/* LocusAI Design System v2.0 — Clean, Minimal, Professional */

/* ============================================================================
   CSS Variables & Theme — Premium Design System
   ============================================================================ */
:root {
  /* Brand */
  --brand: var(--brand1, #000000);
  --brand-light: color-mix(in srgb, var(--brand) 8%, transparent);
  --brand-medium: color-mix(in srgb, var(--brand) 15%, transparent);
  --brand-glow: color-mix(in srgb, var(--brand) 25%, transparent);

  /* Neutral Palette - Light Theme Default */
  --bg-page: #fafafa;
  --bg-sidebar: #ffffff;
  --bg-card: #ffffff;
  --bg-elevated: #ffffff;
  --bg-hover: #f5f5f5;
  --bg-active: #efefef;
  --bg-muted: #f7f7f8;
  --bg-subtle: #fcfcfc;

  /* Surface Gradients (Premium) */
  --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.4) 100%);
  --gradient-sidebar: linear-gradient(180deg, var(--bg-sidebar) 0%, var(--bg-muted) 100%);
  --gradient-shine: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0) 60%);

  /* Borders */
  --border-light: #ebebeb;
  --border-default: #e5e5e5;
  --border-strong: #d4d4d4;
  --border-hover: #d0d0d0;
  --border-focus: var(--brand);

  /* Text */
  --text-primary: #0f0f0f;
  --text-secondary: #525252;
  --text-tertiary: #737373;
  --text-muted: #a3a3a3;
  --text-inverse: #ffffff;

  /* Functional Colors */
  --success: #22c55e;
  --success-light: #dcfce7;
  --success-50: rgba(34, 197, 94, 0.08);
  --success-100: rgba(34, 197, 94, 0.15);
  --success-glow: 0 0 20px rgba(34, 197, 94, 0.3);

  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --warning-50: rgba(245, 158, 11, 0.08);
  --warning-100: rgba(245, 158, 11, 0.15);
  --warning-glow: 0 0 20px rgba(245, 158, 11, 0.3);

  --error: #ef4444;
  --error-light: #fee2e2;
  --error-50: rgba(239, 68, 68, 0.08);
  --error-100: rgba(239, 68, 68, 0.15);
  --error-glow: 0 0 20px rgba(239, 68, 68, 0.3);

  --info: #3b82f6;
  --info-light: #dbeafe;
  --info-50: rgba(59, 130, 246, 0.08);
  --info-100: rgba(59, 130, 246, 0.15);
  --info-glow: 0 0 20px rgba(59, 130, 246, 0.3);

  /* Premium Multi-Layer Shadows */
  --shadow-xs:
    0 1px 2px rgba(0, 0, 0, 0.03),
    0 1px 1px rgba(0, 0, 0, 0.02);
  --shadow-sm:
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 2px 4px rgba(0, 0, 0, 0.03),
    0 1px 1px rgba(0, 0, 0, 0.02);
  --shadow-md:
    0 2px 4px rgba(0, 0, 0, 0.03),
    0 4px 8px rgba(0, 0, 0, 0.04),
    0 8px 16px rgba(0, 0, 0, 0.03);
  --shadow-lg:
    0 4px 8px rgba(0, 0, 0, 0.03),
    0 8px 16px rgba(0, 0, 0, 0.04),
    0 16px 32px rgba(0, 0, 0, 0.05);
  --shadow-xl:
    0 8px 16px rgba(0, 0, 0, 0.04),
    0 16px 32px rgba(0, 0, 0, 0.05),
    0 32px 64px rgba(0, 0, 0, 0.06);

  /* Component-Specific Shadows */
  --shadow-card:
    0 1px 3px rgba(0, 0, 0, 0.02),
    0 4px 12px rgba(0, 0, 0, 0.04);
  --shadow-card-hover:
    0 4px 12px rgba(0, 0, 0, 0.04),
    0 8px 24px rgba(0, 0, 0, 0.06),
    0 0 0 1px rgba(0, 0, 0, 0.03);
  --shadow-card-active:
    0 2px 8px rgba(0, 0, 0, 0.04),
    0 0 0 2px var(--brand-light);
  --shadow-btn:
    0 1px 2px rgba(0, 0, 0, 0.05),
    0 1px 1px rgba(0, 0, 0, 0.03),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  --shadow-btn-hover:
    0 2px 4px rgba(0, 0, 0, 0.06),
    0 4px 8px rgba(0, 0, 0, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  --shadow-btn-primary:
    0 1px 2px rgba(0, 0, 0, 0.15),
    0 2px 8px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  --shadow-btn-primary-hover:
    0 2px 4px rgba(0, 0, 0, 0.15),
    0 4px 12px rgba(0, 0, 0, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  --shadow-input-focus:
    0 0 0 3px var(--brand-light),
    0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-dropdown:
    0 4px 16px rgba(0, 0, 0, 0.08),
    0 8px 32px rgba(0, 0, 0, 0.06),
    0 0 0 1px rgba(0, 0, 0, 0.03);
  --shadow-modal:
    0 16px 48px rgba(0, 0, 0, 0.12),
    0 32px 80px rgba(0, 0, 0, 0.08);
  --shadow-inset: inset 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-ring: 0 0 0 2px var(--bg-card), 0 0 0 4px var(--brand);

  /* Spacing Scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  --letter-tight: -0.025em;
  --letter-tighter: -0.04em;

  /* Radii */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 9999px;

  /* Premium Easing Curves */
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-snap: cubic-bezier(0.2, 0, 0, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);

  /* Transition Presets */
  --transition-micro: 80ms var(--ease-smooth);
  --transition-fast: 120ms var(--ease-smooth);
  --transition-base: 180ms var(--ease-smooth);
  --transition-slow: 240ms var(--ease-smooth);
  --transition-slower: 320ms var(--ease-out-expo);
  --transition-spring: 400ms var(--ease-spring);

  /* Component-Specific Transitions */
  --transition-transform: transform 180ms var(--ease-out-expo);
  --transition-shadow: box-shadow 180ms var(--ease-smooth);
  --transition-colors: color 120ms var(--ease-smooth), background-color 120ms var(--ease-smooth), border-color 120ms var(--ease-smooth);
  --transition-opacity: opacity 150ms var(--ease-smooth);
  --transition-all: all 180ms var(--ease-smooth);

  /* Z-Index Scale */
  --z-dropdown: 50;
  --z-sticky: 100;
  --z-modal: 200;
  --z-tooltip: 300;
  --z-toast: 400;

  /* Legacy compatibility */
  --card-bg: var(--bg-card);
  --card-border: var(--border-default);
  --page-bg: var(--bg-page);
}

/* Dark Theme — Premium */
html[data-theme="dark"] {
  --bg-page: #09090b;
  --bg-sidebar: #0f0f11;
  --bg-card: #141416;
  --bg-elevated: #1a1a1c;
  --bg-hover: #222225;
  --bg-active: #2a2a2d;
  --bg-muted: #18181b;
  --bg-subtle: #111113;

  /* Surface Gradients (Dark) */
  --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0) 100%);
  --gradient-sidebar: linear-gradient(180deg, var(--bg-sidebar) 0%, #0c0c0e 100%);
  --gradient-shine: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0) 60%);

  --border-light: #222225;
  --border-default: #2a2a2d;
  --border-strong: #3a3a3d;
  --border-hover: #444447;

  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;
  --text-muted: #52525b;
  --text-inverse: #09090b;

  /* Functional Colors (Dark adjusted) */
  --success-light: rgba(34, 197, 94, 0.15);
  --success-50: rgba(34, 197, 94, 0.06);
  --success-100: rgba(34, 197, 94, 0.12);
  --success-glow: 0 0 24px rgba(34, 197, 94, 0.25);

  --warning-light: rgba(245, 158, 11, 0.15);
  --warning-50: rgba(245, 158, 11, 0.06);
  --warning-100: rgba(245, 158, 11, 0.12);
  --warning-glow: 0 0 24px rgba(245, 158, 11, 0.25);

  --error-light: rgba(239, 68, 68, 0.15);
  --error-50: rgba(239, 68, 68, 0.06);
  --error-100: rgba(239, 68, 68, 0.12);
  --error-glow: 0 0 24px rgba(239, 68, 68, 0.25);

  --info-light: rgba(59, 130, 246, 0.15);
  --info-50: rgba(59, 130, 246, 0.06);
  --info-100: rgba(59, 130, 246, 0.12);
  --info-glow: 0 0 24px rgba(59, 130, 246, 0.25);

  /* Premium Shadows (Dark - stronger for visibility) */
  --shadow-xs:
    0 1px 2px rgba(0, 0, 0, 0.3),
    0 1px 1px rgba(0, 0, 0, 0.2);
  --shadow-sm:
    0 1px 2px rgba(0, 0, 0, 0.4),
    0 2px 4px rgba(0, 0, 0, 0.3),
    0 1px 1px rgba(0, 0, 0, 0.2);
  --shadow-md:
    0 2px 4px rgba(0, 0, 0, 0.3),
    0 4px 8px rgba(0, 0, 0, 0.4),
    0 8px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg:
    0 4px 8px rgba(0, 0, 0, 0.3),
    0 8px 16px rgba(0, 0, 0, 0.4),
    0 16px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl:
    0 8px 16px rgba(0, 0, 0, 0.4),
    0 16px 32px rgba(0, 0, 0, 0.5),
    0 32px 64px rgba(0, 0, 0, 0.6);

  /* Component-Specific Shadows (Dark) */
  --shadow-card:
    0 1px 3px rgba(0, 0, 0, 0.3),
    0 4px 12px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.03);
  --shadow-card-hover:
    0 4px 12px rgba(0, 0, 0, 0.4),
    0 8px 24px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  --shadow-card-active:
    0 2px 8px rgba(0, 0, 0, 0.4),
    0 0 0 2px var(--brand-light);
  --shadow-btn:
    0 1px 2px rgba(0, 0, 0, 0.4),
    0 1px 1px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  --shadow-btn-hover:
    0 2px 4px rgba(0, 0, 0, 0.5),
    0 4px 8px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  --shadow-btn-primary:
    0 1px 2px rgba(255, 255, 255, 0.1),
    0 2px 8px rgba(255, 255, 255, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  --shadow-btn-primary-hover:
    0 2px 4px rgba(255, 255, 255, 0.12),
    0 4px 12px rgba(255, 255, 255, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  --shadow-input-focus:
    0 0 0 3px var(--brand-light),
    0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-dropdown:
    0 4px 16px rgba(0, 0, 0, 0.5),
    0 8px 32px rgba(0, 0, 0, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.03);
  --shadow-modal:
    0 16px 48px rgba(0, 0, 0, 0.6),
    0 32px 80px rgba(0, 0, 0, 0.5);
  --shadow-inset: inset 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-ring: 0 0 0 2px var(--bg-card), 0 0 0 4px var(--text-primary);

  --card-bg: var(--bg-card);
  --card-border: var(--border-default);
  --page-bg: var(--bg-page);
}

/* ============================================================================
   Reset & Base
   ============================================================================ */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-page);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* ============================================================================
   Layout
   ============================================================================ */
.min-h-screen {
  min-height: 100vh;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-1 {
  flex: 1;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

/* ============================================================================
   Premium Sidebar
   ============================================================================ */
#sidebar {
  width: 240px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: var(--z-sticky);
  transition: transform var(--transition-slower);
}

/* Subtle gradient overlay */
#sidebar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-sidebar);
  pointer-events: none;
  opacity: 0.5;
}

@media (max-width: 768px) {
  #sidebar {
    transform: translateX(-100%);
    box-shadow: var(--shadow-xl);
  }
  #sidebar.open {
    transform: translateX(0);
  }
}

/* Sidebar Logo */
.sidebar-logo {
  position: relative;
  padding: var(--space-5) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid var(--border-light);
}

.sidebar-logo img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  object-fit: contain;
  box-shadow: var(--shadow-sm);
}

.sidebar-logo-text {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: var(--letter-tight);
  color: var(--text-primary);
}

/* Sidebar Navigation */
.sidebar-nav {
  position: relative;
  flex: 1;
  padding: var(--space-4) var(--space-3);
  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: var(--border-default);
  border-radius: var(--radius-full);
}

.sidebar-nav::-webkit-scrollbar-thumb:hover {
  background: var(--border-strong);
}

.nav-section {
  margin-bottom: var(--space-6);
}

.nav-section-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0 var(--space-3);
  margin-bottom: var(--space-2);
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 9px var(--space-3);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
  margin-bottom: 2px;
}

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

.nav-item:active {
  transform: scale(0.98);
}

/* Active indicator bar */
.nav-item.active {
  background: var(--bg-active);
  color: var(--text-primary);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--text-primary);
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

.nav-item svg,
.nav-item .nav-icon {
  width: 18px;
  height: 18px;
  opacity: 0.6;
  flex-shrink: 0;
  transition: opacity var(--transition-fast);
}

.nav-item:hover svg,
.nav-item:hover .nav-icon {
  opacity: 0.8;
}

.nav-item.active svg,
.nav-item.active .nav-icon {
  opacity: 1;
}

.nav-badge {
  margin-left: auto;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: var(--text-primary);
  color: var(--text-inverse);
  font-variant-numeric: tabular-nums;
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-badge {
  transform: scale(1.05);
}

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

.nav-badge-error {
  background: var(--error);
  color: white;
}

/* Sidebar Footer */
.sidebar-footer {
  position: relative;
  padding: var(--space-4);
  border-top: 1px solid var(--border-light);
  background: var(--bg-muted);
}

.sidebar-footer a {
  font-size: 12px;
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
}

.sidebar-footer a:hover {
  color: var(--text-primary);
}

/* Sidebar user profile */
.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  cursor: pointer;
}

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

.sidebar-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--bg-active);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-size: 11px;
  color: var(--text-tertiary);
}

/* ============================================================================
   Main Content Area
   ============================================================================ */
.main-content {
  margin-left: 240px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

@media (max-width: 768px) {
  .main-content {
    margin-left: 0;
  }
}

/* Premium Header with Glassmorphism */
.main-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: color-mix(in srgb, var(--bg-card) 85%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  padding: 0 var(--space-6);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Fallback for browsers without backdrop-filter */
@supports not (backdrop-filter: blur(12px)) {
  .main-header {
    background: var(--bg-card);
  }
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

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

.header-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
  color: var(--text-secondary);
  padding: 6px 12px;
  background: var(--bg-muted);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-light);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  flex-shrink: 0;
}

.status-dot-animated {
  animation: pulseGlow 2s var(--ease-smooth) infinite;
  box-shadow: 0 0 0 0 var(--success);
}

@keyframes statusPulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
  }
  50% {
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0);
  }
}

.status-dot-animated {
  animation: statusPulse 2s ease-in-out infinite;
}

/* Header search */
.header-search {
  position: relative;
  width: 240px;
}

.header-search input {
  width: 100%;
  padding: 8px 12px 8px 36px;
  font-size: 13px;
  background: var(--bg-muted);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    width var(--transition-base);
}

.header-search input:focus {
  background: var(--bg-card);
  border-color: var(--border-default);
  outline: none;
  width: 280px;
}

.header-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

.header-search input:focus + .header-search-icon {
  color: var(--text-tertiary);
}

/* Header icon button */
.header-icon-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
  cursor: pointer;
  position: relative;
}

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

.header-icon-btn svg {
  width: 20px;
  height: 20px;
}

/* Notification indicator */
.header-icon-btn .notification-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  background: var(--error);
  border-radius: 50%;
  border: 2px solid var(--bg-card);
}

/* Header divider */
.header-divider {
  width: 1px;
  height: 24px;
  background: var(--border-light);
  margin: 0 var(--space-2);
}

/* Page Content */
.page-content {
  flex: 1;
  padding: var(--space-6);
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

@media (min-width: 1024px) {
  .page-content {
    padding: var(--space-8);
  }
}

.page-content-narrow {
  max-width: 900px;
}

.page-content-wide {
  max-width: 1600px;
}

.page-content-full {
  max-width: none;
}

/* Page Header */
.page-header {
  margin-bottom: var(--space-6);
  animation: fadeInUp 300ms var(--ease-out-expo) forwards;
}

@media (min-width: 1024px) {
  .page-header {
    margin-bottom: var(--space-8);
  }
}

.page-greeting {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.page-title {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: var(--letter-tighter);
  color: var(--text-primary);
  line-height: 1.2;
}

@media (min-width: 768px) {
  .page-title {
    font-size: 32px;
  }
}

.page-title-lg {
  font-size: 36px;
}

.page-subtitle {
  font-size: 14px;
  color: var(--text-tertiary);
  margin-top: var(--space-2);
  max-width: 600px;
  line-height: 1.5;
}

/* Page header with actions */
.page-header-with-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .page-header-with-actions {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }
}

.page-header-content {
  flex: 1;
}

.page-header-actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* Page sections */
.page-section {
  margin-bottom: var(--space-8);
}

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

.page-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.page-section-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: var(--letter-tight);
  color: var(--text-primary);
}

.page-section-description {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb-item a {
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
  color: var(--text-primary);
}

.breadcrumb-separator {
  color: var(--text-muted);
}

.breadcrumb-current {
  color: var(--text-primary);
  font-weight: 500;
}

/* ============================================================================
   Premium Cards
   ============================================================================ */
.card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition:
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-base);
}

/* Top edge highlight for depth illusion */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 12px;
  right: 12px;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.5) 50%,
    transparent 100%
  );
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  pointer-events: none;
}

html[data-theme="dark"] .card::before {
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.08) 50%,
    transparent 100%
  );
}

/* Hover state with elevation */
.card-hover:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

/* Interactive card (clickable) */
.card-interactive {
  cursor: pointer;
}

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

.card-interactive:active {
  transform: scale(0.99);
  box-shadow: var(--shadow-card);
}

/* Selected/Active card */
.card-selected,
.card.selected {
  border-color: var(--brand);
  box-shadow: var(--shadow-card-active);
}

/* Card Header */
.card-header {
  position: relative;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--gradient-card);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: var(--letter-tight);
  color: var(--text-primary);
}

.card-subtitle {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.card-description {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: var(--space-2);
}

.card-body {
  padding: var(--space-5);
}

.card-body-compact {
  padding: var(--space-4);
}

.card-body-spacious {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border-light);
  background: var(--bg-muted);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Card with glow effect */
.card-glow {
  box-shadow:
    var(--shadow-card),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset;
}

.card-glow:hover {
  box-shadow:
    var(--shadow-card-hover),
    0 0 40px rgba(var(--brand), 0.1);
}

/* Card sizes */
.card-sm {
  border-radius: var(--radius-md);
}

.card-sm .card-header {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.card-sm .card-body {
  padding: var(--space-4);
}

.card-sm .card-footer {
  padding: var(--space-3) var(--space-4);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* Flat card (no shadow) */
.card-flat {
  box-shadow: none;
}

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

/* ============================================================================
   Premium KPI Stats Cards
   ============================================================================ */
.stat-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

/* Radial gradient accent in corner */
.stat-card::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, var(--brand-light) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.5;
  transition: opacity var(--transition-base);
}

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

.stat-card:hover::before {
  opacity: 0.8;
}

.stat-card.selected {
  border-color: var(--brand);
  box-shadow: var(--shadow-card-active);
}

/* Interactive stat card */
.stat-card-interactive {
  cursor: pointer;
}

.stat-card-interactive:active {
  transform: scale(0.98);
}

.stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.stat-label svg {
  width: 14px;
  height: 14px;
  opacity: 0.7;
}

.stat-value {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: var(--letter-tighter);
  color: var(--text-primary);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.stat-value-lg {
  font-size: 40px;
}

.stat-value-sm {
  font-size: 24px;
}

.stat-unit {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-tertiary);
  margin-left: var(--space-1);
}

.stat-change {
  font-size: 12px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  margin-top: var(--space-1);
}

.stat-change.positive {
  color: #166534;
  background: var(--success-light);
}

.stat-change.negative {
  color: #991b1b;
  background: var(--error-light);
}

.stat-change.neutral {
  color: var(--text-tertiary);
  background: var(--bg-muted);
}

html[data-theme="dark"] .stat-change.positive {
  color: #4ade80;
  background: var(--success-50);
}

html[data-theme="dark"] .stat-change.negative {
  color: #f87171;
  background: var(--error-50);
}

.stat-change svg {
  width: 12px;
  height: 12px;
}

/* Stat footer/meta */
.stat-footer {
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-light);
  font-size: 12px;
  color: var(--text-tertiary);
}

/* Stat icon */
.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2);
}

.stat-icon svg {
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
}

.stat-icon-success {
  background: var(--success-light);
}

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

.stat-icon-warning {
  background: var(--warning-light);
}

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

.stat-icon-error {
  background: var(--error-light);
}

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

.stat-icon-info {
  background: var(--info-light);
}

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

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
}

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

  .stats-grid-6 {
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (min-width: 1280px) {
  .stats-grid-5 {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* ============================================================================
   Premium Buttons
   ============================================================================ */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.01em;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: var(--shadow-btn);
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

/* Inner highlight for depth */
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--gradient-shine);
  pointer-events: none;
  opacity: 0.6;
}

.btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-btn-hover);
  transform: translateY(-1px);
}

.btn:active {
  background: var(--bg-active);
  box-shadow: var(--shadow-xs);
  transform: translateY(0) scale(0.98);
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: var(--shadow-xs);
}

.btn:disabled:hover {
  transform: none;
  background: var(--bg-card);
  border-color: var(--border-default);
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Primary Button - Bold & Prominent */
.btn-primary {
  background: var(--text-primary);
  border-color: var(--text-primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-btn-primary);
}

.btn-primary::before {
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0) 50%);
}

.btn-primary:hover {
  background: #2a2a2a;
  border-color: #2a2a2a;
  box-shadow: var(--shadow-btn-primary-hover);
}

.btn-primary:active {
  background: #1f1f1f;
  box-shadow: var(--shadow-sm);
}

.btn-primary:focus-visible {
  box-shadow: var(--shadow-ring);
}

/* Dark mode primary - inverted */
html[data-theme="dark"] .btn-primary {
  background: #fafafa;
  border-color: #fafafa;
  color: #0a0a0a;
}

html[data-theme="dark"] .btn-primary:hover {
  background: #e5e5e5;
  border-color: #e5e5e5;
}

html[data-theme="dark"] .btn-primary:active {
  background: #d4d4d4;
}

/* Secondary Button */
.btn-secondary {
  background: var(--bg-muted);
  border-color: var(--border-default);
}

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

/* Ghost Button - Minimal */
.btn-ghost {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

.btn-ghost::before {
  display: none;
}

.btn-ghost:hover {
  background: var(--bg-hover);
  border-color: transparent;
  box-shadow: none;
  transform: none;
}

.btn-ghost:active {
  background: var(--bg-active);
  transform: scale(0.98);
}

/* Danger Button */
.btn-danger {
  background: var(--error);
  border-color: var(--error);
  color: white;
  box-shadow:
    0 1px 2px rgba(239, 68, 68, 0.2),
    0 2px 8px rgba(239, 68, 68, 0.15);
}

.btn-danger:hover {
  background: #dc2626;
  border-color: #dc2626;
  box-shadow:
    0 2px 4px rgba(239, 68, 68, 0.25),
    0 4px 12px rgba(239, 68, 68, 0.2);
}

.btn-danger:active {
  background: #b91c1c;
}

/* Success Button */
.btn-success {
  background: var(--success);
  border-color: var(--success);
  color: white;
  box-shadow:
    0 1px 2px rgba(34, 197, 94, 0.2),
    0 2px 8px rgba(34, 197, 94, 0.15);
}

.btn-success:hover {
  background: #16a34a;
  border-color: #16a34a;
  box-shadow:
    0 2px 4px rgba(34, 197, 94, 0.25),
    0 4px 12px rgba(34, 197, 94, 0.2);
}

.btn-success:active {
  background: #15803d;
}

/* Small Button */
.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

.btn-sm svg {
  width: 14px;
  height: 14px;
}

/* Extra Small Button */
.btn-xs {
  padding: 3px 8px;
  font-size: 11px;
  border-radius: var(--radius-xs);
}

/* Large Button */
.btn-lg {
  padding: 12px 20px;
  font-size: 14px;
  border-radius: var(--radius-lg);
}

/* Extra Large Button */
.btn-xl {
  padding: 14px 28px;
  font-size: 15px;
  border-radius: var(--radius-lg);
}

/* Icon Button */
.btn-icon {
  padding: var(--space-2);
  min-width: 36px;
  min-height: 36px;
}

.btn-icon.btn-sm {
  padding: 6px;
  min-width: 28px;
  min-height: 28px;
}

.btn-icon.btn-lg {
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
}

/* Loading State */
.btn-loading {
  pointer-events: none;
  color: transparent;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.btn-primary.btn-loading::after {
  border-color: var(--text-inverse);
  border-right-color: transparent;
}

/* Button Group */
.btn-group {
  display: inline-flex;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.btn-group .btn {
  border-radius: 0;
  margin-left: -1px;
  box-shadow: none;
}

.btn-group .btn:hover {
  z-index: 1;
  box-shadow: none;
}

.btn-group .btn:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  margin-left: 0;
}

.btn-group .btn:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ============================================================================
   Premium Form Elements
   ============================================================================ */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-label-required::after {
  content: '*';
  color: var(--error);
  margin-left: 2px;
}

.form-hint {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: var(--space-2);
  line-height: 1.4;
}

.form-error {
  font-size: 12px;
  color: var(--error);
  margin-top: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-error svg {
  width: 14px;
  height: 14px;
}

.input,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="url"],
input[type="date"],
input[type="time"],
input[type="datetime-local"],
input[type="search"],
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  font-size: 13px;
  font-family: inherit;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-inset);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.input:hover,
input:hover,
select:hover,
textarea:hover {
  border-color: var(--border-strong);
  background: var(--bg-subtle);
}

.input:focus,
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: var(--shadow-input-focus);
  background: var(--bg-card);
}

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

/* Error state */
.input-error,
.input-error:hover,
.input-error:focus {
  border-color: var(--error);
}

.input-error:focus {
  box-shadow: 0 0 0 3px var(--error-50);
}

/* Success state */
.input-success,
.input-success:hover,
.input-success:focus {
  border-color: var(--success);
}

.input-success:focus {
  box-shadow: 0 0 0 3px var(--success-50);
}

/* Disabled state */
.input:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  background: var(--bg-muted);
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Input sizes */
.input-sm {
  padding: 6px 10px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

.input-lg {
  padding: 12px 14px;
  font-size: 14px;
  border-radius: var(--radius-lg);
}

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

textarea.textarea-sm {
  min-height: 60px;
}

textarea.textarea-lg {
  min-height: 150px;
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23737373' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

/* Input with icon */
.input-with-icon {
  position: relative;
}

.input-with-icon .input,
.input-with-icon input {
  padding-left: 38px;
}

.input-with-icon .input-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
  transition: color var(--transition-fast);
}

.input-with-icon:focus-within .input-icon {
  color: var(--brand);
}

/* Input with suffix */
.input-with-suffix {
  position: relative;
}

.input-with-suffix .input,
.input-with-suffix input {
  padding-right: 60px;
}

.input-with-suffix .input-suffix {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  color: var(--text-tertiary);
}

/* Input group */
.input-group {
  display: flex;
  align-items: stretch;
}

.input-group .input,
.input-group input {
  border-radius: 0;
  flex: 1;
}

.input-group .input:first-child,
.input-group input:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .input:last-child,
.input-group input:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-group-addon {
  display: flex;
  align-items: center;
  padding: 0 12px;
  background: var(--bg-muted);
  border: 1px solid var(--border-default);
  font-size: 13px;
  color: var(--text-secondary);
}

.input-group-addon:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  border-right: none;
}

.input-group-addon:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  border-left: none;
}

/* Checkbox & Radio */
input[type="checkbox"],
input[type="radio"] {
  width: 16px;
  height: 16px;
  margin: 0;
  cursor: pointer;
  accent-color: var(--text-primary);
  flex-shrink: 0;
}

input[type="checkbox"]:focus,
input[type="radio"]:focus {
  outline: none;
  box-shadow: var(--shadow-ring);
}

/* Custom checkbox */
.checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.checkbox input {
  margin-top: 2px;
}

.checkbox-label {
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.4;
}

.checkbox-description {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* Toggle switch */
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--bg-muted);
  border: 1px solid var(--border-default);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.toggle.active,
.toggle:has(input:checked) {
  background: var(--text-primary);
  border-color: var(--text-primary);
}

.toggle.active::after,
.toggle:has(input:checked)::after {
  transform: translateX(20px);
}

.toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

/* ============================================================================
   Premium Tables
   ============================================================================ */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.table th {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  background: var(--bg-muted);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 1;
}

.table th:first-child {
  border-radius: var(--radius-lg) 0 0 0;
}

.table th:last-child {
  border-radius: 0 var(--radius-lg) 0 0;
}

.table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
  vertical-align: middle;
}

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

.table tr:last-child td:first-child {
  border-radius: 0 0 0 var(--radius-lg);
}

.table tr:last-child td:last-child {
  border-radius: 0 0 var(--radius-lg) 0;
}

.table tbody tr {
  position: relative;
  transition:
    background-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

/* Row hover with left accent bar */
.table tbody tr:hover {
  background: var(--bg-hover);
}

.table tbody tr:hover td:first-child {
  box-shadow: inset 3px 0 0 var(--brand);
}

/* Selected row */
.table tbody tr.selected {
  background: var(--brand-light);
}

.table tbody tr.selected td:first-child {
  box-shadow: inset 3px 0 0 var(--brand);
}

/* Clickable rows */
.table-clickable tbody tr {
  cursor: pointer;
}

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

/* Compact table */
.table-compact th,
.table-compact td {
  padding: var(--space-2) var(--space-3);
}

/* Striped table */
.table-striped tbody tr:nth-child(even) {
  background: var(--bg-subtle);
}

.table-striped tbody tr:nth-child(even):hover {
  background: var(--bg-hover);
}

/* Bordered table */
.table-bordered td,
.table-bordered th {
  border: 1px solid var(--border-light);
}

/* Fixed layout */
.table-fixed {
  table-layout: fixed;
}

/* Table cell utilities */
.table td.td-primary {
  color: var(--text-primary);
  font-weight: 500;
}

.table td.td-mono {
  font-family: var(--font-mono);
  font-size: 12px;
}

.table td.td-right,
.table th.th-right {
  text-align: right;
}

.table td.td-center,
.table th.th-center {
  text-align: center;
}

/* Table actions column */
.table td.td-actions {
  width: 1%;
  white-space: nowrap;
  text-align: right;
}

.table td.td-actions .btn {
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.table tbody tr:hover td.td-actions .btn {
  opacity: 1;
}

/* Table sort indicator */
.table th.sortable {
  cursor: pointer;
  user-select: none;
}

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

.table th.sortable::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 6px;
  vertical-align: middle;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  opacity: 0.3;
}

.table th.sortable.sort-asc::after {
  border-top: none;
  border-bottom: 4px solid currentColor;
  opacity: 1;
}

.table th.sortable.sort-desc::after {
  opacity: 1;
}

/* Empty table state */
.table-empty {
  padding: var(--space-12) var(--space-6);
  text-align: center;
  color: var(--text-tertiary);
}

/* Table with sticky first column */
.table-sticky-col td:first-child,
.table-sticky-col th:first-child {
  position: sticky;
  left: 0;
  background: inherit;
  z-index: 1;
}

.table-sticky-col tbody tr:hover td:first-child {
  background: var(--bg-hover);
}

/* ============================================================================
   Premium Badges & Tags
   ============================================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: var(--radius-full);
  background: var(--bg-muted);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  transition: transform var(--transition-micro);
}

.badge:hover {
  transform: scale(1.02);
}

/* Status dot inside badge */
.badge .status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

/* Animated status dot */
.badge .status-dot-animated {
  animation: pulseGlow 2s var(--ease-smooth) infinite;
}

/* Badge sizes */
.badge-sm {
  padding: 2px 6px;
  font-size: 10px;
}

.badge-lg {
  padding: 4px 12px;
  font-size: 12px;
}

/* Success badge */
.badge-success {
  background: var(--success-light);
  color: #166534;
  border-color: transparent;
}

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

/* Warning badge */
.badge-warning {
  background: var(--warning-light);
  color: #92400e;
  border-color: transparent;
}

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

/* Error/Danger badge */
.badge-error,
.badge-danger {
  background: var(--error-light);
  color: #991b1b;
  border-color: transparent;
}

.badge-error .status-dot,
.badge-danger .status-dot {
  background: var(--error);
}

/* Info badge */
.badge-info {
  background: var(--info-light);
  color: #1e40af;
  border-color: transparent;
}

.badge-info .status-dot {
  background: var(--info);
}

/* Dark badge */
.badge-dark {
  background: var(--text-primary);
  color: var(--text-inverse);
  border-color: transparent;
}

/* Primary/Brand badge */
.badge-primary {
  background: var(--brand-light);
  color: var(--text-primary);
  border-color: transparent;
}

/* Outline badges */
.badge-outline {
  background: transparent;
  border-color: currentColor;
  border-width: 1px;
}

.badge-outline-success {
  background: transparent;
  color: var(--success);
  border-color: var(--success);
}

.badge-outline-warning {
  background: transparent;
  color: var(--warning);
  border-color: var(--warning);
}

.badge-outline-error {
  background: transparent;
  color: var(--error);
  border-color: var(--error);
}

.badge-outline-info {
  background: transparent;
  color: var(--info);
  border-color: var(--info);
}

/* Dark mode badge adjustments */
html[data-theme="dark"] .badge-success {
  background: var(--success-50);
  color: #4ade80;
}

html[data-theme="dark"] .badge-warning {
  background: var(--warning-50);
  color: #fbbf24;
}

html[data-theme="dark"] .badge-error,
html[data-theme="dark"] .badge-danger {
  background: var(--error-50);
  color: #f87171;
}

html[data-theme="dark"] .badge-info {
  background: var(--info-50);
  color: #60a5fa;
}

/* Pill badge (more rounded) */
.badge-pill {
  border-radius: var(--radius-full);
  padding-left: 12px;
  padding-right: 12px;
}

/* Count badge (number indicator) */
.badge-count {
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  border-radius: var(--radius-full);
  background: var(--text-primary);
  color: var(--text-inverse);
}

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

.badge-count-error {
  background: var(--error);
}

/* Tag (removable badge) */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  background: var(--bg-muted);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}

.tag-remove {
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-fast), background var(--transition-fast);
}

.tag-remove:hover {
  opacity: 1;
  background: var(--bg-active);
}

.tag-remove svg {
  width: 10px;
  height: 10px;
}

/* ============================================================================
   Premium Empty States
   ============================================================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--space-6);
  text-align: center;
  animation: fadeInUp 400ms var(--ease-out-expo) forwards;
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  color: var(--text-muted);
  margin-bottom: var(--space-5);
  opacity: 0.5;
}

/* Icon with background circle */
.empty-state-icon-wrapper {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: var(--bg-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.empty-state-icon-wrapper svg {
  width: 36px;
  height: 36px;
  color: var(--text-tertiary);
}

.empty-state-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: var(--letter-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-state-description {
  font-size: 14px;
  color: var(--text-tertiary);
  max-width: 360px;
  line-height: 1.5;
  margin-bottom: var(--space-5);
}

.empty-state-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

/* Compact empty state */
.empty-state-compact {
  padding: var(--space-8) var(--space-4);
}

.empty-state-compact .empty-state-icon-wrapper {
  width: 56px;
  height: 56px;
}

.empty-state-compact .empty-state-icon-wrapper svg {
  width: 24px;
  height: 24px;
}

.empty-state-compact .empty-state-title {
  font-size: 14px;
}

.empty-state-compact .empty-state-description {
  font-size: 13px;
}

/* Inline empty state (for table rows) */
.empty-state-inline {
  padding: var(--space-6) var(--space-4);
  flex-direction: row;
  gap: var(--space-4);
  text-align: left;
}

.empty-state-inline .empty-state-icon-wrapper {
  margin-bottom: 0;
  width: 48px;
  height: 48px;
}

.empty-state-inline .empty-state-content {
  flex: 1;
}

/* Illustrated empty state */
.empty-state-illustration {
  max-width: 200px;
  margin-bottom: var(--space-6);
  opacity: 0.8;
}

/* ============================================================================
   Premium Alerts & Flash Messages
   ============================================================================ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  font-size: 13px;
  margin-bottom: var(--space-4);
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
  animation: fadeInUp 300ms var(--ease-out-expo) forwards;
}

.alert-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: 600;
  margin-bottom: 2px;
}

.alert-description {
  opacity: 0.9;
}

.alert-dismiss {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-fast), background var(--transition-fast);
  flex-shrink: 0;
}

.alert-dismiss:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.1);
}

.alert-dismiss svg {
  width: 14px;
  height: 14px;
}

/* Success alert */
.alert-success {
  background: var(--success-light);
  color: #166534;
  border-color: rgba(34, 197, 94, 0.2);
}

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

/* Warning alert */
.alert-warning {
  background: var(--warning-light);
  color: #92400e;
  border-color: rgba(245, 158, 11, 0.2);
}

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

/* Error alert */
.alert-error {
  background: var(--error-light);
  color: #991b1b;
  border-color: rgba(239, 68, 68, 0.2);
}

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

/* Info alert */
.alert-info {
  background: var(--info-light);
  color: #1e40af;
  border-color: rgba(59, 130, 246, 0.2);
}

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

/* Neutral alert */
.alert-neutral {
  background: var(--bg-muted);
  color: var(--text-primary);
  border-color: var(--border-default);
}

/* Dark mode adjustments */
html[data-theme="dark"] .alert-success {
  background: var(--success-50);
  color: #4ade80;
  border-color: rgba(34, 197, 94, 0.15);
}

html[data-theme="dark"] .alert-warning {
  background: var(--warning-50);
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.15);
}

html[data-theme="dark"] .alert-error {
  background: var(--error-50);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.15);
}

html[data-theme="dark"] .alert-info {
  background: var(--info-50);
  color: #60a5fa;
  border-color: rgba(59, 130, 246, 0.15);
}

/* Toast notifications (positioned alerts) */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toast {
  min-width: 300px;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}

.toast-enter {
  animation: slideInLeft 300ms var(--ease-out-expo) forwards;
}

.toast-exit {
  animation: fadeOut 200ms var(--ease-smooth) forwards;
}

@keyframes fadeOut {
  to {
    opacity: 0;
    transform: translateX(20px);
  }
}

/* ============================================================================
   Premium Tabs
   ============================================================================ */
.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--border-light);
  margin-bottom: var(--space-5);
}

.tab {
  position: relative;
  padding: var(--space-3) var(--space-4);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-tertiary);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast);
  cursor: pointer;
}

.tab:hover {
  color: var(--text-secondary);
}

.tab.active {
  color: var(--text-primary);
  border-bottom-color: var(--text-primary);
}

.tab-count {
  margin-left: var(--space-2);
  padding: 2px 7px;
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--bg-muted);
  font-variant-numeric: tabular-nums;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
}

.tab.active .tab-count {
  background: var(--text-primary);
  color: var(--text-inverse);
}

/* Pill-style tabs */
.tabs-pills {
  border-bottom: none;
  background: var(--bg-muted);
  padding: 4px;
  border-radius: var(--radius-lg);
  gap: 4px;
}

.tabs-pills .tab {
  padding: 8px 16px;
  border-bottom: none;
  border-radius: var(--radius-md);
  margin-bottom: 0;
}

.tabs-pills .tab.active {
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

/* Underline animated tabs */
.tabs-animated {
  position: relative;
}

.tabs-animated::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--transition-base), width var(--transition-base);
}

/* Vertical tabs */
.tabs-vertical {
  flex-direction: column;
  border-bottom: none;
  border-right: 1px solid var(--border-light);
  gap: 2px;
}

.tabs-vertical .tab {
  border-bottom: none;
  border-right: 2px solid transparent;
  margin-bottom: 0;
  margin-right: -1px;
  text-align: left;
}

.tabs-vertical .tab.active {
  border-right-color: var(--text-primary);
}

/* ============================================================================
   Premium Dropdowns
   ============================================================================ */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--space-2);
  min-width: 200px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-dropdown);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.98);
  transform-origin: top right;
  transition:
    opacity var(--transition-fast),
    visibility var(--transition-fast),
    transform var(--transition-base);
  overflow: hidden;
}

.dropdown-menu-left {
  right: auto;
  left: 0;
  transform-origin: top left;
}

.dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.dropdown-header {
  padding: var(--space-3) var(--space-4);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-light);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px var(--space-4);
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
}

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

.dropdown-item:active {
  background: var(--bg-active);
}

.dropdown-item svg {
  width: 16px;
  height: 16px;
  opacity: 0.7;
  flex-shrink: 0;
}

.dropdown-item:hover svg {
  opacity: 1;
}

.dropdown-item-description {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* Dropdown item variants */
.dropdown-item-danger {
  color: var(--error);
}

.dropdown-item-danger:hover {
  background: var(--error-50);
  color: var(--error);
}

.dropdown-item-success {
  color: var(--success);
}

.dropdown-item-success:hover {
  background: var(--success-50);
  color: var(--success);
}

/* Dropdown divider */
.dropdown-divider {
  height: 1px;
  background: var(--border-light);
  margin: var(--space-2) 0;
}

/* Dropdown with checkmarks */
.dropdown-item-check {
  padding-left: var(--space-10);
  position: relative;
}

.dropdown-item-check.checked::before {
  content: '';
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-size: contain;
  opacity: 0.8;
}

/* Nested dropdown */
.dropdown-submenu {
  position: relative;
}

.dropdown-submenu .dropdown-menu {
  top: -8px;
  left: 100%;
  right: auto;
  margin-top: 0;
  margin-left: 4px;
}

.dropdown-submenu:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* ============================================================================
   Premium Modal
   ============================================================================ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-base),
    visibility var(--transition-base);
}

html[data-theme="dark"] .modal-backdrop {
  background: rgba(0, 0, 0, 0.75);
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-modal);
  max-width: 500px;
  width: calc(100% - 32px);
  max-height: calc(100vh - 64px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.95) translateY(10px);
  opacity: 0;
  transition:
    transform var(--transition-slower),
    opacity var(--transition-base);
}

.modal-backdrop.open .modal {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* Modal sizes */
.modal-sm {
  max-width: 380px;
}

.modal-lg {
  max-width: 640px;
}

.modal-xl {
  max-width: 800px;
}

.modal-full {
  max-width: calc(100% - 64px);
  max-height: calc(100% - 64px);
}

.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  flex-shrink: 0;
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: var(--letter-tight);
  color: var(--text-primary);
}

.modal-subtitle {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 4px;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-tertiary);
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
  flex-shrink: 0;
  margin: -4px -8px 0 0;
}

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

.modal-close svg {
  width: 20px;
  height: 20px;
}

.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  flex: 1;
}

.modal-body-compact {
  padding: var(--space-5);
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  background: var(--bg-muted);
  flex-shrink: 0;
}

.modal-footer-left {
  justify-content: space-between;
}

/* Modal with icon header */
.modal-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--bg-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.modal-icon svg {
  width: 24px;
  height: 24px;
  color: var(--text-secondary);
}

.modal-icon-success {
  background: var(--success-light);
}

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

.modal-icon-warning {
  background: var(--warning-light);
}

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

.modal-icon-error {
  background: var(--error-light);
}

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

/* Confirmation modal centered */
.modal-confirm .modal-body {
  text-align: center;
  padding: var(--space-8) var(--space-6);
}

.modal-confirm .modal-icon {
  margin: 0 auto var(--space-4);
}

.modal-confirm .modal-footer {
  justify-content: center;
}

/* ============================================================================
   Premium Progress & Loading
   ============================================================================ */
.progress {
  height: 6px;
  background: var(--bg-muted);
  border-radius: var(--radius-full);
  overflow: hidden;
  box-shadow: var(--shadow-inset);
}

.progress-bar {
  height: 100%;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slower);
  position: relative;
}

/* Animated shine effect */
.progress-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 100%
  );
  animation: shimmer 2s infinite;
}

/* Progress sizes */
.progress-sm {
  height: 4px;
}

.progress-lg {
  height: 10px;
}

/* Progress colors */
.progress-success .progress-bar {
  background: var(--success);
}

.progress-warning .progress-bar {
  background: var(--warning);
}

.progress-error .progress-bar {
  background: var(--error);
}

/* Progress with label */
.progress-labeled {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.progress-labeled .progress {
  flex: 1;
}

.progress-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  min-width: 40px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Circular progress */
.progress-circle {
  position: relative;
  width: 48px;
  height: 48px;
}

.progress-circle svg {
  transform: rotate(-90deg);
}

.progress-circle-track {
  stroke: var(--bg-muted);
  fill: none;
}

.progress-circle-bar {
  stroke: var(--text-primary);
  fill: none;
  stroke-linecap: round;
  transition: stroke-dashoffset var(--transition-slower);
}

.progress-circle-value {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
}

/* Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-light);
  border-top-color: var(--text-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner-lg {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

.spinner-xl {
  width: 48px;
  height: 48px;
  border-width: 4px;
}

/* Spinner colors */
.spinner-primary {
  border-color: var(--brand-light);
  border-top-color: var(--text-primary);
}

.spinner-white {
  border-color: rgba(255, 255, 255, 0.3);
  border-top-color: white;
}

/* Dots loading */
.loading-dots {
  display: flex;
  gap: 4px;
}

.loading-dots span {
  width: 6px;
  height: 6px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: loadingDot 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }
.loading-dots span:nth-child(3) { animation-delay: 0s; }

@keyframes loadingDot {
  0%, 80%, 100% {
    transform: scale(0.6);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Full page loading overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, var(--bg-page) 80%, transparent);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

.loading-overlay-content {
  text-align: center;
}

.loading-overlay-text {
  margin-top: var(--space-4);
  font-size: 14px;
  color: var(--text-secondary);
}

/* ============================================================================
   Utility Classes
   ============================================================================ */
.text-sm { font-size: 12px; }
.text-base { font-size: 14px; }
.text-lg { font-size: 16px; }
.text-xl { font-size: 18px; }
.text-2xl { font-size: 24px; }
.text-3xl { font-size: 32px; }

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

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

.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }

.text-center { text-align: center; }
.text-right { text-align: right; }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.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-full); }

.border { border: 1px solid var(--border-default); }
.border-t { border-top: 1px solid var(--border-light); }
.border-b { border-bottom: 1px solid var(--border-light); }

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

.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }

.px-2 { padding-left: var(--space-2); padding-right: var(--space-2); }
.px-3 { padding-left: var(--space-3); padding-right: var(--space-3); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }

.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }

.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-auto { margin-top: auto; }

.space-y-2 > * + * { margin-top: var(--space-2); }
.space-y-3 > * + * { margin-top: var(--space-3); }
.space-y-4 > * + * { margin-top: var(--space-4); }
.space-y-6 > * + * { margin-top: var(--space-6); }

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

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .md\:flex { display: flex; }
  .md\:hidden { display: none; }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ============================================================================
   Premium Animation System
   ============================================================================ */

/* Entrance Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(-16px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(16px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Micro-interactions */
@keyframes pressDown {
  0% { transform: scale(1); }
  50% { transform: scale(0.97); }
  100% { transform: scale(1); }
}

@keyframes popIn {
  0% { transform: scale(0.9); opacity: 0; }
  70% { transform: scale(1.02); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-4px); }
  40%, 80% { transform: translateX(4px); }
}

/* Loading & Status */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes pulseGlow {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 0 0 currentColor;
  }
  50% {
    opacity: 0.8;
    box-shadow: 0 0 0 4px transparent;
  }
}

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

/* Stagger delays for lists */
@keyframes staggerFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Animation Utility Classes */
.animate-fade-in {
  animation: fadeIn 200ms var(--ease-out) forwards;
}

.animate-fade-in-up {
  animation: fadeInUp 300ms var(--ease-out-expo) forwards;
}

.animate-fade-in-down {
  animation: fadeInDown 300ms var(--ease-out-expo) forwards;
}

.animate-fade-in-scale {
  animation: fadeInScale 250ms var(--ease-out-expo) forwards;
}

.animate-slide-up {
  animation: slideUp 250ms var(--ease-out-expo) forwards;
}

.animate-slide-in-right {
  animation: slideInRight 300ms var(--ease-out-expo) forwards;
}

.animate-slide-in-left {
  animation: slideInLeft 300ms var(--ease-out-expo) forwards;
}

.animate-pop-in {
  animation: popIn 300ms var(--ease-spring) forwards;
}

.animate-press {
  animation: pressDown 150ms var(--ease-smooth);
}

.animate-shake {
  animation: shake 400ms var(--ease-smooth);
}

.animate-pulse {
  animation: pulse 2s var(--ease-smooth) infinite;
}

.animate-pulse-glow {
  animation: pulseGlow 2s var(--ease-smooth) infinite;
}

.animate-float {
  animation: float 3s var(--ease-smooth) infinite;
}

.animate-breathe {
  animation: breathe 4s var(--ease-smooth) infinite;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

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

/* Staggered Children Animation */
.stagger-children > * {
  opacity: 0;
  animation: staggerFadeIn 300ms var(--ease-out-expo) forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0ms; }
.stagger-children > *:nth-child(2) { animation-delay: 50ms; }
.stagger-children > *:nth-child(3) { animation-delay: 100ms; }
.stagger-children > *:nth-child(4) { animation-delay: 150ms; }
.stagger-children > *:nth-child(5) { animation-delay: 200ms; }
.stagger-children > *:nth-child(6) { animation-delay: 250ms; }
.stagger-children > *:nth-child(7) { animation-delay: 300ms; }
.stagger-children > *:nth-child(8) { animation-delay: 350ms; }
.stagger-children > *:nth-child(9) { animation-delay: 400ms; }
.stagger-children > *:nth-child(10) { animation-delay: 450ms; }

/* Hover Transitions */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-2px);
}

.hover-scale {
  transition: transform var(--transition-fast);
}

.hover-scale:hover {
  transform: scale(1.02);
}

.hover-glow {
  transition: box-shadow var(--transition-base);
}

/* Active Press States */
.press-scale:active {
  transform: scale(0.98);
}

/* Accessibility: Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .skeleton {
    animation: none;
    background: var(--bg-muted);
  }

  .stagger-children > * {
    opacity: 1;
    animation: none;
  }
}

/* ============================================================================
   Legacy Compatibility
   ============================================================================ */
/* Keep these for backward compatibility with existing templates */
.nav a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.nav a:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav a.active {
  background: var(--bg-active);
  color: var(--text-primary);
}

.kpi {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4);
}

.kpi .k {
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.kpi .v {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.header-accent {
  display: none; /* Remove the colored bar */
}

/* Flash message compatibility */
[data-flash] {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 13px;
  margin-bottom: var(--space-4);
}