.admin-app-layout {
  min-height: 100vh;
}

.admin-workspace {
  min-width: 0;
}

.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  min-width: 0;
  min-height: var(--density-topbar);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(11,14,13,.94);
  backdrop-filter: blur(18px);
}

.admin-topbar-context {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.admin-topbar-context .eyebrow {
  margin: 0;
  font-size: 10px;
}

.admin-topbar-context strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
}

.admin-topbar-actions { display: flex; align-items: center; gap: 10px; }
.admin-content { width: 100%; max-width: none; margin: 0; padding: var(--density-content); min-width: 0; }
.admin-page-head { align-items: flex-end; }
.admin-summary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 16px; }

.admin-tabs {
  position: sticky;
  top: var(--density-topbar);
  z-index: 12;
  display: flex;
  gap: 6px;
  margin: 18px 0;
  padding: 6px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(15,19,18,.94);
  backdrop-filter: blur(16px);
}

.admin-tab {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  white-space: nowrap;
  font: inherit;
  font-weight: 700;
}

.admin-tab:hover,
.admin-tab:focus-visible { color: var(--ink); border-color: var(--line); outline: none; }
.admin-tab.active { color: var(--ink); background: var(--surface-strong, #1d2522); border-color: var(--accent, #49d49d); }
.count-badge { min-width: 22px; padding: 2px 7px; border-radius: 999px; background: rgba(255,255,255,.08); font-size: 11px; }
.admin-tab.active .count-badge { background: rgba(73,212,157,.16); color: var(--green); }

.admin-panel { min-height: 320px; }
.admin-panel[hidden] { display: none !important; }
.panel-toolbar { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }
.panel-toolbar h2 { margin: 2px 0 4px; }
.panel-toolbar p { margin: 0; }
.admin-filter-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.admin-filter-actions input { width: min(320px, 42vw); }
#status-filter { width: auto; min-width: 140px; }

.admin-table-state { min-height: 160px; }
.admin-user-main { display: grid; gap: 3px; min-width: 190px; }
.admin-user-main small { color: var(--muted); }
.admin-actions { display: flex; flex-wrap: wrap; gap: 5px; min-width: 250px; }
.admin-actions .button[disabled] { opacity: .42; cursor: not-allowed; transform: none; }
.admin-email-frame { width: min(720px, calc(100vw - 28px)); }
.admin-template-frame { width: min(1180px, calc(100vw - 28px)); }

.template-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.template-grid > .loading,
.template-grid > .empty { grid-column: 1 / -1; min-height: 240px; }
.template-card { display: flex; flex-direction: column; min-height: 250px; }
.template-card > p { min-height: 36px; }
.template-subject { display: grid; gap: 5px; margin: 14px 0; padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: rgba(255,255,255,.025); }
.template-subject small { color: var(--muted); }
.template-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 14px; }
.template-card-foot small { color: var(--muted); }
.placeholder-list { display: flex; flex-wrap: wrap; gap: 6px; }
.placeholder-list code,
.placeholder-token { padding: 4px 7px; border: 1px solid var(--line); border-radius: 7px; color: var(--green); background: rgba(73,212,157,.07); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px; }
.placeholder-token { cursor: pointer; }
.placeholder-token:hover,
.placeholder-token:focus-visible { border-color: var(--green); outline: none; }

.template-editor-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); gap: 18px; }
.template-preview-panel { min-width: 0; padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.025); }
.template-preview-panel h3 { overflow-wrap: anywhere; }
.template-preview-panel pre { min-height: 350px; margin: 14px 0 0; white-space: pre-wrap; overflow-wrap: anywhere; color: var(--muted); font: inherit; line-height: 1.7; }
.spacer { flex: 1; }

.detail-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.detail-grid > div { display: grid; gap: 5px; min-width: 0; padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: rgba(255,255,255,.02); }
.detail-grid small { color: var(--muted); }
.detail-grid strong { overflow-wrap: anywhere; }
.error-text { color: var(--red, #ff7c7c); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px; }
.failure-state { border: 1px dashed rgba(255,124,124,.42); background: rgba(255,124,124,.035); }
.access-denied { max-width: 680px; margin: 15vh auto; text-align: center; }
.access-denied .button { margin-top: 16px; }

#member-panel-error:empty,
#template-panel-error:empty,
#delivery-panel-error:empty,
#monitoring-panel-error:empty { display: none; }

.form-error[data-message-type="success"],
#auth-error[data-message-type="success"] { color: var(--green); }

@media (max-width: 1180px) {
  .admin-summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .template-grid { grid-template-columns: 1fr; }
  .template-editor-layout { grid-template-columns: 1fr; }
  .template-preview-panel pre { min-height: 220px; }
}

@media (max-width: 900px) {
  .admin-topbar { align-items: flex-start; padding: 10px 12px; }
  .admin-topbar-actions { flex-wrap: wrap; justify-content: flex-end; }
  .admin-content { padding: 14px; }
  .admin-page-head,
  .panel-toolbar { align-items: flex-start; flex-direction: column; }
  .admin-filter-actions { width: 100%; }
  .admin-filter-actions input { width: 100%; flex: 1 1 100%; }
  .admin-actions { min-width: 220px; }
  .detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  .admin-topbar { position: static; }
  .admin-topbar-context,
  .admin-topbar-actions .density-control,
  #admin-user { display: none; }
  .admin-content { padding: 10px; }
  .admin-summary-grid { grid-template-columns: 1fr; }
  .admin-tabs { top: 0; margin: 12px 0; }
  .detail-grid { grid-template-columns: 1fr; }
  .template-card-foot { align-items: flex-start; flex-direction: column; }
  .template-card-foot .button { width: 100%; }
}