:root {
  --color-background: rgb(243, 255, 234);
  --color-main: rgb(81, 163, 23);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}
body {
  background-color: var(--color-background);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1.25rem;
  width: 100%;
  height: 100%;
  overflow-y: auto;
}

#header-div {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 2rem;
}
#logo {
  width: 14rem;
}

/*Main*/
#main-div {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;

  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.096);
  background-color: white;
  border-radius: 0.5rem;
  border: solid 1px rgba(0, 0, 0, 0.062);
  padding: 2rem;
  gap: 0.5rem;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.dropzone {
  background: #faf9fc;
  border: 2px dashed var(--color-main);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 120px;
  cursor: pointer;
  position: relative;
  transition: background 0.2s;
}
.dropzone.dragover {
  background: #ffe4c2;
}
.plus-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-main);
  color: #fff;
  font-size: 2rem;
  border: none;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 2px 8px #0002;
  pointer-events: none;
  user-select: none;
}
.dropzone-text {
  text-align: center;
  color: var(--color-main);
  font-size: 0.95rem;
  margin-top: 80px;
  pointer-events: none;
  user-select: none;
  padding: 0rem 1rem;
}
input[type="file"] {
  display: none;
}
button[type="submit"] {
  background: var(--color-main);
  color: #fff;
  border: none;
  padding: 0.7rem 1.5rem;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  border: solid 1px var(--color-main);
  transition: background 0.2s;
}
button[type="submit"]:hover {
  background: white;
  color: var(--color-main);
}
input,
textarea {
  padding: 0.5rem;
  border-radius: 4px;
  border: 1px solid #d2d2d2;
  font-size: 1rem;
}
#file-list ul {
  list-style: none;
  margin: 0.5rem 0 0 0;
  padding: 0;
  font-size: 0.98rem;
  color: #444;
}
#file-list li {
  margin-bottom: 0.2rem;
  padding-left: 1.2em;
  text-indent: -1.2em;
}
#file-list li::before {
  content: "📄 ";
  margin-right: 0.3em;
}

.remove-btn {
  margin-left: 0.7em;
  background: none;
  border: none;
  color: #d24b00;
  font-size: 1.2em;
  cursor: pointer;
  padding: 0 0.1em;
  vertical-align: middle;
}
.remove-btn:hover {
  color: #ff3333;
}


/*Footer*/
#footer-div {
  display: flex;
  align-items: center;
  justify-content: center;
}
#footer-div a {
  text-decoration: none;
  color: var(--color-main);
}
#footer-div a:hover {
  text-decoration: underline solid 1px var(--color-main);
}


/*Overlay and Spinner */
/* Overlay komplett über die Seite legen */
#overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  background: rgba(0, 0, 0, 0.65);
  display: none;               /* versteckt */
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
/* aktivieren */
#overlay.active {
  display: flex;
}

/* Spinner-Animation */
.spinner {
  width: 80px; height: 80px;
  border: 6px solid #f3f3f3;
  border-top: 6px solid var(--color-main);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}