.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px clamp(16px, 4vw, 32px);
  background: rgba(11, 17, 32, 0.92);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(18px);
}

.brand-button,
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-button {
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
}

.brand-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 7px;
  color: var(--color-primary-ink);
  background: var(--color-primary);
  box-shadow: 0 0 22px rgba(34, 211, 238, 0.28);
  font-weight: 700;
}

.brand-copy,
.admin-brand > span:last-child {
  display: grid;
}

.brand-copy strong {
  font-size: 1.08rem;
}

.brand-copy small,
.admin-brand small {
  color: var(--color-muted);
}

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

.language-control,
.user-menu {
  position: relative;
}

.icon-button,
.compact-button,
.primary-button,
.secondary-button,
.ghost-button,
.text-button {
  display: inline-flex;
  min-height: var(--control-height);
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 7px;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease, transform 160ms ease;
}

.icon-button {
  width: var(--control-height);
  padding: 0;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.035);
}

.compact-button,
.secondary-button,
.ghost-button {
  padding: 0 14px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.04);
}

.primary-button {
  padding: 0 18px;
  border: 1px solid var(--color-primary);
  color: var(--color-primary-ink);
  background: var(--color-primary);
  font-weight: 700;
}

.secondary-button:hover,
.compact-button:hover,
.icon-button:hover {
  border-color: var(--color-border-strong);
  background: rgba(34, 211, 238, 0.08);
}

.primary-button:hover {
  background: #67e8f9;
  transform: translateY(-1px);
}

.ghost-button,
.text-button {
  color: var(--color-muted);
  background: transparent;
}

.text-button {
  min-height: auto;
  padding: 0;
  border: 0;
}

.full-width {
  width: 100%;
}

.popover-menu,
.notification-panel {
  position: absolute;
  z-index: 60;
  padding: 8px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-card);
  background: rgba(17, 24, 39, 0.98);
  box-shadow: var(--shadow-panel);
}

.notification-row {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  padding: 12px 8px;
  border-bottom: 1px solid var(--color-border);
}

.notification-row.unread {
  color: var(--color-primary);
  background: rgba(34, 211, 238, 0.045);
}

.notification-row p,
.notification-empty {
  margin: 0;
}

.notification-empty {
  padding: 28px 12px;
  color: var(--color-muted);
  text-align: center;
}

.popover-menu {
  top: calc(100% + 8px);
  right: 0;
  width: 170px;
}

.popover-menu button {
  width: 100%;
  min-height: 40px;
  padding: 0 10px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  text-align: left;
}

.popover-menu button:hover {
  background: rgba(34, 211, 238, 0.08);
}

.notification-panel {
  position: fixed;
  top: calc(var(--header-height) + 8px);
  right: max(12px, calc((100vw - var(--content-width)) / 2 + 12px));
  width: min(360px, calc(100vw - 24px));
}

#notification-button {
  position: relative;
  overflow: visible;
}

.notification-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding-inline: 4px;
  border-radius: 999px;
  color: #fff;
  background: var(--color-danger);
  font-size: 0.7rem;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px;
  border-bottom: 1px solid var(--color-border);
}

.panel-heading h2 {
  margin: 0;
  font-size: 1rem;
}

.avatar {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  color: var(--color-primary-ink);
  background: var(--color-primary);
  font-weight: 700;
}

.avatar-button {
  min-height: 34px;
  padding: 0;
  border: 0;
}

.avatar-button:hover {
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.14);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

label {
  display: grid;
  gap: 7px;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 600;
}

.field-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.required-mark,
.form-required-note span {
  color: var(--color-danger);
  font-weight: 700;
}

.optional-mark {
  color: var(--color-muted);
  font-size: 0.75rem;
  font-weight: 400;
}

.field-hint {
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 400;
  line-height: 1.55;
}

.form-required-note {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.8rem;
  text-align: right;
}

input,
select,
textarea {
  width: 100%;
  min-height: var(--control-height);
  padding: 10px 12px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 7px;
  color: var(--color-text);
  background: rgba(7, 11, 20, 0.62);
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary);
  outline: 0;
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
}

.field-note {
  margin-left: auto;
  color: var(--color-muted);
  font-size: 0.75rem;
  font-weight: 400;
}

.app-dialog {
  width: min(680px, calc(100vw - 24px));
  max-height: min(88vh, 860px);
  margin: auto;
  padding: clamp(20px, 4vw, 34px);
  overflow: auto;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-dialog);
  color: var(--color-text);
  background: rgba(17, 24, 39, 0.96);
  box-shadow: var(--shadow-panel), 0 0 60px rgba(34, 211, 238, 0.08);
  backdrop-filter: blur(24px);
}

.app-dialog::backdrop {
  background: rgba(3, 6, 14, 0.8);
  backdrop-filter: blur(8px);
}

.dialog-close {
  position: absolute;
  top: 12px;
  right: 12px;
}

.dialog-heading {
  display: grid;
  justify-items: center;
  margin-bottom: 22px;
  text-align: center;
}

.dialog-heading.align-left {
  justify-items: start;
  text-align: left;
}

.dialog-heading h2 {
  margin: 10px 0 6px;
}

.dialog-heading p {
  margin-bottom: 0;
}

.app-dialog form {
  display: grid;
  gap: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-grid-three {
  grid-template-columns: repeat(3, 1fr);
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: calc(clamp(20px, 4vw, 34px) * -1) calc(clamp(20px, 4vw, 34px) * -1) 24px;
  border-bottom: 1px solid var(--color-border);
}

.auth-dialog-toolbar {
  position: sticky;
  top: calc(clamp(20px, 4vw, 34px) * -1);
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  margin: calc(clamp(20px, 4vw, 34px) * -1) calc(clamp(20px, 4vw, 34px) * -1) 24px;
  border-bottom: 1px solid var(--color-border);
  background: rgba(17, 24, 39, 0.98);
  backdrop-filter: blur(24px);
}

.auth-dialog-toolbar .auth-tabs {
  margin: 0;
  border-bottom: 0;
}

.auth-dialog-toolbar .dialog-close {
  position: static;
  align-self: center;
  margin-inline: 6px;
}

.auth-tabs button,
.category-tabs button,
.admin-sidebar nav button {
  min-height: var(--control-height);
  border: 0;
  color: var(--color-muted);
  background: transparent;
}

.auth-tabs button.active {
  color: var(--color-primary);
  box-shadow: inset 0 -2px 0 var(--color-primary);
}

.password-input,
.copy-field,
.autocomplete {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input input {
  padding-right: 50px;
}

.password-input .icon-button {
  position: absolute;
  right: 2px;
  border: 0;
  background: transparent;
}

.copy-field {
  gap: 8px;
}

.autocomplete-list {
  position: absolute;
  z-index: 2;
  top: calc(100% + 4px);
  right: 0;
  left: 0;
  max-height: 220px;
  overflow: auto;
  border: 1px solid var(--color-border-strong);
  border-radius: 7px;
  background: var(--color-surface);
  box-shadow: var(--shadow-panel);
}

.autocomplete-list button {
  display: grid;
  width: 100%;
  gap: 3px;
  padding: 10px 12px;
  border: 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  background: transparent;
  text-align: left;
}

.autocomplete-list button:hover,
.autocomplete-list button[aria-selected="true"] {
  background: rgba(34, 211, 238, 0.08);
}

.autocomplete-list button small {
  color: var(--color-muted);
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

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

.toast-root {
  position: fixed;
  z-index: 100;
  right: 16px;
  bottom: calc(16px + var(--safe-bottom));
  display: grid;
  gap: 8px;
  width: min(360px, calc(100vw - 32px));
}

.toast {
  padding: 12px 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: 8px;
  background: var(--color-surface-raised);
  box-shadow: var(--shadow-panel);
}

.toast-success { border-color: rgba(52, 211, 153, 0.55); }
.toast-error { border-color: rgba(251, 113, 133, 0.6); }

.quick-drawer {
  position: fixed;
  z-index: 35;
  right: 50%;
  bottom: 0;
  width: min(100%, var(--content-width));
  padding: 8px clamp(16px, 4vw, 28px) calc(16px + var(--safe-bottom));
  overflow: hidden;
  border: 1px solid var(--color-border-strong);
  border-bottom: 0;
  border-radius: 12px 12px 0 0;
  background: rgba(17, 24, 39, 0.94);
  box-shadow: 0 -18px 60px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(22px);
  transform: translateX(50%);
  transition: max-height 240ms ease;
  max-height: 180px;
}

.quick-drawer.collapsed {
  max-height: 42px;
}

.drawer-handle {
  display: grid;
  width: 100%;
  place-items: center;
  gap: 3px;
  padding: 0 0 8px;
  border: 0;
  color: var(--color-muted);
  background: transparent;
}

.drawer-handle span {
  width: 36px;
  height: 4px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.34);
}

.quick-actions {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  opacity: 1;
  transition: opacity 160ms ease;
}

.quick-drawer.collapsed .quick-actions {
  pointer-events: none;
  opacity: 0;
}