/* ==========================================================================
   DON'T THINK - Design System & Stylesheet
   Static Frontend Prototype
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS CUSTOM PROPERTIES / DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Colors - Primary Palette */
  --color-primary: #4F46E5;
  --color-primary-dark: #4338CA;
  --color-primary-light: #6366F1;
  --color-secondary: #06B6D4;
  --color-secondary-dark: #0891B2;
  --color-accent: #EC4899;
  
  /* Semantic Colors */
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error: #EF4444;
  --color-info: #3B82F6;
  
  /* Neutrals - Light Mode */
  --color-background: #F9FAFB;
  --color-surface: #FFFFFF;
  --color-border: #E5E7EB;
  --color-text-primary: #111827;
  --color-text-secondary: #6B7280;
  --color-text-tertiary: #9CA3AF;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Typography */
  --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-mono: 'Courier New', Courier, monospace;
  
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  
  /* Spacing */
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  --spacing-2xl: 3rem;     /* 48px */
  --spacing-3xl: 4rem;     /* 64px */
  
  /* Border Radius */
  --radius-sm: 0.25rem;    /* 4px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 0.75rem;    /* 12px */
  --radius-xl: 1rem;       /* 16px */
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Layout */
  --sidebar-width: 260px;
  --header-height: 64px;
  --max-content-width: 1400px;
  
  /* Breakpoints (for reference in media queries) */
  /* mobile: 0-640px, tablet: 641-1024px, desktop: 1025px+ */
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --color-background: #111827;
  --color-surface: #1F2937;
  --color-border: #374151;
  --color-text-primary: #F9FAFB;
  --color-text-secondary: #D1D5DB;
  --color-text-tertiary: #9CA3AF;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.5);
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  width: 100%;
  height: 100%;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  transition: background-color var(--transition-base), color var(--transition-base);
  width: 100%;
  min-height: 100vh;
  overflow-x: hidden;
}

/* --------------------------------------------------------------------------
   TYPOGRAPHY
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

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

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

code {
  font-family: var(--font-family-mono);
  font-size: 0.9em;
  background: var(--color-border);
  padding: 0.125rem 0.25rem;
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   LAYOUT COMPONENTS
   -------------------------------------------------------------------------- */

/* Authentication Layout (Centered) */
.auth-layout {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.auth-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-2xl);
  width: 100%;
  max-width: 440px;
}

/* App Layout (Sidebar + Main) */
.app-layout {
  display: flex;
  min-height: 100vh;
  width: 100%;
  background: var(--color-background);
  position: relative;
  overflow-x: hidden;
}

.sidebar {
  width: var(--sidebar-width);
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 200;
  transition: transform var(--transition-base);
}

.sidebar-hidden {
  transform: translateX(-100%);
}

.sidebar-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.sidebar-nav {
  flex: 1;
  padding: var(--spacing-lg) var(--spacing-md);
}

.sidebar-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.nav-group {
  margin-bottom: var(--spacing-xl);
}

.nav-group-title {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-sm);
  padding: 0 var(--spacing-md);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: var(--spacing-xs);
}

.nav-item:hover {
  background: var(--color-background);
  color: var(--color-text-primary);
  text-decoration: none;
}

.nav-item.active {
  background: var(--color-primary);
  color: white;
}

.nav-item-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Main Content Area */
.main-content {
  flex: 1 1 auto;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition-base);
  min-height: 100vh;
  min-width: 0;
  background: var(--color-background);
}

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

.topbar {
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-xl);
  position: sticky;
  top: 0;
  z-index: 90;
  flex-shrink: 0;
  width: 100%;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.page-container {
  flex: 1;
  padding: var(--spacing-xl);
  max-width: var(--max-content-width);
  margin: 0 auto;
  width: 100%;
  background: var(--color-background);
}

.page-header {
  margin-bottom: var(--spacing-xl);
}

.page-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.page-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.page-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

/* --------------------------------------------------------------------------
   BUTTON COMPONENTS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  outline: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
  text-decoration: none;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-background);
  text-decoration: none;
}

.btn-success {
  background: var(--color-success);
  color: white;
}

.btn-success:hover:not(:disabled) {
  background: #059669;
  text-decoration: none;
}

.btn-danger {
  background: var(--color-error);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background: #DC2626;
  text-decoration: none;
}

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

.btn-ghost:hover:not(:disabled) {
  background: var(--color-background);
  text-decoration: none;
}

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

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
}

.btn-icon {
  padding: var(--spacing-sm);
  width: 36px;
  height: 36px;
}

/* --------------------------------------------------------------------------
   CARD COMPONENTS
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-fast);
}

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

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

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: 0;
}

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

.card-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-background);
}

/* Service Cards (Dashboard) */
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

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

.service-card-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

.service-card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.service-card-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.service-card-status {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-xs);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
}

.service-card-status.enabled {
  background: #D1FAE5;
  color: #065F46;
}

.service-card-status.disabled {
  background: #FEE2E2;
  color: #991B1B;
}

[data-theme="dark"] .service-card-status.enabled {
  background: #065F46;
  color: #D1FAE5;
}

[data-theme="dark"] .service-card-status.disabled {
  background: #991B1B;
  color: #FEE2E2;
}

/* Services Slider */
.services-slider {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.slider-container {
  overflow: hidden;
  flex: 1;
}

.slider-track {
  display: flex;
  gap: var(--spacing-lg);
  transition: transform var(--transition-base);
}

.slider-card {
  flex: 0 0 calc(33.333% - var(--spacing-lg) * 2 / 3);
  min-width: 280px;
  text-decoration: none;
  color: inherit;
}

.slider-card:hover {
  text-decoration: none;
}

.slider-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.slider-btn:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.slider-dots {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider-dot:hover,
.slider-dot.active {
  background: var(--color-primary);
}

@media (max-width: 1024px) {
  .slider-card {
    flex: 0 0 calc(50% - var(--spacing-lg) / 2);
  }
}

@media (max-width: 640px) {
  .slider-card {
    flex: 0 0 100%;
  }
  
  .slider-btn {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-sm);
  }
}

/* Stat Cards (KPIs) */
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.stat-change {
  font-size: var(--font-size-sm);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.stat-change.positive {
  color: var(--color-success);
}

.stat-change.negative {
  color: var(--color-error);
}

/* --------------------------------------------------------------------------
   FORM COMPONENTS
   -------------------------------------------------------------------------- */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.form-label-required::after {
  content: " *";
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  font-family: var(--font-family-base);
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

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

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-help {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-top: var(--spacing-xs);
}

.form-error {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: var(--spacing-xs);
}

.form-success {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-success);
  margin-top: var(--spacing-xs);
}

/* Checkbox & Radio */
.form-checkbox,
.form-radio {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  margin-bottom: var(--spacing-sm);
}

.form-checkbox input[type="checkbox"],
.form-radio input[type="radio"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-border);
  transition: var(--transition-fast);
  border-radius: var(--radius-full);
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: var(--transition-fast);
  border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--color-primary);
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(24px);
}

.toggle-switch input:disabled + .toggle-slider {
  opacity: 0.5;
  cursor: not-allowed;
}

/* --------------------------------------------------------------------------
   TAB COMPONENTS
   -------------------------------------------------------------------------- */
.tabs-container {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.tabs-nav {
  display: flex;
  gap: 0;
  background: var(--color-surface);
  border-bottom: 2px solid var(--color-border);
  padding: 0 var(--spacing-lg);
  overflow-x: auto;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none;  /* IE/Edge */
}

.tabs-nav::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}

.tab-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  position: relative;
  margin-bottom: -2px;
  outline: none;
}

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

.tab-item.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}

.tab-item:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
  border-radius: var(--radius-sm);
}

.tab-item span:first-child {
  font-size: var(--font-size-lg);
  transition: transform var(--transition-fast);
}

.tab-item:hover span:first-child,
.tab-item.active span:first-child {
  transform: scale(1.1);
}

/* Tab Content */
.tab-content {
  display: none;
  animation: fadeIn var(--transition-fast);
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Tab Content Wrapper */
.tab-content-wrapper {
  padding: var(--spacing-xl);
}

/* Tab Badge (for notifications/counts) */
.tab-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 var(--spacing-xs);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: white;
  background: var(--color-error);
  border-radius: var(--radius-full);
  margin-left: var(--spacing-xs);
}

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

/* --------------------------------------------------------------------------
   TABLE COMPONENTS
   -------------------------------------------------------------------------- */
.table-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.table-search {
  flex: 1;
  min-width: 250px;
  max-width: 400px;
  position: relative;
}

.table-search input {
  width: 100%;
  padding-left: 36px;
}

.table-search-icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-tertiary);
}

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

.table-wrapper {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table thead {
  background: var(--color-background);
}

.table th {
  padding: var(--spacing-md);
  text-align: left;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.table td {
  padding: var(--spacing-md);
  font-size: var(--font-size-sm);
  border-top: 1px solid var(--color-border);
}

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

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

.table-sortable {
  cursor: pointer;
  user-select: none;
}

.table-sortable:hover {
  color: var(--color-text-primary);
}

.table-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

/* Pagination */
.pagination {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
}

.pagination-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
  background: var(--color-background);
  border-color: var(--color-primary);
}

.pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   BADGE & STATUS COMPONENTS
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background: #EEF2FF;
  color: #4338CA;
}

.badge-success {
  background: #D1FAE5;
  color: #065F46;
}

.badge-warning {
  background: #FEF3C7;
  color: #92400E;
}

.badge-error {
  background: #FEE2E2;
  color: #991B1B;
}

.badge-info {
  background: #DBEAFE;
  color: #1E40AF;
}

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

[data-theme="dark"] .badge-primary { background: #4338CA; color: #EEF2FF; }
[data-theme="dark"] .badge-success { background: #065F46; color: #D1FAE5; }
[data-theme="dark"] .badge-warning { background: #92400E; color: #FEF3C7; }
[data-theme="dark"] .badge-error { background: #991B1B; color: #FEE2E2; }
[data-theme="dark"] .badge-info { background: #1E40AF; color: #DBEAFE; }

/* Status Dot */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: var(--spacing-xs);
}

.status-active { background: var(--color-success); }
.status-inactive { background: var(--color-text-tertiary); }
.status-pending { background: var(--color-warning); }
.status-error { background: var(--color-error); }

/* --------------------------------------------------------------------------
   MODAL COMPONENTS
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--spacing-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

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

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

.modal-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--spacing-xs);
  line-height: 1;
  transition: color var(--transition-fast);
}

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

.modal-body {
  padding: var(--spacing-xl);
}

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

/* --------------------------------------------------------------------------
   ALERT COMPONENTS
   -------------------------------------------------------------------------- */
.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid;
}

.alert-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.alert-message {
  font-size: var(--font-size-sm);
}

.alert-success {
  background: #D1FAE5;
  color: #065F46;
  border-color: var(--color-success);
}

.alert-warning {
  background: #FEF3C7;
  color: #92400E;
  border-color: var(--color-warning);
}

.alert-error {
  background: #FEE2E2;
  color: #991B1B;
  border-color: var(--color-error);
}

.alert-info {
  background: #DBEAFE;
  color: #1E40AF;
  border-color: var(--color-info);
}

[data-theme="dark"] .alert-success { background: #065F46; color: #D1FAE5; }
[data-theme="dark"] .alert-warning { background: #92400E; color: #FEF3C7; }
[data-theme="dark"] .alert-error { background: #991B1B; color: #FEE2E2; }
[data-theme="dark"] .alert-info { background: #1E40AF; color: #DBEAFE; }

/* --------------------------------------------------------------------------
   GRID SYSTEM
   -------------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* --------------------------------------------------------------------------
   UTILITY CLASSES
   -------------------------------------------------------------------------- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.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); }

.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* --------------------------------------------------------------------------
   WIZARD / STEPPER COMPONENT
   -------------------------------------------------------------------------- */
.wizard-steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.wizard-steps::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-border);
  z-index: -1;
}

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

.wizard-step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-sm);
  transition: all var(--transition-fast);
}

.wizard-step-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-tertiary);
  text-align: center;
  transition: color var(--transition-fast);
}

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

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

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

.wizard-content {
  min-height: 300px;
}

.wizard-footer {
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

/* --------------------------------------------------------------------------
   PERMISSIONS MATRIX
   -------------------------------------------------------------------------- */
.permissions-matrix {
  overflow-x: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.permissions-table {
  width: 100%;
  border-collapse: collapse;
}

.permissions-table th {
  background: var(--color-background);
  padding: var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 10;
}

.permissions-table td {
  padding: var(--spacing-md);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

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

.permissions-table .service-name {
  font-weight: 500;
  text-align: left;
}

/* --------------------------------------------------------------------------
   USER PROFILE DROPDOWN
   -------------------------------------------------------------------------- */
.user-menu {
  position: relative;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

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

.user-dropdown {
  position: absolute;
  top: calc(100% + var(--spacing-sm));
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 100;
}

.user-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown-header {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.user-dropdown-name {
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.user-dropdown-email {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.user-dropdown-menu {
  padding: var(--spacing-sm);
}

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

/* --------------------------------------------------------------------------
   RESPONSIVE DESIGN
   -------------------------------------------------------------------------- */

/* Tablet (641-1024px) */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 220px;
    --spacing-xl: 1.5rem;
    --spacing-2xl: 2rem;
  }
  
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .page-container {
    padding: var(--spacing-lg);
  }
  
  /* Responsive tabs */
  .tab-item {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-xs);
  }
  
  .tab-item span:first-child {
    font-size: var(--font-size-base);
  }
}

/* --------------------------------------------------------------------------
   TOAST NOTIFICATIONS
   -------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 420px;
  width: 100%;
  pointer-events: none;
}

.toast {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-md);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateX(100%);
  transition: all var(--transition-base);
  pointer-events: auto;
  border-left: 4px solid var(--color-info);
}

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

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

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

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

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

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

.toast-loading {
  border-left-color: var(--color-primary);
}

.toast-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

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

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

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

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

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

.toast-icon .spinner {
  animation: spin 1s linear infinite;
}

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

.toast-content {
  flex: 1;
  min-width: 0;
}

.toast-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0;
}

.toast-message {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
  line-height: 1.4;
}

.toast-close {
  flex-shrink: 0;
  background: none;
  border: none;
  padding: 0;
  width: 20px;
  height: 20px;
  cursor: pointer;
  color: var(--color-text-tertiary);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.toast-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: currentColor;
  opacity: 0.3;
  animation: toast-progress linear forwards;
}

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

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

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

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

.toast-loading .toast-progress {
  color: var(--color-primary);
}

@keyframes toast-progress {
  from { width: 100%; }
  to { width: 0%; }
}

/* --------------------------------------------------------------------------
   SKELETON LOADERS
   -------------------------------------------------------------------------- */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-border) 0%,
    var(--color-background) 50%,
    var(--color-border) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

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

/* Skeleton Table */
.skeleton-table {
  width: 100%;
}

.skeleton-row {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.skeleton-cell {
  height: 20px;
  flex: 1;
  background: linear-gradient(
    90deg,
    var(--color-border) 0%,
    var(--color-background) 50%,
    var(--color-border) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-cell:first-child {
  flex: 2;
}

/* Skeleton Card */
.skeleton-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}

.skeleton-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: linear-gradient(
    90deg,
    var(--color-border) 0%,
    var(--color-background) 50%,
    var(--color-border) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.skeleton-text {
  height: 16px;
  background: linear-gradient(
    90deg,
    var(--color-border) 0%,
    var(--color-background) 50%,
    var(--color-border) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-sm);
}

.skeleton-text-short {
  width: 60%;
}

.skeleton-text-long {
  width: 100%;
}

.skeleton-button {
  height: 40px;
  width: 120px;
  background: linear-gradient(
    90deg,
    var(--color-border) 0%,
    var(--color-background) 50%,
    var(--color-border) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* Skeleton Form */
.skeleton-form-group {
  margin-bottom: var(--spacing-lg);
}

.skeleton-label {
  height: 14px;
  width: 100px;
  background: linear-gradient(
    90deg,
    var(--color-border) 0%,
    var(--color-background) 50%,
    var(--color-border) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-sm);
}

.skeleton-input {
  height: 42px;
  width: 100%;
  background: linear-gradient(
    90deg,
    var(--color-border) 0%,
    var(--color-background) 50%,
    var(--color-border) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* Loading Overlay */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(2px);
}

[data-theme="dark"] .loading-overlay {
  background: rgba(0, 0, 0, 0.8);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-text {
  margin-top: var(--spacing-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   RESPONSIVE DESIGN - MEDIA QUERIES
   -------------------------------------------------------------------------- */

/* Mobile (0-640px) */
@media (max-width: 640px) {
  :root {
    --sidebar-width: 100%;
    --font-size-3xl: 1.5rem;
    --font-size-4xl: 1.875rem;
  }
  
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.active {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .topbar {
    padding: 0 var(--spacing-md);
  }
  
  .page-container {
    padding: var(--spacing-md);
  }
  
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
  
  .table-header {
    flex-direction: column;
    align-items: stretch;
  }
  
  .table-search {
    max-width: 100%;
  }
  
  /* Mobile tabs - show only icons or stack vertically */
  .tabs-nav {
    padding: 0 var(--spacing-sm);
  }
  
  .tab-item {
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    font-size: 0.625rem; /* 10px */
    min-width: 60px;
  }
  
  .tab-item span:first-child {
    font-size: var(--font-size-lg);
  }
  
  .tab-item span:last-child {
    display: block;
    line-height: 1.2;
  }
  
  .tab-content-wrapper {
    padding: var(--spacing-md);
  }
  
  .table-footer {
    flex-direction: column;
    align-items: stretch;
  }
  
  .pagination {
    justify-content: center;
  }
  
  .wizard-steps {
    flex-direction: column;
  }
  
  .wizard-steps::before {
    display: none;
  }
  
  .wizard-step {
    flex-direction: row;
    justify-content: flex-start;
    margin-bottom: var(--spacing-md);
  }
  
  .wizard-step-number {
    margin-right: var(--spacing-md);
    margin-bottom: 0;
  }
  
  .wizard-step-label {
    text-align: left;
  }
  
  .auth-card {
    padding: var(--spacing-lg);
  }
  
  .modal {
    margin: var(--spacing-md);
  }
  
  .page-actions {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
  
  .toast-container {
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    left: var(--spacing-sm);
    max-width: none;
  }
  
  .toast {
    padding: var(--spacing-sm);
  }
}

/* Print Styles */
@media print {
  .sidebar,
  .topbar,
  .btn,
  .page-actions {
    display: none;
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .card,
  .table-container {
    box-shadow: none;
    border: 1px solid #000;
  }
}