/* Illusory truth effect lesson. All rules scoped under .itr-* */
.itr-feed { width: 100%; max-width: 340px; margin: 0 auto; display: flex; flex-direction: column; gap: 8px; }
.itr-post { display: flex; align-items: flex-start; gap: 10px; padding: 9px 12px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); text-align: left; animation: itrIn .45s cubic-bezier(.2,.8,.2,1) both; transition: border-color .25s, box-shadow .25s, background .3s; }
@keyframes itrIn { from { opacity: 0; translate: 0 22px; } }
.itr-post > i { flex: 0 0 30px; width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font: 800 14px var(--sans); font-style: normal; color: #0A0E1A; }
.itr-post small { font: 600 12px var(--sans); color: var(--faint); }
.itr-post p { margin: 1px 0 0; font: 600 15px/1.3 var(--sans); color: var(--text); }
.itr-tap { cursor: pointer; min-height: 48px; }
.itr-picked { border-color: var(--gold); box-shadow: 0 0 16px rgba(252,192,80,.3); }
.itr-twice .itr-post:nth-child(2) { animation-delay: .5s; }

/* the deck */
.itr-deck { width: 100%; max-width: 330px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.itr-pile { position: relative; width: 100%; height: 190px; }
.itr-card { position: absolute; inset: 0; padding: 18px 18px; border-radius: 20px; background: var(--raised); border: 1.5px solid var(--line-strong); box-shadow: 0 10px 26px rgba(0,0,0,.35); display: flex; flex-direction: column; justify-content: center; gap: 8px; translate: 0 calc(var(--k) * 6px); scale: calc(1 - var(--k) * .03); animation: itrDeal .5s cubic-bezier(.2,.8,.2,1) both; animation-delay: calc(var(--k) * .12s); transition: translate .45s cubic-bezier(.3,.7,.2,1), rotate .45s, opacity .45s, scale .3s; }
@keyframes itrDeal { from { opacity: 0; translate: 0 60px; } }
.itr-card.top { translate: 0 0; scale: 1; border-color: var(--violet-bright); }
.itr-card small { font: 700 12px var(--sans); color: var(--gold); text-transform: uppercase; letter-spacing: .1em; }
.itr-card p { margin: 0; font: 700 20px/1.3 var(--serif); color: var(--text); }
.itr-card.gone-l { translate: -130% 0; rotate: -14deg; opacity: 0; }
.itr-card.gone-r { translate: 130% 0; rotate: 14deg; opacity: 0; }
.choices.itr-rate { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.choices.itr-rate .choice { justify-content: center; text-align: center; }

/* the pairs */
.itr-pairs { width: 100%; max-width: 340px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.itr-step { font: 700 12.5px var(--sans); color: var(--dim); text-transform: uppercase; letter-spacing: .1em; }
.itr-step span { color: var(--gold); }
.itr-two { width: 100%; display: flex; flex-direction: column; align-items: stretch; gap: 6px; }
.itr-claim { min-height: 64px; padding: 12px 14px; border-radius: 16px; background: var(--surface); border: 1.5px solid var(--line-strong); color: var(--text); font: 700 16px/1.3 var(--sans); text-align: left; cursor: pointer; animation: itrIn .35s cubic-bezier(.2,.8,.2,1) both; transition: border-color .2s, box-shadow .2s, opacity .2s; }
.itr-claim:disabled { cursor: default; color: var(--text); opacity: .45; }
.itr-claim.itr-on { opacity: 1; border-color: var(--gold); box-shadow: 0 0 16px rgba(252,192,80,.35); }
.itr-or { text-align: center; font: 700 12.5px var(--sans); color: var(--faint); text-transform: uppercase; letter-spacing: .12em; }

/* the picks, marked */
.itr-list { width: 100%; max-width: 340px; margin: 0 auto; display: flex; flex-direction: column; gap: 8px; }
.itr-row { padding: 10px 12px; border-radius: 14px; background: var(--surface); border: 1.5px solid var(--gold); opacity: 0; translate: 0 14px; transition: opacity .35s, translate .35s; }
.itr-row.on { opacity: 1; translate: 0 0; }
.itr-row p { margin: 0 0 6px; font: 700 15px/1.3 var(--sans); }
.itr-tags { display: flex; gap: 6px; flex-wrap: wrap; opacity: 0; transition: opacity .3s; }
.itr-row.tagged .itr-tags { opacity: 1; }
.itr-tags span { display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 999px; font: 700 12.5px var(--sans); }
.itr-tags svg { width: 15px; height: 15px; }
.itr-seen { background: rgba(169,155,255,.18); color: var(--violet-bright); }
.itr-new { background: rgba(234,227,215,.08); color: var(--dim); }
.itr-true { background: rgba(63,214,154,.15); color: var(--mint); }
.itr-fake { background: rgba(234,227,215,.08); color: var(--dim); border: 1px dashed var(--line-strong); }

/* 1977 */
.itr-study { width: 100%; max-width: 340px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.itr-study img { width: 74%; max-width: 250px; }
.itr-bars { width: 100%; padding: 10px 12px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 8px; }
.itr-visit { font: 700 12.5px var(--sans); color: var(--dim); text-transform: uppercase; letter-spacing: .1em; }
.itr-visit b { color: var(--gold); font-size: 15px; }
.itr-bar span { display: block; font: 700 13.5px var(--sans); margin-bottom: 3px; }
.itr-bar i { display: block; height: 14px; border-radius: 7px; background: rgba(234,227,215,.08); overflow: hidden; }
.itr-bar u { display: block; height: 100%; width: 0; border-radius: 7px; transition: width 1s cubic-bezier(.3,.7,.2,1); }
.itr-rep u { background: linear-gradient(90deg, var(--gold-deep), var(--gold)); }
.itr-fresh u { background: var(--dim); }
.itr-bars small { font: 600 12px var(--sans); color: var(--faint); }
.itr-bars .choices.itr-bpick { display: flex; flex-direction: column; gap: 6px; }
.itr-bars .itr-bpick .choice { padding: 6px 10px; min-height: 44px; display: block; text-align: left; }

/* easy or hard to read */
.itr-easy { width: 100%; max-width: 340px; margin: 0 auto; }
.itr-pre { display: flex; flex-direction: column; gap: 12px; }
.itr-paper { padding: 22px 14px; border-radius: 14px; background: #F4EFE6; font: 700 19px/1.3 var(--sans); text-align: center; }
.itr-faint { color: #D9CDAA; }
.itr-crisp { color: #14213D; }
.itr-easy .choices.itr-cards { display: flex; flex-direction: column; gap: 12px; }
.itr-easy .itr-cards .choice { padding: 4px; min-height: 0; background: transparent; justify-content: center; }
.itr-easy .itr-cards .choice .itr-paper { width: 100%; }

/* the rumor feed */
.itr-phone { width: 100%; max-width: 330px; margin: 0 auto; border-radius: 22px; background: var(--raised); border: 1px solid var(--line-strong); padding: 8px 8px 6px; }
.itr-top { display: flex; justify-content: space-between; align-items: center; padding: 2px 6px 8px; font: 700 13px var(--sans); color: var(--dim); }
.itr-count { display: inline-flex; align-items: center; gap: 5px; color: var(--violet-bright); font: 800 14px var(--sans); }
.itr-count svg { width: 17px; height: 17px; }
.itr-count u { text-decoration: none; color: var(--text); min-width: 10px; }
.itr-sc { height: 250px; overflow: hidden; display: flex; flex-direction: column; gap: 8px; -webkit-mask-image: linear-gradient(#000 80%, transparent); mask-image: linear-gradient(#000 80%, transparent); }
.itr-sc .itr-post { flex: none; animation: itrDrop .4s cubic-bezier(.2,.8,.2,1) both; }
@keyframes itrDrop { from { opacity: 0; translate: 0 -18px; } }
.itr-day { font: 800 13px var(--sans); color: var(--gold); text-transform: uppercase; letter-spacing: .08em; }
.itr-rep.itr-hit { border-color: var(--violet-bright); background: rgba(123,92,253,.14); }
.itr-note { display: block; text-align: center; font: 600 12px var(--sans); color: var(--faint); padding-top: 4px; }

@media (max-height: 700px) {
  .itr-pile { height: 150px; }
  .itr-card p { font-size: 18px; }
  .itr-post { padding: 7px 10px; }
  .itr-post p { font-size: 14px; }
  .itr-claim { min-height: 56px; padding: 10px 12px; font-size: 15px; }
  .itr-study img { width: 52%; }
  .itr-sc { height: 200px; }
  .itr-paper { padding: 16px 12px; font-size: 17px; }
}