@font-face{font-family:Poppins;font-style:normal;font-weight:400;src:url(https://fonts.gstatic.com/s/poppins/v24/pxiEyp8kv8JHgFVrJJbecmNE.woff2) format('woff2');unicode-range:U+0900-097F,U+1CD0-1CF9,U+200C-200D,U+20A8,U+20B9,U+20F0,U+25CC,U+A830-A839,U+A8E0-A8FF,U+11B00-11B09}@font-face{font-family:Poppins;font-style:normal;font-weight:400;src:url(https://fonts.gstatic.com/s/poppins/v24/pxiEyp8kv8JHgFVrJJnecmNE.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Poppins;font-style:normal;font-weight:400;src:url(https://fonts.gstatic.com/s/poppins/v24/pxiEyp8kv8JHgFVrJJfecg.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

body {
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    user-select: none;
}

body {
    margin: 0;
    padding: 0;
    background: url("https://images.unsplash.com/photo-1676293963711-81a26ea79971?q=80&w=1632&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D");
    background-size: 100%;
    background-repeat: no-repeat;
    height: 100vh;
}

* {
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

.glass-container {
    width: 100%;
    height: 100%;
    position: relative; /* 드래그에 필요 */
}

.glass {
    width: 500px;
    height: 175px;
    position: absolute;
    cursor: grab;
    transition: .1s ease;
}

.glass::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;

    background: linear-gradient(
        135deg,
        rgba(255,255,255,0.25) 0%,
        rgba(255,255,255,0.03) 30%,
        rgba(255,255,255,0.0) 70%
    );
    mix-blend-mode: soft-light;
    pointer-events: none;
}


.glass {
    width: 510px;
    height: 175px;
    position: absolute;
    padding: 10px 20px;
    cursor: grab;
    transition: .1s ease;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(18px) saturate(125%);
    -webkit-backdrop-filter: blur(18px) saturate(125%);

    box-shadow:
        inset 0 0 1px rgba(255, 255, 255, 0.55),  /* 가장자리 밝은 하이라이트 */
        inset 0 0 6px rgba(255, 255, 255, 0.15),  /* 얕은 굴절 */
        inset 0 -2px 4px rgba(255, 255, 255, 0.08), /* 아래쪽 두께 */
        inset 0 2px 4px rgba(0, 0, 0, 0.12),       /* 그림자(볼록감) */
        0 8px 18px rgba(0, 0, 0, 0.25);           /* 외부 그림자(약하게) */

    border: 1px solid rgba(255, 255, 255, 0.22); /* 유리 edge */
}