* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
}

body {
    background-color: #f5f5f5;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

h1 {
    color: #333;
    margin-bottom: 20px;
}

.instructions {
    color: #666;
    margin-bottom: 30px;
    font-size: 18px;
}

.game-area {
    margin-bottom: 30px;
}

.display-area {
    margin-bottom: 20px;
}

.number-display {
    font-size: 32px;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 10px;
    font-family: 'Courier New', monospace;
}

.timer {
    font-size: 24px;
    color: #e74c3c;
    font-family: 'Courier New', monospace;
    margin-bottom: 20px;
}

.slider-container {
    margin: 30px 0;
}

input[type=range] {
    -webkit-appearance: none;
    width: 100%;
    height: 25px;
    background: #d3d3d3;
    outline: none;
    border-radius: 15px;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 40px;
    height: 40px;
    background: #3498db;
    cursor: pointer;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
}

.buttons {
    margin-top: 30px;
}

button {
    padding: 12px 25px;
    margin: 0 10px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

#startButton {
    background-color: #2ecc71;
    color: white;
}

#finishButton {
    background-color: #3498db;
    color: white;
}

#resetButton {
    background-color: #e74c3c;
    color: white;
}

button:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
}

button:hover:not(:disabled) {
    transform: scale(1.05);
}

.result {
    margin-top: 20px;
    font-size: 20px;
    color: #2c3e50;
    min-height: 30px;
}

/* Results Dialog Styles */
.dialog-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.dialog-content {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    max-width: 500px;
    width: 90%;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.close-button {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
    color: #666;
}

.close-button:hover {
    color: #333;
}

#dialogContent {
    margin: 20px 0;
    font-size: 18px;
    line-height: 1.6;
}

#rankingsTable {
    width: 100%;
    margin-top: 20px;
    border-collapse: collapse;
}

#rankingsTable th, 
#rankingsTable td {
    padding: 10px;
    text-align: center;
    border-bottom: 1px solid #ddd;
}

#rankingsTable th {
    background-color: #f2f2f2;
    font-weight: bold;
}

#rankingsTable tr:nth-child(even) {
    background-color: #f9f9f9;
}

#rankingsTable tr.current-user {
    background-color: #e3f2fd;
    font-weight: bold;
}