/* Ijāzah public Person + Relation reader · Owner Decision A page chrome. */
:root {
  --plate-paper: var(--ink);
  --plate-panel: var(--ink-2);
  --plate-panel-2: var(--ink-3);
  --plate-ink: var(--heading);
  --plate-text: var(--text);
  --plate-mute: var(--muted);
  --plate-red: var(--accent);
  --plate-gray: var(--faint);
  --plate-rule: var(--line);
  --plate-rule-strong: var(--line-strong);
  --plate-grid: var(--line);
  --obs-paper: var(--plate-paper);
  --obs-ink: var(--plate-ink);
  --obs-soft: var(--plate-text);
  --obs-muted: var(--plate-mute);
  --obs-rule: var(--plate-rule);
  --obs-rule-strong: var(--plate-rule-strong);
  --obs-wash: var(--plate-panel);
  --obs-accent: var(--plate-red);
  --obs-display: 'IBM Plex Sans Thai', 'Sarabun';
  --obs-body: 'Sarabun';
  --obs-ui: 'Inter', 'IBM Plex Sans Thai', 'Sarabun';
  --obs-arabic: 'Amiri';
}

*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { background: var(--plate-paper); scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--plate-paper);
  color: var(--plate-ink);
  font-family: var(--obs-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button, input, select { color: inherit; font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: default; opacity: 0.4; }
:lang(ar), [dir='rtl'] { font-family: var(--obs-arabic); line-height: 1.85; }
::selection { background: var(--plate-red); color: var(--plate-paper); }
:focus-visible { outline: 3px solid var(--plate-red); outline-offset: 3px; }
[hidden] { display: none !important; }

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

.ijz-page { min-width: 0; background: var(--plate-paper); }
.ijz-wrap {
  width: min(80rem, 100%);
  margin-inline: auto;
  padding-inline: 2.5rem;
}

/* Minimal page top: breadcrumb, one title, then the functional reader. */
.ijz-top {
  padding-block: 5rem 1rem;
  border-block-end: 1px solid var(--plate-rule);
  background: var(--plate-paper);
}
.ijz-breadcrumb {
  display: flex;
  align-items: center;
  min-height: 2.75rem;
  margin-block-end: 0.35rem;
  font-family: var(--obs-ui);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.ijz-breadcrumb a {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 2.75rem;
  color: var(--plate-mute);
  text-decoration: none;
}
.ijz-breadcrumb a:hover,
.ijz-breadcrumb a:focus-visible { color: var(--plate-red); }
.ijz-top h1 {
  max-width: 52rem;
  margin: 0;
  color: var(--plate-ink);
  font-family: var(--obs-display);
  font-size: clamp(2.1rem, 4vw, 3rem);
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1.12;
}

.ijz-reader {
  position: relative;
  padding-block: clamp(1.25rem, 3vw, 2rem) 6rem;
  background: var(--plate-paper);
}

.ijz-command {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem 2.5rem;
  align-items: end;
  width: 100%;
  max-width: 52rem;
  padding-block: 1rem 1.25rem;
  border-block-end: 1px solid var(--plate-rule-strong);
}
.obs-field { display: grid; gap: 0.35rem; min-width: 0; }
.obs-field label {
  color: var(--plate-mute);
  font-family: var(--obs-ui);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}
.obs-field input,
.obs-field select,
.obs-picker__trigger {
  width: 100%;
  min-height: 3.5rem;
  padding: 0.625rem 0.9rem;
  border: 1px solid var(--plate-rule-strong);
  border-radius: 12px;
  background: var(--plate-paper);
  color: var(--plate-ink);
}
.obs-field input::placeholder { color: var(--plate-mute); opacity: 1; }
.obs-field input:disabled,
.obs-field select:disabled { background: var(--plate-panel); color: var(--plate-mute); }
.obs-picker { position: relative; display: none; width: 100%; }
.obs-picker__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  text-align: start;
}
.obs-picker__trigger:disabled { opacity: 1; background: var(--plate-panel); color: var(--plate-mute); }
.obs-picker__trigger[aria-expanded='true'] { border-color: var(--plate-ink); }
.obs-picker__chevron { flex: none; color: var(--plate-mute); font-size: 1rem; line-height: 1; }
.obs-picker__popover {
  position: absolute;
  z-index: 40;
  inset: calc(100% + 0.35rem) 0 auto;
  width: 100%;
  max-height: 20rem;
  overflow-y: auto;
  overscroll-behavior: contain;
  border: 1px solid var(--plate-rule-strong);
  border-radius: 12px;
  background: var(--plate-paper);
  box-shadow: 0 1rem 2.5rem color-mix(in srgb, var(--plate-ink) 16%, transparent);
}
.obs-picker__listbox { margin: 0; padding: 0.35rem; list-style: none; }
.obs-picker__option {
  display: flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.45rem 0.65rem;
  border-inline-start: 2px solid transparent;
  color: var(--plate-ink);
  line-height: 1.35;
  cursor: pointer;
}
.obs-picker__option:hover,
.obs-picker__option.is-active { background: var(--plate-panel); }
.obs-picker__option[aria-selected='true'] { border-inline-start-color: var(--plate-red); font-weight: 700; }
.obs-command__meta {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  min-height: 1rem;
}
.obs-help,
.obs-status { margin: 0; color: var(--plate-mute); font-size: 0.75rem; line-height: 1.45; }
.obs-help {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.ijz-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  margin: 1rem 0 0;
  padding-block: 0.75rem 1rem;
  border-block-end: 1px solid var(--plate-rule);
}
.ijz-stats > div {
  display: flex;
  min-width: 8.5rem;
  align-items: baseline;
  gap: 0.55rem;
}
.ijz-stats dt {
  color: var(--plate-mute);
  font-family: var(--obs-ui);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  line-height: 1.4;
}
.ijz-stats dd {
  margin: 0;
  color: var(--plate-red);
  font-family: var(--obs-display);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
}

.obs-network-empty {
  display: grid;
  min-height: clamp(14rem, 30vw, 24rem);
  place-items: center;
  border-block-end: 1px solid var(--plate-rule);
  color: var(--plate-mute);
  text-align: center;
}
.obs-network-empty p { margin: 0; font-size: 0.875rem; }

/* The approved diagram keeps its exact inherited palette and all geometry. */
.obs-diagram {
  --plate-paper: #f2ede3;
  --plate-panel: #ece6da;
  --plate-panel-2: #e4ddcd;
  --plate-ink: #161210;
  --plate-text: #3b332c;
  --plate-mute: #6b6258;
  --plate-red: #b31b1b;
  --plate-gray: #6b7280;
  --plate-rule: rgba(22, 18, 16, 0.12);
  --plate-rule-strong: rgba(22, 18, 16, 0.22);
  --plate-grid: rgba(22, 18, 16, 0.07);
  --obs-paper: var(--plate-paper);
  --obs-ink: var(--plate-ink);
  --obs-soft: var(--plate-text);
  --obs-muted: var(--plate-mute);
  --obs-rule: var(--plate-rule);
  --obs-rule-strong: var(--plate-rule-strong);
  --obs-wash: var(--plate-panel);
  --obs-accent: var(--plate-red);
  padding-block: 1.5rem 3rem;
}
html.dark-mode .obs-diagram {
  --plate-paper: #14110d;
  --plate-panel: #1b1712;
  --plate-panel-2: #221d17;
  --plate-ink: #e8e2d4;
  --plate-text: #cfc7b6;
  --plate-mute: #9a9384;
  --plate-red: #d8443f;
  --plate-gray: #9aa1ab;
  --plate-rule: rgba(232, 226, 212, 0.13);
  --plate-rule-strong: rgba(232, 226, 212, 0.28);
  --plate-grid: rgba(232, 226, 212, 0.06);
}
.obs-selection {
  display: grid;
  grid-template-columns: minmax(12rem, 0.8fr) auto minmax(15rem, 1.2fr);
  gap: 0.75rem 1.25rem;
  align-items: center;
  margin-block-end: 1rem;
  padding-block: 0.75rem;
  border-block: 1px solid var(--plate-rule);
}
.obs-selection p { margin: 0; color: var(--plate-mute); font-size: 0.78rem; }
.obs-selection p span { margin-inline-end: 0.45rem; }
.obs-selection strong { color: var(--plate-ink); font-family: var(--obs-arabic); font-size: 1.25rem; font-weight: 500; }
.obs-selection__actions { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.obs-selection__actions button {
  min-height: 2.75rem;
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--plate-rule-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--plate-text);
  font-family: var(--obs-display);
  font-size: 0.75rem;
  font-weight: 600;
}
.obs-selection__actions button[aria-pressed='true'],
.obs-selection__actions button:hover { border-color: var(--plate-red); color: var(--plate-red); }
.obs-diagram-frame {
  position: relative;
  isolation: isolate;
  width: 100%;
  min-height: 32rem;
  padding: clamp(1.25rem, 3vw, 2.5rem);
  border-block: 1px solid var(--plate-rule-strong);
  background:
    radial-gradient(var(--plate-grid) 0.8px, transparent 0.8px) 0 0 / 22px 22px,
    color-mix(in srgb, var(--plate-panel) 72%, var(--plate-paper));
  overflow: hidden;
}

/* Current React Flow / ELK and mobile DOM+SVG islands retain their topology. */
.ijg-capsule,
.ijg-chip,
.ijg-controls button {
  background: var(--plate-paper);
  color: var(--plate-ink);
  border-color: var(--plate-rule-strong);
}
.ijg-capsule { box-shadow: 0 1px 0 color-mix(in srgb, var(--plate-ink) 8%, transparent); }
.ijg-capsule:hover,
.ijg-capsule--related { border-color: var(--plate-ink); }
.ijg-capsule--focused { border-color: var(--plate-red); }
.ijg-capsule--linked { outline-color: var(--plate-red); }
.ijg-chip { color: var(--plate-text); }
.ijg-chip:hover,
.ijg-chip:focus-visible,
.ijg-chip--active { border-color: var(--plate-red); color: var(--plate-red); }
html.dark-mode .ijg-edge--primary,
html.dark-mode .ijg-edge--related,
html.dark-mode .ijg-mobile__edge--primary,
html.dark-mode .ijg-mobile__edge--related { stroke: var(--plate-ink) !important; }
html.dark-mode .ijg-edge--secondary,
html.dark-mode .ijg-edge--link,
html.dark-mode .ijg-edge--chip,
html.dark-mode .ijg-mobile__edge--secondary,
html.dark-mode .ijg-mobile__edge--link { stroke: var(--plate-gray) !important; }
html.dark-mode .ijg-edge--focused,
html.dark-mode .ijg-mobile__edge--focused { stroke: var(--plate-red) !important; }
html.dark-mode #ijg-arrow path,
html.dark-mode #ijg-m-arrow-primary path { stroke: var(--plate-ink) !important; }
html.dark-mode #ijg-arrow-secondary path,
html.dark-mode #ijg-m-arrow-secondary path { stroke: var(--plate-gray) !important; }
html.dark-mode #ijg-arrow-focus path,
html.dark-mode #ijg-m-arrow-focus path { stroke: var(--plate-red) !important; }
html.dark-mode #ijg-arrow-dim path,
html.dark-mode #ijg-m-arrow-dim path { stroke: var(--plate-ink) !important; }

/* Path remains functional and editorially restrained. */
.ijz-path {
  margin-block-start: clamp(4.5rem, 9vw, 8rem);
  padding-block-start: clamp(3.5rem, 6vw, 5.5rem);
  border-block-start: 1px solid var(--plate-rule-strong);
}
.ijz-path__head {
  display: grid;
  grid-template-columns: minmax(20rem, 1fr) auto;
  gap: 1.25rem 3rem;
  align-items: end;
  margin-block-end: 2.25rem;
}
.ijz-kicker {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 0.75rem;
  color: var(--plate-red);
  font-family: var(--obs-ui);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  line-height: 1.4;
  text-transform: uppercase;
}
.ijz-kicker::before { content: ''; width: 2rem; height: 1px; flex: none; background: currentColor; }
.ijz-path__head h2 {
  margin: 0;
  color: var(--plate-ink);
  font-family: var(--obs-display);
  font-size: clamp(2.35rem, 5vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.08;
}
.ijz-path__head > div > p:last-child {
  max-width: 44rem;
  margin: 1rem 0 0;
  color: var(--plate-text);
  line-height: 1.75;
}
.obs-path-status { margin: 0; color: var(--plate-mute); font-size: 0.75rem; text-align: end; }
.obs-path-form {
  display: grid;
  grid-template-columns: minmax(14rem, 1fr) 7rem minmax(14rem, 1fr) auto;
  gap: 1rem 1.25rem;
  align-items: end;
  padding-block: 1.375rem;
  border-block: 1px solid var(--plate-rule-strong);
}
.obs-path-direction {
  position: relative;
  display: grid;
  min-height: 3.5rem;
  place-items: center;
  color: var(--plate-mute);
  font-family: var(--obs-ui);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}
.obs-path-direction::before {
  content: '';
  position: absolute;
  inset: 50% 0 auto;
  border-block-start: 1px solid var(--plate-rule-strong);
}
.obs-path-direction::after {
  content: '\203a';
  position: absolute;
  inset: calc(50% - 0.75rem) -0.1rem auto auto;
  color: var(--plate-rule-strong);
  font-size: 1rem;
}
.obs-path-direction span { position: relative; padding-inline: 0.5rem; background: var(--plate-paper); }
.obs-path-actions { display: flex; gap: 0.5rem; }
.obs-action {
  min-height: 3.5rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--plate-ink);
  border-radius: 12px;
  background: transparent;
  color: var(--plate-ink);
  font-family: var(--obs-display);
  font-size: 0.78rem;
  font-weight: 650;
  white-space: nowrap;
}
.obs-action:not(:disabled):hover { border-color: var(--plate-red); color: var(--plate-red); }

/* Directional highlight studied from the self-hosted homepage treatment. */
#path-find {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 3.5rem;
  border-color: var(--plate-ink);
  border-radius: 12px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--plate-ink) 90%, white), var(--plate-ink));
  color: var(--plate-paper);
  box-shadow: inset 0 1px 0 color-mix(in srgb, white 18%, transparent), 0 8px 20px color-mix(in srgb, var(--plate-ink) 12%, transparent);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
#path-find::after {
  content: '';
  position: absolute;
  z-index: -1;
  inset: -1px;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(112deg, transparent 25%, color-mix(in srgb, white 52%, transparent) 49%, transparent 72%);
  transform: translateX(-115%);
}
#path-find:not(:disabled):hover,
#path-find:not(:disabled):focus-visible {
  border-color: var(--plate-red);
  color: white;
  box-shadow: inset 0 1px 0 color-mix(in srgb, white 24%, transparent), 0 10px 24px color-mix(in srgb, var(--plate-red) 16%, transparent);
  transform: translateY(-1px);
}
#path-find:not(:disabled):hover::after,
#path-find:not(:disabled):focus-visible::after {
  opacity: 1;
  animation: ijz-path-shine 0.7s ease-out 1;
}
#path-find:disabled {
  background: var(--plate-panel);
  border-color: var(--plate-rule-strong);
  color: var(--plate-mute);
  box-shadow: none;
  transform: none;
}
#path-find:disabled::after { display: none; }
@keyframes ijz-path-shine {
  from { transform: translateX(-115%); }
  to { transform: translateX(115%); }
}

.obs-path-result {
  padding-block: 2.25rem 0.5rem;
  border-block-end: 1px solid var(--plate-rule);
}
.obs-path-result h3 {
  margin: 0 0 1.25rem;
  color: var(--plate-mute);
  font-family: var(--obs-ui);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.obs-path {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem 2.625rem;
  margin: 0;
  padding: 0 0 1.75rem;
  list-style: none;
}
.obs-path li {
  position: relative;
  display: grid;
  min-height: 3rem;
  min-width: 10rem;
  max-width: 18rem;
  place-items: center;
  padding: 0.5rem 1.25rem;
  border: 2px solid var(--plate-rule-strong);
  border-radius: 999px;
  background: var(--plate-paper);
  color: var(--plate-ink);
  text-align: center;
}
.obs-path li:not(:last-child)::after {
  content: '\203a';
  position: absolute;
  inset: 50% -2.8rem auto auto;
  width: 2.8rem;
  border-block-start: 2px solid var(--plate-rule-strong);
  color: var(--plate-rule-strong);
  font-family: var(--obs-ui);
  font-size: 1rem;
  font-weight: 700;
  line-height: 0;
  text-align: end;
}
.obs-path li span { display: block; font-size: 1.08rem; line-height: 1.5; overflow-wrap: anywhere; }
.obs-path__direction { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }

@media (min-width: 64rem) {
  .obs-native-select { display: none; }
  .obs-picker { display: block; }
}

@media (max-width: 63.9375rem) {
  .obs-selection { grid-template-columns: 1fr; }
  .obs-path-form { grid-template-columns: 1fr; }
  .obs-path-direction { justify-items: start; min-height: 2rem; }
  .obs-path-direction::before { inset-inline: 0; }
  .obs-path-direction span { margin-inline-start: 1rem; }
  .obs-path-actions { justify-content: flex-start; }
}

@media (max-width: 56.25rem) {
  .ijz-wrap { padding-inline: 1.375rem; }
  .ijz-path__head { grid-template-columns: 1fr; }
  .obs-path-status { text-align: start; }
}

@media (max-width: 39.9375rem) {
  .ijz-wrap { padding-inline: 1rem; }
  .ijz-top { padding-block: 5.75rem 1rem; }
  .ijz-breadcrumb { margin-block-end: 0.15rem; }
  .ijz-top h1 { font-size: clamp(2rem, 10vw, 2.75rem); }
  .ijz-reader { padding-block: 0.75rem 4rem; }
  .ijz-command { padding-block-start: 0.75rem; }
  .obs-field input,
  .obs-field select,
  .obs-picker__trigger { min-height: 3rem; }
  .ijz-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.65rem;
    padding-block: 0.75rem;
  }
  .ijz-stats > div { min-width: 0; display: grid; gap: 0.2rem; }
  .ijz-stats dt { font-size: 0.58rem; letter-spacing: 0.02em; }
  .ijz-stats dd { font-size: 1rem; }
  .obs-diagram { padding-block-start: 1rem; }
  .obs-diagram-frame { min-height: 26rem; padding: 1.25rem 0.35rem 1.25rem 0.85rem; }
  .obs-selection__actions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .obs-selection__actions button { min-width: 0; padding-inline: 0.35rem; }
  .ijz-path { margin-block-start: 4.5rem; padding-block-start: 3.5rem; }
  .ijz-path__head h2 { font-size: clamp(2rem, 11vw, 2.75rem); }
  .ijz-path__head > div > p:last-child { font-size: 0.92rem; }
  .obs-path-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .obs-action { min-height: 3rem; white-space: normal; }
  .obs-path { display: grid; gap: 2.25rem; }
  .obs-path li { width: 100%; max-width: none; min-height: 3.25rem; }
  .obs-path li:not(:last-child)::after {
    inset: auto 50% -2.25rem auto;
    width: 0;
    height: 2.25rem;
    border-block-start: 0;
    border-inline-start: 2px solid var(--plate-rule-strong);
  }
}

@media (hover: none) {
  #path-find::after { display: none; }
  #path-find:not(:disabled):hover { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
  #path-find::after {
    display: none !important;
    animation: none !important;
    transform: none !important;
  }
}