/* Project-specific styles for Unix Timestamp Converter */
/* Uses base design system variables from style.css */

/* Current Timestamp Display */
.current-timestamp-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.current-timestamp-display {
  font-size: 3rem;
  font-weight: 700;
  color: var(--link);
  font-family: 'Courier New', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  margin: 0;
  cursor: pointer;
  user-select: none;
  transition: all 0.2s ease;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-small);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
}

.current-timestamp-display:hover {
  border-color: var(--link);
  transform: scale(1.02);
}

.current-timestamp-display:active {
  transform: scale(0.98);
}

/* Info Grid - using Skeleton columns instead */
.info-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-small);
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
}

.info-item:hover {
  border-color: var(--link);
}

.info-item small {
  color: var(--muted-text);
  font-size: 0.9em;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
  display: block;
  margin-bottom: 0.5rem;
}

.info-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-color);
  font-family: 'Courier New', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  margin-bottom: 1rem;
}

/* Conversion Results */
.conversion-result {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-small);
  padding: 1.5rem;
  margin-top: 1rem;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
  gap: 1rem;
}

.result-item:last-child {
  border-bottom: none;
}

.result-item strong {
  color: var(--heading-color);
  font-weight: 600;
  flex-shrink: 0;
}

.result-item span {
  color: var(--text-color);
  flex: 1;
  text-align: right;
  font-family: 'Courier New', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  word-break: break-word;
}

.selectable {
  user-select: all;
  cursor: text;
}

/* Discord Timestamps */
.discord-header-toggle {
  width: 100%;
  background: none;
  border: none;
  padding: 0;
  text-align: left;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 1rem;
}

.discord-header-toggle h4 {
  color: var(--heading-color);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0;
}

.discord-chevron {
  transition: transform 0.3s ease;
  opacity: 0.7;
}

.discord-header-toggle[aria-expanded='false'] .discord-chevron {
  transform: rotate(-90deg);
}

.discord-format-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.discord-format-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-small);
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.discord-format-item:hover {
  border-color: var(--link);
}

.discord-format-label {
  margin-bottom: 1rem;
}

.discord-format-label strong {
  color: var(--heading-color);
  display: block;
  font-weight: 600;
}

.discord-format-label .text-muted {
  color: var(--muted-text);
  font-size: 0.9em;
}

.discord-format-value {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.discord-format-value code {
  flex: 1;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 0.75rem;
  border-radius: var(--radius-small);
  word-break: break-all;
  font-family: 'Courier New', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
}

.discord-preview {
  color: var(--muted-text);
  font-size: 0.9em;
  font-style: italic;
}

/* Button sizes */
.button-sm {
  padding: 0.5rem 1rem;
  font-size: 0.9em;
}

.button:disabled,
button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.copy-btn.copied {
  background: rgba(102, 187, 106, 0.1) !important;
  border-color: #66bb6a !important;
  color: #66bb6a !important;
}

body.theme-light .copy-btn.copied {
  background: rgba(40, 167, 69, 0.1) !important;
  border-color: #28a745 !important;
  color: #28a745 !important;
}

/* Responsive Design */
@media (max-width: 768px) {
  .current-timestamp-display {
    font-size: 2rem;
  }

  .discord-format-grid {
    grid-template-columns: 1fr;
  }

  .result-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .result-item span {
    text-align: left;
  }
}

/* ============================================
   DevToolBox Navigation Styles
   ============================================ */

.tools-nav {
  background: var(--card-bg);
  border-bottom: 2px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--link);
  text-decoration: none;
  padding: 1rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.2s ease;
}

.nav-logo:hover {
  color: var(--link-hover);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  justify-content: center;
}

.nav-dropdown {
  position: relative;
}

.nav-link {
  background: none;
  border: none;
  color: var(--text-color);
  padding: 1rem 1.5rem;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--link);
  background: var(--input-bg);
}

.nav-link[aria-expanded='true'] {
  color: var(--link);
}

.nav-link[aria-expanded='true']::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--link);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% - 3px);
  left: 0;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-small);
  min-width: 220px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  z-index: 1001;
  max-height: 80vh;
  overflow-y: auto;
  padding: 0.5rem 0;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--text-color);
  text-decoration: none;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

.dropdown-item:hover {
  background: var(--input-bg);
  color: var(--link);
  border-left-color: var(--link);
}

.dropdown-item.active {
  background: var(--input-bg);
  color: var(--link);
  border-left-color: var(--link);
  font-weight: 600;
}

.dropdown-submenu {
  padding: 0.5rem 0;
  border-top: 1px solid var(--border-color);
}

.dropdown-submenu:first-child {
  border-top: none;
}

.submenu-label {
  display: block;
  padding: 0.5rem 1.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted-text);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* Homepage Styles */
.lead {
  font-size: 1.25rem;
  color: var(--muted-text);
  margin-bottom: 2rem;
}

.search-section {
  margin: 2rem 0;
  position: relative;
}

.search-section .search-icon {
  position: absolute;
  left: 1rem;
  top: 1.1rem;
  color: var(--muted-text);
  font-size: 1.5rem;
  pointer-events: none;
  z-index: 1;
}

.search-section .search-clear {
  position: absolute;
  top: 1.1rem;
  color: var(--muted-text);
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 1;
  transition:
    color 0.2s ease,
    background 0.2s ease;
  padding: 0.3rem;
  background: transparent;
  border-radius: 50%;
  display: none;
}

.search-section .search-clear:hover {
  color: var(--text-color);
  background: rgba(255, 255, 255, 0.1);
}

body.theme-light .search-section .search-clear:hover {
  background: rgba(0, 0, 0, 0.05);
}

#toolSearch {
  padding: 1rem;
  padding-left: 3rem !important;
  padding-right: 2.2rem !important;
  font-size: 1rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-small);
}

#toolSearch:focus {
  outline: none;
  border-color: var(--link);
}

.search-results {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  right: 0;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  max-height: 400px;
  overflow-y: auto;
  display: none;
  z-index: 1000;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

body.theme-light .search-results {
  background: white;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  border: 1px solid #e0e0e0;
}

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

.search-result-item {
  padding: 0.85rem 1.15rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  cursor: pointer;
  transition: all 0.2s ease;
}

body.theme-light .search-result-item {
  border-bottom: 1px solid #f0f0f0;
}

.search-result-item:hover {
  background: rgba(255, 255, 255, 0.05);
  padding-left: 1.35rem;
}

body.theme-light .search-result-item:hover {
  background: #f8f9fa;
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--heading-color);
  font-size: 0.95rem;
}

body.theme-light .search-result-item strong {
  color: #1a1a1a;
}

.search-result-item div {
  font-size: 0.85rem;
  opacity: 0.8;
}

body.theme-light .search-result-item div {
  color: #666;
}

/* Categories Container */
.categories-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Category Box - Lighter, more like yeahpdf.com */
.category-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}

body.theme-light .category-box {
  background: #f8f9fa;
  border: 1px solid #e0e0e0;
}

.category-box:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
}

body.theme-light .category-box:hover {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  border-color: #d0d0d0;
}

.category-box-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  user-select: none;
  background: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.2s ease;
}

body.theme-light .category-box-header {
  border-bottom: 1px solid #e8e8e8;
}

.category-box-header:hover {
  background: rgba(255, 255, 255, 0.03);
}

body.theme-light .category-box-header:hover {
  background: rgba(0, 0, 0, 0.02);
}

.category-box-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
}

.category-box-title i {
  font-size: 1.4rem;
  color: #8ab4f8;
  line-height: 1;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}

body.theme-light .category-box-title i {
  color: #5b9bd5;
}

.category-box-title h2 {
  margin: 0;
  padding: 0;
  font-size: 1.4rem;
  font-weight: 600;
  color: #e8eaed;
  line-height: 1.5rem;
  letter-spacing: 0.02em;
  display: inline-block;
  vertical-align: middle;
}

body.theme-light .category-box-title h2 {
  color: #2c3e50;
}

.count-badge {
  background: rgba(91, 155, 213, 0.5);
  color: #ffffff;
  padding: 0.4rem 0.8rem;
  border-radius: 14px;
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.5rem;
  border: 1px solid rgba(91, 155, 213, 0.6);
  display: inline-block;
  vertical-align: middle;
}

body.theme-light .count-badge {
  background: #1976d2;
  color: #ffffff;
  border: none;
}

.toggle-icon {
  color: var(--muted-text);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 1rem;
  opacity: 0.7;
}

.category-box:not(.expanded) .toggle-icon {
  transform: rotate(180deg);
}

.category-box {
  transition: all 0.3s ease;
}

.category-box-content {
  padding: 1.5rem;
  max-height: 0;
  overflow: hidden;
  background: transparent;
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-box.expanded .category-box-content {
  max-height: 5000px;
  opacity: 1;
  padding: 1.5rem;
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Tool Cards Grid - Like yeahpdf.com */
.tool-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.tool-card-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 1.5rem 1.25rem;
  text-align: center;
  text-decoration: none;
  color: var(--text-color);
  transition: all 0.3s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 0.75rem;
  overflow: visible;
}

body.theme-light .tool-card-item {
  background: white;
  border: 1px solid #e0e0e0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
}

.tool-card-item:hover {
  transform: translateY(-2px);
  box-shadow:
    0 4px 12px rgba(0, 0, 0, 0.1),
    0 0 0 1px var(--link);
}

body.theme-light .tool-card-item:hover {
  box-shadow:
    0 4px 12px rgba(0, 0, 0, 0.15),
    0 0 0 1px #5b9bd5;
}

.tool-card-item .tool-icon-large {
  font-size: 3rem;
  color: var(--link);
  margin-bottom: 0;
  opacity: 0.95;
  height: 3rem;
  width: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

body.theme-light .tool-card-item .tool-icon-large {
  opacity: 1;
  color: #5b9bd5;
}

.tool-card-item .tool-title {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--heading-color);
  line-height: 1.5;
  margin: 0;
  text-align: center;
  letter-spacing: 0.02em;
}

body.theme-light .tool-card-item .tool-title {
  color: #1e293b;
  font-weight: 600;
}

.tool-card-item .tool-description {
  font-size: 0.9rem;
  color: var(--muted-text);
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  opacity: 1;
  letter-spacing: 0.01em;
}

body.theme-light .tool-card-item .tool-description {
  color: #64748b;
  opacity: 1;
}

/* Breadcrumb Navigation */
/* Tool Navigation */
.tool-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.tool-nav .button {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.25rem 2.25rem;
  font-size: 1.35rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tool-nav .button i {
  font-size: 1.5rem;
}

.tool-nav .button-reset-tool {
  background: transparent;
  border: 2px solid var(--border-color);
  color: var(--text-color);
  position: relative;
  overflow: hidden;
}

.tool-nav .button-reset-tool:hover {
  border-color: var(--link);
  color: var(--link);
  background: rgba(91, 155, 213, 0.1);
}

body.theme-light .tool-nav .button-reset-tool {
  border-color: #d0d0d0;
  color: #333;
}

body.theme-light .tool-nav .button-reset-tool:hover {
  border-color: #1976d2;
  color: #1976d2;
  background: rgba(25, 118, 210, 0.05);
}

/* Loading Overlay for Reset Tool */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}

body.theme-light .loading-overlay {
  background: rgba(255, 255, 255, 0.9);
}

.loading-overlay.show {
  opacity: 1;
  visibility: visible;
}

.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.loading-icon {
  font-size: 5rem;
  color: var(--link);
  animation: spin 0.8s linear infinite;
}

.loading-text {
  color: #ffffff;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

body.theme-light .loading-text {
  color: #333333;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Reset loading overlay */
.reset-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}

.reset-overlay.active {
  opacity: 1;
  visibility: visible;
}

body.theme-light .reset-overlay {
  background: rgba(255, 255, 255, 0.9);
}

.reset-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.reset-spinner i {
  font-size: 4rem;
  color: #8ab4f8;
  animation: resetSpin 0.8s ease-in-out infinite;
}

body.theme-light .reset-spinner i {
  color: #1976d2;
}

.reset-spinner-text {
  color: #ffffff;
  font-size: 1.2rem;
  font-weight: 600;
}

body.theme-light .reset-spinner-text {
  color: #2c3e50;
}

/* Reset button spinning animation */
@keyframes resetSpin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.tool-nav .button-reset-tool.resetting {
  pointer-events: none;
}

/* Back Button */
.button-back {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 0.5rem 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: var(--radius-small);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.button-back:hover {
  border-color: var(--link);
  color: var(--link);
  background: var(--input-bg);
  transform: translateX(-2px);
}

.button-back:active {
  transform: translateX(0);
}

/* Tool Content Styles */
.tool-content {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tool-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tool-header {
  margin-bottom: 1.5rem;
}

.tool-header h1 {
  margin-bottom: 0.5rem;
  margin-top: 0.5rem;
}

.tool-header p {
  color: var(--muted-text);
  font-size: 1.05rem;
  margin: 0;
}

.tool-section {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-small);
  padding: 2rem;
  margin-bottom: 2rem;
}

.tool-input-group {
  margin-bottom: 1.5rem;
}

.tool-input-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--heading-color);
}

.tool-input-group input,
.tool-input-group textarea,
.tool-input-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-small);
  font-size: 1rem;
  font-family: inherit;
  background: var(--input-bg);
  color: var(--text-color);
}

.tool-input-group textarea {
  min-height: 200px;
  font-family: 'Courier New', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  resize: vertical;
}

.tool-actions {
  display: flex;
  gap: 1rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.tool-result {
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-small);
  position: relative;
}

.tool-result pre {
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
  font-family: 'Courier New', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  white-space: pre-wrap;
  word-wrap: break-word;
  max-height: 400px;
  overflow-y: auto;
}

.tool-info {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--border-color);
}

.tool-info h2 {
  margin-bottom: 1rem;
}

.tool-info h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

/* RGB to HEX Enhanced Layout */
.color-converter-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.color-input-row {
  margin-bottom: 1.5rem;
}

.color-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.color-channel {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: var(--link);
  color: white;
  border-radius: 6px;
  font-weight: 700;
  font-size: 1.1rem;
}

.color-range {
  color: var(--text-color);
  font-size: 0.95rem;
}

.slider-number-group {
  display: grid;
  grid-template-columns: 1fr 82px;
  gap: 1rem;
  align-items: center;
}

.color-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  outline: none;
  -webkit-appearance: none;
}

#rgbR {
  background: linear-gradient(to right, #000, #ff0000);
}

#rgbG {
  background: linear-gradient(to right, #000, #00ff00);
}

#rgbB {
  background: linear-gradient(to right, #000, #0000ff);
}

.color-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: white;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  border: 2px solid #333;
}

.color-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: white;
  cursor: pointer;
  border: 2px solid #333;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.color-number-input {
  width: 100%;
  padding: 0.5rem;
  text-align: center;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-small);
  background: var(--input-bg);
  color: var(--text-color);
}

.color-preview-section {
  display: flex;
  align-items: center;
  justify-content: center;
}

.color-preview-large {
  width: 100%;
  height: 100px;
  border: 3px solid var(--border-color);
  border-radius: var(--radius-small);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.color-preview-clickable {
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.color-preview-clickable:hover {
  border-color: var(--link);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.color-picker-hidden {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}

.color-picker-icon {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.7);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.color-preview-clickable:hover .color-picker-icon {
  opacity: 1;
}

.color-results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.color-result-card {
  background: rgba(255, 255, 255, 0.04);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-small);
  padding: 1.25rem;
}

body.theme-light .color-result-card {
  background: #f8f9fa;
}

.result-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--muted-text);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.result-value-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.result-input {
  flex: 1;
  padding: 0.75rem;
  font-family: 'Courier New', monospace;
  font-size: 1.1rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-small);
  background: var(--card-bg);
  color: var(--text-color);
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1.65;
}

.result-input:hover {
  border-color: var(--link);
  background: var(--input-bg);
}

.result-value-row .button-sm {
  padding: 0.825rem 1rem !important;
  line-height: 1 !important;
  margin: 0 !important;
  position: relative;
  top: -5px;
}

.quick-colors {
  margin-top: 2rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-small);
}

body.theme-light .quick-colors {
  background: #f8f9fa;
}

.quick-colors-label {
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.quick-colors-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0.75rem;
}

.quick-color-btn {
  width: 100%;
  height: 50px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-small);
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

body.theme-light .quick-color-btn {
  border-color: rgba(0, 0, 0, 0.2);
}

.quick-color-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
  border-width: 3px;
  border-color: var(--link);
}

body.theme-light .quick-color-btn:hover {
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

/* HEX Input Section (for HEX to RGB tool) */
.hex-input-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.hex-input-group {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: 0.75rem;
}

.hex-input {
  flex: 1;
  padding: 1rem 1.25rem;
  font-size: 1.5rem;
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--input-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-small);
  color: var(--text-color);
  transition: border-color 0.2s ease;
}

.hex-input:focus {
  outline: none;
  border-color: var(--link);
}

.hex-input::placeholder {
  color: var(--text-muted);
  opacity: 0.5;
}

.paste-btn {
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border-color);
  flex-shrink: 0;
  position: relative;
  top: -5px;
}

.input-hint {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Input with clear button */
.input-with-clear {
  position: relative;
}

.input-clear {
  position: absolute;
  top: 1.1rem;
  right: 1rem;
  color: var(--muted-text);
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 1;
  transition:
    color 0.2s ease,
    background 0.2s ease;
  padding: 0.3rem;
  background: transparent;
  border-radius: 50%;
  display: none !important;
}

.input-clear.visible {
  display: block !important;
}

.input-clear:hover {
  color: var(--text-color);
  background: rgba(255, 255, 255, 0.1);
}

body.theme-light .input-clear:hover {
  background: rgba(0, 0, 0, 0.05);
}

/* RGB Quick Input Section */
.rgb-quick-input-section {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.rgb-quick-input-section .hex-input {
  font-size: 1.1rem;
  text-transform: none;
  letter-spacing: normal;
}

.rgb-quick-input-section .hex-input::placeholder {
  font-size: 0.95rem;
}

/* Color Explorer Styles */
.color-explorer-input {
  margin-bottom: 2rem;
}

.color-explorer-input .hex-input {
  text-transform: none;
  letter-spacing: normal;
}

.color-results-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 968px) {
  .color-results-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .color-results-4 {
    grid-template-columns: 1fr;
  }
}

.color-results-5 {
  grid-template-columns: repeat(5, 1fr);
}

.color-results-5 .result-input {
  min-width: 0;
  width: 100%;
  font-size: 0.85rem;
}

@media (max-width: 968px) {
  .color-results-5 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 600px) {
  .color-results-5 {
    grid-template-columns: 1fr;
  }

  .color-results-5 .result-input {
    font-size: 0.9rem;
  }
}

/* Color Variations */
.color-variations-section {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.color-variations-grid {
  display: grid;
  grid-template-columns: repeat(11, 1fr);
  gap: 0.5rem;
  margin-top: 1rem;
}

@media (max-width: 968px) {
  .color-variations-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (max-width: 600px) {
  .color-variations-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.color-variation-item {
  cursor: pointer;
  text-align: center;
  transition: transform 0.2s ease;
}

.color-variation-item:hover {
  transform: scale(1.1);
}

.variation-swatch {
  width: 100%;
  height: 50px;
  border-radius: var(--radius-small);
  border: 2px solid var(--border-color);
  margin-bottom: 0.5rem;
}

.variation-hex {
  font-size: 0.95rem;
  font-weight: 700;
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  color: #ffffff;
  letter-spacing: 0.02em;
}

body.theme-light .variation-hex {
  color: #1a1a2e;
}

/* Color Harmony */
.color-harmony-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.75rem;
  margin-top: 1rem;
}

@media (max-width: 968px) {
  .color-harmony-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 600px) {
  .color-harmony-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.color-harmony-item {
  cursor: pointer;
  text-align: center;
  padding: 0.75rem;
  background: var(--input-bg);
  border-radius: var(--radius-small);
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
}

.color-harmony-item:hover {
  border-color: var(--link);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.harmony-swatch {
  width: 100%;
  height: 60px;
  border-radius: var(--radius-small);
  border: 2px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 0.75rem;
}

.harmony-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.35rem;
}

body.theme-light .harmony-label {
  color: #1a1a2e;
}

.harmony-hex {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  color: #5b9bd5;
  letter-spacing: 0.02em;
}

body.theme-light .harmony-hex {
  color: #1976d2;
}

/* Color Picker Specific Styles */
.color-picker-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.color-picker-overlay i {
  font-size: 2rem;
}

.color-picker-overlay.hidden {
  opacity: 0;
}

/* Color Palette Section */
.color-palette-section {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.palette-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.saved-colors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}

.saved-color-item {
  position: relative;
  background: var(--input-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-small);
  padding: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.saved-color-item:hover {
  border-color: var(--link);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.saved-color-swatch {
  width: 100%;
  height: 60px;
  border-radius: var(--radius-small);
  border: 2px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 0.5rem;
}

.saved-color-hex {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  color: var(--text-color);
  text-align: center;
  margin-bottom: 0.5rem;
}

.saved-color-delete {
  display: block;
  width: 100%;
  background: var(--input-bg);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-small);
  padding: 0.4rem;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.75rem;
  text-align: center;
}

.saved-color-delete:hover {
  background: #f44336;
  color: white;
  border-color: #f44336;
}

.empty-palette-message {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 2rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  background: var(--input-bg);
  border-radius: var(--radius-small);
  border: 2px dashed var(--border-color);
}

@media (max-width: 600px) {
  .saved-colors-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }
}

/* Alert Boxes (from startup_cms) */
.alert {
  padding: 15px 20px;
  margin: 15px 0;
  border: 1px solid;
  border-radius: 8px;
  background: transparent;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert i {
  flex-shrink: 0;
}

.alert-info {
  border-color: #4a9eff;
  color: #4a9eff;
  background: rgba(74, 158, 255, 0.1);
}

.alert-info i,
.alert-info .fas,
.alert-info .fa,
.alert-info .fa-info-circle {
  color: #4a9eff !important;
}

.alert-success {
  border-color: #66bb6a;
  color: #66bb6a;
  background: rgba(102, 187, 106, 0.1);
}

.alert-warning {
  border-color: #ffa726;
  color: #ffa726;
  background: rgba(255, 167, 38, 0.1);
}

.alert-error {
  border-color: #ef5350;
  color: #ef5350;
  background: rgba(239, 83, 80, 0.1);
}

/* Light theme tuned tints */
body.theme-light .alert-info {
  border-color: #0066cc;
  color: #0066cc;
  background: rgba(0, 102, 204, 0.1);
}

body.theme-light .alert-info i,
body.theme-light .alert-info .fas,
body.theme-light .alert-info .fa,
body.theme-light .alert-info .fa-info-circle {
  color: #0066cc !important;
}

body.theme-light .alert-success {
  border-color: #28a745;
  color: #28a745;
  background: rgba(40, 167, 69, 0.1);
}

body.theme-light .alert-warning {
  border-color: #ff9800;
  color: #ff9800;
  background: rgba(255, 152, 0, 0.1);
}

body.theme-light .alert-error {
  border-color: #dc3545;
  color: #dc3545;
  background: rgba(220, 53, 69, 0.1);
}

/* Code Textarea Styles */
.code-textarea {
  font-family: 'Courier New', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  font-size: 1.1rem;
  line-height: 1.8;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-small);
  padding: 1rem;
  width: 100%;
  resize: vertical;
  transition: all 0.3s ease;
  letter-spacing: 0.02em;
}

.code-textarea:focus {
  outline: none;
  border-color: var(--link);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.code-textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.85;
  font-size: 1rem;
  letter-spacing: 0.02em;
}

/* Tool Input Card Styles */
.tool-input-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-medium);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.tool-input-card .card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.tool-input-card .card-header h3 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-color);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  letter-spacing: 0.02em;
}

.tool-input-card .card-header h3 i {
  color: var(--link);
  font-size: 1.2rem;
}

.tool-input-card .card-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tool-input-card .button-sm {
  padding: 0.7rem 1.3rem;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Color Adjust Section */
.color-adjust-section {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.adjust-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.adjust-header i {
  color: var(--link);
}

@media (max-width: 968px) {
  .color-converter-layout {
    grid-template-columns: 1fr;
  }

  .color-results {
    grid-template-columns: 1fr;
  }

  .quick-colors-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.color-preview {
  width: 100px;
  height: 100px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-small);
  margin: 1rem 0;
}

/* Dropzone Upload Area (from yeahpdf.com) */
.dropzone {
  border: 2px dashed var(--border-color);
  border-radius: 1rem;
  padding: 3rem 2rem;
  text-align: center;
  background: var(--card-bg);
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.dropzone::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(91, 155, 213, 0.1),
    transparent
  );
  transition: left 0.5s ease;
}

body.theme-light .dropzone::before {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(25, 118, 210, 0.1),
    transparent
  );
}

.dropzone:hover {
  border-color: var(--link);
  background: rgba(91, 155, 213, 0.02);
}

body.theme-light .dropzone:hover {
  background: rgba(25, 118, 210, 0.02);
}

.dropzone:hover::before {
  left: 100%;
}

.dropzone.drag-over {
  border-color: var(--link);
  background: rgba(91, 155, 213, 0.1);
  transform: scale(1.02);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

body.theme-light .dropzone.drag-over {
  background: rgba(25, 118, 210, 0.1);
}

.dropzone.drag-over::before {
  left: 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

.dropzone-icon {
  font-size: 4rem;
  color: var(--link);
  margin-bottom: 1rem;
  animation: bounce 2s infinite;
  transition: all 0.6s ease;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.dropzone.drag-over .dropzone-icon {
  animation: pulse 0.5s infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

.dropzone-icon.uploading {
  animation: uploadBounce 0.8s ease-in-out infinite;
}

.dropzone-icon.uploaded {
  animation: uploadSuccess 0.5s ease-out;
  color: #4caf50;
}

@keyframes uploadBounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes uploadSuccess {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.3) rotate(10deg);
  }
  100% {
    transform: scale(1) rotate(0deg);
  }
}

.dropzone-text {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 0.5rem;
}

.dropzone-hint {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.dropzone-file-input {
  display: none;
}

@media (max-width: 768px) {
  .dropzone {
    padding: 2rem 1rem;
  }

  .dropzone-icon {
    font-size: 3rem;
  }
}

.image-preview-card {
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}

.image-preview {
  max-width: 100%;
  max-height: 400px;
  margin: 0 auto 1rem;
  border-radius: var(--radius-small);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  display: block;
}

.image-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.image-info-item {
  background: var(--input-bg);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-small);
  font-size: 0.9rem;
  color: var(--text-color);
}

.image-info-item i {
  color: var(--link);
  margin-right: 0.5rem;
}

.result-textarea {
  width: 100%;
  min-height: 120px;
  max-height: 250px;
  padding: 0.75rem;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-small);
  color: var(--text-color);
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-size: 0.85rem;
  resize: vertical;
  line-height: 1.5;
}

.result-textarea:focus {
  outline: none;
  border-color: var(--link);
}

/* Responsive Design */
@media (max-width: 968px) {
  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    max-height: calc(100vh - 100%);
    overflow-y: auto;
    display: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-dropdown {
    width: 100%;
  }

  .nav-link {
    width: 100%;
    justify-content: space-between;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-left: 3px solid var(--border-color);
    margin-left: 1rem;
    margin-top: 0.5rem;
    display: none;
  }

  .nav-dropdown.active .dropdown-menu {
    display: block;
  }

  .nav-toggle {
    display: block;
  }

  .tool-cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(165px, 1fr));
  }

  .categories-container {
    gap: 1.25rem;
  }
}

@media (max-width: 768px) {
  .tool-actions {
    flex-direction: column;
  }

  .tool-actions .button {
    width: 100%;
  }

  .category-box-header {
    padding: 1rem 1.15rem;
  }

  .category-box-title h2 {
    font-size: 1.1rem;
  }

  .category-box-title i {
    font-size: 1.2rem;
  }

  .category-box.expanded .category-box-content {
    padding: 1rem;
  }

  .tool-cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(145px, 1fr));
    gap: 0.85rem;
  }

  .tool-card-item {
    padding: 1.35rem 1rem;
  }

  .tool-card-item .tool-icon-large {
    font-size: 2.75rem;
    height: 2.75rem;
    width: 2.75rem;
  }

  .tool-card-item .tool-title {
    font-size: 0.95rem;
    letter-spacing: 0.015em;
  }

  .tool-card-item .tool-description {
    font-size: 0.85rem;
    letter-spacing: 0.01em;
  }

  .tool-nav {
    gap: 0.85rem;
  }

  .tool-nav .button {
    font-size: 1.05rem;
    padding: 0.95rem 1.5rem;
  }

  .tool-nav .button i {
    font-size: 1.15rem;
  }
}

/* Tab List Styles */
.tab-list {
  display: flex;
  gap: 3.125rem; /* 50px */
  margin: 0 auto 2.5rem auto;
  position: relative;
  padding-bottom: 0.75rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  justify-content: center;
  max-width: fit-content;
}

.tab-list::-webkit-scrollbar {
  display: none;
}

.tab {
  position: relative;
  padding: 1rem 0;
  margin: 0;
  border: none;
  background: none;
  text-decoration: none;
  cursor: pointer;
  font-weight: 500;
  font-size: 1.375rem;
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  white-space: nowrap;
  transition: color 200ms ease-in-out;
  z-index: 1;
  -webkit-appearance: none;
  appearance: none;
  box-shadow: none;
  outline: none;
  color: #1e293b;
}

.tab:focus {
  outline: 2px solid #6366f1;
  outline-offset: 4px;
  border-radius: 4px;
}

.tab i {
  font-size: 32px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 200ms ease-in-out;
  color: #1e293b;
}

.tab span {
  transition: color 200ms ease-in-out;
}

.tab:hover:not(.active) {
  color: #0f172a;
}

.tab:hover:not(.active) i {
  color: #0f172a;
}

.tab.active {
  color: #4f46e5;
  font-weight: 500;
}

.tab.active i {
  color: #4f46e5;
}

.tab.active span {
  color: #4f46e5;
}

.tab-indicator {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  border-radius: 1px;
  transition:
    left 300ms cubic-bezier(0.4, 0, 0.2, 1),
    width 300ms cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 2;
  background: #4f46e5;
}

body.theme-dark .tab {
  color: #94a3b8;
}

body.theme-dark .tab i {
  color: #94a3b8;
}

body.theme-dark .tab:hover:not(.active) {
  color: #cbd5e1;
}

body.theme-dark .tab:hover:not(.active) i {
  color: #cbd5e1;
}

body.theme-dark .tab.active {
  color: #a5b4fc;
  font-weight: 500;
}

body.theme-dark .tab.active i {
  color: #a5b4fc;
}

body.theme-dark .tab.active span {
  color: #a5b4fc;
}

body.theme-dark .tab-indicator {
  background: #a5b4fc;
}

.tab-panels {
  padding: 0 0 4rem 0;
}

.tab-panels .tab-panel {
  display: none;
}

.tab-panels .tab-panel.active {
  display: block;
}

/* Mobile current tab label */
.mobile-tab-label {
  display: none;
}

@media (max-width: 768px) {
  .tab-list {
    gap: 2rem;
    margin: 0.75rem auto 2rem auto;
    padding-bottom: 0.625rem;
  }

  .tab {
    font-size: 1.125rem;
    padding: 0.875rem 0;
  }

  .tab span {
    display: none;
  }

  .tab i {
    font-size: 28px;
    width: 28px;
    height: 28px;
  }

  .mobile-tab-label {
    display: block;
    text-align: center;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--link);
    margin-bottom: 0.5rem;
    padding: 0.5rem 1rem;
  }
}

@media (max-width: 480px) {
  .tab-list {
    gap: 1.5rem;
  }

  .tab i {
    font-size: 26px;
    width: 26px;
    height: 26px;
  }

  .mobile-tab-label {
    font-size: 1.3rem;
  }
}

.search-field.home-search-field {
  width: min(100%, 760px);
  max-width: 760px;
  margin: 0 auto 2.5rem auto;
}

.tool-search-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted-text);
}

.tool-search-empty i {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
  color: var(--muted-text);
}

.tool-search-empty p {
  font-size: 1.25rem;
  margin: 0;
  color: var(--muted-text);
}

/* Tool Grid Styles */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
  max-width: 100%;
  justify-content: start;
}

.tool-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-large);
  padding: 1.75rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  display: block;
  color: inherit;
  position: relative;
  width: 100%;
  margin: 0 auto;
}

.tool-card:hover {
  border-color: #667eea;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(102, 126, 234, 0.15);
  text-decoration: none;
  color: inherit;
}

.tool-card.last-used {
  border-color: #667eea;
  border-width: 2px;
  background: rgba(102, 126, 234, 0.08);
}

.tool-card.last-used::after {
  content: '✓';
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: bold;
}

.tool-card .tool-icon {
  font-size: 3rem;
  margin-bottom: 0.75rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: block;
  color: var(--link);
}

/* Color Tools - Purple/Blue shades */
.tool-card[data-tool-category='color'] .tool-icon,
.tool-card[data-tool*='color-tools'] .tool-icon {
  color: #8b5cf6; /* Purple */
}

/* Image Tools - Cyan/Teal shades */
.tool-card[data-tool-category='image'] .tool-icon,
.tool-card[data-tool*='image-tools'] .tool-icon {
  color: #06b6d4; /* Cyan */
}

/* Code Tools - Green shades */
.tool-card[data-tool-category='code'] .tool-icon,
.tool-card[data-tool*='code-tools'] .tool-icon {
  color: #10b981; /* Green */
}

/* File Converters - Orange/Amber shades */
.tool-card[data-tool-category='file'] .tool-icon,
.tool-card[data-tool*='file-converters'] .tool-icon {
  color: #f59e0b; /* Orange */
}

/* Number Converters - Indigo/Blue shades */
.tool-card[data-tool-category='number'] .tool-icon,
.tool-card[data-tool*='number-converters'] .tool-icon {
  color: #6366f1; /* Indigo */
}

/* Web Dev Tools - Pink/Purple shades */
.tool-card[data-tool-category='web'] .tool-icon,
.tool-card[data-tool*='web-dev-tools'] .tool-icon {
  color: #ec4899; /* Pink */
}

/* All Tools tab - use default link color */
.tool-card[data-tool-category='all'] .tool-icon {
  color: var(--link);
}

.tool-card:hover .tool-icon {
  transform: scale(1.05);
  opacity: 0.9;
}

.tool-card h3 {
  color: var(--heading-color);
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 1.6rem;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.tool-card p {
  color: var(--muted-text);
  font-size: 1.35rem;
  margin: 0;
  line-height: 1.6;
  letter-spacing: 0.01em;
}

/* Dark mode tool card adjustments */
body.theme-dark .tool-card:hover {
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

/* Dark mode icon colors - brighter versions */
body.theme-dark .tool-card[data-tool-category='color'] .tool-icon,
body.theme-dark .tool-card[data-tool*='color-tools'] .tool-icon {
  color: #a78bfa; /* Lighter Purple */
}

body.theme-dark .tool-card[data-tool-category='image'] .tool-icon,
body.theme-dark .tool-card[data-tool*='image-tools'] .tool-icon {
  color: #22d3ee; /* Lighter Cyan */
}

body.theme-dark .tool-card[data-tool-category='code'] .tool-icon,
body.theme-dark .tool-card[data-tool*='code-tools'] .tool-icon {
  color: #34d399; /* Lighter Green */
}

body.theme-dark .tool-card[data-tool-category='file'] .tool-icon,
body.theme-dark .tool-card[data-tool*='file-converters'] .tool-icon {
  color: #fbbf24; /* Lighter Orange */
}

body.theme-dark .tool-card[data-tool-category='number'] .tool-icon,
body.theme-dark .tool-card[data-tool*='number-converters'] .tool-icon {
  color: #818cf8; /* Lighter Indigo */
}

body.theme-dark .tool-card[data-tool-category='web'] .tool-icon,
body.theme-dark .tool-card[data-tool*='web-dev-tools'] .tool-icon {
  color: #f472b6; /* Lighter Pink */
}

/* Tools Section Title */
.tools-section {
  text-align: center;
  margin-bottom: 2rem;
}

.tools-section-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.04em;
  background: linear-gradient(
    135deg,
    var(--text-color) 0%,
    var(--link) 60%,
    rgba(139, 92, 246, 0.9) 100%
  );
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
  animation: heroTitleGradientShift 8s ease infinite;
  position: relative;
  padding-bottom: 0.3em;
  overflow: visible;
  display: block;
}

@keyframes heroTitleGradientShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.tools-section-description {
  font-size: 1.35rem;
  color: var(--muted-text);
  margin: 0;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .tool-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
  }

  .tool-card {
    padding: 1.5rem 1.25rem;
  }

  .tool-card h3 {
    font-size: 1.4rem;
  }

  .tool-card p {
    font-size: 1.2rem;
  }

  .tools-section-title {
    font-size: 2rem;
    line-height: 1.2;
  }

  .tools-section-description {
    font-size: 1.1rem;
  }
}