/* ============================================================
   PANEL PROFESIONAL — Slider arriba/abajo + Bottom-nav inferior-derecha
   Aplica a:
   - pages/admin.html  (Panel Profesional)
   - pages/recetas.html (Generador de recetas)
   ============================================================ */

:root{
  --pp-blue:#0a2a5e;
  --pp-blue-2:#1e4ea3;
  --pp-gold:#ffd84a;
  --pp-shadow: 0 24px 60px rgba(10,42,94,.28);
}

/* ============================================================
   1) SIDEBAR EN MODO "DRAWER VERTICAL" (móvil y tablet)
   El sidebar se transforma en un menú que desliza desde arriba
   hacia abajo cuando el usuario presiona el botón hamburguesa.
   ============================================================ */
@media(max-width: 980px){
  /* Reset del sidebar original (que era drawer lateral) */
  .dash-layout > .sidebar{
    position: fixed !important;
    left: 0 !important;
    right: 0 !important;
    top: 0 !important;
    bottom: auto !important;
    width: 100% !important;
    height: auto !important;
    max-height: 0;
    overflow: hidden;
    z-index: 200;
    background: linear-gradient(180deg, #ffffff 0%, #f5f8fd 100%);
    border-right: none;
    border-bottom: 3px solid var(--pp-blue);
    box-shadow: var(--pp-shadow);
    padding: 0 !important;
    transition: max-height .42s cubic-bezier(.4, 0, .2, 1);
  }

  /* Cuando está "open" se desliza hacia abajo (despliega) */
  .dash-layout > .sidebar.open{
    max-height: 85vh;
    overflow-y: auto;
    padding: 18px 18px 90px !important;
  }

  /* Brand: header del drawer con botón cerrar */
  .dash-layout > .sidebar .brand{
    display: flex; align-items: center; gap: 12px;
    padding: 14px 6px;
    border-bottom: 1px solid rgba(10,42,94,.08);
    margin-bottom: 14px;
    position: relative;
  }
  .dash-layout > .sidebar .brand::after{
    content: "\f077"; /* fa-chevron-up */
    font-family: "Font Awesome 6 Free"; font-weight: 900;
    position: absolute; right: 8px; top: 50%;
    transform: translateY(-50%);
    width: 36px; height: 36px; border-radius: 50%;
    background: rgba(10,42,94,.08); color: var(--pp-blue);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px;
    pointer-events: none;
  }

  /* Nav en grid 2 columnas para móvil */
  .dash-layout > .sidebar nav{
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 8px !important;
  }
  .dash-layout > .sidebar nav a{
    padding: 14px 12px !important;
    border-radius: 14px;
    background: #fff;
    border: 1px solid rgba(10,42,94,.08);
    box-shadow: 0 2px 8px rgba(10,42,94,.04);
    font-size: 13px !important;
    line-height: 1.2;
    min-height: 56px;
  }
  .dash-layout > .sidebar nav a i{
    color: var(--pp-blue);
    font-size: 16px;
  }
  .dash-layout > .sidebar nav a.active{
    background: var(--pp-blue) !important;
    border-color: var(--pp-blue);
    color: #fff !important;
    transform: scale(1.02);
  }
  .dash-layout > .sidebar nav a.active i{ color: #fff; }
  .dash-layout > .sidebar nav a.logout{
    grid-column: 1 / -1;
    background: #fff5f7;
    border-color: #ffcad4;
    color: #c1121f !important;
    justify-content: center;
  }

  /* Backdrop oscuro cuando está abierto */
  .pp-backdrop{
    position: fixed; inset: 0;
    background: rgba(10,42,94,.45);
    backdrop-filter: blur(4px);
    z-index: 199;
    opacity: 0;
    pointer-events: none;
    transition: opacity .28s;
  }
  .pp-backdrop.show{
    opacity: 1;
    pointer-events: auto;
  }

  /* Hamburger se vuelve botón "Panel Profesional" más visible */
  .dash-head .hamburger{
    display: inline-flex !important;
    align-items: center; gap: 8px;
    padding: 10px 16px;
    background: linear-gradient(135deg, var(--pp-blue) 0%, var(--pp-blue-2) 100%);
    color: #fff !important;
    border-radius: 99px;
    font-size: 14px !important;
    font-weight: 700;
    box-shadow: 0 6px 18px rgba(10,42,94,.32);
    font-family: 'Montserrat', sans-serif;
  }
  .dash-head .hamburger::after{
    content: "Panel";
    display: inline-block;
    margin-left: 4px;
  }
  .dash-head .hamburger.active{
    background: linear-gradient(135deg, #c1121f 0%, #780000 100%);
  }
  .dash-head .hamburger.active::after{
    content: "Cerrar";
  }

  /* En el dash-main no necesitamos margen izquierdo */
  .dash-layout{
    grid-template-columns: 1fr !important;
  }
  .dash-main{
    padding-bottom: 100px !important;
    padding-top: 12px !important;
  }
}

/* ============================================================
   2) DESKTOP — hacer que el sidebar también pueda colapsarse
   y mostrar un botón hamburger para ocultarlo
   ============================================================ */
@media(min-width: 981px){
  /* Permitir que el sidebar se colapse en desktop también */
  .dash-layout.sidebar-collapsed{
    grid-template-columns: 0 1fr;
  }
  .dash-layout.sidebar-collapsed > .sidebar{
    transform: translateX(-100%);
    transition: transform .35s cubic-bezier(.4, 0, .2, 1);
  }
  .dash-layout > .sidebar{
    transition: transform .35s cubic-bezier(.4, 0, .2, 1);
  }
  /* Botón hamburguesa visible siempre en desktop para colapsar */
  .dash-head .hamburger{
    display: inline-flex !important;
    align-items: center; gap: 8px;
    padding: 8px 14px;
    background: rgba(10,42,94,.08);
    border: 1px solid rgba(10,42,94,.12);
    color: var(--pp-blue);
    border-radius: 10px;
    font-size: 14px;
    cursor: pointer;
  }
  .dash-head .hamburger:hover{ background: rgba(10,42,94,.14); }
}

/* ============================================================
   3) BOTTOM-NAV PROFESIONAL — abajo a la derecha (FAB-grid)
   En lugar de ocupar todo el ancho, se posiciona como un menú
   flotante en la esquina inferior derecha (más profesional).
   ============================================================ */
.pp-bottom-nav{
  position: fixed;
  bottom: 18px;
  right: 18px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px;
  background: rgba(255,255,255,.98);
  backdrop-filter: blur(10px);
  border-radius: 22px;
  box-shadow: 0 12px 40px rgba(10,42,94,.25);
  border: 1px solid rgba(10,42,94,.08);
  /* Por defecto cerrado: solo se ve el FAB principal */
  max-height: 64px;
  overflow: hidden;
  transition: max-height .35s cubic-bezier(.4, 0, .2, 1);
}
.pp-bottom-nav.expanded{
  max-height: 600px;
}

/* Botón FAB principal (activador) */
.pp-fab{
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pp-blue) 0%, var(--pp-blue-2) 100%);
  color: #fff;
  border: none;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(10,42,94,.4);
  transition: transform .25s, box-shadow .25s;
  order: 1; /* siempre arriba en la lista */
}
.pp-fab:hover{
  transform: scale(1.05);
  box-shadow: 0 12px 32px rgba(10,42,94,.5);
}
.pp-bottom-nav.expanded .pp-fab{
  background: linear-gradient(135deg, #c1121f 0%, #780000 100%);
  transform: rotate(135deg);
}

/* Items del menú (visibles solo cuando expanded) */
.pp-nav-items{
  display: flex;
  flex-direction: column;
  gap: 6px;
  order: 0; /* arriba del FAB */
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s;
}
.pp-bottom-nav.expanded .pp-nav-items{
  opacity: 1;
  pointer-events: auto;
}
.pp-nav-items a{
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  border-radius: 14px;
  color: var(--pp-blue);
  background: #f5f8fd;
  font-weight: 700; font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: background .2s, transform .15s;
  font-family: 'Inter', sans-serif;
}
.pp-nav-items a:hover{
  background: #e6efff;
  transform: translateX(-2px);
}
.pp-nav-items a.active{
  background: var(--pp-blue);
  color: #fff;
}
.pp-nav-items a.active i{ color: #fff; }
.pp-nav-items a i{
  width: 18px; text-align: center; color: var(--pp-blue);
}
.pp-nav-items a.logout{
  background: #fff5f7;
  color: #c1121f;
  border-top: 1px solid #ffcad4;
  margin-top: 4px;
  padding-top: 12px;
}
.pp-nav-items a.logout i{ color: #c1121f; }

/* Label "Panel Profesional" arriba */
.pp-nav-title{
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  color: var(--pp-blue);
  text-transform: uppercase;
  letter-spacing: .12em;
  padding: 6px 16px 8px;
  border-bottom: 1px solid rgba(10,42,94,.08);
  margin-bottom: 4px;
  text-align: center;
}

/* Ocultar la bottom-nav original cuando usamos la nueva */
body.has-bottom-nav-pro .bottom-nav{
  display: none !important;
}
@media(max-width: 780px){
  body.has-bottom-nav-pro{
    padding-bottom: 90px !important;
  }
}

/* En desktop, el FAB es más discreto */
@media(min-width: 981px){
  .pp-bottom-nav{
    bottom: 24px; right: 24px;
  }
}

/* ============================================================
   4) MICRO-ANIMACIÓN: tab-panel entra con fade desde abajo
   para que sea evidente que "apareció enfrente"
   ============================================================ */
.tab-panel{ display: none; }
.tab-panel.active{
  display: block;
  animation: ppFadeIn .28s ease;
}
@keyframes ppFadeIn{
  from{ opacity: 0; transform: translateY(8px); }
  to{ opacity: 1; transform: none; }
}