/* GoFFL Component Library - Reusable UI Components */

/* =================================
   Semantic Color Extensions
   ================================= */
:root {
  /* Status colors for rankings */
  --color-playoff-bound: var(--color-success-600);
  --color-playoff-bubble: var(--color-warning-600);
  --color-eliminated: var(--color-danger-600);

  /* Ranking tier colors */
  --color-rank-elite: var(--color-success-200);
  --color-rank-strong: var(--color-success-100);
  --color-rank-average: var(--color-border);
  --color-rank-weak: var(--color-danger-100);
  --color-rank-poor: var(--color-danger-200);

  /* Additional surface level */
  --color-surface-raised: var(--color-gray-100);

  /* Purple spectrum for special elements */
  --color-purple-50: #faf5ff;
  --color-purple-100: #f3e8ff;
  --color-purple-200: #e9d5ff;
  --color-purple-300: #d8b4fe;
  --color-purple-400: #c084fc;
  --color-purple-500: #a855f7;
  --color-purple-600: #9333ea;
  --color-purple-700: #7e22ce;
  --color-purple-800: #6b21a8;
  --color-purple-900: #581c87;
}

[data-theme="dark"] {
  --color-surface-raised: var(--color-gray-600);
}

/* =================================
   Custom Tooltips (JS-based with smart positioning)
   ================================= */
[data-tooltip] {
  position: relative;
  cursor: help;
}

/* Tooltip container created by JS */
.tooltip {
  position: fixed;
  padding: 0.625rem 0.875rem;
  background: var(--color-gray-900);
  color: white;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.5;
  white-space: nowrap;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(0, 0, 0, 0.2);
  opacity: 0;
  pointer-events: none;
  z-index: 9999;
  transition: opacity 0.15s ease;
  max-width: 280px;
  white-space: normal;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.tooltip.show {
  opacity: 1;
}

.tooltip-arrow {
  position: absolute;
  width: 0;
  height: 0;
  border: 6px solid transparent;
}

.tooltip[data-placement="top"] .tooltip-arrow {
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  border-top-color: var(--color-gray-900);
}

.tooltip[data-placement="bottom"] .tooltip-arrow {
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  border-bottom-color: var(--color-gray-900);
}

.tooltip[data-placement="left"] .tooltip-arrow {
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  border-left-color: var(--color-gray-900);
}

.tooltip[data-placement="right"] .tooltip-arrow {
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
  border-right-color: var(--color-gray-900);
}

[data-theme="dark"] .tooltip {
  background: var(--color-gray-800);
  border: 1px solid var(--color-gray-700);
}

[data-theme="dark"] .tooltip[data-placement="top"] .tooltip-arrow {
  border-top-color: var(--color-gray-800);
}

[data-theme="dark"] .tooltip[data-placement="bottom"] .tooltip-arrow {
  border-bottom-color: var(--color-gray-800);
}

[data-theme="dark"] .tooltip[data-placement="left"] .tooltip-arrow {
  border-left-color: var(--color-gray-800);
}

[data-theme="dark"] .tooltip[data-placement="right"] .tooltip-arrow {
  border-right-color: var(--color-gray-800);
}

/* =================================
   Typography Utilities
   ================================= */
.text-xs {
  font-size: 0.75rem;     /* 12px */
  line-height: 1.25;
}

.text-sm {
  font-size: 0.875rem;    /* 14px */
  line-height: 1.4;
}

.text-base {
  font-size: 1rem;        /* 16px */
  line-height: 1.5;
}

.text-lg {
  font-size: 1.125rem;    /* 18px */
  line-height: 1.5;
}

.text-xl {
  font-size: 1.25rem;     /* 20px */
  line-height: 1.4;
}

.text-2xl {
  font-size: 1.5rem;      /* 24px */
  line-height: 1.3;
}

.text-3xl {
  font-size: 1.875rem;    /* 30px */
  line-height: 1.25;
}

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

/* =================================
   Animation System
   ================================= */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.fade-in {
  animation: fadeIn var(--transition-base) ease-out;
}

.slide-in-right {
  animation: slideInRight var(--transition-base) ease-out;
}

/* Staggered list animations */
.stagger-list > * {
  animation: fadeIn var(--transition-base) ease-out backwards;
}

.stagger-list > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-list > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-list > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-list > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-list > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-list > *:nth-child(n+6) { animation-delay: 0.3s; }

/* =================================
   Sidebar Layout
   ================================= */
.sidebar-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 2rem;
  align-items: start;
  min-height: calc(100vh - 8rem);
}

.sidebar {
  position: sticky;
  top: 1rem;
  max-height: calc(100vh - 10rem);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.sidebar::-webkit-scrollbar {
  width: 6px;
}

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

.sidebar::-webkit-scrollbar-thumb {
  background-color: var(--color-border);
  border-radius: 3px;
}

.sidebar-section {
  margin-bottom: 1.5rem;
}

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

.main-content {
  min-width: 0; /* Prevent grid blowout */
}

@media (max-width: 1024px) {
  .sidebar-layout {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .sidebar {
    position: static;
    max-height: none;
    overflow-y: visible;
  }
}

/* =================================
   Data Card Component
   ================================= */
.data-card {
  background-color: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
  overflow: hidden;
}

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

.data-card.interactive {
  cursor: pointer;
}

.data-card.interactive:hover {
  transform: translateY(-2px);
}

.data-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(to bottom, var(--color-surface-elevated), var(--color-surface));
}

.data-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
  flex: 1;
}

.data-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  color: var(--color-text-secondary);
}

.data-card-badge {
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.data-card-badge.success {
  background-color: var(--color-success-100);
  color: var(--color-success-700);
}

.data-card-badge.danger {
  background-color: var(--color-danger-100);
  color: var(--color-danger-700);
}

.data-card-badge.warning {
  background-color: var(--color-warning-100);
  color: var(--color-warning-700);
}

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

.data-card-body {
  padding: 1rem;
}

.data-card-body.compact {
  padding: 0.75rem;
}

.data-card-footer {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* Card variants */
.data-card.compact {
  box-shadow: var(--shadow-sm);
}

.data-card.compact .data-card-header {
  padding: 0.75rem;
}

.data-card.compact .data-card-body {
  padding: 0.75rem;
}

.data-card.elevated {
  box-shadow: var(--shadow-lg);
  border-width: 2px;
}

/* =================================
   Stat Card Component
   ================================= */
.stat-card {
  background: linear-gradient(135deg, var(--color-surface-elevated), var(--color-surface));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.stat-card-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.stat-card-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1;
}

.stat-card-unit {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-left: 0.25rem;
}

.stat-card-comparison {
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

.stat-card-comparison.positive {
  color: var(--color-success-600);
}

.stat-card-comparison.negative {
  color: var(--color-danger-600);
}

/* Stat card type variants */
.stat-card.primary {
  border-left: 4px solid var(--color-primary-500);
}

.stat-card.success {
  border-left: 4px solid var(--color-success-500);
}

.stat-card.danger {
  border-left: 4px solid var(--color-danger-500);
}

.stat-card.warning {
  border-left: 4px solid var(--color-warning-500);
}

/* =================================
   Metric Grid Component
   ================================= */
.metric-grid {
  display: grid;
  gap: 1rem;
  margin: 1rem 0;
}

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

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

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

@media (max-width: 768px) {
  .metric-grid.cols-3,
  .metric-grid.cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .metric-grid.cols-2,
  .metric-grid.cols-3,
  .metric-grid.cols-4 {
    grid-template-columns: 1fr;
  }
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem;
  background-color: var(--color-surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  transition: background-color var(--transition-fast);
}

.metric-item:hover {
  background-color: var(--color-surface-raised);
}

.metric-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-value {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.metric-value.success {
  color: var(--color-success-600);
}

.metric-value.danger {
  color: var(--color-danger-600);
}

.metric-value.warning {
  color: var(--color-warning-600);
}

.metric-value.info {
  color: var(--color-primary-600);
}

/* =================================
   Legend Component
   ================================= */
.legend {
  padding: 1rem;
  background-color: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.legend.compact {
  padding: 0.75rem;
}

.legend-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 0.75rem 0;
}

.legend-items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.legend-indicator {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
}

.legend-indicator.circle {
  border-radius: 50%;
}

.legend-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* =================================
   Empty State Component
   ================================= */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--color-text-secondary);
}

.empty-state-icon {
  margin: 0 auto 1.5rem;
  color: var(--color-text-tertiary);
  opacity: 0.5;
}

.empty-state-icon svg {
  width: 64px;
  height: 64px;
}

.empty-state-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text-primary);
}

.empty-state-message {
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.empty-state-action {
  margin-top: 1.5rem;
}

/* =================================
   Page Container & Header
   ================================= */
.page-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

@media (min-width: 768px) {
  .page-container {
    padding: 2rem 1.5rem;
  }
}

@media (min-width: 1024px) {
  .page-container {
    padding: 2rem 2rem;
  }
}

.page-header {
  margin-bottom: 2rem;
}

.page-heading {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 0.5rem 0;
  line-height: 1.2;
}

.page-description {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.5;
}

.page-header-inline {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

/* =================================
   Badge Component
   ================================= */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
}

.badge.success {
  background-color: var(--color-success-100);
  color: var(--color-success-700);
}

.badge.danger {
  background-color: var(--color-danger-100);
  color: var(--color-danger-700);
}

.badge.warning {
  background-color: var(--color-warning-100);
  color: var(--color-warning-700);
}

.badge.info {
  background-color: var(--color-primary-100);
  color: var(--color-primary-700);
}

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

/* Badge sizes */
.badge.sm {
  padding: 0.125rem 0.5rem;
  font-size: 0.625rem;
}

.badge.lg {
  padding: 0.375rem 1rem;
  font-size: 0.875rem;
}

/* =================================
   Expandable Section
   ================================= */
details.expandable {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

details.expandable summary {
  cursor: pointer;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-surface);
  transition: background-color var(--transition-fast);
  user-select: none;
}

details.expandable summary:hover {
  background-color: var(--color-surface-raised);
}

details.expandable summary::-webkit-details-marker {
  display: none;
}

details.expandable summary .chevron {
  transition: transform var(--transition-fast);
}

details.expandable[open] summary .chevron {
  transform: rotate(180deg);
}

details.expandable .details-content {
  padding: 1rem;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface-elevated);
}

/* =================================
   Utility Classes
   ================================= */
.interactive-card {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  cursor: pointer;
}

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

.section-divider {
  height: 1px;
  background-color: var(--color-border);
  margin: 2rem 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}