/* ============================================================
   HXK Subs Archive — styles
   Altqx Neon design system (see design.md — source of truth).
   Quiet, dark, minimal, monochrome, typography-driven, flat.
   ============================================================ */

:root {
  /* colors — Altqx Neon palette */
  --primary: #ffffff;
  --secondary: #d1d5db;
  --tertiary: #9ca3af;
  --neutral: #121212;
  --surface: #1a1a1a;
  --border: #374151;
  --border-strong: rgba(255, 255, 255, 0.28);
  --error: #ef4444;

  /* radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-full: 9999px;

  /* spacing scale — 8 / 16 / 24 / 30 / 32 */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 30px;
  --space-xl: 32px;

  /* typography — Athiti throughout */
  --font: "Athiti", "Segoe UI", "Hiragino Sans", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  --mono: "Cascadia Code", "Consolas", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html,
body {
  height: 100%;
}

body {
  margin: 0;
  height: 100vh;
  height: 100dvh; /* mobile browser chrome */
  display: flex;
  flex-direction: column;
  overflow: hidden; /* the page itself never scrolls */
  background: var(--neutral);
  color: var(--primary);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* App shell: header and footer stay fixed; only #app's content scrolls */
#app {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}

::selection { background: rgba(255, 255, 255, 0.3); }

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

/* ============================================================
   Container — centered, generous, never collapses
   ============================================================ */

.container {
  width: min(100% - 32px, 1080px);
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 40px);
}

/* ============================================================
   Background / atmosphere
   image → blur → dark overlay → vignette
   ============================================================ */

.background {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.background-image {
  position: absolute;
  inset: -6%;
  background: url("assets/img/background.jpg") center / cover no-repeat,
              url("assets/bg.svg") center / cover no-repeat;
  filter: blur(18px) saturate(1.05);
  animation: bg-drift 90s ease-in-out infinite alternate;
}

.background-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(12, 12, 16, 0.42) 0%,
    rgba(12, 12, 16, 0.55) 45%,
    rgba(12, 12, 16, 0.68) 100%
  );
}

.background-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 90% at 50% 30%, transparent 55%, rgba(0, 0, 0, 0.42) 100%);
}

@keyframes bg-drift {
  from { transform: translate3d(-1%, -0.6%, 0) scale(1); }
  to   { transform: translate3d(1%, 0.6%, 0) scale(1.04); }
}

/* ============================================================
   Header — lightweight, minimal
   ============================================================ */

.site-header {
  z-index: 50;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: 12px clamp(16px, 4vw, 40px);
  background: transparent; /* let the background photo show through */
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--primary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  padding: 4px 6px;
  transition: background 0.15s;
}

.brand:hover { background: var(--surface); }

.brand-name { font-size: 16px; font-weight: 600; }

.header-right { display: flex; align-items: center; gap: 14px; }

.site-nav { display: flex; align-items: center; gap: 4px; }

.nav-link {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  color: var(--secondary);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}

.nav-link:hover { color: var(--primary); background: var(--surface); }

.nav-link.active { color: var(--primary); text-decoration: underline; text-underline-offset: 4px; }

.header-count {
  font-size: 12px;
  font-weight: 500;
  color: var(--tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 4px 13px;
  white-space: nowrap;
}

/* ============================================================
   Footer — quiet, compact
   ============================================================ */

.site-footer {
  flex-shrink: 0;
  z-index: 50;
  border-top: 1px solid var(--border);
  padding: 12px clamp(16px, 4vw, 40px);
  background: transparent; /* let the background photo show through */
}

.footer-inner {
  width: min(100%, 1080px);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 4px var(--space-sm);
}

.footer-tagline {
  font-size: 13px;
  color: var(--tertiary);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--secondary);
  text-decoration: none;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
}

.footer-links a:hover { color: var(--primary); background: var(--surface); }

/* ============================================================
   Buttons — Altqx Neon button system
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  min-width: 120px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.7); /* button-secondary: white outline */
  background: transparent;
  color: var(--primary);
  font: inherit;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}

.btn:hover { background: var(--surface); border-color: var(--border-strong); }

/* Primary — white fill, dark text */
.btn-primary {
  background: var(--primary);
  color: var(--neutral);
  border-color: var(--primary);
  font-weight: 600;
}

.btn-primary:hover { background: #e8e8e8; border-color: #e8e8e8; }

.btn svg { flex-shrink: 0; }

/* ============================================================
   Search — Altqx input style
   ============================================================ */

.search {
  position: relative;
  width: 100%;
}

.search svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--tertiary);
  pointer-events: none;
}

.search input {
  width: 100%;
  padding: 8px 16px 8px 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--primary);
  font: inherit;
  font-size: 16px;
  transition: border-color 0.15s;
}

.search input::placeholder { color: var(--tertiary); }

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

.search .search-hint {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1px 7px;
  pointer-events: none;
}

/* ============================================================
   Home — centered hero
   ============================================================ */

.hero {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px 16px 40px;
}

.hero .eyebrow {
  font-size: 12px;
  font-weight: 500;
  color: var(--tertiary);
  margin: 0 0 var(--space-sm);
}

.hero h1 {
  margin: 0;
  font-size: clamp(32px, 6vw, 40px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0;
  color: var(--primary);
  text-shadow: 0 2px 28px rgba(0, 0, 0, 0.65);
}

.hero .tagline {
  margin: var(--space-sm) auto 0;
  max-width: 52ch;
  font-size: 18px;
  color: var(--secondary);
  line-height: 1.5;
}

.hero .hero-search {
  width: min(560px, 92vw);
  margin-top: var(--space-xl);
  display: flex;
  gap: var(--space-xs);
}

.hero .hero-search .search { flex: 1 1 auto; min-width: 0; }

.hero .hero-search .btn { min-width: 96px; }

.hero .hero-cta {
  margin-top: var(--space-md);
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 4px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}

.hero .hero-cta:hover { background: var(--surface); }

.hero .hero-stats {
  margin-top: var(--space-xl);
  display: flex;
  gap: var(--space-xl);
  color: var(--tertiary);
  font-size: 12px;
}

.hero .hero-stats span { white-space: nowrap; }

/* ============================================================
   Page scaffolding
   ============================================================ */

.page { padding: 24px 0 48px; }

.page-head { padding: var(--space-md) 0 6px; }

.page-head .kicker {
  font-size: 12px;
  font-weight: 500;
  color: var(--tertiary);
  margin: 0 0 8px;
}

.page-head h1 {
  margin: 0;
  font-size: clamp(28px, 4.5vw, 36px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--primary);
  text-shadow: 0 1px 20px rgba(0, 0, 0, 0.5);
}

.page-head .lede {
  margin: 8px 0 0;
  max-width: 60ch;
  color: var(--secondary);
  font-size: 16px;
}

/* Breadcrumb */

.crumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: var(--space-md) 0 0;
  font-size: 13px;
  color: var(--tertiary);
}

.crumb a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--secondary);
  text-decoration: none;
  padding: 4px 8px;
  margin-left: -8px;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
}

.crumb a:hover { color: var(--primary); background: var(--surface); }

.crumb .sep { color: var(--border); padding: 0 2px; }

.crumb .current { color: var(--primary); }

/* ============================================================
   Browse — archive list
   ============================================================ */

.browse-toolbar {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: var(--space-md) 0 10px;
}

.browse-toolbar .search { max-width: 560px; }

/* Filter chips — data-driven, wrap naturally */

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 8px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--primary);
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.chip:hover { border-color: var(--border-strong); background: var(--surface); }

.chip.active {
  background: var(--primary);
  color: var(--neutral);
  border-color: var(--primary);
  font-weight: 600;
}

.chip .chip-count { color: var(--tertiary); font-size: 12px; font-weight: 400; }
.chip.active .chip-count { color: rgba(18, 18, 18, 0.65); }

/* Archive rows — quiet, border-separated */

.archive-list {
  border-top: 1px solid var(--border);
  margin-top: var(--space-sm);
}

.archive-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-sm) 4px;
  border-bottom: 1px solid var(--border);
  color: inherit;
  text-decoration: none;
  transition: background 0.15s;
}

.archive-row:hover { background: var(--surface); }

.archive-row .row-name {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--primary);
  overflow-wrap: break-word;
  min-width: 0;
}

/* Right-aligned metadata cluster — sits flush against the row's right edge */

.archive-row .row-end {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: auto;
  flex-shrink: 0;
}

.archive-row .row-meta {
  font-size: 14px;
  color: var(--tertiary);
  text-align: right;
  white-space: nowrap;
}

.archive-row .row-arrow {
  display: inline-flex;
  color: var(--tertiary);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.15s, transform 0.15s;
}

.archive-row:hover .row-arrow { opacity: 1; transform: translateX(0); }

.archive-count {
  padding: var(--space-sm) 4px 0;
  font-size: 13px;
  color: var(--tertiary);
}

.pager {
  display: flex;
  justify-content: center;
  padding: var(--space-md) 0 8px;
}

/* ============================================================
   Anime detail
   ============================================================ */

.anime-head {
  padding: var(--space-md) 0 var(--space-sm);
  border-bottom: 1px solid var(--border);
}

.anime-head h1 {
  margin: 0;
  font-size: clamp(28px, 4.5vw, 36px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--primary);
}

.anime-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px var(--space-md);
  margin-top: 10px;
  color: var(--tertiary);
  font-size: 14px;
}

.anime-meta b { color: var(--secondary); font-weight: 600; }

.season-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  padding: var(--space-md) 0 6px;
}

.season-tab {
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--primary);
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.season-tab:hover { border-color: var(--border-strong); background: var(--surface); }

.season-tab.active {
  background: var(--primary);
  color: var(--neutral);
  border-color: var(--primary);
  font-weight: 600;
}

.season-tab .tab-count { opacity: 0.6; font-weight: 400; }
.season-tab.active .tab-count { opacity: 0.7; }

.episode-search { padding: var(--space-sm) 0 6px; }
.episode-search .search { max-width: 420px; }

.episode-list { border-top: 1px solid var(--border); margin-top: var(--space-xs); }

/* Episode row — title on its own full-width line; language chips wrap on a
   separate row below. This structural separation guarantees the title can
   never be squeezed into a one-character-per-line column. */

.ep-row {
  padding: var(--space-sm) 4px;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.ep-row:hover { background: var(--surface); }

.ep-row .ep-top {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.ep-row .ep-label {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--tertiary);
  flex-shrink: 0;
}

.ep-row .ep-title {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--primary);
  overflow-wrap: break-word;
  min-width: 0;
}

.ep-row .ep-title a {
  color: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: color 0.15s;
}

.ep-row .ep-title a:hover { color: var(--secondary); }

.ep-row .ep-title a svg { color: var(--tertiary); opacity: 0; transition: opacity 0.15s, transform 0.15s; }
.ep-row .ep-title a:hover svg { opacity: 1; transform: translateX(2px); }

/* Language chips — data-driven, flex-wrap, never collapse */

.ep-row .ep-langs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
}

.lang-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.lang-chip:hover {
  border-color: var(--border-strong);
  background: var(--surface);
  color: var(--primary);
}

/* ============================================================
   Episode page — downloads front and center
   ============================================================ */

.episode-head {
  padding: var(--space-lg) 0 8px;
}

.episode-head .kicker {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--tertiary);
  margin: 0 0 10px;
}

.episode-head h1 {
  margin: 0;
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--primary);
}

.episode-head .show-ref {
  margin: 8px 0 0;
  color: var(--secondary);
  font-size: 16px;
}

.episode-head .show-ref a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s;
}

.episode-head .show-ref a:hover { color: var(--secondary); }

.lang-list {
  margin-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.lang-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 4px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.lang-row .lang-info { flex: 1 1 220px; min-width: 0; }

.lang-row .lang-info .lang-name {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  overflow-wrap: break-word;
}

.lang-row .lang-info .lang-code {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--tertiary);
  letter-spacing: 0.05em;
}

.lang-row .lang-info .lang-meta {
  display: block;
  font-size: 12px;
  color: var(--tertiary);
  margin-top: 2px;
}

.lang-row .btn { flex-shrink: 0; }

/* ============================================================
   Docs & About
   ============================================================ */

.prose {
  max-width: 640px;
  padding: var(--space-sm) 0 60px;
}

.prose h2 {
  margin: var(--space-xl) 0 8px;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary);
}

.prose p,
.prose li {
  color: var(--secondary);
  font-size: 16px;
}

.prose a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s;
}

.prose a:hover { color: var(--secondary); }

.prose ul { padding-left: 22px; }

.prose li { margin: 4px 0; }

.prose code {
  font-family: var(--mono);
  font-size: 13px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.5px 7px;
  color: var(--primary);
}

.prose pre {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--primary);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-sm);
  overflow-x: auto;
  margin: var(--space-sm) 0;
}

.prose .note {
  margin-top: var(--space-xl);
  padding: var(--space-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--secondary);
  font-size: 14px;
}

/* ============================================================
   States — loading / empty / not found
   ============================================================ */

.state {
  max-width: 640px;
  margin: 48px auto;
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  color: var(--tertiary);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  background: rgba(26, 26, 26, 0.4);
}

.state b {
  display: block;
  font-size: 20px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 6px;
}

.state p { margin: 0 0 6px; }

.state code {
  font-family: var(--mono);
  font-size: 13px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.5px 7px;
  color: var(--primary);
}

.state .btn { margin-top: var(--space-sm); }

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

@media (max-width: 768px) {
  /* Archive rows stack: title, then metadata below */
  .archive-row { flex-direction: column; align-items: flex-start; gap: 4px; }
  .archive-row .row-end { margin-left: 0; }
  .archive-row .row-meta { white-space: normal; }
  .archive-row .row-arrow { display: none; }
}

@media (max-width: 560px) {
  .brand-name { display: none; }
  .header-count { display: none; }
  .nav-link { padding: 6px 9px; font-size: 13px; }
  .hero { padding: 24px 16px 32px; }
  .hero h1 { font-size: 32px; }
  .hero .hero-stats { gap: var(--space-md); flex-wrap: wrap; justify-content: center; }
  .hero .hero-search { flex-direction: column; }
  .hero .hero-search .btn { width: 100%; }
  .page { padding: var(--space-sm) 0 48px; }
  .ep-row { padding: var(--space-sm) 4px; }
  .lang-row { gap: 10px; }
  .lang-row .btn { width: 100%; }
  .search .search-hint { display: none; }
}

@media (pointer: coarse) {
  .ep-row .ep-title a svg { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  #app { scroll-behavior: auto; }
  .background-image { animation: none; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}