/* =====================================================
   browse-colors.css — Color Catalog Browser Grid Styling
   Optimized for large desktop viewports
   ===================================================== */

.dt-main {
  padding-top: 0;
  min-height: calc(100vh - 70px - 100px);
  background-color: var(--bg-primary);
}

.dt-section {
  padding: 20px 0 60px;
}



.dt-tool-header {
  margin-bottom: 32px;
}

.dt-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--purple-500);
  text-decoration: none;
  margin-bottom: 16px;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.dt-back-link:hover {
  color: var(--lavender-300);
  transform: translateX(-2px);
}

.dt-back-link svg, .dt-back-link img, .dt-back-link .icon {
  width: 16px;
  height: 16px;
}

.dt-title-large {
  font-size: clamp(2rem, 4.5vw, 2.7rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.dt-subtitle-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0;
  line-height: 1.5;
}

/* Suite Tab Navigation */
.dt-suite-nav {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 6px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  
  /* Responsive horizontal scrollable tabs */
  width: fit-content;
  max-width: 100%;
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  -ms-overflow-style: none;  /* IE/Edge */
  scrollbar-width: none;  /* Firefox */
}

/* Hide scrollbar for Chrome/Safari/Opera */
.dt-suite-nav::-webkit-scrollbar {
  display: none;
}

.dt-nav-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
  flex-shrink: 0; /* Prevent squashing on scrollable layouts */
}

.dt-nav-tab svg, .dt-nav-tab img, .dt-nav-tab .icon {
  width: 16px;
  height: 16px;
}

.dt-nav-tab:hover {
  color: var(--purple-500);
  background: rgba(139, 92, 246, 0.04);
}

.dt-nav-tab.active {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

/* Workspace Block */
.dt-workspace-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  min-height: 600px;
}

/* Toolbar: Search & Filters */
.dt-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 24px;
}

.dt-search-box {
  position: relative;
  width: 360px;
}

.dt-search-box svg, .dt-search-box img, .dt-search-box .icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-muted);
}

.dt-search-box input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.92rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.dt-search-box input:focus {
  border-color: var(--purple-500);
}

.dt-category-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-chip {
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-chip:hover {
  border-color: var(--purple-400);
  color: var(--purple-600);
}

.filter-chip.active {
  background: var(--bg-tertiary);
  color: var(--purple-500);
  border-color: var(--purple-500);
}

/* Swatches Grid */
.dt-swatches-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  will-change: transform;
}

/* Color Cards styling */
.dt-color-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  display: flex;
  flex-direction: column;
  isolation: isolate;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  will-change: transform;
}

@media (hover: hover) {
  .dt-color-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-hover);
  }
}

.dt-color-card-block {
  width: 100%;
  height: 140px;
  position: relative;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  will-change: transform, background-color;
}

.dt-color-card-meta {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  gap: 8px;
}

.dt-color-card-text-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex: 1;
}

.dt-color-card-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dt-color-card-hex {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.dt-color-card-actions-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.dt-card-icon-btn {
  background: transparent;
  border: none;
  padding: 0;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.dt-card-icon-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.dt-card-icon-btn svg, .dt-card-icon-btn img, .dt-card-icon-btn .icon {
  width: 14px;
  height: 14px;
}

@media (max-width: 992px) {
  .dt-section {
    padding: 24px 0 40px;
  }

  /* Remove hover elevation and sticky transform states on mobile and tablet */
  .dt-color-card,
  .dt-color-card:hover,
  .dt-color-card:active,
  .dt-color-card:focus,
  .dt-gradient-card,
  .dt-gradient-card:hover,
  .dt-gradient-card:active {
    transform: none !important;
    -webkit-transform: none !important;
    box-shadow: var(--shadow-sm) !important;
    border-color: var(--border) !important;
    transition: none !important;
  }



  .dt-tool-header {
    margin-bottom: 16px;
  }

  .dt-suite-nav {
    margin-bottom: 16px;
    margin-left: 0;
    margin-right: 0;
    width: auto;
  }

  .dt-workspace-block {
    padding: 24px;
    min-height: auto;
  }

  .dt-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 16px;
  }

  .dt-search-box {
    width: 100%;
  }

  .dt-category-filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    padding: 4px 0;
    width: 100%;
  }

  .filter-chip {
    flex-shrink: 0;
    padding: 6px 14px;
    font-size: 0.8rem;
  }

  .dt-swatches-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .dt-color-card-block {
    height: 120px;
  }

  .dt-color-card-meta {
    padding: 8px 10px;
    gap: 2px;
  }

  .dt-color-card-name {
    font-size: 0.8rem;
  }

  .dt-color-card-hex {
    font-size: 0.7rem;
  }
}

@media (max-width: 768px) {
  .dt-suite-nav {
    width: auto !important;
    max-width: 100% !important;
    gap: 6px !important;
    padding: 4px 6px !important;
    box-sizing: border-box !important;
    overflow-x: auto !important;
    white-space: nowrap !important;
    -webkit-overflow-scrolling: touch !important;
  }
  .dt-nav-tab {
    flex: 0 0 auto !important;
    justify-content: center !important;
    padding: 8px 14px !important;
    font-size: 0.84rem !important;
    gap: 6px !important;
    text-overflow: clip !important;
    overflow: visible !important;
    white-space: nowrap !important;
  }
  .dt-nav-tab svg, .dt-nav-tab img, .dt-nav-tab .icon {
    width: 15px !important;
    height: 15px !important;
    flex-shrink: 0 !important;
  }

  .dt-title-large {
    font-size: 1.8rem;
  }
  
  .dt-subtitle-text {
    font-size: 0.95rem;
  }

  /* Centered copy acknowledgment toast for mobile/tablet */
  .dt-toast {
    bottom: 20px;
    left: 50%;
    right: auto;
    transform: translate(-50%, 12px);
    width: auto !important;
    max-width: calc(100% - 32px) !important;
    padding: 8px 14px !important;
    font-size: 0.78rem !important;
    gap: 6px !important;
    justify-content: center !important;
    box-sizing: border-box !important;
    word-break: break-word !important;
  }

  .dt-toast.show {
    transform: translate(-50%, 0) !important;
  }
}

@media (max-width: 576px) {
  .dt-section {
    padding: 16px 0 30px;
  }



  .dt-workspace-block {
    padding: 16px;
    border-radius: var(--radius-md);
  }

  .dt-swatches-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .dt-color-card-block {
    height: 100px;
  }
}

/* Copy Toast message */
.dt-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1.5px solid var(--border);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 9999;
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dt-toast::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238b5cf6' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  flex-shrink: 0;
}

.dt-toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* Load More Button Wrapper */
.dt-load-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: 32px;
}

#dt-load-more-btn {
  min-width: 180px;
  height: 42px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.88rem;
}

/* Global Options Dropdown */
.dt-options-dropdown {
  position: absolute;
  z-index: 40000;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  width: 160px;
  padding: 6px 0;
  display: none; /* controlled via js */
  flex-direction: column;
}

.dt-options-dropdown.open {
  display: flex;
}

.dt-options-item {
  position: relative;
  padding: 8px 12px;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.dt-options-item:hover {
  background: rgba(139, 92, 246, 0.06);
  color: var(--purple-500);
}

.dt-opt-icon {
  width: 14px;
  height: 14px;
  margin-right: 8px;
  color: inherit;
  flex-shrink: 0;
}

.dt-options-item span {
  flex-shrink: 0;
  margin-right: auto;
}

.dt-chevron-right {
  width: 12px;
  height: 12px;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* Submenu CSS positioning */
.dt-options-submenu {
  position: absolute;
  top: -6px;
  left: 100%;
  z-index: 40001;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  width: 110px;
  padding: 4px 0;
  display: none;
  flex-direction: column;
}

.dt-options-dropdown.left-align .dt-options-submenu {
  left: auto;
  right: 100%;
}

.dt-options-submenu-trigger:hover .dt-options-submenu {
  display: flex;
}

.dt-submenu-item {
  padding: 6px 12px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.dt-submenu-item:hover {
  background: rgba(139, 92, 246, 0.06);
  color: var(--purple-500);
}

/* Fullscreen color preview overlay */
.dt-fullscreen-preview {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  color: #ffffff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.dt-fullscreen-preview.open {
  opacity: 1;
  pointer-events: auto;
}

.dt-fullscreen-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: rgba(15, 23, 42, 0.6);
  color: #ffffff;
  backdrop-filter: blur(4px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: background 0.2s, color 0.2s;
}

.dt-fullscreen-close:hover {
  background: rgba(15, 23, 42, 0.85);
}

.dt-fullscreen-close svg, .dt-fullscreen-close img, .dt-fullscreen-close .icon {
  width: 24px;
  height: 24px;
}

.dt-fullscreen-info {
  text-align: center;
}

.dt-fullscreen-name {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.dt-fullscreen-hex {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 600;
  opacity: 0.9;
}

/* Browse Sub-Tabs Styling */
.dt-sub-tabs {
  display: flex;
  gap: 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
  padding-bottom: 4px;
}

.dt-sub-tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  padding: 8px 6px;
  cursor: pointer;
  position: relative;
  transition: color var(--transition-fast);
}

.dt-sub-tab:hover {
  color: var(--purple-500);
}

.dt-sub-tab.active {
  color: var(--purple-500);
}

.dt-sub-tab.active::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--purple-500);
  border-radius: var(--radius-full);
}

/* Gradients Cards Grid */
.dt-gradients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  will-change: transform;
}

@media (max-width: 992px) {
  .dt-gradients-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (max-width: 576px) {
  .dt-gradients-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* Gradient Card Styling (matches color card structural height) */
.dt-gradient-card {
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.dt-gradient-card:hover {
  border-color: var(--border-hover);
}

.dt-gradient-card-block {
  width: 100%;
  height: 140px;
  position: relative;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  will-change: transform;
  cursor: pointer;
}

@media (max-width: 992px) {
  .dt-gradient-card-block {
    height: 120px;
  }
}

@media (max-width: 576px) {
  .dt-gradient-card-block {
    height: 100px;
  }
}

.dt-gradient-card-meta {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  gap: 8px;
}

@media (max-width: 992px) {
  .dt-gradient-card-meta {
    padding: 8px 10px;
    gap: 2px;
  }
}

.dt-gradient-card-text-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex: 1;
}

.dt-gradient-card-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 992px) {
  .dt-gradient-card-name {
    font-size: 0.8rem;
  }
}

.dt-gradient-card-stops-count {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

@media (max-width: 992px) {
  .dt-gradient-card-stops-count {
    font-size: 0.65rem;
  }
}

.dt-gradient-card-actions-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

/* Edit gradient button styles */
.dt-gradient-edit-btn {
  background: rgba(139, 92, 246, 0.08);
  color: var(--purple-500);
  border: 1px solid rgba(139, 92, 246, 0.2);
  padding: 4px 10px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.dt-gradient-edit-btn:hover {
  background: var(--purple-500);
  color: #ffffff;
  border-color: var(--purple-500);
}

@media (max-width: 992px) {
  .dt-gradient-edit-btn {
    padding: 3px 8px;
    font-size: 0.7rem;
  }
}

/* Neutralize legacy tool toast classes to defer to global toast system */
.copy-toast, .qr-toast, .dt-toast, .toast-msg { display: none !important; }