/* color-palette-generator.css — Tool-specific styles */

/* ─── Wrapper ────────────────────────────────────────────────────────────────── */
.cpg {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

/* ─── Controls panel ─────────────────────────────────────────────────────────── */
.cpg__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--sp-4) var(--sp-6);
  padding: var(--sp-5);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-solid);
  border-radius: var(--radius-lg);
}

.cpg__control-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.cpg__label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-muted);
}

/* Color picker + HEX text input */
.cpg__color-input-wrap {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.cpg__color-picker {
  width: 44px;
  height: 44px;
  padding: 3px;
  border: 1.5px solid var(--color-border-solid);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color var(--dur-fast) var(--ease);
}
.cpg__color-picker:hover { border-color: var(--color-accent); }
.cpg__color-picker::-webkit-color-swatch-wrapper { padding: 0; }
.cpg__color-picker::-webkit-color-swatch { border: none; border-radius: 4px; }
.cpg__color-picker::-moz-color-swatch    { border: none; border-radius: 4px; }

.cpg__hex-input {
  width: 6.5rem;
  height: 44px;
  padding: 0 var(--sp-3);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border-solid);
  border-radius: var(--radius);
  color: var(--color-text-strong);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.cpg__hex-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
}
.cpg__hex-input.cpg__input--error {
  border-color: #EF4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

/* Harmony select */
.cpg__select {
  height: 44px;
  padding: 0 2.25rem 0 var(--sp-3);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border-solid);
  border-radius: var(--radius);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748B' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.cpg__select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
}

/* Count range slider */
.cpg__range {
  width: 7.5rem;
  height: 6px;
  margin-top: var(--sp-2);
  -webkit-appearance: none;
  appearance: none;
  background: var(--color-border-solid);
  border-radius: 3px;
  cursor: pointer;
}
.cpg__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg-card);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease);
}
.cpg__range::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg-card);
  cursor: pointer;
}
.cpg__range:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }

/* ─── Shared button base ─────────────────────────────────────────────────────── */
.cpg__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  height: 44px;
  padding: 0 var(--sp-5);
  border: 1.5px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease),
    opacity var(--dur-fast) var(--ease);
}
.cpg__btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.cpg__btn--primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.cpg__btn--primary:hover { opacity: 0.88; }

.cpg__btn--secondary {
  background: var(--color-bg-card);
  border-color: var(--color-border-solid);
  color: var(--color-text);
}
.cpg__btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.cpg__btn--outline {
  background: transparent;
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.cpg__btn--outline:hover { background: var(--color-accent-dim); }

.cpg__btn--ghost {
  background: transparent;
  border-color: var(--color-border-solid);
  color: var(--color-text-muted);
}
.cpg__btn--ghost:hover {
  background: var(--color-bg-card);
  color: var(--color-text);
  border-color: var(--color-border-solid);
}

.cpg__btn--sm {
  height: 34px;
  padding: 0 var(--sp-4);
  font-size: 0.8125rem;
}

.cpg__btn--danger {
  background: transparent;
  border-color: #EF4444;
  color: #EF4444;
}
.cpg__btn--danger:hover { background: rgba(239, 68, 68, 0.1); }

/* ─── Saved count badge ──────────────────────────────────────────────────────── */
.cpg__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1;
}

/* ─── Swatches grid ──────────────────────────────────────────────────────────── */
.cpg__swatches {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.cpg__swatch {
  flex: 1 1 150px;
  min-width: 118px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-solid);
  transition: transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
}
.cpg__swatch:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.cpg__swatch-color {
  height: 108px;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: var(--sp-2);
}

.cpg__copy-hint {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 3px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-fast) var(--ease);
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(4px);
}
.cpg__copy-hint--light { color: #fff; }
.cpg__copy-hint--dark  { color: #000; background: rgba(255, 255, 255, 0.35); }
.cpg__swatch:hover .cpg__copy-hint { opacity: 1; }

.cpg__swatch-info {
  padding: var(--sp-2) var(--sp-3) var(--sp-3);
}

/* Format tabs (HEX / RGB / HSL) */
.cpg__format-tabs {
  display: flex;
  gap: 3px;
  margin-bottom: var(--sp-2);
}

.cpg__tab {
  flex: 1;
  height: 26px;
  padding: 0;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border-solid);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition:
    background var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease);
}
.cpg__tab:hover { border-color: var(--color-accent); color: var(--color-accent); }
.cpg__tab--active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.cpg__tab--active:hover { opacity: 0.9; color: #fff; }
.cpg__tab:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 1px; }

/* Value row */
.cpg__value-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.cpg__value-text {
  flex: 1;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cpg__copy-btn {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-border-solid);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease);
}
.cpg__copy-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.cpg__copy-btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 1px; }

/* ─── Save / Export row ──────────────────────────────────────────────────────── */
.cpg__save-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-solid);
  border-radius: var(--radius-lg);
}

.cpg__name-input {
  flex: 1 1 180px;
  height: 44px;
  padding: 0 var(--sp-4);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border-solid);
  border-radius: var(--radius);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.cpg__name-input::placeholder { color: var(--color-text-subtle); }
.cpg__name-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
}
.cpg__name-input.cpg__input--error {
  border-color: #EF4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

/* ─── Toast ──────────────────────────────────────────────────────────────────── */
.cpg__toast {
  position: fixed;
  bottom: var(--sp-6);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--color-bg-card);
  color: var(--color-text-strong);
  border: 1px solid var(--color-border-solid);
  border-radius: var(--radius);
  padding: var(--sp-3) var(--sp-5);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease);
  z-index: 9999;
}
.cpg__toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ─── Drawer overlay ─────────────────────────────────────────────────────────── */
.cpg__drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
  z-index: 200;
}
.cpg__drawer-overlay--visible {
  opacity: 1;
  pointer-events: auto;
}

/* ─── Drawer ─────────────────────────────────────────────────────────────────── */
.cpg__drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 380px;
  max-width: 95vw;
  background: var(--color-bg-card);
  border-left: 1px solid var(--color-border-solid);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s var(--ease);
  z-index: 201;
  overflow: hidden;
}
.cpg__drawer--open { transform: translateX(0); }

.cpg__drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5) var(--sp-5) var(--sp-4);
  border-bottom: 1px solid var(--color-border-solid);
  flex-shrink: 0;
}

.cpg__drawer-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-heading);
  margin: 0;
}

.cpg__drawer-close {
  width: 32px;
  height: 32px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-border-solid);
  border-radius: var(--radius);
  color: var(--color-text-muted);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.cpg__drawer-close:hover { background: var(--color-bg); color: var(--color-text); }
.cpg__drawer-close:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.cpg__drawer-actions {
  display: flex;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--color-border-solid);
  flex-shrink: 0;
}

/* Hide native file input, use label as button */
.cpg__file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.cpg__saved-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.cpg__empty-msg {
  padding: var(--sp-8) var(--sp-6);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.65;
}

/* ─── Saved palette item ─────────────────────────────────────────────────────── */
.cpg__saved-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border-solid);
  border-radius: var(--radius);
  padding: var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease);
}
.cpg__saved-item--removing {
  opacity: 0;
  transform: translateX(24px);
}

.cpg__saved-preview {
  display: flex;
  height: 34px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.cpg__mini-strip { flex: 1; }

.cpg__saved-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--sp-2);
}
.cpg__saved-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-strong);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cpg__saved-date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.cpg__saved-actions {
  display: flex;
  gap: var(--sp-2);
}

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .cpg__controls { gap: var(--sp-3) var(--sp-4); }

  .cpg__swatch {
    flex: 1 1 calc(50% - var(--sp-2));
    min-width: 100px;
  }

  .cpg__save-row {
    flex-direction: column;
    align-items: stretch;
  }
  .cpg__name-input { flex: none; width: 100%; }

  .cpg__drawer {
    width: 100vw;
    max-width: 100vw;
  }
}