/*
  Nébula Stream - premium visual system
  Safe replacement stylesheet for index.html
*/

:root{
  --bg0:#04070e;
  --bg1:#09111d;
  --bg2:#0f1a28;
  --surface:rgba(9,14,24,.76);
  --surface-strong:rgba(9,14,24,.90);
  --surface-soft:rgba(255,255,255,.05);
  --stroke:rgba(255,255,255,.14);
  --stroke-strong:rgba(255,255,255,.22);
  --stroke-soft:rgba(255,255,255,.08);
  --text:rgba(244,247,255,.96);
  --muted:rgba(244,247,255,.72);
  --muted2:rgba(244,247,255,.56);
  --accent:#7dd3fc;
  --accent2:#b388ff;
  --accent3:#66f0c2;
  --warn:#ffd37b;
  --danger:#ff7d95;
  --shadow:0 24px 70px rgba(0,0,0,.42);
  --shadow-soft:0 14px 38px rgba(0,0,0,.26);
  --radius:18px;
  --radius-lg:26px;
  --radius-xl:34px;
  --blur:18px;
  --container:1180px;
  --focus:0 0 0 3px rgba(125,211,252,.24);
}

:root[data-theme="light"]{
  --bg0:#f4f7ff;
  --bg1:#e9efff;
  --bg2:#dce6ff;
  --surface:rgba(255,255,255,.76);
  --surface-strong:rgba(255,255,255,.92);
  --surface-soft:rgba(11,17,31,.05);
  --stroke:rgba(11,17,31,.12);
  --stroke-strong:rgba(11,17,31,.18);
  --stroke-soft:rgba(11,17,31,.08);
  --text:rgba(10,18,35,.96);
  --muted:rgba(10,18,35,.72);
  --muted2:rgba(10,18,35,.55);
  --shadow:0 24px 70px rgba(11,17,31,.16);
  --shadow-soft:0 14px 38px rgba(11,17,31,.12);
  --focus:0 0 0 3px rgba(89,140,255,.22);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  color:var(--text);
  font-family:"Segoe UI Variable","Segoe UI","Aptos","Trebuchet MS",sans-serif;
  line-height:1.5;
  overflow-x:hidden;
  background:
    radial-gradient(1100px 700px at 12% 8%, rgba(125,211,252,.05), transparent 62%),
    radial-gradient(900px 620px at 88% 12%, rgba(179,136,255,.05), transparent 60%),
    radial-gradient(900px 760px at 50% 92%, rgba(102,240,194,.03), transparent 62%),
    linear-gradient(180deg, var(--bg0), var(--bg1) 52%, var(--bg2));
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(transparent 0 0),
    radial-gradient(circle at center, rgba(255,255,255,.05) 0, transparent 65%);
  opacity:.10;
  mix-blend-mode:screen;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:72px 72px;
  mask-image: radial-gradient(circle at 50% 18%, black 0%, transparent 70%);
  opacity:.11;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
strong{font-weight:800}
::selection{background:rgba(125,211,252,.28);color:var(--text)}

:focus-visible{outline:none;box-shadow:var(--focus)}

.container{
  width:min(var(--container), calc(100% - 32px));
  margin-inline:auto;
}

.bg-orbs{position:fixed;inset:0;pointer-events:none;z-index:-1;overflow:hidden}
.orb{position:absolute;filter:blur(54px);opacity:.8;transform:translateZ(0);animation:drift 22s ease-in-out infinite}
.orb-a{
  width:540px;height:540px;left:-140px;top:-120px;
  background:radial-gradient(circle at 30% 30%, rgba(179,136,255,.92), transparent 60%);
}
.orb-b{
  width:620px;height:620px;right:-180px;top:-180px;animation-duration:26s;
  background:radial-gradient(circle at 35% 35%, rgba(125,211,252,.86), transparent 60%);
}
.orb-c{
  width:680px;height:680px;left:20%;bottom:-280px;animation-duration:29s;
  background:radial-gradient(circle at 35% 35%, rgba(102,240,194,.56), transparent 62%);
}
@keyframes drift{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(18px,-18px,0) scale(1.05)}
}

.glass{
  background:linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.035));
  border:1px solid var(--stroke);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(var(--blur));
  -webkit-backdrop-filter:blur(var(--blur));
}
:root[data-theme="light"] .glass{
  background:linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.62));
}

.muted{color:var(--muted)}
.small-text{color:var(--muted);font-size:13px}

.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin:0 0 14px;
  padding:8px 14px;
  border-radius:999px;
  border:1px solid var(--stroke-soft);
  background:rgba(255,255,255,.045);
  color:var(--muted);
  letter-spacing:.18px;
}

.header{
  position:sticky;
  top:0;
  z-index:70;
  border-bottom:1px solid var(--stroke-soft);
  background:linear-gradient(180deg, rgba(3,7,16,.72), rgba(3,7,16,.24));
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
:root[data-theme="light"] .header{
  background:linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.58));
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
}
.brand img,
.footer__brand img{
  width:52px;
  height:52px;
  object-fit:contain;
  flex:0 0 auto;
  filter:drop-shadow(0 16px 30px rgba(0,0,0,.22));
}
.brand__text{display:flex;flex-direction:column;line-height:1.08;min-width:0}
.brand__name{font-weight:900;letter-spacing:.25px}
.brand__sub{font-size:12px;color:var(--muted);margin-top:3px}

.nav{
  display:flex;
  align-items:center;
  gap:10px;
}
.nav__link{
  padding:9px 12px;
  border-radius:999px;
  color:var(--muted);
  border:1px solid transparent;
  transition:transform .16s ease, background .16s ease, border-color .16s ease, color .16s ease;
}
.nav__link:hover{
  transform:translateY(-1px);
  color:var(--text);
  border-color:var(--stroke-soft);
  background:rgba(255,255,255,.07);
}

.header__actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}

.icon-btn,
.pill-btn,
.cta-btn,
.ghost-btn,
.text-btn,
.small-btn,
.buy-btn,
.danger-btn,
.btn,
.btn--premium{
  transition:transform .16s ease, background .16s ease, border-color .16s ease, filter .16s ease, box-shadow .16s ease;
}

.icon-btn{
  width:42px;height:42px;
  border-radius:14px;
  border:1px solid var(--stroke-soft);
  background:rgba(255,255,255,.045);
  color:var(--text);
  display:grid;
  place-items:center;
  box-shadow:0 8px 24px rgba(0,0,0,.16);
}
.icon-btn:hover{transform:translateY(-1px);border-color:var(--stroke);background:rgba(255,255,255,.08)}
.icon-btn:active{transform:translateY(0)}

.pill-btn{
  height:42px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--stroke-soft);
  background:rgba(255,255,255,.045);
  color:var(--text);
  display:inline-flex;
  align-items:center;
  gap:10px;
  box-shadow:0 8px 24px rgba(0,0,0,.16);
}
.pill-btn:hover{transform:translateY(-1px);border-color:var(--stroke);background:rgba(255,255,255,.08)}
.pill-btn--primary{
  border-color:rgba(125,211,252,.22);
  background:linear-gradient(135deg, rgba(125,211,252,.16), rgba(179,136,255,.10));
}
.pill-btn__dot{
  width:10px;height:10px;border-radius:999px;
  background:radial-gradient(circle at 30% 30%, rgba(102,240,194,.98), rgba(102,240,194,.30));
  box-shadow:0 0 0 4px rgba(102,240,194,.12);
}
.badge{
  display:inline-grid;
  place-items:center;
  min-width:22px;
  height:22px;
  padding:0 7px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid var(--stroke-soft);
  font-size:12px;
  color:var(--text);
}

.hero{padding:38px 0 14px}
.hero__grid{
  display:grid;
  grid-template-columns:1.25fr .78fr;
  gap:18px;
  align-items:start;
}
.hero__copy,
.hero__side{animation:fadeUp .7s ease both}
.hero__side{animation-delay:.08s}
@keyframes fadeUp{
  from{opacity:0;transform:translateY(14px)}
  to{opacity:1;transform:translateY(0)}
}
.hero__copy{
  padding:28px;
  position:relative;
  overflow:hidden;
  isolation:isolate;
}
.hero__copy::before{
  content:"";
  position:absolute;
  inset:-1px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), transparent 32%),
    radial-gradient(circle at 18% 18%, rgba(125,211,252,.10), transparent 28%),
    radial-gradient(circle at 88% 78%, rgba(179,136,255,.08), transparent 22%),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:auto, auto, auto, 28px 28px, 28px 28px;
  opacity:.24;
  pointer-events:none;
  mask:linear-gradient(180deg, rgba(0,0,0,.95), rgba(0,0,0,.35) 86%, transparent);
}
.hero__copy::after{
  content:"";
  position:absolute;
  inset:auto -10% -35% auto;
  width:260px;height:260px;
  background:radial-gradient(circle, rgba(125,211,252,.10), transparent 65%);
  pointer-events:none;
}
.hero__title{
  margin:0 0 12px;
  font-size:clamp(32px, 4vw, 58px);
  line-height:1.02;
  letter-spacing:-.05em;
}
.hero__title-accent{
  display:inline-block;
  background:linear-gradient(90deg, #c9d4ff, #8bcfff 52%, #95efd8 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero__desc{
  margin:0 0 20px;
  max-width:64ch;
  color:var(--muted);
  font-size:1.02rem;
}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.hero__signal{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:0 0 18px;
}
.hero__signal-chip{
  display:inline-flex;
  align-items:center;
  min-height:30px;
  padding:0 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  color:var(--muted);
  font-size:12px;
  letter-spacing:.03em;
}
.cta-btn,
.ghost-btn,
.btn,
.btn--premium{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:0 18px;
  border-radius:16px;
  border:1px solid var(--stroke-soft);
  color:var(--text);
}
.cta-btn{
  border-color:rgba(125,211,252,.24);
  background:linear-gradient(135deg, rgba(125,211,252,.18), rgba(179,136,255,.10));
  box-shadow:0 14px 30px rgba(0,0,0,.22);
}
.cta-btn:hover,
.ghost-btn:hover,
.text-btn:hover,
.small-btn:hover,
.buy-btn:hover,
.danger-btn:hover,
.btn:hover,
.btn--premium:hover{
  transform:translateY(-1px);
  filter:brightness(1.05);
}
.ghost-btn{
  background:rgba(255,255,255,.045);
}

.hero__stats{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:12px;
}
.hero__mini{margin-top:18px}
.stat-card{
  padding:14px 14px 15px;
  border-radius:18px;
  border:1px solid var(--stroke-soft);
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
}
.stat-card__value{
  font-weight:900;
  letter-spacing:-.03em;
  margin-bottom:6px;
  color:#fff;
}
.stat-card__label{font-size:13px;color:var(--muted)}

.hero__side{
  padding:20px;
  position:sticky;
  top:90px;
  border-radius:28px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03)),
    radial-gradient(circle at top right, rgba(125,211,252,.08), transparent 30%);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 20px 56px rgba(0,0,0,.22), inset 0 1px 0 rgba(255,255,255,.08);
}
.side__section + .side__section{margin-top:12px}
.side__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:10px;
}
.side__title{margin:0;font-size:14px;letter-spacing:.04em;text-transform:uppercase}
.side__pulse{
  height:1px;
  margin:2px 0 12px;
  background:linear-gradient(90deg, transparent, rgba(125,211,252,.28), rgba(179,136,255,.18), transparent);
  position:relative;
}
.side__pulse::after{
  content:"";
  position:absolute;
  inset:-3px auto -3px 50%;
  width:42px;
  transform:translateX(-50%);
  background:radial-gradient(circle, rgba(102,240,194,.65), transparent 70%);
  filter:blur(1px);
}
.text-btn{
  border:1px solid transparent;
  background:transparent;
  color:var(--muted);
  border-radius:999px;
  padding:7px 10px;
}
.text-btn:hover{border-color:var(--stroke-soft);background:rgba(255,255,255,.07)}
.chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:30px;
  padding:0 11px;
  border-radius:999px;
  border:1px solid var(--stroke-soft);
  background:rgba(255,255,255,.06);
  color:var(--muted);
  font-size:12px;
}
.side__hint{margin:0 0 12px;color:var(--muted);font-size:13px}
.side__hint--tight{margin:2px 0 0}
.side__content{display:grid;gap:10px}
.side__divider{
  height:1px;
  margin:16px 0;
  background:linear-gradient(90deg, transparent, var(--stroke-soft), transparent);
}
.mini-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 14px;
  border-radius:16px;
  border:1px solid var(--stroke-soft);
  background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
}
.mini-item span{
  color:var(--muted);
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.06em;
}
.mini-item strong{
  min-width:0;
  text-align:right;
  font-size:13px;
  line-height:1.2;
}
.mini-item strong{
  min-width:0;
  text-align:right;
  font-size:13px;
  line-height:1.2;
}
.side-row,
.detail__row,
.sum-row,
.order,
.quote,
.mini-card,
.cart-item,
.cart__summary,
.empty,
.card,
.form,
.pay-method-btn{
  border:1px solid var(--stroke-soft);
  background:rgba(255,255,255,.05);
}
.mini-card{
  border-radius:24px;
  padding:16px;
}
.mini-card__title{
  margin:0 0 12px;
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--muted2);
}
.mini-card__body{display:grid;gap:10px}
.side-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:11px 12px;
  border-radius:18px;
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
}
.side-row__label{color:var(--muted);font-size:13px}
.side-row__value{font-weight:800;min-width:0;text-align:right}

.section{padding:50px 0}
.section--alt{
  background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.03));
  border-top:1px solid rgba(255,255,255,.04);
  border-bottom:1px solid rgba(255,255,255,.04);
}
.section__head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:18px;
}
.section__text{max-width:72ch}
.section__title{margin:0 0 6px;font-size:clamp(22px, 2.3vw, 30px);letter-spacing:-.03em}
.section__sub{margin:0;color:var(--muted);max-width:70ch}
.section__actions{display:flex;gap:10px;flex-wrap:wrap}

.filters{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:flex-end;
  padding:14px;
  border-radius:var(--radius-lg);
}
.field{
  display:grid;
  gap:7px;
  min-width:180px;
  flex:1 1 180px;
}
.field--inline{min-width:200px}
.field__label{font-size:12px;color:var(--muted);letter-spacing:.03em}
.field__input,
.field__select,
.select,
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
input[type="number"],
input[type="search"],
textarea{
  width:100%;
  min-height:42px;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--stroke-soft);
  background:rgba(255,255,255,.06);
  color:var(--text);
  outline:none;
  transition:border-color .16s ease, background .16s ease, box-shadow .16s ease;
}
:root:not([data-theme="light"]) .field__select,
:root:not([data-theme="light"]) .select,
:root:not([data-theme="light"]) select{
  color-scheme: dark;
}
:root[data-theme="light"] .field__select,
:root[data-theme="light"] .select,
:root[data-theme="light"] select{
  color-scheme: light;
}
select option,
select optgroup{
  color:var(--text);
  background:var(--surface-strong);
}
textarea{resize:vertical;min-height:104px}
.field__input::placeholder,
input::placeholder,
textarea::placeholder{color:var(--muted2)}
.field__input:focus,
.field__select:focus,
.select:focus,
input:focus,
textarea:focus{
  border-color:rgba(125,211,252,.34);
  background:rgba(255,255,255,.09);
  box-shadow:var(--focus);
}

.grid{
  display:grid;
  grid-template-columns:repeat(4, minmax(0, 1fr));
  gap:14px;
}
.grid--recs{grid-template-columns:repeat(4, minmax(0, 1fr))}

.book{
  overflow:hidden;
  display:flex;
  flex-direction:column;
  min-height:100%;
  border-radius:22px;
  border:1px solid rgba(255,255,255,.06);
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.018));
  box-shadow:0 14px 32px rgba(0,0,0,.16), inset 0 1px 0 rgba(255,255,255,.03);
  position:relative;
}
.book::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(255,255,255,.03), transparent 28%);
  pointer-events:none;
}
.book::after{
  content:"";
  position:absolute;
  inset:auto 14px 14px 14px;
  height:1px;
  background:linear-gradient(90deg, transparent, rgba(125,211,252,.12), rgba(102,240,194,.08), transparent);
  opacity:.28;
  pointer-events:none;
}
.book:hover{transform:translateY(-4px);border-color:rgba(125,211,252,.10);box-shadow:0 18px 34px rgba(0,0,0,.20)}
.book__cover{
  width:100%;
  height:370px;
  object-fit:cover;
  padding:0;
  box-sizing:border-box;
  background:rgba(255,255,255,.02);
  border-bottom:1px solid rgba(255,255,255,.045);
  transition:transform .28s ease, filter .28s ease;
}
.book:hover .book__cover{transform:scale(1.02);filter:saturate(1.05) contrast(1.02)}
.book__body{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:13px 14px 14px;
  flex:1;
}
.book__meta{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.book__title{
  margin:0;
  font-size:13px;
  line-height:1.22;
  letter-spacing:-.02em;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.book__author{
  margin-top:4px;
  color:var(--muted2);
  font-size:13px;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.price{font-weight:900;white-space:nowrap}
.book__chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.tag{
  display:inline-flex;
  align-items:center;
  min-height:28px;
  padding:0 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.05);
  background:rgba(255,255,255,.028);
  color:var(--muted2);
  font-size:11px;
  white-space:nowrap;
  max-width:100%;
  overflow:hidden;
  text-overflow:ellipsis;
}
.book__actions{display:flex;gap:10px;margin-top:auto;flex-wrap:wrap}
.small-btn{
  min-height:40px;
  padding:0 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.05);
  background:rgba(255,255,255,.03);
  color:var(--text);
  flex:1;
}
.small-btn--primary{
  border-color:rgba(125,211,252,.10);
  background:linear-gradient(135deg, rgba(125,211,252,.08), rgba(179,136,255,.05));
}

.empty{
  margin-top:16px;
  padding:18px;
  text-align:center;
  border-radius:var(--radius-lg);
}
.empty__title{font-weight:900;margin-bottom:6px}
.empty__desc{color:var(--muted)}

.cols{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:16px;
}
.card{padding:18px;border-radius:var(--radius-lg)}
.card__title{margin:0 0 8px;font-size:16px}
.card__text{margin:0 0 12px;color:var(--muted)}
.bullets{
  margin:0;
  padding-left:18px;
  color:var(--muted);
  display:grid;
  gap:8px;
}
.testimonials{display:grid;gap:12px}
.quote{padding:14px;border-radius:18px}
.quote__stars{font-size:12px;color:var(--warn);letter-spacing:.12em}
.quote__text{margin:6px 0;color:var(--text)}
.quote__meta{color:var(--muted);font-size:12px}

.faq{display:grid;gap:12px}
.faq__item{
  border-radius:22px;
  padding:0;
  overflow:hidden;
}
.faq__item[open]{border-color:var(--stroke-strong)}
.faq__q{
  list-style:none;
  cursor:pointer;
  padding:16px 18px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.faq__q::-webkit-details-marker{display:none}
.faq__q::after{content:"+";color:var(--muted);font-size:20px;line-height:1}
.faq__item[open] .faq__q::after{content:"–"}
.faq__a,
.support__steps{
  padding:0 18px 18px;
  color:var(--muted);
}
.support__steps{display:grid;gap:12px}
.support__list{margin:0;padding-left:18px;display:grid;gap:8px}

.footer{
  padding:30px 0 40px;
  border-top:1px solid rgba(255,255,255,.05);
}
.footer__grid{
  display:grid;
  grid-template-columns:1.15fr .7fr .55fr;
  gap:18px;
  align-items:start;
}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.footer__name{font-weight:900;letter-spacing:.02em}
.footer__text{margin:0;color:var(--muted);max-width:58ch}
.footer__links{display:grid;gap:8px;align-content:start}
.footer__links a{
  padding:8px 10px;
  border-radius:12px;
  color:var(--muted);
  border:1px solid transparent;
  width:fit-content;
}
.footer__links a:hover{color:var(--text);border-color:var(--stroke-soft);background:rgba(255,255,255,.06)}
.footer__meta{display:grid;gap:6px;justify-items:end}

.modal{
  position:fixed;
  inset:0;
  display:none;
  z-index:120;
}
.modal[aria-hidden="false"]{display:block}
.modal__backdrop{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,.58);
  backdrop-filter:blur(4px);
}
:root[data-theme="light"] .modal__backdrop{background:rgba(12,18,35,.28)}
.modal__panel{
  position:relative;
  width:min(1220px, calc(100% - 24px));
  max-height:min(90vh, 900px);
  margin:56px auto;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  border:1px solid var(--stroke);
  border-radius:28px;
  background:linear-gradient(180deg, rgba(12,18,35,.94), rgba(10,16,30,.88));
  box-shadow:0 30px 90px rgba(0,0,0,.52);
  backdrop-filter:blur(22px);
  -webkit-backdrop-filter:blur(22px);
}
.modal__panel--pay{width:min(860px, calc(100% - 24px))}
.modal__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:16px 16px 12px;
  border-bottom:1px solid var(--stroke-soft);
  background:linear-gradient(180deg, rgba(255,255,255,.04), transparent);
}
.modal__title{font-weight:900;letter-spacing:.02em}
.modal__body{
  padding:18px;
  overflow:auto;
}

.detail{
  display:grid;
  grid-template-columns:260px 1fr;
  gap:16px;
  align-items:start;
}
.detail__cover{
  overflow:hidden;
  border-radius:18px;
  border:1px solid var(--stroke-soft);
  background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  box-shadow:0 18px 44px rgba(0,0,0,.24);
}
.detail__cover{
  height:420px;
}
.detail__cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  padding:0;
  box-sizing:border-box;
}
.detail__title{margin:0 0 6px;font-size:20px;letter-spacing:-.03em}
.detail__author{margin:0 0 10px;color:var(--muted)}
.detail__desc{margin:0 0 14px;color:var(--muted)}
.detail__row{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center;
  padding:11px 12px;
  border-radius:16px;
  margin-bottom:12px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--stroke-soft);
}
.detail__actions{display:flex;gap:10px;flex-wrap:wrap}
.detail__actions .small-btn{flex:0 0 auto}

.cart{display:grid;gap:12px}
.cart__items{display:grid;gap:12px}
.cart-item{
  display:grid;
  grid-template-columns:64px 1fr auto;
  gap:12px;
  align-items:center;
  padding:12px;
  border-radius:22px;
}
.cart-item__thumb{
  width:64px;height:84px;
  border-radius:10px;
  overflow:hidden;
  border:1px solid var(--stroke-soft);
  background:rgba(255,255,255,.05);
}
.cart-item__thumb img{width:100%;height:100%;object-fit:cover;padding:0;box-sizing:border-box;background:rgba(255,255,255,.04)}
.cart-item__title{margin:0;font-weight:900;font-size:13px;line-height:1.22}
.cart-item__meta{color:var(--muted);font-size:12px;margin-top:4px}
.cart-item__right{display:grid;gap:10px;justify-items:end}
.qty{
  display:flex;
  align-items:center;
  gap:10px;
  padding:6px;
  border-radius:999px;
  border:1px solid var(--stroke-soft);
  background:rgba(255,255,255,.05);
}
.qty button{
  width:30px;height:30px;
  border-radius:999px;
  border:1px solid var(--stroke-soft);
  background:rgba(255,255,255,.07);
  color:var(--text);
}
.qty span{min-width:18px;text-align:center;font-weight:900}
.cart__summary{padding:14px;border-radius:22px;display:grid;gap:10px}
.sum-row{display:flex;justify-content:space-between;gap:10px;padding:0;border:none;background:transparent;color:var(--muted)}
.sum-row strong{color:var(--text)}
.cart__actions{display:flex;gap:10px;flex-wrap:wrap}
.buy-btn{
  min-height:46px;
  padding:0 18px;
  border-radius:16px;
  border:1px solid rgba(102,240,194,.34);
  background:linear-gradient(135deg, rgba(102,240,194,.22), rgba(125,211,252,.14));
  color:var(--text);
  font-weight:900;
}
.danger-btn{
  min-height:46px;
  padding:0 18px;
  border-radius:16px;
  border:1px solid rgba(255,125,149,.30);
  background:rgba(255,125,149,.12);
  color:var(--text);
}

.account{
  display:grid;
  grid-template-columns:minmax(280px, .92fr) 1.08fr;
  gap:16px;
}
.form{
  display:grid;
  gap:12px;
  padding:16px;
  border-radius:22px;
}
.form__row{display:grid;gap:7px}
.form__actions{display:flex;gap:10px;flex-wrap:wrap}
.orders{display:grid;gap:12px}
.order{
  padding:14px;
  border-radius:22px;
}
.order__head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:10px}
.order__id{font-weight:900}
.order__meta{margin-top:4px;color:var(--muted);font-size:12px}
.order__items{color:var(--muted);font-size:13px;line-height:1.55}
.order__total{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:12px;padding-top:12px;border-top:1px solid var(--stroke-soft)}

.ai-explain{color:var(--muted);display:grid;gap:12px}
.ai-explain .bullets{color:var(--muted)}

.pay-body{padding:16px}
.pay-body > div{width:100%}
.pay-method-btn{
  border-radius:18px;
  padding:14px 12px;
  color:var(--text);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  box-shadow:0 10px 28px rgba(0,0,0,.14);
}
.pay-method-btn:hover{
  transform:translateY(-2px);
  border-color:rgba(125,211,252,.35) !important;
  box-shadow:0 16px 34px rgba(0,0,0,.22);
}

.btn--premium,
.btn{
  border-color:rgba(125,211,252,.30);
  background:linear-gradient(135deg, rgba(125,211,252,.18), rgba(179,136,255,.14));
  font-weight:800;
}

.toast-wrap{
  position:fixed;
  left:0;right:0;bottom:16px;
  display:grid;
  place-items:center;
  pointer-events:none;
  z-index:220;
}
.toast{
  width:min(540px, calc(100% - 24px));
  padding:14px 16px;
  border-radius:20px;
  border:1px solid var(--stroke);
  background:linear-gradient(180deg, rgba(15,22,40,.92), rgba(15,22,40,.76));
  transform:translateY(12px);
  opacity:0;
  transition:opacity .18s ease, transform .18s ease;
}
:root[data-theme="light"] .toast{
  background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.84));
}
.toast.is-on{opacity:1;transform:translateY(0)}
.toast__title{font-weight:900;letter-spacing:.02em}
.toast__desc{margin-top:4px;color:var(--muted)}

#mainNav.nav.is-open{display:flex}
#btnNav{display:none}

@media (max-width: 1020px){
  .hero__grid{grid-template-columns:1fr}
  .hero__side{position:static}
  .footer__grid{grid-template-columns:1fr 1fr}
  .account{grid-template-columns:1fr}
}

@media (max-width: 900px){
  .header__inner{gap:10px;position:relative}
  .nav{
    display:none;
    position:absolute;
    left:0;
    right:0;
    top:calc(100% + 12px);
    padding:14px;
    border-radius:24px;
    background:var(--surface-strong);
    border:1px solid var(--stroke);
    box-shadow:var(--shadow);
    flex-direction:column;
    align-items:stretch;
  }
  .nav__link{width:100%;padding:11px 12px}
  #btnNav{display:grid}
  .filters{flex-direction:column;align-items:stretch}
  .field{min-width:0}
  .section__head{flex-direction:column;align-items:flex-start}
  .footer__meta{justify-items:start}
  .hero__stats{grid-template-columns:1fr}
  .cols{grid-template-columns:1fr}
  .modal__panel{margin:18px auto;max-height:calc(100vh - 36px)}
  .detail{grid-template-columns:1fr}
}

@media (max-width: 640px){
  .container{width:min(var(--container), calc(100% - 20px))}
  .header__inner{padding:12px 0}
  .brand img,.footer__brand img{width:46px;height:46px}
  .hero{padding:28px 0 8px}
  .hero__copy{padding:20px}
  .hero__title{font-size:clamp(30px, 9vw, 44px)}
  .grid,.grid--recs{grid-template-columns:1fr}
  .book__cover{height:300px; padding:0}
  .cart-item{grid-template-columns:56px 1fr}
  .cart-item__right{grid-column:1 / -1;justify-items:stretch}
  .cart__actions,.form__actions,.detail__actions{flex-direction:column}
  .footer__grid{grid-template-columns:1fr}
  .footer__meta{justify-items:start}
  .section{padding:42px 0}
  .modal__body,.modal__head{padding-left:14px;padding-right:14px}
  .hero__cta{flex-direction:column}
  .cta-btn,.ghost-btn{width:100%}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

.pay-shell,
.account-shell,
.admin-shell{
  display:grid;
  gap:16px;
}
.pay-shell--done{justify-items:center}
.pay-summary,
.account-hero,
.admin-hero{
  padding:18px;
}
.pay-summary__eyebrow,
.account-hero__eyebrow,
.admin-hero__eyebrow,
.panel-head p,
.admin-unlock__eyebrow{
  color:var(--muted);
  font-size:12px;
  letter-spacing:.06em;
  text-transform:uppercase;
}
.pay-summary__title,
.account-hero__title,
.admin-hero__title,
.admin-unlock__title{
  margin:8px 0 10px;
  font-size:clamp(18px, 2.2vw, 24px);
  line-height:1.12;
  letter-spacing:-.04em;
  overflow-wrap:anywhere;
}
.pay-summary__total{
  font-size:clamp(28px, 4vw, 40px);
  font-weight:900;
  letter-spacing:-.04em;
  margin-bottom:8px;
}
.pay-summary__hint,
.account-hero__text,
.admin-hero__text,
.admin-unlock__text{
  color:var(--muted);
}
.pay-stepper{
  display:flex;
  align-items:center;
  gap:10px;
}
.pay-stepper__line{
  flex:1;
  height:2px;
  background:rgba(255,255,255,.12);
  border-radius:999px;
}
.pay-stepper__line.is-on{background:linear-gradient(90deg, rgba(125,211,252,.85), rgba(179,136,255,.85))}
.pay-stepper__node{
  width:32px;
  height:32px;
  border-radius:999px;
  display:grid;
  place-items:center;
  border:1px solid var(--stroke-soft);
  background:rgba(255,255,255,.06);
  font-weight:900;
}
.pay-stepper__node.is-active,
.pay-stepper__node.is-done{
  background:linear-gradient(135deg, rgba(125,211,252,.26), rgba(179,136,255,.22));
  border-color:rgba(125,211,252,.30);
}
.pay-stepper__labels{
  display:flex;
  justify-content:space-between;
  gap:10px;
  color:var(--muted);
  font-size:12px;
  margin-top:8px;
}
.pay-stepper__labels .is-active{color:var(--text);font-weight:800}
.pay-method-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:12px;
}
.pay-method-btn__icon{font-size:28px;line-height:1}
.pay-method-btn__label{font-weight:900}
.pay-method-btn__sub{font-size:12px;color:var(--muted)}
.pay-method-btn.is-hover{border-color:rgba(125,211,252,.35) !important;transform:translateY(-2px)}
.pay-instructions{padding:16px;border-radius:22px}
.receipt-drop{
  padding:18px;
  border-radius:22px;
  border:1px dashed var(--stroke-strong);
  display:grid;
  justify-items:center;
  gap:8px;
  text-align:center;
}
.receipt-drop__icon{font-size:24px}
.receipt-drop__title{font-weight:900}
.receipt-drop__sub,
.receipt-drop__name,
.receipt-status{color:var(--muted)}
.receipt-status{min-height:22px;text-align:center}
.pay-cancel,
.pay-back,
.pay-close{width:100%}
.pay-done{
  text-align:center;
  padding:20px;
}
.pay-done__icon{font-size:50px;margin-bottom:10px}
.pay-done__title{font-size:24px;font-weight:900;margin-bottom:8px}
.pay-done__sub{color:var(--muted);margin-bottom:16px}
.pay-order-card,
.admin-unlock,
.admin-setting-card,
.customer-card,
.admin-order,
.admin-product{
  padding:16px;
  border-radius:22px;
}
.pay-order-card__label,
.admin-order__meta,
.customer-card__meta,
.variant-row__id{color:var(--muted);font-size:12px}
.pay-order-card__id,
.admin-order__id,
.customer-card__email,
.admin-product__title{
  font-weight:900;
  letter-spacing:-.02em;
}
.pay-order-card__meta{margin-top:6px}
.wa-btn{
  display:block;
  width:100%;
  min-height:48px;
  border-radius:16px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg, #25d366, #128c7e);
  color:#fff;
  font-weight:900;
  box-shadow:0 18px 40px rgba(18,140,126,.24);
}
.account-grid,
.admin-settings-grid,
.admin-form-grid{
  display:grid;
  gap:16px;
}
.account-grid{grid-template-columns:1.35fr .78fr}
.account-main{display:grid;gap:16px}
.account-hero{display:grid;gap:14px}
.account-metrics{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:12px;
}
.metric-card{
  display:grid;
  gap:4px;
  padding:14px;
  border-radius:18px;
  border:1px solid var(--stroke-soft);
  background:rgba(255,255,255,.04);
  min-width:0;
}
.account-hero__text{max-width:72ch}
.metric-card span{
  color:var(--muted2);
  font-size:12px;
  letter-spacing:.04em;
  text-transform:uppercase;
  overflow-wrap:anywhere;
}
.metric-card strong{
  font-size:16px;
  letter-spacing:-.03em;
  line-height:1.1;
  overflow-wrap:anywhere;
}
.account-panel,
.account-side,
.admin-section,
.admin-content,
.variant-box{
  display:grid;
  gap:14px;
}
.panel-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
}
.panel-head h4{margin:0;font-size:17px;letter-spacing:-.03em}
.panel-head p{margin:4px 0 0}
.panel-head--stack{align-items:flex-start}
.orders-list,
.mini-catalog,
.admin-list,
.customer-list{display:grid;gap:12px}
.mini-catalog{grid-template-columns:repeat(auto-fit, minmax(220px, 1fr))}
.mini-book{
  display:grid;
  grid-template-columns:72px 1fr;
  gap:10px;
  padding:10px;
  border-radius:18px;
  align-items:start;
  position:relative;
  overflow:hidden;
}
.mini-book::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(255,255,255,.06), transparent 34%);
  pointer-events:none;
}
.mini-book__thumb{
  width:72px;
  height:96px;
  overflow:hidden;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.05);
}
.mini-book__thumb img{width:100%;height:100%;object-fit:cover;padding:0;box-sizing:border-box;background:rgba(255,255,255,.04)}
.mini-book__body{display:grid;gap:6px;min-width:0}
.mini-book__title{font-weight:900;font-size:14px;line-height:1.15}
.mini-book__sub{color:var(--muted2);font-size:12px;line-height:1.35}
.mini-book__price{font-weight:900;font-size:13px}
.mini-book__actions{display:flex;gap:8px;flex-wrap:wrap}
.order--customer{padding:16px}
.order-badges,
.admin-product__actions,
.admin-order__actions,
.customer-card__actions{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.order__history{display:grid;gap:8px;margin-top:12px}
.order-history__row,
.admin-order__note{font-size:12px;color:var(--muted)}
.order-history__row{display:flex;justify-content:space-between;gap:10px}
.order-line{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  padding:10px 0;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.order-line:last-child{border-bottom:none;padding-bottom:0}
.chip--ok{border-color:rgba(102,240,194,.24);color:#bff8e4}
.chip--warn{border-color:rgba(255,211,123,.24);color:#ffe5a9}
.chip--danger{border-color:rgba(255,125,149,.24);color:#ffbfd0}
.chip--default{border-color:rgba(255,255,255,.12)}
.admin-tabs{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.admin-tab{
  min-height:42px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--stroke-soft);
  background:rgba(255,255,255,.05);
  color:var(--muted);
}
.admin-tab.is-active{
  color:var(--text);
  border-color:rgba(125,211,252,.34);
  background:linear-gradient(135deg, rgba(125,211,252,.18), rgba(179,136,255,.14));
}
.admin-form-grid{grid-template-columns:repeat(2, minmax(0, 1fr))}
.form__row--full{grid-column:1 / -1}
.variant-box{padding:12px}
.variant-row,
.admin-product,
.customer-card,
.admin-order{
  display:grid;
  grid-template-columns:1fr auto;
  gap:12px;
  align-items:start;
}
.variant-row{grid-template-columns:1fr auto auto;align-items:center;padding:12px;border-radius:18px;border:1px solid var(--stroke-soft);background:rgba(255,255,255,.04)}
.variant-row__name{font-weight:800}
.variant-row__price{font-weight:900}
.variant-create{display:grid;grid-template-columns:1fr 120px auto auto;gap:8px}
.admin-product{grid-template-columns:64px 1fr auto;align-items:center}
.admin-product__thumb{
  width:64px;height:84px;overflow:hidden;border-radius:10px;border:1px solid var(--stroke-soft);background:rgba(255,255,255,.05)
}
.admin-product__thumb img{width:100%;height:100%;object-fit:cover;padding:0;box-sizing:border-box;background:rgba(255,255,255,.04)}
.admin-product__sub{color:var(--muted);font-size:13px;margin-top:4px}
.admin-product__price{font-weight:900;margin-top:6px}
.customer-card{grid-template-columns:1fr auto;align-items:center}
.customer-card__last{color:var(--muted);font-size:13px}
.admin-order{grid-template-columns:1fr;}
.admin-order__head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.admin-order__customer{font-weight:900}
.admin-order__contact{color:var(--muted);font-size:13px}
.admin-order__items{display:grid;gap:2px}
.admin-unlock{max-width:520px;margin:40px auto;padding:24px;text-align:left}
.admin-unlock__form{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:16px}
.admin-empty-note{color:var(--muted);font-size:13px}

@media (max-width: 900px){
  .account-grid,
  .admin-form-grid,
  .variant-create{grid-template-columns:1fr}
  .account-metrics{grid-template-columns:repeat(2, minmax(0, 1fr))}
  .admin-product,
  .customer-card{grid-template-columns:1fr}
  .pay-method-grid{grid-template-columns:1fr}
  .pay-stepper__labels{font-size:11px}
}

@media (max-width: 640px){
  .account-metrics{grid-template-columns:1fr}
}