.admin-root { height: 100%; overflow: hidden; }

.admin-shell {
  height: 100vh;
  background: var(--admin-bg-page);
  overflow: hidden;
}

.admin-shell__layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  height: 100vh;
  overflow: hidden;
}

.admin-shell__main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100vh;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.admin-shell__body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.admin-shell__env-badge {
  position: fixed;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--admin-staging);
  color: #fff;
  padding: 4px 12px;
  border-radius: var(--admin-radius-pill);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  z-index: 100;
}

.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.page-head__lead { display: flex; align-items: center; gap: 16px; min-width: 0; }
.page-head__avatar {
  width: 48px; height: 48px; flex: 0 0 48px;
  border-radius: var(--admin-radius-md);
  background: var(--admin-brand);
  color: var(--admin-text-on-brand);
  font-size: 16px; font-weight: 800;
  display: inline-flex; align-items: center; justify-content: center;
}
.page-head__avatar--danger { background: var(--admin-danger); }
.page-head__text { min-width: 0; flex: 1; }
.page-head__text h1 {
  margin: 0; font-size: 24px; font-weight: 700;
  color: var(--admin-text-primary); line-height: 1.2;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  max-width: 720px;
}
.page-head__sub {
  margin: 4px 0 0; font-size: 13px;
  color: var(--admin-text-secondary);
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.page-head__actions { display: flex; gap: 12px; align-items: center; }
.page-head__btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 36px; padding: 0 14px;
  border-radius: var(--admin-radius-md);
  font-size: 13px; font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--admin-border);
  background: var(--admin-bg-surface);
  color: var(--admin-text-primary);
  cursor: pointer;
}
.page-head__btn:hover { background: var(--admin-bg-hover); }
.page-head__btn--primary {
  background: var(--admin-brand);
  border-color: var(--admin-brand);
  color: var(--admin-text-on-brand);
}
.page-head__btn--primary:hover { opacity: .9; }

.admin-icon--missing { display: inline-block; width: 18px; height: 18px; }

.admin-sidebar {
  background: var(--admin-bg-sidebar);
  border-right: 1px solid var(--admin-border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--admin-border) transparent;
}

.admin-sidebar::-webkit-scrollbar { width: 6px; }
.admin-sidebar::-webkit-scrollbar-track { background: transparent; }
.admin-sidebar::-webkit-scrollbar-thumb {
  background: var(--admin-border);
  border-radius: 3px;
}
.admin-sidebar::-webkit-scrollbar-thumb:hover { background: var(--admin-text-tertiary); }

.admin-sidebar__brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 8px;
  text-decoration: none;
  color: var(--admin-text-primary);
}

.admin-sidebar__brand-mark {
  width: 36px;
  height: 36px;
  background: var(--admin-brand);
  color: var(--admin-text-on-brand);
  border-radius: var(--admin-radius-md);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 18px;
}

.admin-sidebar__brand-name { font-weight: 700; font-size: 16px; }

.admin-sidebar__section + .admin-sidebar__section { margin-top: 16px; }

.admin-sidebar__section-label {
  margin: 0;
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--admin-text-tertiary);
  text-transform: uppercase;
}

.admin-sidebar__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--admin-radius-md);
  color: var(--admin-text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}

.admin-sidebar__item:hover {
  background: var(--admin-bg-hover);
  color: var(--admin-text-primary);
}

.admin-sidebar__item.is-active {
  background: var(--admin-brand);
  color: var(--admin-text-on-brand);
}

.admin-sidebar__item.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.admin-sidebar__item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: currentColor;
}

.admin-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  background: var(--admin-bg-surface);
  border-bottom: 1px solid var(--admin-border);
}

.admin-topbar__menu-btn {
  display: none;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-md);
  color: var(--admin-text-secondary);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.admin-topbar__crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--admin-text-secondary);
}

.admin-topbar__crumbs a { color: var(--admin-text-secondary); text-decoration: none; }
.admin-topbar__crumbs span[aria-current] { color: var(--admin-text-primary); font-weight: 500; }

.admin-topbar__search { flex: 1; max-width: 420px; margin-left: auto; }

.admin-topbar__search input {
  width: 100%;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--admin-border);
  background: var(--admin-bg-input);
  color: var(--admin-text-primary);
  border-radius: var(--admin-radius-md);
  font-size: 13px;
  font-family: inherit;
}

.admin-topbar__actions { display: flex; align-items: center; gap: 8px; }

.admin-topbar__icon-btn {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-md);
  color: var(--admin-text-secondary);
  cursor: pointer;
}

.admin-topbar__icon-btn:hover:not(:disabled) {
  background: var(--admin-bg-hover);
  color: var(--admin-text-primary);
}

.admin-topbar__icon-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.admin-topbar__theme .icon-moon { display: none; }
[data-theme="dark"] .admin-topbar__theme .icon-sun { display: none; }
[data-theme="dark"] .admin-topbar__theme .icon-moon { display: inline; }

.admin-topbar__user {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-pill);
  text-decoration: none;
  color: var(--admin-text-primary);
  font-size: 13px;
  font-weight: 500;
}

.admin-topbar__avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--admin-brand);
  color: var(--admin-text-on-brand);
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
}

@media (max-width: 1023px) {
  .admin-shell__layout { grid-template-columns: 1fr; }
  .admin-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 240px;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    z-index: 50;
  }
  .admin-sidebar.is-open { transform: translateX(0); }
  .admin-topbar__menu-btn { display: inline-flex; }
}

@media (max-width: 600px) {
  .admin-shell__body { padding: 16px; }
}

.admin-shell__layout--popup { grid-template-columns: 1fr; }
.admin-shell__layout--popup .admin-shell__body { padding: 16px; }

body.login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 24px;
}

.admin-login__env-badge {
  position: absolute;
  top: 24px;
  left: 24px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--admin-staging);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: var(--admin-radius-pill);
}

.admin-login__theme-toggle {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--admin-bg-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-md);
  cursor: pointer;
  color: var(--admin-text-secondary);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  padding: 0;
}

.admin-login__theme-toggle:hover {
  background: var(--admin-bg-hover);
  color: var(--admin-text-primary);
  border-color: var(--admin-border-strong);
}

.admin-login__theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .admin-login__theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .admin-login__theme-toggle .icon-moon {
  display: block;
}

.admin-login__card {
  width: 440px;
  max-width: 100%;
  background: var(--admin-bg-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-lg);
  padding: 48px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.admin-login__heading {
  margin: 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--admin-text-primary);
  text-align: center;
  line-height: 1.4;
}

.admin-login__form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 0;
}

.admin-login__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.admin-login__field-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--admin-text-primary);
}

.admin-login__field-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  background: var(--admin-bg-input);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-md);
  transition: border-color 0.15s, background 0.15s;
}

.admin-login__field-box:focus-within {
  border-color: var(--admin-border-strong);
  background: var(--admin-bg-surface);
}

.admin-login__field-icon {
  flex-shrink: 0;
  color: var(--admin-text-secondary);
}

.admin-login__field-input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  color: var(--admin-text-primary);
  font-size: 14px;
  font-family: inherit;
  min-width: 0;
  padding: 0;
}

.admin-login__field-input::placeholder {
  color: var(--admin-text-tertiary);
}

.admin-login__password-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--admin-text-secondary);
  padding: 0;
  flex-shrink: 0;
}

.admin-login__password-toggle:hover {
  color: var(--admin-text-primary);
}

.admin-login__password-toggle .icon-eye-off {
  display: none;
}

.admin-login__password-toggle.is-visible .icon-eye {
  display: none;
}

.admin-login__password-toggle.is-visible .icon-eye-off {
  display: block;
}

.admin-login__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.admin-login__remember {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.admin-login__remember-input {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin: 0;
  border: 1px solid var(--admin-brand);
  border-radius: var(--admin-radius-md);
  cursor: pointer;
  position: relative;
  background: var(--admin-bg-surface);
  flex-shrink: 0;
}

.admin-login__remember-input:checked {
  background: var(--admin-brand);
}

.admin-login__remember-input:checked::after {
  content: "";
  position: absolute;
  inset: 2px;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='M2 6.5L5 9.5L10 3'/></svg>") center/contain no-repeat;
}

.admin-login__remember-label {
  font-size: 13px;
  color: var(--admin-text-primary);
}

.admin-login__forgot {
  font-size: 13px;
  font-weight: 600;
  color: var(--admin-brand);
  text-decoration: none;
}

.admin-login__forgot:hover {
  text-decoration: underline;
}

.admin-login__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 6px 28px;
  background: var(--admin-brand);
  color: var(--admin-text-on-brand);
  border: 1px solid var(--admin-brand);
  border-radius: var(--admin-radius-pill);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: filter 0.15s;
  width: 100%;
}

.admin-login__submit:hover {
  filter: brightness(1.1);
}

.admin-login__divider {
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-login__divider-line {
  flex: 1;
  height: 1px;
  background: var(--admin-divider);
}

.admin-login__divider-text {
  font-size: 13px;
  font-weight: 400;
  color: var(--admin-text-tertiary);
}

.admin-login__sso-form {
  margin: 0;
  width: 100%;
}

.admin-login__sso-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 44px;
  padding: 6px 28px;
  background: var(--admin-bg-surface);
  color: var(--admin-brand);
  border: 1px solid var(--admin-brand);
  border-radius: var(--admin-radius-pill);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: background 0.15s, color 0.15s;
  font-family: inherit;
  box-sizing: border-box;
  text-decoration: none;
}

.admin-login__sso-btn:hover {
  background: var(--admin-bg-hover);
}

.admin-login__messages {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-login__messages li {
  padding: 12px;
  border-radius: var(--admin-radius-md);
  font-size: 13px;
  background: var(--admin-info-bg);
  color: var(--admin-info);
}

.admin-login__messages li.error {
  background: var(--admin-danger-bg);
  color: var(--admin-danger);
}

.admin-login__messages li.success {
  background: var(--admin-success-bg);
  color: var(--admin-success);
}

.admin-login__error {
  padding: 12px;
  border-radius: var(--admin-radius-md);
  font-size: 13px;
  background: var(--admin-danger-bg);
  color: var(--admin-danger);
}

@media (max-width: 480px) {
  .admin-login__card {
    padding: 32px 24px;
  }

  .admin-login__env-badge {
    top: 16px;
    left: 16px;
  }

  .admin-login__theme-toggle {
    top: 16px;
    right: 16px;
  }
}