/* layout.css — Sysbar, Sidebar, Main, Topbar, Content-scroll */

/* ═══════════════════════════════════════════════════════════
   APP SHELL
═══════════════════════════════════════════════════════════ */

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* ═══════════════════════════════════════════════════════════
   SYSBAR — 28px top bar
═══════════════════════════════════════════════════════════ */

.sysbar {
  height: var(--statusbar-h);
  background: var(--surface-base);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 0;
  flex-shrink: 0;
  z-index: var(--z-sysbar);
  position: relative;
}

.sysbar-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: default;
  user-select: none;
}

.sysbar-icon {
  width: 16px;
  height: 16px;
  background: var(--text-primary);
  border-radius: var(--radius-xs);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  padding: 2.5px;
  flex-shrink: 0;
}

.sysbar-icon span {
  background: #fff;
  border-radius: 0.5px;
  display: block;
}

.sysbar-brand-name {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.sysbar-nav {
  display: flex;
  align-items: center;
  gap: 0;
  margin-left: 16px;
}

.sysbar-nav a {
  font-family: var(--font-sys);
  font-size: 11px;
  font-weight: 400;
  color: var(--text-tertiary);
  padding: 0 8px;
  height: var(--statusbar-h);
  display: flex;
  align-items: center;
  transition: color var(--transition-hover);
  cursor: pointer;
}

.sysbar-nav a:hover {
  color: var(--text-primary);
}

/* Sysbar dropdown menus */
.sysbar-dropdown {
  position: fixed;
  top: var(--statusbar-h);
  background: var(--surface-base);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  min-width: 180px;
  padding: 4px 0;
  z-index: var(--z-dropdown, 200);
}

.sysbar-dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 14px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.1s;
}

.sysbar-dropdown-item:hover {
  background: var(--surface-sunken);
  color: var(--text-primary);
}

.sysbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.sysbar-indicators {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sys-indicator {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-tertiary);
  cursor: default;
}

.sys-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-disabled);
}

.sys-dot.active {
  background: var(--status-posted);
}

.sys-dot.pulse {
  background: var(--status-live);
  animation: pulse 1.5s infinite;
}

.sys-dot.static {
  background: var(--status-scheduled);
}

.sysbar-clock {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  min-width: 56px;
  text-align: right;
  cursor: default;
  user-select: none;
}

/* ═══════════════════════════════════════════════════════════
   BODY AREA — Sidebar + Main
═══════════════════════════════════════════════════════════ */

.body-area {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* ═══════════════════════════════════════════════════════════
   SIDEBAR — 220px fixed
═══════════════════════════════════════════════════════════ */

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--grad-sidebar);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  z-index: var(--z-sidebar);
}

/* Sidebar Header */
.sidebar-header {
  padding: 10px 8px 10px 12px;
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  min-height: 52px;
  overflow: hidden;
}

.sidebar-win-buttons {
  display: flex;
  gap: 5px;
  margin-bottom: 10px;
}

.win-btn {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  flex-shrink: 0;
  cursor: default;
}

.win-btn.close {
  background: #ff5f57;
}

.win-btn.min {
  background: #febc2e;
}

.win-btn.max {
  background: #28c840;
}

.sidebar-app-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-app-icon {
  width: 30px;
  height: 30px;
  background: var(--text-primary);
  border-radius: 8px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  padding: 6px;
  flex-shrink: 0;
}

.sidebar-app-icon span {
  background: #fff;
  border-radius: 1px;
  display: block;
}

.sidebar-app-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.sidebar-app-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.2px;
  line-height: 1;
}

.sidebar-version {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-tertiary);
  background: var(--surface-sunken);
  padding: 1px 5px;
  border-radius: var(--radius-xs);
  display: inline-block;
  border: 1px solid var(--border-subtle);
}

/* Sidebar Nav */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 8px 8px;
  scrollbar-width: none;
}

.sidebar-nav::-webkit-scrollbar {
  display: none;
}

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

.nav-section-label {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  color: var(--text-disabled);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 8px 8px 4px;
  display: block;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-hover), color var(--transition-hover);
  margin-bottom: 1px;
  position: relative;
  user-select: none;
}

.nav-item .nav-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  opacity: 0.45;
  transition: opacity var(--transition-hover);
  color: var(--text-secondary);
}

.nav-item .nav-label {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-secondary);
  transition: color var(--transition-hover);
  flex: 1;
  min-width: 0;
}

.nav-item .nav-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  color: var(--text-tertiary);
  background: var(--surface-sunken);
  border: 1px solid var(--border-subtle);
  padding: 1px 6px;
  border-radius: 20px;
  margin-left: auto;
  flex-shrink: 0;
}

/* Nav states */
.nav-item:hover {
  background: var(--surface-sunken);
}

.nav-item:hover .nav-label {
  color: var(--text-primary);
}

.nav-item:hover .nav-icon {
  opacity: 0.7;
}

.nav-item.active {
  background: var(--text-primary);
}

.nav-item.active .nav-label {
  color: #fff;
  font-weight: 500;
}

.nav-item.active .nav-icon {
  color: #fff;
  opacity: 1;
}

.nav-item.active .nav-badge {
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Sidebar Accounts */
.sidebar-accounts {
  padding: 10px 8px 8px;
  border-top: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.sidebar-accounts-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-disabled);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 6px;
  padding: 0 2px;
  display: block;
}

.account-items {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 4px;
}

.account-item {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-hover);
}

.account-item:hover {
  background: var(--surface-sunken);
}

.account-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.account-name {
  font-size: 12px;
  color: var(--text-secondary);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-add {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 6px;
  border-radius: var(--radius-sm);
  border: 1.5px dashed var(--border-default);
  cursor: pointer;
  transition: border-color var(--transition-hover);
}

.account-add:hover {
  border-color: var(--border-strong);
}

.account-add-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--surface-sunken);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.account-add-text {
  font-size: 11px;
  color: var(--text-tertiary);
}

/* Sidebar Footer */
.sidebar-footer {
  padding: 6px 8px;
  border-top: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.sidebar-settings-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-hover);
}

.sidebar-settings-link:hover {
  background: var(--surface-sunken);
}

.sidebar-settings-link svg {
  width: 14px;
  height: 14px;
  color: var(--text-tertiary);
  opacity: 0.6;
}

.sidebar-settings-link span {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ═══════════════════════════════════════════════════════════
   MAIN — Right of sidebar
═══════════════════════════════════════════════════════════ */

.main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface-sunken);
}

/* ═══════════════════════════════════════════════════════════
   TOPBAR — 44px below sysbar
═══════════════════════════════════════════════════════════ */

.topbar {
  height: var(--topbar-h);
  background: var(--grad-topbar);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 12px;
  flex-shrink: 0;
  z-index: var(--z-topbar);
}

.topbar-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  min-width: 0;
}

.breadcrumb-ancestor {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-tertiary);
  white-space: nowrap;
}

.breadcrumb-sep {
  font-size: 12px;
  color: var(--text-disabled);
  flex-shrink: 0;
}

.breadcrumb-current {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.topbar-scheduled-pill {
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(37, 99, 235, 0.07);
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 500;
  color: #2563eb;
  cursor: default;
  user-select: none;
}

.topbar-scheduled-pill::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #2563eb;
  display: block;
}

.topbar-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  transition: opacity var(--transition-hover);
  user-select: none;
  flex-shrink: 0;
}

.topbar-avatar:hover {
  opacity: 0.85;
}

/* ═══════════════════════════════════════════════════════════
   CONTENT SCROLL AREA
═══════════════════════════════════════════════════════════ */

.content-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 28px 28px 40px;
  min-height: 0;
}

.content-scroll::-webkit-scrollbar {
  width: 4px;
}

.content-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.content-scroll::-webkit-scrollbar-thumb {
  background: var(--border-default);
  border-radius: 2px;
}

.content-scroll::-webkit-scrollbar-thumb:hover {
  background: var(--border-strong);
}

/* Page header */
.page-header {
  margin-bottom: 24px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

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

.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  line-height: 1.1;
  margin-bottom: 4px;
}

.page-desc {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.5;
}

.page-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-disabled);
  line-height: 1.7;
  text-align: right;
  flex-shrink: 0;
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════
   PAGE LOADING STATE
═══════════════════════════════════════════════════════════ */

.page-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  gap: 12px;
  color: var(--text-tertiary);
}

.page-loading .spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-default);
  border-top-color: var(--text-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.page-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  gap: 12px;
  text-align: center;
}

.page-empty-icon {
  width: 40px;
  height: 40px;
  color: var(--text-disabled);
}

.page-empty-text {
  font-size: 14px;
  color: var(--text-tertiary);
}

.page-empty-sub {
  font-size: 12px;
  color: var(--text-disabled);
}

/* ═══════════════════════════════════════════════════════════
   SIDEBAR TOGGLE BUTTON — in sidebar header, icon only
═══════════════════════════════════════════════════════════ */

.sidebar-toggle-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
  color: var(--text-tertiary);
  transition: background var(--transition-hover), color var(--transition-hover);
}

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

.sidebar-toggle-btn svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

/* ── Tooltip (hidden by default, show on hover) ──────────── */
.sidebar-toggle-tooltip {
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  background: #1C2333;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.22), 0 1px 4px rgba(0, 0, 0, 0.15);
  white-space: nowrap;
  pointer-events: none;
  z-index: 300;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.12s ease, visibility 0.12s ease;
}

.sidebar-toggle-btn:hover .sidebar-toggle-tooltip {
  opacity: 1;
  visibility: visible;
}

.sidebar-toggle-tooltip-label {
  font-size: 12px;
  font-weight: 400;
  color: #E8EDF3;
}

.sidebar-toggle-kbd {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 3px;
  padding: 1px 5px;
  line-height: 1.6;
  pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════
   SIDEBAR TRANSITION
═══════════════════════════════════════════════════════════ */

.sidebar {
  transition: width 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ═══════════════════════════════════════════════════════════
   COLLAPSED — 48px icon rail (items still visible)
═══════════════════════════════════════════════════════════ */

#app.sidebar-collapsed .sidebar {
  width: 48px;
  min-width: 48px;
}

/* Header: center the toggle button */
#app.sidebar-collapsed .sidebar-header {
  justify-content: center;
  padding: 10px 0;
}

/* Hide app info (logo + name + version) */
#app.sidebar-collapsed .sidebar-app-info {
  display: none;
}

/* Flip icon to show "open" direction */
#app.sidebar-collapsed .sidebar-toggle-btn svg {
  transform: scaleX(-1);
}

/* Tooltip for toggle points right from center */
#app.sidebar-collapsed .sidebar-toggle-btn .sidebar-toggle-tooltip {
  left: calc(100% + 10px);
}

/* Nav section labels — hide */
#app.sidebar-collapsed .nav-section-label {
  display: none;
}

/* Nav items — icon only, centered */
#app.sidebar-collapsed .nav-item {
  padding: 9px 0;
  justify-content: center;
  position: relative;
}

/* Hide nav text labels and badges */
#app.sidebar-collapsed .nav-label,
#app.sidebar-collapsed .nav-badge,
#app.sidebar-collapsed .nav-sub {
  display: none !important;
}

/* Icon full opacity when collapsed */
#app.sidebar-collapsed .nav-item .nav-icon {
  width: 16px;
  height: 16px;
  opacity: 0.5;
}

#app.sidebar-collapsed .nav-item:hover .nav-icon,
#app.sidebar-collapsed .nav-item.active .nav-icon {
  opacity: 1;
}

/* Nav item tooltip (page name) on hover when collapsed */
#app.sidebar-collapsed .nav-item::after {
  content: attr(data-tooltip);
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  padding: 5px 10px;
  background: #1C2333;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.22);
  font-size: 12px;
  color: #E8EDF3;
  white-space: nowrap;
  pointer-events: none;
  z-index: 300;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.12s ease, visibility 0.12s ease;
}

#app.sidebar-collapsed .nav-item:hover::after {
  opacity: 1;
  visibility: visible;
}

/* Sidebar accounts — hide labels, show only avatars */
#app.sidebar-collapsed .sidebar-accounts {
  padding: 8px 0;
  align-items: center;
}

#app.sidebar-collapsed .sidebar-accounts-label {
  display: none;
}

#app.sidebar-collapsed .account-item {
  padding: 5px 0;
  justify-content: center;
}

#app.sidebar-collapsed .account-name {
  display: none;
}

#app.sidebar-collapsed .account-add {
  display: none;
}

/* Sidebar footer settings */
#app.sidebar-collapsed .sidebar-settings-link {
  padding: 9px 0;
  justify-content: center;
}

#app.sidebar-collapsed .sidebar-settings-link span {
  display: none;
}

#app.sidebar-collapsed .sidebar-settings-link svg {
  opacity: 0.5;
}

#app.sidebar-collapsed .sidebar-settings-link:hover svg {
  opacity: 1;
}