/* ==============================
   TOKENS GLOBALES COMPARTIDOS
   Este archivo interactúa con:
   - :root
   - .site-navbar
   - .site-logo
   - .nav-icon-link
   - .user-toggle
   - .user-menu

   Función:
   - Definir variables reutilizadas por la navbar desktop.
============================== */
:root{
  --c-bg:#151515;
  --c-bg-soft:#1b1b1b;
  --c-surface:#202225;
  --c-border:#333;
  --c-border-soft:rgba(255,255,255,.08);
  --c-white:#fff;
  --c-text-soft:rgba(255,255,255,.78);
  --c-primary:#0d6efd;
  --c-primary-d:#0b5ed7;
  --c-accent:#6ea8fe;

  --shadow-md:0 2px 10px rgba(0,0,0,.25);
  --shadow-lg:0 6px 24px rgba(0,0,0,.18);

  --logo-desktop:140px;

  --radius-sm:10px;
  --radius-md:14px;
  --radius-lg:18px;
}

/* ==============================
   Accesibilidad para reducir animaciones.
   Interactúa con:
   - todos los elementos de la navbar desktop
============================== */
@media (prefers-reduced-motion: reduce){
  *{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
}

/* ==============================
   Logo de escritorio.
   Interactúa con:
   - .site-logo img
============================== */
.site-logo img{
  width: var(--logo-desktop);
  height:auto;
  object-fit:contain;
  transition: transform .25s ease, filter .25s ease;
}

.site-logo:hover img{
  transform:scale(1.04);
  filter:drop-shadow(0 6px 12px rgba(13,110,253,.15));
}

/* ==============================
   Navbar principal de escritorio.
   Interactúa con:
   - .site-navbar
   - .site-navbar .nav-link
============================== */
.site-navbar{
  background:
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0)),
    var(--c-bg);
  padding:.55rem 1rem;
  box-shadow: var(--shadow-md);
  border-bottom:1px solid var(--c-border-soft);
}

.site-navbar .nav-link{
  color: var(--c-text-soft);
  transition: color .2s ease, background-color .2s ease, transform .2s ease;
}

.site-navbar .nav-link:hover{
  color:#fff;
}

/* ==============================
   Iconografía y enlaces de escritorio.
   Interactúa con:
   - .ti
   - .ti-lg
   - .nav-icon-link
   - .nav-pill-link
   - .nav-circle-link
============================== */
.ti{
  width:20px;
  height:20px;
  display:inline-block;
  vertical-align:middle;
  flex-shrink:0;
  stroke-linecap:round;
  stroke-linejoin:round;
}

.ti-lg{
  width:22px;
  height:22px;
  flex-shrink:0;
  stroke-linecap:round;
  stroke-linejoin:round;
}

.nav-icon-link{
  position:relative;
  padding:.5rem .72rem;
  border-radius:999px;
  transition: background-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.nav-icon-link:hover{
  background:rgba(255,255,255,.06);
  transform:translateY(-1px);
}

.nav-icon-link:hover .ti,
.nav-icon-link:hover .ti-lg{
  filter: drop-shadow(0 0 6px rgba(13,110,253,.18));
}

.nav-icon-link:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(13,110,253,.30);
  background:rgba(255,255,255,.08);
}

.site-navbar .nav-item > .nav-icon-link.d-flex{
  border-radius:999px;
  padding:.55rem .9rem;
}

.site-navbar .nav-item > .nav-icon-link.d-flex span{
  font-weight:500;
  letter-spacing:.01em;
}

/* ==============================
   Usuario de escritorio.
   Interactúa con:
   - .avatar-wrapper
   - .profile-img
   - .status-badge
   - .user-toggle
   - .user-labels .name
============================== */
.avatar-wrapper{
  position:relative;
  width:36px;
  height:36px;
  display:inline-block;
  flex-shrink:0;
}

.profile-img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:50%;
  border:2px solid rgba(255,255,255,.18);
  box-shadow:0 3px 12px rgba(0,0,0,.18);
}

.status-badge{
  position:absolute;
  right:0;
  bottom:0;
  width:10px;
  height:10px;
  background:#4caf50;
  border:2px solid var(--c-bg);
  border-radius:50%;
}

.user-toggle{
  display:flex;
  align-items:center;
  gap:.55rem;
  padding:.3rem .45rem;
  border-radius:999px;
  transition: background-color .2s ease;
}

.user-toggle:hover{
  background:rgba(255,255,255,.06);
}

.user-labels .name{
  font-size:.9rem;
  font-weight:600;
  color:#fff;
}

/* ==============================
   Dropdown de escritorio.
   Interactúa con:
   - .mentions-menu
   - .user-menu
   - .dropdown-header
   - .mention-link
   - .profile-header
   - .dropdown-item
============================== */
.mentions-menu,
.user-menu{
  min-width:300px;
  border:1px solid rgba(255,255,255,.06);
  border-radius:16px;
  padding:0;
  box-shadow: var(--shadow-lg);
  overflow:hidden;
  background:#fff;
}

.mentions-menu{
  max-height:60vh;
  overflow:auto;
}

.dropdown-header{
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-d));
  color:#fff;
  font-weight:600;
  padding:.85rem 1rem;
}

.mention-link{
  padding:.8rem 1rem;
  border-bottom:1px solid rgba(0,0,0,.05);
  display:block;
}

.mention-link:hover{
  background:#f8f9fa;
}

.user-menu .profile-header{
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-d));
  color:#fff;
  padding:1rem 1.25rem;
}

.user-menu .dropdown-item{
  padding:.72rem 1rem;
}

.user-menu .dropdown-item:hover{
  background:#f8f9fa;
  color:var(--c-primary);
}