/* ==========================================================================
   Synaptic — Layout System
   Phase 18B — App shell, sidebar, main content
   ========================================================================== */

/* ----- App Shell Grid ----- */
.synaptic-v2.sv2-app {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  height: 100vh;
  width: 100vw;
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  overflow: hidden;
}

/* ----- Sidebar Container ----- */
.synaptic-v2.sidebar,
  .synaptic-v2 .sv2-sidebar {
  display: flex;
  flex-direction: column;
  background: var(--color-sidebar);
  border-right: 1px solid var(--color-border);
  padding: var(--space-4);
  overflow: hidden;
}

/* Sidebar Header (logo area) */
.synaptic-v2 .sv2-sidebar-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-2) var(--space-5);
}

.synaptic-v2 .sv2-logo-mark {
  width: 28px;
  height: 28px;
  color: var(--color-text-primary);
  flex-shrink: 0;
}

.synaptic-v2 .sv2-logo-wordmark {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

/* New Chat Button */
.synaptic-v2 .sv2-new-chat {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: var(--space-5);
}

.synaptic-v2 .sv2-new-chat:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-strong);
}

.synaptic-v2 .sv2-new-chat svg {
  width: 16px;
  height: 16px;
  stroke-width: 2;
}

/* Chat History Scrollable Area */
.synaptic-v2 .sv2-chat-history {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  margin: 0 calc(var(--space-2) * -1);
  padding: 0 var(--space-2);
}

/* Custom scrollbar for sidebar */
.synaptic-v2 .sv2-chat-history::-webkit-scrollbar {
  width: 6px;
}
.synaptic-v2 .sv2-chat-history::-webkit-scrollbar-track {
  background: transparent;
}
.synaptic-v2 .sv2-chat-history::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}
.synaptic-v2 .sv2-chat-history::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-strong);
}

/* Chat Group (Today, Yesterday, etc.) */
.synaptic-v2 .sv2-chat-group {
  margin-bottom: var(--space-4);
}

.synaptic-v2 .sv2-chat-group-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-1);
}

/* Individual Chat Item */
.synaptic-v2 .sv2-chat-item {
  display: flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 1px;
}

.synaptic-v2 .sv2-chat-item:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
}

.synaptic-v2 .sv2-chat-item.active {
  background: var(--color-surface);
  color: var(--color-text-primary);
  font-weight: var(--weight-medium);
  box-shadow: var(--shadow-sm);
}

.synaptic-v2 .sv2-chat-item-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Sidebar Footer Section */
.synaptic-v2 .sv2-sidebar-footer {
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

/* Footer link (Memories, API Vault) */
.synaptic-v2 .sv2-footer-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
}

.synaptic-v2 .sv2-footer-link:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
}

.synaptic-v2 .sv2-footer-link svg {
  width: 16px;
  height: 16px;
  color: var(--color-text-tertiary);
  flex-shrink: 0;
}

.synaptic-v2 .sv2-footer-link:hover svg {
  color: var(--color-text-primary);
}

/* User Profile Section */
.synaptic-v2 .sv2-profile {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  margin-top: var(--space-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
  position: relative;
}

.synaptic-v2 .sv2-profile:hover {
  background: var(--color-surface-hover);
}

.synaptic-v2 .sv2-profile-info {
  flex: 1;
  min-width: 0;
}

.synaptic-v2 .sv2-profile-name {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.synaptic-v2 .sv2-profile-plan {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.synaptic-v2 .sv2-profile-menu-icon {
  width: 16px;
  height: 16px;
  color: var(--color-text-tertiary);
  flex-shrink: 0;
}

/* Profile dropdown positioning */
.synaptic-v2 .sv2-profile-dropdown {
  bottom: 100%;
  left: 0;
  right: 0;
  margin-bottom: var(--space-2);
}

/* ----- Main Content Area (placeholder for now) ----- */
.synaptic-v2 .sv2-main {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-bg);
}


/* ==========================================================================
   PHASE 18H — Mini-Rail Collapsible Sidebar (Claude-style)
   ========================================================================== */

/* Base sidebar transitions */
.app-shell .sidebar {
  width: 280px;
  flex-shrink: 0;
  transition: width var(--transition-base), padding var(--transition-base);
  position: relative;
}

/* ====== COLLAPSED MINI-RAIL (Desktop) ====== */
.app-shell.sidebar-collapsed .sidebar {
  width: 64px;
  padding-left: 8px;
  padding-right: 8px;
}

/* Hide text labels in mini-rail mode */
.app-shell.sidebar-collapsed .sv2-logo-wordmark,
.app-shell.sidebar-collapsed .sv2-new-chat span,
.app-shell.sidebar-collapsed .sv2-footer-link span,
.app-shell.sidebar-collapsed .sv2-chat-history,
.app-shell.sidebar-collapsed .sv2-profile-name,
.app-shell.sidebar-collapsed .sv2-profile-plan,
.app-shell.sidebar-collapsed #memory-badge {
  display: none !important;
}

/* Center icons in collapsed state */
.app-shell.sidebar-collapsed .sv2-sidebar-header,
.app-shell.sidebar-collapsed .sv2-new-chat,
.app-shell.sidebar-collapsed .sv2-footer-link,
.app-shell.sidebar-collapsed .sv2-profile-row {
  justify-content: center;
  padding-left: 8px;
  padding-right: 8px;
}

.app-shell.sidebar-collapsed .sv2-new-chat {
  width: 48px;
  margin: 0 auto;
}

/* Tooltips for mini-rail icons */
.app-shell.sidebar-collapsed .sv2-new-chat,
.app-shell.sidebar-collapsed .sv2-footer-link {
  position: relative;
}

.app-shell.sidebar-collapsed .sv2-new-chat::after,
.app-shell.sidebar-collapsed .sv2-footer-link::after {
  content: attr(data-tooltip);
  position: absolute;
  left: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-text-primary);
  color: var(--color-bg);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.app-shell.sidebar-collapsed .sv2-new-chat:hover::after,
.app-shell.sidebar-collapsed .sv2-footer-link:hover::after {
  opacity: 1;
}

/* ====== SIDEBAR TOGGLE BUTTON ====== */
.sv2-sidebar-toggle {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 50;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.sv2-sidebar-toggle:hover {
  background: var(--color-surface);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.sv2-sidebar-toggle i,
.sv2-sidebar-toggle svg {
  width: 18px;
  height: 18px;
}

/* ====== MOBILE BACKDROP ====== */
.sv2-sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 40;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.sv2-sidebar-backdrop.active {
  opacity: 1;
}

/* ====== MOBILE RESPONSIVE ====== */
@media (max-width: 768px) {
  /* On mobile, sidebar always = full width overlay (no mini-rail) */
  .app-shell .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    z-index: 45;
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.25);
  }

  /* Override mini-rail on mobile — always full when shown */
  .app-shell.sidebar-collapsed .sidebar {
    width: 280px;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .app-shell.sidebar-collapsed .sv2-logo-wordmark,
  .app-shell.sidebar-collapsed .sv2-new-chat span,
  .app-shell.sidebar-collapsed .sv2-footer-link span,
  .app-shell.sidebar-collapsed .sv2-chat-history,
  .app-shell.sidebar-collapsed .sv2-profile-name,
  .app-shell.sidebar-collapsed .sv2-profile-plan {
    display: block !important;
  }

  .app-shell.sidebar-collapsed #memory-badge {
    display: inline-block !important;
  }

  .app-shell.sidebar-collapsed .sv2-new-chat {
    width: 100%;
  }

  /* Hide mini-rail tooltips on mobile */
  .app-shell.sidebar-collapsed .sv2-new-chat::after,
  .app-shell.sidebar-collapsed .sv2-footer-link::after {
    display: none;
  }

  .app-shell:not(.sidebar-mobile-open) .sidebar {
    transform: translateX(-100%);
  }

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

  .app-shell.sidebar-mobile-open .sv2-sidebar-backdrop {
    display: block;
    opacity: 1;
  }

  .main-content {
    width: 100%;
  }
}

/* ==========================================================================
   PHASE 18H — Mini-rail Chats button + polish
   ========================================================================== */

/* Chats rail button — hidden by default, only shown in collapsed state */
.sv2-rail-chats {
  display: none;
  width: 48px;
  height: 40px;
  margin: 8px auto 0;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  position: relative;
}

.sv2-rail-chats:hover {
  background: var(--color-surface);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.sv2-rail-chats i,
.sv2-rail-chats svg {
  width: 18px;
  height: 18px;
}

/* Show Chats button only when collapsed (desktop) */
.app-shell.sidebar-collapsed .sv2-rail-chats {
  display: flex;
}

/* Tooltip for Chats rail button */
.app-shell.sidebar-collapsed .sv2-rail-chats::after {
  content: attr(data-tooltip);
  position: absolute;
  left: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-text-primary);
  color: var(--color-bg);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.app-shell.sidebar-collapsed .sv2-rail-chats:hover::after {
  opacity: 1;
}

/* Hide on mobile (sidebar always full-width on mobile) */
@media (max-width: 768px) {
  .app-shell.sidebar-collapsed .sv2-rail-chats {
    display: none;
  }
}

/* ==========================================================================
   Mobile welcome heading — prevent awkward wrap
   ========================================================================== */
@media (max-width: 768px) {
  .synaptic-v2 .sv2-welcome-heading,
  .synaptic-v2 h1 {
    font-size: clamp(28px, 8vw, 40px) !important;
    line-height: 1.15 !important;
    word-break: keep-all;
  }

  /* Tighten mobile sidebar toggle position */
  .sv2-sidebar-toggle {
    top: 12px;
    left: 12px;
  }
}

/* ==========================================================================
   Mini-rail tighter spacing
   ========================================================================== */
.app-shell.sidebar-collapsed .sv2-sidebar {
  gap: 4px;
}

.app-shell.sidebar-collapsed .sv2-sidebar-header {
  padding: var(--space-2) 0 var(--space-3);
}

.app-shell.sidebar-collapsed .sv2-sidebar-footer {
  gap: 4px;
}

.app-shell.sidebar-collapsed .sv2-footer-link {
  height: 40px;
  padding: 0;
  width: 48px;
  margin: 0 auto;
}

/* ==========================================================================
   PHASE 18H — Mini-rail polish: hide logo, consistent avatar
   ========================================================================== */

/* Hide entire sidebar header (logo + wordmark) when collapsed */
.app-shell.sidebar-collapsed .sv2-sidebar-header {
  display: none;
}

/* Push toggle button down a bit so rail starts clean */
.app-shell.sidebar-collapsed .sv2-sidebar {
  padding-top: 56px; /* leave room for toggle button */
}

/* Consistent avatar in mini-rail */
.app-shell.sidebar-collapsed .sv2-profile-row {
  padding: 8px 0;
}

.app-shell.sidebar-collapsed .sv2-profile-avatar {
  width: 36px !important;
  height: 36px !important;
  font-size: 14px !important;
  margin: 0 auto;
}

/* Hide the "..." menu button in collapsed mode (cleaner look) */
.app-shell.sidebar-collapsed .sv2-profile-menu-btn {
  display: none;
}

/* Mobile override — restore everything */
@media (max-width: 768px) {
  .app-shell.sidebar-collapsed .sv2-sidebar-header {
    display: flex;
  }
  .app-shell.sidebar-collapsed .sv2-sidebar {
    padding-top: var(--space-4);
  }
  .app-shell.sidebar-collapsed .sv2-profile-menu-btn {
    display: flex;
  }
}

/* ==========================================================================
   PHASE 18H — Fix avatar position at bottom when collapsed
   ========================================================================== */

/* Make sidebar a flex column so footer stays at bottom */
.app-shell .sidebar {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* When collapsed, ensure footer is at absolute bottom */
.app-shell.sidebar-collapsed .sv2-sidebar-footer {
  margin-top: auto; /* pushes footer to bottom */
  padding-bottom: 12px;
}

/* Mobile override */
@media (max-width: 768px) {
  .app-shell.sidebar-collapsed .sv2-sidebar-footer {
    margin-top: 0;
    padding-bottom: var(--space-4);
  }
}

/* ==========================================================================
   PHASE 18H — Topbar with Chat Title
   ========================================================================== */

.sv2-topbar {
  display: flex;
  align-items: center;
  padding: 16px 24px;
  min-height: 60px;
}

.sv2-topbar-title {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 6px 10px;
  margin-left: -10px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-primary);
}

.sv2-topbar-title:hover {
  background: var(--color-surface-hover, rgba(0,0,0,0.04));
}

/* Hide topbar on mobile (sidebar toggle is enough) */
@media (max-width: 768px) {
  .sv2-topbar {
    display: none;
  }
}

/* ==========================================================================
   PHASE 18H — Fix topbar positioning (center it properly)
   ========================================================================== */

/* Topbar — left-aligned (Claude-style), leaves top-right open for future buttons */
.main-content .sv2-topbar {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  background: var(--color-bg);
  padding: 12px 24px;
  min-height: 56px;
  justify-content: flex-start;
}

/* No extra top padding needed — sticky topbar handles its own space */
.main-content {
  padding-top: 0;
}

/* Hide topbar on mobile */
@media (max-width: 768px) {
  .main-content .sv2-topbar {
    display: none;
  }
  .main-content {
    padding-top: 0;
  }
}

/* ==========================================================================
   PHASE 18H — Toggle button inside sidebar (Claude-style)
   ========================================================================== */

/* Position toggle at top-right of sidebar */
.sidebar .sv2-sidebar-toggle {
  position: absolute;
  top: 12px;
  right: 12px;
  left: auto; /* override previous left positioning */
}

/* When collapsed, move toggle to top-left of mini-rail */
.app-shell.sidebar-collapsed .sidebar .sv2-sidebar-toggle {
  left: 8px;
  right: auto;
  top: 8px;
}

/* Adjust sidebar padding to account for toggle button */
.sidebar {
  padding-top: 56px; /* space for toggle button */
}

/* Mobile: toggle stays at top-left */
@media (max-width: 768px) {
  .sidebar .sv2-sidebar-toggle {
    left: 12px;
    right: auto;
    top: 12px;
  }
}

/* ==========================================================================
   PHASE 18H — Fix logo overlap with toggle button
   ========================================================================== */

/* Push sidebar header down to clear the toggle button */
.synaptic-v2 .sv2-sidebar-header {
  margin-top: 8px; /* additional space below toggle */
}

/* When collapsed, adjust spacing */
.app-shell.sidebar-collapsed .sv2-sidebar-header {
  margin-top: 48px; /* more space in mini-rail mode */
}

/* Mobile: no extra margin needed */
@media (max-width: 768px) {
  .synaptic-v2 .sv2-sidebar-header {
    margin-top: 0;
  }
  .app-shell.sidebar-collapsed .sv2-sidebar-header {
    margin-top: 0;
  }
}

/* ==========================================================================
   PHASE 18H — Chat Title Dropdown Menu (Claude-style)
   ========================================================================== */

/* Make title relative so dropdown can position to it */
.sv2-topbar-title {
  position: relative;
}

.sv2-chat-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  padding: 6px;
  min-width: 180px;
  z-index: 100;
  display: none;
}

.sv2-chat-menu.show {
  display: block;
}

.sv2-chat-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 12px;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 14px;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background 0.15s ease;
}

.sv2-chat-menu-item:hover {
  background: var(--color-surface-hover);
}

.sv2-chat-menu-item.danger {
  color: #ef4444;
}

.sv2-chat-menu-item.danger:hover {
  background: rgba(239, 68, 68, 0.1);
}

.sv2-chat-menu-divider {
  height: 1px;
  background: var(--color-border);
  margin: 4px 0;
}


/* ==========================================================================
   PHASE 18H — Toast Notifications
   ========================================================================== */

.sv2-toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.sv2-toast {
  min-width: 280px;
  max-width: 400px;
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text-primary);
  pointer-events: auto;
  animation: sv2-toast-in 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: bottom right;
}

.sv2-toast.removing {
  animation: sv2-toast-out 0.2s ease-in forwards;
}

.sv2-toast-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

.sv2-toast-success {
  border-left: 3px solid #10b981;
}
.sv2-toast-success .sv2-toast-icon { color: #10b981; }

.sv2-toast-error {
  border-left: 3px solid #ef4444;
}
.sv2-toast-error .sv2-toast-icon { color: #ef4444; }

.sv2-toast-info {
  border-left: 3px solid #6366f1;
}
.sv2-toast-info .sv2-toast-icon { color: #6366f1; }

@keyframes sv2-toast-in {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes sv2-toast-out {
  to { opacity: 0; transform: translateY(20px) scale(0.95); }
}

/* Mobile: full-width toasts at bottom */
@media (max-width: 768px) {
  .sv2-toast-container {
    left: 16px;
    right: 16px;
    bottom: 16px;
  }
  .sv2-toast {
    min-width: 0;
    max-width: 100%;
  }
}


/* ==========================================================================
   PHASE 18H — Empty State (Sidebar Chats)
   ========================================================================== */

.sv2-chats-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
  text-align: center;
  color: var(--color-text-tertiary);
}

.sv2-chats-empty i {
  color: var(--color-text-tertiary);
}

/* Hide empty state when sidebar is collapsed (mini-rail) */
.app-shell.sidebar-collapsed .sv2-chats-empty {
  display: none;
}

/* Web search badge - Phase 18I */
.sv2-web-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    margin-left: 8px;
    padding: 2px 8px;
    font-size: 0.7rem;
    font-weight: 600;
    color: #059669;
    background: rgba(5, 150, 105, 0.1);
    border: 1px solid rgba(5, 150, 105, 0.3);
    border-radius: 10px;
    vertical-align: middle;
}
.sv2-mcp-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    margin-left: 8px;
    padding: 2px 8px;
    font-size: 0.7rem;
    font-weight: 600;
    color: #6366f1;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(5, 150, 105, 0.3);
    border-radius: 10px;
    vertical-align: middle;
}
[data-theme="dark"] .sv2-web-badge {
    color: #34d399;
    background: rgba(52, 211, 153, 0.15);
    border-color: rgba(52, 211, 153, 0.3);
}

/* Search Sources Section - Phase 18I */
.search-sources {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color, #e5e7eb);
}
.search-sources-header {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary, #6b7280);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.search-sources-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.search-source-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--bg-secondary, #f3f4f6);
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    transition: background 0.15s;
    border: 1px solid transparent;
}
.search-source-item:hover {
    background: var(--bg-hover, #e5e7eb);
    border-color: var(--border-color, #d1d5db);
}
.search-source-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background: var(--accent-color, #3b82f6);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 50%;
    flex-shrink: 0;
}
.search-source-title {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary, #111827);
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.search-source-domain {
    font-size: 0.75rem;
    color: var(--text-tertiary, #9ca3af);
    flex-shrink: 0;
}
[data-theme="dark"] .search-source-item {
    background: rgba(255,255,255,0.05);
}
[data-theme="dark"] .search-source-item:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.15);
}


/* ── Phase 18L.3: Sidebar legal links ── */
.sv2-legal-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 8px 4px;
  font-size: 11px;
  color: var(--color-text-tertiary, #9ca3af);
  border-top: 1px solid var(--color-border, rgba(0,0,0,0.06));
  margin-top: 8px;
}
.sv2-legal-links a {
  color: var(--color-text-tertiary, #9ca3af);
  text-decoration: none;
  transition: color 0.15s ease;
}
.sv2-legal-links a:hover {
  color: var(--color-accent, #6366f1);
}
.sv2-legal-sep {
  color: var(--color-text-tertiary, #d1d5db);
  opacity: 0.6;
}
[data-theme="dark"] .sv2-legal-links {
  border-top-color: rgba(255,255,255,0.06);
  color: #6b7280;
}
[data-theme="dark"] .sv2-legal-links a {
  color: #6b7280;
}
[data-theme="dark"] .sv2-legal-links a:hover {
  color: #818cf8;
}

/* ── Task Cards (Phase 18P.2) ────────────────────────────────────────────── */
.sv2-task-card {
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 14px 16px;
    margin: 0 16px 10px;
    background: var(--color-surface);
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: border-color 0.15s;
}
.sv2-task-card:hover { border-color: var(--accent-primary, #7c6ff7); }
.sv2-task-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}
.sv2-task-card-left {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
}
.sv2-task-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sv2-task-card-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}
.sv2-task-card-prompt {
    font-size: 12px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}
.sv2-task-card-meta {
    display: flex;
    gap: 14px;
    font-size: 11px;
    color: var(--text-tertiary, #64748b);
    flex-wrap: wrap;
}
.sv2-task-status {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}
.sv2-task-status.active {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
}
.sv2-task-status.paused {
    background: rgba(100, 116, 139, 0.15);
    color: #94a3b8;
    border: 1px solid rgba(100, 116, 139, 0.3);
}

/* ── Task Confirmation Card (Phase 18P.3) ────────────────────────────────── */
.sv2-task-confirm-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-top: 12px;
    padding: 14px 16px;
    background: var(--surface-1, #1e1e2e);
    border: 1px solid var(--accent-primary, #7c6ff7);
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(124, 111, 247, 0.12);
    animation: sv2TaskCardIn 0.25s ease;
}
@keyframes sv2TaskCardIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}
.sv2-task-confirm-icon { font-size: 22px; flex-shrink: 0; margin-top: 1px; }
.sv2-task-confirm-body { flex: 1; min-width: 0; }
.sv2-task-confirm-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--accent-primary, #7c6ff7);
    margin-bottom: 3px;
}
.sv2-task-confirm-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sv2-task-confirm-detail {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--color-text-secondary);
    flex-wrap: wrap;
}
.sv2-task-confirm-badge {
    display: inline-flex;
    padding: 2px 8px;
    background: rgba(124, 111, 247, 0.15);
    border: 1px solid rgba(124, 111, 247, 0.3);
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
    color: var(--accent-primary, #7c6ff7);
}
.sv2-task-confirm-btn {
    flex-shrink: 0;
    padding: 7px 14px;
    background: var(--accent-primary, #7c6ff7);
    color: #fff;
    border: none;
    border-radius: 7px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s;
    align-self: center;
}
.sv2-task-confirm-btn:hover { opacity: 0.85; }

/* ── Modal shared styles ─────────────────────────────────────────────────── */
.sv2-modal-box {
    background: var(--bg-secondary, #13131f);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    padding: 0;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.sv2-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
}
.sv2-modal-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}
.sv2-modal-close {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 18px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: background 0.15s;
}
.sv2-modal-close:hover { background: var(--color-surface); }
.sv2-modal-body { padding: 20px; }
.sv2-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 14px 20px;
    border-top: 1px solid var(--color-border);
}

/* ═══════════════════════════════════════════════════════════
   INTEGRATIONS PANEL (Phase 18Q.1)
   ═══════════════════════════════════════════════════════════ */

.sv2-integration-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    margin-bottom: 8px;
    transition: border-color 0.15s, background 0.15s;
}
.sv2-integration-card:hover {
    border-color: rgba(99, 102, 241, 0.4);
    background: var(--color-surface-hover);
}
.sv2-integration-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.sv2-integration-icon svg {
    width: 18px;
    height: 18px;
}
.sv2-integration-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1px;
}
.sv2-integration-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1.3;
}
.sv2-integration-desc {
    font-size: 12px;
    color: var(--color-text-secondary);
    line-height: 1.3;
}
.sv2-integration-account {
    font-size: 11px;
    color: var(--color-accent);
    font-weight: 500;
    margin-top: 2px;
}
.sv2-integration-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.sv2-integration-badge {
    font-size: 10px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.sv2-integration-badge.connected {
    background: rgba(34, 197, 94, 0.12);
    color: #22c55e;
}
.sv2-integration-badge.available {
    background: rgba(148, 163, 184, 0.08);
    color: var(--color-text-secondary);
}
.sv2-integration-badge.coming-soon {
    background: rgba(148, 163, 184, 0.08);
    color: var(--text-tertiary, #64748b);
}
.sv2-integration-badge.error {
    background: rgba(248, 113, 113, 0.1);
    color: #f87171;
}
.sv2-integration-action {
    font-size: 12px;
    font-weight: 500;
    padding: 5px 12px;
    border-radius: 6px;
    cursor: pointer;
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text-primary);
    transition: all 0.15s;
    white-space: nowrap;
}
.sv2-integration-action.sv2-btn-primary {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}
.sv2-integration-action.sv2-btn-primary:hover {
    opacity: 0.9;
}
.sv2-btn-danger {
    background: rgba(248, 113, 113, 0.15);
    color: #f87171;
    border: 1px solid rgba(248, 113, 113, 0.3);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}
.sv2-btn-danger:hover {
    background: rgba(248, 113, 113, 0.25);
    border-color: #f87171;
}

/* Integrations panel disconnect modal overlay */
#integration-disconnect-modal {
    position: fixed;
    inset: 0;
    z-index: 400;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
}


/* ── INTEGRATIONS REFINEMENT v2 ── */
#integrations-list {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 8px;
}
#integrations-panel .sv2-mem-stats {
    max-width: 720px;
    margin: 0 auto 20px auto;
}
#integrations-panel .sv2-mem-header {
    max-width: 720px;
    margin: 0 auto;
}
.sv2-integration-card {
    padding: 12px 14px;
    border-radius: 8px;
    gap: 12px;
}
.sv2-integration-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
}
.sv2-integration-icon svg {
    width: 16px;
    height: 16px;
}
.sv2-integration-name { font-size: 13.5px; }
.sv2-integration-desc { font-size: 12px; }
.sv2-integration-account { font-size: 11px; }
.sv2-integration-badge {
    font-size: 9.5px;
    padding: 2px 7px;
    letter-spacing: 0.3px;
}
.sv2-integration-action {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 5px;
}
/* Disconnect button: subtle, not aggressive */
.sv2-integration-action[onclick*="disconnect"] {
    color: var(--color-text-secondary) !important;
    border-color: var(--color-border) !important;
    background: transparent !important;
}
.sv2-integration-action[onclick*="disconnect"]:hover {
    color: #f87171 !important;
    border-color: rgba(248, 113, 113, 0.4) !important;
    background: rgba(248, 113, 113, 0.06) !important;
}

/* === Phase 19D Step 7 — Trial Urgency Banner (v3 — premium, flat, sleek) === */
.trial-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    font-size: 12.5px;
    line-height: 1.4;
    color: #fff;
    box-shadow: 0 1px 0 rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.05);
}
.trial-banner-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 100%;
    margin: 0 auto;
    padding: 7px 18px;
}
.trial-banner-icon {
    font-size: 14px;
    flex-shrink: 0;
    line-height: 1;
}
.trial-banner-text {
    flex: 1;
    min-width: 0;
    font-weight: 500;
    color: #fff;
    letter-spacing: 0.01em;
}
.trial-banner-cta {
    flex-shrink: 0;
    padding: 5px 13px;
    border: none;
    border-radius: 6px;
    font-size: 11.5px;
    font-weight: 600;
    cursor: pointer;
    background: rgba(255,255,255,0.95);
    color: #18181b;
    letter-spacing: 0.01em;
    transition: background 0.15s, transform 0.1s;
}
.trial-banner-cta:hover {
    background: #fff;
    transform: translateY(-1px);
}
.trial-banner-cta:active {
    transform: translateY(0);
}
.trial-banner-dismiss {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    padding: 0;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    background: transparent;
    color: #fff;
    opacity: 0.75;
    transition: opacity 0.15s, background 0.15s;
}
.trial-banner-dismiss:hover {
    opacity: 1;
    background: rgba(255,255,255,0.14);
}

/* Push app-shell down when banner visible */
body.has-trial-banner .app-shell {
    padding-top: 34px;
    height: 100vh;
    box-sizing: border-box;
}

/* Tier: Calm — 8 to 14 days (deep purple, premium) */
.trial-banner.tier-calm {
    background: #6d28d9;
}

/* Tier: Nudge — 4 to 7 days (deep amber) */
.trial-banner.tier-nudge {
    background: #b45309;
}

/* Tier: Warn — 2 to 3 days (deep orange) */
.trial-banner.tier-warn {
    background: #c2410c;
}

/* Tier: Urgent — 1 day or 0 (deep red, pulse, no dismiss) */
.trial-banner.tier-urgent {
    background: #b91c1c;
    animation: trial-banner-pulse 2.4s ease-in-out infinite;
}
@keyframes trial-banner-pulse {
    0%, 100% { box-shadow: 0 1px 0 rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.05); }
    50%      { box-shadow: 0 1px 0 rgba(0,0,0,0.08), 0 2px 14px rgba(185,28,28,0.55); }
}

@media (max-width: 640px) {
    .trial-banner-inner {
        padding: 7px 12px;
        gap: 9px;
    }
    .trial-banner-text {
        font-size: 11.5px;
    }
    .trial-banner-cta {
        padding: 4px 10px;
        font-size: 11px;
    }
    body.has-trial-banner .app-shell {
        padding-top: 36px;
    }
}