/* Grundlayout */
body {
  background: #f8f4e8; /* Reispapier-Hintergrund */
  font-family: 'Noto Serif SC', 'KaiTi', serif; /* klassische chinesische Schrift */
  color: #3b2e2a; /* dunkle Tinte */
  margin: 0;
  padding: 20px;
}

/* Kopfzeile */
h1.legend {
  text-align: center;
  font-size: 2.5em;
  margin-bottom: 30px;
  color: #5c3a21;
  border-bottom: 4px double #a67c52;
  padding-bottom: 10px;
  background: linear-gradient(to right, #e6d8bd, #f4efe4);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Container */
.container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 600px;
  margin: 0 auto;
}

/* Textboxen */
.text-box {
  background: #fbf7ed;
  border: 2px solid #a67c52;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 3px 3px 10px rgba(0,0,0,0.08);
  transition: transform 0.2s ease;
}

.text-box:hover {
  transform: scale(1.02);
}

/* Überschriften */
h2, h3 {
  color: #5a3825;
  margin-bottom: 10px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

h2 i, h3 i {
  color: #a67c52;
  margin-left: 8px;
}

/* Links */
a {
  display: block;
  color: #305050;
  font-weight: 500;
  padding: 8px 0;
  text-decoration: none;
  border-bottom: 1px dashed #d1c2b1;
}

a:hover {
  color: #8c4b32;
  background-color: #f1e6d6;
}
a span {
  font-size: 2em;
}

/* Untercontainer */
.container_subject {
  margin-left: 20px;
  border-left: 2px solid #d5c4a1;
  padding-left: 15px;
  margin-top: 10px;
}
/* .active zeigt den Untercontainer an bzw. blendet ihn ein */
.container_subject {
  display: none; /* standardmäßig versteckt */
  transition: max-height 0.3s ease, opacity 0.3s ease;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
}

.container_subject.active {
  display: block;  /* sichtbar */
  max-height: 1000px; /* ausreichend groß für den Inhalt */
  opacity: 1;
}

/* Drehung des Icons beim toggeln */
.container_subject,
.under_container {
  display: none;
  transition: all 0.3s ease;
}

.container_subject.active,
.under_container.active {
  display: block;
}

/* Icon-Drehung */
.fa-caret-down {
  transition: transform 0.3s ease;
}

.rotated {
  transform: rotate(-180deg);
}
body {
  background: #f8f4e8;
  font-family: 'Noto Serif SC', 'KaiTi', serif;
  color: #3b2e2a;
  margin: 0;
  padding: 20px;
}

h1.legend {
  text-align: center;
  font-size: 2.5em;
  margin-bottom: 30px;
  color: #5c3a21;
  border-bottom: 4px double #a67c52;
  padding-bottom: 10px;
  background: linear-gradient(to right, #e6d8bd, #f4efe4);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.text-box {
  background: #fbf7ed;
  border: 2px solid #a67c52;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 3px 3px 10px rgba(0,0,0,0.08);
}

h2, h3 {
  color: #5a3825;
  margin-bottom: 10px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

h2 i, h3 i {
  color: #a67c52;
  margin-left: 8px;
  transition: transform 0.3s ease;
}

.rotated {
  transform: rotate(-180deg);
}

a {
  display: block;
  color: #305050;
  font-weight: 500;
  padding: 6px 0;
  text-decoration: none;
  border-bottom: 1px dashed #d1c2b1;
}

a:hover {
  color: #8c4b32;
  background-color: #f1e6d6;
}

.container_subject, .under_container {
  display: none;
  margin-left: 15px;
  border-left: 2px solid #d5c4a1;
  padding-left: 15px;
  margin-top: 10px;
}

.container_subject.active,
.under_container.active {
  display: block;
}