/* ATPLinder — dating-app styling: brand gradient, stacked cards, rotated swipe
   stamps, round action rail. Light theme only, on purpose. */

:root{
  --grad: linear-gradient(135deg, #FF7854 0%, #FD267A 100%);
  --pink: #FD267A;
  --orange: #FF7854;
  --nope: #FD5068;
  --like: #21D07A;
  --superlike: #1EC7FF;
  --gold: #FFC12E;
  --shuffle: #7C8AA5;
  --boost: #9E5CF2;
  --shell: #ffffff;
  --page: #ECEDEE;
  --text: #424242;
  --head: #111418;
  --muted: #8E8E8E;
  --hair: #E6E6E6;
  --sheet: #ffffff;
  --font: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:var(--font);
  -webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
  display:flex;
  justify-content:center;
}
.defs{position:absolute}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.app{
  width:100%;
  max-width:420px;
  background:var(--shell);
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:0 14px 14px;
  min-height:100%;
}
@media (min-width:460px) and (min-height:740px){
  body{align-items:center;padding:22px 0}
  .app{
    min-height:0;
    height:min(94vh,800px);
    border-radius:12px;
    box-shadow:0 2px 6px rgba(0,0,0,.08),0 18px 48px -18px rgba(0,0,0,.35);
    overflow:hidden;
  }
}

/* ---------------- top bar ---------------- */
.topbar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:9px 10px;
  padding:13px 2px 9px;
  border-bottom:1px solid var(--hair);
  flex:0 0 auto;
}
.logo{display:flex;align-items:center;gap:6px;flex:0 0 auto}
.flame{width:24px;height:24px;display:block}
.wordmark{
  font-size:22px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--head);
}
.wordmark .ind{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
/* subject + topic get their own full-width row so their counts aren't clipped */
.pickers{display:flex;gap:8px;flex:1 1 100%;min-width:0}
.pick{
  flex:1 1 0;
  min-width:0;
  font-family:var(--font);
  font-size:12px;
  font-weight:600;
  color:var(--text);
  background:#F3F3F3;
  border:1px solid var(--hair);
  border-radius:999px;
  padding:8px 10px;
  text-transform:capitalize;
}
.pick:disabled{opacity:.55}
.pick:focus-visible,button:focus-visible,select:focus-visible{
  outline:2px solid var(--pink);
  outline-offset:2px;
}

/* ---------------- mode bar ---------------- */
.modebar{
  flex:0 0 auto;
  display:flex;
  gap:5px;
  background:#F1F2F4;
  border-radius:999px;
  padding:3px;
}
.seg{
  flex:1;
  font-family:var(--font);
  font-size:12px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--muted);
  background:transparent;
  border:0;
  border-radius:999px;
  padding:8px 6px;
  cursor:pointer;
  transition:background .15s ease,color .15s ease,box-shadow .15s ease;
}
.seg .n{
  display:inline-block;
  min-width:16px;
  margin-left:2px;
  padding:1px 5px;
  border-radius:999px;
  background:rgba(0,0,0,.09);
  font-size:10px;
  font-variant-numeric:tabular-nums;
}
.seg.on{background:#fff;color:var(--head);box-shadow:0 1px 3px rgba(0,0,0,.14)}
.seg.on .n{background:var(--pink);color:#fff}
.seg[data-mode="super"].on .n{background:var(--superlike)}

/* ---------------- card deck ---------------- */
.deck{
  position:relative;
  flex:1 1 auto;
  min-height:340px;
}

.card{
  position:absolute;
  inset:0;
  background:var(--grad);
  border-radius:10px;
  overflow:hidden;
  box-shadow:0 1px 2px rgba(0,0,0,.12),0 12px 28px -10px rgba(0,0,0,.4);
  display:flex;
  flex-direction:column;
  touch-action:pan-y;           /* horizontal gestures handled by JS, not scroll */
  cursor:grab;
  will-change:transform;
  user-select:none;
}
/* every draggable surface forwards horizontal drags to JS — so a swipe that
   starts over the answer box works just like one over the question */
.card *{touch-action:pan-y}
.card.c1{transform:scale(.94) translateY(12px);opacity:.55;pointer-events:none}
.card.c2{transform:scale(.97) translateY(6px);opacity:.8;pointer-events:none}
.card.top{z-index:3}
.card.c2{z-index:2}
.card.c1{z-index:1}
.card.dragging{cursor:grabbing}
.card.snap{transition:transform .3s cubic-bezier(.2,.8,.3,1)}
.card.fly{transition:transform .36s ease-out,opacity .36s ease-out;opacity:0}
.card.pulse{animation:pulse .5s ease}
@keyframes pulse{0%{transform:scale(1)}40%{transform:scale(1.03)}100%{transform:scale(1)}}

.strip{
  position:absolute;
  top:7px;left:8px;right:8px;height:3px;
  border-radius:2px;
  background:rgba(255,255,255,.34);
  overflow:hidden;z-index:2;
}
.strip i{display:block;height:100%;background:#fff;border-radius:2px;transition:width .3s ease}

.savedflag{
  position:absolute;
  top:16px;right:14px;z-index:3;
  width:30px;height:30px;border-radius:50%;
  display:none;place-items:center;
  background:var(--gold);
  box-shadow:0 2px 6px rgba(0,0,0,.25);
}
.savedflag svg{width:17px;height:17px;fill:#fff}
.card.saved .savedflag{display:grid}

.photo{
  position:relative;
  flex:1 1 auto;
  min-height:110px;
  overflow:auto;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:12px;
  padding:26px 20px;
  color:#fff;
  background-image:linear-gradient(to top,rgba(0,0,0,.26),rgba(0,0,0,0) 55%);
  scrollbar-width:none;
}
.photo::-webkit-scrollbar{display:none}
.chip{
  align-self:flex-start;
  font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:#fff;background:rgba(255,255,255,.22);
  border:1px solid rgba(255,255,255,.4);
  border-radius:999px;padding:4px 10px;backdrop-filter:blur(2px);
}
.question{
  margin:0;
  font-size:clamp(19px,5.1vw,25px);
  font-weight:700;line-height:1.2;letter-spacing:-.015em;
  text-wrap:balance;text-shadow:0 1px 3px rgba(0,0,0,.22);
}
.card.wordy .question{font-size:clamp(17px,4.4vw,21px)}

.sheet{
  flex:0 0 auto;
  background:var(--sheet);
  padding:12px;
  display:flex;flex-direction:column;gap:8px;
}
.answer{
  display:grid;
  grid-template-columns:26px 1fr;
  align-items:center;gap:10px;width:100%;text-align:left;
  font-family:var(--font);font-size:14px;font-weight:500;line-height:1.32;
  color:var(--head);background:#F7F7F7;
  border:2px solid #EDEDED;border-radius:8px;padding:11px 12px;cursor:pointer;
  transition:border-color .15s ease,background .15s ease,color .15s ease;
}
.answer .key{
  display:grid;place-items:center;width:26px;height:26px;border-radius:50%;
  font-size:12px;font-weight:800;color:#fff;background:var(--muted);
}
.answer.a .key{background:var(--nope)}
.answer.b .key{background:var(--like)}
.card.lean-a .answer.a{border-color:var(--nope);background:#FFF1F3}
.card.lean-b .answer.b{border-color:var(--like);background:#EFFBF5}

/* ---------------- swipe stamps ---------------- */
.stamp{
  position:absolute;top:26px;z-index:4;
  font-size:34px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;
  padding:4px 12px;border:4px solid currentColor;border-radius:8px;
  opacity:0;pointer-events:none;background:rgba(255,255,255,.94);
  box-shadow:0 2px 10px rgba(0,0,0,.18);
}
.stamp.sa{right:18px;color:var(--nope);transform:rotate(18deg)}
.stamp.sb{left:18px;color:var(--like);transform:rotate(-18deg)}

/* ---------------- verdict panel ---------------- */
.vpanel{
  position:absolute;inset:0;z-index:7;border-radius:10px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;padding:24px 20px;text-align:center;color:#fff;cursor:pointer;
  opacity:0;transform:scale(.985);
  transition:opacity .16s ease,transform .16s ease;
  box-shadow:0 1px 2px rgba(0,0,0,.12),0 12px 28px -10px rgba(0,0,0,.4);
}
.vpanel[hidden]{display:none}
.vpanel.on{opacity:1;transform:none}
.vpanel.good{background:var(--grad)}
.vpanel.bad{background:linear-gradient(160deg,#2F3038 0%,#17181D 100%)}
.vpanel.good .vq,.vpanel.good .vrows,.vpanel.good .vcount,.vpanel.good .vacts{display:none}
.vlabel{margin:0;font-size:10px;font-weight:700;letter-spacing:.17em;text-transform:uppercase;opacity:.7}
.vword{margin:0;font-size:clamp(32px,9vw,44px);font-weight:800;letter-spacing:-.02em;line-height:1}
.vq{margin:4px 0 0;font-size:14px;font-weight:600;line-height:1.35;opacity:.82;max-width:320px}
.vrows{display:flex;flex-direction:column;gap:7px;width:100%;max-width:330px;margin-top:2px}
.vrow{
  margin:0;display:flex;flex-direction:column;gap:2px;text-align:left;
  padding:9px 12px;border-radius:8px;border-left:3px solid;background:rgba(255,255,255,.07);
}
.vrow.bad{border-left-color:var(--nope)}
.vrow.good{border-left-color:var(--like);background:rgba(33,208,122,.14)}
.vkey{font-size:9px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;opacity:.6}
.vtext{font-size:13.5px;font-weight:600;line-height:1.33}
.vrow.bad .vtext{text-decoration:line-through;opacity:.62}
.vcount{width:100%;max-width:330px;height:4px;border-radius:3px;background:rgba(255,255,255,.18);overflow:hidden;margin-top:6px}
.vcount i{display:block;height:100%;width:100%;background:#fff;border-radius:3px}
.vacts{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:4px}
.vacts .pill{font-size:12.5px;padding:9px 15px}
.pill.ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.pill.solid{background:#fff;border-color:#fff;color:var(--head)}

/* ---------------- empty state ---------------- */
.empty{
  position:absolute;inset:0;z-index:6;
  background:var(--shell);border:1px solid var(--hair);border-radius:10px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;padding:24px;text-align:center;
}
.empty[hidden]{display:none}
.empty-icon{font-size:46px;line-height:1}
.empty-head{margin:4px 0 0;font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--head)}
.empty-sub{margin:0;font-size:14px;color:var(--muted);max-width:260px;line-height:1.4}

/* ---------------- action rail ---------------- */
.actions{
  flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;gap:11px;padding:4px 0 2px;
}
.act{
  display:grid;place-items:center;width:47px;height:47px;padding:0;border-radius:50%;
  background:#fff;border:1px solid rgba(0,0,0,.08);
  box-shadow:0 1px 4px rgba(0,0,0,.12),0 4px 12px -4px rgba(0,0,0,.2);
  cursor:pointer;transition:transform .12s ease,box-shadow .12s ease;
}
.act.big{width:62px;height:62px}
.act svg{width:24px;height:24px;display:block}
.act.big svg{width:31px;height:31px}
.act.shuffle svg{fill:var(--shuffle)}
.act.nope svg{fill:var(--nope)}
.act.star svg{fill:var(--superlike)}
.act.like svg{fill:var(--like)}
.act.boost svg{fill:var(--boost)}
.act:hover{transform:scale(1.07)}
.act:active{transform:scale(.95)}
.act:disabled{opacity:.4;cursor:default;transform:none}
.act.shuffle[aria-pressed="true"]{background:var(--shuffle);box-shadow:0 0 0 3px rgba(124,138,165,.25)}
.act.shuffle[aria-pressed="true"] svg{fill:#fff}
.act.star[aria-pressed="true"]{background:var(--gold);box-shadow:0 0 0 3px rgba(255,193,46,.3)}
.act.star[aria-pressed="true"] svg{fill:#fff}

/* ---------------- tally ---------------- */
.tally{
  flex:0 0 auto;display:flex;justify-content:center;gap:12px;
  font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.01em;
}
.tally b{font-weight:700;font-variant-numeric:tabular-nums}
.tally .r b{color:var(--like)}
.tally .w b{color:var(--nope)}
.tally .t b{color:var(--pink)}

/* ---------------- finish ---------------- */
.finish{
  position:absolute;inset:0;z-index:6;
  background:var(--shell);border-radius:10px;border:1px solid var(--hair);
  padding:22px 18px;overflow:auto;display:flex;flex-direction:column;
}
.finish[hidden]{display:none}
.finish.lean{justify-content:center}
.finish.lean .finish-acts{margin-top:28px}
.finish-kicker{margin:0;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.finish-score{
  margin:2px 0 0;font-size:66px;font-weight:800;line-height:1;letter-spacing:-.03em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.finish-score small{font-size:.38em;letter-spacing:0}
.finish-line{margin:8px 0 16px;font-size:14px;font-weight:500;color:var(--text)}
.finish-table table{width:100%;border-collapse:collapse}
.finish-table th,.finish-table td{
  padding:6px 0;border-bottom:1px solid var(--hair);
  font-size:12px;font-weight:600;text-align:right;font-variant-numeric:tabular-nums;
}
.finish-table th:first-child,.finish-table td:first-child{text-align:left;text-transform:capitalize}
.finish-table thead th{color:var(--muted);font-size:10px;letter-spacing:.1em;text-transform:uppercase}
.finish-table td.w{color:var(--nope)}
.finish-acts{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:18px}
.pill{
  font-family:var(--font);font-size:13px;font-weight:700;letter-spacing:.02em;
  color:var(--text);background:#fff;border:1.5px solid var(--hair);border-radius:999px;
  padding:11px 18px;cursor:pointer;
}
.pill.primary{background:var(--grad);border-color:transparent;color:#fff}
.pill:hover{filter:brightness(.97)}

@media (max-width:420px){
  .wordmark{font-size:20px}
  .question{font-size:19px}
}
@media (prefers-reduced-motion:reduce){
  .card,.card.snap,.card.fly,.card.pulse,.strip i,.answer,.act,.vpanel{transition:none!important;animation:none!important}
}