/* ── PLACEMENT TEST ─────────────────────────────────────────────────────── */

.pt-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(10, 10, 20, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: pt-fade-in 0.3s ease;
}

@keyframes pt-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.pt-card {
  background: #111827;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 32px 28px;
  max-width: 440px;
  width: 100%;
  text-align: center;
  animation: pt-slide-up 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes pt-slide-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Welcome ── */
.pt-emoji { font-size: 3rem; margin-bottom: 12px; }

.pt-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #f1f5f9;
  margin: 0 0 12px;
}

.pt-desc {
  color: rgba(241,245,249,0.6);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0 0 24px;
}

/* ── Buttons ── */
.pt-btn {
  display: block;
  width: 100%;
  padding: 13px 20px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: opacity 0.15s, transform 0.1s;
  margin-top: 10px;
}

.pt-btn:active { transform: scale(0.98); }

.pt-btn-primary {
  background: #3b82f6;
  color: #fff;
}

.pt-btn-primary:hover { opacity: 0.9; }

.pt-btn-ghost {
  background: rgba(255,255,255,0.06);
  color: rgba(241,245,249,0.5);
  font-size: 0.82rem;
}

.pt-btn-ghost:hover { background: rgba(255,255,255,0.1); color: rgba(241,245,249,0.7); }

.pt-btn-retry {
  background: rgba(255,255,255,0.06);
  color: rgba(241,245,249,0.45);
  font-size: 0.82rem;
  margin-top: 6px;
}

.pt-btn-retry:hover { background: rgba(255,255,255,0.1); color: rgba(241,245,249,0.65); }

.pt-skip-label {
  font-size: 0.78rem;
  color: rgba(241,245,249,0.35);
  margin-top: 16px;
  margin-bottom: 8px;
}

.pt-skip-row {
  display: flex;
  gap: 8px;
}

.pt-btn-level {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: rgba(241,245,249,0.6);
  font-size: 0.8rem;
  border-radius: 12px;
}

.pt-btn-level:hover { background: rgba(255,255,255,0.08); color: #f1f5f9; }

.pt-skip-badge {
  font-size: 0.85rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 8px;
  border: 1px solid;
  letter-spacing: 0.05em;
}

/* ── Welcome how-row ── */
.pt-how-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0 0 20px;
  flex-wrap: wrap;
}

.pt-how-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-size: 0.72rem;
  color: rgba(241,245,249,0.5);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 10px;
  padding: 7px 10px;
  min-width: 64px;
}

.pt-how-item span:first-child { font-size: 1.1rem; }

.pt-how-plus {
  font-size: 1rem;
  color: rgba(241,245,249,0.2);
  font-weight: 700;
}

/* ── CEFR thermometer ── */
.pt-thermometer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  margin-bottom: 18px;
  flex-wrap: nowrap;
}

.pt-th-lvl {
  font-size: 0.68rem;
  font-weight: 800;
  padding: 3px 7px;
  border-radius: 7px;
  opacity: 0.22;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  transition: all 0.3s;
  white-space: nowrap;
}

.pt-th-active {
  opacity: 1 !important;
  font-size: 0.78rem !important;
  padding: 4px 10px !important;
  animation: pt-th-pulse 1.4s ease-in-out infinite;
}

@keyframes pt-th-pulse {
  0%, 100% { box-shadow: 0 0 0 0 transparent; }
  50%       { box-shadow: 0 0 6px 1px currentColor; }
}

.pt-th-done { opacity: 0.6 !important; }
.pt-th-fail { opacity: 0.35 !important; }

.pt-th-sep {
  width: 8px;
  height: 1px;
  background: rgba(255,255,255,0.12);
  flex-shrink: 0;
}

.pt-th-lvl sup {
  font-size: 0.6em;
  vertical-align: super;
  margin-left: 1px;
}

/* ── Stage tracker dots ── */
.pt-stage-tracker {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 16px;
}

.pt-stage-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.2);
  background: transparent;
}

.pt-sdot-pass  { background: #10b981; border-color: #10b981; }
.pt-sdot-fail  { background: rgba(239,68,68,0.6); border-color: rgba(239,68,68,0.6); }
.pt-sdot-current { animation: pt-pulse 1.2s ease-in-out infinite; }

@keyframes pt-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ── Level transition ── */
.pt-card-transition {
  padding: 48px 28px;
}

.pt-level-pill {
  display: inline-block;
  font-size: 2rem;
  font-weight: 900;
  padding: 12px 32px;
  border-radius: 16px;
  border: 2px solid;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.pt-transition-label {
  color: rgba(241,245,249,0.5);
  font-size: 0.9rem;
  margin: 0;
}

/* ── Progress bar ── */
.pt-progress-bar {
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 99px;
  margin-bottom: 20px;
  overflow: hidden;
}

.pt-progress-fill {
  height: 100%;
  border-radius: 99px;
  transition: width 0.4s ease;
}

/* ── Question meta ── */
.pt-q-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.pt-q-level {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.pt-q-num {
  font-size: 0.78rem;
  color: rgba(241,245,249,0.4);
}

/* ── Speak button & word row ── */
.pt-word-en-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.pt-speak-btn {
  font-size: 1.1rem;
  background: none;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 4px 8px;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.15s, background 0.15s;
  line-height: 1;
}

.pt-speak-btn:hover { opacity: 1; background: rgba(255,255,255,0.07); }

/* ── Skip question button ── */
.pt-skip-q-row {
  margin-top: 12px;
  text-align: center;
}

.pt-skip-q-btn {
  background: none;
  border: none;
  color: rgba(241,245,249,0.28);
  font-size: 0.76rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: color 0.15s;
}

.pt-skip-q-btn:hover:not(:disabled) { color: rgba(241,245,249,0.55); }
.pt-skip-q-btn:disabled { opacity: 0.3; pointer-events: none; }

/* ── Correct sentence options (longer text) ── */
.pt-options-sentence .pt-opt { font-size: 0.82rem; }

/* ── Word block ── */
.pt-word-block {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 18px 20px 14px;
  margin-bottom: 18px;
}

.pt-word-en {
  font-size: 1.6rem;
  font-weight: 800;
  color: #f1f5f9;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}

.pt-word-ipa {
  font-size: 0.82rem;
  color: rgba(241,245,249,0.35);
  margin-bottom: 4px;
  font-family: monospace;
}

.pt-word-cat {
  font-size: 0.75rem;
  color: rgba(241,245,249,0.4);
}

.pt-q-label {
  font-size: 0.85rem;
  color: rgba(241,245,249,0.55);
  margin: 0 0 14px;
}

/* ── Options ── */
.pt-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pt-opt {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  color: #f1f5f9;
  font-size: 0.9rem;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s, border-color 0.15s;
}

.pt-opt:hover:not(:disabled) {
  background: rgba(255,255,255,0.09);
  border-color: rgba(255,255,255,0.2);
}

.pt-opt-letter {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  color: rgba(241,245,249,0.6);
}

.pt-opt-text { flex: 1; }

.pt-opt-correct {
  background: rgba(16,185,129,0.15) !important;
  border-color: rgba(16,185,129,0.5) !important;
  color: #10b981 !important;
}

.pt-opt-correct .pt-opt-letter {
  background: rgba(16,185,129,0.3);
  color: #10b981;
}

.pt-opt-wrong {
  background: rgba(239,68,68,0.15) !important;
  border-color: rgba(239,68,68,0.5) !important;
  color: #ef4444 !important;
}

.pt-opt-wrong .pt-opt-letter {
  background: rgba(239,68,68,0.3);
  color: #ef4444;
}

/* ── Question type badge ── */
.pt-q-type {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

/* ── Live score dots (per-question) ── */
.pt-qdot-row {
  display: flex;
  gap: 4px;
  align-items: center;
}

.pt-qdot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  transition: background 0.3s, transform 0.2s;
}

.pt-qdot-empty { background: rgba(255,255,255,0.12); }
.pt-qdot-ok    { transform: scale(1.15); }
.pt-qdot-fail  { background: rgba(239,68,68,0.55); }

/* ── Grammar fill-in-blank block ── */
.pt-grammar-block {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 20px 22px 16px;
  margin-bottom: 18px;
}

.pt-grammar-q {
  font-size: 1.15rem;
  font-weight: 600;
  color: #f1f5f9;
  line-height: 1.65;
  margin: 0;
}

.pt-blank {
  display: inline-block;
  min-width: 60px;
  border-bottom: 2px solid;
  padding: 0 4px;
  text-align: center;
  font-style: italic;
  opacity: 0.7;
}

/* ── Stage summary card ── */
.pt-card-summary { padding: 36px 28px; }

.pt-sum-level {
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.pt-sum-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 14px;
}

.pt-sum-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  transition: transform 0.2s;
}

.pt-sum-dot-ok   { transform: scale(1.1); }
.pt-sum-dot-fail { background: rgba(239,68,68,0.45); }

.pt-sum-verdict {
  font-size: 1rem;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: 10px;
  display: inline-block;
  margin-bottom: 10px;
}

.pt-verdict-pass { background: rgba(16,185,129,0.15); color: #10b981; }
.pt-verdict-fail { background: rgba(239,68,68,0.12); color: #ef4444; }
.pt-verdict-tie  { background: rgba(245,158,11,0.15); color: #f59e0b; }

.pt-sum-next {
  font-size: 0.8rem;
  color: rgba(241,245,249,0.4);
  margin-top: 4px;
}

/* ── History box in result screen ── */
.pt-history-box {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px;
  padding: 12px 16px;
  margin: 12px 0 8px;
  text-align: left;
}

.pt-history-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(241,245,249,0.3);
  margin-bottom: 10px;
}

.pt-hist-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 7px;
}

.pt-hist-lvl {
  font-size: 0.78rem;
  font-weight: 800;
  width: 26px;
  flex-shrink: 0;
}

.pt-hist-dots {
  display: flex;
  gap: 3px;
  flex: 1;
}

.pt-hist-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.pt-hist-dot-fail { background: rgba(255,255,255,0.12); }

.pt-hist-score {
  font-size: 0.75rem;
  font-weight: 700;
  width: 28px;
  text-align: right;
  flex-shrink: 0;
}

.pt-hist-pass { color: #10b981; }
.pt-hist-fail { color: rgba(239,68,68,0.7); }

/* ── Transition subtitle ── */
.pt-transition-sub {
  font-size: 0.78rem;
  color: rgba(241,245,249,0.4);
  margin-top: 4px;
}

/* ── Example sentence ── */
.pt-example {
  margin-top: 12px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.03);
  border-left: 3px solid rgba(255,255,255,0.15);
  border-radius: 0 8px 8px 0;
  font-size: 0.82rem;
  color: rgba(241,245,249,0.45);
  text-align: left;
  line-height: 1.5;
}

/* ── Result ── */
.pt-card-result { padding: 36px 28px; }

.pt-result-emoji { font-size: 3rem; margin-bottom: 12px; }

.pt-result-badge {
  display: inline-block;
  font-size: 1.3rem;
  font-weight: 800;
  padding: 10px 28px;
  border-radius: 14px;
  border: 2px solid;
  margin: 14px 0;
  letter-spacing: 0.03em;
}

.pt-result-desc {
  color: rgba(241,245,249,0.7);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0 0 8px;
}

.pt-result-note {
  color: rgba(241,245,249,0.35);
  font-size: 0.78rem;
  margin: 0 0 20px;
}

/* ── Mobile ── */
@media (max-width: 480px) {
  .pt-card { padding: 24px 18px; border-radius: 16px; }
  .pt-word-en { font-size: 1.35rem; }
  .pt-title { font-size: 1.2rem; }
}

@media (orientation: landscape) and (max-height: 500px) {
  .pt-overlay { align-items: flex-start; overflow-y: auto; }
  .pt-card { margin: 12px auto; }
  .pt-emoji, .pt-result-emoji { font-size: 2rem; margin-bottom: 6px; }
  .pt-card { padding: 18px 20px; }
}