/* =========================================================
   Quizai.uz - Minimalist & Elegant Dark Glass Chatbot
========================================================= */

/* 1. Asosiy Dumaloq Tugma (Nafis va sokin) */
#ai-chat-bubble {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #0d9488;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 22px;
  cursor: pointer;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  
  /* Yumshoq, ko'zni charchatmaydigan nur */
  box-shadow: 0 8px 24px rgba(13, 148, 136, 0.35);
  transition: all 0.2s ease;
}

#ai-chat-bubble:hover {
  transform: translateY(-2px);
  background: #14b8a6;
  box-shadow: 0 12px 28px rgba(13, 148, 136, 0.45);
}

#ai-chat-bubble:active {
  transform: scale(0.95);
}

/* 2. Chat Oynasi (Zamonaviy Dark Glassmorphism) */
#ai-chat-window {
  position: fixed;
  bottom: 90px;
  right: 24px;
  width: 360px;
  max-width: calc(100vw - 32px);
  height: 500px;
  background: rgba(12, 19, 25, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  display: none;
  flex-direction: column;
  overflow: hidden;
  z-index: 99999;
  font-family: inherit;
  animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 3. Header qismi */
#ai-chat-header {
  background: rgba(255, 255, 255, 0.03);
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.chat-title-box {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #f8fafc;
  font-weight: 600;
  font-size: 14px;
}

.chat-status-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10b981;
}

#ai-chat-close {
  color: #94a3b8;
  cursor: pointer;
  font-size: 16px;
  padding: 4px;
  border-radius: 6px;
  transition: all 0.15s;
}
#ai-chat-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

/* 4. Xabarlar ro'yxati */
#ai-chat-messages {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#ai-chat-messages::-webkit-scrollbar { width: 4px; }
#ai-chat-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

/* Xabarlar */
.chat-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13.5px;
  line-height: 1.45;
  word-break: break-word;
}

.chat-msg.bot {
  background: rgba(255, 255, 255, 0.05);
  color: #e2e8f0;
  align-self: flex-start;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom-left-radius: 3px;
}

.chat-msg.user {
  background: #0d9488;
  color: #ffffff;
  align-self: flex-end;
  border-bottom-right-radius: 3px;
}

/* 5. PDF Yuklab Olish Tugmasi (Zamonaviy va qulay) */
.ai-3d-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  padding: 8px 14px;
  background: #0d9488;
  color: #ffffff !important;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  border-radius: 10px;
  transition: all 0.15s ease;
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
}

.ai-3d-btn:hover {
  background: #14b8a6;
  transform: translateY(-1px);
}

.ai-3d-btn:active {
  transform: scale(0.97);
}

/* 6. Pastki Kiritish Maydoni */
#ai-chat-footer {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  gap: 8px;
}

#ai-chat-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff;
  padding: 9px 13px;
  border-radius: 10px;
  font-size: 13.5px;
  outline: none;
  transition: border-color 0.2s;
}

#ai-chat-input:focus {
  border-color: #0d9488;
}

#ai-chat-input::placeholder { color: #64748b; }

/* Skrepka va Yuborish tugmalari */
.chat-icon-btn {
  background: rgba(255, 255, 255, 0.06);
  color: #94a3b8;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 11px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 15px;
  transition: all 0.15s;
}

.chat-icon-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

#ai-chat-send {
  background: #0d9488;
  color: #ffffff;
  border: none;
  padding: 9px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  transition: all 0.15s;
}

#ai-chat-send:hover {
  background: #14b8a6;
}

#ai-chat-send:active {
  transform: scale(0.96);
}