body,html{margin:0;padding:0;font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:linear-gradient(120deg,#0d1b2a,#1b263b,#415a77);color:#fff;height:100vh;overflow:hidden}
#desktop.theme-night body,html{}
#starLayer{position:fixed;inset:0;pointer-events:none;z-index:300;background:transparent}
.star{position:absolute;width:3px;height:3px;background:#fff;border-radius:50%;opacity:.8;animation:twinkle var(--twinkleDur) linear infinite}
@keyframes twinkle{0%,100%{opacity:.2;transform:scale(.6)}50%{opacity:1;transform:scale(1)}}
#menubar{position:fixed;top:0;left:0;right:0;height:28px;background:rgba(30,30,30,.65);backdrop-filter:blur(12px);display:flex;align-items:center;padding:0 12px;font-size:14px;user-select:none}
.menu-left{font-weight:600}
.menu-left .calendar-icon{margin:0 4px 0 2px;font-size:16px;display:inline-block;transform:translateY(1px)}
.menu-left .brand-text{letter-spacing:.5px}
.menu-center{margin-left:auto;margin-right:auto;opacity:.85}
.menu-right{margin-left:auto;font-size:12px;opacity:.8}
#giftScore{margin-left:18px;font-size:12px;font-weight:600;opacity:.85;padding:4px 10px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:6px;display:flex;align-items:center;gap:6px}
#giftScore::before{content:""}
#dock{position:fixed;bottom:8px;left:50%;transform:translateX(-50%);display:flex;gap:8px;padding:6px 10px;background:rgba(25,25,25,.55);backdrop-filter:blur(10px);border-radius:22px;flex-wrap:wrap;justify-content:center;max-width:95vw}
.dock-item{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:32px;line-height:1;border-radius:14px;padding:12px 16px;cursor:pointer;position:relative;display:flex;flex-direction:column;align-items:center;transition:.25s}
.dock-item:hover{transform:translateY(-6px);background:rgba(255,255,255,.22)}
.dock-label{font-size:10px;margin-top:4px}
.window{position:absolute;top:60px;left:60px;width:720px;height:480px;background:rgba(40,40,40,.75);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.15);border-radius:12px;display:flex;flex-direction:column;box-shadow:0 8px 28px -6px rgba(0,0,0,.6);z-index:1200}
.hidden{display:none !important}
.window-bar{height:34px;display:flex;align-items:center;padding:0 12px;gap:12px}
.win-btns{display:flex;gap:8px}
.win-btn{width:14px;height:14px;border-radius:50%;border:none;cursor:pointer}
.win-btn.close{background:#ff5f56}
.win-btn.min{background:#ffbd2e}
.win-btn.max{background:#27c93f}
.title{font-weight:600;font-size:14px;opacity:.9}
.export-btn{margin-left:auto;background:#2f6bb7;border:1px solid #3e7fcc;color:#fff;font-size:12px;padding:6px 10px;border-radius:6px;cursor:pointer}
.export-btn:hover{background:#3e7fcc}
.music-btn{background:#2c3e50;border:1px solid #445b75;color:#fff;font-size:12px;padding:4px 10px;border-radius:6px;cursor:pointer;margin-left:8px}
.music-btn.active{background:#3b5875}
.music-btn:hover{background:#3b5875}
.theme-btn{background:#5b2c7a;border:1px solid #7a46a3;color:#fff;font-size:12px;padding:4px 10px;border-radius:6px;cursor:pointer;margin-left:6px}
.theme-btn.active{background:#7a46a3}
.theme-btn:hover{background:#6b3c92}
.window-content{flex:1;overflow:auto;padding:16px}
.grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:8px}
.door{background:linear-gradient(145deg,#2e3b55,#182233);border:1px solid #3f5678;border-radius:8px;padding:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;position:relative;font-weight:600;font-size:18px;color:#eee;transition:.25s}
.door.spark-hover:not(.locked):hover::before{content:"";position:absolute;inset:0;border-radius:8px;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.35),transparent 60%),radial-gradient(circle at 70% 65%,rgba(255,255,255,.25),transparent 55%);filter:blur(2px);opacity:.9;pointer-events:none}
.door.locked{filter:grayscale(.8);opacity:.55;cursor:not-allowed}
.door.solved{background:linear-gradient(145deg,#2d5f3b,#1e3f28);border-color:#3aa55d;animation:doorCelebrate .8s ease}
.door.solved::after{content:"★";position:absolute;top:4px;right:8px;font-size:16px;color:#ffd966;text-shadow:0 0 6px rgba(255,217,102,.7)}
.door:hover:not(.locked){transform:translateY(-4px)}
@keyframes doorCelebrate{0%{transform:scale(1) rotate(0)}35%{transform:scale(1.12) rotate(3deg)}60%{transform:scale(1) rotate(-2deg)}100%{transform:scale(1) rotate(0)} }
@keyframes doorGlow{0%,100%{box-shadow:0 0 0 rgba(255,255,255,0)}50%{box-shadow:0 0 12px -2px rgba(255,255,255,.35)}}
.door.open{animation:doorGlow 1.2s ease forwards}
/* Flip Animation */
.door.flip-start{transform-origin:center;perspective:800px;animation:doorFlip .9s ease forwards}
@keyframes doorFlip{0%{transform:rotateY(0)}40%{transform:rotateY(90deg)}60%{transform:rotateY(90deg)}100%{transform:rotateY(180deg)}}
.door.flip-end{transform:rotateY(180deg)}
.night #desktop, .night body{}
/* Nachtmodus Farbänderungen */
.night body, .night html{background:linear-gradient(160deg,#020409,#0a1a2b,#132b44)!important}
.night #menubar{background:rgba(10,15,25,.7)}
.night #giftScore{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.28)}
.night .window{background:rgba(25,30,40,.78)}
.night #starLayer{opacity:1;transition:opacity .8s}
#starLayer{opacity:.0;transition:opacity .8s}
.modal{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.55);backdrop-filter:blur(4px);padding:24px;z-index:1700}
.modal-content{background:#1e2533;border:1px solid #3d4e66;border-radius:12px;padding:24px;max-width:520px;width:100%;box-shadow:0 14px 40px -10px rgba(0,0,0,.7)}
.modal-actions{display:flex;gap:12px;margin-top:12px}
.modal-actions button{background:#3d5a87;color:#fff;border:1px solid #4d6fa5;padding:8px 16px;border-radius:6px;cursor:pointer;font-weight:600}
.modal-actions button:hover{background:#4d6fa5}
.feedback{margin-top:10px;font-size:14px;min-height:20px}
.door-content{margin-top:16px;padding:12px;background:#243144;border:1px solid #3d4e66;border-radius:8px}
#riddleAnswer.hidden, #submitRiddle.hidden{display:none !important}
#notifications{position:fixed;top:40px;right:20px;display:flex;flex-direction:column;gap:12px;max-width:280px;z-index:1500}
.notification{background:rgba(255,255,255,.12);backdrop-filter:blur(6px);padding:12px 14px;border-radius:10px;font-size:13px;border:1px solid rgba(255,255,255,.2)}
.notification.fade-out{opacity:0;transition:opacity .9s ease}
/* Schneefall Layer */
#snowLayer{pointer-events:none;position:fixed;inset:0;overflow:hidden;z-index:999}
.snowflake{position:absolute;top:-5%;color:#fff;user-select:none;font-size:var(--size);opacity:var(--opacity);filter:drop-shadow(0 0 4px rgba(255,255,255,.5));animation:snowFall linear var(--dur) var(--delay) forwards}
@keyframes snowFall{0%{transform:translateY(-10%) translateX(0) rotate(0deg)}100%{transform:translateY(110vh) translateX(var(--drift)) rotate(360deg)}}
/* Santa Fahrbahn mit zyklischem JS gesteuertem Keyframe Wechsel */
#santaWrapper{position:fixed;top:90px;left:0;width:100%;pointer-events:none;z-index:400}
#santaSleigh::after{content:"";position:absolute;left:0;top:50%;width:140px;height:40px;transform:translate(-60%, -50%);background:radial-gradient(circle at 10% 50%,rgba(255,255,255,.8),rgba(255,255,255,.05) 70%);filter:blur(10px);opacity:.35;animation:cometPulse 3.4s ease-in-out infinite}
@keyframes cometPulse{0%,100%{opacity:.15;transform:translate(-60%, -50%) scale(.7)}50%{opacity:.5;transform:translate(-60%, -50%) scale(1)}}
#santaSleigh{position:absolute;display:flex;align-items:center;gap:8px;font-size:52px;filter:drop-shadow(0 4px 6px rgba(0,0,0,.4)) drop-shadow(0 0 6px rgba(255,255,255,.4));padding:4px 16px}
.sleigh-inner{display:flex;align-items:center;gap:8px;animation:sleighBob 4s ease-in-out infinite}
#santaSleigh.direction-back{flex-direction:row-reverse}
@keyframes sleighBob{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes sleighForward{from{transform:translateX(-25vw)}to{transform:translateX(125vw)}}
@keyframes sleighBackward{from{transform:translateX(125vw)}to{transform:translateX(-25vw)}}

/* Forest / Ground for dropped gifts (centered) */
#hill{position:fixed;left:50%;top:56%;transform:translate(-50%,-50%);width:70vw;max-width:1100px;height:28vh;min-height:240px;pointer-events:none;z-index:35;
	background:radial-gradient(circle at 50% 85%, #2f6132 0 42%, #255027 43% 60%, #1d3e20 61% 100%);
	border-radius:50% 50% 0 0 / 100% 100% 0 0;
	box-shadow:0 -8px 24px -6px rgba(0,0,0,.5), 0 4px 18px -4px rgba(0,0,0,.45) inset;
	overflow:hidden;
}
#hill::after{content:"";position:absolute;left:-10%;width:120%;top:15%;height:60%;
	background:radial-gradient(circle at 40% 50%,rgba(255,255,255,.25),rgba(255,255,255,.05) 60%, transparent 75%),
						 radial-gradient(circle at 70% 60%,rgba(255,255,255,.18),rgba(255,255,255,.04) 55%, transparent 72%);
	filter:blur(18px);
	animation:fogDrift 38s linear infinite;
	opacity:.55;pointer-events:none;
}
#hill::before{content:"";position:absolute;inset:0;mix-blend-mode:overlay;background:
	repeating-linear-gradient(135deg,rgba(255,255,255,.08) 0 6px,rgba(0,0,0,0) 6px 14px);opacity:.28;pointer-events:none}
@keyframes fogDrift{0%{transform:translateX(0)}50%{transform:translateX(-4%)}100%{transform:translateX(0)}}
.night #hill{background:radial-gradient(circle at 50% 85%, #234a27 0 42%, #1b3a20 43% 60%, #132a16 61% 100%)}
.night #hill::after{opacity:.42;filter:blur(20px)}
.night #hill::before{opacity:.22}
#forest{position:fixed;left:50%;top:58%;transform:translate(-50%,-50%);width:70vw;max-width:1100px;height:140px;pointer-events:none;z-index:45;display:block}
.tree{position:absolute;bottom:10px;filter:drop-shadow(0 6px 10px rgba(0,0,0,.55)) drop-shadow(0 0 4px rgba(255,255,255,.25));opacity:.95;animation:treeSway var(--swayDur,7s) ease-in-out infinite;transform-origin:50% 100%}
.night .tree{filter:drop-shadow(0 6px 10px rgba(0,0,0,.7)) drop-shadow(0 0 6px rgba(120,180,255,.35));opacity:.9}
.tree.snowy::after{content:"";position:absolute;top:8%;left:50%;transform:translateX(-50%);width:58%;height:30%;background:
	radial-gradient(circle at 50% 35%, #ffffff 0 40%, #e7f4ff 41% 70%, transparent 71%),
	linear-gradient(to bottom,#ffffff 0%, #e9f6ff 85%, rgba(255,255,255,.1) 100%);
	border-radius:50% 50% 42% 42% / 70% 70% 40% 40%;
	box-shadow:0 2px 4px -2px rgba(0,0,0,.35);
	opacity:.92;pointer-events:none;
}
.tree.snowy::before{content:"";position:absolute;top:38%;left:50%;transform:translateX(-50%);width:40%;height:18%;background:
	radial-gradient(circle at 50% 40%, #ffffff 0 55%, #e0f1ff 56% 90%, transparent 91%);
	border-radius:50%;filter:blur(0.5px);opacity:.85;pointer-events:none}
.night .tree.snowy::after{background:
	radial-gradient(circle at 50% 35%, #eef7ff 0 40%, #d5e9fa 41% 70%, transparent 71%),
	linear-gradient(to bottom,#eef7ff 0%, #d5e9fa 85%, rgba(255,255,255,.06) 100%)}
.night .tree.snowy::before{background:radial-gradient(circle at 50% 40%, #eef7ff 0 55%, #d5e9fa 56% 90%, transparent 91%)}
.tree.size-sm{font-size:54px}
.tree.size-md{font-size:76px}
.tree.size-lg{font-size:100px}
@keyframes treeSway{0%,100%{transform:rotate(0deg)}50%{transform:rotate(var(--swayRot,3deg))}}
.tree.t1{left:6%}
.tree.t2{left:22%}
.tree.t3{left:42%}
.tree.t4{left:64%}
.tree.t5{left:82%}

/* Dropped gift animation */
.dropped-gift{position:fixed;font-size:40px;z-index:350;left:0;top:0;pointer-events:none;opacity:0;transform:translateY(0) rotate(0deg)}
.dropped-gift.behind-window{opacity:.55;filter:drop-shadow(0 2px 4px rgba(0,0,0,.4)) drop-shadow(0 0 2px rgba(255,255,255,.2))}
.dropped-gift.fall-start{opacity:1;animation:giftFall var(--fallDur,2.9s) cubic-bezier(.2,.75,.25,1) forwards}
.dropped-gift.landed{filter:drop-shadow(0 5px 7px rgba(0,0,0,.55)) drop-shadow(0 0 5px rgba(255,255,255,.35))}
@keyframes giftFall{0%{transform:translateY(0) scale(1) rotate(var(--rotStart));}
70%{transform:translateY(var(--fallDist)) scale(1.03,.97) rotate(calc(var(--rotStart) + var(--rotDelta)));}
80%{transform:translateY(calc(var(--fallDist) - 32px)) scale(1.06,.94) rotate(calc(var(--rotStart) + var(--rotDelta)));}
88%{transform:translateY(var(--fallDist)) scale(.95,1.05) rotate(calc(var(--rotStart) + var(--rotDelta)));}
96%{transform:translateY(calc(var(--fallDist) - 10px)) scale(1.02,.98) rotate(calc(var(--rotStart) + var(--rotDelta)));}
100%{transform:translateY(var(--fallDist)) scale(1) rotate(calc(var(--rotStart) + var(--rotDelta)));}}

/* Pinguin Zone */
#penguinZone{position:fixed;right:18px;bottom:18px;width:230px;height:120px;pointer-events:none;z-index:960;}
.penguin{position:absolute;font-size:40px;animation-timing-function:linear;animation-iteration-count:infinite;filter:drop-shadow(0 2px 4px rgba(0,0,0,.5));pointer-events:auto;cursor:pointer;transition:.2s}
.penguin:active{transform:scale(.9)}
.penguin.p1{animation:pengWalk1 11s linear infinite}
.penguin.p2{animation:pengWalk2 13s linear infinite}
@keyframes pengWalk1{0%{left:0;bottom:0;transform:scale(1)}25%{left:120px;bottom:10px}50%{left:180px;bottom:0;transform:scale(1)}75%{left:60px;bottom:14px}100%{left:0;bottom:0}}
@keyframes pengWalk2{0%{left:180px;bottom:0;transform:scale(1)}20%{left:100px;bottom:18px}40%{left:0;bottom:0;transform:scale(1)}60%{left:140px;bottom:12px}80%{left:60px;bottom:4px}100%{left:180px;bottom:0}}
@keyframes sleighBob{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@media (max-width:860px){.window{width:94%;left:3%;height:520px}.grid{grid-template-columns:repeat(4,1fr)}#dock{gap:6px;padding:4px 8px}.music-player{gap:4px;padding:6px 8px}.music-title{max-width:80px;font-size:10px}.dock-item{padding:8px 12px;font-size:28px}}
.light-frame{position:absolute;inset:-6px;pointer-events:none;border-radius:14px;display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:16px}
.light-bulb{width:8px;height:8px;background:#ff4040;border-radius:50%;margin:4px auto;box-shadow:0 0 6px 2px rgba(255,64,64,.6);animation:bulbBlink var(--bulbDur) ease-in-out infinite}
@keyframes bulbBlink{0%,100%{filter:brightness(.6)}50%{filter:brightness(1.5) saturate(180%)}}
/* Geschenk Tray */
#giftTray{display:flex;gap:8px;margin-left:6px}
.gift{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);color:#fff;font-size:22px;border-radius:10px;padding:8px 10px;cursor:pointer;transition:.25s;display:flex;align-items:center;justify-content:center}
.gift:hover{background:rgba(255,255,255,.3);transform:translateY(-4px)}
.gift:active{transform:scale(.92)}

/* Music Player */
.music-player{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:16px;padding:8px 12px;margin-left:8px}
.music-btn-control{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);color:#fff;font-size:16px;width:32px;height:32px;border-radius:50%;cursor:pointer;transition:.25s;display:flex;align-items:center;justify-content:center}
.music-btn-control:hover{background:rgba(255,255,255,.3);transform:scale(1.1)}
.music-btn-control:active{transform:scale(.95)}
.music-btn-control.playing{background:rgba(46,204,113,.6);border-color:rgba(46,204,113,.8)}
.music-title{font-size:11px;opacity:.8;max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-left:4px}
.night .music-player{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.28)}
.night .music-btn-control{background:rgba(255,255,255,.18)}
.night .music-btn-control:hover{background:rgba(255,255,255,.35)}

/* Memory Game */
#memoryApp .window-content{display:flex;flex-direction:column;gap:14px}
.memory-stats{font-size:13px;opacity:.85}
.memory-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;user-select:none}
@media (max-width:860px){.memory-grid{grid-template-columns:repeat(4,1fr)}}
.card{position:relative;aspect-ratio:1/1;background:linear-gradient(145deg,#1f2d40,#162231);border:1px solid #32485f;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:0;cursor:pointer;transform-style:preserve-3d;transition:transform .55s ease, box-shadow .55s;box-shadow:0 4px 12px -4px rgba(0,0,0,.5)}
.card:hover{box-shadow:0 6px 18px -6px rgba(0,0,0,.55)}
.card-face{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:34px;backface-visibility:hidden;border-radius:10px}
.card-front{background:linear-gradient(135deg,#2f435b,#1d2835);}
.card-back{transform:rotateY(180deg);background:radial-gradient(circle at 50% 50%,#ffe9b0 0 20%,#ffd372 21% 40%,#ffb347 41% 70%,#ff9f40 71% 100%);font-size:42px;}
.card.flip{transform:rotateY(180deg)}
.card.matched{animation:matchedPulse .9s ease forwards;cursor:default;}
@keyframes matchedPulse{0%{filter:brightness(1)}55%{filter:brightness(1.35) saturate(130%)}100%{filter:brightness(1) saturate(110%)} }
.memory-restart{align-self:flex-start;background:#3d5a87;color:#fff;border:1px solid #4d6fa5;padding:8px 14px;border-radius:8px;cursor:pointer;font-weight:600;font-size:13px}
.memory-restart:hover{background:#4d6fa5}
.night .card-front{background:linear-gradient(135deg,#233240,#141b24)}
.night .card{border-color:#3a536b}
.night .card-back{background:radial-gradient(circle at 50% 50%,#fff7d8 0 20%,#ffe29b 21% 40%,#ffc374 41% 70%,#ffb25c 71% 100%)}