/* Tinted Finishes — AI Stain Preview Tool */

body.tinted-home {
  --tf-cream: #fbf9f5;
  --tf-sand: #ece6db;
  --tf-tan: #f5f0e6;
  --tf-brown: #4a3e3a;
  --tf-brown-muted: rgba(74, 62, 58, 0.65);
  --tf-brown-soft: rgba(74, 62, 58, 0.6);
  --tf-accent: #95805f;
  --tf-border: #b9af9e;
  --tf-border-soft: rgba(185, 175, 158, 0.6);
  --tf-promo-bg: #4a3e3a;
  --tf-promo-text: #ece6db;
  --tf-font-body: "Work Sans", sans-serif;
  --tf-font-display: "Cormorant Garamond", serif;

  background: var(--tf-cream);
  color: var(--tf-brown);
  font-family: var(--tf-font-body);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body.tinted-home a {
  color: inherit;
}

body.tinted-home .tf-app {
  min-height: 100vh;
  background: var(--tf-cream);
}

/* Header */
.tf-header {
  z-index: 50;
  background: var(--tf-sand);
}

.tf-promo-bar {
  background: var(--tf-promo-bg);
  color: var(--tf-promo-text);
  font-family: var(--tf-font-body);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tf-promo-bar strong {
  font-weight: 600;
}

.tf-header-main {
  border-bottom: 1px solid var(--tf-brown);
  max-width: 100%;
}

.tf-logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.tf-logo {
  height: 38px;
  width: auto;
  display: block;
}

.tf-tagline {
  font-family: var(--tf-font-display);
  font-size: 0.9rem;
  color: rgba(74, 62, 58, 0.6);
  font-style: italic;
  font-weight: 300;
  letter-spacing: 0.04em;
}

.tf-btn-shop {
  font-family: var(--tf-font-body);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tf-cream);
  background: var(--tf-accent);
  border: none;
  border-radius: 0;
  padding: 0.55rem 1.1rem;
  text-decoration: none;
  transition: opacity 0.2s;
}

.tf-btn-shop:hover,
.tf-btn-shop:focus {
  color: var(--tf-cream);
  opacity: 0.9;
}

.tf-nav-btn {
  position: relative;
  font-family: var(--tf-font-body);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tf-brown-muted);
  background: transparent;
  border: none;
  padding: 0.75rem 1.25rem;
  transition: color 0.2s;
}

.tf-nav-btn:hover,
.tf-nav-btn:focus {
  color: var(--tf-accent);
}

.tf-nav-btn.active {
  color: var(--tf-accent);
}

.tf-nav-btn.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--tf-accent);
}

/* Workspace */
.tf-workspace {
  height: calc(100vh - 116px);
  min-height: 480px;
}

.tf-main {
  background: var(--tf-cream);
}

.tf-upload-view,
.tf-preview-view {
  min-height: 100%;
}

.tf-upload-inner {
  gap: 1.5rem;
  max-width: 42rem;
  margin: 0 auto;
}

.tf-display-title {
  font-family: var(--tf-font-display);
  font-size: 2rem;
  font-weight: 300;
  color: var(--tf-brown);
  letter-spacing: 0.02em;
  line-height: 1.2;
  margin-bottom: 6px;
}

.tf-upload-sub {
  font-family: var(--tf-font-body);
  font-size: 0.72rem;
  color: var(--tf-brown-soft);
  letter-spacing: 0.06em;
  font-weight: 300;
  margin: 0;
}

/* Dropzone */
.tf-dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2.5rem 2rem;
  border: 1.5px dashed var(--tf-border);
  background: var(--tf-tan);
  cursor: pointer;
  transition: border-color 0.25s, background 0.25s;
  max-width: 42rem;
}

.tf-dropzone:hover,
.tf-dropzone:focus,
.tf-dropzone.drag-over {
  border-color: var(--tf-accent);
  background: #f0ebe0;
  outline: none;
}

.tf-dropzone-icon {
  color: var(--tf-accent);
}

.tf-dropzone-title {
  font-family: var(--tf-font-display);
  font-size: 1.25rem;
  color: var(--tf-brown);
  font-weight: 300;
  letter-spacing: 0.02em;
}

.tf-dropzone-hint {
  font-family: var(--tf-font-body);
  font-size: 0.65rem;
  color: rgba(74, 62, 58, 0.55);
  letter-spacing: 0.06em;
  margin-top: 4px;
  font-weight: 300;
}

/* Examples */
.tf-examples {
  max-width: 42rem;
}

.tf-divider {
  height: 1px;
  background: var(--tf-border);
}

.tf-examples-label {
  font-family: var(--tf-font-body);
  font-size: 0.58rem;
  color: rgba(74, 62, 58, 0.5);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
}

.tf-example-col {
  flex: 0 0 20%;
  max-width: 20%;
}

@media (max-width: 575.98px) {
  .tf-example-col {
    flex: 0 0 50%;
    max-width: 50%;
  }
}

@media (min-width: 576px) and (max-width: 767.98px) {
  .tf-example-col {
    flex: 0 0 33.333%;
    max-width: 33.333%;
  }
}

.tf-example-btn {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--tf-border) !important;
  border-radius: 0;
  background: transparent;
  transition: transform 0.2s;
}

.tf-example-btn:hover {
  transform: scale(1.02);
}

.tf-example-img {
  display: block;
  transition: transform 0.3s;
}

.tf-example-btn:hover .tf-example-img {
  transform: scale(1.05);
}

.tf-example-overlay {
  background: linear-gradient(to top, rgba(74, 62, 58, 0.85) 0%, transparent 55%);
  text-align: left;
}

.tf-example-name {
  font-family: var(--tf-font-body);
  font-size: 0.55rem;
  color: var(--tf-promo-text);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tf-example-hint {
  font-family: var(--tf-font-body);
  font-size: 0.48rem;
  color: rgba(236, 230, 219, 0.7);
  font-weight: 300;
  margin-top: 1px;
}

/* Tips */
.tf-tips {
  max-width: 42rem;
  background: var(--tf-tan);
  border: 1px solid var(--tf-border);
}

.tf-tips-label {
  font-family: var(--tf-font-body);
  font-size: 0.58rem;
  color: var(--tf-accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 10px;
}

.tf-tip {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-family: var(--tf-font-body);
  font-size: 0.62rem;
  color: rgba(74, 62, 58, 0.65);
  font-weight: 300;
  line-height: 1.45;
  letter-spacing: 0.02em;
}

.tf-tip-icon {
  flex-shrink: 0;
  font-size: 0.65rem;
  font-weight: 500;
  margin-top: 1px;
}

.tf-tip-good .tf-tip-icon {
  color: var(--tf-accent);
}

.tf-tip-bad .tf-tip-icon {
  color: var(--tf-border);
}

/* Preview view */
.tf-preview-toolbar {
  background: var(--tf-tan);
  border-bottom: 1px solid var(--tf-border-soft);
}

.tf-btn-text {
  font-family: var(--tf-font-body);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tf-brown-muted);
  background: transparent;
  border: none;
  padding: 0.25rem 0;
}

.tf-btn-text:hover {
  color: var(--tf-accent);
}

.tf-btn-outline {
  font-family: var(--tf-font-body);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tf-brown);
  background: transparent;
  border: 1px solid var(--tf-border);
  border-radius: 0;
}

.tf-btn-outline:hover:not(:disabled) {
  border-color: var(--tf-accent);
  color: var(--tf-accent);
}

.tf-btn-outline:disabled {
  opacity: 0.45;
}

.tf-selected-color-label {
  font-family: var(--tf-font-display);
  font-size: 1rem;
  font-weight: 300;
  color: var(--tf-brown);
  letter-spacing: 0.02em;
}

.tf-preview-stage {
  flex: 1;
  min-height: 320px;
  background: #1a1614;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.tf-preview-canvas-wrap {
  position: relative;
  max-width: 100%;
  max-height: calc(100vh - 220px);
  line-height: 0;
}

.tf-preview-image,
.tf-preview-canvas {
  max-width: 100%;
  max-height: calc(100vh - 220px);
  width: auto;
  height: auto;
  display: block;
}

.tf-preview-canvas {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
}

.tf-preview-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(251, 249, 245, 0.85);
  z-index: 5;
}

.tf-loading-text {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--tf-brown-soft);
}

/* Compare slider */
.tf-compare-slider {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.tf-compare-slider img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.tf-compare-before,
.tf-compare-after {
  position: absolute;
  inset: 0;
}

.tf-compare-after {
  clip-path: inset(0 0 0 50%);
}

.tf-compare-range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
  z-index: 10;
  margin: 0;
}

.tf-compare-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: #fff;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 5;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.35);
}

.tf-compare-handle::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--tf-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Placeholder panels */
.tf-panel-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--tf-cream);
  padding: 3rem 1.5rem;
}

.tf-placeholder-inner {
  max-width: 28rem;
}

.tf-coming-soon {
  font-family: var(--tf-font-body);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tf-accent);
  margin-top: 1.5rem;
}

/* Sidebar palette */
.tf-sidebar {
  width: 100%;
  border-top: 1px solid var(--tf-border);
  background: var(--tf-sand);
}

@media (min-width: 992px) {
  .tf-sidebar {
    width: 16rem;
    max-width: 18rem;
    border-top: none;
    border-left: 1px solid var(--tf-border);
  }
}

@media (min-width: 1200px) {
  .tf-sidebar {
    width: 18rem;
  }
}

.tf-palette-header {
  border-bottom: 1px solid var(--tf-border);
}

.tf-palette-title {
  font-family: var(--tf-font-display);
  font-size: 1.15rem;
  color: var(--tf-brown);
  font-weight: 300;
  letter-spacing: 0.02em;
}

.tf-palette-sub {
  font-family: var(--tf-font-body);
  font-size: 0.58rem;
  color: rgba(74, 62, 58, 0.55);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-top: 2px;
  font-weight: 400;
}

.tf-palette-search {
  background: var(--tf-cream);
  border: 1px solid var(--tf-border);
  border-radius: 0;
  color: var(--tf-brown);
  font-family: var(--tf-font-body);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  padding: 0.35rem 0.75rem;
  box-shadow: none;
}

.tf-palette-search:focus {
  border-color: var(--tf-accent);
  box-shadow: none;
}

.tf-palette-search-wrap {
  border-bottom: 1px solid rgba(185, 175, 158, 0.5);
}

.tf-filter-row {
  border-bottom: 1px solid rgba(185, 175, 158, 0.5);
  scrollbar-width: none;
}

.tf-filter-row::-webkit-scrollbar {
  display: none;
}

.tf-filter-btn {
  flex-shrink: 0;
  font-family: var(--tf-font-body);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 400;
  padding: 0.2rem 0.5rem;
  border-radius: 0;
  border: 1px solid var(--tf-border);
  background: transparent;
  color: var(--tf-brown-muted);
  white-space: nowrap;
  transition: all 0.15s;
}

.tf-filter-btn.active {
  background: var(--tf-accent);
  color: var(--tf-cream);
  border-color: var(--tf-accent);
}

.tf-filter-btn:hover:not(.active) {
  border-color: var(--tf-accent);
  color: var(--tf-accent);
}

.tf-palette-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  align-content: start;
}

.tf-color-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 0.5rem 2px;
  background: rgba(251, 249, 245, 0.5);
  border: 1px solid var(--tf-border-soft);
  border-radius: 0;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.tf-color-btn:hover {
  border-color: var(--tf-accent);
}

.tf-color-btn.selected {
  border-color: var(--tf-accent);
  background: rgba(149, 128, 95, 0.12);
  box-shadow: inset 0 0 0 1px var(--tf-accent);
}

.tf-color-btn.hidden-by-filter {
  display: none;
}

.tf-color-swatch {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: rgba(74, 62, 58, 0.22) 0 1px 4px, rgba(255, 255, 255, 0.15) 0 1px 0 inset;
  transition: transform 0.2s;
}

.tf-color-btn:hover .tf-color-swatch,
.tf-color-btn.selected .tf-color-swatch {
  transform: scale(1.05);
}

.tf-color-num {
  font-family: var(--tf-font-body);
  font-size: 0.48rem;
  color: rgba(74, 62, 58, 0.4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  line-height: 1;
}

.tf-color-name {
  font-family: var(--tf-font-body);
  font-size: 0.58rem;
  color: var(--tf-brown);
  letter-spacing: 0.02em;
  font-weight: 300;
  line-height: 1.2;
  text-align: center;
  word-break: break-word;
  width: 100%;
}

/* Footer */
.tf-site-footer {
  background: var(--tf-promo-bg);
  border-top: 1px solid var(--tf-promo-bg);
}

.tf-footer-copy {
  font-family: var(--tf-font-body);
  font-size: 0.58rem;
  color: rgba(236, 230, 219, 0.55);
  letter-spacing: 0.1em;
  font-weight: 300;
}

.tf-footer-link {
  font-family: var(--tf-font-body);
  font-size: 0.58rem;
  color: rgba(236, 230, 219, 0.6);
  letter-spacing: 0.1em;
  text-decoration: none;
  font-weight: 300;
  transition: color 0.2s;
  white-space: nowrap;
}

.tf-footer-link:hover {
  color: var(--tf-promo-text);
}

@media (max-width: 575.98px) {
  .tf-site-footer {
    flex-direction: column;
    align-items: flex-start !important;
    gap: 0.5rem;
  }

  .tf-workspace {
    height: auto;
    min-height: calc(100vh - 116px);
  }

  .tf-sidebar {
    max-height: 42vh;
  }

  .tf-display-title {
    font-size: 1.65rem;
  }
}