/**
 * AllToolsNow.com - Component Styles
 * Buttons, Search, Category Cards with Accents, Tool Cards, Badges, Dropzones, and FAQ.
 */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 20px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1.25;
}

.btn:hover {
  text-decoration: none;
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.btn-primary:active {
  background-color: var(--color-primary-active);
  transform: none;
}

.btn-secondary {
  background-color: #FFFFFF;
  color: var(--color-text-main);
  border-color: var(--color-border);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background-color: var(--color-bg-soft);
  border-color: var(--color-border-hover);
  color: var(--color-text-main);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary-border);
}

.btn-outline:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary-hover);
}

.btn-sm {
  padding: 7px 14px;
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 14px 28px;
  font-size: var(--font-size-base);
  border-radius: var(--radius-lg);
}

.btn-full {
  width: 100%;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  line-height: 1;
  letter-spacing: 0.02em;
}

.badge-primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid var(--color-primary-border);
}

.badge-success {
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}

.badge-warning {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid var(--color-warning-border);
}

.badge-neutral {
  background-color: var(--color-bg-alt);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.badge-error {
  background-color: var(--color-error-bg);
  color: var(--color-error);
  border: 1px solid var(--color-error-border);
}

/* Hero Section */
.hero {
  padding: var(--space-16) 0 var(--space-12) 0;
  text-align: center;
  background: radial-gradient(130% 100% at 50% 0%, #EBF4FF 0%, #F8FAFC 60%, #FFFFFF 100%);
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .hero {
    padding: var(--space-20) 0 var(--space-16) 0;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 14px;
  background-color: #FFFFFF;
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  box-shadow: 0 1px 3px rgba(37, 99, 235, 0.08);
}

.hero-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-text-main);
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-4);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: var(--font-size-5xl);
  }
}

.hero-lead {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-8);
  line-height: var(--line-height-relaxed);
}

/* Search Box Component */
.search-wrapper {
  position: relative;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.search-input-box {
  position: relative;
  display: flex;
  align-items: center;
  background-color: #FFFFFF;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.search-input-box:focus-within {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.search-icon {
  position: absolute;
  left: var(--space-4);
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  pointer-events: none;
  flex-shrink: 0;
}

.search-input {
  width: 100%;
  height: 56px;
  padding: 0 var(--space-12) 0 48px;
  border: none;
  background: transparent;
  font-size: var(--font-size-base);
  color: var(--color-text-main);
  border-radius: var(--radius-xl);
}

.search-input::-webkit-search-decoration,
.search-input::-webkit-search-cancel-button,
.search-input::-webkit-search-results-button,
.search-input::-webkit-search-results-decoration {
  -webkit-appearance: none;
  display: none;
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

.search-clear-btn {
  position: absolute;
  right: var(--space-4);
  display: none;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-alt);
  color: var(--color-text-secondary);
  cursor: pointer;
  border: none;
  padding: 0;
}

.search-clear-btn.is-visible {
  display: flex;
}

.search-clear-btn:hover {
  background-color: var(--color-border);
  color: var(--color-text-main);
}

/* Quick Search Suggestions */
.search-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.search-wrapper.has-query .search-tags {
  display: none !important;
}

.search-tag-btn {
  padding: 3px 10px;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.search-tag-btn:hover {
  border-color: var(--color-primary-border);
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  text-decoration: none;
}

/* Search Dropdown Panel */
.search-results-panel {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  right: 0;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 90;
  max-height: 400px;
  overflow-y: auto;
  text-align: left;
  display: none;
}

@media (max-width: 768px) {
  .search-results-panel {
    max-height: min(340px, 48vh);
    -webkit-overflow-scrolling: touch;
  }
}

.search-results-panel.is-active {
  display: block;
}

.search-results-list {
  list-style: none;
  padding: var(--space-2);
  margin: 0;
}

.search-result-item a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  color: var(--color-text-main);
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.search-result-item a:hover,
.search-result-item a:focus,
.search-result-item a.is-selected {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  text-decoration: none;
}

.search-result-info {
  display: flex;
  flex-direction: column;
}

.search-result-title {
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.search-result-category {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Category Cards with Category Color Accents */
.category-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xs);
  text-decoration: none;
  transition: all var(--transition-fast);
  color: var(--color-text-main);
  height: 100%;
}

.category-card:hover {
  border-color: var(--color-primary-border);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  text-decoration: none;
}

.category-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}

.category-card-icon svg {
  width: 26px;
  height: 26px;
}

/* Category Specific Badges & Icons */
.category-card--pdf .category-card-icon { background-color: var(--cat-pdf-bg); color: var(--cat-pdf); }
.category-card--image .category-card-icon { background-color: var(--cat-image-bg); color: var(--cat-image); }
.category-card--doc .category-card-icon { background-color: var(--cat-doc-bg); color: var(--cat-doc); }
.category-card--file .category-card-icon { background-color: var(--cat-file-bg); color: var(--cat-file); }
.category-card--text .category-card-icon { background-color: var(--cat-text-bg); color: var(--cat-text); }
.category-card--calc .category-card-icon { background-color: var(--cat-calc-bg); color: var(--cat-calc); }

.category-card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-text-main);
}

.category-card:hover .category-card-title {
  color: var(--color-primary);
}

.category-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-5);
  flex-grow: 1;
}

.category-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Tool Cards */
.tool-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xs);
  text-decoration: none;
  transition: all var(--transition-fast);
  color: var(--color-text-main);
  position: relative;
  height: 100%;
}

.tool-card:hover {
  border-color: var(--color-primary-border);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  text-decoration: none;
}

.tool-card--disabled {
  background-color: var(--color-bg-soft);
  opacity: 0.9;
  cursor: default;
}

.tool-card--disabled:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-xs);
  transform: none;
}

.tool-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  gap: var(--space-2);
}

.tool-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  flex-shrink: 0;
}

.tool-card-icon svg {
  width: 22px;
  height: 22px;
}

.tool-card-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-text-main);
}

.tool-card:hover .tool-card-title {
  color: var(--color-primary);
}

.tool-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  margin-bottom: var(--space-5);
  flex-grow: 1;
}

.tool-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Feature Benefits Cards */
.feature-card {
  padding: var(--space-6);
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-align: left;
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-lg);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.feature-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: 0;
}

/* Alerts and Notices */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-6);
  line-height: var(--line-height-base);
}

.alert svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.alert-info {
  background-color: var(--color-info-bg);
  color: var(--color-info);
  border: 1px solid var(--color-info-border);
}

.alert-success {
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}

.alert-warning {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid var(--color-warning-border);
}

.alert-error {
  background-color: var(--color-error-bg);
  color: var(--color-error);
  border: 1px solid var(--color-error-border);
}

/* Dropzone / Upload Area */
.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-6);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-xl);
  background-color: var(--color-bg-soft);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dropzone:hover,
.dropzone.is-dragover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.dropzone-icon {
  width: 56px;
  height: 56px;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.dropzone-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.dropzone-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

/* File List */
.file-list {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
}

.file-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  overflow: hidden;
}

.file-name {
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 320px;
}

.file-size {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}

.file-remove-btn {
  color: var(--color-text-muted);
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.file-remove-btn:hover {
  color: var(--color-error);
}

/* FAQ Accordion */
.faq-accordion,
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: #FFFFFF;
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.faq-item[open],
.faq-item.is-open {
  border-color: var(--color-primary-border);
  box-shadow: var(--shadow-sm);
}

.faq-summary,
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-main);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  user-select: none;
  list-style: none;
  font-family: inherit;
  transition: background-color var(--transition-fast);
}

.faq-summary:hover,
.faq-question:hover {
  background-color: var(--color-bg-soft);
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-summary::after {
  content: '';
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--color-text-secondary);
  border-bottom: 2px solid var(--color-text-secondary);
  transform: rotate(45deg);
  transition: transform var(--transition-fast);
  margin-left: var(--space-3);
  flex-shrink: 0;
}

.faq-item[open] .faq-summary::after,
.faq-item.is-open .faq-summary::after {
  transform: rotate(-135deg);
}

.faq-content,
.faq-answer {
  padding: 0 var(--space-6) var(--space-6) var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.faq-chevron {
  transition: transform var(--transition-fast);
  flex-shrink: 0;
  margin-left: var(--space-3);
  color: var(--color-text-secondary);
}

.faq-item.is-open .faq-chevron,
.faq-question[aria-expanded="true"] .faq-chevron {
  transform: rotate(180deg);
}

/* ============================================================
   Converter Workbench & File Queue Components (Compact Carousel)
   ============================================================ */
.converter-workbench {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  padding: 16px 20px;
  margin-bottom: var(--space-8);
  position: relative;
  transition: all var(--transition-normal);
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .converter-workbench {
    padding: 18px 24px;
  }
}

/* 1. Compact Dropzone (Empty State) */
.converter-dropzone,
.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  padding: 16px 24px;
  border: 2px dashed #93c5fd;
  border-radius: var(--radius-lg);
  background-color: #fafcff;
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.converter-dropzone:hover,
.converter-dropzone.is-dragover,
.dropzone:hover,
.dropzone.is-dragover {
  border-color: var(--color-primary);
  background-color: #f0f7ff;
  transform: translateY(-1px);
}

/* Subtle Chevrons on Empty Dropzone Sides (Matching Competitor Image 2) */
.converter-dropzone::before,
.converter-dropzone::after,
.dropzone::before,
.dropzone::after {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.45;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.converter-dropzone::before,
.dropzone::before {
  left: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f87171' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='15 18 9 12 15 6'%3E%3C/polyline%3E%3C/svg%3E");
}

.converter-dropzone::after,
.dropzone::after {
  right: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f87171' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='9 18 15 12 9 6'%3E%3C/polyline%3E%3C/svg%3E");
}

.converter-dropzone-icon,
.dropzone-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background-color: #eff6ff;
  color: var(--color-primary);
  margin-bottom: 6px;
  border: 1px solid #bfdbfe;
}

.converter-dropzone-icon svg,
.dropzone-icon svg {
  width: 20px;
  height: 20px;
}

.converter-dropzone-title,
.dropzone-text {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-main);
  margin: 0 0 2px 0;
}

.converter-dropzone-sub {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin: 0 0 8px 0;
}

.converter-dropzone .btn,
.dropzone .btn {
  display: inline-block;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 6px;
}

.converter-dropzone-hint,
.dropzone-hint {
  display: none !important;
}

/* 2. Single-Place Replacement: Dropzone Hides When Files Exist */
.converter-workbench.has-files .converter-dropzone,
.converter-workbench.has-files .dropzone,
.converter-workbench:has(.file-queue-section.is-active) .converter-dropzone,
.converter-workbench:has(.file-queue-section.is-active) .dropzone {
  display: none !important;
}

/* 3. File Queue Section (Replaces dropzone in place) */
.file-queue-section {
  display: none;
  margin-top: 0;
}

.file-queue-section.is-active {
  display: flex !important;
  flex-direction: column !important;
  margin-top: 0 !important;
  animation: atn-fade-in 0.15s ease-out;
}

/* Top Action Header */
.file-queue-header {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 12px !important;
  margin-bottom: 10px !important;
  padding-bottom: 8px !important;
  border-bottom: 1px solid var(--color-border) !important;
}

.file-queue-header .file-queue-title {
  display: none !important;
}

.file-queue-header .btn-select-files-top,
.file-queue-header .btn-primary {
  background-color: #2563eb !important;
  color: #ffffff !important;
  border: 1px solid #1d4ed8 !important;
  font-weight: 700 !important;
  font-size: 12px !important;
  letter-spacing: 0.03em !important;
  padding: 5px 16px !important;
  border-radius: 6px !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 5px !important;
  cursor: pointer !important;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1) !important;
  transition: all 0.15s ease !important;
}

.file-queue-header .btn-select-files-top:hover,
.file-queue-header .btn-primary:hover {
  background-color: #1d4ed8 !important;
}

.file-queue-header [data-btn-clear],
.file-queue-header .btn-danger,
.file-queue-header .btn-clear {
  background-color: #dc2626 !important;
  color: #ffffff !important;
  border: 1px solid #b91c1c !important;
  font-weight: 700 !important;
  font-size: 12px !important;
  letter-spacing: 0.03em !important;
  padding: 5px 16px !important;
  border-radius: 6px !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 5px !important;
  cursor: pointer !important;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1) !important;
  transition: all 0.15s ease !important;
}

.file-queue-header [data-btn-clear]:hover,
.file-queue-header .btn-danger:hover,
.file-queue-header .btn-clear:hover {
  background-color: #b91c1c !important;
}

/* 4. Carousel Wrapper & Left/Right Arrows */
.file-queue-carousel-wrap {
  position: relative !important;
  display: flex !important;
  align-items: center !important;
  width: 100% !important;
}

.carousel-arrow {
  position: absolute !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  width: 26px !important;
  height: 26px !important;
  background: #ffffff !important;
  border: 1px solid #e2e8f0 !important;
  border-radius: 50% !important;
  color: #ef4444 !important;
  font-size: 16px !important;
  font-weight: 700 !important;
  line-height: 1 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  z-index: 10 !important;
  box-shadow: 0 2px 5px rgba(0,0,0,0.12) !important;
  transition: all 0.15s ease !important;
  user-select: none !important;
}

.carousel-arrow:hover {
  background: #f8fafc !important;
  transform: translateY(-50%) scale(1.08) !important;
  color: #dc2626 !important;
}

.carousel-arrow-prev { left: -8px !important; }
.carousel-arrow-next { right: -8px !important; }

/* 5. Horizontal Scrolling Card Carousel */
.file-queue-list {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  overflow-x: auto !important;
  overflow-y: hidden !important;
  scroll-behavior: smooth !important;
  -webkit-overflow-scrolling: touch;
  gap: 12px !important;
  padding: 6px 12px 10px 12px !important;
  min-height: 126px !important;
  margin: 0 0 10px 0 !important;
  width: 100% !important;
  box-sizing: border-box !important;
  scrollbar-width: none !important; /* Hide ugly scrollbar, matching competitor Image 3 */
  -ms-overflow-style: none !important;
}

.file-queue-list::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}

/* 6. Individual Thumbnail Cards (114px x 124px, Checkerboard, Centered Format) */
.file-card,
.file-queue-card {
  position: relative !important;
  width: 114px !important;
  min-width: 114px !important;
  max-width: 114px !important;
  height: 124px !important;
  flex-shrink: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  padding: 0 !important;
  margin: 0 !important;
  border-radius: 8px !important;
  border: 1px solid #cbd5e1 !important;
  background-color: #ffffff !important;
  background-image:
    linear-gradient(45deg, #e5e7eb 25%, transparent 25%),
    linear-gradient(-45deg, #e5e7eb 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e5e7eb 75%),
    linear-gradient(-45deg, transparent 75%, #e5e7eb 75%) !important;
  background-size: 14px 14px !important;
  background-position: 0 0, 0 7px, 7px -7px, -7px 0px !important;
  overflow: hidden !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08) !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease !important;
  box-sizing: border-box !important;
}

.file-card:hover,
.file-queue-card:hover {
  border-color: #94a3b8 !important;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.14) !important;
  transform: translateY(-1px) !important;
}

.file-card-preview {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  z-index: 1 !important;
  overflow: hidden !important;
  border: none !important;
  background: transparent !important;
  border-radius: 0 !important;
  padding: 0 !important;
  margin: 0 !important;
}

.file-card-preview img,
.file-card-preview canvas {
  width: 100% !important;
  height: 100% !important;
  object-fit: contain !important;
  display: block !important;
}

/* Centered Format Watermark */
.file-card-preview::after,
.file-card-format-tag {
  content: attr(data-format);
  position: absolute !important;
  top: 50% !important;
  left: 50% !important;
  transform: translate(-50%, -50%) !important;
  font-size: 19px !important;
  font-weight: 800 !important;
  color: #ffffff !important;
  letter-spacing: 0.06em !important;
  text-shadow: 0 1px 3px rgba(0,0,0,0.8), 0 0 2px rgba(0,0,0,0.9) !important;
  pointer-events: none !important;
  z-index: 2 !important;
  user-select: none !important;
}

/* Filename Pill at Top-Left */
.file-card-details {
  position: absolute !important;
  top: 4px !important;
  left: 4px !important;
  right: 28px !important;
  z-index: 3 !important;
  pointer-events: none !important;
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  margin: 0 !important;
}

.file-card-name {
  font-size: 10px !important;
  font-weight: 600 !important;
  color: #ffffff !important;
  background: rgba(15, 23, 42, 0.72) !important;
  padding: 2px 5px !important;
  border-radius: 4px !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  display: inline-block !important;
  max-width: 100% !important;
  backdrop-filter: blur(2px) !important;
  line-height: 1.2 !important;
  margin: 0 !important;
}

.file-card-meta,
.file-card-error {
  display: none !important;
}

/* Close / Remove [x] button at Top-Right */
.btn-card-remove,
.file-card [data-remove-id],
.file-queue-card [data-remove-id] {
  position: absolute !important;
  top: 4px !important;
  right: 4px !important;
  width: 19px !important;
  height: 19px !important;
  border-radius: 4px !important;
  background: #ffffff !important;
  color: #475569 !important;
  border: 1px solid rgba(0, 0, 0, 0.2) !important;
  font-size: 0 !important;
  line-height: 1 !important;
  padding: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  z-index: 5 !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15) !important;
  transition: all 0.15s ease !important;
}

.btn-card-remove::before,
.file-card [data-remove-id]::before,
.file-queue-card [data-remove-id]::before {
  content: '×' !important;
  font-size: 14px !important;
  font-weight: 700 !important;
  line-height: 1 !important;
  color: #475569 !important;
}

.btn-card-remove:hover,
.file-card [data-remove-id]:hover,
.file-queue-card [data-remove-id]:hover {
  background: #ef4444 !important;
  border-color: #ef4444 !important;
}

.btn-card-remove:hover::before,
.file-card [data-remove-id]:hover::before,
.file-queue-card [data-remove-id]:hover::before {
  color: #ffffff !important;
}

.file-card-actions {
  position: static !important;
}

.file-card-actions .btn:not([data-remove-id]) {
  display: none !important;
}

/* Status / Progress on Card */
.file-card-status {
  position: absolute !important;
  bottom: 4px !important;
  left: 4px !important;
  right: 4px !important;
  z-index: 4 !important;
  display: flex !important;
  justify-content: center !important;
}

.file-card-status .badge {
  font-size: 9px !important;
  padding: 2px 6px !important;
  border-radius: 4px !important;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2) !important;
}

/* 7. Bottom Actions Bar */
.queue-actions-bar {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 14px !important;
  padding-top: 8px !important;
  border-top: 1px solid var(--color-border) !important;
  margin-top: 2px !important;
}

.queue-actions-left,
.queue-actions-right {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
}

[data-btn-convert-more] {
  display: none !important;
}

[data-btn-convert][style*="display: none"],
[data-btn-convert][style*="display:none"],
[data-btn-convert].is-hidden,
.btn-convert-main[style*="display: none"],
.btn-convert-main[style*="display:none"],
.btn-convert-main.is-hidden {
  display: none !important;
}

[data-btn-convert],
.btn-convert-main {
  position: relative !important;
  background-color: #1e293b !important;
  color: #ffffff !important;
  border: 1px solid #0f172a !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  letter-spacing: 0.04em !important;
  padding: 7px 22px !important;
  border-radius: 6px !important;
  display: inline-flex;
  align-items: center !important;
  justify-content: center !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15) !important;
  cursor: pointer !important;
  transition: all 0.15s ease !important;
}

[data-btn-convert]:hover,
.btn-convert-main:hover {
  background-color: #0f172a !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 3px 6px rgba(0,0,0,0.2) !important;
}

.btn-convert-badge {
  position: absolute !important;
  top: -7px !important;
  right: -7px !important;
  background-color: #0f172a !important;
  color: #ffffff !important;
  font-size: 10px !important;
  font-weight: 800 !important;
  width: 18px !important;
  height: 18px !important;
  border-radius: 50% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  border: 2px solid #ffffff !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.25) !important;
}

[data-btn-download-all],
.btn-save-all-main {
  background-color: #52a37e !important;
  color: #ffffff !important;
  border: 1px solid #438868 !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  letter-spacing: 0.04em !important;
  padding: 7px 22px !important;
  border-radius: 6px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15) !important;
  cursor: pointer !important;
  transition: all 0.15s ease !important;
}

[data-btn-download-all]:hover,
.btn-save-all-main:hover {
  background-color: #438868 !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 3px 6px rgba(0,0,0,0.2) !important;
}

.batch-summary-banner {
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: atn-spin 0.6s linear infinite;
  vertical-align: middle;
}

.spinner-xs {
  width: 12px;
  height: 12px;
  border-width: 1.5px;
}

@keyframes atn-spin {
  to {
    transform: rotate(360deg);
  }
}

/* Contact Page Layout & Sidebar Cards */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-top: var(--space-6);
}

@media (min-width: 900px) {
  .contact-layout {
    grid-template-columns: 1.6fr 1fr;
    align-items: start;
  }
}

.contact-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.contact-sidebar-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-xs);
}

.contact-sidebar-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.contact-email-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 14px;
  background-color: var(--color-primary-light);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-weight: 700;
  font-size: var(--font-size-sm);
  text-decoration: none;
  margin-top: var(--space-2);
  word-break: break-all;
  transition: all var(--transition-fast);
}

.contact-email-badge:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
  text-decoration: none;
}

.contact-social-pills {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.contact-social-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px 14px;
  background-color: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-main);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.contact-social-pill:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  text-decoration: none;
  transform: translateX(3px);
}

.contact-social-pill svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  fill: currentColor;
}

/* Blog Cards & Article Layout */
.blog-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-hover);
}

.blog-card-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.blog-card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-main);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-3);
}

.blog-card-title a {
  color: inherit;
  text-decoration: none;
}

.blog-card-title a:hover {
  color: var(--color-primary);
}

.blog-card-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-6);
  flex-grow: 1;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ============================================================
   Scroll to Top Floating Button
   ============================================================ */
.scroll-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-full, 9999px);
  background-color: var(--color-primary, #2563EB);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35), 0 2px 6px rgba(15, 23, 42, 0.12);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(16px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease, background-color 0.15s ease, box-shadow 0.15s ease;
  z-index: 95;
}

.scroll-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.scroll-to-top:hover {
  background-color: var(--color-primary-hover, #1D4ED8);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45), 0 3px 8px rgba(15, 23, 42, 0.15);
  transform: translateY(-3px);
}

.scroll-to-top:active {
  transform: translateY(0) scale(0.95);
}

.scroll-to-top:focus-visible {
  outline: 3px solid var(--color-primary-border, #93C5FD);
  outline-offset: 3px;
}

.scroll-to-top svg {
  width: 20px;
  height: 20px;
  stroke: #FFFFFF;
  transition: transform 0.15s ease;
}

.scroll-to-top:hover svg {
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .scroll-to-top {
    bottom: 20px;
    right: 18px;
    width: 44px;
    height: 44px;
  }
}