/* «Мысль» — бумага, одна линия и много воздуха.
   Один цвет (без полутонов) и один кегль текста — 15px; иерархия только жирностью и подчёркиванием.
   Крупно — лишь слово «Мысль» и сама фраза в генераторе. */
/* Minipax с ровными (lnum) цифрами по умолчанию: canvas не умеет включать OpenType-фичи */
@font-face { font-family: 'Minipax'; src: url('fonts/MinipaxLining-Regular.otf') format('opentype'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Minipax'; src: url('fonts/MinipaxLining-SemiBold.otf') format('opentype'); font-weight: 600; font-display: swap; }

:root {
  --paper: #FFFFFF;
  --ink: #1F1F1F;
  --lw: 1.5px;
  --fs: 15px;
  --display: Minipax, 'PT Serif', Georgia, serif;
  --text: Minipax, 'PT Serif', Georgia, serif;
  --ease: cubic-bezier(.2, .7, 0, 1);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100dvh;
  background: var(--paper);
  color: var(--ink);
  font: 400 var(--fs)/1.5 var(--text);
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: lining-nums;
  overflow-x: hidden;
}
[hidden] { display: none !important; }
button, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
:focus-visible { outline: 1px solid var(--ink); outline-offset: 4px; }

b, strong, .tile__title, .reveal__title { font-weight: 600; }

/* текстовые переключатели вместо «таблеток» */
.seg { display: flex; gap: 20px; }
.seg__btn, .chip, .filter__btn, .link, .btn, .cat-go__btn {
  position: relative; padding: 4px 0; font-size: var(--fs); color: var(--ink); white-space: nowrap;
}
.seg__btn::after, .chip::after, .filter__btn::after, .link::after, .btn::after, .cat-go__btn::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor; display: none;
}
.seg__btn:hover::after, .chip:hover::after, .filter__btn:hover::after, .link:hover::after, .btn:hover::after, .cat-go__btn:hover::after,
.seg__btn.is-on::after, .chip.is-on::after, .filter__btn.is-on::after, .btn[aria-expanded="true"]::after { display: block; }
.filter__btn .n { margin-left: 4px; }

/* ═════════ ГЕНЕРАТОР ═════════ */
.app { max-width: 560px; margin: 0 auto; padding: calc(env(safe-area-inset-top) + 24px) 20px calc(env(safe-area-inset-bottom) + 40px); }

.top { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; }
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; font: 400 var(--fs)/1 var(--text); }
.brand__back { transition: transform .4s var(--ease); }
.brand:hover .brand__back { transform: translateX(-4px); }

.controls { margin-bottom: 24px; }
.chips { display: flex; gap: 4px 18px; overflow-x: auto; scrollbar-width: none; margin: 0 -20px; padding: 0 20px; }
.chips::-webkit-scrollbar { display: none; }
.chip { flex: 0 0 auto; }

.axes { display: grid; gap: 4px; }
.axis { display: grid; grid-template-columns: 96px minmax(0, 1fr) auto auto; align-items: center; gap: 4px; }
.axis__select {
  appearance: none; -webkit-appearance: none; width: 100%; min-width: 0;
  border: 0; background: transparent; padding: 6px 0; font: 400 var(--fs)/1.3 var(--text); color: var(--ink);
  text-overflow: ellipsis; white-space: nowrap; overflow: hidden; cursor: pointer;
}
.ico { width: 32px; height: 32px; display: grid; place-items: center; color: var(--ink); position: relative; }
.ico[aria-pressed="true"]::after { content: ''; position: absolute; left: 8px; right: 8px; bottom: 2px; height: 1px; background: var(--ink); }
.ico svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }

.riddle { min-height: 96px; display: flex; flex-direction: column; justify-content: flex-end; margin: 8px 0 28px; }
.eyebrow { margin: 0 0 12px; }
.headline { margin: 0; font: 400 clamp(30px, 8.4vw, 42px)/1.06 var(--display); letter-spacing: -.015em; text-wrap: balance; }
.headline.is-long, .headline.is-xlong { font-size: clamp(22px, 6vw, 28px); line-height: 1.16; }

.stage { position: relative; aspect-ratio: 1; width: 100%; }
.stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

.actions { display: flex; align-items: center; gap: 28px; margin-top: 28px; }
.btn--ink::before { content: '→ '; }
.btn:disabled { cursor: progress; }
.btn--icon { margin-left: auto; display: grid; place-items: center; }
.btn--icon::after { display: none; }
.btn--icon svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; transition: transform .4s var(--ease); }
.btn--icon:hover svg { transform: translateY(2px); }

.links { display: flex; flex-wrap: wrap; gap: 4px 24px; margin-top: 8px; min-height: 26px; }

.reveal { margin-top: 36px; max-width: 52ch; animation: in .4s ease; }
.reveal__title { margin: 0 0 8px; font-size: var(--fs); line-height: 1.4; }
.reveal__text { margin: 0 0 14px; }
.reveal__more { margin: 0; display: flex; flex-wrap: wrap; gap: 4px 24px; }
.reveal__more a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
@keyframes in { from { opacity: 0; transform: translateY(6px); } }

@media (min-width: 960px) {
  .app {
    max-width: 1360px;
    padding: 48px 64px;
    display: grid;
    grid-template-columns: minmax(360px, 1fr) min(calc(100dvh - 96px), 680px);
    grid-template-areas: "top stage" "controls stage" "riddle stage" "actions stage" "links stage" "reveal stage";
    grid-template-rows: auto auto 1fr auto auto auto;
    column-gap: 96px;
    align-items: start;
    min-height: 100dvh;
    align-content: center;
  }
  .top { grid-area: top; }
  .controls { grid-area: controls; }
  .riddle { grid-area: riddle; align-self: end; margin: 48px 0 32px; }
  .stage { grid-area: stage; position: sticky; top: 48px; }
  .actions { grid-area: actions; margin-top: 0; }
  .links { grid-area: links; }
  .reveal { grid-area: reveal; }
  .chips { flex-wrap: wrap; overflow: visible; margin: 0; padding: 0; }
  .headline { font-size: clamp(40px, 3.6vw, 56px); }
  .headline.is-long, .headline.is-xlong { font-size: clamp(26px, 2.2vw, 34px); }
}

.toast { position: fixed; left: 50%; bottom: calc(env(safe-area-inset-bottom) + 24px); transform: translateX(-50%); background: var(--ink); color: var(--paper); padding: 8px 16px; font-size: var(--fs); animation: in .25s ease; z-index: 10; }

/* ═════════ КАТАЛОГ ═════════ */
.catalog { max-width: 1680px; margin: 0 auto; padding: calc(env(safe-area-inset-top) + 28px) 20px calc(env(safe-area-inset-bottom) + 96px); }

.cat-head { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); column-gap: 16px; row-gap: 28px; padding-bottom: 72px; }
.wordmark {
  grid-column: 1 / -1; margin: 0; display: flex; align-items: flex-start; gap: .05em;
  font: 400 clamp(72px, 22vw, 112px)/.86 var(--display); letter-spacing: -.045em;
}
.cat-lede { grid-column: 1 / span 5; margin: 0; max-width: 40ch; }
.cat-bar { grid-column: 1 / -1; display: flex; flex-direction: column; gap: 20px; }
.cat-go { display: flex; flex-wrap: wrap; gap: 4px 24px; }
.cat-go__btn span { display: inline-block; margin-left: 6px; transition: transform .45s var(--ease); }
.cat-go__btn:hover span { transform: translateX(4px); }
.filter { grid-column: 1 / -1; display: flex; gap: 4px 20px; overflow-x: auto; scrollbar-width: none; margin: 0 -20px; padding: 0 20px; }
.filter::-webkit-scrollbar { display: none; }
.filter__btn { flex: 0 0 auto; }

/* сетка без рамок: плитки висят в поле, места раскладки задаёт catalog.js */
.grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); column-gap: 16px; row-gap: 48px; align-items: start; }
.tile { grid-column: var(--cm); grid-row: var(--rm); display: block; color: inherit; text-decoration: none; outline: none; }
.tile__vis { position: relative; aspect-ratio: 1; width: 100%; }
.tile__vis canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; transition: opacity .5s ease, transform .8s var(--ease); }
.tile:hover .tile__vis canvas, .tile:focus-visible .tile__vis canvas { transform: scale(.97); }
.tile__body { padding-top: 14px; }
.tile__meta { margin: 2px 0 0; }
.tile__title { margin: 0; font-size: var(--fs); line-height: 1.4; display: inline; }
.tile:hover .tile__title, .tile:focus-visible .tile__title { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.tile__go { display: inline-block; margin-left: 6px; opacity: 0; transform: translateX(-6px); transition: opacity .3s, transform .5s var(--ease); }
.tile:hover .tile__go, .tile:focus-visible .tile__go { opacity: 1; transform: none; }
.tile__thesis { display: none; margin: 8px 0 0; max-width: 46ch; }

.catalog.is-text .tile__vis { display: none; }
.catalog.is-text .tile__body { padding-top: 0; }
.catalog.is-text .tile__thesis { display: block; }

.catalog.is-intro .tile { animation: rise .9s var(--ease) both; animation-delay: calc(min(var(--i), 16) * 45ms); }
@keyframes rise { from { opacity: 0; transform: translateY(16px); } }

@media (min-width: 720px) {
  .catalog { padding: 40px 40px 120px; }
  .cat-head, .grid { grid-template-columns: repeat(8, minmax(0, 1fr)); column-gap: 24px; }
  .grid { row-gap: 72px; }
  .tile { grid-column: var(--ct); grid-row: var(--rt); }
  .cat-lede { grid-column: 1 / span 5; }
  .filter { margin: 0; padding: 0; flex-wrap: wrap; }
}
@media (min-width: 1100px) {
  .catalog { padding: 48px 64px 160px; }
  .cat-head, .grid { grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 32px; }
  .cat-head { padding-bottom: 120px; row-gap: 40px; align-items: end; }
  .grid { row-gap: 96px; }
  .tile { grid-column: var(--cd); grid-row: var(--rd); }
  .wordmark { grid-column: 1 / span 7; font-size: clamp(120px, 10vw, 184px); }
  .cat-lede { grid-column: 9 / span 4; padding-bottom: .4em; }
  .cat-bar { grid-column: 1 / span 6; }
  .filter { grid-column: 9 / span 4; align-self: start; flex-direction: column; gap: 2px; }
  .filter__btn { align-self: flex-start; }
}

/* ——— переходы между экранами ——— */
::view-transition-group(*) { animation-duration: .6s; animation-timing-function: var(--ease); }
::view-transition-group(vis) { animation-duration: .75s; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .35s; }
.catalog:not([hidden]), .app:not([hidden]) { animation: fadein .45s ease both; }
@keyframes fadein { from { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  .reveal, .toast, .catalog.is-intro .tile, .catalog:not([hidden]), .app:not([hidden]) { animation: none; }
  .tile__vis canvas, .tile__go { transition: none; }
}