/* ============================================================
   FileData Papelería — UI kit base (Sprint 0)
   Tokens de diseño + estilos base. Se ampliará con componentes
   (catálogo, carrito, cuenta) en los siguientes sprints.
   ============================================================ */
:root {
  --c-bg: #ffffff;
  --c-surface: #f6f8fb;
  --c-border: #e3e8ef;
  --c-text: #1a2333;
  --c-muted: #5b6472;
  --c-primary: #0b5cff;
  --c-primary-600: #0a4fda;
  --c-primary-050: #eaf1ff;
  --c-accent: #00b28a;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 6px 24px rgba(16, 32, 64, 0.08);
  --container: 1120px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.55;
}
a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* ── Botones ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 10px 18px; border-radius: var(--radius-sm);
  font-weight: 600; border: 1px solid transparent; cursor: pointer;
  transition: background .15s, border-color .15s, transform .05s;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--c-primary); color: #fff; }
.btn--primary:hover { background: var(--c-primary-600); }
.btn--ghost { background: #fff; border-color: var(--c-border); color: var(--c-text); }
.btn--ghost:hover { border-color: var(--c-primary); color: var(--c-primary); }
.btn--lg { padding: 14px 24px; font-size: 1.05rem; }

/* ── Header ──────────────────────────────────────────────── */
.shop-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-border);
}
.shop-header__inner { display: flex; align-items: center; gap: 24px; height: 68px; }
.shop-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--c-text); }
.shop-brand:hover { text-decoration: none; }
.shop-brand__mark {
  display: inline-grid; place-items: center; width: 36px; height: 36px;
  border-radius: 9px; background: var(--c-primary); color: #fff; font-size: .95rem; letter-spacing: .5px;
}
.shop-nav { display: flex; gap: 20px; margin-left: auto; }
.shop-nav a { color: var(--c-muted); font-weight: 500; }
.shop-nav a:hover { color: var(--c-text); text-decoration: none; }

/* ── Hero ────────────────────────────────────────────────── */
.hero { padding: 72px 0 56px; background: linear-gradient(180deg, var(--c-primary-050), #fff); }
.hero__eyebrow { color: var(--c-primary); font-weight: 700; letter-spacing: .4px; text-transform: uppercase; font-size: .8rem; margin: 0 0 12px; }
.hero__title { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.1; margin: 0 0 16px; max-width: 14ch; }
.hero__lead { font-size: 1.15rem; color: var(--c-muted); max-width: 60ch; margin: 0 0 28px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__note { margin-top: 22px; color: var(--c-accent); font-weight: 600; font-size: .9rem; }

/* ── Features ────────────────────────────────────────────── */
.features {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px; padding: 56px 20px;
}
.feature {
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow);
}
.feature h2 { font-size: 1.15rem; margin: 0 0 8px; }
.feature p { color: var(--c-muted); margin: 0; }

/* ── Footer ──────────────────────────────────────────────── */
.shop-footer { border-top: 1px solid var(--c-border); padding: 28px 0; color: var(--c-muted); margin-top: 40px; }

/* ============================================================
   Sprint 1 — Catálogo (PLP/PDP), tarjetas, breadcrumbs
   ============================================================ */
.section { padding: 40px 0; }
.section__title { font-size: 1.5rem; margin: 0 0 20px; }

/* Buscador en header */
.shop-search { display: flex; flex: 1; max-width: 520px; margin: 0 auto; }
.shop-search input {
  flex: 1; border: 1px solid var(--c-border); border-right: 0;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm); padding: 9px 14px; font-size: .95rem;
}
.shop-search button {
  border: 0; background: var(--c-primary); color: #fff; font-weight: 600;
  padding: 0 18px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; cursor: pointer;
}
.shop-cart { font-size: 1.15rem; }

/* Categorías */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px,1fr)); gap: 14px; }
.cat-card {
  display: flex; align-items: center; gap: 12px; padding: 16px; background: var(--c-surface);
  border: 1px solid var(--c-border); border-radius: var(--radius); color: var(--c-text); font-weight: 600;
}
.cat-card:hover { border-color: var(--c-primary); text-decoration: none; }
.cat-card__icon {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px;
  background: var(--c-primary-050); color: var(--c-primary); font-weight: 700;
}

/* Grid + tarjeta de producto */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px,1fr)); gap: 20px; }
.pcard { display: flex; flex-direction: column; border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; background: #fff; transition: box-shadow .15s; }
.pcard:hover { box-shadow: var(--shadow); }
.pcard__media { position: relative; display: block; aspect-ratio: 4/3; background: var(--c-surface); display: grid; place-items: center; }
.pcard__media img { width: 100%; height: 100%; object-fit: contain; }
.pcard__ph { font-size: 2.4rem; font-weight: 800; color: var(--c-border); }
.pcard__badge { position: absolute; top: 10px; left: 10px; font-size: .72rem; font-weight: 700; padding: 3px 8px; border-radius: 999px; }
.pcard__badge--out { background: #ffe4e4; color: #b42318; }
.pcard__body { padding: 14px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.pcard__brand { font-size: .72rem; text-transform: uppercase; letter-spacing: .4px; color: var(--c-muted); }
.pcard__title { font-size: 1rem; margin: 0; line-height: 1.3; }
.pcard__title a { color: var(--c-text); }
.pcard__title a:hover { color: var(--c-primary); text-decoration: none; }
.pcard__price { margin-top: auto; }
.pcard__price--now { font-weight: 800; font-size: 1.1rem; }
.pcard__price--was { text-decoration: line-through; color: var(--c-muted); margin-left: 6px; font-size: .9rem; }
.pcard__unit { color: var(--c-muted); font-size: .82rem; }
.btn--block { width: 100%; }

/* Breadcrumbs */
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 20px 0 6px; font-size: .85rem; color: var(--c-muted); }
.breadcrumbs a { color: var(--c-muted); }
.breadcrumbs span[aria-current] { color: var(--c-text); font-weight: 600; }

/* PLP */
.plp-head { padding: 8px 0 20px; }
.plp-head__title { font-size: 1.8rem; margin: 0 0 6px; }
.plp-head__desc { color: var(--c-muted); margin: 0 0 6px; max-width: 70ch; }
.plp-head__count { color: var(--c-muted); font-size: .9rem; margin: 0; }
.plp { display: grid; grid-template-columns: 220px 1fr; gap: 28px; align-items: start; padding-bottom: 48px; }
.plp__filters fieldset { border: 1px solid var(--c-border); border-radius: var(--radius-sm); padding: 12px; margin: 0 0 14px; }
.plp__filters legend { font-weight: 700; font-size: .85rem; padding: 0 6px; }
.plp__filters select { width: 100%; padding: 8px; border: 1px solid var(--c-border); border-radius: 6px; }
.empty { color: var(--c-muted); padding: 40px 0; }
.pagination { display: flex; align-items: center; gap: 16px; justify-content: center; padding: 32px 0; }
.pagination__info { color: var(--c-muted); font-size: .9rem; }

/* PDP */
.pdp { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding: 12px 0 32px; }
.pdp__media { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); aspect-ratio: 1/1; display: grid; place-items: center; overflow: hidden; }
.pdp__media img { width: 100%; height: 100%; object-fit: contain; }
.pdp__ph { font-size: 5rem; font-weight: 800; color: var(--c-border); }
.pdp__brand { text-transform: uppercase; letter-spacing: .5px; color: var(--c-muted); font-size: .8rem; margin: 0 0 6px; }
.pdp__title { font-size: 1.9rem; margin: 0 0 6px; line-height: 1.15; }
.pdp__sku { color: var(--c-muted); font-size: .82rem; margin: 0 0 16px; }
.pdp__price { display: flex; align-items: baseline; gap: 10px; margin: 0 0 12px; }
.pdp__price--now { font-size: 1.8rem; font-weight: 800; }
.pdp__price--was { text-decoration: line-through; color: var(--c-muted); }
.pdp__unit { color: var(--c-muted); font-size: .9rem; }
.pdp__stock { font-weight: 600; margin: 0 0 16px; }
.pdp__stock.in { color: var(--c-accent); }
.pdp__stock.out { color: #b42318; }
.pdp__lead { color: var(--c-muted); margin: 0 0 20px; }
.pdp__buy { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px; padding: 18px; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); }
.pdp__buy label { display: flex; flex-direction: column; font-size: .82rem; font-weight: 600; gap: 6px; }
.pdp__buy input, .pdp__buy select { padding: 9px; border: 1px solid var(--c-border); border-radius: 6px; }
.pdp__qty input { width: 90px; }
.pdp__hint { flex-basis: 100%; color: var(--c-muted); font-size: .8rem; }
.pdp__desc p { color: var(--c-muted); max-width: 75ch; }

/* Footer ampliado */
.shop-footer__inner { display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; align-items: center; }
.shop-footer__inner nav { display: flex; gap: 18px; }
.shop-footer__legal { flex-basis: 100%; font-size: .82rem; }

/* Responsive */
@media (max-width: 860px) {
  .plp { grid-template-columns: 1fr; }
  .pdp { grid-template-columns: 1fr; }
  .shop-search { order: 3; flex-basis: 100%; max-width: none; margin: 10px 0 0; }
  .shop-header__inner { flex-wrap: wrap; height: auto; padding: 12px 20px; }
}

/* ============================================================
   Sprint 2 — Cuentas B2B (auth, panel, formularios)
   ============================================================ */
.inline-form { display: inline; }
.linkish { background: none; border: 0; color: var(--c-muted); font: inherit; cursor: pointer; padding: 0; }
.linkish:hover { color: var(--c-text); text-decoration: underline; }
.linkish--danger { color: #b42318; }

/* Flash */
.flash { padding: 12px 0; font-weight: 600; }
.flash--success { background: #e7f7ef; color: #087443; }
.flash--error { background: #fdecec; color: #b42318; }
.flash--info { background: var(--c-primary-050); color: var(--c-primary-600); }

/* Notices */
.notice { padding: 12px 14px; border-radius: var(--radius-sm); margin: 0 0 16px; font-size: .92rem; }
.notice--warn { background: #fff5e6; color: #92580a; border: 1px solid #ffe0b2; }
.notice--error { background: #fdecec; color: #b42318; border: 1px solid #f6cccc; }
.notice--success { background: #e7f7ef; color: #087443; border: 1px solid #bfe8d2; }

/* Auth */
.auth { display: grid; place-items: start center; padding: 40px 20px 64px; }
.auth-card { width: 100%; max-width: 640px; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.auth-card--narrow { max-width: 420px; }
.auth-card h1 { margin: 0 0 6px; }
.auth-sub { color: var(--c-muted); margin: 0 0 20px; }
.auth-alt { margin: 14px 0 0; color: var(--c-muted); font-size: .9rem; }

/* Forms */
.form label { display: block; font-weight: 600; font-size: .85rem; margin: 0 0 12px; }
.form input, .form select { display: block; width: 100%; margin-top: 6px; padding: 10px 12px; border: 1px solid var(--c-border); border-radius: var(--radius-sm); font: inherit; }
.form input:disabled { background: var(--c-surface); color: var(--c-muted); }
.form fieldset { border: 1px solid var(--c-border); border-radius: var(--radius-sm); padding: 16px; margin: 0 0 18px; }
.form legend { font-weight: 700; font-size: .82rem; padding: 0 6px; color: var(--c-muted); text-transform: uppercase; letter-spacing: .4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form--panel { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 22px; max-width: 720px; }
.form-actions { display: flex; gap: 10px; }
.checkbox { display: flex; align-items: center; gap: 8px; font-weight: 500; }
.checkbox input { width: auto; margin: 0; }
.hint { color: var(--c-muted); font-size: .88rem; }

/* Account layout */
.acct { display: grid; grid-template-columns: 220px 1fr; gap: 32px; padding: 32px 20px 64px; align-items: start; }
.acct-nav nav { display: flex; flex-direction: column; gap: 4px; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 12px; }
.acct-nav a { padding: 10px 12px; border-radius: var(--radius-sm); color: var(--c-text); font-weight: 500; }
.acct-nav a[aria-current] { background: var(--c-primary-050); color: var(--c-primary-600); }
.acct-nav a:hover { background: var(--c-surface); text-decoration: none; }
.acct-nav form { border-top: 1px solid var(--c-border); margin-top: 8px; padding-top: 8px; }
.acct-body h1 { margin: 0 0 6px; }
.acct-sub { color: var(--c-muted); margin: 0 0 22px; }
.acct-h2 { margin: 32px 0 14px; font-size: 1.2rem; }
.acct-cards { display: grid; grid-template-columns: repeat(auto-fit,minmax(200px,1fr)); gap: 16px; }
.acct-card { display: block; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 20px; color: var(--c-text); }
.acct-card:hover { border-color: var(--c-primary); text-decoration: none; box-shadow: var(--shadow); }
.acct-card h3 { margin: 0 0 6px; font-size: 1.05rem; }
.acct-card p { margin: 0; color: var(--c-muted); font-size: .9rem; }
.acct-card--muted { opacity: .7; }

/* Pills / roles */
.pill { display: inline-block; font-size: .72rem; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: var(--c-surface); color: var(--c-muted); border: 1px solid var(--c-border); }
.pill--ok { background: #e7f7ef; color: #087443; border-color: #bfe8d2; }
.pill--off { background: #fdecec; color: #b42318; border-color: #f6cccc; }
.role-pill { display: inline-block; font-size: .72rem; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: var(--c-primary-050); color: var(--c-primary-600); text-transform: capitalize; }

/* Tables */
.table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; }
.table th, .table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--c-border); font-size: .92rem; }
.table th { background: var(--c-surface); font-size: .78rem; text-transform: uppercase; letter-spacing: .4px; color: var(--c-muted); }
.table tr:last-child td { border-bottom: 0; }

/* Address cards */
.addr-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(240px,1fr)); gap: 16px; }
.addr-card { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 16px; }
.addr-card__head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.addr-card p { color: var(--c-muted); font-size: .9rem; margin: 0 0 10px; }
.addr-card__actions { display: flex; gap: 14px; align-items: center; }

@media (max-width: 860px) {
  .acct { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* ============================================================
   Sprint 3 — Carrito, checkout, pedido
   ============================================================ */
.cart { display: grid; grid-template-columns: 1fr 320px; gap: 28px; align-items: start; }
.cart__items { display: flex; flex-direction: column; gap: 12px; }
.citem { display: grid; grid-template-columns: 64px 1fr 90px 100px 30px; gap: 14px; align-items: center; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 12px; }
.citem__media { width: 64px; height: 64px; border-radius: 8px; overflow: hidden; background: var(--c-surface); display: grid; place-items: center; }
.citem__media img { width: 100%; height: 100%; object-fit: contain; }
.citem__info { display: flex; flex-direction: column; gap: 2px; }
.citem__name { font-weight: 600; color: var(--c-text); }
.citem__unit { color: var(--c-muted); font-size: .82rem; }
.citem__stock { font-size: .75rem; color: var(--c-muted); }
.citem__stock.out { color: #b42318; }
.citem__qty input { width: 70px; padding: 8px; border: 1px solid var(--c-border); border-radius: 6px; }
.citem__line { font-weight: 700; text-align: right; }

.cart__summary, .checkout__summary { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 20px; position: sticky; top: 88px; }
.cart__summary h2, .checkout__summary h2 { margin: 0 0 14px; font-size: 1.2rem; }
.sum-row { display: flex; justify-content: space-between; padding: 6px 0; color: var(--c-muted); }
.sum-row--total { border-top: 1px solid var(--c-border); margin-top: 8px; padding-top: 12px; color: var(--c-text); font-weight: 800; font-size: 1.15rem; }
.sum-line { display: flex; justify-content: space-between; gap: 10px; font-size: .88rem; padding: 3px 0; color: var(--c-muted); }
.is-disabled { pointer-events: none; opacity: .5; }

.checkout { display: grid; grid-template-columns: 1fr 340px; gap: 28px; align-items: start; }
.checkout__main { display: flex; flex-direction: column; gap: 18px; }
.panel { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 20px; }
.panel h2 { margin: 0 0 14px; font-size: 1.15rem; }
.panel textarea { width: 100%; border: 1px solid var(--c-border); border-radius: 8px; padding: 10px; font: inherit; }
.radio-card { display: flex; gap: 12px; align-items: flex-start; border: 1px solid var(--c-border); border-radius: var(--radius-sm); padding: 12px; margin-bottom: 10px; cursor: pointer; }
.radio-card:has(input:checked) { border-color: var(--c-primary); background: var(--c-primary-050); }

.order-head { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 12px; }
.order-badges { display: flex; gap: 8px; }
.order-grid { display: grid; grid-template-columns: 1fr 320px; gap: 24px; align-items: start; margin-top: 18px; }
.mt { margin-top: 18px; }

@media (max-width: 860px) {
  .cart, .checkout, .order-grid { grid-template-columns: 1fr; }
  .citem { grid-template-columns: 56px 1fr 70px; grid-auto-rows: auto; }
  .citem__line, .citem form:last-child { grid-column: 2 / -1; text-align: left; }
}

/* ============================================================
   Sprint 4 — Billetera y pagos
   ============================================================ */
.wallet-balance { display: flex; flex-direction: column; gap: 4px; background: linear-gradient(135deg, var(--c-primary), var(--c-primary-600)); color: #fff; border-radius: var(--radius); padding: 24px; max-width: 360px; }
.wallet-balance__label { font-size: .85rem; opacity: .85; }
.wallet-balance__amount { font-size: 2.2rem; font-weight: 800; }
.amt-credit { color: #087443; font-weight: 700; }
.amt-debit { color: #b42318; font-weight: 700; }
.pay-icon { width: 72px; height: 72px; margin: 0 auto 12px; border-radius: 50%; display: grid; place-items: center; font-size: 2rem; font-weight: 800; background: var(--c-surface); color: var(--c-muted); }
.pay-icon--ok { background: #e7f7ef; color: #087443; }
.pay-icon--bad { background: #fdecec; color: #b42318; }

/* ============================================================
   Sprint 5 — Cupones, recompra, favoritos
   ============================================================ */
.coupon-form { display: flex; gap: 8px; margin-bottom: 14px; }
.coupon-form input { flex: 1; border: 1px solid var(--c-border); border-radius: var(--radius-sm); padding: 9px 12px; }
.coupon-applied { display: flex; justify-content: space-between; align-items: center; background: #e7f7ef; border: 1px solid #bfe8d2; border-radius: var(--radius-sm); padding: 8px 12px; margin-bottom: 14px; font-size: .9rem; }
.row-actions { display: flex; gap: 12px; align-items: center; }
.pdp__fav { margin-top: 10px; }

/* ============================================================
   Galería de producto estilo TEMU (F4)
   ============================================================ */
.pdp__media{display:flex;flex-direction:column;gap:12px;}
.pgal__main{aspect-ratio:1/1;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);overflow:hidden;display:grid;place-items:center;}
.pgal__main img{width:100%;height:100%;object-fit:contain;}
.pgal__main video,.pgal__main iframe{width:100%;height:100%;border:0;background:#000;object-fit:cover;display:block;}
.pgal__thumbs{display:flex;gap:10px;flex-wrap:wrap;}
.pgal__thumb{position:relative;width:68px;height:68px;border:2px solid var(--c-border);border-radius:10px;overflow:hidden;background:var(--c-surface);cursor:pointer;padding:0;transition:border-color .15s;}
.pgal__thumb:hover{border-color:var(--c-primary);}
.pgal__thumb.on{border-color:var(--c-primary);box-shadow:0 0 0 2px var(--c-primary-050);}
.pgal__thumb img,.pgal__thumb video{width:100%;height:100%;object-fit:cover;display:block;}
.pgal__play{position:absolute;inset:0;display:grid;place-items:center;background:rgba(0,0,0,.35);color:#fff;font-size:.95rem;}
.pdp__rich{color:var(--c-text);line-height:1.7;}
.pdp__rich h2,.pdp__rich h3{margin:20px 0 8px;line-height:1.25;}
.pdp__rich ul,.pdp__rich ol{padding-left:22px;margin:10px 0;}
.pdp__rich li{margin:4px 0;}
.pdp__rich p{margin:0 0 12px;}