/* freehp.jp チャット窓口。既存の色変数（style.css :root）を流用し、独立して読める最小限のスタイル。 */

.chat-launcher {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.chat-launcher-bubble {
  max-width: 240px;
  background: var(--white, #fff);
  border: 1px solid var(--line, #E5E1D8);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink, #1E2A44);
  box-shadow: 0 6px 20px rgba(20, 29, 49, 0.12);
}

.chat-launcher-button {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: var(--ink, #1E2A44);
  color: var(--white, #fff);
  font-size: 12px;
  font-family: "Zen Kaku Gothic New", sans-serif;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(20, 29, 49, 0.24);
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-launcher-button:hover,
.chat-launcher-button:focus-visible {
  background: var(--ink-deep, #141D31);
}

.chat-panel {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 901;
  width: 320px;
  max-width: calc(100vw - 32px);
  height: 420px;
  max-height: calc(100vh - 32px);
  background: var(--paper, #FBFAF6);
  border: 1px solid var(--line, #E5E1D8);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(20, 29, 49, 0.28);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-family: "Zen Kaku Gothic New", sans-serif;
}

.chat-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line, #E5E1D8);
  background: var(--white, #fff);
}

.chat-panel-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink, #1E2A44);
  flex: 1 1 auto;
}

.chat-panel-call {
  border: 1px solid var(--line, #E5E1D8);
  border-radius: 8px;
  background: var(--paper, #FBFAF6);
  color: var(--ink, #1E2A44);
  font-size: 12px;
  font-family: inherit;
  padding: 6px 10px;
  cursor: pointer;
  white-space: nowrap;
  flex: 0 0 auto;
}

.chat-panel-call:hover,
.chat-panel-call:focus-visible {
  background: var(--white, #fff);
  border-color: var(--ink, #1E2A44);
}

.chat-panel-close {
  border: none;
  background: transparent;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  color: var(--ink, #1E2A44);
  padding: 4px 6px;
}

.chat-panel-messages {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chat-message {
  max-width: 85%;
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.chat-message-bot {
  align-self: flex-start;
  background: var(--white, #fff);
  border: 1px solid var(--line, #E5E1D8);
  color: var(--ink, #1E2A44);
}

.chat-message-user {
  align-self: flex-end;
  background: var(--ink, #1E2A44);
  color: var(--white, #fff);
}

.chat-message-error {
  align-self: flex-start;
  background: var(--white, #fff);
  border: 1px solid var(--yamabuki-deep, #D99A00);
  color: var(--ink, #1E2A44);
}

.chat-message-error a {
  color: var(--yamabuki-text, #8F6400);
  text-decoration: underline;
}

.chat-panel-form {
  display: flex;
  gap: 8px;
  padding: 10px;
  border-top: 1px solid var(--line, #E5E1D8);
  background: var(--white, #fff);
}

.chat-panel-input {
  flex: 1 1 auto;
  border: 1px solid var(--line, #E5E1D8);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
  color: var(--ink, #1E2A44);
  background: var(--paper, #FBFAF6);
}

.chat-panel-input:focus-visible {
  outline: 2px solid var(--ink, #1E2A44);
  outline-offset: 1px;
}

.chat-panel-send {
  border: none;
  border-radius: 8px;
  padding: 0 14px;
  background: var(--ink, #1E2A44);
  color: var(--white, #fff);
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  flex: 0 0 auto;
  min-width: 56px;
}

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

.chat-panel-note {
  padding: 0 10px 10px;
  font-size: 11px;
  color: var(--ink, #1E2A44);
  opacity: 0.7;
  background: var(--white, #fff);
}

@media (max-width: 420px) {
  .chat-panel {
    right: 8px;
    bottom: 8px;
    width: calc(100vw - 16px);
    height: min(420px, calc(100vh - 16px));
  }
  .chat-launcher {
    right: 8px;
    bottom: 8px;
  }
  .chat-launcher-bubble {
    max-width: calc(100vw - 88px);
  }
}