/* ============================================
   BeginThings Design System v1.0
   Shared CSS for uniform design across all pages
   ============================================ */

/* --- CSS Custom Properties (Theme Variables) --- */
:root {
  --bg: var(--bg-dark);
  --text: var(--text-dark);
  --text-muted: var(--text-muted-dark);
  --border: var(--border-dark);
  --cta-bg: var(--cta-bg-dark);
  --shape1-color: var(--shape1-color-dark);
  --shape2-color: var(--shape2-color-dark);
  --field-bg: var(--field-bg-dark);

  --bg-dark: #0A0A0A;
  --text-dark: #f8fafc;
  --text-muted-dark: #a1a1aa;
  --border-dark: #27272a;
  --cta-bg-dark: rgba(255,255,255,0.05);
  --shape1-color-dark: #6366f1;
  --shape2-color-dark: #a855f7;
  --field-bg-dark: #18181b;

  --bg-light: #f8fafc;
  --text-light: #0A0A0A;
  --text-muted-light: #52525b;
  --border-light: #e4e4e7;
  --cta-bg-light: rgba(0,0,0,0.03);
  --shape1-color-light: #818cf8;
  --shape2-color-light: #c084fc;
  --field-bg-light: #ffffff;
}

html[data-theme='dark'] {
  --bg: var(--bg-dark);
  --text: var(--text-dark);
  --text-muted: var(--text-muted-dark);
  --border: var(--border-dark);
  --cta-bg: var(--cta-bg-dark);
  --shape1-color: var(--shape1-color-dark);
  --shape2-color: var(--shape2-color-dark);
  --field-bg: var(--field-bg-dark);
}

html[data-theme='light'] {
  --bg: var(--bg-light);
  --text: var(--text-light);
  --text-muted: var(--text-muted-light);
  --border: var(--border-light);
  --cta-bg: var(--cta-bg-light);
  --shape1-color: var(--shape1-color-light);
  --shape2-color: var(--shape2-color-light);
  --field-bg: var(--field-bg-light);
}

/* --- Base Reset & Body --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

.main-wrapper {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- Subtle Background Shapes --- */
.background-subtle {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.background-subtle::before,
.background-subtle::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.08;
}

.background-subtle::before {
  width: 600px; height: 600px;
  background: var(--shape1-color);
  top: -200px; right: -100px;
}

.background-subtle::after {
  width: 500px; height: 500px;
  background: var(--shape2-color);
  bottom: -150px; left: -100px;
}

/* --- Header --- */
header.main-header {
  position: sticky;
  top: 0;
  z-index: 1020;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.logo-container .logo {
  height: 36px;
  width: auto;
}

.logo-container .brand-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

/* --- Desktop Navigation --- */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.desktop-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
  white-space: nowrap;
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: var(--text);
}

/* --- Mobile Menu Toggle --- */
.mobile-menu-toggle {
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
  display: none;
}

/* --- Sidebar (Mobile) --- */
.sidebar {
  position: fixed;
  top: 0;
  right: -300px;
  width: 280px;
  height: 100vh;
  background: var(--bg);
  border-left: 1px solid var(--border);
  z-index: 1031;
  transition: right 0.3s ease;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.sidebar.open {
  right: 0;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-header .brand-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.close-sidebar-btn {
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.25rem;
  cursor: pointer;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  padding: 12px 0;
  flex: 1;
}

.sidebar-nav a {
  display: block;
  padding: 12px 24px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  color: var(--text);
  background: var(--cta-bg);
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

/* --- Overlay --- */
.overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1030;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.overlay.open {
  opacity: 1;
  visibility: visible;
}

/* --- Theme Switcher --- */
.theme-switcher {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

.theme-toggle {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
}

.theme-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.theme-toggle .slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #3f3f46;
  transition: 0.3s;
  border-radius: 26px;
}

.theme-toggle .slider::before {
  content: '';
  position: absolute;
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: #fff;
  transition: 0.3s;
  border-radius: 50%;
}

.theme-toggle input:checked + .slider {
  background-color: #6366f1;
}

.theme-toggle input:checked + .slider::before {
  transform: translateX(22px);
}

/* --- Page Content --- */
.page-content-section {
  position: relative;
  z-index: 1;
  flex: 1;
  padding: 48px 0 64px;
}

.page-header {
  text-align: center;
  margin-bottom: 40px;
}

.page-headline {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  color: var(--text);
}

.page-subtext {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* --- Tool Container --- */
.tool-container {
  background: var(--cta-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  max-width: 800px;
  margin: 0 auto 40px;
}

/* --- Form Controls --- */
.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
  font-size: 0.95rem;
}

.form-control,
.form-select {
  width: 100%;
  padding: 12px 16px;
  background: var(--field-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 1rem;
  transition: border-color 0.2s;
  outline: none;
}

.form-control:focus,
.form-select:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-control::placeholder {
  color: var(--text-muted);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

/* --- Buttons --- */
.btn-tool {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #6366f1;
  color: #fff;
  border: none;
  border-radius: 99px;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  text-decoration: none;
}

.btn-tool:hover {
  background: #4f46e5;
  transform: translateY(-1px);
  color: #fff;
}

.btn-tool:active {
  transform: translateY(0);
}

.btn-tool-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  text-decoration: none;
}

.btn-tool-secondary:hover {
  background: var(--cta-bg);
  border-color: var(--text-muted);
  color: var(--text);
}

/* --- Results Container --- */
.results-container {
  background: var(--field-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-top: 16px;
  word-break: break-all;
}

/* --- Content Sections (below tool) --- */
.content-section {
  max-width: 800px;
  margin: 0 auto 40px;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}

.content-card {
  background: var(--cta-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
}

/* --- Footer --- */
.footer {
  position: relative;
  z-index: 1;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 12px;
}

.footer-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: var(--text);
}

/* --- Privacy Badge --- */
.bt-privacy-badge {
  margin-top: 16px;
  display: flex;
  justify-content: center;
}

.bt-privacy-badge a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 99px;
  transition: border-color 0.2s, color 0.2s;
}

.bt-privacy-badge a:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

/* --- Responsive Breakpoints --- */
@media (max-width: 991.98px) {
  .desktop-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
}

@media (max-width: 767.98px) {
  .page-headline {
    font-size: 1.75rem;
  }
  .page-subtext {
    font-size: 1rem;
  }
  .tool-container {
    padding: 20px;
    border-radius: 12px;
  }
  .page-content-section {
    padding: 32px 0 48px;
  }
}

@media (max-width: 575.98px) {
  .page-headline {
    font-size: 1.5rem;
  }
  .tool-container {
    padding: 16px;
    margin-left: 8px;
    margin-right: 8px;
  }
  .btn-tool,
  .btn-tool-secondary {
    width: 100%;
    padding: 14px 20px;
  }
}

/* --- Utility Classes --- */
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.text-center { text-align: center; }
.d-flex { display: flex; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }
.flex-wrap { flex-wrap: wrap; }
.justify-content-center { justify-content: center; }
.w-100 { width: 100%; }


/* ============================================
   OVERRIDE SECTION: Ensures design system wins
   over any inline styles from old pages
   ============================================ */

/* Force sidebar to RIGHT side (overrides any left-side inline styles) */
.sidebar {
  position: fixed !important;
  top: 0 !important;
  right: -300px !important;
  left: auto !important;
  width: 280px !important;
  height: 100vh !important;
  background: var(--bg) !important;
  border-left: 1px solid var(--border) !important;
  border-right: none !important;
  z-index: 1031 !important;
  transition: right 0.3s ease !important;
  transform: none !important;
  display: flex !important;
  flex-direction: column !important;
  overflow-y: auto !important;
  padding: 0 !important;
}

.sidebar.open {
  right: 0 !important;
  transform: none !important;
}

.sidebar-header {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding: 16px 20px !important;
  border-bottom: 1px solid var(--border) !important;
  margin-bottom: 0 !important;
}

.sidebar-nav {
  display: flex !important;
  flex-direction: column !important;
  padding: 12px 0 !important;
  flex: 1 !important;
}

.sidebar-nav a {
  display: block !important;
  padding: 12px 24px !important;
  color: var(--text-muted) !important;
  text-decoration: none !important;
  font-size: 1rem !important;
  font-weight: 500 !important;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  color: var(--text) !important;
  background: var(--cta-bg) !important;
}

.sidebar-footer {
  padding: 16px 20px !important;
  border-top: 1px solid var(--border) !important;
  margin-top: auto !important;
}

/* Force overlay */
.overlay {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  background: rgba(0, 0, 0, 0.5) !important;
  z-index: 1030 !important;
  opacity: 0 !important;
  visibility: hidden !important;
  transition: opacity 0.3s ease, visibility 0.3s ease !important;
}

.overlay.open {
  opacity: 1 !important;
  visibility: visible !important;
}

/* Force header */
header.main-header {
  position: sticky !important;
  top: 0 !important;
  z-index: 1020 !important;
  background: var(--bg) !important;
  border-bottom: 1px solid var(--border) !important;
  padding: 16px 0 !important;
}

/* Force background */
.background-subtle {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  z-index: 0 !important;
  pointer-events: none !important;
  overflow: hidden !important;
}

/* Force main wrapper */
.main-wrapper {
  position: relative !important;
  min-height: 100vh !important;
  display: flex !important;
  flex-direction: column !important;
}

/* Force close button styling */
.close-sidebar-btn {
  background: none !important;
  border: none !important;
  color: var(--text) !important;
  font-size: 1.25rem !important;
  cursor: pointer !important;
}

/* Force page content */
.page-content-section {
  position: relative !important;
  z-index: 1 !important;
  flex: 1 !important;
}

/* Force footer */
.footer {
  position: relative !important;
  z-index: 1 !important;
  padding: 32px 0 !important;
  border-top: 1px solid var(--border) !important;
  text-align: center !important;
  margin-top: auto !important;
}

/* Force body base styles */
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif !important;
  background: var(--bg) !important;
  color: var(--text) !important;
  min-height: 100vh !important;
}

/* Remove any old light background overrides */
body, html {
  background-color: var(--bg) !important;
}

/* Hide empty ad containers */
.ad-banner-top:empty,
.ad-banner-middle:empty,
.ad-banner-bottom:empty {
  display: none !important;
}

ins.adsbygoogle[data-ad-status="unfilled"] {
  display: none !important;
}

/* ============================================
   DARK THEME OVERRIDES FOR TOOL-SPECIFIC ELEMENTS
   Forces dark theme on common tool UI patterns
   ============================================ */
html[data-theme='dark'] .panel,
html[data-theme='dark'] .card,
html[data-theme='dark'] .card-body,
html[data-theme='dark'] .container-main,
html[data-theme='dark'] .left-panel,
html[data-theme='dark'] .right-panel,
html[data-theme='dark'] .middle-panel,
html[data-theme='dark'] .settings-panel,
html[data-theme='dark'] .preview-panel,
html[data-theme='dark'] .output-panel,
html[data-theme='dark'] .result-panel,
html[data-theme='dark'] .input-panel,
html[data-theme='dark'] .config-panel,
html[data-theme='dark'] .tool-panel,
html[data-theme='dark'] .main-content,
html[data-theme='dark'] .content-wrapper,
html[data-theme='dark'] .tool-card,
html[data-theme='dark'] .option-card,
html[data-theme='dark'] .feature-card,
html[data-theme='dark'] .info-card,
html[data-theme='dark'] .stat-card,
html[data-theme='dark'] .preview-box,
html[data-theme='dark'] .output-box,
html[data-theme='dark'] .result-box,
html[data-theme='dark'] .form-card,
html[data-theme='dark'] .control-panel,
html[data-theme='dark'] .controls,
html[data-theme='dark'] .toolbar,
html[data-theme='dark'] .options-panel,
html[data-theme='dark'] .export-panel,
html[data-theme='dark'] .download-panel {
  background-color: var(--cta-bg) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}

html[data-theme='dark'] main,
html[data-theme='dark'] main .container,
html[data-theme='dark'] section {
  background-color: transparent !important;
  color: var(--text) !important;
}

/* Form inputs in dark theme */
html[data-theme='dark'] input:not([type=color]):not([type=range]):not([type=checkbox]):not([type=radio]),
html[data-theme='dark'] select,
html[data-theme='dark'] textarea {
  background-color: var(--field-bg) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}

html[data-theme='dark'] input::placeholder,
html[data-theme='dark'] textarea::placeholder {
  color: var(--text-muted) !important;
}

/* Labels and text */
html[data-theme='dark'] label,
html[data-theme='dark'] .form-label,
html[data-theme='dark'] legend {
  color: var(--text) !important;
}

html[data-theme='dark'] h1, html[data-theme='dark'] h2,
html[data-theme='dark'] h3, html[data-theme='dark'] h4,
html[data-theme='dark'] h5, html[data-theme='dark'] h6 {
  color: var(--text) !important;
}

html[data-theme='dark'] p,
html[data-theme='dark'] span:not(.slider):not(.badge),
html[data-theme='dark'] li,
html[data-theme='dark'] td,
html[data-theme='dark'] th,
html[data-theme='dark'] dt,
html[data-theme='dark'] dd {
  color: var(--text) !important;
}

/* Tables */
html[data-theme='dark'] table,
html[data-theme='dark'] th,
html[data-theme='dark'] td {
  border-color: var(--border) !important;
}

html[data-theme='dark'] table thead,
html[data-theme='dark'] table th {
  background-color: var(--field-bg) !important;
}

html[data-theme='dark'] table tbody tr:nth-child(even) {
  background-color: var(--cta-bg) !important;
}

/* Breadcrumb */
html[data-theme='dark'] .breadcrumb,
html[data-theme='dark'] .breadcrumb a,
html[data-theme='dark'] .breadcrumb span {
  color: var(--text-muted) !important;
}

html[data-theme='dark'] .breadcrumb a:hover {
  color: var(--text) !important;
}

/* Tabs */
html[data-theme='dark'] .tab-btn,
html[data-theme='dark'] .tab-button,
html[data-theme='dark'] .nav-tabs .nav-link {
  color: var(--text-muted) !important;
  background-color: transparent !important;
  border-color: var(--border) !important;
}

html[data-theme='dark'] .tab-btn.active,
html[data-theme='dark'] .tab-button.active,
html[data-theme='dark'] .nav-tabs .nav-link.active {
  color: var(--text) !important;
  background-color: var(--cta-bg) !important;
  border-color: #6366f1 !important;
}

/* Modals and popups */
html[data-theme='dark'] .modal-content,
html[data-theme='dark'] .popup,
html[data-theme='dark'] .dialog {
  background-color: var(--bg) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}

/* Alert/notification boxes */
html[data-theme='dark'] .alert,
html[data-theme='dark'] .notification,
html[data-theme='dark'] .toast {
  background-color: var(--field-bg) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}

/* Dropdown menus */
html[data-theme='dark'] .dropdown-menu,
html[data-theme='dark'] .dropdown-content {
  background-color: var(--bg) !important;
  border-color: var(--border) !important;
}

html[data-theme='dark'] .dropdown-item,
html[data-theme='dark'] .dropdown-menu a {
  color: var(--text) !important;
}

html[data-theme='dark'] .dropdown-item:hover,
html[data-theme='dark'] .dropdown-menu a:hover {
  background-color: var(--cta-bg) !important;
}

/* Code blocks */
html[data-theme='dark'] pre,
html[data-theme='dark'] code {
  background-color: var(--field-bg) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}

/* Accordion */
html[data-theme='dark'] .accordion-item,
html[data-theme='dark'] .accordion-button,
html[data-theme='dark'] .accordion-body,
html[data-theme='dark'] .faq-item {
  background-color: var(--cta-bg) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}

/* Common Bootstrap overrides for dark theme */
html[data-theme='dark'] .bg-white,
html[data-theme='dark'] .bg-light {
  background-color: var(--cta-bg) !important;
}

html[data-theme='dark'] .text-dark,
html[data-theme='dark'] .text-body {
  color: var(--text) !important;
}

html[data-theme='dark'] .text-muted,
html[data-theme='dark'] .text-secondary {
  color: var(--text-muted) !important;
}

html[data-theme='dark'] .border,
html[data-theme='dark'] .border-bottom,
html[data-theme='dark'] .border-top {
  border-color: var(--border) !important;
}

/* ============================================
   LIGHT THEME - Ensure proper light mode too
   ============================================ */
html[data-theme='light'] .panel,
html[data-theme='light'] .card,
html[data-theme='light'] .container-main,
html[data-theme='light'] .left-panel,
html[data-theme='light'] .right-panel,
html[data-theme='light'] .tool-panel,
html[data-theme='light'] .control-panel {
  background-color: #ffffff !important;
  color: #0A0A0A !important;
  border-color: #e4e4e7 !important;
}

html[data-theme='light'] main,
html[data-theme='light'] main .container,
html[data-theme='light'] section {
  background-color: transparent !important;
  color: #0A0A0A !important;
}

/* ============================================
   UNIVERSAL DARK THEME FIX - Override ALL white backgrounds
   Targets any element that would have white/light bg in dark mode
   ============================================ */
html[data-theme='dark'] .scale-preview,
html[data-theme='dark'] .spacing-guide,
html[data-theme='dark'] .export-section,
html[data-theme='dark'] .preview-section,
html[data-theme='dark'] .output-section,
html[data-theme='dark'] .result-section,
html[data-theme='dark'] .generator-section,
html[data-theme='dark'] .preview-container,
html[data-theme='dark'] .tab-content,
html[data-theme='dark'] .tab-pane,
html[data-theme='dark'] .form-section,
html[data-theme='dark'] .form-group,
html[data-theme='dark'] .input-group,
html[data-theme='dark'] .btn-group,
html[data-theme='dark'] .preview-area,
html[data-theme='dark'] .output-area,
html[data-theme='dark'] .result-area,
html[data-theme='dark'] .code-output,
html[data-theme='dark'] .code-block,
html[data-theme='dark'] .output-code,
html[data-theme='dark'] .copy-area,
html[data-theme='dark'] .download-area,
html[data-theme='dark'] .action-area,
html[data-theme='dark'] .step,
html[data-theme='dark'] .step-item,
html[data-theme='dark'] .timeline-item,
html[data-theme='dark'] .list-group-item,
html[data-theme='dark'] .grid-item,
html[data-theme='dark'] .grid-card,
html[data-theme='dark'] .feature-box,
html[data-theme='dark'] .info-box,
html[data-theme='dark'] .stat-box,
html[data-theme='dark'] .metric-box,
html[data-theme='dark'] .badge-container,
html[data-theme='dark'] .tag-container,
html[data-theme='dark'] .preview-frame,
html[data-theme='dark'] .embed-container,
html[data-theme='dark'] .canvas-container,
html[data-theme='dark'] .upload-area,
html[data-theme='dark'] .drop-zone,
html[data-theme='dark'] .dropzone,
html[data-theme='dark'] .file-input-area,
html[data-theme='dark'] .preview-card,
html[data-theme='dark'] .summary-card,
html[data-theme='dark'] .breakdown-card,
html[data-theme='dark'] .calculation-result,
html[data-theme='dark'] .result-card,
html[data-theme='dark'] .result-container,
html[data-theme='dark'] .progress-card {
  background-color: var(--cta-bg) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}

/* Nuclear option for remaining white backgrounds in dark mode */
/* Target any div/section/article inside main-wrapper that has white background */
html[data-theme='dark'] .main-wrapper div[style*=background: white],
html[data-theme='dark'] .main-wrapper div[style*=background-color: white],
html[data-theme='dark'] .main-wrapper div[style*=background-color:


/* ============================================
   UNIVERSAL DARK THEME FIX - Override ALL white backgrounds
   ============================================ */
html[data-theme='dark'] .scale-preview,
html[data-theme='dark'] .spacing-guide,
html[data-theme='dark'] .export-section,
html[data-theme='dark'] .preview-section,
html[data-theme='dark'] .output-section,
html[data-theme='dark'] .result-section,
html[data-theme='dark'] .generator-section,
html[data-theme='dark'] .preview-container,
html[data-theme='dark'] .tab-content,
html[data-theme='dark'] .tab-pane,
html[data-theme='dark'] .form-section,
html[data-theme='dark'] .input-group,
html[data-theme='dark'] .preview-area,
html[data-theme='dark'] .output-area,
html[data-theme='dark'] .result-area,
html[data-theme='dark'] .code-output,
html[data-theme='dark'] .code-block,
html[data-theme='dark'] .output-code,
html[data-theme='dark'] .copy-area,
html[data-theme='dark'] .download-area,
html[data-theme='dark'] .action-area,
html[data-theme='dark'] .step,
html[data-theme='dark'] .list-group-item,
html[data-theme='dark'] .grid-item,
html[data-theme='dark'] .grid-card,
html[data-theme='dark'] .feature-box,
html[data-theme='dark'] .info-box,
html[data-theme='dark'] .preview-frame,
html[data-theme='dark'] .upload-area,
html[data-theme='dark'] .drop-zone,
html[data-theme='dark'] .dropzone,
html[data-theme='dark'] .preview-card,
html[data-theme='dark'] .summary-card,
html[data-theme='dark'] .result-card,
html[data-theme='dark'] .result-container,
html[data-theme='dark'] .progress-card,
html[data-theme='dark'] .calculation-result,
html[data-theme='dark'] .breakdown-card {
  background-color: var(--cta-bg) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}

/* Force scrollbar dark */
html[data-theme='dark'] {
  color-scheme: dark;
}
html[data-theme='light'] {
  color-scheme: light;
}


/* ============================================
   ADSENSE: Hide empty ad containers
   Shows ads when filled, hidden when empty/unapproved
   ============================================ */
.bt-ad-slot {
  text-align: center;
  margin: 20px auto;
  min-height: 0;
  overflow: hidden;
}
.bt-ad-slot ins.adsbygoogle {
  display: block;
  border: none !important;
  outline: none !important;
  background: transparent !important;
}
.bt-ad-slot ins.adsbygoogle[data-ad-status="unfilled"],
.bt-ad-slot ins.adsbygoogle:empty {
  display: none !important;
  height: 0 !important;
  min-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
}