.lp-chat-widget {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 1200;
  font-family: var(--ff-body, "Source Sans 3", system-ui, sans-serif);
  color: var(--text, #1a2133);
}

.lp-chat-button {
  width: 56px;
  height: 56px;
  border-radius: 999px;
  border: 1px solid var(--border-warm, rgba(37, 99, 200, 0.22));
  background: linear-gradient(145deg, var(--accent, #2563c8), #1e4fa0);
  color: #ffffff;
  box-shadow: 0 10px 30px rgba(37, 99, 200, 0.28);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.lp-chat-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(37, 99, 200, 0.35);
}

.lp-chat-button svg {
  width: 24px;
  height: 24px;
}

.lp-chat-panel {
  position: absolute;
  right: 0;
  bottom: 70px;
  width: min(380px, calc(100vw - 24px));
  height: min(560px, calc(100vh - 110px));
  border-radius: var(--radius-lg, 18px);
  border: 1px solid var(--border, rgba(0, 0, 0, 0.08));
  background: var(--surface, #ffffff);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.16);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

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

.lp-chat-header {
  padding: 14px 14px 12px;
  border-bottom: 1px solid var(--border, rgba(0, 0, 0, 0.08));
  background: linear-gradient(180deg, var(--card, #f7f8fc), #ffffff);
  display: flex;
  align-items: center;
  gap: 10px;
}

.lp-chat-title {
  font-family: var(--ff-head, "Syne", system-ui, sans-serif);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text, #1a2133);
  margin-right: auto;
}

.lp-chat-clear,
.lp-chat-close {
  border: 1px solid var(--border, rgba(0, 0, 0, 0.08));
  background: var(--card, #f7f8fc);
  color: var(--text-dim, #6b7a99);
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--ff-mono, "JetBrains Mono", monospace);
  font-size: 0.64rem;
  letter-spacing: 0.03em;
  padding: 6px 8px;
}

.lp-chat-clear:hover,
.lp-chat-close:hover {
  border-color: var(--border-warm, rgba(37, 99, 200, 0.22));
  color: var(--accent, #2563c8);
}

.lp-chat-status {
  padding: 8px 14px;
  border-bottom: 1px solid var(--border, rgba(0, 0, 0, 0.08));
  color: var(--text-dim, #6b7a99);
  font-size: 0.75rem;
  background: var(--card, #f7f8fc);
}

.lp-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px 12px 4px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: linear-gradient(180deg, rgba(37, 99, 200, 0.03), transparent 30%);
}

.lp-chat-bubble {
  max-width: 92%;
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: pre-wrap;
}

.lp-chat-bubble.user {
  margin-left: auto;
  background: var(--accent, #2563c8);
  color: #ffffff;
  border-bottom-right-radius: 4px;
}

.lp-chat-bubble.bot {
  margin-right: auto;
  background: var(--card, #f7f8fc);
  border: 1px solid var(--border, rgba(0, 0, 0, 0.08));
  color: var(--text, #1a2133);
  border-bottom-left-radius: 4px;
}

.lp-chat-bubble.system {
  margin-right: auto;
  background: rgba(244, 63, 94, 0.08);
  border: 1px solid rgba(244, 63, 94, 0.25);
  color: #9f1239;
}

.lp-chat-input-wrap {
  border-top: 1px solid var(--border, rgba(0, 0, 0, 0.08));
  padding: 10px;
  background: #ffffff;
}

.lp-chat-input {
  width: 100%;
  min-height: 78px;
  max-height: 140px;
  resize: vertical;
  border-radius: 10px;
  border: 1px solid var(--border, rgba(0, 0, 0, 0.08));
  background: var(--surface, #ffffff);
  color: var(--text, #1a2133);
  padding: 10px;
  font-family: var(--ff-body, "Source Sans 3", system-ui, sans-serif);
  font-size: 0.92rem;
}

.lp-chat-input:focus {
  outline: none;
  border-color: var(--accent, #2563c8);
  box-shadow: 0 0 0 2px rgba(37, 99, 200, 0.18);
}

.lp-chat-send {
  margin-top: 8px;
  width: 100%;
  border: 1px solid var(--border-warm, rgba(37, 99, 200, 0.22));
  background: var(--accent-soft, rgba(37, 99, 200, 0.07));
  color: var(--accent, #2563c8);
  border-radius: 10px;
  font-family: var(--ff-mono, "JetBrains Mono", monospace);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 9px 12px;
  cursor: pointer;
}

.lp-chat-send:hover {
  background: var(--accent-glow, rgba(37, 99, 200, 0.15));
}

.lp-chat-send:disabled,
.lp-chat-clear:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

@media (max-width: 860px) {
  .lp-chat-widget {
    right: 12px;
    bottom: 12px;
  }

  .lp-chat-panel {
    width: min(420px, calc(100vw - 12px));
    height: min(560px, calc(100vh - 78px));
    bottom: 66px;
  }
}