/* Чат-бот СОФТЗАЩИТА — стили виджета. Этап II.3.
 * Изолированный namespace .sd-cb-* чтобы не конфликтовать с сайтом.
 */

.sd-cb-root {
  --sd-cb-color: #1a2f79;
  --sd-cb-color-bg: #ffffff;
  --sd-cb-color-fg: #1a1a1a;
  --sd-cb-color-muted: #6b7280;
  --sd-cb-color-bg-bot: #f3f4f6;
  --sd-cb-color-bg-user: var(--sd-cb-color);
  --sd-cb-color-fg-user: #ffffff;
  --sd-cb-shadow: 0 8px 32px rgba(0,0,0,0.18);
  --sd-cb-radius: 14px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.45;
  position: fixed;
  z-index: 2147483600;
}
.sd-cb-bottom-right { right: 20px; bottom: 20px; }
.sd-cb-bottom-left  { left: 20px;  bottom: 20px; }

/* ---------- Bubble (свёрнутый виджет) ---------- */
.sd-cb-bubble {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--sd-cb-color);
  color: #fff;
  border: none; cursor: pointer;
  box-shadow: var(--sd-cb-shadow);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  transition: transform .15s ease, opacity .15s ease;
  position: relative;
}
.sd-cb-bubble:hover { transform: scale(1.05); }
.sd-cb-bubble-hidden { opacity: 0; pointer-events: none; transform: scale(0.5); }
.sd-cb-bubble-icon { line-height: 1; }
.sd-cb-bubble-dot {
  position: absolute; top: 8px; right: 8px;
  width: 12px; height: 12px;
  background: #22c55e;
  border: 2px solid #fff;
  border-radius: 50%;
  animation: sd-cb-pulse 2s infinite;
}
@keyframes sd-cb-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.5); }
  50%      { box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}

/* ---------- Box (развёрнутый виджет) ---------- */
.sd-cb-box {
  position: absolute;
  bottom: 0; right: 0;
  width: 380px; max-width: calc(100vw - 40px);
  height: 580px; max-height: calc(100vh - 40px);
  background: var(--sd-cb-color-bg);
  color: var(--sd-cb-color-fg);
  border-radius: var(--sd-cb-radius);
  box-shadow: var(--sd-cb-shadow);
  display: none;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .2s ease, transform .2s ease;
}
.sd-cb-bottom-left .sd-cb-box { right: auto; left: 0; }
.sd-cb-box-open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 480px) {
  .sd-cb-box {
    width: 100vw; max-width: 100vw;
    height: 100vh; max-height: 100vh;
    border-radius: 0;
    right: -20px; bottom: -20px;
  }
  .sd-cb-bottom-left .sd-cb-box { left: -20px; right: auto; }
}

/* ---------- Header ---------- */
.sd-cb-header {
  background: var(--sd-cb-color);
  color: #fff;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.sd-cb-header-title { display: flex; align-items: center; gap: 10px; }
.sd-cb-header-avatar {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.sd-cb-header-name { font-weight: 600; font-size: 15px; }
.sd-cb-header-sub  { font-size: 11px; opacity: 0.85; margin-top: 2px; }
.sd-cb-header-close {
  background: rgba(255,255,255,0.15);
  border: none; color: #fff;
  width: 28px; height: 28px;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  line-height: 1;
}
.sd-cb-header-close:hover { background: rgba(255,255,255,0.28); }

/* ---------- Messages ---------- */
.sd-cb-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background: #fafafa;
  scrollbar-width: thin;
}
.sd-cb-messages::-webkit-scrollbar { width: 6px; }
.sd-cb-messages::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.18); border-radius: 3px; }

.sd-cb-msg {
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
}
.sd-cb-msg-bubble {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 14px;
  word-wrap: break-word;
  white-space: pre-wrap;
}
.sd-cb-msg-bot .sd-cb-msg-bubble {
  background: var(--sd-cb-color-bg-bot);
  color: var(--sd-cb-color-fg);
  border-bottom-left-radius: 4px;
  align-self: flex-start;
}
.sd-cb-msg-user {
  align-items: flex-end;
}
.sd-cb-msg-user .sd-cb-msg-bubble {
  background: var(--sd-cb-color-bg-user);
  color: var(--sd-cb-color-fg-user);
  border-bottom-right-radius: 4px;
}
.sd-cb-msg-bubble a { color: inherit; text-decoration: underline; }

/* Typing indicator */
.sd-cb-typing .sd-cb-msg-bubble { padding: 14px 16px; }
.sd-cb-typing-dot {
  display: inline-block;
  width: 6px; height: 6px;
  margin: 0 2px;
  background: #9ca3af;
  border-radius: 50%;
  animation: sd-cb-typing 1.4s infinite ease-in-out;
}
.sd-cb-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.sd-cb-typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes sd-cb-typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* Quick replies */
.sd-cb-quick-replies {
  margin-top: 8px;
  display: flex; flex-wrap: wrap; gap: 6px;
}
.sd-cb-quick {
  background: transparent;
  border: 1px solid var(--sd-cb-color);
  color: var(--sd-cb-color);
  border-radius: 16px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
}
.sd-cb-quick:hover { background: var(--sd-cb-color); color: #fff; }

/* ---------- Escalate button ---------- */
.sd-cb-escalate {
  margin: 0 16px 8px;
  background: transparent;
  border: 1px dashed var(--sd-cb-color);
  color: var(--sd-cb-color);
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}
.sd-cb-escalate:hover:not(:disabled) { background: rgba(26,47,121,0.05); }
.sd-cb-escalate:disabled { opacity: 0.6; cursor: default; }
.sd-cb-escalate-pulse {
  animation: sd-cb-escalate-pulse 1.5s infinite;
  background: rgba(255,165,0,0.1);
  border-color: #f59e0b;
  color: #b45309;
}
@keyframes sd-cb-escalate-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245,158,11,0.4); }
  50%      { box-shadow: 0 0 0 6px rgba(245,158,11,0); }
}

/* ---------- Escalate form ---------- */
.sd-cb-escalate-form {
  background: #fff;
  border: 2px solid var(--sd-cb-color);
  border-radius: 12px;
  padding: 16px;
  margin: 12px 0;
  display: flex; flex-direction: column; gap: 8px;
}
.sd-cb-escalate-title { font-weight: 600; font-size: 14px; }
.sd-cb-escalate-sub   { font-size: 12px; color: var(--sd-cb-color-muted); margin-bottom: 4px; }
.sd-cb-escalate-input {
  width: 100%; box-sizing: border-box;
  padding: 8px 12px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 13px;
  font-family: inherit;
}
.sd-cb-escalate-input:focus { outline: none; border-color: var(--sd-cb-color); }
textarea.sd-cb-escalate-input { resize: vertical; min-height: 50px; }
.sd-cb-escalate-submit {
  background: var(--sd-cb-color);
  color: #fff;
  border: none;
  padding: 10px;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  margin-top: 4px;
}
.sd-cb-escalate-submit:hover { opacity: 0.92; }
.sd-cb-escalate-submit:disabled { opacity: 0.6; cursor: default; }
.sd-cb-escalate-cancel {
  background: transparent;
  border: none;
  color: var(--sd-cb-color-muted);
  font-size: 12px;
  cursor: pointer;
  padding: 4px;
  font-family: inherit;
}
.sd-cb-escalate-cancel:hover { color: var(--sd-cb-color-fg); }

/* ---------- Input ---------- */
.sd-cb-input {
  display: flex;
  gap: 8px;
  padding: 10px 16px 6px;
  border-top: 1px solid #e5e7eb;
  background: #fff;
}
.sd-cb-input-text {
  flex: 1;
  border: 1px solid #d1d5db;
  border-radius: 18px;
  padding: 8px 14px;
  font-size: 14px;
  font-family: inherit;
  resize: none;
  max-height: 100px;
  outline: none;
}
.sd-cb-input-text:focus { border-color: var(--sd-cb-color); }
.sd-cb-input-send {
  background: var(--sd-cb-color);
  color: #fff;
  border: none;
  width: 36px; height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.sd-cb-input-send:hover:not(:disabled) { opacity: 0.92; }
.sd-cb-input-send:disabled { opacity: 0.6; cursor: default; }

/* ---------- Footer ---------- */
.sd-cb-footer {
  font-size: 10px;
  color: var(--sd-cb-color-muted);
  text-align: center;
  padding: 4px 16px 8px;
  background: #fff;
}