/*
 * Research Record — reusable page system for The Tank Guide University research records
 * (e.g. /university/research/gh-kh-ph/, future /university/research/summer-heat/).
 * Loaded after university.page.css; relies on its tokens, background, nav and hero styles.
 * All components are namespaced .rr-* and scoped to body.research-record.
 */

.research-record {
  --rr-surface: linear-gradient(180deg, rgba(8, 29, 49, 0.62) 0%, rgba(8, 29, 49, 0.74) 100%);
  --rr-surface-inset: rgba(6, 22, 38, 0.62);
  --rr-border: rgba(148, 175, 198, 0.3);
  --rr-border-strong: rgba(255, 255, 255, 0.34);
  --rr-text: #f7fbff;
  --rr-text-muted: rgba(233, 242, 255, 0.84);
  --rr-text-subtle: rgba(222, 234, 248, 0.76);
  --rr-accent: #3fd3da;
  --rr-accent-soft: rgba(63, 211, 218, 0.16);
  --rr-caution: #f4c46b;
  --rr-caution-soft: rgba(244, 196, 107, 0.14);
  --rr-neutral-soft: rgba(255, 255, 255, 0.08);
  --rr-radius: 20px;
  --rr-radius-sm: 12px;
  --rr-measure: 72ch;
}

.research-record .university-shell {
  width: min(1040px, 100%);
  gap: clamp(28px, 5vw, 48px);
  min-width: 0;
}

.research-record main.university-bg {
  padding-top: clamp(28px, 6vw, 72px);
}

/* Breadcrumb + back link */
.research-record .rr-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.92rem;
  color: var(--rr-text-subtle);
}

.research-record .rr-breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.research-record .rr-breadcrumb li + li::before {
  content: "/";
  color: var(--rr-text-subtle);
}

.research-record main .rr-breadcrumb a {
  font-weight: 600;
}

.research-record .rr-breadcrumb [aria-current="page"] {
  color: var(--rr-text);
}

/* Hero additions */
.research-record .hero {
  text-align: left;
  justify-items: start;
}

.research-record .hero__title {
  font-size: clamp(2.1rem, 6vw, 3.4rem);
  overflow-wrap: anywhere;
}

.research-record .hero__intro {
  margin: 0;
  max-width: var(--rr-measure);
}

.research-record .rr-status-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
}

.research-record .rr-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid rgba(63, 211, 218, 0.55);
  background: var(--rr-accent-soft);
  color: var(--rr-text);
  font-weight: 600;
  font-size: 0.94rem;
}

.research-record .rr-status__icon {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--rr-accent);
  box-shadow: 0 0 0 3px rgba(63, 211, 218, 0.25);
  flex-shrink: 0;
}

.research-record .rr-audited {
  color: var(--rr-text-muted);
  font-size: 0.95rem;
}

.research-record .rr-hero-note {
  margin: 0;
  max-width: var(--rr-measure);
  padding: 12px 16px;
  border-left: 3px solid var(--rr-accent);
  border-radius: 0 var(--rr-radius-sm) var(--rr-radius-sm) 0;
  background: var(--rr-neutral-soft);
  color: var(--rr-text-muted);
  line-height: 1.6;
}

/* Table of contents */
.research-record .rr-toc {
  padding: clamp(18px, 4vw, 26px);
  border-radius: var(--rr-radius);
  border: 1px solid var(--rr-border);
  background: var(--rr-surface);
  backdrop-filter: blur(16px);
}

.research-record .rr-toc__title {
  margin: 0 0 10px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rr-text-subtle);
}

.research-record .rr-toc ol {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 6px 20px;
  margin: 0;
  padding: 0 0 0 1.2em;
  color: var(--rr-text-subtle);
}

.research-record .rr-toc li {
  padding: 3px 0;
}

.research-record main .rr-toc a {
  font-weight: 600;
}

/* Sections */
.research-record .rr-section {
  min-width: 0;
  scroll-margin-top: 24px;
}

.research-record .rr-section > p,
.research-record .rr-prose {
  max-width: var(--rr-measure);
  color: var(--rr-text-muted);
  line-height: 1.7;
}

.research-record .rr-section > p {
  margin: 0 0 14px;
}

.research-record .rr-section h3 {
  font-family: var(--ttg-font-serif);
  font-weight: 600;
  font-size: clamp(1.2rem, 2.6vw, 1.45rem);
  margin: 0 0 8px;
  color: var(--rr-text);
}

.research-record .rr-small {
  font-size: 0.9rem;
  color: var(--rr-text-subtle);
}

.research-record main a:focus-visible,
.research-record summary:focus-visible {
  outline: 3px solid var(--rr-accent);
  outline-offset: 3px;
  border-radius: 6px;
}

/* Topic list */
.research-record .rr-topics {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: 10px;
  margin: 6px 0 16px;
  padding: 0;
  list-style: none;
}

.research-record .rr-topics li {
  padding: 12px 14px;
  border-radius: var(--rr-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: var(--rr-surface-inset);
  color: var(--rr-text-muted);
  line-height: 1.5;
}

.research-record .rr-topics strong {
  display: block;
  color: var(--rr-text);
  margin-bottom: 2px;
}

/* Linked content cards */
.research-record .rr-content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 14px;
  margin: 6px 0 14px;
  padding: 0;
  list-style: none;
}

.research-record .rr-content-card {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 18px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: var(--rr-surface-inset);
  min-width: 0;
}

.research-record .rr-content-card__kind {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rr-accent);
}

.research-record .rr-content-card__title {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.4;
  font-family: var(--ttg-font-sans);
}

.research-record .rr-content-card p {
  margin: 0;
  color: var(--rr-text-subtle);
  font-size: 0.93rem;
  line-height: 1.55;
}

/* Evidence at a glance */
.research-record .rr-glance {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr));
  gap: 18px;
}

.research-record .rr-panel {
  padding: clamp(16px, 3.5vw, 22px);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: var(--rr-surface-inset);
  min-width: 0;
}

.research-record .rr-stat {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 12px;
  margin: 0 0 14px;
}

.research-record .rr-stat__value {
  font-family: var(--ttg-font-serif);
  font-size: clamp(2.4rem, 7vw, 3.1rem);
  font-weight: 600;
  line-height: 1;
  color: var(--rr-text);
}

.research-record .rr-stat__label {
  font-weight: 600;
  color: var(--rr-text-muted);
}

.research-record .rr-breakdown {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.research-record .rr-breakdown li {
  display: grid;
  grid-template-columns: 2.6ch minmax(0, 1fr);
  grid-template-areas:
    "count label"
    "count bar";
  column-gap: 12px;
  row-gap: 5px;
  align-items: center;
}

.research-record .rr-breakdown__count {
  grid-area: count;
  align-self: start;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--rr-text);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.research-record .rr-breakdown__label {
  grid-area: label;
  color: var(--rr-text-muted);
  line-height: 1.4;
}

.research-record .rr-bar {
  grid-area: bar;
  height: 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.research-record .rr-bar span {
  display: block;
  height: 100%;
  min-width: 4px;
  border-radius: 4px;
  background: var(--rr-accent);
}

.research-record .rr-bar--muted span {
  background: rgba(214, 228, 242, 0.62);
}

.research-record .rr-bar--caution span {
  background: var(--rr-caution);
}

.research-record .rr-panel__note {
  margin: 14px 0 0;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--rr-text-subtle);
}

/* Label definitions */
.research-record .rr-definitions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 10px 18px;
  margin: 0;
}

.research-record .rr-definitions div {
  padding: 12px 14px;
  border-radius: var(--rr-radius-sm);
  background: var(--rr-surface-inset);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.research-record .rr-definitions dt {
  font-weight: 700;
  color: var(--rr-text);
  margin-bottom: 3px;
}

.research-record .rr-definitions dd {
  margin: 0;
  color: var(--rr-text-muted);
  line-height: 1.55;
  font-size: 0.95rem;
}

/* Source library */
.research-record .rr-library {
  display: grid;
  gap: 16px;
}

.research-record .rr-group {
  padding: clamp(16px, 3.5vw, 22px);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-left-width: 4px;
  background: var(--rr-surface-inset);
  min-width: 0;
}

.research-record .rr-group--scholarly {
  border-left-color: var(--rr-accent);
}

.research-record .rr-group--professional,
.research-record .rr-group--applied,
.research-record .rr-group--government {
  border-left-color: rgba(143, 196, 236, 0.85);
}

.research-record .rr-group--publication {
  border-left-color: rgba(214, 228, 242, 0.6);
}

.research-record .rr-group--manufacturer {
  border-left-color: var(--rr-caution);
}

.research-record .rr-group--community {
  border-left-style: dashed;
  border-left-color: rgba(214, 228, 242, 0.5);
}

.research-record .rr-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 14px;
}

.research-record .rr-group__count {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--rr-text-subtle);
}

.research-record .rr-group__weight {
  margin: 4px 0 12px;
  max-width: var(--rr-measure);
  color: var(--rr-text-muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

.research-record details.rr-disclosure > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: var(--rr-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
  color: var(--rr-text);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.research-record details.rr-disclosure > summary::-webkit-details-marker {
  display: none;
}

.research-record details.rr-disclosure > summary::before {
  content: "";
  width: 9px;
  height: 9px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.research-record details.rr-disclosure[open] > summary::before {
  transform: rotate(45deg);
}

.research-record details.rr-disclosure > summary:hover {
  border-color: var(--rr-border-strong);
  background: rgba(255, 255, 255, 0.1);
}

.research-record .rr-sources {
  display: grid;
  gap: 12px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.research-record .rr-source {
  padding: 14px 16px;
  border-radius: var(--rr-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(3, 14, 26, 0.5);
  min-width: 0;
  overflow-wrap: anywhere;
}

.research-record .rr-source__title {
  margin: 0 0 6px;
  font-family: var(--ttg-font-sans);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--rr-text);
}

.research-record .rr-source__meta {
  display: grid;
  gap: 2px;
  margin: 0 0 10px;
  color: var(--rr-text-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.research-record .rr-source__meta p {
  margin: 0;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

.research-record .rr-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 8px;
  padding: 0;
  list-style: none;
}

.research-record .rr-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.4;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: var(--rr-neutral-soft);
  color: var(--rr-text-muted);
}

.research-record .rr-badge--verified {
  border-color: rgba(63, 211, 218, 0.55);
  background: var(--rr-accent-soft);
  color: var(--rr-text);
}

.research-record .rr-badge--limited,
.research-record .rr-badge--unverified {
  border-color: rgba(244, 196, 107, 0.6);
  background: var(--rr-caution-soft);
  color: var(--rr-text);
}

.research-record .rr-badge--unverified {
  border-style: dashed;
}

.research-record .rr-source__use {
  margin: 0 0 8px;
  font-size: 0.88rem;
  color: var(--rr-text-subtle);
  line-height: 1.5;
}

.research-record .rr-source__note {
  margin: 0 0 8px;
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border-left: 3px solid rgba(214, 228, 242, 0.5);
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--rr-text-muted);
}

.research-record .rr-source__note--caution {
  border-left-color: var(--rr-caution);
}

.research-record .rr-source__links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.92rem;
}

.research-record .rr-nolink {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--rr-text-subtle);
}

.research-record .rr-ext::after {
  content: "\2197";
  display: inline-block;
  margin-left: 0.25em;
  font-weight: 400;
  text-decoration: none;
}

/* Limitations and notes */
.research-record .rr-limitations {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: rr-limit;
}

.research-record .rr-limitations > li {
  counter-increment: rr-limit;
  position: relative;
  padding: 14px 16px 14px 52px;
  border-radius: var(--rr-radius-sm);
  border: 1px solid rgba(244, 196, 107, 0.34);
  background: rgba(20, 30, 40, 0.55);
  color: var(--rr-text-muted);
  line-height: 1.65;
}

.research-record .rr-limitations > li::before {
  content: counter(rr-limit);
  position: absolute;
  left: 14px;
  top: 14px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--rr-caution-soft);
  border: 1px solid rgba(244, 196, 107, 0.6);
  color: var(--rr-text);
  font-weight: 700;
  font-size: 0.85rem;
}

.research-record .rr-limitations h3 {
  font-family: var(--ttg-font-sans);
  font-size: 1.02rem;
  font-weight: 700;
  margin: 0 0 4px;
}

.research-record .rr-limitations p {
  margin: 0;
}

.research-record .rr-limitations p + p,
.research-record .rr-limitations ul + p {
  margin-top: 6px;
}

.research-record .rr-limitations ul {
  margin: 6px 0 0;
  padding-left: 1.2em;
}

.research-record .rr-checklist {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: var(--rr-measure);
}

.research-record .rr-checklist li {
  position: relative;
  padding-left: 30px;
  color: var(--rr-text-muted);
  line-height: 1.6;
}

.research-record .rr-checklist li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.45em;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--rr-accent);
  border-bottom: 2px solid var(--rr-accent);
  transform: rotate(-45deg);
}

.research-record .rr-steps {
  margin: 0;
  padding-left: 1.3em;
  max-width: var(--rr-measure);
  color: var(--rr-text-muted);
  line-height: 1.7;
}

.research-record .rr-steps li + li {
  margin-top: 4px;
}

.research-record .ttg-author-byline {
  margin: 0;
  max-width: none;
}

@media (max-width: 520px) {
  .research-record .hero__eyebrow {
    letter-spacing: 0.2em;
  }

  .research-record .rr-limitations > li {
    padding-left: 46px;
  }

  .research-record .rr-group,
  .research-record .rr-panel {
    padding: 14px 12px;
  }

  .research-record .rr-source {
    padding: 12px;
  }

  .research-record .rr-limitations > li::before {
    left: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .research-record details.rr-disclosure > summary::before {
    transition: none;
  }
}

@media (forced-colors: active) {
  .research-record .rr-bar span {
    background: CanvasText;
  }
}

/* Darker glass behind long-form hero copy so text stays readable over the light beams */
.research-record .hero {
  background: linear-gradient(180deg, rgba(8, 29, 49, 0.62) 0%, rgba(8, 29, 49, 0.5) 100%);
  border-color: rgba(255, 255, 255, 0.24);
}