/* =============================================================================
   PPM AI Chatbot Widget — Frontend Styles
   ============================================================================= */

/* ─── CSS VARIABLES (overridden by JS with admin color) ─── */
:root {
  --ppm-primary:   #0098A1;
  --ppm-secondary: #FF8F00;
  --ppm-white:     #ffffff;
  --ppm-dark:      #1B1B1B;
  --ppm-gray:      #555;
  --ppm-light:     #f5f5f5;
  --ppm-border:    #e0e0e0;
  --ppm-radius:    16px;
  --ppm-shadow:    0 8px 40px rgba(0,0,0,.18);
  --ppm-transition: .25s ease;
}

/* ─── FLOATING BUTTON ─── */
#ppm-chat-toggle {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9998;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: var(--ppm-primary);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0,152,161,.45);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  transition: transform var(--ppm-transition), box-shadow var(--ppm-transition);
  animation: ppm-bounce-in .6s cubic-bezier(.18,.89,.32,1.28) both;
}
#ppm-chat-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 28px rgba(0,152,161,.5);
}
#ppm-chat-toggle.ppm-pos-left { right: auto; left: 28px; }

#ppm-chat-toggle .ppm-btn-icon { line-height: 1; }
#ppm-chat-toggle .ppm-btn-close { display: none; font-size: 1.4rem; line-height: 1; color: #fff; font-weight: 300; }
#ppm-chat-toggle.ppm-open .ppm-btn-icon  { display: none; }
#ppm-chat-toggle.ppm-open .ppm-btn-close { display: flex; align-items: center; justify-content: center; }

/* Unread badge */
.ppm-unread-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--ppm-secondary);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
}

/* ─── CHAT PANEL ─── */
#ppm-chat-panel {
  position: fixed;
  bottom: 104px;
  right: 28px;
  z-index: 9999;
  width: 380px;
  height: 520px;
  background: var(--ppm-white);
  border-radius: var(--ppm-radius) var(--ppm-radius) 0 0;
  box-shadow: var(--ppm-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(20px) scale(.96);
  opacity: 0;
  pointer-events: none;
  transition: transform .3s cubic-bezier(.18,.89,.32,1.1), opacity .25s ease;
}
#ppm-chat-panel.ppm-panel-open {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: all;
}
#ppm-chat-panel.ppm-pos-left { right: auto; left: 28px; }

/* ─── PANEL HEADER ─── */
.ppm-chat-header {
  background: var(--ppm-primary);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  color: #fff;
  flex-shrink: 0;
}
.ppm-chat-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.ppm-chat-header-info { flex: 1; }
.ppm-chat-bot-name { font-weight: 700; font-size: .95rem; display: block; }
.ppm-chat-status { font-size: .72rem; color: rgba(255,255,255,.8); display: flex; align-items: center; gap: .35rem; }
.ppm-status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #69f0ae;
  display: inline-block;
  animation: ppm-pulse 2s infinite;
}
.ppm-chat-close {
  background: rgba(255,255,255,.15);
  border: none;
  color: #fff;
  cursor: pointer;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: background var(--ppm-transition);
}
.ppm-chat-close:hover { background: rgba(255,255,255,.3); }

/* ─── MESSAGES AREA ─── */
.ppm-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  scroll-behavior: smooth;
}
.ppm-messages::-webkit-scrollbar { width: 4px; }
.ppm-messages::-webkit-scrollbar-track { background: transparent; }
.ppm-messages::-webkit-scrollbar-thumb { background: #ddd; border-radius: 2px; }

/* Message bubbles */
.ppm-message { display: flex; flex-direction: column; max-width: 85%; }
.ppm-message.ppm-msg-user  { align-self: flex-end; align-items: flex-end; }
.ppm-message.ppm-msg-bot   { align-self: flex-start; align-items: flex-start; }

.ppm-bubble {
  padding: .65rem .9rem;
  border-radius: 14px;
  font-size: .88rem;
  line-height: 1.55;
  word-break: break-word;
  white-space: pre-wrap;
}
.ppm-msg-user .ppm-bubble {
  background: var(--ppm-secondary);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.ppm-msg-bot .ppm-bubble {
  background: var(--ppm-white);
  color: var(--ppm-dark);
  border: 1px solid var(--ppm-border);
  border-left: 3px solid var(--ppm-primary);
  border-bottom-left-radius: 4px;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}

.ppm-timestamp {
  font-size: .68rem;
  color: #aaa;
  margin-top: .2rem;
  padding-inline: .2rem;
}

/* Phone CTA button */
.ppm-call-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  width: 100%;
  padding: .65rem 1rem;
  background: var(--ppm-primary);
  color: #fff;
  border-radius: 10px;
  font-weight: 700;
  font-size: .88rem;
  text-decoration: none;
  margin-top: .5rem;
  transition: background var(--ppm-transition), transform var(--ppm-transition);
  animation: ppm-cta-pop .4s cubic-bezier(.18,.89,.32,1.28);
}
.ppm-call-cta:hover {
  background: #006F77;
  transform: scale(1.02);
  color: #fff;
}

/* Typing indicator */
.ppm-typing {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: .5rem .75rem;
  background: var(--ppm-white);
  border: 1px solid var(--ppm-border);
  border-left: 3px solid var(--ppm-primary);
  border-radius: 14px;
  border-bottom-left-radius: 4px;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
  width: fit-content;
  align-self: flex-start;
}
.ppm-dot {
  width: 7px;
  height: 7px;
  background: #bbb;
  border-radius: 50%;
  animation: ppm-dot-bounce .9s infinite;
}
.ppm-dot:nth-child(2) { animation-delay: .15s; }
.ppm-dot:nth-child(3) { animation-delay: .3s; }

/* ─── INPUT AREA ─── */
.ppm-input-area {
  border-top: 1px solid var(--ppm-border);
  padding: .75rem;
  display: flex;
  gap: .5rem;
  align-items: flex-end;
  background: var(--ppm-white);
  flex-shrink: 0;
}
#ppm-message-input {
  flex: 1;
  border: 1px solid var(--ppm-border);
  border-radius: 20px;
  padding: .6rem 1rem;
  font-size: .88rem;
  font-family: inherit;
  resize: none;
  max-height: 90px;
  min-height: 38px;
  overflow-y: auto;
  outline: none;
  transition: border-color var(--ppm-transition);
  line-height: 1.4;
}
#ppm-message-input:focus { border-color: var(--ppm-primary); }

#ppm-send-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--ppm-secondary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  transition: background var(--ppm-transition), transform var(--ppm-transition);
}
#ppm-send-btn:hover { background: #E65100; transform: scale(1.08); }
#ppm-send-btn:disabled { background: #ddd; cursor: not-allowed; transform: none; }
#ppm-send-btn svg { display: block; }

/* ─── MOBILE FULL-SCREEN ─── */
@media (max-width: 600px) {
  #ppm-chat-panel {
    position: fixed;
    bottom: 0;
    right: 0;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    border-radius: 0;
  }
  #ppm-chat-toggle { bottom: 20px; right: 20px; }
  #ppm-chat-toggle.ppm-pos-left { right: auto; left: 20px; }
}

/* ─── ANIMATIONS ─── */
@keyframes ppm-bounce-in {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
@keyframes ppm-dot-bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30%           { transform: translateY(-6px); }
}
@keyframes ppm-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: .4; }
}
@keyframes ppm-cta-pop {
  from { transform: scale(.9); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}