* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.confete {
    position: fixed;
    width: 10px;
    top: -5px;
    height: 10px;
    background-color: red;
    pointer-events: none;
    z-index: 9999;
    animation: cair 3s linear forwards;
}

@keyframes cair {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(180deg);
        opacity: 0;
    }
}

.progress-bar {
    background: #e2e8f0;
    border-radius: 10px;
    height: 10px;
    margin: 20px 0;
    overflow: hidden;
}


.progress-fill {
    background: linear-gradient(93deg, #5113b0, #e6d6ff);
    height: 100%;
    transition: width 0.5s ease;
    border-radius: 10px;
}




.congratulations{
    width: 520px !important;
}

.dialog{
    z-index: 999;
    word-wrap: break-word;
    display: none;
    width: 370px;
    max-width: 90%;
    padding: 16px 16px 20px;
    margin: 6px;
    position: fixed;
    top: 11px;
    box-shadow: 0 0 3px 0 #66616d;
    background-color: #2b2828;
    color: #f4efef;
    font-size: 1.2em;
    border-radius: 5px;
    text-align: center;
}
.speaker-icon{
    background-image: url("imgs/icons/speaker.png");
    width: 26px;
    height: 26px;
    background-repeat: no-repeat;
    background-size: cover;
}

body {
    font-family: 'Georgia', serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 7px 20px 20px;
}

.container {
    background-color: #f0f0f0;
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
    padding: 15px 40px 40px;
    max-width: 600px;
    width: 100%;
    min-height: 98vh;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.header {
   /* margin-bottom: 40px;*/
}

.app-title {
    font-size: 2.5rem;
    color: #4a5568;
    margin-bottom: 10px;
    font-weight: bold;
}

.app-subtitle {
    font-size: 1.2rem;
    color: #718096;
    margin-bottom: 30px;
}

.level-selector {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 40px;
}

.level-btn {
    padding: 6px 19px;
    border: none;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    /* min-width: 120px; */
}

.level-btn.active {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.level-btn:not(.active) {
    background: #f7fafc;
    color: #4a5568;
    border: 2px solid #e2e8f0;
}

.level-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.exercise-area {
    background-color: rgb(242 242 242);
    border-radius: 15px;
    padding: 51px 5px;
    margin-bottom: 20px;
    border: 1px solid #727272;

}

.word-display {
    margin-bottom: 30px;
}

.syllables {
    font-size: 2.5rem;
    margin-bottom: 15px;
    font-weight: bold;
    letter-spacing: 5px;
    color: #57625c;
    word-wrap: break-word;
}

.complete-word {
    word-wrap: break-word;
    font-size: 3rem;
    color: #2d3748;
    font-weight: bold;
    margin-bottom: 20px;
}

.word-meaning {
    font-size: 1.1rem;
    color: #718096;
    font-style: italic;
    margin-bottom: 30px;
}

.sentence-display {
    font-size: 1.5rem;
    color: #2d3748;
    line-height: 1.1;
    /*
    margin-bottom: 30px;
    padding: 20px;
    background: white;
    border-radius: 10px;
    border-left: 4px solid #667eea;
    */


}

.controls {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.control-btn {
    padding: 15px 25px;
    border: none;
    border-radius: 15px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.listen-btn {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 5px 15px rgba(72, 187, 120, 0.3);
}

.next-btn {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.control-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}


.icon {
    width: 20px;
    height: 20px;
}

.fade-in {
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.pulse {
    animation: pulse 0.6s ease-in-out;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@media (max-width: 600px) {
    body {
        padding: 4px;
        margin-top: 1px;
    }
    .container {
        border-radius: 3px;
        padding: 15px 7px;

    }

    .app-title {
        font-size: 2rem;
    }

    .syllables {
        font-size: 2rem;
        letter-spacing: 3px;
    }

    .complete-word {
        font-size: 2.5rem;
    }

    .level-selector {
        flex-direction: column;
        align-items: center;
    }

    .controls {
        /** flex-direction: column; **/
        align-items: center;
        gap: 11px;
    }
}