/* ============================================================
   app.css — Sales App design system (Apple-like)

   Índice:
     1) Tokens (:root + dark mode)
     2) Reset / base
     3) Layout admin (topbar, container, flash)
     4) Botões
     5) Formulários (inputs, selects, textareas)
     6) Grelha de produtos + cartões do picker
     7) Badges
     8) Painel de decisão (modal lateral)
     9) Lista de promoções guardadas
    10) Login admin
    11) Utilitários
    12) Print A4 (estende-se na Task 14 — folheto imprimível)
        Admin: categorias (tabela + <details> de edição — Task 8)
        Área comercial (PIN) — catálogo Apple-like (Task 11)
        Área comercial — ficha de produto (Task 12)

   Reutilizado pelos irmãos (comercial/PIN, público, impressão) nas
   Tasks 11-14 — manter as secções separadas para facilitar extensão.
   ============================================================ */

/* ---------- 1) Tokens ---------- */
:root {
  --sa-radius-sm: 8px;
  --sa-radius: 16px;
  --sa-radius-lg: 22px;

  --sa-shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 1px rgba(15, 23, 42, .04);
  --sa-shadow: 0 8px 24px rgba(15, 23, 42, .08), 0 2px 6px rgba(15, 23, 42, .05);
  --sa-shadow-lg: 0 20px 50px rgba(15, 23, 42, .18);

  --sa-accent: #0071e3;
  --sa-accent-ink: #ffffff;
  --sa-danger: #d92d20;
  --sa-danger-bg: #fef2f1;
  --sa-warn: #b45309;
  --sa-warn-bg: #fff7ed;
  --sa-success: #12805c;
  --sa-success-bg: #edfbf5;

  --sa-bg: #f5f5f7;
  --sa-surface: #ffffff;
  --sa-ink: #1d1d1f;
  --sa-ink-soft: #6e6e73;
  --sa-border: #e5e5ea;

  --sa-font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --sa-bg: #000000;
    --sa-surface: #1c1c1e;
    --sa-ink: #f5f5f7;
    --sa-ink-soft: #a1a1a6;
    --sa-border: #2c2c2e;
    --sa-shadow-sm: 0 1px 2px rgba(0, 0, 0, .5);
    --sa-shadow: 0 8px 24px rgba(0, 0, 0, .5), 0 2px 6px rgba(0, 0, 0, .3);
    --sa-shadow-lg: 0 20px 50px rgba(0, 0, 0, .65);
    --sa-danger-bg: #3a1210;
    --sa-warn-bg: #3a2a10;
    --sa-success-bg: #0d2b21;
  }
}
:root[data-theme="dark"] {
  --sa-bg: #000000;
  --sa-surface: #1c1c1e;
  --sa-ink: #f5f5f7;
  --sa-ink-soft: #a1a1a6;
  --sa-border: #2c2c2e;
  --sa-danger-bg: #3a1210;
  --sa-warn-bg: #3a2a10;
  --sa-success-bg: #0d2b21;
}
:root[data-theme="light"] {
  --sa-bg: #f5f5f7;
  --sa-surface: #ffffff;
  --sa-ink: #1d1d1f;
  --sa-ink-soft: #6e6e73;
  --sa-border: #e5e5ea;
  --sa-danger-bg: #fef2f1;
  --sa-warn-bg: #fff7ed;
  --sa-success-bg: #edfbf5;
}

/* ---------- 2) Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--sa-bg);
  color: var(--sa-ink);
  font-family: var(--sa-font);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
h1, h2, h3 { margin: 0 0 8px; line-height: 1.25; }
p { margin: 0 0 8px; }
a { color: inherit; }

/* ---------- 3) Layout admin ---------- */
.adm-header {
  background: var(--sa-surface);
  border-bottom: 1px solid var(--sa-border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.adm-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.adm-brand {
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--sa-ink);
}
.adm-brand span { color: var(--sa-accent); }
.adm-nav a {
  margin-left: 18px;
  text-decoration: none;
  color: var(--sa-ink-soft);
  font-size: .9rem;
}
.adm-nav a:hover { color: var(--sa-ink); }

.adm-container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.adm-main { padding: 28px 20px 64px; }

.adm-flash { padding: 12px 0; }
.adm-flash .adm-container {
  border-radius: var(--sa-radius-sm);
  padding: 12px 16px;
  font-weight: 600;
}
.adm-flash--ok .adm-container { background: var(--sa-success-bg); color: var(--sa-success); }
.adm-flash--err .adm-container { background: var(--sa-danger-bg); color: var(--sa-danger); }
.adm-flash--inline {
  border-radius: var(--sa-radius-sm);
  padding: 12px 16px;
  font-weight: 600;
  margin-bottom: 20px;
}
.adm-flash--inline.adm-flash--ok { background: var(--sa-success-bg); color: var(--sa-success); }
.adm-flash--inline.adm-flash--err { background: var(--sa-danger-bg); color: var(--sa-danger); }

.adm-placeholder { padding: 40px 0; color: var(--sa-ink-soft); }

.adm-intro { margin-bottom: 28px; max-width: 640px; }
.adm-intro h1 { font-size: 1.5rem; }
.adm-intro p { color: var(--sa-ink-soft); }

.adm-section { margin-bottom: 40px; }
.adm-section h2 { font-size: 1.1rem; margin-bottom: 4px; }
.adm-hint { color: var(--sa-ink-soft); font-size: .85rem; margin-bottom: 14px; }

/* ---------- 4) Botões ---------- */
.adm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font: inherit;
  font-weight: 600;
  font-size: .88rem;
  padding: 10px 16px;
  border-radius: 980px;
  border: 1px solid var(--sa-border);
  background: var(--sa-surface);
  color: var(--sa-ink);
  cursor: pointer;
  text-decoration: none;
  transition: transform .05s ease, opacity .15s ease;
}
.adm-btn:hover { opacity: .85; }
.adm-btn:active { transform: scale(.98); }
.adm-btn--primary { background: var(--sa-accent); border-color: var(--sa-accent); color: var(--sa-accent-ink); }
.adm-btn--danger { color: var(--sa-danger); border-color: var(--sa-danger-bg); }
.adm-btn--sm { padding: 6px 12px; font-size: .78rem; }
.adm-btn--block { width: 100%; }

.adm-inline-form { display: inline-block; }

/* ---------- 5) Formulários ---------- */
label { font-size: .8rem; font-weight: 600; color: var(--sa-ink-soft); display: block; margin-bottom: 4px; }
input[type="text"], input[type="search"], input[type="number"], input[type="password"],
select, textarea {
  font: inherit;
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--sa-radius-sm);
  border: 1px solid var(--sa-border);
  background: var(--sa-surface);
  color: var(--sa-ink);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--sa-accent);
  outline-offset: 1px;
}
input[readonly] { background: var(--sa-bg); color: var(--sa-ink-soft); }
textarea { resize: vertical; }

.adm-field { margin-bottom: 14px; }
.adm-field__help { font-size: .75rem; color: var(--sa-ink-soft); margin: 4px 0 0; font-weight: 400; }
.adm-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.adm-field--checks { display: flex; flex-direction: column; justify-content: center; gap: 8px; }
.adm-check-inline { display: flex; align-items: center; gap: 6px; font-weight: 500; color: var(--sa-ink); }
.adm-check-inline input { width: auto; }

.adm-search {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.adm-search input[type="search"] { flex: 1; min-width: 220px; }

.adm-warning {
  background: var(--sa-danger-bg);
  color: var(--sa-danger);
  border-radius: var(--sa-radius-sm);
  padding: 10px 14px;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 14px;
}

/* ---------- 6) Grelha de produtos / cartões ---------- */
.adm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.adm-card {
  background: var(--sa-surface);
  border: 1px solid var(--sa-border);
  border-radius: var(--sa-radius);
  box-shadow: var(--sa-shadow-sm);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.adm-card__img {
  aspect-ratio: 1 / 1;
  background: var(--sa-bg);
  border-radius: var(--sa-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.adm-card__img img { max-width: 100%; max-height: 100%; object-fit: contain; }
.adm-card__name { font-weight: 600; font-size: .92rem; line-height: 1.3; }
.adm-card__sku { color: var(--sa-ink-soft); font-size: .76rem; margin-top: -6px; }
.adm-card__row {
  display: flex;
  justify-content: space-between;
  font-size: .82rem;
  color: var(--sa-ink-soft);
  margin: 0;
}
.adm-card__row strong { color: var(--sa-ink); font-weight: 600; }

/* ---------- 7) Badges ---------- */
.adm-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  vertical-align: middle;
}
.adm-badge--discount { background: var(--sa-ink); color: var(--sa-surface); }
.adm-badge--danger { background: var(--sa-danger-bg); color: var(--sa-danger); }
.adm-badge--warn { background: var(--sa-warn-bg); color: var(--sa-warn); }
.adm-badge--ok { background: var(--sa-success-bg); color: var(--sa-success); }
.adm-badge--muted { background: var(--sa-bg); color: var(--sa-ink-soft); }

/* ---------- 8) Painel de decisão (modal lateral) ---------- */
.adm-panel {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
}
.adm-panel.is-open { display: block; }
.adm-panel__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .4);
}
.adm-panel__sheet {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: min(480px, 100%);
  background: var(--sa-surface);
  box-shadow: var(--sa-shadow-lg);
  overflow-y: auto;
  padding: 24px;
  border-radius: var(--sa-radius-lg) 0 0 var(--sa-radius-lg);
}
.adm-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.adm-panel__close {
  background: none;
  border: none;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  color: var(--sa-ink-soft);
  padding: 4px 8px;
}
.adm-panel__product {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--sa-border);
}
.adm-panel__product-img {
  width: 56px; height: 56px;
  border-radius: var(--sa-radius-sm);
  background: var(--sa-bg);
  overflow: hidden;
  flex: none;
  display: flex; align-items: center; justify-content: center;
}
.adm-panel__product-img img { max-width: 100%; max-height: 100%; object-fit: contain; }
.adm-panel__product-name { font-weight: 600; margin: 0; }
.adm-panel__product-sku { color: var(--sa-ink-soft); font-size: .8rem; margin: 0; }

.adm-field-row--out {
  background: var(--sa-bg);
  border-radius: var(--sa-radius-sm);
  padding: 12px 14px;
  margin-bottom: 18px;
}
.adm-out { display: flex; flex-direction: column; gap: 2px; }
.adm-out__label { font-size: .72rem; color: var(--sa-ink-soft); font-weight: 600; text-transform: uppercase; letter-spacing: .02em; }
.adm-out strong { font-size: 1.15rem; }
.adm-out strong.is-danger { color: var(--sa-danger); }

.adm-panel__actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

body.adm-noscroll { overflow: hidden; }

/* ---------- 9) Lista de promoções guardadas ---------- */
.adm-promo-list { display: flex; flex-direction: column; gap: 10px; }
.adm-promo-row {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--sa-surface);
  border: 1px solid var(--sa-border);
  border-radius: var(--sa-radius);
  box-shadow: var(--sa-shadow-sm);
  padding: 12px 16px;
  flex-wrap: wrap;
}
.adm-promo-row__img {
  width: 52px; height: 52px;
  border-radius: var(--sa-radius-sm);
  background: var(--sa-bg);
  overflow: hidden;
  flex: none;
  display: flex; align-items: center; justify-content: center;
}
.adm-promo-row__img img { max-width: 100%; max-height: 100%; object-fit: contain; }
.adm-promo-row__main { flex: 1 1 320px; min-width: 0; }
.adm-promo-row__name { font-weight: 600; margin: 0 0 4px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.adm-promo-row__meta { font-size: .8rem; color: var(--sa-ink-soft); margin: 0; }
.adm-promo-row__actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- 10) Login admin ---------- */
.adm-login-body {
  background: var(--sa-bg);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.adm-login {
  width: min(360px, 100%);
  background: var(--sa-surface);
  border-radius: var(--sa-radius-lg);
  box-shadow: var(--sa-shadow);
  padding: 32px;
}
.adm-login h1 { text-align: center; }
.adm-login__sub { text-align: center; color: var(--sa-ink-soft); margin-bottom: 20px; }
.adm-login__error {
  background: var(--sa-danger-bg);
  color: var(--sa-danger);
  border-radius: var(--sa-radius-sm);
  padding: 10px 12px;
  font-size: .85rem;
  margin-bottom: 14px;
}
.adm-login label { margin-top: 4px; }
.adm-login input { margin-bottom: 18px; }

/* ---------- 11) Utilitários ---------- */
.adm-hidden { display: none !important; }

/* ---------- 12) Print A4 (folheto imprimível — views/sales/print_a4.php) ---------- */
@media print {
  .adm-header, .adm-panel, .adm-search, .adm-btn { display: none !important; }
  .no-print { display: none !important; }
  body { background: #fff; }
}

/* ============================================================
   Admin: categorias
   Tabela simples da lista de categorias (views/admin/categories.php)
   + estilo do <details> de edição inline por linha.
   ============================================================ */
.adm-cat-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--sa-surface);
  border: 1px solid var(--sa-border);
  border-radius: var(--sa-radius);
  overflow: hidden;
}
.adm-cat-table th, .adm-cat-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--sa-border);
  font-size: .88rem;
  vertical-align: middle;
}
.adm-cat-table th {
  font-size: .74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--sa-ink-soft);
  background: var(--sa-bg);
}
.adm-cat-table tbody tr:last-child td { border-bottom: none; }
.adm-cat-table tbody tr:hover { background: var(--sa-bg); }
.adm-cat-table svg { color: var(--sa-ink-soft); }

.adm-cat-table details { position: relative; display: inline-block; }
.adm-cat-table details > summary { list-style: none; cursor: pointer; }
.adm-cat-table details > summary::-webkit-details-marker { display: none; }
.adm-cat-editform {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 30;
  width: 260px;
  background: var(--sa-surface);
  border: 1px solid var(--sa-border);
  border-radius: var(--sa-radius);
  box-shadow: var(--sa-shadow-lg);
  padding: 16px;
}

/* ============================================================
   Área comercial (PIN) — catálogo Apple-like
   Layout mobile-first: views/sales/layout.php + views/sales/catalog.php.
   Reutiliza os tokens :root (--sa-*) definidos acima; não redefine nada.
   ============================================================ */
.sl-body { background: var(--sa-bg); }

.sl-header {
  background: var(--sa-surface);
  border-bottom: 1px solid var(--sa-border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.sl-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.sl-brand {
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--sa-ink);
  white-space: nowrap;
}
.sl-brand span { color: var(--sa-accent); }
.sl-search { flex: 1; min-width: 160px; max-width: 320px; }
.sl-search__input {
  font: inherit;
  width: 100%;
  padding: 10px 14px;
  border-radius: 980px;
  border: 1px solid var(--sa-border);
  background: var(--sa-bg);
  color: var(--sa-ink);
}
.sl-search__input:focus {
  outline: 2px solid var(--sa-accent);
  outline-offset: 1px;
}

.sl-main { max-width: 1100px; margin: 0 auto; padding: 24px 20px 64px; }

.sl-intro { margin-bottom: 24px; max-width: 640px; }
.sl-intro h1 { font-size: 1.4rem; }
.sl-intro p { color: var(--sa-ink-soft); }

.sl-empty { color: var(--sa-ink-soft); padding: 32px 0; }

.sl-group { margin-bottom: 36px; }
.sl-group.sl-hidden { display: none; }
.sl-group__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  margin-bottom: 14px;
}
.sl-group__icon {
  display: inline-flex;
  color: var(--sa-accent);
}
.sl-group__icon svg { width: 20px; height: 20px; }

.sl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
}

/* ---- Cartão de produto (Apple-like: raio grande, sombra suave, hover) ---- */
.sl-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--sa-surface);
  border: 1px solid var(--sa-border);
  border-radius: var(--sa-radius-lg);
  box-shadow: var(--sa-shadow-sm);
  padding: 14px;
  text-decoration: none;
  color: var(--sa-ink);
  transition: transform .15s ease, box-shadow .15s ease;
}
.sl-card:hover, .sl-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--sa-shadow);
}
.sl-card:active { transform: translateY(-1px) scale(.99); }
.sl-card.sl-hidden { display: none; }

.sl-card--featured {
  border-color: var(--sa-accent);
  box-shadow: 0 0 0 2px rgba(0, 113, 227, .18), var(--sa-shadow-sm);
}
.sl-card__featured-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  background: var(--sa-accent);
  color: var(--sa-accent-ink);
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .03em;
  padding: 3px 9px;
  border-radius: 999px;
}

.sl-card__img {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--sa-bg);
  border-radius: var(--sa-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.sl-card__img img { max-width: 100%; max-height: 100%; object-fit: contain; }
.sl-card__placeholder { color: var(--sa-border); display: inline-flex; }
.sl-card__placeholder svg { width: 40px; height: 40px; }

.sl-card__name {
  font-weight: 600;
  font-size: .92rem;
  line-height: 1.3;
  margin: 0;
  min-height: 2.4em;
}

.sl-card__price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
  margin: 0;
}
.sl-card__price-old {
  color: var(--sa-ink-soft);
  text-decoration: line-through;
  font-size: .82rem;
}
.sl-card__price-new {
  color: var(--sa-accent);
  font-weight: 700;
  font-size: 1.1rem;
}

/* ---- Nota "+ IVA" ao lado do preço (cliente vê preços líquidos) ---- */
.iva-note {
  font-size: .62em;
  color: #8a8a8e;
  font-weight: 500;
  vertical-align: middle;
  margin-left: .15em;
}

/* ---- Badge de desconto (pílula de acento sobre a imagem) ---- */
.sl-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: .74rem;
  font-weight: 700;
}
.sl-badge--discount {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--sa-accent);
  color: var(--sa-accent-ink);
}

/* ---- Selos de estado de stock ---- */
.sl-pill {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
}
.sl-pill--warn { background: var(--sa-warn-bg); color: var(--sa-warn); }
.sl-pill--muted { background: var(--sa-bg); color: var(--sa-ink-soft); }

.sl-footer {
  text-align: center;
  color: var(--sa-ink-soft);
  font-size: .82rem;
  padding: 20px 0 0;
  border-top: 1px solid var(--sa-border);
  margin-top: 20px;
}

/* ============================================================
   Área comercial — ficha de produto (Task 12)
   views/sales/product.php. Reutiliza .sl-card__price-old, .sl-badge,
   .sl-pill e .adm-btn já definidos acima; acrescenta só o layout de
   ficha, a caixa de argumentário e o feedback de "copiado".
   ============================================================ */
.sl-back { margin-bottom: 16px; }
.sl-back a {
  text-decoration: none;
  color: var(--sa-ink-soft);
  font-size: .88rem;
  font-weight: 600;
}
.sl-back a:hover { color: var(--sa-ink); }

.sl-product__layout {
  display: grid;
  grid-template-columns: minmax(0, 380px) 1fr;
  gap: 32px;
  align-items: start;
}
@media (max-width: 720px) {
  .sl-product__layout { grid-template-columns: 1fr; }
}

.sl-product__media {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--sa-surface);
  border: 1px solid var(--sa-border);
  border-radius: var(--sa-radius-lg);
  box-shadow: var(--sa-shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.sl-product__media img { max-width: 100%; max-height: 100%; object-fit: contain; }
.sl-product__placeholder { color: var(--sa-border); display: inline-flex; }
.sl-product__placeholder svg { width: 72px; height: 72px; }
.sl-badge--lg {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: .9rem;
  padding: 5px 14px;
}

.sl-product__name { font-size: 1.5rem; margin-bottom: 10px; }

.sl-product__price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.sl-product__price-new {
  color: var(--sa-accent);
  font-weight: 700;
  font-size: 1.6rem;
}

.sl-product__stock { margin-bottom: 18px; }

/* ---- Selos extra de estado de stock (ficha) ---- */
.sl-pill--ok { background: var(--sa-success-bg); color: var(--sa-success); }
.sl-pill--urgent {
  animation: sl-pulse 1.8s ease-in-out infinite;
}
@keyframes sl-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(180, 83, 9, .25); }
  50% { box-shadow: 0 0 0 6px rgba(180, 83, 9, 0); }
}

/* ---- Caixa "Porque vender isto" (argumentário — só comercial) ---- */
.sl-argbox {
  background: var(--sa-bg);
  border: 1px solid var(--sa-border);
  border-left: 4px solid var(--sa-accent);
  border-radius: var(--sa-radius);
  padding: 16px 18px;
  margin-bottom: 18px;
}
.sl-argbox__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .95rem;
  margin-bottom: 8px;
  color: var(--sa-accent);
}
.sl-argbox__title svg { width: 18px; height: 18px; }
.sl-argbox__text { margin: 0; color: var(--sa-ink); }

.sl-specs { margin-bottom: 18px; }
.sl-specs__title { font-size: .95rem; margin-bottom: 6px; }
.sl-specs__text { margin: 0; color: var(--sa-ink-soft); }

.sl-product__validity {
  font-size: .8rem;
  color: var(--sa-ink-soft);
  margin-bottom: 18px;
}

/* ---- Botões de ação (partilhar / WhatsApp / imprimir / loja) ---- */
.sl-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---- Feedback "copiado" no botão de partilha ---- */
.sl-copy-btn__copied { display: none; }
.sl-copy-btn.copied {
  background: var(--sa-success);
  border-color: var(--sa-success);
  color: var(--sa-accent-ink);
}
.sl-copy-btn.copied .sl-copy-btn__default { display: none; }
.sl-copy-btn.copied .sl-copy-btn__copied { display: inline; }

@media print {
  .sl-back, .sl-actions { display: none !important; }
}

/* ============================================================
   Folheto A4 imprimível (Task 14) — views/sales/print_a4.php
   Vista standalone (não usa sales/layout.php nem public/layout.php),
   por isso define aqui o seu próprio ecrã de pré-visualização (a página
   web antes de imprimir) e o @media print completo (o que sai no papel).
   Prefixo pa4- para não colidir com .sl-*/.adm-* dos irmãos.
   ============================================================ */

/* ---- Ecrã (pré-visualização antes de Ctrl+P) ---- */
.pa4-body { background: var(--sa-bg); }

.pa4-toolbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  background: var(--sa-surface);
  border-bottom: 1px solid var(--sa-border);
  padding: 14px 20px;
}
.pa4-toolbar__hint { color: var(--sa-ink-soft); font-size: .82rem; }

.pa4-sheet {
  width: 210mm;
  max-width: 100%;
  margin: 24px auto 64px;
  background: #fff;
  color: #1a1a1a;
  box-shadow: var(--sa-shadow);
  border-radius: var(--sa-radius-sm);
  padding: 14mm;
}

.pa4-header { text-align: center; margin-bottom: 18px; border-bottom: 2px solid #1a1a1a; padding-bottom: 12px; }
.pa4-header__brand { font-weight: 700; margin: 0 0 4px; color: #444; }
.pa4-header__brand span { color: var(--sa-accent); }
.pa4-header__title { font-size: 1.5rem; margin: 0 0 4px; }
.pa4-header__validity { font-size: .85rem; color: #555; margin: 0; }

.pa4-empty { text-align: center; color: #666; padding: 40px 0; }

.pa4-group { margin-bottom: 22px; }
.pa4-group__title {
  font-size: 1rem;
  margin: 0 0 10px;
  padding-bottom: 4px;
  border-bottom: 1px solid #ccc;
}

.pa4-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10mm 6mm;
}
.pa4-grid--single { grid-template-columns: 1fr; max-width: 90mm; margin: 0 auto; }

.pa4-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border: 1px solid #ccc;
  border-radius: 8px;
  padding: 8px;
  break-inside: avoid;
  page-break-inside: avoid;
}
.pa4-card__tag {
  position: absolute;
  top: 6px;
  left: 6px;
  z-index: 2;
  background: #1a1a1a;
  color: #fff;
  font-size: .62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .03em;
  padding: 2px 7px;
  border-radius: 999px;
}
.pa4-card__img {
  position: relative;
  aspect-ratio: 1 / 1;
  background: #f3f3f3;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.pa4-card__img img { max-width: 100%; max-height: 100%; object-fit: contain; }
.pa4-card__placeholder { color: #bbb; display: inline-flex; }
.pa4-card__placeholder svg { width: 32px; height: 32px; }

.pa4-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  background: var(--sa-accent);
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}

.pa4-card__name { font-weight: 600; font-size: .82rem; line-height: 1.25; margin: 2px 0 0; }
.pa4-card__specs { font-size: .68rem; color: #555; margin: 0; }

.pa4-card__price { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; margin: 2px 0 0; }
.pa4-card__price-old { color: #777; text-decoration: line-through; font-size: .7rem; }
.pa4-card__price-new {
  color: var(--sa-accent);
  font-weight: 700;
  font-size: 1rem;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}

.pa4-card__stock { font-size: .66rem; font-weight: 700; color: var(--sa-warn); margin: 0; }

.pa4-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
  padding-top: 12px;
  border-top: 2px solid #1a1a1a;
}
.pa4-footer__text { font-size: .74rem; color: #555; }
.pa4-footer__text p { margin: 0 0 2px; }
.pa4-footer__hint { font-style: italic; }
.pa4-footer__qr { flex: none; width: 26mm; height: 26mm; }
.pa4-footer__qr #qr { width: 100%; height: 100%; }
.pa4-footer__qr table { width: 100% !important; height: 100% !important; }

/* ---- Papel (o que sai impresso: A4, sem toolbar, cores exatas dos badges) ---- */
@media print {
  @page { size: A4; margin: 12mm; }

  html, body { background: #fff; }
  .pa4-toolbar { display: none !important; }

  .pa4-sheet {
    width: auto;
    max-width: none;
    margin: 0;
    padding: 0;
    box-shadow: none;
    border-radius: 0;
  }

  .pa4-grid { grid-template-columns: repeat(3, 1fr); gap: 8mm 5mm; }
  .pa4-grid--single { grid-template-columns: 1fr; max-width: 100mm; }

  .pa4-card {
    break-inside: avoid;
    page-break-inside: avoid;
    box-shadow: none;
  }
  .pa4-card__img { background: #f5f5f5; }

  .pa4-badge, .pa4-card__price-new, .pa4-card__tag {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
}

/* Em folhas estreitas (ecrã), reduz para 2 colunas antes de imprimir */
@media screen and (max-width: 640px) {
  .pa4-grid { grid-template-columns: repeat(2, 1fr); }
  .pa4-sheet { padding: 6mm; }
}