:root {
  --kti-carbon: #1b1f24;
  --kti-graphite: #262d34;
  --kti-slate: #4b545d;
  --kti-mist: #e7ecf0;
  --kti-paper: #f8fafb;
  --kti-white: #ffffff;
  --kti-trust-blue: #2d6b88;
  --kti-fabric-cyan: #74b7c6;
  --kti-standard-gold: #b48a3c;
  --kti-research-green: #657d6b;
  --kti-copper: #a66a3f;
  --kti-red: #9b4e4a;
  --kti-rule: #d9dee3;
  --page-width: 1180px;
  --reader-width: 820px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--kti-paper);
  color: var(--kti-carbon);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

body {
  margin: 0;
}

a {
  color: var(--kti-trust-blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

button,
input,
select,
textarea {
  appearance: none;
  -webkit-appearance: none;
  border-radius: 0;
  font: inherit;
}

.site-header {
  align-items: center;
  background: rgba(248, 250, 251, 0.98);
  border-bottom: 1px solid var(--kti-rule);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  min-height: 88px;
  padding: 18px clamp(18px, 4vw, 56px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand img {
  display: block;
  max-width: min(350px, 58vw);
}

.main-nav,
.desk-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  justify-content: flex-end;
}

.main-nav a,
.desk-actions a,
.secondary-button {
  color: var(--kti-slate);
  text-decoration: none;
}

.main-nav a:hover,
.desk-actions a:hover,
.secondary-button:hover {
  color: var(--kti-carbon);
}

main {
  min-height: 65vh;
}

.blank-draft {
  min-height: 54vh;
}

.page-head,
.document-detail,
.desk-shell {
  margin: 0 auto;
  max-width: var(--page-width);
  padding: clamp(42px, 7vw, 82px) clamp(20px, 4vw, 48px);
}

.page-head {
  border-bottom: 1px solid var(--kti-rule);
}

.page-head.compact {
  padding-bottom: 34px;
}

.page-head h1,
.document-header h1,
.desk-shell h1 {
  font-size: clamp(2rem, 5vw, 4.2rem);
  letter-spacing: 0;
  line-height: 1.02;
  margin: 12px 0 18px;
  max-width: 980px;
}

.page-head p,
.record-card p,
.prose,
.empty-state {
  color: var(--kti-slate);
}

.eyebrow,
.meta-line {
  color: var(--kti-slate);
  font-size: 0.78rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

.filter-band {
  background: var(--kti-white);
  border-bottom: 1px solid var(--kti-rule);
}

.registry-head {
  align-items: end;
  border-bottom: 1px solid var(--kti-rule);
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr) auto;
  margin: 0 auto;
  max-width: var(--page-width);
  padding: clamp(42px, 7vw, 82px) clamp(20px, 4vw, 48px) 34px;
}

.registry-head h1 {
  font-size: clamp(2rem, 5vw, 4.1rem);
  letter-spacing: 0;
  line-height: 1.02;
  margin: 12px 0 18px;
}

.registry-head p {
  color: var(--kti-slate);
  max-width: 760px;
}

.standards-head {
  box-shadow: inset 0 -4px 0 rgba(180, 138, 60, 0.34);
}

.protocols-head {
  box-shadow: inset 0 -4px 0 rgba(116, 183, 198, 0.38);
}

.family-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 10px;
  margin: 0 auto;
  max-width: var(--page-width);
  padding: 28px clamp(20px, 4vw, 48px);
}

.family-nav a {
  background: var(--kti-white);
  border: 1px solid var(--kti-rule);
  border-radius: 6px;
  color: var(--kti-carbon);
  min-height: 38px;
  padding: 8px 11px;
  text-decoration: none;
}

.family-nav .primary-family-link {
  background: var(--kti-carbon);
  border-color: var(--kti-carbon);
  color: var(--kti-white);
  padding-left: 14px;
  padding-right: 14px;
}

.family-nav a.active {
  background: var(--kti-carbon);
  border-color: var(--kti-carbon);
  color: var(--kti-white);
}

.family-nav .primary-family-link.active {
  background: var(--kti-trust-blue);
  border-color: var(--kti-trust-blue);
}

.registry-tools {
  background: var(--kti-white);
  border-bottom: 1px solid var(--kti-rule);
  border-top: 1px solid var(--kti-rule);
}

.filters {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin: 0 auto;
  max-width: var(--page-width);
  padding: 22px clamp(20px, 4vw, 48px);
}

.compact-filters {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(220px, 1fr) minmax(160px, 220px) minmax(160px, 260px) auto;
  margin: 0 auto;
  max-width: var(--page-width);
  padding: 18px clamp(20px, 4vw, 48px);
}

.filters label,
.compact-filters label,
.desk-form label {
  color: var(--kti-slate);
  display: grid;
  font-size: 0.86rem;
  gap: 6px;
}

.filters input,
.filters select,
.compact-filters input,
.compact-filters select,
.desk-form input,
.desk-form select,
.desk-form textarea {
  background: var(--kti-white);
  border: 1px solid var(--kti-rule);
  border-radius: 6px;
  color: var(--kti-carbon);
  line-height: 1.3;
  min-height: 42px;
  padding: 8px 10px;
  width: 100%;
}

.filters input,
.filters select,
.compact-filters input,
.compact-filters select,
.desk-form input,
.desk-form select {
  height: 42px;
}

.filters select,
.compact-filters select,
.desk-form select {
  background-image:
    linear-gradient(45deg, transparent 50%, var(--kti-slate) 50%),
    linear-gradient(135deg, var(--kti-slate) 50%, transparent 50%);
  background-position:
    calc(100% - 16px) 18px,
    calc(100% - 11px) 18px;
  background-repeat: no-repeat;
  background-size: 5px 5px, 5px 5px;
  padding-right: 30px;
}

.desk-form option.inactive-option {
  background: #d9dee3;
  color: #5f6871;
}

.desk-form option.inactive-option:disabled {
  color: #5f6871;
}

.label-with-help {
  align-items: center;
  display: inline-flex;
  gap: 7px;
  position: relative;
  width: max-content;
}

.help-tip {
  align-items: center;
  background: var(--kti-white);
  border: 1px solid var(--kti-rule);
  border-radius: 999px;
  color: var(--kti-slate);
  cursor: help;
  display: inline-flex;
  font-size: 0.72rem;
  font-weight: 700;
  height: 18px;
  justify-content: center;
  line-height: 1;
  width: 18px;
}

.help-bubble {
  background: var(--kti-carbon);
  border-radius: 6px;
  bottom: calc(100% + 8px);
  box-shadow: 0 12px 28px rgba(27, 31, 36, 0.2);
  color: var(--kti-white);
  display: none;
  font-size: 0.8rem;
  font-weight: 400;
  left: 0;
  line-height: 1.4;
  max-width: min(330px, 80vw);
  padding: 10px 12px;
  position: absolute;
  text-transform: none;
  width: max-content;
  z-index: 20;
}

.label-with-help:hover .help-bubble,
.help-tip:focus + .help-bubble {
  display: block;
}

.desk-form label.is-inactive-family {
  color: #6f767e;
}

.desk-form label.is-disabled-family {
  color: #8a929a;
}

.desk-form label.is-inactive-family select,
.desk-form label.is-disabled-family select {
  background-color: #e1e5e9;
  border-color: #aeb6bd;
  color: #5f6871;
}

.desk-form label.is-disabled-family select {
  background-image:
    linear-gradient(45deg, transparent 50%, #8a929a 50%),
    linear-gradient(135deg, #8a929a 50%, transparent 50%);
  opacity: 1;
}

.desk-form input[type="file"] {
  height: auto;
  min-height: 42px;
}

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

.date-field input[data-formatted-date] {
  padding-right: 48px;
}

.desk-form .date-field input[type="date"] {
  background: transparent;
  border: 0;
  bottom: 0;
  color: transparent;
  cursor: pointer;
  height: 42px;
  min-height: 42px;
  opacity: 0;
  padding: 0;
  position: absolute;
  right: 0;
  top: 0;
  width: 44px;
  z-index: 2;
}

.date-field::before {
  border: 1.5px solid var(--kti-slate);
  border-radius: 4px;
  content: "";
  height: 18px;
  pointer-events: none;
  position: absolute;
  right: 14px;
  top: 12px;
  width: 18px;
  z-index: 1;
}

.date-field::after {
  background:
    linear-gradient(var(--kti-slate), var(--kti-slate)) 0 0 / 100% 1.5px no-repeat,
    linear-gradient(var(--kti-slate), var(--kti-slate)) 4px 5px / 2px 2px no-repeat,
    linear-gradient(var(--kti-slate), var(--kti-slate)) 9px 5px / 2px 2px no-repeat,
    linear-gradient(var(--kti-slate), var(--kti-slate)) 14px 5px / 2px 2px no-repeat,
    linear-gradient(var(--kti-slate), var(--kti-slate)) 4px 10px / 2px 2px no-repeat,
    linear-gradient(var(--kti-slate), var(--kti-slate)) 9px 10px / 2px 2px no-repeat;
  content: "";
  height: 12px;
  pointer-events: none;
  position: absolute;
  right: 15px;
  top: 19px;
  width: 16px;
  z-index: 1;
}

.desk-form .date-field input[type="date"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  height: 42px;
  opacity: 0;
  width: 44px;
}

.filters button,
.compact-filters button,
.desk-form button,
.danger-form button {
  align-self: end;
  background: var(--kti-carbon);
  border: 1px solid var(--kti-carbon);
  border-radius: 6px;
  color: var(--kti-white);
  cursor: pointer;
  min-height: 42px;
  padding: 9px 14px;
}

.record-list {
  display: grid;
  gap: 16px;
  margin: 0 auto;
  max-width: var(--page-width);
  padding: 32px clamp(20px, 4vw, 48px) 70px;
}

.registry-records {
  display: grid;
  gap: 14px;
  margin: 0 auto;
  max-width: var(--page-width);
  padding: 30px clamp(20px, 4vw, 48px) 70px;
}

.record-card {
  background: var(--kti-white);
  border: 1px solid var(--kti-rule);
  border-radius: 6px;
  padding: 22px;
}

.registry-record {
  background: var(--kti-white);
  border-left: 4px solid var(--kti-trust-blue);
  border-radius: 6px;
  box-shadow: inset 0 0 0 1px var(--kti-rule);
  padding: 22px;
}

.standard-records .registry-record {
  border-left-color: var(--kti-standard-gold);
}

.protocol-records .registry-record {
  border-left-color: var(--kti-fabric-cyan);
}

.record-card h2 {
  font-size: clamp(1.3rem, 2.4vw, 2rem);
  letter-spacing: 0;
  line-height: 1.16;
  margin: 12px 0 6px;
}

.registry-record h2 {
  font-size: clamp(1.25rem, 2.2vw, 1.85rem);
  letter-spacing: 0;
  line-height: 1.16;
  margin: 12px 0 6px;
}

.registry-record h2 a {
  color: var(--kti-carbon);
  text-decoration: none;
}

.record-card h2 a {
  color: var(--kti-carbon);
  text-decoration: none;
}

.record-topline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  background: var(--kti-mist);
  border: 1px solid var(--kti-rule);
  border-radius: 6px;
  color: var(--kti-carbon);
  display: inline-flex;
  font-size: 0.76rem;
  min-height: 28px;
  padding: 5px 8px;
}

.badge-type {
  background: var(--kti-carbon);
  border-color: var(--kti-carbon);
  color: var(--kti-white);
}

.badge-standard {
  background: var(--kti-standard-gold);
  border-color: var(--kti-standard-gold);
  color: var(--kti-white);
}

.badge-protocol {
  background: var(--kti-trust-blue);
  border-color: var(--kti-trust-blue);
  color: var(--kti-white);
}

.badge-status.normative-standard,
.badge-status.standard,
.badge-status.standards,
.badge-status.standards-draft {
  background: rgba(180, 138, 60, 0.14);
  border-color: rgba(180, 138, 60, 0.45);
}

.badge-status.research-draft,
.badge-status.draft,
.badge-status.protocol-draft {
  background: rgba(101, 125, 107, 0.14);
  border-color: rgba(101, 125, 107, 0.45);
}

.badge-status.revoked {
  background: rgba(155, 78, 74, 0.14);
  border-color: rgba(155, 78, 74, 0.45);
}

.identifier,
.checksum span {
  font-family: Consolas, "Courier New", monospace;
}

.identifier {
  color: var(--kti-graphite);
  font-size: 0.92rem;
}

.record-meta {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  margin: 18px 0 0;
}

.record-meta div {
  border-top: 1px solid var(--kti-rule);
  padding-top: 10px;
}

.record-meta dt {
  color: var(--kti-slate);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.record-meta dd {
  margin: 2px 0 0;
}

.document-detail {
  max-width: var(--reader-width);
}

.document-header {
  border-bottom: 1px solid var(--kti-rule);
  margin-bottom: 28px;
  padding-bottom: 28px;
}

.download-panel,
.versions {
  background: var(--kti-white);
  border: 1px solid var(--kti-rule);
  border-radius: 6px;
  margin: 28px 0;
  padding: 20px;
}

.download-panel h2,
.versions h2,
.prose h2,
.desk-section h2,
.lookup-grid h2 {
  font-size: 1.1rem;
  letter-spacing: 0;
  margin: 0 0 14px;
}

.download-button {
  align-items: center;
  background: linear-gradient(90deg, var(--kti-trust-blue), var(--kti-graphite));
  border-radius: 6px;
  color: var(--kti-white);
  display: flex;
  gap: 16px;
  justify-content: space-between;
  min-height: 58px;
  padding: 14px 16px;
  text-decoration: none;
}

.checksum {
  color: var(--kti-slate);
  overflow-wrap: anywhere;
}

.prose {
  font-size: 1.05rem;
}

.prose ul,
.prose ol {
  margin: 0 0 1rem;
  padding-left: 1.35rem;
}

.prose li {
  margin: 0.35rem 0;
}

.prose a {
  font-weight: 700;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0;
}

.tag-row span {
  background: var(--kti-mist);
  border: 1px solid var(--kti-rule);
  border-radius: 6px;
  padding: 7px 10px;
}

.versions a {
  align-items: center;
  border-top: 1px solid var(--kti-rule);
  color: var(--kti-carbon);
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(180px, 1fr) 1.4fr auto;
  padding: 12px 0;
  text-decoration: none;
}

.site-footer {
  background: var(--kti-carbon);
  color: var(--kti-white);
  padding: 42px clamp(20px, 4vw, 56px);
}

.footer-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(320px, 1.8fr) repeat(4, minmax(115px, 1fr));
  margin: 0 auto;
  max-width: var(--page-width);
}

.site-footer h2 {
  font-size: 0.9rem;
  letter-spacing: 0;
  margin: 0 0 10px;
}

.footer-grid section:not(.footer-identity) h2 {
  font-size: 0.82rem;
}

.footer-identity img {
  display: block;
  height: 74px;
  margin-bottom: 14px;
  width: 74px;
}

.footer-identity h2 {
  font-size: 0.9rem;
  line-height: 1.25;
  margin-bottom: 6px;
}

.footer-identity h2.footer-company-name-el {
  font-size: 0.82rem;
}

.footer-identity p {
  color: var(--kti-mist);
  margin: 8px 0 0;
  max-width: 360px;
}

.company-data {
  font-size: 0.82rem;
}

.company-data {
  color: rgba(231, 236, 240, 0.78);
}

.site-footer a {
  color: var(--kti-mist);
  display: block;
  font-size: 0.9rem;
  margin: 5px 0;
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--kti-white);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.footer-note {
  color: var(--kti-mist);
  margin: 28px auto 0;
  max-width: var(--page-width);
}

.desk-shell.narrow {
  max-width: 620px;
}

.desk-top {
  align-items: center;
  border-bottom: 1px solid var(--kti-rule);
  display: flex;
  gap: 20px;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 20px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.desk-form {
  display: grid;
  gap: 16px;
}

.grid-form {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.span-two {
  grid-column: 1 / -1;
}

.checkbox-line {
  align-items: center;
  display: flex !important;
  gap: 10px !important;
}

.checkbox-line input {
  accent-color: var(--kti-trust-blue);
  appearance: auto;
  -webkit-appearance: checkbox;
  height: 16px;
  min-height: 0;
  width: 16px;
}

.secondary-form-button {
  background: var(--kti-white) !important;
  border-color: var(--kti-rule) !important;
  color: var(--kti-carbon) !important;
}

.desk-actions {
  justify-content: flex-start;
  margin-bottom: 28px;
}

.desk-actions a,
.secondary-button {
  align-items: center;
  background: var(--kti-white);
  border: 1px solid var(--kti-rule);
  border-radius: 6px;
  color: var(--kti-carbon);
  display: inline-flex;
  min-height: 38px;
  padding: 8px 12px;
}

button.secondary-button {
  cursor: pointer;
}

.desk-message {
  background: rgba(116, 183, 198, 0.16);
  border: 1px solid rgba(45, 107, 136, 0.24);
  border-radius: 6px;
  padding: 12px;
}

.validation {
  color: var(--kti-red);
  grid-column: 1 / -1;
}

.validation-message {
  color: var(--kti-red);
  font-size: 0.8rem;
  min-height: 1.1em;
}

.field-note {
  color: var(--kti-slate);
  font-size: 0.8rem;
}

.field-validation-valid {
  display: none;
}

.desk-form.was-validated input:invalid,
.desk-form.was-validated select:invalid,
.desk-form.was-validated textarea:invalid {
  border-color: var(--kti-red);
}

.desk-section {
  margin: 30px 0;
}

.tag-editor {
  align-items: center;
  background: var(--kti-white);
  border: 1px solid var(--kti-rule);
  border-radius: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 42px;
  padding: 6px;
}

.tag-chip-row {
  display: contents;
}

.desk-form .tag-chip {
  align-items: center;
  align-self: center;
  background: var(--kti-mist);
  border: 1px solid var(--kti-rule);
  border-radius: 999px;
  color: var(--kti-carbon);
  display: inline-flex;
  font-size: 0.84rem;
  min-height: 28px;
  padding: 4px 10px;
}

.desk-form .tag-chip::after {
  content: "x";
  color: var(--kti-slate);
  margin-left: 8px;
}

.desk-form .tag-editor input {
  border: 0;
  flex: 1 1 180px;
  min-height: 28px;
  padding: 4px;
}

.desk-table {
  border: 1px solid var(--kti-rule);
  border-radius: 6px;
  overflow: hidden;
}

.desk-row {
  align-items: center;
  background: var(--kti-white);
  border-top: 1px solid var(--kti-rule);
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(260px, 2fr) repeat(4, minmax(90px, 1fr));
  padding: 13px 14px;
}

.desk-row:first-child {
  border-top: 0;
}

.desk-row span {
  color: var(--kti-slate);
  display: block;
  font-size: 0.86rem;
}

.danger-form {
  margin-top: 24px;
}

.danger-form button {
  background: var(--kti-red);
  border-color: var(--kti-red);
}

.restore-form {
  margin-top: 24px;
}

.upload-form {
  background: var(--kti-white);
  border: 1px solid var(--kti-rule);
  border-radius: 6px;
  margin-top: 34px;
  padding: 16px;
}

.upload-form button {
  justify-self: start;
}

.restore-form .desk-message {
  margin-bottom: 12px;
}

.attachment-manager {
  background: var(--kti-white);
  border: 1px solid var(--kti-rule);
  border-radius: 6px;
  display: grid;
  gap: 10px;
  padding: 16px;
}

.attachment-manager h2 {
  color: var(--kti-carbon);
  font-size: 1rem;
  letter-spacing: 0;
  margin: 0 0 4px;
}

.attachment-row {
  align-items: center;
  border-top: 1px solid var(--kti-rule);
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(190px, auto) minmax(0, 1fr);
  padding-top: 10px;
}

.attachment-row:first-of-type {
  border-top: 0;
}

.attachment-row a {
  color: var(--kti-carbon);
  text-decoration: none;
}

.attachment-row a span {
  color: var(--kti-slate);
  display: block;
  font-size: 0.82rem;
}

.attachment-row.is-hidden-attachment {
  opacity: 0.58;
}

.status-pill {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.78rem;
  min-height: 26px;
  padding: 4px 9px;
}

.status-deleted {
  background: rgba(155, 78, 74, 0.16);
  color: var(--kti-red);
  font-weight: 700;
}

.lookup-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-top: 28px;
}

.merge-panel {
  background: var(--kti-white);
  border: 1px solid var(--kti-rule);
  border-radius: 6px;
  margin-top: 28px;
  padding: 18px;
}

.merge-panel h2 {
  font-size: 1.1rem;
  letter-spacing: 0;
  margin: 0 0 8px;
}

.merge-panel p {
  color: var(--kti-slate);
  margin-top: 0;
}

.type-category-panel {
  background: var(--kti-white);
  border: 1px solid var(--kti-rule);
  border-radius: 6px;
  display: grid;
  gap: 8px;
  padding: 14px;
}

.type-category-panel[hidden] {
  display: none !important;
}

.type-category-panel h2 {
  font-size: 1rem;
  letter-spacing: 0;
  margin: 0 0 4px;
}

.lookup-grid section {
  background: var(--kti-white);
  border: 1px solid var(--kti-rule);
  border-radius: 6px;
  padding: 18px;
}

.lookup-row {
  background: transparent;
  border: 0;
  border-top: 1px solid var(--kti-rule);
  color: var(--kti-carbon);
  cursor: pointer;
  display: grid;
  gap: 4px;
  padding: 10px 0;
  text-align: left;
  width: 100%;
}

.lookup-row:first-of-type {
  border-top: 0;
}

.lookup-row:hover strong {
  color: var(--kti-trust-blue);
}

.lookup-row span:last-child {
  color: var(--kti-slate);
  font-size: 0.86rem;
}

@media (max-width: 720px) {
  .site-header,
  .desk-top,
  .registry-head {
    align-items: flex-start;
    flex-direction: column;
    display: flex;
  }

  .compact-filters {
    grid-template-columns: 1fr;
  }

  .versions a,
  .desk-row {
    grid-template-columns: 1fr;
  }

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

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