/* ============================================================
   layout.css — Page layout, sidebar, tab bar, FAB
   FinDom Financial Management App
   ============================================================ */

/* ── App Shell ──────────────────────────────────────────────── */
.app-shell {
  display: flex;
  min-height: 100vh;
  background-color: var(--color-bg);
}

/* ── Sidebar (desktop) ──────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 240px;
  height: 100vh;
  background-color: var(--color-card);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  z-index: var(--z-sticky);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-logo-row {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  padding-right: var(--space-3);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-5);
  border-bottom: none;
  text-decoration: none;
  flex: 1;
}

.sidebar-logo-mark {
  width: 36px;
  height: 36px;
  background-color: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: #ffffff;
  flex-shrink: 0;
}

.sidebar-logo-text {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: 1.2;
}

.sidebar-logo-sub {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-normal);
  line-height: 1.3;
  margin-top: 1px;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav-section-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-2) var(--space-2);
  margin-top: var(--space-3);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  min-height: 44px;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.nav-link:hover {
  background-color: var(--color-surface-1);
  color: var(--color-text-primary);
  text-decoration: none;
}

.nav-link.active {
  background-color: rgba(59, 130, 246, 0.15);
  color: var(--color-accent);
}

.nav-link.active:hover {
  background-color: rgba(59, 130, 246, 0.2);
}

.nav-link-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.nav-link-badge {
  margin-left: auto;
  background-color: var(--color-danger);
  color: #ffffff;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  padding: 1px 6px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  padding: var(--space-3) var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar-logout {
  color: var(--color-danger) !important;
  opacity: 0.85;
}
.sidebar-logout:hover {
  background-color: rgba(239, 68, 68, 0.1) !important;
  color: var(--color-danger) !important;
  opacity: 1;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-2);
  border-radius: var(--radius-md);
}

.sidebar-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: #ffffff;
  flex-shrink: 0;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-email {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Page Container ─────────────────────────────────────────── */
.page-container {
  flex: 1;
  margin-left: 240px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-header {
  position: sticky;
  top: 0;
  z-index: var(--z-raised);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 64px;
}

.page-header-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.page-header-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.page-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.page-content {
  padding: var(--space-6);
  margin-left: 240px; /* offset for fixed sidebar */
}

/* ── Mobile App Header ──────────────────────────────────────── */
.app-header {
  display: none; /* shown in mobile.css */
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
}

.header-title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.header-back {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-accent);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--space-1);
  min-height: 44px;
}

/* ── Tab Bar (mobile bottom nav) ────────────────────────────── */
.tab-bar {
  display: none; /* shown in mobile.css */
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-card);
  border-top: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-2) calc(var(--space-2) + env(safe-area-inset-bottom, 0px));
  flex-direction: row;
  align-items: flex-end;
  justify-content: space-around;
}

.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-width: 44px;
  min-height: 44px;
  padding: var(--space-1) var(--space-2);
  color: var(--color-text-secondary);
  text-decoration: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast);
  background: none;
  border: none;
  flex: 1;
}

.tab-item:hover {
  color: var(--color-text-primary);
  text-decoration: none;
}

.tab-item.active {
  color: var(--color-accent);
}

.tab-item-icon {
  font-size: 1.25rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
}

/* Active indicator dot */
.tab-item.active .tab-item-icon::after {
  content: '';
  display: block;
  width: 4px;
  height: 4px;
  background-color: var(--color-accent);
  border-radius: var(--radius-full);
  margin: 2px auto 0;
}

.tab-item-label {
  font-size: 10px;
  font-weight: var(--font-weight-medium);
  line-height: 1;
  white-space: nowrap;
}

/* Tab bar FAB placeholder (empty space for centered FAB) */
.tab-item-fab-placeholder {
  flex: 1;
  min-width: 64px;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── FAB (Floating Action Button) ───────────────────────────── */
.fab {
  position: fixed;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background-color: var(--color-accent);
  color: #ffffff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: var(--font-weight-normal);
  line-height: 1;
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.5);
  transition:
    background-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  z-index: calc(var(--z-sticky) + 1);
  /* Desktop position */
  bottom: var(--space-8);
  right: var(--space-8);
}

.fab:hover {
  background-color: var(--color-accent-hover);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
  transform: translateY(-2px) scale(1.05);
}

.fab:active {
  background-color: #1d4ed8;
  transform: translateY(0) scale(0.97);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}

.fab:focus-visible {
  outline: 2px solid #ffffff;
  outline-offset: 2px;
}

/* ── Content Sections ───────────────────────────────────────── */
.section {
  margin-bottom: var(--space-8);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  gap: var(--space-3);
}

.section-title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.section-action {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  text-decoration: none;
}

.section-action:hover {
  color: var(--color-accent-hover);
  background-color: rgba(59, 130, 246, 0.08);
  text-decoration: none;
}

/* ── Grid Layouts ───────────────────────────────────────────── */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

/* ── Filter / Toolbar Row ───────────────────────────────────── */
.toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
  min-width: 0;
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* ── Breadcrumb ─────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.breadcrumb-item {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-item:hover {
  color: var(--color-text-primary);
  text-decoration: none;
}

.breadcrumb-separator {
  color: var(--color-border);
  user-select: none;
}

.breadcrumb-item.current {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}

/* ── Loading overlay ────────────────────────────────────────── */
.loading-overlay {
  position: absolute;
  inset: 0;
  background-color: var(--color-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-overlay);
  border-radius: inherit;
}

/* ── Pull to refresh indicator (mobile) ─────────────────────── */
.ptr-indicator {
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  transition: opacity var(--transition-fast);
}