/* LESSOR Vocabulary Lab */
.lv-hero{padding:40px 0 32px;background:linear-gradient(180deg,#f7f8ff 0%,#fff 100%);border-bottom:1px solid var(--le-line)}
.lv-hero-row{display:flex;align-items:end;justify-content:space-between;gap:28px}
.lv-hero h1{margin:8px 0 0;font-size:clamp(34px,4.2vw,48px);line-height:1.04;letter-spacing:-.045em}
.lv-hero p{max-width:680px;margin:9px 0 0;color:var(--le-muted);font-size:12px;line-height:1.65}
.lv-home-link,.lv-back{color:var(--le-blue);text-decoration:none;font-size:12px;font-weight:850}
.lv-main{padding:46px 0 80px;background:#fff}
.lv-dashboard-head,.lv-workspace-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}
.lv-dashboard-head h2,.lv-workspace-head h2{margin:5px 0 0;font-size:32px;letter-spacing:-.04em}
.lv-dashboard-head p{margin:5px 0 0;color:var(--le-muted);font-size:13px}
.lv-set-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.lv-set-card{padding:22px;border:1px solid var(--le-line);border-radius:22px;background:#fff;box-shadow:0 8px 28px rgba(29,39,75,.05)}
.lv-set-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.lv-set-badge{padding:6px 9px;border-radius:999px;background:var(--le-soft-blue);color:var(--le-blue);font-size:10px;font-weight:900;letter-spacing:.06em}
.lv-complete{color:var(--le-green);font-size:11px;font-weight:850}
.lv-set-card h3{margin:16px 0 0;font-size:20px;line-height:1.25;letter-spacing:-.025em}
.lv-set-desc{min-height:42px;margin:7px 0 0;color:var(--le-muted);font-size:12px}
.lv-progress-row{display:flex;justify-content:space-between;gap:10px;margin-top:22px;color:var(--le-muted);font-size:11px}
.lv-progress-row strong{color:var(--le-ink)}
.lv-bar{height:8px;margin-top:7px;border-radius:99px;background:#eef1f7;overflow:hidden}
.lv-bar span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--le-blue),var(--le-violet))}
.lv-mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-top:18px}
.lv-mini-stats div{padding:11px 8px;border-radius:13px;background:var(--le-soft);text-align:center}
.lv-mini-stats strong{display:block;font-size:15px}
.lv-mini-stats span{display:block;margin-top:2px;color:var(--le-muted);font-size:9px}
.lv-card-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.lv-primary-btn,.lv-secondary-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 14px;border-radius:12px;text-decoration:none;font-size:12px;font-weight:850}
.lv-primary-btn{background:var(--le-ink);color:#fff}
.lv-secondary-btn{border:1px solid var(--le-line);background:#fff;color:var(--le-ink)}
.lv-empty{max-width:620px;margin:30px auto;padding:44px;border:1px solid var(--le-line);border-radius:24px;background:var(--le-soft);text-align:center}
.lv-empty-icon{font-size:38px}.lv-empty h3{margin:10px 0 0}.lv-empty p{color:var(--le-muted);font-size:13px}
.lv-status-line{display:flex;gap:16px;flex-wrap:wrap;margin-top:8px;color:var(--le-muted);font-size:11px}
.lv-status-line strong{color:var(--le-ink)}
.lv-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:24px;padding:7px;border:1px solid var(--le-line);border-radius:16px;background:var(--le-soft)}
.lv-tabs a{padding:9px 12px;border-radius:10px;text-decoration:none;color:#5b6478;font-size:11px;font-weight:850}
.lv-tabs a.active{background:#fff;color:var(--le-blue);box-shadow:0 4px 14px rgba(29,39,75,.06)}
.lv-tabs a.locked{opacity:.38;pointer-events:none}
.lv-stage{max-width:780px;margin:0 auto}
.lv-flashcard,.lv-question-card,.lv-matching-card,.lv-review-card{padding:32px;border:1px solid var(--le-line);border-radius:26px;background:#fff;box-shadow:var(--le-shadow)}
.lv-card-counter{display:flex;justify-content:space-between;color:var(--le-muted);font-size:11px;font-weight:800}
.lv-word{text-align:center;margin-top:24px}
.lv-word h2{margin:0;font-size:44px;line-height:1.05;letter-spacing:-.045em}
.lv-word .ipa{margin-top:6px;color:var(--le-blue);font-size:15px}
.lv-word .pos{display:inline-flex;margin-top:8px;padding:5px 9px;border-radius:999px;background:var(--le-soft);color:var(--le-muted);font-size:10px;font-weight:850}
.lv-meaning{margin-top:24px;padding:18px;border-radius:16px;background:var(--le-soft-blue);text-align:center;font-size:18px;font-weight:800}
.lv-definition{margin-top:18px;color:var(--le-text);text-align:center}
.lv-example{margin-top:20px;padding:18px;border-left:4px solid var(--le-blue);border-radius:0 14px 14px 0;background:#f8f9ff}
.lv-example strong{display:block;margin-bottom:4px;font-size:10px;letter-spacing:.08em;color:var(--le-blue)}
.lv-extra-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:16px}
.lv-extra{padding:14px;border:1px solid var(--le-line);border-radius:14px}
.lv-extra strong{display:block;margin-bottom:5px;font-size:9px;color:var(--le-muted);letter-spacing:.08em;text-transform:uppercase}
.lv-chip{display:inline-flex;margin:3px 4px 0 0;padding:5px 8px;border-radius:999px;background:var(--le-soft);font-size:10px}
.lv-learn-actions,.lv-answer-actions{display:flex;gap:10px;margin-top:24px}
.lv-learn-actions button,.lv-answer-actions button,.lv-option,.lv-match-item,.lv-review-actions button{min-height:46px;border-radius:13px;border:1px solid var(--le-line);background:#fff;color:var(--le-ink);font-weight:850;cursor:pointer}
.lv-learn-actions button{flex:1}
.lv-learn-actions .know,.lv-answer-actions .primary,.lv-review-actions .good{background:var(--le-ink);border-color:var(--le-ink);color:#fff}
.lv-speak{display:inline-flex;align-items:center;justify-content:center;margin:15px auto 0;padding:8px 12px;border:1px solid var(--le-line);border-radius:999px;background:#fff;font-size:11px;font-weight:800;cursor:pointer}
.lv-question-label{color:var(--le-blue);font-size:10px;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
.lv-question-card h3{margin:12px 0 0;font-size:26px;line-height:1.25}
.lv-options{display:grid;gap:10px;margin-top:22px}
.lv-option{padding:14px 16px;text-align:left}
.lv-option:hover{border-color:#cbd3ff}.lv-option.selected{border-color:var(--le-blue);background:var(--le-soft-blue)}
.lv-option.correct{border-color:#bde8cf;background:#f3fff8}.lv-option.wrong{border-color:#ffd2d2;background:#fff7f7}
.lv-feedback{min-height:24px;margin-top:14px;font-size:12px;font-weight:800}
.lv-feedback.ok{color:#21895a}.lv-feedback.bad{color:#c34242}
.lv-complete-panel{padding:38px;border:1px solid var(--le-line);border-radius:24px;background:linear-gradient(135deg,#f6f8ff,#fff);text-align:center}
.lv-complete-panel .icon{font-size:42px}.lv-complete-panel h3{margin:10px 0 0;font-size:28px}.lv-complete-panel p{color:var(--le-muted)}
.lv-match-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:22px}
.lv-match-col{display:grid;gap:9px}
.lv-match-item{padding:12px 14px;text-align:left}
.lv-match-item.active{border-color:var(--le-blue);background:var(--le-soft-blue)}
.lv-match-item.paired{opacity:.55}
.lv-match-pairs{margin-top:18px;padding:15px;border-radius:14px;background:var(--le-soft);font-size:11px}
.lv-sentence{margin-top:18px;padding:20px;border-radius:16px;background:#f8f9ff;font-size:18px;line-height:1.6}
.lv-review-card{text-align:center}.lv-review-card .front{font-size:38px;font-weight:900}.lv-review-answer{display:none;margin-top:20px}.lv-review-card.revealed .lv-review-answer{display:block}
.lv-review-actions{display:flex;gap:10px;margin-top:22px}.lv-review-actions button{flex:1}
.lv-progress-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.lv-progress-card{padding:20px;border:1px solid var(--le-line);border-radius:18px;background:#fff}
.lv-progress-card span{display:block;color:var(--le-muted);font-size:10px}.lv-progress-card strong{display:block;margin-top:6px;font-size:20px}
.lv-path,.lv-difficult-list{margin-top:24px;padding:24px;border:1px solid var(--le-line);border-radius:22px;background:#fff}
.lv-path h3,.lv-difficult-list h3{margin:0 0 16px}
.lv-path-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--le-line)}
.lv-path-row:first-of-type{border-top:0}.lv-path-row>span{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:var(--le-soft);font-size:11px;font-weight:900}
.lv-path-row.done>span{background:#eaf9f0;color:var(--le-green)}.lv-path-row strong,.lv-path-row small{display:block}.lv-path-row small{color:var(--le-muted);font-size:10px}
.lv-section-title-row{display:flex;align-items:center;justify-content:space-between}.lv-section-title-row a{color:var(--le-blue);text-decoration:none;font-size:11px;font-weight:850}
.lv-difficult-row{display:flex;justify-content:space-between;padding:11px 0;border-top:1px solid var(--le-line);font-size:12px}.lv-difficult-row span{color:#c34242;font-weight:800}
@media(max-width:980px){.lv-set-grid{grid-template-columns:repeat(2,1fr)}.lv-progress-cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.lv-hero-row{display:block}.lv-home-link{display:inline-block;margin-top:16px}.lv-set-grid{grid-template-columns:1fr}.lv-flashcard,.lv-question-card,.lv-matching-card,.lv-review-card{padding:22px}.lv-extra-grid{grid-template-columns:1fr}.lv-match-grid{grid-template-columns:1fr}.lv-progress-cards{grid-template-columns:1fr}.lv-word h2{font-size:36px}.lv-learn-actions,.lv-review-actions{flex-direction:column}}


/* ===== V2.4 PUBLIC / FREE / PREMIUM ===== */

.lv-welcome{
  flex:0 0 auto;
  padding:12px 15px;
  border:1px solid var(--le-line);
  border-radius:14px;
  background:#fff;
  text-align:right;
}

.lv-welcome span{
  display:block;
  color:var(--le-muted);
  font-size:9px;
  text-transform:uppercase;
  letter-spacing:.08em;
}

.lv-welcome strong{
  display:block;
  margin-top:2px;
  font-size:13px;
}

.lv-set-card.is-premium{
  background:linear-gradient(180deg,#fff 0%,#fbfaff 100%);
}

.lv-set-card.is-free{
  background:linear-gradient(180deg,#fff 0%,#fbfffc 100%);
}

.lv-access-badge{
  display:inline-flex;
  align-items:center;
  min-height:28px;
  padding:0 10px;
  border-radius:999px;
  font-size:10px;
  font-weight:900;
  letter-spacing:.06em;
}

.lv-access-badge.free{
  background:#eaf9f0;
  color:#238353;
}

.lv-access-badge.premium{
  background:#f0edff;
  color:#664fd9;
}

.lv-audience-note{
  margin-top:14px;
  padding:10px 12px;
  border-radius:12px;
  background:#f4f1ff;
  color:#6352ba;
  font-size:11px;
  font-weight:800;
}

.lv-audience-note.free-note{
  background:#edf9f2;
  color:#267a50;
}

.lv-set-count{
  margin-top:14px;
  color:var(--le-muted);
  font-size:11px;
}

.lv-preview-features{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-top:18px;
}

.lv-preview-features span{
  padding:6px 9px;
  border:1px solid var(--le-line);
  border-radius:999px;
  background:#fff;
  color:#687188;
  font-size:9px;
  font-weight:800;
}

button.lv-primary-btn{
  border:0;
  cursor:pointer;
  font-family:inherit;
}

.lv-title-with-badge{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}

.lv-title-with-badge h2{
  margin-right:4px;
}

/* Modal */
body.lv-modal-open{
  overflow:hidden;
}

.lv-access-modal{
  display:none;
  position:fixed;
  inset:0;
  z-index:99999;
  padding:20px;
  align-items:center;
  justify-content:center;
}

.lv-access-modal.open{
  display:flex;
}

.lv-access-backdrop{
  position:absolute;
  inset:0;
  background:rgba(9,14,28,.64);
  backdrop-filter:blur(7px);
  -webkit-backdrop-filter:blur(7px);
}

.lv-access-dialog{
  position:relative;
  z-index:1;
  width:min(500px,100%);
  max-height:calc(100vh - 40px);
  overflow:auto;
  padding:30px;
  border-radius:26px;
  background:#fff;
  box-shadow:0 28px 90px rgba(0,0,0,.28);
}

.lv-modal-close{
  position:absolute;
  top:15px;
  right:15px;
  width:40px;
  height:40px;
  border:1px solid var(--le-line);
  border-radius:50%;
  background:#fff;
  color:#4d566b;
  font-size:24px;
  line-height:1;
  cursor:pointer;
}

.lv-premium-icon{
  width:52px;
  height:52px;
  display:grid;
  place-items:center;
  border-radius:16px;
  background:var(--le-soft-blue);
  font-size:24px;
}

.lv-modal-badge{
  display:inline-flex;
  margin-top:18px;
  padding:6px 9px;
  border-radius:999px;
  font-size:10px;
  font-weight:900;
  letter-spacing:.08em;
}

.lv-modal-badge.free{
  background:#eaf9f0;
  color:#238353;
}

.lv-modal-badge.premium{
  background:#f0edff;
  color:#664fd9;
}

.lv-access-dialog h2{
  margin:10px 0 0;
  padding-right:40px;
  font-size:28px;
  line-height:1.18;
  letter-spacing:-.035em;
}

.lv-premium-message{
  margin-top:18px;
  padding:17px;
  border:1px solid #e1dcff;
  border-radius:16px;
  background:#f7f5ff;
}

.lv-premium-message strong{
  display:block;
  color:#4f3db4;
  font-size:14px;
  line-height:1.4;
}

.lv-premium-message span{
  display:block;
  margin-top:5px;
  color:#6e7181;
  font-size:12px;
}

.lv-access-error{
  margin-top:14px;
  padding:11px 13px;
  border-radius:12px;
  background:#fff3f3;
  color:#b33c3c;
  font-size:12px;
  font-weight:800;
}

.lv-field{
  display:block;
  margin-top:17px;
}

.lv-field span{
  display:block;
  margin-bottom:6px;
  color:#333d52;
  font-size:11px;
  font-weight:850;
}

.lv-field input{
  width:100%;
  min-height:48px;
  padding:0 14px;
  border:1px solid #dfe3ee;
  border-radius:13px;
  outline:none;
  background:#fff;
  color:#101528;
  font-size:16px;
}

.lv-field input:focus{
  border-color:var(--le-blue);
  box-shadow:0 0 0 3px rgba(91,115,255,.11);
}

.lv-modal-submit{
  width:100%;
  min-height:50px;
  margin-top:20px;
  border:0;
  border-radius:13px;
  background:var(--le-ink);
  color:#fff;
  font-weight:900;
  cursor:pointer;
}

.lv-zalo-button{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  margin-top:10px;
  padding:0 14px;
  border:1px solid #dcd7ff;
  border-radius:13px;
  background:#f6f4ff;
  color:#5944c8;
  text-decoration:none;
  font-size:12px;
  font-weight:900;
}

.lv-access-footnote{
  margin:14px 0 0;
  color:#9399a8;
  text-align:center;
  font-size:10px;
}

@media(max-width:680px){
  .lv-welcome{
    margin-top:16px;
    text-align:left;
  }

  .lv-access-modal{
    padding:12px;
  }

  .lv-access-dialog{
    padding:24px 20px;
    border-radius:22px;
  }

  .lv-access-dialog h2{
    font-size:24px;
  }
}


/* ===== V3.8.0 · Learned vocabulary viewer ===== */
.lv-complete-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:22px}
.lv-complete-actions .lv-primary-btn,.lv-complete-actions .lv-secondary-btn{min-height:46px;padding:0 18px;font-size:13px;cursor:pointer}
.lv-stage-wide{max-width:1080px}
.lv-wordlist-page{width:100%}
.lv-wordlist-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}
.lv-wordlist-kicker{display:block;color:var(--le-blue);font-size:10px;font-weight:900;letter-spacing:.1em}
.lv-wordlist-head h3{margin:5px 0 0;font-size:28px;letter-spacing:-.035em}
.lv-wordlist-head p{max-width:620px;margin:7px 0 0;color:var(--le-muted);font-size:13px;line-height:1.55}
.lv-wordlist-head-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.lv-wordlist-tools{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:16px;padding:14px 16px;border:1px solid var(--le-line);border-radius:16px;background:var(--le-soft)}
.lv-wordlist-tools label{flex:1;max-width:520px}
.lv-wordlist-tools label span{display:block;margin-bottom:6px;color:var(--le-muted);font-size:10px;font-weight:850;text-transform:uppercase;letter-spacing:.06em}
.lv-wordlist-tools input{width:100%;height:44px;padding:0 13px;border:1px solid var(--le-line);border-radius:12px;background:#fff;color:var(--le-ink);font:inherit;font-size:14px;outline:none}
.lv-wordlist-tools input:focus{border-color:var(--le-blue);box-shadow:0 0 0 3px rgba(91,115,255,.10)}
.lv-wordlist-tools>strong{font-size:13px;white-space:nowrap}
.lv-wordlist-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.lv-wordlist-card{padding:18px;border:1px solid var(--le-line);border-radius:18px;background:#fff;box-shadow:0 6px 20px rgba(29,39,75,.035)}
.lv-wordlist-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
.lv-wordlist-word{font-size:23px;font-weight:900;line-height:1.15;letter-spacing:-.025em}
.lv-wordlist-meta{display:flex;align-items:center;gap:8px;margin-top:5px;color:var(--le-blue);font-size:12px}
.lv-wordlist-meta .pos{padding:3px 7px;border-radius:999px;background:var(--le-soft);color:var(--le-muted);font-size:9px;font-weight:900;text-transform:uppercase}
.lv-wordlist-listen{flex:0 0 40px;width:40px;height:40px;border:1px solid var(--le-line);border-radius:12px;background:#fff;cursor:pointer}
.lv-wordlist-meaning{margin-top:12px;padding:10px 12px;border-radius:12px;background:var(--le-soft-blue);font-size:15px;font-weight:800}
.lv-wordlist-definition{margin-top:10px;color:var(--le-text);font-size:12px;line-height:1.55}
.lv-wordlist-example{display:grid;gap:3px;margin-top:12px;padding:11px 12px;border-left:3px solid var(--le-blue);border-radius:0 10px 10px 0;background:#fafbff;font-size:12px;line-height:1.5}
.lv-wordlist-example strong{color:var(--le-blue);font-size:9px;text-transform:uppercase;letter-spacing:.07em}
.lv-wordlist-example small{color:var(--le-muted);font-size:11px}
.lv-wordlist-extra{display:flex;gap:8px;margin-top:9px;font-size:11px;line-height:1.45}
.lv-wordlist-extra strong{flex:0 0 82px;color:var(--le-muted);font-size:9px;text-transform:uppercase;letter-spacing:.05em}
.lv-wordlist-extra span{color:var(--le-text)}
.lv-wordlist-empty{padding:30px;text-align:center;color:var(--le-muted);font-size:13px}
@media(max-width:760px){.lv-wordlist-head{align-items:flex-start;flex-direction:column}.lv-wordlist-head-actions{justify-content:flex-start}.lv-wordlist-grid{grid-template-columns:1fr}.lv-wordlist-tools{align-items:stretch;flex-direction:column}.lv-wordlist-tools label{max-width:none}.lv-wordlist-tools>strong{align-self:flex-end}}

/* V3.8.3 — teacher-controlled Vocabulary practice attempts */
.lv-practice-attempt-banner{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin-top:12px;
  padding:9px 12px;
  border:1px solid #e4e7f4;
  border-radius:13px;
  background:#f7f8ff;
  color:#667087;
  font-size:12px;
}
.lv-practice-attempt-banner strong{color:#4f61d9;font-size:12px}
.lv-complete-attempt{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:30px;
  padding:0 11px;
  border-radius:999px;
  background:#eef1ff;
  color:#5266e6;
  font-size:11px;
  font-weight:900;
  letter-spacing:.04em;
  text-transform:uppercase;
}
.lv-retry-limit{
  display:inline-flex;
  margin-top:18px;
  padding:10px 13px;
  border-radius:12px;
  background:#f5f6fa;
  color:#70798d;
  font-size:12px;
  font-weight:800;
}
.lv-retry-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  margin:24px 0;
  padding:22px 24px;
  border:1px solid #dde2f5;
  border-radius:20px;
  background:linear-gradient(135deg,#f7f8ff,#fff);
}
.lv-retry-card h3{margin:5px 0 4px;font-size:20px}
.lv-retry-card p{margin:0;color:#737c91;font-size:13px}
.lv-retry-kicker{color:#5b73ff;font-size:10px;font-weight:900;letter-spacing:.08em}
.lv-retry-card .lv-primary-btn{white-space:nowrap}
@media(max-width:720px){
  .lv-retry-card{align-items:flex-start;flex-direction:column}
  .lv-retry-card .lv-primary-btn{width:100%;text-align:center}
}

/* V3.8.4 — resilient, language-aware Vocabulary pronunciation */
.lv-speak,.lv-wordlist-listen{transition:background .16s ease,border-color .16s ease,color .16s ease,transform .16s ease,opacity .16s ease}
.lv-speak.is-playing,.lv-wordlist-listen.is-playing{border-color:#aebaff;background:#eef1ff;color:#4257d7}
.lv-speak.is-playing{transform:translateY(-1px)}
.lv-wordlist-listen.is-playing{animation:lv-audio-pulse 1s ease-in-out infinite}
.lv-speak.is-audio-error,.lv-wordlist-listen.is-audio-error{border-color:#f0c7c7;background:#fff5f5;color:#b74141}
.lv-speak:disabled,.lv-wordlist-listen:disabled{cursor:wait;opacity:.66}
.lv-audio-notice{
  position:fixed;
  z-index:99999;
  right:20px;
  bottom:20px;
  max-width:min(390px,calc(100vw - 40px));
  padding:11px 14px;
  border:1px solid #e1e5f2;
  border-radius:13px;
  background:#101528;
  color:#fff;
  box-shadow:0 12px 34px rgba(16,21,40,.18);
  font-size:13px;
  font-weight:700;
  line-height:1.45;
  opacity:0;
  transform:translateY(8px);
  pointer-events:none;
  transition:opacity .18s ease,transform .18s ease;
}
.lv-audio-notice.show{opacity:1;transform:translateY(0)}
.lv-add-word-grid small,.lv-word-edit-grid small{display:block;margin-top:5px;color:#727b8e;font-size:11px;line-height:1.4}
@keyframes lv-audio-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.08)}}
@media(prefers-reduced-motion:reduce){.lv-wordlist-listen.is-playing{animation:none}}


/* V3.8.5 — clear Vocabulary round entry / continuation CTA */
.lv-next-attempt-box{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:4px;
  width:min(520px,100%);
  margin:20px auto 0;
  padding:14px 18px;
  border:1px solid #dfe4ff;
  border-radius:16px;
  background:#f7f8ff;
  text-align:center;
}
.lv-next-attempt-box span{
  color:#69738c;
  font-size:10px;
  font-weight:900;
  letter-spacing:.08em;
}
.lv-next-attempt-box strong{
  color:#101528;
  font-size:16px;
  line-height:1.35;
}
.lv-current-attempt-box{background:#fbfbfd;border-color:#e7eaf3}
.lv-complete-actions .lv-retry-practice,
.lv-complete-actions .lv-continue-practice{
  min-width:190px;
  font-size:14px;
  font-weight:850;
}
@media(max-width:560px){
  .lv-complete-actions{align-items:stretch;flex-direction:column}
  .lv-complete-actions .lv-primary-btn,.lv-complete-actions .lv-secondary-btn{width:100%}
}

/* V3.8.6 — redesigned Vocabulary Practice workspace */
.lv-practice-layout{
  display:grid;
  grid-template-columns:245px minmax(0,1fr) 300px;
  gap:22px;
  align-items:start;
  width:100%;
}
.lv-practice-main{min-width:0}
.lv-stage-practice{max-width:none;margin:0}
.lv-question-board-column,
.lv-practice-sidebar{
  position:sticky;
  top:92px;
}
.lv-question-board-column{min-width:0}
.lv-practice-sidebar{
  display:grid;
  gap:12px;
  min-width:0;
}
.lv-practice-side-card{
  padding:18px;
  border:1px solid #e1e5ef;
  border-radius:18px;
  background:#fff;
  box-shadow:0 8px 28px rgba(29,39,75,.045);
}
.lv-side-kicker{
  display:block;
  color:#6f7890;
  font-size:11px;
  font-weight:900;
  letter-spacing:.075em;
  text-transform:uppercase;
}
.lv-time-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.lv-hourglass{display:inline-flex;align-items:center;justify-content:center;font-size:22px;line-height:1;transform-origin:center center;animation:lvHourglassSpin 2.4s linear infinite;will-change:transform}
@keyframes lvHourglassSpin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
.lv-time-card #lv-practice-time{
  display:block;
  margin-top:6px;
  color:#101528;
  font-size:34px;
  line-height:1;
  letter-spacing:-.04em;
  font-variant-numeric:tabular-nums;
}
.lv-practice-side-card small{
  display:block;
  margin-top:7px;
  color:#7a8396;
  font-size:12px;
  line-height:1.45;
}
.lv-attempt-big{display:block;margin-top:7px;color:#101528;font-size:19px;line-height:1.25}
.lv-side-title-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.lv-side-title-row>strong{font-size:13px;color:#101528;font-variant-numeric:tabular-nums}
.lv-side-progress{
  position:relative;
  height:9px;
  margin-top:42px;
  border-radius:999px;
  background:#eef1f6;
  overflow:visible;
}
.lv-side-progress span{
  display:block;
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg,#5b73ff,#7b61ff);
  transition:width .32s ease;
}
.lv-progress-mascot{
  --lv-mascot-w:46px;
  --lv-mascot-h:68px;
  position:absolute;
  z-index:3;
  left:5%;
  bottom:6px;
  width:var(--lv-mascot-w);
  height:var(--lv-mascot-h);
  pointer-events:none;
  user-select:none;
  background-color:transparent!important;
  background-image:url('../img/lessor-mascot-run-sprite.png')!important;
  background-repeat:no-repeat!important;
  background-size:368px 68px!important;
  background-position:0 0;
  border-radius:0!important;
  filter:drop-shadow(0 4px 5px rgba(16,21,40,.16));
  transition:left .42s cubic-bezier(.2,.75,.25,1);
  transform:translateX(-50%);
  animation:lvMascotSprite .72s steps(8,end) infinite;
}
@keyframes lvMascotSprite{
  from{background-position:0 0}
  to{background-position:-368px 0}
}
.lv-progress-mascot.is-complete{
  animation-duration:.52s;
}
@media (prefers-reduced-motion:reduce){
  .lv-progress-mascot{animation:none;transition:left .2s linear;background-position:0 0}
}
.lv-side-stats{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:13px}
.lv-side-stats div{padding:10px 11px;border-radius:12px;background:#f7f8fc}
.lv-side-stats span{display:block;color:#788197;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.04em}
.lv-side-stats strong{display:block;margin-top:3px;color:#101528;font-size:18px;font-variant-numeric:tabular-nums}
.lv-question-board-card{padding:14px 14px 15px}
.lv-question-board-column .lv-side-title-row>strong{font-size:14px;font-weight:800}
.lv-question-board-column{max-height:calc(100vh - 115px);overflow:auto;scrollbar-width:thin}
.lv-question-board-column .lv-question-board{grid-template-columns:repeat(6,minmax(0,1fr));gap:5px}
.lv-question-board-column .lv-question-chip{height:36px;min-height:36px;aspect-ratio:auto;font-size:12px;border-radius:8px;padding:0}
.lv-question-board-legend{display:flex;gap:9px;flex-wrap:wrap;margin-top:8px;color:#7b8395;font-size:9px;font-weight:700}
.lv-question-board-legend span{display:inline-flex;align-items:center;gap:5px}
.lv-question-board-legend i{width:9px;height:9px;border-radius:3px;border:1px solid #cbd1df;background:#fff}
.lv-question-board-legend i.answered{border-color:#78c86a;background:#ecf9e9}
.lv-question-board-legend i.current{border:2px solid #5b73ff;background:#fff}
.lv-question-board{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:5px;
  margin-top:11px;
}
.lv-question-chip{
  display:grid;
  place-items:center;
  aspect-ratio:1;
  min-width:0;
  border:1px solid #ccd2de;
  border-radius:9px;
  background:#fff;
  color:#51596b;
  font:800 12px/1 inherit;
  cursor:pointer;
  transition:border-color .14s ease,background .14s ease,color .14s ease,transform .14s ease;
}
.lv-question-chip:not(:disabled):hover{border-color:#8e9dff;background:#f6f7ff;transform:translateY(-1px)}
.lv-question-chip.current{border:2px solid #5b73ff;color:#3f56d7;background:#f7f8ff}
.lv-question-chip.correct{border-color:#80c66d;background:#eef9eb;color:#2e7e3c}
.lv-question-chip.wrong{border-color:#ed9b9b;background:#fff1f1;color:#b23f3f}
.lv-question-chip:disabled{cursor:default;opacity:1}

.lv-practice-question-card{
  min-height:560px;
  padding:34px 36px;
  border-radius:24px;
  box-shadow:0 10px 34px rgba(29,39,75,.055);
}
.lv-practice-question-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  padding-bottom:18px;
  border-bottom:1px solid #edf0f5;
}
.lv-practice-question-head>div{min-width:0}
.lv-practice-type{
  display:block;
  color:#69738b;
  font-size:12px;
  font-weight:900;
  letter-spacing:.055em;
}
.lv-practice-instruction{
  display:block;
  margin-top:4px;
  color:#5b73ff;
  font-size:12px;
  font-weight:900;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.lv-practice-question-head>strong{
  flex:0 0 auto;
  color:#737d92;
  font-size:13px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
}
.lv-practice-word-wrap{padding:28px 0 8px}
.lv-practice-word-wrap h3{margin:0!important;font-size:clamp(32px,3vw,42px)!important;line-height:1.12!important;letter-spacing:-.035em}
.lv-practice-ipa{margin-top:8px;color:#5b73ff;font-size:18px;line-height:1.35}
.lv-practice-options{gap:12px;margin-top:24px}
.lv-practice-options .lv-option{
  display:flex;
  align-items:center;
  gap:14px;
  min-height:62px;
  padding:12px 16px;
  border-radius:15px;
  font-size:16px;
  font-weight:700;
  line-height:1.35;
}
.lv-option-letter{
  display:grid;
  place-items:center;
  flex:0 0 34px;
  width:34px;
  height:34px;
  border-radius:10px;
  background:#f2f4f8;
  color:#3f4758;
  font-size:14px;
  font-weight:900;
}
.lv-option.selected .lv-option-letter{background:#e8ecff;color:#435ad8}
.lv-option.correct .lv-option-letter{background:#dff5e6;color:#247845}
.lv-option.wrong .lv-option-letter{background:#ffe4e4;color:#b53f3f}
.lv-practice-actions{justify-content:flex-end;margin-top:22px;padding-top:18px;border-top:1px solid #edf0f5}
.lv-practice-actions .primary{min-width:150px;min-height:48px;padding:0 20px;font-size:14px}
.lv-practice-actions .primary:disabled{opacity:.42;cursor:not-allowed}
.lv-practice-question-card .lv-feedback{font-size:14px;line-height:1.45}
.lv-practice-sentence{margin-top:28px;padding:22px 24px;font-size:20px;line-height:1.6}
.lv-practice-question-card .lv-match-grid{margin-top:28px}
.lv-practice-question-card .lv-match-item{min-height:52px;padding:13px 15px;font-size:14px}
.lv-practice-question-card .lv-match-pairs{font-size:13px;line-height:1.55}

@media(max-width:1280px){
  .lv-practice-layout{grid-template-columns:220px minmax(0,1fr) 270px;gap:16px}
  .lv-question-board-column .lv-question-board{grid-template-columns:repeat(5,minmax(0,1fr));gap:5px}
}
@media(max-width:1050px){
  .lv-practice-layout{grid-template-columns:220px minmax(0,1fr)}
  .lv-practice-sidebar{position:static;grid-column:1/-1;grid-template-columns:repeat(3,minmax(0,1fr))}
  .lv-question-board-column{top:80px}
}
@media(max-width:760px){
  .lv-practice-layout{grid-template-columns:1fr}
  .lv-question-board-column,.lv-practice-sidebar{position:static;max-height:none}
  .lv-practice-main{order:1}
  .lv-question-board-column{order:2}
  .lv-practice-sidebar{order:3;grid-template-columns:1fr}
  .lv-question-board-column .lv-question-board{grid-template-columns:repeat(7,minmax(0,1fr))}
}
@media(max-width:560px){
  .lv-question-board{grid-template-columns:repeat(7,minmax(0,1fr));gap:6px}
  .lv-practice-question-card{padding:20px;border-radius:20px}
  .lv-practice-question-head{gap:10px}
  .lv-practice-question-head>strong{font-size:11px}
  .lv-practice-type,.lv-practice-instruction{font-size:10px}
  .lv-practice-word-wrap{padding-top:22px}
  .lv-practice-word-wrap h3{font-size:30px!important}
  .lv-practice-ipa{font-size:15px}
  .lv-practice-options .lv-option{min-height:56px;padding:10px 12px;font-size:15px}
  .lv-practice-actions{justify-content:stretch}
  .lv-practice-actions .primary{width:100%}
  .lv-time-card #lv-practice-time{font-size:30px}
}

/* V3.9.3 mascot sprite compatibility fix */
.lv-side-progress > #lv-practice-progress-bar{
  display:block;
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg,#5b73ff,#7b61ff);
  transition:width .32s ease;
}
.lv-side-progress > .lv-progress-mascot{
  display:block!important;
  width:46px!important;
  height:68px!important;
  opacity:1!important;
  visibility:visible!important;
  overflow:visible!important;
  background-color:transparent!important;
  background-image:url('../img/lessor-mascot-run-sprite.png')!important;
  background-size:368px 68px!important;
  background-repeat:no-repeat!important;
}