body { font-family: Calibri, sans-serif; background: #F9F9F9; display: flex; justify-content: center; padding: 20px;

            display: flex !important; 
            flex-direction: column !important; /* Выстраивает элементы вертикально: сначала хедер, потом карточку */
            align-items: center !important;    /* Центрирует карточку тренажера по горизонтали */
            margin: 0; 
            padding: 0; 
            background: #F9F9F9;
 }


        .app-card { background: white; padding: 30px; border-radius: 10px; box-shadow: 0 4px 15px rgba(0,0,0,0.1); width: 100%; max-width: 800px; text-align: center; }
        .nav-info { display: flex; justify-content: space-between; margin-bottom: 10px; color: #666; font-size: 0.9em; }
        .drop-zone { min-height: 80px; border: 2px dashed #cbd5e0; border-radius: 6px; margin-bottom: 20px; padding: 10px; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; align-items: center; background: #f7fafa; }
        .words-pool { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 30px; border-top: 1px solid #eee; padding-top: 20px; }
        
        button {cursor: pointer; border: none; border-radius: 6px; transition: 0.2s;  }
        
        .word-btn { padding: 10px 15px; background: #edf2f7; border: 1px solid #cbd5e0; font-size: 18px; font-weight: normal; }
        .word-btn:hover { background: #e2e8f0; }
        .word-btn:disabled { opacity: 0.2; cursor: default; }

        .placed-word { padding: 10px 15px; background: #107faa; font-size: 22px; color: white; border-radius: 6px; font-weight: normal; cursor: pointer; }

        .controls { display: flex; gap: 20px; justify-content: center; margin-bottom: 20px; }
        .btn-main { padding: 12px 24px; font-weight: normal; color: white; }

        .btn-listen { background: #fdc008; width: 120px; }
        .btn-check { background: #107faa; width: 120px;}

        .btn-next { background: #107faa; }

        .btn-reset { background: #cd0c3a; width: 120px;}

        #message { height: 24px; margin-bottom: 10px; font-size: 18px; font-weight: bold; }
        .success { color: #000000; }
        .error { color: #e53e3e; }