/* === LAYOUT — Premium Light Theme with Depth === */

body {
  font-family: var(--font-main);
  font-size: var(--fs-base);
  font-weight: var(--fw-normal);
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

/* App shell */
.app {
  display: grid;
  grid-template-rows: var(--header-height) 1fr;
  grid-template-columns: var(--sidebar-width) 1fr var(--ad-panel-width);
  grid-template-areas:
    "header  header  header"
    "sidebar main   ad-panel";
  min-height: 100vh;
}

/* ====== HEADER ====== */
.header {
  grid-area: header;
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  border-bottom: 1px solid rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.06);
  height: var(--header-height);
  box-shadow: 0 1px 12px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.04);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.header__logo:hover {
  opacity: 0.8;
}

.header__logo svg {
  width: 28px;
  height: 28px;
  filter: drop-shadow(0 2px 4px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.2));
}

/* Search — flex-centered in header */
.header__search {
  flex: 1;
  min-width: 0;
  max-width: 480px;
  display: flex;
  align-items: center;
  margin: 0 var(--space-4);
  position: relative;
}

.header__search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-tertiary);
  pointer-events: none;
  z-index: 1;
  transition: color var(--transition-fast);
}

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

.header__search-input {
  width: 100%;
  height: 40px;
  padding: 0 var(--space-4) 0 40px;
  background: var(--color-surface-2);
  border: 1.5px solid rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.08);
  border-radius: var(--radius-xl);
  color: var(--color-text);
  font-size: var(--fs-sm);
  transition: all var(--transition-base);
}

.header__search-input::placeholder {
  color: var(--color-text-tertiary);
}

.header__search-input:focus {
  background: var(--color-bg-pure);
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.08), 0 4px 16px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.06);
  outline: none;
}

.header__search:focus-within .header__search-icon {
  color: var(--color-primary);
}

.header__search-kbd {
  display: none;
}

/* Autocomplete wrapper inside header search should fill width */
.header__search .sac-wrapper {
  flex: 1;
  min-width: 0;
}

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

.header__action-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.header__action-btn:hover {
  background: var(--color-primary-ghost);
  color: var(--color-primary);
}

.header__action-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Notification bell — bigger for visibility */
.notif-btn-wrap .header__action-btn svg {
  width: 22px;
  height: 22px;
}

.header__lang-btn {
  font-family: var(--font-arabic);
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary-lighter);
  border-radius: var(--radius-full);
  height: 36px;
  padding: 0 var(--space-3);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  transition: all var(--transition-fast);
  background: var(--color-primary-ghost);
}

.header__lang-btn:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow-primary);
}

.header__auth-btn {
  background: linear-gradient(135deg, var(--color-auth), #e11d48);
  color: #fff;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px rgba(244, 63, 94, 0.2);
}

.header__auth-btn:hover {
  background: linear-gradient(135deg, var(--color-auth-hover), var(--color-auth));
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(244, 63, 94, 0.3);
}

.header__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border: 2.5px solid var(--color-primary-lighter);
  cursor: pointer;
  transition: all var(--transition-fast);
  overflow: hidden;
}

.header__avatar:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.1), 0 2px 12px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.2);
}

/* ====== SIDEBAR — Premium with Sliding Indicator ====== */
.sidebar {
  grid-area: sidebar;
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  background: var(--color-bg-pure);
  border-right: 1px solid rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.06);
  display: flex;
  flex-direction: column;
  padding: var(--space-5) var(--space-3);
  overflow-y: auto;
  z-index: var(--z-sidebar);
  box-shadow: 1px 0 16px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.04);
}

.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  position: relative;
}

/* Sliding active indicator — glowing bar on the left */
.sidebar__active-indicator {
  position: absolute;
  left: 0;
  width: 3.5px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-light));
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
  box-shadow: 2px 0 12px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.3), 4px 0 24px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.1);
  transition: top 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
              height 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 0.3s ease;
  opacity: 0;
  z-index: 2;
  pointer-events: none;
}

.sidebar__active-indicator.visible {
  opacity: 1;
}

/* Sidebar link — stagger entrance */
.sidebar__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
  /* Stagger entrance animation */
  opacity: 0;
  animation: sidebarItemEnter 0.45s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* Stagger delays */
.sidebar__nav:first-child .sidebar__link:nth-child(1) { animation-delay: 0.05s; }
.sidebar__nav:first-child .sidebar__link:nth-child(2) { animation-delay: 0.1s; }
.sidebar__nav:first-child .sidebar__link:nth-child(3) { animation-delay: 0.15s; }
.sidebar__nav:first-child .sidebar__link:nth-child(4) { animation-delay: 0.2s; }
.sidebar__nav:first-child .sidebar__link:nth-child(5) { animation-delay: 0.25s; }

.sidebar__nav:nth-child(3) .sidebar__link:nth-child(1) { animation-delay: 0.32s; }
.sidebar__nav:nth-child(3) .sidebar__link:nth-child(2) { animation-delay: 0.37s; }
.sidebar__nav:nth-child(3) .sidebar__link:nth-child(3) { animation-delay: 0.42s; }

/* Hover — enhanced */
.sidebar__link:hover {
  background: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.06);
  color: var(--color-primary);
  padding-left: calc(var(--space-4) + 3px);
}

/* Active state — highlighted background, no more ::before */
.sidebar__link.active {
  background: linear-gradient(135deg, rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.10), rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.04));
  color: var(--color-primary);
  font-weight: var(--fw-semibold);
  border: 1px solid rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.10);
}

.sidebar__link.active svg {
  color: var(--color-primary);
  filter: drop-shadow(0 0 4px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.25));
}

/* Icon styling */
.sidebar__link svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-text-tertiary);
  transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.sidebar__link:hover svg {
  color: var(--color-primary);
  transform: scale(1.15);
}

/* Ripple inside sidebar link */
.sidebar__link .sidebar-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.15);
  animation: sidebarRipple 0.55s ease-out forwards;
  pointer-events: none;
  z-index: 1;
}

.sidebar__separator {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.10), transparent);
  margin: var(--space-4) var(--space-4);
  opacity: 0;
  animation: sidebarItemEnter 0.4s 0.3s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.sidebar__spacer {
  flex: 1;
}

/* Premium button — shimmer effect */
.sidebar__premium-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-3) 0;
  padding: var(--space-3) var(--space-4);
  background: linear-gradient(135deg, var(--color-primary-lighter), rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.06));
  border: 1.5px solid rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.15);
  border-radius: var(--radius-xl);
  color: var(--color-primary);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
  /* Stagger entrance */
  opacity: 0;
  animation: sidebarItemEnter 0.45s 0.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* Shimmer sweep overlay */
.sidebar__premium-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  animation: shimmerSweep 3s ease-in-out infinite;
  animation-delay: 1s;
  pointer-events: none;
}

.sidebar__premium-btn:hover {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow-primary);
  transform: translateY(-2px);
}

.sidebar__premium-btn svg {
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease;
}

.sidebar__premium-btn:hover svg {
  transform: scale(1.15) rotate(-5deg);
}

/* ====== MAIN CONTENT ====== */
.main {
  grid-area: main;
  padding: var(--space-8) var(--space-6);
  overflow-y: auto;
  min-height: calc(100vh - var(--header-height));
  background: var(--color-bg);
  position: relative;
  z-index: var(--z-base);
  display: flex;
  flex-direction: column;
}

.main__content {
  max-width: 960px;
  margin: 0 auto;
  flex: 1;
  width: 100%;
}

/* ====== AD PANEL ====== */
.ad-panel {
  grid-area: ad-panel;
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  background: linear-gradient(180deg, var(--color-surface-2), var(--color-bg));
  border-left: 1px solid rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.04);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-6) var(--space-3);
  overflow: hidden;
}

.ad-panel__text {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: var(--fs-4xl);
  font-weight: var(--fw-bold);
  color: var(--color-surface-2);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  user-select: none;
}

.ad-panel__badge {
  background: var(--color-surface-2);
  border: 1px solid rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.06);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  font-size: var(--fs-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-6);
}

/* ====== RESPONSIVE ====== */

/* --- Hamburger / Mobile menu button --- */
.mobile-menu-btn {
  display: none;       /* shown via JS on ≤900 */
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  flex-shrink: 0;
  padding: 0;
  order: -1;           /* before search bar */
}

.mobile-menu-btn:hover {
  background: var(--color-primary-ghost);
  color: var(--color-primary);
}

.mobile-menu-btn svg {
  width: 22px;
  height: 22px;
}

/* --- Mobile bottom navigation bar --- */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  border-top: 1px solid rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.08);
  box-shadow: 0 -2px 16px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.06);
  padding: var(--space-2) 0;
  padding-bottom: env(safe-area-inset-bottom, var(--space-1));
}

.mobile-bottom-nav__items {
  display: flex;
  justify-content: space-around;
  align-items: center;
  max-width: 480px;
  margin: 0 auto;
}

.mobile-bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  border-radius: var(--radius-lg);
  color: var(--color-text-tertiary);
  font-size: 11px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.01em;
  transition: all var(--transition-fast);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  min-width: 64px;
}

.mobile-bottom-nav__item svg {
  width: 28px;
  height: 28px;
  transition: all var(--transition-fast);
}

.mobile-bottom-nav__item.active {
  color: var(--color-primary);
}

.mobile-bottom-nav__item.active svg {
  filter: drop-shadow(0 2px 6px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.3));
}

.mobile-bottom-nav__item:active {
  transform: scale(0.92);
}

/* ====== Breakpoint: ≤1200px — Collapsed sidebar ====== */
@media (max-width: 1200px) {
  .app {
    grid-template-columns: var(--sidebar-collapsed-width) 1fr var(--ad-panel-width);
  }
  .sidebar__link span { display: none; }
  .sidebar__premium-btn span { display: none; }
  .sidebar {
    padding: var(--space-5) var(--space-2);
  }
  .sidebar__link {
    justify-content: center;
    padding: var(--space-3);
  }
}

/* ====== Breakpoint: ≤1100px — Hide action button labels ====== */
@media (max-width: 1100px) {
  .header__action-btn span {
    display: none;
  }
  .header__action-btn {
    padding: var(--space-2);
  }
  .header__search {
    margin: 0 var(--space-2);
  }
}

/* ====== Breakpoint: ≤900px — Mobile layout ====== */
@media (max-width: 900px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-areas:
      "header"
      "main";
  }

  /* Sidebar: off-canvas drawer */
  .sidebar {
    position: fixed;
    left: 0;
    top: var(--header-height);
    width: var(--sidebar-width);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    z-index: var(--z-sidebar);
    box-shadow: none;
    overscroll-behavior: contain;
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 12px 0 40px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.08);
  }
  .sidebar__link span { display: inline; }
  .sidebar__link { justify-content: flex-start; }
  .sidebar__premium-btn span { display: inline; }

  /* Ad panel hidden */
  .ad-panel { display: none; }

  /* Main: reduce padding, add bottom space for nav */
  .main {
    padding: var(--space-5);
    padding-bottom: calc(var(--space-5) + 80px);
  }

  /* Show bottom nav */
  .mobile-bottom-nav {
    display: block;
  }

  /* Header: linearize */
  .header {
    padding: 0 var(--space-3);
    gap: var(--space-2);
  }

  .header__search {
    max-width: none;
    margin: 0 var(--space-2);
  }

  /* Hide action buttons that are duplicated in sidebar/bottom nav */
  .header__actions .header__action-btn {
    display: none;
  }
}

/* ====== Breakpoint: ≤600px — Small mobile ====== */
@media (max-width: 600px) {
  :root { --header-height: 50px; }

  .header { padding: 0 var(--space-2); }
  .header__logo span { display: none; }
  .header__logo svg { width: 24px; height: 24px; }
  .header__action-btn span { display: none; }
  .header__action-btn { padding: var(--space-2); }
  .header__search-kbd { display: none; }
  .header__search-input {
    padding-right: var(--space-3);
    height: 36px;
    font-size: var(--fs-xs);
  }

  .header__auth-btn {
    padding: var(--space-2) var(--space-3);
    font-size: var(--fs-xs);
  }

  .header__avatar {
    width: 30px;
    height: 30px;
  }

  .main {
    padding: var(--space-3);
    padding-bottom: calc(var(--space-3) + 80px);
  }

  .main__content {
    max-width: 100%;
  }

  /* Hide language switcher on small mobile — saves header space */
  .lang-switcher {
    display: none;
  }
}

/* Mobile overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--header-height);
  background: rgba(30, 27, 75, 0.15);
  backdrop-filter: blur(3px);
  z-index: calc(var(--z-sidebar) - 1);
}
.sidebar-overlay.active { display: block; }

/* ====== LANGUAGE SWITCHER ====== */
.lang-switcher {
  position: relative;
}

.header__lang-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  height: 36px;
  padding: 0 var(--space-3);
  border: 1.5px solid var(--color-primary-lighter);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  background: var(--color-primary-ghost);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.header__lang-btn:hover {
  background: var(--color-primary-lighter);
  border-color: var(--color-primary-light);
}

.header__lang-btn .icon {
  width: 12px;
  height: 12px;
  opacity: 0.6;
  transition: transform var(--transition-fast);
}

.lang-flag {
  display: flex;
  align-items: center;
  line-height: 1;
  border-radius: 3px;
  overflow: hidden;
}

.lang-code {
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: 0.03em;
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  min-width: 180px;
  background: var(--color-bg-pure);
  border: 1px solid rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.08);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-dropdown);
  opacity: 0;
  transform: translateY(-8px) scale(0.96);
  pointer-events: none;
  transition: all var(--transition-fast);
  overflow: hidden;
  padding: var(--space-1);
}

.lang-dropdown.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

.lang-dropdown__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-sm);
  color: var(--color-text-secondary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.lang-dropdown__item:hover {
  background: var(--color-primary-ghost);
  color: var(--color-primary);
}

.lang-dropdown__flag {
  display: flex;
  align-items: center;
  line-height: 1;
  border-radius: 3px;
  overflow: hidden;
  flex-shrink: 0;
}

.lang-dropdown__name {
  flex: 1;
  font-weight: var(--fw-medium);
}

.lang-dropdown__check {
  font-size: var(--fs-sm);
  color: var(--color-primary);
  font-weight: var(--fw-bold);
  width: 16px;
  text-align: center;
}

/* ====== THEME TOGGLE BUTTON ====== */
.header__theme-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--color-text-secondary);
  background: var(--color-primary-ghost);
  border: 1.5px solid rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.10);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.header__theme-btn:hover {
  background: var(--color-primary-lighter);
  color: var(--color-primary);
  border-color: var(--color-primary-light);
  transform: scale(1.1);
  box-shadow: 0 0 16px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.15);
}

.header__theme-btn:active {
  transform: scale(0.92);
}

.header__theme-btn svg {
  width: 18px;
  height: 18px;
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 0.3s ease;
}

/* Radial pulse wave on toggle */
.header__theme-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-primary-light) 0%, transparent 70%);
  opacity: 0;
  transform: scale(0);
  pointer-events: none;
}

.header__theme-btn.animate-icon::after {
  animation: themePulseWave 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.header__theme-btn.animate-icon svg {
  animation: themeIconSwap 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes themeIconSwap {
  0% { transform: scale(0) rotate(-90deg); opacity: 0; }
  50% { transform: scale(1.2) rotate(10deg); opacity: 0.8; }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

@keyframes themePulseWave {
  0% { transform: scale(0); opacity: 0.5; }
  60% { transform: scale(2.5); opacity: 0.2; }
  100% { transform: scale(3); opacity: 0; }
}

/* ====== SIDEBAR — Become Developer Button ====== */
.sidebar__link--become-dev {
  background: linear-gradient(135deg, rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.08), transparent);
  color: var(--color-primary) !important;
  font-weight: var(--fw-semibold);
  border: 1px solid rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.10);
}

.sidebar__link--become-dev .star-fill {
  fill: var(--color-star);
}

.sidebar__link--become-dev:hover {
  background: linear-gradient(135deg, rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.14), rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.04));
  border-color: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.18);
}

[data-theme="dark"] .sidebar__link--become-dev {
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.10), transparent);
  border-color: rgba(129, 140, 248, 0.12);
}

[data-theme="dark"] .sidebar__link--become-dev:hover {
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.16), rgba(129, 140, 248, 0.06));
  border-color: rgba(129, 140, 248, 0.22);
}

/* ====== DARK THEME — Layout Hardcoded Overrides ====== */
[data-theme="dark"] .header {
  background: rgba(22, 26, 37, 0.82);
  border-bottom: 1px solid rgba(129, 140, 248, 0.08);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .header__logo svg {
  filter: drop-shadow(0 2px 4px rgba(129, 140, 248, 0.3));
}

[data-theme="dark"] .header__search-input {
  border-color: rgba(129, 140, 248, 0.10);
}

[data-theme="dark"] .header__search-input:focus {
  box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.12), 0 4px 16px rgba(129, 140, 248, 0.08);
}

[data-theme="dark"] .header__search-kbd {
  background: rgba(129, 140, 248, 0.10);
  border-color: rgba(129, 140, 248, 0.15);
}

[data-theme="dark"] .header__auth-btn {
  box-shadow: 0 2px 8px rgba(251, 113, 133, 0.25);
}

[data-theme="dark"] .header__auth-btn:hover {
  box-shadow: 0 4px 16px rgba(251, 113, 133, 0.35);
}

[data-theme="dark"] .header__avatar {
  border-color: rgba(129, 140, 248, 0.25);
}

[data-theme="dark"] .header__avatar:hover {
  box-shadow: 0 0 0 4px rgba(129, 140, 248, 0.15), 0 2px 12px rgba(129, 140, 248, 0.25);
}

[data-theme="dark"] .header__theme-btn {
  border-color: rgba(129, 140, 248, 0.15);
}

[data-theme="dark"] .sidebar {
  background: var(--color-sidebar-bg);
  border-right-color: rgba(129, 140, 248, 0.06);
  box-shadow: 1px 0 16px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .sidebar__active-indicator {
  box-shadow: 2px 0 12px rgba(129, 140, 248, 0.35), 4px 0 24px rgba(129, 140, 248, 0.15);
}

[data-theme="dark"] .sidebar__link:hover {
  background: rgba(129, 140, 248, 0.08);
}

[data-theme="dark"] .sidebar__link.active {
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.12), rgba(129, 140, 248, 0.05));
  border-color: rgba(129, 140, 248, 0.12);
}

[data-theme="dark"] .sidebar__link.active svg {
  filter: drop-shadow(0 0 4px rgba(129, 140, 248, 0.3));
}

[data-theme="dark"] .sidebar__link .sidebar-ripple {
  background: rgba(129, 140, 248, 0.2);
}

[data-theme="dark"] .sidebar__separator {
  background: linear-gradient(90deg, transparent, rgba(129, 140, 248, 0.12), transparent);
}

[data-theme="dark"] .sidebar__premium-btn {
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.12), rgba(129, 140, 248, 0.04));
  border-color: rgba(129, 140, 248, 0.18);
}

[data-theme="dark"] .sidebar__premium-btn::after {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
}

[data-theme="dark"] .ad-panel {
  border-left-color: rgba(129, 140, 248, 0.06);
}

[data-theme="dark"] .mobile-bottom-nav {
  background: rgba(22, 26, 37, 0.94);
  border-top-color: rgba(129, 140, 248, 0.10);
  box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .mobile-bottom-nav__item.active svg {
  filter: drop-shadow(0 2px 6px rgba(129, 140, 248, 0.35));
}

[data-theme="dark"] .sidebar-overlay {
  background: rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .lang-dropdown {
  border-color: rgba(129, 140, 248, 0.10);
}

[data-theme="dark"] .header__lang-btn {
  border-color: rgba(129, 140, 248, 0.20);
}

[data-theme="dark"] .header__lang-btn:hover {
  background: rgba(129, 140, 248, 0.12);
  border-color: rgba(129, 140, 248, 0.30);
}

@media (max-width: 900px) {
  [data-theme="dark"] .sidebar.open {
    box-shadow: 12px 0 40px rgba(0, 0, 0, 0.5);
  }
}