/*
  components.css — Piezas reutilizables en varias páginas:
  header, footer, menú móvil, formularios, cards, tablas, FAQ, toasts.
*/

/* =======================================================================
   HEADER
======================================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(11, 17, 27, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--color-border);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-3);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 800;
  font-size: var(--fs-md);
  letter-spacing: -0.01em;
}

.brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}

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

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

.nav-primary {
  display: none;
}

.nav-primary__list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-size: var(--fs-sm);
  font-weight: 500;
}

.nav-primary__list a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.nav-primary__list a:hover,
.nav-primary__list a[aria-current="page"] {
  color: var(--color-text);
}

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

.user-menu {
  position: relative;
}

.user-menu__trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 10px 6px 6px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  font-size: var(--fs-xs);
  font-weight: 600;
}

.user-menu__avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: var(--color-text-on-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 12px;
}

.user-menu__dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 200px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
}

.user-menu__dropdown a,
.user-menu__dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
}

.user-menu__dropdown a:hover,
.user-menu__dropdown button:hover {
  background: rgba(255, 255, 255, 0.05);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
}

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: var(--color-bg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

.mobile-nav[data-open="true"] {
  transform: translateX(0);
}

.mobile-nav__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  font-size: var(--fs-lg);
  font-weight: 600;
}

.mobile-nav__actions {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (min-width: 960px) {
  .nav-primary {
    display: block;
  }
  .nav-toggle {
    display: none;
  }
}

/* =======================================================================
   FOOTER
======================================================================= */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-2);
  padding-block: var(--space-16) var(--space-8);
  margin-top: var(--space-20);
}

.footer-grid {
  display: grid;
  gap: var(--space-10);
  grid-template-columns: 1.4fr repeat(3, 1fr);
}

.footer-brand p {
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  max-width: 320px;
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
}

.footer-col h3 {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-size: var(--fs-sm);
}

.footer-col a {
  color: var(--color-text);
  opacity: 0.85;
}

.footer-col a:hover {
  opacity: 1;
  color: var(--color-accent);
}

.footer-newsletter {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.footer-newsletter input {
  flex: 1;
  min-width: 0;
}

.footer-bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.footer-legal-links {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

@media (max-width: 860px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* =======================================================================
   CARDS
======================================================================= */
.card {
  background: linear-gradient(180deg, var(--color-surface-2) 0%, var(--color-bg-2) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.card--interactive {
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.card--interactive:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-strong);
}

/* =======================================================================
   FORMULARIOS (auth + contacto + cuenta)
======================================================================= */
.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-field label {
  font-size: var(--fs-sm);
  font-weight: 600;
}

.form-field__hint {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.form-field__error {
  font-size: var(--fs-xs);
  color: var(--color-danger);
  display: none;
  align-items: center;
  gap: 6px;
}

.form-field[data-invalid="true"] .form-field__error {
  display: flex;
}

.form-field[data-invalid="true"] input {
  border-color: var(--color-danger);
}

.input,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
textarea,
select {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  color: var(--color-text);
  font-size: var(--fs-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input:focus,
input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(29, 215, 255, 0.14);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.password-field {
  position: relative;
}

.password-field__toggle {
  position: absolute;
  right: 6px;
  top: 6px;
  bottom: 6px;
  padding-inline: 12px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
  font-weight: 700;
}

.password-field__toggle:hover {
  color: var(--color-text);
}

.checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.checkbox-field input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-accent);
  flex-shrink: 0;
}

.password-requirements {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.password-requirements li {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.password-requirements li[data-met="true"] {
  color: var(--color-success);
  border-color: rgba(47, 217, 124, 0.35);
  background: rgba(47, 217, 124, 0.08);
}

.form-alert {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-5);
}

.form-alert--error {
  background: rgba(255, 107, 107, 0.1);
  color: #FFB3B3;
  border: 1px solid rgba(255, 107, 107, 0.3);
}

.form-alert--success {
  background: rgba(47, 217, 124, 0.1);
  color: #A8F0C6;
  border: 1px solid rgba(47, 217, 124, 0.3);
}

.form-alert--info {
  background: rgba(61, 124, 255, 0.1);
  color: var(--color-blue-light, #7ACBFF);
  border: 1px solid rgba(61, 124, 255, 0.3);
}

.btn-spinner {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: currentColor;
  animation: spin 0.7s linear infinite;
  display: none;
}

[data-loading="true"] .btn-spinner {
  display: inline-block;
}

[data-loading="true"] .btn-label {
  opacity: 0.7;
}

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

/* =======================================================================
   TABLA COMPARATIVA / GENÉRICA
======================================================================= */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.table-scroll table {
  min-width: 560px;
}

.table-scroll th,
.table-scroll td {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  font-size: var(--fs-sm);
  border-bottom: 1px solid var(--color-border);
}

.table-scroll thead th {
  color: var(--color-text-muted);
  font-weight: 700;
  background: var(--color-surface);
}

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

.table-scroll td[data-yes] {
  color: var(--color-accent);
  font-weight: 700;
}

.table-scroll td[data-no] {
  color: var(--color-text-muted);
}

/* =======================================================================
   FAQ (acordeón nativo <details>)
======================================================================= */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

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

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
  font-weight: 600;
  cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item .chev {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--color-text-muted);
}

.faq-item[open] .chev {
  transform: rotate(180deg);
}

.faq-item p {
  padding-bottom: var(--space-4);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
  font-size: var(--fs-sm);
}

/* =======================================================================
   TOASTS
======================================================================= */
.toast-region {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 360px;
}

.toast {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-strong);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  font-size: var(--fs-sm);
  animation: toast-in var(--transition-slow);
}

.toast--error {
  border-color: rgba(255, 107, 107, 0.4);
}

.toast--success {
  border-color: rgba(47, 217, 124, 0.4);
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =======================================================================
   ESTADOS VACÍOS / PENDIENTES (usados en cuenta.html, descargas.html…)
======================================================================= */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}

.empty-state__icon {
  width: 40px;
  height: 40px;
  margin-inline: auto;
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

.pending-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-xs);
  color: var(--color-warning);
  background: rgba(255, 194, 75, 0.1);
  border: 1px solid rgba(255, 194, 75, 0.3);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

/* =======================================================================
   PROGRESS BAR (uso de consultas online)
======================================================================= */
.progress {
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  border-radius: inherit;
  background: var(--gradient-brand);
  transition: width var(--transition-slow);
}

.progress__bar[data-level="warning"] {
  background: linear-gradient(135deg, var(--color-warning), var(--color-danger));
}