/**
 * D3 Charts Styles
 * ================
 * Styles for D3.js visualizations in Terminal D&D.
 * Includes: radar charts, dice animations, distribution charts,
 * initiative wheels, and relationship networks.
 */

/* ==========================================================================
   Common D3 Styles
   ========================================================================== */

.d3-chart-container {
  position: relative;
  width: 100%;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.d3-chart-svg {
  display: block;
  max-width: 100%;
  height: auto;
}

.d3-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  text-align: center;
  color: var(--text-secondary);
  min-height: 150px;
}

.d3-empty-state__icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
  opacity: 0.5;
}

.d3-empty-state__text {
  font-size: var(--font-size-sm);
}

.d3-empty-state__hint {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
}

/* D3 Tooltip */
.d3-tooltip {
  position: fixed;
  z-index: 9999;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  pointer-events: none;
  animation: d3-tooltip-fade-in 0.15s ease-out;
}

.d3-tooltip__header {
  font-weight: bold;
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

.d3-tooltip__body {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.d3-tooltip__score {
  font-size: var(--font-size-lg);
  font-weight: bold;
  color: var(--text-primary);
}

.d3-tooltip__mod {
  color: var(--text-secondary);
  margin-left: var(--spacing-xs);
}

@keyframes d3-tooltip-fade-in {
  from {
    opacity: 0;
    transform: translate(-50%, calc(-100% - 5px));
  }
  to {
    opacity: 1;
    transform: translate(-50%, -100%);
  }
}

/* ==========================================================================
   Ability Radar Chart
   ========================================================================== */

.d3-ability-radar {
  overflow: visible;
}

.radar-levels polygon {
  transition: stroke-opacity 0.2s ease;
}

.radar-area {
  transition: fill-opacity 0.3s ease, stroke-width 0.2s ease;
}

.radar-point {
  transition: r 0.2s ease;
}

.radar-point-hitarea:hover + .radar-point,
.radar-point:hover {
  r: 6;
}

.radar-label text {
  transition: fill 0.2s ease;
}

@keyframes radar-pulse {
  0%, 100% {
    opacity: 0.8;
  }
  50% {
    opacity: 1;
  }
}

/* Ability radar container on character sheet */
.ability-radar-container {
  width: 100%;
  max-width: 300px;
  aspect-ratio: 1;
  margin: var(--spacing-md) auto;
}

/* ==========================================================================
   Dice Animation
   ========================================================================== */

.dice-animation-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  animation: dice-overlay-fade-in 0.2s ease-out;
}

.dice-animation-overlay--closing {
  animation: dice-overlay-fade-out 0.2s ease-out forwards;
}

@keyframes dice-overlay-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes dice-overlay-fade-out {
  from { opacity: 1; }
  to { opacity: 0; }
}

.dice-animation-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.dice-animation-svg {
  width: 120px;
  height: 120px;
}

.dice-animation-result {
  text-align: center;
}

.dice-animation-type {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.dice-animation-total {
  font-size: 4rem;
  font-weight: bold;
  color: var(--accent-primary);
  line-height: 1;
  animation: dice-result-pop 0.4s ease-out 0.4s backwards;
}

.dice-animation-total.critical {
  color: var(--accent-secondary);
  text-shadow: 0 0 20px var(--accent-secondary);
}

.dice-animation-total.fumble {
  color: var(--accent-error);
  text-shadow: 0 0 20px var(--accent-error);
}

.dice-animation-crit-text,
.dice-animation-fumble-text {
  font-size: var(--font-size-lg);
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  animation: dice-crit-text 0.5s ease-out 0.6s backwards;
}

.dice-animation-crit-text {
  color: var(--accent-secondary);
}

.dice-animation-fumble-text {
  color: var(--accent-error);
}

@keyframes dice-result-pop {
  from {
    opacity: 0;
    transform: scale(0.5);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes dice-crit-text {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   Dice Distribution Chart
   ========================================================================== */

.d3-dice-distribution {
  overflow: visible;
}

.dice-distribution-container {
  width: 100%;
  min-height: 180px;
}

.dice-distribution-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  border-top: 1px solid var(--border-color);
  margin-top: var(--spacing-sm);
}

.dice-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dice-stat__label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-transform: uppercase;
}

.dice-stat__value {
  font-size: var(--font-size-md);
  font-weight: bold;
  color: var(--text-primary);
}

.dice-stat__value.above {
  color: var(--accent-secondary);
}

.dice-stat__value.below {
  color: var(--accent-warning);
}

.dice-stat__value.crit {
  color: var(--accent-secondary);
}

.dice-stat__value.fumble {
  color: var(--accent-error);
}

.dice-stats-empty {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-style: italic;
}

/* Bar styling */
.bar {
  transition: fill 0.2s ease;
}

.bar:hover {
  filter: brightness(1.2);
}

/* ==========================================================================
   Initiative Wheel
   ========================================================================== */

.d3-initiative-wheel {
  overflow: visible;
}

.initiative-wheel-container {
  width: 100%;
  aspect-ratio: 1;
  max-width: 350px;
  margin: 0 auto;
}

.combatant-node {
  transition: transform 0.2s ease;
}

.combatant-node:hover {
  transform: scale(1.05);
}

.combatant-node--active .node-background {
  stroke-width: 3px;
}

@keyframes initiative-pulse {
  0%, 100% {
    opacity: 0.6;
    stroke-width: 3px;
  }
  50% {
    opacity: 1;
    stroke-width: 4px;
  }
}

.active-ring {
  animation: initiative-pulse 1.5s ease-in-out infinite;
}

/* ==========================================================================
   Relationship Network
   ========================================================================== */

.d3-relationship-network {
  overflow: visible;
}

.relationship-network-container {
  width: 100%;
  min-height: 400px;
}

.node {
  transition: transform 0.2s ease;
}

.node:hover {
  transform: scale(1.1);
}

.node--selected circle {
  stroke-width: 3px;
}

.node--center {
  cursor: default;
}

.node--npc {
  cursor: pointer;
}

.link {
  transition: stroke-opacity 0.2s ease, stroke-width 0.2s ease;
}

.node:hover ~ .link,
.link:hover {
  stroke-opacity: 1;
}

/* Network detail card */
.network-detail-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.network-detail-card__name {
  font-size: var(--font-size-md);
  font-weight: bold;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-sm) 0;
}

.network-detail-card__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.network-detail-card__stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.network-detail-card__stat .label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-transform: uppercase;
}

.network-detail-card__stat .value {
  font-size: var(--font-size-sm);
  font-weight: bold;
  color: var(--text-primary);
}

.network-detail-card__stat .value.positive {
  color: var(--accent-secondary);
}

.network-detail-card__stat .value.negative {
  color: var(--accent-error);
}

.network-detail-card__stat .value.friendly {
  color: var(--accent-secondary);
}

.network-detail-card__stat .value.hostile {
  color: var(--accent-error);
}

.network-detail-card__stat .value.neutral {
  color: var(--text-secondary);
}

.network-detail-card__interaction {
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-sm);
}

.network-detail-card__interaction .label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  display: block;
  margin-bottom: 4px;
}

.network-detail-card__interaction p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin: 0;
  font-style: italic;
}

/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */

@media (max-width: 600px) {
  .ability-radar-container {
    max-width: 250px;
  }

  .dice-animation-total {
    font-size: 3rem;
  }

  .initiative-wheel-container {
    max-width: 280px;
  }

  .relationship-network-container {
    min-height: 300px;
  }
}