/* ============================================================
   錄取通知工作區（ON-02 三階段版面與響應式）
   範圍鐵律：所有規則限縮於 #offer-notify 內的 .md-offer-notify* 容器；
   不覆蓋全域 button / table / input / select / .sidebar / .card。
   原型變數（--purple/--bg/--surface/--line/--ink/--muted）不全域貼入，
   以 --on-* 區域變數橋接 --md-* tokens。
   .offer_letter_card（admin-base.css）僅在本頁停止使用，不改其定義。
   內容三 tab、預覽內容與階段計數由 ON-03／ON-04 填入，本票只做版面容器。
   ============================================================ */

#offer-notify {
    --on-primary: var(--md-primary, #7a4ca9);
    --on-primary-dark: #563278;
    --on-on-primary-container: var(--md-on-primary-container, #2b0a54);
    --on-primary-container: var(--md-primary-container, #efddff);
    --on-surface: var(--md-surface, #fffbfe);
    --on-surface-low: var(--md-surface-container-low, #f7f1fa);
    --on-surface-container: var(--md-surface-container, #f1eaf5);
    --on-surface-high: var(--md-surface-container-high, #ebe3f0);
    --on-line: var(--md-outline-variant, #cac4d0);
    --on-line-soft: #e8dfed;
    --on-ink: var(--md-on-surface, #1c1b1f);
    --on-muted: var(--md-on-surface-variant, #49454f);
    --on-faint: #706777;
    --on-success: var(--md-success, #276b3d);
    --on-warning: var(--md-warning, #8f5b00);
    --on-danger: var(--md-error, #b3261e);
    --on-focus: rgba(122, 76, 169, 0.55);
    min-width: 0;
}

#offer-notify .md-offer-notify,
#offer-notify .md-offer-notify * {
    box-sizing: border-box;
}

/* 螢幕閱讀器專用（限本工作區，不污染全域 .sr-only） */
#offer-notify .md-offer-notify-sr {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

#offer-notify .md-offer-notify {
    max-width: 1510px;
    margin: 0 auto;
    padding: 22px 28px 44px;
    color: var(--on-ink);
}

/* ── 標題區 ── */
#offer-notify .md-offer-notify-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 20px;
    margin-bottom: 20px;
}

#offer-notify .md-offer-notify-eyebrow {
    margin: 0 0 6px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.18em;
    color: var(--on-primary);
}

#offer-notify .md-offer-notify-title {
    margin: 0;
    padding: 0;
    border: 0;
    font-family: 'Noto Serif TC', 'Songti TC', serif;
    font-size: 42px;
    font-weight: 600;
    letter-spacing: 0.04em;
    line-height: 1.5;
    color: var(--md-on-surface);
    text-align: left;
    text-shadow: none;
}

#offer-notify .md-offer-notify-subtitle {
    margin: 6px 0 0;
    color: var(--on-faint);
    font-size: 13px;
}

#offer-notify .md-offer-notify-flow {
    flex-shrink: 0;
    padding: 7px 14px;
    border-radius: var(--md-radius-pill, 9999px);
    background: var(--on-primary-container);
    color: var(--on-on-primary-container);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

/* ── 三階段卡片 ── */
#offer-notify .md-offer-notify-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 22px;
    padding: 0;
    border: 0;
}

#offer-notify .md-offer-notify-step {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
    width: 100%;
    padding: 17px 18px;
    border: 1px solid var(--on-line);
    border-radius: 16px;
    background: var(--on-surface);
    color: var(--on-muted);
    text-align: left;
    cursor: pointer;
    font: inherit;
    transition: border-color var(--md-dur-fast) var(--md-ease),
                background var(--md-dur-fast) var(--md-ease),
                color var(--md-dur-fast) var(--md-ease),
                box-shadow var(--md-dur-fast) var(--md-ease);
}

#offer-notify .md-offer-notify-step:hover {
    border-color: #c9ace0;
    background: var(--on-surface-low);
}

#offer-notify .md-offer-notify-step[aria-pressed="true"] {
    border-color: #c9ace0;
    background: #eee1f8;
    color: var(--on-primary-dark);
    box-shadow: 0 2px 10px rgba(105, 64, 144, 0.07);
}

#offer-notify .md-offer-notify-step-number {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 11px;
    background: var(--on-surface-container);
    color: var(--on-muted);
    display: grid;
    place-items: center;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

#offer-notify .md-offer-notify-step[aria-pressed="true"] .md-offer-notify-step-number {
    background: var(--on-primary);
    color: #fff;
}

#offer-notify .md-offer-notify-step-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

#offer-notify .md-offer-notify-step-text b {
    display: block;
    font-size: 13.5px;
    font-weight: 700;
    margin-bottom: 3px;
    color: #493653;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#offer-notify .md-offer-notify-step-text small {
    font-size: 11.5px;
    color: var(--on-faint);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#offer-notify .md-offer-notify-step-count {
    /* 2026-10-04 套用總覽數字樣式（Georgia 襯線＋lining/tabular＋-.045em）；36px 為按鈕內版面調整值。
       色彩保留按鈕狀態語意：未選 on-primary-dark、選中 on-primary（下方 aria-pressed 規則），不上 on-surface。
       flex-shrink: 0＝空間緊時由文字欄（ellipsis）退讓，數字不得被壓縮換行。 */
    margin-left: auto;
    flex-shrink: 0;
    font: 600 36px/1.1 Georgia, 'Noto Serif TC', serif;
    font-variant-numeric: lining-nums tabular-nums;
    letter-spacing: -.045em;
    color: var(--on-primary-dark);
}

#offer-notify .md-offer-notify-step[aria-pressed="true"] .md-offer-notify-step-count {
    color: var(--on-primary);
}

/* ── 雙欄工作區 ── */
#offer-notify .md-offer-notify-workbench {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 355px;
    gap: 20px;
    align-items: start;
}

#offer-notify .md-offer-notify-main {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 0;
}

/* ── 面板（取代本頁 .offer_letter_card，定義不動） ── */
#offer-notify .md-offer-notify-panel {
    min-width: 0;
    border: 1px solid var(--on-line);
    border-radius: 18px;
    background: var(--on-surface);
    box-shadow: var(--md-shadow-1, 0 1px 2px rgba(0, 0, 0, 0.07));
    overflow: hidden;
}

#offer-notify .md-offer-notify-panel[hidden] {
    display: none;
}

#offer-notify .md-offer-notify-panel-top {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    padding: 19px 22px 0;
}

#offer-notify .md-offer-notify-panel-title {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--on-ink);
}

#offer-notify .md-offer-notify-panel-sub {
    display: block;
    margin-top: 3px;
    font-size: 11.5px;
    color: var(--on-faint);
}

#offer-notify .md-offer-notify-panel-count {
    flex-shrink: 0;
    font-size: 12px;
    font-weight: 600;
    color: var(--on-muted);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

/* ── 篩選列 ── */
#offer-notify .md-offer-notify-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    padding: 16px 20px 12px;
}

#offer-notify .md-offer-notify-input,
#offer-notify .md-offer-notify-select {
    padding: 8px 11px;
    border: 1px solid var(--on-line);
    border-radius: 10px;
    background: var(--on-surface);
    color: var(--on-ink);
    font-size: 13px;
    min-width: 0;
}

#offer-notify .md-offer-notify-input {
    width: 170px;
}

#offer-notify .md-offer-notify-select {
    max-width: 150px;
}

#offer-notify .md-offer-notify-input::placeholder {
    color: var(--on-faint);
}

#offer-notify .md-offer-notify-input:hover,
#offer-notify .md-offer-notify-select:hover {
    border-color: #b49bc9;
}

#offer-notify .md-offer-notify-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    padding: 4px 2px;
    cursor: pointer;
    font-size: 12.5px;
    color: var(--on-muted);
    user-select: none;
}

#offer-notify .md-offer-notify-toggle .tgl-toggle {
    width: 34px;
    height: 19px;
}

#offer-notify .md-offer-notify-toggle .tgl-toggle .thumb {
    width: 15px;
    height: 15px;
}

#offer-notify .md-offer-notify-toggle:hover {
    color: var(--on-ink);
}

/* ── 批次工具列 ── */
#offer-notify .md-offer-notify-batch {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin: 0 20px 12px;
    padding: 11px 14px;
    border: 1px solid var(--on-line-soft);
    border-radius: 12px;
    background: var(--on-surface-low);
}

#offer-notify .md-offer-notify-check {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin: 0;
    cursor: pointer;
    font-size: 12.5px;
    color: var(--on-muted);
    user-select: none;
    white-space: nowrap;
}

#offer-notify .md-offer-notify-check input,
#offer-notify .md-offer-notify-table input[type="checkbox"] {
    width: 15px;
    height: 15px;
    margin: 0;
    accent-color: var(--on-primary);
    cursor: pointer;
    flex-shrink: 0;
}

#offer-notify .md-offer-notify-batch-count {
    font-size: 12px;
    color: var(--on-faint);
}

#offer-notify .md-offer-notify-batch-spacer {
    flex: 1;
}

/* ── 按鈕（限本工作區） ── */
#offer-notify .md-offer-notify-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 9px 16px;
    border-radius: 10px;
    border: 1px solid transparent;
    background: var(--on-surface);
    color: var(--on-ink);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--md-dur-fast) var(--md-ease),
                box-shadow var(--md-dur-fast) var(--md-ease);
}

#offer-notify .md-offer-notify-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

#offer-notify .md-offer-notify-btn--primary {
    background: var(--on-primary);
    color: #fff;
}

#offer-notify .md-offer-notify-btn--primary:hover:not(:disabled) {
    box-shadow: 0 3px 12px rgba(122, 76, 169, 0.32);
}

#offer-notify .md-offer-notify-btn--tonal {
    background: var(--on-primary-container);
    color: var(--on-on-primary-container);
}

#offer-notify .md-offer-notify-btn--ghost {
    border-color: var(--on-line);
    color: var(--on-muted);
}

#offer-notify .md-offer-notify-btn--ghost:hover:not(:disabled) {
    border-color: #b49bc9;
    color: var(--on-ink);
}

#offer-notify .md-offer-notify-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    border: 1px solid var(--on-line);
    border-radius: 10px;
    background: var(--on-surface);
    color: var(--on-muted);
    cursor: pointer;
    transition: background var(--md-dur-fast) var(--md-ease),
                color var(--md-dur-fast) var(--md-ease);
}

#offer-notify .md-offer-notify-icon-btn:hover:not(:disabled) {
    background: var(--on-surface-low);
    color: var(--on-ink);
}

#offer-notify .md-offer-notify-icon-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ── 表格 ── */
#offer-notify .md-offer-notify-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

#offer-notify .md-offer-notify-table {
    width: 100%;
    min-width: 640px;
    border-collapse: collapse;
    font-size: 13px;
}

#offer-notify .md-offer-notify-table thead th {
    padding: 10px 12px;
    background: var(--on-surface-low);
    border-bottom: 1px solid var(--on-line);
    text-align: left;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: var(--on-muted);
    white-space: nowrap;
}

#offer-notify .md-offer-notify-table thead th.md-offer-notify-th--center {
    text-align: center;
}

#offer-notify .md-offer-notify-table thead th.md-offer-notify-th--check {
    width: 40px;
    text-align: center;
}

#offer-notify .md-offer-notify-table td {
    vertical-align: middle;
}

#offer-notify .md-offer-notify-empty-cell {
    text-align: center !important;
    color: var(--on-faint);
    padding: 26px 12px !important;
    font-size: 13px;
}

/* ── ON-03：確認結果 chips（限本工作區；原型 .chip 語意，色票走 --on-* tokens） ── */
#offer-notify .md-offer-notify-chips {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

#offer-notify .md-offer-notify-chip {
    border: 0;
    padding: 7px 10px;
    border-radius: 8px;
    background: transparent;
    color: var(--on-faint);
    font-size: 12px;
    font-family: inherit;
    line-height: 1.2;
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--md-dur-fast) var(--md-ease),
                color var(--md-dur-fast) var(--md-ease);
}

#offer-notify .md-offer-notify-chip:hover {
    color: var(--on-primary-dark);
    background: var(--on-surface-low);
}

#offer-notify .md-offer-notify-chip[aria-pressed="true"] {
    color: var(--on-primary);
    background: var(--on-primary-container);
    font-weight: 600;
}

/* ── ON-03：狀態徽章（已作廢等；限本工作區） ── */
#offer-notify .md-offer-notify-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    line-height: 1.5;
    white-space: nowrap;
}

#offer-notify .md-offer-notify-badge--voided {
    background: var(--on-surface-high);
    color: var(--on-faint);
    border: 1px solid var(--on-line);
}

/* ── ON-03：回覆摘要（原型 .reply-summary 語意；口徑註記一併呈現） ── */
#offer-notify .md-offer-notify-reply-summary {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin: 0 20px 16px;
    padding: 13px 16px;
    border: 1px solid var(--on-line-soft);
    border-radius: 12px;
    background: var(--on-surface-low);
}

#offer-notify .md-offer-notify-reply-summary p {
    margin: 0;
    font-size: 12.5px;
    color: var(--on-muted);
}

#offer-notify .md-offer-notify-reply-summary p b {
    margin: 0 3px;
    font-size: 16px;
    font-weight: 700;
    color: var(--on-primary);
    font-variant-numeric: tabular-nums;
}

#offer-notify .md-offer-notify-reply-summary small {
    font-size: 11px;
    line-height: 1.7;
    color: var(--on-faint);
}

/* ── 分頁列 ── */
#offer-notify .md-offer-notify-pager {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
    padding: 12px 20px 16px;
    border-top: 1px solid var(--on-line-soft);
}

#offer-notify .md-offer-notify-pager-size {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--on-faint);
    margin-right: auto;
}

#offer-notify .md-offer-notify-pager-size select {
    padding: 6px 9px;
    border: 1px solid var(--on-line);
    border-radius: 9px;
    background: var(--on-surface);
    color: var(--on-ink);
    font-size: 12.5px;
    cursor: pointer;
}

#offer-notify .md-offer-notify-pager-info {
    font-size: 12px;
    color: var(--on-muted);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

#offer-notify .md-offer-notify-pager-nav {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ── 右側預覽容器（內容由 ON-04 填入） ── */
#offer-notify .md-offer-notify-preview {
    position: sticky;
    top: 76px;
    min-width: 0;
    max-height: calc(100vh - 100px);
    overflow: hidden auto;
    border: 1px solid var(--on-line);
    border-radius: 18px;
    background: var(--on-surface);
    box-shadow: var(--md-shadow-1, 0 1px 2px rgba(0, 0, 0, 0.07));
    display: flex;
    flex-direction: column;
}

#offer-notify .md-offer-notify-preview-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 17px 18px 13px;
    border-bottom: 1px solid var(--on-line-soft);
}

#offer-notify .md-offer-notify-preview-eyebrow {
    margin: 0 0 3px;
    font-size: 9.5px;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: var(--on-primary);
}

#offer-notify .md-offer-notify-preview-title {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--on-ink);
}

#offer-notify .md-offer-notify-preview-close {
    display: none;
    flex-shrink: 0;
}

#offer-notify .md-offer-notify-preview-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 9px;
    text-align: center;
    padding: 54px 26px 62px;
    color: var(--on-faint);
}

#offer-notify .md-offer-notify-preview-empty i {
    font-size: 30px;
    color: #b49bc9;
}

#offer-notify .md-offer-notify-preview-empty b {
    font-size: 14px;
    color: var(--on-muted);
}

#offer-notify .md-offer-notify-preview-empty span {
    font-size: 12px;
    line-height: 1.6;
    max-width: 250px;
}

#offer-notify .md-offer-notify-preview-body,
#offer-notify .md-offer-notify-preview-actions {
    padding: 0 18px 18px;
}

#offer-notify .md-offer-notify-preview-body[hidden],
#offer-notify .md-offer-notify-preview-actions[hidden],
#offer-notify .md-offer-notify-preview-empty[hidden] {
    display: none;
}

/* ── 手機預覽開合鈕 ── */
#offer-notify .md-offer-notify-preview-fab {
    display: none;
    position: fixed;
    right: 16px;
    bottom: 18px;
    z-index: 9500;
    align-items: center;
    gap: 8px;
    padding: 12px 18px;
    border: 0;
    border-radius: var(--md-radius-pill, 9999px);
    background: var(--on-primary);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(43, 10, 84, 0.28);
    transition: transform var(--md-dur-fast) var(--md-ease),
                box-shadow var(--md-dur-fast) var(--md-ease);
}

#offer-notify .md-offer-notify-preview-fab:hover {
    transform: translateY(-2px);
    box-shadow: 0 9px 26px rgba(43, 10, 84, 0.34);
}

#offer-notify .md-offer-notify-preview-fab[hidden] {
    display: none;
}

/* ── 寄送確認容器（內容／寄送由 ON-06 填入） ── */
#offer-notify .md-offer-notify-dialog {
    display: none;
    width: min(560px, calc(100vw - 32px));
    max-height: min(640px, calc(100vh - 48px));
    padding: 0;
    border: 1px solid var(--on-line);
    border-radius: 20px;
    background: var(--on-surface);
    color: var(--on-ink);
    overflow: hidden;
}

#offer-notify .md-offer-notify-dialog[open] {
    display: flex;
    flex-direction: column;
}

#offer-notify .md-offer-notify-dialog::backdrop {
    background: rgba(28, 15, 43, 0.45);
}

#offer-notify .md-offer-notify-dialog-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    padding: 20px 22px 14px;
}

#offer-notify .md-offer-notify-dialog-eyebrow {
    margin: 0 0 4px;
    font-size: 9.5px;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: var(--on-primary);
}

#offer-notify .md-offer-notify-dialog-title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--on-ink);
}

#offer-notify .md-offer-notify-dialog-body {
    padding: 0 22px 4px;
    overflow: hidden auto;
    min-height: 0;
}

#offer-notify .md-offer-notify-dialog-copy {
    margin: 0 0 14px;
    font-size: 13.5px;
    line-height: 1.65;
    color: var(--on-muted);
}

#offer-notify .md-offer-notify-dialog-recipients {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 14px;
    min-height: 0;
}

#offer-notify .md-offer-notify-dialog-note {
    margin: 0 0 16px;
    font-size: 11.5px;
    line-height: 1.6;
    color: var(--on-faint);
}

#offer-notify .md-offer-notify-dialog-foot {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding: 14px 22px 20px;
    border-top: 1px solid var(--on-line-soft);
}

/* ── focus（自帶清晰 focus-visible，限縮本工作區） ── */
#offer-notify .md-offer-notify :focus-visible {
    outline: 3px solid var(--on-focus);
    outline-offset: 3px;
    border-radius: 8px;
}

#offer-notify .md-offer-notify-step:focus-visible {
    outline-offset: 2px;
}

/* ── 響應式：1440 / 1200 / 1024 / 820 / 480 ── */
@media (min-width: 1440px) {
    #offer-notify .md-offer-notify {
        padding-top: 30px;
    }

    #offer-notify .md-offer-notify-workbench {
        grid-template-columns: minmax(0, 1fr) 380px;
        gap: 22px;
    }
}

@media (max-width: 1200px) {
    #offer-notify .md-offer-notify {
        padding: 20px 22px 40px;
    }

    #offer-notify .md-offer-notify-workbench {
        grid-template-columns: minmax(0, 1fr) 320px;
        gap: 16px;
    }

    #offer-notify .md-offer-notify-step {
        padding: 15px 15px;
        gap: 11px;
    }

    #offer-notify .md-offer-notify-step-count {
        font-size: 30px;
    }
}

/* 平板：雙欄太擠，改單欄堆疊，預覽置於名單下方 */
@media (max-width: 1100px) {
    #offer-notify .md-offer-notify-workbench {
        grid-template-columns: minmax(0, 1fr);
    }

    #offer-notify .md-offer-notify-preview {
        position: static;
        top: auto;
        max-height: none;
    }
}

/* 手機：步驟鈕單欄、文字可換行；預覽改全覆蓋面板 + FAB */
@media (max-width: 820px) {
    #offer-notify .md-offer-notify {
        padding: 18px 16px 72px;
    }

    #offer-notify .md-offer-notify-steps {
        grid-template-columns: minmax(0, 1fr);
        gap: 10px;
    }

    #offer-notify .md-offer-notify-step-text b,
    #offer-notify .md-offer-notify-step-text small {
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }

    #offer-notify .md-offer-notify-filters {
        padding: 14px 16px 10px;
    }

    #offer-notify .md-offer-notify-input,
    #offer-notify .md-offer-notify-select {
        flex: 1 1 130px;
        max-width: none;
        width: auto;
    }

    #offer-notify .md-offer-notify-toggle {
        margin-left: 0;
        flex-basis: 100%;
    }

    /* ON-03：chips 與摘要在窄頻的排版 */
    #offer-notify .md-offer-notify-chips {
        flex-basis: 100%;
    }

    #offer-notify .md-offer-notify-reply-summary {
        margin: 0 16px 14px;
    }

    #offer-notify .md-offer-notify-batch {
        margin: 0 16px 12px;
    }

    #offer-notify .md-offer-notify-pager {
        padding: 12px 16px 14px;
    }

    #offer-notify .md-offer-notify-btn--primary {
        flex: 1 1 auto;
    }

    /* 預覽改為全覆蓋面板：預設收合，--open 才滑入。
       收合時同時 visibility:hidden，避免位移出畫面的面板仍留在 Tab 焦點鏈。 */
    #offer-notify .md-offer-notify-preview {
        position: fixed;
        inset: 0;
        z-index: 9600;
        top: 0;
        max-height: none;
        border: 0;
        border-radius: 0;
        background: var(--on-surface);
        transform: translate3d(0, 102%, 0);
        visibility: hidden;
        transition: transform var(--md-dur) var(--md-ease),
                    visibility 0s linear var(--md-dur);
    }

    #offer-notify .md-offer-notify-preview--open {
        transform: translate3d(0, 0, 0);
        visibility: visible;
        transition-delay: 0s, 0s;
    }

    #offer-notify .md-offer-notify-preview-top {
        position: sticky;
        top: 0;
        z-index: 1;
        background: var(--on-surface);
        padding: 14px 16px 12px;
    }

    #offer-notify .md-offer-notify-preview-close {
        display: inline-flex;
    }

    #offer-notify .md-offer-notify-preview-empty {
        min-height: 40vh;
        padding: 40px 22px;
    }

    #offer-notify .md-offer-notify-preview-fab {
        display: inline-flex;
    }
}

@media (max-width: 480px) {
    #offer-notify .md-offer-notify-heading {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        margin-bottom: 16px;
    }

    #offer-notify .md-offer-notify-title {
        font-size: 36px;
    }

    #offer-notify .md-offer-notify-flow {
        max-width: 100%;
        padding: 6px 12px;
        font-size: 11.5px;
    }

    #offer-notify .md-offer-notify-step {
        padding: 13px 14px;
        gap: 10px;
    }

    /* 窄頻隱藏數字徽，避免擠壓文字 */
    #offer-notify .md-offer-notify-step-number {
        display: none;
    }

    #offer-notify .md-offer-notify-step-count {
        font-size: 28px;
    }

    #offer-notify .md-offer-notify-panel-top {
        padding: 16px 16px 0;
    }

    #offer-notify .md-offer-notify-batch-count {
        flex-basis: 100%;
    }

    #offer-notify .md-offer-notify-pager-size {
        margin-right: 0;
        flex-basis: 100%;
    }
}

/* ── ON-04：右欄預覽內容 ── */
#offer-notify .md-offer-notify-preview-row {
    cursor: pointer;
}

#offer-notify .md-offer-notify-preview-row:hover,
#offer-notify .md-offer-notify-preview-row--selected {
    background: color-mix(in srgb, var(--on-primary) 8%, transparent);
}

#offer-notify .md-offer-notify-preview-row:focus-visible {
    outline: 3px solid var(--on-focus);
    outline-offset: -3px;
}

#offer-notify .md-offer-notify-preview-meta {
    padding: 16px 18px 0;
}

#offer-notify .md-offer-notify-preview-person {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 6px 10px;
    margin-bottom: 12px;
}

#offer-notify .md-offer-notify-preview-person strong {
    color: var(--on-ink);
    font-size: 17px;
}

#offer-notify .md-offer-notify-preview-person span {
    color: var(--on-muted);
    font-size: 12px;
}

#offer-notify .md-offer-notify-preview-meta dl,
#offer-notify .md-offer-notify-preview-history {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin: 0;
}

#offer-notify .md-offer-notify-preview-field {
    min-width: 0;
    padding: 9px 10px;
    border: 1px solid var(--on-line-soft);
    border-radius: 10px;
    background: var(--on-surface-low, #faf8fc);
}

#offer-notify .md-offer-notify-preview-field dt {
    margin-bottom: 3px;
    color: var(--on-faint);
    font-size: 10.5px;
}

#offer-notify .md-offer-notify-preview-field dd {
    overflow-wrap: anywhere;
    margin: 0;
    color: var(--on-ink);
    font-size: 12px;
    line-height: 1.45;
}

#offer-notify .md-offer-notify-preview-tabs {
    display: flex;
    gap: 4px;
    margin: 16px 18px 0;
    padding: 4px;
    border-radius: 12px;
    background: var(--on-surface-low, #faf8fc);
}

#offer-notify .md-offer-notify-preview-tabs button {
    flex: 1 1 0;
    min-width: 0;
    padding: 8px 7px;
    border: 0;
    border-radius: 9px;
    background: transparent;
    color: var(--on-muted);
    font-size: 12px;
    cursor: pointer;
}

#offer-notify .md-offer-notify-preview-tabs button[aria-selected="true"] {
    background: var(--on-surface);
    color: var(--on-primary);
    font-weight: 700;
    box-shadow: var(--md-shadow-1, 0 1px 2px rgba(0, 0, 0, .08));
}

#offer-notify .md-offer-notify-preview-tab {
    padding: 14px 18px 0;
}

#offer-notify .md-offer-notify-preview-tab[hidden] {
    display: none;
}

#offer-notify .md-offer-notify-preview-document {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#offer-notify .md-offer-notify-preview-document embed {
    display: block;
    width: 100%;
    min-height: 360px;
    height: min(48vh, 560px);
    border: 1px solid var(--on-line);
    border-radius: 10px;
    background: #f4f1f7;
}

#offer-notify .md-offer-notify-preview-document-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

#offer-notify .md-offer-notify-preview-document-actions .md-offer-notify-btn {
    text-decoration: none;
}

#offer-notify .md-offer-notify-preview-status {
    margin: 0;
    padding: 24px 14px;
    border: 1px dashed var(--on-line);
    border-radius: 12px;
    color: var(--on-muted);
    font-size: 12.5px;
    line-height: 1.6;
    text-align: center;
}

#offer-notify .md-offer-notify-preview-status--error {
    border-color: #e3b5bd;
    background: #fff7f8;
    color: #a33445;
}

#offer-notify .md-offer-notify-preview-status--loading,
#offer-notify .md-offer-notify-preview-loading {
    color: var(--on-muted);
}

#offer-notify .md-offer-notify-preview-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 48px 18px;
    text-align: center;
}

#offer-notify .md-offer-notify-preview-loading small {
    color: var(--on-faint);
}

#offer-notify .md-offer-notify-spinner {
    width: 22px;
    height: 22px;
    border: 2px solid var(--on-line);
    border-top-color: var(--on-primary);
    border-radius: 50%;
    animation: md-offer-notify-spin .8s linear infinite;
}

@keyframes md-offer-notify-spin {
    to { transform: rotate(360deg); }
}

#offer-notify .md-offer-notify-preview-note {
    margin: 0 0 10px;
    padding: 9px 10px;
    border-radius: 9px;
    background: #f5f0fa;
    color: var(--on-muted);
    font-size: 11.5px;
    line-height: 1.55;
}

#offer-notify .md-offer-notify-preview-email-subject {
    overflow-wrap: anywhere;
    margin: 0 0 10px;
    color: var(--on-ink);
    font-size: 12px;
}

#offer-notify .md-offer-notify-preview-email-frame {
    min-height: 300px;
    overflow: hidden;
    border: 1px solid var(--on-line);
    border-radius: 10px;
    background: #fff;
}

#offer-notify #onPreviewEmailFrame {
    display: block;
    width: 100%;
    height: 360px;
    border: 0;
}

#offer-notify .md-offer-notify-preview-input-summary {
    display: grid;
    gap: 7px;
    margin: 14px 18px 18px;
    padding-top: 12px;
    border-top: 1px solid var(--on-line-soft);
}

#offer-notify .md-offer-notify-preview-input-summary > div {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    color: var(--on-muted);
    font-size: 11.5px;
}

#offer-notify .md-offer-notify-preview-input-summary > div b {
    color: var(--on-ink);
    font-weight: 600;
    text-align: right;
}

#offer-notify .md-offer-notify-preview-salary {
    display: grid;
    gap: 4px;
    padding-top: 5px;
    color: var(--on-muted);
    font-size: 11.5px;
}

#offer-notify .md-offer-notify-preview-salary b {
    color: var(--on-ink);
}

#offer-notify .md-offer-notify-preview-history {
    grid-template-columns: 1fr;
}

@media (max-width: 820px) {
    #offer-notify .md-offer-notify-preview-meta {
        padding: 14px 16px 0;
    }

    #offer-notify .md-offer-notify-preview-meta dl {
        grid-template-columns: 1fr;
    }

    #offer-notify .md-offer-notify-preview-tabs {
        margin-left: 16px;
        margin-right: 16px;
    }

    #offer-notify .md-offer-notify-preview-tab {
        padding-left: 16px;
        padding-right: 16px;
    }

    #offer-notify .md-offer-notify-preview-document embed {
        min-height: 320px;
        height: 55vh;
    }

    #offer-notify .md-offer-notify-preview-input-summary {
        margin-left: 16px;
        margin-right: 16px;
    }
}

/* ── reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    #offer-notify .md-offer-notify,
    #offer-notify .md-offer-notify *,
    #offer-notify .md-offer-notify *::before,
    #offer-notify .md-offer-notify *::after {
        transition: none !important;
        animation: none !important;
        scroll-behavior: auto !important;
    }
}

/* ── ON-06：寄送確認框內容（收件清單／逐筆結果）——全部限縮 #offer-notify ── */
#offer-notify .md-offer-notify-send-head {
    margin: 2px 0;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--on-ink);
}

#offer-notify .md-offer-notify-send-row {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.5fr) minmax(0, 1.2fr) 42px;
    gap: 8px;
    align-items: center;
    padding: 7px 10px;
    border: 1px solid var(--on-line-soft);
    border-radius: 10px;
    background: var(--on-surface-low);
    font-size: 12px;
}

#offer-notify .md-offer-notify-send-name {
    font-weight: 700;
    color: var(--on-ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#offer-notify .md-offer-notify-send-email,
#offer-notify .md-offer-notify-send-job,
#offer-notify .md-offer-notify-send-detail {
    color: var(--on-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#offer-notify .md-offer-notify-send-ver {
    text-align: center;
    font-weight: 700;
    color: var(--on-primary);
}

#offer-notify .md-offer-notify-send-note {
    font-size: 12px;
    line-height: 1.6;
    color: var(--on-muted);
}

#offer-notify .md-offer-notify-send-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    font-size: 12.5px;
    color: var(--on-muted);
}

#offer-notify .md-offer-notify-send-summary {
    margin-bottom: 4px;
    font-size: 13px;
    font-weight: 700;
    color: var(--on-ink);
}

#offer-notify .md-offer-notify-send-result-row {
    display: grid;
    grid-template-columns: 20px minmax(0, 1fr) minmax(0, 1.7fr);
    gap: 8px;
    align-items: center;
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 12px;
}

#offer-notify .md-offer-notify-send-result-row--ok { background: rgba(22, 163, 74, 0.08); }
#offer-notify .md-offer-notify-send-result-row--fail { background: rgba(220, 53, 69, 0.08); }
#offer-notify .md-offer-notify-send-result-row--skip { background: rgba(107, 114, 128, 0.1); }

#offer-notify .md-offer-notify-send-result-icon {
    text-align: center;
    font-weight: 700;
}

#offer-notify .md-offer-notify-send-result-row--ok .md-offer-notify-send-result-icon { color: #16a34a; }
#offer-notify .md-offer-notify-send-result-row--fail .md-offer-notify-send-result-icon { color: #dc3545; }
#offer-notify .md-offer-notify-send-result-row--skip .md-offer-notify-send-result-icon { color: #6b7280; }

#offer-notify .md-offer-notify-send-result-label {
    font-weight: 700;
    color: var(--on-ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#offer-notify .md-offer-notify-send-result-detail {
    color: var(--on-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (max-width: 480px) {
    #offer-notify .md-offer-notify-send-row {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
    }

    #offer-notify .md-offer-notify-send-ver {
        display: none;
    }
}