/* ===== Chat Widget ===== */

/* ── Floating Chat Button ── */
.chat-fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent, #E8A850);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(44, 36, 22, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.25s ease,
              background 0.2s ease;
  font-size: 24px;
}

.chat-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 32px rgba(44, 36, 22, 0.24);
  background: var(--accent-deep, #D4923A);
}

.chat-fab:active {
  transform: scale(0.96);
}

.chat-fab .badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #E84855;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: none;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.chat-fab .badge.visible {
  display: flex;
}

/* ── Chat Panel ── */
.chat-panel {
  position: fixed;
  bottom: 96px;
  right: 28px;
  width: 380px;
  max-width: calc(100vw - 40px);
  height: 520px;
  max-height: calc(100vh - 140px);
  background: var(--bg-card, #FFFBF5);
  border-radius: var(--radius-lg, 20px);
  box-shadow: 0 8px 40px rgba(44, 36, 22, 0.15),
              0 2px 8px rgba(44, 36, 22, 0.06);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  overflow: hidden;
  transform-origin: bottom right;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 0.3s ease;
}

.chat-panel.hidden {
  transform: scale(0.85);
  opacity: 0;
  pointer-events: none;
}

/* ── Chat Header ── */
.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border, #E8DFD0);
  background: var(--bg, #FAF7F2);
  border-radius: var(--radius-lg, 20px) var(--radius-lg, 20px) 0 0;
  flex-shrink: 0;
}

.chat-header-info {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.chat-header-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--secondary-light, #E8F2F4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  overflow: hidden;
}

.chat-header-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.chat-header-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text, #2C2416);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-header-status {
  font-size: 0.75rem;
  color: var(--text-muted, #6B5E4A);
}

.chat-close-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--text-muted, #6B5E4A);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  transition: background 0.2s, color 0.2s;
  flex-shrink: 0;
}

.chat-close-btn:hover {
  background: var(--border, #E8DFD0);
  color: var(--text, #2C2416);
}

/* ── Chat Messages Area ── */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar {
  width: 5px;
}

.chat-messages::-webkit-scrollbar-track {
  background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: var(--border, #E8DFD0);
  border-radius: 9999px;
}

/* ── Load More Trigger ── */
.chat-load-more {
  text-align: center;
  padding: 8px 0;
}

.chat-load-more-btn {
  font-size: 0.78rem;
  color: var(--secondary, #6B9EAB);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 12px;
  border-radius: var(--radius-pill, 9999px);
  transition: background 0.2s;
}

.chat-load-more-btn:hover {
  background: var(--secondary-light, #E8F2F4);
}

.chat-load-more-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Date Divider ── */
.chat-date-divider {
  text-align: center;
  margin: 8px 0;
}

.chat-date-divider span {
  font-size: 0.72rem;
  color: var(--text-light, #9B8E7A);
  background: var(--bg-card, #FFFBF5);
  padding: 2px 12px;
  border-radius: var(--radius-pill, 9999px);
}

/* ── Message Bubble ── */
.chat-msg {
  display: flex;
  flex-direction: column;
  max-width: 80%;
  animation: msgIn 0.25s ease-out;
}

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

.chat-msg.mine {
  align-self: flex-end;
}

.chat-msg.theirs {
  align-self: flex-start;
}

.chat-msg .bubble {
  padding: 10px 14px;
  border-radius: 18px;
  font-size: 0.9rem;
  line-height: 1.5;
  word-break: break-word;
  position: relative;
}

.chat-msg.mine .bubble {
  background: var(--accent, #E8A850);
  color: #fff;
  border-bottom-right-radius: 6px;
}

.chat-msg.theirs .bubble {
  background: var(--secondary-light, #E8F2F4);
  color: var(--text, #2C2416);
  border-bottom-left-radius: 6px;
}

.chat-msg .time {
  font-size: 0.68rem;
  color: var(--text-light, #9B8E7A);
  margin-top: 3px;
  padding: 0 4px;
}

.chat-msg.mine .time {
  text-align: right;
}

/* ── System Message ── */
.chat-msg.system {
  align-self: center;
  max-width: 90%;
}

.chat-msg.system .bubble {
  background: transparent;
  color: var(--text-light, #9B8E7A);
  font-size: 0.78rem;
  text-align: center;
  padding: 4px 12px;
}

/* ── Input Area ── */
.chat-input-area {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 12px 18px;
  border-top: 1px solid var(--border, #E8DFD0);
  background: var(--bg, #FAF7F2);
  border-radius: 0 0 var(--radius-lg, 20px) var(--radius-lg, 20px);
  flex-shrink: 0;
}

.chat-input {
  flex: 1;
  border: 1.5px solid var(--border, #E8DFD0);
  border-radius: 20px;
  padding: 10px 16px;
  font-family: inherit;
  font-size: 0.9rem;
  resize: none;
  outline: none;
  background: #fff;
  color: var(--text, #2C2416);
  line-height: 1.4;
  max-height: 100px;
  transition: border-color 0.2s;
}

.chat-input:focus {
  border-color: var(--accent, #E8A850);
}

.chat-input::placeholder {
  color: var(--text-light, #9B8E7A);
}

.chat-send-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--accent, #E8A850);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s, transform 0.15s;
  font-size: 20px;
}

.chat-send-btn:hover {
  background: var(--accent-deep, #D4923A);
}

.chat-send-btn:active {
  transform: scale(0.93);
}

.chat-send-btn:disabled {
  background: var(--border, #E8DFD0);
  cursor: not-allowed;
  transform: none;
}

/* ── Empty / Loading States ── */
.chat-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-muted, #6B5E4A);
  padding: 24px;
  text-align: center;
}

.chat-empty-icon {
  font-size: 40px;
  opacity: 0.6;
}

.chat-empty-text {
  font-size: 0.9rem;
}

.chat-empty-sub {
  font-size: 0.78rem;
  color: var(--text-light, #9B8E7A);
}

/* ── Typing Indicator ── */
.chat-typing {
  align-self: flex-start;
  display: flex;
  gap: 4px;
  padding: 8px 14px;
  margin-left: 0;
}

.chat-typing .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-light, #9B8E7A);
  animation: typingBounce 1.4s infinite ease-in-out;
}

.chat-typing .dot:nth-child(2) {
  animation-delay: 0.2s;
}

.chat-typing .dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* ── Responsive ── */
@media (max-width: 480px) {
  .chat-panel {
    bottom: 0;
    right: 0;
    width: 100%;
    max-width: 100vw;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
  }

  .chat-header {
    border-radius: 0;
  }

  .chat-input-area {
    border-radius: 0;
  }

  .chat-fab {
    bottom: 20px;
    right: 20px;
  }
}