.header-mobile-panel[hidden] {
  display: none !important;
}

.filter-accordion-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(51, 65, 85, 0.85);
  background-color: rgba(15, 23, 42, 0.92);
  color: #e2e8f0;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 150ms ease, background-color 150ms ease, box-shadow 150ms ease;
}

.filter-accordion-summary::-webkit-details-marker {
  display: none;
}

.filter-accordion-summary:focus-visible {
  outline: 2px solid rgba(59, 130, 246, 0.85);
  outline-offset: 3px;
}

.filter-accordion-summary:hover {
  background-color: rgba(30, 41, 59, 0.96);
}

[data-filter-accordion] .filter-accordion-icon {
  transition: transform 180ms ease;
}

[data-filter-accordion][open] .filter-accordion-icon {
  transform: rotate(180deg);
}

[data-filter-accordion] .filter-accordion-content {
  margin-top: 0.75rem;
  padding: 0.75rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(51, 65, 85, 0.7);
  background-color: rgba(15, 23, 42, 0.94);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.4);
}

[data-filter-accordion][data-filters-active="true"] .filter-accordion-summary {
  border-color: rgba(59, 130, 246, 0.6);
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.35);
}

.sort-controls {
  width: 100%;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.sort-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(51, 65, 85, 0.85);
  background-color: rgba(15, 23, 42, 0.92);
  color: #60a5fa;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: border-color 150ms ease, background-color 150ms ease, box-shadow 150ms ease;
}

.sort-toggle::after {
  content: '\25BE';
  font-size: 0.85rem;
  color: rgba(148, 163, 184, 0.9);
}

.sort-toggle:hover {
  background-color: rgba(30, 41, 59, 0.96);
  border-color: rgba(59, 130, 246, 0.45);
}

.sort-toggle:focus-visible {
  outline: 2px solid rgba(59, 130, 246, 0.85);
  outline-offset: 3px;
}

.sort-controls #sort-status {
  margin-left: auto;
}

.sort-menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.72);
  backdrop-filter: blur(2px);
  z-index: 60;
}

.sort-menu {
  position: fixed !important;
  inset: auto 0 0 0;
  width: 100% !important;
  max-width: none;
  margin: 0 !important;
  border-radius: 1.25rem 1.25rem 0 0 !important;
  border: none !important;
  background: transparent;
  box-shadow: 0 -24px 48px rgba(15, 23, 42, 0.55);
  top: auto !important;
  right: 0;
  left: 0;
  transform: translateY(100%);
  transition: transform 200ms ease;
  z-index: 70 !important;
}

.sort-menu.sheet-open {
  transform: translateY(0);
}

.sort-menu-panel {
  border-radius: 1.25rem 1.25rem 0 0;
  border: 1px solid rgba(51, 65, 85, 0.7);
  background-color: rgba(15, 23, 42, 0.98);
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sort-menu-header {
  position: sticky;
  top: 0;
  background: rgba(15, 23, 42, 0.98);
  z-index: 1;
}

.sort-menu-list {
  flex: 1;
  overflow-y: auto;
}

.sort-menu-option {
  width: 100%;
  padding: 0.9rem 1.25rem;
  text-align: left;
}

.sort-menu-list > .border-t {
  border-color: rgba(51, 65, 85, 0.65) !important;
}

.sort-menu-close {
  padding: 0.5rem 0.75rem;
}

@media (max-width: 768px) {
  .header-desktop-tabs {
    display: none !important;
  }

  .header-mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .header-mobile-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    border-radius: 0.75rem;
    border: 1px solid rgba(51, 65, 85, 0.8);
    background-color: rgba(15, 23, 42, 0.85);
    color: #e2e8f0;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-weight: 500;
    transition: background-color 150ms ease, border-color 150ms ease;
  }

  .header-mobile-toggle:hover {
    background-color: rgba(30, 41, 59, 0.92);
    border-color: rgba(59, 130, 246, 0.45);
  }

  .header-mobile-toggle:focus-visible {
    outline: 2px solid rgba(59, 130, 246, 0.85);
    outline-offset: 3px;
  }

  .header-mobile-toggle-label {
    flex: 1;
    text-align: left;
  }

  .header-mobile-toggle-icon {
    width: 1.5rem;
    height: 1.5rem;
  }

  .header-mobile-panel {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(51, 65, 85, 0.8);
    background-color: rgba(15, 23, 42, 0.96);
    padding: 0.75rem;
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.55);
  }

  .header-mobile-tablist {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .header-mobile-tablist-inner {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 0.25rem;
    scroll-snap-type: x proximity;
  }

  .header-mobile-tablist-inner::-webkit-scrollbar {
    height: 6px;
  }

  .header-mobile-tablist-inner::-webkit-scrollbar-thumb {
    background-color: rgba(71, 85, 105, 0.8);
    border-radius: 999px;
  }

  .header-mobile-tab {
    scroll-snap-align: start;
    flex: 0 0 auto;
  }

  .header-mobile-tab button.switch:focus-visible,
  .header-mobile-add:focus-visible {
    outline: 2px solid rgba(59, 130, 246, 0.85);
    outline-offset: 3px;
  }

  .header-mobile-add {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .grid-scroll-area {
    padding-bottom: 0.5rem;
  }

  .grid-scroll-viewport {
    padding: 0 1rem 1rem;
    scroll-snap-type: x mandatory;
    scroll-padding-left: 1rem;
    scroll-padding-right: 1rem;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
  }

  .responsive-grid {
    gap: 1rem;
    min-width: max(100%, calc(100vw - 2rem));
  }

  .responsive-grid > .column {
    flex: 0 0 clamp(280px, calc(100vw - 3rem), 360px);
    max-width: clamp(280px, calc(100vw - 3rem), 360px);
  }

  .grid-scroll-arrow {
    display: none !important;
  }

  .grid-scroll-pagination {
    display: flex;
    gap: 0.375rem;
    padding: 0.25rem 0 0.75rem;
  }

  .grid-scroll-pagination-dot {
    width: 8px;
    height: 8px;
  }

  .grid-scroll-pagination-dot.is-active {
    transform: scale(1.6);
  }

  .dash-container {
    padding: 12px !important;
  }

  .add-tile {
    height: 60px !important;
  }

  .stock-card {
    padding: 12px !important;
  }

  .tabbar {
    overflow-x: auto;
  }

  .dashboard-filter-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .symbol-filter-form {
    width: 100%;
  }

  .filter-accordion-grid {
    gap: 1rem;
  }

  .filter-field {
    width: 100%;
  }

  .filter-field select {
    width: 100%;
  }

  .sort-controls {
    align-items: stretch;
  }

  .sort-controls #sort-status {
    display: inline-flex;
    align-items: center;
    width: 100%;
    justify-content: flex-start;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  #resources-menu,
  #settings-menu {
    width: min(18rem, calc(100vw - 2rem));
    max-width: calc(100vw - 2rem);
  }

  #notifications-menu {
    width: min(22rem, calc(100vw - 2rem));
    max-width: calc(100vw - 2rem);
  }

  .dropdown-layer[data-layer-mode="mobile"] {
    position: fixed !important;
    inset: var(--dropdown-layer-top, 64px) 1rem auto 1rem;
    margin-top: 0 !important;
    display: flex !important;
    align-items: flex-start;
    justify-content: center;
    pointer-events: none;
    z-index: 70 !important;
  }

  .dropdown-layer[data-layer-mode="mobile"] > * {
    pointer-events: auto;
  }

  .dropdown-layer[data-layer-mode="mobile"] > .dropdown-panel,
  .dropdown-layer[data-layer-mode="mobile"] > .notifications-menu {
    width: min(22rem, calc(100vw - 2rem));
    max-width: calc(100vw - 2rem);
    max-height: var(--dropdown-max-height, 80vh);
  }

  .dropdown-layer[data-layer-mode="mobile"][data-dropdown-fullwidth="true"] > .dropdown-panel,
  .dropdown-layer[data-layer-mode="mobile"][data-dropdown-fullwidth="true"] > .notifications-menu {
    width: calc(100vw - 2rem);
  }
}