.loadblock{font-size:48px;padding:50px 0;min-height:350px}.loadblock img{margin-bottom:15px;height:100px;width:auto;margin-bottom:0}.flashcard{perspective:1000px;height:400px;margin:0 auto 30px auto;max-width:600px;cursor:pointer}.flashcard-inner{position:relative;width:100%;height:100%;text-align:center;transition:transform 0.6s;transform-style:preserve-3d;box-shadow:0 4px 8px rgba(0,0,0,0.2);border-radius:15px}.flashcard.flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard-front,.flashcard-back{position:absolute;width:100%;height:100%;-webkit-backface-visibility:hidden;backface-visibility:hidden;display:flex;flex-direction:column;justify-content:center;align-items:center;border-radius:15px;padding:20px}.flashcard-front{background-color:#4d5bd3;color:white}.flashcard-back{background-color:#f8f9fa;color:white;transform:rotateY(180deg)}.verb-main{font-size:3.5rem;margin-bottom:1rem}.verb-form{margin-bottom:1.5rem}.verb-label{font-weight:bold;display:block;margin-bottom:0.2rem;font-size:1.2rem}.verb-text{font-size:1.8rem;margin-bottom:0.2rem}.verb-transcription{font-size:1.2rem;color:#e0e0e0;margin-bottom:0.5rem}.verb-translation{font-size:1.5rem;margin-top:1rem;font-style:italic;margin-bottom:1.5rem}.play-button{position:absolute;top:15px;right:15px;font-size:1.5rem;cursor:pointer;padding:5px}.flashcard-back .play-button{color:#a0a1a4}.flashcard-back .play-button:hover{color:#1758fb}.flashcard-back .play-button.pl{color:#7f9d1e}.help-button{position:absolute;top:15px;left:15px;font-size:1.5rem;cursor:pointer;color:#a0a1a4;padding:5px}.flashcard-back .help-button:hover{color:#1758fb}.response-buttons{margin-top:1rem}.btn-response{margin:0 5px;min-width:120px}.level-filters{display:flex;justify-content:center;margin-bottom:20px}.level-btn{margin:0 5px}.auth-modal-backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,0.5);z-index:1050;display:flex;align-items:center;justify-content:center}.auth-modal{background-color:white;border-radius:10px;padding:20px;max-width:500px;width:90%;z-index:1051}table.tbl-verb{margin-top:25px}.tbl-verb .t{color:#7f9d1e}table.tbl-verb .v{font-size:32px}table.tbl-verb th{padding-bottom:0}table.tbl-verb td{padding-top:0}table.tbl-verb .inf-verb .trans{color:#101115;font-size:24px}table.tbl-verb th{color:#a0a1a4;font-size:14px;font-weight:normal;line-height:1.1}.flashcard-back img{border-radius:5px}.form-check input{padding:0}.flashcard-back{visibility:hidden;opacity:0;transition:visibility 0s,opacity 0.2s ease}.flashcard.flipped .flashcard-back{visibility:visible;opacity:1;transition-delay:0.15s}.firsthelp{font-size:1.9rem;color:#f16126}.hiddenbefore #invsbl{display:none}.hiddenbefore #invsbl.isvisible{display:block}.pdesc{margin-top:30px}.verb-desc{font-size:1.8rem}.pv-trans{font-size:32px;color:#f16126;font-weight:700;margin:15px 0 15px 0;line-height:1.15}