/* Дизайн в стиле CodingNepal: AI Chatbot popup */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", sans-serif;
}

.material-symbols-rounded {
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 48;
  font-family: 'Material Symbols Rounded', sans-serif;
}

body {
  width: 100%;
  min-height: 100vh;
  background: linear-gradient(#EEEEFF, #C8C7FF);
}

#chatbot-toggler {
  position: fixed;
  bottom: 30px;
  right: 35px;
  border: none;
  height: 50px;
  width: 50px;
  display: flex;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #5350C4;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
  transition: all 0.2s ease;
}

body.show-chatbot #chatbot-toggler {
  transform: rotate(90deg);
}

#chatbot-toggler span {
  color: #fff;
  position: absolute;
  font-size: 1.5rem;
}

#chatbot-toggler .icon-chat { opacity: 1; }
#chatbot-toggler .icon-close { opacity: 0; }
body.show-chatbot #chatbot-toggler .icon-chat { opacity: 0; }
body.show-chatbot #chatbot-toggler .icon-close { opacity: 1; }

.chatbot-popup {
  position: fixed;
  right: 35px;
  bottom: 90px;
  width: 420px;
  max-width: calc(100vw - 40px);
  overflow: hidden;
  background: #fff;
  border-radius: 15px;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.95);
  transform-origin: bottom right;
  box-shadow: 0 0 128px 0 rgba(0, 0, 0, 0.1), 0 32px 64px -48px rgba(0, 0, 0, 0.5);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

body.show-chatbot .chatbot-popup {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

.chat-header {
  display: flex;
  align-items: center;
  padding: 15px 22px;
  background: #5350C4;
  justify-content: space-between;
}

.chat-header .header-info {
  display: flex;
  gap: 10px;
  align-items: center;
}

.chat-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-header .layout-switch {
  color: rgba(255,255,255,0.9);
  font-size: 0.85rem;
  text-decoration: none;
}
.chat-header .layout-switch:hover {
  text-decoration: underline;
}

.header-info .logo-text {
  color: #fff;
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 0.02rem;
  text-decoration: none;
}
.header-info .logo-text:hover {
  color: rgba(255, 255, 255, 0.95);
  text-decoration: underline;
}

.chat-header #close-chatbot {
  border: none;
  color: #fff;
  height: 40px;
  width: 40px;
  font-size: 1.5rem;
  cursor: pointer;
  border-radius: 50%;
  background: none;
  transition: 0.2s ease;
}

.chat-header #close-chatbot:hover {
  background: rgba(255,255,255,0.2);
}

.chat-body {
  padding: 25px 22px;
  gap: 20px;
  display: flex;
  height: 460px;
  overflow-y: auto;
  margin-bottom: 82px;
  flex-direction: column;
  scrollbar-width: thin;
  scrollbar-color: #ccccf5 transparent;
}

.chat-body .message {
  display: flex;
  gap: 11px;
  align-items: flex-start;
}

.chat-body .message .message-text {
  padding: 12px 16px;
  max-width: 75%;
  font-size: 0.95rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.chat-body .message .message-text strong {
  font-weight: 700;
}

.chat-body .bot-message .message-text {
  background: #F2F2FF;
  border-radius: 13px 13px 13px 3px;
}

.chat-body .user-message {
  flex-direction: row-reverse;
}

.chat-body .user-message .message-text {
  color: #fff;
  background: #5350C4;
  border-radius: 13px 13px 3px 13px;
}

.chat-body .bot-message.thinking .message-text {
  padding: 12px 16px;
}

.chat-body .bot-message .thinking-indicator {
  display: flex;
  gap: 4px;
}

.chat-body .bot-message .thinking-indicator .dot {
  height: 7px;
  width: 7px;
  opacity: 0.7;
  border-radius: 50%;
  background: #6F6BC2;
  animation: dotPulse 1.4s ease-in-out infinite;
}

.chat-body .bot-message .thinking-indicator .dot:nth-child(1) { animation-delay: 0s; }
.chat-body .bot-message .thinking-indicator .dot:nth-child(2) { animation-delay: 0.2s; }
.chat-body .bot-message .thinking-indicator .dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes dotPulse {
  0%, 60% { transform: translateY(0); opacity: 0.7; }
  30% { transform: translateY(-4px); opacity: 0.4; }
}

.chat-footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  background: #fff;
  padding: 15px 22px 20px;
  border-top: 1px solid #eee;
}

.chat-footer .chat-form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  background: #fff;
  border-radius: 32px;
  outline: 1px solid #CCCCE5;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.06);
  transition: outline 0.2s;
  overflow: hidden;
  padding: 3px;
}

.chat-form:focus-within {
  outline: 2px solid #5350C4;
}

.chat-form .message-input {
  width: 100%;
  min-height: 47px;
  max-height: 180px;
  outline: none;
  resize: none;
  border: none;
  border-radius: 28px;
  font-size: 0.95rem;
  padding: 14px 50px 12px 18px;
  box-sizing: border-box;
  background: transparent;
}

.chat-form .send-btn {
  position: absolute;
  right: 8px;
  bottom: 8px;
  height: 35px;
  width: 35px;
  border: none;
  cursor: pointer;
  color: #fff;
  background: #5350C4;
  border-radius: 50%;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.2s;
}

.chat-form .send-btn:hover {
  background: #3d39ac;
}

.chat-form .send-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.chat-form-wrapper {
  position: relative;
  width: 100%;
}

.error-msg {
  flex: 0 0 100%;
  width: 100%;
  color: #c00;
  font-size: 0.85rem;
  margin-top: 6px;
  padding-left: 4px;
}

/* Режим полноэкранного фрейма (?layout=full) */
body.layout-full #chatbot-toggler {
  display: none;
}

body.layout-full .chatbot-popup {
  right: 0;
  bottom: 0;
  left: 0;
  top: 0;
  width: 100%;
  max-width: none;
  height: 100%;
  border-radius: 0;
  opacity: 1;
  pointer-events: auto;
  transform: none;
  box-shadow: none;
}

body.layout-full .chat-body {
  height: calc(100vh - 180px);
}

body.layout-full #close-chatbot {
  display: none;
}

body.layout-full .layout-switch {
  margin-right: 8px;
}

@media (max-width: 520px) {
  #chatbot-toggler {
    right: 20px;
    bottom: 20px;
  }

  .chatbot-popup {
    right: 0;
    bottom: 0;
    height: 100%;
    border-radius: 0;
    width: 100%;
  }

  .chat-body {
    height: calc(100vh - 180px);
  }
}