/* ============================================================
   SCREENFLOW BACKOFFICE — LAYOUT.CSS
   Sidebar, Topbar, Content Area, Footer, Responsive
   ============================================================ */

/* ============================================================
   APP SHELL
   ============================================================ */
.app-shell {
  display: flex;
  min-height: 100vh;
  background: var(--color-bg-app);
}

.app-main {
  flex: 1 1 0%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  margin-left: var(--sidebar-width);
  transition: margin-left 0.24s cubic-bezier(0.4, 0, 0.2, 1);
}

.app-shell.sidebar-mini .app-main {
  margin-left: var(--sidebar-width-mini);
}

.app-shell.sidebar-hidden .app-main {
  margin-left: 0;
}

.page-content {
  flex: 1;
  padding: var(--space-6);
  overflow-y: auto;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-bg-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  z-index: var(--z-fixed);
  transition: width 0.24s cubic-bezier(0.4, 0, 0.2, 1), transform 0.24s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.app-shell.sidebar-mini .sidebar {
  width: var(--sidebar-width-mini);
}

/* ---- Sidebar Brand ---- */
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0 var(--space-4);
  height: var(--topbar-height);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  text-decoration: none;
  overflow: hidden;
  white-space: nowrap;
}

.sidebar-brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--brand-primary);
  border-radius: var(--radius-md);
  flex-shrink: 0;
  color: white;
}

.sidebar-brand-icon svg {
  width: 18px;
  height: 18px;
}

.sidebar-brand-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: -0.03em;
}

.sidebar-brand-name span {
  color: var(--brand-primary);
}

/* ---- Sidebar Toggle ---- */
.sidebar-toggle {
  position: absolute;
  top: 50%;
  right: -12px;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  color: var(--color-text-secondary);
  transition: var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.sidebar-toggle:hover {
  background: var(--brand-primary);
  color: white;
  border-color: var(--brand-primary);
}

.sidebar-toggle svg {
  width: 12px;
  height: 12px;
  transition: transform 0.24s ease;
}

.app-shell.sidebar-mini .sidebar-toggle svg {
  transform: rotate(180deg);
}

/* ---- Role Badge in Sidebar ---- */
.sidebar-role-badge {
  margin: var(--space-3) var(--space-4);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  overflow: hidden;
  white-space: nowrap;
  flex-shrink: 0;
}

.sidebar-role-badge.role-admin {
  background: var(--brand-primary-light);
  color: var(--brand-primary);
}

.sidebar-role-badge.role-superadmin {
  background: rgba(98,59,215,0.10);
  color: var(--brand-accent);
}

.sidebar-role-badge.role-user {
  background: var(--color-bg-subtle);
  color: var(--color-text-secondary);
}

.sidebar-role-badge .role-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  background: currentColor;
}

/* ---- Sidebar Nav ---- */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-2) 0 var(--space-4);
}

.sidebar-nav::-webkit-scrollbar { width: 0; }

.nav-group {
  margin-bottom: var(--space-1);
}

.nav-group-label {
  padding: var(--space-4) var(--space-4) var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.app-shell.sidebar-mini .nav-group-label {
  visibility: hidden;
  height: 0;
  padding: 0;
}

.nav-item {
  display: block;
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  margin: 1px var(--space-2);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition-fast);
  white-space: nowrap;
  overflow: hidden;
  cursor: pointer;
  border: none;
  background: none;
  width: calc(100% - var(--space-4));
  text-align: left;
}

.nav-link:hover {
  background: var(--color-bg-subtle);
  color: var(--color-text-primary);
}

.nav-link.active {
  background: var(--brand-primary-muted);
  color: var(--brand-primary);
  font-weight: 600;
}

.nav-link.active .nav-icon {
  color: var(--brand-primary);
}

.nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-text-tertiary);
  transition: var(--transition-fast);
}

.nav-link:hover .nav-icon,
.nav-link.active .nav-icon {
  color: var(--brand-primary);
}

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

.nav-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: opacity 0.2s ease;
}

.app-shell.sidebar-mini .nav-label,
.app-shell.sidebar-mini .nav-group-label span,
.app-shell.sidebar-mini .sidebar-role-badge span,
.app-shell.sidebar-mini .sidebar-brand-name {
  opacity: 0;
  pointer-events: none;
}

.nav-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background: var(--brand-primary);
  color: white;
  font-size: 10px;
  font-weight: 700;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  transition: opacity 0.2s ease;
}

.app-shell.sidebar-mini .nav-badge { opacity: 0; }

.nav-arrow {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--color-text-tertiary);
  transition: transform 0.2s ease;
  opacity: 0.7;
}

.nav-item.open > .nav-link .nav-arrow {
  transform: rotate(90deg);
}

.app-shell.sidebar-mini .nav-arrow { opacity: 0; }

/* ---- Submenu ---- */
.nav-submenu {
  display: none;
  padding: var(--space-1) 0 var(--space-1) calc(var(--space-4) + 20px + var(--space-3));
}

.nav-item.open > .nav-submenu {
  display: block;
  animation: submenu-open 0.18s ease;
}

@keyframes submenu-open {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.nav-submenu .nav-link {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-secondary);
  margin: 0 var(--space-2);
  width: calc(100% - var(--space-4));
}

.nav-submenu .nav-link:hover { color: var(--color-text-primary); }
.nav-submenu .nav-link.active {
  color: var(--brand-primary);
  font-weight: 600;
  background: none;
}
.nav-submenu .nav-link.active::before {
  content: '';
  position: absolute;
  left: calc(-1 * (var(--space-3) + 1px));
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 14px;
  background: var(--brand-primary);
  border-radius: var(--radius-full);
}

/* ---- Sidebar Footer ---- */
.sidebar-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
  flex-shrink: 0;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  overflow: hidden;
  white-space: nowrap;
}

.sidebar-user:hover { background: var(--color-bg-subtle); }

.sidebar-user-info {
  flex: 1;
  min-width: 0;
  transition: opacity 0.2s ease;
}

.app-shell.sidebar-mini .sidebar-user-info { opacity: 0; }

.sidebar-user-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ============================================================
   TOPBAR
   ============================================================ */
.topbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  height: var(--topbar-height);
  background: var(--color-bg-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: 0 var(--space-6);
  flex-shrink: 0;
  box-shadow: var(--shadow-xs);
}

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

.topbar-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.topbar-menu-btn:hover {
  background: var(--color-bg-subtle);
  color: var(--color-text-primary);
}

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

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  flex-wrap: wrap;
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumbs li a {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  text-decoration: none;
  transition: var(--transition-fast);
}

.breadcrumbs li a:hover { color: var(--brand-primary); }

.breadcrumbs li span {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  font-weight: 500;
}

.breadcrumbs li::after {
  content: '/';
  color: var(--color-text-disabled);
  font-size: var(--text-sm);
}

.breadcrumbs li:last-child::after { display: none; }

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

/* ---- Topbar Push/Sync btn ---- */
.btn-sync {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-text-primary);
  color: white;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
}

.btn-sync:hover { opacity: 0.88; }

.btn-sync.syncing .sync-icon {
  animation: spin 1s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Topbar Workspace Selector ---- */
.workspace-selector {
  position: relative;
}

.workspace-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.workspace-btn:hover {
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
}

/* ---- Topbar Notification btn ---- */
.topbar-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
  cursor: pointer;
}

.topbar-btn:hover {
  background: var(--color-bg-subtle);
  color: var(--color-text-primary);
}

.topbar-btn svg { width: 18px; height: 18px; }

.topbar-btn .notif-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  background: var(--brand-primary);
  border: 2px solid var(--color-bg-surface);
  border-radius: var(--radius-full);
}

/* ---- Topbar User Avatar ---- */
.topbar-avatar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
}

.topbar-avatar:hover { background: var(--color-bg-subtle); }

/* ---- Upgrade Banner ---- */
.upgrade-banner {
  background: linear-gradient(135deg, #FEF9EB 0%, #FEF1E9 100%);
  border-bottom: 1px solid var(--color-warning-border);
  padding: var(--space-2) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.upgrade-banner strong { color: var(--color-text-primary); }
.upgrade-banner a { color: var(--brand-primary); font-weight: 600; }

.upgrade-banner-close {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-tertiary);
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--transition-fast);
}

.upgrade-banner-close:hover { color: var(--color-text-primary); }

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.page-header-left { flex: 1; min-width: 0; }

.page-header-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.page-header-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

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

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

.section-header-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-primary);
}

/* ============================================================
   GRID SYSTEM
   ============================================================ */
.grid {
  display: grid;
  gap: var(--space-5);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }

.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }
.col-span-4 { grid-column: span 4; }

/* ============================================================
   SIDEBAR OVERLAY (mobile)
   ============================================================ */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg-overlay);
  z-index: calc(var(--z-fixed) - 1);
  backdrop-filter: blur(2px);
  animation: fade-in 0.18s ease;
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1200px) {
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-5 { grid-template-columns: repeat(3, 1fr); }
  .grid-cols-6 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 992px) {
  .grid-cols-3,
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .col-span-3,
  .col-span-4  { grid-column: span 2; }
}

@media (max-width: 768px) {
  :root {
    --space-6: 20px;
    --topbar-height: 52px;
  }

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

  .sidebar {
    transform: translateX(-100%);
    box-shadow: var(--shadow-xl);
    width: var(--sidebar-width) !important;
  }

  .app-shell.sidebar-open .sidebar {
    transform: translateX(0);
  }

  .app-shell.sidebar-open .sidebar-overlay {
    display: block;
  }

  .topbar-menu-btn { display: flex; }

  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 { grid-template-columns: 1fr; }

  .col-span-2,
  .col-span-3,
  .col-span-4 { grid-column: span 1; }

  .page-header { flex-direction: column; align-items: flex-start; }

  .upgrade-banner {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
  }

  .topbar { padding: 0 var(--space-4); }
  .page-content { padding: var(--space-4); }
}

@media (max-width: 480px) {
  .page-header-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .btn-sync span { display: none; }
  .workspace-btn span { display: none; }

  .topbar-right .topbar-btn:not(:last-child) { display: none; }
}