/* ===========================
   Reset & Base Styles
   =========================== */
:root {
  --color-bg-body: #121212;
  --color-bg-card: #1e1e1e;
  --color-bg-header: #000000;
  --color-text-main: #e0e0e0;
  --color-text-muted: #a0a0a0;
  --color-accent-gold: #c5a059;
  --color-accent-gold-light: #e6c88b;
  --color-accent-red: #8a1c1c;
  --color-border: #333333;

  --font-serif: 'Noto Serif JP', serif;
  --font-sans: 'Noto Sans JP', sans-serif;
}

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

body {
  font-family: var(--font-sans);
  line-height: 1.8;
  color: var(--color-text-main);
  background-color: var(--color-bg-body);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent-gold);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--color-accent-gold-light);
  text-decoration: none;
}

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

/* ===========================
   Container
   =========================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===========================
   Header
   =========================== */
header {
  background: var(--color-bg-header);
  color: var(--color-accent-gold);
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

header h1 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-align: center;
}

header h1 a {
  color: var(--color-accent-gold);
}

header .tagline {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 0.5rem;
  letter-spacing: 0.1em;
}

/* ===========================
   Navigation (Age/Category)
   =========================== */
.age-navigation {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  padding: 2rem 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2rem;
}

.age-link {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  /* Sharp corners for premium feel */
  font-family: var(--font-serif);
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.age-link:hover,
.age-link.active {
  color: var(--color-bg-header);
  background: var(--color-accent-gold);
  border-color: var(--color-accent-gold);
  transform: translateY(-2px);
}

/* ===========================
   Tab Navigation
   =========================== */
.tab-container {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1px;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  padding: 0.5rem 2rem;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.3s ease;
}

.tab-btn:hover {
  color: var(--color-accent-gold);
}

.tab-btn.active {
  color: var(--color-accent-gold);
  border-bottom-color: var(--color-accent-gold);
}

/* ===========================
   Main Content
   =========================== */
main {
  min-height: calc(100vh - 300px);
  padding: 2rem 0;
}

h2 {
  font-family: var(--font-serif);
  color: var(--color-accent-gold);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  border-left: 3px solid var(--color-accent-gold);
  padding-left: 1rem;
  letter-spacing: 0.05em;
}

/* ===========================
   Items Grid
   =========================== */
.items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.item-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  cursor: pointer;
}

.item-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  border-color: var(--color-accent-gold);
}

.item-card-image-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}

.item-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.item-card:hover .item-card-image {
  transform: scale(1.05);
}

.age-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 4px 10px;
  background: rgba(0, 0, 0, 0.8);
  color: var(--color-accent-gold);
  border: 1px solid var(--color-accent-gold);
  font-family: var(--font-serif);
  font-size: 0.75rem;
  z-index: 10;
  border-radius: 2px;
}

.item-card-body {
  padding: 1.25rem;
}

.item-card-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--color-text-main);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.item-card-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
}

.item-card-actresses {
  font-size: 0.9rem;
  color: var(--color-accent-gold);
  font-weight: 500;
}

.item-card-price {
  font-size: 0.9rem;
  color: var(--color-text-main);
  font-weight: 600;
  margin-top: 0.5rem;
  text-align: right;
}

/* ===========================
   Item Detail
   =========================== */
.item-detail {
  background: var(--color-bg-card);
  padding: 3rem;
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

.item-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-accent-gold);
  margin-bottom: 2rem;
  line-height: 1.4;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1.5rem;
}

.item-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 768px) {
  .item-main {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .item-detail {
    padding: 1.5rem;
  }

  .item-title {
    font-size: 1.5rem;
  }
}

.item-thumb img {
  width: 100%;
  border-radius: 2px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.item-info dl {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.item-info dt {
  color: var(--color-text-muted);
  font-weight: normal;
}

.item-info dd {
  color: var(--color-text-main);
}

.theme-tag {
  display: inline-block;
  background: rgba(197, 160, 89, 0.1);
  color: var(--color-accent-gold);
  padding: 2px 8px;
  border-radius: 2px;
  font-size: 0.85rem;
  margin-right: 0.5rem;
  border: 1px solid rgba(197, 160, 89, 0.3);
  transition: all 0.3s ease;
}

.theme-tag:hover {
  background: var(--color-accent-gold);
  color: #000;
}

/* Content Sections */
.content-section {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

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

.content-section h2 {
  font-size: 1.4rem;
  color: var(--color-accent-gold);
  margin-bottom: 1.5rem;
  text-align: center;
  border-left: none;
}

.content-section h2::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--color-accent-gold);
  margin: 0.5rem auto 0;
}

/* Story Section (Premium Feature) */
.story-content {
  background: #151515;
  padding: 2.5rem;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent-red);
  color: var(--color-text-main);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 2.2;
  letter-spacing: 0.05em;
  position: relative;
}

.story-content::before {
  content: '“';
  font-family: serif;
  font-size: 4rem;
  color: var(--color-accent-red);
  opacity: 0.3;
  position: absolute;
  top: 0;
  left: 1rem;
  line-height: 1;
}

.story-disclaimer {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: right;
  margin-top: 1rem;
  font-style: italic;
}

/* Video */
.video-container {
  border: 1px solid var(--color-border);
  padding: 0.5rem;
  background: #000;
}

/* Reviews */
.review-summary {
  background: #151515;
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent-gold);
}

.review-summary h3 {
  color: var(--color-accent-gold);
  font-family: var(--font-serif);
  margin-bottom: 1rem;
}

.review-item {
  background: #151515;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  margin-bottom: 1rem;
}

.review-author {
  color: var(--color-accent-gold);
  font-weight: bold;
  margin-bottom: 0.5rem;
}

/* Buttons */
.btn-primary {
  display: block;
  width: 100%;
  background: linear-gradient(135deg, var(--color-accent-gold) 0%, #a0803a 100%);
  color: #000;
  padding: 1rem;
  text-align: center;
  font-weight: 700;
  font-family: var(--font-serif);
  letter-spacing: 0.1em;
  border-radius: 2px;
  transition: all 0.3s ease;
  text-transform: uppercase;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-accent-gold-light) 0%, var(--color-accent-gold) 100%);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(197, 160, 89, 0.3);
  color: #000;
}

#load-more-btn {
  max-width: 300px;
  margin: 0 auto;
  background: transparent;
  border: 1px solid var(--color-accent-gold);
  color: var(--color-accent-gold);
}

#load-more-btn:hover {
  background: var(--color-accent-gold);
  color: #000;
}

/* Loading & Error */
.loading,
.error {
  background: var(--color-bg-card);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
  padding: 3rem;
  text-align: center;
}

.error {
  border-color: var(--color-accent-red);
  color: var(--color-accent-red);
}

/* Footer */
footer {
  background: #000;
  color: var(--color-text-muted);
  padding: 4rem 0;
  margin-top: 4rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.9rem;
}

footer a {
  color: var(--color-text-muted);
}

footer a:hover {
  color: var(--color-accent-gold);
}

footer .disclaimer {
  margin-top: 2rem;
  font-size: 0.8rem;
  opacity: 0.6;
}

/* ===========================
   Sticky CTA (Mobile)
   =========================== */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.9);
  padding: 1rem;
  z-index: 1000;
  border-top: 1px solid var(--color-accent-gold);
  box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.8);
  animation: slideUp 0.5s ease-out;
}

.sticky-btn {
  width: 100%;
  font-size: 1.1rem;
  padding: 0.8rem;
  box-shadow: 0 0 15px rgba(197, 160, 89, 0.5);
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }

  to {
    transform: translateY(0);
  }
}

@media (min-width: 769px) {
  .sticky-cta {
    display: none !important;
  }
}

/* ===========================
   Age Verification Modal
   =========================== */
.age-verification-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
}

.age-verification-modal {
  background: #1e1e1e;
  border: 1px solid var(--color-accent-gold);
  padding: 2rem;
  max-width: 500px;
  width: 100%;
  text-align: center;
  box-shadow: 0 0 30px rgba(197, 160, 89, 0.3);
  border-radius: 4px;
}

.age-verification-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-accent-gold);
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1rem;
}

.age-verification-text {
  margin-bottom: 2rem;
  font-size: 1rem;
  line-height: 1.8;
}

.age-verification-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.btn-enter {
  background: var(--color-accent-gold);
  color: #000;
  padding: 0.8rem 2rem;
  font-weight: bold;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-serif);
}

.btn-enter:hover {
  background: var(--color-accent-gold-light);
  transform: translateY(-2px);
}

.btn-leave {
  background: transparent;
  color: var(--color-text-muted);
  padding: 0.8rem 2rem;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all 0.3s ease;
}

/* ===========================
   Skeleton Loading
   =========================== */
.skeleton {
  background: #2a2a2a;
  background: linear-gradient(90deg, #2a2a2a 25%, #3a3a3a 50%, #2a2a2a 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 4px;
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

.skeleton-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
}

.skeleton-image {
  width: 100%;
  aspect-ratio: 16/9;
}

.skeleton-body {
  padding: 1.25rem;
}

.skeleton-title {
  height: 1.5rem;
  margin-bottom: 0.75rem;
  width: 90%;
}

.skeleton-meta {
  height: 1rem;
  margin-bottom: 0.5rem;
  width: 60%;
}

.skeleton-price {
  height: 1rem;
  margin-top: 0.5rem;
  width: 30%;
  margin-left: auto;
}