/* ===== Integrados UI Components ===== */

.icon {
  width: 24px;
  height: 24px;
  display: inline-block;
  flex-shrink: 0;
  color: currentColor;
}
.icon-sm { width: 18px; height: 18px; }
.icon-lg { width: 32px; height: 32px; }
.icon-blue { color: var(--brand-blue); }
.icon-cyan { color: var(--brand-cyan); }
.icon-purple { color: var(--brand-purple); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  z-index: 2000;
  background: var(--brand-blue);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
}
.skip-link:focus {
  left: 8px;
}

/* Logo horizontal (isotipo + wordmark) — navbar, login, pagar */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}
.logo:hover { opacity: 0.92; }
.logo-mark {
  height: 42px;
  width: auto;
  max-width: 92px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}
.logo-mark--lg { height: 56px; max-width: 140px; }
.logo-word {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.04em;
  line-height: 1;
  color: #fff;
  white-space: nowrap;
}
.logo-i {
  background: linear-gradient(180deg, #00E5FF 0%, #1366FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: var(--touch);
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.btn:active { transform: scale(0.98); }
.btn:focus-visible {
  outline: 2px solid var(--brand-cyan);
  outline-offset: 2px;
}
.btn:disabled,
.btn[aria-disabled="true"],
.btn.is-loading {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}
.btn.is-loading { position: relative; color: transparent !important; }
.btn.is-loading::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.btn-sm { min-height: var(--touch); padding: 8px 16px; font-size: 0.85rem; }
.btn-full { width: 100%; }

.btn-primary {
  background: var(--brand-blue);
  color: #fff;
}
.btn-primary:hover {
  background: var(--brand-purple);
  color: #fff;
}

.btn-gradient {
  background: var(--gradient-cta);
  color: #fff;
  border: none;
}
.btn-gradient:hover {
  filter: brightness(1.06);
  color: #fff;
  box-shadow: 0 8px 24px rgba(19, 102, 255, 0.28);
}

.btn-secondary {
  background: var(--surface-white);
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-secondary:hover {
  border-color: var(--brand-blue);
  color: var(--brand-blue);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-outline:hover {
  border-color: var(--brand-blue);
  color: var(--brand-blue);
  background: var(--accent-soft);
}

.btn-ghost {
  background: transparent;
  color: var(--brand-blue);
  border-color: transparent;
}
.btn-ghost:hover {
  background: var(--accent-soft);
  color: var(--brand-blue);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { filter: brightness(1.05); color: #fff; }

.btn-on-dark {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.28);
}
.btn-on-dark:hover {
  border-color: var(--brand-cyan);
  color: var(--brand-cyan);
  background: rgba(0, 229, 255, 0.08);
}

.btn-outline-nav {
  background: transparent;
  color: var(--text-on-dark-secondary) !important;
  border: 1px solid rgba(255,255,255,0.18);
  padding: 8px 16px;
  border-radius: var(--radius-md);
}
.btn-outline-nav:hover {
  border-color: var(--brand-cyan);
  color: #fff !important;
  background: rgba(0, 229, 255, 0.08);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--touch);
  height: var(--touch);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-white);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}
.icon-btn:hover { border-color: var(--brand-blue); color: var(--brand-blue); }
.icon-btn:focus-visible { outline: 2px solid var(--brand-cyan); outline-offset: 2px; }

/* Cards */
.card,
.service-card,
.product-card {
  background: var(--surface-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: none;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.card:hover,
.service-card:hover,
.product-card:hover {
  border-color: var(--brand-blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  background: var(--surface-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group textarea { min-height: 112px; resize: vertical; }
.form-group input::placeholder,
.form-group textarea::placeholder,
.form-group select:invalid {
  color: var(--text-secondary);
}
.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
  border-color: var(--border-strong);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.35);
}
.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {
  background: var(--surface-light);
  color: var(--text-secondary);
  cursor: not-allowed;
}
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}
.form-group.is-success input,
.form-group.is-success select,
.form-group.is-success textarea {
  border-color: var(--success);
}
.field-error {
  display: none;
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--danger);
}
.form-group.has-error .field-error { display: block; }

/* Alerts */
.alert {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface-white);
  font-size: 0.9rem;
  line-height: 1.5;
}
.alert-body { flex: 1; min-width: 0; }
.alert-title { font-family: var(--font-display); font-weight: 600; margin-bottom: 2px; }
.alert-close {
  background: none; border: none; cursor: pointer;
  color: inherit; opacity: 0.7; font-size: 1.2rem; line-height: 1;
  min-width: 32px; min-height: 32px;
}
.alert-close:hover { opacity: 1; }
.alert-success { background: var(--success-soft); border-color: #6EE7B7; color: var(--success-text); }
.alert-warning { background: var(--warning-soft); border-color: #FCD34D; color: var(--warning-text); }
.alert-error { background: var(--danger-soft); border-color: #FCA5A5; color: var(--danger-text); }
.alert-info { background: var(--info-soft); border-color: #93C5FD; color: var(--info-text); }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.badge-draft, .badge-cancelled { background: var(--surface-light); color: var(--text-secondary); }
.badge-sent, .badge-info { background: var(--info-soft); color: var(--info-text); }
.badge-paid, .badge-success, .badge-activo { background: var(--success-soft); color: var(--success-text); }
.badge-overdue, .badge-error { background: var(--danger-soft); color: var(--danger-text); }
.badge-warning, .badge-pendiente { background: var(--warning-soft); color: var(--warning-text); }
.badge-procesando { background: #EDE9FE; color: #6D28D9; }

/* Tables */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.data-table,
.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 0.875rem;
}
.table-wrap th,
.table-wrap td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  height: auto;
  min-height: 48px;
}
.table-wrap th {
  background: var(--surface-light);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.table-wrap tbody tr { transition: background var(--transition); }
.table-wrap tbody tr:hover td { background: rgba(19, 102, 255, 0.04); }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 15, 25, 0.55);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeIn var(--duration) var(--ease);
}
.modal {
  background: var(--surface-white);
  border-radius: var(--radius-modal);
  width: 100%;
  max-width: 720px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalIn var(--duration) var(--ease);
}
.modal-header,
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 24px;
}
.modal-header { border-bottom: 1px solid var(--border); }
.modal-footer { border-top: 1px solid var(--border); justify-content: flex-end; }
.modal-body { padding: 24px; }
.modal-close {
  width: 36px; height: 36px;
  border: none; border-radius: var(--radius-sm);
  background: var(--surface-light);
  color: var(--text-secondary);
  cursor: pointer; font-size: 1.25rem;
  transition: var(--transition);
}
.modal-close:hover { background: var(--border); color: var(--text-primary); }
.modal-close:focus-visible { outline: 2px solid var(--brand-cyan); }

/* Toast */
#toast-root, .toast-root {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-width: 280px;
  max-width: 380px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--surface-white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  animation: toastIn var(--duration) var(--ease);
  font-size: 0.875rem;
}
.toast.success, .toast-success { border-color: #6EE7B7; background: var(--success-soft); color: var(--success-text); }
.toast.error, .toast-error { border-color: #FCA5A5; background: var(--danger-soft); color: var(--danger-text); }
.toast.warning, .toast-warning { border-color: #FCD34D; background: var(--warning-soft); color: var(--warning-text); }
.toast.info, .toast-info { border-color: #93C5FD; background: var(--info-soft); color: var(--info-text); }
.toast-close {
  background: none; border: none; cursor: pointer;
  color: inherit; margin-left: auto; font-size: 1.1rem;
  min-width: 28px; min-height: 28px;
}

/* Spinner / Skeleton */
.spinner {
  width: 28px; height: 28px;
  border: 2px solid var(--border);
  border-top-color: var(--brand-blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.skeleton {
  background: linear-gradient(90deg, var(--surface-light) 25%, #e8edf3 50%, var(--surface-light) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease infinite;
  border-radius: var(--radius-sm);
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalIn {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: none; }
}
@keyframes toastIn {
  from { transform: translateX(24px); opacity: 0; }
  to { transform: none; opacity: 1; }
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@media (prefers-reduced-motion: reduce) {
  .btn, .card, .service-card, .product-card { transition: none; }
  .modal, .toast, .modal-overlay, .skeleton, .spinner, .btn.is-loading::after {
    animation: none !important;
  }
}