:root {
  --color-primary: #1E90FF;
  --color-primary-dark: #0B5FA8;
  --color-accent: #7FD1FF;
  --color-bg: #0A1628;
  --color-bg-light: #0F2440;
  --color-text: #F4F9FF;
  --radius: 14px;
  --max-width: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-tap-highlight-color: transparent;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

.loading-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--color-bg); }
.boot-spinner { font-size: 2.5rem; color: var(--color-primary); animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: .35; transform: scale(1); } 50% { opacity: 1; transform: scale(1.15); } }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 16px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 10px 16px; gap: 10px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; }
.brand img { height: 34px; width: 34px; border-radius: 8px; object-fit: cover; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  background: transparent; border: none; color: var(--color-text);
  font-size: 1.15rem; position: relative; padding: 8px;
  border-radius: 10px;
}
.icon-btn:active { background: rgba(255,255,255,0.08); }
.cart-badge {
  position: absolute; top: 0; right: 0; background: var(--color-primary);
  color: #fff; font-size: 0.65rem; font-weight: 700; border-radius: 50%;
  width: 18px; height: 18px; display: flex; align-items: center; justify-content: center;
}

/* ---------- Site "Menu" dropdown (replaces old nav tabs) ---------- */
.site-menu { position: relative; }
.menu-btn {
  display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12); color: var(--color-text);
  font-weight: 600; font-size: 0.95rem; padding: 9px 14px; border-radius: 10px;
  transition: background .15s, border-color .15s;
}
.menu-btn:hover, .menu-btn:active { background: rgba(255,255,255,0.12); }
.menu-btn i { font-size: 0.75rem; transition: transform .15s; }
.site-menu.open .menu-btn i { transform: rotate(180deg); }
.site-menu.open .menu-btn { border-color: var(--color-accent); }
.site-menu-panel {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 220px;
  background: var(--color-bg-light); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px; box-shadow: 0 12px 30px rgba(0,0,0,0.45);
  padding: 8px; display: flex; flex-direction: column; gap: 2px;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .15s, transform .15s, visibility .15s;
  z-index: 60;
}
.site-menu.open .site-menu-panel { opacity: 1; visibility: visible; transform: translateY(0); }
.site-menu-panel a {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  border-radius: 8px; font-weight: 500; font-size: 0.95rem; opacity: .9;
}
.site-menu-panel a i { width: 16px; text-align: center; opacity: .8; }
.site-menu-panel a:hover, .site-menu-panel a.active { background: rgba(255,255,255,0.08); opacity: 1; color: var(--color-accent); }
.site-menu-divider { height: 1px; background: rgba(255,255,255,0.1); margin: 6px 4px; }

/* ---------- Announcement bar ---------- */
.announcement-bar {
  background: var(--color-primary); color: #fff; text-align: center;
  font-size: 0.85rem; padding: 8px 12px; font-weight: 600;
}

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; min-height: 46vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 60px 16px;
}
.hero-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  filter: brightness(0.55);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,22,40,0.2) 0%, rgba(10,22,40,0.95) 100%);
}
.hero-content { position: relative; z-index: 2; max-width: 720px; }
.hero-content h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 14px; font-weight: 800; }
.hero-content p { font-size: 1rem; opacity: .9; margin: 0 0 24px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--color-primary); color: #fff; border: none;
  padding: 13px 26px; border-radius: 999px; font-weight: 700; font-size: 0.95rem;
  transition: transform .15s, background .15s; white-space: nowrap;
}
.btn:hover { background: var(--color-primary-dark); }
.btn:active { transform: scale(0.97); }
.btn-outline { background: transparent; border: 2px solid var(--color-primary); color: var(--color-text); }
.btn-block { width: 100%; }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

@media (min-width: 640px) {
  .hero-content h1 { font-size: 2.6rem; }
  .hero-content p { font-size: 1.1rem; }
}

/* ---------- Sections ---------- */
.section { padding: 46px 0; }
.section-head { text-align: center; margin-bottom: 28px; }
.section-head h2 { font-size: 1.6rem; margin: 0 0 8px; font-weight: 800; }
.section-head p { opacity: .75; margin: 0; font-size: 0.95rem; }

.grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 640px) { .grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 960px) { .grid { grid-template-columns: repeat(4, 1fr); } }

.card {
  background: var(--color-bg-light); border-radius: var(--radius); overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
  transition: transform .18s, box-shadow .18s;
  display: flex; flex-direction: column;
}
.card:hover { box-shadow: 0 14px 28px rgba(0,0,0,0.4); }
.card-cover { position: relative; aspect-ratio: 1/1; background: #06101f; overflow: hidden; border-radius: var(--radius) var(--radius) 0 0; perspective: 700px; }
.card-cover-inner {
  position: relative; width: 100%; height: 100%; transform-style: preserve-3d;
  transition: transform .5s cubic-bezier(.22,1,.36,1);
}
.card-cover-inner img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-type-badge {
  position: absolute; top: 8px; left: 8px; background: rgba(0,0,0,0.55);
  color: #fff; font-size: 0.65rem; font-weight: 700; padding: 4px 8px; border-radius: 6px;
  text-transform: uppercase; letter-spacing: 0.03em; z-index: 2;
}
/* Diagonal shine sweep - the grid-card's distinct hover reaction (carousel uses lift+scale instead) */
.card-shine {
  position: absolute; top: -20%; left: -65%; width: 45%; height: 140%;
  background: linear-gradient(115deg, transparent 0%, rgba(255,255,255,0.4) 48%, transparent 90%);
  transform: skewX(-18deg); pointer-events: none;
  transition: left .85s cubic-bezier(.22,1,.36,1);
}
.card:hover .card-cover-inner { transform: rotateX(6deg) rotateY(-9deg) scale(1.045); box-shadow: 0 18px 30px rgba(0,0,0,0.4); }
.card:hover .card-shine { left: 135%; }

/* Preview play button, centered over the cover art on grid/carousel cards.
   Hidden by default on hover-capable devices, revealed on hover; always visible
   on touch devices (no hover) so it's reachable without needing a hover state. */
.card-preview-btn {
  position: absolute; top: 50%; left: 50%; z-index: 3;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(0,0,0,0.6); border: 1px solid rgba(255,255,255,0.25); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 1rem;
  transform: translate(-50%, -50%) scale(0.85); opacity: 0;
  transition: opacity .18s, transform .18s, background .18s;
  backdrop-filter: blur(2px);
}
.card-cover:hover .card-preview-btn,
.cover-img-wrap:hover .card-preview-btn,
.card-preview-btn.playing {
  opacity: 1; transform: translate(-50%, -50%) scale(1);
}
.card-preview-btn:hover { background: var(--color-primary); }
.card-preview-btn.playing { background: var(--color-primary); }
@media (hover: none) {
  .card-preview-btn { opacity: 1; transform: translate(-50%, -50%) scale(1); background: rgba(0,0,0,0.55); }
}

/* Reflection ("floor" effect) - same treatment as the homepage carousel, kept consistent everywhere */
.card-reflection {
  position: relative; aspect-ratio: 2.3 / 1; overflow: hidden;
  opacity: .5; transition: opacity .4s, transform .4s cubic-bezier(.22,1,.36,1);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.65), rgba(0,0,0,0) 88%);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.65), rgba(0,0,0,0) 88%);
}
.card-reflection img {
  position: absolute; top: 0; left: 0; width: 100%; aspect-ratio: 1/1;
  object-fit: cover; display: block; transform: scaleY(-1); transform-origin: center;
}
.card:hover .card-reflection { opacity: .6; transform: translateY(-3px); }

.card-body { padding: 12px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.card-title { font-weight: 700; font-size: 0.92rem; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.card-artist { font-size: 0.8rem; opacity: .65; }
.card-footer { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 8px; }
.card-price { font-weight: 800; color: var(--color-accent); }
.card-play-btn {
  background: var(--color-primary); border: none; color: #fff;
  width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; flex-shrink: 0;
}

.empty-state { text-align: center; padding: 40px 20px; opacity: .6; }

/* ---------- Home cover carousel (music / audiobooks) ---------- */
.carousel { position: relative; display: flex; align-items: center; gap: 4px; }
.carousel-viewport {
  overflow: hidden; flex: 1 1 0%; min-width: 0; touch-action: pan-y;
  cursor: grab; user-select: none; -webkit-user-select: none;
  padding: 6px 0 26px;
}
.carousel-viewport.dragging { cursor: grabbing; }
.carousel-track { display: flex; will-change: transform; transition: transform .5s cubic-bezier(.22,1,.36,1); }
.carousel-track.no-transition { transition: none; }
.carousel-slide {
  flex: 0 0 82%;
  padding: 0 9px;
  box-sizing: border-box;
}
@media (min-width: 560px) { .carousel-slide { flex: 0 0 50%; } }
@media (min-width: 860px) { .carousel-slide { flex: 0 0 33.3333%; } }

.carousel-card { display: block; }
.carousel-card-body { padding: 12px 2px 0; }

.carousel-arrow {
  flex-shrink: 0; width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
  color: var(--color-text); display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; transition: background .15s, transform .15s; z-index: 3;
}
.carousel-arrow:hover { background: var(--color-primary); }
.carousel-arrow:active { transform: scale(0.9); }
@media (min-width: 640px) { .carousel-arrow { width: 44px; height: 44px; } }

/* Cover + reflection ("floor" effect) */
.cover-frame { position: relative; }
.cover-img-wrap {
  position: relative; aspect-ratio: 1/1; border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 10px 24px rgba(0,0,0,0.35);
  transition: transform .45s cubic-bezier(.22,1,.36,1), box-shadow .45s cubic-bezier(.22,1,.36,1);
}
.cover-img-wrap .cover-img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.cover-frame .card-type-badge {
  position: absolute; top: 8px; left: 8px; background: rgba(0,0,0,0.55);
  color: #fff; font-size: 0.65rem; font-weight: 700; padding: 4px 8px; border-radius: 6px;
  text-transform: uppercase; letter-spacing: 0.03em; z-index: 2;
}

.cover-reflection {
  position: relative; aspect-ratio: 2.1 / 1; overflow: hidden; margin-top: 2px;
  border-radius: 0 0 var(--radius) var(--radius);
  opacity: .55; transition: opacity .45s, transform .45s cubic-bezier(.22,1,.36,1);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.7), rgba(0,0,0,0) 88%);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.7), rgba(0,0,0,0) 88%);
}
.cover-reflection::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
  z-index: 2;
}
.cover-reflection .reflection-img {
  position: absolute; top: 0; left: 0; width: 100%; aspect-ratio: 1/1;
  object-fit: cover; display: block;
  transform: scaleY(-1); transform-origin: center;
}

/* Hover "movement" reaction */
.carousel-card:hover .cover-img-wrap {
  transform: translateY(-10px) scale(1.055);
  box-shadow: 0 26px 44px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.1);
}
.carousel-card:hover .cover-reflection {
  opacity: .65;
  transform: translateY(-6px) scaleY(1.03);
}
.carousel-card:active .cover-img-wrap { transform: translateY(-6px) scale(1.02); }

/* ---------- Product detail ---------- */
.product-detail { padding: 30px 0 60px; }
.product-hero { display: flex; flex-direction: column; gap: 22px; }
.product-cover-wrap { width: 100%; max-width: 320px; margin: 0 auto; }
.product-cover-wrap img { border-radius: var(--radius); box-shadow: 0 12px 30px rgba(0,0,0,0.4); aspect-ratio: 1/1; object-fit: cover; }
.product-info h1 { font-size: 1.5rem; margin: 0 0 6px; font-weight: 800; }
.product-info .artist { opacity: .7; margin-bottom: 14px; }
.product-info .description { line-height: 1.6; opacity: .9; margin-bottom: 20px; white-space: pre-wrap; }
.buy-box {
  background: var(--color-bg-light); border-radius: var(--radius); padding: 18px;
  display: flex; flex-direction: column; gap: 14px; border: 1px solid rgba(255,255,255,0.08);
}
.buy-box .price-row { display: flex; align-items: center; justify-content: space-between; }
.buy-box .price-row .price { font-size: 1.6rem; font-weight: 800; color: var(--color-accent); }

@media (min-width: 780px) {
  .product-hero { flex-direction: row; align-items: flex-start; gap: 36px; }
  .product-cover-wrap { flex: 0 0 300px; margin: 0; }
  .product-info { flex: 1; }
}

.track-list { margin-top: 26px; border-top: 1px solid rgba(255,255,255,0.08); }
.track-row {
  display: flex; align-items: center; gap: 12px; padding: 12px 4px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.track-num { width: 26px; text-align: center; opacity: .5; font-size: 0.85rem; flex-shrink: 0; }
.track-title { flex: 1; font-weight: 600; font-size: 0.92rem; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.track-preview-tag { font-size: 0.7rem; background: rgba(127,209,255,0.15); color: var(--color-accent); padding: 3px 8px; border-radius: 6px; flex-shrink: 0; }
.track-locked-tag { font-size: 0.7rem; opacity: .45; flex-shrink: 0; }
.track-play-btn {
  background: rgba(255,255,255,0.08); border: none; color: var(--color-text);
  width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.track-play-btn.playing { background: var(--color-primary); color: #fff; }

.mini-player {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 60;
  background: rgba(10,22,40,0.97); backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 10px 16px; display: none; align-items: center; gap: 12px;
}
.mini-player.active { display: flex; }
.mini-player .info { flex: 1; min-width: 0; }
.mini-player .info .t { font-size: 0.85rem; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mini-player .info .s { font-size: 0.72rem; opacity: .6; }
.mini-player .progress-bar { position: absolute; top: 0; left: 0; height: 3px; background: var(--color-primary); width: 0%; transition: width .2s linear; }

/* ---------- Cart ---------- */
.cart-drawer {
  position: fixed; top: 0; right: -100%; height: 100%; width: 100%; max-width: 400px;
  background: var(--color-bg-light); z-index: 100; transition: right .25s ease;
  box-shadow: -10px 0 30px rgba(0,0,0,0.4); display: flex; flex-direction: column;
}
.cart-drawer.open { right: 0; }
.cart-drawer-header { display: flex; align-items: center; justify-content: space-between; padding: 16px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.cart-drawer-body { flex: 1; overflow-y: auto; padding: 16px; }
.cart-drawer-footer { padding: 16px; border-top: 1px solid rgba(255,255,255,0.08); }
.cart-item { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.06); align-items: center; }
.cart-item img { width: 52px; height: 52px; border-radius: 8px; object-fit: cover; flex-shrink: 0; }
.cart-item .ci-info { flex: 1; min-width: 0; }
.cart-item .ci-title { font-weight: 700; font-size: 0.85rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cart-item .ci-price { font-size: 0.8rem; opacity: .7; }
.cart-item .ci-remove { background: none; border: none; color: #ff6b6b; font-size: 1rem; padding: 6px; }
.overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 99; display: none; }
.overlay.open { display: block; }
.cart-total-row { display: flex; justify-content: space-between; font-size: 1.1rem; font-weight: 800; margin-bottom: 14px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid rgba(255,255,255,0.08); padding: 34px 0; margin-top: 40px; text-align: center; }
.footer-social { display: flex; justify-content: center; gap: 18px; margin: 14px 0; font-size: 1.2rem; opacity: .8; }
.footer-text { opacity: .55; font-size: 0.85rem; }
.footer-email { margin-top: 6px; font-size: 0.9rem; opacity: .8; }
.footer-links { margin-top: 10px; font-size: 0.85rem; }
.footer-links a { color: inherit; opacity: .6; text-decoration: underline; }
.footer-links a:hover { opacity: 1; }

/* ---------- Checkout / misc pages ---------- */
.page-narrow { max-width: 640px; margin: 0 auto; padding: 60px 16px; text-align: center; }
.page-narrow .icon-big { font-size: 3rem; color: var(--color-primary); margin-bottom: 18px; }
.policy-page { max-width: 760px; text-align: left; }
.policy-page h2 { text-align: center; }
.policy-page h3 { margin: 28px 0 8px; font-size: 1.05rem; color: var(--color-primary); }
.policy-page p, .policy-page li { opacity: .85; line-height: 1.7; font-size: 0.95rem; }
.policy-page a { color: var(--color-primary); }
.form-group { margin-bottom: 16px; text-align: left; }
.form-group label { display: block; margin-bottom: 6px; font-size: 0.85rem; font-weight: 600; opacity: .85; }
.form-group input {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.05); color: var(--color-text); font-size: 0.95rem;
}
.form-group input:focus { outline: none; border-color: var(--color-primary); }

.download-list .card-cover { aspect-ratio: auto; height: 100px; }
.dl-product { background: var(--color-bg-light); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; border: 1px solid rgba(255,255,255,0.08); }
.dl-product-head { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; }
.dl-product-head img { width: 56px; height: 56px; border-radius: 8px; object-fit: cover; }
.dl-file-row { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.06); font-size: 0.9rem; }

.toast {
  position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: #1a3a5c; color: #fff; padding: 12px 20px; border-radius: 10px; font-size: 0.9rem;
  opacity: 0; transition: opacity .25s, transform .25s; z-index: 200; box-shadow: 0 8px 20px rgba(0,0,0,0.3);
  max-width: 90%; text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.spinner-inline { display: inline-block; width: 16px; height: 16px; border: 2px solid rgba(255,255,255,0.3); border-top-color: #fff; border-radius: 50%; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.skeleton { background: linear-gradient(90deg, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.1) 37%, rgba(255,255,255,0.05) 63%); background-size: 400% 100%; animation: shimmer 1.4s ease infinite; border-radius: var(--radius); }
@keyframes shimmer { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }