body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: linear-gradient(135deg, #1a2a3a, #0d1a26);
    color: #e0e6ed;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
}
.logo-top-left {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 1000;
}
.logo-top-left img {
    width: 150px;
    height: auto;
    filter: drop-shadow(0 0 5px rgba(0, 0, 0, 0.5));
}
.game-container {
    background-color: rgba(22, 34, 44, 0.9);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.7);
    text-align: center;
    width: 90%;
    max-width: 450px;
    border: 1px solid rgba(60, 80, 100, 0.5);
    position: relative;
}
h1 {
    color: #f39c12;
    margin-bottom: 25px;
    font-size: 2.5em;
    text-shadow: 0 0 8px rgba(243, 156, 18, 0.4);
}
p {
    margin-bottom: 20px;
    font-size: 1.1em;
    color: #b0c4de;
}
#playButton {
    background-color: #f39c12;
    color: #1a2a3a;
    border: none;
    padding: 16px 32px;
    font-size: 20px;
    font-weight: bold;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}
#playButton:hover {
    background-color: #e67e22;
    transform: translateY(-2px);
}
.results {
    margin-top: 35px;
    font-size: 22px;
}
#numberResult {
    color: #e0e6ed;
    font-weight: bold;
    font-size: 1.2em;
}
#gameResult {
    font-weight: bold;
    min-height: 50px;
    margin-top: 15px;
    font-size: 1.8em;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}
@media (max-width: 600px) {
    .game-container { padding: 25px; max-width: 95%; }
    h1 { font-size: 2em; }
    #playButton { padding: 12px 25px; font-size: 18px; }
    .logo-top-left img { width: 120px; }
}
.jumping-container {
    position: fixed;
    z-index: 999;
    width: 200px;
    height: 150px;
    border: 3px solid red;
    box-shadow: 0 0 15px red;
    background-color: #000;
    display: flex;
    justify-content: center;
    align-items: center;
}
.overlay-text {
    color: red;
    font-family: 'Courier New', monospace;
    font-size: 28px;
    font-weight: bold;
    text-align: center;
    text-shadow: 0 0 5px #000, 0 0 15px red;
    pointer-events: none;
}
.video-container {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: black;
    z-index: 9998;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    pointer-events: none;
}
.video-container.visible {
    opacity: 1;
    display: flex;
}
.hidden {
    display: none !important;
}