/* Tool framework styles */

.kv-tool-workspace {
  display: grid;
  gap: var(--kv-space-4);
}

/* Stable ad hooks — reserve height even before ads go live */
.kv-ad-hook {
  min-height: 5.5rem;
}

.kv-ad-hook:empty {
  min-height: 5.5rem;
}

.kv-tool-privacy {
  display: grid;
  gap: var(--kv-space-1);
  padding: var(--kv-space-3) var(--kv-space-4);
  border: 1px solid color-mix(in srgb, var(--kv-color-accent) 28%, var(--kv-color-border));
  border-radius: var(--kv-radius-md);
  background: color-mix(in srgb, var(--kv-color-accent-soft) 55%, var(--kv-color-surface-elevated));
}

.kv-tool-privacy__label {
  margin: 0;
  font-size: var(--kv-fs-xs);
  font-weight: var(--kv-fw-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--kv-color-accent);
}

.kv-tool-privacy__text {
  margin: 0;
  font-size: var(--kv-fs-sm);
  color: var(--kv-color-text);
}

.kv-tool-states:not(:has([data-state]:not([hidden]))) {
  display: none;
}

.kv-tool-states:has([data-state]:not([hidden])) {
  margin-bottom: var(--kv-space-2);
}

.kv-tool-state[data-state="success"] .kv-state {
  border-style: solid;
  border-color: color-mix(in srgb, var(--kv-color-accent) 35%, var(--kv-color-border));
  background: color-mix(in srgb, var(--kv-color-accent-soft) 40%, var(--kv-color-surface-elevated));
  padding: var(--kv-space-4);
  min-height: 0;
}

.kv-tool-state[data-state="success"] .kv-state__title {
  font-size: var(--kv-fs-lg);
}

.kv-state__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--kv-space-2);
  margin-top: var(--kv-space-3);
  justify-content: center;
}

.kv-upload {
  display: grid;
  gap: var(--kv-space-3);
}

.kv-upload__toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--kv-space-2);
}

/* Comfortable touch targets inside the tool workspace */
.kv-tool-workspace .kv-btn {
  min-height: 2.75rem;
  padding: 0.625rem 1rem;
}

.kv-tool-workspace .kv-btn--sm {
  min-height: 2.75rem;
}

.kv-upload__dropzone {
  position: relative;
  transition: border-color var(--kv-duration) var(--kv-ease),
    background var(--kv-duration) var(--kv-ease),
    transform var(--kv-duration) var(--kv-ease),
    box-shadow var(--kv-duration) var(--kv-ease);
}

.kv-upload__dropzone:focus-visible {
  outline: 2px solid var(--kv-color-focus);
  outline-offset: 3px;
}

.kv-upload__dropzone.is-dragover {
  transform: scale(1.01);
  box-shadow: var(--kv-shadow-md, 0 8px 24px color-mix(in srgb, var(--kv-color-text) 12%, transparent));
}

.kv-upload.has-files .kv-upload__dropzone {
  min-height: 8rem;
  opacity: 0.92;
}

.kv-dropzone__accept,
.kv-dropzone__limit {
  display: block;
  margin-top: var(--kv-space-2);
}

.kv-upload__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--kv-space-2);
}

.kv-upload__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--kv-space-3);
  padding: var(--kv-space-3);
  border: 1px solid var(--kv-color-border);
  border-radius: var(--kv-radius-md);
  background: var(--kv-color-surface-elevated);
  animation: kv-tool-in 180ms var(--kv-ease);
}

.kv-upload__item-main {
  display: flex;
  gap: var(--kv-space-3);
  align-items: center;
  min-width: 0;
  flex: 1;
}

.kv-upload__preview {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--kv-radius-sm);
  background: var(--kv-color-surface-muted);
  display: grid;
  place-items: center;
  overflow: hidden;
  font-size: var(--kv-fs-xs);
  font-weight: var(--kv-fw-semibold);
  flex-shrink: 0;
  aspect-ratio: 1;
}

.kv-upload__preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kv-upload__name {
  margin: 0;
  font-weight: var(--kv-fw-medium);
  word-break: break-word;
}

.kv-upload__size {
  margin: 0;
}

.kv-upload__progress {
  margin-top: var(--kv-space-2);
  height: 0.4rem;
  border-radius: var(--kv-radius-pill);
  background: var(--kv-color-surface-muted);
  overflow: hidden;
}

.kv-upload__progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--kv-color-accent), var(--kv-color-focus));
  transition: width 200ms var(--kv-ease);
}

.kv-upload__progress.is-indeterminate .kv-upload__progress-bar {
  width: 40% !important;
  animation: kv-progress-indeterminate 1.1s ease-in-out infinite;
}

.kv-upload__item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--kv-space-2);
}

.kv-results {
  display: grid;
  gap: var(--kv-space-4);
  padding: var(--kv-space-4);
  border: 1px solid var(--kv-color-border);
  border-radius: var(--kv-radius-lg);
  background: var(--kv-color-surface-elevated);
  outline: none;
  animation: kv-tool-in 220ms var(--kv-ease);
}

.kv-results__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--kv-space-3);
}

.kv-results__header .kv-section__title {
  margin: 0;
}

.kv-results__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--kv-space-2);
}

.kv-results__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--kv-space-3);
}

.kv-results__item {
  display: grid;
  gap: var(--kv-space-4);
  padding: var(--kv-space-4);
  border: 1px solid var(--kv-color-border);
  border-radius: var(--kv-radius-md);
  background: var(--kv-color-surface);
}

@media (min-width: 640px) {
  .kv-results__item {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
  }
}

.kv-results__preview {
  width: 5.5rem;
  min-height: 5.5rem;
  aspect-ratio: 1;
  border-radius: var(--kv-radius-sm);
  background: var(--kv-color-surface-muted);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
  place-items: center;
  margin: 0;
  border: 1px solid var(--kv-color-border);
}

.kv-results__previews {
  display: flex;
  gap: var(--kv-space-3);
  flex-shrink: 0;
}

.kv-results__preview--original {
  opacity: 0.9;
}

.kv-results__caption {
  width: 100%;
  margin: 0;
  padding: 0.2rem 0.35rem;
  font-size: var(--kv-fs-xs);
  font-weight: var(--kv-fw-semibold);
  text-align: center;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--kv-color-text-muted);
  background: color-mix(in srgb, var(--kv-color-surface-elevated) 88%, transparent);
}

.kv-results__preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 4rem;
}

.kv-results__meta {
  flex: 1;
  min-width: 0;
}

.kv-results__name {
  margin: 0 0 var(--kv-space-1);
  font-weight: var(--kv-fw-semibold);
  font-size: var(--kv-fs-lg);
  word-break: break-word;
}

.kv-results__item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--kv-space-2);
}

.kv-tool-list {
  margin: 0;
  padding-left: 1.15rem;
  display: grid;
  gap: var(--kv-space-2);
}

.kv-tool-steps {
  margin: 0;
  padding-left: 1.15rem;
  display: grid;
  gap: var(--kv-space-3);
}

.kv-format-grid {
  display: grid;
  gap: var(--kv-space-5);
}

@media (min-width: 640px) {
  .kv-format-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.kv-related-grid {
  display: grid;
  gap: var(--kv-space-3);
}

@media (min-width: 640px) {
  .kv-related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.kv-related-card {
  display: block;
  color: inherit;
  text-decoration: none;
  transition: border-color var(--kv-duration) var(--kv-ease), transform var(--kv-duration) var(--kv-ease);
}

.kv-related-card:hover {
  border-color: var(--kv-color-accent);
  transform: translateY(-1px);
}

.kv-tool-error-list {
  color: var(--kv-color-danger);
}

.kv-tool-options {
  display: grid;
  gap: var(--kv-space-3);
  padding: var(--kv-space-4);
  border: 1px solid var(--kv-color-border);
  border-radius: var(--kv-radius-md);
  background: var(--kv-color-surface-elevated);
}

.kv-tool-options__list {
  display: grid;
  gap: var(--kv-space-2);
}

@media (min-width: 640px) {
  .kv-tool-options__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.kv-tool-options__item {
  display: flex;
  gap: var(--kv-space-3);
  align-items: flex-start;
  min-height: 2.75rem;
  padding: var(--kv-space-3);
  border: 1px solid var(--kv-color-border);
  border-radius: var(--kv-radius-sm);
  cursor: pointer;
  transition: border-color var(--kv-duration) var(--kv-ease), background var(--kv-duration) var(--kv-ease);
}

.kv-tool-options__item:hover {
  border-color: color-mix(in srgb, var(--kv-color-accent) 45%, var(--kv-color-border));
}

.kv-tool-options__item:has(input:focus-visible) {
  outline: 2px solid var(--kv-color-focus);
  outline-offset: 2px;
}

.kv-tool-options__item:has(input:checked) {
  border-color: var(--kv-color-accent);
  background: color-mix(in srgb, var(--kv-color-accent) 8%, transparent);
}

.kv-tool-options__item input {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.kv-tool-options__label {
  display: grid;
  gap: 0.2rem;
}

.kv-tool-options__extra {
  display: grid;
  gap: var(--kv-space-2);
}

.kv-field {
  display: grid;
  gap: var(--kv-space-1);
}

.kv-field__label {
  font-size: var(--kv-fs-sm);
  color: var(--kv-color-text-muted);
}

.kv-input {
  max-width: 12rem;
  min-height: 2.75rem;
  padding: var(--kv-space-2) var(--kv-space-3);
  border: 1px solid var(--kv-color-border);
  border-radius: var(--kv-radius-sm);
  background: var(--kv-color-surface);
  color: inherit;
  font: inherit;
}

.kv-error-text {
  margin: var(--kv-space-1) 0 0;
  color: var(--kv-color-danger);
  font-size: var(--kv-fs-sm);
}

@keyframes kv-tool-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes kv-progress-indeterminate {
  0% { transform: translateX(-120%); }
  100% { transform: translateX(280%); }
}

@media (prefers-reduced-motion: reduce) {
  .kv-upload__item,
  .kv-results,
  .kv-upload__dropzone,
  .kv-related-card,
  .kv-upload__progress-bar,
  .kv-tool-options__item {
    animation: none !important;
    transition: none !important;
  }

  .kv-upload__dropzone.is-dragover {
    transform: none;
  }
}

@media (max-width: 639px) {
  .kv-results__previews {
    width: 100%;
    justify-content: stretch;
  }

  .kv-results__preview {
    flex: 1;
    width: auto;
    max-width: none;
  }

  .kv-results__item-actions {
    width: 100%;
  }

  .kv-results__item-actions .kv-btn {
    flex: 1;
  }
}