/* ============================================================
   App Shell Layout — Monday.com-inspired: Dark Sidebar + Topbar
   ============================================================ */

/* -- App Shell ---------------------------------------- */
.app-shell {
  display: grid;
  grid-template-columns: 68px 1fr;
  grid-template-rows: var(--k-topbar-h, 58px) 1fr;
  height: 100vh;
  overflow: hidden;
  background: var(--k-bg);
}

/* -- Topbar ------------------------------------------- */
.topbar {
  grid-column: 1 / -1;
  grid-row: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px 0 20px;
  height: var(--k-topbar-h, 58px);
  background: var(--k-surface);
  border-bottom: 1px solid var(--k-border-light);
  z-index: 50;
  transition: box-shadow 200ms ease;
}
.topbar.scrolled { box-shadow: 0 2px 12px rgba(26,26,46,0.09); }

.topbar-left {
  display: flex; align-items: center; gap: 14px; flex: 0 0 auto;
}
#topbar-page-title {
  font: 600 17px/1 var(--k-font);
  color: var(--k-text);
  letter-spacing: -0.2px;
}
.topbar-back-btn {
  width: 30px; height: 30px; border-radius: var(--k-radius-sm);
  border: none; background: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--k-text-secondary); transition: all 120ms ease;
}
.topbar-back-btn:hover { background: var(--k-surface-sunken); color: var(--k-text); }
.topbar-right { display: flex; align-items: center; gap: 6px; flex: 0 0 auto; }

.hamburger-btn {
  display: none; width: 34px; height: 34px; border-radius: var(--k-radius-sm);
  background: none; border: none; cursor: pointer; color: var(--k-text-secondary);
  align-items: center; justify-content: center; transition: all 120ms ease;
}
.hamburger-btn:hover { background: var(--k-surface-sunken); }

/* Credits chip */
.credits-chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 11px; border-radius: var(--k-radius-full);
  background: linear-gradient(135deg, rgba(0,200,117,0.1), rgba(0,169,160,0.1));
  border: 1px solid rgba(0,200,117,0.25);
  color: #007038; font: 600 12px/1 var(--k-font);
  letter-spacing: 0.2px; cursor: default;
}
.credits-chip .material-symbols-outlined { font-size: 13px; }

/* Notification bell */
.notification-btn { position: relative; }
.notification-btn .notif-dot {
  position: absolute; top: 5px; right: 5px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--k-error); border: 2px solid var(--k-surface);
  animation: pulseDot 2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(226,68,92,0.5); }
  50% { transform: scale(1.15); box-shadow: 0 0 0 5px rgba(226,68,92,0); }
}

/* -- Left Sidebar (Dark Navy, Monday.com-style) ------- */
.sidebar {
  position: fixed;
  top: var(--k-topbar-h, 58px);
  left: 0;
  width: 68px;
  height: calc(100vh - var(--k-topbar-h, 58px));
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 12px 0 12px;
  background: var(--k-sidebar-bg);
  border-right: none;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 55;
  transition: width var(--k-dur-medium) var(--k-ease),
              box-shadow var(--k-dur-medium) var(--k-ease);
  contain: layout style;
  will-change: width;
}
.sidebar:hover {
  width: 230px;
  box-shadow: 4px 0 30px rgba(26,26,46,0.22);
}
/* Scrollbar in dark sidebar */
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); }
.sidebar::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.22); }

/* Sidebar logo */
.sidebar-logo {
  width: 34px; height: 34px;
  border-radius: var(--k-radius-sm);
  background: var(--k-sidebar-logo-bg);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font: 700 14px/1 var(--k-font);
  cursor: pointer; flex-shrink: 0;
  margin: 0 0 14px 17px;
  transition: transform 150ms ease, box-shadow 150ms ease;
  box-shadow: 0 2px 10px rgba(80,70,228,0.35);
  text-decoration: none;
}
.sidebar-logo:hover { transform: scale(1.06); box-shadow: 0 4px 16px rgba(80,70,228,0.45); }

/* Sidebar nav items container */
.sidebar-top {
  display: flex; flex-direction: column; align-items: stretch;
  gap: 2px; width: 100%; padding: 0 8px;
  flex-shrink: 0;
}
.sidebar-bottom {
  display: flex; flex-direction: column; align-items: stretch;
  gap: 2px; width: 100%; padding: 8px 8px 0;
  flex-shrink: 0;
  border-top: 1px solid var(--k-sidebar-border);
  margin-top: 4px;
  padding-top: 12px;
}

/* Sidebar nav item */
.sidebar-item {
  position: relative;
  width: 100%; height: 44px;
  border-radius: var(--k-radius-md);
  display: flex; align-items: center;
  cursor: pointer; border: none;
  background: none;
  color: var(--k-sidebar-text);
  transition: background 120ms ease, color 120ms ease;
  flex-shrink: 0; outline: none; padding: 0; gap: 11px;
}
.sidebar-item .sidebar-icon-wrap {
  width: 38px; height: 38px;
  border-radius: var(--k-radius-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-left: 15px;
  transition: background 120ms ease;
}
.sidebar-item:hover { color: var(--k-sidebar-text-active); background: var(--k-sidebar-bg-hover); }
.sidebar-item:hover .sidebar-icon-wrap { background: rgba(255,255,255,0.06); }
.sidebar-item.active {
  color: #fff;
  background: var(--k-sidebar-bg-active);
}
.sidebar-item.active .sidebar-icon-wrap {
  background: rgba(123,126,244,0.2);
}
.sidebar-item.active .material-symbols-outlined { color: var(--k-sidebar-icon-active); }
.sidebar-item .material-symbols-outlined { font-size: 19px; }

/* Sidebar item label — hidden collapsed, visible on hover */
.sidebar-item-label {
  font: 500 13px/1 var(--k-font);
  white-space: nowrap;
  color: rgba(255,255,255,0.82);
  opacity: 0;
  transition: opacity 0.12s ease 0s;
  pointer-events: none;
  overflow: hidden;
}
.sidebar:hover .sidebar-item-label {
  opacity: 1;
  pointer-events: auto;
  transition-delay: 0.08s;
}
.sidebar-item.active .sidebar-item-label { color: #fff; font-weight: 600; }

/* Sidebar tooltip on collapsed */
.sidebar-item::before {
  content: attr(data-label);
  position: absolute; left: calc(100% + 10px); top: 50%;
  transform: translateY(-50%);
  background: #1A1A2E; color: rgba(255,255,255,0.92);
  padding: 5px 10px; border-radius: var(--k-radius-sm);
  font: 500 12px/1 var(--k-font); white-space: nowrap;
  opacity: 0; pointer-events: none; z-index: 9999;
  transition: opacity var(--k-dur-fast) var(--k-ease);
  box-shadow: 0 4px 16px rgba(0,0,0,0.28);
  border: 1px solid rgba(255,255,255,0.08);
}
.sidebar-item::after {
  content: '';
  position: absolute; left: calc(100% + 6px); top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-right-color: #000;
  opacity: 0; pointer-events: none; z-index: 9999;
  transition: opacity 120ms ease;
}
.sidebar-item:hover::before,
.sidebar-item:hover::after { opacity: 1; }
/* Hide tooltips when sidebar is expanded (labels are visible) */
.sidebar:hover .sidebar-item::before,
.sidebar:hover .sidebar-item::after { opacity: 0 !important; pointer-events: none; }

/* Notification badge on sidebar item */
.sidebar-item .badge {
  position: absolute; top: 4px; right: 4px;
  min-width: 15px; height: 15px; padding: 0 3px;
  border-radius: var(--k-radius-full); background: var(--k-error); color: #fff;
  font: 600 10px/15px var(--k-font);
  display: flex; align-items: center; justify-content: center;
}

/* Sidebar avatar */
.sidebar-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--k-gradient); color: #fff;
  border: 2px solid rgba(255,255,255,0.15); cursor: pointer;
  font: 600 12px/1 var(--k-font);
  display: flex; align-items: center; justify-content: center;
  transition: transform 120ms ease, box-shadow 120ms ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  flex-shrink: 0;
  margin-left: 19px;
}
.sidebar-avatar:hover { transform: scale(1.08); box-shadow: 0 3px 12px rgba(0,0,0,0.35); }
.sidebar-spacer { flex: 1 0 8px; }

/* Secondary nav */
.sidebar-more-wrap { width: 100%; display: flex; flex-direction: column; align-items: stretch; flex-shrink: 0; }
.sidebar-more-toggle { opacity: 0.6; }
.sidebar-more-toggle:hover { opacity: 1; }
.sidebar-secondary { display: none; width: 100%; flex-direction: column; align-items: stretch; }
.sidebar-secondary.expanded { display: flex; }

/* Dark sidebar: no dark-mode adjustments needed (already dark) */
[data-theme="dark"] .sidebar { background: #111020; }

/* -- Main Content Area -------------------------------- */
.main-content {
  grid-column: 2;
  grid-row: 2;
  max-height: calc(100vh - var(--k-topbar-h, 58px));
  overflow-y: auto; overflow-x: hidden;
  background: var(--k-bg); padding: 0; scroll-behavior: smooth;
}
.main-content::-webkit-scrollbar { width: 5px; }
.main-content::-webkit-scrollbar-track { background: transparent; }
.main-content::-webkit-scrollbar-thumb { background: #D0D3E6; border-radius: 3px; }

/* Workspace/Org switcher in topbar */
.topbar-org-switcher {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: var(--k-radius-sm);
  border: 1px solid var(--k-border);
  background: transparent; cursor: pointer;
  color: var(--k-text-secondary); font: 400 13px/1 var(--k-font);
  transition: all 120ms ease;
  max-width: 180px;
}
.topbar-org-switcher:hover { background: var(--k-surface-sunken); border-color: var(--k-text-tertiary); }
.topbar-org-switcher .org-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.topbar-org-switcher .material-symbols-outlined { font-size: 16px; color: var(--k-text-tertiary); }
.topbar-org-dropdown {
  position: absolute; top: 100%; right: 0;
  min-width: 220px; background: var(--k-surface);
  border: 1px solid var(--k-border); border-radius: var(--k-radius-sm);
  box-shadow: var(--k-shadow-dropdown);
  z-index: 100; display: none; padding: 4px;
}
.topbar-org-dropdown.open { display: block; }
.topbar-org-dropdown .org-option {
  display: block; width: 100%; padding: 9px 12px;
  border: none; background: none; cursor: pointer;
  text-align: left; font: 400 13px/1.4 var(--k-font);
  color: var(--k-text); border-radius: var(--k-radius-xs);
  transition: background 100ms ease;
}
.topbar-org-dropdown .org-option:hover { background: var(--k-surface-sunken); }
.topbar-org-dropdown .org-option.active { background: var(--k-primary-light); color: var(--k-primary); font-weight: 500; }

/* Mobile */
.sidebar-backdrop {
  display: none; position: fixed; inset: 0;
  background: var(--k-scrim); z-index: 54;
  opacity: 0; transition: opacity var(--k-dur-medium) var(--k-ease);
  pointer-events: none;
}

@media (max-width: 768px) {
  .app-shell { grid-template-columns: 1fr; grid-template-rows: 58px 1fr; }
  .hamburger-btn { display: flex; }
  .sidebar {
    top: 58px; left: 0; width: 230px;
    height: calc(100vh - 58px);
    transition: transform var(--k-dur-medium) var(--k-ease), visibility var(--k-dur-medium) step-end;
    transform: translateX(-100%); visibility: hidden; will-change: transform; box-shadow: none;
  }
  .sidebar.open {
    transform: translateX(0); visibility: visible;
    transition: transform var(--k-dur-medium) var(--k-ease), visibility 0ms step-start;
    box-shadow: 8px 0 32px rgba(26,26,46,0.24);
  }
  .main-content { grid-column: 1; }
  .sidebar-backdrop { display: block; }
  .sidebar-backdrop.open { opacity: 1; pointer-events: auto; }
  .tab-bar .tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; padding-bottom: 2px; }
  .tab-bar .tabs::-webkit-scrollbar { display: none; }
}

/* -- Page Container ----------------------------------- */
@keyframes pageEnter {
  0%   { opacity: 0; transform: translate3d(0, 16px, 0) scale(0.99); }
  55%  { opacity: 1; }
  100% { opacity: 1; transform: translate3d(0, 0, 0) scale(1); }
}
.page, .page-container {
  padding: 24px 32px; max-width: 100%;
  animation: pageEnter var(--k-dur-medium) var(--k-ease-bounce);
  will-change: transform, opacity;
}

/* -- Tab Bar (Detail pages) — instantly-style underline tabs --- */
.tab-bar {
  display: flex; align-items: center;
  background: transparent; padding: 0;
  border-bottom: 1px solid #e9ecf2;
  height: 54px;
}
.tab-bar .tabs { display: flex; gap: 20px; flex: 1; align-items: stretch; height: 100%; }
.tab-bar .tab {
  padding: 0; font-size: 16px; font-weight: 400; line-height: 54px;
  color: rgba(0,0,0,0.6); border: none; background: none; cursor: pointer;
  position: relative; transition: color var(--k-dur-normal) var(--k-ease); white-space: nowrap;
  border-radius: var(--k-radius-xs);
}
.tab-bar .tab:hover { color: var(--k-text); background: none; }
.tab-bar .tab::after {
  content: ''; position: absolute; bottom: -1px; left: 0; right: 0;
  height: 2px; border-radius: 2px 2px 0 0; background: var(--k-primary);
  transform: scaleX(0); transform-origin: center;
  transition: transform var(--k-dur-normal) var(--k-ease);
}
.tab-bar .tab.active { color: var(--k-primary); font-weight: 600; background: none; }
.tab-bar .tab.active::after { transform: scaleX(1); }
[data-theme="dark"] .tab-bar .tab { color: var(--k-text-secondary); }
[data-theme="dark"] .tab-bar { border-bottom-color: var(--k-border); }
.tab-bar .tab-actions { display: flex; align-items: center; gap: 8px; }