.heart-archive{

    position:fixed;
    inset:0;

    display:none;

    justify-content:center;
    align-items:center;
    flex-direction:column;

    overflow:hidden;

    text-align:center;

    z-index:500;

    background:
        linear-gradient(
            rgba(0,0,0,.25),
            rgba(0,0,0,.75)
        ),
        url("https://pub-bf59e4faf5904fc0875492866e65f840.r2.dev/assets/Images/spiderverse.jpg");

    background-size:cover;
    background-position:center;
}

.heart-archive > *{

    position:relative;
    z-index:1;

}

.heart-content{

    position:relative;

    z-index:2;

    width:min(850px,90vw);

    text-align:center;

    color:rgb(241, 8, 233);

}

.heart-poem.hidden{

    display:none;

}
.heart-container{

    width:min(900px,90vw);

    margin:auto;

    text-align:center;

    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;

}

.entry-number{

    font-size:15px;

    letter-spacing:8px;

    text-transform:uppercase;

    color:#9ef8e3;

    margin-bottom:25px;

}

#entryTitle{

    font-size:clamp(4rem,7vw,7rem);

    font-weight:800;

    line-height:1;

    letter-spacing:-2px;

    margin-bottom:20px;

}

.entry-date{

    font-size:18px;

    letter-spacing:3px;

    color:#d9d9d9;

    margin-bottom:60px;

}

.poem-content{

    max-width:900px;

    font-size:1.45rem;

    line-height:2.2;

    white-space:pre-line;

    margin-bottom:70px;

}

.heart-controls{

    width:100%;
    max-width:850px;

    display:flex;

    justify-content:space-between;

    align-items:center;

    margin-top:60px;

}

.heart-controls button{

    display:flex;
    align-items:center;
    gap:10px;

    padding:16px 34px;

    border:1px solid rgba(255,255,255,.18);
    border-radius:999px;

    background:rgba(15,15,20,.55);
    backdrop-filter:blur(14px);

    color:#F5F5F5;

    font-size:13px;
    font-weight:600;
    letter-spacing:3px;
    text-transform:uppercase;

    cursor:pointer;

    transition:
        background .35s,
        border-color .35s,
        transform .35s,
        box-shadow .35s;

}

.heart-controls button:hover{

    transform:translateY(-2px);

    border-color:rgba(255,255,255,.35);

    background:rgba(30,30,35,.8);

    box-shadow:
        0 12px 30px rgba(0,0,0,.35);

}

.heart-controls button:active{

    transform:translateY(0);

}

#poemCounter{

    font-size:13px;

    letter-spacing:4px;

    color:rgba(255,255,255,.75);

    text-transform:uppercase;

}

.heart-back-button{

    background:transparent;

    border:1px solid rgba(233, 7, 203, 0.4);

    color:rgba(229, 9, 196, 0.873);

    padding:12px 24px;

    border-radius:30px;

    transition:.3s;

}
.heart-back-button:hover{

    background:rgb(239, 5, 239);

    color:black;

}   
#beginHeartArchive{

    margin-top:50px;

    padding:18px 55px;

    border:none;

    border-radius:50px;

    background:rgb(232, 6, 228);

    color:black;

    font-weight:700;

    font-size:18px;

    cursor:pointer;

    transition:.35s;

}
#beginHeartArchive:hover{

    transform:scale(1.06);

}
h1{

    animation:fadeUp 1s ease forwards;

}

.heart-intro-text{

    animation:fadeUp 1.4s ease forwards;

}

#beginHeartArchive{

    animation:fadeUp 1.8s ease forwards;

}
.heart-archive.open{

    display:flex;

}
/* ===============================
   CHAPTER TRANSITIONS
================================ */

.mission-interface{

    transition:
        opacity .8s ease,
        transform .8s ease,
        filter .8s ease;

}

.mission-interface.fade-out{

    opacity:0;

    transform:scale(.96);

    filter:blur(8px);

    pointer-events:none;

}


/* Heart Archive */

.heart-archive{

    display:none;

    opacity:0;

}

.heart-archive.open{

    display:flex;

    animation:heartArchiveFade 1s ease forwards;

}


@keyframes heartArchiveFade{

    0%{

        opacity:0;

        transform:scale(1.03);

        filter:blur(10px);

    }

    100%{

        opacity:1;

        transform:scale(1);

        filter:blur(0);

    }

}
.heart-archive,
.heart-archive.closing{
    display:none;
    opacity:0;
}

.heart-archive.open,
.heart-archive.closing{
    display:flex; /* both need to render for the fade to be visible */
}

.heart-archive.open{
    animation: heartArchiveFade .9s ease forwards;
}

.heart-archive.closing{
    animation: heartArchiveFadeOut .8s ease forwards;
}

@keyframes heartArchiveFadeOut{
    0%{
        opacity:1;
        transform:scale(1);
        filter:blur(0);
    }
    100%{
        opacity:0;
        transform:scale(1.03);
        filter:blur(10px);
    }
}
.close-heart{

    position:fixed; /* anchors to the viewport, not the centered container */

    top:32px;
    left:32px;

    z-index:20; /* sits above the poem text and background */

    display:inline-flex;
    align-items:center;
    gap:10px;

    padding:14px 32px;

    border:1px solid rgba(255,255,255,.35);
    border-radius:999px;

    background:rgba(0,0,0,.35);
    backdrop-filter:blur(6px);

    color:#fff;

    font-family:"Space Mono",monospace;
    font-size:13px;
    font-weight:600;
    letter-spacing:1.5px;
    text-transform:uppercase;

    cursor:pointer;

    transition:.35s ease;

}

.close-heart::before{

    content:"←";

    font-size:16px;

    transition:transform .3s ease;

}

.close-heart:hover{

    background:rgba(255,255,255,.9);
    color:#000;

    border-color:transparent;

    transform:translateY(-2px);

    box-shadow:0 8px 24px rgba(0,0,0,.35);

}

.close-heart:hover::before{

    transform:translateX(-4px);

}

.close-heart:active{

    transform:translateY(0) scale(.97) translateY(-2px); /* keeps hover lift while pressed */

}