/* ═════════════════════════════════════════════════════════════════
   GAUTAM AI CLONE — NEXT-LEVEL FLOATING CHAT UI SYSTEM
   ═════════════════════════════════════════════════════════════════ */

/* 1. Floating Action Button (FAB) Trigger */
.gkm-clone-fab {
  position: fixed !important;
  bottom: 28px !important;
  right: 28px !important;
  z-index: 999999 !important;
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  padding: 10px 18px 10px 12px !important;
  border-radius: 99px !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  cursor: pointer !important;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1) !important;
  user-select: none !important;
  visibility: visible !important;
  opacity: 1 !important;
}

/* Light Mode FAB (Default / html:not(.dark)) */
html:not(.dark) .gkm-clone-fab,
body:not(.dark) .gkm-clone-fab {
  background: #FFFFFF !important;
  color: #0F172A !important;
  border: 1.5px solid #BFDBFE !important;
  box-shadow: 0 12px 35px rgba(37, 99, 235, 0.25), 0 4px 15px rgba(0, 0, 0, 0.08) !important;
}

html:not(.dark) .gkm-fab-title {
  color: #0F172A !important;
  font-weight: 700 !important;
}

html:not(.dark) .gkm-fab-subtitle {
  color: #2563EB !important;
  font-weight: 600 !important;
}

/* Dark Mode FAB (html.dark) */
html.dark .gkm-clone-fab,
.dark .gkm-clone-fab {
  background: rgba(15, 23, 42, 0.92) !important;
  color: #FFFFFF !important;
  border: 1px solid rgba(59, 130, 246, 0.4) !important;
  box-shadow: 0 12px 35px rgba(37, 99, 235, 0.35), 0 0 20px rgba(59, 130, 246, 0.2) !important;
}

html.dark .gkm-fab-title {
  color: #FFFFFF !important;
}

html.dark .gkm-fab-subtitle {
  color: #3B82F6 !important;
}

.gkm-clone-fab:hover {
  transform: translateY(-4px) scale(1.04) !important;
  border-color: #2563EB !important;
  box-shadow: 0 18px 45px rgba(37, 99, 235, 0.45) !important;
}

.gkm-fab-avatar-wrapper {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  overflow: visible;
}

.gkm-fab-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #3B82F6;
}

.gkm-fab-status-dot {
  position: absolute;
  bottom: 1px;
  right: 1px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #10B981;
  border: 2px solid #0F172A;
  box-shadow: 0 0 8px #10B981;
  animation: fabPulse 2s infinite;
}

@keyframes fabPulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.gkm-fab-text {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.gkm-fab-title {
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.gkm-fab-subtitle {
  font-size: 11px;
  color: #3B82F6;
  font-weight: 600;
}

html:not(.dark) .gkm-fab-subtitle {
  color: #2563EB;
}

/* 2. Main Chat Window Drawer */
.gkm-clone-window {
  position: fixed !important;
  bottom: 90px !important;
  right: 28px !important;
  z-index: 1000000 !important;
  width: 400px;
  max-width: calc(100vw - 32px);
  height: 600px;
  max-height: calc(100vh - 120px);
  border-radius: 24px;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(37, 99, 235, 0.2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

html:not(.dark) .gkm-clone-window {
  background: #FFFFFF !important;
  border-color: #E2E8F0 !important;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.18), 0 10px 30px rgba(37, 99, 235, 0.15) !important;
  color: #0F172A !important;
}

.gkm-clone-window.active {
  opacity: 1 !important;
  transform: translateY(0) scale(1) !important;
  pointer-events: auto !important;
  display: flex !important;
  visibility: visible !important;
}

/* 3. Header Bar */
.gkm-clone-header {
  padding: 16px 20px;
  background: rgba(30, 41, 59, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

html:not(.dark) .gkm-clone-header {
  background: rgba(241, 245, 249, 0.9);
  border-bottom-color: rgba(226, 232, 240, 0.9);
}

.gkm-header-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.gkm-header-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #2563EB;
}

.gkm-header-name {
  font-size: 15px;
  font-weight: 700;
  color: #F8FAFC;
  display: flex;
  align-items: center;
  gap: 6px;
}

html:not(.dark) .gkm-header-name {
  color: #0F172A;
}

.gkm-header-role {
  font-size: 11px;
  color: #10B981;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.gkm-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.gkm-header-btn {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: #94A3B8;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 14px;
}

html:not(.dark) .gkm-header-btn {
  background: rgba(0, 0, 0, 0.05);
  color: #64748B;
}

.gkm-header-btn:hover {
  background: #2563EB;
  color: #FFFFFF !important;
}

/* 4. Chat Messages Stream Area */
.gkm-clone-messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-behavior: smooth;
}

.gkm-msg {
  display: flex;
  gap: 12px;
  max-width: 88%;
}

.gkm-msg.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.gkm-msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.gkm-msg-bubble {
  padding: 12px 16px;
  border-radius: 18px;
  font-size: 13.5px;
  line-height: 1.55;
  word-break: break-word;
}

.gkm-msg.bot .gkm-msg-bubble {
  background: rgba(30, 41, 59, 0.85);
  color: #F8FAFC;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-top-left-radius: 4px;
}

html:not(.dark) .gkm-msg.bot .gkm-msg-bubble {
  background: #F1F5F9;
  color: #0F172A;
  border-color: #E2E8F0;
}

.gkm-msg.user .gkm-msg-bubble {
  background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  color: #FFFFFF;
  border-top-right-radius: 4px;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.gkm-msg-time {
  font-size: 10px;
  color: #64748B;
  margin-top: 4px;
  display: block;
  text-align: right;
}

/* Suggested Chips */
.gkm-quick-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 20px 16px 20px;
}

.gkm-prompt-chip {
  padding: 6px 14px;
  border-radius: 99px;
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.35);
  color: #60A5FA;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  user-select: none;
}

.gkm-prompt-chip:hover {
  background: #2563EB !important;
  color: #FFFFFF !important;
  border-color: #3B82F6 !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

/* Light Mode Explicit Overrides */
html:not(.dark) .gkm-prompt-chip {
  background: #EFF6FF !important;
  border-color: #BFDBFE !important;
  color: #1D4ED8 !important;
}

html:not(.dark) .gkm-prompt-chip:hover {
  background: #2563EB !important;
  color: #FFFFFF !important;
  border-color: #1D4ED8 !important;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35) !important;
}

/* Typing Indicator Dots */
.gkm-typing-dots {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
}

.gkm-typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #3B82F6;
  animation: typingBounce 1.4s infinite ease-in-out both;
}

.gkm-typing-dot:nth-child(1) { animation-delay: -0.32s; }
.gkm-typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typingBounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

/* 5. Input Area */
.gkm-clone-input-area {
  padding: 14px 16px;
  background: rgba(30, 41, 59, 0.8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  gap: 10px;
}

html:not(.dark) .gkm-clone-input-area {
  background: rgba(248, 250, 252, 0.95);
  border-top-color: rgba(226, 232, 240, 0.9);
}

.gkm-clone-input {
  flex: 1;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 10px 14px;
  font-size: 13.5px;
  color: #F8FAFC;
  outline: none;
  transition: all 0.2s ease;
}

html:not(.dark) .gkm-clone-input {
  background: #FFFFFF;
  border-color: #CBD5E1;
  color: #0F172A;
}

.gkm-clone-input:focus {
  border-color: #3B82F6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.gkm-send-btn {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: none;
  background: #2563EB;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.gkm-send-btn:hover {
  background: #1D4ED8;
  transform: scale(1.05);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

/* Mobile Responsiveness for Chat Window */
@media (max-width: 480px) {
  .gkm-clone-window {
    right: 12px;
    bottom: 84px;
    width: calc(100vw - 24px);
    height: 520px;
    border-radius: 20px;
  }

  .gkm-clone-fab {
    bottom: 20px;
    right: 20px;
    padding: 8px 14px 8px 10px;
  }
}