/* ===================================================================
   LAYOUT COMPARTIDO — Sidebar profesional con jerarquía visual
   =================================================================== */

.app-layout {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  margin-left: 0;
  transition: margin-left var(--nt-transition-slow);
}

/* ==================== SIDEBAR ==================== */
.app-sidebar {
  width: 260px;
  min-width: 260px;
  background: var(--nt-surface);
  border-right: 1px solid var(--nt-border);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
  z-index: var(--nt-z-sidebar);
  transition: width var(--nt-transition-slow) cubic-bezier(0.16, 1, 0.3, 1),
              min-width var(--nt-transition-slow) cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.app-sidebar.collapsed {
  width: 64px;
  min-width: 64px;
}

/* ---- Brand ---- */
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--nt-space-4);
  border-bottom: 1px solid var(--nt-border);
  flex-shrink: 0;
  min-height: 60px;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--nt-space-3);
  overflow: hidden;
  white-space: nowrap;
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--nt-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.brand-text {
  font-size: var(--nt-text-base);
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: opacity 0.2s ease;
}

.brand-sub {
  font-size: var(--nt-text-xs);
  color: var(--nt-text-muted);
  transition: opacity 0.2s ease;
  margin-top: 1px;
}

.collapsed .brand-text,
.collapsed .brand-sub {
  opacity: 0;
}

/* ---- Toggle button ---- */
.sidebar-toggle {
  background: transparent;
  border: none;
  color: var(--nt-text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--nt-radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--nt-transition-fast);
  flex-shrink: 0;
}

.sidebar-toggle:hover {
  background: var(--nt-surface-2);
  color: var(--nt-text);
}

.collapsed .sidebar-toggle {
  transform: rotate(180deg);
}

/* ---- Navegación ---- */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--nt-space-2);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-nav::-webkit-scrollbar { width: 3px; }
.sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--nt-border); border-radius: 2px; }

.nav-section {
  color: var(--nt-text-dim);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: var(--nt-space-3) var(--nt-space-3) var(--nt-space-1);
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity 0.2s ease;
}

.collapsed .nav-section {
  opacity: 0;
  height: 0;
  padding: 0;
  margin: 0;
  overflow: hidden;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--nt-space-3);
  padding: var(--nt-space-2) var(--nt-space-3);
  border-radius: var(--nt-radius-lg);
  color: var(--nt-text-secondary);
  text-decoration: none;
  font-size: var(--nt-text-sm);
  font-weight: 450;
  transition: all var(--nt-transition-fast);
  white-space: nowrap;
  overflow: hidden;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: var(--nt-font);
  position: relative;
}

.nav-item i {
  width: 22px;
  text-align: center;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.nav-item span {
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity 0.2s ease;
}

.collapsed .nav-item span {
  opacity: 0;
  width: 0;
}

.nav-item:hover {
  background: var(--nt-surface-2);
  color: var(--nt-text);
}

.nav-item.active {
  background: var(--nt-primary-light);
  color: var(--nt-primary);
}

.nav-item.active i {
  color: var(--nt-primary);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--nt-primary);
  border-radius: 0 3px 3px 0;
}

/* ---- Spacer ---- */
.sidebar-spacer {
  flex: 1;
}

/* ==================== USER SECTION (sidebar bottom) ==================== */
.sidebar-user-section {
  border-top: 1px solid var(--nt-border);
  padding: var(--nt-space-3) var(--nt-space-2);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: var(--nt-space-1);
}

.sidebar-user-info {
  display: flex;
  align-items: center;
  gap: var(--nt-space-3);
  padding: var(--nt-space-2) var(--nt-space-2);
  overflow: hidden;
  border-radius: var(--nt-radius-lg);
  transition: background var(--nt-transition-fast);
}

.sidebar-user-info:hover {
  background: var(--nt-surface-2);
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: var(--nt-radius-full);
  background: var(--nt-primary-light);
  border: 2px solid transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--nt-primary);
  flex-shrink: 0;
}

.user-details {
  overflow: hidden;
  transition: opacity 0.2s ease;
  flex: 1;
  min-width: 0;
}

.collapsed .user-details {
  opacity: 0;
  width: 0;
}

.user-name {
  font-size: var(--nt-text-sm);
  font-weight: 600;
  color: var(--nt-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.user-empresa {
  font-size: var(--nt-text-xs);
  color: var(--nt-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.user-status {
  display: flex;
  align-items: center;
  gap: var(--nt-space-1);
  font-size: var(--nt-text-xs);
  color: var(--nt-text-muted);
  margin-top: 2px;
}

.user-status .dot {
  width: 7px;
  height: 7px;
  border-radius: var(--nt-radius-full);
  flex-shrink: 0;
}

.user-status .dot.live {
  background: var(--nt-accent);
  box-shadow: 0 0 6px var(--nt-accent);
  animation: pulse 2s infinite;
}

.user-status .dot.history {
  background: var(--nt-primary);
}

@keyframes pulse {
  0%   { transform: scale(1); opacity: 1; }
  50%  { transform: scale(1.4); opacity: 0.5; }
  100% { transform: scale(1); opacity: 1; }
}

/* ---- Logout button ---- */
.sidebar-logout-btn {
  display: flex;
  align-items: center;
  gap: var(--nt-space-3);
  padding: var(--nt-space-2) var(--nt-space-3);
  border-radius: var(--nt-radius-lg);
  color: var(--nt-danger);
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: var(--nt-text-sm);
  font-family: var(--nt-font);
  font-weight: 450;
  transition: all var(--nt-transition-fast);
  white-space: nowrap;
  overflow: hidden;
  width: 100%;
  text-align: left;
}

.sidebar-logout-btn i {
  width: 22px;
  text-align: center;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.sidebar-logout-btn span {
  transition: opacity 0.2s ease;
}

.collapsed .sidebar-logout-btn span {
  opacity: 0;
  width: 0;
}

.sidebar-logout-btn:hover {
  background: var(--nt-danger-light);
  color: var(--nt-danger);
}

/* ---- Live / Terminar Live buttons ---- */
.sidebar-live-btn,
.sidebar-terminar-live-btn {
  display: flex;
  align-items: center;
  gap: var(--nt-space-3);
  padding: var(--nt-space-2) var(--nt-space-3);
  border-radius: var(--nt-radius-lg);
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: var(--nt-text-sm);
  font-family: var(--nt-font);
  font-weight: 450;
  transition: all var(--nt-transition-fast);
  white-space: nowrap;
  overflow: hidden;
  width: 100%;
  text-align: left;
}

.sidebar-live-btn i,
.sidebar-terminar-live-btn i {
  width: 22px;
  text-align: center;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.sidebar-live-btn span,
.sidebar-terminar-live-btn span {
  transition: opacity 0.2s ease;
}

.collapsed .sidebar-live-btn span,
.collapsed .sidebar-terminar-live-btn span {
  opacity: 0;
  width: 0;
}

.sidebar-live-btn {
  color: var(--nt-accent);
}

.sidebar-live-btn:hover {
  background: var(--nt-accent-light);
}

.sidebar-terminar-live-btn {
  color: var(--nt-warning);
}

.sidebar-terminar-live-btn:hover {
  background: var(--nt-warning-light);
}

/* ==================== DRAWER OVERLAY (mobile) ==================== */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.55);
  z-index: calc(var(--nt-z-sidebar) - 1);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity var(--nt-transition-slow);
}

.sidebar-overlay.active {
  display: block;
  opacity: 1;
}

/* ==================== MOBILE MENU TRIGGER ==================== */
.mobile-menu-trigger {
  display: none;
  position: fixed;
  top: var(--nt-space-4);
  left: var(--nt-space-4);
  z-index: calc(var(--nt-z-sidebar) - 2);
  width: 40px;
  height: 40px;
  border-radius: var(--nt-radius-lg);
  background: var(--nt-surface);
  border: 1px solid var(--nt-border);
  color: var(--nt-text);
  font-size: 1.1rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  box-shadow: var(--nt-shadow-md);
  transition: all var(--nt-transition-fast);
}

.mobile-menu-trigger:hover {
  background: var(--nt-surface-2);
}

@media (max-width: 768px) {
  .mobile-menu-trigger {
    display: flex;
  }
}
  opacity: 1;
}

/* ==================== CONTENT AREA ==================== */
.app-content {
  flex: 1;
  padding: var(--nt-space-6);
  overflow-y: auto;
}

.app-content .placeholder-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
}

.app-content .placeholder-center i {
  font-size: 3.5rem;
  margin-bottom: var(--nt-space-4);
  opacity: 0.2;
  color: var(--nt-primary);
}

.app-content .placeholder-center h2 {
  font-size: var(--nt-text-3xl);
  font-weight: 700;
  margin-bottom: var(--nt-space-2);
}

.app-content .placeholder-center p {
  color: var(--nt-text-muted);
  font-size: var(--nt-text-base);
}

/* ==================== DISABLED NAV ITEM ==================== */
.nav-item.disabled {
  opacity: 0.35;
  color: var(--nt-text-dim);
  cursor: not-allowed;
  pointer-events: none;
}

.nav-item.disabled i {
  color: var(--nt-text-dim) !important;
}

.nav-item.disabled:hover {
  background: transparent;
  color: var(--nt-text-dim);
}

/* ==================== SERVICE STATUS IN SIDEBAR ==================== */
.nav-item .service-status {
  font-size: var(--nt-text-xs);
  margin-left: auto;
  padding: 2px var(--nt-space-2);
  border-radius: var(--nt-radius-sm);
  white-space: nowrap;
  flex-shrink: 0;
  transition: opacity 0.2s ease;
}

.nav-item .service-status.status-ok {
  color: var(--nt-accent);
}

.nav-item .service-status.status-no-contratado {
  color: var(--nt-text-muted);
}

.nav-item .service-status.status-no-activado {
  color: var(--nt-warning);
}

.collapsed .nav-item .service-status {
  opacity: 0;
  width: 0;
  padding: 0;
  overflow: hidden;
}

/* ==================== HIDE MOBILE UTILITY ==================== */
.hide-mobile { display: none; }
@media (min-width: 768px) { .hide-mobile { display: inline; } }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .app-sidebar:not(.collapsed) {
    width: 240px;
    min-width: 240px;
  }
}

@media (max-width: 768px) {
  .app-sidebar {
    position: fixed;
    left: -280px;
    top: 0;
    height: 100vh;
    z-index: var(--nt-z-sidebar);
    transition: left var(--nt-transition-slow) cubic-bezier(0.16, 1, 0.3, 1);
    width: 280px;
    min-width: 280px;
    box-shadow: var(--nt-shadow-xl);
  }

  .app-sidebar.mobile-open {
    left: 0;
  }

  .app-sidebar.collapsed {
    width: 280px;
    min-width: 280px;
  }

  .app-sidebar.collapsed .brand-text,
  .app-sidebar.collapsed .brand-sub,
  .app-sidebar.collapsed .nav-item span,
  .app-sidebar.collapsed .nav-section,
  .app-sidebar.collapsed .user-details,
  .app-sidebar.collapsed .sidebar-logout-btn span,
  .app-sidebar.collapsed .sidebar-live-btn span,
  .app-sidebar.collapsed .sidebar-terminar-live-btn span {
    opacity: 1;
    width: auto;
    height: auto;
  }

  .app-sidebar.collapsed .nav-section {
    opacity: 1;
    height: auto;
    padding: var(--nt-space-3) var(--nt-space-3) var(--nt-space-1);
  }

  .app-sidebar.collapsed .sidebar-toggle {
    transform: none;
  }

  .app-main {
    margin-left: 0 !important;
  }

  .app-content {
    padding: var(--nt-space-4);
  }
}