/* ==========================================================================
   Deccan Imperia — AI Concierge Luxury Floating Chatbot
   ========================================================================== */

:root {
  --chat-navy: #071d3b;
  --chat-navy-dark: #041226;
  --chat-navy-light: #102f57;
  --chat-gold: #b28a55;
  --chat-gold-light: #d4af7a;
  --chat-bg: #f8fafc;
  --chat-card-bg: #ffffff;
  --chat-border: rgba(7, 29, 59, 0.12);
  --chat-text-main: #071d3b;
  --chat-text-muted: #5a718a;
  --chat-shadow: 0 16px 40px -8px rgba(7, 29, 59, 0.28), 0 0 0 1px rgba(7, 29, 59, 0.08);
}

/* Floating Trigger Button */
.imperia-chat-trigger-wrap {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  pointer-events: none;
  font-family: inherit;
}

.imperia-chat-greeting-bubble {
  pointer-events: auto;
  position: relative;
  background: #ffffff;
  color: var(--chat-navy);
  padding: 12px 34px 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--chat-gold);
  box-shadow: 0 10px 25px -5px rgba(7, 29, 59, 0.18);
  font-size: 13px;
  line-height: 1.45;
  max-width: 270px;
  margin-bottom: 12px;
  opacity: 0;
  transform: translateY(12px) scale(0.95);
  transition: opacity 0.35s ease, transform 0.35s ease;
  display: none;
}

.imperia-chat-greeting-bubble.is-visible {
  display: block;
  opacity: 1;
  transform: translateY(0) scale(1);
}

.imperia-chat-greeting-bubble strong {
  display: block;
  color: var(--chat-gold);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 3px;
}

.imperia-chat-greeting-close {
  position: absolute;
  top: 6px;
  right: 8px;
  background: none;
  border: none;
  color: var(--chat-text-muted);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  padding: 4px;
}
.imperia-chat-greeting-close:hover {
  color: var(--chat-navy);
}

.imperia-chat-trigger-btn {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--chat-navy);
  color: #ffffff;
  border: 1.5px solid var(--chat-gold);
  padding: 10px 18px 10px 14px;
  border-radius: 36px;
  box-shadow: 0 8px 24px -4px rgba(7, 29, 59, 0.35);
  cursor: pointer;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.22s ease, background 0.2s ease;
}

.imperia-chat-trigger-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 30px -4px rgba(7, 29, 59, 0.45);
  background: var(--chat-navy-dark);
}

.imperia-chat-trigger-btn:active {
  transform: translateY(0) scale(0.98);
}

.imperia-chat-icon-box {
  position: relative;
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid rgba(178, 138, 85, 0.4);
}

.imperia-chat-icon-box svg {
  width: 20px;
  height: 20px;
  fill: #ffffff;
}

.imperia-chat-pulse-dot {
  position: absolute;
  top: 1px;
  right: 1px;
  width: 9px;
  height: 9px;
  background: #10b981;
  border: 2px solid var(--chat-navy);
  border-radius: 50%;
}

.imperia-chat-trigger-labels {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.imperia-chat-trigger-title {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: #ffffff;
}

.imperia-chat-trigger-sub {
  font-size: 10.5px;
  color: var(--chat-gold-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Chat Drawer Window */
.imperia-chat-window {
  pointer-events: auto;
  position: fixed;
  bottom: 88px;
  right: 24px;
  z-index: 99999;
  width: min(410px, calc(100vw - 32px));
  height: min(620px, calc(100vh - 110px));
  background: var(--chat-bg);
  border-radius: 16px;
  box-shadow: var(--chat-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  overscroll-behavior: contain;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.96);
  transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1), transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.28s;
  border: 1px solid var(--chat-border);
}

.imperia-chat-window.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* Header */
.imperia-chat-header {
  background: var(--chat-navy);
  color: #ffffff;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid var(--chat-gold);
}

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

.imperia-chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: #ffffff;
  padding: 4px;
  display: grid;
  place-items: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.imperia-chat-avatar img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.imperia-chat-header-info h4 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #ffffff;
}

.imperia-chat-header-status {
  margin-top: 2px;
  font-size: 11px;
  color: #bbf7d0;
  display: flex;
  align-items: center;
  gap: 5px;
}

.imperia-chat-header-status::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: #10b981;
  border-radius: 50%;
}

.imperia-chat-header-tools {
  display: flex;
  align-items: center;
  gap: 8px;
}

.imperia-chat-tool-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #ffffff;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 14px;
  transition: background 0.15s;
}

.imperia-chat-tool-btn:hover {
  background: rgba(255, 255, 255, 0.22);
}

.imperia-chat-tool-btn.spinning {
  animation: imperiaSpin 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes imperiaSpin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Chat Messages Scroll Container */
.imperia-chat-messages {
  flex: 1 1 auto;
  min-height: 0;
  padding: 16px;
  overflow-y: auto !important;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
  scrollbar-width: thin;
  scrollbar-color: rgba(178, 138, 85, 0.5) rgba(7, 29, 59, 0.04);
}

/* Custom Sleek Luxury Scrollbar */
.imperia-chat-messages::-webkit-scrollbar {
  width: 6px;
}

.imperia-chat-messages::-webkit-scrollbar-track {
  background: rgba(7, 29, 59, 0.04);
  border-radius: 8px;
  margin: 4px 0;
}

.imperia-chat-messages::-webkit-scrollbar-thumb {
  background: rgba(178, 138, 85, 0.5);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.imperia-chat-messages::-webkit-scrollbar-thumb:hover {
  background: var(--chat-gold);
}

/* Message Bubble Base */
.imperia-chat-msg {
  display: flex;
  flex-direction: column;
  max-width: 86%;
  animation: imperiaFadeIn 0.24s ease forwards;
}

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

/* User Message */
.imperia-chat-msg.user {
  align-self: flex-end;
}

.imperia-chat-msg.user .imperia-chat-bubble {
  background: var(--chat-navy);
  color: #ffffff;
  border-radius: 14px 14px 2px 14px;
  padding: 11px 15px;
  font-size: 13.5px;
  line-height: 1.45;
  box-shadow: 0 2px 8px rgba(7, 29, 59, 0.12);
}

/* Bot Message */
.imperia-chat-msg.bot {
  align-self: flex-start;
}

.imperia-chat-msg.bot .imperia-chat-bubble {
  background: var(--chat-card-bg);
  color: var(--chat-text-main);
  border: 1px solid var(--chat-border);
  border-radius: 14px 14px 14px 2px;
  padding: 13px 16px;
  font-size: 13.5px;
  line-height: 1.5;
  box-shadow: 0 2px 6px rgba(7, 29, 59, 0.04);
}

.imperia-chat-msg.bot .imperia-chat-bubble p {
  margin: 0 0 8px 0;
}
.imperia-chat-msg.bot .imperia-chat-bubble p:last-child {
  margin-bottom: 0;
}

.imperia-chat-msg.bot .imperia-chat-bubble strong {
  color: var(--chat-navy-dark);
  font-weight: 600;
}

.imperia-chat-msg.bot .imperia-chat-bubble ul {
  margin: 6px 0;
  padding-left: 20px;
}
.imperia-chat-msg.bot .imperia-chat-bubble li {
  margin-bottom: 4px;
}

/* Bot Feedback bar */
.imperia-chat-feedback-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 5px;
  padding-left: 4px;
}

.imperia-chat-feedback-btn {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  padding: 2px 4px;
  font-size: 13px;
  line-height: 1;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}

.imperia-chat-feedback-btn:hover {
  color: var(--chat-navy);
  background: #e2e8f0;
}

.imperia-chat-feedback-btn.rated {
  color: var(--chat-gold);
  pointer-events: none;
}

/* Contextual Action Buttons */
.imperia-chat-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.imperia-action-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ffffff;
  color: var(--chat-navy);
  border: 1px solid var(--chat-gold);
  padding: 7px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.18s ease;
  box-shadow: 0 1px 3px rgba(7, 29, 59, 0.06);
}

.imperia-action-chip:hover {
  background: var(--chat-navy);
  color: #ffffff;
  border-color: var(--chat-navy);
}

.imperia-action-chip.whatsapp {
  border-color: #25d366;
  color: #128c7e;
}
.imperia-action-chip.whatsapp:hover {
  background: #25d366;
  color: #ffffff;
  border-color: #25d366;
}

/* Suggested Question Chips */
.imperia-chat-suggested-wrap {
  margin-top: 4px;
}

.imperia-chat-suggested-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--chat-text-muted);
  margin-bottom: 8px;
}

.imperia-chat-suggested-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.imperia-chat-suggested-btn {
  background: #ffffff;
  border: 1px solid rgba(7, 29, 59, 0.14);
  color: var(--chat-navy);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 12.5px;
  text-align: left;
  cursor: pointer;
  line-height: 1.35;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}

.imperia-chat-suggested-btn:hover {
  background: #ffffff;
  border-color: var(--chat-gold);
  transform: translateX(3px);
  color: var(--chat-gold);
}

/* Typing Indicator */
.imperia-chat-typing {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--chat-card-bg);
  border: 1px solid var(--chat-border);
  border-radius: 12px;
  padding: 10px 14px;
}

.imperia-chat-typing span {
  width: 6px;
  height: 6px;
  background: var(--chat-gold);
  border-radius: 50%;
  animation: imperiaBounce 1.2s infinite ease-in-out;
}
.imperia-chat-typing span:nth-child(2) {
  animation-delay: 0.2s;
}
.imperia-chat-typing span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes imperiaBounce {
  0%, 80%, 100% {
    transform: scale(0.6);
    opacity: 0.4;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Footer & Input */
.imperia-chat-footer {
  background: #ffffff;
  border-top: 1px solid var(--chat-border);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.imperia-chat-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.imperia-chat-input {
  flex: 1;
  border: 1px solid rgba(7, 29, 59, 0.18);
  border-radius: 24px;
  padding: 10px 16px;
  font-size: 13.5px;
  outline: none;
  font-family: inherit;
  color: var(--chat-navy);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.imperia-chat-input:focus {
  border-color: var(--chat-gold);
  box-shadow: 0 0 0 2px rgba(178, 138, 85, 0.18);
}

.imperia-chat-send-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--chat-navy);
  border: 1px solid var(--chat-gold);
  color: #ffffff;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform 0.18s, background 0.18s;
  flex-shrink: 0;
}

.imperia-chat-send-btn svg {
  width: 16px;
  height: 16px;
  fill: #ffffff;
  margin-left: 2px;
}

.imperia-chat-send-btn:hover {
  background: var(--chat-gold);
  transform: scale(1.05);
}

.imperia-chat-send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.imperia-chat-disclaimer {
  font-size: 10px;
  color: var(--chat-text-muted);
  text-align: center;
  letter-spacing: 0.02em;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .imperia-chat-trigger-wrap {
    bottom: 16px;
    right: 14px;
  }
  .imperia-chat-trigger-labels {
    display: none !important;
  }
  .imperia-chat-greeting-bubble {
    display: none !important;
  }
  .imperia-chat-trigger-btn {
    padding: 0 !important;
    width: 48px !important;
    height: 48px !important;
    border-radius: 50% !important;
    justify-content: center !important;
    gap: 0 !important;
  }
  .imperia-chat-window {
    inset: 0 0 0 0;
    width: 100vw;
    height: 100%;
    max-height: 100%;
    border-radius: 0;
    bottom: 0;
    right: 0;
    border: none;
  }
  .imperia-chat-header {
    padding-top: max(16px, env(safe-area-inset-top));
  }
  .imperia-chat-footer {
    padding-bottom: max(12px, env(safe-area-inset-bottom));
  }
}