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

body {
    background: url('background.jpg') no-repeat center center fixed;
    background-size: cover;
    color: #f0f0f0;
    line-height: 1.6;
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: -1;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    text-align: center;
}

header {
    margin-bottom: 3rem;
}

h1 {
    font-size: 2.5rem;
    color: #ffffff;
    margin-bottom: 0.5rem;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
}

h2 {
    font-size: 1.8rem;
    color: #ffffff;
    margin-bottom: 0.5rem;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
}

.subtitle {
    font-size: 1.2rem;
    color: #f0f0f0;
    font-style: italic;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

.wheel-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 0 auto 3rem;
    aspect-ratio: 1/1;
    padding: 20px;
}

.wheel {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    transition: transform 5s cubic-bezier(0.17, 0.67, 0.12, 0.99);
    transform: rotate(0deg);
    border: 8px solid #2c3e50;
    box-sizing: border-box;
}

.wheel-pointer {
    position: absolute;
    top: 50%;
    right: -20px;
    transform: translateY(-50%) rotate(-90deg);
    z-index: 10;
    width: 0;
    height: 0;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-bottom: 30px solid #e74c3c;
    filter: drop-shadow(0 0 5px rgba(0,0,0,0.3));
    pointer-events: none;
}

.wheel-center {
    position: absolute;
    width: 40px;
    height: 40px;
    background: #2c3e50;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    border: 4px solid #fff;
}

.wheel-segment {
    position: absolute;
    width: 50%;
    height: 50%;
    transform-origin: 100% 100%;
    left: 0;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-left: 20%;
    text-align: center;
    font-weight: bold;
    color: white;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    box-sizing: border-box;
    overflow: hidden;
}

.pointer {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-top: 40px solid #e74c3c;
    z-index: 5;
}

.result {
    margin-top: 2rem;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.result-content {
    background-color: #fff;
    padding: 1.5rem 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    max-width: 80%;
    font-size: 1.2rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease-out;
}

.result-content.visible {
    opacity: 1;
    transform: translateY(0);
}

button {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 24px;
    font-size: 1.1rem;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 1rem;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #2980b9;
}

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