/**
 * imganva-tools.css - Design tokens + resting visual style of every
 * component. Loaded first; tool-layout.css / upload.css / state.css /
 * tools-extra.css depend on these custom properties.
 * Tokens are scoped to .imganva-tool-container (never :root) so the host
 * theme is never polluted and there is no flash of unthemed content.
 */
.imganva-tool-container {
  --imganva-bg:            #171a21;
  --imganva-surface:       #1f2330;
  --imganva-surface-raised: #262b3d;
  --imganva-surface-hover: #2e3346;
  --imganva-border:        #323850;
  --imganva-border-strong: #454c6b;

  --imganva-purple:        #6d28d9;
  --imganva-purple-hover:  #7c3aed;
  --imganva-purple-dim:    #4c1d95;
  --imganva-cyan:          #50fefe;

  --imganva-text:          #e8e9f3;
  --imganva-text-muted:    #9498b0;
  --imganva-text-faint:    #666b85;
  --imganva-text-on-accent: #0d0f16;

  --imganva-success:       #34d399;
  --imganva-success-bg:    rgba(52, 211, 153, 0.12);
  --imganva-warning:       #fbbf24;
  --imganva-warning-bg:    rgba(251, 191, 36, 0.12);
  --imganva-error:         #f87171;
  --imganva-error-bg:      rgba(248, 113, 113, 0.12);
  --imganva-info:          #7dd3fc;
  --imganva-info-bg:       rgba(125, 211, 252, 0.10);

  --imganva-font-display: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --imganva-font-body:    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --imganva-font-mono:    ui-monospace, 'SF Mono', 'Cascadia Code', 'Roboto Mono', Consolas, 'Liberation Mono', monospace;

  --imganva-text-xs:   0.75rem;
  --imganva-text-sm:   0.8125rem;
  --imganva-text-base: 0.9375rem;
  --imganva-text-lg:   1.125rem;
  --imganva-text-xl:   1.5rem;
  --imganva-text-2xl:  1.875rem;

  --imganva-space-1: 0.25rem;
  --imganva-space-2: 0.5rem;
  --imganva-space-3: 0.75rem;
  --imganva-space-4: 1rem;
  --imganva-space-5: 1.5rem;
  --imganva-space-6: 2rem;
  --imganva-space-7: 3rem;

  --imganva-radius-sm:   6px;
  --imganva-radius-md:   10px;
  --imganva-radius-lg:   16px;
  --imganva-radius-full: 999px;

  --imganva-shadow-sm:  0 1px 2px rgba(0, 0, 0, 0.24);
  --imganva-shadow-md:  0 8px 24px rgba(0, 0, 0, 0.32);
  --imganva-focus-ring: 0 0 0 3px rgba(80, 254, 254, 0.35);

  --imganva-transition-fast: 120ms ease;
  --imganva-transition-base: 200ms ease;

  --imganva-cube-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2 L21 7 L12 12 L3 7 Z' fill='%2350fefe' fill-opacity='0.92'/%3E%3Cpath d='M3 7 L12 12 L12 22 L3 17 Z' fill='%236d28d9'/%3E%3Cpath d='M21 7 L12 12 L12 22 L21 17 Z' fill='%234c1d95'/%3E%3C/svg%3E");
}

.imganva-tool-container,
.imganva-tool-container *,
.imganva-tool-container *::before,
.imganva-tool-container *::after { box-sizing: border-box; }

.imganva-tool-container {
  font-family: var(--imganva-font-body);
  font-size: var(--imganva-text-base);
  line-height: 1.5;
  color: var(--imganva-text);
  -webkit-font-smoothing: antialiased;
  text-align: left;
}
.imganva-tool-container p { margin: 0; }
.imganva-tool-container button,
.imganva-tool-container input,
.imganva-tool-container select,
.imganva-tool-container textarea {
  font-family: inherit;
  font-size: var(--imganva-text-base);
  color: inherit;
}

.imganva-tool {
  background: var(--imganva-bg);
  border: 1px solid var(--imganva-border);
  border-radius: var(--imganva-radius-lg);
  padding: var(--imganva-space-6);
}

.imganva-tool h2 {
  margin: 0 0 var(--imganva-space-2) 0;
  font-family: var(--imganva-font-display);
  font-size: var(--imganva-text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--imganva-text);
  display: flex;
  align-items: center;
  gap: 0;
}
.imganva-tool h2::before { display: none; }

.imganva-subtitle {
  color: var(--imganva-text-muted);
  font-size: var(--imganva-text-sm);
  margin-bottom: var(--imganva-space-5);
}

.imganva-tool h3 {
  margin: 0 0 var(--imganva-space-2) 0;
  font-family: var(--imganva-font-display);
  font-size: var(--imganva-text-lg);
  font-weight: 600;
  color: var(--imganva-text);
}

/* ---- Fields ---- */
.imganva-field { margin-bottom: var(--imganva-space-5); }
.imganva-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--imganva-space-2);
  font-size: var(--imganva-text-sm);
  font-weight: 600;
  color: var(--imganva-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--imganva-space-2);
}
.imganva-note {
  font-size: var(--imganva-text-sm);
  color: var(--imganva-text-muted);
  margin-top: var(--imganva-space-2);
  line-height: 1.5;
}

.imganva-field input[type="number"],
.imganva-field input[type="text"],
.imganva-field select {
  width: 100%;
  background: var(--imganva-surface-raised);
  border: 1px solid var(--imganva-border);
  border-radius: var(--imganva-radius-sm);
  padding: var(--imganva-space-3) var(--imganva-space-4);
  color: var(--imganva-text);
  transition: border-color var(--imganva-transition-fast), background var(--imganva-transition-fast);
}
.imganva-field input[type="number"]::placeholder,
.imganva-field input[type="text"]::placeholder { color: var(--imganva-text-faint); }
.imganva-field input:hover,
.imganva-field select:hover { border-color: var(--imganva-border-strong); }
.imganva-field input:focus-visible,
.imganva-field select:focus-visible {
  outline: none;
  border-color: var(--imganva-cyan);
  box-shadow: var(--imganva-focus-ring);
}

.imganva-field select {
  appearance: none;
  -webkit-appearance: none;
  -moz-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='%239498b0' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: 12px 8px;
  background-position: right 16px center;
  padding-right: 42px;
  min-height: 48px;
  line-height: 1.35;
}
.imganva-field select option {
  background: var(--imganva-surface);
  color: var(--imganva-text);
}

/* ---- Range input ---- */
.imganva-field input[type="range"] {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: #323850;
  border-radius: 999px;
  cursor: pointer;
}
.imganva-field input[type="range"]::-webkit-slider-runnable-track {
  height: 6px; border-radius: 999px; background: #323850;
}
.imganva-field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  margin-top: -5px;
  border-radius: 50%;
  border: none;
  background: var(--imganva-purple);
  box-shadow: 0 0 0 4px rgba(109,40,217,.15);
}
.imganva-field input[type="range"]::-moz-range-track {
  height: 6px; background: #323850; border: none; border-radius: 999px;
}
.imganva-field input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px; border: none; border-radius: 50%;
  background: var(--imganva-purple);
}
.imganva-range-value {
  font-family: var(--imganva-font-mono);
  color: var(--imganva-cyan);
  font-weight: 600;
  font-size: var(--imganva-text-sm);
  text-transform: none;
  letter-spacing: 0;
}

/* Color input */
.imganva-field input[type="color"] {
  width: 100%;
  min-height: 48px;
  padding: 4px;
  background: var(--imganva-surface-raised);
  border: 1px solid var(--imganva-border);
  border-radius: var(--imganva-radius-sm);
  cursor: pointer;
}
.imganva-field input[type="color"]:focus-visible {
  outline: none;
  border-color: var(--imganva-cyan);
  box-shadow: var(--imganva-focus-ring);
}

/* ---- Checkbox row ---- */
.imganva-check {
  display: flex;
  align-items: center;
  gap: var(--imganva-space-3);
  font-size: var(--imganva-text-sm);
  color: var(--imganva-text);
  cursor: pointer;
  margin-bottom: var(--imganva-space-5);
  width: fit-content;
}
.imganva-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--imganva-purple);
  cursor: pointer;
}

/* ---- Buttons + chips ---- */
.imganva-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--imganva-space-2);
  background: var(--imganva-purple);
  color: #ffffff;
  border: none;
  border-radius: var(--imganva-radius-sm);
  padding: var(--imganva-space-3) var(--imganva-space-5);
  font-size: var(--imganva-text-base);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--imganva-transition-fast), transform var(--imganva-transition-fast);
}
.imganva-button:hover { background: var(--imganva-purple-hover); }
.imganva-button:active { transform: translateY(1px); }
.imganva-button:focus-visible { outline: none; box-shadow: var(--imganva-focus-ring); }

.imganva-button.secondary {
  background: var(--imganva-surface-raised);
  color: var(--imganva-text);
  border: 1px solid var(--imganva-border);
}
.imganva-button.secondary:hover {
  background: var(--imganva-surface-hover);
  border-color: var(--imganva-border-strong);
}

.imganva-chip {
  display: inline-flex;
  align-items: center;
  background: var(--imganva-surface-raised);
  border: 1px solid var(--imganva-border);
  color: var(--imganva-text-muted);
  border-radius: var(--imganva-radius-full);
  padding: var(--imganva-space-2) var(--imganva-space-4);
  font-size: var(--imganva-text-sm);
  font-family: var(--imganva-font-mono);
  cursor: pointer;
  transition: border-color var(--imganva-transition-fast), color var(--imganva-transition-fast), background var(--imganva-transition-fast);
}
.imganva-chip:hover {
  border-color: var(--imganva-cyan);
  color: var(--imganva-text);
  background: var(--imganva-surface-hover);
}
.imganva-chip:focus-visible { outline: none; box-shadow: var(--imganva-focus-ring); }

.imganva-presets {
  display: flex;
  flex-wrap: wrap;
  gap: var(--imganva-space-2);
  margin-bottom: var(--imganva-space-5);
}

.imganva-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--imganva-space-3);
  margin-top: var(--imganva-space-4);
}

/* ---- Action area ---- */
.imganva-action-area { margin: var(--imganva-space-5) 0; }
.imganva-action-area .imganva-button { width: 100%; }
.imganva-action-area .imganva-note {
  text-align: center;
  margin-top: var(--imganva-space-3);
}

.imganva-batch-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--imganva-space-4);
  background: var(--imganva-surface);
  border: 1px solid var(--imganva-border);
  border-radius: var(--imganva-radius-md);
  padding: var(--imganva-space-4) var(--imganva-space-5);
  margin-top: var(--imganva-space-5);
}
.imganva-batch-action-summary {
  font-size: var(--imganva-text-sm);
  color: var(--imganva-text-muted);
}

/* ---- Status messages ---- */
.imganva-status {
  font-size: var(--imganva-text-sm);
  padding: var(--imganva-space-3) var(--imganva-space-4);
  border-radius: var(--imganva-radius-sm);
  margin: var(--imganva-space-4) 0;
  border: 1px solid transparent;
}
.imganva-status-info {
  background: var(--imganva-info-bg);
  color: var(--imganva-info);
  border-color: rgba(125, 211, 252, 0.25);
}
.imganva-status-success {
  background: var(--imganva-success-bg);
  color: var(--imganva-success);
  border-color: rgba(52, 211, 153, 0.25);
}
.imganva-status-warning {
  background: var(--imganva-warning-bg);
  color: var(--imganva-warning);
  border-color: rgba(251, 191, 36, 0.25);
}
.imganva-status-error {
  background: var(--imganva-error-bg);
  color: var(--imganva-error);
  border-color: rgba(248, 113, 113, 0.25);
}

/* ---- Error blocks ---- */
.imganva-error-block {
  border-radius: var(--imganva-radius-md);
  padding: var(--imganva-space-4) var(--imganva-space-5);
  margin: var(--imganva-space-5) 0;
  display: flex;
  align-items: flex-start;
  gap: var(--imganva-space-3);
  flex-wrap: wrap;
}
.imganva-error-block-icon {
  font-size: var(--imganva-text-lg);
  line-height: 1;
  flex: 0 0 auto;
}
.imganva-error-block-message {
  flex: 1 1 240px;
  font-size: var(--imganva-text-sm);
  line-height: 1.5;
}
.imganva-error-block-failure {
  background: var(--imganva-error-bg);
  border: 1px solid rgba(248, 113, 113, 0.3);
  color: var(--imganva-error);
}
.imganva-error-block-failure .imganva-error-block-message { color: var(--imganva-text); }
.imganva-error-block-warning {
  background: var(--imganva-warning-bg);
  border: 1px solid rgba(251, 191, 36, 0.3);
  color: var(--imganva-warning);
}
.imganva-error-block-warning .imganva-error-block-message { color: var(--imganva-text); }
.imganva-error-block-batch {
  background: var(--imganva-surface);
  border: 1px solid var(--imganva-border);
}
.imganva-error-block-batch .imganva-error-block-message {
  color: var(--imganva-text);
  font-weight: 600;
  flex-basis: 100%;
}
.imganva-error-retry,
.imganva-error-block-dismiss { flex: 0 0 auto; }
.imganva-error-block-dismiss {
  background: transparent;
  border: 1px solid currentColor;
  color: inherit;
  border-radius: var(--imganva-radius-sm);
  padding: var(--imganva-space-2) var(--imganva-space-4);
  font-size: var(--imganva-text-xs);
  font-weight: 600;
  cursor: pointer;
}
.imganva-error-block-list {
  list-style: none;
  margin: var(--imganva-space-3) 0 0 0;
  padding: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--imganva-space-2);
}
.imganva-error-block-list-item {
  display: flex;
  justify-content: space-between;
  gap: var(--imganva-space-3);
  font-size: var(--imganva-text-xs);
  padding: var(--imganva-space-2) var(--imganva-space-3);
  background: var(--imganva-surface-raised);
  border-radius: var(--imganva-radius-sm);
}
.imganva-error-block-filename {
  color: var(--imganva-text);
  font-family: var(--imganva-font-mono);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.imganva-error-block-item-message {
  color: var(--imganva-error);
  text-align: right;
  flex: 0 0 auto;
}

/* ---- Preview cards ---- */
.imganva-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--imganva-space-4);
  margin: var(--imganva-space-5) 0;
}
.imganva-preview-card {
  background: var(--imganva-surface);
  border: 1px solid var(--imganva-border);
  border-radius: var(--imganva-radius-md);
  padding: var(--imganva-space-4);
}
.imganva-preview-card h3 {
  font-size: var(--imganva-text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--imganva-text-muted);
  font-weight: 600;
  margin-bottom: var(--imganva-space-3);
}
.imganva-preview-img {
  display: block;
  width: 100%;
  max-height: 220px;
  object-fit: contain;
  border-radius: var(--imganva-radius-sm);
  background-color: #0d0f16;
  background-image:
    linear-gradient(45deg, #21242f 25%, transparent 25%),
    linear-gradient(-45deg, #21242f 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #21242f 75%),
    linear-gradient(-45deg, transparent 75%, #21242f 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
}
.imganva-preview-img-placeholder { min-height: 140px; }
.imganva-meta {
  margin-top: var(--imganva-space-3);
  font-family: var(--imganva-font-mono);
  font-size: var(--imganva-text-xs);
  color: var(--imganva-text-muted);
}

/* ---- Results ---- */
.imganva-results {
  background: var(--imganva-surface);
  border: 1px solid var(--imganva-border);
  border-radius: var(--imganva-radius-md);
  padding: var(--imganva-space-5);
  margin: var(--imganva-space-5) 0;
}
.imganva-size-stats {
  display: flex;
  align-items: center;
  gap: var(--imganva-space-4);
  margin-bottom: var(--imganva-space-4);
  flex-wrap: wrap;
}
.imganva-size-stats-row { display: flex; flex-direction: column; gap: var(--imganva-space-1); }
.imganva-size-stats-label {
  font-size: var(--imganva-text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--imganva-text-muted);
}
.imganva-size-stats-value {
  font-family: var(--imganva-font-mono);
  font-size: var(--imganva-text-lg);
  font-weight: 600;
  color: var(--imganva-text);
}
.imganva-size-stats-arrow {
  color: var(--imganva-text-faint);
  font-size: var(--imganva-text-lg);
}
.imganva-size-stats-reduction {
  font-family: var(--imganva-font-mono);
  font-size: var(--imganva-text-sm);
  font-weight: 600;
  padding: var(--imganva-space-1) var(--imganva-space-3);
  border-radius: var(--imganva-radius-full);
}
.imganva-reduction-positive { color: var(--imganva-success); background: var(--imganva-success-bg); }
.imganva-reduction-negative { color: var(--imganva-warning); background: var(--imganva-warning-bg); }
.imganva-size-stats-extra {
  font-size: var(--imganva-text-sm);
  color: var(--imganva-text-muted);
  margin-bottom: var(--imganva-space-4);
}
.imganva-results .imganva-button { width: 100%; }

/* ---- Batch result list ---- */
.imganva-batch-result-list { margin: var(--imganva-space-5) 0; }
.imganva-batch-result-header {
  font-size: var(--imganva-text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--imganva-text-muted);
  font-weight: 600;
  margin-bottom: var(--imganva-space-3);
}
.imganva-batch-result-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--imganva-space-2);
}
.imganva-batch-result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--imganva-space-3);
  background: var(--imganva-surface);
  border: 1px solid var(--imganva-border);
  border-radius: var(--imganva-radius-sm);
  padding: var(--imganva-space-3) var(--imganva-space-4);
  flex-wrap: wrap;
}
.imganva-batch-result-name {
  font-size: var(--imganva-text-sm);
  color: var(--imganva-text);
  flex: 1 1 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.imganva-batch-result-size {
  font-family: var(--imganva-font-mono);
  font-size: var(--imganva-text-xs);
  color: var(--imganva-text-muted);
}
.imganva-batch-result-note { color: var(--imganva-text-faint); }
.imganva-batch-result-dl { padding: var(--imganva-space-2) var(--imganva-space-4); font-size: var(--imganva-text-xs); }

/* ---- OCR output ---- */
.imganva-textarea {
  width: 100%;
  min-height: 180px;
  resize: vertical;
  background: var(--imganva-surface-raised);
  border: 1px solid var(--imganva-border);
  border-radius: var(--imganva-radius-sm);
  padding: var(--imganva-space-4);
  color: var(--imganva-text);
  font-family: var(--imganva-font-mono);
  font-size: var(--imganva-text-sm);
  line-height: 1.6;
}
.imganva-textarea:focus-visible {
  outline: none;
  border-color: var(--imganva-cyan);
  box-shadow: var(--imganva-focus-ring);
}
.imganva-ocr-char-count {
  text-align: right;
  font-family: var(--imganva-font-mono);
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .imganva-tool { padding: var(--imganva-space-4); }
  .imganva-tool h2 { font-size: var(--imganva-text-xl); }
  .imganva-preview-grid { grid-template-columns: 1fr; }
  .imganva-size-stats { flex-direction: column; align-items: flex-start; }
  .imganva-batch-action-bar {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
}

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  .imganva-tool-container * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}