/* ═══════════════════════════════════════════════════════════
   Design system — Tienda privada + Panel admin
   ═══════════════════════════════════════════════════════════ */
:root {
  --bg: #0c1015;
  --bg-elevated: #151b24;
  --bg-card: #1c2430;
  --bg-input: #121820;
  --bg-hover: #243040;
  --border: #2a3544;
  --border-focus: #5eb8aa;
  --text: #eef2f6;
  --text-muted: #8d9aad;
  --text-dim: #5c6b7f;
  --accent: #3db8a9;
  --accent-hover: #52d4c3;
  --accent-soft: rgba(61, 184, 169, 0.14);
  --accent-glow: rgba(61, 184, 169, 0.25);
  --danger: #f07070;
  --danger-soft: rgba(240, 112, 112, 0.12);
  --warning: #e8b84a;
  --warning-soft: rgba(232, 184, 74, 0.12);
  --success: #5ec98a;
  --success-soft: rgba(94, 201, 138, 0.12);
  --info: #6aa8e8;
  --info-soft: rgba(106, 168, 232, 0.12);
  --radius: 14px;
  --radius-sm: 9px;
  --radius-lg: 20px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.25);
  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "SF Mono", monospace;
  --max-width: 1120px;
  --header-h: 64px;
  --sidebar-w: 260px;
  --transition: 0.18s ease;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 90% 60% at 50% -30%, rgba(61, 184, 169, 0.09), transparent 70%),
    radial-gradient(ellipse 50% 40% at 100% 80%, rgba(106, 168, 232, 0.04), transparent);
  min-height: 100vh;
  margin: 0;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; height: auto; display: block; }

/* ── Layout ── */
.page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

.page-narrow { max-width: 520px; }

.page-header { margin-bottom: 2rem; }

.page-header h1 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.page-header .subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.section-title {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ═══ STORE HEADER ═══ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  padding: 0 1.25rem;
  background: rgba(12, 16, 21, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo:hover { color: var(--accent); }

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem 0.5rem;
  flex-wrap: wrap;
}

.site-nav .nav-link {
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.site-nav .nav-link:hover {
  color: var(--text);
  background: var(--accent-soft);
}

.site-nav .nav-link-accent {
  color: var(--accent);
  border: 1px solid rgba(61, 184, 169, 0.35);
}

.site-nav .nav-link-accent:hover {
  background: var(--accent-soft);
  color: var(--accent-hover);
}

.nav-logout { display: inline; margin: 0 0 0 0.25rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform var(--transition);
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }

  .site-header { position: relative; }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

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

  .site-nav .nav-link { padding: 0.85rem 1rem; }

  .nav-logout {
    display: block;
    margin: 0.5rem 0 0;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
  }

  .nav-logout .btn { width: 100%; }
}

/* ═══ ADMIN LAYOUT ═══ */
.admin-app {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  padding: 1.25rem 1rem;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  z-index: 300;
  overflow-y: auto;
}

.admin-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.75rem;
  padding: 0.5rem 0.75rem;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.admin-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  flex: 1;
}

.admin-nav-link {
  display: block;
  padding: 0.7rem 0.85rem;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}

.admin-nav-link:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.admin-sidebar-logout {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.admin-content {
  flex: 1;
  margin-left: var(--sidebar-w);
  min-width: 0;
}

.admin-topbar {
  display: none;
  align-items: center;
  gap: 1rem;
  min-height: var(--header-h);
  padding: 0 1rem;
  background: rgba(12, 16, 21, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 200;
}

.admin-topbar-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
}

.admin-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.admin-menu-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
}

.admin-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 250;
}

.admin-page { padding-top: 1.5rem; }

@media (max-width: 900px) {
  .admin-sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition);
    box-shadow: var(--shadow);
  }

  .admin-sidebar.is-open { transform: translateX(0); }

  .admin-content { margin-left: 0; }

  .admin-topbar { display: flex; }

  .admin-overlay:not([hidden]) { display: block; }

  body.admin-nav-open { overflow: hidden; }
}

/* ═══ BUTTONS ═══ */
button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font: inherit;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  border: none;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform 0.1s, box-shadow var(--transition), border-color var(--transition);
}

button:disabled { opacity: 0.4; cursor: not-allowed; }

.btn, button[type="submit"]:not(.btn-ghost):not(.btn-danger) {
  padding: 0.7rem 1.35rem;
  background: linear-gradient(180deg, var(--accent) 0%, #2fa396 100%);
  color: #071210;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.btn:hover, button[type="submit"]:not(.btn-ghost):not(.btn-danger):hover:not(:disabled) {
  background: linear-gradient(180deg, var(--accent-hover) 0%, var(--accent) 100%);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn:active:not(:disabled) { transform: scale(0.98); }

.btn-block { width: 100%; }
.btn-sm { padding: 0.45rem 0.9rem; font-size: 0.85rem; }

.btn-ghost {
  padding: 0.7rem 1.35rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  box-shadow: none;
}

.btn-ghost:hover {
  background: var(--bg-card);
  color: var(--text);
  border-color: var(--text-dim);
}

.btn-danger {
  padding: 0.7rem 1.35rem;
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid rgba(240, 112, 112, 0.3);
  box-shadow: none;
}

.btn-danger:hover { background: rgba(240, 112, 112, 0.2); }

/* ═══ CARDS ═══ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.card + .card { margin-top: 1rem; }

.card-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.card-header h2 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

/* ═══ PRODUCT GRID ═══ */
.product-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
}

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.product-card:hover {
  border-color: rgba(61, 184, 169, 0.4);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.product-card-body { padding: 1.35rem; display: flex; flex-direction: column; flex: 1; }

.product-card-thumb {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-input));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 2rem;
  border-bottom: 1px solid var(--border);
}

.product-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.3;
}

.product-card .description {
  flex: 1;
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.product-card .price {
  margin: 0 0 0.35rem;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.product-card .stock {
  margin: 0 0 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.product-card .stock.low { color: var(--warning); }
.product-card .stock.out { color: var(--danger); }

.product-card form { margin-top: auto; }
.product-card button { width: 100%; }

/* ═══ CART ═══ */
.cart-list { display: flex; flex-direction: column; gap: 0.75rem; }

.cart-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.1rem 1.35rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.cart-item-info { flex: 1; min-width: 160px; }
.cart-item-name { font-weight: 600; margin: 0 0 0.2rem; font-size: 1rem; }
.cart-item-meta { margin: 0; color: var(--text-muted); font-size: 0.9rem; }

.cart-summary {
  margin-top: 1.5rem;
  padding: 1.35rem 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cart-total { margin: 0; font-size: 1.1rem; color: var(--text-muted); }
.cart-total strong { color: var(--accent); font-size: 1.6rem; font-weight: 700; }

.empty-state {
  text-align: center;
  padding: 3.5rem 1.5rem;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state a { font-weight: 600; }

/* ═══ FORMS ═══ */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.auth-layout {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem;
}

.auth-layout .form-card { width: 100%; max-width: 440px; }

.auth-brand {
  text-align: center;
  margin-bottom: 1.75rem;
}

.auth-brand .logo-mark {
  display: inline-flex;
  width: 3rem;
  height: 3rem;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: var(--radius);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.auth-layout h1 {
  margin: 0 0 0.35rem;
  font-size: 1.55rem;
  text-align: center;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.auth-sub {
  margin: 0 0 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
}

label {
  display: block;
  margin-bottom: 1.1rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
}

label input,
label textarea,
label select {
  display: block;
  width: 100%;
  margin-top: 0.4rem;
  padding: 0.75rem 1rem;
  font: inherit;
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}

label input:focus,
label textarea:focus,
label select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(94, 184, 170, 0.18);
}

label.radio-row,
label.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-weight: 400;
  color: var(--text);
  cursor: pointer;
  padding: 0.85rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.6rem;
  transition: border-color var(--transition), background var(--transition);
}

label.radio-row:hover,
label.checkbox-row:hover {
  border-color: var(--text-dim);
  background: var(--bg-elevated);
}

label.radio-row input,
label.checkbox-row input {
  width: auto;
  margin: 0.2rem 0 0;
  accent-color: var(--accent);
}

fieldset {
  margin: 0 0 1.5rem;
  padding: 1.35rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
}

fieldset legend {
  padding: 0 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}

.form-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.form-actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.form-footer {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.form-grid {
  display: grid;
  gap: 0 1rem;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

/* ═══ ORDERS ═══ */
.order-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.order-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.1rem 1.35rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.order-list a:hover {
  border-color: rgba(61, 184, 169, 0.4);
  background: var(--bg-elevated);
  color: var(--text);
  transform: translateX(3px);
}

.order-list-id {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.badge {
  display: inline-block;
  padding: 0.22rem 0.7rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}

.badge-pending,
.badge-awaiting_transfer { background: var(--warning-soft); color: var(--warning); }
.badge-confirmed,
.badge-preparing,
.badge-ready { background: var(--accent-soft); color: var(--accent); }
.badge-shipped { background: var(--info-soft); color: var(--info); }
.badge-delivered { background: var(--success-soft); color: var(--success); }
.badge-cancelled,
.badge-disputed { background: var(--danger-soft); color: var(--danger); }
.badge-active { background: var(--success-soft); color: var(--success); }
.badge-open { background: var(--info-soft); color: var(--info); }
.badge-limited { background: var(--accent-soft); color: var(--accent); }
.badge-out { background: var(--danger-soft); color: var(--danger); }

/* ── Admin product form ── */
.price-field .input-prefix {
  display: flex;
  align-items: stretch;
  margin-top: 0.4rem;
}

.input-prefix-symbol {
  display: flex;
  align-items: center;
  padding: 0 0.85rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-right: none;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  color: var(--text-muted);
  font-weight: 600;
}

.price-field .input-prefix input {
  margin-top: 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  flex: 1;
}

.field-hint {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-dim);
}

.stock-mode-fieldset { margin-top: 0.5rem; }

.stock-qty-panel {
  margin: 1rem 0 1.25rem;
  padding: 1rem 1.15rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.quick-add-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.radio-row-compact {
  padding: 0.5rem 0.65rem !important;
  font-size: 0.85rem !important;
  margin-bottom: 0.35rem !important;
}

.stock-update-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 200px;
}

.stock-update-modes { display: flex; flex-direction: column; gap: 0.25rem; }

.table-stock-qty {
  margin: 0;
  padding: 0.65rem;
}

.table-stock-qty input[type="number"] {
  width: 100%;
  padding: 0.5rem 0.65rem;
  font: inherit;
  color: var(--text);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.add-to-cart-form { margin-top: auto; display: flex; flex-direction: column; gap: 0.65rem; }

.qty-label {
  margin-bottom: 0 !important;
  font-size: 0.82rem !important;
}

.qty-label input {
  margin-top: 0.3rem !important;
}

.order-meta {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.order-meta dt {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin: 0;
}

.order-meta dd {
  margin: 0.2rem 0 0;
  font-weight: 600;
  font-size: 1rem;
}

.item-list { list-style: none; margin: 0; padding: 0; }

.item-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
}

.item-list li:last-child { border-bottom: none; }

/* ═══ CHAT ═══ */
.chat-section {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.chat-section h2 {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  font-weight: 600;
}

#messages {
  min-height: 220px;
  max-height: 380px;
  overflow-y: auto;
  padding: 1rem;
  margin-bottom: 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.chat-msg {
  max-width: 88%;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  line-height: 1.5;
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.chat-msg-own {
  align-self: flex-end;
  background: var(--accent-soft);
  border-color: rgba(61, 184, 169, 0.3);
}

.chat-msg-meta {
  display: block;
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-bottom: 0.25rem;
}

.chat-form { display: flex; flex-direction: column; gap: 0.75rem; }

.chat-form textarea {
  width: 100%;
  min-height: 88px;
  padding: 0.85rem;
  font: inherit;
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  resize: vertical;
}

.chat-form textarea:focus {
  outline: none;
  border-color: var(--border-focus);
}

/* ═══ HERO ═══ */
.hero {
  text-align: center;
  padding: clamp(2rem, 8vw, 5rem) 1rem clamp(3rem, 10vw, 6rem);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.85rem, 6vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.12;
  max-width: 18ch;
  margin-left: auto;
  margin-right: auto;
}

.hero p {
  margin: 0 auto 2.25rem;
  max-width: 36rem;
  color: var(--text-muted);
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
}

.hero-greeting {
  display: inline-block;
  margin-bottom: 1.25rem;
  padding: 0.4rem 1rem;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
}

.hero-features {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 3.5rem;
  text-align: left;
}

.feature-card {
  padding: 1.35rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.feature-card h3 {
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.feature-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ═══ ADMIN DASHBOARD ═══ */
.stat-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  margin-bottom: 2rem;
}

.stat-card {
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat-card-label {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

.stat-card-value {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.stat-card-value.is-on { color: var(--danger); }
.stat-card-value.is-off { color: var(--success); }

.emergency-panel {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.emergency-panel h2 {
  margin: 0 0 1.25rem;
  font-size: 1.15rem;
}

.emergency-form .form-grid { margin-bottom: 1rem; }

/* ═══ TABLES ═══ */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

th, td {
  padding: 0.85rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

th {
  background: var(--bg-elevated);
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255, 255, 255, 0.02); }

.table-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.table-actions input[type="number"] {
  width: 5rem;
  padding: 0.4rem 0.5rem;
  font: inherit;
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.table-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
}

/* ═══ UTILITIES ═══ */
.error {
  padding: 0.85rem 1.1rem;
  margin-bottom: 1.25rem;
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid rgba(240, 112, 112, 0.28);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

.notice {
  padding: 1.1rem 1.35rem;
  margin: 0 0 1.5rem;
  background: var(--warning-soft);
  color: var(--warning);
  border: 1px solid rgba(232, 184, 74, 0.3);
  border-radius: var(--radius);
  font-size: 0.92rem;
}

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

.success-box {
  padding: 1.1rem 1.35rem;
  margin: 0 0 1.5rem;
  background: var(--success-soft);
  border: 1px solid rgba(94, 201, 138, 0.3);
  border-radius: var(--radius);
}

.success-box code {
  display: block;
  margin-top: 0.5rem;
  padding: 0.75rem;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--accent);
  word-break: break-all;
}

.inline-form { display: inline; }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0; }
.card-mt { margin-top: 1rem; }
.card-mb { margin-bottom: 1.5rem; }
.card-mb-lg { margin-bottom: 2rem; }
.price-accent { color: var(--accent); }
.chat-hint {
  margin: -0.5rem 0 1rem;
  font-size: 0.88rem;
}
.payment-hint {
  font-size: 0.88rem;
  margin-top: -0.5rem;
}
.emergency-hint {
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
}
.btn-block-center { text-align: center; }
.chat-status { margin: 0.5rem 0; }

/* ═══ CATÁLOGO / FILTROS / FOTOS ═══ */
.catalog-filters {
  margin-bottom: 1.5rem;
}

.catalog-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.85rem;
}

.catalog-search {
  flex: 1 1 14rem;
  margin: 0;
}

.catalog-search input {
  width: 100%;
}

.catalog-available {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.category-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
}

.chip:hover {
  border-color: var(--accent);
  color: var(--text);
}

.chip-active {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.product-category {
  margin: 0 0 0.25rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

.product-card-thumb-img {
  padding: 0;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.product-card-thumb-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.product-thumb-cell {
  width: 56px;
}

.product-thumb-sm {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  display: block;
}

.product-thumb-placeholder {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
}

.admin-image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.admin-image-card {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-elevated);
}

.admin-image-card.is-primary {
  border-color: var(--accent);
}

.admin-image-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

.admin-image-card figcaption {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.5rem;
  align-items: center;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ═══ FOOTER ═══ */
.site-footer {
  margin-top: auto;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

.footer-inner { text-align: center; }

.footer-brand {
  margin: 0 0 0.35rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-note {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ═══ ERROR PAGE ═══ */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
}

.error-page .form-card { max-width: 420px; }

.error-page h1 {
  margin: 0 0 0.75rem;
  font-size: 1.5rem;
}

.error-page p { margin: 0 0 1.5rem; color: var(--text-muted); }

/* ═══ STEPS (admin login) ═══ */
.steps {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.step {
  flex: 1;
  padding: 0.5rem;
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-dim);
  border-bottom: 2px solid var(--border);
}

.step.is-active {
  color: var(--accent);
  border-color: var(--accent);
}

.step.is-done {
  color: var(--success);
  border-color: var(--success);
}

.address-block {
  margin: 1rem 0;
  padding: 1rem 1.25rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  white-space: pre-wrap;
  line-height: 1.6;
}