@font-face {
  font-family: 'MainFont';
  src: url('fonts/PrintChar21.ttf');
}

:root {
  --fg: #19d37f;
  --fg-dim: rgba(25, 211, 127, 0.62);
  --fg-faint: rgba(25, 211, 127, 0.3);
  --glow: 0 0 6px rgba(6, 140, 80, 0.8), 0 0 14px rgba(6, 90, 49, 0.6);
  --panel: rgba(0, 0, 0, 0.55);
  --err: #ff6b6b;
}

[hidden] { display: none !important; }
* { box-sizing: border-box; }
*:focus-visible { outline: 2px solid var(--fg); outline-offset: 2px; }

html, body {
  margin: 0;
  background: #111;
  color: var(--fg);
  font-family: 'MainFont', ui-monospace, monospace;
  font-size: 16px;
  line-height: 1.5;
  text-shadow: var(--glow);
}

#background {
  position: fixed; inset: 0; width: 100%; height: 100%;
  object-fit: fill; z-index: -1; pointer-events: none; opacity: 0.8;
}

main { max-width: 52rem; margin: 0 auto; padding: 1.5rem 1rem 3rem; }
h1 { font-size: 3rem; margin: 0; letter-spacing: 0.2em; }
h2 { font-size: 1.25rem; margin: 1.5rem 0 0.5rem; }
.tag, .hint { color: var(--fg-dim); margin: 0.25rem 0 1rem; }
.hint { font-size: 0.9rem; }
code { font-family: inherit; color: #fff; }
a { color: var(--fg); }
em { color: #fff; font-style: normal; }
.err { color: var(--err); }

.panel {
  background: var(--panel);
  border: 1px solid var(--fg-faint);
  border-radius: 6px;
  padding: 1rem;
  margin-bottom: 1rem;
}
body.dragging .panel { border: 2px dashed var(--fg); }
body.dragging #drop::after {
  content: "Drop files to share";
  display: block; text-align: center; font-size: 1.5rem; padding-top: 0.5rem;
}

textarea, input[type=text] {
  width: 100%;
  background: rgba(0, 0, 0, 0.4);
  color: var(--fg);
  border: 1px solid var(--fg-faint);
  border-radius: 4px;
  padding: 0.6rem;
  font: inherit;
  text-shadow: var(--glow);
  resize: vertical;
}
textarea::placeholder { color: var(--fg-faint); }
#text { min-height: 12rem; }
#rtext { min-height: 12rem; margin-top: 0.5rem; }
#reply { word-break: break-all; }

.btn {
  background: rgba(0, 0, 0, 0.35);
  color: var(--fg);
  border: 1px solid var(--fg-dim);
  border-radius: 4px;
  padding: 0.3rem 0.9rem;
  margin: 0.5rem 0.5rem 0 0;
  font: inherit;
  text-shadow: var(--glow);
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover, .btn:focus-visible {
  color: #fff;
  border-color: var(--fg);
  box-shadow: 0 0 8px rgba(25, 211, 127, 0.5);
}
.btn:disabled { opacity: 0.4; cursor: default; }

.opts label { display: block; margin: 0.25rem 0; color: var(--fg-dim); font-size: 0.9rem; }

#filelist { margin: 0 0 0.5rem; padding-left: 1.25rem; word-break: break-all; }
#peerlist { list-style: none; padding: 0; margin: 0 0 1rem; }
#peerlist li { background: var(--panel); border: 1px solid var(--fg-faint); border-radius: 6px; padding: 0.75rem; margin-bottom: 0.75rem; }
#peerlist .status { margin: 0 0 0.5rem; }
#peerlist .field { display: flex; gap: 0.5rem; align-items: flex-start; margin-bottom: 0.5rem; }
#peerlist .field label { min-width: 5.5rem; color: var(--fg-dim); font-size: 0.9rem; padding-top: 0.6rem; }
#peerlist .field .btn { margin: 0; }
#peerlist textarea { min-height: 2.8rem; }

progress { width: 100%; height: 0.8rem; margin-top: 0.5rem; accent-color: var(--fg); }

#toast {
  position: fixed; left: 50%; bottom: 1.5rem; transform: translateX(-50%);
  max-width: 90vw; padding: 0.5rem 1rem; border-radius: 6px;
  background: rgba(0, 0, 0, 0.8); border: 1px solid var(--fg-dim);
  opacity: 0; transition: opacity 0.25s; pointer-events: none;
}
#toast.show { opacity: 1; }

footer { margin-top: 2rem; color: var(--fg-faint); font-size: 0.8rem; }
footer .build { margin: 0; }

@media (max-width: 40rem) {
  h1 { font-size: 2.2rem; }
  #peerlist .field { flex-direction: column; }
}