/* ── Page themes via body[data-theme] ── */

body[data-theme="home"],
body[data-theme="identity"] {
  --page-accent: var(--accent);
  --page-orb1: rgba(111, 168, 190, 0.26);
  --page-orb2: rgba(121, 183, 147, 0.2);
}
body[data-theme="capabilities"],
body[data-theme="access"] {
  --page-accent: var(--cyan);
  --page-orb1: rgba(111, 168, 190, 0.3);
  --page-orb2: rgba(111, 168, 190, 0.16);
}
body[data-theme="surface"],
body[data-theme="lab"] {
  --page-accent: var(--amber);
  --page-orb1: rgba(194, 160, 106, 0.22);
  --page-orb2: rgba(111, 168, 190, 0.16);
}
body[data-theme="field-log"],
body[data-theme="reports"] {
  --page-accent: var(--cyan);
  --page-orb1: rgba(138, 147, 158, 0.22);
  --page-orb2: rgba(111, 168, 190, 0.18);
}
body[data-theme="signals"] {
  --page-accent: var(--accent);
  --page-orb1: rgba(121, 183, 147, 0.26);
  --page-orb2: rgba(111, 168, 190, 0.18);
}

/* ── Section shell ── */

.sec {
  max-width: 880px;
  margin: 0 auto;
  padding: 7.5rem clamp(1.1rem, 4vw, 2.5rem) 5rem;
  padding-left: max(clamp(1.1rem, 4vw, 2.5rem), env(safe-area-inset-left));
  padding-right: max(clamp(1.1rem, 4vw, 2.5rem), env(safe-area-inset-right));
}

.sec-head {
  margin-bottom: 2.2rem;
  padding-bottom: 1.3rem;
  border-bottom: 1px solid var(--border);
}

.sec-path {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--page-accent, var(--accent));
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
}

.sec-title {
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
}

.sec-sub {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-dim);
}

.sec-intro {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 680px;
  margin-bottom: 2.2rem;
}

.sec-text {
  max-width: 680px;
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.sec-text p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ── kv / status blocks (monospace) ── */

.kv-block,
.status-block {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--panel-edge);
  padding: 1.1rem 1.3rem;
  max-width: 680px;
}

.kv-row {
  display: flex;
  gap: 1.2rem;
  padding: 0.42rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  flex-wrap: wrap;
}
.kv-row:last-child { border-bottom: none; }

.kv-key {
  color: var(--text-faint);
  min-width: 7.5rem;
  flex-shrink: 0;
}

.kv-val {
  color: var(--text);
  flex: 1;
  min-width: 0;
  overflow-wrap: break-word; /* fallback for older Safari */
  overflow-wrap: anywhere;
}
.kv-val--ok { color: var(--accent); }
.kv-val--warn { color: var(--amber); }
.kv-val--accent { color: var(--page-accent, var(--accent)); }

/* ── HOME ── */

.sec--home {
  padding-top: clamp(7rem, 16vh, 10rem);
}

.home-head { margin-bottom: 2.2rem; }

.home-title {
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 6vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  background: linear-gradient(180deg, #eef2f6 0%, #9aa5b1 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.home-sub {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.4vw, 1.2rem);
  color: var(--page-accent, var(--accent));
  margin-top: 0.2rem;
}

.home-tagline {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-dim);
  margin-top: 0.9rem;
}

.home-intro {
  max-width: 660px;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 2.2rem;
}
.home-intro p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-dim);
}
.home-intro .home-note {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-faint);
  padding-top: 0.2rem;
}

.status-block { margin-bottom: 2.6rem; }

.home-index-title {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  text-transform: lowercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin-bottom: 0.8rem;
}

.index-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--panel-edge);
  overflow: hidden;
}

.index-row {
  display: flex;
  align-items: baseline;
  gap: 1.2rem;
  padding: 0.78rem 1.3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: background 0.25s, padding-left 0.25s var(--ease-out);
}
.index-row:last-child { border-bottom: none; }
.index-row:hover {
  background: rgba(255, 255, 255, 0.025);
  padding-left: 1.6rem;
}
.index-row::after {
  content: '›';
  margin-left: auto;
  align-self: center;
  font-family: var(--font-mono);
  color: var(--page-accent, var(--accent));
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.25s, transform 0.25s var(--ease-out);
}
.index-row:hover::after {
  opacity: 0.8;
  transform: translateX(0);
}

.index-path {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--page-accent, var(--accent));
  min-width: 8.5rem;
  flex-shrink: 0;
}

.index-desc {
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ── CAPABILITIES ── */

.cap-groups {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.cap-group {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--panel-edge);
  padding: 1.4rem 1.5rem;
  transition: border-color 0.3s;
}
.cap-group:hover { border-color: var(--border-strong); }
.cap-group-title::before {
  content: '── ';
  color: var(--page-accent, var(--accent));
  font-family: var(--font-mono);
  font-size: 0.7em;
  font-weight: 400;
  vertical-align: 0.15em;
}

.cap-group-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.45rem;
}

.cap-group-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-dim);
  margin-bottom: 0.9rem;
}

.cap-items {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.cap-items li {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  padding: 0.26rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.02);
  transition: color 0.25s, border-color 0.25s;
}
.cap-items li:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

/* ── Cards (surface / access / lab) ── */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.9rem;
}

.card {
  border: 1px solid var(--border);
  border-left: 2px solid var(--page-accent, var(--accent));
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--panel-edge);
  padding: 1.15rem 1.25rem;
  transition: border-color 0.3s, background 0.3s, transform 0.3s var(--ease-out), box-shadow 0.3s;
}
.card:hover {
  border-color: var(--border-strong);
  border-left-color: var(--page-accent, var(--accent));
  background: rgba(20, 25, 32, 0.92);
  transform: translateY(-2px);
  box-shadow: var(--panel-edge), 0 8px 22px rgba(0, 0, 0, 0.3);
}

.card-title {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.card-desc {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ── FIELD-LOG ── */

.log-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.log-entry {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--panel-edge);
  padding: 1.25rem 1.4rem;
  transition: border-color 0.3s;
}
.log-entry:hover { border-color: var(--border-strong); }

.log-entry-title {
  font-size: 0.98rem;
  font-weight: 600;
  margin-bottom: 0.7rem;
}

.log-row {
  display: flex;
  gap: 0.9rem;
  padding: 0.28rem 0;
  align-items: baseline;
}

.log-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-faint);
  min-width: 5.2rem;
  flex-shrink: 0;
}
.log-label--result { color: var(--accent); }

.log-text {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-dim);
}
.log-row:last-child .log-text { color: var(--text); }

/* ── REPORTS ── */

.reports-status {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 2rem;
  max-width: 680px;
}

.reports-status-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--panel);
  box-shadow: var(--panel-edge);
}

.reports-status-key {
  color: var(--text-faint);
}

.reports-status-val {
  color: var(--text);
}

.reports-status-val--none {
  color: var(--amber);
}

.reports-status-val--ok {
  color: var(--accent);
}

.reports-intro {
  margin-top: 0;
  margin-bottom: 2.4rem;
}

.reports-catalog {
  margin-top: 0.25rem;
}

.reports-catalog-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.reports-catalog-title {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  text-transform: lowercase;
  margin: 0;
}

.reports-catalog-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.reports-catalog-tools[hidden] {
  display: none !important;
}

.copy-btn--ghost {
  background: transparent;
}

.copy-btn--ghost:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.reports-catalog-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  max-width: 720px;
}

.report-doc {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--panel-edge);
  overflow: hidden;
  transition: border-color 0.25s, background 0.25s;
}

.report-doc.is-open {
  border-color: rgba(111, 168, 190, 0.35);
  background: rgba(111, 168, 190, 0.04);
}

.report-doc-toggle {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.95rem 1.05rem;
  border: none;
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: background 0.2s;
}

.report-doc-toggle:hover {
  background: rgba(255, 255, 255, 0.02);
}

.report-doc-toggle:focus-visible {
  outline: 1px solid var(--page-accent, var(--cyan));
  outline-offset: -1px;
}

.report-doc-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.report-doc-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.report-doc-file {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--page-accent, var(--cyan));
  flex-shrink: 0;
}

.report-doc-lead {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--text-dim);
}

.report-doc-body {
  padding: 0 1.05rem 1.1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.report-doc-body[hidden] {
  display: none !important;
}

.report-sec {
  padding: 0.75rem 0 0.15rem;
}

.report-sec + .report-sec {
  margin-top: 0.15rem;
  padding-top: 0.85rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.06);
}

.report-sec-head {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--text);
}

.report-sec-idx {
  color: var(--page-accent, var(--cyan));
  flex-shrink: 0;
  min-width: 1.4rem;
}

.report-sec-title {
  flex: 1;
}

.report-sec-body {
  margin: 0.45rem 0 0 2.05rem;
}

.report-doc-body.is-compact .report-sec-body {
  display: none;
}

.report-sec-line {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--text-dim);
}

.report-sec-line + .report-sec-line {
  margin-top: 0.15rem;
}

.reports-toast {
  margin-top: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
}

.reports-toast[hidden] {
  display: none;
}

.reports-toast.visible {
  display: block;
  animation: fadeToast 2.2s ease forwards;
}

/* ── SIGNALS ── */

.signals-channels {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--panel-edge);
  max-width: 680px;
  overflow: hidden;
}

.signal-channel {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  padding: 0.85rem 1.3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  flex-wrap: wrap;
}
.signal-channel:last-child { border-bottom: none; }

.signal-channel-key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  min-width: 6.5rem;
  flex-shrink: 0;
}

.signal-channel-val {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--text);
  flex: 1;
  min-width: 8rem;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
  transition: color 0.25s, border-color 0.25s, background 0.25s;
  white-space: nowrap;
}
.copy-btn:hover {
  color: var(--page-accent, var(--accent));
  border-color: var(--border-strong);
  background: var(--accent-dim);
}
.copy-btn--link:hover {
  color: var(--cyan);
  background: var(--cyan-dim);
}

.signals-toast {
  margin-top: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
}
.signals-toast[hidden] { display: none; }
.signals-toast.visible {
  display: block;
  animation: fadeToast 2.2s ease forwards;
}

@keyframes fadeToast {
  0% { opacity: 0; transform: translateY(4px); }
  12%, 70% { opacity: 1; transform: none; }
  100% { opacity: 0; }
}

.signals-cta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text);
}

/* ── RU typography ── */

/* hyphenate long Russian words in body text on narrow layouts */
html[lang='ru'] .sec-text p,
html[lang='ru'] .home-intro p,
html[lang='ru'] .sec-intro,
html[lang='ru'] .cap-group-desc,
html[lang='ru'] .card-desc,
html[lang='ru'] .log-text,
html[lang='ru'] .doc-card-sections {
  -webkit-hyphens: auto;
  hyphens: auto;
}

/* wide tracking looks stretched in Cyrillic monospace — tighten it */
html[lang='ru'] .home-index-title,
html[lang='ru'] .reports-future-title {
  letter-spacing: 0.03em;
}

/* Russian strings are ~10–15% longer: give mono labels room to breathe */
@media (min-width: 769px) {
  html[lang='ru'] .kv-key { min-width: 9.5rem; }
  html[lang='ru'] .log-label { min-width: 6.4rem; }
  html[lang='ru'] .signal-channel-key { min-width: 7.5rem; }
}

@media (max-width: 480px) {
  .copy-btn { white-space: normal; text-align: left; }
}

/* ── Responsive ── */

@media (max-width: 768px) {
  .sec { padding-top: 6rem; padding-bottom: 3.5rem; }
  .sec--home { padding-top: 6.5rem; }

  .sec-head { margin-bottom: 1.7rem; padding-bottom: 1rem; }
  .sec-intro,
  .sec-text p,
  .home-intro p { font-size: 0.95rem; line-height: 1.75; }

  .card-grid { grid-template-columns: 1fr; }
  .card { padding: 1rem 1.05rem; }
  .card:hover { transform: none; } /* no hover-lift on touch */

  .kv-block,
  .status-block { padding: 0.95rem 1.05rem; }
  .kv-row { flex-direction: column; gap: 0.1rem; }
  .kv-key { min-width: 0; }

  .index-row { flex-direction: column; gap: 0.15rem; padding: 0.7rem 1.05rem; }
  .index-row:hover { padding-left: 1.05rem; }
  .index-row::after { display: none; }
  .index-path { min-width: 0; }

  .cap-group { padding: 1.15rem 1.1rem; }

  .log-entry { padding: 1.05rem 1.1rem; }
  .log-row { flex-direction: column; gap: 0.15rem; }
  .log-label { min-width: 0; }

  .reports-status { flex-direction: column; align-items: stretch; }
  .reports-status-item { justify-content: space-between; border-radius: var(--radius); }
  .reports-catalog-bar { flex-direction: column; align-items: stretch; }
  .reports-catalog-tools { width: 100%; }
  .report-doc-row { flex-direction: column; gap: 0.2rem; align-items: flex-start; }

  .signal-channel { gap: 0.6rem; padding: 0.85rem 1.05rem; }
  .signal-channel-key { min-width: 100%; }
  .copy-btn {
    width: 100%;
    justify-content: center;
    padding: 0.55rem 0.85rem;
    margin-top: 0.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page.leaving,
  .page.entering {
    animation: none;
  }
  .card:hover { transform: none; }
}