/**
 * chat-ui.css
 * ───────────
 * All styles for the Visit Africa 21 chat widget.
 * Scoped under .vaf-chat-widget to prevent conflicts with the site.
 *
 * Design language: warm earthy tones — deep forest greens, amber/ochre,
 * warm off-whites — evoking the African landscape.
 */

/* ── Google Fonts ─────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&display=swap');

/* ── Design Tokens ────────────────────────────────────────────────────────── */
.vaf-chat-widget {
  --vaf-green-dark:   #1e3a0f;
  --vaf-green:        #2d5016;
  --vaf-green-mid:    #3d6b1e;
  --vaf-amber:        #c8783a;
  --vaf-amber-light:  #e09255;
  --vaf-amber-pale:   #f5e6d3;
  --vaf-sand:         #f0e8d8;
  --vaf-cream:        #faf6f0;
  --vaf-warm-white:   #fffdf9;
  --vaf-text:         #2a1f0e;
  --vaf-text-muted:   #6b5a45;
  --vaf-text-light:   #9a8070;
  --vaf-border:       rgba(200, 120, 58, 0.18);
  --vaf-shadow:       0 8px 40px rgba(30, 58, 15, 0.18);
  --vaf-shadow-sm:    0 2px 12px rgba(30, 58, 15, 0.12);
  --vaf-radius:       16px;
  --vaf-radius-msg:   14px;
  --vaf-font-chat:    'DM Sans', system-ui, sans-serif;
  --vaf-font-serif:   'Playfair Display', Georgia, serif;
  --vaf-transition:   0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --vaf-z:            9999;
}

/* ── Bubble ───────────────────────────────────────────────────────────────── */
.vaf-chat-widget .vaf-bubble {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: var(--vaf-z);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--vaf-amber) 0%, var(--vaf-green) 100%);
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 24px rgba(45, 80, 22, 0.4), 0 2px 8px rgba(200, 120, 58, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  outline: none;
}

.vaf-chat-widget .vaf-bubble:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 10px 32px rgba(45, 80, 22, 0.5), 0 4px 12px rgba(200, 120, 58, 0.35);
}

.vaf-chat-widget .vaf-bubble:active {
  transform: scale(0.97);
}

.vaf-chat-widget .vaf-bubble-icon {
  width: 28px;
  height: 28px;
  color: #fff;
  transition: opacity 0.2s ease;
}

.vaf-chat-widget .vaf-bubble-icon--close {
  display: none;
}

.vaf-chat-widget.vaf-open .vaf-bubble-icon--chat {
  display: none;
}

.vaf-chat-widget.vaf-open .vaf-bubble-icon--close {
  display: block;
}

/* ── Unread Badge ─────────────────────────────────────────────────────────── */
.vaf-chat-widget .vaf-badge {
  position: absolute;
  top: -3px;
  right: -3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #e8402a;
  color: #fff;
  font-family: var(--vaf-font-chat);
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
  opacity: 0;
  transform: scale(0.4);
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
}

.vaf-chat-widget .vaf-badge.vaf-badge--visible {
  opacity: 1;
  transform: scale(1);
}

/* ── Panel ────────────────────────────────────────────────────────────────── */
.vaf-chat-widget .vaf-panel {
  position: fixed;
  bottom: 100px;
  right: 28px;
  z-index: var(--vaf-z);
  width: 370px;
  max-height: 580px;
  display: flex;
  flex-direction: column;
  background: var(--vaf-cream);
  border-radius: var(--vaf-radius);
  border: 1px solid var(--vaf-border);
  box-shadow: var(--vaf-shadow);
  overflow: hidden;

  /* Closed state */
  opacity: 0;
  transform: translateY(16px) scale(0.97);
  pointer-events: none;
  transition: opacity var(--vaf-transition), transform var(--vaf-transition);
  transform-origin: bottom right;
}

.vaf-chat-widget.vaf-open .vaf-panel {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

/* ── Panel Header ─────────────────────────────────────────────────────────── */
.vaf-chat-widget .vaf-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: linear-gradient(135deg, var(--vaf-green-dark) 0%, var(--vaf-green-mid) 100%);
  flex-shrink: 0;
}

.vaf-chat-widget .vaf-header-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--vaf-amber) 0%, var(--vaf-amber-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 20px;
  line-height: 1;
}

.vaf-chat-widget .vaf-header-text {
  flex: 1;
  min-width: 0;
}

.vaf-chat-widget .vaf-header-name {
  font-family: var(--vaf-font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.vaf-chat-widget .vaf-header-status {
  font-family: var(--vaf-font-chat);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.72);
  margin-top: 2px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.vaf-chat-widget .vaf-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #5cdd8b;
  display: inline-block;
  box-shadow: 0 0 0 2px rgba(92,221,139,0.25);
}

/* ── Message List ─────────────────────────────────────────────────────────── */
.vaf-chat-widget .vaf-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth;
  background: var(--vaf-cream);
}

.vaf-chat-widget .vaf-messages::-webkit-scrollbar {
  width: 4px;
}
.vaf-chat-widget .vaf-messages::-webkit-scrollbar-track {
  background: transparent;
}
.vaf-chat-widget .vaf-messages::-webkit-scrollbar-thumb {
  background: rgba(200, 120, 58, 0.25);
  border-radius: 4px;
}

/* ── Message Bubbles ──────────────────────────────────────────────────────── */
.vaf-chat-widget .vaf-msg {
  display: flex;
  flex-direction: column;
  max-width: 86%;
  animation: vaf-msg-in 0.25s ease both;
}

@keyframes vaf-msg-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.vaf-chat-widget .vaf-msg--user {
  align-self: flex-end;
  align-items: flex-end;
}

.vaf-chat-widget .vaf-msg--bot {
  align-self: flex-start;
  align-items: flex-start;
}

.vaf-chat-widget .vaf-msg-bubble {
  padding: 10px 14px;
  border-radius: var(--vaf-radius-msg);
  font-family: var(--vaf-font-chat);
  font-size: 0.875rem;
  line-height: 1.55;
  word-break: break-word;
  white-space: pre-wrap;
}

.vaf-chat-widget .vaf-msg--user .vaf-msg-bubble {
  background: linear-gradient(135deg, var(--vaf-amber) 0%, #b86b2a 100%);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.vaf-chat-widget .vaf-msg--bot .vaf-msg-bubble {
  background: var(--vaf-warm-white);
  color: var(--vaf-text);
  border: 1px solid var(--vaf-border);
  border-bottom-left-radius: 4px;
}

.vaf-chat-widget .vaf-msg-time {
  font-family: var(--vaf-font-chat);
  font-size: 0.67rem;
  color: var(--vaf-text-light);
  margin-top: 4px;
  padding: 0 2px;
}

/* ── Typing Indicator ─────────────────────────────────────────────────────── */
.vaf-chat-widget .vaf-typing {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--vaf-warm-white);
  border: 1px solid var(--vaf-border);
  border-radius: var(--vaf-radius-msg);
  border-bottom-left-radius: 4px;
  align-self: flex-start;
  max-width: 80px;
}

.vaf-chat-widget .vaf-typing-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--vaf-amber);
  opacity: 0.4;
  animation: vaf-dot 1.2s ease-in-out infinite;
}

.vaf-chat-widget .vaf-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.vaf-chat-widget .vaf-typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes vaf-dot {
  0%, 60%, 100% { opacity: 0.4; transform: translateY(0); }
  30%           { opacity: 1;   transform: translateY(-5px); }
}

/* ── Quick Reply Chips ────────────────────────────────────────────────────── */
.vaf-chat-widget .vaf-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 4px 0 2px;
  align-self: flex-start;
}

.vaf-chat-widget .vaf-chip {
  font-family: var(--vaf-font-chat);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--vaf-green);
  background: var(--vaf-sand);
  border: 1px solid rgba(45, 80, 22, 0.22);
  border-radius: 50px;
  padding: 6px 13px;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, transform 0.15s ease;
  white-space: nowrap;
  outline: none;
}

.vaf-chat-widget .vaf-chip:hover {
  background: var(--vaf-green);
  color: #fff;
  border-color: var(--vaf-green);
  transform: translateY(-1px);
}

.vaf-chat-widget .vaf-chip:active {
  transform: translateY(0);
}

/* ── Input Area ───────────────────────────────────────────────────────────── */
.vaf-chat-widget .vaf-input-area {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 12px 16px 16px;
  border-top: 1px solid var(--vaf-border);
  background: var(--vaf-warm-white);
  flex-shrink: 0;
}

.vaf-chat-widget .vaf-textarea {
  flex: 1;
  min-height: 40px;
  max-height: 120px;
  resize: none;
  border: 1px solid var(--vaf-border);
  border-radius: 12px;
  padding: 10px 14px;
  font-family: var(--vaf-font-chat);
  font-size: 0.875rem;
  color: var(--vaf-text);
  background: var(--vaf-cream);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  line-height: 1.5;
  overflow-y: auto;
}

.vaf-chat-widget .vaf-textarea::placeholder {
  color: var(--vaf-text-light);
}

.vaf-chat-widget .vaf-textarea:focus {
  border-color: var(--vaf-amber);
  box-shadow: 0 0 0 3px rgba(200, 120, 58, 0.12);
}

.vaf-chat-widget .vaf-send-btn {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--vaf-amber) 0%, var(--vaf-green) 100%);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}

.vaf-chat-widget .vaf-send-btn:hover {
  transform: scale(1.08);
  box-shadow: var(--vaf-shadow-sm);
}

.vaf-chat-widget .vaf-send-btn:active {
  transform: scale(0.96);
}

.vaf-chat-widget .vaf-send-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.vaf-chat-widget .vaf-send-icon {
  width: 18px;
  height: 18px;
}

/* ── Lead Capture Form ────────────────────────────────────────────────────── */
.vaf-chat-widget .vaf-lead-form {
  padding: 16px;
  background: var(--vaf-sand);
  border-radius: var(--vaf-radius-msg);
  border: 1px solid var(--vaf-border);
  align-self: flex-start;
  width: 100%;
  box-sizing: border-box;
  animation: vaf-msg-in 0.3s ease both;
}

.vaf-chat-widget .vaf-lead-intro {
  font-family: var(--vaf-font-chat);
  font-size: 0.85rem;
  color: var(--vaf-text);
  line-height: 1.55;
  margin-bottom: 14px;
}

.vaf-chat-widget .vaf-lead-inner-form {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.vaf-chat-widget .vaf-lead-input,
.vaf-chat-widget .vaf-lead-textarea {
  font-family: var(--vaf-font-chat);
  font-size: 0.82rem;
  color: var(--vaf-text);
  background: var(--vaf-warm-white);
  border: 1px solid var(--vaf-border);
  border-radius: 10px;
  padding: 9px 12px;
  outline: none;
  width: 100%;
  box-sizing: border-box;
  transition: border-color 0.2s ease;
}

.vaf-chat-widget .vaf-lead-input::placeholder,
.vaf-chat-widget .vaf-lead-textarea::placeholder {
  color: var(--vaf-text-light);
}

.vaf-chat-widget .vaf-lead-input:focus,
.vaf-chat-widget .vaf-lead-textarea:focus {
  border-color: var(--vaf-amber);
}

.vaf-chat-widget .vaf-lead-textarea {
  resize: none;
  padding-top: 9px;
}

.vaf-chat-widget .vaf-lead-submit {
  font-family: var(--vaf-font-chat);
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--vaf-amber) 0%, var(--vaf-green) 100%);
  border: none;
  border-radius: 10px;
  padding: 10px 16px;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.15s ease;
  text-align: center;
}

.vaf-chat-widget .vaf-lead-submit:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.vaf-chat-widget .vaf-lead-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.vaf-chat-widget .vaf-lead-error {
  font-family: var(--vaf-font-chat);
  font-size: 0.78rem;
  color: #c0392b;
  margin-top: 2px;
}

.vaf-chat-widget .vaf-lead-success {
  text-align: center;
  padding: 10px 4px;
}

.vaf-chat-widget .vaf-lead-success-icon {
  font-size: 2.2rem;
  display: block;
  margin-bottom: 10px;
}

.vaf-chat-widget .vaf-lead-success p {
  font-family: var(--vaf-font-chat);
  font-size: 0.88rem;
  color: var(--vaf-text);
  line-height: 1.55;
  margin: 0 0 6px;
}

.vaf-chat-widget .vaf-lead-success-sub {
  font-size: 0.78rem !important;
  color: var(--vaf-text-muted) !important;
}

.vaf-chat-widget .vaf-lead-success a {
  color: var(--vaf-amber);
  text-decoration: none;
  font-weight: 500;
}

.vaf-chat-widget .vaf-lead-success a:hover {
  text-decoration: underline;
}

/* ── Powered By Footer ────────────────────────────────────────────────────── */
.vaf-chat-widget .vaf-powered {
  display: block;
  text-align: center;
  font-family: var(--vaf-font-chat);
  font-size: 0.65rem;
  color: var(--vaf-text-light);
  padding: 6px 0 10px;
  background: var(--vaf-warm-white);
  letter-spacing: 0.02em;
}

/* ── Mobile Responsive ────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .vaf-chat-widget .vaf-panel {
    right: 12px;
    left: 12px;
    width: auto;
    bottom: 88px;
    max-height: calc(100dvh - 110px);
  }

  .vaf-chat-widget .vaf-bubble {
    bottom: 18px;
    right: 18px;
  }
}