/* FLUX Tecnología — sistema visual (designer-assitant SKILL) */

:root {
  --color-primary: #2970A9;
  --color-accent: #DB7434;
  --color-primary-deep: #2C3F92;
  --color-primary-bright: #2282C3;
  --color-accent-gold: #F59C22;

  --color-bg: #FFFFFF;
  --color-surface: #FFFFFF;
  --color-surface-subtle: #F7F9FC;
  --color-text: #1F2937;
  --color-text-secondary: #667085;
  --color-border: #E5E7EB;
  --color-border-subtle: #EEF1F4;
  --color-success: #22C55E;
  --color-danger: #EF4444;

  --font-sans: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-pill: 9999px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 4px 12px rgba(16, 24, 40, 0.08);

  --container: 1240px;
  --bp-sm: 640px;
  --bp-md: 768px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;
}

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

[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  margin: 0;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

h1 { font-size: 32px; font-weight: 700; line-height: 1.2; }
h2 { font-size: 24px; font-weight: 700; line-height: 1.25; }
h3 { font-size: 20px; font-weight: 600; line-height: 1.3; }
h4 { font-size: 16px; font-weight: 600; line-height: 1.4; }

p { margin: 0; }

ul { margin: 0; padding: 0; list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ---------- Header público ---------- */

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-subtle);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  background: var(--color-surface-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
}

.brand img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav a {
  color: var(--color-text);
  font-size: 14px;
  font-weight: 500;
  padding: var(--space-2) 0;
}

.nav a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.nav a[aria-current="page"] {
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
}

/* ---------- Hero ---------- */

.hero {
  padding: var(--space-16) 0;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: var(--space-10);
  align-items: center;
}

.hero__title {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.15;
  max-width: 16ch;
}

.hero__description {
  margin-top: var(--space-5);
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 52ch;
}

.hero__visual {
  background: var(--color-surface-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__visual img {
  width: 100%;
  max-width: 420px;
  height: auto;
  object-fit: contain;
}

/* ---------- Secciones ---------- */

.section {
  padding: var(--space-12) 0;
}

.section--subtle {
  background: var(--color-surface-subtle);
  border-top: 1px solid var(--color-border-subtle);
}

.section__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.section__title {
  font-size: 32px;
  font-weight: 700;
}

.section__link {
  font-size: 14px;
  font-weight: 600;
}

.section__title--accent {
  color: var(--color-primary);
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-6);
}

.section-spacer {
  height: 64px;
}

.page-heading {
  text-align: center;
  padding: var(--space-10) 0 var(--space-6);
}

.page-heading h1 {
  font-size: 40px;
}

.page-heading p {
  margin-top: var(--space-3);
  font-size: 16px;
  color: var(--color-text-secondary);
}

/* ---------- Filtros ---------- */

.filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  padding-bottom: var(--space-8);
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 6px var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}

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

.chip[aria-pressed="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ---------- Grid y cards ---------- */

.grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 150ms ease, border-color 150ms ease;
}

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

a.card:hover {
  border-color: var(--color-primary-bright);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--color-surface-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.card__body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.card__title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
}

.badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ---------- Producto destacado (inicio) ---------- */

.featured {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.featured__media {
  background: var(--color-surface-subtle);
  padding: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
}

.featured__media img {
  width: 100%;
  max-height: 360px;
  object-fit: contain;
}

.featured__content {
  padding: var(--space-6) var(--space-6) var(--space-6) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  justify-content: center;
}

.badge--inline {
  position: static;
  align-self: flex-start;
}

.featured__title {
  font-size: 24px;
  font-weight: 700;
}

.featured__text {
  color: var(--color-text-secondary);
  font-size: 15px;
}

.spec-summary {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: var(--color-surface);
}

.spec-summary h4 {
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.spec-summary p {
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* ---------- Detalle ---------- */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 13px;
  color: var(--color-text-secondary);
  margin: var(--space-6) 0 var(--space-5);
}

.breadcrumb a {
  color: var(--color-primary);
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: var(--space-2);
  color: var(--color-border);
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
}

.breadcrumb [aria-current="page"] {
  color: var(--color-text);
}

.product-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-8);
  align-items: start;
  padding-bottom: var(--space-12);
}

.product-hero__media {
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-hero__media img {
  width: 100%;
  max-height: 520px;
  object-fit: contain;
}

.product-hero__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.product-hero__code {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.product-hero__description {
  color: var(--color-text-secondary);
  font-size: 15px;
}

.specs-title {
  color: var(--color-primary);
  font-size: 18px;
  font-weight: 700;
}

.specs {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.specs__row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 10px var(--space-4);
  font-size: 13px;
  border-bottom: 1px solid var(--color-border-subtle);
}

.specs__row:last-child {
  border-bottom: 0;
}

.specs__row:nth-child(odd) {
  background: var(--color-surface-subtle);
}

.specs__key {
  font-weight: 600;
}

.specs__value {
  color: var(--color-text-secondary);
  text-align: right;
}

/* ---------- Botones ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 40px;
  padding: 0 var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease, box-shadow 150ms ease;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

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

.btn--primary:hover:not(:disabled) {
  background: var(--color-primary-deep);
  border-color: var(--color-primary-deep);
  text-decoration: none;
}

.btn--secondary {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn--secondary:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
  text-decoration: none;
}

.btn--whatsapp {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
  border-radius: var(--radius-pill);
  min-height: 48px;
  padding: 0 var(--space-6);
  font-size: 15px;
}

.btn--whatsapp:hover:not(:disabled) {
  background: #16A34A;
  border-color: #16A34A;
}

.btn--block {
  width: 100%;
}

.btn--loading {
  pointer-events: none;
  opacity: 0.75;
}

/* ---------- Estados ---------- */

.state {
  display: none;
  text-align: center;
  padding: var(--space-12) var(--space-4);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.state.is-visible {
  display: block;
}

.state__title {
  font-size: 18px;
  font-weight: 600;
}

.state__text {
  margin-top: var(--space-2);
  font-size: 14px;
  color: var(--color-text-secondary);
}

.spinner {
  width: 32px;
  height: 32px;
  margin: 0 auto var(--space-3);
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Formularios ---------- */

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 13px;
  font-weight: 600;
}

.field__required {
  color: var(--color-danger);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: inherit;
  font-size: 14px;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.field textarea {
  min-height: 104px;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--color-text-secondary);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(41, 112, 169, 0.18);
}

.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: var(--color-danger);
}

.field__error {
  font-size: 12px;
  color: var(--color-danger);
  min-height: 16px;
}

.form-alert {
  display: none;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 14px;
  border: 1px solid transparent;
}

.form-alert.is-visible {
  display: block;
}

.form-alert--error {
  background: #FEF2F2;
  border-color: #FECACA;
  color: #991B1B;
}

.form-alert--success {
  background: #F0FDF4;
  border-color: #BBF7D0;
  color: #166534;
}

/* ---------- Login ---------- */

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-subtle);
  padding: var(--space-6);
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.auth-card__brand {
  display: flex;
  justify-content: center;
}

.auth-card__brand img {
  height: 52px;
  object-fit: contain;
}

.auth-card__title {
  font-size: 20px;
  font-weight: 700;
  text-align: center;
}

.auth-card__subtitle {
  font-size: 13px;
  color: var(--color-text-secondary);
  text-align: center;
  margin-top: var(--space-1);
}

/* ---------- Admin layout ---------- */

.admin-body {
  background: var(--color-surface-subtle);
  min-height: 100vh;
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-6);
}

.admin-topbar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 16px;
  font-weight: 700;
}

.admin-topbar__brand img {
  height: 36px;
  object-fit: contain;
}

.admin-topbar__brand span strong {
  color: var(--color-text);
}

.admin-topbar__brand span {
  color: var(--color-primary);
}

.admin-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-align: right;
}

.admin-user__name {
  font-size: 13px;
  font-weight: 600;
}

.admin-user__role {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.admin-user__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}

.admin-shell {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
  align-items: start;
}

.admin-sidebar {
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  min-height: calc(100vh - 61px);
  padding: var(--space-5) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 44px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 14px;
  font-weight: 500;
  background: transparent;
  border: 0;
  width: 100%;
  text-align: left;
  font-family: inherit;
  cursor: pointer;
}

.admin-nav-item:hover {
  background: var(--color-surface-subtle);
}

.admin-nav-item[aria-current="page"],
.admin-nav-item.is-active {
  background: rgba(41, 112, 169, 0.10);
  color: var(--color-primary);
}

.admin-nav-item--divider {
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  border-radius: 0;
  padding-top: var(--space-3);
}

.admin-main {
  padding: var(--space-8);
}

.admin-page-header h1 {
  font-size: 28px;
}

.admin-page-header p {
  margin-top: var(--space-2);
  color: var(--color-text-secondary);
  font-size: 14px;
}

.form-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: var(--space-6);
  margin-top: var(--space-6);
  align-items: start;
}

.form-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.panel__title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.panel__title::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  flex: none;
}

.panel__title--actions {
  justify-content: flex-end;
}

.panel__title--actions::before {
  display: none;
}

.panel__header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.panel__header-row .panel__title {
  margin-bottom: 0;
}

.form-rows {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-rows--two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* Especificaciones repetibles */
.specs-editor {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.specs-editor__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 44px;
  gap: var(--space-3);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.specs-editor__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 44px;
  gap: var(--space-3);
  align-items: center;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #FEF2F2;
  color: var(--color-danger);
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease;
}

.icon-btn:hover {
  background: #FEE2E2;
  border-color: var(--color-danger);
}

/* Upload */
.upload {
  border: 1.5px dashed var(--color-primary-bright);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: var(--space-6) var(--space-4);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.upload__icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(41, 112, 169, 0.10);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.upload__hint {
  font-size: 13px;
  font-weight: 600;
}

.upload__meta {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.upload__preview {
  width: 100%;
  max-height: 180px;
  object-fit: contain;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-subtle);
  padding: var(--space-2);
}

.actions-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* ---------- Listado administrativo (toolbar + tabla) ---------- */

.admin-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-6);
}

.admin-toolbar__search {
  flex: 1 1 260px;
  min-width: 0;
  height: 44px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font: inherit;
  font-size: 14px;
  color: var(--color-text);
}

.admin-toolbar__search::placeholder {
  color: var(--color-text-secondary);
}

.admin-toolbar__search:focus {
  outline: none;
  border-color: var(--color-primary-bright);
  box-shadow: 0 0 0 3px rgba(41, 112, 169, 0.15);
}

.admin-toolbar__contador {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-left: auto;
  white-space: nowrap;
}

.panel--tabla {
  margin-top: var(--space-4);
}

.tabla-scroll {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.admin-table th {
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.admin-table td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border-subtle);
  vertical-align: middle;
}

.admin-table tbody tr:last-child td {
  border-bottom: 0;
}

.admin-table tbody tr:hover {
  background: var(--color-surface-subtle);
}

.admin-table__acciones {
  text-align: right;
}

.tabla__thumb {
  display: block;
  width: 56px;
  height: 56px;
  object-fit: cover;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-subtle);
}

.tabla__sin-imagen {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  padding: 4px;
  font-size: 10px;
  line-height: 1.2;
  text-align: center;
  color: var(--color-text-secondary);
  background: var(--color-surface-subtle);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
}

.tabla__codigo {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  font-weight: 600;
}

.tabla__nombre {
  display: block;
  max-width: 320px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tabla__categoria {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(41, 112, 169, 0.10);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.acciones-fila {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.confirmar-texto {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-danger);
  white-space: nowrap;
}

.btn--sm {
  min-height: 34px;
  padding: 0 var(--space-3);
  font-size: 13px;
}

.btn--danger {
  background: var(--color-danger);
  border-color: var(--color-danger);
  color: #fff;
}

.btn--danger:hover:not(:disabled) {
  background: #B91C1C;
  border-color: #B91C1C;
}

.state--inline {
  padding: var(--space-8) var(--space-4);
}

.state .btn {
  margin-top: var(--space-4);
}

/* ---------- Modales (alertas, confirmaciones y formularios) ---------- */

body.modal-abierto {
  overflow: hidden;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
}

.modal__panel {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(880px, 100%);
  max-height: min(90vh, 940px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.modal__panel--sm {
  width: min(420px, 100%);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.modal__titulo {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
}

.modal__close {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease;
}

.modal__close:hover {
  background: var(--color-surface-subtle);
  color: var(--color-text);
}

.modal__body {
  padding: var(--space-5);
  overflow-y: auto;
}

.modal__body--centro {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.modal__icono {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  font-size: 26px;
  font-weight: 700;
}

.modal__icono--success {
  background: #F0FDF4;
  border: 1px solid #BBF7D0;
  color: #16A34A;
}

.modal__icono--error {
  background: #FEF2F2;
  border: 1px solid #FECACA;
  color: var(--color-danger);
}

.modal__mensaje {
  margin: 0;
  font-size: 15px;
  color: var(--color-text);
}

.modal__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
}

.modal__footer--centro {
  justify-content: center;
}

.modal__footer .form-alert {
  flex: 1 1 auto;
  margin: 0;
}

.modal__acciones {
  display: flex;
  gap: var(--space-3);
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--color-border-subtle);
  padding: var(--space-6) 0;
  color: var(--color-text-secondary);
  font-size: 13px;
  text-align: center;
}

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .hero__grid,
  .product-hero,
  .featured {
    grid-template-columns: minmax(0, 1fr);
  }

  .featured__content {
    padding: var(--space-6);
  }

  .form-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .admin-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .admin-sidebar {
    min-height: auto;
    flex-direction: row;
    flex-wrap: wrap;
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .admin-nav-item {
    width: auto;
  }

  .admin-nav-item--divider {
    margin-top: 0;
    border-top: 0;
    padding-top: 0;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 72px;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4);
    z-index: 20;
  }

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

  .site-header {
    position: relative;
  }

  .hero {
    padding: var(--space-8) 0;
  }

  .hero__title {
    font-size: 30px;
  }

  .page-heading h1,
  .section__title {
    font-size: 26px;
  }

  .grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .form-rows--two {
    grid-template-columns: minmax(0, 1fr);
  }

  .admin-main {
    padding: var(--space-5) var(--space-4);
  }

  .admin-topbar {
    flex-wrap: wrap;
  }

  .specs-editor__head {
    display: none;
  }

  .specs-editor__row {
    grid-template-columns: minmax(0, 1fr) 44px;
    grid-template-areas:
      "key btn"
      "value btn";
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-3);
  }

  .specs-editor__row .spec-key { grid-area: key; }
  .specs-editor__row .spec-value { grid-area: value; }
  .specs-editor__row .icon-btn { grid-area: btn; align-self: stretch; height: auto; }

  .admin-toolbar__contador {
    margin-left: 0;
    order: 3;
  }

  .admin-toolbar .btn {
    order: 2;
  }

  .admin-table thead {
    display: none;
  }

  .admin-table,
  .admin-table tbody,
  .admin-table tr,
  .admin-table td {
    display: block;
    width: 100%;
  }

  .admin-table tbody tr {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    margin-bottom: var(--space-3);
    padding: var(--space-2);
  }

  .admin-table td {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    border-bottom: 0;
    padding: var(--space-2);
    text-align: left;
  }

  .admin-table td::before {
    content: attr(data-label);
    flex: none;
    width: 88px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
  }

  .admin-table__acciones {
    text-align: left;
  }

  .acciones-fila {
    justify-content: flex-start;
  }

  .tabla__nombre {
    max-width: none;
    white-space: normal;
  }

  .modal {
    padding: var(--space-2);
  }

  .modal__panel {
    max-height: 95vh;
  }

  .modal__footer {
    flex-wrap: wrap;
  }

  .modal__footer .form-alert {
    flex: 1 1 100%;
  }

  .modal__acciones {
    flex: 1 1 auto;
    justify-content: flex-end;
  }
}

@media (max-width: 640px) {
  .product-hero__media img {
    max-height: 320px;
  }
}