/*
  player-support-chat.css — 選手ページ観戦サポート会話UI（Phase1）
  非クリティカル。player.html のみ preload。
*/

.player-support-chat {
  position: fixed;
  z-index: var(--z-support-chat, 1050);
  box-sizing: border-box;
  font-family: var(--font-body);
  /* 設計: 0.75rem。トークン未読込時も 12px 相当にフォールバック */
  font-size: var(--font-xs, 0.75rem);
}

/* PC */
@media (min-width: 768px) {
  .player-support-chat {
    right: 24px;
    bottom: 24px;
    left: auto;
    width: auto;
    max-width: none;
  }

  .player-support-chat__panel {
    width: min(360px, calc(100vw - 48px));
    max-height: 70vh;
  }
}

/* SP Bottom Sheet */
@media (max-width: 767px) {
  .player-support-chat {
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
  }

  .player-support-chat__trigger {
    width: 100%;
    border-radius: 12px 12px 0 0;
    justify-content: center;
  }

  .player-support-chat__panel {
    width: 100%;
    max-height: 60dvh;
    border-radius: 16px 16px 0 0;
  }

  @supports not (height: 100dvh) {
    .player-support-chat__panel {
      max-height: 60vh;
    }
  }
}

.player-support-chat__trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(var(--glass-tint-rgb, 0, 47, 108), 0.92);
  color: #fff;
  font-size: var(--font-xs, 0.75rem);
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(0, 10, 30, 0.15);
}

.player-support-chat__trigger:focus-visible {
  outline: 2px solid var(--color-primary, #0a55bb);
  outline-offset: 2px;
}

/*
 * 初期はトリガーのみ。display:flex が [hidden] を打ち消すため data-state で明示制御する。
 */
.player-support-chat[data-state="collapsed"] .player-support-chat__panel,
.player-support-chat__panel[hidden] {
  display: none !important;
}

.player-support-chat:not([data-state="collapsed"]) .player-support-chat__trigger {
  display: none !important;
}

.player-support-chat__panel {
  display: none;
  flex-direction: column;
  margin-top: 0;
  background: #fff;
  border: 1px solid rgba(10, 26, 58, 0.12);
  border-radius: 12px;
  box-shadow: 0 12px 28px rgba(0, 10, 30, 0.18);
  overflow: hidden;
}

.player-support-chat[data-state="expanded"] .player-support-chat__panel,
.player-support-chat[data-state="answering"] .player-support-chat__panel,
.player-support-chat[data-state="answered"] .player-support-chat__panel {
  display: flex !important;
}

.player-support-chat__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(10, 26, 58, 0.08);
  flex-shrink: 0;
}

.player-support-chat__title {
  margin: 0;
  font-size: var(--font-xs, 0.75rem);
  font-weight: 700;
  color: #0a1a3a;
}

.player-support-chat__close {
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: #0a1a3a;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}

.player-support-chat__close::before {
  content: "×";
}

.player-support-chat__messages {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 0.75rem 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

/* 初期表示: 回答なし → タイトル下の罫線1本のみ（フッター上は出さない） */
.player-support-chat__messages:empty {
  display: none;
}

.player-support-chat__messages:empty + .player-support-chat__footer {
  border-top: none;
}

/* LINE 風: 回答は左、自分の質問は右 */
.player-support-chat__message {
  display: flex;
  width: 100%;
  font-size: var(--font-xs, 0.75rem);
  line-height: 1.4;
  color: #0a1a3a;
  opacity: 0;
  transition: opacity 150ms ease;
}

.player-support-chat__message--assistant {
  justify-content: flex-start;
}

.player-support-chat__message--user {
  justify-content: flex-end;
}

.player-support-chat__message--visible {
  opacity: 1;
}

.player-support-chat__message-bubble {
  position: relative;
  box-sizing: border-box;
  max-width: min(92%, 18rem);
  padding: 0.55rem 0.7rem;
  border-radius: 14px;
  overflow-wrap: break-word;
  line-break: strict;
  font-size: var(--font-xs, 0.75rem);
}

.player-support-chat__message--assistant .player-support-chat__message-bubble {
  background: #fff;
  border: 1px solid rgba(10, 26, 58, 0.14);
  border-bottom-left-radius: 4px;
  box-shadow: 0 1px 2px rgba(0, 10, 30, 0.06);
}

.player-support-chat__message--user .player-support-chat__message-bubble {
  background: rgba(10, 26, 58, 0.08);
  border: 1px solid rgba(10, 26, 58, 0.06);
  border-bottom-right-radius: 4px;
}

.player-support-chat__message-label--sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.player-support-chat__message-text {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
  white-space: pre-line;
  line-break: strict;
  overflow-wrap: break-word;
}

.player-support-chat__message-link-wrap {
  margin-top: 0.35rem;
}

/* サイト標準（base.css）に合わせる: 本文同色・下線なし、hover/focus のみ下線。太字で本文と区別 */
.player-support-chat__message-link {
  color: inherit;
  font-size: inherit;
  font-weight: 700;
  text-decoration: none;
}

.player-support-chat__message-link:hover,
.player-support-chat__message-link:focus-visible {
  color: var(--color-primary, #1a2f5e);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.player-support-chat__footer {
  flex-shrink: 0;
  padding: 0.5rem 1rem 0.75rem;
  border-top: 1px solid rgba(10, 26, 58, 0.08);
}

@media (max-width: 767px) {
  .player-support-chat__footer {
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  }
}

.player-support-chat__prompt {
  margin: 0 0 0.5rem;
  font-size: var(--font-xs, 0.75rem);
  color: rgba(10, 26, 58, 0.75);
}

.player-support-chat__question-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  min-height: 4.5rem;
  align-content: start;
}

@media (max-width: 360px) {
  .player-support-chat__question-list {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .player-support-chat__question {
    font-size: var(--font-xs, 0.75rem);
  }
}

.player-support-chat__question {
  box-sizing: border-box;
  width: 100%;
  min-height: 2.75rem;
  padding: 0.45rem 0.6rem;
  border: 1px solid rgba(10, 85, 187, 0.35);
  border-radius: 10px;
  background: #fff;
  color: #0a55bb;
  font-size: var(--font-xs, 0.75rem);
  line-height: 1.3;
  text-align: center;
  white-space: normal;
  cursor: pointer;
}

.player-support-chat__question:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.player-support-chat[data-loading="1"] .player-support-chat__question-list {
  opacity: 0.7;
  pointer-events: none;
}

/* Phase2 Step2: 記事中広告（max-height 固定は付けない） */
.player-support-chat__ad {
  flex-shrink: 0;
  margin-top: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(10, 26, 58, 0.08);
  overflow: visible;
}

.player-support-chat__messages > .player-support-chat__ad {
  margin-bottom: 0.25rem;
}

.player-support-chat__footer > .player-support-chat__ad {
  margin-bottom: 0.5rem;
  border-top: none;
  padding-top: 0;
}

.player-support-chat__ad-label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.65rem;
  color: rgba(10, 26, 58, 0.45);
}

.player-support-chat__ad-slot {
  margin: 0;
  min-height: 0;
  contain: none;
}

.player-support-chat__ad-dev-placeholder {
  box-sizing: border-box;
  padding: 0.5rem;
  border: 1px dashed rgba(10, 26, 58, 0.2);
  border-radius: 6px;
  font-size: 0.7rem;
  color: rgba(10, 26, 58, 0.45);
  text-align: center;
}

/* scrollTop: 展開中は非表示（scrollTop.ts は変更しない） */
body.player-support-chat-expanded #scrollTopBtn {
  display: none !important;
}

/* scrollTop: SP で観戦サポート全幅バー分だけさらに上げる */
@media (max-width: 767px) {
  body.player-support-chat-active {
    --scroll-top-offset-bottom: calc(
      var(--player-support-chat-inset, 56px) + 3rem + env(safe-area-inset-bottom, 0px)
    );
  }
}

/* SP: collapsed 時の本文余白 */
@media (max-width: 767px) {
  body.player-support-chat-active {
    --player-support-chat-inset: 56px;
  }

  body.player-support-chat-active main {
    padding-bottom: calc(
      var(--player-support-chat-inset) + env(safe-area-inset-bottom, 0px)
    );
  }

  body.player-support-chat-expanded {
    --player-support-chat-inset: 0px;
  }
}