/* STARNUS BILLING - Layout (Sidebar, Header, Main, Footer) */

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

/* Demo Simulation Mode Banner */
.demo-bar {
  background: linear-gradient(90deg, #1E293B 0%, #0F172A 100%);
  color: #94A3B8;
  font-size: 0.75rem;
  padding: 6px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: calc(var(--z-header) + 10);
}

.demo-bar-badge {
  background: rgba(37, 99, 235, 0.2);
  color: #60A5FA;
  border: 1px solid rgba(96, 165, 250, 0.3);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.role-switcher-select {
  background: rgba(255, 255, 255, 0.08);
  color: #F8FAFC;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  outline: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.role-switcher-select:focus {
  border-color: var(--color-primary);
}

/* Sidebar Styles */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--sidebar-dark);
  color: var(--sidebar-dark-text);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: var(--z-sidebar);
  transition: width var(--transition-normal), transform var(--transition-normal);
  border-right: 1px solid var(--sidebar-dark-border);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-header {
  height: var(--header-height);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #FFFFFF;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-weight: 800;
  font-size: 1.15rem;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.4);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: #FFFFFF;
  white-space: nowrap;
}

.brand-subtitle {
  font-size: 0.68rem;
  color: var(--sidebar-dark-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
}

.sidebar-nav {
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  flex: 1;
}

.nav-group-title {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: #64748B;
  padding: 0 0.75rem;
  margin-bottom: 0.35rem;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-item a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-md);
  color: var(--sidebar-dark-muted);
  font-weight: 500;
  font-size: 0.88rem;
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
  white-space: nowrap;
}

.nav-item a i, .nav-item a svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  stroke-width: 2px;
}

.nav-item a:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: #FFFFFF;
}

.nav-item.active a {
  background: var(--color-primary);
  color: #FFFFFF;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.nav-badge {
  margin-left: auto;
  font-size: 0.7rem;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.nav-badge-danger {
  background: rgba(220, 38, 38, 0.2);
  color: #F87171;
  border: 1px solid rgba(220, 38, 38, 0.4);
}

.nav-badge-warning {
  background: rgba(217, 119, 6, 0.2);
  color: #FBBF24;
  border: 1px solid rgba(217, 119, 6, 0.4);
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background-color: rgba(0, 0, 0, 0.15);
}

.system-status-mini {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: #94A3B8;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-success);
  display: inline-block;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.8);
}

/* Collapsed Sidebar State */
body.sidebar-collapsed .sidebar {
  width: var(--sidebar-collapsed-width);
}

body.sidebar-collapsed .brand-text,
body.sidebar-collapsed .nav-group-title,
body.sidebar-collapsed .nav-label,
body.sidebar-collapsed .nav-badge,
body.sidebar-collapsed .sidebar-footer {
  display: none;
}

body.sidebar-collapsed .nav-item a {
  justify-content: center;
  padding: 0.75rem;
}

/* Main Content Area */
.main-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition-normal);
  background-color: var(--bg-app);
}

body.sidebar-collapsed .main-wrapper {
  margin-left: var(--sidebar-collapsed-width);
}

/* Header Styles */
.app-header {
  height: var(--header-height);
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sidebar-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  background: var(--bg-surface-secondary);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.sidebar-toggle-btn:hover {
  background: var(--bg-surface-tertiary);
  color: var(--text-primary);
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.breadcrumb-nav .separator {
  color: var(--text-muted);
}

.breadcrumb-nav .current {
  font-weight: 600;
  color: var(--text-primary);
}

.header-center {
  flex: 1;
  max-width: 440px;
  margin: 0 1.5rem;
}

.global-search-box {
  position: relative;
  width: 100%;
}

.global-search-box input {
  width: 100%;
  height: 38px;
  padding: 0 1rem 0 2.4rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface-secondary);
  color: var(--text-primary);
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.global-search-box input:focus {
  background-color: var(--bg-surface);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.global-search-box .search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.global-search-box .shortcut-badge {
  position: absolute;
  right: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.68rem;
  padding: 2px 6px;
  background: var(--bg-surface-tertiary);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  font-weight: 600;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-icon-btn {
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background: transparent;
  transition: all var(--transition-fast);
}

.header-icon-btn:hover {
  background: var(--bg-surface-secondary);
  color: var(--text-primary);
}

.notification-badge-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-danger);
  border: 2px solid var(--bg-surface);
}

/* User Profile Dropdown in Header */
.user-profile-btn {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 4px 8px 4px 4px;
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast);
}

.user-profile-btn:hover {
  background-color: var(--bg-surface-secondary);
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
}

.user-info-text {
  text-align: left;
  line-height: 1.2;
}

.user-name {
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--text-primary);
}

.user-role-badge {
  font-size: 0.68rem;
  color: var(--color-primary);
  font-weight: 500;
}

/* Main Content View Container */
.content-body {
  padding: 1.5rem 1.75rem;
  flex: 1;
}

/* Page Header Block */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.page-title-group h1 {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.page-title-group p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.page-actions-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* App Footer */
.app-footer {
  height: var(--footer-height);
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 0 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.connection-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Sidebar Backdrop on Mobile */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(2px);
  z-index: calc(var(--z-sidebar) - 1);
}