/* ============================================================
   LAYOUT — Sidebar, Bottom Nav, Header, App Shell
   ============================================================ */

/* ══ APP SHELL (Desktop - Admin) ══════════════════════════ */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  width: 260px;
  background: var(--sidebar-bg);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: var(--z-sidebar);
  display: flex;
  flex-direction: column;
  transition: width var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
}
.app-shell.sidebar-collapsed .sidebar {
  width: 86px;
}
.app-shell.sidebar-collapsed .sidebar-logo-text,
.app-shell.sidebar-collapsed .nav-section-label,
.app-shell.sidebar-collapsed .nav-item span,
.app-shell.sidebar-collapsed .sidebar-user-info,
.app-shell.sidebar-collapsed .nav-item-badge {
  display: none;
}
.app-shell.sidebar-collapsed .sidebar-logo { justify-content: center; width: 100%; transition: none; }
.app-shell.sidebar-collapsed .sidebar-header { padding: var(--space-5) 0; align-items: center; }
.app-shell.sidebar-collapsed .nav-item { justify-content: center; padding: var(--space-3) 0; }
.app-shell.sidebar-collapsed .sidebar-user { justify-content: center; padding: var(--space-3) 0; }
.app-shell.sidebar-collapsed .nav-item::before { width: 3px; left: -2px; }

.sidebar-header {
  padding: var(--space-6) var(--space-5);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.sidebar-logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, #3b82f6, #60a5fa);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(59,130,246,0.4);
}
.sidebar-logo-text strong {
  display: block;
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: 700;
  line-height: 1.2;
}
.sidebar-logo-text span {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.5);
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.nav-section-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-4) var(--space-3) var(--space-2);
}
.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-lg);
  color: var(--sidebar-text);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  position: relative;
}
.nav-item:hover {
  background: var(--sidebar-hover-bg);
  color: #fff;
}
.nav-item.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active);
  font-weight: 600;
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: -12px;
  width: 4px;
  top: 20%; bottom: 20%;
  background: var(--sidebar-active);
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}
.nav-item-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  background: rgba(255,255,255,0.05);
  transition: background var(--transition-fast);
}
.nav-item.active .nav-item-icon {
  background: rgba(255,255,255,0.15);
}
.nav-item-badge {
  margin-left: auto;
  background: var(--color-danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  padding: var(--space-4) var(--space-3);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.sidebar-user:hover { background: var(--sidebar-hover-bg); }
.sidebar-user-info strong {
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: 600;
  display: block;
  line-height: 1.3;
}
.sidebar-user-info span {
  color: rgba(255,255,255,0.5);
  font-size: var(--font-size-xs);
}
.sidebar-user .avatar {
  background: rgba(255,255,255,0.15);
  color: #fff;
  font-size: var(--font-size-sm);
}

/* ── Main Content (Desktop) ── */
.main-content {
  flex: 1;
  margin-left: 260px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition-normal);
}
.app-shell.sidebar-collapsed .main-content {
  margin-left: 86px;
}

/* ── Top Header ── */
.top-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  backdrop-filter: blur(12px);
  background: rgba(var(--color-surface-rgb, 255,255,255), 0.9);
  box-shadow: 0 1px 0 var(--color-border-subtle);
}
[data-theme="dark"] .top-header {
  background: rgba(17,24,39,0.9);
}

.top-header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.header-title { font-size: var(--font-size-xl); font-weight: 800; }
.header-subtitle { font-size: var(--font-size-xs); color: var(--color-text-muted); }

.top-header-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.page-content {
  flex: 1;
  padding: var(--space-6) var(--space-8);
  max-width: 1400px;
}

/* ══ MOBILE SHELL (Residente) ══════════════════════════════ */
.mobile-shell {
  width: 100%;
  margin: 0 auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
}

.mobile-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: var(--space-4) var(--space-4) var(--space-3);
  backdrop-filter: blur(12px);
}
[data-theme="dark"] .mobile-header { background: rgba(17,24,39,0.95); }

.mobile-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}
.mobile-greeting strong {
  display: block;
  font-size: var(--font-size-lg);
  font-weight: 800;
}
.mobile-greeting span {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}
.mobile-header-icons {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.mobile-content {
  flex: 1;
  padding: var(--space-4);
  padding-bottom: 90px;
  overflow-y: auto;
}

/* Bottom Navigation */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  justify-content: space-around;
  padding: var(--space-2) var(--space-2) calc(var(--space-2) + env(safe-area-inset-bottom));
  z-index: var(--z-sidebar);
  backdrop-filter: blur(12px);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
}
.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--color-text-subtle);
  min-width: 56px;
  position: relative;
}
.bottom-nav-item.active { color: var(--color-primary); }
.bottom-nav-item:hover  { background: var(--color-surface-2); }
.bottom-nav-item .nav-icon { font-size: 22px; transition: transform var(--transition-fast); }
.bottom-nav-item.active .nav-icon { transform: scale(1.15); }
.bottom-nav-item .nav-label { font-size: 10px; font-weight: 600; letter-spacing: 0.04em; }
.bottom-nav-item .nav-dot {
  position: absolute;
  top: 6px; right: 8px;
  width: 8px; height: 8px;
  background: var(--color-danger);
  border-radius: 50%;
  border: 2px solid var(--color-surface);
  animation: pulse-dot 2s infinite;
}

/* UTILITY CLASSES */
.hide-on-desktop { display: none !important; }
.desktop-only { display: block !important; }

@media (max-width: 768px) {
  .hide-on-desktop { display: flex !important; } /* assuming flex for bottom-nav */
  .desktop-only { display: none !important; }
}

/* ══ THEME TOGGLE ════════════════════════════════════════ */
.theme-toggle {
  position: relative;
  width: 44px; height: 24px;
}
.theme-toggle input { display: none; }
.theme-toggle-track {
  width: 44px; height: 24px;
  background: var(--color-surface-3);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-fast);
  display: flex; align-items: center;
  padding: 2px;
}
.theme-toggle input:checked + .theme-toggle-track { background: var(--color-primary); }
.theme-toggle-thumb {
  width: 20px; height: 20px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--transition-fast);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  box-shadow: var(--shadow-sm);
}
.theme-toggle input:checked + .theme-toggle-track .theme-toggle-thumb {
  transform: translateX(20px);
}

/* ══ HEADER ACTIONS ══════════════════════════════════════ */
.notif-btn {
  position: relative;
  width: 40px; height: 40px;
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--color-text-muted);
}
.notif-btn:hover { background: var(--color-primary-light); color: var(--color-primary); border-color: var(--color-primary); }
.notif-btn .badge {
  position: absolute;
  top: -4px; right: -4px;
  background: var(--color-danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  width: 18px; height: 18px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--color-surface);
}

/* ══ GRIDS ═══════════════════════════════════════════════ */
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* ══ HAMBURGER + SIDEBAR OVERLAY ══════════════════════════ */
.hamburger-btn {
  display: flex;
  width: 40px; height: 40px;
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  align-items: center; justify-content: center;
  cursor: pointer;
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}
.hamburger-btn:hover { background: var(--color-surface-3); color: var(--color-text); }

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: calc(var(--z-sidebar) - 1);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.sidebar-overlay.active { display: block; }

/* ══ LARGE DESKTOP ═══════════════════════════════════════ */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .page-content { padding: var(--space-5); }
}

/* ══ TABLET / SMALL LAPTOP ════════════════════════════════ */
@media (max-width: 768px) {
  /* Sidebar becomes a drawer */
  .sidebar {
    transform: translateX(-100%);
    box-shadow: none;
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
  }
  .main-content { margin-left: 0; }

  /* Show hamburger, hide desktop header subtitle */
  .header-subtitle { display: none; }
  .header-title { font-size: var(--font-size-lg); }

  /* Grids collapse */
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }

  /* Page content padding */
  .page-content { padding: var(--space-4); }

  /* Table containers scroll */
  .table-container { overflow-x: auto; -webkit-overflow-scrolling: touch; }

  /* Top header compact */
  .top-header { padding: var(--space-3) var(--space-4); }
  .top-header-right { gap: var(--space-1); }
}

/* ══ PHONE ════════════════════════════════════════════════ */
@media (max-width: 480px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .page-content { padding: var(--space-3); }

  /* Stat cards in a 2-col grid even on phones */
  .grid-4.stats-row { grid-template-columns: repeat(2, 1fr); }

  /* Modal full-width on phone */
  .modal { max-width: 100%; border-radius: var(--radius-xl) var(--radius-xl) 0 0; }
  .modal-overlay { align-items: flex-end; padding: 0; }

  /* Login cards compact */
  .login-form-panel { padding: 1.5rem 1.125rem; }
}




/* ══ LOGIN PAGE ════════════════════════════════════════════ */
@media (max-width: 768px) {
  .login-page { grid-template-columns: 1fr; }
  .login-hero  { display: none; }
  .login-form-panel { padding: 2rem 1.5rem; }
}
@media (max-width: 380px) {
  .role-selector { gap: 0.4rem; }
  .role-card { padding: 0.625rem 0.25rem; }
}