h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 3.35rem);
  letter-spacing: -0.04em;
}

.eyebrow {
  margin-bottom: 6px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.ui-icon,
.brand-icon {
  display: block;
  flex: 0 0 auto;
}

.ui-icon {
  width: 22px;
  height: 22px;
}

.brand-icon {
  width: 36px;
  height: 36px;
}

:root[data-theme="dark"] .ui-icon,
:root[data-theme="dark"] .brand-icon {
  filter: invert(1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .ui-icon,
  :root:not([data-theme="light"]) .brand-icon {
    filter: invert(1);
  }
}

.icon-button,
.back-button,
.rail-group,
.rail-category,
.page-item,
.page-insert,
.notes-drawer button {
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
}

.icon-button {
  display: inline-grid;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  place-items: center;
  background: var(--surface-glass);
  box-shadow: 0 2px 7px rgb(71 60 43 / 4%);
}

.icon-button:hover:not(:disabled) {
  border-color: var(--line-strong);
  background: var(--surface-raised);
}

.create-button,
.page-add-button {
  border-color: #c9d6f1;
  background: var(--accent-soft);
}

.page-remove-button {
  border-color: color-mix(in srgb, var(--danger) 34%, var(--line));
  background: var(--surface-glass);
}

.page-remove-button .ui-icon {
  filter: sepia(1) saturate(3.3) hue-rotate(315deg) brightness(0.86);
}

.category-card {
  display: flex;
  min-height: 154px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  background: var(--surface-glass);
  box-shadow: var(--shadow-soft);
  text-align: left;
  cursor: pointer;
  transition:
    transform 160ms var(--ease-out),
    box-shadow 160ms ease,
    border-color 140ms ease,
    background-color 140ms ease;
}

@media (hover: hover) {
  .category-card:hover {
    border-color: #c8d5ef;
    background: var(--surface);
    box-shadow: var(--shadow);
    transform: translate3d(0, -3px, 0);
  }
}

.category-card:active {
  transform: translate3d(0, -1px, 0) scale(0.985);
}

.category-card strong {
  font-size: 1.28rem;
}

.category-card span,
.empty-state {
  color: var(--muted);
}

.empty-state {
  grid-column: 1 / -1;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  padding: 38px;
  background: var(--surface-glass);
  text-align: center;
}

.back-button,
.rail-group,
.rail-category,
.page-item {
  width: 100%;
  padding: 10px 12px;
  text-align: left;
}

.back-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 18px;
}

.rail-group--active,
.rail-category--active,
.page-item--active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

.rail-group,
.rail-category,
.page-item {
  transition:
    transform var(--motion-press) var(--ease-spring),
    color 140ms ease,
    background-color 140ms ease;
}

.page-insert {
  position: relative;
  display: flex;
  width: 100%;
  min-height: 28px;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}

.page-insert::before {
  position: absolute;
  right: 8px;
  left: 8px;
  height: 1px;
  background: var(--line);
  content: "";
}

.page-insert span {
  z-index: 1;
  display: grid;
  width: 26px;
  height: 26px;
  border: 1px solid var(--line);
  border-radius: 50%;
  place-items: center;
  background: var(--surface);
}

.page-insert .ui-icon {
  width: 15px;
  height: 15px;
}

.page-title {
  min-width: 0;
  flex: 1 1 15rem;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 1.08rem;
  font-weight: 760;
}

.notes-drawer header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.notes-drawer header .back-button {
  width: auto;
  margin: 0;
}

.app-topbar {
  position: sticky;
  z-index: 40;
  top: 0;
  display: flex;
  min-height: var(--topbar-height);
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--line);
  padding: max(8px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) 8px max(14px, env(safe-area-inset-left));
  background: var(--surface-glass);
  backdrop-filter: blur(20px) saturate(118%);
}

.brand-button,
.topbar-actions button,
.admin-actions button,
.user-actions button,
.primary-button,
.offline-account,
.page-delete {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-glass);
  cursor: pointer;
}

.brand-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 0;
  padding: 3px 5px;
  background: transparent;
  font-weight: 820;
  white-space: nowrap;
}

.topbar-actions,
.topbar-actions button,
.admin-actions,
.admin-actions button,
.user-actions,
.user-actions button {
  display: flex;
  align-items: center;
}

.topbar-actions {
  min-width: 0;
  gap: 7px;
}

.topbar-actions button,
.admin-actions button,
.user-actions button,
.primary-button {
  gap: 7px;
  justify-content: center;
  padding: 8px 12px;
}

.topbar-actions button:hover,
.admin-actions button:hover,
.user-actions button:hover {
  border-color: var(--line-strong);
  background: var(--surface-raised);
}

.sync-pill {
  flex: 0 0 auto;
  border: 1px solid color-mix(in srgb, var(--success) 35%, var(--line));
  border-radius: 999px;
  padding: 7px 10px;
  color: var(--success);
  background: color-mix(in srgb, var(--success) 8%, var(--surface));
  font-size: 0.82rem;
  white-space: nowrap;
}

.sync-pill[data-sync-status="syncing"],
.sync-pill[data-sync-status="waiting-server"] {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
  color: var(--accent);
}

.sync-pill[data-sync-status="conflict"],
.sync-pill[data-sync-status="failed"] {
  border-color: color-mix(in srgb, var(--danger) 48%, var(--line));
  color: var(--danger);
  background: var(--danger-soft);
}

.theme-toggle.icon-button {
  width: var(--target);
  height: var(--target);
  padding: 0;
}

.account-chip {
  display: inline-flex;
  min-height: var(--target);
  align-items: center;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 7px 11px;
  background: var(--surface-glass);
  white-space: nowrap;
}

.account-chip--button {
  cursor: pointer;
}

.app-view .workspace,
.app-view .editor-pane {
  min-height: calc(100dvh - var(--topbar-height));
}

.login-shell,
.admin-shell {
  min-height: calc(100dvh - var(--topbar-height));
  padding: max(36px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) max(36px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left));
}

.login-shell {
  display: grid;
  place-items: center;
}

.login-card {
  width: min(500px, 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(26px, 5vw, 46px);
  background: var(--surface-glass);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  letter-spacing: 0.08em;
}

.login-intro,
.offline-account span,
.user-row span {
  color: var(--muted);
}

.login-card form,
.login-card label {
  display: grid;
  gap: 7px;
}

.login-card form {
  gap: 16px;
  margin-top: 28px;
}

.login-card input {
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 9px 13px;
  background: var(--paper);
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.login-card input:focus {
  border-color: var(--focus);
  outline: 0;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 18%, transparent);
}

.primary-button {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.form-error {
  border-left: 4px solid var(--danger);
  padding-left: 12px;
  color: var(--danger);
}

.form-message {
  border-left: 4px solid var(--accent);
  padding-left: 12px;
}

.inline-back {
  width: auto;
  margin-bottom: 20px;
}

.workspace-empty {
  padding: 40px;
  color: var(--muted);
  text-align: center;
}

.notes-drawer h3 {
  margin: 22px 0 8px;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.onboarding-section,
.offline-section {
  margin-top: 26px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.onboarding-section {
  display: grid;
  gap: 10px;
}

.onboarding-section details {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 13px;
  background: color-mix(in srgb, var(--surface-raised) 50%, transparent);
}

.onboarding-section summary {
  font-weight: 700;
  cursor: pointer;
}

.onboarding-section form {
  margin-top: 16px;
}

.offline-section h2 {
  font-size: 1rem;
}

.offline-account {
  display: flex;
  width: 100%;
  min-height: 68px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 10px 14px;
  text-align: left;
}

.admin-shell {
  width: min(1000px, 100%);
  min-height: auto;
  margin: 0 auto;
}

.admin-header,
.user-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.admin-actions,
.user-actions {
  gap: 8px;
}

.user-row {
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 15px 16px;
  background: var(--surface-glass);
  box-shadow: var(--shadow-soft);
}

.user-row > div:first-child {
  display: grid;
  gap: 4px;
}

.page-row {
  display: flex;
  align-items: stretch;
  gap: 4px;
}

.page-row .page-item {
  min-width: 0;
  flex: 1;
}

.page-delete {
  border-color: transparent;
  color: var(--muted);
}

.toast {
  position: fixed;
  z-index: 100;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  background: var(--surface-glass);
  color: var(--ink);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  animation: toast-in 180ms var(--ease-out) both;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translate3d(0, 10px, 0) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

.toast button {
  border: 1px solid currentColor;
  border-radius: 9px;
  background: transparent;
  color: inherit;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
}

.offline-retry {
  display: inline-flex;
  min-height: var(--target);
  align-items: center;
  padding: 8px 14px;
  text-decoration: none;
}

[hidden] {
  display: none !important;
}

@media (max-width: 820px) {
  .app-topbar {
    gap: 8px;
  }

  .brand-button span {
    display: none;
  }

  .topbar-actions {
    max-width: calc(100vw - 70px);
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: none;
  }

  .topbar-actions::-webkit-scrollbar {
    display: none;
  }

  .topbar-actions button > span {
    display: none;
  }

  .sync-pill {
    max-width: 7.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .admin-header,
  .user-row {
    align-items: flex-start;
    flex-direction: column;
  }
}