/* =========================================================
   SISTEMA DE DISEÑO — Pedidos Web (Droguería/Farmacia)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@500&display=swap');

:root {
  /* Color */
  --color-bg: #F5F7F6;
  --color-surface: #FFFFFF;
  --color-ink: #16211F;
  --color-ink-soft: #566662;
  --color-primary: #0E6E5D;
  --color-primary-dark: #094A3F;
  --color-primary-tint: #E4F1EE;
  --color-accent: #F2994A;
  --color-accent-dark: #D97B22;
  --color-stock-ok: #2F9E58;
  --color-stock-low: #E0A100;
  --color-stock-out: #D64545;
  --color-border: #E1E7E4;
  --color-danger: #D64545;

  /* Tipografia */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Layout */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-pill: 999px;
  --shadow-card: 0 1px 3px rgba(22, 33, 31, 0.08), 0 1px 2px rgba(22, 33, 31, 0.06);
  --shadow-elevated: 0 8px 24px rgba(22, 33, 31, 0.14);
  --bar-height: 64px;
  --cart-bar-height: 76px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-ink);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------------------------------------------------------
   Pantallas de autenticación / selección de cliente
   --------------------------------------------------------- */

.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-elevated);
  padding: 36px 28px;
}

.auth-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
}

.auth-sub {
  color: var(--color-ink-soft);
  font-size: 14px;
  margin-bottom: 28px;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-ink-soft);
}

.field input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  background: var(--color-bg);
}

.field input:focus {
  border-color: var(--color-primary);
  background: var(--color-surface);
}

.btn-primary {
  width: 100%;
  padding: 13px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--radius-sm);
  transition: background 0.15s ease;
}

.btn-primary:hover { background: var(--color-primary-dark); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.error-msg {
  background: #FDEDEC;
  color: var(--color-danger);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
}

/* ---------------------------------------------------------
   Barra superior fija (app shell)
   --------------------------------------------------------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--bar-height);
  background: var(--color-primary-dark);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
}

.topbar-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-cliente {
  font-size: 12px;
  opacity: 0.85;
  display: block;
  font-weight: 400;
}

.topbar-actions { display: flex; align-items: center; gap: 14px; }

.icon-btn {
  color: #fff;
  font-size: 20px;
  position: relative;
  padding: 6px;
}

.badge-count {
  position: absolute;
  top: -2px;
  right: -2px;
  background: var(--color-accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  min-width: 17px;
  height: 17px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-primary-dark);
}

/* ---------------------------------------------------------
   Buscador
   --------------------------------------------------------- */

.search-bar {
  position: sticky;
  top: var(--bar-height);
  z-index: 19;
  background: var(--color-bg);
  padding: 12px 16px 10px;
  border-bottom: 1px solid var(--color-border);
}

.search-input-wrap {
  position: relative;
}

.search-input-wrap input {
  width: 100%;
  padding: 12px 14px 12px 40px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 15px;
  background: var(--color-surface);
  font-family: inherit;
}

.search-input-wrap input:focus { border-color: var(--color-primary); }

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-ink-soft);
  font-size: 15px;
}

.category-chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin-top: 10px;
  padding-bottom: 2px;
  scrollbar-width: none;
}
.category-chips::-webkit-scrollbar { display: none; }

.chip {
  flex-shrink: 0;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink-soft);
  white-space: nowrap;
}

.chip.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ---------------------------------------------------------
   Grid de productos
   --------------------------------------------------------- */

.product-list {
  padding: 14px 16px calc(var(--cart-bar-height) + 24px);
  display: grid;
  gap: 12px;
}

.product-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 14px;
  display: flex;
  gap: 12px;
  align-items: center;
}

.product-thumb {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-tint);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 22px;
}

.product-info { flex: 1; min-width: 0; }

.product-name {
  font-weight: 600;
  font-size: 14.5px;
  line-height: 1.3;
  margin: 0 0 3px;
}

.product-code {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-ink-soft);
}

.product-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

.product-price {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--color-primary-dark);
}

.stock-tag {
  font-size: 10.5px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.stock-tag.ok { background: #E7F6EC; color: var(--color-stock-ok); }
.stock-tag.low { background: #FCF2DA; color: var(--color-stock-low); }
.stock-tag.out { background: #FBEAEA; color: var(--color-stock-out); }

.add-btn {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.1s ease, background 0.15s ease;
}
.add-btn:active { transform: scale(0.92); }
.add-btn:hover { background: var(--color-primary-dark); }
.add-btn:disabled {
  background: var(--color-border);
  color: var(--color-ink-soft);
  cursor: not-allowed;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-ink-soft);
}

.empty-state .icon { font-size: 34px; margin-bottom: 10px; display: block; }

/* ---------------------------------------------------------
   Selector de cantidad "cápsula" — elemento firma del sistema
   --------------------------------------------------------- */

.qty-capsule {
  display: inline-flex;
  align-items: center;
  background: var(--color-primary-tint);
  border-radius: var(--radius-pill);
  height: 34px;
  overflow: hidden;
  border: 1.5px solid var(--color-primary);
}

.qty-capsule button {
  width: 32px;
  height: 100%;
  color: var(--color-primary-dark);
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qty-capsule button:active { background: rgba(14, 110, 93, 0.15); }

.qty-capsule .qty-value {
  min-width: 28px;
  text-align: center;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 14px;
  color: var(--color-primary-dark);
}

/* ---------------------------------------------------------
   Barra fija de carrito (bottom bar)
   --------------------------------------------------------- */

.cart-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--cart-bar-height);
  background: var(--color-primary-dark);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  z-index: 25;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.15);
  transform: translateY(0);
  transition: transform 0.2s ease;
}

.cart-bar.hidden { transform: translateY(100%); }

.cart-bar-info { display: flex; flex-direction: column; gap: 1px; }
.cart-bar-count { font-size: 11.5px; opacity: 0.8; }
.cart-bar-total {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
}

.cart-bar-btn {
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
  font-size: 14.5px;
  padding: 11px 22px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  gap: 6px;
}
.cart-bar-btn:hover { background: var(--color-accent-dark); }

/* ---------------------------------------------------------
   Página de carrito
   --------------------------------------------------------- */

.cart-page { padding: 16px 16px calc(var(--cart-bar-height) + 220px); }

.cart-line {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 14px;
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cart-line-top { display: flex; justify-content: space-between; gap: 10px; }
.cart-line-name { font-weight: 600; font-size: 14px; margin: 0 0 3px; }
.cart-line-price { font-size: 12.5px; color: var(--color-ink-soft); }

.remove-btn {
  color: var(--color-ink-soft);
  font-size: 18px;
  padding: 2px;
}
.remove-btn:hover { color: var(--color-danger); }

.cart-line-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cart-line-subtotal {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--color-primary-dark);
}

.checkout-panel {
  position: fixed;
  bottom: var(--cart-bar-height);
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-radius: 18px 18px 0 0;
  padding: 18px 16px calc(env(safe-area-inset-bottom, 0px) + 16px);
  box-shadow: 0 -6px 20px rgba(22,33,31,0.08);
  z-index: 24;
}

.checkout-panel h3 {
  font-family: var(--font-display);
  font-size: 14px;
  margin: 0 0 10px;
  color: var(--color-ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.direccion-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  font-size: 13.5px;
}

.direccion-option.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-tint);
}

.direccion-option .alias { font-weight: 600; display: block; }
.direccion-option .dir-texto { color: var(--color-ink-soft); font-size: 12.5px; }

/* ---------------------------------------------------------
   Módulo de Administración (Mantenimiento de Clientes/Productos)
   --------------------------------------------------------- */

.admin-tabs {
  position: sticky;
  top: var(--bar-height);
  z-index: 19;
  background: var(--color-surface);
  display: flex;
  gap: 4px;
  padding: 0 16px;
  border-bottom: 1px solid var(--color-border);
}

.admin-tab {
  padding: 13px 4px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-ink-soft);
  border-bottom: 2.5px solid transparent;
  margin-right: 18px;
}

.admin-tab.active {
  color: var(--color-primary-dark);
  border-bottom-color: var(--color-primary);
}

.admin-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 18px 16px 60px;
}

.admin-toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.admin-toolbar .search-input-wrap { flex: 1; min-width: 200px; }
.admin-toolbar .search-input-wrap input {
  padding: 10px 14px 10px 38px;
  border-radius: var(--radius-sm);
}

.btn-add {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  font-size: 13.5px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.btn-add:hover { background: var(--color-primary-dark); }

.data-table-wrap {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.data-table th {
  text-align: left;
  padding: 12px 14px;
  background: var(--color-primary-tint);
  color: var(--color-primary-dark);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.data-table td {
  padding: 12px 14px;
  border-top: 1px solid var(--color-border);
  vertical-align: middle;
  white-space: nowrap;
}

.data-table tr:hover td { background: var(--color-bg); }

.data-table .cell-code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-ink-soft);
}

.data-table a.row-link { color: var(--color-primary-dark); font-weight: 600; }
.data-table a.row-link:hover { text-decoration: underline; }

.status-pill {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}
.status-pill.activo { background: #E7F6EC; color: var(--color-stock-ok); }
.status-pill.inactivo { background: #FBEAEA; color: var(--color-stock-out); }

.admin-form {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 22px 20px;
  max-width: 560px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 480px) {
  .form-row { grid-template-columns: 1fr; }
}

.admin-form .field input,
.admin-form .field select {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  background: var(--color-bg);
}

.admin-form .field input:focus,
.admin-form .field select:focus { border-color: var(--color-primary); background: var(--color-surface); }

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.btn-secondary {
  padding: 11px 20px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  color: var(--color-ink-soft);
  font-weight: 600;
  font-size: 14px;
}
.btn-secondary:hover { border-color: var(--color-ink-soft); }

.section-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  margin: 26px 0 12px;
  color: var(--color-primary-dark);
}

.direccion-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  font-size: 13px;
}

.direccion-row .default-tag {
  font-size: 10px;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-tint);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  margin-left: 6px;
}

.btn-delete-inline {
  color: var(--color-danger);
  font-size: 12.5px;
  font-weight: 600;
}

.checkbox-field {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  margin-top: 4px;
}
.checkbox-field input { width: auto !important; }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 8px;
}

.metric-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metric-link { text-decoration: none; transition: transform 0.1s ease; }
.metric-link:hover { transform: translateY(-2px); }

.metric-label { font-size: 12px; color: var(--color-ink-soft); font-weight: 500; }
.metric-value { font-family: var(--font-display); font-size: 24px; font-weight: 700; color: var(--color-primary-dark); }
.metric-value.metric-ok { color: var(--color-stock-ok); }
.metric-value.metric-warn { color: var(--color-stock-low); }
.metric-value.metric-danger { color: var(--color-stock-out); }

.chip-group { display: flex; gap: 8px; flex-wrap: wrap; }

.aplicar-col { width: 90px; text-align: center; }
.input-monto-aplicar { width: 90px; padding: 6px 8px !important; font-size: 12.5px !important; }
.chk-aplicar { width: 18px; height: 18px; cursor: pointer; }
.chk-aplicar:disabled { cursor: not-allowed; opacity: 0.4; }

.btn-ver-historial {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-tint);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.btn-ver-historial:hover { background: var(--color-primary); color: #fff; }

/* ---------------------------------------------------------
   Utilidades
   --------------------------------------------------------- */

.hidden { display: none !important; }

@media (min-width: 640px) {
  .product-list { max-width: 640px; margin: 0 auto; }
  .cart-bar, .checkout-panel, .topbar, .search-bar { max-width: 640px; margin: 0 auto; }
}