/* The Bridge — public site chatbot */
#bridge-chatbot-root {
  --cb-green: #0db35a;
  --cb-green-dark: #087a3d;
  --cb-bg: #ffffff;
  --cb-surface: #f8fafc;
  --cb-border: #e2e8f0;
  --cb-text: #0f172a;
  --cb-muted: #64748b;
  --cb-bot: #f1f5f9;
  --cb-user: #e8f8ef;
  position: fixed;
  z-index: 9999;
  font-family: 'Plus Jakarta Sans', 'Cairo', system-ui, sans-serif;
}

body.dark-mode #bridge-chatbot-root {
  --cb-bg: #1e293b;
  --cb-surface: #0f172a;
  --cb-border: #334155;
  --cb-text: #f1f5f9;
  --cb-muted: #94a3b8;
  --cb-bot: #334155;
  --cb-user: #14532d;
}

#bridge-chatbot-root[dir="rtl"] {
  right: auto;
  left: 24px;
}

#bridge-chatbot-root[dir="ltr"] {
  right: 24px;
  left: auto;
}

.bridge-chat-fab {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: linear-gradient(135deg, var(--cb-green), var(--cb-green-dark));
  color: #fff;
  font-size: 26px;
  box-shadow: 0 8px 28px rgba(13, 179, 90, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.bridge-chat-fab:hover {
  transform: scale(1.06);
  box-shadow: 0 12px 32px rgba(13, 179, 90, 0.5);
}

.bridge-chat-fab.is-open {
  transform: rotate(0deg);
}

.bridge-chat-panel {
  position: absolute;
  bottom: 72px;
  width: min(380px, calc(100vw - 32px));
  max-height: min(520px, calc(100vh - 120px));
  background: var(--cb-bg);
  border: 1px solid var(--cb-border);
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.18);
  display: none;
  flex-direction: column;
  overflow: hidden;
  animation: bridgeChatIn 0.25s ease-out;
}

#bridge-chatbot-root[dir="rtl"] .bridge-chat-panel {
  left: 0;
  right: auto;
}

#bridge-chatbot-root[dir="ltr"] .bridge-chat-panel {
  right: 0;
  left: auto;
}

.bridge-chat-panel.is-open {
  display: flex;
}

@keyframes bridgeChatIn {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.bridge-chat-header {
  padding: 16px 18px;
  background: linear-gradient(135deg, var(--cb-green), var(--cb-green-dark));
  color: #fff;
  display: flex;
  align-items: center;
  gap: 12px;
}

.bridge-chat-header-avatar {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.bridge-chat-header h4 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
}

.bridge-chat-header p {
  margin: 2px 0 0;
  font-size: 12px;
  opacity: 0.9;
}

.bridge-chat-close {
  margin-inline-start: auto;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}

.bridge-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--cb-surface);
}

.bridge-chat-msg {
  max-width: 88%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.55;
  word-break: break-word;
}

.bridge-chat-msg.bot {
  align-self: flex-start;
  background: var(--cb-bot);
  color: var(--cb-text);
  border-bottom-left-radius: 4px;
}

#bridge-chatbot-root[dir="rtl"] .bridge-chat-msg.bot {
  align-self: flex-end;
  border-bottom-left-radius: 14px;
  border-bottom-right-radius: 4px;
}

.bridge-chat-msg.user {
  align-self: flex-end;
  background: var(--cb-user);
  color: var(--cb-text);
  border-bottom-right-radius: 4px;
}

#bridge-chatbot-root[dir="rtl"] .bridge-chat-msg.user {
  align-self: flex-start;
  border-bottom-right-radius: 14px;
  border-bottom-left-radius: 4px;
}

.bridge-chat-msg a {
  color: var(--cb-green);
  font-weight: 600;
}

.bridge-chat-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 16px 10px;
  background: var(--cb-surface);
}

.bridge-chat-quick button {
  border: 1px solid var(--cb-border);
  background: var(--cb-bg);
  color: var(--cb-text);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.bridge-chat-quick button:hover {
  border-color: var(--cb-green);
  background: var(--cb-user);
}

.bridge-chat-input-row {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--cb-border);
  background: var(--cb-bg);
}

.bridge-chat-input-row input {
  flex: 1;
  border: 1px solid var(--cb-border);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 14px;
  background: var(--cb-surface);
  color: var(--cb-text);
  outline: none;
}

.bridge-chat-input-row input:focus {
  border-color: var(--cb-green);
}

.bridge-chat-send {
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 10px;
  background: var(--cb-green);
  color: #fff;
  cursor: pointer;
  font-size: 18px;
  flex-shrink: 0;
}

.bridge-chat-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.bridge-chat-typing {
  font-size: 12px;
  color: var(--cb-muted);
  padding: 0 16px 8px;
  display: none;
}

.bridge-chat-typing.is-visible {
  display: block;
}

@media (max-width: 480px) {
  #bridge-chatbot-root[dir="ltr"] {
    right: 16px;
    bottom: 16px;
  }
  #bridge-chatbot-root[dir="rtl"] {
    left: 16px;
    bottom: 16px;
  }
  .bridge-chat-panel {
    width: calc(100vw - 32px);
  }
}