/* Autumn 2026 decorations. Shared event chrome is in event_season.css. */

.autumn-leaves,
.autumn-brand-mark {
    display: none;
}

html.event-autumn-season body.site-app .season-event-btn {
    background: #ffe4c4;
    color: #9a3412;
    border: 1px solid #f3c98a;
}

html.event-autumn-season .season-event-btn:hover {
    background: #ffd7a8;
}

html.event-autumn-season body.site-app.dark-mode .season-event-btn {
    background: #8f3d12;
    color: #fff4e8;
    border-color: #b45309;
}

html.event-autumn-season body.site-app.dark-mode .season-event-btn:hover {
    background: #a34714;
}

html.event-autumn body.site-app:not(.dark-mode) .site-nav .nav-item.active {
    background: #ffe4c4 !important;
    color: #9a3412 !important;
}

html.event-autumn body.site-app.dark-mode .site-nav .nav-item.active {
    background: #8f3d12 !important;
    color: #fff4e8 !important;
}

html.event-autumn .site-nav-brand {
    position: relative;
    z-index: 1;
}

html.event-autumn .site-nav-brand > span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.autumn-web {
    display: none;
}

html.event-autumn .autumn-web {
    display: block;
    position: absolute;
    width: 176px;
    height: 176px;
    pointer-events: none;
    color: rgba(58, 44, 32, 0.55);
}

html.event-autumn body.site-app.dark-mode .autumn-web {
    color: rgba(236, 228, 216, 0.4);
}

html.event-autumn .autumn-web-nav {
    top: 0;
    left: 0;
    z-index: 0;
    width: 128px;
    height: 128px;
}

html.event-autumn .autumn-web-tr {
    top: 0;
    right: 0;
    transform: scaleX(-1);
}

.autumn-spider {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 42px;
    height: 35px;
    pointer-events: none;
    color: #241810;
    filter: drop-shadow(0 1px 1px rgba(40, 18, 4, 0.28));
    transform-origin: 70% 30%;
    animation: spider-crawl 18s ease-in-out infinite;
}

html.event-autumn body.site-app.dark-mode .autumn-spider {
    color: #f3ece2;
    filter: drop-shadow(0 0 1px rgba(20, 12, 8, 0.85)) drop-shadow(0 1px 2px rgba(0, 0, 0, 0.45));
}

.autumn-spider-legs {
    transform-origin: 24px 20px;
    animation: spider-legs 0.42s ease-in-out infinite;
}

@keyframes spider-crawl {
    0%, 12% {
        transform: translate(12px, -14px) rotate(36deg);
        opacity: 0;
    }
    18% {
        transform: translate(0, 0) rotate(32deg);
        opacity: 1;
    }
    34%, 50% {
        transform: translate(-76px, 66px) rotate(18deg);
        opacity: 1;
    }
    66% {
        transform: translate(0, 0) rotate(32deg);
        opacity: 1;
    }
    74%, 100% {
        transform: translate(12px, -14px) rotate(36deg);
        opacity: 0;
    }
}

@keyframes spider-legs {
    0%, 100% { transform: rotate(-6deg); }
    50% { transform: rotate(6deg); }
}


html.event-autumn .autumn-brand-mark {
    display: block;
    width: 28px;
    height: 28px;
    flex: 0 0 28px;
}

html.event-autumn .site-stage {
    isolation: isolate;
}

html.event-autumn .autumn-leaves {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 4;
    overflow: hidden;
    pointer-events: none;
}

html.event-autumn .site-stage > :not(.autumn-leaves):not(.autumn-frame) {
    position: relative;
    z-index: 1;
}

.autumn-frame {
    display: none;
}

html.event-autumn .autumn-frame {
    display: block;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 268px;
    z-index: 6;
    overflow: hidden;
    pointer-events: none;
}

html.event-autumn body.nav-collapsed .autumn-frame {
    left: 56px;
}

.autumn-deco-pumpkin {
    position: absolute;
    bottom: 0;
    width: 104px;
    height: 104px;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
    pointer-events: auto;
    filter: drop-shadow(0 4px 6px rgba(40, 18, 4, 0.28));
}

.autumn-deco-pumpkin svg {
    display: block;
    width: 100%;
    height: 100%;
    overflow: visible;
}

.autumn-deco-pumpkin.is-right {
    right: 2px;
    width: 156px;
    height: 156px;
    transform: rotate(16deg);
    transform-origin: 60% 100%;
}

.autumn-deco-pumpkin.is-right:hover:not(.is-smashed) {
    transform: rotate(16deg) scale(1.05);
}

.autumn-deco-pumpkin.is-smashed {
    pointer-events: none;
}

.autumn-pumpkin-bit {
    transform-box: fill-box;
    transform-origin: center;
}

.autumn-deco-pumpkin.is-smashed .autumn-pumpkin-bit {
    animation: pumpkin-smash 0.9s cubic-bezier(0.22, 0.7, 0.3, 1) forwards;
}

.autumn-deco-pumpkin .bit-stem { --dx: 0px; --spin: -70deg; animation-delay: 0ms; }
.autumn-deco-pumpkin.is-right .bit-left { --dx: -52px; --spin: -110deg; animation-delay: 10ms; }
.autumn-deco-pumpkin.is-right .bit-right { --dx: 72px; --spin: 140deg; animation-delay: 30ms; }
.autumn-deco-pumpkin.is-right .bit-center { --dx: 14px; --spin: -60deg; animation-delay: 20ms; }
.autumn-deco-pumpkin.is-right .bit-stem { --dx: 8px; --spin: 80deg; }

.autumn-deco-pumpkin.is-right.is-smashed .autumn-pumpkin-bit {
    animation-name: pumpkin-smash-big;
}

.autumn-bat {
    position: absolute;
    right: 108px;
    bottom: 118px;
    width: 78px;
    height: 44px;
    pointer-events: none;
    color: #241810;
    filter: drop-shadow(0 2px 2px rgba(40, 18, 4, 0.28));
    transform-origin: 50% 70%;
    animation: bat-perch 2.6s ease-in-out infinite;
}

html.event-autumn body.site-app.dark-mode .autumn-bat {
    color: #1a120e;
    filter: drop-shadow(0 0 1px rgba(255, 236, 214, 0.9)) drop-shadow(0 2px 3px rgba(0, 0, 0, 0.4));
}

html.event-autumn .autumn-frame:has(.is-smashed) .autumn-bat {
    animation: bat-flee 0.75s ease-in forwards;
}

@keyframes bat-perch {
    0%, 100% { transform: rotate(-8deg) translateY(0); }
    50% { transform: rotate(-2deg) translateY(-4px); }
}

@keyframes bat-flee {
    to { transform: translate(-70px, -130px) rotate(-28deg); opacity: 0; }
}

.autumn-ghost {
    position: absolute;
    left: 4px;
    bottom: 0;
    width: 176px;
    height: 115px;
    pointer-events: none;
    color: #fffdf8;
    filter: drop-shadow(0 3px 4px rgba(40, 18, 4, 0.22));
    transform-origin: 50% 100%;
    animation: ghost-float 3.2s ease-in-out infinite;
    overflow: visible;
}

.autumn-ghost-side {
    animation: ghost-peek 3.6s ease-in-out infinite;
}

.autumn-ghost-side.is-right {
    animation-delay: -1.5s;
}

html.event-autumn body.site-app.dark-mode .autumn-ghost {
    color: #f4eee6;
    filter: drop-shadow(0 0 1px rgba(255, 236, 214, 0.45)) drop-shadow(0 3px 6px rgba(0, 0, 0, 0.45));
}

@keyframes ghost-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes ghost-peek {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes pumpkin-smash-big {
    0% { transform: translate(0, 0) rotate(0deg); opacity: 1; }
    30% { transform: translate(var(--dx), -64px) rotate(calc(var(--spin) * 0.35)); opacity: 1; }
    100% { transform: translate(calc(var(--dx) * 1.4), 210px) rotate(var(--spin)); opacity: 0; }
}

@keyframes pumpkin-smash {
    0% { transform: translate(0, 0) rotate(0deg); opacity: 1; }
    30% { transform: translate(var(--dx), -42px) rotate(calc(var(--spin) * 0.35)); opacity: 1; }
    100% { transform: translate(calc(var(--dx) * 1.4), 150px) rotate(var(--spin)); opacity: 0; }
}

@media (max-width: 860px) {
    html.event-autumn .autumn-frame,
    html.event-autumn body.nav-collapsed .autumn-frame {
        left: 0;
    }

    .autumn-deco-pumpkin {
        width: 76px;
        height: 76px;
    }

    .autumn-deco-pumpkin.is-right {
        width: 112px;
        height: 112px;
    }

    .autumn-bat {
        width: 56px;
        height: 32px;
        right: 76px;
        bottom: 84px;
    }

    .autumn-ghost {
        width: 124px;
        height: 81px;
        left: 2px;
    }

}

@media (prefers-reduced-motion: reduce) {
    .autumn-deco-pumpkin.is-smashed .autumn-pumpkin-bit {
        animation: none;
        opacity: 0;
    }

    .autumn-bat {
        animation: none;
    }

    html.event-autumn .autumn-frame:has(.is-smashed) .autumn-bat {
        opacity: 0;
    }

    .autumn-ghost,
    .autumn-ghost-side,
    .autumn-spider,
    .autumn-spider-legs {
        animation: none;
    }

    .autumn-spider {
        opacity: 0;
    }
}

.autumn-leaf {
    position: absolute;
    top: -8%;
    width: 14px;
    height: 16px;
    background: #e8a04a;
    border-radius: 0 80% 0 80%;
    opacity: 0.55;
    animation: autumn-fall linear infinite;
}

.autumn-leaf::after {
    content: "";
    position: absolute;
    left: 45%;
    top: 18%;
    width: 2px;
    height: 70%;
    background: rgba(63, 42, 26, 0.45);
}

@keyframes autumn-fall {
    0% { transform: translate3d(0, -12vh, 0) rotate(0deg); }
    100% { transform: translate3d(var(--drift, 24px), 108vh, 0) rotate(var(--turn, 220deg)); }
}

@media (prefers-reduced-motion: reduce) {
    .autumn-leaf {
        display: none;
    }
}