    @import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@400;500;700&family=Inter:wght@400;600;700&display=swap');
    
    body {
        font-family: 'Roboto Mono', monospace;
        max-width: 800px;
        margin: 0 auto;
        padding: 20px;
        background-color: rgb(37, 39, 53);
        color: #f9e5e5;
        line-height: 1.6;
    }
    
    h1 {
        text-align: center;
        color: #fafdff;
        margin-bottom: 5px;
        font-weight: 700;
        font-size: 2.5rem;
        letter-spacing: -1px;
    }
    
    .stats {
        position: relative;
        font-size: 1.2rem;
        color: rgb(255, 255, 255);
        font-weight: 500;
    }
    
    .stats span {
        margin: 0 10px;
    }
    
    .lesson-container {
        background-color: rgb(66, 69, 90);
        padding: 30px;
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        margin-bottom: 20px;
        font-size: 1.4rem;
        line-height: 2.2;
        min-height: 120px;
        font-weight: 400;
    }
    
    .keyboard {
        display: flex;
        flex-direction: column;
        align-items: center;
        margin: 30px 0;
        background-color: rgb(50, 52, 70);
        padding: 20px;
        border-radius: 10px;
    }
    
    .keyboard-row {
        display: flex;
        margin-bottom: 8px;
        justify-content: center;
    }
    
    .key {
        width: 50px;
        height: 50px;
        margin: 3px;
        background-color: rgb(37, 39, 53);
        color: white;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 5px;
        font-size: 1.2rem;
        box-shadow: 0 2px 5px rgba(0,0,0,0.2);
        transition: all 0.2s;
    }
    
    .key.active {
        background-color: #3498db;
        transform: scale(0.95);
    }
    
    .key.highlight {
        background-color: #2ecc71;
    }
    
    .key.special {
        width: 80px;
        background-color: rgb(70, 70, 90);
    }
    
    .key.space {
        width: 300px;
    }
    
    .instruction {
        background-color: rgb(66, 69, 90);
        padding: 20px;
        border-radius: 8px;
        margin-bottom: 20px;
        font-size: 1.1rem;
    }
    
    .instruction h3 {
        margin-top: 0;
        color: #3498db;
    }
    
    .progress-container {
        width: 100%;
        background-color: rgb(50, 52, 70);
        border-radius: 5px;
        margin: 20px 0;
    }
    
    .progress-bar {
        height: 20px;
        background-color: #2ecc71;
        border-radius: 5px;
        width: 0%;
        transition: width 0.3s;
    }
    
    .input-container {
        text-align: center;
        margin-bottom: 20px;
    }
    
    .input-field {
        width: 100%;
        max-width: 500px;
        padding: 12px 15px;
        font-family: 'Roboto Mono', monospace;
        font-size: 1.2rem;
        border: 2px solid #ddd;
        border-radius: 6px;
        outline: none;
        transition: border 0.3s;
        background-color: rgb(66, 69, 90);
        color: white;
    }
    
    .input-field:focus {
        border-color: #3498db;
    }
    
    .restart-btn {
        display: block;
        margin: 20px auto;
        background-color: #2ecc71;
        color: white;
        border: none;
        padding: 12px 30px;
        font-family: 'Roboto Mono', monospace;
        font-size: 1rem;
        font-weight: 600;
        border-radius: 6px;
        cursor: pointer;
        transition: background-color 0.3s;
    }
    
    .restart-btn:hover {
        background-color: #27ae60;
    }
    
    .next-btn {
        display: block;
        margin: 20px auto;
        background-color: #3498db;
        color: white;
        border: none;
        padding: 12px 30px;
        font-family: 'Roboto Mono', monospace;
        font-size: 1rem;
        font-weight: 600;
        border-radius: 6px;
        cursor: pointer;
        transition: background-color 0.3s;
    }
    
    .next-btn:hover {
        background-color: #2980b9;
    }
    
    .finger-diagram {
        display: flex;
        justify-content: center;
        margin: 20px 0;
    }
    
    .finger {
        text-align: center;
        margin: 0 10px;
    }
    
    .finger img {
        width: 50px;
        height: 50px;
    }
    
    .finger-label {
        font-size: 0.9rem;
        margin-top: 5px;
    }
    
    .lesson-title {
        text-align: center;
        font-size: 1.5rem;
        color: #3498db;
        margin-bottom: 20px;
    }
    
    .lesson-description {
        margin-bottom: 20px;
        line-height: 1.6;
    }
    
    .completion-message {
        text-align: center;
        font-size: 1.3rem;
        color: #2ecc71;
        margin: 20px 0;
        padding: 15px;
        background-color: rgba(46, 204, 113, 0.1);
        border-radius: 5px;
    }
 .anasayfa-container {
        position: absolute;
        left: 23rem;
        top: 0;
        text-align: center;
    }
    
    .anasayfa {
        position: relative;
        left: 19.3rem;
        margin: 20px auto;
        background-color:  #2ecc71;
        color: white;
        border: none;
        padding: 10px 20px;
        border-radius: 6px;
        cursor: pointer;
        transition: all 0.3s;
        font-family: 'Roboto Mono', monospace;
        font-weight: 500;
        font-size: 1rem;
        min-width: 150px;
        display: inline-flex;
        justify-content: center;
        align-items: center;
    }
    
    .anasayfa:hover {
        background-color:  #27ae60;
    }
    /* Dil seçici stil */
.dil-secici {
    position: absolute;
    right: 20px;
    top: 20px;
}

.dil-butonu {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 6px;
    cursor: pointer;
    font-family: 'Roboto Mono', monospace;
    font-weight: 500;
    transition: all 0.3s;
}

.dil-butonu:hover {
    background-color: #2980b9;
}

.dil-menu {
    display: none;
    position: absolute;
    right: 0;
    background-color: rgb(66, 69, 90);
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    z-index: 1;
    min-width: 120px;
}

.dil-menu.show {
    display: block;
}

.dil-opsiyonu {
    padding: 10px 15px;
    cursor: pointer;
    color: white;
    transition: all 0.2s;
}

.dil-opsiyonu:hover {
    background-color: #3498db;
    border-radius: 6px;
}