/* assets/css/base.css */

*, *::before, *::after { box-sizing: border-box; }

html, body { 
  margin: 0; 
  padding: 0; 
  min-height: 100vh;
  min-height: -webkit-fill-available;
  width: 100%; 
  overflow-x: hidden; 
}

body {
  font-family: var(--font-ui);
  font-size: var(--text-base);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

/* --- Layout Principal Unificado --- */
.app-layout {
  display: flex;
  min-height: 100vh;
  width: 100%;
  position: relative;
}

/* Sidebar Fijo y Estilizado */
.sidebar {
  width: var(--sidebar-width);
  background: #1c2128;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  transition: width 200ms ease, transform 250ms ease;
  flex-shrink: 0;
  z-index: 90;
  min-height: 100vh;
}

.sidebar.colapsado {
  width: 64px;
}

/* Cabecera del Sidebar Nivelada Perfectamente con la Topbar (56px) */
.sidebar-marca {
  padding: 0 var(--space-4);
  height: 56px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  box-sizing: border-box;
}

/* Layout Horizontal para Isotipo + Texto Nombre de Empresa */
.marca-layout {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  overflow: hidden;
}

.img-isotipo-sidebar {
  height: 32px;
  width: 32px;
  object-fit: contain;
  flex-shrink: 0;
}

.nombre-empresa-sidebar {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.2px;
}

/* Estado Colapsado del Sidebar */
.sidebar.colapsado .sidebar-marca {
  justify-content: center;
  padding: 0;
}

.sidebar.colapsado .marca-layout {
  justify-content: center;
}

.sidebar.colapsado .nombre-empresa-sidebar {
  display: none !important;
}

.sidebar.colapsado .texto-link {
  display: none;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  padding: var(--space-3) 0;
  overflow-y: auto;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: #a3a8b2;
  text-decoration: none;
  font-weight: 500;
  min-height: 48px;
  transition: background 120ms ease, color 120ms ease;
}

.sidebar-nav a:hover, 
.sidebar-nav a:focus-visible, 
.sidebar-nav a.activo {
  background: rgba(255, 255, 255, 0.08);
  color: var(--signal-amber);
  outline: none;
}

.sidebar.colapsado .sidebar-nav a {
  justify-content: center;
  padding: var(--space-3) 0;
}

/* Contenido Principal y Header Ancho Completo */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  width: 100%;
  background: var(--paper);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-5);
  background: var(--paper-raised);
  border-bottom: 1px solid var(--line);
  height: 56px;
  width: 100%;
  box-sizing: border-box;
  position: sticky;
  top: 0;
  z-index: 80;
}

.topbar-usuario-contenedor {
  display: flex;
  align-items: center;
  position: relative;
}

.topbar-usuario-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
}

.avatar-usuario {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--signal-amber);
  color: var(--signal-amber-contrast);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-xs);
  flex-shrink: 0;
}

.contenedor-pagina {
  padding: var(--space-5);
  flex: 1;
  width: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;
}

/* Capa oscura de fondo para cerrar menú móvil */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 85;
}

/* Adaptación para Tabletas y Teléfonos Móviles (< 768px) */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 260px !important;
    transform: translateX(-100%);
    box-shadow: 4px 0 12px rgba(0,0,0,0.3);
  }

  .sidebar.movil-abierto {
    transform: translateX(0);
  }

  .sidebar.movil-abierto + .sidebar-overlay {
    display: block;
  }

  .contenedor-pagina {
    padding: var(--space-3);
  }

  .topbar {
    padding: 0 var(--space-3);
  }
}