body, html {
    height: 100%;
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #000000;
    overflow: hidden;
    color: #ffffff;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    position: relative;
}

.search-input {
    padding: 10px 15px;
    font-size: 18px;
    width: 200px;
    border: none;
    border-radius: 25px;
    box-shadow: 0 2px 10px blueviolet;
    outline: none;
    text-align: center;
    z-index: 10;
    background-color: #000000;
    color: #fff;
    transition: transform 0.3s ease;
    transform: scale(1);
    background: #1a1a1a;
    color: #fff;
    border: 2px solid #ff416c;
    box-shadow: 0 0 20px #ff416c, 0 0 40px #ff4b2b;
    border-radius: 25px;
    font-size: 20px;
    padding: 12px 20px;
    text-align: center;
    transition: box-shadow 0.3s, border 0.3s;
}

.search-input::placeholder {
    color: #999;
}

.search-input:focus {
    border: 2px solid #ff4b2b;
    box-shadow: 0 0 40px #ff416c, 0 0 80px #ff4b2b;
}

.topic {
    position: absolute;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 10px;
    transition: all 0.3s ease;
    cursor: pointer;
    user-select: none;
    padding: 5px;
    color: red;
    text-shadow: 0 0 5px #30033e;
    background-color: black;
    box-shadow: 0 0 10px blueviolet;
    text-align: center;
    word-wrap: break-word;
}

.topic:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px #551cb8;
}

.topic.special-search {
    background: linear-gradient(135deg, #ff416c 0%, #ff4b2b 100%);
    color: #fff;
    border: none;
    box-shadow: 0 0 30px #ff416c, 0 0 60px #ff4b2b;
    font-size: 18px;
    font-weight: bold;
    letter-spacing: 1px;
    transition: transform 0.2s, box-shadow 0.2s;
    outline: none;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.topic.special-search:hover {
    transform: scale(1.15) rotate(-2deg);
    box-shadow: 0 0 40px #ff416c, 0 0 80px #ff4b2b;
}

@keyframes pulse {
    0% { box-shadow: 0 0 30px #ff416c, 0 0 60px #ff4b2b; }
    50% { box-shadow: 0 0 60px #ff416c, 0 0 120px #ff4b2b; }
    100% { box-shadow: 0 0 30px #ff416c, 0 0 60px #ff4b2b; }
}

#canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}