/* ============================================================
   flj-site.css — Shared home-page design for all inner pages
   Matches index.html: dark theme, smooth motion, red accents
   ============================================================ */

:root {
  --bg:       #0d0f12;
  --bg2:      #14162b;
  --bg3:      #1a1d36;
  --red:      #e63946;
  --red-d:    #c22834;
  --sakura:   #ff6584;
  --mint:     #00f5d4;
  --cyan:     #22d3ee;
  --gold:     #f5a623;
  --purple:   #a855f7;
  --text:     #f4f6ff;
  --muted:    #9aa3c0;
  --border:   rgba(255,255,255,0.08);
  --accent:   #e63946;
  --accent-hover: #ff6584;
  --font-body: 'Space Grotesk', sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-jp: 'Noto Sans JP', sans-serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: auto;
  scroll-padding-top: var(--flj-nav-h, 64px);
  overflow-x: clip;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 10000;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--red);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.45);
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 16px;
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

html,
body {
  overflow-y: auto;
  height: auto;
  -webkit-overflow-scrolling: touch;
}

body {
  background: var(--bg) !important;
  color: var(--text) !important;
  font-family: 'Space Grotesk', sans-serif !important;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: auto;
}

.page-wrap,
.site-main {
  overflow: visible;
}

html.flj-scroll-locked,
body.flj-scroll-locked {
  overflow: hidden !important;
  overscroll-behavior: none;
}

body.flj-scroll-locked {
  position: fixed;
  left: 0;
  right: 0;
  width: 100%;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--red); border-radius: 3px; }

.page-wrap {
  min-height: var(--flj-vh, 100vh);
  /* transparent (body paints var(--bg)) so the fixed seigaiha layer on
     body::before shows through */
  background: transparent !important;
  color: var(--text) !important;
  font-family: 'Space Grotesk', sans-serif !important;
}

/* ── Ambient background on inner pages ── */
.site-main {
  position: relative;
  z-index: 1;
  padding-top: var(--flj-nav-h, 64px);
  min-height: var(--flj-fill-h, calc(100vh - 64px));
}
.site-main::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.6;
}
.site-main::after {
  content: '';
  position: fixed;
  width: 560px; height: 560px;
  top: -120px; right: -80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230,57,70,.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.site-main > * { position: relative; z-index: 1; }

/* ── Navigation (matches index #main-nav) ── */
#main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 48px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(10, 10, 14, 0.92);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background .25s, box-shadow .25s;
}
#main-nav.scrolled {
  background: rgba(10, 10, 14, 0.98);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo-kanji {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--red);
}
.nav-logo-text {
  font-size: .9rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: .03em;
}
.nav-logo-red { color: var(--red); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
  justify-content: center;
}

.nav-links > a {
  font-size: .82rem;
  font-weight: 500;
  color: #b8c0d8;
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color .2s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--red);
  transition: width .3s ease;
}
.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { width: 100%; }
.nav-links > a.active { color: #fff; }
.nav-links > a.active::after { width: 100%; }

/* ── Grouped nav dropdowns ── */
.nav-group {
  position: relative;
}
.nav-drop-trigger {
  font-family: 'Space Grotesk', sans-serif;
  font-size: .82rem;
  font-weight: 500;
  color: #b8c0d8;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 10px 8px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color .2s, background .2s;
  white-space: nowrap;
}
.nav-drop-trigger:hover,
.nav-group.open .nav-drop-trigger,
.nav-drop-trigger.active {
  color: #fff;
  background: rgba(255, 255, 255, .05);
}
.nav-chevron {
  font-size: .6rem;
  opacity: .7;
  transition: transform .2s;
}
.nav-group.open .nav-chevron { transform: rotate(180deg); }

.nav-group::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 14px;
  z-index: 1099;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 280px;
  background: rgba(14, 14, 14, .98);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .6);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .2s, transform .2s, visibility .2s;
  z-index: 1100;
}
.nav-group.open .nav-dropdown,
.nav-group:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-drop-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 20px;
}
.nav-drop-grid--3 {
  grid-template-columns: repeat(2, 1fr);
}
.nav-drop-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-drop-label {
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #444;
  padding: 4px 10px 8px;
}
.nav-dropdown:not(.nav-dropdown--cards) a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: .82rem;
  font-weight: 600;
  color: #aaa !important;
  text-decoration: none;
  transition: background .15s, color .15s;
}
.nav-dropdown a::after { display: none !important; }
.nav-dropdown:not(.nav-dropdown--cards) a:hover {
  background: rgba(230, 57, 70, .1);
  color: #fff !important;
}
.nav-dropdown:not(.nav-dropdown--cards) a.active {
  background: rgba(230, 57, 70, .15);
  color: var(--red) !important;
}
.nav-drop-icon {
  width: 28px;
  text-align: center;
  flex-shrink: 0;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .75rem;
  font-weight: 600;
  color: #b8c0d8;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 5px 12px;
}
.nav-user-name,
.nav-login-btn {
  font-size: .82rem;
  font-weight: 600;
  color: #ccc;
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.12);
  transition: all .2s;
}
.nav-user-name:hover,
.nav-login-btn:hover {
  color: #fff;
  border-color: rgba(255,255,255,.3);
  background: rgba(255,255,255,.05);
}
.btn-nav-ghost {
  font-size: .82rem;
  font-weight: 600;
  color: #ccc;
  padding: 8px 18px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.12);
  text-decoration: none;
  transition: all .2s;
  white-space: nowrap;
}
.btn-nav-ghost:hover {
  color: #fff;
  border-color: rgba(255,255,255,.3);
  background: rgba(255,255,255,.05);
}
.btn-nav-red {
  font-size: .82rem;
  font-weight: 700;
  color: #fff;
  padding: 8px 18px;
  border-radius: 8px;
  background: var(--red);
  text-decoration: none;
  transition: all .25s cubic-bezier(.34,1.56,.64,1);
  white-space: nowrap;
}
.btn-nav-red:hover {
  background: var(--red-d);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(230,57,70,.4);
}
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-hamburger span {
  width: 22px;
  height: 2px;
  background: var(--bg, #0d0f12);
  border-radius: 1px;
  display: block;
  transition: all .3s;
}

/* ── Compact navbar (signed-in + auth pages) ─────────────────────── */
.main-nav--auth,
.main-nav--auth-page {
  height: var(--flj-nav-h, 56px);
  padding: 0 20px;
  gap: 10px;
}
.main-nav--auth .nav-logo-text,
.main-nav--auth-page .nav-logo-text { font-size: .82rem; }
.main-nav--auth .nav-logo-kanji,
.main-nav--auth-page .nav-logo-kanji { font-size: 1.15rem; }
.main-nav--auth .nav-links,
.main-nav--auth-page .nav-links { gap: 2px; }
.main-nav--auth .nav-drop-trigger,
.main-nav--auth-page .nav-drop-trigger {
  padding: 5px 9px;
  font-size: .76rem;
  border-radius: 8px;
}
.main-nav--auth .nav-links > a,
.main-nav--auth-page .nav-links > a {
  padding: 5px 10px !important;
  font-size: .76rem !important;
  min-height: 32px;
}
.main-nav--auth .nav-right,
.main-nav--auth-page .nav-right { gap: 8px; }

.nav-stats-chip {
  display: inline-flex;
  align-items: center;
  gap: 0;
  padding: 4px 10px 4px 8px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}
.nav-stats-chip .nav-rank-pill {
  border: none !important;
  background: transparent !important;
  padding: 0 !important;
  box-shadow: none !important;
  font-size: .68rem !important;
}
.nav-stats-chip .nav-rank-pill .nav-rank-lv {
  padding: 1px 6px;
  font-size: .62rem;
}
.nav-stats-sep {
  width: 1px;
  height: 12px;
  margin: 0 7px;
  background: rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}
.nav-stat-mini {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .68rem;
  font-weight: 700;
  color: #b8bfd4;
  white-space: nowrap;
}
.nav-stat-val {
  font-variant-numeric: tabular-nums;
  color: #e8ecff;
}
.nav-stat-unit {
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--gold, #f5a623);
  opacity: 0.75;
}
.nav-stat-unit--xp {
  color: var(--mint, #00f5d4);
  opacity: 0.9;
}
.nav-stat-glyph {
  flex-shrink: 0;
  display: inline-block;
}
.nav-stat-glyph--streak {
  width: 7px;
  height: 9px;
  background: linear-gradient(180deg, var(--sakura, #ff6584) 0%, var(--gold, #f5a623) 100%);
  border-radius: 50% 50% 50% 50% / 55% 55% 45% 45%;
  box-shadow: 0 0 6px rgba(245, 166, 35, 0.35);
  opacity: 0.85;
}
.nav-stat--streak.flja-streak-hot .nav-stat-glyph--streak {
  opacity: 1;
  box-shadow: 0 0 10px rgba(245, 166, 35, 0.65);
}
.nav-stat--xp .nav-stat-val {
  color: #dffef8;
}

/* Dashboard + shared stat micro-glyphs */
.stat-lbl {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.stat-glyph {
  flex-shrink: 0;
  display: inline-block;
}
.stat-glyph--streak {
  width: 9px;
  height: 11px;
  background: linear-gradient(180deg, var(--sakura, #ff6584), var(--gold, #f5a623));
  border-radius: 50% 50% 50% 50% / 55% 55% 45% 45%;
  box-shadow: 0 0 8px rgba(245, 166, 35, 0.4);
}
.stat-glyph--xp {
  width: 8px;
  height: 8px;
  background: var(--mint, #00f5d4);
  transform: rotate(45deg);
  border-radius: 1px;
  box-shadow: 0 0 8px rgba(0, 245, 212, 0.45);
}
.nav-stats-chip .nav-xp-bar {
  width: 40px;
  height: 3px;
  margin-left: 8px;
}

.nav-user-trigger {
  padding: 3px 8px 3px 3px !important;
  gap: 6px !important;
  max-width: 148px;
  border: 1px solid color-mix(in srgb, var(--plan-color, #b4783c) 35%, transparent) !important;
  background: color-mix(in srgb, var(--plan-color, #b4783c) 8%, transparent) !important;
}
.nav-user-trigger:hover,
.nav-user-group.open .nav-user-trigger {
  border-color: color-mix(in srgb, var(--plan-color, #b4783c) 55%, transparent) !important;
  background: color-mix(in srgb, var(--plan-color, #b4783c) 14%, transparent) !important;
}
.nav-user-trigger-avatar {
  width: 26px !important;
  height: 34px !important;
  border-radius: 6px;
  flex-shrink: 0;
}
.nav-user-trigger-label {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.15;
  min-width: 0;
  text-align: left;
}
.nav-user-trigger-rank {
  font-size: .62rem;
  font-weight: 800;
  color: var(--plan-color, #b4783c);
  letter-spacing: 0.02em;
}
.nav-user-trigger-name {
  font-size: .68rem;
  font-weight: 600;
  color: #ddd;
  max-width: 88px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-user-group .nav-dropdown {
  left: auto;
  right: 0;
  transform: translateY(8px);
  min-width: 220px;
  padding: 10px;
}
.nav-user-group.open .nav-dropdown,
.nav-user-group:hover .nav-dropdown {
  transform: translateY(0);
}
.nav-user-dropdown-head {
  padding: 8px 10px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 6px;
}
.nav-user-dropdown-head strong {
  display: block;
  font-size: .82rem;
  color: #fff;
  margin-bottom: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.nav-user-dropdown-head span {
  font-size: .68rem;
  color: #888;
}
.nav-user-dropdown a {
  padding: 8px 10px !important;
  font-size: .78rem !important;
}
.nav-user-signout-form { margin: 6px 0 0; padding: 0; }
.nav-user-signout-btn {
  width: 100%;
  padding: 8px 10px;
  border: none;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: #b8c0d8;
  font-family: 'Space Grotesk', sans-serif;
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s, color 0.2s;
}
.nav-user-signout-btn:hover {
  background: rgba(230, 57, 70, 0.12);
  color: #ff8a94;
}

body:has(.main-nav--auth) .site-main,
body:has(.main-nav--auth-page) .site-main,
body.flj-auth-page .site-main {
  padding-top: var(--flj-nav-h, 56px);
  min-height: var(--flj-fill-h, calc(100vh - 56px));
}

@media (max-width: 1200px) {
  #main-nav { padding: 0 20px; gap: 8px; }
  .nav-logo { min-width: 0; flex-shrink: 0; }
  .nav-logo-text {
    overflow: visible;
    text-overflow: unset;
    white-space: nowrap;
    max-width: none;
    font-size: .78rem;
  }
  .nav-links { gap: 4px; min-width: 0; }
  .main-nav--auth .nav-drop-trigger,
  .main-nav--auth-page .nav-drop-trigger {
    padding: 5px 7px;
    font-size: .72rem;
  }
  .main-nav--auth .nav-links > a,
  .main-nav--auth-page .nav-links > a {
    padding: 5px 8px !important;
    font-size: .72rem !important;
  }
  .nav-user-trigger-name { display: none; }
  .nav-user-trigger { max-width: 88px; padding-right: 6px !important; }
}
@media (max-width: 900px) {
  #main-nav { padding: 0 14px; gap: 6px; }
  .nav-logo-kanji { font-size: 1.1rem; }
  .nav-logo-text { max-width: none; font-size: .72rem; }
  .main-nav--auth .nav-drop-trigger,
  .main-nav--auth-page .nav-drop-trigger {
    padding: 4px 6px;
    font-size: .68rem;
  }
  .main-nav--auth .nav-links > a,
  .main-nav--auth-page .nav-links > a {
    padding: 4px 6px !important;
    font-size: .68rem !important;
  }
  .nav-stats-chip { padding: 3px 8px; }
  .nav-stat-mini { font-size: .62rem; }
  .nav-stats-chip .nav-rank-pill { font-size: .62rem !important; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-stats-chip { display: none; }
  .nav-right > .nav-gamification { display: none !important; }
  .nav-user-group { display: none; }
  .nav-right .btn-nav-ghost { display: none; }
  .nav-hamburger { display: flex; }
  .nav-logo-text span.nav-logo-red { display: none; }
}

/* ── Scroll reveal (index) ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(36px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal,
.reveal-left,
.reveal-right,
.reveal-scale {
  opacity: 0;
  transition: opacity .75s ease, transform .75s ease;
}
.reveal       { transform: translateY(40px); }
.reveal-left  { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-scale { transform: scale(.88); }
.revealed { opacity: 1 !important; transform: none !important; }
.d1 { transition-delay: .08s; }
.d2 { transition-delay: .16s; }
.d3 { transition-delay: .24s; }
.d4 { transition-delay: .32s; }

/* ── Page headers (index section style) ── */
.page-header {
  background: transparent !important;
  padding: 56px 48px 40px !important;
  text-align: center;
  position: relative;
}
.page-eyebrow {
  display: inline-flex !important;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif !important;
  font-size: .7rem !important;
  font-weight: 700 !important;
  letter-spacing: .15em !important;
  text-transform: uppercase !important;
  color: var(--red) !important;
  margin-bottom: 10px !important;
}
.page-eyebrow::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--red);
  flex-shrink: 0;
}
.page-title {
  font-family: 'Space Grotesk', sans-serif !important;
  font-size: clamp(1.9rem, 3.8vw, 2.9rem) !important;
  font-weight: 800 !important;
  color: #fff !important;
  letter-spacing: -.025em !important;
  line-height: 1.1 !important;
  margin-bottom: 14px !important;
}
.page-sub {
  font-size: .9rem !important;
  color: var(--text3, #9aa3c0) !important;
  line-height: 1.7 !important;
  max-width: 540px;
  margin: 0 auto !important;
}
.page-body {
  max-width: 1280px !important;
  margin: 0 auto !important;
  padding: 0 48px 80px !important;
}

/* ── Buttons ── */
.btn-red,
.login-btn {
  font-family: 'Space Grotesk', sans-serif !important;
  font-weight: 700 !important;
  background: var(--red) !important;
  color: #fff !important;
  border: none !important;
  border-radius: 12px !important;
  transition: all .35s cubic-bezier(.34,1.56,.64,1) !important;
}
.btn-red:hover,
.login-btn:hover {
  background: var(--red-d) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 10px 30px rgba(230,57,70,.4) !important;
}
.btn-ghost,
.kana-tab,
.level-btn {
  font-family: 'Space Grotesk', sans-serif !important;
  transition: all .3s ease !important;
}
.btn-ghost {
  background: transparent !important;
  color: #ccc !important;
  border: 1px solid rgba(255,255,255,.14) !important;
  border-radius: 10px !important;
}
.btn-ghost:hover {
  color: #fff !important;
  border-color: rgba(255,255,255,.35) !important;
  background: rgba(255,255,255,.05) !important;
}
.kana-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.kana-tab {
  background: var(--bg2) !important;
  border: 1px solid var(--border) !important;
  color: #888 !important;
  border-radius: 12px !important;
  padding: 10px 18px !important;
  cursor: pointer;
  font-size: .85rem !important;
  font-weight: 600 !important;
}
.kana-tab:hover,
.kana-tab.active {
  color: #fff !important;
  border-color: rgba(230,57,70,.35) !important;
  background: rgba(230,57,70,.1) !important;
}

/* ── Flashcards ── */
.fc-stage { display: flex; flex-direction: column; align-items: center; }
.fc-card-wrap { perspective: 1200px; }
.fc-card {
  background: var(--bg2) !important;
  border: 1px solid var(--border) !important;
  border-radius: 20px !important;
  box-shadow: 0 24px 60px rgba(0,0,0,.5) !important;
  transition: transform .5s cubic-bezier(.34,1.2,.64,1), box-shadow .35s ease !important;
  cursor: pointer;
}
.fc-card:hover {
  box-shadow: 0 32px 80px rgba(0,0,0,.55), 0 0 0 1px rgba(230,57,70,.12) !important;
}
.fc-jp {
  font-family: 'Noto Sans JP', sans-serif !important;
  font-weight: 900 !important;
}
.fc-stat-chip {
  background: var(--bg2) !important;
  border: 1px solid var(--border) !important;
  border-radius: 100px !important;
  color: #888 !important;
  font-size: .78rem !important;
}
.fc-btn {
  border-radius: 12px !important;
  font-weight: 700 !important;
  transition: all .3s cubic-bezier(.34,1.3,.64,1) !important;
}
.fc-btn-right:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,245,212,.35); }
.fc-btn-wrong:hover  { transform: translateY(-2px); }
.fc-prog-bar {
  background: var(--bg3) !important;
  border-radius: 99px !important;
  overflow: hidden;
}
.fc-prog-fill {
  background: linear-gradient(90deg, var(--red), #ff7070) !important;
  border-radius: 99px !important;
  transition: width .5s cubic-bezier(.34,1.2,.64,1) !important;
}

/* ── Cards & grids ── */
.content-card,
.lesson-card,
.skill-card,
.stat-card,
.login-box,
.pricing-card {
  background: var(--bg2) !important;
  border: 1px solid var(--border) !important;
  border-radius: 18px !important;
  transition: all .4s cubic-bezier(.34,1.3,.64,1) !important;
}
.content-card:hover,
.lesson-card:hover,
.skill-card:hover {
  transform: translateY(-7px) !important;
  border-color: rgba(230,57,70,.25) !important;
  box-shadow: 0 24px 60px rgba(0,0,0,.5) !important;
}

/* Avatar portraits: full-body contain — see flj-rank.css */
.stat-card:hover {
  transform: translateY(-5px) !important;
  border-color: rgba(230,57,70,.28) !important;
  box-shadow: 0 22px 60px rgba(0,0,0,.45) !important;
}
.stat-card .stat-num,
.dash-welcome {
  font-family: 'Space Grotesk', sans-serif !important;
  color: #fff !important;
}
.stat-card .stat-num { color: var(--red) !important; }
.dash-welcome {
  font-size: clamp(1.5rem, 3vw, 2rem) !important;
  font-weight: 800 !important;
}
.dash-sub { color: var(--text3, #9aa3c0) !important; }
.skill-name { color: #fff !important; }
.skill-desc { color: var(--text3, #9aa3c0) !important; }
.skill-badge {
  background: rgba(230,57,70,.1) !important;
  color: var(--red) !important;
  border-color: rgba(230,57,70,.25) !important;
}

/* ── Login ── */
.login-wrap {
  min-height: calc(100vh - 64px) !important;
  background: transparent !important;
}
.login-box {
  box-shadow: 0 32px 80px rgba(0,0,0,.55) !important;
}
.login-logo-jp {
  font-family: 'Noto Sans JP', sans-serif !important;
  color: var(--red) !important;
}
.login-title {
  font-family: 'Space Grotesk', sans-serif !important;
  font-weight: 800 !important;
  color: #fff !important;
}
.login-input {
  background: var(--bg) !important;
  border: 1px solid var(--border) !important;
  color: var(--text) !important;
  border-radius: 10px !important;
  font-family: 'Space Grotesk', sans-serif !important;
  transition: border-color .2s, box-shadow .2s !important;
}
.login-input:focus {
  border-color: var(--red) !important;
  box-shadow: 0 0 0 3px rgba(230,57,70,.15) !important;
}

/* ── Dropdowns / selects (fix white background) ── */
select, option {
  background: var(--bg2) !important;
  color: #fff !important;
}
select:focus {
  outline: none !important;
  border-color: rgba(230,57,70,.45) !important;
  box-shadow: 0 0 0 3px rgba(230,57,70,.15) !important;
}

/* ── Footer (index) ── */
footer,
.footer {
  background: var(--bg2) !important;
  border-top: 1px solid var(--border) !important;
  padding: 48px !important;
  position: relative;
  z-index: 2;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links a,
.footer-inner > div:last-child a {
  font-size: .78rem !important;
  color: #555 !important;
  text-decoration: none !important;
  transition: color .2s !important;
}
.footer-links a:hover,
.footer-inner > div:last-child a:hover {
  color: #aaa !important;
}
.footer-copy { font-size: .73rem; color: var(--text3, #9aa3c0); }

/* ── XP popup ── */
@keyframes xpPop {
  0%   { opacity: 0; transform: translateY(0); }
  15%  { opacity: 1; }
  80%  { opacity: 1; transform: translateY(-24px); }
  100% { opacity: 0; transform: translateY(-32px); }
}

/* ── Premium lock ── */
.premium-lock-overlay {
  background: rgba(0,0,0,.85) !important;
  backdrop-filter: blur(12px);
}
.premium-lock-box {
  background: var(--bg2) !important;
  border: 1px solid var(--border) !important;
  border-radius: 20px !important;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  #main-nav { padding: 0 24px; }
  .page-header { padding-left: 24px !important; padding-right: 24px !important; }
  .page-body { padding-left: 24px !important; padding-right: 24px !important; }
}
@media (max-width: 768px) {
  .nav-links,
  .nav-right .btn-nav-ghost,
  .nav-right .btn-nav-red { display: none; }
  .nav-hamburger { display: flex; }
  .nav-pill { display: none; }
  #main-nav { padding: 0 24px; }
  footer, .footer { padding: 32px 24px !important; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}
/* ── Kana chart — 5×5 gojuon grid (matches home page tiles) ── */
.kana-chart {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 560px;
  margin: 0 auto 48px;
}
.kana-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}
.kana-cell {
  aspect-ratio: 1;
  background: var(--bg2) !important;
  border: 1px solid rgba(255,255,255,0.06) !important;
  border-radius: 10px !important;
  padding: 12px 8px !important;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: all .35s cubic-bezier(.34,1.3,.64,1) !important;
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
}
.kana-cell:hover {
  background: var(--bg3) !important;
  border-color: rgba(230,57,70,.35) !important;
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,.4), 0 0 0 1px rgba(230,57,70,.15);
}
.kana-cell.mastered-kana {
  border-color: rgba(0,245,212,.45) !important;
  background: rgba(0,245,212,.08) !important;
  box-shadow: 0 0 20px rgba(0,245,212,.12);
}
.kana-cell.kana-empty {
  visibility: hidden;
  pointer-events: none;
  box-shadow: none;
}
.kana-char {
  font-family: 'Noto Sans JP', sans-serif !important;
  font-size: clamp(1.4rem, 4vw, 2rem) !important;
  font-weight: 700 !important;
  color: #fff !important;
  line-height: 1 !important;
}
.kana-rom {
  font-family: 'Space Grotesk', sans-serif !important;
  font-size: .72rem !important;
  color: var(--muted) !important;
  opacity: 1 !important;
  letter-spacing: .02em;
}
.kana-quiz-section {
  background: var(--bg2) !important;
  border: 1px solid var(--border) !important;
  border-radius: 20px !important;
  box-shadow: 0 24px 60px rgba(0,0,0,.45) !important;
}
.kana-quiz-char {
  font-family: 'Noto Sans JP', sans-serif !important;
  color: #fff !important;
}
.section-h2 {
  font-family: 'Space Grotesk', sans-serif !important;
  font-size: 1rem !important;
  font-weight: 700 !important;
  color: #fff !important;
  text-align: center;
  margin-bottom: 20px !important;
}

/* ── Study deck page ── */
.study-nav {
  position: fixed !important;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10,10,10,.92) !important;
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border) !important;
  padding: 0 24px !important;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.study-layout { padding-top: 64px; }
.sections-sidebar,
.study-main {
  background: var(--bg2) !important;
  border-color: var(--border) !important;
}
.section-item:hover,
.section-item.active-section {
  background: rgba(230,57,70,.08) !important;
}

/* ── Structured classes (align with home theme) ── */
.site-main:has(.struct-page) { padding-top: 0 !important; }
.struct-page {
  background: var(--bg) !important;
  padding-top: 64px;
  min-height: 100vh;
}
.struct-topbar { background: var(--bg2) !important; border-color: var(--border) !important; }
.struct-sidebar { background: var(--bg2) !important; border-color: var(--border) !important; }
.struct-card {
  background: var(--bg2) !important;
  border: 1px solid var(--border) !important;
  border-radius: 18px !important;
  transition: all .4s cubic-bezier(.34,1.3,.64,1) !important;
}
.struct-card:hover {
  border-color: rgba(230,57,70,.25) !important;
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0,0,0,.45);
}
.topbar-rank-label { color: var(--red) !important; font-family: 'Space Grotesk', sans-serif !important; }

/* Hero buttons (Course page & shared CTAs) */
.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--red);
  color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 14px 30px;
  border-radius: 12px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}
.btn-hero-primary:hover {
  background: var(--red-d);
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(230, 57, 70, 0.45);
}
.btn-hero-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: #ccc;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 30px;
  border-radius: 12px;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.14);
  transition: all 0.3s ease;
}
.btn-hero-ghost:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
}

/* Homepage learning path strip */
#learning-path-section {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg2) 50%, var(--bg) 100%);
}
.path-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  max-width: 1080px;
  margin: 48px auto 0;
  position: relative;
}
.path-steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--red), rgba(230, 57, 70, .2));
  z-index: 0;
}
.path-step {
  position: relative;
  z-index: 1;
  text-align: center;
  text-decoration: none;
  color: inherit;
  padding: 20px 12px;
  border-radius: 16px;
  border: 1px solid transparent;
  transition: all .35s ease;
}
.path-step:hover {
  background: var(--bg2);
  border-color: var(--border);
  transform: translateY(-6px);
}
.path-step-num {
  width: 44px;
  height: 44px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: rgba(230, 57, 70, .12);
  border: 2px solid rgba(230, 57, 70, .35);
  color: var(--red);
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.path-step-icon { font-size: 1.4rem; margin-bottom: 10px; display: block; }
.path-step-title {
  font-size: .82rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.path-step-desc {
  font-size: .68rem;
  color: #a8b0c8;
  line-height: 1.45;
}
.path-hub-cta {
  text-align: center;
  margin-top: 36px;
}
.path-hub-cta a {
  font-size: .88rem;
  font-weight: 700;
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid rgba(230, 57, 70, .4);
  padding-bottom: 2px;
  transition: color .2s;
}
.path-hub-cta a:hover { color: #ff7070; }

/* Mobile only: collapse to hamburger (769px+ keeps Study/Course/Skills + stats). */
@media (max-width: 1100px) {
  .path-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }
  .path-steps::before { display: none; }
}
@media (max-width: 900px) {
  .path-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  #main-nav { padding: 0 24px; }
  .nav-links { display: none; }
  .nav-right .nav-pill { display: none; }
  .nav-hamburger { display: flex; }
  .path-steps {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .path-steps::before { display: none; }
  .path-step {
    display: grid;
    grid-template-columns: 52px 1fr;
    gap: 16px;
    text-align: left;
    align-items: center;
  }
  .path-step-num { margin: 0; grid-row: span 2; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .skip-link { transition: none; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal, .reveal-left, .reveal-right, .reveal-scale {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* Theme switcher button removed — site is dark only */

/* ── Nav collapse fix: full nav needs ~1030px (anon) to ~1140px (signed-in);
   below that the links overflowed under the buttons. Hamburger takes over. ── */
@media (max-width: 1199px) {
  #main-nav .nav-links { display: none !important; }
  #main-nav .nav-right .btn-nav-ghost,
  #main-nav .nav-right .btn-nav-red,
  #main-nav .nav-stats-chip,
  #main-nav .nav-user-group { display: none !important; }
  #main-nav .nav-hamburger { display: flex !important; }
}