/* =============================================
   Praxtify AI Chatbot – Frontend Styles
   Palette: #F9F9FA · #111013 · #60606B
   ============================================= */

:root {
  --px-primary:      #111013;
  --px-secondary:    #60606B;
  --px-background:   #F9F9FA;
  --px-primary-glow: rgba(17,16,19,0.15);

  --px-surface:      #FFFFFF;
  --px-border:       rgba(96,96,107,0.18);
  --px-border-soft:  rgba(96,96,107,0.10);
  --px-bot-bubble:   #FFFFFF;
  --px-user-bubble:  #111013;
  --px-text:         #111013;
  --px-text-muted:   #60606B;

  --px-radius:       18px;
  --px-shadow:       0 24px 64px rgba(17,16,19,0.14), 0 4px 16px rgba(17,16,19,0.07);
  --px-toggle-size:  58px;
  --px-width:        380px;
  --px-height:       580px;
  --px-z:            99999;
}

/* ── WRAPPER ── */
#praxtify-chat-wrapper {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: var(--px-z);
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
}

/* ── TOGGLE BUTTON ── */
#praxtify-chat-toggle {
  position: relative;
  width: var(--px-toggle-size);
  height: var(--px-toggle-size);
  border-radius: 50%;
  background: var(--px-primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 28px rgba(17,16,19,0.30), 0 2px 6px rgba(17,16,19,0.18);
  transition: transform 0.22s cubic-bezier(.34,1.56,.64,1), box-shadow 0.22s ease;
  outline: none;
  margin-left: auto;
}

#praxtify-chat-toggle:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 36px rgba(17,16,19,0.38), 0 4px 10px rgba(17,16,19,0.22);
}

#praxtify-chat-toggle:active { transform: scale(0.95); }

#praxtify-chat-toggle svg {
  width: 26px;
  height: 26px;
  color: #fff;
}

/* Unread Badge */
#praxtify-unread-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #ef4444;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #F9F9FA;
  animation: praxtify-pulse 2s infinite;
}

@keyframes praxtify-pulse {
  0%,100% { transform:scale(1); }
  50%      { transform:scale(1.18); }
}

/* ── CHAT WINDOW ── */
#praxtify-chat-window {
  position: absolute;
  bottom: calc(var(--px-toggle-size) + 14px);
  right: 0;
  width: var(--px-width);
  height: var(--px-height);
  background: var(--px-background);
  border: 1px solid var(--px-border);
  border-radius: var(--px-radius);
  box-shadow: var(--px-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s cubic-bezier(.34,1.56,.64,1);
  transform-origin: bottom right;
}

#praxtify-chat-window.praxtify-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

/* ── HEADER ── */
#praxtify-chat-header {
  background: var(--px-surface);
  border-bottom: 1px solid var(--px-border-soft);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.praxtify-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.praxtify-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--px-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px var(--px-primary-glow);
}

.praxtify-avatar svg {
  width: 20px;
  height: 20px;
  color: #fff;
}

.praxtify-header-info { display: flex; flex-direction: column; }

.praxtify-bot-name {
  color: var(--px-text);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.praxtify-status {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--px-text-muted);
  font-size: 12px;
  margin-top: 3px;
}

.praxtify-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  animation: praxtify-blink 2.5s infinite;
}

@keyframes praxtify-blink {
  0%,100% { opacity:1; }
  50%      { opacity:0.35; }
}

#praxtify-chat-close {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 7px;
  border-radius: 10px;
  color: var(--px-text-muted);
  transition: color 0.15s, background 0.15s;
  display: flex;
  flex-shrink: 0;
}

#praxtify-chat-close:hover {
  color: var(--px-text);
  background: rgba(17,16,19,0.06);
}

#praxtify-chat-close svg { width: 18px; height: 18px; }

/* ── MESSAGE AREA ── */
#praxtify-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--px-background);
  scroll-behavior: smooth;
}

#praxtify-chat-messages::-webkit-scrollbar      { width: 4px; }
#praxtify-chat-messages::-webkit-scrollbar-track { background: transparent; }
#praxtify-chat-messages::-webkit-scrollbar-thumb { background: var(--px-border); border-radius: 4px; }

/* BUBBLE BASE */
.praxtify-msg {
  display: flex;
  gap: 10px;
  animation: praxtify-fadein 0.28s ease;
}

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

.praxtify-msg-text {
  max-width: 82%;
  padding: 11px 15px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.65;
  word-break: break-word;
}

/* BOT */
.praxtify-msg.bot { align-items: flex-start; }

.praxtify-msg.bot .praxtify-msg-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--px-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.praxtify-msg.bot .praxtify-msg-icon svg {
  width: 15px;
  height: 15px;
  color: #fff;
}

.praxtify-msg.bot .praxtify-msg-text {
  background: var(--px-bot-bubble);
  color: var(--px-text);
  border-bottom-left-radius: 5px;
  border: 1px solid var(--px-border-soft);
  box-shadow: 0 1px 4px rgba(17,16,19,0.05);
}

/* Markdown elements inside bot bubble */
.praxtify-msg.bot .praxtify-msg-text strong { font-weight: 600; }
.praxtify-msg.bot .praxtify-msg-text em     { font-style: italic; }
.praxtify-msg.bot .praxtify-msg-text ul,
.praxtify-msg.bot .praxtify-msg-text ol     { padding-left: 18px; margin: 4px 0; }
.praxtify-msg.bot .praxtify-msg-text li     { margin: 2px 0; }
.praxtify-msg.bot .praxtify-msg-text code   {
  background: rgba(96,96,107,0.1);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 12px;
  font-family: monospace;
}

.praxtify-msg.bot .praxtify-msg-text a {
  color: var(--px-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  word-break: break-all;
}

.praxtify-msg.bot .praxtify-msg-text a:hover { opacity: 0.7; }

/* USER */
.praxtify-msg.user {
  align-items: flex-end;
  flex-direction: row-reverse;
}

.praxtify-msg.user .praxtify-msg-text {
  background: var(--px-user-bubble);
  color: #fff;
  border-bottom-right-radius: 5px;
}

/* TYPING INDICATOR */
.praxtify-typing .praxtify-msg-text {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 13px 18px;
}

.praxtify-typing-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--px-secondary);
  animation: praxtify-typing 1.5s infinite ease-in-out;
}

.praxtify-typing-dot:nth-child(1) { animation-delay: 0s; }
.praxtify-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.praxtify-typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes praxtify-typing {
  0%,60%,100% { transform:translateY(0); opacity:0.35; }
  30%         { transform:translateY(-6px); opacity:1; }
}

/* ── INPUT AREA ── */
#praxtify-chat-input-area {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 12px 14px;
  background: var(--px-surface);
  border-top: 1px solid var(--px-border-soft);
  flex-shrink: 0;
}

#praxtify-chat-input {
  flex: 1;
  background: var(--px-background);
  border: 1.5px solid var(--px-border);
  border-radius: 14px;
  color: var(--px-text);
  font-size: 14px;
  line-height: 1.55;
  padding: 10px 14px;
  resize: none;
  outline: none;
  font-family: inherit;
  max-height: 120px;
  transition: border-color 0.18s, box-shadow 0.18s;
}

#praxtify-chat-input::placeholder { color: var(--px-text-muted); }

#praxtify-chat-input:focus {
  border-color: var(--px-primary);
  box-shadow: 0 0 0 3px var(--px-primary-glow);
}

#praxtify-chat-send {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--px-primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
  box-shadow: 0 4px 14px rgba(17,16,19,0.22);
}

#praxtify-chat-send:hover  { transform:scale(1.05); box-shadow:0 6px 20px rgba(17,16,19,0.30); }
#praxtify-chat-send:active { transform:scale(0.96); }
#praxtify-chat-send:disabled { opacity:0.4; cursor:not-allowed; transform:none; box-shadow:none; }

#praxtify-chat-send svg { width:18px; height:18px; color:#fff; }

/* ── FOOTER ── */
#praxtify-chat-footer {
  text-align: center;
  padding: 8px;
  font-size: 11px;
  color: var(--px-text-muted);
  background: var(--px-surface);
  border-top: 1px solid var(--px-border-soft);
  flex-shrink: 0;
  letter-spacing: 0.01em;
}

#praxtify-chat-footer a { color:var(--px-primary); text-decoration:none; font-weight:600; }
#praxtify-chat-footer a:hover { text-decoration:underline; }

/* ── RESPONSIVE ── */
@media (max-width: 440px) {
  #praxtify-chat-wrapper { bottom:16px; right:14px; left:14px; }
  #praxtify-chat-window  { width:100%; right:0; left:0; height:78vh; max-height:580px; }
}