/* =========================================================================
   iFix Medical Solutions — Barra de navegación lateral (rediseño)
   ========================================================================= */

/* ---- Paleta ------------------------------------------------------------ */
.left_col {
  --nav-bg-top:      #283E54;
  --nav-bg-mid:      #20344A;
  --nav-bg-bottom:   #1A2938;
  --nav-text:        #A6B6C8;
  --nav-text-soft:   rgba(255,255,255,.62);
  --nav-icon:        #7B90A6;
  --nav-accent:      #14B8DC;
  --nav-accent-bright:#2CD0F0;
  --nav-accent-soft: rgba(20,184,220,.13);
  --nav-hover-bg:    rgba(255,255,255,.06);
  --nav-divider:     rgba(255,255,255,.08);
}

/* ---- Fondo del sidebar ------------------------------------------------- */
.container.body .col-md-3.left_col {
  background: var(--nav-bg-bottom);
  box-shadow: inset -1px 0 0 rgba(255,255,255,.04);
}
.container.body .col-md-3.left_col > .left_col.scroll-view {
  background: linear-gradient(180deg,
              var(--nav-bg-top) 0%,
              var(--nav-bg-mid) 52%,
              var(--nav-bg-bottom) 100%);
  min-height: 100%;
  flex: 1 1 auto;
  width: 100%;
  box-sizing: border-box;
}

.left_col.scroll-view::-webkit-scrollbar        { width: 6px; }
.left_col.scroll-view::-webkit-scrollbar-track  { background: transparent; }
.left_col.scroll-view::-webkit-scrollbar-thumb  { background: rgba(255,255,255,.14); border-radius: 3px; }
.left_col.scroll-view::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.26); }

/* ---- Encabezado / Logo ------------------------------------------------- */
.left_col .navbar.nav_title {
  border: 0 !important;
  border-bottom: 1px solid var(--nav-divider) !important;
  margin: 0 !important;
  width: 100%;
  height: auto;
}

.nav-md .left_col .navbar.nav_title { padding: 16px 16px 15px !important; }
.nav-md .site_title {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  height: auto !important;
  line-height: normal !important;
  overflow: visible !important;
  white-space: nowrap;
  padding: 0 !important;
  margin: 0 !important;
  transition: opacity .2s ease;
}
.nav-md .site_title:hover { opacity: .9; }
.nav-md .site_title img:first-child {
  width: 60px;
  height: 60px;
  flex: 0 0 auto;
  background: none !important;
  border-radius: 0 !important;
  padding: 0 !important;
  box-shadow: none !important;
}
.nav-md .site_title img:last-child {
  height: 40px;
  width: auto;
  max-width: calc(100% - 74px);
  object-fit: contain;
}

.nav-sm .left_col .navbar.nav_title { padding: 15px 0 !important; }
.nav-sm .site_title {
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: visible !important;
  padding: 0 !important;
  margin: 0 !important;
}
.nav-sm .site_title img:first-child {
  width: 52px;
  height: 52px;
  background: none !important;
  border-radius: 0 !important;
  padding: 0 !important;
  box-shadow: none !important;
}
.nav-sm .site_title img:last-child { display: none; }

/* ---- Sección del menú -------------------------------------------------- */
.menu_section        { margin-bottom: 8px; }
.menu_section > ul   { margin-top: 6px; }
.main_menu_side      { padding: 8px 0 16px; }

/* =========================================================================
   MODO EXPANDIDO (nav-md)
   ========================================================================= */
.nav-md .nav.side-menu > li {
  position: relative;
  margin: 2px 12px;
  border-radius: 10px;
}
.nav-md .nav.side-menu > li.current-page,
.nav-md .nav.side-menu > li.menu-activo {
  background: transparent !important;
}

.nav-md .nav.side-menu > li > a {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  box-sizing: border-box;
  margin: 0;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .1px;
  color: var(--nav-text) !important;
  background: transparent;
  border: 0;
  box-shadow: none;
  transition: background-color .18s ease, color .18s ease;
}

.nav-md .nav.side-menu > li > a > i {
  width: 22px;
  min-width: 22px;
  text-align: center;
  font-size: 17px;
  color: var(--nav-icon);
  transition: color .18s ease;
}

/* ---- Chevron del desplegable ------------------------------------------- */
.nav-md .nav.side-menu > li > a > span.fa {
  float: none !important;
  margin: 0 0 0 auto !important;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  font-size: 11px;
  opacity: .55;
  transform-origin: 50% 50%;
  transition: transform .38s cubic-bezier(.4, 0, .2, 1), opacity .2s ease;
  backface-visibility: hidden;
}
.nav-md .nav.side-menu > li > a:hover > span.fa { opacity: .85; }
.nav-md .nav.side-menu > li.active > a > span.fa-chevron-down {
  transform: rotate(180deg);
  opacity: .95;
}

/* ---- Hover ------------------------------------------------------------- */
.nav-md .nav.side-menu > li > a:hover {
  background-color: var(--nav-hover-bg) !important;
  color: #FFFFFF !important;
}
.nav-md .nav.side-menu > li > a:hover > i {
  color: var(--nav-accent-bright);
}

/* ---- Submenú padre abierto --------------------------------------------- */
.nav-md .nav.side-menu > li.active > a {
  background: rgba(255,255,255,.05) !important;
  color: #FFFFFF !important;
  text-shadow: none !important;
  box-shadow: none !important;
}
.nav-md .nav.side-menu > li.active > a > i { color: #FFFFFF; }

/* ---- Página actual (píldora + riel de acento) -------------------------- */
.nav-md .nav.side-menu > li.menu-activo > a,
.nav-md .nav.side-menu > li.current-page > a {
  background: var(--nav-accent-soft) !important;
  color: #FFFFFF !important;
  font-weight: 600;
  text-shadow: none !important;
  box-shadow: none !important;
  border-right: 0 !important;
}
.nav-md .nav.side-menu > li.menu-activo > a > i,
.nav-md .nav.side-menu > li.current-page > a > i { color: var(--nav-accent-bright); }

.nav-md .nav.side-menu > li.menu-activo::before,
.nav-md .nav.side-menu > li.current-page::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--nav-accent);
}

/* ---- Submenú (child_menu) ---------------------------------------------- */
.nav-md ul.nav.child_menu { padding: 2px 0 4px; }

.nav-md ul.nav.child_menu li:before,
.nav-md ul.nav.child_menu li:after { display: none !important; }

.nav-md .nav.child_menu > li {
  margin: 2px 12px;
  padding: 0 !important;
  border-radius: 8px;
  background: transparent !important;
}
.nav-md .nav.child_menu > li > a {
  border-radius: 8px;
  padding: 8px 12px 8px 44px !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  color: var(--nav-text-soft) !important;
  transition: background-color .16s ease, color .16s ease, box-shadow .16s ease;
}
.nav-md .nav.child_menu > li > a:hover {
  background: var(--nav-hover-bg) !important;
  color: #FFFFFF !important;
}
.nav-md .nav.child_menu > li.menu-activo > a,
.nav-md .nav.child_menu > li.current-page > a {
  background: var(--nav-accent-soft) !important;
  color: #FFFFFF !important;
  box-shadow: inset 3px 0 0 var(--nav-accent) !important;
}

/* ---- Animación de entrada del submenú ---------------------------------- */
@keyframes ifixSubmenuIn {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}
.nav-md .nav.side-menu > li.active > ul.child_menu > li {
  animation: ifixSubmenuIn .32s cubic-bezier(.4, 0, .2, 1) both;
}
.nav-md .nav.side-menu > li.active > ul.child_menu > li:nth-child(2) { animation-delay: .06s; }
.nav-md .nav.side-menu > li.active > ul.child_menu > li:nth-child(3) { animation-delay: .12s; }
.nav-md .nav.side-menu > li.active > ul.child_menu > li:nth-child(4) { animation-delay: .18s; }

@media (prefers-reduced-motion: reduce) {
  .nav-md .nav.side-menu > li > a > span.fa { transition: none; }
  .nav-md .nav.side-menu > li.active > ul.child_menu > li { animation: none; }
}

/* =========================================================================
   MODO COLAPSADO (nav-sm)
   ========================================================================= */
.nav-sm .nav.side-menu > li {
  position: relative;
  margin: 5px 8px !important;
  border-radius: 12px;
}
.nav-sm .nav.side-menu > li.current-page,
.nav-sm .nav.side-menu > li.menu-activo {
  background: transparent !important;
}

.nav-sm .nav.side-menu > li > a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  padding: 11px 4px !important;
  font-size: 10.5px !important;
  font-weight: 500;
  color: var(--nav-text) !important;
  transition: background-color .18s ease, color .18s ease;
}
.nav-sm .nav.side-menu > li > a > i {
  width: auto !important;
  min-width: 0;
  margin: 0 0 5px !important;
  font-size: 22px !important;
  color: var(--nav-icon);
  transition: color .18s ease;
}
.nav-sm .nav.side-menu > li > a > span.fa-chevron-down { display: none !important; }

.nav-sm .nav.side-menu > li > a:hover {
  background-color: var(--nav-hover-bg) !important;
  color: #FFFFFF !important;
}
.nav-sm .nav.side-menu > li > a:hover > i {
  color: var(--nav-accent-bright);
}

.nav-sm .nav.side-menu > li.menu-activo > a,
.nav-sm .nav.side-menu > li.current-page > a,
.nav-sm > .nav.side-menu > li.active-sm > a {
  background: var(--nav-accent-soft) !important;
  color: #FFFFFF !important;
  box-shadow: none !important;
}
.nav-sm .nav.side-menu > li.menu-activo > a > i,
.nav-sm .nav.side-menu > li.current-page > a > i,
.nav-sm > .nav.side-menu > li.active-sm > a > i { color: var(--nav-accent-bright) !important; }

.nav-sm ul.nav.child_menu {
  background: #25394E;
  border-radius: 0 12px 12px 0;
  box-shadow: 0 14px 34px rgba(0,0,0,.40);
  padding: 6px 6px;
  overflow: hidden;
}
.nav-sm ul.nav.child_menu li { padding: 0 !important; }
.nav-sm ul.nav.child_menu li a {
  border-radius: 8px;
  padding: 9px 14px !important;
  text-align: left !important;
  color: var(--nav-text-soft) !important;
}
.nav-sm ul.nav.child_menu li a:hover {
  background: var(--nav-hover-bg) !important;
  color: #FFFFFF !important;
}
.nav-sm ul.nav.child_menu li.menu-activo a,
.nav-sm ul.nav.child_menu li.current-page a {
  background: var(--nav-accent-soft) !important;
  color: #FFFFFF !important;
}

/* =========================================================================
   MENÚ FIJO
   ========================================================================= */
.nav-md .container.body .col-md-3.left_col,
.nav-sm .container.body .col-md-3.left_col {
  position: fixed !important;
  top: 0;
  left: 0;
  height: 100vh !important;
}

.nav-md .container.body .col-md-3.left_col > .left_col.scroll-view {
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
}

.nav-sm .container.body .col-md-3.left_col > .left_col.scroll-view {
  height: 100vh;
  overflow: visible;
}