:root {
/*images*/
	--hgbig: url(../../../images/paleguardian/bg_theme.png);
	--ava-w: 200px; --ava-h: 240px;
/*fonts*/
--txtxxxsmall: 7px; 
--txtxxsmall: 9px; 
--txtxsmall: 10px; 
--txtsmall: 11px;
--txtm: 12px;
 --txtl: 18px; 
--txtxl: 26px;
--txtxxl: 60px; 
--txtxxxl: 80px;
--megatxt: 160px;
	--akzenttext: 'fantasy_magistregular';
	--fliesstext: "Franklin Gothic", "ITC Franklin Gothic", Arial, sans-serif;
  /* Haupt-Tabelle */
    --tbl-main: #191919;
  	--tbl-main-tr: rgba(10,10,10,0.80);
  	--tbl-main-tr2:rgba(33,33,33,0.60);
  	--tbl-main-tr3:rgba(57,57,57,0.20);
  /* Akzente */
  	--akzent-dkl:  #2e2e2e;           
	  	--akzent-mid:  #6c6c6c;
    --akzent-hell: #aaaaaa;               
	--design: #70e5d6;
	--akzent-red: hsl(from var(--design) calc(h + 180) s l);
    --akzent-green: hsl(from var(--design) calc(h + 120) s calc(l * 0.9));
    --akzent-red-soft: color-mix(in srgb, var(--akzent-red) 70%, white);
    --akzent-green-soft: color-mix(in srgb, var(--akzent-green) 70%, white);
    --txtcol: var(--akzent-mid);
	--hairline: var(--akzent-dkl);

/*Fraktionsfarben*/
  --magic: #355c9c;
  --muggle: #b0c7d4;
  --beings: #baab45;
  --order: #eb7a16;
  --deatheater: #595d56;
  --neworder: #cf0d64;
  --bewerber: #d8d8d8;
	  --student: #7ba3d3;
  --magic-rgb: 53, 92, 156;
  --muggle-rgb: 176, 199, 212;
  --beings-rgb: 186, 171, 69;
  --order-rgb: 235, 122, 22;
  --deatheater-rgb: 89, 93, 86;
  --neworder-rgb: 207, 13, 100;
  --bewerber-rgb: 216, 216, 216;
}

/*spezifikationen*/
textarea {
    font-size: var(--txtm);
    color: var(--txtcol);
	font-family: var(--fliesstext);
	background-color: var(--tbl-main-tr);
}

.embed, .iframe-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
}
.embed iframe, .iframe-wrap iframe {
  position: absolute; inset: 0; width: 100%; height: 100%;
  border: 0;
}

input[type="number"],
input[type="url"],
input[type="email"],
input[type="password"],
textarea,
select {
  font-size: var(--txtm);
  color: var(--txtcol);
  font-family: var(--fliesstext);
  background-color: var(--tbl-main);
  border: 1px solid var(--akzent-dkl);
  width: 90%;
}

input[type="text"] {
  font-size: var(--txtm);
  color: var(--txtcol);
  font-family: var(--fliesstext);
  background-color: var(--tbl-main);
  border: 1px solid var(--akzent-dkl);
  width: auto;
}

.modal .editscname { width: 50%; }

body {
	box-sizing: border-box;
	color: var(--txtcol);
	margin: 0;
	font-family: var(--fliesstext);
}

  /* Hairline für feine Ränder */
  --hairline: rgba(255,255,255,0.08);

  /* Schatten in mehreren Stärken */
  --shadow-soft: 0 2px 6px rgba(0,0,0,0.35);
  --shadow-mid: 0 4px 12px rgba(0,0,0,0.45);
  --shadow-strong: 0 8px 24px rgba(0,0,0,0.6);

  /* Buttons */
  --btn-radius: 6px;
  --btn-padding: 0.4em 1em;
  --btn-font: 600;

.btn {
  display: inline-block;
  padding: var(--btn-padding);
  border-radius: var(--btn-radius);
  font-weight: var(--btn-font);
  text-transform: lowercase;
  transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
  cursor: pointer;
  border: 1px solid var(--hairline);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-mid);
}

/* Standardbutton (Design-Farbe) */
.btn-design {
  background: var(--design);
  color: #fff;
}

.btn-design:hover {
  background: color-mix(in srgb, var(--design) 85%, white);
}

/* Akzent-Buttons */
.btn-red {
  background: var(--akzent-red, #b34141);
  color: #fff;
}

.btn-red:hover {
  background: color-mix(in srgb, var(--akzent-red, #b34141) 80%, white);
}

.btn-green {
  background: var(--akzent-green, #4b8a4b);
  color: #fff;
}

.btn-green:hover {
  background: color-mix(in srgb, var(--akzent-green, #4b8a4b) 80%, white);
}

/* Ghost-Style für dunklen Hintergrund */
.btn-ghost {
  background: transparent;
  color: var(--akzent-hell);
  border: 1px solid var(--akzent-hell);
}

.btn-ghost:hover {
  background: var(--akzent-hell);
  color: var(--akzent-dkl);
}

.shimmer {
  position: relative;
  overflow: hidden;
}

.shimmer::after {
  content: "";
  position: absolute;
  top: 0; left: -100%;
  width: 200%; height: 100%;
  background: linear-gradient(
    120deg,
    transparent 0%,
    rgba(255,255,255,0.25) 50%,
    transparent 100%
  );
  animation: shimmer-move 3s infinite;
}

@keyframes shimmer-move {
  0%   { left: -100%; }
  50%  { left: 0%; }
  100% { left: 100%; }
}


b {
  color: var(--design);
  font-weight: 600;
}

u {
  text-decoration: solid underline var(--akzent-hell) 2px;
  text-underline-offset: 3px;
}


i {
  color: var(--akzent-hell);
  font-style: italic;  
  text-decoration: none;
}


.markierung {
  display: inline-block;
  padding-left: 14px;
  background-color: var(--akzent-dkl);
  margin: 3px 0;
	color: var(--design);
}

.markItUpButton a:before {
    content: none !important;
}

li.markItUpButton::before {
    content: none !important;
}

.themebg {
    position: relative;
    background-image: var(--hgbig);
    background-attachment: fixed;
    background-size: cover;
    background-position: top center;
    background-repeat: no-repeat;
	box-shadow: 1px 1px 3px var(--akzent-hell); }

.forenheader {
	height: 20vh;
	align-self: center; }

a {
  position: relative;
  color: var(--design);
  text-decoration: none;
  transition: color 0.3s ease, text-shadow 0.3s ease, transform 0.2s ease;
}

a:hover {
  color: var(--akzent-hell);
  text-shadow: 0 0 4px var(--design);
  transform: translateY(-1px);
}

.lexicon-entry a,
.post_body a {
  position: relative;
  color: var(--akzent-hell);
  text-decoration: none;
  padding-right: 0.9em;
  padding-left: 0.5em;
  transition: color 0.3s ease;
}

.lexicon-entry a::before,
.post_body a::before {
  content: "⇲";
  position: absolute;
  right: -0.1em;
  color: var(--design);
  opacity: 0.7;
  animation: shimmer 4s infinite ease-in-out;
}

@keyframes shimmer {
  0%, 100% {
    text-shadow: 0 0 2px var(--akzent-hell), 0 0 4px var(--akzent-dkl);
    opacity: 0.6;
  }
  50% {
    text-shadow: 0 0 4px var(--design), 0 0 8px var(--akzent-dkl);
    opacity: 1;
  }
}



h1, h2, h3, h4 {
  font-family: var(--akzenttext);
  margin-bottom: 0.5em;
  text-transform: uppercase;
  line-height: 1.2;
}

/* Haupttitel */
h1 {
  font-size: var(--txtxxl);
  color: var(--akzent-hell);
  border-bottom: 1px solid var(--design);
  padding-bottom: 6px;
  text-shadow: 2px 2px 4px var(--tbl-main-tr2);
}

/* Abschnittstitel */
h2 {
  font-size: var(--txtxl);
  color: var(--akzent-hell);
  text-decoration: underline;
  text-decoration-color: var(--akzent-dkl);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

/* Untertitel */
h3 {
  font-size: var(--txtl);
  color: var(--design);
  font-weight: 400;
}

h4 {
  font-size: var(--txtm);
  font-weight: 400;
  display: inline-block;
  padding-left: 14px;
  background-color: var(--akzent-dkl);
  margin: 3px 0;
	color: var(--design);
letter-spacing: 0.3em;
color: var(--akzent-hell);
}


mark {     color: var(--akzent-dkl);
	background: var(--akzent-red); }
.post_controls { display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  align-content: space-evenly; }

.postbit_buttons { display: flex;
  flex-direction: column;
  align-content: center;
  align-items: center;
  gap: 5px;
margin: 5px; }

.post_controls .postbit_buttons a {
  width: 100%;
}

:root{
  --sb-track-color: var(--tbl-main);
  --sb-thumb-color: var(--design);
  --sb-size: 7px;
}

/* WebKit/Blink – auf ALLE scrollbaren Elemente */
*::-webkit-scrollbar{ width:var(--sb-size); height:var(--sb-size); }
*::-webkit-scrollbar-track{ background:var(--sb-track-color); border-radius:3px; }
*::-webkit-scrollbar-thumb{ background:var(--sb-thumb-color); border-radius:3px; }
*::-webkit-scrollbar-thumb:hover{ box-shadow:0 0 0 3px rgba(0,0,0,.1) inset; }

/* Firefox */
@supports not selector(::-webkit-scrollbar){
  *{ scrollbar-color: var(--sb-thumb-color) var(--sb-track-color); }
}

 ul {
  list-style: none;
  padding-left: 1.5em;
  margin: 1em 0;
  line-height: 1.8em;
}

 li::before {
  content: "⨺";
  margin-right: 8px;
  color: var(--akzent-hell);
  font-weight: bold;
  text-shadow: 1px 1px 0 var(--tbl-main);
}

.smilie { max-width: 24px !important; }

Das ist mein CSS, kannst Du noch machen, dass das Forum je nach viewport auch lesbar ist? also, dass es skaliert? Für das Grid des Forums hab ich einen eigenen CSS