.admin-page {
  overflow: hidden;
  background: var(--paper);
}

.admin-site-header {
  max-width: none;
  height: 56px;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.admin-site-header .wordmark {
  font-size: 0.95rem;
  font-weight: 600;
}

.admin-main {
  max-width: none;
  height: calc(100dvh - 56px);
  padding: 0;
}

/* Login */
.admin-login {
  display: grid;
  min-height: 100%;
  place-items: center;
  padding: 28px 16px;
  background: var(--paper);
}

.admin-login__form {
  width: min(380px, 100%);
  display: grid;
  gap: 14px;
  padding: 28px 28px 24px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
}

.admin-login__form h1 {
  margin: 0 0 4px;
  font-size: 1.5rem;
  font-weight: 550;
}

.admin-login__hint {
  margin: -4px 0 6px;
  color: var(--muted);
  font-size: 0.86rem;
}

.admin-login__form .primary-button {
  width: 100%;
  margin-top: 4px;
  justify-self: stretch;
  text-align: center;
}

.admin-login__form .form-status {
  margin: 0;
  min-height: 1.2em;
}

/* Console shell */
.admin-console {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  height: 100%;
  min-height: 0;
  background: var(--surface);
}

.admin-sidebar {
  display: flex;
  min-height: 0;
  flex-direction: column;
  padding: 20px 12px;
  border-right: 1px solid var(--line);
  background: #f9fafb;
}

.admin-sidebar__heading {
  padding: 4px 10px 18px;
}

.admin-sidebar__heading h1 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.admin-nav {
  display: grid;
  gap: 2px;
}

.admin-nav__item {
  display: flex;
  width: 100%;
  min-height: 40px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border: 0;
  border-radius: 4px;
  color: #4b5563;
  background: transparent;
  text-align: left;
  font-size: 0.9rem;
  font-weight: 550;
}

.admin-nav__item:hover,
.admin-nav__item:focus-visible {
  color: var(--ink);
  background: rgba(0, 0, 0, 0.04);
  outline: 0;
}

.admin-nav__item[aria-selected="true"] {
  color: var(--ink);
  background: var(--surface);
  box-shadow: inset 3px 0 0 var(--green);
  font-weight: 600;
}

.admin-nav__count {
  min-width: 1.5em;
  color: var(--muted);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  text-align: right;
  font-weight: 500;
}

.admin-nav__item[aria-selected="true"] .admin-nav__count {
  color: var(--green);
}

.admin-workarea {
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: var(--surface);
}

.admin-view {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  height: 100%;
  min-height: 0;
}

#invites-view {
  grid-template-rows: auto auto minmax(0, 1fr);
}

.admin-view__header {
  display: flex;
  min-height: 60px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--line);
}

.admin-view__header h2 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 600;
}

/* Campaign workspace */
.campaign-workspace {
  display: grid;
  grid-template-columns: minmax(240px, 30%) minmax(0, 1fr);
  min-height: 0;
}

.campaign-browser {
  min-width: 0;
  overflow: auto;
  border-right: 1px solid var(--line);
  background: #f9fafb;
}

.campaign-list {
  display: block;
}

.campaign-option {
  display: grid;
  width: 100%;
  gap: 4px;
  padding: 14px 16px;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  background: transparent;
  text-align: left;
}

.campaign-option:hover,
.campaign-option:focus-visible {
  background: #f3f4f6;
  outline: 0;
}

.campaign-option[aria-selected="true"] {
  box-shadow: inset 3px 0 0 var(--green);
  background: rgba(181, 9, 172, 0.06);
}

.campaign-option__top,
.campaign-option__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.campaign-option__title {
  overflow: hidden;
  font-size: 0.92rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.campaign-option__recipient,
.campaign-option__meta {
  color: var(--muted);
  font-size: 0.76rem;
}

.campaign-editor {
  min-width: 0;
  overflow: auto;
}

.campaign-editor__header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.97);
}

.campaign-editor__header h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.editor-kicker {
  margin: 0 0 2px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 500;
}

.campaign-editor__tools {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.admin-form .checkbox-row {
  align-self: end;
  margin: 0 0 8px;
  font-size: 0.9rem;
}

.text-button--danger {
  color: var(--red);
}

.text-button--danger:hover,
.text-button--danger:focus-visible {
  color: #8f302b;
}

.admin-form {
  width: min(720px, 100%);
  padding: 22px 24px 40px;
}

.form-section {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0 0 22px;
  border: 0;
}

.form-section + .form-section {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.form-section legend {
  margin-bottom: 10px;
  padding: 0;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 600;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.form-grid--three {
  grid-template-columns: minmax(160px, 1.4fr) repeat(2, minmax(100px, 0.8fr));
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  padding-top: 4px;
}

.form-actions .form-status {
  flex: 1;
  margin: 0;
}

.admin-form .quiet-note {
  font-size: 0.82rem;
}

.media-section {
  display: grid;
  width: min(720px, 100%);
  gap: 12px;
  padding: 20px 24px 36px;
  border-top: 1px solid var(--line);
}

.media-section h4 {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 600;
}

.media-section .quiet-note {
  margin: 0;
  font-size: 0.82rem;
}

.media-manager {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}

.media-tile {
  display: grid;
  margin: 0;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
}

.media-tile img,
.media-tile video {
  display: block;
  width: 100%;
  height: 110px;
  border-radius: 3px;
  object-fit: cover;
  background: #f2f4f2;
}

/* A video may not paint a frame until it is played, so mark the tile as one. */
.media-tile:has(video) {
  position: relative;
}

.media-tile:has(video)::before {
  position: absolute;
  top: 46px;
  left: 50%;
  translate: -50% -50%;
  color: var(--muted);
  content: "▶";
  font-size: 1.1rem;
  pointer-events: none;
}

.media-tile figcaption {
  display: grid;
  gap: 2px;
  color: var(--ink);
  font-size: 0.8rem;
}

.media-tile figcaption span {
  color: var(--muted);
  font-size: 0.72rem;
}

.media-tile[draggable="true"] {
  cursor: grab;
}

.media-tile--dragging {
  opacity: 0.45;
}

.media-tile__tools {
  display: flex;
  align-items: center;
  gap: 8px;
}

.media-tile .text-button {
  margin-left: auto;
  font-size: 0.8rem;
}

.icon-step {
  width: 24px;
  height: 24px;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--ink);
  background: #fff;
  font-size: 0.8rem;
  line-height: 1;
}

.icon-step:hover:not(:disabled),
.icon-step:focus-visible:not(:disabled) {
  border-color: var(--green);
  color: var(--green);
}

.icon-step:disabled {
  color: #b7c0ba;
}

.media-upload {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-items: end;
}

.media-drop {
  display: grid;
  justify-items: center;
  gap: 6px;
  padding: 14px;
  border: 1px dashed #d1d5db;
  border-radius: 6px;
  color: var(--muted);
  background: #fff;
  font-size: 0.85rem;
  text-align: center;
}

.media-drop--active {
  border-color: var(--green);
  border-style: solid;
  background: rgba(181, 9, 172, 0.05);
}

.media-drop p {
  margin: 0;
}

.media-drop__pick {
  color: var(--green);
  cursor: pointer;
  font-size: 0.85rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.media-drop__pick:focus-within {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

.media-drop:has(input:disabled) .media-drop__pick {
  color: var(--muted);
  cursor: not-allowed;
  text-decoration: none;
}

/* The native file control shows a clipped, untranslatable label, so the
   surrounding text does the talking. */
.media-drop input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.media-section .form-status {
  margin: 0;
}

.status-pill {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  padding: 1px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #4b5563;
  background: transparent;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0;
}

.status-pill--open,
.status-pill--active,
.status-pill--fulfilled {
  border-color: rgba(181, 9, 172, 0.35);
  color: var(--green);
}

.status-pill--closed,
.status-pill--revoked,
.status-pill--expired,
.status-pill--cancelled {
  border-color: #fca5a5;
  color: #dc2626;
}

.status-pill--used,
.status-pill--claimed,
.status-pill--draft {
  border-color: #e5e7eb;
  color: #6b7280;
}

/* Invites / claims */
.invite-create-bar {
  display: flex;
  align-items: end;
  gap: 12px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  background: #f9fafb;
}

.invite-create-bar label {
  width: min(420px, 100%);
}

.management-table {
  min-width: 0;
  overflow: auto;
  padding: 0 24px 32px;
}

.management-table__head {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  background: var(--surface);
  font-size: 0.72rem;
  font-weight: 550;
}

.invite-table-grid,
.claim-table-grid {
  display: grid;
  min-width: 800px;
  align-items: center;
  gap: 16px;
}

.invite-table-grid {
  grid-template-columns: minmax(220px, 1.5fr) 80px 72px 170px 72px;
}

.claim-table-grid {
  grid-template-columns: 150px minmax(280px, 1.6fr) 150px 80px 96px;
}

.management-row {
  min-height: 64px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.84rem;
}

.management-row strong,
.management-row p {
  margin: 0;
}

.management-row strong {
  font-weight: 600;
}

.management-row p {
  color: var(--muted);
  font-size: 0.78rem;
}

.management-row__action {
  justify-self: end;
}

.table-empty {
  margin: 0;
  padding: 36px 0;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.hidden {
  display: none !important;
}

/* Card studio */
.card-studio-dialog {
  width: min(980px, calc(100vw - 32px));
  max-width: none;
  height: min(780px, calc(100dvh - 32px));
  max-height: none;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0;
  color: var(--ink);
  background: var(--surface);
}

.card-studio-dialog::backdrop {
  background: rgba(23, 33, 30, 0.4);
}

.card-studio {
  display: grid;
  grid-template-rows: 60px minmax(0, 1fr) 64px;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
}

.card-studio__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px 12px 24px;
  border-bottom: 1px solid var(--line);
}

.card-studio__header h2 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
}

.studio-close {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  place-items: center;
  border: 0;
  border-radius: 4px;
  color: var(--muted);
  background: transparent;
  font-size: 1.4rem;
  line-height: 1;
}

.studio-close:hover,
.studio-close:focus-visible {
  color: var(--ink);
  background: #edf0ec;
  outline: 0;
}

.studio-mobile-tabs {
  display: none;
}

.card-studio__workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  min-width: 0;
  min-height: 0;
}

.card-studio__preview {
  display: grid;
  min-width: 0;
  min-height: 0;
  place-items: center;
  overflow: hidden;
  padding: 24px;
  background: var(--paper);
}

.studio-preview-frame {
  display: grid;
  width: min(100%, 320px);
  max-height: 100%;
  aspect-ratio: 2 / 3;
  min-width: 0;
  place-items: center;
}

.card-studio__preview img {
  display: block;
  width: 100%;
  height: 100%;
  min-width: 0;
  max-width: 100%;
  object-fit: contain;
  border: 1px solid var(--line);
  background: var(--surface);
}

.card-studio__settings {
  min-width: 0;
  min-height: 0;
  overflow: auto;
  padding: 22px;
  border-left: 1px solid var(--line);
  background: var(--surface);
}

.card-studio__campaign {
  margin: 0 0 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 550;
}

.theme-picker {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0 0 20px;
  border: 0;
}

.theme-picker legend {
  margin-bottom: 8px;
  padding: 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.theme-choice {
  display: grid;
  min-width: 0;
  gap: 6px;
  color: var(--ink);
  font-size: 0.7rem;
  font-weight: 550;
  text-align: center;
}

.theme-choice input {
  position: absolute;
  opacity: 0;
}

.theme-choice img {
  display: block;
  width: 100%;
  max-width: 100%;
  aspect-ratio: 2 / 3;
  border: 1px solid var(--line);
  border-radius: 3px;
  object-fit: cover;
}

.theme-choice input:checked + img {
  border-color: var(--green);
  outline: 1px solid rgba(181, 9, 172, 0.25);
  outline-offset: 1px;
}

.theme-choice input:focus-visible + img {
  outline: 2px solid rgba(181, 9, 172, 0.35);
  outline-offset: 2px;
}

.studio-fields {
  display: grid;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.card-studio__footer {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  padding: 10px 24px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.card-studio__footer .form-status {
  flex: 1;
  margin: 0;
}

.studio-result {
  display: flex;
  align-items: center;
  gap: 16px;
}

.studio-result .primary-button {
  text-decoration: none;
}

.card-studio[data-mode="generated"] .card-studio__workspace {
  grid-template-columns: minmax(0, 1fr);
}

.card-studio[data-mode="generated"] .card-studio__settings,
.card-studio[data-mode="generated"] .studio-customize-actions {
  display: none;
}

.card-studio[data-mode="generated"] .studio-preview-frame {
  width: min(100%, 360px);
}

@media (max-width: 900px) {
  .admin-console {
    grid-template-columns: 176px minmax(0, 1fr);
  }

  .campaign-workspace {
    grid-template-columns: 240px minmax(0, 1fr);
  }

  .form-grid,
  .form-grid--three,
  .media-upload {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .admin-page {
    overflow: auto;
  }

  .admin-site-header {
    height: 52px;
    padding: 0 14px;
  }

  .admin-main {
    height: auto;
    min-height: calc(100dvh - 52px);
  }

  .admin-console {
    display: block;
    height: auto;
    min-height: calc(100dvh - 52px);
  }

  .admin-sidebar {
    position: sticky;
    top: 0;
    z-index: 5;
    display: block;
    padding: 10px 12px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    background: var(--surface);
  }

  .admin-sidebar__heading {
    display: none;
  }

  .admin-nav {
    display: flex;
    overflow-x: auto;
    gap: 0;
  }

  .admin-nav__item {
    width: auto;
    min-width: max-content;
    flex: 1 0 auto;
    border-radius: 4px 4px 0 0;
    box-shadow: none;
  }

  .admin-nav__item[aria-selected="true"] {
    box-shadow: inset 0 -2px 0 var(--green);
    background: transparent;
  }

  .admin-workarea,
  .admin-view,
  .campaign-workspace,
  .campaign-editor {
    height: auto;
    overflow: visible;
  }

  .admin-view__header {
    min-height: 56px;
    padding: 12px 14px;
  }

  .campaign-workspace {
    display: block;
  }

  .campaign-browser {
    max-height: 260px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .campaign-editor__header {
    padding: 12px 14px;
  }

  .campaign-editor__tools {
    align-items: flex-end;
    flex-direction: column;
    gap: 6px;
  }

  .admin-form {
    padding: 18px 14px 32px;
  }

  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .form-actions .primary-button {
    width: 100%;
  }

  .invite-create-bar {
    align-items: stretch;
    flex-direction: column;
    padding: 14px;
  }

  .invite-create-bar label {
    width: 100%;
  }

  .management-table {
    overflow: visible;
    padding-right: 14px;
    padding-left: 14px;
  }

  .management-table__head {
    display: none;
  }

  .invite-table-grid,
  .claim-table-grid {
    min-width: 0;
  }

  .management-row.invite-table-grid,
  .management-row.claim-table-grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 6px 14px;
    padding: 14px 0;
  }

  .management-row.invite-table-grid > :nth-child(1),
  .management-row.claim-table-grid > :nth-child(1) {
    grid-column: 1;
    grid-row: 1;
  }

  .management-row.invite-table-grid > :nth-child(2) {
    grid-column: 2;
    grid-row: 1;
  }

  .management-row.invite-table-grid > :nth-child(3) {
    grid-column: 1;
    grid-row: 2;
    color: var(--muted);
  }

  .management-row.invite-table-grid > :nth-child(3)::before {
    content: "领取 ";
  }

  .management-row.invite-table-grid > :nth-child(4) {
    grid-column: 1 / -1;
    grid-row: 3;
  }

  .management-row.invite-table-grid > :nth-child(5) {
    grid-column: 2;
    grid-row: 2;
  }

  .management-row.claim-table-grid > :nth-child(2) {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .management-row.claim-table-grid > :nth-child(3) {
    grid-column: 1;
    grid-row: 3;
    color: var(--muted);
  }

  .management-row.claim-table-grid > :nth-child(4) {
    grid-column: 2;
    grid-row: 1;
  }

  .management-row.claim-table-grid > :nth-child(5) {
    grid-column: 2;
    grid-row: 3;
  }

  .card-studio-dialog {
    width: 100vw;
    height: 100dvh;
    max-height: none;
    border-radius: 0;
  }

  .card-studio {
    grid-template-rows: 56px 42px minmax(0, 1fr) 60px;
  }

  .card-studio__header {
    padding: 10px 12px 10px 16px;
  }

  .card-studio__header h2 {
    font-size: 1.05rem;
  }

  .studio-mobile-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 4px 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .studio-mobile-tabs button {
    border: 0;
    border-bottom: 2px solid transparent;
    color: var(--muted);
    background: transparent;
    font-weight: 600;
    padding: 8px 0;
  }

  .studio-mobile-tabs button[aria-selected="true"] {
    border-bottom-color: var(--green);
    color: var(--ink);
  }

  .card-studio__workspace {
    display: block;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
  }

  .card-studio__preview,
  .card-studio__settings {
    width: 100%;
    height: 100%;
    min-width: 0;
  }

  .card-studio__preview {
    padding: 16px;
  }

  .card-studio__settings {
    border-left: 0;
    overflow: auto;
    padding: 18px 14px 24px;
  }

  .studio-preview-frame {
    width: auto;
    height: 100%;
    max-width: 100%;
  }

  .card-studio[data-mobile-view="preview"] .card-studio__settings,
  .card-studio[data-mobile-view="settings"] .card-studio__preview {
    display: none;
  }

  .card-studio[data-mode="generated"] {
    grid-template-rows: 56px minmax(0, 1fr) 60px;
  }

  .card-studio[data-mode="generated"] .studio-mobile-tabs {
    display: none;
  }

  .card-studio[data-mode="generated"] .card-studio__preview {
    display: grid;
  }

  .card-studio[data-mode="generated"] .studio-preview-frame {
    width: auto;
    height: 100%;
  }

  .card-studio__footer {
    gap: 10px;
    padding: 10px 14px;
  }

  .card-studio__footer .form-status {
    font-size: 0.76rem;
  }

  .card-studio[data-mode="generated"] .card-studio__footer .form-status {
    display: none;
  }

  .studio-result {
    width: 100%;
    justify-content: flex-end;
    gap: 12px;
  }
}

@media (max-width: 420px) {
  .admin-login {
    padding: 16px;
  }

  .admin-login__form {
    padding: 22px 18px;
  }

  .admin-nav__item {
    padding-right: 8px;
    padding-left: 8px;
    font-size: 0.82rem;
  }

  .admin-nav__count {
    display: none;
  }

  .campaign-option {
    padding: 12px 14px;
  }

  .theme-picker {
    gap: 6px;
  }

  .studio-result .text-button,
  .studio-result .primary-button {
    font-size: 0.82rem;
  }
}