@font-face {
  font-family: "JetBrains Mono";
  src: local("JetBrains Mono");
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "JetBrains Mono", monospace;
  background: linear-gradient(135deg, #0f172a, #0b3d5c);
  color: #e2e8f0;
  min-height: 100vh;
}

.wrap {
  max-width: 820px;
  margin: 40px auto;
  padding: 0 16px;
}

.card {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(226, 232, 240, 0.2);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

h1 {
  font-size: 28px;
  margin: 0 0 16px;
}

h2 {
  font-size: 20px;
  margin: 24px 0 12px;
}

label {
  display: block;
  margin: 10px 0 6px;
  color: #cbd5f5;
}

input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid rgba(226, 232, 240, 0.2);
  background: #0b1220;
  color: #e2e8f0;
  font-family: inherit;
}

button {
  padding: 12px 16px;
  border-radius: 8px;
  border: 0;
  background: #22d3ee;
  color: #0b1220;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: #67e8f9;
}

.row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.row input {
  flex: 1;
}

.chat-block {
  display: grid;
  gap: 8px;
}

.chat-entry {
  padding: 10px 12px;
  background: rgba(2, 8, 23, 0.8);
  border: 1px solid rgba(226, 232, 240, 0.1);
  border-radius: 8px;
}

.chat-entry h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: #bae6fd;
}

.chat-text {
  margin: 0;
  white-space: pre-line;
}

.chat-empty {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px dashed rgba(226, 232, 240, 0.2);
  color: #cbd5f5;
}

.hidden {
  display: none;
}

.chat-frame {
  width: 100%;
  height: 360px;
  border: 0;
  border-radius: 8px;
  background: transparent;
}

.send-frame {
  width: 0;
  height: 0;
  border: 0;
  position: absolute;
  left: -9999px;
  top: -9999px;
}

.frame-body {
  margin: 0;
  background: transparent;
}

@media (max-width: 600px) {
  .row {
    flex-direction: column;
    align-items: stretch;
  }
}