/**
 * Vink Platform — Base V2 Layout
 * Sidebar navigation with group-based access control
 */

/* ============================================
   Layout Structure
   ============================================ */

.vink-layout {
  display: flex;
  min-height: 100vh;
  background: var(--vink-bg);
}

/* ============================================
   Sidebar
   ============================================ */

.vink-sidebar {
  width: 260px;
  min-width: 260px;
  background: var(--vink-surface);
  border-right: 1px solid var(--vink-border);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  transition: transform 200ms ease;
}

.vink-sidebar.collapsed {
  transform: translateX(-260px);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--vink-border);
  text-decoration: none;
  color: var(--vink-text-primary);
}

.sidebar-brand:hover {
  text-decoration: none;
  color: var(--vink-text-primary);
}

.sidebar-brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--vink-primary-light), var(--vink-primary));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.sidebar-brand-text {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
}

/* Navigation */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}

.sidebar-nav::-webkit-scrollbar {
  width: 4px;
}

.sidebar-nav::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
  background: var(--vink-border);
  border-radius: 2px;
}

.nav-section {
  margin-bottom: 4px;
}

.nav-section-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 20px;
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--vink-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: color 150ms ease;
}

.nav-section-toggle:hover {
  color: var(--vink-text-secondary);
}

.nav-section-toggle svg {
  width: 14px;
  height: 14px;
  transition: transform 200ms ease;
  margin-left: auto;
}

.nav-section-toggle[aria-expanded="false"] svg {
  transform: rotate(-90deg);
}

.nav-section-items {
  overflow: hidden;
  transition: max-height 200ms ease;
}

.nav-section-items.collapsed {
  max-height: 0 !important;
}

.nav-item-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 20px 7px 32px;
  color: var(--vink-text-secondary);
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 400;
  transition: all 150ms ease;
  border-left: 2px solid transparent;
  cursor: pointer;
}

.nav-item-link:hover {
  color: var(--vink-primary);
  background: rgba(30, 64, 175, 0.04);
  text-decoration: none;
}

.nav-item-link.active {
  color: var(--vink-primary);
  background: rgba(30, 64, 175, 0.06);
  border-left-color: var(--vink-primary);
  font-weight: 500;
}

.nav-item-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.7;
}

.nav-item-link:hover svg,
.nav-item-link.active svg {
  opacity: 1;
}

.nav-divider {
  height: 1px;
  background: var(--vink-border);
  margin: 8px 20px;
}

/* Sidebar footer / user */
.sidebar-footer {
  border-top: 1px solid var(--vink-border);
  padding: 12px 16px;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 8px;
  transition: background 150ms ease;
  cursor: pointer;
  position: relative;
}

.sidebar-user:hover {
  background: var(--vink-bg-secondary);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--vink-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
}

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

.user-name {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--vink-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 0.6875rem;
  color: var(--vink-text-muted);
}

.user-menu-icon {
  color: var(--vink-text-muted);
}

.user-menu-icon svg {
  width: 16px;
  height: 16px;
}

/* User dropdown */
.user-dropdown {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--vink-surface);
  border: 1px solid var(--vink-border);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  padding: 4px;
  z-index: 200;
}

.user-dropdown.open {
  display: block;
}

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--vink-text-secondary);
  text-decoration: none;
  font-size: 0.8125rem;
  transition: all 150ms ease;
  cursor: pointer;
}

.user-dropdown-item:hover {
  background: var(--vink-bg-secondary);
  color: var(--vink-text-primary);
  text-decoration: none;
}

.user-dropdown-item svg {
  width: 16px;
  height: 16px;
}

.user-dropdown-divider {
  height: 1px;
  background: var(--vink-border);
  margin: 4px 0;
}

/* ============================================
   Main Content Area
   ============================================ */

.vink-main {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left 200ms ease;
}

.vink-sidebar.collapsed + .vink-main {
  margin-left: 0;
}

/* Top bar */
.vink-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--vink-surface);
  border-bottom: 1px solid var(--vink-border);
  position: sticky;
  top: 0;
  z-index: 50;
  gap: 16px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: none;
  border-radius: 8px;
  color: var(--vink-text-secondary);
  cursor: pointer;
  transition: all 150ms ease;
}

.topbar-toggle:hover {
  background: var(--vink-bg-secondary);
  color: var(--vink-text-primary);
}

.topbar-toggle svg {
  width: 20px;
  height: 20px;
}

.topbar-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  color: var(--vink-text-muted);
}

.topbar-breadcrumb a {
  color: var(--vink-text-muted);
  text-decoration: none;
  transition: color 150ms ease;
}

.topbar-breadcrumb a:hover {
  color: var(--vink-primary);
}

.topbar-breadcrumb-sep {
  color: var(--vink-border);
}

.topbar-breadcrumb-current {
  color: var(--vink-text-primary);
  font-weight: 500;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Content */
.vink-content {
  flex: 1;
  padding: 24px;
}

/* Footer */
.vink-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--vink-border);
  font-size: 0.75rem;
  color: var(--vink-text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.vink-footer a {
  color: var(--vink-text-muted);
  text-decoration: none;
  transition: color 150ms ease;
}

.vink-footer a:hover {
  color: var(--vink-primary);
}

/* ============================================
   Alerts / Messages
   ============================================ */

.vink-alerts {
  padding: 0 24px;
  padding-top: 16px;
}

.vink-alert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.875rem;
  margin-bottom: 8px;
  border: 1px solid;
}

.vink-alert-success {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.2);
  color: #059669;
}

.vink-alert-error,
.vink-alert-danger {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.2);
  color: #DC2626;
}

.vink-alert-warning {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.2);
  color: #D97706;
}

.vink-alert-info {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.2);
  color: #2563EB;
}

.vink-alert-close {
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  opacity: 0.6;
  padding: 4px;
  line-height: 1;
}

.vink-alert-close:hover {
  opacity: 1;
}

/* ============================================
   Mobile Overlay
   ============================================ */

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 99;
}

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

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .vink-sidebar {
    transform: translateX(-260px);
  }

  .vink-sidebar.mobile-open {
    transform: translateX(0);
  }

  .vink-main {
    margin-left: 0;
  }

  .topbar-toggle {
    display: flex;
  }
}

@media (max-width: 640px) {
  .vink-content {
    padding: 16px;
  }

  .vink-topbar {
    padding: 10px 16px;
  }

  .vink-footer {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

/* ============================================
   Group badge in nav
   ============================================ */

.nav-group-badge {
  font-size: 0.625rem;
  padding: 1px 6px;
  border-radius: 8px;
  background: var(--vink-bg-secondary);
  color: var(--vink-text-muted);
  margin-left: auto;
  font-family: var(--font-mono);
}