/* ==========================
   Nébula Books — styles1.css
   Glassmorphism + gradients
   ========================== */

:root{
  --bg0: #070b16;
  --bg1: #0b1220;
  --card: rgba(255,255,255,.08);
  --card2: rgba(255,255,255,.06);
  --stroke: rgba(255,255,255,.14);
  --stroke2: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);
  --muted2: rgba(255,255,255,.55);

  --accent: rgba(130,185,255,.95);
  --accent2: rgba(186,135,255,.85);
  --ok: rgba(110, 255, 204, .9);
  --warn: rgba(255, 203, 110, .95);
  --danger: rgba(255, 120, 140, .95);

  --shadow: 0 18px 60px rgba(0,0,0,.35);
  --shadow2: 0 12px 40px rgba(0,0,0,.28);

  --radius: 18px;
  --radius2: 24px;

  --blur: 14px;

  --container: 1180px;
  --gap: 16px;
  --gap2: 22px;

  --focus: 0 0 0 3px rgba(130,185,255,.28);
}

:root[data-theme="light"]{
  --bg0: #f7f9ff;
  --bg1: #edf1ff;
  --card: rgba(255,255,255,.70);
  --card2: rgba(255,255,255,.55);
  --stroke: rgba(10,25,55,.14);
  --stroke2: rgba(10,25,55,.10);

  --text: rgba(10,18,35,.92);
  --muted: rgba(10,18,35,.70);
  --muted2: rgba(10,18,35,.55);

  --shadow: 0 20px 60px rgba(0, 10, 30, .14);
  --shadow2: 0 14px 40px rgba(0, 10, 30, .10);

  --focus: 0 0 0 3px rgba(85,140,255,.22);
}

/* base */
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  min-height:100%;
  background: radial-gradient(1200px 600px at 20% 10%, rgba(186,135,255,.22), transparent 55%),
              radial-gradient(900px 520px at 80% 12%, rgba(130,185,255,.20), transparent 60%),
              radial-gradient(900px 520px at 50% 90%, rgba(110,255,204,.13), transparent 65%),
              linear-gradient(180deg, var(--bg0), var(--bg1));
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  line-height:1.45;
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
button, input, select{ font:inherit; }
strong{ font-weight:700; }

.container{
  width:min(var(--container), calc(100% - 40px));
  margin-inline:auto;
}

/* background orbs */
.bg-orbs{
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:-1;
}
.orb{
  position:absolute;
  filter: blur(40px);
  opacity:.75;
  transform: translateZ(0);
}
.orb-a{
  width:520px; height:520px;
  left:-120px; top:-120px;
  background: radial-gradient(circle at 30% 30%, rgba(186,135,255,.9), transparent 60%);
}
.orb-b{
  width:560px; height:560px;
  right:-160px; top:-160px;
  background: radial-gradient(circle at 35% 35%, rgba(130,185,255,.85), transparent 58%);
}
.orb-c{
  width:620px; height:620px;
  left:22%; bottom:-260px;
  background: radial-gradient(circle at 40% 40%, rgba(110,255,204,.55), transparent 62%);
}

/* glass */
.glass{
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow2);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border-radius: var(--radius2);
}
:root[data-theme="light"] .glass{
  background: linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.55));
}

.muted{ color: var(--muted); }
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--stroke2);
  color: var(--muted);
  width: fit-content;
  margin:0 0 14px 0;
}

/* header */
.header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(0,0,0,.35), rgba(0,0,0,.10));
  border-bottom: 1px solid var(--stroke2);
}
:root[data-theme="light"] .header{
  background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.55));
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
  padding: 14px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  min-width: 180px;
}
.brand__mark{
  width: 34px; height: 34px;
  display:grid; place-items:center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(130,185,255,.32), rgba(186,135,255,.26));
  border: 1px solid var(--stroke);
  box-shadow: 0 10px 25px rgba(0,0,0,.18);
  font-weight: 800;
  letter-spacing: .2px;
}
.brand__text{ display:flex; flex-direction:column; line-height:1.05; }
.brand__name{ font-weight: 800; letter-spacing: .2px; }
.brand__sub{ font-size: 12px; color: var(--muted); margin-top: 2px; }

.nav{
  display:flex;
  gap: 14px;
  align-items:center;
}
.nav__link{
  padding: 8px 10px;
  border-radius: 999px;
  color: var(--muted);
  border: 1px solid transparent;
  transition: transform .12s ease, background .12s ease, border-color .12s ease, color .12s ease;
}
.nav__link:hover{
  color: var(--text);
  background: rgba(255,255,255,.06);
  border-color: var(--stroke2);
  transform: translateY(-1px);
}

.header__actions{
  display:flex;
  gap: 10px;
  align-items:center;
}

.icon-btn{
  width: 40px; height: 40px;
  border-radius: 14px;
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,.06);
  color: var(--text);
  display:grid; place-items:center;
  cursor:pointer;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.icon-btn:hover{
  transform: translateY(-1px);
  border-color: var(--stroke);
  background: rgba(255,255,255,.10);
}
.icon-btn:active{ transform: translateY(0px); }
.icon-btn:focus-visible{ outline:none; box-shadow: var(--focus); }

.icon{ font-size: 16px; opacity:.95; }

.icon-btn--file{
  position:relative;
  overflow:hidden;
}
.icon-btn--file input{
  position:absolute;
  inset:0;
  opacity:0;
  cursor:pointer;
}

.pill-btn{
  height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,.06);
  color: var(--text);
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  gap: 10px;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.pill-btn:hover{
  transform: translateY(-1px);
  border-color: var(--stroke);
  background: rgba(255,255,255,.10);
}
.pill-btn:active{ transform: translateY(0px); }
.pill-btn:focus-visible{ outline:none; box-shadow: var(--focus); }

.pill-btn--primary{
  background: linear-gradient(135deg, rgba(130,185,255,.22), rgba(186,135,255,.18));
  border-color: rgba(130,185,255,.30);
}

.pill-btn__dot{
  width: 10px; height: 10px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, rgba(110,255,204,.95), rgba(110,255,204,.35));
  box-shadow: 0 0 0 4px rgba(110,255,204,.10);
}

.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(--stroke2);
  font-size: 12px;
  color: var(--text);
}

/* hero */
.hero{
  padding: 34px 0 10px;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.35fr .85fr;
  gap: 18px;
  align-items: start;
}
.hero__copy{
  padding: 22px;
}
.hero__title{
  margin: 0 0 10px;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height:1.05;
  letter-spacing: -0.6px;
}
.hero__title-accent{
  background: linear-gradient(90deg, rgba(130,185,255,1), rgba(186,135,255,1));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero__desc{
  margin: 0 0 18px;
  color: var(--muted);
  max-width: 62ch;
}

.hero__cta{
  display:flex;
  gap: 12px;
  flex-wrap:wrap;
  margin-bottom: 18px;
}
.cta-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height: 44px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid rgba(130,185,255,.35);
  background: linear-gradient(135deg, rgba(130,185,255,.26), rgba(186,135,255,.18));
  color: var(--text);
  cursor:pointer;
  box-shadow: 0 14px 40px rgba(0,0,0,.25);
  transition: transform .12s ease, filter .12s ease, border-color .12s ease;
}
.cta-btn:hover{
  transform: translateY(-1px);
  filter: brightness(1.06);
  border-color: rgba(130,185,255,.50);
}
.cta-btn:focus-visible{ outline:none; box-shadow: var(--focus); }

.ghost-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height: 44px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,.06);
  color: var(--text);
  cursor:pointer;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.ghost-btn:hover{
  transform: translateY(-1px);
  border-color: var(--stroke);
  background: rgba(255,255,255,.10);
}
.ghost-btn:focus-visible{ outline:none; box-shadow: var(--focus); }

.hero__mini{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.mini-card{
  padding: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,.04);
}
.mini-card__title{
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .35px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.mini-card__body{
  font-size: 13px;
  color: var(--text);
  display:grid;
  gap: 8px;
}
.mini-item{
  display:flex;
  justify-content:space-between;
  gap: 10px;
  color: var(--muted);
}
.mini-item strong{ color: var(--text); font-weight: 700; }

/* side */
.hero__side{
  padding: 18px;
}
.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: .2px;
}
.text-btn{
  border:none;
  background: transparent;
  color: var(--muted);
  cursor:pointer;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background .12s ease, color .12s ease, border-color .12s ease;
}
.text-btn:hover{
  color: var(--text);
  background: rgba(255,255,255,.08);
  border-color: var(--stroke2);
}
.text-btn:focus-visible{ outline:none; box-shadow: var(--focus); }

.chip{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,.06);
  color: var(--muted);
}

.side__hint{
  margin:0 0 12px 0;
  color: var(--muted);
  font-size: 13px;
}
.side__content{
  display:grid;
  gap: 10px;
}
.side__divider{
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--stroke2), transparent);
  margin: 16px 0;
}
.side-row{
  display:flex;
  justify-content:space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,.04);
}
.side-row__label{ color: var(--muted); font-size: 13px; }
.side-row__value{ font-weight: 700; }

/* sections */
.section{
  padding: 46px 0;
}
.section--alt{
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));
  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: 16px;
  margin-bottom: 18px;
}
.section__title{
  margin:0 0 6px 0;
  font-size: 22px;
  letter-spacing: -.2px;
}
.section__sub{
  margin:0;
  color: var(--muted);
  max-width: 70ch;
}
.section__actions{
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
}

.filters{
  display:flex;
  gap: 12px;
  align-items:flex-end;
  padding: 12px;
  border-radius: var(--radius2);
}
.field{
  display:grid;
  gap: 6px;
  min-width: 160px;
}
.field--inline{ min-width: 190px; }
.field__label{
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .25px;
}
.field__input, .field__select{
  height: 40px;
  padding: 0 12px;
  border-radius: 14px;
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,.06);
  color: var(--text);
  outline:none;
  transition: border-color .12s ease, background .12s ease, box-shadow .12s ease;
}
.field__input::placeholder{ color: var(--muted2); }
.field__input:focus, .field__select:focus{
  box-shadow: var(--focus);
  border-color: rgba(130,185,255,.35);
  background: rgba(255,255,255,.09);
}

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

.book{
  border-radius: var(--radius2);
  overflow:hidden;
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,.04);
  box-shadow: 0 14px 40px rgba(0,0,0,.18);
  transition: transform .14s ease, border-color .14s ease, background .14s ease;
  display:flex;
  flex-direction:column;
  min-height: 100%;
}
.book:hover{
  transform: translateY(-3px);
  border-color: var(--stroke);
  background: rgba(255,255,255,.06);
}
.book__cover {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  display: block;
  background: rgba(255,255,255,.05);
}
.book__body{
  padding: 12px 12px 14px;
  display:grid;
  gap: 10px;
  flex: 1;
}
.book__meta{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 10px;
}
.book__title{
  margin:0;
  font-size: 14px;
  letter-spacing: -.1px;
  line-height: 1.2;
}
.book__author{
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}
.price{
  font-weight: 800;
  letter-spacing: .2px;
  white-space:nowrap;
}
.book__chips{
  display:flex;
  flex-wrap:wrap;
  gap: 8px;
}
.tag{
  font-size: 11px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,.05);
  color: var(--muted);
}
.book__actions{
  display:flex;
  gap: 10px;
  margin-top: auto;
}
.small-btn{
  height: 38px;
  border-radius: 14px;
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,.06);
  color: var(--text);
  cursor:pointer;
  padding: 0 12px;
  flex: 1;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.small-btn:hover{
  transform: translateY(-1px);
  border-color: var(--stroke);
  background: rgba(255,255,255,.10);
}
.small-btn:focus-visible{ outline:none; box-shadow: var(--focus); }

.small-btn--primary{
  border-color: rgba(130,185,255,.35);
  background: linear-gradient(135deg, rgba(130,185,255,.22), rgba(186,135,255,.14));
}

/* empty */
.empty{
  margin-top: 16px;
  padding: 18px;
  text-align:center;
}
.empty__title{
  font-weight: 800;
  margin-bottom: 6px;
}
.empty__desc{
  color: var(--muted);
}

/* cols */
.cols{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.card{ padding: 18px; }
.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: 6px;
}
.testimonials{
  display:grid;
  gap: 12px;
}
.quote{
  padding: 12px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,.04);
}
.quote__stars{ font-size: 12px; color: var(--warn); opacity: .95; }
.quote__text{ margin: 6px 0; color: var(--text); }
.quote__meta{ color: var(--muted); font-size: 12px; }

/* footer */
.footer{
  padding: 28px 0 36px;
  border-top: 1px solid rgba(255,255,255,.05);
}
.footer__grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr .6fr;
  gap: 16px;
  align-items:start;
}
.footer__brand{
  display:flex;
  align-items:center;
  gap: 10px;
  margin-bottom: 8px;
}
.footer__name{ font-weight: 800; }
.footer__text{ margin:0; color: var(--muted); max-width: 56ch; }
.footer__links{
  display:grid;
  gap: 8px;
  align-content:start;
}
.footer__links a{
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  width: fit-content;
  transition: background .12s ease, border-color .12s ease, color .12s ease;
}
.footer__links a:hover{
  color: var(--text);
  background: rgba(255,255,255,.06);
  border-color: var(--stroke2);
}
.footer__meta{
  display:grid;
  gap: 6px;
  justify-items:end;
}

/* modal base (para todos) */
.modal{
  position: fixed;
  inset: 0;
  display:none;
  z-index: 100;
}
.modal[aria-hidden="false"]{ display:block; }
.modal__backdrop{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,.50);
}
:root[data-theme="light"] .modal__backdrop{
  background: rgba(10,20,40,.32);
}
.modal__panel{
  position: relative;
  width: min(860px, calc(100% - 24px));
  max-height: min(82vh, 720px);
  margin: 64px auto;
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.modal__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 14px 10px;
  border-bottom: 1px solid var(--stroke2);
}
.modal__title{
  font-weight: 800;
  letter-spacing: .2px;
}
.modal__body{
  padding: 14px;
  overflow:auto;
}

/* detail layout */
.detail{
  display:grid;
  grid-template-columns: 240px 1fr;
  gap: 14px;
  align-items:start;
}
.detail__cover{
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--stroke2);
  overflow:hidden;
  background: rgba(255,255,255,.05);
}
.detail__cover img{
  width:100%;
  height:auto;
  display:block;
}
.detail__title{ margin: 0 0 6px; font-size: 18px; letter-spacing: -.2px; }
.detail__author{ margin: 0 0 10px; color: var(--muted); }
.detail__desc{ margin: 0 0 12px; color: var(--muted); }
.detail__row{
  display:flex;
  justify-content:space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,.04);
  margin-bottom: 12px;
}
.detail__actions{
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
}
.detail__actions .small-btn{ flex: unset; }

/* cart */
.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: var(--radius2);
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,.04);
}
.cart-item__thumb{
  width:64px; height:84px;
  border-radius: 14px;
  border: 1px solid var(--stroke2);
  overflow:hidden;
  background: rgba(255,255,255,.05);
}
.cart-item__thumb img{ width:100%; height:100%; object-fit:cover; display:block; }
.cart-item__title{ margin:0; font-weight:800; font-size: 13px; line-height:1.2; }
.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(--stroke2);
  background: rgba(255,255,255,.04);
}
.qty button{
  width: 30px; height: 30px;
  border-radius: 999px;
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,.06);
  color: var(--text);
  cursor:pointer;
}
.qty button:hover{ background: rgba(255,255,255,.10); }
.qty button:focus-visible{ outline:none; box-shadow: var(--focus); }
.qty span{ min-width: 18px; text-align:center; font-weight: 800; }

.cart__summary{
  display:grid;
  gap: 10px;
  padding: 14px;
  border-radius: var(--radius2);
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,.04);
}
.sum-row{
  display:flex;
  justify-content:space-between;
  gap: 10px;
  color: var(--muted);
}
.sum-row strong{ color: var(--text); }
.cart__actions{
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
}
.buy-btn{
  height: 44px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid rgba(110,255,204,.35);
  background: linear-gradient(135deg, rgba(110,255,204,.22), rgba(130,185,255,.12));
  cursor:pointer;
  font-weight: 800;
}
.buy-btn:hover{ filter: brightness(1.05); }
.buy-btn:focus-visible{ outline:none; box-shadow: var(--focus); }

.danger-btn{
  height: 44px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,120,140,.30);
  background: rgba(255,120,140,.10);
  cursor:pointer;
}
.danger-btn:hover{ background: rgba(255,120,140,.14); }
.danger-btn:focus-visible{ outline:none; box-shadow: 0 0 0 3px rgba(255,120,140,.22); }

/* toast */
.toast-wrap{
  position: fixed;
  left: 0; right: 0;
  bottom: 16px;
  display:grid;
  place-items:center;
  pointer-events:none;
  z-index: 200;
}
.toast{
  width: min(520px, calc(100% - 24px));
  padding: 12px 14px;
  border-radius: 18px;
  border: 1px solid var(--stroke);
  pointer-events:none;
  transform: translateY(10px);
  opacity: 0;
  transition: opacity .18s ease, transform .18s ease;
}
.toast.is-on{
  opacity: 1;
  transform: translateY(0px);
}
.toast__title{
  font-weight: 900;
  letter-spacing: .2px;
}
.toast__desc{ color: var(--muted); margin-top: 4px; }

/* responsive */
@media (max-width: 1020px){
  .grid, .grid--recs{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hero__grid{ grid-template-columns: 1fr; }
}
@media (max-width: 760px){
  .nav{ display:none; }
  .filters{ flex-direction:column; align-items:stretch; }
  .field{ min-width: unset; }
  .grid, .grid--recs{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cols{ grid-template-columns: 1fr; }
  .footer__grid{ grid-template-columns: 1fr; }
  .footer__meta{ justify-items:start; }
  .hero__mini{ grid-template-columns: 1fr; }
  .modal__panel{ margin: 52px auto; max-height: 84vh; }
  .detail{ grid-template-columns: 1fr; }
}
@media (max-width: 420px){
  .grid, .grid--recs{ grid-template-columns: 1fr; }
  .header__actions{ gap: 8px; }
  .brand{ min-width: unset; }
  .icon-btn{ width: 38px; height: 38px; border-radius: 14px; }
  .pill-btn{ height: 38px; }
}

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

/* Desktop: nav normal */
.nav { display: flex; gap: 14px; align-items: center; }

/* Mobile: colapsa */
@media (max-width: 900px) {
  .header__inner { gap: 10px; }
  .nav__toggle { display: inline-flex; }

  .nav {
    display: none;
    position: absolute;
    left: 16px;
    right: 16px;
    top: 72px;
    padding: 12px;
    border-radius: 14px;
    background: rgba(10,18,35,.92);
    backdrop-filter: blur(10px);
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    z-index: 999;
  }

  .nav.is-open { display: flex; }

  .nav__link {
    padding: 10px 12px;
    border-radius: 10px;
  }

  .header__actions { flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
}

/* FIX: icono hamburguesa */
#btnNav{
  width: 44px !important;
  height: 44px !important;
  padding: 0 !important;
  display: grid !important;
  place-items: center !important;
  font-size: 20px !important;
  line-height: 1 !important;
  font-weight: 800 !important;
  border-radius: 14px !important;
}

@media (min-width: 901px){
  #btnNav{ display: none !important; }
  #mainNav{ display: flex !important; }
}

/* Centrar bloque de catálogo */
.section__head,
.section__title,
.section__sub{
  text-align: center;
}

.filters{
  margin: 0 auto;
  max-width: 1000px;
  justify-content: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* RESPONSIVE + TARJETAS + IMÁGENES */
#catalogGrid,
#recsGrid{
  display:grid;
  grid-template-columns: repeat(2-fit, minmax(180px, 1fr));
  gap:14px;
  align-items: stretch;
}

@media (max-width: 640px){
  #catalogGrid,
  #recsGrid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap:10px;
  }
}

.book{
  display:flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.book__body{
  display:flex;
  flex-direction: column;
  gap:10px;
  min-width:0;
}

.book__cover{
  width:100%;
  height:auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  display:block;
}

.book__title{
  display:-webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow:hidden;
  word-break: break-word;
}

.book__author{
  display:-webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow:hidden;
  word-break: break-word;
}

.book__chips{
  display:flex;
  flex-wrap: wrap;
  gap:6px;
  min-width:0;
}

.tag{
  max-width: 100%;
  white-space: nowrap;
  overflow:hidden;
  text-overflow: ellipsis;
}

.book__actions{
  margin-top:auto;
  display:flex;
  gap:8px;
  flex-wrap: wrap;
}

@media (max-width: 900px){
  .layout, .page, .app, .container{
    grid-template-columns: 1fr !important;
  }
  aside, .sidebar{ order: 2; }
  main{ order: 1; }
}

.detail__cover img{
  width:100%;
  height:auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  display:block;
  border-radius: 14px;
}

/* Catálogo: texto arriba, filtros debajo */
#catalogo .section__head{
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
}

#catalogo .section__text{
  max-width: 820px;
  width: 100%;
}

#catalogo .filters{
  width: 100%;
  max-width: 100%;
  margin: 0;
  justify-content: center;
}

@media (min-width: 761px){
  #catalogo .filters{
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px;
  }
  #catalogo .field{ min-width: 220px; }
}

@media (max-width: 760px){
  #catalogo .filters{
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    text-align: left;
    width: 100%;
  }
  #catalogo .field,
  #catalogo .field--inline{ min-width: 0; }
}

#catalogo .section__head{
  align-items: center;
  text-align: center;
}

#catalogo .section__title,
#catalogo .section__sub{
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

#catalogo .section__sub{
  max-width: 720px;
}

/* ===== Overrides específicos del modal de pago ===== */

/* Asegúrate de que el id="modalPay" esté en el div .modal */
#modalPay .modal__panel{
  overflow: visible;
}

/* Cuerpo dinámico del pago */
#payBody{
  display:flex;
  flex-direction:column;
  gap: 1.5rem;
  padding: 1rem 0;
}

/* Grid 2x2 métodos de pago */
.pay-methods-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

/* Botones método de pago con glass */
.pay-method-btn{
  border-radius: 12px;
  padding: 0.9rem 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #fff;
  text-align: center;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.pay-method-btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.35);
  background: rgba(0, 0, 0, 0.35);
}

/* Paso 2: datos + upload */
.pay-step-box{
  border-radius: 14px;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

/* Botones navegación pasos */
.pay-actions{
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* ====== MODAL DE PAGO: MEJORADO Y MÁS RESPONSIVE ====== */

.modal__panel--pay{
  max-width: 520px;
  width: 92%;
  max-height: 90vh;
  overflow: visible;
  padding: 0;
}

/* Cuerpo dinámico del pago */
.pay-body{
  display:flex;
  flex-direction:column;
  gap: 1.2rem;
  padding: 20px;
  overflow-y:auto;
  background: rgba(7, 11, 22, 0.95);
}

/* Grid 2x2 métodos de pago (ahora 2 columnas) */
.pay-methods-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

/* Botones método de pago - MENOS TRANSPARENCIA */
.pay-method-btn{
  border-radius: 14px;
  padding: 1rem 0.8rem;
  border: 1.5px solid rgba(130,185,255,.45);
  background: linear-gradient(135deg, rgba(130,185,255,.18), rgba(186,135,255,.12));
  color: var(--text);
  text-align:center;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap: 0.5rem;
  min-height: 100px;
}

.pay-method-btn:hover{
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(130,185,255,.3);
  background: linear-gradient(135deg, rgba(130,185,255,.28), rgba(186,135,255,.18));
  border-color: rgba(130,185,255,.65);
}

.pay-method-btn:active{
  transform: translateY(0px);
}

.pay-method-btn:focus-visible{
  outline: none;
  box-shadow: var(--focus);
}

/* Ícono dentro del botón */
.pay-method-icon{
  font-size: 28px;
  display:block;
  margin-bottom: 0.25rem;
}

.pay-method-label{
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.3px;
}

.pay-method-desc{
  font-size: 11px;
  color: var(--muted);
  margin-top: 0.25rem;
  line-height: 1.2;
}

/* Paso 2: datos + upload */
.pay-step-box{
  border-radius: 14px;
  padding: 1.2rem;
  background: rgba(30, 41, 59, 0.85);
  border: 1px solid var(--stroke2);
}

.pay-step-box h3{
  margin: 0 0 1rem 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.pay-step-box p{
  margin: 0 0 0.8rem 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

/* Input de banco y datos */
.pay-input-group{
  display:flex;
  flex-direction:column;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.pay-label{
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.25px;
  text-transform: uppercase;
}

.pay-input, .pay-select{
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--stroke2);
  background: rgba(7, 11, 22, 0.9);
  color: var(--text);
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.pay-input:focus, .pay-select:focus{
  border-color: rgba(130,185,255,.5);
  background: rgba(7, 11, 22, 0.98);
  box-shadow: 0 0 0 3px rgba(130,185,255,.15);
}

.pay-input::placeholder{
  color: var(--muted2);
}

/* Upload file */
.pay-file-upload{
  border: 2px dashed var(--stroke);
  border-radius: 10px;
  padding: 1rem;
  text-align:center;
  cursor:pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
  background: rgba(255,255,255,.02);
}

.pay-file-upload:hover{
  border-color: rgba(130,185,255,.5);
  background: rgba(130,185,255,.05);
}

.pay-file-upload input{
  display:none;
}

.pay-file-icon{
  font-size: 24px;
  display:block;
  margin-bottom: 0.5rem;
  opacity: 0.7;
}

.pay-file-text{
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}

.pay-file-text strong{
  color: var(--text);
}

/* Botones navegación pasos */
.pay-actions{
  display:flex;
  justify-content: space-between;
  gap: 0.8rem;
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--stroke2);
}

.pay-btn{
  height: 40px;
  padding: 0 1.2rem;
  border-radius: 10px;
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,.06);
  color: var(--text);
  cursor:pointer;
  font-weight: 600;
  font-size: 13px;
  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}

.pay-btn:hover{
  transform: translateY(-1px);
  border-color: var(--stroke);
  background: rgba(255,255,255,.10);
}

.pay-btn:active{
  transform: translateY(0px);
}

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

.pay-btn--primary{
  background: linear-gradient(135deg, rgba(130,185,255,.26), rgba(186,135,255,.18));
  border-color: rgba(130,185,255,.35);
  flex: 1;
}

.pay-btn--primary:hover{
  background: linear-gradient(135deg, rgba(130,185,255,.35), rgba(186,135,255,.25));
  border-color: rgba(130,185,255,.50);
}

/* Paso 3: WhatsApp */
.pay-step-3{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap: 1.2rem;
}

.pay-confirmation{
  width: 100%;
  padding: 1.2rem;
  border-radius: 14px;
  background: rgba(110, 255, 204, 0.08);
  border: 1px solid rgba(110, 255, 204, 0.3);
}

.pay-confirmation-icon{
  font-size: 40px;
  display:block;
  margin-bottom: 0.5rem;
}

.pay-confirmation h3{
  margin: 0 0 0.5rem 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--ok);
}

.pay-confirmation p{
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.pay-whatsapp-btn{
  height: 44px;
  padding: 0 1.5rem;
  border-radius: 10px;
  border: none;
  background: linear-gradient(135deg, rgba(110, 255, 204, 0.28), rgba(110, 255, 204, 0.18));
  color: var(--ok);
  cursor:pointer;
  font-weight: 700;
  font-size: 14px;
  transition: transform 0.12s ease, background 0.12s ease;
  display:inline-flex;
  align-items:center;
  gap: 0.6rem;
  text-decoration:none;
}

.pay-whatsapp-btn:hover{
  transform: translateY(-2px);
  background: linear-gradient(135deg, rgba(110, 255, 204, 0.35), rgba(110, 255, 204, 0.25));
}

.pay-whatsapp-icon{
  font-size: 18px;
}

/* Responsive */
@media (max-width: 600px){
  .modal__panel--pay{
    max-width: 100%;
    width: 96%;
  }

  .pay-body{
    padding: 16px;
    gap: 1rem;
  }

  .pay-methods-grid{
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
  }

  .pay-method-btn{
    min-height: 90px;
    padding: 0.8rem 0.6rem;
    font-size: 12px;
  }

  .pay-method-icon{
    font-size: 24px;
  }

  .pay-step-box{
    padding: 1rem;
  }

  .pay-actions{
    flex-direction: column;
  }

  .pay-btn{
    width: 100%;
  }

  .pay-btn--primary{
    flex: unset;
  }
}

@media (max-width: 480px){
  .pay-methods-grid{
    gap: 0.5rem;
  }

  .pay-method-btn{
    min-height: 85px;
    padding: 0.7rem 0.5rem;
    font-size: 11px;
  }

  .pay-method-icon{
    font-size: 22px;
  }

  .pay-method-desc{
    font-size: 10px;
  }
}