/* Тести ПДР 2026 — Telegram MiniApp (light theme) */
:root{
  --bg:#f4f6fb; --card:#ffffff; --ink:#0f1b33; --muted:#6b7890;
  --line:#e6eaf2; --accent:#3b6cf6; --accent2:#5a83ff;
  --ok:#1faa6c; --ok-bg:#e9f9f1; --err:#d8434b; --err-bg:#fdecec;
  --warn:#e8a53b; --shadow:0 1px 2px rgba(16,30,54,.06),0 6px 20px rgba(16,30,54,.08);
  --radius:16px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
/* Ensure the HTML `hidden` attribute always wins over component display rules
   (e.g. .modal-overlay{display:flex}). Without this, hidden modals stay visible
   and swallow clicks. */
[hidden]{display:none!important}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink);
  font-size:16px;line-height:1.45;
  padding-bottom:env(safe-area-inset-bottom);
}
#app{max-width:620px;margin:0 auto;min-height:100vh}
.screen{padding:16px 16px 32px}
h1{font-size:24px;margin:0 0 4px;font-weight:800;letter-spacing:-.02em}
h2{font-size:19px;margin:0;font-weight:700}
h3{font-size:15px;margin:18px 0 6px;font-weight:700}
.muted{color:var(--muted);font-size:13px;margin:4px 0}
.center{text-align:center}
.loading{padding:40px 20px;text-align:center;color:var(--muted)}

/* buttons */
.btn-primary{
  width:100%;border:0;border-radius:14px;padding:15px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;font-size:16px;font-weight:700;cursor:pointer;
  box-shadow:0 6px 16px rgba(59,108,246,.3);
}
.btn-primary:disabled{opacity:.45;box-shadow:none}
.btn-ghost{
  width:100%;border:0;border-radius:14px;padding:13px;margin-top:10px;
  background:transparent;color:var(--muted);font-size:15px;font-weight:600;cursor:pointer;
}
.icon-btn{
  border:0;background:#fff;width:40px;height:40px;border-radius:12px;
  font-size:18px;cursor:pointer;box-shadow:var(--shadow);color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
/* Consistent keyboard focus affordance across interactive controls */
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
button:focus:not(:focus-visible){outline:none}

/* onboarding */
.ob-wrap{min-height:90vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:6px}
.ob-logo{font-size:64px;margin-bottom:8px}
.ob-sub{color:var(--muted);font-size:15px;max-width:360px;margin:4px 0 18px}
.cat-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;width:100%;margin-bottom:20px}
.cat{
  border:2px solid var(--line);background:#fff;border-radius:14px;padding:14px 8px;
  cursor:pointer;display:flex;flex-direction:column;gap:3px;align-items:center;transition:.15s;
}
.cat b{font-size:22px;color:var(--ink)}
.cat small{font-size:11px;color:var(--muted);line-height:1.2}
.cat.on{border-color:var(--accent);background:#eef3ff}
.cat.on b{color:var(--accent)}

/* hero */
.hero{margin-bottom:16px}
.hero-row{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.hero-sub,#hero-sub{color:var(--muted);font-size:14px;margin:0}

/* menu cards */
.menu{display:flex;flex-direction:column;gap:10px}
.card{
  display:flex;align-items:center;gap:14px;width:100%;text-align:left;
  border:0;background:var(--card);border-radius:var(--radius);padding:16px;
  cursor:pointer;box-shadow:var(--shadow);
}
.card-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 8px 22px rgba(59,108,246,.32)}
.card-ico{font-size:26px;width:46px;height:46px;display:flex;align-items:center;justify-content:center;background:#eef3ff;border-radius:12px;flex:0 0 auto}
.card-primary .card-ico{background:rgba(255,255,255,.2)}
.card-body{display:flex;flex-direction:column;gap:2px}
.card-body b{font-size:16px;font-weight:700}
.card-body small{font-size:12.5px;color:var(--muted)}
.card-primary .card-body small{color:rgba(255,255,255,.85)}

/* quiz */
.quiz-top{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.quiz-meta{margin-left:auto;display:flex;gap:8px}
.timer{background:#eef3ff;color:var(--accent);font-weight:700;padding:6px 10px;border-radius:10px;font-size:14px}
.timer.warn{background:#fff6e6;color:var(--warn)}
.timer.danger{background:var(--err-bg);color:var(--err)}
.errc{background:var(--err-bg);color:var(--err);font-weight:700;padding:6px 10px;border-radius:10px;font-size:14px}
.q-images{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;justify-content:center}
.q-images img{max-width:100%;max-height:220px;border-radius:12px;border:1px solid var(--line)}
.question-text{font-size:17px;font-weight:600;line-height:1.4;margin:0 0 16px}
.options{display:flex;flex-direction:column;gap:9px}
.option{
  display:flex;align-items:center;gap:12px;text-align:left;width:100%;
  border:1.5px solid var(--line);background:#fff;border-radius:13px;padding:13px;
  cursor:pointer;font-size:15px;color:var(--ink);transition:.12s;
}
.option .num{flex:0 0 26px;height:26px;border-radius:8px;background:#eef3ff;color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}
.option .txt{flex:1}
.option:disabled{cursor:default}
.option.chosen{border-color:var(--accent);background:#eef3ff}
.option.correct{border-color:var(--ok);background:var(--ok-bg)}
.option.correct .num{background:var(--ok);color:#fff}
.option.wrong{border-color:var(--err);background:var(--err-bg)}
.option.wrong .num{background:var(--err);color:#fff}
.feedback{margin-top:14px;padding:13px;border-radius:12px;font-size:14px;line-height:1.5}
.feedback.ok{background:var(--ok-bg);color:#146c47}
.feedback.bad{background:var(--err-bg);color:#9b2c30}
.feedback.neutral{background:#eef3ff;color:var(--accent)}

/* quiz header (section + counter) */
.quiz-header{display:flex;align-items:flex-start;gap:10px;margin-bottom:10px}
.quiz-section{flex:1;font-size:12.5px;font-weight:600;color:var(--muted);line-height:1.3;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.quiz-counter{flex:0 0 auto;background:#eef3ff;color:var(--accent);font-weight:700;
  font-size:12.5px;padding:4px 10px;border-radius:20px;white-space:nowrap}

/* progress squares strip */
.quiz-progressbar{display:flex;gap:6px;overflow-x:auto;overflow-y:hidden;white-space:nowrap;
  padding:2px 0 8px;margin-bottom:12px;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
.psq{flex:0 0 auto;width:30px;height:30px;border-radius:9px;border:1.5px solid var(--line);
  background:#fff;color:var(--muted);font-size:12.5px;font-weight:700;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;transition:.12s;padding:0}
.psq.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.psq.err{background:var(--err);border-color:var(--err);color:#fff}
.psq.ans{background:var(--accent);border-color:var(--accent);color:#fff}
.psq.cur{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.psq:disabled{cursor:default}

/* prev / next navigation row */
.quiz-nav{display:flex;gap:10px;margin:18px 0 4px}
.quiz-nav .btn-prev{flex:0 0 auto;width:auto;margin-top:0;padding:13px 18px;background:#eef3ff;color:var(--accent);font-weight:700}
.quiz-nav .btn-next{flex:1;margin-top:0}

/* result */
.result-wrap{text-align:center;padding-top:30px}
.result-emoji{font-size:64px;margin-bottom:10px}
.result-stats{display:flex;gap:10px;margin:20px 0}
.rstat{flex:1;background:#fff;border-radius:12px;padding:14px;box-shadow:var(--shadow)}
.rstat b{display:block;font-size:22px;color:var(--accent)}
.rstat span{font-size:12px;color:var(--muted)}

/* sub screens */
.sub-top{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.topic-list{display:flex;flex-direction:column;gap:8px}
.topic{display:flex;align-items:center;gap:12px;width:100%;text-align:left;border:0;background:#fff;border-radius:12px;padding:13px;cursor:pointer;box-shadow:var(--shadow)}
.topic .tnum{flex:0 0 30px;height:30px;border-radius:8px;background:#eef3ff;color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}
.topic .ttxt{flex:1;font-size:14px;font-weight:600;line-height:1.3}
.topic .tcount{font-size:12px;color:var(--muted)}
.topic.off{opacity:.4}

/* rating */
.tabs{display:flex;gap:8px;margin-bottom:14px}
.tab{flex:1;border:0;background:#fff;border-radius:10px;padding:10px;font-weight:600;font-size:14px;color:var(--muted);cursor:pointer;box-shadow:var(--shadow)}
.tab.on{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff}
.rating-me{background:#eef3ff;color:var(--accent);padding:12px;border-radius:12px;text-align:center;font-size:14px;margin-bottom:12px}
.rating-list{display:flex;flex-direction:column;gap:7px}
.rrow{display:flex;align-items:center;gap:10px;background:#fff;border-radius:11px;padding:11px 13px;box-shadow:var(--shadow)}
.rrow.me{border:2px solid var(--accent)}
.rrank{flex:0 0 32px;font-weight:700;font-size:15px}
.rname{flex:1;font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rcat{font-size:11px;color:var(--muted);background:#eef3ff;padding:3px 7px;border-radius:7px}
.rpts{font-weight:700;color:var(--accent);font-size:15px}

/* settings */
.set-h{margin-top:16px}

/* toast */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:11px 18px;border-radius:12px;font-size:14px;z-index:50;box-shadow:0 8px 24px rgba(0,0,0,.25)}

/* donate banner */
.donate-banner{
  position:relative;display:flex;align-items:center;gap:14px;width:100%;
  text-decoration:none;color:#fff;margin:14px 0;overflow:hidden;cursor:pointer;
  border-radius:var(--radius);padding:16px 18px;
  background:linear-gradient(135deg,#3b6cf6,#5a83ff 55%,#7a5cff);
  background-size:200% 200%;
  box-shadow:0 10px 26px rgba(59,108,246,.35);
  animation:donate-pulse 3.4s ease-in-out infinite,donate-bg 7s ease infinite;
}
.donate-emoji{font-size:30px;flex:0 0 auto;display:inline-block;transform-origin:50% 85%;animation:donate-wiggle 2.2s ease-in-out infinite}
.donate-text{display:flex;flex-direction:column;gap:2px;z-index:1}
.donate-text b{font-size:16px;font-weight:800;letter-spacing:-.01em}
.donate-text small{font-size:12.5px;color:rgba(255,255,255,.9)}
.donate-shine{position:absolute;top:0;left:-60%;width:40%;height:100%;z-index:0;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);
  transform:skewX(-18deg);animation:donate-shine 4.5s ease-in-out infinite}
.donate-banner:active{transform:scale(.98)}
@keyframes donate-wiggle{0%,100%{transform:rotate(-8deg)}25%{transform:rotate(8deg) translateY(-2px)}50%{transform:rotate(-4deg)}75%{transform:rotate(6deg) translateY(-1px)}}
@keyframes donate-pulse{0%,100%{box-shadow:0 10px 26px rgba(59,108,246,.32)}50%{box-shadow:0 14px 34px rgba(59,108,246,.5)}}
@keyframes donate-bg{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
@keyframes donate-shine{0%{left:-60%}55%,100%{left:130%}}
@media(prefers-reduced-motion:reduce){
  .donate-banner,.donate-emoji,.donate-shine{animation:none}
}

/* home progress panel */
.progress-panel{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0 0}
.pstat{background:#fff;border-radius:12px;padding:13px;box-shadow:var(--shadow);text-align:center}
.pstat b{display:block;font-size:20px;color:var(--accent);line-height:1.2}
.pstat span{font-size:11.5px;color:var(--muted)}
.pstat.pct b.low{color:var(--ok)}
.pstat.pct b.mid{color:var(--warn)}
.pstat.pct b.high{color:var(--err)}

/* comments */
.comments{margin-top:20px;border-top:1px solid var(--line);padding-top:16px}
.comments-head{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.comments-title{font-size:15px;font-weight:700}
.comments-count{background:#eef3ff;color:var(--accent);font-size:12px;font-weight:700;padding:2px 9px;border-radius:20px}
.comments-list{display:flex;flex-direction:column;gap:9px;margin-bottom:12px}
.comment{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.comment-top{display:flex;align-items:baseline;gap:8px;margin-bottom:3px}
.comment-author{font-size:13px;font-weight:700;color:var(--ink)}
.comment-time{font-size:11px;color:var(--muted)}
.comment-text{font-size:14px;line-height:1.4;color:var(--ink);word-break:break-word}
.comments-empty{font-size:13px;color:var(--muted);text-align:center;padding:6px 0}
.comments-form{display:flex;gap:8px}
.comment-input{flex:1;border:1.5px solid var(--line);background:#fff;border-radius:12px;padding:11px 13px;font-size:14px;color:var(--ink);outline:none}
.comment-input:focus{border-color:var(--accent)}
.comment-send{border:0;border-radius:12px;padding:0 16px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-size:14px;font-weight:700;cursor:pointer;white-space:nowrap}
.comment-send:disabled{opacity:.5;cursor:default}

/* comment sort toggle */
.comments-sort{margin-left:auto;display:flex;gap:6px}
.sort-btn{border:1px solid var(--line);background:#fff;color:var(--muted);font-size:12px;font-weight:600;padding:7px 12px;border-radius:9px;cursor:pointer;min-height:32px}
.sort-btn.on{background:#eef3ff;color:var(--accent);border-color:var(--accent)}

/* show more */
.comments-more{width:100%;border:1px dashed var(--line);background:#fff;color:var(--accent);font-size:13px;font-weight:700;padding:10px;border-radius:12px;cursor:pointer;margin-bottom:12px}
.comments-more:active{transform:scale(.99)}

/* question votes */
.question-votes{display:flex;justify-content:center;margin:14px 0 2px}

/* vote buttons (question + comments) */
.vote-row{display:flex;gap:8px;align-items:center}
.vote{display:inline-flex;align-items:center;justify-content:center;gap:5px;border:1.5px solid var(--line);background:#fff;color:var(--muted);font-size:13px;font-weight:700;padding:8px 13px;border-radius:10px;cursor:pointer;min-height:36px}
.vote .vc{font-size:12px}
.vote.up.on{border-color:var(--ok);background:var(--ok-bg);color:#146c47}
.vote.down.on{border-color:var(--err);background:var(--err-bg);color:#9b2c30}

/* comment actions + replies */
.comment-actions{display:flex;align-items:center;gap:10px;margin-top:8px}
.comment-reply-btn{border:0;background:transparent;color:var(--accent);font-size:12.5px;font-weight:700;cursor:pointer;padding:4px 2px}
.comment-replies{display:flex;flex-direction:column;gap:8px;margin-top:9px}
.comment.reply{margin-left:16px;border-left:2px solid var(--line);background:#fafbfe}
.reply-box{display:flex;gap:8px;margin:9px 0 2px}
.reply-input{flex:1}

/* exit modal (topic save/discard/cancel) */
.modal-overlay{position:fixed;inset:0;z-index:60;display:flex;align-items:flex-end;justify-content:center;
  background:rgba(16,30,54,.42);padding:16px;animation:modal-fade .16s ease;overflow-y:auto}
.modal-card{width:100%;max-width:420px;background:var(--card);border-radius:var(--radius);
  padding:20px 18px calc(18px + env(safe-area-inset-bottom));
  box-shadow:0 -8px 34px rgba(16,30,54,.22);animation:modal-up .2s ease;margin-top:auto}
.modal-title{margin:0 0 6px;font-size:17px;font-weight:800;color:var(--ink)}
.modal-text{margin:0 0 16px;font-size:14px;line-height:1.45;color:var(--muted)}
.modal-actions{display:flex;flex-direction:column;gap:9px}
/* Inside modal action stacks the gap handles spacing, so neutralize the
   .btn-ghost default top margin to keep buttons evenly spaced. */
.modal-actions .btn-ghost{margin-top:0}
.btn-danger{border:0;border-radius:12px;padding:13px;font-size:15px;font-weight:700;cursor:pointer;
  background:var(--err-bg);color:var(--err)}
.btn-danger:active{transform:scale(.98)}
/* subscription gate */
.sub-gate{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;
  background:var(--bg,#f4f6fb);padding:20px;overflow-y:auto}
.sub-gate-card{width:100%;max-width:420px;background:var(--card);border-radius:var(--radius);
  padding:24px 20px;box-shadow:0 8px 30px rgba(16,30,54,.14);text-align:center}
.sub-gate-icon{font-size:44px;line-height:1;margin-bottom:10px}
.sub-gate-status{min-height:1.2em;margin:-6px 0 12px;font-size:13px;color:var(--err,#d33)}
@keyframes modal-fade{from{opacity:0}to{opacity:1}}
@keyframes modal-up{from{transform:translateY(14px);opacity:.6}to{transform:translateY(0);opacity:1}}
@media(min-width:480px){.modal-overlay{align-items:center}.modal-card{margin-top:0}}
@media(prefers-reduced-motion:reduce){.modal-overlay,.modal-card{animation:none}}

/* donate reminder modal */
.donate-modal-card{position:relative;text-align:center}
.donate-modal-close{position:absolute;top:10px;right:10px;border:0;background:#eef3ff;color:var(--ink);
  width:32px;height:32px;border-radius:10px;font-size:15px;cursor:pointer;line-height:1}
.donate-modal-text{margin:6px 24px 16px;font-size:15.5px;font-weight:700;line-height:1.4;color:var(--ink)}
.donate-modal-card .donate-banner{margin:0}
@media(prefers-reduced-motion:reduce){
  .donate-modal-card .donate-banner,.donate-modal-card .donate-emoji,.donate-modal-card .donate-shine{animation:none}
}