/* ========================================
   HYROS-STYLE DARK THEME DESIGN SYSTEM
   ======================================== */

/* ========================================
   CSS VARIABLES & ROOT
   ======================================== */
:root {
  /* Neutrals */
  --bg-page: #0E121A;
  --bg-panel: #121826;
  --bg-hover: #171E2D;
  --border-primary: #252C3D;
  --backdrop-scrim: rgba(4, 6, 12, 0.58);
  
  /* Text Colors */
  --text-primary: #E4E7EF;
  --text-secondary: #A3A8B5;
  --text-disabled: #6E7690;
  --text-on-primary: #0B130E;
  
  /* Brand Colors */
  --accent-primary: #00D866;
  --accent-hover: #00C45A;
  --accent-active: #00B050;
  --chart-green: #2DE07B;
  --chart-purple: #775CDC;
  --warning: #F5A524;
  --danger: #F04C4C;
  --info-bg: #1B2233;
  
  /* Chart Gradients */
  --gradient-green: linear-gradient(180deg, #2DE07B 0%, rgba(45, 224, 123, 0) 90%);
  --gradient-purple: linear-gradient(180deg, #775CDC 0%, rgba(119, 92, 220, 0) 90%);
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-2xl: 24px;
  --spacing-3xl: 32px;
  
  /* Radii */
  --radius-sm: 4px;
  --radius-md: 4px;
  --radius-lg: 4px;
  --radius-xl: 4px;
  --radius-pill: 4px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.4);
  
  /* Focus Ring */
  --focus-ring: 0 0 0 2px #5B8CFF, 0 0 0 3px #252C3D;
  
  /* Transitions */
  --transition-fast: 120ms cubic-bezier(0.2, 0, 0, 1);
  --transition-base: 200ms cubic-bezier(0.2, 0, 0, 1);
  --transition-slow: 300ms cubic-bezier(0.2, 0, 0, 1);
  
  /* Typography */
  --font-family: 'Inter', 'SF Pro Text', 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
  --font-weight-regular: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Z-index layers */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-popover: 500;
  --z-tooltip: 600;
  --z-toast: 700;
}

/* ========================================
   GLOBAL RESET & BASE STYLES
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family);
  font-weight: var(--font-weight-regular);
  font-size: 14px;
  line-height: 22px;
  color: var(--text-primary);
  background-color: var(--bg-page);
  min-height: 100vh;
}

/* ========================================
   LAYOUT STRUCTURE
   ======================================== */
.app-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
  width: 100vw;
}

.sidebar {
  width: 256px;
  min-width: 256px;
  background: var(--bg-panel);
  border-right: 1px solid var(--border-primary);
  display: flex;
  flex-direction: column;
  transition: width var(--transition-slow);
  position: relative;
  z-index: var(--z-sticky);
  flex-shrink: 0;
}

.sidebar.collapsed {
  width: 72px;
  min-width: 72px;
}

.topbar {
  height: 56px;
  background: var(--bg-page);
  border-bottom: 1px solid var(--border-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-2xl);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  flex-shrink: 0;
}

.content-canvas {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--bg-page);
  padding: var(--spacing-2xl);
  min-width: 0;
}

.content-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Right Drawer */
.drawer-right {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: 420px;
  background: var(--bg-panel);
  border-left: 1px solid var(--border-primary);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  z-index: var(--z-modal);
  display: flex;
  flex-direction: column;
}

.drawer-right.open {
  transform: translateX(0);
  box-shadow: var(--shadow-xl);
}

.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--backdrop-scrim);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  z-index: calc(var(--z-modal) - 1);
}

.drawer-backdrop.visible {
  opacity: 1;
  visibility: visible;
}

/* ========================================
   SIDEBAR STYLES
   ======================================== */
.sidebar-header {
  height: 56px;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-primary);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  text-decoration: none;
  color: var(--text-primary);
}

.sidebar-logo img {
  width: 32px;
  height: 32px;
}

.sidebar-logo span {
  font-size: 18px;
  font-weight: var(--font-weight-semibold);
  transition: opacity var(--transition-base);
}

.sidebar.collapsed .sidebar-logo span {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.sidebar-nav {
  flex: 1;
  padding: var(--spacing-lg) 0;
  overflow-y: auto;
}

.sidebar-section {
  padding: 0 var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.sidebar-section-title {
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  color: var(--text-disabled);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  transition: opacity var(--transition-base);
}

.sidebar.collapsed .sidebar-section-title {
  opacity: 0;
}

.sidebar-item {
  display: flex;
  align-items: center;
  height: 40px;
  padding: 0 var(--spacing-md);
  margin-bottom: 2px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  position: relative;
  gap: var(--spacing-md);
}

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

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

.sidebar-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 16px;
  background: var(--accent-primary);
  border-radius: 4px;
}

.sidebar-item i {
  font-size: 18px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-item span {
  font-size: 14px;
  font-weight: var(--font-weight-regular);
  white-space: nowrap;
  transition: opacity var(--transition-base);
}

.sidebar.collapsed .sidebar-item span {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.sidebar-divider {
  height: 1px;
  background: var(--border-primary);
  margin: var(--spacing-lg) var(--spacing-md);
}

/* Sidebar Promo Card */
.sidebar-promo {
  margin: var(--spacing-lg) var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-hover);
  border-radius: var(--radius-xl);
  transition: opacity var(--transition-base);
}

.sidebar.collapsed .sidebar-promo {
  opacity: 0;
  pointer-events: none;
}

.sidebar-footer {
  padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-lg) 0;
  border-top: 1px solid var(--border-primary);
}

/* ========================================
   TOPBAR STYLES
   ======================================== */
.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

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

.topbar-search {
  position: relative;
  width: 320px;
}

.topbar-search input {
  width: 100%;
  height: 36px;
  padding: 0 var(--spacing-md) 0 var(--spacing-3xl);
  background: var(--bg-panel);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  transition: all var(--transition-fast);
}

.topbar-search input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: var(--focus-ring);
}

.topbar-search i {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-disabled);
  font-size: 16px;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  height: 40px;
  padding: 0 20px;
  min-width: fit-content;
  border-radius: var(--radius-lg);
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn:focus {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent-primary) !important;
  color: #000000 !important;
  font-weight: bold !important;
}

.btn-primary:hover {
  background: var(--accent-hover) !important;
  color: #000000 !important;
}

.btn-primary:active {
  background: var(--accent-active) !important;
  color: #000000 !important;
}

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

.btn-secondary:hover {
  background: var(--bg-hover);
}

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

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

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

.btn-danger:hover {
  background: #D93636;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
}

.btn-sm {
  height: 32px;
  padding: 0 var(--spacing-md);
  font-size: 13px;
}

.btn-lg {
  height: 48px;
  padding: 0 var(--spacing-2xl);
  font-size: 16px;
}

/* ========================================
   CARDS & PANELS
   ======================================== */
.card {
  background: var(--bg-panel);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: #2E3750;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.card-title {
  font-size: 15px;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.card-badge {
  width: 16px;
  height: 16px;
  background: var(--accent-primary);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-badge i {
  font-size: 10px;
  color: white;
}

.card-actions {
  display: flex;
  gap: var(--spacing-xs);
}

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

.card-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--border-primary);
  background: rgba(23, 30, 45, 0.3);
}

/* ========================================
   TABS
   ======================================== */
.tabs {
  display: flex;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs);
  background: var(--bg-panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-primary);
}

.tab {
  height: 36px;
  padding: 0 var(--spacing-md);
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.2px;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

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

/* ========================================
   FORMS & INPUTS
   ======================================== */
.form-group {
  margin-bottom: var(--spacing-xl);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  height: 40px;
  padding: 0 var(--spacing-md);
  background: var(--bg-page);
  border: 1px solid var(--border-primary);
  border-radius: 4px !important;
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font-family);
  transition: all var(--transition-fast);
}

.form-select {
  padding-right: 50px !important;
}

.form-textarea {
  min-height: 100px;
  padding: var(--spacing-md);
  resize: vertical;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: var(--focus-ring);
}

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

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

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

.form-checkbox input[type="checkbox"],
.form-radio input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-primary);
  cursor: pointer;
}

/* Toggle Switch */
.form-toggle {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
}

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

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

.form-toggle-slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 2px;
  bottom: 2px;
  background: white;
  border-radius: 50%;
  transition: var(--transition-fast);
}

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

.form-toggle input:checked + .form-toggle-slider:before {
  transform: translateX(16px);
}

/* ========================================
   TABLES
   ======================================== */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  background: var(--bg-panel);
  width: 100%;
  max-width: 100%;
}

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

/* Ensure tables don't break layout */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
}

.table thead {
  background: var(--bg-hover);
  border-bottom: 1px solid var(--border-primary);
}

.table th {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-primary);
  font-size: 14px;
  color: var(--text-primary);
}

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

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

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

/* ========================================
   CHIPS & BADGES
   ======================================== */
.chip {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 var(--spacing-md);
  background: var(--info-bg);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  gap: var(--spacing-sm);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  background: var(--accent-primary);
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  color: white;
}

.badge-success {
  background: var(--accent-primary);
}

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

.badge-danger {
  background: var(--danger);
}

.badge-info {
  background: var(--chart-purple);
}

/* ========================================
   TOOLTIPS & POPOVERS
   ======================================== */
.tooltip {
  position: absolute;
  background: var(--bg-hover);
  color: var(--text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: 12px;
  box-shadow: var(--shadow-md);
  z-index: var(--z-tooltip);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.tooltip.visible {
  opacity: 1;
}

.popover {
  position: absolute;
  background: var(--bg-panel);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-popover);
  min-width: 200px;
  opacity: 0;
  transform: scale(0.98);
  transition: all var(--transition-fast);
}

.popover.visible {
  opacity: 1;
  transform: scale(1);
}

.popover-item {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
  text-decoration: none;
  transition: background var(--transition-fast);
  cursor: pointer;
}

.popover-item:hover {
  background: var(--bg-hover);
}

/* ========================================
   TOASTS
   ======================================== */
.toast-container {
  position: fixed;
  bottom: var(--spacing-2xl);
  right: var(--spacing-2xl);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-panel);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  animation: slideIn var(--transition-slow) ease-out;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast-icon {
  font-size: 20px;
}

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

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

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

.toast-content {
  flex: 1;
}

.toast-title {
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: 2px;
}

.toast-message {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ========================================
   CHARTS
   ======================================== */
.chart-container {
  position: relative;
  height: 220px;
  padding: var(--spacing-md);
}

.chart-legend {
  display: flex;
  gap: var(--spacing-xl);
  padding: var(--spacing-md);
  border-top: 1px solid var(--border-primary);
}

.chart-legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 12px;
  color: var(--text-secondary);
}

.chart-legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.chart-legend-dot.green {
  background: var(--chart-green);
}

.chart-legend-dot.purple {
  background: var(--chart-purple);
}

/* ========================================
   LOADING STATES
   ======================================== */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-hover) 0%,
    rgba(255, 255, 255, 0.05) 50%,
    var(--bg-hover) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

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

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-primary);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ========================================
   UTILITY CLASSES
   ======================================== */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-disabled { color: var(--text-disabled); }
.text-success { color: var(--accent-primary); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

.bg-primary { background: var(--bg-page); }
.bg-panel { background: var(--bg-panel); }
.bg-hover { background: var(--bg-hover); }

.border { border: 1px solid var(--border-primary); }
.border-top { border-top: 1px solid var(--border-primary); }
.border-bottom { border-bottom: 1px solid var(--border-primary); }
.border-left { border-left: 1px solid var(--border-primary); }
.border-right { border-right: 1px solid var(--border-primary); }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-pill); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Spacing Utilities */
.p-0 { padding: 0; }
.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }
.p-2xl { padding: var(--spacing-2xl); }
.p-3xl { padding: var(--spacing-3xl); }

.m-0 { margin: 0; }
.m-xs { margin: var(--spacing-xs); }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }
.m-xl { margin: var(--spacing-xl); }
.m-2xl { margin: var(--spacing-2xl); }
.m-3xl { margin: var(--spacing-3xl); }

.mt-auto { margin-top: auto; }
.mb-auto { margin-bottom: auto; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

/* Flexbox Utilities */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* Grid Utilities */
.grid { display: grid; }
.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); }

/* Display Utilities */
.hidden { display: none; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }

/* Position Utilities */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Width & Height */
.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

/* Transitions */
.transition-all { transition: all var(--transition-base); }
.transition-fast { transition: all var(--transition-fast); }
.transition-slow { transition: all var(--transition-slow); }

/* ========================================
   RESPONSIVE BREAKPOINTS
   ======================================== */
@media (max-width: 1279px) {
  .content-canvas {
    padding: var(--spacing-xl);
  }
  
  .grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 920px) {
  .app-shell {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    border-right: none;
    border-bottom: 1px solid var(--border-primary);
  }
  
  .sidebar.collapsed {
    width: 100%;
  }
  
  .sidebar-nav {
    display: flex;
    overflow-x: auto;
    padding: var(--spacing-md);
  }
  
  .content-canvas {
    padding: var(--spacing-lg);
  }
  
  .grid-cols-3,
  .grid-cols-2 {
    grid-template-columns: 1fr;
  }
  
  .drawer-right {
    width: 100%;
  }
  
  .topbar-search {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .content-canvas {
    padding: var(--spacing-md);
  }
  
  .card {
    border-radius: var(--radius-md);
  }
  
  .toast-container {
    left: var(--spacing-md);
    right: var(--spacing-md);
    bottom: var(--spacing-md);
  }
  
  .toast {
    min-width: auto;
    width: 100%;
  }
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

@keyframes slideUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes scaleIn {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* ========================================
   SCROLLBAR STYLING
   ======================================== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-page);
}

::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: #3A4356;
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border-primary) var(--bg-page);
}