* {
  box-sizing: border-box;
}

body {
  margin: 0;
  height: 100dvh;
  background: #000;
  color: #fff;
  font-family: 'JetBrains Mono', monospace;
  display: flex;
}

/* AUTH */
#auth-overlay {
  position: fixed;
  inset: 0;
  background: #000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#auth-overlay input {
  padding: 12px;
  background: #111;
  border: 1px solid #333;
  color: white;
  width: 220px;
}

#auth-overlay button {
  margin-top: 12px;
  padding: 10px 20px;
  background: white;
  color: black;
  border: none;
  cursor: pointer;
}

/* CHAT */
#chat-container {
  display: none;
  flex-direction: column;
  width: 100%;
  height: 100dvh;
}

/* HEADER */
header {
  padding: 14px;
  text-align: center;
  border-bottom: 1px solid #222;
  font-weight: 600;
}

/* MESSAGES */
#messages {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.msg {
  max-width: 75%;
  padding: 10px 14px;
  background: #111;
  border: 1px solid #222;
  border-radius: 6px;
  font-size: 14px;
  word-wrap: break-word;
}

/* INPUT FIXED */
.input-area {
  position: sticky;
  bottom: 0;
  display: flex;
  gap: 10px;
  padding: 12px;
  background: #000;
  border-top: 1px solid #222;
}

.input-area input {
  flex: 1;
  padding: 12px;
  background: #111;
  border: 1px solid #333;
  color: white;
}

.input-area button {
  padding: 12px 18px;
  background: white;
  color: black;
  border: none;
  cursor: pointer;
}