.header-leading {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.notification-center {
  position: relative;
  flex: 0 0 auto;
}

.notification-center-button,
.notification-close-button,
.notification-filter,
.notification-mark-all,
.notification-action {
  font: inherit;
  cursor: pointer;
}

.notification-center-button {
  position: relative;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  padding: 0;
  color: var(--muted);
  background: rgb(var(--primary-rgb) / 0.07);
  border: 1px solid rgb(var(--primary-rgb) / 0.12);
  border-radius: 14px;
  transition: color 140ms ease, background 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.notification-center-button:hover,
.notification-center-button[aria-expanded="true"] {
  color: var(--primary);
  background: rgb(var(--primary-rgb) / 0.12);
  border-color: rgb(var(--primary-rgb) / 0.24);
}

.notification-center-button:active {
  transform: translateY(1px);
}

.notification-center-button svg,
.notification-empty-icon svg {
  width: 21px;
  height: 21px;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.notification-unread-dot {
  position: absolute;
  top: 6px;
  inset-inline-start: 6px;
  width: 9px;
  height: 9px;
  background: var(--theme-source-color, var(--primary));
  border: 2px solid var(--surface);
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgb(var(--primary-rgb) / 0.16);
}

.notification-unread-dot[hidden] {
  display: none;
}

.notification-center-panel {
  position: absolute;
  z-index: 220;
  top: calc(100% + 12px);
  inset-inline-start: 0;
  display: grid;
  width: min(420px, calc(100vw - 28px));
  max-height: min(650px, calc(100dvh - 96px));
  overflow: hidden;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid rgba(79, 96, 128, 0.17);
  border-radius: 20px;
  box-shadow: 0 24px 64px rgba(20, 29, 48, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.9);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  backdrop-filter: blur(24px) saturate(140%);
}

.notification-center-panel[hidden] {
  display: none;
}

.notification-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 20px 15px;
}

.notification-panel-kicker {
  margin: 0 0 4px;
  color: var(--primary);
  font-size: 11px;
  font-weight: 720;
  letter-spacing: 0.015em;
}

.notification-panel-header h2 {
  margin: 0;
  font-size: 21px;
  letter-spacing: -0.025em;
}

.notification-close-button {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 32px;
  height: 32px;
  padding: 0 0 2px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 10px;
  font-size: 23px;
  line-height: 1;
}

.notification-close-button:hover {
  color: var(--ink);
  background: var(--surface-soft);
}

.notification-panel-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 20px 14px;
  border-bottom: 1px solid rgba(79, 96, 128, 0.12);
}

.notification-filters {
  display: inline-flex;
  gap: 3px;
  padding: 3px;
  background: var(--surface-soft);
  border-radius: 11px;
}

.notification-filter {
  min-height: 30px;
  padding: 5px 11px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 670;
}

.notification-filter.is-active {
  color: var(--ink);
  background: var(--surface);
  box-shadow: 0 1px 5px rgba(20, 29, 48, 0.1);
}

.notification-mark-all {
  padding: 5px 0;
  color: var(--primary);
  background: transparent;
  border: 0;
  font-size: 12px;
  font-weight: 650;
}

.notification-mark-all:hover {
  color: var(--primary-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.notification-list {
  display: grid;
  max-height: 470px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.notification-item {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(79, 96, 128, 0.1);
}

.notification-item.is-unread {
  background: rgb(var(--primary-rgb) / 0.045);
}

.notification-item.is-unread::after {
  position: absolute;
  top: 20px;
  inset-inline-end: 9px;
  width: 6px;
  height: 6px;
  background: var(--theme-source-color, var(--primary));
  border-radius: 50%;
  content: "";
}

.notification-kind-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: var(--primary);
  background: rgb(var(--primary-rgb) / 0.1);
  border-radius: 13px;
  font-size: 18px;
}

.notification-content {
  min-width: 0;
}

.notification-item-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.notification-item-heading strong {
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 13.5px;
}

.notification-item-heading time {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 11px;
}

.notification-content p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.notification-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 11px;
}

.notification-action {
  min-height: 30px;
  padding: 5px 10px;
  color: var(--primary);
  background: rgb(var(--primary-rgb) / 0.08);
  border: 1px solid rgb(var(--primary-rgb) / 0.14);
  border-radius: 9px;
  font-size: 12px;
  font-weight: 650;
}

.notification-action[data-variant="primary"] {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}

.notification-action:hover {
  background: rgb(var(--primary-rgb) / 0.14);
}

.notification-action[data-variant="primary"]:hover {
  background: var(--primary-dark);
}

.notification-empty-state {
  display: grid;
  justify-items: center;
  gap: 8px;
  padding: 46px 28px 50px;
  text-align: center;
}

.notification-empty-state[hidden] {
  display: none;
}

.notification-empty-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: 4px;
  color: var(--primary);
  background: rgb(var(--primary-rgb) / 0.09);
  border-radius: 18px;
}

.notification-empty-state strong {
  font-size: 15px;
}

.notification-empty-state p {
  max-width: 290px;
  margin: 0;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.55;
}

html[data-theme="dark"] .notification-center-button {
  color: #c9d3e7;
  background: rgba(255, 255, 255, 0.055);
  border-color: rgba(255, 255, 255, 0.09);
}

html[data-theme="dark"] .notification-center-button:hover,
html[data-theme="dark"] .notification-center-button[aria-expanded="true"] {
  color: var(--primary);
  background: rgb(var(--primary-rgb) / 0.15);
  border-color: rgb(var(--primary-rgb) / 0.28);
}

html[data-theme="dark"] .notification-center-panel {
  background: rgba(25, 31, 43, 0.97);
  border-color: rgba(163, 176, 201, 0.17);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.48), inset 0 1px 0 rgba(255, 255, 255, 0.045);
}

html[data-theme="dark"] .notification-filter.is-active {
  background: rgba(255, 255, 255, 0.09);
}

html[data-theme="dark"] .notification-item.is-unread {
  background: rgb(var(--primary-rgb) / 0.09);
}

@media (max-width: 900px) {
  .header-leading {
    gap: 10px;
  }

  .notification-center-panel {
    position: fixed;
    top: 72px;
    right: 14px;
    left: 14px;
    width: auto;
    max-height: calc(100dvh - 86px);
  }
}

@media (max-width: 620px) {
  .header-leading {
    gap: 8px;
  }

  .notification-center-button {
    width: 38px;
    height: 38px;
    border-radius: 12px;
  }

  .notification-center-panel {
    top: 67px;
    right: 10px;
    left: 10px;
    max-height: calc(100dvh - 77px);
    border-radius: 18px;
  }

  .notification-panel-header {
    padding: 17px 16px 13px;
  }

  .notification-panel-toolbar {
    padding: 0 16px 12px;
  }

  .notification-item {
    padding: 14px 16px;
  }
}

@media (forced-colors: active) {
  .notification-center-button,
  .notification-center-panel,
  .notification-filter,
  .notification-action {
    color: CanvasText;
    background: Canvas;
    border-color: ButtonBorder;
    box-shadow: none;
  }

  .notification-unread-dot,
  .notification-item.is-unread::after {
    background: Highlight;
  }
}

@media (prefers-reduced-motion: reduce) {
  .notification-center-button {
    transition: none;
  }
}