* {
  box-sizing: border-box;
}

:root {
  --bg: #0d1117;
  --panel: #161b22;
  --border: #30363d;
  --text: #c9d1d9;
  --muted: #8b949e;
  --accent: white;
  --radius: 14px;
  --gap: 24px;
  --maxw: 1100px;
}

body {
  background-color: var(--panel);
  margin: 0;
  font-family: system-ui, sans-serif;
}

.logo {
  color: white;
  position: absolute;
  margin-left: 20px;
  top: 20px;
  font-size: 1.2rem;
}

.container {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Chat box */
.chat-container {
  width: 70vw;
  max-width: 150vh;
  height: 80vh;
  background-color: var(--panel);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

textarea {
  min-height: 40px;
  max-height: 200px;
  resize: none;
  overflow-y: hidden;
  line-height: 1.5;
  padding: 8px 12px;
  transition: height 0.1s ease;
  text-align: left;
}

.wrapper {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.title {
  text-align: center;
  border-bottom: 1px solid var(--border);
  padding: 1rem;
  color: var(--text);
}

.chat-window {
  flex-grow: 1;
  scroll-behavior: smooth;
  padding: 1rem 2rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  color: var(--text);
}

.user-message {
  align-self: flex-end;
  background-color: var(--accent);
  color: var(--bg);
  border-top-right-radius: 0;
}

.bot-message {
  align-self: flex-start;
  background-color: var(--border);
  color: var(--text);
  border-top-left-radius: 0;
}

.send_question {
  background-color: var(--panel);
  padding: 1rem;
  display: flex;
  justify-content: center;
}

.question {
  display: flex;
  gap: 1rem;
  width: 100%;
  max-width: 700px;
  align-items: flex-end; 
}

.user_question {
  flex: 1;
  padding: 10px;
  background-color: transparent;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  color: var(--accent);
  resize: none;             
  overflow-y: hidden;       
  text-align: left;
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.4;
  min-height: 40px;
  max-height: 150px;       
}

.btn {
  width: 80px;
  height: 40px;
  min-height: 40px;
  background-color: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: var(--radius);
  cursor: pointer;
  transition: 0.2s;
  flex-shrink: 0;
  align-self: auto;
}

.btn:hover {
  background-color: var(--accent);
  color: var(--bg);
}
.open-kba-btn {
  position: fixed;
  left: 30px;
  top: 50%;
  transform: translateY(-50%);
  background-color: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 12px 18px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.95rem;
  transition: 0.3s;
  z-index: 10;
}

.open-kba-btn:hover {
  background-color: var(--accent);
  color: var(--bg);
}

.popup-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.7);
  justify-content: center;
  align-items: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease-in-out;
}

.popup {
  background-color: var(--panel);
  color: var(--text);
  padding: 2rem;
  border-radius: var(--radius);
  width: 700px;
  max-width: 90%;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  position: relative;
  animation: slideUp 0.25s ease;
}

.close-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  background: transparent;
  border: none;
  font-size: 1.6rem;
  color: var(--accent);
  cursor: pointer;
  transition: 0.2s;
}

.close-btn:hover {
  color: #ff4d4d;
}

.send_to_database {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.user-id-input,
.user-kba-input {
  background-color: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: var(--radius);
  padding: 10px;
  font-size: 1rem;
  resize: none;
}

.user-kba-input {
  min-height: 150px;
}

.user-kba-btn {
  background-color: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 10px 20px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: 0.3s;
}

.user-kba-btn:hover {
  background-color: var(--accent);
  color: var(--bg);
}


/* ========================================= */
/* BASE BUBBLE STYLING                       */
/* ========================================= */
.chat-message {
  display: inline-block;
  max-width: 75%;
  padding: 0.8rem 1rem;
  border-radius: 14px;
  line-height: 1.4;
  word-wrap: break-word;
  font-family: system-ui, sans-serif;
  margin-bottom: 0.8rem;
}

/* ========================================= */
/* USER MESSAGE                              */
/* ========================================= */
.user-message {
  background-color: var(--accent);
  color: var(--bg);
  align-self: flex-end;
}

/* <pre> inside user bubbles */
.user-message pre {
  margin: 0;
  white-space: pre-wrap;  /* keep user formatting */
  word-break: break-word; /* no shrinking columns */
  font-family: system-ui, sans-serif;
  font-size: 1rem;
}

/* ========================================= */
/* BOT MESSAGE (MARKDOWN)                    */
/* ========================================= */
.bot-message {
  background-color: #20252e;
  color: var(--text);
  align-self: flex-start;
}

/* Remove default paragraph spacing */
.bot-message p {
  margin: 0 !important;
  padding: 0 !important;
  line-height: 1.4;
}

/* Code blocks inside MD */
.bot-message pre,
.bot-message code {
  background-color: rgba(255,255,255,0.06);
  padding: 6px 10px;
  border-radius: 6px;
  overflow-x: auto;
  font-family: Menlo, monospace;
  margin: 0.4rem 0;
}

/* Markdown pre should wrap */
.bot-message pre {
  white-space: pre-wrap;
}

.bot-message > p:first-child {
  margin-top: 0 !important;
}

.bot-message > p:last-child {
  margin-bottom: 0 !important;
}


@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}