.priority-normal {
  border-left-color: var(--color-text-secondary);
}

.unscheduled-ticket.priority-high {
  border-left-color: var(--color-warning);
}

.unscheduled-ticket.priority-urgent {
  border-left-color: var(--color-error);
}

.ticket-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
}

.ticket-title {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-primary);
  flex: 1;
}

.ticket-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.ticket-house,
.ticket-owner {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.ticket-owner {
  color: var(--color-text-muted);
}

.unscheduled-ticket .schedule-btn {
  width: 100%;
  margin-top: var(--spacing-sm);
}

/* Drag and Drop */
.calendar-day.drag-over,
.week-cell.drag-over {
  background-color: var(--color-accent-light) !important;
  outline: 2px dashed var(--color-accent);
  outline-offset: -2px;
  transform: scale(1.02);
  transition: all 0.15s ease;
}

.unscheduled-ticket.dragging {
  opacity: 0.5;
  cursor: grabbing;
  transform: rotate(2deg);
}

/* Empty State */
.calendar-sidebar .empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  color: var(--color-text-muted);
  text-align: center;
}

.calendar-sidebar .empty-state svg {
  color: var(--color-success);
  margin-bottom: var(--spacing-md);
}

/* Schedule Form */
.schedule-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.recurring-options,
.reminder-options {
  padding: var(--spacing-md);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-sm);
}

/* Event Details Modal */
.event-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.event-detail-header {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.event-detail-header h3 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--color-text-primary);
}

.event-badges {
  display: flex;
  gap: var(--spacing-sm);
}

.event-section {
  padding: var(--spacing-md);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
}

.event-section h4 {
  margin: 0 0 var(--spacing-sm) 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.event-section p {
  margin: 0;
  color: var(--color-text-primary);
}

.event-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.event-info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.event-info-item svg {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

/* Badge Small */
.badge-sm {
  font-size: 0.6875rem;
  padding: 2px 6px;
}

/* Calendar Responsive */
@media (max-width: 1200px) {
  .calendar-layout {
    grid-template-columns: 1fr;
  }

  .calendar-sidebar {
    max-height: 400px;
  }
}

@media (max-width: 768px) {
  .calendar-controls {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-md);
  }

  .calendar-nav {
    justify-content: center;
  }

  .calendar-title {
    text-align: center;
    min-width: auto;
  }

  .calendar-filters {
    justify-content: center;
  }

  .calendar-day {
    min-height: 70px;
    padding: var(--spacing-xs);
  }

  .day-number {
    font-size: 0.75rem;
  }

  .event-chip {
    font-size: 0.6875rem;
  }

  .view-toggle {
    justify-content: center;
  }

  .schedule-form .form-row {
    grid-template-columns: 1fr;
  }

  .event-info-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Theme Toggle Button
   ========================================================================== */

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  position: relative;
}

.theme-toggle:hover {
  background-color: var(--color-card-bg);
  border-color: var(--color-border-medium);
  color: var(--color-accent);
}

.theme-toggle svg {
  transition: transform var(--transition-normal), opacity var(--transition-fast);
}

.theme-toggle .sun-icon {
  position: absolute;
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
}

.theme-toggle .moon-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme="dark"] .theme-toggle .sun-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme="dark"] .theme-toggle .moon-icon {
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
}

/* Sidebar theme toggle */
.sidebar-theme-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--color-sidebar-text-inactive);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-theme-toggle:hover {
  background-color: var(--color-sidebar-hover);
  color: var(--color-sidebar-text);
  border-color: rgba(255, 255, 255, 0.2);
}

.sidebar-theme-toggle .theme-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-theme-toggle .theme-label {
  font-size: 0.875rem;
  font-weight: 500;
  transition: opacity var(--transition-normal);
  white-space: nowrap;
}

.sidebar.collapsed .sidebar-theme-toggle .theme-label {
  opacity: 0;
  visibility: hidden;
  width: 0;
}

.sidebar.collapsed .sidebar-theme-toggle {
  justify-content: center;
  padding: var(--spacing-sm);
}