/**
 * Shared shell: side drawer, header, overlay, toast, page chrome
 */

/* ---- App layout ---- */
/* full-bleed shell; never a floating “column” with its own fill */
html,
body {
  background-color: var(--bg-color);
  transition: none !important;
}

.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  min-height: 100vh;
  width: 100%;
  max-width: none !important;
  margin: 0 !important;
  padding: 0 !important;
  box-sizing: border-box;
  /* only animate side padding for menu, never background */
  transition: padding-left 0.35s cubic-bezier(0.32, 0.72, 0, 1);
  background: transparent !important;
}

.app-container.menu-expanded {
  padding-left: var(--menu-width) !important;
}

.app-container.menu-collapsed {
  padding-left: var(--menu-collapsed-width) !important;
}

.app-container main {
  flex: 1;
  width: 100%;
  max-width: 1080px; /* general pages; index tightens via page-index */
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing) calc(var(--spacing-xl) + var(--safe-bottom));
  box-sizing: border-box;
}

/* ---- Side menu ---- */
.side-menu {
  position: fixed;
  top: 0;
  left: 0;
  height: 100dvh;
  height: 100vh;
  width: var(--menu-width);
  background: var(--glass-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-right: 1px solid var(--border-color);
  box-shadow: none;
  z-index: var(--z-drawer);
  display: flex;
  flex-direction: column;
  overflow: visible; /* toggle must not be clipped when collapsed */
  padding-top: var(--safe-top);
  padding-bottom: var(--safe-bottom);
  will-change: width;
  transition: width 0.28s cubic-bezier(0.32, 0.72, 0, 1);
}

.side-menu::before {
  display: none;
}

.side-menu.collapsed {
  width: var(--menu-collapsed-width);
}

.menu-header {
  height: auto;
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 10px;
  border-bottom: 1px solid var(--divider-color);
  background: transparent;
  box-shadow: none;
  position: relative;
  overflow: visible;
  flex-shrink: 0;
  gap: 4px;
}

body.dark-mode .menu-header {
  background: transparent;
}

.menu-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  overflow: hidden;
  flex: 1;
}

.menu-logo img {
  height: 32px;
  width: 32px;
  min-width: 32px;
  object-fit: contain;
  border-radius: 8px;
  filter: none;
}

.menu-logo h1 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  white-space: nowrap;
  background: none;
  -webkit-text-fill-color: unset;
  color: var(--text-color);
  margin: 0;
}

.side-menu.collapsed .menu-logo h1,
.side-menu.collapsed .menu-item-text,
.side-menu.collapsed .menu-category,
.side-menu.collapsed .menu-footer span {
  opacity: 0;
  width: 0;
  overflow: hidden;
  pointer-events: none;
}

/* kill legacy absolute hang-off from menu-system.css (right:-12px gets clipped) */
.side-menu .menu-header .menu-toggle,
#sideMenu .menu-toggle {
  position: relative !important;
  right: auto !important;
  top: auto !important;
  left: auto !important;
  transform: none !important;
  width: 40px !important;
  height: 40px !important;
  min-width: 40px;
  min-height: 40px;
  border-radius: 10px !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-color) !important;
  background: var(--fill-tertiary) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: none !important;
  flex-shrink: 0;
  z-index: 20;
  transition: background 0.12s ease, transform 80ms ease-out !important;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;
  font-size: 1.25rem;
  line-height: 1;
  padding: 0;
  margin: 0;
}

#sideMenu .menu-toggle:hover {
  background: var(--fill-secondary) !important;
  color: var(--text-color) !important;
  transform: none !important;
  box-shadow: none !important;
}

#sideMenu .menu-toggle:active {
  transform: scale(0.92) !important;
  background: var(--fill-primary) !important;
}

#sideMenu .menu-toggle i,
#sideMenu .menu-toggle svg {
  pointer-events: none;
  color: inherit !important;
  transition: transform 0.25s cubic-bezier(0.32, 0.72, 0, 1) !important;
  transform: none !important;
  width: auto !important;
  height: auto !important;
}

#sideMenu.collapsed .menu-toggle i,
#sideMenu.collapsed .menu-toggle svg {
  transform: rotate(180deg) !important;
}

/* collapsed: keep row layout, center content in narrow rail */
#sideMenu.collapsed .menu-header {
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 12px 8px;
}

#sideMenu.collapsed .menu-logo {
  justify-content: center;
  flex: 0;
}

.menu-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  padding: 8px 10px 16px;
  -webkit-overflow-scrolling: touch;
  min-height: 0; /* allow flex child to scroll while parent overflow visible */
}

.menu-category {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-lighter);
  padding: 14px 12px 6px;
  margin: 0;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  margin: 2px 0;
  border-radius: 10px;
  color: var(--text-color);
  text-decoration: none;
  position: relative;
  transition: background 0.15s ease, transform 100ms ease-out;
  min-height: 44px;
  box-sizing: border-box;
}

.menu-item:hover {
  background: var(--fill-tertiary);
}

.menu-item.active {
  background: rgba(59, 130, 246, 0.12);
  color: var(--primary-dark);
  font-weight: 500;
}

body.dark-mode .menu-item.active {
  background: rgba(59, 130, 246, 0.2);
  color: var(--primary-light);
}

.menu-item-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
  color: inherit;
  opacity: 0.9;
}

.menu-item-text {
  font-size: 0.9375rem;
  white-space: nowrap;
}

.menu-tooltip {
  display: none;
}

.side-menu.collapsed .menu-item {
  justify-content: center;
  padding: 12px;
}

.side-menu.collapsed .menu-item:hover .menu-tooltip {
  display: block;
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--card-bg);
  color: var(--text-color);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.8125rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  white-space: nowrap;
  z-index: 10;
}

.menu-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--divider-color);
  font-size: 0.75rem;
  color: var(--text-lighter);
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
}

/* ---- Overlay ---- */
.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: var(--z-overlay);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  /* no blur — less "stuck frosted glass" feel if close races */
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.menu-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* ---- Header ---- */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  height: calc(var(--header-height) + var(--safe-top));
  min-height: calc(var(--header-height) + var(--safe-top));
  padding: var(--safe-top) 16px 0 !important;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  box-sizing: border-box;
  background: var(--glass-bg) !important;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-color) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  transition: none !important; /* no lag vs page bg on theme toggle */
}

.header::before {
  display: none !important;
}

body.dark-mode .header {
  background: var(--glass-bg) !important;
  border-bottom-color: var(--border-color) !important;
  box-shadow: none !important;
}

.header-left,
.header-right,
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: inherit;
}

.logo-img,
.logo img {
  height: 28px;
  width: 28px;
  object-fit: contain;
  border-radius: 7px;
}

.logo h1 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  background: none !important;
  -webkit-text-fill-color: unset !important;
  color: var(--text-color) !important;
  margin: 0;
}

.mobile-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--text-color);
  font-size: 1.35rem;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.mobile-menu-toggle:active {
  background: var(--fill-tertiary);
  transform: scale(0.94);
}

.header-action-btn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--text-color);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.header-action-btn:hover {
  background: var(--fill-tertiary);
}

/* Theme toggle — proper iOS-like switch, no icon overflow */
.theme-toggle {
  position: relative !important;
  width: 46px !important;
  height: 28px !important;
  min-width: 46px;
  min-height: 28px;
  border-radius: 999px !important;
  background: var(--fill-secondary) !important;
  cursor: pointer;
  display: inline-flex !important;
  align-items: center;
  justify-content: flex-start;
  margin: 0 !important;
  padding: 0 !important;
  box-shadow: inset 0 0 0 1px var(--border-color) !important;
  overflow: hidden !important; /* clip any stray icons */
  flex-shrink: 0;
  transition: background 0.2s ease !important;
}

.theme-toggle input {
  position: absolute !important;
  opacity: 0 !important;
  width: 0 !important;
  height: 0 !important;
  pointer-events: none;
}

/* sliding knob carries the current icon */
.theme-toggle-icon {
  position: absolute !important;
  top: 2px !important;
  left: 2px !important;
  width: 24px !important;
  height: 24px !important;
  border-radius: 50% !important;
  background: #fff !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.18) !important;
  display: flex !important;
  align-items: center;
  justify-content: center;
  font-size: 13px !important;
  color: #f59e0b !important;
  transition: transform 0.22s cubic-bezier(0.32, 0.72, 0, 1), background 0.2s ease, color 0.2s ease !important;
  transform: translateX(0) !important;
  gap: 0 !important;
  overflow: hidden;
}

/* only one glyph visible at a time */
.theme-toggle-icon .ri-sun-line,
.theme-toggle-icon .ri-moon-line {
  position: absolute !important;
  transition: opacity 0.15s ease, transform 0.15s ease !important;
  font-size: 13px !important;
}

.theme-toggle-icon .ri-sun-line {
  opacity: 1 !important;
  transform: scale(1) !important;
}

.theme-toggle-icon .ri-moon-line {
  opacity: 0 !important;
  transform: scale(0.5) !important;
}

/* checked / dark: knob slides right, moon shows */
.theme-toggle input:checked + .theme-toggle-icon,
body.dark-mode .theme-toggle-icon {
  transform: translateX(18px) !important;
  background: #1c1c1e !important;
  color: #60a5fa !important;
}

.theme-toggle input:checked + .theme-toggle-icon .ri-sun-line,
body.dark-mode .theme-toggle-icon .ri-sun-line {
  opacity: 0 !important;
  transform: scale(0.5) !important;
}

.theme-toggle input:checked + .theme-toggle-icon .ri-moon-line,
body.dark-mode .theme-toggle-icon .ri-moon-line {
  opacity: 1 !important;
  transform: scale(1) !important;
}

body.dark-mode .theme-toggle {
  background: rgba(120, 120, 128, 0.36) !important;
}

.theme-toggle:hover {
  background: var(--fill-primary) !important;
}

/* side-menu active: simple fill, no neon left bar / gradient / slide */
#sideMenu .menu-item,
.side-menu .menu-item {
  transform: none !important;
  box-shadow: none !important;
}

#sideMenu .menu-item:hover,
.side-menu .menu-item:hover {
  transform: none !important;
  background: var(--fill-tertiary) !important;
  box-shadow: none !important;
}

#sideMenu .menu-item.active,
.side-menu .menu-item.active {
  background: rgba(59, 130, 246, 0.14) !important;
  color: var(--primary-color) !important;
  box-shadow: none !important;
  border: none !important;
  font-weight: 500 !important;
  transform: none !important;
}

#sideMenu .menu-item.active .menu-item-icon,
.side-menu .menu-item.active .menu-item-icon {
  color: var(--primary-color) !important;
  transform: none !important;
}

#sideMenu .menu-item::before,
#sideMenu .menu-item::after,
#sideMenu .menu-item:before,
#sideMenu .menu-item:after,
.side-menu .menu-item::before,
.side-menu .menu-item::after,
.side-menu .menu-item:before,
.side-menu .menu-item:after {
  display: none !important;
  content: none !important;
  background: none !important;
  transform: none !important;
}

.login-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--primary-color);
  color: #fff !important;
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 500;
  border: none;
  height: 32px;
  min-height: 32px;
  line-height: 1;
  box-sizing: border-box;
  transition: opacity 0.15s ease, transform 100ms ease-out;
}

.login-btn i {
  font-size: 0.95rem;
}

.login-btn:hover {
  opacity: 0.92;
}

/* match height with nearby icon buttons cluster */
.header-actions .login-btn {
  height: 36px;
  min-height: 36px;
  padding: 0 14px;
  font-size: 0.8125rem;
}

/* User dropdown — hover bridge so mouse can travel to menu */
.user-dropdown {
  position: relative;
}

.user-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px 6px 6px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-color);
  cursor: pointer;
  font-size: 0.875rem;
  min-height: 40px;
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--fill-secondary) !important; /* neutral, not blue gradient */
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
  color: var(--text-light);
}

/* when real photo is present, no colored plate behind it */
.user-avatar:has(img),
.user-avatar:has(.user-avatar-img),
.user-avatar.has-photo {
  background: transparent !important;
  box-shadow: none !important;
}

.user-avatar img,
.user-avatar .user-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

/* kill legacy camera emoji / dark overlay on header avatars */
.user-avatar::before,
.user-avatar::after,
.header .user-avatar:hover::before,
.header .user-avatar:hover::after,
.user-dropdown .user-avatar::before,
.user-dropdown .user-avatar::after {
  content: none !important;
  display: none !important;
  opacity: 0 !important;
}

.user-avatar:hover {
  transform: none !important;
  box-shadow: none !important;
}

/* consistent header action cluster */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-action-btn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--text-color);
  font-size: 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

.header-action-btn:hover {
  background: var(--fill-tertiary);
}

.user-dropdown-content {
  position: absolute;
  right: 0;
  top: 100%;
  /* no dead gap: padding-top is invisible hit area under the button */
  margin-top: 0;
  padding: 10px 0 0;
  min-width: 180px;
  background: transparent;
  border: none;
  box-shadow: none;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(4px);
  transform-origin: top right;
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
  z-index: calc(var(--z-header) + 10);
}

/* real menu surface */
.user-dropdown-content::after {
  content: '';
  position: absolute;
  inset: 10px 0 0 0;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  z-index: -1;
  pointer-events: none;
}

.user-dropdown-content .dropdown-item {
  position: relative;
  z-index: 1;
  margin: 0 6px;
}

.user-dropdown-content .dropdown-item:first-child {
  margin-top: 6px;
}

.user-dropdown-content .dropdown-item:last-child {
  margin-bottom: 6px;
}

/* hover whole control OR click-pinned .active OR keyboard focus */
.user-dropdown:hover .user-dropdown-content,
.user-dropdown.active .user-dropdown-content,
.user-dropdown:focus-within .user-dropdown-content {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
  display: block; /* beat style.css display:none */
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-color);
  text-decoration: none;
  font-size: 0.9rem;
}

.dropdown-item:hover {
  background: var(--fill-tertiary);
}

/* ---- Footer ---- */
.footer {
  text-align: center;
  padding: 24px 16px calc(24px + var(--safe-bottom));
  color: var(--text-lighter);
  font-size: 0.8125rem;
  border-top: none;
  background: transparent;
}

.footer a {
  color: var(--primary-color);
  text-decoration: none;
}

/* ---- Page loader (instant, quiet) ---- */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  background: var(--bg-color);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.page-loader.loaded,
.page-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-content {
  text-align: center;
}

.loader-brand {
  margin-top: 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
  letter-spacing: -0.01em;
}

.loader {
  width: 36px;
  height: 36px;
  margin: 0 auto;
  position: relative;
}

.loader-circle {
  position: absolute;
  inset: 0;
  border: 2px solid transparent;
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: dk-spin 0.7s linear infinite;
}

.loader-circle:nth-child(2),
.loader-circle:nth-child(3),
.loader-dot {
  display: none;
}

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

/* Hide legacy scroll progress / page transition chrome noise */
.scroll-progress-container,
.page-transition {
  display: none !important;
}

/* Back to top */
.back-to-top {
  position: fixed;
  right: calc(16px + var(--safe-right));
  bottom: calc(24px + var(--safe-bottom));
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: var(--z-header);
  cursor: pointer;
  color: var(--text-color);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

/* Body scroll lock (shell.js sets class) */
body.dk-scroll-lock {
  overflow: hidden;
  position: fixed;
  width: 100%;
  left: 0;
  right: 0;
}

/* Kill legacy mobile-menu if still in DOM */
.mobile-menu,
.mobile-menu-overlay {
  display: none !important;
}

/* ---- Mobile drawer behavior ---- */
@media (max-width: 768px) {
  /* CRITICAL: beat desktop !important padding-left or content becomes a thin strip */
  .app-container,
  .app-container.menu-expanded,
  .app-container.menu-collapsed {
    padding-left: 0 !important;
    padding-right: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .side-menu {
    width: min(320px, 86vw) !important;
    transform: translateX(-105%);
    box-shadow: var(--shadow-lg);
    border-right: 1px solid var(--border-color);
  }

  .side-menu.collapsed {
    width: min(320px, 86vw) !important;
  }

  .side-menu.collapsed .menu-logo h1,
  .side-menu.collapsed .menu-item-text,
  .side-menu.collapsed .menu-category,
  .side-menu.collapsed .menu-footer span {
    opacity: 1;
    width: auto;
    pointer-events: auto;
  }

  .side-menu.collapsed .menu-item {
    justify-content: flex-start;
    padding: 10px 12px;
  }

  .menu-toggle,
  #sideMenu .menu-toggle,
  .side-menu .menu-header .menu-toggle {
    display: none !important;
  }

  .mobile-menu-toggle {
    display: inline-flex !important;
  }

  .header {
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 12px !important;
    padding-right: 12px !important;
  }

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

  .logo {
    min-width: 0;
  }

  .logo h1 {
    font-size: 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 42vw;
  }

  .login-btn span {
    display: none;
  }

  .login-btn {
    width: 40px;
    height: 40px;
    padding: 0;
    justify-content: center;
    border-radius: 10px;
  }

  #userDisplayName {
    display: none !important;
  }

  .app-container main {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 16px 16px calc(24px + var(--safe-bottom)) !important;
    box-sizing: border-box;
  }
}

@media (min-width: 769px) {
  .side-menu {
    transform: none !important;
  }

  .menu-overlay {
    display: none !important;
  }
}