/* ==============================
   チャット
============================== */

.chat-post,
.public-post,
.secret-post {
    margin-bottom: 10px;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #fff;
}

.chat-post p,
.public-post p,
.secret-post p {
    margin-top: 0;
}

.reply-preview {
    background: #fafafa;
}

.reply-button {
    margin-top: 8px;
}


/* ==============================
   PLメッセージ
============================== */

.pl-message-log {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 8px;
    background: #fff;
    font-family:
        Consolas,
        "Courier New",
        monospace;
    line-height: 1.8;
}

.pl-message-line {
    padding: 2px 0;
    border-bottom: 1px dotted #eee;
}


/* ==============================
   チャット投稿フォーム
============================== */

.chat-compose-box {
    position: relative;
    padding: 10px;
    background: rgba(255, 255, 255, 0.72);
}

.chat-compose-form {
    position: relative;
}

/* 全体：左にアイコン、右に入力欄一式 */
.chat-compose__main {
    display: grid;
    grid-template-columns: 60px 800px;
    gap: 10px;
    align-items: start;
}

/* 左側アイコン */
.chat-compose__icon-column {
    width: 60px;
}

.chat-compose__icon-preview-button {
    width: 60px;
    height: 60px;
    padding: 0;
    border: 1px solid transparent;
    background: transparent;
    cursor: pointer;
    box-sizing: border-box;
}

.chat-compose__icon-preview-button:hover {
    border-color: #777;
}

.chat-compose__icon-preview {
    width: 60px;
    height: 60px;
    object-fit: cover;
    display: block;
}

/* 右側フォーム本体：ここが発言欄と同じ幅 */
.chat-compose__content {
    width: 800px;
    min-width: 0;
}

/* 上段・本文・下段を完全に同じ幅にする */
.chat-compose__control-row,
.chat-compose__body-area,
.chat-compose__bottom-row {
    width: 800px;
    box-sizing: border-box;
}

/* 上段：アイコン選択 / 発言者名 / 秘匿送信先 */
.chat-compose__control-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.chat-compose__control-group {
    display: flex;
    align-items: center;
    gap: 4px;
    min-width: 0;
}

.chat-compose__control-group label {
    white-space: nowrap;
    font-size: 13px;
    font-weight: bold;
}

.chat-compose__icon-select {
    width: 190px;
    box-sizing: border-box;
}

.chat-compose__speaker-name {
    width: 180px;
    box-sizing: border-box;
}

/* 送信先ENo欄を発言欄の右端に揃える */
.chat-compose__secret-recipient {
    margin-left: auto;
}

.chat-compose__secret-recipient input {
    width: 90px;
    box-sizing: border-box;
}

.chat-compose__secret-recipient-name {
    margin-bottom: 3px;
    max-width: 220px;
    font-size: 12px;
    line-height: 1.35;
    white-space: normal;
}

.chat-compose__secret-recipient-name.is-missing {
    opacity: 0.7;
}

.chat-post__secret-recipient-name {
    font-weight: bold;
}

/* 中段：本文 */
.chat-compose__body-area {
    margin-top: 4px;
}

.chat-compose__body-area textarea {
    width: 800px;
    min-height: 70px;
    box-sizing: border-box;
    resize: vertical;
}

/* 下段：タグ / 送信 */
.chat-compose__bottom-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
}

.chat-compose__tag-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    flex: 1;
    min-width: 0;
}

.chat-tag-button {
    padding: 3px 7px;
    border: 1px solid #aaa;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.85);
    cursor: pointer;
    font-size: 12px;
}

.chat-tag-button:hover {
    background: #eee;
}


.chat-compose__character-counter {
    flex: 0 0 auto;
    margin-left: 4px;
    white-space: nowrap;
    font-size: 12px;
    color: #555;
}

/* 発言ボタンを発言欄の右端に揃える */
.chat-compose__submit {
    width: 96px;
    min-height: 32px;
    margin-left: auto;
}

/* アイコン選択ウィンドウ */
.chat-icon-picker {
    position: absolute;
    left: 0;
    top: 68px;
    z-index: 20;
    width: 380px;
    padding: 8px;
    border: 2px solid #111;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    box-sizing: border-box;
}

.chat-icon-picker__item {
    width: 66px;
    height: 66px;
    margin: 4px;
    padding: 2px;
    border: 2px solid transparent;
    background: transparent;
    cursor: pointer;
    box-sizing: border-box;
}

.chat-icon-picker__item.is-selected {
    border-color: #111;
}

.chat-icon-picker__image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    display: block;
}

.chat-compose__error {
    margin-top: 6px;
    color: #b00020;
    font-weight: bold;
}

.chat-compose__error ul {
    margin: 0;
    padding-left: 1.2em;
}

/* スマホ暫定 */
@media (max-width: 700px) {
    .chat-compose__main {
        grid-template-columns: 60px 1fr;
        gap: 8px;
    }

    .chat-compose__content,
    .chat-compose__control-row,
    .chat-compose__body-area,
    .chat-compose__bottom-row,
    .chat-compose__body-area textarea {
        width: 100%;
    }

    .chat-compose__control-row {
        flex-wrap: wrap;
    }

    .chat-compose__secret-recipient {
        margin-left: 0;
    }

    .chat-compose__icon-select {
        width: 180px;
    }

    .chat-compose__speaker-name {
        width: 160px;
    }

    .chat-compose__bottom-row {
        align-items: flex-start;
    }

    .chat-icon-picker {
        width: 100%;
        box-sizing: border-box;
    }
}


/* ==============================
   発言カード
============================== */

.chat-post {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 16px;
    padding: 12px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.92);
}

.chat-post__icon {
    width: 60px;
}

.chat-post__icon-image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    display: block;
}

.chat-post__body {
    min-width: 0;
}

.chat-post__header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
}

.chat-post__author {
    display: flex;
    align-items: baseline;
    gap: 4px;
    min-width: 0;
}

.chat-post__speaker-name {
    font-size: 18px;
    font-weight: bold;
}

.chat-post__eno-link {
    font-size: 0.85em;
    color: #222;
    text-decoration: none;
}

.chat-post__eno-link:hover {
    text-decoration: underline;
}

.chat-post__trace-link {
    flex-shrink: 0;
    color: #222;
    text-decoration: none;
    font-size: 13px;
}

.chat-post__trace-link:hover {
    text-decoration: underline;
}

.chat-post__secret-arrow {
    margin: 0 2px;
    font-size: 0.85em;
}

.chat-post__content {
    margin-top: 4px;
    min-height: 46px;
    line-height: 1.5;
    word-break: break-word;
}

.chat-post__reply-preview {
    margin-top: 8px;
    padding: 8px;
    border: 1px solid #ccc;
    background: rgba(255, 255, 255, 0.85);
}

.chat-post__footer {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
    font-weight: bold;
}

.chat-post__delete-row {
    display: flex;
    justify-content: flex-end;
    margin-top: 2px;
}

.chat-post__delete-row form {
    margin: 0;
}

.chat-post__text-button {
    padding: 0;
    border: none;
    background: transparent;
    color: #000;
    font: inherit;
    font-weight: bold;
    cursor: pointer;
}

.chat-post__text-button:hover {
    text-decoration: underline;
}

.chat-post__action-button {
    padding: 3px 10px;
    border: 1px solid #888;
    border-radius: 4px;
    background: #f0f0f0;
    color: #000;
    font: inherit;
    font-weight: bold;
    cursor: pointer;
}

.chat-post__action-button:hover {
    background: #e0e0e0;
}


/* ==============================
   秘匿相手一覧
============================== */

.secret-partner-box {
    padding: 8px 10px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.72);
}

.secret-partner-box__title {
    margin-bottom: 6px;
    font-weight: bold;
}

.secret-partner-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 12px;
}

.secret-partner-list__item {
    color: #222;
    text-decoration: none;
    white-space: nowrap;
}

.secret-partner-list__item:hover {
    text-decoration: underline;
}

.secret-partner-list__mark {
    font-weight: bold;
}

.secret-partner-list__empty {
    color: #666;
}


/* ==============================
   発言装飾
============================== */

.chat-tag-big {
    font-size: 1.35em;
}

.chat-tag-small {
    font-size: 0.8em;
}

.chat-dice-roll {
    font-weight: bold;
}

.chat-dice-error {
    font-weight: bold;
    color: #b00020;
}


/* ==============================
   返信展開
============================== */

.chat-reply-expanded {
    font-size: 0.95em;
}

.chat-reply-expanded__header {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 6px;
}

.chat-reply-expanded__main {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 10px;
}

.chat-reply-expanded__icon {
    width: 60px;
}

.chat-reply-expanded__body {
    min-width: 0;
    word-break: break-word;
}

.chat-post__nested-reply-preview {
    display: none;
    margin-top: 8px;
}

.chat-post__location-disabled {
    color: #555;
    text-decoration: none;
    cursor: default;
}

/* ==============================
   PLメッセージ：横一列送信フォーム
============================== */

.pl-message-page {
    max-width: 1100px;
    margin: 0 auto;
}

.pl-message-header-card,
.pl-message-compose-card,
.pl-message-log-card {
    box-sizing: border-box;
    width: 100%;
    margin-bottom: 16px;
    padding: 14px 16px;
    border: 1px solid #999;
    border-radius: 6px;
    background: #fff;
}

.pl-message-header-card__title,
.pl-message-log-card__title {
    margin: 0;
    padding: 0;
    border-bottom: none;
    line-height: 1.4;
}

.pl-message-header-card__text {
    margin: 8px 0 0;
    color: #444;
}

.pl-message-compose-form {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    width: 100%;
}

.pl-message-compose__field {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
}

.pl-message-compose__field label {
    flex-shrink: 0;
    font-weight: bold;
    white-space: nowrap;
}

.pl-message-compose__field ul {
    margin: 0;
    padding-left: 1.2em;
    color: #b00020;
    font-size: 12px;
}

.pl-message-compose__field--eno {
    flex: 0 0 auto;
}

.pl-message-compose__field--body {
    flex: 1 1 auto;
}

.pl-message-compose__eno-input {
    width: 88px;
    min-width: 88px;
}

.pl-message-compose__body-input {
    width: 100%;
    max-width: none;
}

.pl-message-compose__submit {
    flex: 0 0 auto;
    width: 72px;
    min-height: 36px;
    margin-top: 0;
}

.pl-message-line {
    word-break: break-word;
}

.pl-message-line__time,
.pl-message-line__direction,
.pl-message-line__separator {
    color: #555;
}

.pl-message-line__direction {
    font-weight: bold;
}

.pl-message-empty {
    color: #666;
}

@media (max-width: 800px) {
    .pl-message-compose-form {
        flex-wrap: wrap;
    }

    .pl-message-compose__field--body {
        flex-basis: 100%;
    }

    .pl-message-compose__submit {
        margin-left: auto;
    }
}

/* ==============================
   ページ幅統一：PLメッセージ
============================== */

/*
   PLメッセージ画面を中央フレーム内いっぱいに広げる。
   max-width指定を外し、ホーム等と同じ見え幅に揃える。
*/
.pl-message-page {
    width: 100%;
    max-width: none;
    margin: 0;
}


/* ==============================
   チャット入力プレビュー
============================== */

.chat-input-preview-card[hidden] {
    display: none !important;
}

.chat-input-preview-card {
    box-sizing: border-box;
    width: 100%;
    padding: 10px;
    border: 1px solid rgba(110, 110, 110, 0.45);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.72);
}

.chat-input-preview-card__header {
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: bold;
}

.chat-input-preview-card__post {
    margin: 0;
}

.chat-input-preview-card__body {
    min-height: 46px;
}

.chat-dice-roll--preview {
    color: #555;
}

/* 虹色文字：文字内部で虹色グラデーションを横スクロールさせます。 */
.chat-tag-rainbow {
    /*
       子要素へ同じグラデーションを引き継げるよう、値をカスタムプロパティ化します。
       <rainbow> の外側に <big> が複数重なっても、文字の描画領域が欠けません。
    */
    --chatbase-rainbow-gradient: linear-gradient(
        90deg,
        #e53935,
        #fb8c00,
        #fdd835,
        #43a047,
        #1e88e5,
        #5e35b1,
        #d81b60,
        #e53935
    );
    background-image: var(--chatbase-rainbow-gradient);
    background-size: 200% 100%;
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    animation: chatbase-rainbow-scroll 3s linear infinite;
}

/*
   background-clip:text は、外側のインライン要素だけに指定すると、内側で拡大した
   <big> の描画領域を十分に確保できず、文字の上下が欠けることがあります。
   虹色要素の内側にある大文字自身にも同じ背景を描画させ、入れ子順に依存しない
   表示へ揃えます。カスタムプロパティは途中に太字等があっても継承されます。
*/
.chat-tag-rainbow .chat-tag-big {
    background-image: var(--chatbase-rainbow-gradient);
    background-size: 200% 100%;
    background-position: inherit;
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    animation: chatbase-rainbow-scroll 3s linear infinite;
}

/*
   <rainbow><blur>...</blur></rainbow> の順では、外側の虹色要素が文字を
   描画してしまい、内側の filter: blur() をすり抜けるブラウザがあります。
   ぼかし要素自身にも虹色背景を受け持たせ、タグの順序にかかわらず
   虹色の文字そのものへぼかしが適用されるようにします。
*/
.chat-tag-rainbow .chat-tag-blur {
    background-image: var(--chatbase-rainbow-gradient);
    background-size: 200% 100%;
    background-position: inherit;
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    animation: chatbase-rainbow-scroll 3s linear infinite;
}

/*
   <rainbow><blur>...</blur></rainbow> では、background-clip:text を持つ
   外側の虹色要素が、内側のぼかしとは別に鮮明な文字を描画します。
   そのまま子要素だけをぼかすと「鮮明な虹色文字＋ぼかした虹色文字」が
   重なって半端なぼかしに見えるため、この並びでは外側の虹色要素を
   ひとつの描画単位としてぼかし、内側の二重ぼかしを止めます。
*/
.chat-tag-rainbow:has(.chat-tag-blur) {
    filter: blur(4px);
    cursor: help;
    transition: filter 0.15s ease;
}

.chat-tag-rainbow:has(.chat-tag-blur) .chat-tag-blur {
    filter: none;
}

.chat-tag-rainbow:has(.chat-tag-blur):hover,
.chat-tag-rainbow:has(.chat-tag-blur):focus-within {
    filter: blur(0);
    outline: none;
}

/*
   取消線の外側で文字サイズを拡大した場合、HTML標準の text-decoration は
   外側の通常文字サイズを基準に線を描くため、二重の <big> では線が低い位置へ
   ずれることがあります。大文字を含む取消線では外側の線を止め、最も内側の
   大文字要素自身に線を描かせます。
*/
s:has(.chat-tag-big) {
    text-decoration: none;
}

s:has(.chat-tag-big) .chat-tag-big {
    text-decoration: none;
}

s:has(.chat-tag-big) .chat-tag-big:not(:has(.chat-tag-big)) {
    text-decoration-line: line-through;
    text-decoration-skip-ink: none;
}

/*
   ruby の読み部分は通常のインライン文字とは別の描画箱になるため、外側の
   background-clip:text だけでは透明なままになるブラウザがあります。
   本文と読みの両方へ同じ虹色背景を描画します。
*/
.chat-tag-rainbow ruby,
.chat-tag-rainbow rb,
.chat-tag-rainbow rt {
    background-image: var(--chatbase-rainbow-gradient);
    background-size: 200% 100%;
    background-position: inherit;
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    animation: chatbase-rainbow-scroll 3s linear infinite;
}

/* 隠し文字：初期状態では薄灰色の帯として表示し、クリック後に本文を見せます。 */
.chat-tag-hide {
    padding: 0 0.12em;
    border-radius: 2px;
    background: #d9d9d9;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.chat-tag-hide:not(.is-revealed),
.chat-tag-hide:not(.is-revealed) * {
    color: transparent !important;
    -webkit-text-fill-color: transparent !important;
    text-shadow: none !important;
    background-image: none !important;
    user-select: none;
}

.chat-tag-hide.is-revealed {
    background: rgba(217, 217, 217, 0.35);
}

/* ぼかし文字：マウスオーバーまたはキーボードフォーカス時だけ鮮明にします。 */
.chat-tag-blur {
    filter: blur(4px);
    cursor: help;
    transition: filter 0.15s ease;
}

/*
   ruby の rt は親要素のフィルター領域外として描画される場合があるため、
   読み部分にも同じぼかしを明示的に適用します。
*/
.chat-tag-blur rt {
    filter: blur(4px);
    transition: filter 0.15s ease;
}

.chat-tag-blur:hover,
.chat-tag-blur:focus,
.chat-tag-blur:hover rt,
.chat-tag-blur:focus rt {
    filter: blur(0);
    outline: none;
}