.tmn-ambient {
    --tmn-ambient-inset: 54px;
    --tmn-ambient-travel: calc(100vh + 2 * var(--tmn-ambient-inset));
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
    color: #9fa3a0;
}

@supports (height: 100lvh) {
    .tmn-ambient { --tmn-ambient-travel: calc(100lvh + 2 * var(--tmn-ambient-inset)); }
}

.tmn-main, .tmn-footer { position: relative; z-index: 1; }

.tmn-ambient-icon {
    position: absolute;
    top: calc(0px - var(--tmn-ambient-inset));
    width: var(--tmn-ambient-size);
    height: var(--tmn-ambient-size);
    margin-inline-start: calc(var(--tmn-ambient-size) / -2);
    opacity: 0;
    animation: tmn-ambient-fall var(--tmn-ambient-duration) linear var(--tmn-ambient-delay) infinite;
}

.tmn-ambient-icon[data-tmn-accent] { color: var(--tmn-ambient-accent); }
.tmn-ambient-icon[data-tmn-signature] { animation-iteration-count: 1; animation-fill-mode: both; }

.tmn-ambient-glyph {
    display: block;
    width: 100%;
    height: 100%;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.35;
    stroke-linecap: round;
    stroke-linejoin: round;
    filter: blur(var(--tmn-ambient-blur));
    transform-origin: center;
    transform: translate(var(--tmn-ambient-away-x, 0px), var(--tmn-ambient-away-y, 0px));
    transition: transform .24s ease-out;
}

.tmn-ambient-burst { position: absolute; }

.tmn-ambient-particle {
    position: absolute;
    top: 0;
    left: 0;
    width: var(--tmn-particle-size);
    height: 1px;
    margin-left: calc(var(--tmn-particle-size) / -2);
    border-radius: 999px;
    background: currentColor;
    filter: blur(var(--tmn-particle-blur));
}

.tmn-ambient-burst[data-tmn-smoke] .tmn-ambient-particle {
    height: var(--tmn-particle-size);
    margin-top: calc(var(--tmn-particle-size) / -2);
}

.tmn-ambient[data-tmn-paused] .tmn-ambient-icon { animation-play-state: paused; }
.tmn-ambient[data-tmn-paused] .tmn-ambient-glyph { transition: none; }

@keyframes tmn-ambient-fall {
    0% { opacity: 0; transform: translate3d(0, 0, 0) rotate(var(--tmn-ambient-angle)); }
    9%, 91% { opacity: var(--tmn-ambient-opacity); }
    50% {
        transform: translate3d(var(--tmn-ambient-sway), calc(var(--tmn-ambient-travel) / 2), 0) rotate(var(--tmn-ambient-angle));
    }
    100% {
        opacity: 0;
        transform: translate3d(var(--tmn-ambient-drift), var(--tmn-ambient-travel), 0) rotate(var(--tmn-ambient-turn));
    }
}

@media (prefers-reduced-motion: reduce) {
    .tmn-ambient { display: none; }
    .tmn-ambient-icon { animation: none; }
}