/* ===================================
   CSS Variables
   =================================== */

:root {
  /* Colors */
  --color-teal: #0D9488;
  --color-teal-light: #14B8A6;
  --color-teal-dark: #0F766E;

  --color-bg-primary: #FAFAF9;
  --color-bg-secondary: #F5F5F4;
  --color-bg-white: #FFFFFF;

  --color-text-primary: #1C1917;
  --color-text-secondary: #57534E;
  --color-text-tertiary: #78716C;

  --color-border: #E7E5E4;
  --color-border-light: #F5F5F4;

  /* Typography */
  --font-base: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ===================================
   Reset & Base Styles
   =================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

/* Scroll offset for anchor links */
section {
  scroll-margin-top: 80px;
}

body {
  font-family: var(--font-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  font-size: 1rem;
  font-weight: 400;
}

/* ===================================
   Typography
   =================================== */

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-primary);
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
}

p {
  margin-bottom: 1em;
  line-height: 1.75;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--color-teal);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: var(--color-teal-dark);
  opacity: 0.9;
}

a:focus {
  outline: 2px solid var(--color-teal);
  outline-offset: 2px;
}

/* ===================================
   Layout & Grid
   =================================== */

.hero__container,
.section__container,
.footer__container {
  max-width: 68ch;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===================================
   Navigation
   =================================== */

.nav {
  position: sticky;
  top: 0;
  background-color: rgba(250, 250, 249, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  padding: 1rem 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.nav__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color 0.2s ease;
  letter-spacing: 0.02em;
}

.nav__logo:hover {
  color: var(--color-teal);
}

.nav__logo:hover .nav__logo-icon {
  transform: scale(1.05);
}

.nav__logo-icon {
  width: 32px;
  height: 32px;
  transition: transform 0.2s ease;
}

.nav__logo-text {
  /* Text is styled by parent .nav__logo */
}

.nav__menu {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
  position: relative;
}

.nav__link:hover {
  color: var(--color-teal);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-teal);
  transition: width 0.3s ease;
}

.nav__link:hover::after {
  width: 100%;
}

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

.hero {
  padding: 5rem 0 4rem;
  background-color: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
}

.hero__title {
  margin-bottom: 1.5rem;
}

.hero__subtitle {
  display: block;
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 400;
  color: var(--color-text-tertiary);
  margin-top: 0.75rem;
  letter-spacing: 0.05em;
}

.hero__tagline {
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
  font-weight: 600;
  margin-bottom: 1.25rem;
  line-height: 1.5;
  color: var(--color-teal-dark);
}

.hero__description {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

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

.section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.section:last-of-type {
  border-bottom: none;
}

/* Alternating section backgrounds */
.section--what {
  background-color: var(--color-bg-primary);
}

.section--why {
  background-color: var(--color-bg-white);
}

.section--projects {
  background-color: var(--color-bg-secondary);
}

.section--contact {
  background-color: var(--color-bg-white);
}

.section__title {
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.section__title-en {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-teal);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.about-links {
  margin: -1.5rem 0 2rem;
}

.about-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background-color: var(--color-bg-white);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.about-link:hover {
  background-color: #000;
  border-color: #000;
  color: #fff;
  transform: translateY(-1px);
}

.x-activity {
  margin: 0 0 2rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background-color: var(--color-bg-white);
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  box-shadow: 0 6px 18px rgba(15, 118, 110, 0.08);
}

.x-activity a {
  font-weight: 600;
  color: var(--color-text-primary);
}

.x-activity a:hover {
  color: #000;
}

/* ===================================
   Activity List
   =================================== */

.activity-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2.5rem 2rem;
}

.activity-list__item {
  padding: 0;
}

.activity-list__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.625rem;
  position: relative;
  padding-left: 1rem;
}

.activity-list__title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.4em;
  width: 4px;
  height: 0.8em;
  background-color: var(--color-teal);
  border-radius: 2px;
}

.activity-list__description {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
  padding-left: 1rem;
}

/* ===================================
   Principles
   =================================== */

.principles {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.principles__item {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text-primary);
  padding-left: 2rem;
  position: relative;
  line-height: 1.75;
}

.principles__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 1rem;
  height: 3px;
  background-color: var(--color-teal);
  border-radius: 2px;
}

/* ===================================
   Card Grid
   =================================== */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.tools-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 2rem;
  align-items: start;
}

.card {
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-white);
  border-radius: 8px;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card:hover {
  border-color: var(--color-teal-light);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.1);
  transform: translateY(-2px);
}

.card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-bg-secondary);
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.card:hover .card__image img {
  transform: scale(1.05);
}

.card__body {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card__title {
  margin-bottom: 0.875rem;
  color: var(--color-text-primary);
}

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

.card__tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.card__tag {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  background-color: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 3px;
  border: 1px solid var(--color-border);
  text-decoration: none;
  transition: all 0.2s ease;
}

.card__tag:hover {
  background-color: var(--color-teal);
  color: #ffffff;
  border-color: var(--color-teal);
}

.card__description {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.7;
  flex: 1;
}

.card__link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-teal);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: gap 0.2s ease;
  margin-top: auto;
}

.card__link:hover {
  gap: 0.5rem;
  color: var(--color-teal-dark);
}

/* ===================================
   Contact Section
   =================================== */

.contact__message {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
  line-height: 1.75;
}

.contact__email {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

.contact__link {
  font-weight: 600;
  color: var(--color-teal);
}

.contact__note {
  font-size: 0.9375rem;
  color: var(--color-text-tertiary);
  font-style: italic;
  line-height: 1.7;
  margin-top: 2rem;
}

.contact__form {
  margin: 2.5rem 0;
}

.contact__form iframe {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  max-width: 100%;
}

.contact__temp {
  padding: 3rem 2rem;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  text-align: center;
}

/* ===================================
   Shop Page
   =================================== */

.shop-hero {
  padding: 4rem 0 3rem;
  background-color: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
}

.shop-hero__title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  margin-bottom: 1.25rem;
}

.shop-hero__description {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.section__container--wide {
  max-width: 1200px;
}

.nav__link--active {
  color: var(--color-teal);
  font-weight: 600;
}

.section--products {
  background-color: var(--color-bg-primary);
}

/* Product Category */

.product-category {
  margin-bottom: 5rem;
}

.product-category:last-of-type {
  margin-bottom: 4rem;
}

.product-category__title {
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.product-category__subtitle {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-teal);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Product Grid */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

/* Product Card */

.product-card {
  position: relative;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-white);
  display: flex;
  flex-direction: column;
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.product-card:hover {
  border-color: var(--color-teal-light);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.12);
  transform: translateY(-2px);
}

.product-card__badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background-color: var(--color-teal);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.5rem 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 10;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(13, 148, 136, 0.2);
}

.product-card__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card__placeholder {
  font-size: 3rem;
  opacity: 0.2;
  filter: grayscale(0.5);
}

.product-card__content {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.product-card__description {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.product-card__audio {
  margin-bottom: 1rem;
}

.product-card__audio-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.625rem;
}

.product-card__audio-placeholder {
  padding: 1.25rem;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

.product-card__specs {
  margin-bottom: 1.5rem;
  padding: 1.25rem;
  background-color: var(--color-bg-secondary);
  border-radius: 6px;
  border: 1px solid var(--color-border-light);
}

.product-card__specs-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.625rem;
}

.product-card__specs-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.product-card__specs-list li {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  padding: 0.375rem 0;
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.5;
}

.product-card__specs-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 4px;
  height: 4px;
  background-color: var(--color-teal);
  border-radius: 50%;
}

.product-card__footer {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.25rem;
}

.product-card__price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-teal-dark);
  letter-spacing: -0.01em;
}

.product-card__button {
  flex: 1;
  padding: 0.875rem 1.5rem;
  background-color: var(--color-teal);
  color: #ffffff;
  border: none;
  border-radius: 6px;
  font-size: 0.9375rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  text-align: center;
  display: inline-block;
  letter-spacing: 0.02em;
}

.product-card__button:hover {
  background-color: var(--color-teal-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(13, 148, 136, 0.3);
}

.product-card__button--disabled {
  background-color: var(--color-border);
  color: var(--color-text-tertiary);
  cursor: not-allowed;
}

.product-card__button--disabled:hover {
  background-color: var(--color-border);
  transform: none;
  box-shadow: none;
}

/* Shop Notice */

.shop-notice {
  margin-top: 4rem;
  padding: 2.5rem 2rem;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  text-align: center;
}

.shop-notice__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.shop-notice__text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.shop-notice__link {
  color: var(--color-teal);
  font-weight: 600;
  text-decoration: underline;
}

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

.footer {
  padding: 3rem 0 2rem;
  background-color: var(--color-bg-white);
  border-top: 1px solid var(--color-border);
  margin-top: 0;
}

.footer__links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.footer__link {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-decoration: none;
}

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

.footer__copyright {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  text-align: center;
  letter-spacing: 0.01em;
}

/* ===================================
   Article Pages (Notes/Projects)
   =================================== */

.note-article__header {
  padding: 4rem 0 2rem;
  background-color: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
}

.note-article__date {
  font-size: 0.875rem;
  color: var(--color-teal);
  font-weight: 500;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.note-article__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

.note-article__tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.note-article__tag {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  background-color: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

.note-article__content {
  padding: 3rem 0;
}

.note-article__content h2 {
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-top: 2.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-border);
}

.note-article__content h2:first-child {
  margin-top: 0;
}

.note-article__content h3 {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-top: 2rem;
  margin-bottom: 1rem;
  position: relative;
  padding-left: 1rem;
}

.note-article__content h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.4em;
  width: 4px;
  height: 0.8em;
  background-color: var(--color-teal);
  border-radius: 2px;
}

.note-article__content h4 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.note-article__content p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

.note-article__content ul,
.note-article__content ol {
  margin: 1.5rem 0;
  padding-left: 2rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.note-article__content ul li,
.note-article__content ol li {
  margin-bottom: 0.625rem;
}

.note-article__content ul {
  list-style-type: none;
  padding-left: 1.5rem;
}

.note-article__content ul li {
  position: relative;
  padding-left: 0.5rem;
}

.note-article__content ul li::before {
  content: '';
  position: absolute;
  left: -1rem;
  top: 0.7em;
  width: 6px;
  height: 6px;
  background-color: var(--color-teal);
  border-radius: 50%;
}

.note-article__content blockquote {
  margin: 2rem 0;
  padding: 1.5rem 1.75rem;
  background-color: var(--color-bg-secondary);
  border-left: 4px solid var(--color-teal);
  border-radius: 4px;
}

.note-article__content blockquote p {
  margin-bottom: 0;
  font-style: italic;
  color: var(--color-text-primary);
}

.note-article__content code {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9em;
  background-color: var(--color-bg-secondary);
  padding: 0.2em 0.4em;
  border-radius: 3px;
  color: var(--color-text-primary);
}

.note-article__content pre {
  margin: 1.5rem 0;
  padding: 1.25rem;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  overflow-x: auto;
}

.note-article__content pre code {
  background-color: transparent;
  padding: 0;
  border-radius: 0;
}

.note-article__content hr {
  margin: 3rem 0;
  border: none;
  border-top: 1px solid var(--color-border);
}

.note-article__content strong {
  font-weight: 700;
  color: var(--color-text-primary);
}

.note-article__footer {
  padding: 2rem 0 3rem;
}

.card__date {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  margin-bottom: 0.75rem;
}

.news-filters {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.news-view-toggle {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.news-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.news-grid--list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.news-grid--list .card--news {
  flex-direction: row;
  position: relative;
  overflow: hidden;
}

.news-grid--list .card--news::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--news-accent, var(--color-teal));
}

.news-grid--list .card__image {
  width: 260px;
  min-height: 160px;
  flex-shrink: 0;
  aspect-ratio: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), var(--news-tint, rgba(15, 118, 110, 0.08)));
}

.news-grid--list .card__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.news-grid--list .card__body {
  padding: 1.75rem 2rem;
}

.news-pagination {
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: center;
  margin-top: 2.5rem;
}

.news-pagination__status {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

.news-card__meta {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.news-card__source {
  font-weight: 600;
  color: var(--color-text-secondary);
}

.card--news {
  border: 1px solid rgba(15, 118, 110, 0.25);
  border-top: 4px solid var(--news-accent, var(--color-teal));
  box-shadow: 0 1px 3px rgba(15, 118, 110, 0.08);
}

.card--news:hover {
  border-color: rgba(15, 118, 110, 0.4);
  box-shadow: 0 6px 18px rgba(15, 118, 110, 0.14);
}

.card--news .card__tag:first-child {
  background-color: rgba(15, 118, 110, 0.12);
  color: var(--news-accent, var(--color-teal));
  border-color: rgba(15, 118, 110, 0.2);
}

.news-card--audio-tech {
  --news-accent: #0f766e;
  --news-tint: rgba(15, 118, 110, 0.08);
}

.news-card--music-tools {
  --news-accent: #0d9488;
  --news-tint: rgba(13, 148, 136, 0.1);
}

.news-card--media-ai {
  --news-accent: #148a6a;
  --news-tint: rgba(20, 138, 106, 0.1);
}

.news-card--arts-funding {
  --news-accent: #0f5f59;
  --news-tint: rgba(15, 95, 89, 0.1);
}

.news-tag-cloud {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.news-tag-cloud__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.news-tag-cloud__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

@media (max-width: 900px) {
  .news-grid--list .card--news {
    flex-direction: column;
  }

  .news-grid--list .card__image {
    width: 100%;
  }
}

@media (max-width: 600px) {
  .news-grid--list .card__image {
    min-height: 120px;
  }

  .news-grid--list .card__body {
    padding: 1.25rem 1.5rem;
  }

  .news-grid--list .news-card__meta {
    font-size: 0.8125rem;
  }

  .news-grid--list .card__title {
    font-size: 1rem;
  }

  .news-grid--list .card__description,
  .news-grid--list .card__link {
    font-size: 0.875rem;
  }
}

/* ===================================
   Tool Pages
   =================================== */

.tool-page {
  padding: 4rem 0;
  background-color: var(--color-bg-primary);
}

.tool-page__header {
  margin-bottom: 2.5rem;
}

.tool-page__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.tool-page__description {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.tool-controls {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.tool-control-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.tool-control-group label {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.tool-control-group input[type="range"] {
  width: 150px;
}

.tool-control-group span {
  font-size: 0.875rem;
  color: var(--color-text-primary);
  font-weight: 600;
  min-width: 2rem;
}

.tool-select {
  padding: 0.5rem 1rem;
  font-size: 0.9375rem;
  font-family: var(--font-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tool-select:hover {
  border-color: var(--color-teal);
}

.tool-select:focus {
  outline: none;
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

.tool-btn {
  padding: 1rem 2rem;
  font-size: 1.0625rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-base);
  min-height: 48px;
}

.tool-btn--primary {
  background-color: var(--color-teal);
  color: #ffffff;
}

.tool-btn--primary:hover:not(:disabled) {
  background-color: var(--color-teal-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(13, 148, 136, 0.3);
}

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

.tool-btn--secondary:hover:not(:disabled) {
  background-color: var(--color-text-tertiary);
  color: #ffffff;
}

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

.tool-file-input {
  padding: 1rem 2rem;
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
  font-size: 1.0625rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid var(--color-border);
  min-height: 48px;
  display: inline-flex;
  align-items: center;
}

.tool-file-input:hover {
  background-color: var(--color-border);
}

/* ===================================
   Ambisonics Tool
   =================================== */

.ambisonics .ambisonics-status {
  margin-bottom: 1.5rem;
  padding: 0.75rem 1rem;
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.ambisonics-stage {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.25rem;
}

.ambisonics-stage canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  background: linear-gradient(140deg, rgba(15, 23, 42, 0.08), rgba(13, 148, 136, 0.08));
}

.ambisonics-meters {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.ambisonics-meter {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
}

.ambisonics-meter h2 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin: 0 0 0.75rem;
}

.ambisonics-controls .tool-control-group {
  flex-wrap: wrap;
}

.ambisonics-controls input[type="range"] {
  min-width: 140px;
}

.ambisonics-controls .tool-control-group span {
  min-width: 64px;
}

.ambisonics-seek {
  flex: 1 1 240px;
}

/* ===================================
   JSAmbisonics Tool
   =================================== */

.jsambisonics .jsambisonics-status {
  margin-bottom: 1.5rem;
  padding: 0.75rem 1rem;
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.jsambisonics-stage {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.25rem;
}

.jsambisonics-stage canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  background: linear-gradient(140deg, rgba(15, 23, 42, 0.08), rgba(13, 148, 136, 0.08));
}

.jsambisonics-readout {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.5rem 1rem;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.jsambisonics-meters {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.jsambisonics-meter {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
}

.jsambisonics-meter h2 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin: 0 0 0.75rem;
}

.jsambisonics-meter canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  background: linear-gradient(140deg, rgba(15, 23, 42, 0.08), rgba(13, 148, 136, 0.08));
}

.jsambisonics-controls .tool-control-group {
  flex-wrap: wrap;
}

.jsambisonics-controls input[type=\"range\"] {
  min-width: 140px;
}

.jsambisonics-controls .tool-control-group span {
  min-width: 64px;
}

.jsambisonics-seek {
  flex: 1 1 240px;
}

.jsambisonics-seekbar {
  margin-top: 1.5rem;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-white);
  padding: 0.85rem 1rem 1rem;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

.jsambisonics-seekbar-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
}

.jsambisonics-seekbar-time {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  text-transform: none;
}

.jsambisonics-waveform {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(160deg, rgba(15, 23, 42, 0.08), rgba(17, 94, 89, 0.12));
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.jsambisonics-waveform canvas {
  width: 100%;
  height: 170px;
  display: block;
}

.jsambisonics-seek-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.jsambisonics-toggle {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.jsambisonics-toggle .tool-btn.is-active {
  background-color: var(--color-teal);
  color: #ffffff;
}

.jsambisonics-controls .is-hidden {
  display: none;
}

.jsambisonics-sources {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.jsambisonics-panel {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1rem 1.1rem;
}

.jsambisonics-panel h3 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.jsambisonics-dropzone {
  border: 1.5px dashed var(--color-border);
  border-radius: 10px;
  padding: 1rem;
  text-align: center;
  color: var(--color-text-secondary);
  background-color: var(--color-bg-secondary);
  margin-bottom: 0.75rem;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.jsambisonics-dropzone.is-active {
  border-color: var(--color-teal);
  background-color: rgba(13, 148, 136, 0.08);
}

.jsambisonics-file-btn input[type=\"file\"] {
  display: none;
}

.jsambisonics-hint {
  margin: 0.75rem 0 0;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.jsambisonics-remote {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.jsambisonics-remote input {
  flex: 1 1 220px;
  min-width: 200px;
}

.ambisonics-sources {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.ambisonics-panel {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1rem 1.1rem;
}

.ambisonics-panel h3 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.ambisonics-dropzone {
  border: 1.5px dashed var(--color-border);
  border-radius: 10px;
  padding: 1rem;
  text-align: center;
  color: var(--color-text-secondary);
  background-color: var(--color-bg-secondary);
  margin-bottom: 0.75rem;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.ambisonics-dropzone.is-active {
  border-color: var(--color-teal);
  background-color: rgba(13, 148, 136, 0.08);
}

.ambisonics-file-btn input[type='file'] {
  display: none;
}

.ambisonics-hint {
  margin: 0.75rem 0 0;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.ambisonics-remote {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.ambisonics-remote input {
  flex: 1 1 220px;
  min-width: 200px;
}

.tool-canvas-container {
  margin-bottom: 2rem;
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5rem;
  position: relative;
}

.tool-canvas {
  width: 100%;
  display: block;
  border-radius: 4px;
}

.tool-cursor-tooltip {
  position: absolute;
  top: 0;
  left: 0;
  padding: 0.35rem 0.6rem;
  background: rgba(15, 118, 110, 0.9);
  color: #ffffff;
  font-size: 0.8125rem;
  border-radius: 6px;
  pointer-events: none;
  opacity: 0;
  transform: translate(0, 0);
  transition: opacity 0.1s ease;
  white-space: nowrap;
  z-index: 2;
}

.tool-peak-display {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.tool-peak-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tool-peak-label {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  font-weight: 500;
}

.ad-card {
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-white);
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  position: sticky;
  top: 96px;
}

.ad-card__header {
  padding: 0.75rem 1rem;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-secondary);
  background-color: var(--color-bg-secondary);
}

.ad-card__body {
  padding: 1.25rem;
}

.ad-card__placeholder {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  text-align: center;
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  padding: 1.5rem;
}

.tool-peak-value {
  font-size: 1.5rem;
  color: var(--color-teal-dark);
  font-weight: 700;
  font-family: 'Courier New', monospace;
}

.tool-info {
  padding: 1.5rem;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: 2rem;
}

.tool-info__text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: 0.75rem;
}

.tool-info__text:last-child {
  margin-bottom: 0;
}

.tool-info__text strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

.legal-note {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
}

.legal-list {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1rem 1.5rem;
  margin: 0;
}

.legal-list dt {
  font-weight: 600;
  color: var(--color-text-primary);
}

.legal-list dd {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .legal-list {
    grid-template-columns: 1fr;
  }
}

/* Tool recording section */
.tool-recording-section {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.tool-section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.tool-recording-controls {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.tool-recording-time {
  font-family: 'Courier New', monospace;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-teal-dark);
  padding: 0.5rem 1rem;
  background-color: var(--color-bg-secondary);
  border-radius: 4px;
}

.tool-upload-section {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.tool-upload-filename {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  font-style: italic;
}

.tool-audio-playback {
  padding: 1rem;
  background-color: var(--color-bg-secondary);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tool-audio-playback audio {
  width: 100%;
  border-radius: 4px;
}

.tool-loop-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  user-select: none;
}

.tool-loop-checkbox input[type="checkbox"] {
  cursor: pointer;
  width: 18px;
  height: 18px;
  accent-color: var(--color-teal);
}

.tool-loop-checkbox:hover {
  color: var(--color-text-primary);
}

/* ===================================
   Field Recording Logger
   =================================== */

.logger-form {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 2rem;
}

.logger-form__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 1.5rem;
}

.logger-form__row {
  margin-bottom: 1.5rem;
}

.logger-form__row--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.logger-form__col {
  display: flex;
  flex-direction: column;
}

.logger-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.logger-input,
.logger-textarea,
.logger-select {
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: var(--font-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  transition: all 0.2s ease;
}

.logger-input:focus,
.logger-textarea:focus,
.logger-select:focus {
  outline: none;
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

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

.logger-status {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-left: 1rem;
}

.logger-form__actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.logger-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.logger-list {
  margin-bottom: 2rem;
}

.logger-list__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 1.5rem;
}

.logger-list__items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.logger-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-text-tertiary);
  font-size: 1rem;
}

.logger-card {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5rem;
  transition: all 0.2s ease;
}

.logger-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.logger-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.logger-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
}

.logger-card__delete {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem;
  opacity: 0.6;
  transition: opacity 0.2s ease;
}

.logger-card__delete:hover {
  opacity: 1;
}

.logger-card__date {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  margin-bottom: 0.75rem;
}

.logger-card__location {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
}

.logger-card__location a {
  color: var(--color-teal);
  text-decoration: none;
  transition: color 0.2s ease;
}

.logger-card__location a:hover {
  color: var(--color-teal-dark);
  text-decoration: underline;
}

.logger-card__accuracy {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  margin-left: 0.5rem;
}

.logger-card__notes {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0.75rem;
  padding: 0.75rem;
  background-color: var(--color-bg-secondary);
  border-radius: 4px;
}

.logger-card__meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.logger-card__meta-item {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  padding: 0.25rem 0.75rem;
  background-color: var(--color-bg-secondary);
  border-radius: 4px;
}

.logger-card__tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.logger-tag {
  font-size: 0.8125rem;
  color: var(--color-teal-dark);
  background-color: rgba(13, 148, 136, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-weight: 500;
}

/* Take number display */
.logger-take-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background-color: var(--color-bg-secondary);
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.logger-take-prefix {
  font-weight: 600;
  color: var(--color-text-secondary);
}

.logger-take-input {
  width: 70px;
  padding: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: var(--color-bg-white);
  color: var(--color-text-primary);
  text-align: center;
  transition: all 0.2s ease;
}

.logger-take-input:focus {
  outline: none;
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

.logger-take-reset {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  color: var(--color-text-tertiary);
  transition: all 0.2s ease;
  border-radius: 4px;
}

.logger-take-reset:hover {
  background-color: var(--color-border);
  color: var(--color-text-primary);
}

/* Recording section */
.logger-recording-section {
  background-color: rgba(13, 148, 136, 0.05);
  border: 1px dashed var(--color-teal);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.logger-section__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logger-recording-time {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-teal-dark);
  font-family: 'Courier New', monospace;
  padding: 0.75rem 1rem;
  background-color: var(--color-bg-secondary);
  border-radius: 6px;
  display: inline-block;
}

/* Audio preview */
.logger-audio-preview {
  margin-top: 1rem;
  padding: 1rem;
  background-color: var(--color-bg-secondary);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.logger-audio-preview audio {
  width: 100%;
  border-radius: 4px;
}

/* Voice input button */
.logger-voice-btn {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--color-text-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.logger-voice-btn:hover {
  background-color: var(--color-teal);
  color: white;
  border-color: var(--color-teal);
}

.logger-voice-btn:active {
  background-color: var(--color-teal-dark);
  border-color: var(--color-teal-dark);
}

/* Recording visualization */
.logger-visualization {
  margin-top: 1.5rem;
  padding: 1rem;
  background-color: var(--color-bg-white);
  border-radius: 6px;
  border: 1px solid var(--color-border);
}

.logger-visualization__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
  margin-top: 1rem;
}

.logger-visualization__label:first-child {
  margin-top: 0;
}

.logger-visualization__canvas {
  width: 100%;
  height: 120px;
  border-radius: 4px;
  background-color: var(--color-bg-secondary);
}

/* Download options */
.logger-download-options {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.logger-select--small {
  flex: 0 0 auto;
  min-width: 150px;
}

/* Stopwatch */
.logger-stopwatch {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 2rem;
}

.logger-stopwatch__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 1.5rem;
}

.logger-stopwatch__display {
  background: linear-gradient(135deg, var(--color-teal) 0%, #0F766E 100%);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  text-align: center;
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.2);
}

.logger-stopwatch__time {
  font-size: 3.5rem;
  font-weight: 700;
  color: white;
  font-family: 'Courier New', 'Consolas', monospace;
  letter-spacing: 0.05em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.logger-stopwatch__controls {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.logger-stopwatch__laps {
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
  margin-top: 1.5rem;
}

.logger-stopwatch__laps-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
}

.logger-stopwatch__laps-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 300px;
  overflow-y: auto;
}

.logger-stopwatch__lap-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background-color: var(--color-bg-secondary);
  border-radius: 6px;
  font-size: 0.9375rem;
  align-items: center;
}

.logger-stopwatch__lap-number {
  font-weight: 600;
  color: var(--color-text-secondary);
}

.logger-stopwatch__lap-time {
  font-family: 'Courier New', monospace;
  font-weight: 600;
  color: var(--color-teal-dark);
  text-align: right;
}

.logger-stopwatch__lap-total {
  font-family: 'Courier New', monospace;
  color: var(--color-text-tertiary);
  font-size: 0.875rem;
  text-align: right;
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
  .nav__menu {
    gap: 1rem;
  }

  .nav__link {
    font-size: 0.875rem;
  }

  .hero {
    padding: 3rem 0;
  }

  .section {
    padding: 3rem 0;
  }

  .activity-list {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .product-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer {
    padding: 2rem 0 1.5rem;
  }

  .logger-stopwatch__time {
    font-size: 2.5rem;
  }
}

@media (max-width: 480px) {
  .nav__container {
    flex-direction: column;
    gap: 0.75rem;
  }

  .nav__menu {
    gap: 0.75rem;
    font-size: 0.8125rem;
  }

  .hero__container,
  .section__container,
  .footer__container {
    padding: 0 1rem;
  }

  .hero {
    padding: 2rem 0;
  }

  .section {
    padding: 2.5rem 0;
  }

  .principles {
    gap: 1.25rem;
  }

  .logger-stopwatch__time {
    font-size: 2rem;
  }

  .logger-stopwatch__controls {
    flex-direction: column;
  }

  .logger-stopwatch__controls .tool-btn {
    width: 100%;
  }
}

/* ===================================
   EQ Optimizer Specific Styles
   =================================== */

.tool-workflow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.tool-workflow-step {
  background: var(--color-bg-white);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.tool-workflow-step--active {
  border-color: var(--color-teal);
  background: #f0fdfa;
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.15);
}

.tool-workflow-step--complete {
  border-color: #10B981;
  background: #f0fdf4;
}

.tool-workflow-step__number {
  display: inline-block;
  background: var(--color-teal);
  color: white;
  font-weight: 700;
  font-size: 0.875rem;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

.tool-workflow-step--complete .tool-workflow-step__number {
  background: #10B981;
}

.tool-workflow-step__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.tool-workflow-step__description {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

.tool-section {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 2rem;
}

.tool-section-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
}

.tool-section-description {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

.tool-subsection-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.tool-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1rem;
  padding: 1rem;
  background: var(--color-bg-secondary);
  border-radius: 6px;
}

.tool-legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.tool-legend-color {
  display: inline-block;
  width: 24px;
  height: 3px;
  border-radius: 2px;
}

.tool-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.tool-table thead {
  background: var(--color-bg-secondary);
}

.tool-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  border-bottom: 2px solid var(--color-border);
}

.tool-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-secondary);
}

.tool-table tbody tr:hover {
  background: var(--color-bg-secondary);
}

.tool-eq-section {
  margin-top: 2rem;
}

.tool-eq-bar-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 4px;
  padding: 2rem 1rem;
  background: var(--color-bg-secondary);
  border-radius: 6px;
  min-height: 300px;
  overflow-x: auto;
}

.tool-eq-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  min-width: 28px;
}

.tool-eq-bar-value {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-primary);
  white-space: nowrap;
}

.tool-eq-bar-visual {
  width: 100%;
  height: 200px;
  background: #E7E5E4;
  border-radius: 3px;
  position: relative;
  overflow: hidden;
}

.tool-eq-bar-fill {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(to top, #0D9488, #14B8A6);
  transition: height 0.3s ease;
}

.tool-eq-bar-label {
  font-size: 0.625rem;
  color: var(--color-text-tertiary);
  writing-mode: horizontal-tb;
  transform: rotate(-45deg);
  white-space: nowrap;
}

.tool-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--color-bg-secondary);
  border-radius: 6px;
}

.tool-status-label {
  font-weight: 600;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* Responsive adjustments for EQ optimizer */
@media (max-width: 768px) {
  .tool-workflow {
    grid-template-columns: 1fr;
  }

  .tool-eq-bar-container {
    padding: 1rem 0.5rem;
    min-height: 250px;
  }

  .tool-eq-bar-visual {
    height: 150px;
  }

  .tool-legend {
    flex-direction: column;
    gap: 0.75rem;
  }
}

/* ===================================
   Sound Walk Recorder Specific Styles
   =================================== */

.tool-map {
  width: 100%;
  height: 500px;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid var(--color-border);
}

.tool-gps-status {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--color-bg-secondary);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tool-gps-indicator {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.tool-gps-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #94A3B8;
  display: inline-block;
}

.tool-gps-dot--searching {
  background: #F59E0B;
  animation: pulse 1.5s ease-in-out infinite;
}

.tool-gps-dot--active {
  background: #10B981;
}

.tool-gps-dot--error {
  background: #DC2626;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.tool-gps-info {
  display: flex;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.tool-saved-walks {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tool-empty-state {
  text-align: center;
  color: var(--color-text-tertiary);
  padding: 2rem;
  font-style: italic;
}

.tool-walk-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: all 0.2s ease;
}

.tool-walk-card:hover {
  border-color: var(--color-teal);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.1);
}

.tool-walk-card__info {
  flex: 1;
}

.tool-walk-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.tool-walk-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.tool-walk-card__btn {
  flex-shrink: 0;
  margin-left: 1rem;
}

.tool-walk-info h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
}

.tool-walk-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

.tool-timeline {
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: var(--color-bg-secondary);
  border-radius: 8px;
}

.tool-timeline-canvas {
  width: 100%;
  height: 60px;
  margin-bottom: 1rem;
}

.tool-timeline-slider {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  outline: none;
  background: var(--color-border);
  -webkit-appearance: none;
  appearance: none;
  margin-bottom: 0.5rem;
}

.tool-timeline-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-teal);
  cursor: pointer;
  transition: all 0.2s ease;
}

.tool-timeline-slider::-webkit-slider-thumb:hover {
  background: var(--color-teal-dark);
  transform: scale(1.2);
}

.tool-timeline-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-teal);
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.tool-timeline-slider::-moz-range-thumb:hover {
  background: var(--color-teal-dark);
  transform: scale(1.2);
}

.tool-timeline-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 600;
}

.tool-btn--danger {
  background: #DC2626;
  color: white;
}

.tool-btn--danger:hover {
  background: #B91C1C;
}

.tool-map-marker-start,
.tool-map-marker-end {
  background: white;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  white-space: nowrap;
}

.tool-map-marker-start {
  color: #10B981;
  border: 2px solid #10B981;
}

.tool-map-marker-end {
  color: #DC2626;
  border: 2px solid #DC2626;
}

/* Playback marker with pulse animation */
.playback-marker-container {
  background: transparent !important;
  border: none !important;
}

.playback-marker {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: var(--pulse-size, 20px);
  height: var(--pulse-size, 20px);
  background-color: var(--marker-color, #EF4444);
  border-radius: 50%;
  border: 3px solid white;
  box-shadow: 0 0 0 0 var(--marker-color, #EF4444);
  animation: pulse-animation 1.5s ease-out infinite;
}

@keyframes pulse-animation {
  0% {
    box-shadow: 0 0 0 0 var(--marker-color);
    opacity: 1;
  }
  50% {
    box-shadow: 0 0 0 calc(var(--pulse-size, 20px) * 0.5) transparent;
    opacity: 0.8;
  }
  100% {
    box-shadow: 0 0 0 calc(var(--pulse-size, 20px) * 0.8) transparent;
    opacity: 1;
  }
}

/* Interactive track segments */
.interactive-track-segment {
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.interactive-track-segment:hover {
  opacity: 1 !important;
  filter: brightness(1.2);
}

/* Responsive adjustments for Sound Walk Recorder */
@media (max-width: 768px) {
  .tool-map {
    height: 400px;
  }

  .tool-walk-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .tool-walk-card__btn {
    margin-left: 0;
    margin-top: 1rem;
    width: 100%;
  }

  .tool-walk-card__meta {
    flex-direction: column;
    gap: 0.5rem;
  }

  .tool-walk-stats {
    flex-direction: column;
    gap: 0.5rem;
  }

  .tool-gps-info {
    flex-direction: column;
    gap: 0.5rem;
  }
}

/* ===================================
   Accessibility
   =================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 2px solid #1a1a1a;
  outline-offset: 2px;
}

/* Skip to main content link (for screen readers) */
.skip-to-main {
  position: absolute;
  left: -9999px;
  z-index: 999;
}

.skip-to-main:focus {
  left: 0;
  top: 0;
  background: #1a1a1a;
  color: #ffffff;
  padding: 1rem;
  text-decoration: none;
}

/* ===================================
   Sonic Field - Multi-track & Spots
   =================================== */

/* Mixer Styles */
.tool-mixer {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
  background: var(--color-bg-secondary);
  border-radius: 8px;
}

.mixer-track {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--color-bg-primary);
  border-radius: 6px;
}

.mixer-track__header {
  padding-left: 0.75rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.mixer-track__name {
  font-size: 0.9375rem;
}

.mixer-track__controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mixer-track__volume {
  flex: 1;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--color-border);
  border-radius: 3px;
  outline: none;
}

.mixer-track__volume::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: var(--color-teal);
  border-radius: 50%;
  cursor: pointer;
}

.mixer-track__volume::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: var(--color-teal);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

.mixer-track__volume-value {
  min-width: 3rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-align: right;
}

.tool-btn--small {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  min-width: 2.5rem;
}

.tool-btn--active {
  background: var(--color-teal);
  color: white;
}

.tool-section-subtitle {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
}

/* Walk Card with Checkbox */
.tool-walk-checkbox {
  width: 20px;
  height: 20px;
  margin-right: 1rem;
  cursor: pointer;
  accent-color: var(--color-teal);
}

/* Spot Styles */
.tool-spots-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tool-spot-card {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--color-bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  transition: all 0.2s ease;
}

.tool-spot-card:hover {
  border-color: var(--color-teal);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.tool-spot-card__info {
  flex: 1;
}

.tool-spot-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.tool-spot-card__category {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-teal);
  color: white;
  font-size: 0.75rem;
  border-radius: 12px;
  margin-bottom: 0.5rem;
}

.tool-spot-card__description {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.tool-spot-card__coords {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  font-family: 'Courier New', Courier, monospace;
}

/* Spot Marker Styles */
.spot-marker {
  background: transparent;
  border: none;
}

.spot-marker-icon {
  font-size: 24px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.spot-popup {
  padding: 0.5rem;
}

.spot-popup h4 {
  margin: 0 0 0.5rem 0;
  color: var(--color-text-primary);
  font-size: 1rem;
}

.spot-category {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  background: var(--color-teal);
  color: white;
  font-size: 0.75rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
}

.spot-popup p {
  margin: 0.5rem 0;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.spot-delete-btn {
  margin-top: 0.5rem;
}

/* Responsive adjustments for new features */
@media (max-width: 768px) {
  .mixer-track__controls {
    flex-wrap: wrap;
  }

  .mixer-track__volume {
    width: 100%;
    order: 3;
  }

  .tool-spot-card {
    flex-direction: column;
  }

  .tool-spot-card button {
    width: 100%;
  }
}

/* ===================================
   Tab Navigation
   =================================== */

.sonic-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.sonic-tab {
  flex-shrink: 0;
  padding: 0.75rem 1.5rem;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.sonic-tab:hover {
  color: var(--color-teal);
  background: var(--color-bg-secondary);
}

.sonic-tab--active {
  color: var(--color-teal);
  border-bottom-color: var(--color-teal);
  font-weight: 600;
}

.sonic-mode {
  display: none;
}

.sonic-mode--active {
  display: block;
}

/* ===================================
   Recording Monitoring
   =================================== */

.recording-monitor {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--color-bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.level-meters {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.level-meter {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.level-meter__label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-primary);
  width: 20px;
  text-align: center;
}

.level-meter__canvas {
  flex: 1;
  max-width: 300px;
  height: 30px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  background: #1a1a1a;
}

.level-meter__value {
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  min-width: 60px;
  text-align: right;
}

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

.spectrum-analyzer__label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-primary);
}

.spectrum-analyzer__canvas {
  width: 100%;
  max-width: 600px;
  height: 150px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  background: #1a1a1a;
}

.clipping-warning {
  padding: 0.75rem 1rem;
  background: #EF4444;
  color: white;
  border-radius: 6px;
  font-weight: 600;
  text-align: center;
  animation: pulse 0.5s ease-in-out infinite alternate;
}

@keyframes pulse {
  from {
    opacity: 0.8;
  }
  to {
    opacity: 1;
  }
}

/* ===================================
   Trails
   =================================== */

.trail-builder {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.trail-waypoints {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--color-bg-secondary);
  border-radius: 8px;
  max-height: 400px;
  overflow-y: auto;
}

.trail-waypoint-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  background: var(--color-bg-primary);
  border-radius: 6px;
  border: 1px solid var(--color-border);
}

.trail-waypoint-item__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--color-teal);
  color: white;
  border-radius: 50%;
  font-weight: 600;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.trail-waypoint-item__coords {
  flex: 1;
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.trail-waypoint-remove {
  flex-shrink: 0;
}

.trail-distance {
  padding: 0.75rem;
  background: var(--color-teal);
  color: white;
  border-radius: 6px;
  text-align: center;
  font-weight: 600;
}

.trail-waypoint-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
}

.trail-waypoint-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: #8B5CF6;
  color: white;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.875rem;
  box-shadow: 0 2px 8px rgba(139, 92, 246, 0.4);
}

.tool-trail-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--color-bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.tool-trail-card:hover {
  border-color: var(--color-teal);
  box-shadow: 0 2px 8px rgba(13, 148, 136, 0.1);
}

.tool-trail-card__info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tool-trail-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.tool-trail-card__description {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.tool-trail-card__meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

.tool-trail-card__actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ===================================
   Statistics
   =================================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--color-bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
  border-color: var(--color-teal);
  box-shadow: 0 2px 8px rgba(13, 148, 136, 0.1);
}

.stat-card__icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.stat-card__content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
}

.stat-card__label {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  font-weight: 500;
}

.stat-card__value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-teal);
  line-height: 1;
}

.top-location-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--color-bg-secondary);
  border-radius: 6px;
  border: 1px solid var(--color-border);
  margin-bottom: 0.75rem;
}

.top-location-rank {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-teal);
  color: white;
  border-radius: 50%;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.top-location-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.top-location-coords {
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  color: var(--color-text-primary);
  font-weight: 500;
}

.top-location-count {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
}

.volume-distribution-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.volume-distribution-label {
  width: 60px;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  flex-shrink: 0;
}

.volume-distribution-bar-container {
  flex: 1;
  height: 28px;
  background: var(--color-bg-secondary);
  border-radius: 4px;
  overflow: hidden;
}

.volume-distribution-bar-fill {
  height: 100%;
  transition: width 0.3s ease;
}

.volume-distribution-value {
  width: 100px;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-align: right;
  flex-shrink: 0;
}

/* ===================================
   Heatmap
   =================================== */

.heatmap-legend {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding: 1rem;
  background: var(--color-bg-secondary);
  border-radius: 6px;
}

.heatmap-legend__label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.heatmap-legend__gradient {
  flex: 1;
  height: 20px;
  background: linear-gradient(to right, #3B82F6, #06B6D4, #10B981, #F59E0B, #EF4444);
  border-radius: 4px;
}

.heatmap-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.heatmap-stat-item {
  padding: 0.75rem;
  background: var(--color-bg-secondary);
  border-radius: 6px;
  text-align: center;
}

.heatmap-stat-item__label {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  margin-bottom: 0.25rem;
}

.heatmap-stat-item__value {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-teal);
}

/* ===================================
   Responsive - Tabs & New Features
   =================================== */

@media (max-width: 768px) {
  .sonic-tabs {
    gap: 0.25rem;
  }

  .sonic-tab {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-card__value {
    font-size: 1.5rem;
  }

  .trail-waypoint-item {
    flex-wrap: wrap;
  }

  .tool-trail-card__actions {
    flex-direction: column;
  }

  .tool-trail-card__actions .tool-btn {
    width: 100%;
  }

  .volume-distribution-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .volume-distribution-value {
    width: auto;
    text-align: left;
  }

  .heatmap-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===================================
   Audio Converter
   =================================== */

.tool-upload-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  border: 2px dashed var(--color-border);
  border-radius: 12px;
  background: transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.tool-upload-area:hover {
  border-color: var(--color-teal);
  background: rgba(13, 148, 136, 0.05);
}

.tool-upload-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.tool-upload-text p {
  margin: 0.5rem 0;
  color: var(--color-text-primary);
}

.tool-upload-hint {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.tool-upload-filename {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--color-teal);
  font-weight: 500;
}

.audio-file-info {
  padding: 1.5rem;
  background: var(--color-bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

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

.file-info-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.file-info-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.file-info-value {
  font-size: 1rem;
  color: var(--color-text-primary);
  font-weight: 600;
}

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

.tool-control-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.tool-control-hint {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.conversion-progress {
  padding: 1.5rem;
  background: var(--color-bg-secondary);
  border-radius: 8px;
}

.progress-bar-container {
  width: 100%;
  height: 12px;
  background: var(--color-bg-primary);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-teal), #10B981);
  border-radius: 6px;
  transition: width 0.3s ease;
  width: 0%;
}

.progress-text {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0;
}

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

.download-message {
  font-size: 1.125rem;
  color: var(--color-text-primary);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.download-result .tool-controls {
  flex-wrap: wrap;
  justify-content: center;
}

/* Responsive */
@media (max-width: 768px) {
  .tool-upload-area {
    padding: 2rem 1rem;
  }

  .file-info-grid {
    grid-template-columns: 1fr;
  }

  .download-result .tool-controls {
    flex-direction: column;
  }

  .download-result .tool-controls a {
    width: 100%;
    margin: 0 0 0.5rem 0 !important;
  }
}

/* ===================================
   Tool Cards - Visual Grid
   =================================== */

/* PC: 2 columns */
@media (min-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

/* Tablet: 2 columns */
@media (min-width: 768px) and (max-width: 1023px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

/* Mobile: 1 column */
@media (max-width: 767px) {
  .card-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* Tool card specific styles */
.card--tool {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card--tool .card__image {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--color-teal), var(--color-teal-light));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

/* If real image exists */
.card--tool .card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.card--tool:hover .card__image img {
  transform: scale(1.05);
}

/* Icon fallback */
.card--tool .card__icon {
  font-size: 4rem;
  line-height: 1;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
  transition: transform 0.3s ease;
}

.card--tool:hover .card__icon {
  transform: scale(1.1) rotate(5deg);
}

.card--tool .card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
}

.card--tool .card__title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.card--tool .card__tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.card--tool .card__description {
  flex: 1;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
}

.card--tool .card__link {
  align-self: flex-start;
  font-weight: 600;
  color: var(--color-teal);
  text-decoration: none;
  transition: color 0.2s ease;
  margin-top: auto;
}

.card--tool .card__link:hover {
  color: var(--color-teal-dark);
}

/* Gradient variations for different tools */
.card--tool:nth-child(1) .card__image {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.card--tool:nth-child(2) .card__image {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.card--tool:nth-child(3) .card__image {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.card--tool:nth-child(4) .card__image {
  background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.card--tool:nth-child(5) .card__image {
  background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.card--tool:nth-child(6) .card__image {
  background: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
}

.card--tool:nth-child(7) .card__image {
  background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.card--tool:nth-child(8) .card__image {
  background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
}

.card--tool:nth-child(9) .card__image {
  background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}

/* ===================================
   Audio Editor Styles
   =================================== */

/* Editor Toolbar */
.editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1rem;
  background: var(--color-bg-secondary);
  border-radius: 8px;
}

.toolbar-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tool-btn--small {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

/* Waveform Display */
.waveform-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 1rem;
  padding: 1rem;
  background: var(--color-bg-secondary);
  border-radius: 8px;
}

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

.zoom-controls label {
  font-weight: 500;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.zoom-controls span {
  min-width: 50px;
  text-align: center;
  font-weight: 600;
  color: var(--color-teal);
}

.waveform-container {
  border: 2px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  background: #1a1a1a;
}

.time-ruler-canvas {
  display: block;
  width: 100%;
  background: #2a2a2a;
  border-bottom: 1px solid #444;
}

.waveform-scroll-container {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x;
}

.waveform-canvas {
  display: block;
  cursor: crosshair;
  background: #1a1a1a;
}

.selection-info {
  padding: 0.75rem 1rem;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.selection-info span {
  font-weight: 600;
  color: var(--color-teal);
}

/* Playback Controls */
.playback-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.playback-info {
  margin-left: auto;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  font-family: monospace;
}

/* Tool Slider */
.tool-slider {
  width: 100%;
  max-width: 300px;
  height: 6px;
  border-radius: 3px;
  background: var(--color-bg-secondary);
  outline: none;
  -webkit-appearance: none;
}

.tool-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-teal);
  cursor: pointer;
  transition: all 0.2s ease;
}

.tool-slider::-webkit-slider-thumb:hover {
  background: var(--color-teal-dark);
  transform: scale(1.1);
}

.tool-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-teal);
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.tool-slider::-moz-range-thumb:hover {
  background: var(--color-teal-dark);
  transform: scale(1.1);
}

.tool-input {
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 1rem;
  font-family: var(--font-base);
}

.tool-input:focus {
  outline: none;
  border-color: var(--color-teal);
}

/* Audio Processing Controls */
.audio-control-group {
  margin-bottom: 1.5rem;
}

.audio-control-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.label-text {
  font-weight: 500;
  color: var(--color-text-secondary);
}

.label-value {
  font-weight: 600;
  color: var(--color-teal);
  min-width: 60px;
  text-align: right;
  font-family: monospace;
}

.eq-bands {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.eq-band {
  padding: 1rem;
  background: var(--color-bg-secondary);
  border-radius: 8px;
}

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

.dynamics-param {
  display: flex;
  flex-direction: column;
}

.limiter-row {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.audio-control-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.5rem 0;
}

.audio-control-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* Level Meters */
.meters-container {
  padding: 1.5rem;
  background: var(--color-bg-secondary);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.meter-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

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

.meter-label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

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

.meter-bar-container {
  flex: 1;
  height: 24px;
  background: #2a2a2a;
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.meter-bar {
  height: 100%;
  background: linear-gradient(90deg, #10B981 0%, #F59E0B 70%, #EF4444 90%);
  width: 0%;
  transition: width 0.1s ease;
  position: relative;
}

.meter-bar::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: white;
  box-shadow: 0 0 4px rgba(255, 255, 255, 0.8);
}

.meter-value {
  min-width: 90px;
  font-family: monospace;
  font-weight: 600;
  color: var(--color-teal);
  font-size: 0.875rem;
  text-align: right;
}

/* Responsive Design for Audio Editor */
@media (max-width: 768px) {
  .editor-toolbar {
    gap: 0.5rem;
  }

  .toolbar-group {
    width: 100%;
    justify-content: center;
  }

  .waveform-controls {
    flex-direction: column;
    gap: 1rem;
  }

  .playback-controls {
    flex-direction: column;
  }

  .playback-info {
    margin-left: 0;
    width: 100%;
    text-align: center;
  }

  .eq-bands {
    grid-template-columns: 1fr;
  }

  .dynamics-row {
    grid-template-columns: 1fr;
  }

  .meter-group {
    grid-template-columns: 1fr;
  }

  .limiter-row {
    flex-direction: column;
  }
}

/* ===== Shop Styles ===== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }
}

@media (max-width: 960px) {
  .tools-layout {
    grid-template-columns: 1fr;
  }

  .ad-card {
    position: static;
  }
}

.shop-section {
  margin-bottom: 4rem;
}

.shop-section-title {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

/* Shop Filters */
.shop-filters {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1rem;
  border: 2px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.875rem;
}

.filter-btn:hover {
  border-color: var(--color-teal);
  background: var(--color-teal);
  color: white;
}

.filter-btn--active {
  border-color: var(--color-teal);
  background: var(--color-teal);
  color: white;
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

/* Product Card */
.product-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.product-card__image {
  position: relative;
  width: 100%;
  padding-top: 66.67%; /* 3:2 aspect ratio */
  background: var(--color-bg);
  overflow: hidden;
}

.product-card__image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.product-badge--digital {
  background: var(--color-teal);
  color: white;
}

.product-badge--out-of-stock {
  background: #EF4444;
  color: white;
}

.product-card__body {
  padding: 1.5rem;
}

.product-card__title {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.product-card__description {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.product-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.product-card__price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-teal);
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn--primary {
  background: var(--color-teal);
  color: white;
  border: none;
}

.btn--primary:hover:not(:disabled) {
  background: #0D9488;
  transform: translateY(-2px);
}

.btn--primary:disabled {
  background: var(--color-border);
  color: var(--color-text-secondary);
  cursor: not-allowed;
}

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-teal);
  color: var(--color-teal);
}

/* Shop Info */
.shop-info {
  padding: 2rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  margin-top: 3rem;
}

.shop-info h3 {
  margin-bottom: 1rem;
  color: var(--color-text);
}

.shop-info ul {
  list-style: none;
  padding: 0;
}

.shop-info li {
  padding: 0.5rem 0;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Success Page */
.success-page {
  max-width: 600px;
  margin: 4rem auto;
  text-align: center;
  padding: 2rem;
}

.success-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 2rem;
  background: var(--color-teal);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.success-title {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.success-message {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.success-info {
  text-align: left;
  padding: 2rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  margin-bottom: 2rem;
}

.success-info h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.success-info ul {
  list-style: disc;
  padding-left: 1.5rem;
}

.success-info li {
  margin-bottom: 0.75rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.success-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 768px) {
  .products-grid {
    grid-template-columns: 1fr;
  }

  .product-card__footer {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .shop-filters {
    justify-content: center;
  }
}

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

.share-buttons {
  margin: 2rem 0;
  padding: 2rem;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.share-buttons__label {
  margin: 0 0 1rem 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-align: center;
}

.share-buttons__list {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.share-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  background-color: var(--color-background);
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.share-button:hover {
  background-color: var(--color-background-secondary);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.share-button:active {
  transform: translateY(0);
}

.share-button svg {
  flex-shrink: 0;
}

.share-button--twitter:hover {
  background-color: #000;
  border-color: #000;
  color: #fff;
}

.share-button--facebook:hover {
  background-color: #1877F2;
  border-color: #1877F2;
  color: #fff;
}

.share-button--hatena:hover {
  background-color: #00A4DE;
  border-color: #00A4DE;
  color: #fff;
}

.share-button--copy:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.share-button--copy.copied {
  background-color: #10B981;
  border-color: #10B981;
  color: #fff;
}

@media (max-width: 640px) {
  .share-buttons {
    padding: 1.5rem 1rem;
  }

  .share-button__text {
    display: none;
  }

  .share-button {
    padding: 0.625rem;
    min-width: 44px;
    justify-content: center;
  }
}

/* ==========================================
   RSS Link
   ========================================== */

.rss-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  background-color: var(--color-background);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
}

.rss-link:hover {
  background-color: #FF6600;
  border-color: #FF6600;
  color: #fff;
  transform: translateY(-1px);
}

.rss-link svg {
  flex-shrink: 0;
}

/* ==========================================
   Search
   ========================================== */

/* Search button in navigation */
.nav__search-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  background: transparent;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  border-radius: 0.375rem;
  transition: all 0.2s ease;
}

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

/* Search modal */
.search-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.75);
  z-index: 9999;
  padding: 2rem;
  overflow-y: auto;
}

.search-modal.active {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
}

.search-modal__content {
  width: 100%;
  max-width: 600px;
  background-color: var(--color-background);
  border-radius: 0.75rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  overflow: hidden;
}

.search-modal__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.search-modal__input {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  font-size: 1rem;
  font-family: 'Noto Sans JP', sans-serif;
  background-color: var(--color-background);
  color: var(--color-text);
}

.search-modal__input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.search-modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  border-radius: 0.375rem;
  transition: all 0.2s ease;
}

.search-modal__close:hover {
  background-color: var(--color-background-secondary);
  color: var(--color-text);
}

/* Search results */
.search-results {
  max-height: 60vh;
  overflow-y: auto;
}

.search-result {
  display: block;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  color: var(--color-text);
  transition: background-color 0.2s ease;
}

.search-result:hover {
  background-color: var(--color-background-secondary);
}

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

.search-result__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.search-result__type {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  background-color: var(--color-primary);
  color: #fff;
}

.search-result__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.search-result__desc {
  margin: 0.5rem 0 0 0;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.search-result__meta {
  margin: 0.5rem 0 0 0;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.search-no-results {
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--color-text-secondary);
}

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

  .search-modal.active {
    padding-top: 5vh;
  }

  .search-modal__header {
    padding: 1rem;
  }

  .search-result {
    padding: 1rem;
  }
}