* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: 'Poppins', sans-serif;
}

header {
  height: var(--header-h);
  background: var(--color-surface, #fff);
  border-bottom: 1px solid var(--color-border, #e2e2e2);
}
body.has-dashboard header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: var(--color-surface, #fff);
  border-bottom: 1px solid var(--color-border, #d8d8d8);
}

header nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 2rem;
  font-family: 'Noto Sans', sans-serif;
}
header .head-nav {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 10px;
}
header .head-nav h1 {
  font-weight: 300;
}

.app-nav {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  height: var(--header-h, 72px);
  padding: 0 4rem;
  background: var(--color-surface, #fff);
}
.app-nav::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--color-border, #c9c9c9);
  pointer-events: none;
}
.app-nav .brand {
  display: flex;
  align-items: center;
  gap: .55rem;
}
.app-nav .brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}
.app-nav h1 {
  font-size: 1.5rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--color-accent, #5E67CD), var(--color-accent-alt, #8b5cf6));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.app-nav .divider {
  flex: 0 0 1px;
  align-self: stretch;
  background: var(--color-border, #dcdcdc);
}

.nav-actions {
  margin-left: auto;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.nav-actions a {
  text-decoration: none;
  color: var(--color-accent, #5E67CD);
  font-weight: 500;
}
.nav-actions a#close-sesion,
.logout-btn {
  background: var(--gradient-accent, linear-gradient(135deg, #5E67CD, #8b5cf6));
  color: #fff;
  padding: .6rem 1.15rem;
  border-radius: 4px;
}
.nav-actions a#close-sesion:hover {
  filter: brightness(.9);
}

:root {
  --header-h: 72px;
}

.dashboard-shell {
  position: relative;
  display: flex;
  gap: 2rem;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem 2rem;
}
.dashboard-shell .dashboard-main {
  flex: 1;
  margin-left: 250px;
  padding-top: 3em;
}
.dashboard-shell .sidebar {
  position: fixed;
  left: 0;
  top: var(--header-h);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 250px;
  height: calc(100vh - var(--header-h));
  padding: 1.75rem 0 1.25rem;
  border-right: 1px solid var(--color-border, #e5e5e5);
  background: var(--color-surface, #fff);
  overflow: auto;
}
.dashboard-shell .sidebar-scroll {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.dashboard-shell .side-nav {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: .5rem 1rem 1.5rem;
}
.dashboard-shell .side-item {
  text-align: left;
  padding: .65rem .9rem;
  background: var(--color-surface-soft, #f2f2f7);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font: 500 .9rem 'Poppins', sans-serif;
  color: var(--color-text, #444);
}
.dashboard-shell .side-item.active,
.dashboard-shell .side-item:hover {
  background: var(--gradient-accent, linear-gradient(135deg, #5E67CD, #8b5cf6));
  color: #fff;
}
.dashboard-shell .user-card {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin: 1rem;
  margin-top: auto;
  margin-bottom: 5em;
  padding: .85rem .9rem;
  background: var(--color-surface-soft, #f2f2f7);
  border-radius: 10px;
  position: relative;
  top: 0;
}
.dashboard-shell .avatar {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-border, #ddd);
  border-radius: 50%;
  font-size: 1.2rem;
  color: var(--color-text, #fff);
}
.dashboard-shell .user-meta {
  display: flex;
  flex-direction: column;
  font-size: .72rem;
  line-height: 1.1;
}
.dashboard-shell .user-name {
  font-weight: 600;
  font-size: .8rem;
}
.dashboard-shell .user-role {
  color: var(--color-accent, #5E67CD);
  font-weight: 500;
}

body.has-dashboard {
  overflow: hidden;
}
body.has-dashboard #content {
  height: 100vh;
  overflow: auto;
  padding-top: var(--header-h);
}

@media (min-width:1000px) {
  .dashboard-shell .sidebar {
    display: flex;
    flex-direction: column;
  }
  .dashboard-shell .side-nav {
    margin-top: .25rem;
  }
}
@media (min-width:1000px) {
  .dashboard-shell .user-card {
    margin-top: 0.5rem;
  }
}

@media (max-width:999px) {
  .app-nav {
    padding: 0 1rem;
  }
  .app-nav .brand img {
    width: 36px;
    height: 36px;
  }
  .app-nav h1 {
    font-size: 1.15rem;
  }
  .nav-actions a {
    font-size: .8rem;
    padding: .45rem .85rem;
  }
  body.has-dashboard {
    overflow: auto;
  }
  body.has-dashboard #content {
    padding-top: var(--header-h);
  }
  .dashboard-shell {
    flex-direction: column;
    gap: 1rem;
  }
  .dashboard-shell .sidebar {
    position: static;
    width: 100%;
    height: auto;
    flex-direction: row;
    align-items: center;
    border-right: none;
    border-bottom: 1px solid var(--color-border, #e5e5e5);
    padding: .5rem .5rem;
  }
  .dashboard-shell .sidebar-scroll {
    flex: 1;
    overflow-x: auto;
    overflow-y: hidden;
  }
  .dashboard-shell .side-nav {
    flex-direction: row;
    gap: .5rem;
    padding: 0;
  }
  .dashboard-shell .side-item {
    flex: 0 0 auto;
    font-size: .8rem;
    padding: .5rem .65rem;
  }
  .dashboard-shell .user-card {
    margin: 0 0 0 .75rem;
    background: transparent;
    padding: 0;
    gap: .4rem;
  }
  .dashboard-shell .avatar {
    width: 34px;
    height: 34px;
    font-size: 1rem;
  }
  .dashboard-shell .user-meta {
    font-size: .6rem;
  }
  .dashboard-shell .dashboard-main {
    margin-left: 0;
  }
  #navUl {
    display: flex;
    align-items: center;
    gap: .9rem;
  }
  #navUl a {
    font-size: .75rem;
  }
  #navUl a#close-sesion {
    padding: .45rem .7rem;
    font-size: .7rem;
  }
  #navUl a.active {
    position: relative;
    font-weight: 600;
  }
  #navUl a.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -4px;
    height: 2px;
    background: var(--color-accent, #5E67CD);
    border-radius: 2px;
  }
  @media (max-width:600px) {
    :root { --header-h:60px; }
    body.has-dashboard header { position:fixed; }
    body.has-dashboard #content { padding-top:var(--header-h); }
    .app-nav {
      padding: 0 .8rem;
      gap: 1rem;
      height: var(--header-h);
    }
    .app-nav .brand img {
      width: 38px;
      height: 38px;
    }
    .app-nav h1 {
      font-size: 1.25rem;
    }
    #navUl {
      display: flex;
      gap: .95rem;
      overflow-x: auto;
      overflow-y: hidden;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }
    #navUl::-webkit-scrollbar { display: none; }
    #navUl a { font-size: .8rem; }
    #navUl a#close-sesion {
      font-size: .7rem;
      padding: .5rem .85rem;
    }
    #navUl a.active::after { bottom: -6px; }
  }
  @media (max-width:430px) {
    .app-nav { gap: .75rem; }
    #navUl { gap: .7rem; }
    #navUl a { font-size: .7rem; }
    #navUl a#close-sesion {
      font-size: .62rem;
      padding: .42rem .7rem;
    }
    .app-nav h1 { font-size: 1.05rem; }
  }
  @media (max-width:350px) {
    #navUl a { font-size: .64rem; }
    #navUl a#close-sesion { font-size: .58rem; }
  }
  @media (max-width:480px) {
    body.has-dashboard header { position: fixed; }
    .app-nav {
      flex-wrap: nowrap;
      height: var(--header-h);
    }
    #navUl { flex-wrap: nowrap; }
    #navUl a { background: none; }
    #navUl a.active { background: none; }
    #navUl a.active::after { display: block; }
  }
}

 .nav-user {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .7rem;
  color: var(--color-text, #222);
}
.avatar-sm {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-surface-soft, #eee);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
}
.bell {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  padding: .3rem;
}
.bell:hover { filter: brightness(.8); }
.bell-btn {
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  padding: .4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 1rem;
}
.bell-btn img {
  width: 22px;
  height: 22px;
  display: block;
}
.bell-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 10px;
  height: 10px;
  background: #e53935;
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--color-surface, #fff);
}
.hidden { display: none !important; }
.notif-popover {
  position: absolute;
  top: calc(100% + 6px);
  right: 1rem;
  width: 320px;
  max-height: 420px;
  background: var(--color-surface, #fff);
  border: 1px solid var(--color-border, #dadce2);
  border-radius: 10px;
  box-shadow: 0 8px 28px -6px rgba(0,0,0,.45);
  padding: 8px 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 400;
}
.notif-popover::before {
  content: "";
  position: absolute;
  top: -6px;
  right: 18px;
  width: 12px;
  height: 12px;
  background: var(--color-surface, #fff);
  border: 1px solid var(--color-border, #dadce2);
  border-bottom: none;
  border-right: none;
  transform: rotate(45deg);
}
.notif-popover-header {
  padding: 6px 14px 8px;
  font: 600 13px/1 system-ui, sans-serif;
  border-bottom: 1px solid var(--color-border, #eceef2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--color-text, #111);
}
.notif-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 340px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.notif-empty {
  padding: 26px 20px;
  text-align: center;
  font-size: 13px;
  color: #666;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}
.notif-item {
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-bottom: 1px solid #f0f1f4;
  font-size: 13px;
  line-height: 1.35;
  position: relative;
}
.notif-item.unread { background: #f5f7ff; }
.notif-item:last-child { border-bottom: none; }
.notif-item time {
  font-size: 11px;
  color: #777;
}
.notif-mark {
  margin-left: auto;
  background: none;
  border: none;
  color: #5E67CD;
  cursor: pointer;
  font-size: 11px;
  padding: 2px 4px;
  border-radius: 4px;
}
.notif-mark:hover { background: #eef0ff; }
.close-pop {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 2px 4px;
  color: #555;
}
.close-pop:hover { color: #000; }

#navUl {
  flex-shrink: 1;
  min-width: 0;
}

@media (max-width:600px) {
  .app-nav { padding: 0 .85rem; }
  .app-nav .brand img { width: 40px; height: 40px; }
  .app-nav h1 { font-size: 1.2rem; }
  #navUl { gap: .75rem; }
  #navUl a { font-size: .7rem; }
  #navUl a#close-sesion { padding: .42rem .7rem; font-size: .65rem; }
}
@media (max-width:480px) {
  /* Mantener header fijo también en móviles */
  .app-nav {
    padding: .4rem .8rem;
    gap: .65rem;
    height: var(--header-h);
  }
  .app-nav .brand img { width: 34px; height: 34px; }
  .app-nav h1 { font-size: 1.05rem; }
  #navUl {
    display: flex;
    gap: .55rem;
    overflow-x: auto;
    scrollbar-width: none;
  }
  #navUl::-webkit-scrollbar { display: none; }
  #navUl a { font-size: .62rem; padding: .4rem .55rem; }
  #navUl a#close-sesion { font-size: .6rem; padding: .45rem .65rem; }
}
@media (max-width:360px) {
  .app-nav h1 { font-size: .9rem; }
  #navUl { gap: .3rem; }
  #navUl a { font-size: .55rem; padding: .3rem .48rem; }
  /* opcional abreviar About Us */
  #navUl a[href="/about"] { white-space: nowrap; }
}

/* === Dark theme glassy header (reintroducido) === */
body.theme-dark header,
body.theme-dark .app-nav {
  background: linear-gradient(135deg, rgba(20,26,34,.82), rgba(20,26,34,.62) 55%, rgba(20,26,34,.48));
  backdrop-filter: blur(18px) saturate(155%);
  -webkit-backdrop-filter: blur(18px) saturate(155%);
  border-bottom: 1px solid rgba(255,255,255,.05);
  box-shadow: 0 10px 28px -12px rgba(0,0,0,.65), 0 0 0 1px rgba(255,255,255,.04) inset;
}
body.theme-dark .app-nav h1 {
  filter: drop-shadow(0 2px 6px rgba(0,0,0,.55));
}
body.theme-dark #navUl a,
body.theme-dark .nav-actions a {
  color: #d4daf3;
  text-shadow: 0 1px 2px rgba(0,0,0,.4);
}
body.theme-dark #navUl a:hover,
body.theme-dark .nav-actions a:hover {
  color: #fff;
}
body.theme-dark #navUl a.active::after {
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-alt));
  box-shadow: 0 0 6px -1px rgba(99,102,241,.7);
}
body.theme-dark .nav-actions a#close-sesion,
body.theme-dark #navUl a#close-sesion {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt));
  color: #fff;
  box-shadow: 0 4px 14px -4px rgba(99,102,241,.55);
}

.post-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.post-grid textarea { grid-column: 1 / -1; }
@media (max-width:700px) { .post-grid { grid-template-columns: 1fr; } }
@media (max-width:360px) {
  .post-grid { gap: 6px; }
  .post-grid input,
  .post-grid select,
  .post-grid textarea { font-size: .75rem; }
}
#posts .post-card { max-width: 100%; }

.hamburger-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: .6rem .55rem;
  background: none;
  border: none;
  cursor: pointer;
}
.hamburger-btn span {
  width: 22px;
  height: 2px;
  background: #5E67CD;
  border-radius: 2px;
  display: block;
  transition: .25s;
}
.hamburger-btn.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger-btn.is-open span:nth-child(2) { opacity: 0; }
.hamburger-btn.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
@media (max-width:900px) {
  .hamburger-btn { display: flex; }
  .app-nav .divider { display: none; }
  #navUl { display: none; }
}

/* Mobile drawer */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: flex;
}
.mobile-menu.hidden {
  pointer-events: none;
  opacity: 0;
}
.mobile-menu-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(2px);
}
.mobile-menu-panel {
  position: relative;
  width: 270px;
  max-width: 80%;
  background: #fff;
  height: 100%;
  box-shadow: 2px 0 18px -4px rgba(0,0,0,.25);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: .35s transform cubic-bezier(.4,.0,.2,1);
}
.mobile-menu.open .mobile-menu-panel { transform: translateX(0); }
.mobile-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1rem .75rem;
  border-bottom: 1px solid #eee;
}
.mm-title {
  font: 600 1rem 'Poppins', sans-serif;
  color: #5E67CD;
}
.mm-close {
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  padding: .25rem .4rem;
  color: #555;
}
.mobile-links {
  list-style: none;
  margin: 0;
  padding: .75rem .6rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.mobile-links a {
  display: block;
  text-decoration: none;
  padding: .65rem .75rem;
  border-radius: 6px;
  font: 500 .9rem 'Poppins', sans-serif;
  color: #444;
  background: #f2f2f7;
}
.mobile-links a.active,
.mobile-links a:hover {
  background: #5E67CD;
  color: #fff;
}
.mobile-menu-footer {
  margin-top: auto;
  padding: 1rem .8rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.mobile-menu-footer a#close-sesion {
  background: #5E67CD;
  color: #fff;
  text-align: center;
  padding: .7rem .9rem;
  border-radius: 6px;
  font-size: .9rem;
  text-decoration: none;
}
body.menu-open { overflow: hidden; }

/* === Mobile hamburger alignment fix === */
@media (max-width:900px) {
  .app-nav { flex-wrap: nowrap; }
  .app-nav .brand { flex: 0 0 auto !important; }
  .hamburger-btn { margin-left: auto; }
}
@media (max-width:480px) {
  .app-nav { flex-wrap: nowrap; }
  .app-nav .brand { flex: 0 0 auto !important; }
  .hamburger-btn { margin-left: auto; }
}
@media (max-width:999px) {
  #mobileNavLinks a.profile-link {
    display: flex;
    align-items: center;
    gap: .5rem;
  }
  #mobileNavLinks a.profile-link::before {
    content: "";
    width: 28px;
    height: 28px;
  background: url(/img/qlementine-icons_user-16.png) center/cover no-repeat;
    border-radius: 50%;
    flex-shrink: 0;
  }
}

.fab.fab-so { bottom: 32px !important; }
@media (max-width:700px) { .fab.fab-so { bottom: 32px !important; } }

/* Hide inline nav a bit earlier on large tablets */
@media (max-width:1100px) {
  #navUl { display: none !important; }
  .hamburger-btn { display: flex; }
}

/* Dark theme mobile drawer styles */
body.theme-dark .mobile-menu-backdrop {
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(4px);
}
body.theme-dark .mobile-menu-panel {
  background: linear-gradient(150deg, rgba(26,33,43,.85), rgba(26,33,43,.62));
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-right: 1px solid rgba(255,255,255,.06);
  box-shadow: 18px 0 40px -18px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.04) inset;
}
body.theme-dark .mobile-links a {
  background: rgba(255,255,255,.05);
  color: #d4daf3;
  text-shadow: 0 1px 2px rgba(0,0,0,.5);
  border: 1px solid rgba(255,255,255,.05);
}
body.theme-dark .mobile-links a:hover,
body.theme-dark .mobile-links a.active {
  background: linear-gradient(135deg, rgba(99,102,241,.45), rgba(139,92,246,.45));
  color: #fff;
  border-color: rgba(99,102,241,.6);
}
body.theme-dark .mobile-menu-footer a#close-sesion {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt));
  box-shadow: 0 4px 16px -6px rgba(99,102,241,.6);
}