/* SKULE Fiszki Practice extension - premium UI CSS */
/* Safe replacement for: /assets/fiszki/fiszki.practice.css */

:root{
  --fp-ink:#0f172a;
  --fp-muted:#667085;
  --fp-soft:#f8fafc;
  --fp-card:#ffffff;
  --fp-line:rgba(15,23,42,.10);
  --fp-blue:#2563eb;
  --fp-green:#10b981;
  --fp-green-bg:#ecfdf5;
  --fp-green-line:#a7f3d0;
  --fp-red:#ef4444;
  --fp-red-bg:#fff1f2;
  --fp-red-line:#fecdd3;
  --fp-yellow:#f59e0b;
  --fp-shadow:0 18px 50px rgba(15,23,42,.10);
  --fp-shadow-soft:0 8px 24px rgba(15,23,42,.06);
}

.fp-entry{
  margin-top:14px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
}

.fp-btn{
  border:1px solid var(--fp-line);
  border-radius:16px;
  background:#fff;
  color:var(--fp-ink);
  min-height:42px;
  padding:10px 16px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font:inherit;
  font-weight:900;
  cursor:pointer;
  transition:transform .16s ease,background .16s ease,border-color .16s ease,box-shadow .16s ease,opacity .16s ease;
  box-shadow:0 6px 18px rgba(15,23,42,.045);
  -webkit-tap-highlight-color:transparent;
}

.fp-btn:hover{
  background:#f8fafc;
  transform:translateY(-1px);
  box-shadow:0 12px 26px rgba(15,23,42,.08);
}

.fp-btn:active{transform:translateY(0) scale(.985)}
.fp-btn.primary{background:#111827;border-color:#111827;color:#fff}
.fp-btn.primary:hover{background:#020617}
.fp-btn.green{background:var(--fp-green-bg);border-color:var(--fp-green-line);color:#047857}
.fp-btn.danger{background:var(--fp-red-bg);border-color:var(--fp-red-line);color:#b42318}

.fp-panel{
  width:min(940px,100%);
  margin:18px auto 0;
  border:1px solid var(--fp-line);
  border-radius:28px;
  background:
    radial-gradient(circle at 12% 0%,rgba(37,99,235,.06),transparent 34%),
    linear-gradient(180deg,#fff,#fbfdff);
  box-shadow:var(--fp-shadow);
  padding:18px;
  color:var(--fp-ink);
}

.fp-panel h3{
  margin:0 0 5px;
  font-size:20px;
  line-height:1.18;
  letter-spacing:-.04em;
  font-weight:950;
}

.fp-panel p{
  margin:0 0 14px;
  color:var(--fp-muted);
  font-size:14px;
  line-height:1.45;
}

.fp-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
  margin:14px 0;
}

.fp-field{display:grid;gap:7px}
.fp-field label{
  font-size:12px;
  font-weight:950;
  color:#475467;
  text-transform:uppercase;
  letter-spacing:.035em;
}

.fp-field select,
.fp-field input{
  width:100%;
  border:1px solid var(--fp-line);
  border-radius:16px;
  background:#fff;
  padding:12px 13px;
  font:inherit;
  color:var(--fp-ink);
  outline:none;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.8);
}

.fp-field select:focus,
.fp-field input:focus{
  border-color:rgba(37,99,235,.55);
  box-shadow:0 0 0 4px rgba(37,99,235,.10);
}

.fp-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:12px;
}

.fp-status,
.fp-muted{
  font-size:13px;
  color:var(--fp-muted);
  line-height:1.45;
}

.fp-error,
.fp-success{
  border-radius:18px;
  padding:12px 14px;
  margin-top:12px;
  font-weight:850;
  line-height:1.4;
}

.fp-error{background:var(--fp-red-bg);border:1px solid var(--fp-red-line);color:#991b1b}
.fp-success{background:var(--fp-green-bg);border:1px solid var(--fp-green-line);color:#047857}

/* Exercise card */
.fp-question{
  position:relative;
  border:1px solid rgba(15,23,42,.085);
  border-radius:24px;
  background:rgba(255,255,255,.92);
  padding:14px;
  margin:12px 0;
  box-shadow:var(--fp-shadow-soft);
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease,background .18s ease;
}

.fp-question:hover{
  border-color:rgba(37,99,235,.18);
  box-shadow:0 14px 36px rgba(15,23,42,.08);
}

.fp-qtop{
  display:grid;
  grid-template-columns:38px 1fr;
  gap:12px;
  align-items:start;
  margin-bottom:10px;
}

.fp-qnum{
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  border-radius:999px;
  background:#eef2f7;
  color:#475467;
  font-weight:950;
  font-size:13px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.7);
}

.fp-question strong{
  display:block;
  font-size:16px;
  line-height:1.35;
  letter-spacing:-.015em;
  font-weight:950;
  color:#111827;
}

/* Options */
.fp-options{
  display:grid;
  gap:10px;
  margin-top:12px;
}

.fp-option{
  position:relative;
  display:grid;
  grid-template-columns:1fr;
  align-items:center;
  min-height:58px;
  border:1px solid rgba(15,23,42,.10);
  border-radius:18px;
  background:linear-gradient(180deg,#fff,#f8fafc);
  padding:14px 48px 14px 16px;
  cursor:pointer;
  font-weight:850;
  line-height:1.35;
  color:#1f2937;
  box-shadow:0 8px 22px rgba(15,23,42,.045);
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease,background .16s ease,opacity .16s ease,color .16s ease;
  -webkit-tap-highlight-color:transparent;
}

/* Hide ugly checkbox/radio but keep accessibility */
.fp-option input{
  position:absolute;
  opacity:0;
  pointer-events:none;
  width:1px;
  height:1px;
}

/* Custom choice circle on the right */
.fp-option::after{
  content:"";
  position:absolute;
  right:16px;
  top:50%;
  width:20px;
  height:20px;
  transform:translateY(-50%);
  border-radius:999px;
  border:2px solid #cbd5e1;
  background:#fff;
  box-shadow:inset 0 0 0 4px #fff;
  transition:border-color .16s ease,background .16s ease,box-shadow .16s ease,transform .16s ease;
}

.fp-option:hover{
  transform:translateY(-1px);
  border-color:rgba(37,99,235,.38);
  background:linear-gradient(180deg,#fff,#eff6ff);
  box-shadow:0 14px 34px rgba(37,99,235,.10);
}

.fp-option:active{transform:scale(.99)}

/* Modern selected state - supports class added by JS OR checked input inside option */
.fp-option.selected,
.fp-option:has(input:checked){
  border-color:rgba(37,99,235,.68);
  background:linear-gradient(135deg,#eff6ff,#ffffff);
  color:#0f172a;
  box-shadow:0 16px 42px rgba(37,99,235,.16),0 0 0 4px rgba(37,99,235,.08);
}

.fp-option.selected::after,
.fp-option:has(input:checked)::after{
  border-color:var(--fp-blue);
  background:var(--fp-blue);
  box-shadow:inset 0 0 0 5px #fff;
}

/* Grey out other cards when one is selected */
.fp-options:has(.fp-option.selected) .fp-option:not(.selected),
.fp-options:has(input:checked) .fp-option:not(:has(input:checked)){
  opacity:.58;
  filter:saturate(.72);
}

/* Correct/wrong states after checking */
.fp-option.correct,
.fp-question.is-checked .fp-option.correct{
  border-color:var(--fp-green-line);
  background:linear-gradient(135deg,#ecfdf5,#ffffff);
  color:#065f46;
  box-shadow:0 16px 40px rgba(16,185,129,.14),0 0 0 4px rgba(16,185,129,.08);
}

.fp-option.correct::after{
  content:"✓";
  display:grid;
  place-items:center;
  border-color:var(--fp-green);
  background:var(--fp-green);
  color:#fff;
  font-size:13px;
  font-weight:950;
  box-shadow:none;
}

.fp-option.wrong,
.fp-question.is-checked .fp-option.wrong,
.fp-option.incorrect{
  border-color:var(--fp-red-line);
  background:linear-gradient(135deg,#fff1f2,#ffffff);
  color:#991b1b;
  box-shadow:0 16px 40px rgba(239,68,68,.13),0 0 0 4px rgba(239,68,68,.07);
  animation:fpShake .34s ease both;
}

.fp-option.wrong::after,
.fp-option.incorrect::after{
  content:"×";
  display:grid;
  place-items:center;
  border-color:var(--fp-red);
  background:var(--fp-red);
  color:#fff;
  font-size:15px;
  font-weight:950;
  box-shadow:none;
}

@keyframes fpShake{
  0%,100%{transform:translateX(0)}
  22%{transform:translateX(-4px)}
  44%{transform:translateX(4px)}
  66%{transform:translateX(-2px)}
  88%{transform:translateX(2px)}
}

/* Text answer */
.fp-text-answer{margin-top:12px}

.fp-text-answer input{
  width:100%;
  border:1px solid rgba(15,23,42,.12);
  border-radius:18px;
  padding:14px 15px;
  font:inherit;
  font-weight:750;
  background:#fff;
  color:var(--fp-ink);
  outline:none;
  transition:border-color .16s ease,box-shadow .16s ease,background .16s ease;
}

.fp-text-answer input:focus{
  border-color:rgba(37,99,235,.52);
  box-shadow:0 0 0 4px rgba(37,99,235,.10);
}

.fp-question.ok{
  border-color:var(--fp-green-line);
  background:linear-gradient(180deg,#ffffff,#f0fdf4);
}

.fp-question.bad{
  border-color:var(--fp-red-line);
  background:linear-gradient(180deg,#ffffff,#fff1f2);
  animation:fpShake .34s ease both;
}

.fp-question.ok .fp-text-answer input{
  border-color:var(--fp-green-line);
  background:var(--fp-green-bg);
}

.fp-question.bad .fp-text-answer input{
  border-color:var(--fp-red-line);
  background:var(--fp-red-bg);
}

/* Result feedback */
.fp-result{
  margin-top:12px;
  border-radius:18px;
  padding:12px 14px;
  font-weight:850;
  line-height:1.45;
}

.fp-result.ok{background:var(--fp-green-bg);border:1px solid var(--fp-green-line);color:#047857}
.fp-result.bad{background:var(--fp-red-bg);border:1px solid var(--fp-red-line);color:#991b1b}

/* Score */
.fp-score{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:14px;
  align-items:center;
  border:1px solid rgba(15,23,42,.10);
  border-radius:24px;
  background:linear-gradient(135deg,#ffffff,#f8fafc);
  padding:16px;
  margin-top:16px;
  box-shadow:var(--fp-shadow-soft);
}

.fp-score-big{
  font-size:38px;
  font-weight:950;
  letter-spacing:-.06em;
  color:#111827;
}

.fp-progress{
  height:12px;
  background:#e5e7eb;
  border-radius:999px;
  overflow:hidden;
}

.fp-progress span{
  display:block;
  height:100%;
  background:linear-gradient(90deg,#111827,#2563eb);
  border-radius:999px;
  transition:width .35s ease;
}

/* Teacher stats */
.fp-teacher-stats{
  display:grid;
  gap:10px;
  margin-top:12px;
}

.fp-stat{
  border:1px solid rgba(15,23,42,.10);
  border-radius:18px;
  background:#fff;
  padding:12px;
  box-shadow:0 8px 22px rgba(15,23,42,.045);
}

.fp-stat small{
  display:block;
  color:var(--fp-muted);
  margin-top:4px;
  line-height:1.4;
}

.fp-hidden{display:none!important}

@media(max-width:760px){
  .fp-panel{
    width:100%;
    border-radius:22px;
    padding:14px;
    margin-top:14px;
  }

  .fp-grid{grid-template-columns:1fr}

  .fp-actions .fp-btn,
  .fp-entry .fp-btn{
    flex:1;
    min-width:130px;
  }

  .fp-score{grid-template-columns:1fr}

  .fp-qtop{
    grid-template-columns:34px 1fr;
    gap:10px;
  }

  .fp-question{
    border-radius:20px;
    padding:12px;
  }

  .fp-option{
    min-height:56px;
    padding:13px 44px 13px 14px;
    border-radius:16px;
  }
}