/* ═══════════════════════════════════════════════════════════════
   KITANDA — web design system (desktop-first)
   Grounded in the Kitanda mobile DS tokens. Dark flavor default.
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Playfair+Display:ital,wght@0,500;0,600;0,700;0,800;1,500;1,600&display=swap');
@import url('https://fonts.googleapis.com/icon?family=Material+Icons+Round');

:root {
  /* Typefaces */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;

  /* Brand — vibrant violet with indigo↔fuchsia range */
  --purple:       #8B5CF6;
  --purple-lt:    #B794FF;
  --purple-dk:    #6D28D9;
  --indigo:       #6366F1;
  --fuchsia:      #E16BF0;
  --gold:         #D2AF62;
  --gold-soft:    #3A3224;
  --gold-bright:  #FFD700;

  /* Dark surfaces — deep violet-tinted (richer than flat black) */
  --bg:           #0B0912;
  --surface:      #181426A0;
  --surface-2:    #181426;
  --card:         #1E1733;
  --soft:         #1C1730;
  --border:       #2E2747;
  --border-2:     #41386180;

  /* Foreground */
  --fg1:          #FFFFFF;
  --fg2:          #B3ACC8;
  --fg3:          #7A7390;

  /* Semantic */
  --success: #4CAF50;
  --danger:  #FF6B6B;

  /* Rank ladder */
  --rank-caylak: #9E9E9E;
  --rank-kitap:  #81C784;
  --rank-usta:   #4FC3F7;
  --rank-efsane: #FFD700;

  /* Gradients */
  --grad-brand:   linear-gradient(120deg, #6366F1 0%, #8B5CF6 48%, #D946EF 100%);
  --grad-hero:    linear-gradient(135deg, #1A1740 0%, #2A1C52 100%);
  --grad-premium: linear-gradient(140deg, #3A2270 0%, #1B1638 55%, #241040 100%);
  --grad-prestige:linear-gradient(135deg, #0E0D0B 0%, #1E1810 100%);
  --grad-writer:  linear-gradient(135deg, #F59E0B 0%, #EA580C 100%);

  /* Radius */
  --r-sm: 14px;
  --r-md: 18px;
  --r-lg: 24px;
  --r-xl: 30px;

  /* Shadow */
  --shadow-surface:  0 10px 24px rgba(0,0,0,.30);
  --shadow-floating: 0 18px 44px rgba(0,0,0,.42);

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 300ms;

  /* Layout */
  --maxw: 1240px;
  --gutter: 40px;
}

/* ── LIGHT FLAVOR (clean, lavender-tinted day mode) ──────────── */
:root[data-flavor="light"] {
  --purple:    #7C3AED;
  --purple-lt: #6D28D9;
  --purple-dk: #4C1D95;
  --bg:        #F6F5FC;
  --surface:   rgba(255,255,255,.7);
  --surface-2: #FFFFFF;
  --card:      #FFFFFF;
  --soft:      #F0EFF8;
  --border:    #E7E4F2;
  --border-2:  #D7D3E8;
  --fg1:       #15131F;
  --fg2:       #5C5870;
  --fg3:       #908BA4;
  --grad-hero:    linear-gradient(135deg, #F7F8FF 0%, #F2F6FF 100%);
  --grad-premium: linear-gradient(135deg, #F3F0FF 0%, #ECEEFF 100%);
  --shadow-surface:  0 10px 24px rgba(40,30,80,.08);
  --shadow-floating: 0 18px 44px rgba(40,30,80,.14);
}

/* ── PRESTIGE FLAVOR (premium gold-on-black) ───────────────────
   Remaps the accent (--purple*) to gold + parchment surfaces, so
   every accent across the site turns gold when premium is on. */
:root[data-flavor="prestige"] {
  --purple:    #D2AF62;
  --purple-lt: #E6C982;
  --purple-dk: #8A6E2E;
  --bg:        #070708;
  --surface:   rgba(18,19,22,.55);
  --surface-2: #121316;
  --card:      #16140E;
  --soft:      #1A1B1F;
  --border:    #3A3224;
  --border-2:  #5A4D31;
  --fg1:       #F7F1E4;
  --fg2:       #C0B194;
  --fg3:       #8A8170;
  --grad-hero:    linear-gradient(135deg, #0E0D0B 0%, #1E1810 100%);
  --grad-premium: linear-gradient(135deg, #2C2210 0%, #0C0D10 100%);
}

/* ── Premium-conditional visibility ──────────────────────────── */
.premium-only { display: none !important; }
html.pm .premium-only { display: revert !important; }
html.pm .free-only { display: none !important; }
html.pm .when-free { display: none !important; }
.when-premium { display: none; }
html.pm .when-premium { display: inline-flex; }

/* ── Flavor component overrides ──────────────────────────────── */
:root[data-flavor="light"] .nav.scrolled { background: rgba(255,255,255,.84); box-shadow: 0 10px 30px rgba(40,30,80,.08); }
:root[data-flavor="light"] .nav-links a:hover { background: rgba(20,15,40,.05); }
:root[data-flavor="light"] .footer { background: #EFEDF7; }
:root[data-flavor="light"] .marquee-band { background: linear-gradient(180deg, #FFFFFF, #F6F5FC); }
:root[data-flavor="light"] .hero-wall { background-image: url('assets/app_light.png'); opacity: .55; }
:root[data-flavor="light"] .hero-veil { background: linear-gradient(180deg, rgba(246,245,252,.15) 0%, rgba(246,245,252,.55) 60%, var(--bg) 100%); }
:root[data-flavor="light"] .aurora span { mix-blend-mode: multiply; opacity: .2; }
:root[data-flavor="light"] .hero[data-glow]::after { background: radial-gradient(380px 380px at var(--mx,50%) var(--my,30%), rgba(124,58,237,.10), transparent 70%); }
:root[data-flavor="light"] .particles { display: none; }
:root[data-flavor="light"] .pin { background: linear-gradient(180deg, var(--bg), #EFEDF7 12%, #EFEDF7 88%, var(--bg)); }
:root[data-flavor="light"] .float-card { background: rgba(255,255,255,.92) !important; }
:root[data-flavor="light"] .btn-ghost:hover { background: rgba(124,58,237,.08); }
:root[data-flavor="light"] .closer .glowfield { background: radial-gradient(60% 60% at 50% 40%, rgba(124,58,237,.08), transparent 70%); }
:root[data-flavor="light"] .rd-bar { background: rgba(255,255,255,.84); }
:root[data-flavor="prestige"] .hero-wall { background-image: url('assets/app_prestige.png'); }
:root[data-flavor="prestige"] .nav.scrolled { background: rgba(7,7,8,.8); }

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg1);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

.material-icons-round { font-family: 'Material Icons Round'; font-weight: normal; font-style: normal;
  line-height: 1; letter-spacing: normal; text-transform: none; display: inline-block;
  white-space: nowrap; word-wrap: normal; direction: ltr;
  font-feature-settings: 'liga' 1; -webkit-font-feature-settings: 'liga';
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased; }
/* İkon fontu yüklenene kadar ligatür kelimelerini (apple, close…) gösterme */
html:not(.fonts-ready) .material-icons-round { visibility: hidden; }

/* ── Ortak tanıtım (promo) bileşenleri — Studio + Keşfet ── */
.sp-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--border); }
.sp-aurora { position: absolute; inset: -40% -10% auto -10%; height: 620px; pointer-events: none; opacity: .55;
  background:
    radial-gradient(38% 50% at 22% 30%, rgba(124,58,237,.35), transparent 70%),
    radial-gradient(34% 46% at 78% 22%, rgba(231,196,99,.20), transparent 70%),
    radial-gradient(40% 50% at 60% 60%, rgba(159,103,255,.28), transparent 70%); filter: blur(8px); }
.sp-hero .wrap { position: relative; padding: 92px 0 70px; }
.sp-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.sp-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 800; letter-spacing: 1.4px;
  text-transform: uppercase; color: var(--purple-lt); background: rgba(124,58,237,.10); border: 1px solid rgba(124,58,237,.25);
  padding: 7px 13px; border-radius: 999px; }
.sp-title { font-family: var(--font-display); font-size: clamp(34px, 4.6vw, 56px); line-height: 1.04; letter-spacing: -1.2px;
  font-weight: 800; margin: 22px 0 0; color: var(--fg1); }
.sp-title .grad { background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.sp-lead { font-size: 18px; line-height: 1.65; color: var(--fg2); margin: 22px 0 0; max-width: 540px; }
.sp-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.sp-trust { display: flex; gap: 26px; margin-top: 30px; flex-wrap: wrap; }
.sp-trust .n { font-family: var(--font-display); font-size: 24px; font-weight: 800; color: var(--fg1); }
.sp-trust .l { font-size: 13px; color: var(--fg3); margin-top: 2px; }
.sp-section { padding: 76px 0; }
.sp-section.alt { background: var(--surface-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.sp-h2 { font-family: var(--font-display); font-size: clamp(26px, 3vw, 38px); letter-spacing: -.6px; font-weight: 800;
  color: var(--fg1); text-align: center; margin: 0; }
.sp-sub { text-align: center; color: var(--fg2); font-size: 16.5px; margin: 14px auto 0; max-width: 560px; line-height: 1.6; }
.sp-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 48px; }
.sp-card { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 26px 24px;
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease); }
.sp-card:hover { transform: translateY(-4px); border-color: rgba(124,58,237,.4); box-shadow: 0 18px 50px -20px rgba(124,58,237,.4); }
.sp-ic { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; background: var(--grad-brand);
  color: #fff; margin-bottom: 16px; }
.sp-ic .material-icons-round { font-size: 24px; }
.sp-card h3 { font-size: 18px; font-weight: 800; color: var(--fg1); margin: 0 0 8px; letter-spacing: -.2px; }
.sp-card p { font-size: 14.5px; line-height: 1.6; color: var(--fg2); margin: 0; }
.sp-closer { text-align: center; padding: 86px 0; }
.sp-closer .sp-h2 { margin-bottom: 16px; }
@media (max-width: 900px) {
  .sp-grid { grid-template-columns: 1fr; gap: 38px; }
  .sp-features { grid-template-columns: 1fr; }
  .sp-hero .wrap { padding: 64px 0 50px; }
}

/* ── Layout helpers ──────────────────────────────────────────── */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: 92px 0; }
.section-tight { padding: 56px 0; }

/* ── Type ────────────────────────────────────────────────────── */
.display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.04;
  margin: 0;
}
.eyebrow {
  font-size: 12.5px; font-weight: 700; letter-spacing: 2.4px;
  text-transform: uppercase; color: var(--gold);
  display: inline-flex; align-items: center; gap: 10px; margin: 0;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--gold); opacity: .6; }
.h-lg { font-size: 40px; font-weight: 800; letter-spacing: -1px; line-height: 1.06; margin: 0; }
.h-md { font-size: 28px; font-weight: 800; letter-spacing: -.6px; line-height: 1.1; margin: 0; }
.h-sm { font-size: 20px; font-weight: 800; letter-spacing: -.3px; margin: 0; }
.lead { font-size: 18px; line-height: 1.6; color: var(--fg2); margin: 0; }
.muted { color: var(--fg2); }
.fine { font-size: 13px; color: var(--fg3); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 700; letter-spacing: -.1px;
  padding: 13px 22px; border-radius: 999px; border: 1px solid transparent;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
  white-space: nowrap;
}
.btn .material-icons-round { font-size: 19px; }
.btn-primary { background: var(--grad-brand); background-size: 160% 160%; background-position: 0% 50%; color: #fff;
  box-shadow: 0 10px 30px rgba(139,92,246,.42); transition: transform var(--dur) var(--ease), background-position .5s var(--ease), box-shadow var(--dur) var(--ease); }
.btn-primary:hover { background-position: 100% 50%; transform: translateY(-2px); box-shadow: 0 14px 38px rgba(217,70,239,.5); }
.btn-ghost { background: transparent; color: var(--fg1); border-color: var(--border-2); }
.btn-ghost:hover { border-color: var(--purple-lt); background: rgba(139,92,246,.12); }
.btn-gold { background: var(--gold); color: #1a1407; box-shadow: 0 8px 24px rgba(210,175,98,.28); }
.btn-gold:hover { background: #e3c279; transform: translateY(-1px); }
.btn-sm { padding: 9px 16px; font-size: 13.5px; }
.btn-lg { padding: 16px 30px; font-size: 16px; }
:root[data-flavor="prestige"] .btn-primary { background: var(--gold); color: #1a1407; box-shadow: 0 10px 30px rgba(210,175,98,.4); }
:root[data-flavor="prestige"] .btn-primary:hover { background: #e3c279; }

/* ── Chips / pills ───────────────────────────────────────────── */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--fg2);
  padding: 9px 16px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface);
  transition: all var(--dur) var(--ease); cursor: pointer;
}
.chip:hover { color: var(--fg1); border-color: var(--border-2); }
.chip.active { background: var(--purple); color: #fff; border-color: var(--purple); }
.chip.gold.active { background: var(--gold); color: #1a1407; border-color: var(--gold); }

/* ── Badges ──────────────────────────────────────────────────── */
.badge-writer {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 9px; font-weight: 800; letter-spacing: .4px; text-transform: uppercase;
  color: #FFFBEB; background: var(--grad-writer);
  padding: 4px 9px; border-radius: 999px;
}
.badge-prestige {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 700; letter-spacing: .3px;
  color: var(--gold); background: rgba(210,175,98,.12);
  border: 1px solid rgba(210,175,98,.34);
  padding: 5px 12px; border-radius: 999px;
}
.rank-dot { width: 8px; height: 8px; border-radius: 999px; display: inline-block; }

/* ── Card ────────────────────────────────────────────────────── */
.card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-surface);
}

/* ── Scroll progress ─────────────────────────────────────────── */
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 60;
  background: linear-gradient(90deg, var(--purple), var(--gold));
  transform: scaleX(0); transform-origin: 0 50%;
  transition: transform 80ms linear; will-change: transform;
}

/* ── Top navigation ──────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(0px); -webkit-backdrop-filter: blur(0px);
  background: rgba(10,10,15,0);
  border-bottom: 1px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
              backdrop-filter var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.nav.scrolled {
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  background: rgba(10,10,15,.78);
  border-bottom-color: var(--border);
  box-shadow: 0 10px 30px rgba(0,0,0,.3);
}
.nav-inner { display: flex; align-items: center; gap: 32px; height: 74px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 800; font-size: 19px; letter-spacing: -.4px; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.brand .mark { font-family: var(--font-display); font-weight: 700; letter-spacing: 1px; }
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
.nav-links a {
  font-size: 14.5px; font-weight: 600; color: var(--fg2);
  padding: 9px 15px; border-radius: 999px; transition: all var(--dur) var(--ease);
}
.nav-links a:hover { color: var(--fg1); background: rgba(255,255,255,.05); }
.nav-links a.active { color: var(--fg1); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }

/* ── Book cover (CSS-rendered placeholder) ───────────────────── */
.cover {
  position: relative; aspect-ratio: 2/3; border-radius: 10px; overflow: hidden;
  box-shadow: 0 16px 34px rgba(0,0,0,.46);
  border: 1px solid rgba(255,255,255,.06);
}
.cover img { width: 100%; height: 100%; object-fit: cover; }
.cover-css {
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 20px 18px; height: 100%;
}
.cover-css .c-pub { font-size: 9px; font-weight: 700; letter-spacing: 1.6px; text-transform: uppercase; opacity: .7; }
.cover-css .c-title { font-family: var(--font-display); font-size: 25px; font-weight: 700; line-height: 1.05; letter-spacing: -.4px; }
.cover-css .c-author { font-size: 11px; font-weight: 600; letter-spacing: .5px; opacity: .85; text-transform: uppercase; }
.cover-css .c-rule { width: 30px; height: 2px; opacity: .55; margin: 9px 0; }

/* ── Footer ──────────────────────────────────────────────────── */
.footer { border-top: 1px solid var(--border); padding: 64px 0 40px; background: #08080c; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer h4 { font-size: 12px; font-weight: 800; letter-spacing: 1.4px; text-transform: uppercase; color: var(--fg3); margin: 0 0 18px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.footer ul a { font-size: 14px; color: var(--fg2); transition: color var(--dur) var(--ease); }
.footer ul a:hover { color: var(--fg1); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 52px; padding-top: 26px; border-top: 1px solid var(--border); }

/* ── Star rating ─────────────────────────────────────────────── */
.stars { display: inline-flex; gap: 1px; color: var(--gold-bright); }
.stars .material-icons-round { font-size: 16px; }

/* ── Reveal-on-scroll ────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); will-change: opacity, transform; }
.reveal.in { opacity: 1; transform: none; }
.reveal.left  { transform: translateX(-34px); }
.reveal.right { transform: translateX(34px); }
.reveal.scale { transform: scale(.94); }
.reveal.blur  { filter: blur(8px); transition: opacity .8s var(--ease), transform .8s var(--ease), filter .8s var(--ease); }
.reveal.blur.in { filter: none; }

/* ── Keyframes ───────────────────────────────────────────────── */
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@keyframes floaty-2 { 0%,100% { transform: translateY(0) rotate(var(--rot,0deg)); } 50% { transform: translateY(-10px) rotate(var(--rot,0deg)); } }
@keyframes drift { 0% { transform: translate(0,0); } 50% { transform: translate(18px,-22px); } 100% { transform: translate(0,0); } }
@keyframes shimmer { 0% { background-position: -180% 0; } 100% { background-position: 180% 0; } }
@keyframes pulse-glow { 0%,100% { opacity:.5; } 50% { opacity:.85; } }
@keyframes spin-slow { to { transform: rotate(360deg); } }
@keyframes rise-word { from { opacity:0; transform: translateY(110%) rotate(2deg); } to { opacity:1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; filter: none !important; }
  html { scroll-behavior: auto; }
  [data-marquee] *, .floaty, .floaty-2, .drift { animation: none !important; }
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 920px) {
  :root { --gutter: 22px; }
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .section { padding: 64px 0; }
}

/* ── Theme switcher (segmented, injected into nav) ───────────── */
.theme-switch {
  position: relative; display: inline-flex; align-items: center; gap: 2px;
  padding: 4px; border-radius: 999px; background: var(--surface-2);
  border: 1px solid var(--border); box-shadow: inset 0 1px 0 rgba(255,255,255,.03);
}
.theme-switch .glider {
  position: absolute; top: 4px; left: 4px; width: 34px; height: 34px; border-radius: 999px;
  background: var(--purple); transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
  z-index: 0; box-shadow: 0 4px 14px rgba(124,58,237,.4);
}
.theme-switch[data-active="prestige"] .glider { background: linear-gradient(135deg,#E6C982,#C99B3F); box-shadow: 0 4px 16px rgba(210,175,98,.45); }
.theme-switch[data-active="light"] .glider { transform: translateX(0); }
.theme-switch[data-active="dark"] .glider { transform: translateX(36px); }
.theme-switch[data-active="prestige"] .glider { transform: translateX(72px); }
.theme-switch button {
  position: relative; z-index: 1; width: 34px; height: 34px; border-radius: 999px;
  background: none; border: none; display: grid; place-items: center; cursor: pointer;
  color: var(--fg2); transition: color var(--dur) var(--ease);
}
.theme-switch button .material-icons-round { font-size: 18px; }
.theme-switch button[aria-pressed="true"] { color: #fff; }
.theme-switch[data-active="light"] button[data-flavor="light"] { color: #fff; }
.theme-switch[data-active="prestige"] button[data-flavor="prestige"] { color: #1a1407; }
.theme-switch button[data-flavor="prestige"] { color: var(--gold); }
.theme-switch[data-active="prestige"] button[data-flavor="prestige"] .material-icons-round { color: #1a1407; }
@media (max-width: 520px) { .theme-switch { display: none; } }

/* ── Footer social (brand icons) ─────────────────────────────── */
.social-row { display: flex; gap: 10px; margin-top: 20px; }
.soc { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--fg2); transition: all var(--dur) var(--ease); }
.soc:hover { color: var(--fg1); border-color: var(--purple-lt); transform: translateY(-2px); }
html.pm .soc:hover { border-color: var(--gold); }
.soc i { font-size: 17px; }

/* ── Liquid-glass back button (Apple-style) ──────────────────── */
.back {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; color: var(--fg1);
  padding: 9px 16px 9px 12px; border-radius: 999px; margin-bottom: 16px;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(18px) saturate(1.5); -webkit-backdrop-filter: blur(18px) saturate(1.5);
  box-shadow: 0 6px 20px rgba(0,0,0,.22), inset 0 1px 0 rgba(255,255,255,.22), inset 0 -1px 0 rgba(0,0,0,.14);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.back:hover { background: rgba(255,255,255,.13); border-color: rgba(255,255,255,.24); transform: translateY(-1px); }
.back .material-icons-round { font-size: 18px; }
:root[data-flavor="light"] .back {
  background: rgba(20,15,40,.05); border-color: rgba(20,15,40,.1);
  box-shadow: 0 6px 18px rgba(40,30,80,.1), inset 0 1px 0 rgba(255,255,255,.7);
}
:root[data-flavor="light"] .back:hover { background: rgba(20,15,40,.09); }
:root[data-flavor="prestige"] .back { border-color: rgba(210,175,98,.28); box-shadow: 0 6px 20px rgba(0,0,0,.3), inset 0 1px 0 rgba(255,231,176,.2); }

/* ── Prestige badge + lock overlay ───────────────────────────── */
.prestige-pill {
  display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 800;
  letter-spacing: .3px; color: #1a1407; background: linear-gradient(135deg, #E6C982, #C99B3F);
  padding: 4px 11px; border-radius: 999px; box-shadow: 0 4px 14px rgba(210,175,98,.3);
}
.prestige-pill .material-icons-round { font-size: 14px; }

.lock-wrap { position: relative; }
.lock-overlay {
  position: absolute; inset: 0; z-index: 4; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 8px; text-align: center; padding: 18px;
  background: linear-gradient(180deg, rgba(7,7,8,.55), rgba(7,7,8,.86));
  backdrop-filter: blur(3px); border-radius: inherit; color: #fff;
}
.lock-overlay .material-icons-round { color: var(--gold); font-size: 26px; }
.lock-overlay .lk-t { font-weight: 700; font-size: 13.5px; }
.lock-overlay .lk-s { font-size: 12px; color: rgba(255,255,255,.7); max-width: 200px; line-height: 1.4; }
html.pm .lock-overlay { display: none; }
html.pm .lock-wrap .lock-blur { filter: none !important; }
.lock-wrap .lock-blur { filter: blur(2px) saturate(.7); opacity: .6; transition: filter var(--dur), opacity var(--dur); }
html.pm .lock-wrap .lock-blur { opacity: 1; }

/* ── Auth modal (injected by JS) ─────────────────────────────── */
.auth-ov {
  position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center;
  padding: 24px; background: rgba(6,5,12,.66); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  opacity: 0; pointer-events: none; transition: opacity .3s var(--ease);
}
.auth-ov.open { opacity: 1; pointer-events: auto; }
.auth-modal {
  width: 100%; max-width: 432px; background: var(--surface-2); border: 1px solid var(--border-2);
  border-radius: 26px; box-shadow: 0 40px 90px rgba(0,0,0,.6); padding: 34px 34px 28px;
  position: relative; transform: translateY(14px) scale(.98); transition: transform .35s var(--ease);
  max-height: calc(100vh - 48px); overflow-y: auto;
}
.auth-ov.open .auth-modal { transform: none; }
.auth-modal .x { position: absolute; top: 16px; right: 16px; width: 38px; height: 38px; border-radius: 999px;
  background: none; border: none; color: var(--fg2); display: grid; place-items: center; cursor: pointer; transition: all var(--dur) var(--ease); }
.auth-modal .x:hover { background: rgba(255,255,255,.06); color: var(--fg1); }
.auth-modal .a-brand { display: flex; align-items: center; gap: 11px; justify-content: center; margin-bottom: 18px; }
.auth-modal .a-brand img { width: 40px; height: 40px; border-radius: 11px; }
.auth-modal .a-brand .mark { font-family: var(--font-display); font-weight: 700; font-size: 22px; letter-spacing: 1px; }
.auth-modal h2 { font-family: var(--font-display); font-size: 27px; letter-spacing: -.4px; text-align: center; margin: 0; }
.auth-modal .a-sub { text-align: center; color: var(--fg2); font-size: 14px; margin: 8px 0 26px; line-height: 1.5; }
.a-social { display: flex; flex-direction: column; gap: 10px; }
.a-social button { display: flex; align-items: center; justify-content: center; gap: 11px; width: 100%;
  font-size: 14.5px; font-weight: 700; padding: 13px; border-radius: 14px; cursor: pointer; transition: all var(--dur) var(--ease); border: 1px solid var(--border-2); }
.a-social .g { background: #fff; color: #1f1f1f; border-color: #fff; }
.a-social .g:hover { background: #f0f0f0; transform: translateY(-1px); }
.a-social .ap { background: #111; color: #fff; border-color: #2a2a2a; }
.a-social .ap:hover { background: #000; transform: translateY(-1px); }
:root[data-flavor="light"] .a-social .ap { background: #111; color: #fff; }
.a-social .gicon { font-weight: 800; font-size: 17px; font-family: Arial, sans-serif;
  background: conic-gradient(from -45deg, #EA4335 0 25%, #FBBC05 0 50%, #34A853 0 75%, #4285F4 0); -webkit-background-clip: text; background-clip: text; color: transparent; }
.a-social .ap .material-icons-round { font-size: 19px; }
.a-or { display: flex; align-items: center; gap: 14px; margin: 20px 0; color: var(--fg3); font-size: 12px; font-weight: 600; }
.a-or::before, .a-or::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.a-field { margin-bottom: 12px; }
.a-field label { display: block; font-size: 12.5px; font-weight: 600; color: var(--fg2); margin-bottom: 7px; }
.a-input { display: flex; align-items: center; gap: 10px; background: var(--surface); border: 1px solid var(--border-2);
  border-radius: 13px; padding: 12px 15px; transition: border-color var(--dur) var(--ease); }
.a-input:focus-within { border-color: var(--purple); }
.a-input .material-icons-round { font-size: 19px; color: var(--fg3); }
.a-input input { flex: 1; background: none; border: none; outline: none; color: var(--fg1); font-family: inherit; font-size: 14.5px; }
.a-input input::placeholder { color: var(--fg3); }
.auth-modal .signup-only { display: none; }
.auth-modal.mode-signup .signup-only { display: revert; }
.auth-modal.mode-signup .login-only { display: none; }
.a-submit { width: 100%; justify-content: center; margin-top: 6px; }
.a-foot { text-align: center; font-size: 13.5px; color: var(--fg2); margin-top: 20px; }
.a-foot a { color: var(--purple-lt); font-weight: 700; cursor: pointer; }
.a-terms { text-align: center; font-size: 11.5px; color: var(--fg3); margin-top: 14px; line-height: 1.5; }
.a-terms a { color: var(--fg2); text-decoration: underline; }
.a-err { background: rgba(255,107,107,.12); border: 1px solid rgba(255,107,107,.3); color: #ff9a9a;
  font-size: 12.5px; padding: 9px 13px; border-radius: 11px; margin-bottom: 12px; display: none; }
.a-err.show { display: block; }

/* logged-in nav chip + menu */
.user-chip { display: inline-flex; align-items: center; gap: 9px; padding: 5px 7px 5px 12px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border); cursor: pointer; transition: border-color var(--dur) var(--ease);
  color: var(--fg1); font-family: inherit; }
.user-chip .u-name { color: var(--fg1); }
.user-menu .u-head .n { color: var(--fg1); }
.user-chip:hover { border-color: var(--border-2); }
.user-chip .u-name { font-size: 13.5px; font-weight: 700; }
.user-chip .u-ava { width: 30px; height: 30px; border-radius: 999px; display: grid; place-items: center;
  font-weight: 800; font-size: 12.5px; color: #fff; background: var(--grad-brand); }
html.pm .user-chip .u-ava { background: linear-gradient(135deg,#E6C982,#C99B3F); color: #1a1407; }
.user-chip .material-icons-round { font-size: 18px; color: var(--fg3); }
.user-wrap { position: relative; }
.user-menu { position: absolute; top: calc(100% + 10px); right: 0; width: 220px; background: var(--surface-2);
  border: 1px solid var(--border-2); border-radius: 16px; box-shadow: var(--shadow-floating); padding: 8px;
  opacity: 0; transform: translateY(-8px); pointer-events: none; transition: all .22s var(--ease); z-index: 60; }
.user-menu.open { opacity: 1; transform: none; pointer-events: auto; }
.user-menu .u-head { padding: 12px 12px 13px; border-bottom: 1px solid var(--border); margin-bottom: 6px; }
.user-menu .u-head .n { font-weight: 700; font-size: 14px; }
.user-menu .u-head .e { font-size: 12px; color: var(--fg3); margin-top: 2px; }
.user-menu a { display: flex; align-items: center; gap: 11px; padding: 10px 12px; border-radius: 10px; font-size: 14px; color: var(--fg2); transition: all var(--dur) var(--ease); cursor: pointer; }
.user-menu a:hover { background: rgba(255,255,255,.05); color: var(--fg1); }
:root[data-flavor="light"] .user-menu a:hover { background: rgba(20,15,40,.05); }
.user-menu a .material-icons-round { font-size: 19px; }
.user-menu a.danger { color: var(--danger); }

/* toast */
.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px); z-index: 110;
  background: var(--surface-2); border: 1px solid var(--border-2); border-radius: 999px; padding: 12px 20px;
  box-shadow: var(--shadow-floating); font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 9px;
  opacity: 0; pointer-events: none; transition: all .35s var(--ease); }
.toast.show { opacity: 1; transform: translateX(-50%); }
.toast .material-icons-round { color: var(--success); font-size: 19px; }