/* ============================================================
   Кабинет восприятия — Атласы невидимого, т. IV
   Оп-арт 1960-х + бланки психологических тестов
   ============================================================ */

:root {
  --paper: #e2d9c3;
  --paper-2: #d8cdb3;
  --paper-3: #efe8d6;
  --ink: #121212;
  --ink-2: #3a3833;
  --ink-soft: rgba(18, 18, 18, .55);
  --line: rgba(18, 18, 18, .22);
  --accent: #c63a1c;           /* только в иллюзии «змей» */
  --serif: "PT Serif", Georgia, "Times New Roman", serif;
  --grot: "Unbounded", "Arial Black", "Helvetica Neue", Arial, sans-serif;
  --mono: "PT Mono", "Courier New", Courier, monospace;
  --gutter: 16px;
  --maxw: 1120px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background-color: var(--paper);
  /* бумажное зерно, очень тихое */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .07 0 0 0 0 .06 0 0 0 0 .04 0 0 0 .06 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
  color: var(--ink);
  font: 400 18px/1.6 var(--serif);
  overflow-x: hidden;
}

.mono { font-family: var(--mono); }
.small { font-size: 13px; line-height: 1.5; color: var(--ink-2); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

a { color: var(--ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; }

.skip {
  position: absolute; left: 8px; top: -60px; z-index: 50;
  background: var(--ink); color: var(--paper); padding: 8px 12px;
}
.skip:focus { top: 8px; }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
@media (min-width: 760px) { :root { --gutter: 32px; } }

/* ---------------- Колонтитул ---------------- */

.runhead {
  position: sticky; top: 0; z-index: 20;
  background: var(--paper);
  border-bottom: 2px solid var(--ink);
  font-size: 13px;
  letter-spacing: .02em;
}
.runhead-in {
  max-width: var(--maxw); margin: 0 auto; padding: 8px var(--gutter);
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.shelf-link { text-decoration: none; white-space: nowrap; }
.shelf-link:hover { text-decoration: underline; }
.runhead-code { flex: 1 1 auto; text-align: center; min-width: 0; }
@media (max-width: 520px) {
  .runhead-in { gap: 6px 10px; }
  .runhead-code { order: 3; flex-basis: 100%; text-align: left; font-size: 12px; }
  .btn-calm { margin-left: auto; }
}

/* ---------------- Кнопки и поля ---------------- */

.btn {
  font: 400 14px/1.2 var(--mono);
  letter-spacing: .03em;
  color: var(--ink);
  background: var(--paper-3);
  border: 1.5px solid var(--ink);
  border-radius: 0;
  padding: 9px 14px;
  min-height: 40px;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .08s, box-shadow .08s;
}
.btn:hover { background: #f6f1e4; }
.btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.btn[aria-pressed="true"], .btn.is-on { background: var(--ink); color: var(--paper); }
.btn:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; }
.btn-ink { background: var(--ink); color: var(--paper); }
.btn-ink:hover { background: #2a2a2a; }
.btn-ink[aria-pressed="true"] { background: var(--paper-3); color: var(--ink); }
.btn-big { font-size: 16px; padding: 12px 20px; }
.btn-link { background: none; border: 0; box-shadow: none; text-decoration: underline; padding: 6px 0; min-height: 0; font-size: 13px; }
.btn-calm { padding: 6px 10px; min-height: 32px; box-shadow: 2px 2px 0 var(--ink); font-size: 13px; }
.btn-calm[aria-pressed="true"]::before, .btn-calm-local[aria-pressed="true"]::before { content: "✓ "; }
@media (prefers-reduced-motion: reduce) { .btn { transition: none; } }

.row { display: flex; flex-wrap: wrap; gap: 10px 12px; align-items: center; }

.slider {
  display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center;
  font-size: 13px;
}
.slider span { grid-column: 1 / -1; }
.slider output { min-width: 5.5em; text-align: right; }
input[type="range"] {
  width: 100%; margin: 0; height: 28px; background: transparent;
  -webkit-appearance: none; appearance: none; accent-color: var(--ink);
}
input[type="range"]::-webkit-slider-runnable-track { height: 6px; background: repeating-linear-gradient(90deg, var(--ink) 0 1px, transparent 1px 8px), var(--paper-2); border: 1px solid var(--ink); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 26px; margin-top: -11px; background: var(--ink); border: 2px solid var(--paper-3); outline: 1px solid var(--ink); cursor: grab; }
input[type="range"]::-moz-range-track { height: 6px; background: var(--paper-2); border: 1px solid var(--ink); }
input[type="range"]::-moz-range-thumb { width: 14px; height: 24px; background: var(--ink); border: 2px solid var(--paper-3); border-radius: 0; cursor: grab; }

.check { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; cursor: pointer; }
.check input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--ink); flex: none; }

input[type="text"], input[type="number"], textarea {
  font: 15px/1.4 var(--mono); color: var(--ink);
  background: transparent;
  border: 0; border-bottom: 1.5px solid var(--ink);
  border-radius: 0; padding: 6px 2px; width: 100%;
}
textarea {
  border: 1.5px solid var(--ink);
  background: repeating-linear-gradient(transparent 0 25px, var(--line) 25px 26px), var(--paper-3);
  background-attachment: local;
  line-height: 26px; padding: 0 8px; resize: vertical;
}
input[type="number"] { max-width: 7em; font-size: 20px; }

/* ---------------- Титул ---------------- */

.hero {
  display: grid; gap: 24px;
  padding-top: 28px; padding-bottom: 12px;
  grid-template-columns: minmax(0, 1fr);
  position: relative;
}
.hero-art { width: min(100%, 360px); justify-self: center; aspect-ratio: 1; }
.hero-art svg { width: 100%; height: 100%; display: block; }
.kicker { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 12px; }
.title {
  font: 900 clamp(30px, 11vw, 64px)/.98 var(--grot);
  letter-spacing: -.02em;
  margin: 0 0 18px;
  overflow-wrap: break-word;
  hyphens: manual;
}
.lede { font-size: clamp(18px, 2.2vw, 21px); max-width: 34em; margin: 0; }

@media (min-width: 900px) {
  .hero { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); padding-top: 48px; column-gap: 48px; }
  .hero-text { grid-column: 1; grid-row: 1; align-self: center; }
  .title { font-size: clamp(44px, 5.6vw, 68px); }
  .hero-art { grid-column: 2; grid-row: 1 / span 2; width: 100%; max-width: 440px; align-self: start; }
  .blank { grid-column: 1; }
  .notice { grid-column: 1 / -1; }
}

.blank {
  position: relative;
  background: var(--paper-3);
  border: 1.5px solid var(--ink);
  padding: 14px 16px 18px;
  font-size: 14px;
  max-width: 560px;
  box-shadow: 6px 6px 0 var(--paper-2), 6px 6px 0 1.5px var(--ink);
}
.blank-head { display: flex; justify-content: space-between; gap: 8px; border-bottom: 3px double var(--ink); padding-bottom: 6px; margin-bottom: 8px; text-transform: uppercase; letter-spacing: .06em; font-size: 12px; }
.field { display: grid; grid-template-columns: 9.5em 1fr; gap: 8px; align-items: end; padding: 6px 0; border-bottom: 1px dotted var(--ink-soft); }
.field > span { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-2); }
.field input { border-bottom: 0; padding: 0; }
.blank-note { margin: 10px 0 0; font-size: 12.5px; line-height: 1.5; color: var(--ink-2); padding-right: 90px; }
@media (max-width: 420px) { .field { grid-template-columns: 1fr; gap: 2px; } .blank-note { padding-right: 0; padding-bottom: 36px; } }

.stamp {
  position: absolute;
  font: 700 13px/1 var(--mono);
  text-transform: uppercase; letter-spacing: .18em;
  color: var(--ink);
  border: 3px double var(--ink);
  padding: 8px 10px 7px;
  opacity: .78;
  pointer-events: none;
  mix-blend-mode: multiply;
}
.stamp-r { right: 12px; bottom: 12px; transform: rotate(-8deg); }
.stamp-l { right: 18px; top: 18px; transform: rotate(6deg); }

.notice {
  font-size: 15px; line-height: 1.5;
  border-left: 4px solid var(--ink);
  padding: 4px 0 4px 14px; margin: 8px 0 0;
  max-width: 44em;
}

/* ---------------- Оглавление ---------------- */

.sec-h { font: 700 clamp(20px, 3vw, 26px)/1.2 var(--grot); margin: 0 0 16px; }
.sec-h .mono { font-weight: 400; font-size: .7em; margin-right: 8px; }

.toc { padding-top: 40px; padding-bottom: 24px; }
.toc-list {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: minmax(0, 1fr); border-top: 1.5px solid var(--ink);
}
@media (min-width: 760px) { .toc-list { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 32px; } }
.toc-list li { border-bottom: 1px solid var(--line); }
.toc-list a { display: flex; gap: 12px; align-items: baseline; padding: 10px 0; text-decoration: none; font-size: 18px; }
.toc-list a:hover { text-decoration: underline; }
.toc-list .mono { font-size: 13px; min-width: 2em; }
.toc-list em { font-style: normal; font-size: 11px; margin-left: auto; border: 1px solid var(--ink); padding: 1px 5px; white-space: nowrap; }
.legend { font-size: 13px; line-height: 1.9; margin: 16px 0 0; }

/* ---------------- Разделители (оп-арт) ---------------- */

.divider { height: 64px; margin: 40px 0 0; overflow: hidden; }
.divider svg { display: block; width: 100%; height: 100%; }

/* ---------------- Глава ---------------- */

.chapter { padding-top: 28px; padding-bottom: 24px; }
.ch-head { margin-bottom: 24px; max-width: 46em; }
.ch-no {
  display: inline-block; margin: 0 0 10px; font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  padding: 4px 10px; border: 1.5px solid var(--ink); background: var(--paper-3);
}
.ch-head h2 { font: 700 clamp(28px, 5.4vw, 52px)/1.04 var(--grot); letter-spacing: -.015em; margin: 0 0 12px; overflow-wrap: anywhere; }
.ch-lede { font-size: clamp(18px, 2vw, 21px); font-style: italic; margin: 0; }

.ch-body { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; }
.ch-main { min-width: 0; display: grid; gap: 28px; align-content: start; }
@media (min-width: 980px) {
  .ch-body { grid-template-columns: minmax(0, 1fr) 230px; gap: 40px; }
}

/* поля */
.margin { font-size: 14.5px; line-height: 1.5; color: var(--ink-2); display: grid; gap: 16px; align-content: start; }
.margin p { margin: 0; padding-top: 10px; border-top: 1px solid var(--line); }
@media (min-width: 980px) {
  .margin { position: sticky; top: 72px; }
  .margin p { border-top: 0; border-left: 1px solid var(--ink); padding: 0 0 0 12px; }
}
.mark {
  display: inline-block; font: 700 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .1em;
  padding: 4px 6px 3px; margin-right: 6px; vertical-align: 1px; white-space: nowrap;
}
.mark-yes { border: 2px solid var(--ink); background: var(--ink); color: var(--paper); }
.mark-no { border: 2px dashed var(--ink); color: var(--ink); background: transparent; }
.mark-no::after { content: " ?"; }

/* стимул-бланк */
.stim {
  margin: 0; border: 1.5px solid var(--ink); background: var(--paper-3);
  min-width: 0;
}
.stim-bar {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-size: 12px; text-transform: uppercase; letter-spacing: .08em;
  padding: 7px 12px; border-bottom: 1.5px solid var(--ink);
  background: var(--ink); color: var(--paper);
}
.stim-bar span:first-child { font-weight: 700; }
.stim-view { position: relative; background: var(--paper); border-bottom: 1.5px solid var(--ink); }
.stim-view canvas, .stim-view svg { display: block; width: 100%; height: auto; }
.stim-view canvas { touch-action: pan-y; }
.stim-ctrl { padding: 14px 14px 16px; display: grid; gap: 14px; }
@media (min-width: 640px) { .stim-ctrl { padding: 16px 20px 20px; } }
.stim-ctrl > .btn { justify-self: start; }

.q { margin: 0; font-size: 14px; line-height: 1.5; }
.choices { display: flex; flex-wrap: wrap; gap: 10px; }
.result { margin: 0; font-size: 14px; line-height: 1.55; min-height: 1em; white-space: pre-line; }
.result:empty { display: none; }
.result b { background: var(--ink); color: var(--paper); padding: 0 4px; font-weight: 400; }

.ames { display: grid; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 640px) { .ames.plan-on { grid-template-columns: repeat(2, minmax(0, 1fr)); } .ames.plan-on #amesPlan { border-left: 1.5px solid var(--ink); } }
@media (max-width: 639px) { .ames.plan-on #amesPlan { border-top: 1.5px solid var(--ink); } }
.ames:not(.plan-on) #amesPlan { display: none; }

/* закрытый стимул */
.gate {
  position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 12px;
  background:
    repeating-linear-gradient(45deg, rgba(18,18,18,.07) 0 2px, transparent 2px 12px),
    var(--paper);
  text-align: center; padding: 16px;
}
.gate p { margin: 0; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.gated:not(.is-gated) .gate { display: none; }

/* объяснение */
.explain { max-width: 40em; }
.explain h3, .inset h3 { font: 700 18px/1.25 var(--grot); margin: 0 0 10px; }
.explain h3::before { content: "Разбор. "; font: 400 13px var(--mono); letter-spacing: .08em; text-transform: uppercase; vertical-align: 2px; }
.explain p { margin: 0 0 12px; }

.inset {
  border: 1.5px solid var(--ink);
  padding: 18px 18px 8px;
  background:
    linear-gradient(var(--paper-3), var(--paper-3)) padding-box,
    repeating-linear-gradient(-45deg, var(--ink) 0 2px, transparent 2px 7px) border-box;
  border: 8px solid transparent;
  outline: 1.5px solid var(--ink);
  outline-offset: -1px;
  font-size: 16.5px;
}
.inset p { margin: 0 0 12px; }
.inset-kicker { margin: 0 0 6px !important; font-size: 12px; text-transform: uppercase; letter-spacing: .14em; }

/* предупреждение */
.warning {
  border: 2px solid var(--ink);
  padding: 14px 16px;
  margin-bottom: 28px;
  background: var(--paper-3);
  position: relative;
  max-width: 46em;
}
.warning::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 8px;
  background: repeating-linear-gradient(45deg, var(--ink) 0 6px, transparent 6px 12px);
  opacity: .5;
}
.warning-h { margin: 6px 0 6px; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; }
.warning p { margin: 0 0 10px; font-size: 16px; line-height: 1.5; }
.warning-act { display: flex; gap: 10px; flex-wrap: wrap; }
body.calm .warning [data-calm-set] { display: none; }
body.calm .warning::after { content: "Режим «без движения» включён."; display: block; font: 13px var(--mono); }

/* источники */
.sources { margin-top: 28px; border-top: 1.5px solid var(--ink); padding-top: 8px; font-size: 14.5px; line-height: 1.5; }
.sources summary { cursor: pointer; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; padding: 6px 0; }
.sources ol { margin: 8px 0 0; padding-left: 1.6em; overflow-wrap: anywhere; }
.sources li { margin-bottom: 6px; }

/* вкладки */
.tabs { display: flex; flex-wrap: wrap; border-bottom: 1.5px solid var(--ink); }
.tab {
  font: 13px/1.2 var(--mono); padding: 10px 14px; background: transparent; color: var(--ink);
  border: 0; border-right: 1px solid var(--ink); cursor: pointer; min-height: 40px;
}
.tab[aria-selected="true"] { background: var(--ink); color: var(--paper); }

.counter { display: flex; gap: 12px; flex-wrap: wrap; }
.counter-dial {
  display: flex; align-items: baseline; gap: 6px;
  border: 1.5px solid var(--ink); padding: 6px 12px; background: var(--paper);
  font-size: 30px; line-height: 1; min-width: 7.2em;
  background-image: repeating-linear-gradient(90deg, transparent 0 11px, var(--line) 11px 12px);
}
.counter-dial small { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }

/* клякса */
.blot-view { background: #f1ebdc; }
.answer { font-size: 13px; line-height: 1.5; }
.blot-log { list-style: none; margin: 0; padding: 0; font-size: 13px; display: grid; gap: 6px; }
.blot-log li { border-left: 3px solid var(--ink); padding: 2px 0 2px 10px; display: flex; gap: 8px; flex-wrap: wrap; align-items: baseline; }
.blot-log li q { flex: 1 1 12em; overflow-wrap: anywhere; }
.blot-log button { font: 12px var(--mono); background: none; border: 0; text-decoration: underline; cursor: pointer; padding: 2px; color: var(--ink); }

.g-form { display: grid; gap: 12px; }

/* ---------------- Протокол ---------------- */

.protocol { padding-top: 32px; padding-bottom: 32px; }
.protocol-sheet {
  position: relative; background: var(--paper-3); border: 1.5px solid var(--ink);
  padding: 18px 16px 18px; font-size: 14px;
  background-image: repeating-linear-gradient(transparent 0 31px, var(--line) 31px 32px);
}
@media (min-width: 640px) { .protocol-sheet { padding: 24px 28px; } }
.protocol-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; border-bottom: 3px double var(--ink); padding-bottom: 8px; margin-bottom: 12px; padding-right: 120px; }
.protocol-head h2 { font: 700 clamp(20px, 3vw, 28px)/1.2 var(--grot); margin: 0; }
@media (max-width: 520px) { .protocol-head { padding-right: 0; padding-top: 36px; } }
.protocol-table { width: 100%; border-collapse: collapse; margin-bottom: 16px; }
.protocol-table th, .protocol-table td { text-align: left; vertical-align: top; padding: 8px 8px 8px 0; border-bottom: 1px dotted var(--ink-soft); }
.protocol-table th { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; border-bottom: 1.5px solid var(--ink); }
.protocol-table td:nth-child(2) { font-weight: 700; }
.protocol-table td:nth-child(3) { color: var(--ink-2); font-size: 12.5px; }
.protocol-table .empty { font-weight: 400; color: var(--ink-soft); }
@media (max-width: 560px) {
  .protocol-table thead { display: none; }
  .protocol-table tr { display: grid; grid-template-columns: 1fr; border-bottom: 1px dotted var(--ink-soft); padding: 8px 0; }
  .protocol-table td { border: 0; padding: 2px 0; }
}

/* ---------------- Колофон ---------------- */

.colophon { padding-top: 40px; padding-bottom: 56px; border-top: 2px solid var(--ink); margin-top: 24px; }
.colophon-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px 32px; font-size: 15.5px; line-height: 1.55; }
@media (min-width: 760px) { .colophon-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.colophon-grid p { margin: 0; }
.imprint { font-size: 13px; line-height: 1.7; margin: 28px 0 0; padding-top: 16px; border-top: 1px solid var(--line); color: var(--ink-2); }
.imprint-stamp { display: inline-block; margin-left: 8px; border: 1.5px solid var(--ink); padding: 1px 8px; color: var(--ink); transform: rotate(-2deg); white-space: nowrap; }
.back { font-size: 13px; margin: 20px 0 0; }

/* ---------------- Печать ---------------- */

@media print {
  .runhead, .divider, .hero-art, .warning, .stim, .toc, .explain, .inset, .margin, .sources, .ch-head, .colophon, .blank, .notice, .protocol .btn { display: none !important; }
  .chapter { display: none; }
  body { background: #fff; }
}