:root {
  --bg: #f4eee5;
  --surface: rgba(255, 250, 244, 0.88);
  --surface-strong: #fffaf4;
  --ink: #1f1a15;
  --muted: #6e6255;
  --line: rgba(31, 26, 21, 0.12);
  --accent: #bd4b2f;
  --accent-strong: #8f331d;
  --success: #1c8d5f;
  --warning: #c57a11;
  --danger: #b93535;
  --shadow: 0 30px 80px rgba(64, 37, 16, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: 'IBM Plex Sans', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(221, 145, 91, 0.25), transparent 34%),
    radial-gradient(circle at right 20%, rgba(189, 75, 47, 0.12), transparent 28%),
    linear-gradient(180deg, #f9f2e8 0%, #efe4d7 100%);
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(31, 26, 21, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(31, 26, 21, 0.025) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.page-shell {
  width: min(1240px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 64px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 22px;
}

.brand {
  color: var(--ink);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.topbar-nav {
  display: flex;
  gap: 16px;
}

.topbar-nav a,
a {
  color: var(--accent-strong);
}

.hero,
.card-panel,
.table-card,
.issue-result,
.latest-code-board,
.notice,
.empty-page,
.login-shell .card-panel,
.mail-detail,
.mail-list,
.stat-card,
.admin-sidebar,
.admin-page-head {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero {
  padding: 34px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
}

.hero-home {
  min-height: 420px;
}

.hero-mailbox,
.admin-hero {
  margin-bottom: 24px;
}

.admin-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 24px;
}

.admin-sidebar {
  padding: 24px;
  align-self: start;
  position: sticky;
  top: 24px;
}

.admin-sidebar-brand h1 {
  font-size: 2.4rem;
  margin-bottom: 12px;
}

.admin-nav {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.admin-nav-link {
  display: block;
  padding: 14px 16px;
  border-radius: 16px;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.38);
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.admin-nav-link:hover {
  transform: translateX(2px);
  background: rgba(255, 255, 255, 0.72);
}

.admin-nav-link.is-active {
  color: var(--accent-strong);
  border-color: rgba(189, 75, 47, 0.25);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 229, 214, 0.95) 100%);
}

.admin-sidebar-logout {
  margin-top: 28px;
}

.admin-main {
  display: grid;
  gap: 24px;
  min-width: 0;
}

.admin-page-head {
  padding: 24px;
}

.admin-page-head h2 {
  font-size: 2rem;
  margin-top: 4px;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-strong);
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 0.95;
}

h2 {
  font-size: 1.5rem;
}

.hero-copy,
.muted,
.info-list span,
.subtle,
.empty-state,
.notice span {
  color: var(--muted);
}

.hero-copy {
  max-width: 56ch;
  margin-top: 16px;
  line-height: 1.75;
}

.card-panel,
.table-card,
.issue-result,
.latest-code-board,
.notice,
.empty-page,
.stat-card,
.mail-detail,
.mail-list {
  padding: 24px;
}

.compact-panel {
  max-width: 420px;
  margin: 60px auto 0;
}

.stack-form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 8px;
  font-size: 0.94rem;
  font-weight: 600;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(31, 26, 21, 0.15);
  background: rgba(255, 255, 255, 0.82);
  border-radius: 14px;
  padding: 12px 14px;
  color: var(--ink);
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}

.checkbox-row input {
  width: 18px;
  height: 18px;
}

.button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.button-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #d76f42 100%);
  color: white;
}

.button-secondary {
  background: rgba(189, 75, 47, 0.12);
  color: var(--accent-strong);
}

.button-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.button-danger {
  background: rgba(185, 53, 53, 0.12);
  color: var(--danger);
}

.button-small {
  padding: 8px 14px;
  font-size: 0.88rem;
}

.info-list,
.grid-cards,
.stats-grid,
.admin-grid,
.admin-home-grid,
.admin-settings-grid,
.result-list,
.mailbox-layout,
.mail-meta-grid,
.hero-actions,
.panel-title-row,
.action-row,
.filter-form {
  display: grid;
  gap: 16px;
}

.info-list {
  margin-top: 18px;
}

.info-list div {
  display: grid;
  gap: 4px;
}

.grid-cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 24px;
}

.feature-card {
  background: rgba(255, 250, 244, 0.62);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
}

.stats-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 24px;
}

.stat-card strong {
  display: block;
  margin-top: 12px;
  font-size: 2rem;
  font-family: 'Space Grotesk', sans-serif;
}

.admin-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 24px;
}

.admin-home-grid,
.admin-settings-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.overview-notes,
.settings-domain-list {
  display: grid;
  gap: 14px;
}

.overview-notes div,
.settings-domain-item {
  display: grid;
  gap: 6px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
}

.table-card,
.issue-result {
  margin-bottom: 24px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 16px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.inline-form {
  display: flex;
  align-items: center;
  gap: 10px;
}

.stacked-inline-form {
  display: grid;
  gap: 8px;
}

.action-row {
  grid-auto-flow: column;
  justify-content: start;
}

.panel-title-row {
  grid-template-columns: 1fr auto;
  align-items: center;
  margin-bottom: 18px;
}

.panel-title-form {
  align-items: end;
}

.filter-form {
  grid-template-columns: minmax(300px, 1fr) 180px auto;
}

.filter-search-form {
  width: min(420px, 100%);
}

.admin-inbox-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: end;
}

.admin-inbox-actions .filter-search-form {
  width: min(420px, 100%);
}

.admin-inbox-toolbar,
.admin-inbox-summary-strip,
.admin-inbox-shell .mail-list,
.admin-inbox-shell .mail-detail {
  padding: 16px;
}

.admin-inbox-toolbar .panel-title-row {
  margin-bottom: 0;
}

.admin-inbox-summary-strip {
  display: grid;
  grid-template-columns:
    minmax(110px, 0.6fr)
    minmax(110px, 0.6fr)
    minmax(110px, 0.6fr)
    minmax(110px, 0.6fr)
    minmax(220px, 1.4fr)
    minmax(220px, 1.2fr);
  gap: 12px;
  margin-bottom: 16px;
  transition: opacity 0.18s ease;
}

.admin-inbox-summary-stat {
  min-width: 0;
  padding: 12px 14px;
  border-radius: 18px;
  border: 1px solid rgba(31, 26, 21, 0.08);
  background: rgba(255, 255, 255, 0.54);
}

.admin-inbox-summary-stat span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.admin-inbox-summary-stat strong {
  display: block;
  min-width: 0;
  font-size: 1.05rem;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-inbox-summary-code {
  display: grid;
  gap: 6px;
}

.admin-inbox-summary-codes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.admin-inbox-summary-empty {
  color: var(--muted);
  font-size: 0.92rem;
  font-style: normal;
}

.admin-inbox-summary-meta {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.admin-inbox-shell {
  display: grid;
  grid-template-columns: 250px minmax(320px, 430px) minmax(0, 1fr);
  gap: 14px;
  align-items: stretch;
  height: clamp(560px, calc(100vh - 250px), 820px);
  transition: opacity 0.18s ease;
}

.admin-inbox-shell .mail-list,
.admin-inbox-shell .mail-detail {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.admin-inbox-mailbox-panel,
.admin-inbox-message-panel,
.admin-inbox-detail-panel {
  min-width: 0;
}

.admin-inbox-panel-head {
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(31, 26, 21, 0.08);
}

.admin-inbox-panel-head h2 {
  font-size: 1.1rem;
}

.admin-inbox-panel-head .subtle {
  margin-top: 4px;
}

.admin-inbox-panel-body,
.admin-inbox-detail-scroll {
  min-height: 0;
  overflow-y: auto;
  padding-right: 4px;
}

.admin-inbox-detail-scroll {
  display: grid;
  gap: 16px;
}

.admin-inbox-shell.is-loading,
.admin-inbox-summary-strip.is-loading {
  opacity: 0.58;
}

.admin-inbox-shell.is-loading {
  pointer-events: none;
}

.admin-inbox-meta-grid,
.admin-mail-detail-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.filter-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(31, 26, 21, 0.12);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.filter-chip:hover {
  border-color: rgba(189, 75, 47, 0.28);
  background: rgba(255, 255, 255, 0.96);
}

.filter-chip.is-active {
  color: white;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent) 0%, #d76f42 100%);
}

.cards-select-filters,
.cards-tools-grid {
  display: grid;
  gap: 16px;
}

.cards-select-filters {
  margin-bottom: 18px;
}

.cards-tools-disclosure {
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.48);
  overflow: hidden;
}

.cards-tools-disclosure summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  color: var(--accent-strong);
}

.cards-tools-disclosure summary:hover {
  background: rgba(255, 255, 255, 0.28);
}

.cards-tools-disclosure summary::-webkit-details-marker {
  display: none;
}

.cards-tools-disclosure summary::after {
  content: '展开';
  font-size: 0.84rem;
  color: var(--muted);
}

.cards-tools-disclosure[open] summary {
  border-bottom: 1px solid rgba(31, 26, 21, 0.1);
}

.cards-tools-disclosure[open] summary::after {
  content: '收起';
}

.cards-secondary-filter-form {
  display: grid;
  grid-template-columns: minmax(220px, 320px);
  gap: 12px;
}

.cards-tools-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 18px;
}

.cards-tools-disclosure .cards-tools-grid {
  margin-bottom: 0;
  padding: 18px;
}

.cards-tool-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.55);
  padding: 18px;
}

.list-meta-row {
  margin-bottom: 18px;
}

.card-record-list {
  display: grid;
  gap: 16px;
}

.card-record {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.56);
  padding: 14px 16px;
}

.card-record-head,
.card-record-actions,
.card-record-meta,
.card-editor-footer {
  display: flex;
  gap: 12px;
}

.card-record-head {
  align-items: start;
  justify-content: space-between;
}

.card-record-title {
  min-width: 0;
}

.card-record-code {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.card-record-subtitle {
  margin-top: 4px;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.card-record-primary-email {
  color: var(--ink);
  font-weight: 600;
  word-break: break-all;
}

.card-record-actions {
  align-items: center;
  flex-wrap: wrap;
  justify-content: end;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 76px;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 700;
}

.status-pill.is-active {
  background: rgba(28, 141, 95, 0.12);
  color: var(--success);
}

.status-pill.is-disabled {
  background: rgba(31, 26, 21, 0.08);
  color: var(--muted);
}

.status-pill.is-unbound {
  background: rgba(32, 110, 171, 0.12);
  color: #245f8f;
}

.status-pill.is-archived {
  background: rgba(189, 75, 47, 0.14);
  color: var(--accent-strong);
}

.status-pill.is-expired {
  background: rgba(185, 53, 53, 0.12);
  color: var(--danger);
}

.status-pill.is-trashed {
  background: rgba(197, 122, 17, 0.14);
  color: var(--warning);
}

.card-record-inline-meta,
.card-record-inline-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.88rem;
}

.card-record-inline-meta strong {
  color: var(--ink);
  font-weight: 600;
}

.card-record-inline-summary {
  align-items: center;
}

.tag-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-pill,
.archive-note-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 700;
}

.tag-pill {
  background: rgba(31, 26, 21, 0.06);
  color: var(--ink);
}

.tag-pill-mailbox {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
}

.archive-note-badge {
  background: rgba(189, 75, 47, 0.12);
  color: var(--accent-strong);
}

.summary-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  background: rgba(31, 26, 21, 0.06);
  color: var(--muted);
}

.summary-text {
  min-width: 0;
  max-width: min(100%, 460px);
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-editor {
  margin-top: 12px;
  border-top: 1px dashed rgba(31, 26, 21, 0.14);
  padding-top: 12px;
}

.card-editor summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--accent-strong);
  list-style: none;
}

.card-editor summary::-webkit-details-marker {
  display: none;
}

.card-editor summary::after {
  content: '展开';
  margin-left: 10px;
  font-size: 0.84rem;
  color: var(--muted);
}

.card-editor[open] summary::after {
  content: '收起';
}

.card-editor-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.card-editor-span-full,
.card-editor-note {
  grid-column: 1 / -1;
}

.card-editor-footer {
  grid-column: 1 / -1;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}

.card-editor-actions,
.card-trash-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.card-trash-actions {
  margin-top: 14px;
}

.card-form-feedback {
  min-height: 1.5em;
}

.card-form-feedback.is-success {
  color: var(--success);
}

.card-form-feedback.is-error {
  color: var(--danger);
}

.card-form-feedback.is-loading {
  color: var(--muted);
}

.list-pagination,
.pagination-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.list-pagination {
  justify-content: space-between;
  margin-top: 18px;
  flex-wrap: wrap;
}

.button.is-disabled {
  opacity: 0.45;
  pointer-events: none;
}

.flash {
  margin-bottom: 18px;
  padding: 14px 18px;
  border-radius: 16px;
  font-weight: 600;
}

.flash-success {
  background: rgba(28, 141, 95, 0.12);
  color: var(--success);
}

.flash-error {
  background: rgba(185, 53, 53, 0.12);
  color: var(--danger);
}

.flash-info {
  background: rgba(189, 75, 47, 0.12);
  color: var(--accent-strong);
}

.notice.warning {
  margin-bottom: 24px;
  border-color: rgba(197, 122, 17, 0.2);
}

.latest-code-board {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  margin-bottom: 24px;
  transition: opacity 0.18s ease;
}

.code-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}

.code-badge {
  border: 1px solid rgba(189, 75, 47, 0.18);
  background: rgba(255, 255, 255, 0.9);
  color: var(--accent-strong);
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.code-badge.copied {
  background: rgba(28, 141, 95, 0.12);
  color: var(--success);
}

.copy-toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 1200;
  min-width: 120px;
  max-width: min(80vw, 320px);
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid rgba(31, 26, 21, 0.08);
  background: rgba(31, 26, 21, 0.92);
  color: #fffaf4;
  font-size: 0.9rem;
  font-weight: 700;
  text-align: center;
  box-shadow: 0 18px 40px rgba(31, 26, 21, 0.18);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 16px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.copy-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.copy-toast.is-error {
  background: rgba(185, 53, 53, 0.94);
}

.mailbox-layout {
  grid-template-columns: 360px minmax(0, 1fr);
  transition: opacity 0.18s ease;
}

.mailbox-layout-multi {
  grid-template-columns: 420px minmax(0, 1fr);
  align-items: start;
}

.mailbox-sidebar {
  display: grid;
  gap: 18px;
}

.mail-sidebar-section {
  display: grid;
  gap: 14px;
}

.mailbox-item-list {
  display: grid;
  gap: 10px;
}

.mailbox-item {
  display: grid;
  gap: 6px;
  padding: 14px;
  border-radius: 16px;
  text-decoration: none;
  color: inherit;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.42);
}

.mailbox-item strong {
  word-break: break-all;
}

.mailbox-item span,
.detail-mailbox-label {
  color: var(--muted);
}

.mailbox-item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 2px;
}

.admin-mailbox-item {
  gap: 8px;
  padding: 10px 12px;
  border-radius: 14px;
}

.admin-mailbox-item-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 10px;
}

.admin-mailbox-item strong,
.admin-mailbox-item span,
.admin-mailbox-line {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-mailbox-item strong {
  font-size: 0.95rem;
}

.admin-mailbox-line {
  color: var(--muted);
  font-size: 0.84rem;
}

.admin-mailbox-item .status-pill {
  min-width: auto;
  padding: 6px 10px;
}

.admin-mailbox-item .mailbox-item-meta {
  margin-top: 0;
  gap: 6px;
}

.admin-mailbox-item .tag-pill,
.admin-mailbox-item .archive-note-badge {
  padding: 5px 10px;
  font-size: 0.75rem;
}

.mailbox-item.is-active {
  border-color: rgba(189, 75, 47, 0.28);
  background: rgba(255, 255, 255, 0.82);
}

.latest-code-board.is-loading,
.mailbox-layout.is-loading {
  opacity: 0.58;
}

.mailbox-layout.is-loading {
  pointer-events: none;
}

.button.is-loading {
  opacity: 0.7;
}

.mail-item {
  display: grid;
  gap: 6px;
  padding: 14px;
  border-radius: 16px;
  text-decoration: none;
  color: inherit;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.42);
  margin-bottom: 10px;
}

.mail-item.is-active {
  border-color: rgba(189, 75, 47, 0.28);
  background: rgba(255, 255, 255, 0.82);
}

.mail-item-compact {
  gap: 8px;
  padding: 12px 14px;
}

.mail-item-top,
.mail-item-body {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.mail-item-top {
  justify-content: space-between;
}

.mail-item-top strong,
.mail-item-top time,
.mail-item-preview {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mail-item-top strong {
  flex: 1 1 auto;
}

.mail-item-top time {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 0.8rem;
}

.mail-item-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-width: 72px;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 10px;
  border: 1px solid rgba(189, 75, 47, 0.22);
  background: rgba(255, 255, 255, 0.92);
  color: var(--accent-strong);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.mail-item-code.has-code {
  background: rgba(189, 75, 47, 0.1);
}

.mail-item-code.is-empty {
  border-style: dashed;
  color: rgba(110, 98, 85, 0.5);
}

.mail-item-code.is-copyable {
  cursor: pointer;
}

.mail-item-code.copied {
  background: rgba(28, 141, 95, 0.12);
  border-color: rgba(28, 141, 95, 0.24);
  color: var(--success);
}

.mail-item-preview {
  flex: 1 1 auto;
  color: var(--muted);
  font-size: 0.88rem;
}

.admin-mail-item {
  display: grid;
  gap: 8px;
  padding: 10px 12px;
  margin-bottom: 8px;
}

.admin-mail-item-top,
.admin-mail-item-body {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.admin-mail-item-top {
  justify-content: space-between;
}

.admin-mail-item > *,
.admin-mail-item-top > *,
.admin-mail-item-body > * {
  min-width: 0;
}

.admin-mail-sender,
.admin-mail-summary,
.admin-mail-date {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-mail-sender {
  flex: 1 1 auto;
  font-weight: 600;
  color: var(--ink);
  font-size: 0.9rem;
}

.admin-mail-summary {
  flex: 1 1 auto;
  color: var(--muted);
  font-size: 0.87rem;
}

.admin-mail-date {
  flex: 0 0 auto;
  color: var(--muted);
  text-align: right;
  font-size: 0.78rem;
}

.admin-mail-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-height: 28px;
  padding: 0 9px;
  border-radius: 8px;
  border: 1px solid rgba(189, 75, 47, 0.22);
  background: rgba(255, 255, 255, 0.92);
  color: var(--accent-strong);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.admin-mail-code.is-empty {
  border-style: dashed;
  color: rgba(110, 98, 85, 0.5);
}

.admin-mail-code.has-code {
  background: rgba(189, 75, 47, 0.1);
}

.admin-mail-code.is-copyable {
  cursor: pointer;
}

.admin-mail-code.copied {
  background: rgba(28, 141, 95, 0.12);
  border-color: rgba(28, 141, 95, 0.24);
  color: var(--success);
}

.admin-detail-summary {
  display: grid;
  gap: 14px;
}

.admin-detail-hero {
  display: grid;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(31, 26, 21, 0.08);
}

.admin-detail-title-row {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.admin-detail-title-block {
  min-width: 0;
}

.admin-detail-title-block h2 {
  font-size: 1.35rem;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.admin-detail-time {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
}

.admin-detail-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.admin-detail-meta-chip {
  min-width: 0;
  flex: 1 1 160px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(31, 26, 21, 0.08);
  background: rgba(255, 255, 255, 0.56);
}

.admin-detail-meta-chip span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.admin-detail-meta-chip strong {
  display: block;
  min-width: 0;
  font-size: 0.9rem;
  line-height: 1.4;
  word-break: break-all;
  overflow-wrap: anywhere;
}

.admin-code-strip {
  display: grid;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(189, 75, 47, 0.16);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.88) 0%, rgba(248, 229, 214, 0.82) 100%);
}

.admin-code-strip-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.admin-code-strip-head span {
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.admin-code-strip-head strong {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.admin-code-strip .code-badges {
  margin-top: 0;
}

.admin-detail-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.admin-detail-fact {
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.58);
}

.admin-detail-fact span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.admin-detail-fact strong {
  display: block;
  min-width: 0;
  line-height: 1.4;
  font-size: 0.92rem;
  word-break: break-all;
  overflow-wrap: anywhere;
}

.admin-detail-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.code-badge-inline {
  min-height: 0;
  padding: 6px 10px;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
}

.mail-meta-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mail-meta-grid > div {
  min-width: 0;
}

.mail-meta-grid.compact {
  margin-top: 20px;
  margin-bottom: 20px;
}

.mail-meta-grid span {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 4px;
}

.mail-meta-grid strong {
  display: block;
  min-width: 0;
  word-break: break-all;
  overflow-wrap: anywhere;
}

.mail-header-highlight {
  margin-bottom: 22px;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(189, 75, 47, 0.16);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.88) 0%, rgba(248, 229, 214, 0.82) 100%);
}

.mail-header-highlight .eyebrow {
  margin-bottom: 8px;
}

.mail-header-highlight .code-badges {
  margin-top: 0;
}

.inline-section {
  margin-top: 2px;
}

.inline-section h3 {
  margin-bottom: 10px;
  font-size: 1rem;
}

.mail-text {
  white-space: pre-wrap;
  background: rgba(255, 255, 255, 0.72);
  border-radius: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  overflow-x: auto;
}

.html-preview {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  overflow-x: auto;
}

.mail-html-frame {
  width: 100%;
  min-height: 560px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
}

.admin-html-preview {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.56);
  overflow: hidden;
}

.admin-html-preview summary {
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}

.admin-html-preview summary::-webkit-details-marker {
  display: none;
}

.admin-html-preview .mail-html-frame {
  display: block;
  border: 0;
  border-top: 1px solid rgba(31, 26, 21, 0.08);
  border-radius: 0;
}

.mail-detail-toggle {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.56);
  overflow: hidden;
}

.mail-detail-toggle summary {
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}

.mail-detail-toggle summary::-webkit-details-marker {
  display: none;
}

.mail-detail-toggle .mail-text {
  margin: 0;
  border: 0;
  border-top: 1px solid rgba(31, 26, 21, 0.08);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.82);
}

.attachment-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.attachment-item {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(189, 75, 47, 0.1);
  text-decoration: none;
}

.hero-actions {
  justify-items: end;
}

.result-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.result-card {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  display: grid;
  gap: 8px;
}

.empty-page {
  margin-top: 40px;
  text-align: center;
}

.meta-divider {
  margin: 0 6px;
  color: var(--muted);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: rgba(31, 26, 21, 0.06);
  padding: 2px 6px;
  border-radius: 8px;
}

@media (max-width: 980px) {
  .hero,
  .admin-shell,
  .admin-inbox-shell,
  .admin-grid,
  .admin-home-grid,
  .admin-settings-grid,
  .stats-grid,
  .grid-cards,
  .latest-code-board,
  .mailbox-layout,
  .mail-meta-grid,
  .card-record-meta,
  .card-summary-row,
  .card-editor-form,
  .cards-tools-grid,
  .result-list,
  .filter-form {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    justify-items: start;
  }

  .admin-sidebar {
    position: static;
  }

  .admin-inbox-summary-strip,
  .admin-detail-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-inbox-shell {
    height: auto;
  }

  .admin-inbox-panel-body,
  .admin-inbox-detail-scroll {
    max-height: 320px;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100vw - 18px, 100%);
  }

  .topbar {
    flex-direction: column;
    align-items: start;
  }

  .hero,
  .card-panel,
  .table-card,
  .issue-result,
  .latest-code-board,
  .notice,
  .empty-page,
  .mail-detail,
  .mail-list,
  .stat-card {
    border-radius: 18px;
    padding: 18px;
  }

  .list-pagination,
  .pagination-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .admin-inbox-summary-strip,
  .admin-detail-facts {
    grid-template-columns: 1fr;
  }

  .mail-item-top,
  .mail-item-body,
  .admin-mail-item-top,
  .admin-mail-item-body {
    flex-direction: column;
    align-items: start;
  }

  .admin-mail-date {
    text-align: left;
  }

  .admin-detail-title-row {
    flex-direction: column;
    align-items: stretch;
  }

  .admin-detail-time {
    white-space: normal;
  }

  .admin-code-strip-head {
    flex-direction: column;
    align-items: start;
  }

  .admin-detail-meta-row {
    flex-direction: column;
  }

  .admin-mailbox-item-top {
    flex-direction: column;
    align-items: start;
  }

  .card-record-head,
  .card-record-actions,
  .card-editor-footer,
  .card-editor-actions,
  .card-trash-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cards-secondary-filter-form {
    grid-template-columns: 1fr;
  }
}