:root {
    --myuki-icon-light-1: rgba(60, 60, 67);
    --myuki-icon-light-2: rgba(60, 60, 67, .75);
    --myuki-icon-dark-1: rgba(255, 255, 245, .86);
    --myuki-icon-dark-2: rgba(235, 235, 245, .6);
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --text-dark: #2f3542;
    --text-light: #f1f2f6;
    --text-muted: #747d8c;
    --blur-radius: 5px;
    --transition-duration: 0.3s;
}

body {
    margin: 0;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-image: url('/jpg/background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.5;
    transition: opacity var(--transition-duration) ease;
}

.darkmode #particle-canvas {
    opacity: 0.8;
    filter: brightness(0.6);
}

.myuki-gcard_mask {
    position: fixed;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: baseline;
    transition: all var(--transition-duration) ease;
    z-index: 9999;
    box-sizing: border-box;
}

.myuki-gcard_mask.hidden {
    display: none;
}

.blur {
    filter: blur(var(--blur-radius));
}

.myuki-gcard_box {
    min-width: 320px;
    max-width: 480px;
    box-sizing: border-box;
    margin: 10% auto 0;
    background-color: var(--text-light);
    padding: 32px;
    border-radius: 16px;
    z-index: inherit;
    animation: swing-in-top-fwd 1s cubic-bezier(0.175, 0.885, 0.320, 1.275) both;
}

.myuki-gcard_box.closed {
    animation: swing-out-top-bck 0.6s cubic-bezier(0.600, -0.280, 0.735, 0.045) both;
}

.myuki-gcard_icon {
    margin: 0 auto 8px;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    overflow: hidden;
    transition: all calc(var(--transition-duration) + 0.1s) ease-in-out;
}

.myuki-gcard_icon:hover {
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.6);
    transform: rotate(360deg);
}

.myuki-gcard_icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.myuki-gcard_title {
    font-size: 1.3em;
    font-weight: bold;
    text-align: center;
    color: var(--text-dark);
    animation: tracking-in-expand 0.7s cubic-bezier(0.215, 0.610, 0.355, 1.000) both;
}

.myuki-gcard_info {
    text-align: center;
    color: var(--text-muted);
    font-size: .8em;
    animation: tracking-in-contract 0.8s cubic-bezier(0.215, 0.610, 0.355, 1.000) both;
    margin: 4px auto;
}

.myuki-gcard_hitokoto {
    color: #70a1ff;
}

.myuki-gcard_runtime {
    margin-top: 12px;
    text-align: center;
    font-size: 0.85em;
    color: #ff6b81;
}

.myuki-gcard_box.darkmode .myuki-gcard_runtime {
    color: #ff9aa2;
}

.myuki-gcard_btn-list {
    padding: 8px;
    white-space: nowrap;
}

.myuki-gcard_btn {
    display: block;
    position: relative;
    text-align: center;
    text-decoration: none;
    color: white;
    background-color: var(--secondary-color);
    border-radius: 8px;
    margin-bottom: 4px;
    cursor: pointer;
    white-space: nowrap;
    border: none;
    outline: none;
    transition: all var(--transition-duration) ease-in-out;
    font-size: 1em;
    padding: 8px;
    overflow: hidden;
}

.myuki-gcard_btn:hover {
    background-image: linear-gradient(90deg, #00C0FF 0%, #FFCF00 49%, #FC4F4F 80%, #00C0FF 100%);
    animation: slidebg 2s linear infinite;
}

.btn-primary {
    background-color: var(--primary-color);
}

.btn-primary:hover {
    box-shadow: 0 0 8px var(--primary-color);
}

.btn-success {
    background-color: var(--success-color);
}

.btn-success:hover {
    box-shadow: 0 0 8px var(--success-color);
}

.btn-info {
    background-color: var(--info-color);
}

.btn-info:hover {
    box-shadow: 0 0 8px var(--info-color);
}

.btn-close {
    background-color: var(--text-light);
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
}

.btn-close:hover {
    background: var(--secondary-color);
    color: white;
}

.myuki-gcard_mini {
    position: fixed;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    overflow: hidden;
    transition: all calc(var(--transition-duration) + 0.1s) ease-in-out;
    bottom: 0;
    left: 50%;
    transform: translate(-50%, 100%);
    cursor: pointer;
    z-index: 9999;
}

.myuki-gcard_mini.shown {
    transform: translate(-50%, 0);
}

.myuki-gcard_mini:hover {
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.6);
    transform: translate(-50%, 0) rotate(360deg);
}

.myuki-gcard_mini img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.myuki-gcard_icon-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 4px 0;
}

.myuki-gcard_icon-item {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    width: 32px;
    height: 32px;
    margin: 0 4px;
    color: var(--myuki-icon-light-2);
    transition: color var(--transition-duration) ease;
    text-decoration: none;
}

.myuki-gcard_icon-item:hover {
    color: var(--myuki-icon-light-1);
    animation: jello 1s infinite;
}

.myuki-gcard_box.darkmode {
    background-color: var(--text-dark);
}

.myuki-gcard_box.darkmode .myuki-gcard_title {
    color: rgba(255, 255, 255, 0.7);
}

.myuki-gcard_box.darkmode .myuki-gcard_info {
    color: rgba(255, 255, 255, 0.5);
}

.myuki-gcard_box.darkmode .myuki-gcard_icon:hover {
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
}

.myuki-gcard_box.darkmode .btn-close {
    background-color: #a4b0be;
    color: rgba(255, 255, 255, 0.8);
}

.myuki-gcard_box.darkmode .myuki-gcard_icon-item {
    color: var(--myuki-icon-dark-2);
}

.myuki-gcard_box.darkmode .myuki-gcard_icon-item:hover {
    color: var(--myuki-icon-dark-1);
}

@media (max-width: 768px) {
    .myuki-gcard_box {
        width: 80%;
        min-width: 80%;
        max-width: 80%;
    }
    .myuki-gcard_runtime {
        font-size: 0.75em;
    }
}

@keyframes slidebg {
    to {
        background-position: 20vw;
    }
}

@keyframes tracking-in-expand {
    0% {
        letter-spacing: -0.5em;
        opacity: 0;
    }
    40% {
        opacity: 0.6;
    }
    100% {
        opacity: 1;
    }
}

@keyframes tracking-in-contract {
    0% {
        letter-spacing: 1em;
        opacity: 0;
    }
    40% {
        opacity: 0.6;
    }
    100% {
        letter-spacing: normal;
        opacity: 1;
    }
}

@keyframes swing-out-top-bck {
    0% {
        transform: rotateX(0deg);
        transform-origin: top;
        opacity: 1;
    }
    100% {
        transform: rotateX(-120deg);
        transform-origin: top;
        opacity: 0;
    }
}

@keyframes swing-in-top-fwd {
    0% {
        transform: rotateX(-140deg);
        transform-origin: top;
        opacity: 0;
    }
    100% {
        transform: rotateX(0deg);
        transform-origin: top;
        opacity: 1;
    }
}

@keyframes jello {
    0%, 11.1%, to {
        transform: translateZ(0)
    }
    22.2% {
        transform: skewX(-12.5deg) skewY(-12.5deg)
    }
    33.3% {
        transform: skewX(6.25deg) skewY(6.25deg)
    }
    44.4% {
        transform: skewX(-3.125deg) skewY(-3.125deg)
    }
    55.5% {
        transform: skewX(1.5625deg) skewY(1.5625deg)
    }
    66.6% {
        transform: skewX(-.78125deg) skewY(-.78125deg)
    }
    77.7% {
        transform: skewX(.390625deg) skewY(.390625deg)
    }
    88.8% {
        transform: skewX(-.1953125deg) skewY(-.1953125deg)
    }
}