:root {
  --bg: #1a1a2e;
  --bot-msg: #16213e;
  --user-msg: #0f3460;
  --text: #e0e0e0;
  --accent: #e94560;
  --input-bg: #0a0a1a;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background:
    linear-gradient(rgba(26, 26, 46, 0.85), rgba(26, 26, 46, 0.85)),
    url('/assets/bb.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
}

/* Скрываем всё Material-лишнее */
.md-tabs, .md-sidebar, .md-footer, .md-search, .md-top,
.md-header__button {
  display: none !important;
}
.md-header {
  background: var(--bot-msg) !important;
  box-shadow: none !important;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

/* Контент на всю ширину */
.md-main__inner {
  max-width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
}

.md-content {
  max-width: 100% !important;
  padding: 0 !important;
}

.chat-container {
  max-width: 600px;
  width: 100%;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: 20px;
  margin: 0 auto;
}

.chat-messages {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 80px;
}

.msg {
  max-width: 80%;
  padding: 10px 16px;
  border-radius: 12px;
  line-height: 1.5;
  color: var(--text);
  animation: fadeInUp 0.3s ease;
}

.msg.bot {
  background: var(--bot-msg);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.msg.user {
  background: var(--user-msg);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
  text-align: right;
}

.msg a { color: var(--accent); }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-input-area {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  max-width: 600px;
  width: 100%;
  padding: 12px 20px;
  background: var(--bg);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  gap: 8px;
  align-items: center;
}

.chat-input-area input {
  flex: 1;
  padding: 12px 16px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.15);
  background: var(--input-bg);
  color: var(--text);
  font-size: 16px;
  outline: none;
}

.chat-input-area input:focus {
  border-color: var(--accent);
}

.chat-input-area button, .chat-form button {
  padding: 12px 20px;
  border-radius: 24px;
  border: none;
  background: var(--accent);
  color: white;
  font-size: 20px;
  cursor: pointer;
  white-space: nowrap;
  min-width: 48px;
  min-height: 48px;
}

.chat-input-area button:hover, .chat-form button:hover {
  opacity: 0.9;
}

.hidden { display: none !important; }

.chat-form {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  max-width: 600px;
  width: 100%;
  padding: 12px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chat-form textarea {
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.15);
  background: var(--input-bg);
  color: var(--text);
  font-size: 16px;
  resize: none;
  height: 80px;
  outline: none;
  font-family: inherit;
}

@media (max-width: 400px) {
  .msg { max-width: 90%; }
  .chat-container { padding: 12px; }
}
/* Кнопки в чате */
#chat-input {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  max-width: 600px;
  width: 100%;
  padding: 12px 20px;
  display: flex;
  gap: 8px;
  justify-content: center;
}

.chat-btn {
  padding: 12px 28px;
  border-radius: 24px;
  border: none;
  background: var(--accent);
  color: white;
  font-size: 16px;
  cursor: pointer;
}

.chat-btn:hover {
  opacity: 0.85;
}

.chat-form {
  position: static;
  transform: none;
}