/* Original, lightweight seasonal scenery. Decorative only; no canvas render loop. */
html#pcu-themed-site[data-pcu-theme="halloween"]{--pcu-paper:#1b1820;--pcu-ink:#f6edf3;--pcu-muted:#d3c4d7;--pcu-surface:#302733;--pcu-surface-lightness:18%;--pcu-glass:#201c27f2;--pcu-scenery:radial-gradient(ellipse at 92% 0,#51404e45,transparent 70%)}
html#pcu-themed-site[data-pcu-theme="winter"]{--pcu-paper:#dfeff7;--pcu-ink:#243d50;--pcu-link:#235f83;--pcu-nav-ink:#243d50;--pcu-glass:#dfeff7ed;--pcu-surface:#f4faff;--pcu-scenery:radial-gradient(ellipse at 6% 15%,#b9e2efaa,transparent 55%),linear-gradient(130deg,#eaf7fc66,#d9edf744)}
html#pcu-themed-site[data-pcu-theme="christmas"]{--pcu-paper:#e7f2f4;--pcu-ink:#273d46;--pcu-muted:#4a626a;--pcu-link:#943344;--pcu-nav-ink:#273d46;--pcu-bar-ink:#273d46;--pcu-nav:#e7f2f4;--pcu-bar:#e7f2f4;--pcu-surface:#f4faf9;--pcu-surface-lightness:96%;--pcu-glass:#e7f2f4f0;--pcu-line:#9ab6ba;--pcu-deep:#183e37;--pcu-gold:#fae4b1;--pcu-scenery:radial-gradient(ellipse at 75% 0,#fcffffaa,transparent 55%),linear-gradient(125deg,#d9ebf666,#f0f7ef88);color-scheme:light}
html#pcu-themed-site[data-pcu-theme="spring"]{--pcu-paper:#f1f6e4;--pcu-ink:#304333;--pcu-nav-ink:#304333;--pcu-glass:#f2f6e7ed;--pcu-surface:#f8fbee;--pcu-scenery:radial-gradient(ellipse at 15% 0,#ffedbfbb,transparent 50%),linear-gradient(155deg,#f8eedc77,#e6f0d477)}
html#pcu-themed-site[data-pcu-theme="summer"]{--pcu-paper:#f8f2dd;--pcu-ink:#2a4248;--pcu-nav-ink:#2a4248;--pcu-glass:#f5f2e4ed;--pcu-surface:#fffcf1;--pcu-scenery:linear-gradient(180deg,#def1ef99 0%,#fcf3d966 55%,#f6e8c477 100%)}
html#pcu-themed-site[data-pcu-theme="autumn"]{--pcu-paper:#faf0dc;--pcu-ink:#493c30;--pcu-nav-ink:#493c30;--pcu-glass:#faf0dfee;--pcu-surface:#fff7e9;--pcu-scenery:radial-gradient(ellipse at 85% 0,#f5d98b77,transparent 60%),linear-gradient(145deg,#fcefcfaa,#f4e2c855)}
html#pcu-themed-site:is([data-pcu-theme="halloween"],[data-pcu-theme="winter"],[data-pcu-theme="christmas"],[data-pcu-theme="spring"],[data-pcu-theme="summer"],[data-pcu-theme="autumn"]) .pcu-theme-scene>:is(.pcu-season-details,.pcu-theme-motif){display:none}
.pcu-seasonal-scene,.pcu-season-art{position:absolute;inset:0;pointer-events:none;overflow:hidden;user-select:none}
.pcu-season-art{display:none}
html[data-pcu-theme="halloween"] .pcu-halloween-art,html[data-pcu-theme="winter"] .pcu-winter-art,html[data-pcu-theme="christmas"] .pcu-christmas-art,html[data-pcu-theme="spring"] .pcu-spring-art,html[data-pcu-theme="summer"] .pcu-summer-art,html[data-pcu-theme="autumn"] .pcu-autumn-art{display:block}
/* Keep the central reading area quieter, while retaining visible detail at the edges. */
.pcu-season-art{mask-image:linear-gradient(90deg,#000,#0008 16%,#0003 35%,#0003 65%,#0008 84%,#000)}
.pcu-web-field{position:absolute;inset:-35px;background:url('webs.svg') center/700px 600px;opacity:.19;animation:pcu-web-sway 18s ease-in-out infinite alternate paused;transform-origin:50% 0}
.pcu-walking-spider{position:absolute;top:4%;width:42px;color:#ded9e6;opacity:.6;animation:pcu-spider-walk 38s linear infinite alternate paused}
.pcu-walking-spider svg{display:block;width:100%;height:auto}
.pcu-spider-one{left:4%;animation-delay:-9s}
.pcu-spider-two{right:5%;top:28%;width:32px;animation-delay:-31s;animation-duration:51s}
.pcu-spider-legs-a,.pcu-spider-legs-b{transform-box:fill-box;transform-origin:center;animation:pcu-spider-step .8s ease-in-out infinite alternate paused}
.pcu-spider-legs-b{animation-delay:-.8s;animation-direction:alternate-reverse}
.pcu-landscape{position:absolute;inset:0;background-position:center bottom;background-size:cover;background-repeat:no-repeat}
.pcu-christmas-art .pcu-landscape{background-image:url('christmas-landscape.svg');opacity:.83}
.pcu-spring-art .pcu-landscape{background-image:url('spring-meadow.svg');opacity:.65}
.pcu-summer-art .pcu-landscape{background-image:url('summer-beach.svg');opacity:.72}
.pcu-snowman{position:absolute;right:0;bottom:6%;width:clamp(110px,12vw,190px);height:clamp(138px,15vw,238px);background:url('snowman.svg') center/contain no-repeat;opacity:.8}
.pcu-rabbits{position:absolute;left:0;bottom:7%;width:clamp(140px,14vw,220px);height:clamp(89px,9vw,140px);background:url('rabbits.svg') center/contain no-repeat;opacity:.8}
.pcu-season-particle{position:absolute;display:block;left:var(--x);top:0;width:var(--size);height:var(--size);opacity:var(--alpha);background:center/contain no-repeat;animation:pcu-season-snow var(--duration) linear var(--delay) infinite paused;will-change:transform}
.pcu-snow-particle{background-image:url('snowflake.svg');filter:drop-shadow(0 0 3px #fff9)}
.pcu-snow-particle{opacity:calc(var(--alpha) + .3);width:calc(var(--size) * 1.4);height:calc(var(--size) * 1.4)}
.pcu-winter-art,.pcu-christmas-art{mask-image:linear-gradient(90deg,#000,#000a 16%,#0006 35%,#0006 65%,#000a 84%,#000)}
.pcu-snow-particle:nth-child(3n){border-radius:50%;width:5px;height:5px;background:#fff;box-shadow:0 0 9px 3px #fffa}
.pcu-snow-haze,.pcu-autumn-haze{position:absolute;inset:-15%;opacity:.45;background:radial-gradient(circle at 10% 20%,#fff9 0 3px,transparent 12px),radial-gradient(circle at 80% 65%,#fff7 0 5px,transparent 20px),radial-gradient(circle at 40% 75%,#fff9 0 2px,transparent 8px);background-size:340px 290px,420px 380px,280px 360px;animation:pcu-season-haze 40s ease-in-out infinite alternate paused}
.pcu-season-sun{position:absolute;left:-35px;top:10%;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,#fff8cb 0 17%,#ffe3a180 30%,#ffe9b933 51%,transparent 70%);opacity:.9;animation:pcu-sun-breathe 12s ease-in-out infinite alternate paused}
.pcu-spring-art .pcu-season-sun{left:auto;right:-35px;top:8%}
.pcu-meadow-light{position:absolute;inset:70% -5% -4%;background:radial-gradient(ellipse at 75% 80%,#ffe7a34d,transparent 60%);animation:pcu-meadow-warmth 14s ease-in-out infinite alternate paused}
.pcu-summer-cloud{position:absolute;left:var(--x);top:var(--y);width:var(--size);height:calc(var(--size) * .44);background:url('cloud.svg') center/contain no-repeat;opacity:.7;animation:pcu-cloud-drift var(--duration) ease-in-out var(--delay) infinite alternate paused}
.pcu-autumn-haze{opacity:.42;background:radial-gradient(circle at 17% 25%,#fff4cdaa 0 6px,transparent 27px),radial-gradient(circle at 80% 70%,#ffe1a577 0 8px,transparent 32px),radial-gradient(circle at 40% 75%,#fff8d799 0 2px,transparent 15px);background-size:400px 350px,520px 460px,330px 490px}
.pcu-leaf-particle{background-image:url('maple.svg');animation-name:pcu-season-leaf;opacity:calc(var(--alpha) + .12)}
.pcu-leaf-particle:nth-child(3n){background-image:url('gold-leaf.svg')}
.pcu-leaf-particle:nth-child(3n + 1){background-image:url('copper-leaf.svg')}
/* Header has its own clipped decorative layer; the menu itself is never clipped. */
.pcu-seasonal-header{position:absolute;inset:0;z-index:-1;overflow:hidden;pointer-events:none;user-select:none;display:none}
html:is([data-pcu-theme="halloween"],[data-pcu-theme="winter"],[data-pcu-theme="christmas"],[data-pcu-theme="spring"],[data-pcu-theme="summer"],[data-pcu-theme="autumn"]) .pcu-seasonal-header{display:block}
.pcu-seasonal-header>div{display:none;position:absolute;inset:-30px;opacity:.2}
html[data-pcu-theme="halloween"] .pcu-header-web{display:block;background:url('webs.svg') center/700px 600px;animation:pcu-web-sway 18s ease-in-out infinite alternate paused}
html:is([data-pcu-theme="winter"],[data-pcu-theme="christmas"]) .pcu-header-snow{display:block;background:url('snowflake.svg') 20px 0/60px 60px space;opacity:.27;animation:pcu-header-snow 24s linear infinite paused}
html:is([data-pcu-theme="spring"],[data-pcu-theme="summer"]) .pcu-header-sun{display:block;background:radial-gradient(ellipse at 15% 0,#ffe0a1aa,transparent 65%);opacity:.6;animation:pcu-sun-breathe 12s ease-in-out infinite alternate paused}
html[data-pcu-theme="summer"] .pcu-header-cloud{display:block;inset:0;background:url('cloud.svg') 85% 0/230px 100px no-repeat;opacity:.4;animation:pcu-cloud-drift 95s ease-in-out -20s infinite alternate paused}
html[data-pcu-theme="autumn"] .pcu-header-leaves{display:block;background:url('gold-leaf.svg') 8% 30px/28px 30px no-repeat,url('maple.svg') 91% 20px/30px 34px no-repeat;opacity:.25;animation:pcu-header-snow 28s linear infinite paused}
@keyframes pcu-web-sway{from{transform:translate3d(-6px,-3px,0) rotate(-.4deg)}to{transform:translate3d(6px,4px,0) rotate(.4deg)}}
@keyframes pcu-spider-walk{0%{transform:translate3d(0,0,0) rotate(8deg)}35%{transform:translate3d(28px,135px,0) rotate(-12deg)}70%{transform:translate3d(-8px,255px,0) rotate(9deg)}100%{transform:translate3d(35px,360px,0) rotate(-5deg)}}
@keyframes pcu-spider-step{from{transform:rotate(-7deg)}to{transform:rotate(7deg)}}
@keyframes pcu-season-snow{from{transform:translate3d(0,-60px,0) rotate(0)}to{transform:translate3d(var(--drift),calc(100vh + 60px),0) rotate(var(--turn))}}
@keyframes pcu-season-leaf{0%{transform:translate3d(0,-70px,0) rotate(-25deg) rotateY(0);opacity:0}8%{opacity:var(--alpha)}50%{transform:translate3d(var(--drift),50vh,0) rotate(120deg) rotateY(60deg)}92%{opacity:var(--alpha)}100%{transform:translate3d(0,calc(100vh + 70px),0) rotate(var(--turn)) rotateY(140deg);opacity:0}}
@keyframes pcu-season-haze{from{transform:translate3d(-15px,-30px,0)}to{transform:translate3d(20px,50px,0)}}
@keyframes pcu-sun-breathe{from{transform:scale(.96);opacity:.65}to{transform:scale(1.06);opacity:.95}}
@keyframes pcu-meadow-warmth{from{transform:translateX(-2%);opacity:.5}to{transform:translateX(2%);opacity:.9}}
@keyframes pcu-cloud-drift{from{transform:translate3d(-90px,0,0)}to{transform:translate3d(90px,7px,0)}}
@keyframes pcu-header-snow{from{transform:translate3d(0,-65px,0)}to{transform:translate3d(22px,65px,0)}}
html#pcu-themed-site[data-pcu-motion="on"]:not([data-pcu-theme-hidden="true"]) :is(.pcu-seasonal-scene,.pcu-seasonal-header) *{animation-play-state:running}
@media(max-width:767px){
 .pcu-season-art{mask-image:linear-gradient(90deg,#0009,#0005 20%,#0004 80%,#0009)}
 .pcu-landscape{background-size:auto 78%;background-position:65% bottom}
 .pcu-christmas-art .pcu-landscape{background-size:auto 56%;background-position:right bottom;opacity:.6}
 .pcu-spring-art .pcu-landscape{background-size:auto 48%;background-position:left bottom}
 .pcu-summer-art .pcu-landscape{background-size:auto 65%}
 .pcu-snowman{width:108px;height:135px;bottom:5%;opacity:.55}.pcu-rabbits{width:140px;height:89px;bottom:6%;opacity:.6}
 .pcu-season-particle:nth-child(2n){display:none}
 .pcu-walking-spider{width:28px;opacity:.45}.pcu-spider-two{display:none}
 .pcu-web-field{opacity:.13}.pcu-season-sun{width:280px;height:280px}
 .pcu-summer-cloud{opacity:.5;width:calc(var(--size) * .65)}
}
@media(prefers-reduced-motion:reduce){.pcu-seasonal-scene *,.pcu-seasonal-header *{animation:none!important;will-change:auto!important}.pcu-season-particle{top:calc(var(--x) * .8)}}
@media(forced-colors:active){.pcu-seasonal-scene,.pcu-seasonal-header{display:none!important}}
@media print{.pcu-seasonal-scene,.pcu-seasonal-header{display:none!important}}