/* ===== VARIABLES CSS ===== */
:root {
  /* Colors - Notion-inspired palette */
  --color-primary: #2563eb;
  --color-primary-light: #3b82f6;
  --color-primary-dark: #1d4ed8;
  
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #06b6d4;
  
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-tertiary: #f1f5f9;
  
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-tertiary: #94a3b8;
  
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

/* ===== DARK MODE VARIABLES ===== */
[data-theme="dark"] {
  --color-bg-primary: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-bg-tertiary: #334155;
  
  --color-text-primary: #f8fafc;
  --color-text-secondary: #cbd5e1;
  --color-text-tertiary: #64748b;
  
  --color-border: #334155;
  --color-border-light: #475569;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ===== LAYOUT ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ===== HEADER ===== */
.header {
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  transition: all var(--transition-normal);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) 0;
}

.logo-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.logo {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
}

.subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

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

.date-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--spacing-xs);
}

.date-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.date-value {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
}

.refresh-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.refresh-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.refresh-btn:active {
  transform: translateY(0);
}

.refresh-icon {
  animation: rotate 2s linear infinite paused;
}

.refresh-btn:hover .refresh-icon {
  animation-play-state: running;
}

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

/* ===== MAIN CONTENT ===== */
.main-content {
  padding: var(--spacing-2xl) 0;
  min-height: calc(100vh - 200px);
}

/* ===== SECTIONS ===== */
section {
  margin-bottom: var(--spacing-2xl);
}

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

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
}

/* ===== SUMMARY SECTION ===== */
.health-indicator {
  display: flex;
  align-items: center;
}

.health-status {
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.health-status.good {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.health-status.warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

.health-status.critical {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

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

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

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

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

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

.card-icon {
  font-size: var(--font-size-lg);
}

.card-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-value {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.value {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.change {
  font-size: var(--font-size-sm);
  font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
}

.change.positive {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.change.negative {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
}

.change.neutral {
  background: rgba(148, 163, 184, 0.1);
  color: var(--color-text-tertiary);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

/* ===== CHARTS SECTION ===== */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: var(--spacing-xl);
}

.chart-container {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
}

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

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
}

.chart-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
}

.chart-controls {
  display: flex;
  gap: var(--spacing-xs);
}

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

.chart-btn:hover {
  background: var(--color-bg-tertiary);
}

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

.chart-wrapper {
  position: relative;
  height: 300px;
}

.kpi-summary {
  display: flex;
  gap: var(--spacing-lg);
}

.kpi-item {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ===== PERFORMERS LIST ===== */
.performers-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.performer-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.performer-item:hover {
  background: var(--color-bg-tertiary);
  transform: translateX(4px);
}

.performer-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.performer-name {
  font-weight: 600;
  color: var(--color-text-primary);
}

.performer-sector {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.performer-value {
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.performer-value.positive {
  color: var(--color-success);
}

/* ===== ALERTS SECTION ===== */
.alerts-count {
  background: var(--color-warning);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.alerts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-lg);
}

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

.alert-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: var(--radius-sm);
}

.alert-card.high::before {
  background: var(--color-error);
}

.alert-card.medium::before {
  background: var(--color-warning);
}

.alert-card.low::before {
  background: var(--color-info);
}

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

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

.alert-icon {
  font-size: var(--font-size-lg);
}

.alert-type {
  font-weight: 600;
  color: var(--color-text-primary);
}

.alert-severity {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-left: auto;
}

.alert-severity.high {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
}

.alert-severity.medium {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

.alert-severity.low {
  background: rgba(6, 182, 212, 0.1);
  color: var(--color-info);
}

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

.alert-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.action-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

/* ===== ACTION PLAN SECTION ===== */
.export-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.export-btn:hover {
  background: var(--color-bg-tertiary);
  transform: translateY(-1px);
}

.subsection-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
}

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

.action-item {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.action-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.action-priority {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  height: fit-content;
}

.action-item.high .action-priority {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
}

.action-item.medium .action-priority {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

.action-details h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

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

.action-meta {
  display: flex;
  gap: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.footer-actions {
  display: flex;
  gap: var(--spacing-md);
}

.footer-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.footer-btn:hover {
  background: var(--color-bg-tertiary);
}

/* ===== LOADING OVERLAY ===== */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ===== RESPONSIVE DESIGN ===== */

/* Large screens (1200px+) */
@media (min-width: 1200px) {
  .container {
    max-width: 1400px;
  }
  
  .charts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .summary-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Medium screens (768px - 1199px) */
@media (max-width: 1199px) and (min-width: 768px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
  
  .summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .chart-wrapper {
    height: 350px;
  }
}

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) and (min-width: 768px) {
  .header-actions {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: flex-end;
  }
  
  .date-info {
    align-items: center;
  }
  
  .section-header {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: flex-start;
  }
  
  .kpi-summary {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

/* Small tablets and large phones (768px and below) */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .header-content {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
    padding: var(--spacing-md) 0;
  }
  
  .logo {
    font-size: var(--font-size-xl);
  }
  
  .header-actions {
    width: 100%;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  
  .date-info {
    align-items: flex-start;
  }
  
  .summary-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .summary-card {
    padding: var(--spacing-lg);
  }
  
  .value {
    font-size: var(--font-size-2xl);
  }
  
  .charts-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .chart-header {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: flex-start;
  }
  
  .chart-controls {
    width: 100%;
    justify-content: center;
  }
  
  .chart-wrapper {
    height: 280px;
  }
  
  .alerts-grid {
    grid-template-columns: 1fr;
  }
  
  .alert-card {
    padding: var(--spacing-lg);
  }
  
  .action-item {
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
  }
  
  .action-meta {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
  
  .footer-actions {
    justify-content: center;
  }
  
  /* Modal adjustments */
  .modal-overlay {
    padding: var(--spacing-md);
  }
  
  .modal-content {
    max-height: 90vh;
  }
  
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--spacing-lg);
  }
  
  .modal-footer {
    flex-direction: column;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .main-content {
    padding: var(--spacing-lg) 0;
  }
  
  .section-header {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: flex-start;
  }
  
  .chart-wrapper {
    height: 250px;
  }
  
  .value {
    font-size: var(--font-size-2xl);
  }
}

/* ===== ANIMATIONS & MICRO-INTERACTIONS ===== */

/* Keyframe animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.02);
  }
}

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    transform: translate3d(0, 0, 0);
  }
  40%, 43% {
    transform: translate3d(0, -8px, 0);
  }
  70% {
    transform: translate3d(0, -4px, 0);
  }
  90% {
    transform: translate3d(0, -2px, 0);
  }
}

@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-2px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(2px);
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(37, 99, 235, 0.3);
  }
  50% {
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.6);
  }
}

@keyframes progressBar {
  0% {
    width: 0%;
  }
  100% {
    width: 100%;
  }
}

@keyframes typewriter {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes blink {
  0%, 50% {
    opacity: 1;
  }
  51%, 100% {
    opacity: 0;
  }
}

/* Micro-interactions for buttons */
button, .chart-btn, .action-btn, .footer-btn {
  position: relative;
  overflow: hidden;
  transition: all var(--transition-fast);
}

button::before, .chart-btn::before, .action-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease;
}

button:active::before, .chart-btn:active::before, .action-btn:active::before {
  width: 300px;
  height: 300px;
}

/* Hover effects for cards */
.summary-card, .chart-container, .alert-card, .action-item {
  transition: all var(--transition-normal);
  position: relative;
}

.summary-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

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

.alert-card:hover {
  transform: translateY(-2px) translateX(4px);
  box-shadow: var(--shadow-lg);
}

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

/* Loading states */
.loading-skeleton {
  background: linear-gradient(90deg, 
    var(--color-bg-secondary) 25%, 
    var(--color-bg-tertiary) 50%, 
    var(--color-bg-secondary) 75%);
  background-size: 200% 100%;
  animation: loading-shimmer 1.5s infinite;
}

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

/* Progress indicators */
.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-sm);
  animation: progressBar 2s ease-out forwards;
}

/* Interactive elements */
.interactive-element {
  cursor: pointer;
  transition: all var(--transition-fast);
}

.interactive-element:hover {
  transform: scale(1.05);
}

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

/* Notification animations */
.notification-enter {
  animation: slideInRight 0.3s ease-out;
}

.notification-exit {
  animation: slideOutRight 0.3s ease-in forwards;
}

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

/* Chart hover effects */
.chart-wrapper:hover {
  transform: scale(1.01);
  transition: transform var(--transition-normal);
}

/* Value counter animation */
.value-counter {
  display: inline-block;
  transition: all var(--transition-slow);
}

.value-counter.updating {
  animation: pulse 0.5s ease-in-out;
  color: var(--color-primary);
}

/* Status indicators */
.status-indicator {
  position: relative;
  display: inline-block;
}

.status-indicator::after {
  content: '';
  position: absolute;
  top: 0;
  right: -2px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.status-indicator.online::after {
  background: var(--color-success);
}

.status-indicator.warning::after {
  background: var(--color-warning);
}

.status-indicator.offline::after {
  background: var(--color-error);
}

/* Tooltip animations */
.tooltip {
  position: absolute;
  background: rgba(0, 0, 0, 0.9);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  z-index: 1000;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  pointer-events: none;
}

.tooltip.show {
  opacity: 1;
  transform: translateY(0);
}

/* Focus animations */
*:focus {
  outline: none;
  position: relative;
}

*:focus::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border: 2px solid var(--color-primary);
  border-radius: inherit;
  animation: glow 1s ease-in-out infinite alternate;
}

/* Apply staggered animations */
.summary-card {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

.summary-card:nth-child(1) { animation-delay: 0.1s; }
.summary-card:nth-child(2) { animation-delay: 0.2s; }
.summary-card:nth-child(3) { animation-delay: 0.3s; }
.summary-card:nth-child(4) { animation-delay: 0.4s; }

.chart-container {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

.chart-container:nth-child(1) { animation-delay: 0.5s; }
.chart-container:nth-child(2) { animation-delay: 0.6s; }
.chart-container:nth-child(3) { animation-delay: 0.7s; }
.chart-container:nth-child(4) { animation-delay: 0.8s; }

.alert-card {
  opacity: 0;
  animation: slideInLeft 0.6s ease-out forwards;
}

.alert-card:nth-child(1) { animation-delay: 0.9s; }
.alert-card:nth-child(2) { animation-delay: 1.0s; }

.action-item {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

.action-item:nth-child(1) { animation-delay: 1.1s; }
.action-item:nth-child(2) { animation-delay: 1.2s; }

/* Scroll-triggered animations */
.scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.scroll-animate.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Interactive data visualization */
.data-point {
  transition: all var(--transition-fast);
  cursor: pointer;
}

.data-point:hover {
  transform: scale(1.2);
  filter: brightness(1.2);
}

/* Error state animations */
.error-state {
  animation: shake 0.5s ease-in-out;
}

.success-state {
  animation: bounce 0.6s ease-out;
}

/* Loading dots */
.loading-dots {
  display: inline-block;
}

.loading-dots::after {
  content: '';
  animation: loadingDots 1.5s infinite;
}

@keyframes loadingDots {
  0%, 20% {
    content: '';
  }
  40% {
    content: '.';
  }
  60% {
    content: '..';
  }
  80%, 100% {
    content: '...';
  }
}

/* ===== MODALS ===== */
.alert-modal,
.help-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  animation: fadeIn 0.3s ease-out;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.modal-content {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  animation: slideInUp 0.3s ease-out;
}

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

.modal-header h3 {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  color: var(--color-text-tertiary);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

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

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

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

.btn-primary,
.btn-secondary {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

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

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

.alert-recommendations {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
}

.alert-recommendations h4 {
  margin: 0 0 var(--spacing-md) 0;
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
}

.alert-recommendations ul {
  margin: 0;
  padding-left: var(--spacing-lg);
}

.alert-recommendations li {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

.help-section {
  margin-bottom: var(--spacing-lg);
}

.help-section h4 {
  margin: 0 0 var(--spacing-sm) 0;
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
}

.help-section p {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== NOTIFICATIONS ===== */
.notification,
.error-notification {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 1100;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  animation: slideInRight 0.3s ease-out;
}

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

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

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

.notification-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
}

.notification-icon {
  font-size: var(--font-size-lg);
}

.notification-message {
  flex: 1;
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.notification-close {
  background: none;
  border: none;
  font-size: var(--font-size-lg);
  color: var(--color-text-tertiary);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.notification-close:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
}

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

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles */
button:focus,
.chart-btn:focus,
.action-btn:focus,
.footer-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --color-border: #000000;
    --color-text-secondary: #000000;
  }
}