/* ============================================================
   KITTERTOOLS — Command Palette
   ============================================================ */

.palette-backdrop {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: clamp(60px, 12vh, 140px);
}

.palette-dialog {
  width: 100%;
  max-width: 580px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-palette);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 120px);
  margin-inline: var(--space-4);
}

/* Search input row */
.palette-search-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.palette-search-icon {
  width: 18px;
  height: 18px;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.palette-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 1rem;
  color: var(--text-primary);
  padding: 0;
}

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

.palette-esc {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  flex-shrink: 0;
}

/* Results list */
.palette-results {
  overflow-y: auto;
  padding: var(--space-2);
  flex: 1;
}

.palette-results:empty::after {
  content: "No tools found";
  display: block;
  text-align: center;
  padding: var(--space-8) var(--space-4);
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

.palette-section-label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  padding: var(--space-2) var(--space-3) var(--space-1);
}

.palette-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
  color: var(--text-primary);
}

.palette-item:hover,
.palette-item.active {
  background: var(--accent-subtle);
  color: var(--text-primary);
  text-decoration: none;
}

.palette-item.active .palette-item-icon {
  color: var(--accent);
}

.palette-item-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  flex-shrink: 0;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.palette-item.active .palette-item-icon {
  background: var(--accent-subtle-border);
  color: var(--accent);
}

.palette-item-content {
  flex: 1;
  min-width: 0;
}

.palette-item-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.palette-item-desc {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 1px;
}

.palette-item-badge {
  flex-shrink: 0;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 7px;
  border-radius: var(--radius-full);
}

/* Footer bar */
.palette-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.palette-hint {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.palette-hint kbd {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
  color: var(--text-secondary);
}

/* Transitions */
.palette-enter {
  animation: palette-in var(--transition-base) ease both;
}

.palette-leave {
  animation: palette-out var(--transition-fast) ease both;
}

@keyframes palette-in {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(-8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes palette-out {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.97);
  }
}

@media (max-width: 640px) {
  .palette-backdrop {
    align-items: flex-end;
    padding-top: 0;
  }

  .palette-dialog {
    max-width: 100%;
    max-height: 80vh;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    margin-inline: 0;
  }

  .palette-item-desc {
    display: none;
  }
}