/*
 * Atomic Design: Atoms
 * ====================
 * Smallest UI components: buttons, badges, chips, inputs, icons.
 * Uses design tokens from: terminal/_tokens.css
 */

/* ========================================
 * Buttons
 * ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-weight: var(--font-weight-medium);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--color-accent-primary);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Button Sizes */
.btn--sm {
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-xs);
}

.btn--md {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn--lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
}

/* Button Variants */
.btn--primary {
  background: var(--color-accent-primary);
  color: var(--color-bg-primary);
  border-color: var(--color-accent-primary);
}

.btn--primary:hover:not(:disabled) {
  background: var(--color-accent-secondary);
  border-color: var(--color-accent-secondary);
}

.btn--secondary {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  border-color: var(--color-border-default);
}

.btn--secondary:hover:not(:disabled) {
  background: var(--color-bg-tertiary);
  border-color: var(--color-border-focus);
}

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

.btn--ghost:hover:not(:disabled) {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

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

.btn--danger:hover:not(:disabled) {
  background: color-mix(in srgb, var(--color-accent-error) 80%, black);
}

.btn__icon {
  display: flex;
  align-items: center;
  font-size: 1em;
}

.btn__text {
  display: flex;
  align-items: center;
}

/* ========================================
 * Badges
 * ======================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Badge Sizes */
.badge--sm {
  padding: 2px var(--space-2);
  font-size: 10px;
}

.badge--md {
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-xs);
}

/* Badge Variants */
.badge--default {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}

.badge--success {
  background: color-mix(in srgb, var(--color-accent-success) 20%, transparent);
  color: var(--color-accent-success);
}

.badge--warning {
  background: color-mix(in srgb, var(--color-accent-warning) 20%, transparent);
  color: var(--color-accent-warning);
}

.badge--danger {
  background: color-mix(in srgb, var(--color-accent-error) 20%, transparent);
  color: var(--color-accent-error);
}

.badge--info {
  background: color-mix(in srgb, var(--color-accent-primary) 20%, transparent);
  color: var(--color-accent-primary);
}

.badge__icon {
  font-size: 0.9em;
}

/* ========================================
 * Chips
 * Extends selection-base for consistent selection behavior
 * See _selection_base.css for shared selection styles
 * ======================================== */

.chip {
  /* Inherit selection base styles via CSS custom properties */
  --selection-border-radius: var(--radius-full);
  --selection-accent: var(--color-accent-primary);

  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--selection-bg, var(--color-bg-secondary));
  border: 1px solid var(--selection-border, var(--color-border-default));
  border-radius: var(--selection-border-radius);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--selection-text, var(--color-text-secondary));
  cursor: pointer;
  transition: var(--selection-transition, all var(--transition-fast));
}

.chip:hover:not(.chip--disabled) {
  background: var(--selection-bg-hover, var(--color-bg-tertiary));
  border-color: var(--selection-border-hover, var(--color-border-focus));
  color: var(--selection-text-hover, var(--color-text-primary));
}

.chip:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--selection-accent, var(--color-accent-primary));
}

.chip--selected {
  background: var(--selection-bg-selected, color-mix(in srgb, var(--selection-accent) 20%, var(--selection-bg)));
  border-color: var(--selection-border-selected, var(--selection-accent));
  color: var(--selection-text-selected, var(--selection-accent));
}

.chip--disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Chip--dimmed state (when others are selected) */
.chip--dimmed {
  opacity: 0.5;
}

.chip--dimmed:hover:not(.chip--disabled) {
  opacity: 0.8;
}

/* Chip Variants - Override accent color */
.chip--skill {
  --selection-accent: var(--color-accent-secondary);
  border-color: var(--selection-accent);
}

.chip--skill.chip--selected {
  background: color-mix(in srgb, var(--selection-accent) 20%, var(--color-bg-secondary));
  border-color: var(--selection-accent);
  color: var(--selection-accent);
}

.chip--spell {
  --selection-accent: var(--color-accent-primary);
  border-color: var(--selection-accent);
}

.chip--spell.chip--selected {
  background: color-mix(in srgb, var(--selection-accent) 20%, var(--color-bg-secondary));
  border-color: var(--selection-accent);
  color: var(--selection-accent);
}

.chip--equipment {
  --selection-accent: var(--color-accent-warning);
  border-color: var(--selection-accent);
}

.chip--equipment.chip--selected {
  background: color-mix(in srgb, var(--selection-accent) 20%, var(--color-bg-secondary));
  border-color: var(--selection-accent);
  color: var(--selection-accent);
}

.chip__text {
  line-height: 1;
}

.chip__check {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chip__check::after {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-bg-primary);
}

/* ========================================
 * Inputs
 * ======================================== */

.input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.input:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-accent-primary) 30%, transparent);
}

.input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--color-bg-tertiary);
}

/* Input Sizes */
.input--sm {
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-sm);
}

.input--lg {
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-lg);
}

/* ========================================
 * Stat Values
 * ======================================== */

.stat-value {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
}

.stat-value__label {
  color: var(--color-text-muted);
}

.stat-value__number {
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

/* Stat Value Variants */
.stat-value--success .stat-value__number {
  color: var(--color-accent-success);
}

.stat-value--warning .stat-value__number {
  color: var(--color-accent-warning);
}

.stat-value--danger .stat-value__number {
  color: var(--color-accent-error);
}

/* ========================================
 * Icons
 * ======================================== */

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

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

.icon--md {
  font-size: var(--font-size-base);
}

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

/* ========================================
 * Section Titles
 * ======================================== */

.section-title {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 var(--space-2) 0;
  padding-bottom: var(--space-1);
  border-bottom: 1px solid var(--color-border-subtle);
}

/* ========================================
 * Tab Button (for tab navigation)
 * ======================================== */

.tab-btn {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.tab-btn.active,
.tab-btn--active {
  color: var(--color-accent-primary);
  border-bottom-color: var(--color-accent-primary);
}

/* ========================================
 * Equipment Selection Cards
 * Full-width clickable cards for equipment choices
 * Uses selection-base custom properties for theming
 * ======================================== */

.equipment-card {
  /* Selection theming - equipment uses warning/gold accent */
  --selection-accent: var(--color-accent-warning);
  --selection-border-radius: var(--radius-lg);

  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3);
  background: var(--selection-bg, var(--color-bg-secondary));
  border: 2px solid var(--selection-border, var(--color-border-default));
  border-radius: var(--selection-border-radius);
  font-family: var(--font-mono);
  cursor: pointer;
  transition: var(--selection-transition, all var(--transition-fast));
  position: relative;
}

.equipment-card:hover:not(.equipment-card--disabled) {
  background: var(--selection-bg-hover, var(--color-bg-tertiary));
  border-color: var(--selection-border-hover, var(--selection-accent));
}

.equipment-card:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--selection-accent);
}

/* Selected state */
.equipment-card--selected {
  background: var(--selection-bg-selected, color-mix(in srgb, var(--selection-accent) 15%, var(--color-bg-secondary)));
  border-color: var(--selection-border-selected, var(--selection-accent));
}

.equipment-card--selected::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--selection-accent);
  border-radius: var(--selection-border-radius) var(--selection-border-radius) 0 0;
}

/* Disabled state */
.equipment-card--disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Dimmed state (when others are selected) */
.equipment-card--dimmed {
  opacity: 0.5;
}

.equipment-card--dimmed:hover:not(.equipment-card--disabled) {
  opacity: 0.8;
}

/* Recommended indicator */
.equipment-card--recommended {
  --selection-accent: var(--color-accent-secondary);
  border-color: var(--selection-accent);
}

.equipment-card--recommended::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--selection-accent);
  border-radius: var(--selection-border-radius) var(--selection-border-radius) 0 0;
}

.equipment-card--recommended:hover {
  border-color: var(--selection-accent);
}

/* Option key badge (A, B, C) */
.equipment-card__key {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  flex-shrink: 0;
}

.equipment-card--selected .equipment-card__key {
  background: var(--color-accent-warning);
  border-color: var(--color-accent-warning);
  color: var(--color-bg-primary);
}

.equipment-card--recommended .equipment-card__key {
  border-color: var(--color-accent-secondary);
}

/* Content area */
.equipment-card__content {
  flex: 1;
  min-width: 0;
}

.equipment-card__items {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-1);
}

/* Individual item row */
.equipment-card__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.equipment-card__item-icon {
  font-size: var(--font-size-base);
  flex-shrink: 0;
  width: 18px;
  text-align: center;
}

.equipment-card__item-name {
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  line-height: var(--line-height-normal);
}

.equipment-card__description {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
}

/* Badges row */
.equipment-card__badges {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
  flex-wrap: wrap;
}

/* Recommended badge */
.equipment-card__badge--recommended {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  background: color-mix(in srgb, var(--color-accent-secondary) 20%, transparent);
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: var(--font-weight-medium);
  color: var(--color-accent-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.equipment-card__badge--recommended::before {
  content: '\2713'; /* Checkmark */
  font-size: 10px;
}

/* Selection checkmark */
.equipment-card__check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: var(--color-bg-tertiary);
  border: 2px solid var(--color-border-default);
  border-radius: 50%;
  flex-shrink: 0;
  margin-left: auto;
}

.equipment-card--selected .equipment-card__check {
  background: var(--color-accent-warning);
  border-color: var(--color-accent-warning);
}

.equipment-card--selected .equipment-card__check::after {
  content: '\2713';
  color: var(--color-bg-primary);
  font-size: 12px;
  font-weight: bold;
}

/* Equipment choice group */
.equipment-choice-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.equipment-choice-group__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-1);
}

.equipment-choice-group__label {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.equipment-choice-group__hint {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-style: italic;
}

.equipment-choice-group__options {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* Tooltip for equipment details */
.equipment-tooltip {
  position: absolute;
  bottom: calc(100% + var(--space-2));
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-xs);
  color: var(--color-text-primary);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  z-index: var(--z-tooltip);
}

.equipment-card:hover .equipment-tooltip {
  opacity: 1;
  visibility: visible;
}

.equipment-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--color-bg-elevated);
}

/* ========================================
 * Reduced Motion
 * ======================================== */

@media (prefers-reduced-motion: reduce) {
  .btn,
  .badge,
  .chip,
  .input,
  .tab-btn,
  .equipment-card {
    transition: none;
  }
}

/* Only show hover states on devices that support hover (not touch) */
@media (hover: hover) and (pointer: fine) {
  .btn:hover:not(:disabled) {
    /* Hover styles only for mouse/trackpad */
  }
  
  .chip:hover:not(.chip--disabled) {
    /* Hover styles */
  }
}

/* Touch devices: Use active state instead of hover */
@media (hover: none) or (pointer: coarse) {
  .btn:active:not(:disabled) {
    opacity: 0.8;
    transform: scale(0.98);
  }
  
  .chip:active:not(.chip--disabled) {
    opacity: 0.8;
  }
}