body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    min-height: 100vh;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

body.scroll-body {
    display: block;
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

body.scroll-body::-webkit-scrollbar {
    display: none;
}

.main-container {
    background-color: rgba(0, 0, 0, 0.65);
    padding: 30px;
    border-radius: 20px;
    width: 90%;
    max-width: 850px;
    margin: 40px auto;
    color: white;
    text-align: center;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow-x: auto;
    min-height: 520px;
}

.scroll-nav {
    position: fixed;
    top: 50%;
    right: 25px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 9999;
}

.scroll-nav button {
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.25);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.scroll-nav button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.15);
    border-color: rgba(255, 255, 255, 0.8);
}

.side-gallery {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    background-color: rgba(26, 26, 26, 0.85);
    backdrop-filter: blur(10px);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    overflow-x: hidden;
    transition: 0.5s;
    padding-top: 60px;
}
.side-gallery.open { width: 250px; }
.gallery-header { display: flex; justify-content: space-between; padding: 0 20px; color: white; }
.gallery-item { display: flex; align-items: center; margin: 15px 20px; color: white; text-align: left; }
.gallery-item img { width: 40px; height: 40px; border-radius: 50%; margin-right: 10px; object-fit: cover; }

#openGalleryBtn { position: fixed; top: 20px; left: 20px; background-color: rgba(0, 0, 0, 0.6); color: white; border: none; padding: 10px 15px; cursor: pointer; border-radius: 5px; z-index: 100; }
#closeGalleryBtn { background: none; border: none; color: white; font-size: 20px; cursor: pointer; }

#gameBoard { display: flex; flex-direction: column; align-items: center; gap: 12px; margin-top: 30px; }
.header-row, .attempt-row {
    display: grid;
    grid-template-columns: 60px repeat(9, 1fr);
    gap: 4px;
    width: 100%;
    align-items: center;
}

.header-box { text-align: center; font-size: 11px; text-transform: uppercase; font-weight: bold; padding: 5px 0; overflow: hidden; }
.box {
    padding: 0px; 
    border-radius: 5px;
    background: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    min-height: 50px; 
    overflow: hidden;
    word-break: break-word;
}
.box img {
    width: 60px !important; 
    height: 50px !important;
    object-fit: cover;
    border-radius: 5px;
    flex-shrink: 0; 
}

.green { background-color: #27ae60; }
.red { background-color: #c0392b; }
.desc { font-size: 10px; margin-top: 40px; opacity: 0.8; line-height: 1.5; text-align: center; }

.search-container { position: relative; display: inline-block; }
input { padding: 12px; width: 280px; border-radius: 8px; border: none; background: #2a2a2aa2; color: white; font-size: 16px; }

#suggestions { list-style: none; padding: 0; margin: 5px 0 0 0; background: #2a2a2aa2; width: 280px; border-radius: 0 0 8px 8px; position: absolute; left: 0; top: 100%; z-index: 10; max-height: 200px; overflow-y: auto; box-shadow: 0 8px 16px rgba(0,0,0,0.5); }
#suggestions li { padding: 10px; cursor: pointer; text-align: left; border-bottom: 1px solid #444; display: flex; align-items: center; }
#suggestions li:hover { background: #444444af; }

#guessBtn, #hintBtn, #nextBtn, #endlessBtn { padding: 12px 25px; margin-left: 10px; border: none; border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 8px; font-size: 16px; font-weight: 600; cursor: pointer; transition: 0.3s ease; backdrop-filter: blur(5px); }
#guessBtn { background-color: rgba(255, 255, 255, 0.1); color: white; }
#guessBtn:hover { background-color: rgba(255, 255, 255, 0.2); }

#hintBtn { background-color: #3498db; color: white; border: none; }
#hintBtn:hover { background-color: #2980b9; box-shadow: 0 4px 10px rgba(52, 152, 219, 0.3); }

#nextBtn { background-color: rgba(87, 87, 87, 0.5); color: white; text-decoration: none; display: inline-block; }
#nextBtn:hover { background-color: rgba(112, 112, 112, 0.7); }

#endlessBtn { background-color: rgba(37, 37, 37, 0.384); color: white; }
#endlessBtn:hover { background-color: rgba(34, 34, 34, 0.384); }

.popup-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.4); backdrop-filter: blur(8px); justify-content: center; align-items: center; z-index: 1000; }
.popup-content { background: rgba(82, 82, 82, 0.4); padding: 30px; border-radius: 15px; text-align: center; color: white; border: 2px solid #4CAF50; box-shadow: 0 0 20px rgba(76, 175, 80, 0.3); }
.popup-content button { margin-top: 15px; padding: 10px 20px; background: #7a7a7a; color: white; border: none; border-radius: 5px; cursor: pointer; font-weight: bold; transition: 0.3s; }
.popup-content button:hover { background: #4b4b4b; }

.timer-container { margin-top: 20px; font-size: 14px; color: #888; text-align: center; }
#timer { font-family: 'Courier New', Courier, monospace; font-weight: bold; color: white; background: #1a1a1a86; padding: 5px 10px; border-radius: 5px; border: 1px solid #333; letter-spacing: 2px; }
#hintDisplay { text-align: center; font-weight: bold; }

::-webkit-scrollbar { width: 0px; }

body.rezero-page { background-image: url('img/rezero-bg.jpg'); background-position: center center; }
body.konosuba-page { background-image: url('img/konosuba-bg.jpg'); background-position: center center; }
body.mushuku-page { background-image: url('img/mushuku-bg.jpg'); background-position: center center; }
body.yuri-page { background-image: url('img/yuri-bg.jpg'); background-position: center center; }
body.helldivers-page { background-image: url('img/helldivers-bg.jpg'); background-position: center center; }
body.umamusume-page { background-image: url('img/umamusume-bg.jpg'); background-position: center center; }
body.f1-page { background-image: url('img/f1-bg.jpg'); background-position: center center; }

.landing-page {
    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    scroll-snap-align: start;
}

.choice-btn {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    color: white;
    font-size: 2rem;
    transition: flex 0.4s ease, filter 0.4s ease, transform 0.4s ease;
    background-size: cover;
    background-position: center;
    position: relative;
}

.choice-btn::after {
    content: attr(data-text);
    font-size: 2.2rem;
    font-weight: bold;
    letter-spacing: 1px;
    color: white;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
    background: rgba(0, 0, 0, 0.35);
    padding: 15px 30px;
    border-radius: 50px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: transform 0.3s ease, background 0.3s ease;
    text-align: center;
}

.choice-btn:hover {
    flex: 1.4;
    filter: brightness(1.25);
    z-index: 10;
}

.choice-btn:hover::after {
    transform: scale(1.1);
    background: rgba(0, 0, 0, 0.6);
}

.choice-btn:nth-child(1) { clip-path: polygon(0 0, 100% 0, 93% 100%, 0% 100%); z-index: 4; }
.choice-btn:nth-child(2) { clip-path: polygon(7% 0, 100% 0, 93% 100%, 0% 100%); margin-left: -3%; z-index: 3; }
.choice-btn:nth-child(3) { clip-path: polygon(7% 0, 100% 0, 93% 100%, 0% 100%); margin-left: -3%; z-index: 2; }
.choice-btn:nth-child(4) { clip-path: polygon(7% 0, 100% 0, 100% 100%, 0% 100%); margin-left: -3%; z-index: 1; }

.choice-btn.rezero { background-image: url('img/rezero-bg.jpg'); background-position: 80% 50%; }
.choice-btn.mushoku { background-image: url('img/mushuku-bg.jpg'); background-position: 80% 50%; }
.choice-btn.konosuba { background-image: url('img/konosuba-bg.jpg'); background-position: 80% 50%; }
.choice-btn.yuri { background-image: url('img/yuri-bg.jpg'); background-position: 50% 50%; }

.choice-btn.helldivers { 
    background-image: url('img/helldivers-bg.jpg'); 
    background-position: 25% 50%; 
    background-size: cover; 
}

.choice-btn.umamusume { 
    background-image: url('img/umamusume-bg.jpg'); 
    background-position: 15% 50%; 
    background-size: cover; 
}

.choice-btn.f1 { 
    background-image: url('img/f1-bg.jpg'); 
    background-position: 40% 50%; 
    background-size: cover; 
}

.choice-btn.custom { 
    background-image: url('img/all1-b.jpg'); 
    background-position: 50% 50%; 
    background-size: cover; 
}

@media screen and (max-width: 768px) {
    .landing-page {
        flex-direction: column;
        height: 100vh;
    }

    .choice-btn {
        width: 100%;
        margin-left: 0 !important;
        flex: 1;
        clip-path: none !important;
    }

    .scroll-nav {
        right: 12px;
    }

    .scroll-nav button {
        width: 38px;
        height: 38px;
        font-size: 1rem;
    }
}