/* question.css ─ study-mode question UI: qbar, card, options, answer panel.
   The exam-mode (mock test) overrides live in exam.css and load after this file. */

/* ── Question card ── */
.qview {
  max-width: 780px;
  margin: 0 auto;
}
.qbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 14px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--rule);
  flex-wrap: wrap;
  gap: 12px;
}
.qbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}
.qbar .progress-bar {
  flex: 1;
  min-width: 100px;
  height: 12px;
  background: var(--bg2);
  border-radius: 6px;
  overflow: hidden;
}
.qbar .progress-bar .fill {
  height: 100%;
  background: var(--correct);
  border-radius: 6px;
  -webkit-transition: width 0.35s ease;
  transition: width 0.35s ease;
}
.qbar-right {
  display: flex;
  gap: 10px;
  align-items: center;
}
.timer {
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.timer.warn {
  color: var(--accent);
}
.timer.crit {
  color: var(--wrong);
  font-weight: 700;
}
.qbar .quit {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  font-size: 20px;
  padding: 4px 10px;
  line-height: 1;
  -webkit-tap-highlight-color: transparent;
}
.qbar .quit:hover {
  color: var(--ink);
}
.qcard {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  box-shadow: var(--shadow);
}
@media (min-width: 601px) {
  .qcard {
    padding: 32px 36px;
  }
}
.qmeta {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-bottom: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.qmeta .competence-tag {
  font-family: var(--mono);
  letter-spacing: 0.05em;
  color: var(--gold);
  text-transform: none;
  font-size: 12px;
}
.qmeta .flag-btn {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-family: var(--sans);
  -webkit-tap-highlight-color: transparent;
}
.qmeta .flag-btn:hover,
.qmeta .flag-btn.flagged {
  color: var(--accent);
}
.qstem {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.5;
  margin: 0 0 22px;
  font-weight: 400;
}
@media (min-width: 601px) {
  .qstem {
    font-size: 22px;
    line-height: 1.45;
    margin-bottom: 26px;
  }
}

/* ── Answer options ── */
.opts {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.opt {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 16px 16px;
  border: 2px solid var(--rule);
  border-radius: var(--radius);
  background: var(--paper);
  cursor: pointer;
  -webkit-transition:
    border-color 0.12s,
    background 0.12s,
    transform 0.1s;
  transition:
    border-color 0.12s,
    background 0.12s,
    transform 0.1s;
  font-size: 15px;
  line-height: 1.45;
  font-weight: 500;
  -webkit-tap-highlight-color: transparent;
}
@media (min-width: 601px) {
  .opt {
    padding: 14px 16px;
  }
}
.opt:hover:not(.locked) {
  border-color: var(--primary);
  background: var(--bg);
  transform: translateY(-2px);
}
.opt:active:not(.locked) {
  transform: scale(0.99);
}
.opt.locked {
  cursor: default;
}
.opt .key {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  width: 28px;
  height: 28px;
  border: 2px solid var(--ink2);
  border-radius: 6px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.opt.selected .key {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.opt.correct {
  border-color: var(--correct);
  background: var(--correct-bg);
}
.opt.correct .key {
  background: var(--correct);
  color: #fff;
  border-color: var(--correct);
}
.opt.wrong {
  border-color: var(--wrong);
  background: var(--wrong-bg);
  -webkit-animation: shake 0.4s ease;
  animation: shake 0.4s ease;
}
.opt.wrong .key {
  background: var(--wrong);
  color: #fff;
  border-color: var(--wrong);
}
.opt .body {
  flex: 1;
}
.opt .marker {
  margin-left: auto;
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  font-weight: 700;
  align-self: center;
}
@-webkit-keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  20% {
    transform: translateX(-5px);
  }
  40% {
    transform: translateX(5px);
  }
  60% {
    transform: translateX(-3px);
  }
  80% {
    transform: translateX(3px);
  }
}
@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  20% {
    transform: translateX(-5px);
  }
  40% {
    transform: translateX(5px);
  }
  60% {
    transform: translateX(-3px);
  }
  80% {
    transform: translateX(3px);
  }
}

/* ── Answer panel (bottom slide-up on mobile) ── */
.answer-panel {
  display: none;
}
.answer-panel.visible {
  display: flex;
  flex-direction: column;
  gap: 16px;
  -webkit-animation: slideUp 0.28s ease;
  animation: slideUp 0.28s ease;
}
/* Mobile: fixed to bottom, slides up */
@media (max-width: 600px) {
  .answer-panel.visible {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 20;
    padding: 20px 16px;
    padding-bottom: calc(20px + env(safe-area-inset-bottom, 0px));
    border-radius: 20px 20px 0 0;
    border-top: 3px solid var(--rule);
    background: var(--paper);
    box-shadow: 0 -4px 32px rgba(26, 22, 18, 0.16);
  }
  .answer-panel.correct.visible {
    background: var(--correct-bg);
    border-color: var(--correct);
  }
  .answer-panel.wrong.visible {
    background: var(--wrong-bg);
    border-color: var(--wrong);
  }
  /* push card content up so it's not hidden under panel */
  .qview.answered .qcard {
    padding-bottom: 200px;
  }
}
/* Desktop: inline block below the card */
@media (min-width: 601px) {
  .answer-panel.visible {
    border-left: 3px solid var(--gold);
    background: var(--bg2);
    padding: 18px 22px;
    margin-top: 18px;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }
  .answer-panel.correct.visible {
    border-left-color: var(--correct);
    background: var(--correct-bg);
  }
  .answer-panel.wrong.visible {
    border-left-color: var(--wrong);
    background: var(--wrong-bg);
  }
}
.panel-head {
  font-family: var(--serif);
  font-style: italic;
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 5px;
}
.answer-panel.correct .panel-head {
  color: var(--correct);
}
.answer-panel.wrong .panel-head {
  color: var(--wrong);
}
@media (min-width: 601px) {
  .answer-panel .panel-head {
    font-size: 16px;
    color: var(--gold);
  }
  .answer-panel.correct .panel-head {
    color: var(--correct);
  }
  .answer-panel.wrong .panel-head {
    color: var(--wrong);
  }
}
.panel-text {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink2);
}
@-webkit-keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
}
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
}

/* ── Question footer (keyboard hint) ── */
.qfoot {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.qfoot .left {
  color: var(--muted);
  font-size: 12px;
}
@media (max-width: 600px) {
  .qfoot .left {
    display: none;
  }
} /* hide kb hint on mobile */
kbd {
  font-family: var(--mono);
  font-size: 11px;
  padding: 1px 6px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--paper);
  color: var(--ink2);
}

/* ── In-session streak counter (gamification) ── */
.streak-counter {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--flame);
  background: rgba(201, 122, 53, 0.12);
  border-radius: 20px;
  padding: 3px 10px;
  letter-spacing: 0.02em;
  -webkit-animation: streakPop 0.25s ease;
  animation: streakPop 0.25s ease;
}
@-webkit-keyframes streakPop {
  0% { transform: scale(0.8); opacity: 0; }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}
@keyframes streakPop {
  0% { transform: scale(0.8); opacity: 0; }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}