/**
 * Spellbook Panel
 * ===============
 * Displays character spells with school-based styling.
 * Uses design tokens from: terminal/_tokens.css
 */

/* ========================================
 * Base Layout
 * ======================================== */

.spellbook {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-width: 280px;
  background: var(--color-bg-primary);
}

.spellbook__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border-default);
  background: var(--color-bg-secondary);
}

.spellbook__title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.spellbook__content {
  flex: 1;
  padding: var(--space-3);
  overflow-y: auto;
}

.spellbook__footer {
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--color-border-default);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

/* ========================================
 * Spell Slots Display
 * ======================================== */

.spellbook__slots {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-2);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
}

.spellbook__slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  min-width: 48px;
}

.spellbook__slot-level {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.spellbook__slot-pips {
  display: flex;
  gap: 3px;
}

.spellbook__slot-pip {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-accent-purple);
}

.spellbook__slot-pip--available {
  background: var(--color-accent-purple);
  box-shadow: 0 0 4px color-mix(in srgb, var(--color-accent-purple) 40%, transparent);
}

/* ========================================
 * Spell List
 * ======================================== */

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

.spellbook__empty {
  text-align: center;
  padding: var(--space-6);
  color: var(--color-text-muted);
  font-style: italic;
}

/* ========================================
 * Spell Level Sections
 * ======================================== */

.spellbook__level-section {
  margin-bottom: var(--space-4);
}

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

.spellbook__level-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) 0;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent-purple);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid color-mix(in srgb, var(--color-accent-purple) 30%, transparent);
}

.spellbook__level-count {
  font-weight: var(--font-weight-normal);
  color: var(--color-text-muted);
}

/* ========================================
 * Spell Card
 * ======================================== */

.spell-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-2);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-fast),
              background var(--transition-fast),
              transform var(--transition-fast);
}

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

.spell-card:active {
  transform: translateY(0);
}

/* ========================================
 * School Color Variants
 * ======================================== */

/* Abjuration - Blue (protective) */
.spell-card--abjuration {
  border-left: 3px solid var(--color-accent-primary);
}

.spell-card--abjuration:hover {
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 12px color-mix(in srgb, var(--color-accent-primary) 30%, transparent);
}

/* Conjuration - Yellow/Gold (summoning) */
.spell-card--conjuration {
  border-left: 3px solid var(--color-accent-warning);
}

.spell-card--conjuration:hover {
  border-color: var(--color-accent-warning);
  box-shadow: 0 0 12px color-mix(in srgb, var(--color-accent-warning) 30%, transparent);
}

/* Divination - Silver/Light Blue (knowledge) */
.spell-card--divination {
  border-left: 3px solid var(--color-text-secondary);
}

.spell-card--divination:hover {
  border-color: var(--color-text-secondary);
  box-shadow: 0 0 12px color-mix(in srgb, var(--color-text-secondary) 30%, transparent);
}

/* Enchantment - Pink (charm) */
.spell-card--enchantment {
  border-left: 3px solid var(--color-accent-error);
}

.spell-card--enchantment:hover {
  border-color: var(--color-accent-error);
  box-shadow: 0 0 12px color-mix(in srgb, var(--color-accent-error) 30%, transparent);
}

/* Evocation - Red/Orange (damage) */
.spell-card--evocation {
  border-left: 3px solid var(--color-accent-orange);
}

.spell-card--evocation:hover {
  border-color: var(--color-accent-orange);
  box-shadow: 0 0 12px color-mix(in srgb, var(--color-accent-orange) 30%, transparent);
}

/* Illusion - Purple (trickery) */
.spell-card--illusion {
  border-left: 3px solid var(--color-accent-purple);
}

.spell-card--illusion:hover {
  border-color: var(--color-accent-purple);
  box-shadow: 0 0 12px color-mix(in srgb, var(--color-accent-purple) 30%, transparent);
}

/* Necromancy - Dark Green (death) */
.spell-card--necromancy {
  border-left: 3px solid var(--color-accent-cyan);
}

.spell-card--necromancy:hover {
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 12px color-mix(in srgb, var(--color-accent-cyan) 30%, transparent);
}

/* Transmutation - Green (change) */
.spell-card--transmutation {
  border-left: 3px solid var(--color-accent-secondary);
}

.spell-card--transmutation:hover {
  border-color: var(--color-accent-secondary);
  box-shadow: 0 0 12px color-mix(in srgb, var(--color-accent-secondary) 30%, transparent);
}

/* ========================================
 * Spell Icon
 * ======================================== */

.spell-card__icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

/* ========================================
 * Spell Details
 * ======================================== */

.spell-card__details {
  flex: 1;
  min-width: 0;
}

.spell-card__name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-1) 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.spell-card__school {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-style: italic;
}

.spell-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-1);
}

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

.spell-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Concentration Badge */
.spell-badge--concentration {
  background: color-mix(in srgb, var(--color-accent-warning) 20%, var(--color-bg-primary));
  border: 1px solid color-mix(in srgb, var(--color-accent-warning) 40%, transparent);
  color: var(--color-accent-warning);
}

.spell-badge--concentration::before {
  content: 'C';
  font-weight: var(--font-weight-bold);
  margin-right: var(--space-1);
}

/* Ritual Badge */
.spell-badge--ritual {
  background: color-mix(in srgb, var(--color-accent-purple) 20%, var(--color-bg-primary));
  border: 1px solid color-mix(in srgb, var(--color-accent-purple) 40%, transparent);
  color: var(--color-accent-purple);
}

.spell-badge--ritual::before {
  content: 'R';
  font-weight: var(--font-weight-bold);
  margin-right: var(--space-1);
}

/* Verbal Component */
.spell-badge--verbal {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}

/* Somatic Component */
.spell-badge--somatic {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}

/* Material Component */
.spell-badge--material {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}

/* ========================================
 * Spell Actions (cast button)
 * ======================================== */

.spell-card__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-1);
  flex-shrink: 0;
}

.spell-card__cast-btn {
  padding: var(--space-1) var(--space-2);
  background: var(--color-accent-purple);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-bg-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.spell-card__cast-btn:hover {
  background: color-mix(in srgb, var(--color-accent-purple) 80%, white);
  transform: scale(1.05);
}

.spell-card__cast-btn:active {
  transform: scale(0.95);
}

.spell-card__cast-btn:disabled {
  background: var(--color-bg-tertiary);
  color: var(--color-text-muted);
  cursor: not-allowed;
}

.spell-card__cast-btn:disabled:hover {
  transform: none;
}

/* ========================================
 * Prepared/Known Indicator
 * ======================================== */

.spell-card--prepared {
  background: color-mix(in srgb, var(--color-accent-secondary) 8%, var(--color-bg-secondary));
}

.spell-card__prepared-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: color-mix(in srgb, var(--color-accent-secondary) 20%, var(--color-bg-primary));
  border: 1px solid color-mix(in srgb, var(--color-accent-secondary) 40%, transparent);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent-secondary);
}

.spell-card__prepared-badge::before {
  content: '✓';
  font-weight: bold;
}

/* ========================================
 * Cantrip Styling
 * ======================================== */

.spell-card--cantrip {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--color-accent-primary) 5%, transparent) 0%,
    var(--color-bg-secondary) 100%
  );
}

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

@media (max-width: 768px) {
  .spellbook__header {
    padding: var(--space-2);
  }

  .spellbook__content {
    padding: var(--space-2);
  }

  .spell-card {
    padding: var(--space-2);
  }

  .spell-card__icon {
    width: 28px;
    height: 28px;
    font-size: var(--font-size-base);
  }

  .spellbook__slots {
    padding: var(--space-1);
    gap: var(--space-1);
  }

  .spellbook__slot {
    padding: var(--space-1);
    min-width: 40px;
  }
}

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

@media (prefers-reduced-motion: reduce) {
  .spell-card {
    transition: none;
  }

  .spell-card:hover {
    transform: none;
  }

  .spell-card__cast-btn {
    transition: none;
  }

  .spell-card__cast-btn:hover {
    transform: none;
  }
}