.flashcards-bm,.flashcards-lengua{max-width:880px;margin:0 auto;padding:0 var(--sp-lg, 1.25rem) var(--sp-xl, 2.5rem)}.flashcards-header{text-align:center;margin:1.5rem 0 1.75rem}.flashcards-header h2{font-family:var(--font-display);font-size:clamp(1.5rem,2.5vw,1.85rem);font-weight:700;margin:0 0 .35rem;color:var(--text);line-height:1.2}.flashcards-subtitle{margin:0;font-size:1rem;color:var(--text-muted)}.flashcards-subtitle span{color:var(--text);font-weight:600}.flashcards-toolbar{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;padding:.65rem;margin:0 auto 1rem;background:var(--bg2);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-sm);max-width:640px}.flashcards-mode{display:inline-flex;align-items:center;gap:.45rem;font-family:inherit;font-size:.92rem;font-weight:500;padding:.55rem 1rem;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--text-muted);cursor:pointer;transition:background .15s,color .15s,border-color .15s}.flashcards-mode:hover{color:var(--text);background:var(--bg)}.flashcards-mode.is-active{background:var(--section-color, var(--accent));border-color:var(--section-color, var(--accent));color:#fff}.flashcards-mode.is-active:hover{color:#fff}.flashcards-mode-count{font-variant-numeric:tabular-nums;font-size:.75rem;background:color-mix(in srgb,currentColor 18%,transparent);padding:.05rem .45rem;border-radius:999px}.flashcards-unit-picker{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:.65rem;margin:0 0 1rem}.flashcards-unit-label{font-size:.9rem;color:var(--text-muted);font-weight:500}.flashcards-unit-select{font-family:inherit;font-size:.95rem;padding:.5rem .85rem;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--text);min-width:240px}.flashcards-unit-select:focus{outline:none;border-color:var(--section-color, var(--accent));box-shadow:0 0 0 3px color-mix(in srgb,var(--section-color, var(--accent)) 18%,transparent)}.flashcards-empty{margin:2rem auto;padding:1.5rem 1.75rem;max-width:560px;text-align:center;border:1px dashed var(--border);border-radius:12px;color:var(--text-muted);background:var(--bg2)}.flashcards-empty strong{color:var(--text)}.flashcards-stage{perspective:1600px;margin:1.25rem 0 1.5rem;display:flex;justify-content:center}.flashcard{position:relative;width:100%;max-width:620px;min-height:320px;border:0;background:transparent;padding:0;cursor:pointer;font-family:inherit;text-align:left}.flashcard-inner{position:relative;width:100%;min-height:320px;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.22,.61,.36,1)}.flashcard.is-flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard-face{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:.75rem;padding:2rem 1.75rem 1.5rem;border-radius:18px;background:var(--bg2);border:1px solid var(--border);box-shadow:var(--shadow-md);backface-visibility:hidden;-webkit-backface-visibility:hidden}.flashcard-front{border-top:3px solid var(--section-color, var(--accent))}.flashcard-back{transform:rotateY(180deg);border-top:3px solid var(--section-color2, var(--section-color, var(--accent)))}.flashcard-hint{position:absolute;top:.85rem;right:1rem;font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);font-weight:600}.flashcard-title{font-family:var(--font-display);font-size:clamp(1.5rem,3.2vw,2.1rem);font-weight:700;text-align:center;margin:0;color:var(--text);line-height:1.2}.flashcard-definition{font-size:1rem;line-height:1.55;color:var(--text);text-align:left;margin:0;max-height:240px;overflow-y:auto;width:100%}.flashcard-badge{display:inline-flex;align-items:center;gap:.35rem;font-size:.78rem;font-weight:600;padding:.3rem .7rem;border-radius:999px;background:color-mix(in srgb,var(--section-color, var(--accent)) 16%,transparent);color:var(--section-color2, var(--section-color, var(--accent)));border:1px solid color-mix(in srgb,var(--section-color, var(--accent)) 30%,transparent)}.flashcard-badge--ghost{background:transparent;color:var(--text-muted);border-color:var(--border)}.flashcard-fields{display:flex;flex-direction:column;gap:.9rem;width:100%;max-height:280px;overflow-y:auto;text-align:left;padding-right:.25rem}.flashcard-field strong{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--section-color2, var(--section-color, var(--accent)));margin-bottom:.25rem;font-weight:700}.flashcard-field p{font-size:.95rem;line-height:1.5;color:var(--text);margin:0}.flashcards-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:.7rem;margin:0 0 1.25rem}.flashcards-btn{display:inline-flex;align-items:center;gap:.45rem;font-family:inherit;font-size:.95rem;font-weight:600;padding:.65rem 1.2rem;border:1px solid var(--border);border-radius:10px;background:var(--bg2);color:var(--text);cursor:pointer;transition:background .15s,border-color .15s,color .15s,transform .1s}.flashcards-btn:hover{border-color:var(--section-color, var(--accent));background:var(--bg)}.flashcards-btn:active{transform:translateY(1px)}.flashcards-btn:disabled{opacity:.5;cursor:not-allowed}.flashcards-btn--good{background:#16a34a;border-color:#16a34a;color:#fff}.flashcards-btn--good:hover{background:#15803d;border-color:#15803d;color:#fff}.flashcards-btn--bad{background:#dc2626;border-color:#dc2626;color:#fff}.flashcards-btn--bad:hover{background:#b91c1c;border-color:#b91c1c;color:#fff}.flashcards-btn--primary{background:var(--section-color, var(--accent));border-color:var(--section-color, var(--accent));color:#fff}.flashcards-btn--primary:hover{background:var(--section-color2, var(--section-color, var(--accent)));border-color:var(--section-color2, var(--section-color, var(--accent)));color:#fff}.flashcards-progress{margin:0 auto;max-width:620px}.flashcards-progress-bar{width:100%;height:6px;background:var(--bg2);border:1px solid var(--border);border-radius:999px;overflow:hidden}.flashcards-progress-fill{height:100%;width:0%;background:var(--section-color, var(--accent));transition:width .25s ease}.flashcards-progress-text{margin:.55rem 0 0;text-align:center;font-size:.85rem;color:var(--text-muted);font-variant-numeric:tabular-nums}.flashcards-summary{margin:2rem auto;padding:2rem 1.75rem;max-width:620px;text-align:center;border:1px solid var(--border);border-radius:16px;background:var(--bg2);box-shadow:var(--shadow-md)}.flashcards-summary h3{font-family:var(--font-display);font-size:clamp(1.25rem,2.2vw,1.5rem);font-weight:700;margin:0 0 .75rem;color:var(--text)}.flashcards-summary-stats{font-size:1.05rem;color:var(--text);margin:0 0 1.25rem}.flashcards-summary-stats strong{font-variant-numeric:tabular-nums}.flashcards-sum-good{color:#16a34a}.flashcards-sum-bad{color:#dc2626}.flashcards-summary-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:.65rem}@media(max-width:520px){.flashcard,.flashcard-inner{min-height:280px}.flashcards-toolbar{flex-direction:column;align-items:stretch}.flashcards-mode{justify-content:center}.flashcards-actions{flex-direction:column}.flashcards-btn{justify-content:center}}