.settings-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border-bottom: 1px dashed var(--accent-soft);
  max-width: 720px;
  margin: 0 auto;
}
.settings-header h1 {
  flex: 1;
  margin: 0;
  font-family: var(--hand);
  font-size: 1.8rem;
  color: var(--accent);
  font-weight: 400;
}

.settings-main {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem;
}

.settings-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card {
  background: var(--paper);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem;
  box-shadow: var(--shadow);
}

.card h2 {
  font-family: var(--hand);
  font-weight: 400;
  color: var(--accent);
  font-size: 1.6rem;
  margin: 0 0 0.5rem;
}

.card label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin: 0.5rem 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.card label.switch {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
}

.row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
  margin: 0.5rem 0;
}
.row input { flex: 1; min-width: 180px; }

hr {
  border: none;
  border-top: 1px dashed var(--accent-soft);
  margin: 1rem 0;
}

.muted {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.status {
  font-size: 0.9rem;
  color: var(--accent);
  margin: 0.5rem 0 0;
  min-height: 1.2em;
}

.device-list, .client-list, .charge-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0;
}
.device-list li, .client-list li, .charge-list li {
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--accent-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.device-list li:last-child, .client-list li:last-child, .charge-list li:last-child {
  border-bottom: none;
}

.badge {
  display: inline-block;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-pending { background: #FFF1D6; color: #B8860B; }
.badge-paid { background: #D4F4DD; color: #1F7B45; }
.badge-denied { background: #F8D6DC; color: #B8334A; }
.badge-cancelled, .badge-expired { background: #EDEDED; color: #555; }

details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--accent);
  padding: 0.4rem 0;
}

.tabs {
  display: flex;
  gap: 0.25rem;
  margin: 0.75rem 0 1rem;
  border-bottom: 1px solid var(--accent-soft);
}

.tab {
  background: none;
  border: none;
  padding: 0.6rem 1rem;
  cursor: pointer;
  color: var(--ink-soft);
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
}

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab:hover:not(.active) {
  color: var(--ink);
}

.tab-panel {
  padding-top: 0.5rem;
}

/* === Bottom navigation fija estilo app nativa móvil === */
.settings-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(251, 242, 232, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--accent-soft);
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  padding: 0.4rem 0.25rem calc(0.4rem + env(safe-area-inset-bottom, 0));
  box-shadow: 0 -2px 18px rgba(74, 42, 53, 0.08);
}

.settings-nav-btn {
  flex: 1 1 0;
  min-width: 0;
  background: none;
  border: none;
  padding: 0.35rem 0.2rem;
  border-radius: 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  color: var(--ink-soft);
  transition: all 0.18s ease;
  -webkit-tap-highlight-color: transparent;
}

.settings-nav-btn .nav-icon {
  font-size: 1.4rem;
  line-height: 1;
  transition: transform 0.18s;
}

.settings-nav-btn .nav-label {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1.1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.settings-nav-btn:active { transform: scale(0.92); }

.settings-nav-btn.active {
  color: var(--accent);
}
.settings-nav-btn.active .nav-icon {
  transform: scale(1.15);
}
.settings-nav-btn.active .nav-label {
  font-weight: 700;
}
.settings-nav-btn.active::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, #F490B6, var(--accent));
}
.settings-nav-btn { position: relative; }

/* Compensar contenido para que la barra inferior no lo tape */
.settings-main {
  padding-bottom: calc(5rem + env(safe-area-inset-bottom, 0)) !important;
}

.settings-tab-content {
  animation: fadeInTab 0.2s ease;
}
@keyframes fadeInTab {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* En pantallas anchas (desktop), llevamos la nav arriba pero estilo barra horizontal */
@media (min-width: 900px) {
  .settings-nav {
    position: sticky;
    top: 0;
    bottom: auto;
    border-top: none;
    border-bottom: 1px solid var(--accent-soft);
    box-shadow: 0 2px 14px rgba(74, 42, 53, 0.06);
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
  }
  .settings-nav-btn {
    flex: 0 0 auto;
    flex-direction: row;
    gap: 0.4rem;
    padding: 0.55rem 1rem;
    border-radius: 999px;
  }
  .settings-nav-btn .nav-icon { font-size: 1.1rem; }
  .settings-nav-btn .nav-label { font-size: 0.9rem; }
  .settings-nav-btn.active {
    background: linear-gradient(135deg, #F490B6 0%, var(--accent) 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(233, 30, 128, 0.25);
  }
  .settings-nav-btn.active::before { display: none; }
  .settings-main { padding-bottom: 2rem !important; }
}