/* CSS 변수 */
@property --angle-1 {
    syntax: "<angle>";
    inherits: false;
    initial-value: -75deg;
}
@property --angle-2 {
    syntax: "<angle>";
    inherits: false;
    initial-value: -45deg;
}

:root {
    --global--size: clamp(2rem, 4vw, 5rem);
    --anim--hover-time: 400ms;
    --anim--hover-ease: cubic-bezier(0.25, 1, 0.5, 1);
}

/* 버튼 그림자 공통 */
.alarm__wrap .button-shadow {
    --shadow-cuttoff-fix: 2em;
    position: absolute;
    width: calc(100% + var(--shadow-cuttoff-fix));
    height: calc(100% + var(--shadow-cuttoff-fix));
    top: calc(0% - var(--shadow-cuttoff-fix)/2);
    left: calc(0% - var(--shadow-cuttoff-fix)/2);
    filter: blur(clamp(2px, 0.125em, 12px));
    overflow: visible;
    pointer-events: none;
    transition: filter var(--anim--hover-time) var(--anim--hover-ease);
}

.alarm__wrap .button-shadow::after {
    content: "";
    position: absolute;
    z-index: 0;
    inset: 0;
    border-radius: 999vw;
    background: linear-gradient(180deg, rgba(0,0,0,0.2), rgba(0,0,0,0.1));
    width: calc(100% - var(--shadow-cuttoff-fix) - .25em);
    height: calc(100% - var(--shadow-cuttoff-fix) - .25em);
    top: calc(var(--shadow-cuttoff-fix) - .5em);
    left: calc(var(--shadow-cuttoff-fix) - .875em);
    padding: .125em;
    box-sizing: border-box;
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask-composite: exclude;
    opacity: 1;
    transition: all var(--anim--hover-time) var(--anim--hover-ease);
    display: none;
}

/*------------------------ 버튼 타입 1 --------------------------*/
.alarm__wrap .btn-type-1 button {
    --border-width: clamp(1px, 0.0625em, 4px);
    all: unset;
    cursor: pointer;
    position: relative;
    z-index: 3;
    background: linear-gradient(-75deg, rgba(255,255,255,0.05), rgba(255,255,255,0.2), rgba(255,255,255,0.05));
    border-radius: 999vw;
    box-shadow: inset 0 .125em .125em rgba(0,0,0,.05),
                inset 0 -.125em .125em rgba(255,255,255,.5),
                0 .25em .125em -.125em rgba(0,0,0,.2),
                0 0 .1em .25em inset rgba(255,255,255,.2);
    backdrop-filter: blur(clamp(1px, 0.125em, 4px));
    -webkit-backdrop-filter: blur(clamp(1px, 0.125em, 4px));
    transition: all var(--anim--hover-time) var(--anim--hover-ease);
    width: 100%;
}

.alarm__wrap .btn-type-1 button:hover {
    transform: scale(0.975);
    /* box-shadow: inset 0 .125em .125em rgba(0,0,0,.05),
                inset 0 -.125em .125em rgba(0, 71, 255, .5),
                0 .15em .05em -.1em rgba(0,0,0,.25),
                0 0 .05em .1em inset rgba(0, 71, 255, .5); */
    backdrop-filter: blur(0.01em);
}

.alarm__wrap .btn-type-1 button > span {
    position: relative;
    display: inline-flex;
    gap: 7px;
    align-items: center;
    user-select: none;
    /* font-size: 1.2rem; */
    font-weight: 700;
    color: #fff;
    text-shadow: 0em .25em .05em rgba(0,0,0,.1);
    transition: all var(--anim--hover-time) var(--anim--hover-ease);
    padding-inline: 1.5em;
    padding-block: .875em;
    width: 100%;
    justify-content: center;
}

.alarm__wrap .btn-type-1 button:hover span {
    text-shadow: .025em .025em .025em rgba(0,0,0,.12);
}

/* 버튼 span 효과 */
.alarm__wrap .btn-type-1 button > span::after {
    content: "";
    position: absolute;
    z-index: 1;
    width: calc(100% - var(--border-width));
    height: calc(100% - var(--border-width));
    top: calc(var(--border-width)/2);
    left: calc(var(--border-width)/2);
    border-radius: 999vw;
    background: linear-gradient(var(--angle-2), rgba(255,255,255,0) 0%, rgba(255,255,255,0.5) 40% 50%, rgba(255,255,255,0) 65%);
    mix-blend-mode: screen;
    pointer-events: none;
    background-size: 200% 200%;
    background-position: 0% 50%;
    background-repeat: no-repeat;
    transition: background-position calc(var(--anim--hover-time)*1.25) var(--anim--hover-ease),
                --angle-2 calc(var(--anim--hover-time)*1.25) var(--anim--hover-ease);
}

.alarm__wrap .btn-type-1 button:hover span::after {
    background: linear-gradient(var(--angle-2), rgba(255,255,255,0) 0%, rgba(19, 85, 255, 0.5) 40% 50%, rgba(19, 85, 255, 0.5) 65%);
    background-position: 25% 50%;
}

.alarm__wrap .btn-type-1 button:active span::after {
    background: linear-gradient(var(--angle-2), rgba(255,255,255,0) 0%, rgba(19, 85, 255, 0.5) 40% 50%, rgba(19, 85, 255, 0.5) 65%);
    background-position: 50% 15%;
    --angle-2: -15deg;
}

/* 버튼 conic-gradient 효과 */
.alarm__wrap .btn-type-1 button::after {
    content: "";
    position: absolute;
    z-index: 1;
    inset: 0;
    border-radius: 999vw;
    width: calc(100% + var(--border-width));
    height: calc(100% + var(--border-width));
    top: calc(-1 * var(--border-width)/2);
    left: calc(-1 * var(--border-width)/2);
    padding: var(--border-width);
    box-sizing: border-box;
    background: conic-gradient(from var(--angle-1) at 50% 50%, rgba(0,0,0,.5), rgba(0,0,0,0) 5% 40%, rgba(0,0,0,.5) 50%, rgba(0,0,0,0) 60% 95%, rgba(0,0,0,.5)), 
                linear-gradient(180deg, rgba(255,255,255,0.5), rgba(255,255,255,0.5));
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask-composite: exclude;
    box-shadow: inset 0 0 0 calc(var(--border-width)/2) rgba(255,255,255,.5);
    transition: all var(--anim--hover-time) var(--anim--hover-ease), --angle-1 500ms ease;
}

.alarm__wrap .btn-type-1 button:hover::after {
    --angle-1: -115deg;
}

.alarm__wrap .btn-type-1 button:active::after {
    --angle-1: -75deg;
}

/* 모바일/터치 환경 */
@media (hover: none) and (pointer: coarse) {
    .alarm__wrap .btn-type-1 button > span::after,
    .alarm__wrap .btn-type-1 button:active span::after {
        --angle-2: -45deg;
    }

    .alarm__wrap .btn-type-1 button::after,
    .alarm__wrap .btn-type-1 button:hover::after,
    .alarm__wrap .btn-type-1 button:active::after {
        --angle-1: -75deg;
    }

    .glass-btn:hover {
        transform: scale(0.98);
        background: linear-gradient(to bottom right, rgba(255,255,255,0.3), var(--glass-bg));
    }
}



/*------------------------ 버튼 타입 2 --------------------------*/
.alarm__wrap .btn-type-2 button {
    --border-width: clamp(1px, 0.0625em, 4px);
    all: unset;
    cursor: pointer;
    position: relative;
    z-index: 3;
    background: linear-gradient(-75deg, rgba(0,71,255,0.05), rgba(0,71,255,0.2), rgba(0,71,255,0.05));
    border-radius: 999vw;
    box-shadow: inset 0 .125em .125em rgba(0,0,0,.05),
                inset 0 -.125em .125em rgba(0,71,255,.5),
                0 .25em .125em -.125em rgba(0,0,0,.2),
                0 0 .1em .25em inset rgba(0,71,255,.2);
    backdrop-filter: blur(clamp(1px, 0.125em, 4px));
    -webkit-backdrop-filter: blur(clamp(1px, 0.125em, 4px));
    transition: all var(--anim--hover-time) var(--anim--hover-ease);
}

.alarm__wrap .btn-type-2 button:hover {
    transform: scale(0.975);
    box-shadow: inset 0 .125em .125em rgba(0,0,0,.05),
                inset 0 -.125em .125em rgba(0,71,255,.5),
                0 .15em .05em -.1em rgba(0,0,0,.25),
                0 0 .05em .1em inset rgba(0,71,255,.5);
    backdrop-filter: blur(0.01em);
}

.alarm__wrap .btn-type-2 button span {
    position: relative;
    display: inline-flex;
    gap: 7px;
    align-items: center;
    user-select: none;
    /* font-size: 1.2rem; */
    font-weight: 700;
    color: #0047FF;
    text-shadow: 0em .25em .05em rgba(0,0,0,.1);
    transition: all var(--anim--hover-time) var(--anim--hover-ease);
    padding-inline: 1.5em;
    padding-block: .875em;
}

.alarm__wrap .btn-type-2 button:hover span {
    text-shadow: .025em .025em .025em rgba(0,0,0,.12);
}

/* 버튼 span 효과 */
.alarm__wrap .btn-type-2 button span::after {
    content: "";
    position: absolute;
    z-index: 1;
    width: calc(100% - var(--border-width));
    height: calc(100% - var(--border-width));
    top: calc(var(--border-width)/2);
    left: calc(var(--border-width)/2);
    border-radius: 999vw;
    background: linear-gradient(var(--angle-2), rgba(0,71,255,0) 0%, rgba(0,71,255,0.5) 40% 50%, rgba(0,71,255,0) 65%);
    mix-blend-mode: screen;
    pointer-events: none;
    background-size: 200% 200%;
    background-position: 0% 50%;
    background-repeat: no-repeat;
    transition: background-position calc(var(--anim--hover-time)*1.25) var(--anim--hover-ease),
                --angle-2 calc(var(--anim--hover-time)*1.25) var(--anim--hover-ease);
}

.alarm__wrap .btn-type-2 button:hover span::after {
    background-position: 25% 50%;
}

.alarm__wrap .btn-type-2 button:active span::after {
    background-position: 50% 15%;
    --angle-2: -15deg;
}

/* 버튼 conic-gradient 효과 */
.alarm__wrap .btn-type-2 button::after {
    content: "";
    position: absolute;
    z-index: 1;
    inset: 0;
    border-radius: 999vw;
    width: calc(100% + var(--border-width));
    height: calc(100% + var(--border-width));
    top: calc(-1 * var(--border-width)/2);
    left: calc(-1 * var(--border-width)/2);
    padding: var(--border-width);
    box-sizing: border-box;
    background: conic-gradient(from var(--angle-1) at 50% 50%, rgba(0,71,255,.5), rgba(0,71,255,0) 5% 40%, rgba(0,71,255,.5) 50%, rgba(0,71,255,0) 60% 95%, rgba(0,71,255,.5)), 
                linear-gradient(180deg, rgba(0,71,255,0.5), rgba(0,71,255,0.5));
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask-composite: exclude;
    box-shadow: inset 0 0 0 calc(var(--border-width)/2) rgba(0,71,255,.5);
    transition: all var(--anim--hover-time) var(--anim--hover-ease), --angle-1 500ms ease;
}

.alarm__wrap .btn-type-2 button:hover::after {
    --angle-1: -115deg;
}

.alarm__wrap .btn-type-2 button:active::after {
    --angle-1: -75deg;
}

/* 모바일/터치 환경 */
@media (hover: none) and (pointer: coarse) {
    .alarm__wrap .btn-type-2 button span::after,
    .alarm__wrap .btn-type-2 button:active span::after {
        --angle-2: -45deg;
    }

    .alarm__wrap .btn-type-2 button::after,
    .alarm__wrap .btn-type-2 button:hover::after,
    .alarm__wrap .btn-type-2 button:active::after {
        --angle-1: -75deg;
    }

    .glass-btn:hover {
        transform: scale(0.98);
        background: linear-gradient(to bottom right, rgba(0,71,255,0.3), var(--glass-bg));
    }
}