:root {
    --primary-color: #3498db;
    --secondary-color: #2980b9;
    --background-color: #ecf0f1;
    --text-color: #333;
    --error-color: #e74c3c;
    --success-color: #2ecc71;
    --highlight-color: #f39c12;
    --neutral-color: #bdc3c7;
    --box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

body.dark-theme {
    --primary-color: #3498db;
    --secondary-color: #2980b9;
    --background-color: #2c3e50;
    --text-color: #ecf0f1;
    --error-color: #e74c3c;
    --success-color: #2ecc71;
    --highlight-color: #f39c12;
    --neutral-color: #7f8c8d;
}

body.retro-theme {
    --primary-color: #8e44ad;
    --secondary-color: #9b59b6;
    --background-color: #f1c40f;
    --text-color: #34495e;
    --error-color: #c0392b;
    --success-color: #27ae60;
    --highlight-color: #e67e22;
    --neutral-color: #95a5a6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 20px 10px;
    align-items: center;
    justify-content: center;
    background: var(--background-color);
    color: var(--text-color);
    transition: var(--transition);
}

.wrapper {
    width: 800px;
    max-width: 95%;
    padding: 35px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

body.dark-theme .wrapper {
    background: #34495e;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 28px;
}

.settings {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(0, 0, 0, 0.05);
    border-radius: var(--border-radius);
}

.setting-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.setting-item label {
    font-weight: 500;
}

.setting-item select, 
.setting-item input[type="checkbox"] {
    padding: 5px 10px;
    border-radius: 5px;
    border: 1px solid var(--neutral-color);
    background-color: white;
    cursor: pointer;
}

body.dark-theme .setting-item select {
    background-color: #2c3e50;
    color: white;
    border-color: #1a2530;
}


.wrapper .content-box {
    padding: 20px;
    border-radius: var(--border-radius);
    border: 1px solid var(--neutral-color);
    margin-top: 20px;
}

.wrapper .input-field {
    position: absolute;
    opacity: 0;
    z-index: -999;
}

.typing-text {
    max-height: 230px;
    overflow-y: auto;
    margin-bottom: 20px;
    padding: 10px 15px;
    border-radius: var(--border-radius);
    background: rgba(0, 0, 0, 0.03);
}

body.dark-theme .typing-text {
    background: rgba(0, 0, 0, 0.2);
}

.typing-text p {
    font-size: 18px;
    line-height: 1.6;
    letter-spacing: 1px;
    word-break: break-all;
}

.typing-text::-webkit-scrollbar {
    width: 10px;
}

.typing-text::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
}

.typing-text::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}


.typing-text p span {
    position: relative;
    font-size: 20px;
}

.typing-text p span.active {
    color: var(--highlight-color);
    background-color: rgba(243, 156, 18, 0.1);
    border-radius: 2px;
    animation: blink 1s infinite;
}

@keyframes blink {
    50% { opacity: 0.6; }
}

.typing-text p span.correct {
    color: var(--success-color);
}

.typing-text p span.incorrect {
    color: var(--error-color);
    background: rgba(231, 76, 60, 0.2);
    border-radius: 4px;
}


.progress-bar {
    height: 8px;
    background: var(--neutral-color);
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
}

.progress-bar .progress {
    height: 100%;
    width: 0%;
    background: var(--primary-color);
    transition: width 0.3s ease;
}


.content-box .content {
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--neutral-color);
}

.content-box .result-details {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 20px;
}

.result-details li {
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-width: 100px;
    list-style: none;
    padding: 10px;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.03);
    text-align: center;
}

body.dark-theme .result-details li {
    background: rgba(0, 0, 0, 0.2);
}

.result-details li p {
    font-size: 14px;
    color: var(--text-color);
    opacity: 0.8;
}

.result-details li span {
    font-size: 20px;
    font-weight: 500;
}

.buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 10px;
}

.content button {
    min-width: 130px;
    border: none;
    outline: none;
    color: white;
    background-color: var(--primary-color);
    padding: 12px 18px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
    transition: var(--transition);
}

.content button:hover {
    background-color: var(--secondary-color);
}

.content button:active {
    transform: scale(0.96);
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 100;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    width: 90%;
    max-width: 500px;
    text-align: center;
}

body.dark-theme .modal-content {
    background-color: #34495e;
}

.modal h2 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.result-stats {
    display: flex;
    justify-content: space-around;
    margin-bottom: 30px;
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-label {
    font-size: 14px;
    color: var(--text-color);
}

.achievement {
    background-color: rgba(243, 156, 18, 0.1);
    color: var(--highlight-color);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 18px;
}

.achievement i {
    margin-right: 8px;
    font-size: 24px;
}

.modal-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.modal-buttons button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition);
}

#close-modal-btn {
    background-color: var(--neutral-color);
    color: white;
}

#share-results-btn {
    background-color: var(--primary-color);
    color: white;
}

.modal-buttons button:hover {
    filter: brightness(0.9);
}

footer {
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
    color: var(--text-color);
    opacity: 0.7;
}

/* Responsive design */
@media screen and (max-width: 768px) {
    .wrapper {
        padding: 20px;
    }
    
    .result-details {
        flex-direction: column;
        align-items: center;
    }
    
    .result-details li {
        width: 100%;
    }
    
    .buttons {
        flex-wrap: wrap;
    }
    
    .typing-text p {
        font-size: 16px;
    }
}