/* Estilos del nuevo motor de lecciones, sin tocar paleta ni tipografías existentes */

.lesson-stage .lesson-capsule h2 { font-size: clamp(28px, 4vw, 40px); margin: 8px 0 4px; }
.lesson-stage .lesson-headline { font-size: clamp(20px, 2.6vw, 26px); opacity: .92; margin: 0 0 12px; font-weight: 600; }
.lesson-stage .lesson-body { font-size: 17px; line-height: 1.55; opacity: .9; margin-bottom: 18px; }

.lesson-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 16px 0 18px; }
@media (max-width: 720px) { .lesson-points { grid-template-columns: 1fr; } }
.lesson-point { display: flex; gap: 12px; padding: 14px; border-radius: 14px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); }
.lesson-point-icon { font-size: 28px; line-height: 1; }
.lesson-point b { display: block; font-size: 14px; margin-bottom: 4px; }
.lesson-point small { font-size: 13px; opacity: .8; line-height: 1.4; }

.lesson-example, .lesson-tip { padding: 14px 16px; border-radius: 14px; margin-top: 12px; }
.lesson-example { background: rgba(34, 211, 238, .1); border-left: 3px solid #22D3EE; }
.lesson-example span, .lesson-tip b { display: block; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; opacity: .7; margin-bottom: 4px; }
.lesson-tip { background: rgba(255, 191, 0, .08); border-left: 3px solid #FFBF00; }
.lesson-example p, .lesson-tip p { margin: 0; font-size: 15px; line-height: 1.5; }

.lesson-progress-bar { display: flex; gap: 6px; margin: 8px 0 16px; }
.lesson-progress-bar span { flex: 1; height: 6px; background: rgba(255,255,255,.08); border-radius: 6px; }
.lesson-progress-bar span.done { background: #50C878; }
.lesson-progress-bar span.active { background: #FFBF00; }

.lesson-q { font-size: clamp(20px, 2.4vw, 26px); line-height: 1.35; margin: 6px 0 16px; }
.lesson-activity-card { padding: 22px; }

/* Multiple choice */
.lesson-mc { display: grid; gap: 10px; }
.lesson-mc-btn { display: flex; align-items: center; gap: 14px; padding: 14px 16px; text-align: left; border-radius: 14px; border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.04); color: inherit; font: inherit; cursor: pointer; transition: all .2s; }
.lesson-mc-btn:hover:not(:disabled) { background: rgba(255,255,255,.08); transform: translateY(-1px); }
.lesson-mc-btn.selected { border-color: #FFBF00; background: rgba(255,191,0,.1); }
.lesson-mc-btn.correct { border-color: #50C878; background: rgba(80,200,120,.18); }
.lesson-mc-btn.wrong { border-color: #DC143C; background: rgba(220,20,60,.15); }
.lesson-letter { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%; background: rgba(255,255,255,.1); font-weight: 700; flex: 0 0 30px; }

/* True/False */
.lesson-tf { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.lesson-tf-btn { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 26px 16px; border-radius: 16px; border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.04); color: inherit; font: inherit; cursor: pointer; transition: all .2s; }
.lesson-tf-btn b { font-size: 36px; line-height: 1; }
.lesson-tf-btn:hover:not(:disabled) { transform: translateY(-2px); }
.lesson-tf-btn.selected { border-color: #FFBF00; background: rgba(255,191,0,.1); }
.lesson-tf-btn.correct { border-color: #50C878; background: rgba(80,200,120,.18); }
.lesson-tf-btn.wrong { border-color: #DC143C; background: rgba(220,20,60,.15); }

/* Match */
.lesson-match { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 18px; margin-bottom: 8px; }
.lesson-match-col { display: grid; gap: 8px; }
.lesson-match-cell { padding: 12px 14px; border-radius: 12px; border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.04); color: inherit; font: inherit; cursor: pointer; transition: all .2s; text-align: left; }
.lesson-match-cell:hover:not(:disabled) { background: rgba(255,255,255,.08); }
.lesson-match-cell.active { border-color: #FFBF00; background: rgba(255,191,0,.12); }
.lesson-match-cell.matched { background: rgba(34,211,238,.1); border-color: #22D3EE; opacity: .8; }
.lesson-match-cell.matched.correct { border-color: #50C878; background: rgba(80,200,120,.15); }
.lesson-match-cell.matched.wrong { border-color: #DC143C; background: rgba(220,20,60,.12); }

/* Classify */
.lesson-classify-pool { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px; background: rgba(255,255,255,.03); border-radius: 12px; margin-bottom: 12px; min-height: 50px; }
.lesson-chip { padding: 8px 14px; border-radius: 20px; border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.06); color: inherit; font: inherit; font-size: 14px; cursor: pointer; transition: all .2s; }
.lesson-chip:hover:not(:disabled) { background: rgba(255,255,255,.12); }
.lesson-chip.active { border-color: #FFBF00; background: rgba(255,191,0,.18); }
.lesson-chip.placed { cursor: default; }
.lesson-chip.placed.correct { border-color: #50C878; background: rgba(80,200,120,.2); }
.lesson-chip.placed.wrong { border-color: #DC143C; background: rgba(220,20,60,.18); }
.lesson-classify-buckets { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.lesson-bucket { padding: 14px; border-radius: 14px; border: 2px dashed rgba(255,255,255,.15); background: rgba(255,255,255,.03); cursor: pointer; transition: all .2s; }
.lesson-bucket:hover { border-color: rgba(255,255,255,.3); }
.lesson-bucket header { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.lesson-bucket header span { font-size: 22px; }
.lesson-bucket-body { display: flex; flex-wrap: wrap; gap: 6px; min-height: 30px; }

/* Order */
.lesson-order-pool { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px; background: rgba(255,255,255,.03); border-radius: 12px; margin-bottom: 14px; }
.lesson-chip.used { opacity: .35; text-decoration: line-through; }
.lesson-order-sequence { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.lesson-order-sequence li { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 12px; border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.04); }
.lesson-order-sequence li.empty { opacity: .5; border-style: dashed; }
.lesson-order-sequence li.filled { background: rgba(34,211,238,.08); border-color: #22D3EE; }
.lesson-order-sequence li.correct { background: rgba(80,200,120,.15); border-color: #50C878; }
.lesson-order-sequence li.wrong { background: rgba(220,20,60,.12); border-color: #DC143C; }
.lesson-order-sequence li > span { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: rgba(255,255,255,.1); font-weight: 700; font-size: 14px; flex: 0 0 28px; }
.lesson-order-sequence li > b { font-weight: 600; }
.lesson-order-sequence li > i { opacity: .5; font-style: normal; }

/* Calc */
.lesson-calc { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.lesson-calc input { padding: 12px 16px; border-radius: 12px; border: 1px solid rgba(255,255,255,.15); background: rgba(255,255,255,.06); color: inherit; font-size: 18px; flex: 1; min-width: 160px; }
.lesson-calc button { padding: 12px 20px; border-radius: 12px; border: none; background: #FFBF00; color: #000; font-weight: 600; cursor: pointer; }

/* Feedback */
.lesson-feedback { margin-top: 16px; padding: 14px 16px; border-radius: 12px; }
.lesson-scenario { background: rgba(34, 211, 238, .08); border-left: 3px solid #22D3EE; padding: 14px 18px; border-radius: 12px; margin-bottom: 16px; }
.lesson-scenario.lesson-decision { background: rgba(255, 191, 0, .08); border-color: #FFBF00; }
.lesson-scenario-label { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; opacity: .7; margin-bottom: 6px; }
.lesson-scenario-text { font-size: 16px; line-height: 1.5; margin: 0; }

.lesson-feedback.ok { background: rgba(80,200,120,.12); border-left: 3px solid #50C878; }
.lesson-feedback.bad { background: rgba(220,20,60,.1); border-left: 3px solid #DC143C; }
.lesson-feedback.warn { background: rgba(255,170,40,.12); border-left: 3px solid #FFAA28; }
.lesson-feedback b { display: block; margin-bottom: 4px; display: flex; align-items: center; gap: 6px; }
.lesson-feedback b svg { flex-shrink: 0; }
.pill.attempts { background: rgba(255,170,40,.18); color: #FFAA28; }
button.ghost { background: transparent; border: 1px solid currentColor; opacity: .85; display: inline-flex; align-items: center; gap: 6px; }
button.ghost:hover { opacity: 1; }
.lesson-feedback p { margin: 0; font-size: 15px; line-height: 1.5; opacity: .9; }

.lesson-hint { font-size: 13px; opacity: .65; margin-top: 8px; }

/* Result */
.lesson-skills { margin: 18px 0; padding: 16px; border-radius: 14px; background: rgba(80,200,120,.08); border: 1px solid rgba(80,200,120,.25); text-align: left; }
.lesson-skills h3 { margin: 0 0 10px; font-size: 16px; }
.lesson-skills ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.lesson-skills li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; line-height: 1.4; }
.lesson-skill-check { display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px; border-radius: 50%; background: #50C878; color: #000; font-weight: 700; font-size: 13px; flex: 0 0 22px; }

.lesson-result-line { font-size: 15px; opacity: .9; margin: 6px 0 14px; }

.actions.inline { justify-content: flex-start; margin-top: 8px; }
.actions .ghost { background: transparent; border: 1px solid rgba(255,255,255,.15); color: inherit; }