/* =========================
   Page Lock
   ========================= */

body {
  overflow: hidden;
}

/* =========================
   Main Container Control
   ========================= */

main {
  min-height: 0;   /* CRITICAL */
  display: flex;
  flex-direction: column;
}

/* =========================
   Chat Structure
   ========================= */

.chat {
  flex: 1;
  min-height: 0;   /* CRITICAL */
  display: flex;
  flex-direction: column;
}

.chat-inner {
  flex: 1;
  min-height: 0;   /* CRITICAL */
  overflow-y: auto;   /* ONLY scrollable region */
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* =========================
   Messages
   ========================= */

.msg {
  max-width: 68%;
  padding: 14px 18px;
  border-radius: var(--radius-msg);
  line-height: 1.55;
  font-size: 14px;
}

.msg.assistant {
  background: linear-gradient(135deg, rgba(20, 30, 53, 0.9), rgba(13, 20, 40, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: #d8e2ff;
  align-self: flex-start;
  border-bottom-left-radius: 6px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.msg.user {
  background: linear-gradient(135deg, #5e81ff, #4b6de6);
  color: white;
  align-self: flex-end;
  white-space: pre-wrap;
  border-bottom-right-radius: 6px;
  box-shadow: 0 2px 16px rgba(94, 129, 255, 0.2);
}

/* Markdown rendering inside assistant messages */
.msg-markdown p { margin: 0 0 8px; }
.msg-markdown p:last-child { margin-bottom: 0; }
.msg-markdown ul,
.msg-markdown ol { margin: 4px 0 8px 18px; padding: 0; }
.msg-markdown li { margin-bottom: 4px; }
.msg-markdown code {
  background: rgba(94, 129, 255, 0.1);
  border: 1px solid rgba(94, 129, 255, 0.08);
  border-radius: 5px;
  padding: 2px 6px;
  font-size: 12px;
  font-family: "SF Mono", ui-monospace, monospace;
}
.msg-markdown pre {
  background: rgba(5, 7, 13, 0.5);
  border: 1px solid rgba(94, 129, 255, 0.06);
  border-radius: 12px;
  padding: 14px;
  overflow-x: auto;
  margin: 6px 0;
}
.msg-markdown pre code { background: none; padding: 0; }
.msg-markdown strong { font-weight: 600; }
.msg-markdown h1, .msg-markdown h2, .msg-markdown h3 {
  font-size: 14px;
  font-weight: 600;
  margin: 8px 0 4px;
}

/* =========================
   Input Bar
   ========================= */

.inputbar {
  border-top: 1px solid rgba(94, 129, 255, 0.12);
  background: transparent;
  padding: 14px 0;
  flex-shrink: 0;
}

.input-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  gap: 12px;
}

textarea {
  flex: 1;
  resize: none;
  padding: 14px 16px;
  font-size: 14px;
  border-radius: 14px;
  border: 1px solid rgba(94, 129, 255, 0.2);
  background: #0d1120;
  color: #c8d4ff;
  height: 48px;
  outline: none;
}

button {
  background: #5e81ff;
  color: #fff;
  border: none;
  padding: 0 20px;
  border-radius: 40px;
  font-weight: 600;
  cursor: pointer;
}


.example {
  padding: 14px 20px;
  font-size: 14px;
}

.example-prompts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  max-width: 600px;
  margin: 0 auto;
}


.hero {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

/* Follow-up suggestion pills below assistant response */
.follow-up-suggestions {
  justify-content: flex-start;
  margin: 4px 0 4px 0;
  gap: 6px;
}