.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--arktus-canvas);
  color: var(--arktus-text);
}

.app-shell__nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.5rem;
  padding: 0.5rem 1.25rem;
  border-bottom: 1px solid var(--arktus-border);
  background: var(--arktus-surface);
}

.app-shell__nav-start {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  min-width: 0;
}

.app-shell__logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  min-height: 44px;
  text-decoration: none;
}

.app-shell__logo-img {
  display: block;
  width: auto;
  /* φ × nav link font-size (1rem): logo / «Главная» ≈ 1.618 */
  max-width: min(8rem, 40vw);
  height: 1.618rem;
}

.app-shell__ia {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  min-width: 0;
}

.app-shell__nav-link,
.app-shell__nav-stub {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  color: var(--arktus-text);
  font-family: var(--arktus-font-body);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
}

.app-shell__nav-link:hover {
  color: var(--arktus-accent);
}

.app-shell__nav-stub {
  color: var(--arktus-mid);
  cursor: default;
}

.app-shell__nav-end {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  flex-shrink: 0;
}

.app-shell__avatar-menu {
  position: relative;
  flex-shrink: 0;
}

.app-shell__avatar-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 50%;
}

.app-shell__avatar-trigger:focus-visible {
  outline: 2px solid var(--arktus-brand);
  outline-offset: 2px;
}

.app-shell__avatar-stub,
.app-shell__avatar-initials,
.app-shell__avatar-img {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  min-width: 44px;
  min-height: 44px;
  flex-shrink: 0;
  border-radius: 50%;
}

.app-shell__avatar-stub {
  border: 1px solid var(--arktus-border);
  background: var(--arktus-elevated);
}

.app-shell__avatar-initials {
  border: 1px solid transparent;
  background: var(--arktus-brand);
  color: var(--arktus-text);
  font-family: var(--arktus-font-body);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  user-select: none;
}

.app-shell__avatar-img {
  border: 1px solid var(--arktus-border);
  object-fit: cover;
  background: var(--arktus-elevated);
}

.app-shell__menu-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  cursor: default;
}

.app-shell__menu {
  position: absolute;
  top: calc(100% + 0.35rem);
  right: 0;
  z-index: 50;
  min-width: 10rem;
  padding: 0.35rem;
  border: 1px solid var(--arktus-border);
  border-radius: 0.5rem;
  background: var(--arktus-elevated);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.app-shell__menu-item {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  border: none;
  border-radius: 0.35rem;
  background: transparent;
  color: var(--arktus-text);
  font-family: var(--arktus-font-body);
  font-size: 1rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
}

.app-shell__menu-item:hover,
.app-shell__menu-item:focus-visible {
  background: color-mix(in srgb, var(--arktus-brand) 22%, transparent);
  outline: none;
}

.app-shell__status {
  color: var(--arktus-mid);
  font-family: var(--arktus-font-body);
  font-size: 0.9375rem;
}

.app-shell__logout {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  border: 1px solid var(--arktus-border);
  border-radius: 0.5rem;
  background: var(--arktus-elevated);
  color: var(--arktus-mid);
  cursor: pointer;
  flex-shrink: 0;
}

.app-shell__logout:hover:not(:disabled) {
  border-color: var(--arktus-brand);
  color: var(--arktus-text);
}

.app-shell__logout:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.app-shell__logout-icon {
  width: 1.25rem;
  height: 1.25rem;
  display: block;
  pointer-events: none;
}

.app-shell__error {
  margin: 0;
  padding: 0.75rem 1.25rem;
  background: color-mix(in srgb, #c43c3c 18%, var(--arktus-surface));
  color: var(--arktus-text);
  font-family: var(--arktus-font-body);
  font-size: 0.9375rem;
}

.app-shell__error:focus {
  outline: none;
}

.app-shell__outlet {
  flex: 1;
  width: 100%;
  padding: 1.5rem 1.25rem 2rem;
}

.home-atmosphere {
  width: 100%;
  max-width: 40rem;
}

.home-atmosphere__greeting {
  margin: 0;
  color: var(--arktus-text);
  font-family: var(--arktus-font-display);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.home-atmosphere__greeting:focus {
  outline: none;
}

.home-atmosphere__invitation {
  margin: 0.75rem 0 0;
  color: var(--arktus-mid);
  font-family: var(--arktus-font-body);
  font-size: clamp(1.0625rem, 2.2vw, 1.25rem);
  line-height: 1.5;
}

.profile-page {
  width: 100%;
  max-width: 28rem;
}

.profile-page__title {
  margin: 0 0 1.25rem;
  color: var(--arktus-text);
  font-family: var(--arktus-font-display);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.profile-page__status {
  margin: 0;
  color: var(--arktus-mid);
  font-family: var(--arktus-font-body);
  font-size: 1rem;
}

.profile-page__error {
  margin: 0;
  color: var(--arktus-text);
  font-family: var(--arktus-font-body);
  font-size: 0.9375rem;
}

.profile-page__avatar-wrap {
  margin: 0 0 1.25rem;
}

.profile-page__avatar-img,
.profile-page__avatar-stub {
  display: block;
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  border: 1px solid var(--arktus-border);
  object-fit: cover;
  background: var(--arktus-elevated);
}

.profile-page__avatar-upload {
  margin-top: 0.75rem;
}

.profile-page__avatar-upload-label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  cursor: pointer;
}

.profile-page__avatar-file {
  max-width: 100%;
  font-family: var(--arktus-font-body);
  font-size: 0.875rem;
  color: var(--arktus-ink);
}

.profile-page__saved {
  margin: 0 0 0.75rem;
  color: var(--arktus-accent);
  font-family: var(--arktus-font-body);
  font-size: 0.9375rem;
}

.profile-page__form .auth-field__input[readonly] {
  color: var(--arktus-mid);
  cursor: default;
}

.avatar-crop {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(10, 11, 24, 0.72);
}

.avatar-crop__panel {
  width: min(100%, 22rem);
  padding: 1.25rem;
  border: 1px solid var(--arktus-border);
  border-radius: 0.75rem;
  background: var(--arktus-surface);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.avatar-crop__title {
  margin: 0 0 1rem;
  color: var(--arktus-text);
  font-family: var(--arktus-font-display);
  font-size: 1.25rem;
  font-weight: 600;
}

.avatar-crop__viewport {
  position: relative;
  margin: 0 auto;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
  user-select: none;
  background: var(--arktus-elevated);
  border: 1px solid var(--arktus-border);
}

.avatar-crop__viewport:active {
  cursor: grabbing;
}

.avatar-crop__image {
  position: absolute;
  max-width: none;
  pointer-events: none;
}

.avatar-crop__circle {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 999px rgba(10, 11, 24, 0.55);
  border: 2px solid var(--arktus-accent);
  pointer-events: none;
}

.avatar-crop__zoom,
.avatar-crop__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.875rem;
}

.avatar-crop__actions {
  justify-content: flex-end;
}

.avatar-crop__btn {
  min-height: 2.75rem;
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--arktus-border);
  border-radius: 0.5rem;
  background: var(--arktus-elevated);
  color: var(--arktus-text);
  font-family: var(--arktus-font-body);
  font-size: 0.9375rem;
  cursor: pointer;
}

.avatar-crop__btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.avatar-crop__btn--ghost {
  background: transparent;
}

.avatar-crop__btn--primary {
  border-color: var(--arktus-brand);
  background: var(--arktus-brand);
  color: var(--arktus-text);
}

.avatar-crop__btn--primary:hover:not(:disabled) {
  background: var(--arktus-brand-hover);
}