:root {
  color-scheme: dark;
  --color-canvas: #080b12;
  --color-canvas-soft: #0f172a;
  --color-surface: #111827;
  --color-surface-muted: #172033;
  --color-surface-strong: #1f2937;
  --color-primary: #f97316;
  --color-primary-strong: #fb923c;
  --color-primary-soft: rgba(249, 115, 22, .16);
  --color-primary-faint: rgba(249, 115, 22, .08);
  --color-accent: #60a5fa;
  --color-accent-soft: rgba(96, 165, 250, .14);
  --color-success: #86efac;
  --color-success-soft: rgba(34, 197, 94, .16);
  --color-warning: #fbbf24;
  --color-warning-soft: rgba(251, 191, 36, .16);
  --color-danger: #fca5a5;
  --color-danger-soft: rgba(239, 68, 68, .16);
  --color-info: #cbd5e1;
  --color-info-soft: rgba(148, 163, 184, .16);
  --color-text: #f8fafc;
  --color-muted: #a7b0c2;
  --color-subtle: #747f93;
  --color-border: #293548;
  --color-border-strong: #3b4a61;
  --shadow-card: 0 24px 70px rgba(0, 0, 0, .34);
  --shadow-soft: 0 14px 34px rgba(0, 0, 0, .26);
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --font-sans: "Aptos", "Segoe UI", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "Cascadia Mono", "Consolas", ui-monospace, monospace;
  --transition-fast: 150ms ease;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  overflow-x: hidden;
  background: var(--color-canvas);
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  background:
    radial-gradient(circle at top left, rgba(249, 115, 22, .18), transparent 330px),
    radial-gradient(circle at top right, rgba(96, 165, 250, .12), transparent 380px),
    linear-gradient(180deg, var(--color-canvas-soft) 0%, var(--color-canvas) 360px);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, black, transparent 520px);
}

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

button,
.link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 10px 15px;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

button:hover,
.link-button:hover {
  transform: translateY(-1px);
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-primary-strong);
  outline-offset: 2px;
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding: var(--space-6) 0 var(--space-10);
}

.panel,
.card {
  min-width: 0;
  border: 1px solid rgba(41, 53, 72, .95);
  border-radius: var(--radius-lg);
  background: rgba(17, 24, 39, .92);
  box-shadow: var(--shadow-card);
}

.page-header,
.hero {
  box-shadow: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-3);
  padding: var(--space-5);
  overflow: hidden;
  position: relative;
}

.page-header::after,
.hero::after {
  content: "";
  position: absolute;
  inset: auto -70px -120px auto;
  width: 190px;
  height: 190px;
  border-radius: 999px;
  background: var(--color-primary-soft);
}

.auth-header {
  max-width: 640px;
  margin-right: auto;
  margin-left: auto;
  padding: var(--space-4) var(--space-5);
}

.auth-header::after {
  width: 130px;
  height: 130px;
  opacity: .65;
}

.page-title-block {
  min-width: 0;
  position: relative;
  z-index: 1;
}

.logout-form {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 0 0 auto;
  margin: 0;
}

.user-chip {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  max-width: 220px;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface-muted);
  color: var(--color-muted);
  font-size: .88rem;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.eyebrow {
  margin: 0 0 var(--space-2);
  color: var(--color-primary-strong);
  font-size: .74rem;
  font-weight: 900;
  letter-spacing: .14em;
  line-height: 1.15;
  padding-top: 1px;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--color-text);
  letter-spacing: -.03em;
  line-height: 1.08;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

h2 {
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
}

h3 {
  font-size: 1rem;
}

p {
  color: var(--color-muted);
}

.page-subtitle {
  max-width: 650px;
  margin: var(--space-3) 0 0;
  color: var(--color-muted);
}

small {
  display: block;
  margin-top: var(--space-2);
  color: var(--color-muted);
  font-size: .86rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(340px, .72fr) minmax(0, 1.28fr);
  gap: var(--space-5);
  align-items: start;
}

.workspace .output-panel {
  min-width: 0;
}

.admin-stats,
.stat-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.form-panel,
.output-panel,
.error-panel {
  padding: var(--space-5);
}

.form-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.form-heading,
.section-header,
.result-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.form-heading {
  display: block;
  margin-bottom: 0;
}

.form-heading p,
.section-header p {
  margin: var(--space-2) 0 0;
}

.auth-card {
  width: min(480px, 100%);
  margin: var(--space-8) auto 0;
  overflow: hidden;
}

.auth-intro {
  padding: var(--space-6) var(--space-6) 0;
}

.auth-intro p {
  margin: var(--space-2) 0 0;
}

.auth-card .form-panel {
  display: block;
}

.auth-card .field-block + .field-block,
.auth-card .actions {
  margin-top: var(--space-4);
}

.field-wide {
  grid-column: 1 / -1;
}

label,
.field-block label {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-text);
  font-size: .86rem;
  font-weight: 750;
}

input,
select,
textarea {
  width: 100%;
  max-width: 100%;
  min-height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-muted);
  color: var(--color-text);
  padding: 10px 12px;
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
textarea:-webkit-autofill,
textarea:-webkit-autofill:hover,
textarea:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--color-text);
  caret-color: var(--color-text);
  border-color: var(--color-border-strong);
  box-shadow: 0 0 0 1000px var(--color-surface-muted) inset;
  transition: background-color 9999s ease-in-out 0s;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-subtle);
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(249, 115, 22, .68);
  background: var(--color-surface-strong);
  box-shadow: 0 0 0 4px rgba(249, 115, 22, .10);
}

input[type="checkbox"] {
  width: auto;
  min-height: 0;
  margin: 0 var(--space-2) 0 0;
  accent-color: var(--color-primary);
}

.shell .actions,
.page-nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.page-nav {
  margin-bottom: var(--space-5);
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: rgba(17, 24, 39, .76);
  box-shadow: var(--shadow-soft);
  width: fit-content;
  max-width: 100%;
}

.primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 12px 24px rgba(249, 115, 22, .22);
}

.primary:hover {
  background: var(--color-primary-strong);
}

.secondary,
.ghost,
.link-button {
  border-color: var(--color-border);
  background: var(--color-surface-muted);
  color: var(--color-text);
}

.secondary {
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
}

.ghost {
  color: var(--color-muted);
}

.ghost:hover,
.link-button:hover,
.secondary:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface-strong);
  color: var(--color-text);
}

a.active,
.link-button.active,
.page-nav .active {
  border-color: rgba(251, 146, 60, .62);
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
}

.danger {
  border-color: rgba(252, 165, 165, .36);
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.danger:hover {
  border-color: rgba(252, 165, 165, .64);
  background: rgba(239, 68, 68, .22);
}

.alert,
.summary {
  margin: 0;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-muted);
}

.page-header + .alert,
.hero + .summary,
.hero + .alert {
  margin-bottom: var(--space-5);
}

.alert-ok,
.alert-success,
.summary.ok,
.summary.success {
  border-color: rgba(21, 128, 61, .20);
  background: var(--color-success-soft);
  color: var(--color-success);
}

.alert-bad,
.alert-error,
.summary.bad,
.summary.error {
  border-color: rgba(185, 28, 28, .18);
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.empty-state,
.summary.empty-state {
  border-style: dashed;
  background: var(--color-surface-muted);
  color: var(--color-muted);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin: var(--space-4) 0;
}

.metric-card,
.result-grid .summary {
  border-color: var(--color-border);
  background: linear-gradient(180deg, var(--color-surface), var(--color-surface-muted));
}

.metric-card strong,
.result-grid strong {
  display: inline-block;
  color: var(--color-text);
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  line-height: 1;
}

.email-result-box {
  margin: var(--space-4) 0;
}

.email-result-box textarea,
.message-body {
  min-height: 260px;
  resize: vertical;
  font-family: var(--font-mono);
  line-height: 1.65;
  white-space: pre;
}

.message-body {
  overflow: auto;
  margin: 0;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
  color: var(--color-text);
}

.html-email-preview {
  display: block;
  width: 100%;
  min-height: 520px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  color-scheme: light;
}

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

.inbox-meta-grid {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-4) 0;
}

.example-strip,
.check-strip {
  display: flex;
  align-items: center;
  min-height: 46px;
  margin: 0;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-muted);
  color: var(--color-muted);
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  margin-top: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

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

th,
td {
  padding: 13px 14px;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--color-border);
}

th {
  background: var(--color-surface-muted);
  color: var(--color-muted);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

td {
  color: var(--color-text);
  overflow-wrap: anywhere;
}

.cell-date,
.cell-domain,
.cell-status,
.cell-action {
  white-space: nowrap;
}

.cell-action .link-button {
  white-space: nowrap;
}

.dashboard-batches-table th:nth-child(1),
.dashboard-batches-table td:nth-child(1),
.dashboard-batches-table th:nth-child(8),
.dashboard-batches-table td:nth-child(8) {
  width: 1%;
}

.dashboard-batches-table th:nth-child(2),
.dashboard-batches-table td:nth-child(2) {
  min-width: 140px;
}

.batch-card-list,
.user-card-list {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.batch-card,
.user-card {
  min-width: 0;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
}

.batch-card-main,
.user-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.batch-card-main strong,
.user-card-head strong {
  overflow-wrap: anywhere;
}

.batch-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-2);
  margin: var(--space-4) 0;
}

.batch-meta div,
.user-card-section {
  min-width: 0;
}

.batch-meta dt {
  color: var(--color-subtle);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.batch-meta dd {
  margin: var(--space-1) 0 0;
  color: var(--color-text);
  overflow-wrap: anywhere;
}

.batch-card .link-button {
  width: 100%;
}

.user-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, .42fr);
  gap: var(--space-4);
}

.user-card-head {
  grid-column: 1 / -1;
}

.user-card-section h3 {
  margin-bottom: var(--space-3);
  color: var(--color-muted);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.user-card-actions {
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.user-card-actions form {
  display: grid;
  gap: var(--space-2);
}

.user-card-actions .link-button,
.user-card-actions button {
  width: 100%;
}

tr:last-child td {
  border-bottom: 0;
}

tr:hover td {
  background: rgba(249, 115, 22, .025);
}

.table-wrap td form {
  display: grid;
  gap: var(--space-2);
}

.users-table label {
  margin-top: var(--space-2);
  color: var(--color-muted);
  font-size: .78rem;
}

.users-table input,
.users-table select,
.users-table button {
  min-height: 38px;
}

.users-table td[data-label="Limit"] input {
  max-width: 110px;
}

.users-table td[data-label="Action"] {
  gap: var(--space-2);
}

.users-table td[data-label="Action"] form {
  display: grid;
  gap: var(--space-2);
}

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

.users-table table {
  min-width: 900px;
}

.users-table th:nth-child(1),
.users-table td:nth-child(1) {
  min-width: 170px;
}

.users-table th:nth-child(3),
.users-table td:nth-child(3) {
  min-width: 310px;
}

.users-table th:nth-child(4),
.users-table td:nth-child(4),
.users-table th:nth-child(5),
.users-table td:nth-child(5) {
  min-width: 170px;
}

.users-table .link-button,
.users-table button {
  white-space: nowrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 26px;
  padding: 3px 10px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.badge-active,
.badge-completed,
.badge-success,
.badge-yes {
  background: var(--color-success-soft);
  color: var(--color-success);
}

.badge-pending,
.badge-running,
.badge-processing,
.badge-completed_with_errors,
.badge-delete_partial {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.badge-suspended,
.badge-failed,
.badge-error,
.badge-no,
.badge-delete_failed {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.badge-default,
.badge-created,
.badge-queued,
.badge-deleted {
  background: var(--color-info-soft);
  color: var(--color-info);
}

.stat-card {
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: "";
  position: absolute;
  right: -48px;
  bottom: -64px;
  width: 160px;
  height: 160px;
  border-radius: 999px;
  background: var(--color-primary-faint);
}

.stat-card .summary {
  width: fit-content;
  min-width: 72px;
  margin-top: var(--space-5);
  border: 0;
  background: transparent;
  color: var(--color-text);
  padding: 0;
  font-size: clamp(2rem, 5vw, 2.9rem);
  font-weight: 900;
  line-height: 1;
}

.error-panel {
  max-width: 680px;
  margin: var(--space-8) auto 0;
  text-align: center;
}

.error-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  margin-bottom: var(--space-4);
  border-radius: 24px;
  background: var(--color-danger-soft);
  color: var(--color-danger);
  font-size: 1.4rem;
  font-weight: 900;
}

.error-actions {
  justify-content: center;
  margin-top: var(--space-4);
}

.toggle-option {
  gap: var(--space-2);
  justify-content: flex-start;
  min-height: 42px;
}

.toggle-option input {
  width: 34px;
  height: 18px;
  border-radius: 999px;
}

.domain-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.domain-chip {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--color-accent-soft);
  color: #93c5fd;
  font-size: .78rem;
  font-weight: 750;
}

.quota-summary,
.quota-editor {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-2);
}

.quota-card,
.quota-row {
  min-width: 0;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-muted);
}

.quota-card span,
.quota-row label {
  color: var(--color-muted);
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.quota-card strong {
  display: block;
  margin-top: var(--space-1);
  color: var(--color-text);
  font-size: 1.45rem;
  line-height: 1;
}

.quota-card small,
.quota-row small {
  display: block;
  margin-top: var(--space-1);
  color: var(--color-subtle);
}

.quota-empty {
  border-style: dashed;
  opacity: .82;
}

.compact-quota {
  grid-template-columns: repeat(2, minmax(116px, 1fr));
  align-items: start;
}

.compact-quota button {
  grid-column: 1 / -1;
}

.quota-inline {
  display: grid;
  grid-template-columns: auto minmax(58px, 1fr);
  gap: var(--space-1) var(--space-2);
  align-items: center;
  margin: 0;
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-muted);
}

.quota-inline span {
  color: var(--color-muted);
  font-size: .76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.quota-inline input {
  min-height: 34px;
  padding: 6px 8px;
}

.quota-inline small {
  grid-column: 1 / -1;
  margin: 0;
  font-size: .75rem;
}

.filter-bar,
.delete-panel {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
}

.filter-bar {
  grid-template-columns: minmax(220px, 1fr) auto;
  align-items: end;
}

.delete-panel {
  max-width: 520px;
  background: var(--color-danger-soft);
}

.delete-panel small {
  color: var(--color-muted);
}

.mobile-card-table .badge-deleted {
  background: transparent;
  border-style: dashed;
}

@media (max-width: 980px) {
  .workspace,
  .admin-stats,
  .stat-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .batch-meta,
  .user-card {
    grid-template-columns: 1fr;
  }

  .batch-card-main,
  .user-card-head {
    align-items: flex-start;
  }

  .mobile-card-table {
    overflow-x: visible;
    border: 0;
    background: transparent;
  }

  .mobile-card-table table,
  .mobile-card-table thead,
  .mobile-card-table tbody,
  .mobile-card-table tr,
  .mobile-card-table th,
  .mobile-card-table td {
    display: block;
  }

  .users-table table,
  .dashboard-batches-table table {
    min-width: 0;
  }

  .mobile-card-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .mobile-card-table tr {
    margin-bottom: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
  }

  .mobile-card-table td {
    display: grid;
    grid-template-columns: minmax(112px, .34fr) minmax(0, 1fr);
    gap: var(--space-3);
    align-items: start;
    padding: var(--space-3);
    border-bottom: 1px solid var(--color-border);
  }

  .mobile-card-table .cell-date,
  .mobile-card-table .cell-domain,
  .mobile-card-table .cell-status,
  .mobile-card-table .cell-action {
    white-space: normal;
  }

  .mobile-card-table .link-button,
  .mobile-card-table button {
    white-space: normal;
  }

  .mobile-card-table td::before {
    content: attr(data-label);
    color: var(--color-subtle);
    font-size: .72rem;
    font-weight: 900;
    letter-spacing: .08em;
    text-transform: uppercase;
  }

  .mobile-card-table td:last-child {
    border-bottom: 0;
  }

  .mobile-card-table td form,
  .mobile-card-table td input,
  .mobile-card-table td select,
  .mobile-card-table td button,
  .mobile-card-table td .link-button {
    min-width: 0;
    width: 100%;
  }

  .mobile-card-table td .badge,
  .mobile-card-table td .link-button,
  .mobile-card-table td button {
    justify-self: stretch;
  }

  .mobile-card-table td[data-label="Action"],
  .mobile-card-table td[data-label="Delete"] {
    display: grid;
  }

  .filter-bar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .shell {
    width: 100%;
    padding: var(--space-2) var(--space-3) var(--space-6);
  }

  .page-header,
  .hero {
    display: block;
    padding: var(--space-3);
    border-radius: var(--radius-md);
  }

  .auth-header,
  .auth-card {
    margin-top: var(--space-3);
  }

  .auth-header::after,
  .page-header::after,
  .hero::after {
    width: 110px;
    height: 110px;
    opacity: .55;
  }

  .logout-form {
    margin-top: var(--space-3);
    display: grid;
    grid-template-columns: 1fr;
  }

  .user-chip {
    justify-content: center;
    max-width: 100%;
  }

  .form-panel,
  .output-panel,
  .error-panel {
    padding: var(--space-4);
  }

  .form-panel,
  .result-grid,
  .inbox-meta-grid {
    grid-template-columns: 1fr;
  }

  .shell .page-nav,
  .shell .actions {
    align-items: stretch;
  }

  .page-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    border-radius: var(--radius-md);
    gap: var(--space-2);
  }

  .hero button,
  .primary,
  .secondary,
  .ghost,
  .link-button {
    width: 100%;
  }

  .users-table td[data-label="Limit"] input {
    max-width: 100%;
  }

  .mobile-card-table td {
    grid-template-columns: minmax(86px, auto) minmax(0, 1fr);
    gap: var(--space-2);
  }

  .quota-summary,
  .quota-editor,
  .compact-quota {
    grid-template-columns: 1fr;
  }

  .quota-inline {
    grid-template-columns: minmax(64px, auto) minmax(0, 1fr);
  }
}

@media (max-width: 420px) {
  body {
    font-size: 14px;
  }

  .page-header,
  .hero,
  .form-panel,
  .output-panel,
  .error-panel {
    padding: var(--space-3);
  }
}