/* ============================================================
   LLANOTEC — Panel de Administración
   Tokens heredados del design system de la landing
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@700;800;900&family=Inter:wght@400;500;600;700&display=swap');

/* ---- Reset mínimo ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  background: #070F1C;
  color: #EAF0F6;
  min-height: 100vh;
  line-height: 1.6;
}

/* ---- Tokens ---- */
:root {
  --night:          #0A1B30;
  --night-2:        #0E2238;
  --night-3:        #14304B;
  --on-dark:        #EAF0F6;
  --on-dark-soft:   #A9B8C7;
  --on-dark-muted:  #6E8095;
  --line-dark:      rgba(255,255,255,.10);
  --gold:           #F2A53A;
  --gold-2:         #F6B954;
  --ember:          #E2762B;
  --clay:           #C9472A;
  --sunset:         linear-gradient(118deg, #F6B954 0%, #E2762B 55%, #C9472A 100%);
  --r:              12px;
  --r-sm:           8px;
  --ink:            #0E1F33;
  --danger:         #E85050;
  --success:        #3DD68C;
  --sidebar-w:      240px;
}

/* ================================================================
   LAYOUT: sidebar + main
   ================================================================ */
.adm-wrap {
  display: flex;
  min-height: 100vh;
}

/* ---- Sidebar ---- */
.adm-sidebar {
  width: var(--sidebar-w);
  background: var(--night);
  border-right: 1px solid var(--line-dark);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform .25s ease;
}

.adm-logo {
  padding: 1.5rem 1.25rem 1.25rem;
  border-bottom: 1px solid var(--line-dark);
}
.adm-logo__img {
  height: 18px;
  width: auto;
  display: block;
  max-width: 140px;
}
.adm-logo__sub {
  font-size: .7rem;
  color: var(--on-dark-muted);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* Nav */
.adm-nav {
  flex: 1;
  padding: 1rem 0;
  overflow-y: auto;
}
.adm-nav__label {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--on-dark-muted);
  padding: .75rem 1.25rem .25rem;
}
.adm-nav__link {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .6rem 1.25rem;
  color: var(--on-dark-soft);
  text-decoration: none;
  font-size: .875rem;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all .15s ease;
}
.adm-nav__link:hover,
.adm-nav__link.is-active {
  color: var(--on-dark);
  background: rgba(255,255,255,.05);
  border-left-color: var(--gold);
}
.adm-nav__link svg { flex-shrink: 0; opacity: .7; }
.adm-nav__link:hover svg,
.adm-nav__link.is-active svg { opacity: 1; }

/* Sidebar footer */
.adm-sidebar__foot {
  padding: 1rem 1.25rem 1.1rem;
  border-top: 1px solid var(--line-dark);
  font-size: .8rem;
  background: rgba(0,0,0,.15);
}
.adm-user-chip {
  display: flex;
  align-items: center;
  gap: .65rem;
  margin-bottom: .7rem;
  padding: .5rem .6rem;
  border-radius: var(--r-sm);
  background: rgba(255,255,255,.03);
  border: 1px solid var(--line-dark);
}
.adm-user-chip__avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--sunset);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Archivo', sans-serif;
  font-weight: 800;
  font-size: .82rem;
  color: #1C0D00;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px rgba(242,165,58,.25);
}
.adm-user-chip__name {
  font-weight: 600;
  color: var(--on-dark);
  font-size: .8rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.adm-user-chip__role {
  font-size: .62rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 600;
  opacity: .8;
}
.adm-sidebar__foot-actions {
  display: flex;
  gap: .4rem;
}
.btn-home {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex: 1;
  padding: .45rem .5rem;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line-dark);
  border-radius: var(--r-sm);
  color: var(--on-dark-muted);
  font-size: .76rem;
  font-weight: 500;
  text-decoration: none;
  transition: all .15s ease;
}
.btn-home:hover { background: rgba(242,165,58,.08); color: var(--gold); border-color: rgba(242,165,58,.25); }
.btn-logout {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: .45rem .5rem;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line-dark);
  border-radius: var(--r-sm);
  color: var(--on-dark-muted);
  font-size: .76rem;
  font-weight: 500;
  cursor: pointer;
  transition: all .15s ease;
}
.btn-logout:hover { background: rgba(232,80,80,.1); color: var(--danger); border-color: rgba(232,80,80,.3); }

/* ---- Main content ---- */
.adm-main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Topbar */
.adm-topbar {
  height: 56px;
  background: var(--night);
  border-bottom: 1px solid var(--line-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.75rem;
  position: sticky;
  top: 0;
  z-index: 50;
}
.adm-topbar__title {
  font-family: 'Archivo', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  color: var(--on-dark);
}
.adm-topbar__meta {
  font-size: .78rem;
  color: var(--on-dark-muted);
}

/* Page body */
.adm-page {
  flex: 1;
  padding: 1.75rem;
  width: 100%;
}

/* ================================================================
   CARDS / PANELES
   ================================================================ */
.card {
  background: var(--night);
  border: 1px solid var(--line-dark);
  border-radius: var(--r);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--sunset);
}
.card__title {
  font-family: 'Archivo', sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--on-dark);
  margin-bottom: .35rem;
}
.card__sub {
  font-size: .82rem;
  color: var(--on-dark-muted);
  margin-bottom: 1.25rem;
}

/* Stat cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.stat-card {
  background: var(--night-2);
  border: 1px solid var(--line-dark);
  border-radius: var(--r);
  padding: 1.25rem 1.5rem;
  position: relative;
}
.stat-card__label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--on-dark-muted);
  margin-bottom: .4rem;
}
.stat-card__value {
  font-family: 'Archivo', sans-serif;
  font-weight: 900;
  font-size: 2rem;
  background: var(--sunset);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-card__note {
  font-size: .75rem;
  color: var(--on-dark-muted);
  margin-top: .3rem;
}
.stat-card__icon {
  position: absolute;
  top: 1rem; right: 1rem;
  opacity: .15;
}

/* ================================================================
   LOGIN PAGE
   ================================================================ */
.login-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #070F1C;
  padding: 1.5rem;
}
.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--night);
  border: 1px solid var(--line-dark);
  border-radius: var(--r);
  padding: 2.5rem 2rem;
  position: relative;
  overflow: hidden;
}
.login-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--sunset);
}
.login-back {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: .78rem;
  font-weight: 500;
  color: rgba(255,255,255,.38);
  text-decoration: none;
  margin-top: 1.25rem;
  transition: color .2s ease;
}
.login-back:hover { color: var(--gold); }
.login-logo {
  text-align: center;
  margin-bottom: 1.75rem;
}
.login-logo__img {
  height: 26px;
  width: auto;
  display: block;
  margin: 0 auto;
  max-width: 160px;
}
.login-logo__sub {
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--on-dark-muted);
  margin-top: 4px;
}
/* Brackets decorativos */
.login-card .bracket {
  position: absolute;
  width: 20px; height: 20px;
  border: 1.5px solid rgba(242,165,58,.35);
}
.login-card .bracket--tl { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.login-card .bracket--tr { top: 12px; right: 12px; border-left: 0; border-bottom: 0; }
.login-card .bracket--bl { bottom: 12px; left: 12px; border-right: 0; border-top: 0; }
.login-card .bracket--br { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }

/* Formulario */
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-size: .78rem;
  font-weight: 600;
  color: var(--on-dark-soft);
  margin-bottom: .4rem;
  letter-spacing: .04em;
}
.form-group input {
  width: 100%;
  padding: .7rem 1rem;
  background: var(--night-2);
  border: 1px solid var(--line-dark);
  border-radius: var(--r-sm);
  color: var(--on-dark);
  font-family: 'Inter', sans-serif;
  font-size: .9rem;
  transition: border-color .15s ease, box-shadow .15s ease;
  outline: none;
}
.form-group input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(242,165,58,.15);
}
.form-group input::placeholder { color: var(--on-dark-muted); }

.btn-gold {
  width: 100%;
  padding: .8rem 1.5rem;
  background: linear-gradient(135deg, #F6B954, #F2A53A, #E2762B);
  border: none;
  border-radius: var(--r-sm);
  color: #1C0D00;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: .9rem;
  cursor: pointer;
  transition: transform .18s cubic-bezier(.34,1.56,.64,1), box-shadow .18s ease;
  box-shadow: 0 4px 14px rgba(226,118,43,.3);
  margin-top: .5rem;
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(226,118,43,.4); }
.btn-gold:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.alert {
  padding: .7rem 1rem;
  border-radius: var(--r-sm);
  font-size: .82rem;
  font-weight: 500;
  margin-bottom: 1rem;
  display: none;
}
.alert.is-error { background: rgba(232,80,80,.12); border: 1px solid rgba(232,80,80,.35); color: #FF8080; display: block; }
.alert.is-success { background: rgba(61,214,140,.12); border: 1px solid rgba(61,214,140,.35); color: #3DD68C; display: block; }

/* ================================================================
   MAIL READER
   ================================================================ */
.mail-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1rem;
  height: calc(100vh - 56px - 3.5rem);
  min-height: 500px;
}

/* Sidebar de carpetas */
.mail-folders {
  background: var(--night);
  border: 1px solid var(--line-dark);
  border-radius: var(--r);
  overflow-y: auto;
  padding: .75rem 0;
}
.mail-folders__title {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--on-dark-muted);
  padding: .25rem 1rem .5rem;
}
.mail-folder-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem 1rem;
  cursor: pointer;
  font-size: .85rem;
  color: var(--on-dark-soft);
  border-left: 3px solid transparent;
  transition: all .12s ease;
}
.mail-folder-item:hover,
.mail-folder-item.is-active {
  background: rgba(255,255,255,.04);
  color: var(--on-dark);
  border-left-color: var(--gold);
}

/* Lista de mensajes */
.mail-list-pane {
  background: var(--night);
  border: 1px solid var(--line-dark);
  border-radius: var(--r);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.mail-list-toolbar {
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--line-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.mail-list-toolbar__folder {
  font-family: 'Archivo', sans-serif;
  font-weight: 800;
  font-size: .95rem;
  color: var(--on-dark);
}
.mail-list-toolbar__count {
  font-size: .75rem;
  color: var(--on-dark-muted);
}

.mail-list {
  flex: 1;
  overflow-y: auto;
}
.mail-item {
  padding: .85rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,.05);
  cursor: pointer;
  transition: background .1s ease;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .25rem .75rem;
}
.mail-item:hover { background: rgba(255,255,255,.04); }
.mail-item.is-active { background: rgba(242,165,58,.07); border-left: 3px solid var(--gold); }
.mail-item.is-unread .mail-item__subject { font-weight: 700; color: var(--on-dark); }
.mail-item__from {
  font-size: .8rem;
  font-weight: 600;
  color: var(--on-dark-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mail-item__subject {
  font-size: .82rem;
  color: var(--on-dark-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  grid-column: 1;
}
.mail-item__date {
  font-size: .72rem;
  color: var(--on-dark-muted);
  white-space: nowrap;
  text-align: right;
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
}
.mail-unread-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Pagination */
.mail-pagination {
  padding: .6rem 1rem;
  border-top: 1px solid var(--line-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .78rem;
  color: var(--on-dark-muted);
  flex-shrink: 0;
}
.btn-page {
  padding: .3rem .75rem;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--line-dark);
  border-radius: 6px;
  color: var(--on-dark-soft);
  font-size: .78rem;
  cursor: pointer;
  transition: all .12s ease;
}
.btn-page:hover:not(:disabled) { background: rgba(255,255,255,.1); color: var(--on-dark); }
.btn-page:disabled { opacity: .35; cursor: not-allowed; }

/* Mail reader body */
.mail-reader {
  display: none;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}
.mail-reader.is-open {
  display: flex;
}
.mail-reader__header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line-dark);
  flex-shrink: 0;
}
.mail-reader__subject {
  font-family: 'Archivo', sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--on-dark);
  margin-bottom: .5rem;
  line-height: 1.3;
}
.mail-reader__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .75rem;
  font-size: .78rem;
  color: var(--on-dark-muted);
}
.mail-reader__meta strong { color: var(--on-dark-soft); }
.mail-reader__body {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
}
.mail-reader__body iframe {
  width: 100%;
  border: none;
  background: #fff;
  border-radius: 8px;
  min-height: 400px;
}

/* Mail: estado vacío */
.mail-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  color: var(--on-dark-muted);
  padding: 2rem;
  text-align: center;
}
.mail-empty svg { opacity: .3; }
.mail-empty p { font-size: .9rem; }

/* No-config panel */
.no-config-panel {
  text-align: center;
  padding: 3rem 2rem;
}
.no-config-panel h3 {
  font-family: 'Archivo', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--on-dark);
  margin-bottom: .5rem;
}
.no-config-panel p {
  color: var(--on-dark-muted);
  font-size: .9rem;
  margin-bottom: 1.5rem;
}

/* ================================================================
   FORMULARIO DE CONFIGURACIÓN IMAP
   ================================================================ */
.config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.config-grid .span-2 { grid-column: 1 / -1; }

.form-group select {
  width: 100%;
  padding: .7rem 1rem;
  background: var(--night-2);
  border: 1px solid var(--line-dark);
  border-radius: var(--r-sm);
  color: var(--on-dark);
  font-family: 'Inter', sans-serif;
  font-size: .9rem;
  outline: none;
  cursor: pointer;
}
.form-group select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(242,165,58,.15);
}

.btn-outline {
  padding: .65rem 1.25rem;
  background: transparent;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-sm);
  color: var(--on-dark-soft);
  font-family: 'Inter', sans-serif;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s ease;
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }

.btn-primary {
  padding: .65rem 1.5rem;
  background: linear-gradient(135deg, #F6B954, #F2A53A, #E2762B);
  border: none;
  border-radius: var(--r-sm);
  color: #1C0D00;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: .85rem;
  cursor: pointer;
  transition: transform .18s cubic-bezier(.34,1.56,.64,1), box-shadow .18s ease;
  box-shadow: 0 4px 14px rgba(226,118,43,.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(226,118,43,.35); }

/* ================================================================
   UTILITIES
   ================================================================ */
.u-gold { color: var(--gold); }
.badge {
  display: inline-block;
  padding: .15em .55em;
  border-radius: 99px;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.badge--gold  { background: rgba(242,165,58,.15); color: var(--gold); }
.badge--green { background: rgba(61,214,140,.12); color: #3DD68C; }
.badge--red   { background: rgba(232,80,80,.12); color: #FF8080; }

.spinner {
  width: 28px; height: 28px;
  border: 3px solid rgba(255,255,255,.1);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  padding: 3rem;
  color: var(--on-dark-muted);
  font-size: .85rem;
}

/* Scrollbar personalizado */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.22); }

/* ================================================================
   SIDEBAR COLAPSABLE — desktop
   ================================================================ */

/* Transición suave en la transición del main al colapsar */
.adm-main {
  transition: margin-left .25s cubic-bezier(.4,0,.2,1);
}
.adm-sidebar {
  transition: width .25s cubic-bezier(.4,0,.2,1), transform .25s ease;
  overflow: hidden;
}

/* Estado colapsado: solo íconos (64px) */
.adm-sidebar.collapsed {
  width: 64px;
}
.adm-sidebar.collapsed + .adm-main {
  margin-left: 64px;
}

/* Logo colapsado: ocultar imagen, mostrar solo inicial */
.adm-sidebar.collapsed .adm-logo {
  padding: 1.1rem 0;
  display: flex;
  justify-content: center;
  align-items: center;
}
.adm-sidebar.collapsed .adm-logo__img,
.adm-sidebar.collapsed .adm-logo__sub { display: none; }
.adm-sidebar.collapsed .adm-logo::before {
  content: 'L';
  font-family: 'Archivo', sans-serif;
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--gold);
}

/* Navegación colapsada: solo íconos centrados */
.adm-sidebar.collapsed .adm-nav__label { display: none; }
.adm-sidebar.collapsed .adm-nav__link {
  justify-content: center;
  padding: .65rem 0;
  gap: 0;
  border-left-width: 2px;
}
.adm-sidebar.collapsed .adm-nav__link svg { opacity: .75; }
.adm-sidebar.collapsed .adm-nav__link:hover svg,
.adm-sidebar.collapsed .adm-nav__link.is-active svg { opacity: 1; }
/* Ocultar el texto de los links */
.adm-sidebar.collapsed .adm-nav__link > *:not(svg) { display: none; }

/* Footer colapsado */
.adm-sidebar.collapsed .adm-sidebar__foot {
  padding: .75rem 0;
  align-items: center;
}
.adm-sidebar.collapsed .adm-user-chip__name,
.adm-sidebar.collapsed .adm-user-chip__role { display: none; }
.adm-sidebar.collapsed .adm-user-chip {
  justify-content: center;
  margin-bottom: .5rem;
  background: none;
  border-color: transparent;
  padding: .25rem 0;
}
.adm-sidebar.collapsed .adm-sidebar__foot-actions { display: none; }

/* ── Nav item row (link + subnav toggle chevron) ── */
.adm-nav__item-row {
  display: flex;
  align-items: center;
}
.adm-nav__item-row .adm-nav__link { flex: 1; min-width: 0; }
.adm-nav__sub-toggle {
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--on-dark-muted);
  padding: 5px 7px;
  margin-right: 6px;
  border-radius: 4px;
  line-height: 0;
  transition: color .15s, background .15s;
}
.adm-nav__sub-toggle:hover { color: var(--on-dark); background: rgba(255,255,255,.06); }
.adm-nav__sub-toggle svg { transition: transform .22s cubic-bezier(.4,0,.2,1); }
.adm-nav__sub-toggle.is-rotated svg { transform: rotate(-90deg); }
.adm-sidebar.collapsed .adm-nav__sub-toggle { display: none; }

/* ── Mail sub-nav en sidebar principal ── */
.adm-mail-subnav {
  padding: .25rem 0 .6rem;
  overflow: hidden;
  max-height: 900px;
  transition: max-height .3s cubic-bezier(.4,0,.2,1), padding .3s ease;
}
.adm-mail-subnav.is-collapsed {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
}
.adm-sidebar.collapsed .adm-mail-subnav { display: none; }

/* ── Acento dorado en la parte superior del sidebar ── */
.adm-sidebar::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--sunset);
  z-index: 1;
}

/* ── Separador degradado bajo el logo ── */
.adm-logo {
  position: relative;
}

/* ── Highlight activo en item-row cuando el subnav está abierto ── */
.adm-nav__item-row .adm-nav__link.is-active {
  background: rgba(242,165,58,.08);
}

/* ================================================================
   RESPONSIVE BASE — sidebar toggle (oculto en desktop, visible en mobile)
   ================================================================ */
.adm-sidebar-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--on-dark);
  cursor: pointer;
  padding: .5rem;
  border-radius: 8px;
  transition: background .15s;
  min-width: 44px; min-height: 44px;
  align-items: center; justify-content: center;
}
.adm-sidebar-toggle:hover { background: rgba(255,255,255,.07); }

/* ================================================================
   SIDEBAR OVERLAY — backdrop mobile
   ================================================================ */
.adm-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 99;
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  animation: overlayIn .2s ease;
}
@keyframes overlayIn { from { opacity: 0; } to { opacity: 1; } }


/* ================================================================
   RESPONSIVE BREAKPOINTS
   ================================================================ */
@media (max-width: 860px) {
  /* Mostrar hamburger */
  .adm-sidebar-toggle { display: flex; }

  /* Sidebar como drawer */
  .adm-sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-w) !important;
    z-index: 100;
    box-shadow: none;
    transition: transform .28s cubic-bezier(.4,0,.2,1), box-shadow .28s ease;
  }
  .adm-sidebar.is-open {
    transform: translateX(0);
    box-shadow: 6px 0 32px rgba(0,0,0,.5);
  }
  .adm-sidebar.collapsed { transform: translateX(-100%); }
  .adm-sidebar-overlay.is-visible { display: block; }
  .adm-main { margin-left: 0 !important; }

  /* Topbar ajustado */
  .adm-topbar { padding: 0 1rem; }
  .adm-topbar__meta { display: none; }
  /* Título toma el espacio entre hamburger y posibles acciones derechas */
  .adm-topbar__title { flex: 1; }

  /* Grids */
  .mail-layout { grid-template-columns: 1fr; height: auto; }
  .mail-folders { display: none; }
  .config-grid { grid-template-columns: 1fr; }
  .config-grid .span-2 { grid-column: 1; }
}

@media (max-width: 768px) {
  .adm-page { padding: 1.25rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: .65rem; }
}

@media (max-width: 480px) {
  .adm-page { padding: 1rem; }
  .stats-grid { grid-template-columns: 1fr; gap: .55rem; }
  .stat-card { padding: 1rem 1.1rem; }
  .stat-card__value { font-size: 1.6rem; }
  .adm-topbar { padding: 0 .85rem; }
  .adm-topbar__title { font-size: .9rem; }
  .card { padding: 1.1rem; }
}