/* =============================================
   Learn and Try - Vanilla CSS Styles
   ============================================= */

/* CSS Variables / Design Tokens */
:root {
  /* Colors */
  --color-primary: #2563eb;
  --color-primary-hover: #1e40af;
  --color-primary-light: rgba(37, 99, 235, 0.1);
  --color-primary-border: rgba(37, 99, 235, 0.4);
  
  --color-background: #ffffff;
  --color-foreground: #000000;
  
  --color-muted: #f5f5f7;
  --color-muted-foreground: #000000;
  
  --color-border: #e5e5e5;
  --color-border-light: rgba(0, 0, 0, 0.1);
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.625rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;
  
  /* Container */
  --container-max: 80rem;
  --container-padding: 2rem;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-background);
  color: var(--color-foreground);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.page--inner {
  background-color: #F5F5F7;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
}

ul,
ol {
  list-style: none;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* =============================================
   Layout
   ============================================= */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.container--narrow {
  max-width: 42rem;
}

.container--medium {
  max-width: 56rem;
}

main {
  flex: 1;
}

/* =============================================
   Header / Navbar
   ============================================= */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.21rem 2rem;
  max-width: var(--container-max);
  margin: 0 auto;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header__logo-icon {
  width: 4rem;
  height: 4rem;
  object-fit: contain;
  position: relative;
  top: 1px;
}

.header__logo-text {
  font-weight: 600;
  font-size: 1.6rem;
  color: #2563eb;
}

.header__nav {
  display: none;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.header__nav-link {
  font-weight: 500;
  color: var(--color-muted-foreground);
  transition: color var(--transition-fast);
  padding-bottom: 0.25rem;
}

.header__nav-link:hover {
  color: var(--color-foreground);
}

.header__nav-link--active {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
}

.header__mobile-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  color: var(--color-muted-foreground);
  transition: color var(--transition-fast);
}

.header__mobile-toggle:hover {
  color: var(--color-foreground);
}

.header__mobile-menu {
  display: none;
  padding: 1rem 2rem 1.5rem;
  border-top: 1px solid var(--color-border);
}

.header__mobile-menu.is-open {
  display: block;
}

.header__mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.header__mobile-nav-link {
  display: block;
  padding: 0.5rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--color-muted-foreground);
  transition: all var(--transition-fast);
}

.header__mobile-nav-link:hover {
  background-color: var(--color-muted);
  color: var(--color-foreground);
}

.header__mobile-nav-link--active {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .header__nav {
    display: block;
  }
  
  .header__mobile-toggle {
    display: none;
  }
}

/* =============================================
   Footer
   ============================================= */

.footer {
  background-color: var(--color-muted);
  border-top: 1px solid var(--color-border);
  padding: 3rem 0;
}

.footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
}

.footer__grid {
  display: grid;
  gap: 2rem;
}

.footer__column-title {
  font-weight: 700;
  color: var(--color-foreground);
  margin-bottom: 1rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__link {
  color: var(--color-muted-foreground);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-primary);
}

.footer__description {
  color: var(--color-muted-foreground);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.footer__copyright {
  color: var(--color-muted-foreground);
  font-size: 0.875rem;
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .footer__grid--two-cols {
    grid-template-columns: repeat(2, 1fr);
    max-width: 36rem;
    margin: 0 auto;
  }
  
  .footer__grid--three-cols {
    grid-template-columns: 1fr 1fr 1fr;
    justify-items: start;
  }
  
  .footer__grid--three-cols > div:nth-child(2) {
    justify-self: center;
  }
  
  .footer__grid--three-cols > div:nth-child(3) {
    justify-self: end;
  }
}

.footer__column--wide {
  min-width: auto;
  text-align: left;
}

.footer__copyright {
  margin-top: 2rem;
  text-align: center;
}

/* =============================================
   Buttons
   ============================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

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

.btn--outline {
  background-color: #FFFFFF;
  color: var(--color-foreground);
  border: 2px solid rgb(98, 105, 117);
}

.btn--outline:hover {
  background-color: #d1d5db;
}

.btn--lg {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
  height: 3.5rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* =============================================
   Hero Section
   ============================================= */

.hero {
  background-color: var(--color-muted);
  border-bottom: 1px solid var(--color-border);
  padding: 4rem 0;
  text-align: center;
}

.hero__title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}

.hero__title-highlight {
  color: var(--color-primary);
}

.hero__subtitle {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-foreground);
  margin-bottom: calc(1rem + 3px);
  line-height: 1.4;
}

.hero__description {
  font-size: 1rem;
  color: var(--color-muted-foreground);
  margin-bottom: calc(2.5rem - 4px);
  max-width: 52rem;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  position: relative;
  top: 4px;
}

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

.hero__privacy {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  font-style: normal;
  margin-top: 2rem;
}

@media (min-width: 640px) {
  .hero__actions {
    flex-direction: row;
    justify-content: center;
  }
}

@media (min-width: 768px) {
  .hero {
    padding: 4rem 0 2.5rem;
  }
  
  .hero__title {
    font-size: 3.5rem;
  }
  
  .hero__subtitle {
    font-size: 1.5rem;
  }
  
  .hero__description {
    font-size: 1.125rem;
  }
}

@media (min-width: 1024px) {
  .hero__title {
    font-size: 4.5rem;
  }
  
  .hero__subtitle {
    font-size: 1.875rem;
  }
}

/* =============================================
   Features Section (How to Use)
   ============================================= */

.features {
  padding: 2rem 0;
  text-align: center;
}

.features__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
}

.features__grid {
  display: grid;
  gap: 2.5rem;
  max-width: 56rem;
  margin: -1px auto -1px auto;
}

.feature {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.feature__icon {
  width: 4rem;
  height: 4rem;
  border: 2px solid var(--color-primary-border);
  background-color: var(--color-primary-light);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.feature__icon svg {
  width: 1.75rem;
  height: 1.75rem;
  color: var(--color-primary);
}

.feature__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature__description {
  color: var(--color-muted-foreground);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .features {
  padding: 1.5rem 0 1rem;
  }
  
  .features__title {
  font-size: 1.875rem;
  margin-bottom: 1.5rem;
  }
  
  .features__grid {
    grid-template-columns: 1fr 1.1fr 1.2fr;
    gap: 3rem;
  }
}

/* =============================================
   Video Section
   ============================================= */

.video-section {
  background-color: var(--color-muted);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 4rem 0;
  text-align: center;
}

.video-section__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 2.5rem;
}

.video-section__player {
  position: relative;
  background-color: var(--color-background);
  border-radius: var(--radius-xl);
  aspect-ratio: 16 / 9;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal);
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
  cursor: pointer;
}

.video-section__player:hover {
  box-shadow: var(--shadow-md);
}

.video-section__play-btn {
  width: 4rem;
  height: 4rem;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
}

.video-section__play-icon {
  width: 0;
  height: 0;
  border-left: 14px solid white;
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  margin-left: 4px;
}

@media (min-width: 768px) {
  .video-section {
    padding: 4rem 0 2.5rem;
  }
  
  .video-section__title {
    font-size: 1.875rem;
    margin-bottom: 3rem;
  }
}

/* Home Video Modal */
.home-video-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background-color: rgba(0, 0, 0, 0.9);
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.home-video-modal.is-open {
  display: flex;
}

.home-video-modal__content {
  position: relative;
  width: 100%;
  max-width: 1200px;
  aspect-ratio: 16 / 9;
}

.home-video-modal__content iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.home-video-modal__close {
  position: absolute;
  top: -3rem;
  right: 0;
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 0.5rem;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.home-video-modal__close:hover {
  color: #ccc;
}

/* =============================================
   CTA Section
   ============================================= */

.cta {
  padding: 4rem 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.cta__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta__description {
  font-size: 1.125rem;
  color: var(--color-muted-foreground);
  margin-bottom: 2.5rem;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

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

@media (min-width: 640px) {
  .cta__actions {
    flex-direction: row;
    justify-content: center;
  }
}

@media (min-width: 768px) {
  .cta {
    padding: 4rem 0 2.5rem;
  }
  
  .cta__title {
    font-size: 1.875rem;
  }
}

/* =============================================
   Tool Finder Page
   ============================================= */

.tool-finder {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 0;
  min-height: calc(100vh - 200px);
}

.tool-finder__content {
  text-align: center;
  max-width: 42rem;
  padding: 0 2rem;
}

.tool-finder__title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.tool-finder__title-highlight {
  color: var(--color-primary);
}

.tool-finder__text {
  font-size: 1.125rem;
  color: var(--color-muted-foreground);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.tool-finder__text--emphasis {
  color: var(--color-foreground);
  font-weight: 600;
}

.tool-finder__text--spaced {
  margin-bottom: 3rem;
}

.tool-finder__text--no-margin {
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .tool-finder {
    padding: 4rem 0 2.5rem;
  }
  
  .tool-finder__title {
    font-size: 2.5rem;
  }
  
  .tool-finder__text {
    font-size: 1.25rem;
  }
}

/* =============================================
   Questionnaire
   ============================================= */

.questionnaire {
  min-height: calc(100vh - 200px);
  display: flex;
  flex-direction: column;
  padding-bottom: 6rem;
}

/* Stepper */
.stepper {
  display: flex;
  justify-content: center;
  padding: 1.75rem 0 0.625rem 0;
}

.stepper__list {
  display: flex;
  align-items: center;
}

.stepper__item {
  display: flex;
  align-items: center;
}

.stepper__step {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1rem;
}

.stepper__step--completed,
.stepper__step--active {
  background-color: var(--color-primary);
  color: white;
}

.stepper__step--pending {
  background-color: var(--color-muted);
  color: var(--color-muted-foreground);
}

.stepper__connector {
  width: 1.75rem;
  height: 3px;
  margin: 0 0.5rem;
}

.stepper__connector--completed {
  background-color: var(--color-primary);
}

.stepper__connector--pending {
  background-color: var(--color-border);
}

@media (min-width: 640px) {
  .stepper__step {
    width: 2.5rem;
    height: 2.5rem;
  }
}

/* Question Content */
.questionnaire__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 1.5rem;
}

.questionnaire__inner {
  max-width: 56rem;
  width: 100%;
}

.questionnaire__question {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  margin: 3rem 0 2rem;
  white-space: pre-line;
}

.questionnaire__hint {
  text-align: center;
  color: #000000;
  margin-bottom: 2rem;
  font-size: 1.125rem;
}

.questionnaire__options {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  border: none;
  padding: 0;
}

.questionnaire__option {
  padding: 0.875rem 2rem;
  border: 2px solid rgb(98, 105, 117);
  border-radius: var(--radius-xl);
  font-weight: 500;
  font-size: 1.125rem;
  background-color: #FFFFFF;
  transition: all var(--transition-fast);
}

.questionnaire__option:hover {
  border-color: var(--color-primary-border);
}

.questionnaire__option--selected {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.questionnaire__actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  border: none;
}

.results__actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  border: none;
}

@media (min-width: 768px) {
  .questionnaire__question {
    font-size: 1.875rem;
  }
}

/* Results Page */
.results {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 1.5rem;
  margin-top: 0.75rem;
}

.results__content {
  max-width: 48rem;
  width: 100%;
  text-align: center;
}

.results__text {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.results__count {
  color: var(--color-primary);
  font-weight: 700;
}

.results__hint {
  font-size: 1.125rem;
  color: var(--color-muted-foreground);
  margin-bottom: 3rem;
  white-space: pre-line;
  line-height: 1.6;
}

.results__actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

@media (min-width: 768px) {
  .results__text {
    font-size: 1.5rem;
  }
  
  .results__hint {
    font-size: 1.25rem;
  }
}

/* =============================================
   Browse Tools Page
   ============================================= */

.browse {
  background-color: rgba(245, 245, 247, 0.5);
  min-height: 100vh;
}

.browse__layout {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: var(--container-max);
  margin: 0 auto;
}

@media (min-width: 640px) {
  .browse__layout {
    gap: 1rem;
  }
}

.browse__sidebar {
  padding: 0.5rem 0.25rem;
}

.browse__sidebar .filter-panel__content {
  display: none;
}

@media (min-width: 640px) {
  .browse__sidebar {
    padding: 1rem;
  }
  
  .browse__sidebar .filter-panel__content {
    display: block;
  }
}

.browse__main {
  flex: 1;
  min-width: 0;
  padding: 0.5rem 0.25rem;
}

@media (min-width: 640px) {
  .browse__main {
    padding: 2rem 1rem 2rem 2rem;
  }
}

@media (min-width: 1024px) {
  .browse__layout {
    flex-direction: row;
  }
  
  .browse__sidebar {
    width: 288px;
    flex-shrink: 0;
    display: block;
  }
  
  .browse__main {
    padding: 2rem 4rem 2rem 2rem;
  }
}

/* Page Intro */
.browse__intro {
  margin-bottom: 1.5rem;
}

.browse__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.browse__description {
  font-size: 1rem;
  color: var(--color-muted-foreground);
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.browse__description--small {
  font-size: 0.875rem;
}

.browse__description-list {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  line-height: 1.5;
  margin-bottom: 0.75rem;
  margin-left: 1.5rem;
  list-style-type: disc;
}

.browse__description-list li {
  margin-bottom: 0.25rem;
}

/* Marking Buttons */
.browse__marking-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
  margin-bottom: 1rem;
  justify-content: center;
}

.btn--marking {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border: 2px solid #6b7280;
  background-color: white;
  color: #374151;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn--marking:hover {
  background-color: #d1d5db;
}

.btn--marking.is-active {
  background-color: var(--color-primary);
  color: white;
}

/* Show Mark Feature Button */
.btn--show-mark-feature {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid #6b7280;
  background-color: white;
  color: #4b5563;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn--show-mark-feature:hover {
  background-color: #d1d5db;
}

/* Mark Feature Section */
.browse__mark-feature {
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.browse__mark-feature-content {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.browse__mark-feature-text {
  flex: 1;
}

.browse__mark-feature-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-foreground);
  margin-bottom: 0.5rem;
}

.browse__mark-feature-text p {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  margin-bottom: 0.5rem;
}

.browse__mark-feature-text ul {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  margin-left: 1.25rem;
  list-style-type: disc;
}

.browse__mark-feature-text li {
  margin-bottom: 0.375rem;
}

/* Blue highlight for intro text */
.browse__mark-intro-highlight {
  color: var(--color-primary);
  font-size: 1.125rem;
}

.browse__mark-feature-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-shrink: 0;
  align-items: flex-start;
}

.browse__mark-feature-buttons .btn--marking {
  width: 15rem;
  white-space: nowrap;
}

/* Share unsupported message */
.browse__share-unsupported {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-foreground);
  background-color: white;
  border: 2px solid var(--color-primary);
  border-radius: 0;
  text-align: center;
  width: 15rem;
  min-height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Invisible spacer before clear button */
.browse__mark-spacer {
  height: 2.375rem;
  visibility: hidden;
  pointer-events: none;
}

/* Clear marks button */
.btn--clear-marks {
}

.btn--hide-mark-feature {
  margin-top: 1rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  color: #4b5563;
  background-color: white;
  border: 1px solid #9ca3af;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn--hide-mark-feature:hover {
  background-color: #d1d5db;
  border-color: #6b7280;
}

/* Responsive: stack buttons under text on narrow screens */
@media (max-width: 640px) {
  .browse__mark-feature-content {
    flex-direction: column;
  }
  
  .browse__mark-feature-buttons {
    width: 100%;
  }
}

/* Marked Mode Banner */
.browse__marked-mode-banner {
  background-color: #fef2f2;
  border: 2px solid #dc2626;
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.browse__marked-mode-text {
  font-size: 1.125rem;
  font-weight: 700;
  color: #dc2626;
}

.btn--turn-off {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: 2px solid #dc2626;
  background-color: white;
  color: #dc2626;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn--turn-off:hover {
  background-color: #fef2f2;
}

/* Tool Card Mark Checkbox */
.tool-card__mark-checkbox {
  position: absolute;
  top: 2px;
  right: -6px;
  width: 24px;
  height: 24px;
  border: 2px solid #ccc;
  border-radius: 4px;
  background-color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  z-index: 10;
}

.tool-card__mark-checkbox:hover {
  border-color: #22c55e;
}

.tool-card__mark-checkbox.is-marked {
  background-color: #22c55e;
  border-color: #22c55e;
}

.tool-card__mark-checkbox.is-marked svg {
  display: block;
}

.tool-card__mark-checkbox svg {
  display: none;
  width: 16px;
  height: 16px;
  color: white;
}

/* Expanded card header right - See Less and checkbox */
.tool-card__header-right {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.tool-card__header-right .tool-card__mark-checkbox {
  position: static;
  flex-shrink: 0;
}

/* Marked card visual indicator */
.tool-card--marked {
  border-color: #22c55e;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.2);
}

.tool-card__mark-label {
  font-size: 0.75rem;
  color: var(--color-muted-foreground);
}

@media (min-width: 768px) {
  .browse__title {
    font-size: 2rem;
  }
  
  .browse__description {
    font-size: 1.125rem;
  }
  
  .browse__description--small {
    font-size: 0.9375rem;
  }
}

/* Search */
.browse__search-wrapper {
  margin-bottom: 1.5rem;
}

.browse__search {
  position: relative;
}

.browse__search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted-foreground);
  width: 1.25rem;
  height: 1.25rem;
  pointer-events: none;
}

.browse__search-input {
  width: 100%;
  padding: 0.75rem 0.75rem 0.75rem 2.5rem;
  border: 1px solid #000000;
  border-radius: var(--radius-md);
  font-size: 1rem;
  background-color: var(--color-background);
  transition: border-color var(--transition-fast);
}

.browse__search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.browse__search-clear {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  padding: 0.25rem;
  cursor: pointer;
  color: var(--color-muted-foreground);
  display: none;
}

.browse__search-clear:hover {
  color: var(--color-foreground);
}

.browse__search-input:not(:placeholder-shown) + .browse__search-clear,
.browse__search-clear.visible {
  display: flex;
}

/* Active Filters Section */
.browse__active-filters {
  margin-bottom: 1rem;
}

.browse__filter-summary {
  font-size: 1rem;
  color: var(--color-muted-foreground);
  margin-bottom: 1rem;
}

.browse__filter-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  border-radius: var(--radius-full);
}

.filter-badge--function {
  background-color: #e9d5ff;
  color: #581c87;
}

.filter-badge--device {
  background-color: #dbeafe;
  color: #1e40af;
}

.filter-badge--install {
  background-color: #fef3c7;
  color: #92400e;
}

.filter-badge--purchase {
  background-color: #dcfce7;
  color: #166534;
}

.filter-badge__label {
  font-weight: 700;
}

/* Controls Row */
.browse__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.browse__controls-right {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.browse__results-count {
  font-size: 0.875rem;
  color: #374151;
  white-space: nowrap;
}

.browse__per-page,
.browse__sort {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.browse__per-page-label,
.browse__sort-label {
  font-size: 0.875rem;
  color: #374151;
  white-space: nowrap;
}

.browse__per-page-select,
.browse__sort-select {
  padding: 0.375rem 2rem 0.375rem 0.75rem;
  border: 1px solid #9ca3af;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  background-color: var(--color-background);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  appearance: none;
  cursor: pointer;
}

.browse__per-page-select:focus,
.browse__sort-select:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* Filter Panel */
.filter-panel {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.filter-panel__toggle {
  width: 100%;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgba(245, 245, 247, 0.3);
  transition: background-color var(--transition-fast);
}

.filter-panel__toggle:hover {
  background-color: #d1d5db;
}

.filter-panel__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.filter-panel__title {
  font-size: 1.125rem;
  font-weight: 700;
}

.filter-panel__count {
  font-size: 0.875rem;
  color: var(--color-primary);
  font-weight: 500;
}

.filter-panel__toggle-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-muted-foreground);
}

.filter-panel__content {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: all var(--transition-slow);
}

.filter-panel__content.is-open {
  max-height: 2000px;
  opacity: 1;
}

.filter-panel__clear {
  padding: 0.5rem 1rem;
  border-top: 1px solid var(--color-border);
  background-color: rgba(245, 245, 247, 0.2);
}

.filter-panel__clear-btn {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  background-color: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.filter-panel__clear-btn:hover {
  background-color: var(--color-primary-hover);
}

.filter-panel__body {
  padding: 1rem;
  border-top: 1px solid var(--color-border);
}

.filter-panel__fieldset {
  margin-bottom: 1.5rem;
  border: none;
  padding: 0;
}

.filter-panel__fieldset:last-child {
  margin-bottom: 0.5rem;
}

.filter-panel__legend {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-panel__fieldset-desc {
  font-size: 0.75rem;
  color: var(--color-muted-foreground);
  margin-bottom: 0.75rem;
}

.filter-panel__options {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border: none;
}

.filter-panel__option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.filter-panel__checkbox {
  width: 1rem;
  height: 1rem;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

.filter-panel__option-label {
  font-size: 0.875rem;
}

.filter-panel__help-icon {
  width: 0.875rem;
  height: 0.875rem;
  color: var(--color-muted-foreground);
  opacity: 0.7;
  flex-shrink: 0;
  cursor: pointer;
  }
  
  .filter-panel__help-icon:hover {
  color: var(--color-primary);
  }

/* Hide help icon when tooltip popup is shown */
.tooltip:hover .filter-panel__help-icon,
.tooltip:focus .filter-panel__help-icon {
  visibility: hidden;
}

/* Tooltip */
.tooltip {
  position: relative;
  display: inline-flex;
  align-items: center;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

.tooltip:focus {
  outline: none;
}

.tooltip:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

.tooltip__content {
  position: fixed;
  max-width: calc(100vw - 2rem);
  width: 14rem;
  padding: 0.5rem;
  padding-right: 1.5rem;
  font-size: 0.75rem;
  background-color: var(--color-foreground);
  color: var(--color-background);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-weight: 700;
  z-index: 99999;
  display: none;
}

.tooltip__content.is-visible {
  display: block;
}

.tooltip__close {
  position: absolute;
  top: 0.25rem;
  right: 0.25rem;
  padding: 0.125rem;
  border-radius: var(--radius-sm);
  color: var(--color-background);
}

.tooltip__close:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

/* Function Header Cards */
.function-header {
  background-color: #eff6ff;
  border: 2px solid #60a5fa;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.function-header--see-also {
  background-color: #fff7ed;
  border-color: #fb923c;
  margin-top: 2rem;
}

.function-header__toggle {
  width: 100%;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  transition: background-color var(--transition-fast);
}

.function-header__toggle:hover {
  background-color: #93c5fd;
}

.function-header--see-also .function-header__toggle:hover {
  background-color: #fed7aa;
}

.function-header__left {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
}

.function-header__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-foreground);
}

.function-header__subtitle {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
}

.function-header__icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-muted-foreground);
}

/* Function header content is now conditionally rendered in JS - no max-height needed */

.function-header__body {
  padding: 1rem;
  border-top: 1px solid #60a5fa;
}

.function-header--see-also .function-header__body {
  border-top-color: #fb923c;
}

.function-header__body p {
  margin-bottom: 1rem;
}

.function-header__body ul {
  list-style-type: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.function-header__body li {
  margin-bottom: 0.25rem;
}

/* Tool Cards */
.tools-grid {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.tool-card {
  background-color: var(--color-background);
  border: 1px solid #9ca3af;
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
  padding: 0.5rem 1rem 0.25rem 1rem;
}

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

.tool-card--see-also {
  border-color: #fb923c;
  background-color: #fffbeb;
}

.mt-6 {
  margin-top: 1.5rem;
}

.tool-card__header {
  cursor: pointer;
}

.tool-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.25rem;
}

.tool-card__info {
  flex: 1;
  min-width: 0;
}

.tool-card__name {
  font-size: 1rem;
  font-weight: 700;
}

.tool-card__company {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  display: inline;
}

.tool-card__name-line {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding-right: 2rem;
  padding-top: 1px;
  padding-bottom: 1px;
}

.tool-card__description-preview {
  font-size: 0.875rem;
  color: var(--color-foreground);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0.25rem 0;
}

.tool-card__badges-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 1rem;
  margin: 0.125rem 0 0.0625rem 0;
  align-items: start;
}

@media (min-width: 768px) {
  .tool-card__badges-grid {
    grid-template-columns: 1fr 1fr 0.61fr 0.89fr auto;
  }
}

.tool-card__badge-col {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.tool-card__badge-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.tool-card__badge-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.tool-card__see-more-col {
  display: none;
  align-items: flex-end;
  justify-content: flex-end;
  align-self: end;
  padding-bottom: 0.25rem;
}

@media (min-width: 768px) {
  .tool-card__see-more-col {
    display: flex;
  }
  
  .tool-card__see-more-row {
    display: none;
  }
}

.tool-card__see-more {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.25rem;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: 0;
  white-space: nowrap;
}

.tool-card__see-more svg {
  width: 1rem;
  height: 1rem;
}

.tool-card__toggle-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-muted-foreground);
  flex-shrink: 0;
}

.tool-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge--function {
  background-color: #e9d5ff;
  color: #581c87;
}

.badge--device {
  background-color: #dbeafe;
  color: #1e40af;
}

.badge--install {
  background-color: #fef3c7;
  color: #92400e;
}

.badge--more {
  background-color: #e5e7eb;
  color: #4b5563;
  font-style: italic;
}

.badge--purchase {
  background-color: #dcfce7;
  color: #166534;
}

.badge--more {
  background-color: var(--color-muted);
  color: var(--color-muted-foreground);
}

/* Tool Card Expanded Content */
.tool-card__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.tool-card__content.is-open {
  max-height: 2000px;
}

.tool-card__body {
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--color-border);
}

.tool-card__description {
  color: var(--color-muted-foreground);
  line-height: 1.6;
  margin: 0.25rem 0 1rem 0;
}

.tool-card__section {
  margin-bottom: 1rem;
}

.tool-card__section-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.125rem;
}

.tool-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--color-primary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.tool-card__link:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.tool-card__link-icon {
  width: 1rem;
  height: 1rem;
}

.tool-card__videos {
  margin-top: 0.25rem;
}

.tool-card__video {
  margin-top: 0.125rem;
}

.tool-card__video-title {
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.tool-card__video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.tool-card__video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Expanded Tool Card */
.tool-card--expanded {
  cursor: default;
}

.tool-card__expanded {
  padding: 0 0 0.25rem 0;
}

.tool-card__expanded-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  padding: 0.25rem;
  margin: -0.25rem;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.tool-card__expanded-header:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

.tool-card__expanded-header-left {
  flex: 1;
  min-width: 0;
}

.tool-card__expanded-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-foreground);
}

.tool-card__expanded-company {
  font-size: 1rem;
  color: var(--color-muted-foreground);
  margin-top: 0.125rem;
}

.tool-card__see-less {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.tool-card__see-less svg {
  width: 1rem;
  height: 1rem;
}

.tool-card__divider {
  border: none;
  border-top: 1px solid #d1d5db;
  margin: 0.75rem 0;
}

.tool-card__full-description {
  font-size: 1rem;
  color: var(--color-foreground);
  line-height: 1.5;
}

.tool-card__videos-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tool-card__video-main {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.tool-card__video-main iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.tool-card__video-thumb {
  width: calc(50% - 0.375rem);
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.tool-card__video-thumb iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

@media (min-width: 640px) {
  .tool-card__video-main {
    width: calc(50% - 0.375rem);
  }
  
  .tool-card__video-thumb {
    width: calc(25% - 0.5625rem);
  }
}

.tool-card__button-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.25rem;
}

.tool-card__visit-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 700;
  background-color: #15803d;
  color: white;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.tool-card__visit-btn:hover {
  background-color: #166534;
}

.tool-card__visit-btn svg {
  width: 1rem;
  height: 1rem;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.pagination__btn {
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid rgb(98, 105, 117);
  border-radius: var(--radius-md);
  background-color: #FFFFFF;
  transition: all var(--transition-fast);
}

.pagination__btn:hover:not(:disabled) {
  background-color: #d1d5db;
}

.pagination__btn--active {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.pagination__btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination__ellipsis {
  padding: 0 0.5rem;
  color: var(--color-muted-foreground);
}

.pagination__btn--show-all {
  margin-left: 1rem;
  background-color: #FFFFFF;
  border: 1px solid rgb(98, 105, 117);
}

.pagination__btn--show-all:hover:not(:disabled) {
  background-color: #d1d5db;
}

/* See Also Section */
.see-also {
  margin-top: 2rem;
  padding: 1rem;
  background-color: var(--color-muted);
  border-radius: var(--radius-lg);
}

.see-also__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  margin-bottom: 0.5rem;
}

.see-also__title {
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.see-also__toggle-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-muted-foreground);
}

.see-also__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.see-also__content.is-open {
  max-height: 1000px;
}

.see-also__group {
  margin-top: 1rem;
  padding: 0.75rem;
  background-color: var(--color-background);
  border-radius: var(--radius-md);
}

.see-also__group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.see-also__group-title {
  font-weight: 600;
  font-size: 0.875rem;
}

.see-also__group-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.see-also__group-content.is-open {
  max-height: 500px;
}

.see-also__reason {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  margin: 0.5rem 0;
  font-style: italic;
}

.see-also__tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.see-also__tool-btn {
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
  background-color: var(--color-muted);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.see-also__tool-btn:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

/* Function Group */
.function-group {
  margin-bottom: 1.5rem;
}

.function-group__tools {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

/* Function Header (Blue expandable card) */
.function-header {
  background-color: #eff6ff;
  border: 2px solid #3b82f6;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 0.25rem;
}

.function-header--expanded {
  border-color: #2563eb;
}

.function-header__toggle {
  width: 100%;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  transition: background-color var(--transition-fast);
  gap: 1rem;
}

.function-header__toggle:hover {
  background-color: #dbeafe;
}

.function-header__left {
  display: flex;
  flex-direction: row;
  align-items: baseline;
  gap: 1rem;
}

.function-header__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #1e40af;
}

.function-header__subtitle {
  font-size: 0.875rem;
  color: #374151;
}

.function-header__icon {
  width: 1.5rem;
  height: 1.5rem;
  color: #3b82f6;
  flex-shrink: 0;
}

.function-header__content {
  padding: 1rem 1.25rem;
  border-top: 1px solid #93c5fd;
  background-color: #f0f9ff;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: #1e3a5f;
}

.function-header__content p {
  margin-bottom: 0.75rem;
}

.function-header__content ul {
  list-style-type: disc;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
}

.function-header__content li {
  margin-bottom: 0.375rem;
}

/* Info content classes for function header expansions */
.info-intro {
  margin-bottom: 1rem;
}

.info-section-title {
  font-weight: 700;
  margin-bottom: 0.5rem;
  margin-top: 1rem;
}

.info-list {
  list-style-type: disc;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
}

.info-list li {
  margin-bottom: 0.375rem;
}

.info-note {
  margin-bottom: 0.5rem;
  font-style: italic;
}

/* See Also Section (Purple cards) */
.see-also-section {
  margin-top: 2rem;
}

.see-also-info {
  background-color: #faf5ff;
  border: 2px solid #a855f7;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.see-also-info--expanded {
  border-color: #9333ea;
}

.see-also-info__toggle {
  width: 100%;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  transition: background-color var(--transition-fast);
  gap: 1rem;
}

.see-also-info__toggle:hover {
  background-color: #d8b4fe;
}

.see-also-info__title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #7e22ce;
}

.see-also-info__icon {
  width: 1.25rem;
  height: 1.25rem;
  color: #a855f7;
  flex-shrink: 0;
}

.see-also-info__content {
  padding: 1rem 1.25rem;
  border-top: 1px solid #c4b5fd;
  background-color: #faf5ff;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: #581c87;
}

/* See Also Group (Purple expandable cards) */
.see-also-group {
  background-color: #faf5ff;
  border: 2px solid #c084fc;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.see-also-group--expanded {
  border-color: #a855f7;
}

.see-also-group__toggle {
  width: 100%;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  transition: background-color var(--transition-fast);
  gap: 1rem;
}

.see-also-group__toggle:hover {
  background-color: #d8b4fe;
}

.see-also-group__left {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.see-also-group__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #7e22ce;
}

.see-also-group__count {
  font-size: 0.875rem;
  font-weight: 500;
  color: #9333ea;
}

.see-also-group__subtitle {
  font-size: 0.875rem;
  color: #4b5563;
}

.see-also-group__icon {
  width: 1.5rem;
  height: 1.5rem;
  color: #a855f7;
  flex-shrink: 0;
}

.see-also-group__content {
  padding: 1rem 1.25rem;
  border-top: 1px solid #c4b5fd;
  background-color: #faf5ff;
}

.see-also-group__intro {
  font-size: 0.9375rem;
  color: #581c87;
  margin-bottom: 0.75rem;
}

.see-also-group__reasons {
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid #e9d5ff;
}

.see-also-group__reasons-intro {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #581c87;
  margin-bottom: 0.5rem;
}

.see-also-group__reasons-list {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.875rem;
  color: #6b21a8;
}

.see-also-group__reasons-list li {
  margin-bottom: 0.25rem;
}

.see-also-group__reasons {
  list-style-type: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
  color: #581c87;
}

.see-also-group__reasons li {
  margin-bottom: 0.375rem;
}

.see-also-group__tools {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

/* Tool Card - Collapsed View */
.tool-card__collapsed {
  cursor: pointer;
  position: relative;
}

.tool-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-foreground);
}

.tool-card__company {
  font-weight: 400;
  color: var(--color-muted-foreground);
}

.tool-card__desc-preview {
  font-size: 0.875rem;
  color: #374151;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0.125rem 0 0.125rem 0;
}

.tool-card__spacer {
  height: 0;
}

.tool-card__see-more-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.25rem;
}

@media (min-width: 768px) {
  .tool-card__see-more-row {
    display: none;
  }
}

/* Tool Card - Repeat View (collapsed) */
.tool-card--repeat:not(.tool-card--expanded) {
  background-color: #F3F4F6;
  padding: 0.5rem 1rem;
  cursor: pointer;
}

.tool-card--repeat:not(.tool-card--expanded):hover {
  background-color: #E5E7EB;
}

/* Tool Card - Repeat View (expanded) - same as regular expanded */
.tool-card--repeat.tool-card--expanded {
  background-color: var(--color-background);
}

.tool-card__repeat {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem;
  width: 100%;
  justify-content: space-between;
}

.tool-card__repeat-name {
  font-weight: 600;
  color: var(--color-foreground);
}

.tool-card__repeat-company {
  color: var(--color-muted-foreground);
}

.tool-card__repeat-note {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  font-style: italic;
}

.tool-card__repeat-note-func {
  color: var(--color-foreground);
  font-weight: 600;
}

.tool-card__repeat-text {
  flex: 1;
}

.tool-card__repeat-badges {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: 0.25rem;
}

.tool-card__repeat-badges .badge {
  font-size: 0.75rem;
  padding: 0.125rem 0.5rem;
}

.tool-card__see-more--repeat {
  flex-shrink: 0;
  font-size: 0.875rem;
}
  
.tool-card__collapse-trigger {
  cursor: pointer;
}

/* Tool Card - Expanded View */
.tool-card--expanded {
  padding: 1rem 1.25rem 0.5rem 1.25rem;
}

.tool-card__expanded-note {
  font-size: 0.875rem;
  color: #6b7280;
  font-style: italic;
  margin-top: 0.25rem;
}

.tool-card__expanded-note--see-also {
  color: #a855f7;
}

.tool-card__section-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-foreground);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

/* Tool Card - Badges in Expanded View */
.tool-card__badges-expanded {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (min-width: 640px) {
  .tool-card__badges-expanded {
    grid-template-columns: repeat(4, 1fr);
  }
}

.tool-card__badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

/* Tool Card - Videos */
.tool-card__videos {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.tool-card__video {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.tool-card__video--main {
  width: 100%;
  aspect-ratio: 16 / 9;
}

.tool-card__video--thumb {
  width: calc(50% - 0.375rem);
  aspect-ratio: 16 / 9;
}

@media (min-width: 640px) {
  .tool-card__video--main {
    width: calc(50% - 0.375rem);
  }
  
  .tool-card__video--thumb {
    width: calc(25% - 0.5625rem);
  }
}

.tool-card__video iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.tool-card__video {
  cursor: pointer;
  position: relative;
}

.tool-card__video::after {
  content: '';
  position: absolute;
  inset: 0;
  background: transparent;
  pointer-events: none;
}

/* Video Modal */
.video-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background-color: rgba(0, 0, 0, 0.9);
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.video-modal.is-open {
  display: flex;
}

.video-modal__content {
  position: relative;
  width: 100%;
  max-width: 1200px;
  aspect-ratio: 16 / 9;
}

.video-modal__content iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.video-modal__close {
  position: absolute;
  top: -3rem;
  right: 0;
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 0.5rem;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.video-modal__close:hover {
  color: #ccc;
}

/* Tool Card - Actions */
.tool-card__actions {
  display: flex;
  justify-content: flex-end;
}

/* Tool Card - See Also variant */
.tool-card--see-also {
  border-color: #c084fc;
  background-color: #fefbff;
}

.tool-card--see-also:hover {
  border-color: #a855f7;
}

/* Pagination */
.pagination__pages {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.pagination__page {
  min-width: 2.5rem;
  height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid rgb(98, 105, 117);
  border-radius: var(--radius-md);
  background-color: #FFFFFF;
  transition: all var(--transition-fast);
}

.pagination__page:hover:not(:disabled) {
  background-color: #d1d5db;
}

.pagination__page--active {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.pagination__btn--prev,
.pagination__btn--next {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

/* Tooltip Popup */
.tooltip-popup {
  position: fixed;
  transform: translate(-50%, -100%);
  max-width: 280px;
  padding: 0.5rem 0.75rem;
  padding-right: 1.25rem;
  font-size: 0.8125rem;
  background-color: #1f2937;
  color: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 99999;
  pointer-events: auto;
}

.tooltip-popup__close {
  position: absolute;
  top: 0.25rem;
  right: 0;
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 0.125rem 0.25rem;
  font-size: 0.75rem;
  line-height: 1;
}

.tooltip-popup__close:hover {
  color: #ccc;
}

/* Hide default tooltip icon circle on hover */
.tooltip:hover svg,
.tooltip:focus svg {
  opacity: 1;
}

/* Filter Badges Container Groups */
.browse__filter-badges {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  margin-top: 0.25rem;
}

.filter-badges-group {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-badges-group__label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  min-width: 5rem;
  padding-top: 0.375rem;
}

.filter-badges-group__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

/* Filter Badge with Remove Button */
.filter-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.625rem;
  font-size: 0.8125rem;
  font-weight: 500;
  background-color: #e5e7eb;
  color: #374151;
  border-radius: var(--radius-full);
}

.filter-badge--function {
  background-color: #f3e8ff;
  color: #7e22ce;
}

.filter-badge--device {
  background-color: #dbeafe;
  color: #1e40af;
}

.filter-badge--install {
  background-color: #fef3c7;
  color: #92400e;
}

.filter-badge--purchase {
  background-color: #dcfce7;
  color: #166534;
}

.filter-badge--search {
  background-color: #e0f2fe;
  color: #0369a1;
}

.filter-badge__remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast);
}

.filter-badge__remove:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

.filter-badge__remove svg {
  width: 0.75rem;
  height: 0.75rem;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
}

.empty-state__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.empty-state__text {
  color: var(--color-muted-foreground);
}

/* Loading State */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
}

.loading__spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

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

/* =============================================
   Utilities
   ============================================= */

.text-center {
  text-align: center;
}

.text-primary {
  color: var(--color-primary);
}

.font-bold {
  font-weight: 700;
}

.mt-auto {
  margin-top: auto;
}

.hidden {
  display: none !important;
}

@media (min-width: 768px) {
  .md\:hidden {
    display: none !important;
  }
  
  .md\:block {
    display: block !important;
  }
  
  .md\:flex {
    display: flex !important;
  }
}