:root {
  color-scheme: light;

  /* Neutrals */
  --bg: #f4f6f7;
  --surface: #ffffff;
  --surface-muted: #f7f8fa;
  --surface-sunken: #eef1f4;
  --text: #18222d;
  --text-soft: #3d4a57;
  --muted: #6b7683;
  --line: #e4e8ed;
  --line-strong: #d3d9e0;

  /* Single accent */
  --brand: #0f766e;
  --brand-dark: #0b5e58;
  --brand-soft: #e6f3f0;
  --brand-ring: rgba(15, 118, 110, 0.16);

  /* Status */
  --danger: #b42318;
  --danger-soft: #fef3f2;
  --danger-line: #fbd5d1;
  --success: #067647;
  --success-soft: #ecfdf3;
  --success-line: #c7f0d8;
  --warning: #b54708;
  --warning-soft: #fffaeb;
  --warning-line: #fde7b0;

  /* Radius scale */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 22px;
  --radius-pill: 999px;

  /* Spacing scale (4px base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;

  /* Controls */
  --control-h: 42px;
  --control-h-sm: 36px;
  --control-h-lg: 48px;

  /* Elevation */
  --shadow-xs: 0 1px 2px rgba(16, 24, 40, 0.04);
  --shadow-sm: 0 1px 3px rgba(16, 24, 40, 0.06), 0 1px 2px rgba(16, 24, 40, 0.03);
  --shadow-md: 0 12px 32px rgba(16, 24, 40, 0.07);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "SF Pro Text", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
}

a,
button {
  touch-action: manipulation;
}

a {
  color: var(--brand);
  text-decoration: none;
  transition: color 140ms ease;
}

a:hover {
  color: var(--brand-dark);
  text-decoration: none;
}

/* ---------- Top bar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
}

.topbar-inner {
  position: relative;
  max-width: 1120px;
  margin: 0 auto;
  padding: 10px var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: nowrap;
}

.brand {
  color: var(--text);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.brand:hover {
  color: var(--brand);
}

.nav-panel {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex: 1;
  min-width: 0;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
  transition: background-color 140ms ease, border-color 140ms ease;
}

.menu-toggle:hover {
  background: var(--surface-muted);
  border-color: var(--line-strong);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--text);
  transition: transform 160ms ease, opacity 160ms ease;
}

.menu-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.user-identity {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
}

.main-nav a {
  color: var(--muted);
  padding: 7px 13px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: color 140ms ease, background-color 140ms ease;
}

.main-nav a:hover {
  color: var(--text);
  background: var(--surface-muted);
}

.main-nav a.active {
  color: var(--brand-dark);
  background: var(--brand-soft);
  font-weight: 600;
}

.user-area {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--muted);
  font-size: 14px;
}

.user-name {
  color: var(--text);
  font-weight: 500;
}

.role-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: var(--radius-pill);
  background: var(--surface-muted);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.inline-form {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
}

.link-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 6px 8px;
  border-radius: var(--radius-xs);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: color 140ms ease, background-color 140ms ease;
}

.link-button:hover {
  color: var(--danger);
  background: var(--danger-soft);
}

/* ---------- Layout ---------- */

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-6) 64px;
}

.alert {
  margin-bottom: var(--space-5);
  padding: 12px var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-xs);
  font-size: 14px;
}

.alert.success {
  background: var(--success-soft);
  border-color: var(--success-line);
  color: var(--success);
}

.alert.error {
  background: var(--danger-soft);
  border-color: var(--danger-line);
  color: var(--danger);
}

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

.page-head h1 {
  margin: 0;
  font-size: 26px;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.page-head p {
  margin: 6px 0 0;
  font-size: 14px;
}

h2 {
  margin: 0 0 var(--space-4);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.005em;
}

h3 {
  margin: 20px 0 var(--space-3);
  font-size: 15px;
  font-weight: 600;
}

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

.small {
  font-size: 13px;
}

.nowrap {
  white-space: nowrap;
}

.filters {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.filters input,
.filters select {
  width: auto;
  min-width: 150px;
}

/* ---------- Metrics & cards ---------- */

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.metric {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px var(--space-5);
  box-shadow: var(--shadow-xs);
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.metric strong {
  display: block;
  margin-top: 6px;
  font-size: 28px;
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-xs);
}

.card-grid .card {
  margin-bottom: 0;
}

.container > :last-child {
  margin-bottom: 0;
}

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

.card-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.card-head h2 {
  margin: 0;
}

.card-head p {
  margin: var(--space-1) 0 0;
}

.metric-row {
  display: flex;
  gap: var(--space-8);
  margin: var(--space-4) 0 var(--space-2);
}

.metric-row span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.metric-row strong {
  display: block;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
  white-space: nowrap;
}

.badge.ok {
  color: var(--success);
  background: var(--success-soft);
}

.badge.warn {
  color: var(--warning);
  background: var(--warning-soft);
}

details {
  margin-top: var(--space-3);
}

summary {
  cursor: pointer;
  color: var(--text-soft);
  font-weight: 600;
  font-size: 14px;
  padding: 6px 0;
  transition: color 140ms ease;
}

summary:hover {
  color: var(--brand);
}

summary::marker {
  color: var(--muted);
}

/* ---------- Tables ---------- */

.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table th,
.table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

.table th {
  color: var(--muted);
  font-weight: 600;
  background: var(--surface-muted);
  white-space: nowrap;
}

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

.table tbody tr:hover td {
  background: #fafbfc;
}

.table.compact th,
.table.compact td {
  padding: 8px 12px;
}

.table td input,
.table td select {
  min-width: 90px;
  height: 38px;
  min-height: 38px;
  padding: 6px 10px;
}

.report-table th,
.report-table td {
  text-align: center;
}

.report-table th:first-child,
.report-table td:first-child {
  text-align: left;
}

.report-table td input {
  width: 100%;
  min-width: 84px;
  height: 48px;
  min-height: 48px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 18px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.report-table tfoot th {
  background: var(--surface-muted);
  border-top: 1px solid var(--line);
  border-bottom: 0;
  color: var(--text);
  font-size: 17px;
  font-variant-numeric: tabular-nums;
}

.group-name {
  font-weight: 500;
  min-width: 130px;
}

.report-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
  font-size: 14px;
}

.sticky-actions {
  position: sticky;
  bottom: 0;
  display: flex;
  justify-content: flex-end;
  margin: var(--space-5) calc(var(--space-6) * -1) calc(var(--space-6) * -1);
  padding: var(--space-4) var(--space-6) calc(var(--space-4) + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--control-h);
  padding: 0 var(--space-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease, box-shadow 140ms ease;
}

.btn:hover {
  background: var(--surface-muted);
  border-color: var(--line-strong);
  text-decoration: none;
}

.btn.primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #ffffff;
  box-shadow: 0 1px 2px rgba(15, 118, 110, 0.2);
}

.btn.primary:hover {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
}

.btn.large {
  min-height: var(--control-h-lg);
  padding: 0 28px;
  border-radius: var(--radius-md);
  font-size: 16px;
}

.btn.small {
  min-height: var(--control-h-sm);
  padding: 0 var(--space-3);
  border-radius: 9px;
  font-size: 13px;
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

/* ---------- Forms ---------- */

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-5);
  align-items: end;
}

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

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
}

.checkbox-field {
  border: 0;
  padding: 0;
  margin: 0;
}

.checkbox-field legend {
  padding: 0;
  margin-bottom: var(--space-2);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
}

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

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 400;
  cursor: pointer;
  transition: border-color 140ms ease, background-color 140ms ease;
}

.checkbox:hover {
  border-color: var(--line-strong);
}

.checkbox:has(input:checked) {
  border-color: var(--brand);
  background: var(--brand-soft);
  color: var(--brand-dark);
}

.checkbox input {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  min-height: 0;
  margin: 2px 0 0;
  padding: 0;
  accent-color: var(--brand);
}

.compact-form {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--line);
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

input,
select {
  width: 100%;
  height: var(--control-h);
  min-height: var(--control-h);
  padding: 8px var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background-color: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 16px;
  line-height: 1.4;
  transition: border-color 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}

select {
  -webkit-appearance: none;
  appearance: none;
  padding-right: 38px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7683' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
}

input[type="number"] {
  font-variant-numeric: tabular-nums;
}

input:hover,
select:hover {
  border-color: var(--line-strong);
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-ring);
}

input:disabled,
select:disabled {
  background-color: var(--surface-muted);
  color: var(--muted);
  cursor: not-allowed;
  opacity: 1;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

input::placeholder {
  color: #9aa4b1;
}

/* ---------- Tabs ---------- */

.tabs {
  display: flex;
  gap: var(--space-1);
  flex-wrap: wrap;
  width: fit-content;
  max-width: 100%;
  margin-bottom: var(--space-6);
  padding: var(--space-1);
  background: var(--surface-muted);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.tabs a {
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  transition: color 140ms ease, background-color 140ms ease, box-shadow 140ms ease;
}

.tabs a:hover {
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
}

.tabs a.active {
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* ---------- Login ---------- */

.login-shell {
  min-height: calc(100vh - 62px);
  display: grid;
  place-items: center;
  margin: calc(var(--space-6) * -1) 0 -64px;
  padding: 40px 0;
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: var(--space-8);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: 28px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--brand);
  color: #ffffff;
  font-weight: 700;
  font-size: 20px;
}

.login-brand h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.login-brand p {
  margin: 2px 0 0;
  font-size: 13px;
}

.stack {
  display: grid;
  gap: 18px;
}

.password-field {
  position: relative;
  display: block;
}

.password-field input {
  padding-right: 46px;
}

/* 隐藏 Edge/IE 自带的密码显示/清除按钮，避免与自定义按钮出现两个眼睛 */
.password-field input::-ms-reveal,
.password-field input::-ms-clear {
  display: none;
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 140ms ease, background-color 140ms ease;
}

.password-toggle:hover {
  background: var(--surface-muted);
  color: var(--text);
}

.password-toggle svg {
  width: 18px;
  height: 18px;
}

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

.password-toggle[aria-pressed="true"] .icon-eye {
  display: none;
}

.password-toggle[aria-pressed="true"] .icon-eye-off {
  display: block;
}

.login-help {
  margin: var(--space-5) 0 0;
  text-align: center;
}

/* ---------- Empty & error ---------- */

.empty {
  margin: var(--space-3) 0 0;
  color: var(--muted);
  font-size: 14px;
}

.empty-card {
  text-align: center;
  color: var(--muted);
}

.error-card {
  max-width: 560px;
  margin: 48px auto;
  text-align: center;
}

.error-card h1 {
  margin-top: 0;
  font-size: 24px;
}

/* ---------- Admin user cards ---------- */

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

.user-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px;
  background: var(--surface-muted);
}

.user-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.user-card-head strong {
  font-size: 16px;
  margin-right: var(--space-2);
}

.user-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.reset-form {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
}

.reset-form input {
  max-width: 260px;
}

/* ---------- Misc ---------- */

.audit-table {
  min-width: 760px;
}

.audit-table .detail {
  max-width: 360px;
  word-break: break-word;
}

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  background: var(--surface-muted);
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  padding: 2px 6px;
}

/* ---------- Responsive ---------- */

@media (max-width: 760px) {
  .topbar-inner {
    padding: 10px var(--space-4);
    gap: var(--space-3);
  }

  .menu-toggle {
    display: flex;
    margin-left: auto;
  }

  .nav-panel {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 20;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-4) var(--space-4);
    background: var(--surface);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: var(--shadow-md);
  }

  .nav-panel.open {
    display: flex;
  }

  .main-nav {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 2px;
    padding: 0;
    overflow: visible;
  }

  .main-nav a {
    display: flex;
    align-items: center;
    min-height: 46px;
    padding: 10px var(--space-3);
    font-size: 15px;
    white-space: normal;
  }

  .user-area {
    margin-left: 0;
    justify-content: space-between;
    gap: var(--space-2);
    padding-top: var(--space-3);
    margin-top: var(--space-2);
    border-top: 1px solid var(--line);
  }

  .link-button {
    min-height: 44px;
    padding: 8px 10px;
  }

  .container {
    padding: var(--space-5) var(--space-4) 56px;
  }

  .btn {
    min-height: 44px;
  }

  .btn.small {
    min-height: 38px;
  }

  .filters input,
  .filters select {
    min-height: 44px;
  }

  .tabs {
    width: 100%;
  }

  .tabs a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 1 0 auto;
    min-height: 42px;
    padding: 8px 12px;
  }

  .page-head {
    align-items: stretch;
    margin-bottom: var(--space-5);
  }

  .page-head h1 {
    font-size: 22px;
  }

  .filters {
    width: 100%;
  }

  .filters input,
  .filters select {
    flex: 1;
    min-width: 0;
  }

  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .metric {
    padding: var(--space-4);
  }

  .metric strong {
    font-size: 24px;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .form-grid .wide {
    grid-column: auto;
  }

  .checkbox-grid {
    grid-template-columns: 1fr;
  }

  .card {
    padding: var(--space-4);
    border-radius: var(--radius-md);
  }

  .sticky-actions {
    margin: 18px calc(var(--space-4) * -1) calc(var(--space-4) * -1);
    padding: 14px var(--space-4) calc(14px + env(safe-area-inset-bottom));
    border-radius: 0 0 var(--radius-md) var(--radius-md);
  }

  .report-table td input {
    min-width: 72px;
    height: 50px;
    min-height: 50px;
    padding: 6px;
  }

  .report-table th,
  .report-table td {
    padding: 8px 6px;
  }

  .group-name {
    min-width: 100px;
  }

  .login-shell {
    min-height: calc(100vh - 63px);
    margin: calc(var(--space-5) * -1) 0 -56px;
    padding: var(--space-6) 0;
  }

  .login-card {
    padding: var(--space-6);
    border-radius: var(--radius-lg);
  }
}

@media (max-width: 420px) {
  .metric-row {
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}