body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    position: relative;
    max-width: 100vw;
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.9), transparent 32%),
        radial-gradient(circle at 88% 14%, rgba(220, 229, 210, 0.78), transparent 24%),
        linear-gradient(135deg, #f6ddd7 0%, #f5e8e0 48%, #dce4d3 100%);
    font-size: 12px;
    color: #5d4d49;
    overflow-x: hidden;
    overflow-y: auto
}

body::before,
body::after {
    content: "";
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    filter: blur(10px);
    z-index: 0;
}

body::before {
    width: 280px;
    height: 280px;
    top: 7%;
    right: -86px;
    background: rgba(255, 255, 255, 0.28);
}

body::after {
    width: 240px;
    height: 240px;
    left: -68px;
    bottom: 8%;
    background: rgba(221, 230, 210, 0.34);
}

#mainDiv {
    width: 100%;
    max-width: 100vw;
    min-height: 100vh;
    position: relative;
    z-index: 1;
    overflow-x: hidden
}

#content {
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 24px;
    width: 1280px;
    margin: 110px auto 40px
}

#loveHeart {
    box-sizing: border-box;
    float: none;
    order: 1;
    flex: 0 0 790px;
    width: 790px;
    height: 700px;
    position: relative;
    border-radius: 32px;
    overflow: hidden;
    background:
        radial-gradient(circle at 20% 18%, rgba(255, 255, 255, 0.96), transparent 24%),
        radial-gradient(circle at 78% 16%, rgba(248, 223, 231, 0.58), transparent 26%),
        radial-gradient(circle at 78% 76%, rgba(222, 232, 214, 0.34), transparent 28%),
        linear-gradient(145deg, rgba(255, 255, 255, 0.84), rgba(251, 245, 242, 0.78) 48%, rgba(244, 247, 240, 0.82));
    border: 1px solid rgba(122, 101, 96, 0.14);
    box-shadow: 0 26px 60px rgba(103, 77, 74, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.7);
    isolation: isolate
}

#loveHeart::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.08)),
        radial-gradient(circle at 50% 38%, rgba(255, 245, 247, 0.22), transparent 44%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
    pointer-events: none;
    z-index: 1
}

#loveHeart::after {
    content: "";
    position: absolute;
    width: 560px;
    height: 560px;
    top: 26px;
    left: 116px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.5) 0%, rgba(255, 238, 242, 0.18) 42%, transparent 74%);
    filter: blur(16px);
    pointer-events: none;
    z-index: 2
}

#garden {
    position: absolute;
    inset: 0;
    z-index: 0;
    background-image:
        linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(255, 250, 248, 0.12) 36%, rgba(255, 255, 255, 0.08) 100%),
        radial-gradient(circle at 50% 46%, rgba(255, 255, 255, 0.76) 0%, rgba(255, 255, 255, 0.48) 18%, rgba(255, 255, 255, 0.12) 42%, rgba(255, 255, 255, 0) 68%),
        url("../images/love-heart-desktop.jpg");
    background-size: cover;
    background-position: center 42%;
    background-repeat: no-repeat;
    pointer-events: none;
    transform: translateZ(0)
}

#garden::before,
#garden::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none
}

#garden::before {
    background:
        radial-gradient(circle at 50% 44%, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0.14) 26%, rgba(255, 255, 255, 0) 56%),
        linear-gradient(135deg, rgba(255, 249, 246, 0.16), rgba(221, 230, 212, 0.08) 100%)
}

#garden::after {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.12), transparent 20%, transparent 80%, rgba(255, 255, 255, 0.12)),
        radial-gradient(circle at 12% 22%, rgba(255, 245, 244, 0.26), transparent 24%),
        radial-gradient(circle at 86% 74%, rgba(221, 230, 212, 0.2), transparent 24%)
}

#elapseClock {
    text-align: center;
    font-size: 14px;
    margin-top: 10px;
    margin-bottom: 0;
    letter-spacing: 0.04em;
    color: #6a625e
}

#words {
    font-family: "Cormorant Garamond", "STSong", "Songti SC", serif;
    width: 560px;
    font-size: 24px;
    color: #5f5551;
    text-align: center;
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.35);
    z-index: 3
}

#messages {
    display: none;
    padding: 18px 24px 16px;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.62);
    border: 1px solid rgba(255, 255, 255, 0.34);
    box-shadow: 0 16px 34px rgba(103, 77, 74, 0.06)
}

#messages .message-title {
    font-size: 19px;
    line-height: 1.35;
    color: #625753
}

#elapseClock .digit {
    font-family: "digit";
    font-size: 30px;
    color: #6c6763
}

#elapseClock .unit {
    margin-left: 6px;
    font-size: 18px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(108, 103, 99, 0.82)
}

#loveu {
    padding: 0;
    font-size: 28px;
    margin-top: 22px;
    margin-right: 0;
    text-align: center;
    color: #655753;
    display: none
}

#loveu .love-days-label {
    font-size: 24px;
    line-height: 1.2;
    color: #5f5551
}

#togetherClock {
    margin-top: 10px;
    line-height: 1;
}

#togetherClock .digit {
    font-family: "digit";
    font-size: 82px;
    color: #5d4d49
}

#togetherClock .unit {
    margin-left: 8px;
    font-size: 30px;
    color: rgba(93, 77, 73, 0.84)
}

#loveu .signature {
    margin-top: 12px;
    font-size: 16px;
    letter-spacing: 0.08em;
    color: rgba(101, 87, 83, 0.78)
}

#clickSound {
    display: none
}

#code {
    box-sizing: border-box;
    float: none;
    order: 2;
    flex: 0 0 460px;
    width: 460px;
    height: 700px;
    min-height: 700px;
    padding: 28px 30px;
    margin-top: 0 !important;
    color: #5d4d49;
    font-family: "Consolas", "Monaco", "Bitstream Vera Sans Mono", "Courier New", "sans-serif";
    font-size: 14px;
    line-height: 1.42;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(122, 101, 96, 0.14);
    border-radius: 32px;
    box-shadow: 0 26px 60px rgba(103, 77, 74, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.55);
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.3);
    overflow: hidden
}

#code .string {
    color: #6f789f
}

#code .keyword {
    color: #8e6079;
    font-weight: bold
}

#code .placeholder {
    margin-left: 18px
}

#code .space {
    margin-left: 7px
}

#code .comments {
    color: #6f8a73
}

#copyright {
    margin-top: 40px;
    text-align: center;
    width: 100%;
    color: #666
}

#errorMsg {
    width: 100%;
    text-align: center;
    font-size: 24px;
    position: absolute;
    top: 100px;
    left: 0;
    color: #5d4d49
}

#copyright a {
    color: #666
}

@media (max-width: 1380px) {
    #content {
        width: 1190px;
        gap: 20px
    }

    #code {
        flex-basis: 430px;
        width: 430px
    }

    #loveHeart {
        flex-basis: 740px;
        width: 740px;
        height: 670px
    }

    #loveHeart::after {
        width: 510px;
        height: 510px;
        top: 28px;
        left: 112px
    }
}

@media (max-width: 1240px) {
    #content {
        width: calc(100% - 40px);
        max-width: 820px;
        flex-direction: column;
        margin-top: 100px
    }

    #code,
    #loveHeart {
        width: 100%;
        flex-basis: auto
    }

    #loveHeart {
        height: 680px
    }

    #code {
        height: auto;
        min-height: 700px
    }

    #loveHeart::after {
        left: 50%;
        transform: translateX(-50%)
    }
}

@media (max-width: 767px) {
    body {
        font-size: 11px;
        max-width: 100%;
        overflow-x: hidden
    }

    body::before {
        width: 220px;
        height: 220px;
        right: -92px;
        top: 4%
    }

    body::after {
        width: 190px;
        height: 190px;
        left: -82px;
        bottom: 4%
    }

    #mainDiv {
        padding-bottom: 1px;
        max-width: 100%;
        overflow-x: hidden
    }

    #content {
        width: calc(100% - 24px);
        max-width: 100%;
        margin: 18px auto 18px;
        gap: 16px
    }

    #loveHeart,
    #code {
        width: 100%;
        max-width: 100%;
        border-radius: 26px;
        box-shadow: 0 18px 42px rgba(103, 77, 74, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.55);
        box-sizing: border-box
    }

    #loveHeart {
        order: 1;
        height: min(96vw, 470px);
        min-height: 360px
    }

    #loveHeart::after {
        width: min(76vw, 320px);
        height: min(76vw, 320px);
        top: 18px;
        left: 50%;
        transform: translateX(-50%)
    }

    #garden {
        background-image:
            linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 250, 248, 0.12) 36%, rgba(255, 255, 255, 0.08) 100%),
            radial-gradient(circle at 50% 43%, rgba(255, 255, 255, 0.76) 0%, rgba(255, 255, 255, 0.44) 18%, rgba(255, 255, 255, 0.12) 42%, rgba(255, 255, 255, 0) 72%),
            url("../images/love-heart-mobile.jpg");
        background-position: center 30%
    }

    #words {
        width: calc(100% - 32px);
        max-width: 330px;
        font-size: 16px
    }

    #messages {
        padding: 14px 14px 12px;
        border-radius: 22px
    }

    #messages .message-title {
        font-size: 14px;
        line-height: 1.45
    }

    #elapseClock {
        font-size: 12px;
        margin-top: 8px
    }

    #elapseClock .digit {
        font-size: 24px
    }

    #elapseClock .unit {
        margin-left: 4px;
        font-size: 13px
    }

    #loveu {
        margin-top: 14px;
        font-size: 18px
    }

    #loveu .love-days-label {
        font-size: 18px
    }

    #togetherClock {
        margin-top: 8px
    }

    #togetherClock .digit {
        font-size: 52px
    }

    #togetherClock .unit {
        margin-left: 6px;
        font-size: 22px
    }

    #loveu .signature {
        margin-top: 8px;
        font-size: 12px;
        letter-spacing: 0.06em
    }

    #code {
        order: 2;
        height: auto;
        min-height: 0;
        padding: 18px 18px 20px;
        font-size: 12px;
        line-height: 1.52;
        overflow: hidden
    }

    #code .placeholder {
        margin-left: 14px
    }
}