/* ChangeScout design system: calm, neutral B2B dashboard styles. */

:root {
  --canvas: #f7f8fa;
  --surface: #ffffff;
  --surface-subtle: #f9fafb;
  --border: #e4e7ec;
  --border-strong: #d0d5dd;
  /* Form control outlines: at least 3:1 against white and the canvas. */
  --border-control: #868fa0;
  --text: #101828;
  --text-secondary: #475467;
  --text-muted: #667085;
  --primary: #175cd3;
  --primary-hover: #1849a9;
  --primary-subtle: #eff8ff;
  --success: #067647;
  --success-bg: #ecfdf3;
  --success-border: #abefc6;
  --warning: #b54708;
  --warning-bg: #fffaeb;
  --warning-border: #fedf89;
  --error: #b42318;
  --error-bg: #fef3f2;
  --error-border: #fecdca;
  --info: #175cd3;
  --info-bg: #eff8ff;
  --info-border: #b2ddff;
  --neutral: #344054;
  --neutral-bg: #f2f4f7;
  --radius: 12px;
  --radius-sm: 8px;
  --gutter: 32px;
  --card-padding: 24px;
  --section-gap: 48px;
  --focus-ring: 0 0 0 3px #ffffff, 0 0 0 5px #175cd3;
  --font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Base ---------- */

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

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--canvas);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 24px;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
dd,
figure {
  margin: 0;
}

h1 {
  font-size: 32px;
  line-height: 40px;
  font-weight: 700;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}

h2 {
  font-size: 20px;
  line-height: 28px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 16px;
  line-height: 24px;
  font-weight: 600;
}

a {
  color: var(--primary);
  text-decoration: none;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

img,
svg {
  max-width: 100%;
}

time,
.num {
  font-variant-numeric: tabular-nums;
}

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

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 10;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--primary);
  font-weight: 600;
  box-shadow: var(--focus-ring);
}

.skip-link:focus {
  top: 12px;
}

.icon {
  width: 16px;
  height: 16px;
  flex: none;
  vertical-align: -3px;
}

.container {
  width: min(1200px, 100% - 2 * var(--gutter));
  margin-inline: auto;
}

/* ---------- App header ---------- */

.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.app-header__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
}

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

.brand__mark {
  width: 28px;
  height: 28px;
  flex: none;
}

.app-nav__list {
  display: flex;
  gap: 4px;
  padding: 0;
  list-style: none;
}

.app-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 600;
}

.app-nav__link:hover {
  background: var(--surface-subtle);
  color: var(--text);
  text-decoration: none;
}

.app-nav__link[aria-current] {
  background: var(--primary-subtle);
  color: var(--primary-hover);
}

/* ---------- Page scaffolding ---------- */

.page {
  flex: 1 0 auto;
  padding-block: 32px 64px;
}

.page:focus {
  outline: none;
}

.app-footer {
  border-top: 1px solid var(--border);
  padding-block: 20px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 20px;
}

.breadcrumbs {
  margin-bottom: 16px;
  font-size: 13px;
  line-height: 20px;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 0;
  list-style: none;
  color: var(--text-muted);
}

.breadcrumbs li {
  display: inline-flex;
  min-width: 0;
  max-width: 100%;
}

.breadcrumbs a,
.breadcrumbs [aria-current] {
  display: inline-block;
  min-width: 0;
  max-width: 40ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: bottom;
}

.breadcrumbs li + li::before {
  content: "/";
  margin-right: 4px;
  color: var(--border-strong);
}

.breadcrumbs a {
  color: var(--text-secondary);
}

.breadcrumbs [aria-current] {
  color: var(--text);
  font-weight: 600;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.page-header__main {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.page-header__title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  min-width: 0;
}

.page-header__title-row h1 {
  min-width: 0;
}

.page-header__description {
  color: var(--text-secondary);
  max-width: 72ch;
  overflow-wrap: anywhere;
}

.page-header__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  flex: none;
}

/* Separators sit in the gap before each item; the wrapper clips the ones that
   would otherwise dangle at the start of a wrapped line. */
.facts-wrap {
  overflow: hidden;
  margin: -4px;
  padding: 4px;
}

.facts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 0;
  margin: 0 0 0 -21px;
  padding: 0;
  list-style: none;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 20px;
}

.facts li {
  position: relative;
  margin-left: 21px;
  min-width: 0;
  overflow-wrap: anywhere;
}

.facts li::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 8px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--border-strong);
}

.facts--lead {
  font-size: 15px;
  line-height: 24px;
}

.facts--lead li::before {
  top: 10px;
}

/* ---------- Sections and cards ---------- */

.section {
  margin-top: var(--section-gap);
}

.page-header + .section,
.snapshot + .section,
.section--tight {
  margin-top: 32px;
}

.page-header + .banner {
  margin-top: -8px;
}

.section--tight + .section {
  margin-top: 40px;
}

.section__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px 24px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.section__heading {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.section__description,
.section__note,
.section__footer {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 20px;
}

.section__note {
  margin: 12px 0 16px;
}

.facts-wrap + .change-grid {
  margin-top: 16px;
}

.section__footer {
  margin-top: 12px;
}

.section:target .card,
.section:target .cta-panel {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-subtle);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--card-padding);
  min-width: 0;
}

.card--flush {
  position: relative;
  padding: 0;
  overflow-x: auto;
}

.form-layout {
  max-width: 640px;
}

/* ---------- Snapshot stats ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat {
  padding: 16px 24px;
  min-width: 0;
}

.stat + .stat {
  border-left: 1px solid var(--border);
}

.stat dt {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 20px;
  font-weight: 600;
}

.stat dd {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 8px;
  margin-top: 4px;
}

.stat__value {
  font-size: 24px;
  line-height: 32px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.stat__note {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 20px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font: inherit;
  font-weight: 600;
  line-height: 22px;
  text-align: center;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn:hover {
  text-decoration: none;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn:disabled {
  cursor: progress;
  opacity: 0.7;
}

.btn--primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.btn--primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #ffffff;
}

.btn--secondary {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--neutral);
}

.btn--secondary:hover {
  background: var(--surface-subtle);
  color: var(--text);
}

.btn--tertiary {
  background: transparent;
  color: var(--primary);
  padding-inline: 8px;
}

.btn--tertiary:hover {
  background: var(--primary-subtle);
  color: var(--primary-hover);
}

.btn--danger {
  background: var(--surface);
  border-color: var(--error-border);
  color: var(--error);
}

.btn--danger:hover {
  background: var(--error-bg);
  color: #912018;
}

.btn--sm {
  min-height: 36px;
  padding: 6px 12px;
  font-size: 14px;
  line-height: 20px;
}

.btn--tertiary.btn--sm {
  padding-inline: 8px;
}

.inline-form {
  display: inline-flex;
  margin: 0;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Badges and categories ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 1px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--neutral-bg);
  color: var(--neutral);
  font-size: 12px;
  line-height: 18px;
  font-weight: 600;
  white-space: nowrap;
  vertical-align: middle;
}

.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex: none;
}

.badge--success {
  background: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success);
}

.badge--warning {
  background: var(--warning-bg);
  border-color: var(--warning-border);
  color: var(--warning);
}

.badge--error {
  background: var(--error-bg);
  border-color: var(--error-border);
  color: var(--error);
}

.badge--info {
  background: var(--info-bg);
  border-color: var(--info-border);
  color: var(--info);
}

.badge--neutral {
  color: var(--neutral);
}

.badge--neutral::before {
  background: #98a2b3;
}

.category-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0;
  list-style: none;
}

.category {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--neutral-bg);
  color: var(--neutral);
  font-size: 12px;
  line-height: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ---------- Banners and callouts ---------- */

.banner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  padding: 14px 16px;
  border: 1px solid var(--info-border);
  border-left-width: 4px;
  border-radius: var(--radius-sm);
  background: var(--info-bg);
  color: var(--text);
}

.banner + .banner {
  margin-top: -12px;
}

.banner__content {
  min-width: 0;
  overflow-wrap: anywhere;
}

.banner__title {
  font-weight: 600;
}

.banner__body {
  color: var(--text-secondary);
}

.banner__actions {
  flex: none;
}

.banner--success {
  border-color: var(--success-border);
  border-left-color: var(--success);
  background: var(--success-bg);
}

.banner--warning {
  border-color: var(--warning-border);
  border-left-color: var(--warning);
  background: var(--warning-bg);
}

.banner--error {
  border-color: var(--error-border);
  border-left-color: var(--error);
  background: var(--error-bg);
}

.banner--success .banner__body,
.banner--success .banner__title {
  color: #054f31;
}

.error-list {
  margin-top: 4px;
  padding-left: 20px;
}

.error-list a {
  color: var(--error);
  text-decoration: underline;
}

.callout {
  padding: 20px 24px;
  border: 1px solid var(--border);
  border-left: 4px solid #98a2b3;
  border-radius: var(--radius);
  background: var(--surface);
}

.callout--info {
  border-left-color: var(--primary);
}

.callout--error {
  border-color: var(--error-border);
  border-left-color: var(--error);
  background: var(--error-bg);
}

.callout__eyebrow {
  margin-bottom: 4px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 18px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.callout__title {
  font-size: 18px;
  line-height: 28px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.callout__body {
  margin-top: 4px;
  color: var(--text-secondary);
  overflow-wrap: anywhere;
}

.callout__note {
  margin-top: 8px;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 20px;
}

.callout .disclosure {
  margin-top: 4px;
}

/* A failed newest scan shown below retained business changes. */
.callout.callout--compact {
  padding: 14px 20px;
}

.callout--compact .callout__title {
  font-size: 16px;
  line-height: 24px;
}

/* ---------- Empty states ---------- */

.empty-state {
  padding: 32px 24px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  text-align: center;
}

.empty-state__title {
  font-weight: 600;
  font-size: 16px;
}

.empty-state__body {
  max-width: 56ch;
  margin: 4px auto 0;
  color: var(--text-secondary);
}

.empty-state__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
}

.empty-state--hero {
  padding: 64px 24px;
  border-style: solid;
}

.empty-state--hero .empty-state__title {
  font-size: 20px;
  line-height: 28px;
  font-weight: 700;
}

/* ---------- Attention list ---------- */

.attention-list {
  display: grid;
  padding: 0;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.attention-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
  padding: 16px 20px 16px 24px;
  position: relative;
}

.attention-item + .attention-item {
  border-top: 1px solid var(--border);
}

.attention-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--error);
}

.attention-item--warning::before {
  background: #f79009;
}

.attention-item--info::before {
  background: var(--primary);
}

.attention-item__content {
  min-width: 0;
  overflow-wrap: anywhere;
}

.attention-item__title {
  font-weight: 600;
}

.attention-item__body {
  color: var(--text-secondary);
}

.attention-item__reason {
  color: var(--text);
}

.attention-item__meta {
  display: block;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 20px;
}

.attention-item__action {
  flex: none;
}

/* ---------- Change feed ---------- */

.feed {
  display: grid;
  padding: 0;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.feed-item {
  display: grid;
  grid-template-columns: minmax(0, 15rem) minmax(0, 1fr) auto;
  grid-template-areas:
    "who what meta"
    "tech tech tech";
  gap: 4px 32px;
  padding: 20px 24px;
  min-width: 0;
}

.feed-item + .feed-item {
  border-top: 1px solid var(--border);
}

.feed-item__who {
  grid-area: who;
  min-width: 0;
  overflow-wrap: anywhere;
}

.feed-item__title a {
  color: var(--text);
}

.feed-item__title a:hover {
  color: var(--primary-hover);
}

.feed-item__context,
.feed-item__time,
.feed-item__more {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 20px;
}

.feed-item__time {
  margin-top: 2px;
}

.feed-item__what {
  grid-area: what;
  display: grid;
  gap: 6px;
  align-content: start;
  justify-items: start;
  min-width: 0;
}

.feed-item__values {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px 8px;
  max-width: 100%;
  font-size: 16px;
  line-height: 24px;
}

.value-old {
  color: var(--text-secondary);
  overflow-wrap: anywhere;
  min-width: 0;
}

.value-new {
  color: var(--text);
  font-weight: 600;
  overflow-wrap: anywhere;
  min-width: 0;
}

.value-arrow {
  color: var(--text-muted);
}

.feed-item__detail {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 20px;
  overflow-wrap: anywhere;
}

.feed-item__meta {
  grid-area: meta;
  display: grid;
  gap: 10px;
  align-content: start;
  justify-items: end;
}

.feed-item__alert {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  line-height: 20px;
  white-space: nowrap;
}

.feed-item__technical {
  grid-area: tech;
  padding-top: 4px;
}

.meta-label {
  color: var(--text-muted);
}

/* ---------- Change cards (report) ---------- */

.change-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 16px;
}

.change-card {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.change-values {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: stretch;
  gap: 10px;
}

.change-value {
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-subtle);
}

.change-value--new {
  background: var(--surface);
  border-color: var(--border-strong);
}

.change-label {
  color: var(--text-muted);
  font-size: 12px;
  line-height: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.change-value__text {
  margin-top: 2px;
  font-size: 16px;
  line-height: 24px;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.change-value:not(.change-value--new) .change-value__text {
  color: var(--text-secondary);
}

.change-arrow {
  align-self: center;
  color: var(--text-muted);
  font-size: 18px;
}

.change-card__category {
  font-size: inherit;
  line-height: inherit;
}

.change-card__detail p:last-child {
  color: var(--text-secondary);
  overflow-wrap: anywhere;
}

.change-lines {
  display: grid;
  gap: 12px;
  margin-top: 8px;
  padding: 0;
  list-style: none;
}

.change-line {
  display: grid;
  gap: 4px;
  justify-items: start;
  min-width: 0;
}

.change-line__values {
  font-weight: 600;
  overflow-wrap: anywhere;
}

.change-line__old {
  color: var(--text-muted);
}

.change-line__arrow {
  color: var(--text-muted);
  margin-inline: 4px;
}

.change-line__detail {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 20px;
  overflow-wrap: anywhere;
}

.alert-summary .badge {
  margin-inline: 2px;
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 20px;
}

.data-table th {
  padding: 12px 16px;
  background: var(--surface-subtle);
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12px;
  line-height: 18px;
  font-weight: 600;
  text-align: left;
  white-space: nowrap;
}

/* Cells wrap at word boundaries; only long tokens (titles, URLs, emails) may
   break anywhere, so ordinary words never split mid-word to squeeze a column. */
.data-table td {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  min-width: 0;
  overflow-wrap: break-word;
}

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

.data-table tbody tr:hover td {
  background: #fcfcfd;
}

.data-table th.num {
  white-space: nowrap;
}

.customers-table td:nth-child(3),
.customers-table th:nth-child(3) {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.cell-title {
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
  line-height: 22px;
  overflow-wrap: anywhere;
}

a.cell-title:hover {
  color: var(--primary-hover);
}

.cell-sub {
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 20px;
}

.cell-email {
  overflow-wrap: anywhere;
}

.cell-customer {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  overflow: hidden;
}

.cell-action {
  text-align: right;
  white-space: nowrap;
  width: 1%;
}

.monitor-table thead th:first-child {
  width: 34%;
}

.monitor-table--with-customer thead th:first-child {
  width: 26%;
}

.monitor-table--with-customer thead th:nth-child(2) {
  width: 17%;
}

.data-table td.cell-action {
  padding-block: 10px;
}

.result {
  font-weight: 600;
}

.result--error {
  color: var(--error);
}

.table-scroll {
  position: relative;
  max-width: 100%;
  overflow-x: auto;
}

.tech-table td {
  font-size: 13px;
}

/* ---------- Page links ---------- */

.page-link {
  display: inline;
  color: var(--text-secondary);
  overflow-wrap: anywhere;
  min-width: 0;
}

.page-link:hover {
  color: var(--primary-hover);
}

.page-link__host {
  color: var(--text-secondary);
  font-weight: 500;
}

.page-link__path {
  color: var(--text-muted);
}

.page-link .icon--external {
  width: 14px;
  height: 14px;
  margin-left: 4px;
  vertical-align: -2px;
  color: var(--text-muted);
}

.page-link:hover .page-link__host,
.page-link:hover .page-link__path,
.page-link:hover .icon--external {
  color: var(--primary-hover);
}

/* ---------- Disclosures ---------- */

.disclosure__summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  list-style: none;
  border-radius: 6px;
}

.disclosure__summary::-webkit-details-marker {
  display: none;
}

.disclosure__summary::before {
  content: "";
  width: 7px;
  height: 7px;
  margin: 0 3px 0 2px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(-45deg);
  transition: transform 0.15s ease;
}

.disclosure[open] > .disclosure__summary::before {
  transform: rotate(45deg);
}

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

.disclosure__body {
  padding-top: 8px;
  min-width: 0;
}

.disclosure--inline .disclosure__summary {
  min-height: 28px;
  font-size: 13px;
}

.disclosure--quiet .disclosure__summary {
  color: var(--text-muted);
  font-size: 13px;
}

.disclosure--quiet .disclosure__summary:hover {
  color: var(--text-secondary);
}

.disclosure--technical {
  margin-top: 16px;
}

.disclosure--technical > .disclosure__body {
  display: grid;
  gap: 12px;
}

.disclosure--technical .table-scroll {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.disclosure--card {
  padding: 16px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.disclosure--card > .disclosure__body {
  display: grid;
  gap: 16px;
  padding-top: 12px;
  max-width: 640px;
}

.tech-list {
  display: grid;
  gap: 6px;
  font-size: 13px;
  line-height: 20px;
}

.tech-list div {
  display: grid;
  grid-template-columns: minmax(0, 10rem) minmax(0, 1fr);
  gap: 12px;
}

.tech-list dt {
  color: var(--text-muted);
}

.tech-list dd {
  color: var(--text-secondary);
  overflow-wrap: anywhere;
}

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

.form {
  display: grid;
  gap: 20px;
  min-width: 0;
}

.field {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.field__label,
.fieldset__legend,
.email-status__label {
  font-weight: 600;
  font-size: 14px;
  line-height: 20px;
  color: var(--neutral);
}

.field__optional {
  color: var(--text-muted);
  font-weight: 400;
}

.field__hint,
.field-note {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 20px;
  overflow-wrap: anywhere;
}

.field__error {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  color: var(--error);
  font-size: 13px;
  line-height: 20px;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.field__error .icon {
  margin-top: 2px;
  vertical-align: 0;
}

.input,
.select {
  width: 100%;
  min-height: 42px;
  padding: 9px 12px;
  border: 1px solid var(--border-control);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  line-height: 22px;
}

.select {
  appearance: none;
  padding-right: 36px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4 6 4 4 4-4' fill='none' stroke='%23667085' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
}

.input::placeholder {
  color: var(--text-muted);
  opacity: 1;
}

.input:hover,
.select:hover {
  border-color: var(--text-muted);
}

.input:focus,
.select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(23, 92, 211, 0.16);
}

.field--invalid .input,
.field--invalid .select {
  border-color: #f04438;
}

.field--invalid .input:focus,
.field--invalid .select:focus {
  box-shadow: 0 0 0 4px rgba(240, 68, 56, 0.16);
}

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.checkbox input {
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  flex: none;
  accent-color: var(--primary);
}

.checkbox label {
  font-weight: 600;
  font-size: 14px;
  color: var(--neutral);
  cursor: pointer;
}

.form-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: end;
  gap: 20px;
}

.form-row .checkbox {
  min-height: 42px;
  align-items: center;
}

.form-row .checkbox:has(.field__hint) {
  align-items: flex-start;
}

.form-note {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 20px;
}

.form-note__title {
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
  overflow-wrap: anywhere;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 4px;
}

.fieldset {
  display: grid;
  gap: 16px;
  align-content: start;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.fieldset__legend {
  margin-bottom: 4px;
  padding: 0;
  font-size: 16px;
  line-height: 24px;
  color: var(--text);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px 48px;
}

.detail-list {
  display: grid;
  gap: 8px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  font-size: 14px;
  line-height: 20px;
}

.detail-list div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 16px;
}

.detail-list dt {
  color: var(--text-muted);
}

.detail-list dd {
  font-weight: 600;
  text-align: right;
}

.email-status {
  display: grid;
  gap: 6px;
}

.email-status__value {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 22px;
  overflow-wrap: anywhere;
}

.email-status__value .badge {
  margin-right: 4px;
}

/* ---------- Customer page panels ---------- */

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
  padding: 20px 24px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
}

.cta-panel__text {
  min-width: 0;
}

.cta-panel h2 {
  font-size: 16px;
  line-height: 24px;
}

.cta-panel p {
  color: var(--text-secondary);
  overflow-wrap: anywhere;
}

.control-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
}

.control-row__text {
  min-width: 0;
  max-width: 72ch;
}

.control-row__title {
  font-weight: 600;
}

.control-row__text p + p {
  color: var(--text-secondary);
}

/* ---------- Responsive: tablet ---------- */

@media (min-width: 1200px) {
  .data-table td.num {
    white-space: nowrap;
  }
}

@media (max-width: 1199.98px) {
  :root {
    --gutter: 24px;
  }

  .data-table th,
  .data-table td {
    padding-inline: 12px;
  }
}

@media (max-width: 1023.98px) {
  .feed-item {
    grid-template-columns: minmax(0, 12rem) minmax(0, 1fr);
    grid-template-areas:
      "who what"
      "who meta"
      "tech tech";
    gap: 12px 24px;
  }

  .feed-item__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px 16px;
  }

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

  .stat:nth-child(3) {
    border-left: 0;
  }

  .stat:nth-child(n + 3) {
    border-top: 1px solid var(--border);
  }

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

/* Monitor tables have the most columns, so they become cards earlier. */
@media (max-width: 959.98px) {
  .data-table--stack-md thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .data-table--stack-md,
  .data-table--stack-md tbody,
  .data-table--stack-md tr,
  .data-table--stack-md td {
    display: block;
    width: 100%;
  }

  .data-table--stack-md tr {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
  }

  .data-table--stack-md tbody tr:last-child {
    border-bottom: 0;
  }

  .data-table--stack-md td {
    display: grid;
    grid-template-columns: minmax(0, 8rem) minmax(0, 1fr);
    justify-items: start;
    gap: 12px;
    padding: 4px 0;
    border: 0;
    overflow-wrap: anywhere;
  }

  .data-table--stack-md td::before {
    content: attr(data-label);
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
  }

  .data-table--stack-md td.cell-primary,
  .data-table--stack-md td.cell-action {
    display: block;
  }

  .data-table--stack-md td.cell-primary {
    padding-bottom: 8px;
  }

  .data-table--stack-md td.cell-primary::before,
  .data-table--stack-md td.cell-action::before {
    content: none;
  }

  .data-table--stack-md td.cell-action {
    width: 100%;
    padding-top: 8px;
    text-align: left;
  }

  .data-table--stack-md tbody tr:hover td {
    background: transparent;
  }

}

/* ---------- Responsive: mobile ---------- */

@media (max-width: 767.98px) {
  :root {
    --gutter: 16px;
    --card-padding: 20px;
    --section-gap: 40px;
  }

  body {
    font-size: 16px;
  }

  h1 {
    font-size: 28px;
    line-height: 36px;
  }

  .app-header__inner {
    flex-wrap: wrap;
    gap: 0;
    min-height: 0;
    padding-top: 12px;
  }

  .app-nav {
    width: 100%;
  }

  .app-nav__list {
    margin-top: 8px;
    gap: 0;
  }

  .breadcrumbs a,
  .breadcrumbs [aria-current] {
    max-width: 22ch;
  }

  .app-nav__list li {
    flex: 1 1 0;
    min-width: 0;
  }

  .app-nav__link {
    justify-content: center;
    width: 100%;
    min-height: 44px;
    padding: 0 4px;
    border-radius: 0;
    border-bottom: 2px solid transparent;
  }

  .app-nav__link[aria-current] {
    background: transparent;
    border-bottom-color: var(--primary);
  }

  .page {
    padding-block: 20px 48px;
  }

  .page-header {
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
  }

  .page-header__actions {
    width: 100%;
  }

  .page-header__actions > .btn,
  .page-header__actions > .inline-form {
    flex: 1 1 auto;
  }

  .page-header__actions .inline-form .btn {
    width: 100%;
  }

  .btn {
    min-height: 44px;
    white-space: normal;
  }

  .btn--sm {
    min-height: 44px;
  }

  .input,
  .select {
    min-height: 44px;
    font-size: 16px;
  }

  .stat {
    padding: 14px 16px;
  }

  .banner,
  .attention-item,
  .cta-panel,
  .control-row {
    flex-direction: column;
    align-items: stretch;
  }

  .banner__actions .btn,
  .banner__actions .inline-form,
  .attention-item__action .btn,
  .attention-item__action .inline-form,
  .cta-panel > .btn,
  .control-row .inline-form,
  .control-row .btn {
    width: 100%;
  }

  .attention-item {
    padding: 16px 16px 16px 20px;
  }

  .callout {
    padding: 16px 20px;
  }

  .feed-item {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "who"
      "what"
      "meta"
      "tech";
    gap: 12px;
    padding: 16px;
  }

  .feed-item__meta .btn {
    flex: 1 1 auto;
  }

  .change-values {
    grid-template-columns: minmax(0, 1fr);
  }

  .change-arrow {
    justify-self: center;
    transform: rotate(90deg);
    line-height: 1;
  }

  .change-card {
    padding: 16px;
  }

  .form-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .form-row .checkbox {
    min-height: 0;
  }

  .form-actions .btn {
    flex: 1 1 auto;
  }

  .empty-state {
    padding: 24px 16px;
  }

  .empty-state--hero {
    padding: 40px 20px;
  }

  .empty-state__actions .btn {
    width: 100%;
  }

  .disclosure__summary {
    min-height: 44px;
  }

  .disclosure--card {
    padding: 12px 16px;
  }

  .tech-list div {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  /* Operational tables become stacked record cards. */
  .data-table--stack thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .data-table--stack,
  .data-table--stack tbody,
  .data-table--stack tr,
  .data-table--stack td {
    display: block;
    width: 100%;
  }

  .data-table--stack tr {
    padding: 16px;
    border-bottom: 1px solid var(--border);
  }

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

  .data-table--stack td {
    display: grid;
    grid-template-columns: minmax(0, 7.5rem) minmax(0, 1fr);
    justify-items: start;
    gap: 12px;
    padding: 4px 0;
    border: 0;
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .data-table--stack td::before {
    content: attr(data-label);
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
  }

  .data-table--stack td.cell-primary,
  .data-table--stack td.cell-action,
  .history-table td:first-child {
    display: block;
  }

  .data-table--stack td.cell-primary::before,
  .data-table--stack td.cell-action::before,
  .history-table td:first-child::before {
    content: none;
  }

  .data-table--stack td.cell-primary,
  .history-table td:first-child {
    padding-bottom: 8px;
  }

  .history-table td:first-child {
    font-weight: 600;
  }

  .data-table--stack td.cell-action {
    width: 100%;
    padding-top: 8px;
    text-align: left;
  }

  .data-table--stack td.cell-action .btn {
    width: 100%;
  }

  .data-table--stack tbody tr:hover td {
    background: transparent;
  }

  /* The monitor count cell is a bare <td>; label it here. */
  .customers-table td:nth-child(3) {
    text-align: left;
  }

  .customers-table td:nth-child(3)::before {
    content: "Monitors";
  }

  .table-scroll {
    overflow-x: visible;
  }
}

@media (max-width: 479.98px) {
  :root {
    --card-padding: 16px;
  }

  .brand__name {
    font-size: 16px;
  }

  .app-nav__link {
    font-size: 14px;
  }

  .data-table--stack td,
  .data-table--stack-md td {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .data-table--stack td::before,
  .data-table--stack-md td::before {
    font-size: 12px;
    line-height: 18px;
  }

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

  .stat__value {
    font-size: 20px;
    line-height: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
  }
}