/*
  Componentes base — SAAS Enterprise
  Depende de variables.css (debe cargarse antes que este archivo).
  CSS puro, sin frameworks. Estilo de referencia: Material Design.
*/

/* ============================================================
   Base / reset
   ============================================================ */

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

body {
  margin: 0;
  font-family: var(--font-family-base);
  font-size: var(--font-size-body);
  line-height: var(--line-height-base);
  color: var(--color-text-primary);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--space-3);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--font-size-display);
}
h2 {
  font-size: var(--font-size-headline);
}
h3 {
  font-size: var(--font-size-title);
}
h4 {
  font-size: var(--font-size-subtitle);
  font-weight: var(--font-weight-bold);
}

p {
  margin: 0 0 var(--space-3);
}

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

a:hover {
  text-decoration: underline;
}

small,
.text-caption {
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
}

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

/* ============================================================
   Botones
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 40px;
  padding: 0 var(--space-5);
  border: var(--border-width) solid transparent;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--transition-fast), border-color var(--transition-fast),
    box-shadow var(--transition-fast), opacity var(--transition-fast);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.btn:disabled,
.btn[aria-disabled='true'] {
  cursor: not-allowed;
  opacity: 0.5;
}

.btn-sm {
  height: 32px;
  padding: 0 var(--space-4);
  font-size: var(--font-size-label);
}

.btn-lg {
  height: 48px;
  padding: 0 var(--space-6);
  font-size: var(--font-size-subtitle);
}

/* Primario: relleno sólido */
.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}
.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
}
.btn-primary:active:not(:disabled) {
  background: var(--color-primary-active);
}

/* Secundario: relleno sólido en verde */
.btn-secondary {
  background: var(--color-secondary);
  color: var(--color-on-secondary);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--color-secondary-hover);
}
.btn-secondary:active:not(:disabled) {
  background: var(--color-secondary-active);
}

/* Peligro / destructivo */
.btn-danger {
  background: var(--color-error);
  color: var(--color-on-error);
}
.btn-danger:hover:not(:disabled) {
  background: var(--color-error-hover);
}
.btn-danger:active:not(:disabled) {
  background: var(--color-error-active);
}

/* Outlined: borde, sin relleno (acción secundaria) */
.btn-outlined {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-primary);
}
.btn-outlined:hover:not(:disabled) {
  background: var(--color-primary-light);
}

/* Text button: sin borde ni fondo (acción terciaria) */
.btn-text {
  background: transparent;
  color: var(--color-primary);
  padding: 0 var(--space-3);
}
.btn-text:hover:not(:disabled) {
  background: var(--color-primary-light);
}

/* Botón de solo ícono */
.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-text-secondary);
}
.btn-icon:hover:not(:disabled) {
  background: var(--color-surface-variant);
}

/* ============================================================
   Cards
   ============================================================ */

.card {
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-elevated {
  border-color: transparent;
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: var(--border-width) solid var(--color-divider);
}

.card-header h1,
.card-header h2,
.card-header h3,
.card-header h4 {
  margin: 0;
}

.card-body {
  padding: var(--space-5);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-top: var(--border-width) solid var(--color-divider);
  background: var(--color-surface-variant);
}

/* ============================================================
   Formularios / inputs
   ============================================================ */

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.field-label {
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.field-hint {
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
}

.field-error {
  font-size: var(--font-size-caption);
  color: var(--color-error);
}

.input,
.select,
.textarea {
  width: 100%;
  height: 40px;
  padding: 0 var(--space-3);
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: inherit;
  font-size: var(--font-size-body);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.textarea {
  height: auto;
  min-height: 96px;
  padding: var(--space-3);
  resize: vertical;
}

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

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}

.input.is-invalid,
.select.is-invalid,
.textarea.is-invalid {
  border-color: var(--color-error);
}
.input.is-invalid:focus,
.select.is-invalid:focus,
.textarea.is-invalid:focus {
  box-shadow: var(--shadow-focus-error);
}

.input:disabled,
.select:disabled,
.textarea:disabled {
  background: var(--color-surface-variant);
  color: var(--color-text-disabled);
  cursor: not-allowed;
}

.checkbox,
.radio {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
}

/* ============================================================
   Tablas
   ============================================================ */

.table-wrapper {
  width: 100%;
  overflow-x: auto;
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  font-size: var(--font-size-body);
}

.table th,
.table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  white-space: nowrap;
}

.table th {
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background: var(--color-surface-variant);
  border-bottom: var(--border-width) solid var(--color-border);
}

.table td {
  border-bottom: var(--border-width) solid var(--color-divider);
  color: var(--color-text-primary);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

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

/* ============================================================
   Badges / estados
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  height: 22px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  white-space: nowrap;
}

.badge-primary {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.badge-success {
  background: var(--color-secondary-light);
  color: var(--color-secondary);
}

.badge-error {
  background: var(--color-error-light);
  color: var(--color-error);
}

.badge-warning {
  background: var(--color-warning-light);
  color: #7a5f00;
}

.badge-neutral {
  background: var(--color-surface-variant);
  color: var(--color-text-secondary);
}

/* Banner de mensaje inline (errores de formulario, avisos). A diferencia
   de .badge, ocupa el ancho disponible y permite texto multilínea.
   La regla display sólo aplica cuando NO tiene [hidden]: así el atributo
   hidden nativo del navegador sigue funcionando para ocultarlo. */
.banner {
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-label);
  line-height: var(--line-height-base);
  margin-bottom: var(--space-4);
}

.banner:not([hidden]) {
  display: block;
}

.banner-error {
  background: var(--color-error-light);
  color: var(--color-error);
}

.banner-success {
  background: var(--color-secondary-light);
  color: var(--color-secondary);
}

/* Barra de progreso simple (ej. sellos actuales / requeridos). */
.progress-track {
  width: 100%;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-surface-variant);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* ============================================================
   Navbar
   ============================================================ */

.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-navbar);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: 64px;
  padding: 0 var(--space-6);
  background: var(--color-surface);
  border-bottom: var(--border-width) solid var(--color-divider);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-title);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.navbar-brand img,
.navbar-brand svg {
  height: 28px;
  width: auto;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar-link {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.navbar-link:hover {
  background: var(--color-surface-variant);
  color: var(--color-text-primary);
  text-decoration: none;
}

.navbar-link.is-active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Interruptor de tema (claro/oscuro). El atributo data-theme en <html>
   lo controla un pequeño script en cada frontend; este es solo el estilo visual. */
.theme-toggle {
  position: relative;
  width: 44px;
  height: 24px;
  border: none;
  border-radius: var(--radius-full);
  background: var(--color-surface-variant);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.theme-toggle::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}

:root[data-theme='dark'] .theme-toggle {
  background: var(--color-primary);
}

:root[data-theme='dark'] .theme-toggle::before {
  transform: translateX(20px);
}

/* Botón hamburguesa — oculto en escritorio, visible cuando la navbar
   tiene links y no caben (ver breakpoint más abajo). */
.navbar-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
}

.navbar-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 1px;
  background: var(--color-text-primary);
}

.navbar-toggle:hover {
  background: var(--color-surface-variant);
}

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

  .navbar-toggle {
    display: flex;
    order: 1;
  }

  .navbar-actions {
    order: 2;
  }

  .navbar-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-2);
    background: var(--color-surface);
    border-bottom: var(--border-width) solid var(--color-divider);
    box-shadow: var(--shadow-md);
  }

  .navbar-links.is-open {
    display: flex;
  }

  .navbar-link {
    width: 100%;
    height: 44px;
  }
}

/* ============================================================
   Utilidades de layout
   ============================================================ */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

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

.row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.divider {
  border: none;
  border-top: var(--border-width) solid var(--color-divider);
  margin: var(--space-4) 0;
}

/* Grid responsivo para tarjetas de planes/precios (billing). */
.billing-plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

/* Gráfica de barras simple (CSS puro, sin librerías) — conteos por mes. */
.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
  height: 180px;
}

.chart-bar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
}

.chart-bar-value {
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
}

.chart-bar {
  width: 100%;
  max-width: 40px;
  min-height: 3px;
  background: var(--color-primary);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: height var(--transition-slow);
}

.chart-bar-label {
  margin-top: var(--space-2);
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
  text-transform: capitalize;
}

/* Tarjeta de sellos tipo "punch card" — círculos rellenos = ganados. */
.stamp-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  padding: var(--space-4) 0;
}

.stamp-dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--color-text-disabled);
  flex-shrink: 0;
}

.stamp-dot--filled {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-on-primary);
}

/* Botones de feedback (👍/👎) — tarjetas rectangulares, solo ícono. */
.feedback-btn {
  width: 76px;
  height: 76px;
  border: none;
  border-radius: var(--radius-lg);
  font-size: 30px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.feedback-btn:hover {
  opacity: 0.85;
}

.feedback-btn:active {
  transform: scale(0.96);
}

.feedback-btn:disabled {
  cursor: not-allowed;
  opacity: 0.5;
  transform: none;
}

.feedback-btn--positive {
  background: var(--color-secondary-light);
}

.feedback-btn--negative {
  background: var(--color-error-light);
}