.expoman-midnight {
  --chat-bg: #ece5dd;
  --chat-panel: #f7f7f7;
  --chat-border: #d8d8d8;
  --chat-header: #ffffff;
  --chat-text: #111111;
  --chat-muted: #667085;
  --chat-user: #dcf8c6;
  --chat-bot: #ffffff;
  --chat-system: #fff4cc;
  --chat-green: #25d366;
  --chat-green-dark: #128c7e;
  color: var(--chat-text);
  font-family: "Helvetica Neue", Arial, sans-serif;
}

.expoman-midnight__shell {
  width: min(100%, 430px);
  height: min(78vh, 760px);
  min-height: 520px;
  margin: 16px auto;
  background: var(--chat-bg);
  border: 1px solid var(--chat-border);
  border-radius: 18px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.14);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.expoman-midnight__header {
  background: var(--chat-header);
  border-bottom: 1px solid var(--chat-border);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex: 0 0 auto;
}

.expoman-midnight__eyebrow {
  margin: 0 0 2px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--chat-muted);
}

.expoman-midnight__title {
  margin: 0;
  font-size: 18px;
  line-height: 1.1;
  font-weight: 700;
  color: var(--chat-text);
}

.expoman-midnight__clear,
.expoman-midnight__send {
  border: 0;
  cursor: pointer;
  transition: opacity 0.18s ease, background 0.18s ease;
}

.expoman-midnight__clear {
  padding: 8px 12px;
  border-radius: 999px;
  background: #f1f1f1;
  color: var(--chat-text);
  font-size: 12px;
  font-weight: 700;
}

.expoman-midnight__send {
  min-width: 64px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--chat-green);
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
}

.expoman-midnight__clear:hover,
.expoman-midnight__send:hover {
  opacity: 0.9;
}

.expoman-midnight__clear:disabled,
.expoman-midnight__send:disabled,
.expoman-midnight__input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.expoman-midnight__messages {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--chat-bg);
}

.expoman-midnight__row {
  display: flex;
}

.expoman-midnight__row--user {
  justify-content: flex-end;
}

.expoman-midnight__row--assistant,
.expoman-midnight__row--system {
  justify-content: flex-start;
}

.expoman-midnight__bubble {
  max-width: 84%;
  padding: 8px 10px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.4;
  white-space: pre-wrap;
  word-break: break-word;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
}

.expoman-midnight__row--user .expoman-midnight__bubble {
  background: var(--chat-user);
  color: var(--chat-text);
  border-top-right-radius: 4px;
}

.expoman-midnight__row--assistant .expoman-midnight__bubble {
  background: var(--chat-bot);
  color: var(--chat-text);
  border-top-left-radius: 4px;
}

.expoman-midnight__row--system .expoman-midnight__bubble {
  background: var(--chat-system);
  color: #5a4300;
  border-top-left-radius: 4px;
}

.expoman-midnight__composer {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: end;
  padding: 10px;
  border-top: 1px solid var(--chat-border);
  background: var(--chat-header);
}

.expoman-midnight__input {
  width: 100%;
  min-height: 42px;
  max-height: 110px;
  resize: none;
  padding: 10px 12px;
  border-radius: 18px;
  border: 1px solid var(--chat-border);
  background: #ffffff;
  color: var(--chat-text);
  font: inherit;
  font-size: 13px;
  line-height: 1.35;
  outline: none;
}

.expoman-midnight__input:focus {
  border-color: var(--chat-green-dark);
}

@media (max-width: 560px) {
  .expoman-midnight__shell {
    width: 100%;
    height: 82vh;
    min-height: 0;
    margin: 0;
    border-radius: 0;
  }

  .expoman-midnight__bubble {
    max-width: 88%;
  }
}