/* 서비스 모바일 보정. 퍼블리싱 원본·PC 레이아웃과 관리자 화면에는 적용하지 않는다. */
@media (max-width: 768px) {
    .page.chat.trade-talk-page:not(.admin-message-view) {
        --trade-header-surface: #fff;
        --trade-header-soft: #f5f6f8;
        --trade-header-text: #202734;
        --trade-header-muted: #647080;
        --trade-header-line: #edf0f3;
        --trade-header-accent: #ad4e00;
        --trade-header-state: #178761;
        --trade-header-state-bg: #eaf7f2;
        --trade-chat-surface: #f6f7f9;
    }
    html.dark .page.chat.trade-talk-page:not(.admin-message-view),
    body.dark .page.chat.trade-talk-page:not(.admin-message-view) {
        --trade-header-surface: #181b20;
        --trade-header-soft: #24282f;
        --trade-header-text: #f1f3f7;
        --trade-header-muted: #9ba4b1;
        --trade-header-line: #2a2f37;
        --trade-header-accent: #ffb56e;
        --trade-header-state: #79d2b0;
        --trade-header-state-bg: #183a2f;
        --trade-chat-surface: #111419;
    }
    .page.chat.trade-talk-page:not(.admin-message-view) .layer_content_area { padding: 0; }
    .page.chat.trade-talk-page:not(.admin-message-view) .load_room .chat_room { border: 0; border-radius: 0; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header {
        padding: 0; border-bottom: 1px solid var(--trade-header-line);
        background: var(--trade-header-surface); color: var(--trade-header-text);
    }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .room_h_t {
        display: grid; grid-template-columns: 32px minmax(0, 1fr) auto 32px;
        grid-template-rows: 52px 50px; column-gap: 8px; row-gap: 0; padding: 0 12px;
    }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .back_btn {
        grid-row: 1; grid-column: 1; width: 32px; height: 44px; padding: 0; background: transparent;
    }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .back_btn img { width: 18px; height: 18px; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .room_h_user { grid-row: 1; grid-column: 2; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .user { gap: 8px; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .user_thumb img { width: 28px; height: 28px; border-radius: 9px; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .user_nickname {
        color: var(--trade-header-text); font-size: 14px; line-height: 21px; font-weight: 650;
    }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .chat_state {
        grid-row: 1; grid-column: 3; display: inline-flex; align-items: center; gap: 4px;
        width: auto; padding: 5px 7px; border-radius: 20px; white-space: nowrap;
        font-size: 10px; line-height: 14px;
    }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .chat_state::before {
        content: ''; flex: 0 0 4px; width: 4px; height: 4px; border-radius: 50%; background: currentColor;
    }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .chat_state.trading { color: var(--trade-header-state); background: var(--trade-header-state-bg); }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .option_btn { grid-row: 1; grid-column: 4; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .option_btn_img { width: 32px; height: 44px; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .option_btn_img img { width: 20px; height: 20px; opacity: .6; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .item_detail_btn {
        grid-row: 2; grid-column: 1 / -1; display: flex; align-items: center; gap: 9px;
        width: calc(100% - 8px); height: 50px; min-width: 0; margin: 0 4px; padding: 2px 0 0;
        border: 0; border-radius: 0; background: transparent; text-align: left;
    }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .item_detail_btn .item_thumb {
        flex: 0 0 34px; width: 34px; height: 38px; padding: 4px; border: 0;
        border-radius: 9px; background: var(--trade-header-soft);
    }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .item_detail_btn > .icon { display: none; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .trade-header-product-copy { display: block; flex: 1; min-width: 0; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .trade-header-product-title {
        display: block; color: var(--trade-header-text); font-size: 12px; font-weight: 500; line-height: 18px;
        overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .trade-header-product-meta { display: flex; align-items: center; gap: 6px; margin-top: 2px; min-width: 0; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .trade-header-product-price { flex-shrink: 0; color: var(--trade-header-text); font-size: 13px; font-weight: 700; line-height: 19px; white-space: nowrap; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .trade-header-product-quantity { color: var(--trade-header-muted); font-size: 10px; line-height: 19px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .trade-header-product-quantity::before { content: '·'; margin-right: 6px; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .trade-header-chevron { display: block; flex: 0 0 6px; width: 6px; height: 6px; margin: 0 4px 0 2px; border-top: 1.5px solid var(--trade-header-muted); border-right: 1.5px solid var(--trade-header-muted); transform: rotate(45deg); }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .room_h_b { margin: 5px 16px 0; padding: 6px 0; border-top: 1px solid var(--trade-header-line); }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .room_h_b:not(:has(button)) { display: none; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .room_h_b .chat_btn_list { display: flex; flex-wrap: nowrap; align-items: center; gap: 2px; margin: 0; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .room_h_b .chat_btn_list > .btn {
        display: flex; align-items: center; justify-content: center; flex: 0 0 76px;
        width: 76px; min-width: 0; height: 44px; min-height: 44px; padding: 0;
        border: 0; border-radius: 8px; background: transparent; box-shadow: none; opacity: 1;
    }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .room_h_b .chat_btn_list > .btn::before { display: none; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .room_h_b .chat_btn_list > .btn p {
        display: flex; align-items: center; justify-content: center; gap: 4px; height: 30px;
        padding: 0 4px; border: 1px solid transparent; border-radius: 7px; color: var(--trade-header-muted);
        font-size: 12px; font-weight: 500; line-height: 18px; white-space: nowrap; overflow-wrap: normal;
    }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .room_h_b .chat_btn_list > .trade_report { order: 2; flex-basis: 84px; width: 84px; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .room_h_b .chat_btn_list > .trade_completed { order: 3; flex-basis: 80px; width: 80px; margin-left: auto; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .room_h_b .chat_btn_list > .trade_completed p { width: 80px; padding: 0 2px; color: var(--trade-header-accent); font-weight: 600; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .room_h_b .chat_btn_list > .trade_cancel_wait { flex-basis: 112px; width: 112px; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .room_h_b .trade_cancel_wait_text { display: inline; margin: 0; color: inherit; font-size: 10px; line-height: inherit; letter-spacing: -.5px; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .trade-header-action-icon { display: block; flex: 0 0 14px; width: 14px; height: 14px; overflow: visible; color: inherit; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .trade-header-action-icon path { color: inherit; stroke: currentColor; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .room_h_b .btn:hover p { background: var(--trade-header-soft); }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header button:focus-visible { outline: 2px solid var(--trade-header-accent); outline-offset: 1px; }
    .page.chat.trade-talk-page:not(.admin-message-view) .room_b { padding: 0 14px; background: var(--trade-chat-surface); }
    .page.chat.trade-talk-page:not(.admin-message-view) .chat_notice { padding: 0; margin: 0; border: 0; background: transparent; box-shadow: none; }
    .page.chat.trade-talk-page:not(.admin-message-view) .chat_notice .notice_h { padding: 12px 3px 10px; gap: 6px; }
    .page.chat.trade-talk-page:not(.admin-message-view) .chat_notice .notice_h p { color: var(--trade-header-muted); font-size: 10px; font-weight: 400; }
    .page.chat.trade-talk-page:not(.admin-message-view) .chat_notice .notice_h .icon { width: 12px; height: 12px; opacity: .65; }
}
@media (max-width: 319px) {
    /* 초기 폴드 바깥 화면처럼 더 좁으면 취소 대기시간만 버튼 안의 두 번째 줄로 둔다. */
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .room_h_b .chat_btn_list > .trade_cancel_wait { flex-basis: 76px; width: 76px; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .room_h_b .chat_btn_list > .trade_cancel_wait p { display: grid; grid-template-columns: 14px minmax(0, 1fr); grid-template-rows: 16px 12px; column-gap: 4px; row-gap: 0; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .trade_cancel_wait .trade-header-action-icon { grid-column: 1; grid-row: 1 / 3; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .trade_cancel_wait .trade-action-label { grid-column: 2; grid-row: 1; }
    .page.chat.trade-talk-page:not(.admin-message-view) .trade-talk-header .trade_cancel_wait .trade_cancel_wait_text { grid-column: 2; grid-row: 2; line-height: 12px; }
}
@media (max-width: 768px) {
    /* 중요한 판매 안내는 줄 수 제한 없이 끝까지 읽을 수 있게 한다. */
    .item_create_page .business-seller-notice-text {
        max-height: none;
        overflow: visible;
    }

    /* 옵션 강조 배경의 안쪽 여백은 남기고, 행 높이와 중복 줄 간격만 줄인다. */
    .itemmarket_page .item_list.detail_type .item_option_box .item_option {
        grid-template-columns: minmax(0, 1fr);
        gap: 2px;
        padding: 6px;
    }
    .itemmarket_page .item_list.detail_type .item_option_box .item_option li {
        min-height: 26px;
        padding: 3px 6px;
        column-gap: 8px;
        align-items: center;
    }
    .itemmarket_page .item_list.detail_type .item_option_box.is-option-scrollable .item_option {
        max-height: 292px;
    }

    .page.chat:not(.admin-message-view) {
        position: fixed;
        top: var(--chat-mobile-top, 0px);
        right: 0;
        bottom: auto;
        left: 0;
        width: 100%;
        height: var(--chat-mobile-height, 100dvh);
        min-height: 0;
    }
    .page.chat:not(.admin-message-view) .page_grid,
    .page.chat:not(.admin-message-view) .layer_room_wrap,
    .page.chat:not(.admin-message-view) .layer_room,
    .page.chat:not(.admin-message-view) .layer_room > .inner {
        min-width: 0;
        min-height: 0;
    }
    .page.chat:not(.admin-message-view) .room_h,
    .page.chat:not(.admin-message-view) .room_f {
        flex-shrink: 0;
    }
    .page.chat:not(.admin-message-view) .room_b {
        min-height: 0;
    }
    .page.chat:not(.admin-message-view) .room_h_t {
        min-width: 0;
        gap: 6px;
    }
    .page.chat:not(.admin-message-view) .room_h .user_thumb {
        flex-shrink: 0;
    }
    .page.chat:not(.admin-message-view) .room_h .user_nickname {
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .page.chat:not(.admin-message-view) .room_h .item_detail_btn {
        position: relative;
        flex: 0 0 38px;
        width: 38px;
        height: 38px;
        padding: 0;
        overflow: visible;
    }
    .page.chat:not(.admin-message-view) .room_h .item_detail_btn .item_thumb {
        width: 100%;
        height: 100%;
        padding: 4px;
    }
    .page.chat:not(.admin-message-view) .item_thumb > img {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }
    .page.chat:not(.admin-message-view) .room_h .option_btn {
        flex-shrink: 0;
    }
    .page.chat:not(.admin-message-view) .room_h_b .chat_btn_list {
        flex-wrap: wrap;
        gap: 6px;
    }
    .page.chat:not(.admin-message-view) .room_h_b .chat_btn_list > .btn {
        flex: 1 1 calc(50% - 3px);
        min-width: 0;
        min-height: 36px;
        height: auto;
        padding: 8px;
    }
    .page.chat:not(.admin-message-view) .room_h_b .chat_btn_list > .btn p {
        white-space: normal;
        overflow-wrap: anywhere;
    }
    .page.chat:not(.admin-message-view) .chat_notice .notice_h {
        padding: 10px 12px;
    }
    .page.chat:not(.admin-message-view) .chat_notice .notice_h p {
        min-width: 0;
    }
    .page.chat:not(.admin-message-view) .chat_input_box {
        min-width: 0;
        padding: 12px;
        gap: 8px;
        align-items: flex-end;
        padding-bottom: max(12px, env(safe-area-inset-bottom, 0px));
    }
    .page.chat:not(.admin-message-view) .chat_input {
        flex: 1 1 0;
        width: 0;
        min-width: 0;
        height: clamp(40px, calc(var(--chat-mobile-height, 100dvh) * .18), 64px);
        font-size: 16px;
    }
    .page.chat:not(.admin-message-view) .chat_input_actions {
        flex: 0 0 auto;
        gap: 6px;
    }
    .page.chat:not(.admin-message-view) .chat_input_actions .btn {
        flex: 0 0 40px;
        width: 40px;
        height: 40px;
    }
    .page.chat:not(.admin-message-view) .layer_info {
        position: fixed;
        top: var(--chat-mobile-top, 0px);
        right: 0;
        width: min(320px, calc(100% - 24px));
        max-width: calc(100% - 24px);
        height: var(--chat-mobile-height, 100dvh);
        min-width: 0;
        padding: 52px 16px max(16px, env(safe-area-inset-bottom, 0px));
        visibility: hidden;
        pointer-events: none;
        overscroll-behavior: contain;
    }
    .page.chat:not(.admin-message-view) .layer_info.active {
        visibility: visible;
        pointer-events: auto;
    }
    .page.chat:not(.admin-message-view) .item_detail_close {
        width: 40px;
        height: 40px;
        top: 8px;
        right: 8px;
    }
    .page.chat:not(.admin-message-view) .chat_item_top .game,
    .page.chat:not(.admin-message-view) .chat_item_top .category {
        flex-wrap: wrap;
    }
    .page.chat:not(.admin-message-view) .chat_item_main .item_body,
    .page.chat:not(.admin-message-view) .chat_item_top .game p {
        min-width: 0;
        overflow-wrap: anywhere;
    }
}