/* deu-dialoge.css — hội thoại A1 nghe – nói (/dialogues, public/deu/dialogues/*). Giao diện 13/10/2026: cùng khuôn các trang Luyện thi
   (dải đậm + thẻ chồng mép dải, lọc chủ đề, thanh điểm); trang luyện giữ bong bóng chat 12/10/2026. Chỉ token màu (tự lật nền tối). */
.dd { --dd-ok: var(--color-gender-das); --dd-ok-soft: var(--color-gender-das-soft); --dd-ok-fg: var(--color-gender-das-fg);
      --dd-no: var(--color-gender-die); --dd-no-soft: var(--color-gender-die-soft); --dd-no-fg: var(--color-gender-die-fg);
      --dd-mid: var(--color-brand-gold); --dd-link: var(--lv-brand-fg); }
html[data-user-theme="dark"] .dd { --dd-link: color-mix(in srgb, var(--color-primary) 32%, var(--color-on-dark)); }
@media (prefers-color-scheme: dark) { html[data-user-theme="system"] .dd { --dd-link: color-mix(in srgb, var(--color-primary) 32%, var(--color-on-dark)); } }
.dd .lv-card { padding: 20px 22px; }

/* ── Dải đầu ──────────────────────────────────────────────────────────────────────────────────────── */
.dd-band { --lv-band-pb: 104px; }
.dd-band--play { --lv-band-pb: 96px; }
.dd-hero { display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.dd-hero__l { flex: 1 1 460px; min-width: 0; }
.dd-title { font-size: clamp(26px, 3vw, 38px); font-weight: 700; letter-spacing: -.025em; line-height: 1.15; }
.dd-title span { color: var(--color-brand-gold); }
.dd-title small { display: block; margin-top: 6px; font-size: .5em; font-weight: 500; letter-spacing: 0; opacity: .8; }
.dd-kicker { margin: 0 0 8px !important; font-size: 13px; color: var(--lv-on-2); }
.dd-kicker a { color: var(--lv-on); text-decoration: underline; text-underline-offset: 3px; }
.dd-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.dd-chips .lv-chip-d { gap: 6px; }
.dd-progress { flex: none; width: min(290px, 100%); display: flex; flex-direction: column; gap: 8px; padding: 18px 20px; color: var(--lv-on); }
.dd-progress small { font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--color-brand-gold); }
.dd-progress b { font-size: 34px; font-weight: 700; letter-spacing: -.02em; line-height: 1; }
.dd-progress b span { font-size: 15px; font-weight: 500; opacity: .75; margin-left: 4px; }
.dd-progress__bar { display: block; height: 6px; border-radius: 999px; background: color-mix(in srgb, var(--color-on-dark) 16%, transparent); }
.dd-progress__bar i { display: block; height: 100%; border-radius: inherit; background: var(--color-brand-gold); }
.dd-progress .lv-btn { margin-top: 4px; }

/* ── Danh sách ────────────────────────────────────────────────────────────────────────────────────── */
.dd-body { position: relative; z-index: 1; margin-top: -76px; }
.dd-filter { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding: 6px 8px 6px 6px !important; margin-bottom: 20px; }
.dd-fs { display: flex; flex-wrap: wrap; gap: 4px; }
.dd-topic { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--lv-muted); }
.dd-topic select { height: 36px; max-width: 260px; padding: 0 30px 0 12px; border: 1px solid var(--lv-hair); border-radius: 10px; font: inherit; font-size: 13.5px;
    color: var(--lv-ink); background-color: var(--lv-surface); cursor: pointer; }
.dd-topic select:focus { outline: none; border-color: var(--color-primary); }
.dd-none { padding: 24px; text-align: center; font-size: 14px; color: var(--lv-muted); }
.dd-f { display: inline-flex; align-items: center; gap: 7px; height: 36px; padding: 0 12px; border: 0; border-radius: 10px; cursor: pointer;
    background: transparent; color: var(--lv-text); font: inherit; font-size: 13.5px; font-weight: 500; }
.dd-f i { font-style: normal; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 999px; display: inline-grid; place-items: center;
    font-size: 11.5px; font-weight: 600; background: var(--lv-sunken); color: var(--lv-muted); }
.dd-f:hover { background: var(--lv-sunken); }
.dd-f.is-on { background: var(--lv-wash); color: var(--lv-ink); font-weight: 600; }
.dd-f.is-on i { background: var(--lv-surface); color: var(--lv-ink); }
.dd-group { margin-bottom: 26px; }
.dd-group__h { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.dd-group__ic { width: 38px; height: 38px; flex: none; display: grid; place-items: center; border-radius: 11px; background: var(--lv-wash); color: var(--dd-link); }
.dd-group__h > div { flex: 1; min-width: 0; }
.dd-group__h h2 { font-size: 17px; font-weight: 700; letter-spacing: -.01em; color: var(--lv-ink); }
.dd-group__h p { margin: 2px 0 0 !important; font-size: 13px; color: var(--lv-muted); }
.dd-group__n { flex: none; padding: 4px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; background: var(--lv-sunken); color: var(--lv-ink); }
.dd-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; }
.dd .lv-card.dd-card { display: flex; flex-direction: column; gap: 5px; padding: 14px 16px; text-decoration: none; color: var(--lv-text);
    transition: border-color .15s, transform .15s; }
.dd-card:hover { border-color: color-mix(in srgb, var(--color-primary) 35%, var(--lv-hair)); transform: translateY(-1px); }
.dd-card__top { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 2px; }
.dd-card__no, .dd-card__tp { padding: 2px 8px; border-radius: 6px; font-size: 11.5px; font-weight: 600; background: var(--lv-sunken); color: var(--lv-ink); }
.dd-card__tp { background: var(--lv-wash); color: var(--dd-link); max-width: 70%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dd-card__lines { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; color: var(--lv-muted); }
.dd-card b { font-size: 15.5px; font-weight: 600; color: var(--lv-ink); }
.dd-card small { font-size: 13px; color: var(--lv-muted); }
.dd-card__s { font-size: 13.5px; line-height: 1.5; color: var(--lv-text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.dd-card__st { margin-top: auto; padding-top: 8px; display: flex; flex-direction: column; gap: 6px; font-size: 13px; }
.dd-card__sc { color: var(--lv-text); }
.dd-card__sc b { font-weight: 700; color: var(--dd-no-fg); }
.dd-card__sc.is-mid b { color: var(--lv-ink); }
.dd-card__sc.is-ok b { color: var(--dd-ok-fg); }
.dd-card__new { display: inline-flex; align-items: center; gap: 4px; font-weight: 500; color: var(--dd-link); }
.dd-meter { position: relative; display: block; height: 6px; border-radius: 999px; background: var(--lv-sunken); }
.dd-meter i { display: block; height: 100%; border-radius: inherit; background: var(--dd-no); }
.dd-meter.is-mid i { background: var(--dd-mid); }
.dd-meter.is-ok i { background: var(--dd-ok); }

/* ── Trang luyện ──────────────────────────────────────────────────────────────────────────────────── */
.dd-cols { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 18px; align-items: start; }
.dd-col { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.dd-col--side { position: sticky; top: calc(var(--nav-h, 64px) + 14px); max-height: calc(100vh - var(--nav-h, 64px) - 28px); overflow-y: auto; scrollbar-width: thin; }
.dd-bar { display: flex; flex-direction: column; align-items: stretch; gap: 8px; padding: 8px !important; }
.dd-modes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px; padding: 3px; border-radius: 12px; background: var(--lv-sunken); }
.dd-mode { display: inline-flex; align-items: center; justify-content: center; gap: 7px; height: 38px; padding: 0 10px; min-width: 0; white-space: nowrap; border: 0; border-radius: 9px; cursor: pointer;
    background: transparent; font: inherit; font-size: 13.5px; font-weight: 500; color: var(--lv-text); transition: background .15s, color .15s; }
.dd-mode span { overflow: hidden; text-overflow: ellipsis; }
.dd-mode:hover { color: var(--lv-ink); }
.dd-mode.is-on { background: var(--lv-surface); color: var(--lv-ink); font-weight: 600; box-shadow: 0 1px 3px color-mix(in srgb, var(--lv-ink) 14%, transparent); }
.dd-mode.is-on svg { color: var(--dd-link); }
.dd-vi { align-self: flex-end; display: inline-flex; align-items: center; gap: 8px; padding: 2px 6px 2px 0; font-size: 13.5px; color: var(--lv-text); cursor: pointer; }
.dd-vi input { position: absolute; opacity: 0; pointer-events: none; }
.dd-vi__sw { position: relative; width: 34px; height: 20px; border-radius: 999px; background: var(--lv-hair); transition: background .15s; }
.dd-vi__sw::after { content: ''; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: var(--lv-surface);
    box-shadow: 0 1px 2px color-mix(in srgb, var(--lv-ink) 30%, transparent); transition: transform .15s; }
.dd-vi input:checked + .dd-vi__sw { background: var(--color-primary); }
.dd-vi input:checked + .dd-vi__sw::after { transform: translateX(14px); }
.dd-vi input:focus-visible + .dd-vi__sw { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.dd-hint { margin: 0 !important; padding: 10px 14px; border-radius: 12px; background: var(--lv-wash); font-size: 13.5px; color: var(--lv-text); line-height: 1.55; }

/* Bong bóng chat hai phía (12/10/2026): người a bên trái (ô tên đỏ đô chữ vàng), người b bên phải (ô tên vàng, bong bóng vàng nhạt).
   Câu đang đọc: viền đậm + quầng vàng. */
.dd-lines { margin: 0; padding: 4px 0; list-style: none; display: flex; flex-direction: column; gap: 14px; }
.dd-line { display: flex; align-items: flex-end; gap: 10px; }
.dd-line--b { flex-direction: row-reverse; }
.dd-line__av { flex: 0 0 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
    font-size: 14px; font-weight: 700; background: var(--color-primary); color: var(--color-brand-gold-on-dark, var(--color-brand-gold)); }
.dd-line--b .dd-line__av { background: var(--color-brand-gold); color: var(--color-ink); }
.dd-line__b { min-width: 0; max-width: min(560px, 78%); padding: 10px 14px 11px; border-radius: 18px 18px 18px 6px;
    background: var(--lv-surface); border: 1px solid var(--lv-hair);
    box-shadow: 0 8px 22px -16px color-mix(in srgb, var(--color-ink) 40%, transparent); transition: border-color .15s, box-shadow .15s; }
.dd-line--b .dd-line__b { border-radius: 18px 18px 6px 18px;
    background: color-mix(in srgb, var(--color-brand-gold) 11%, var(--lv-surface));
    border-color: color-mix(in srgb, var(--color-brand-gold) 38%, var(--lv-hair)); }
.dd-line.is-cur .dd-line__b { border-color: var(--lv-ink);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-brand-gold) 45%, transparent), 0 10px 26px -16px color-mix(in srgb, var(--color-ink) 50%, transparent); }
.dd-line.is-mine .dd-line__av { box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-brand-red) 45%, transparent); }
.dd-line.is-mine .dd-line__who { color: var(--color-brand-red-text); }
.dd-line__who { display: block; margin-bottom: 2px; font-size: 12px; font-weight: 600; color: var(--lv-muted); }
.dd-line__de { margin: 0 !important; font-size: 16.5px; font-weight: 600; color: var(--lv-ink); line-height: 1.45; }
.dd-line__vi { margin: 2px 0 0 !important; font-size: 13.5px; color: var(--lv-text); line-height: 1.45; }
.dd--novi .dd-line__vi { display: none; }
.dd-line.is-hide .dd-line__de { color: transparent; text-shadow: 0 0 9px var(--lv-muted); user-select: none; }
.dd-line__res { margin: 6px 0 0 !important; display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; font-size: 13.5px; color: var(--lv-muted); }
.dd-line__res small { flex-basis: 100%; font-size: 12.5px; }
.dd-line__res.is-wait { color: var(--color-brand-red-text); font-weight: 600; }
.dd-pct { font-size: 15px; }
.dd-line__res.is-good .dd-pct { color: var(--dd-ok-fg); }
.dd-line__res.is-mid .dd-pct { color: var(--color-accent-deep); }
.dd-line__res.is-low .dd-pct { color: var(--color-brand-red-text); }
.dd-diff { display: inline-flex; flex-wrap: wrap; gap: 4px; }
.dd-w { padding: 1px 6px; border-radius: 6px; font-weight: 600; }
.dd-w.is-ok { background: var(--dd-ok-soft); color: var(--dd-ok-fg); }
.dd-w.is-mid { background: var(--color-accent-soft, var(--lv-sunken)); color: var(--color-accent-deep); }
.dd-w.is-bad { background: var(--dd-no-soft); color: var(--color-brand-red-text); }
.dd-line__act { display: flex; gap: 6px; align-self: center; }
.dd-ic { display: grid; place-items: center; width: 36px; height: 36px; flex: none; border-radius: 50%; border: 1px solid var(--lv-hair);
    background: var(--lv-surface); color: var(--lv-ink); cursor: pointer; transition: border-color .15s, background .15s; }
.dd-ic:hover { border-color: var(--color-primary); color: var(--dd-link); }
.dd-ic.is-playing { background: var(--lv-wash); border-color: var(--color-primary); }
.dd-mic.is-rec { background: var(--color-danger); border-color: var(--color-danger); color: var(--color-on-dark); animation: dd-pulse 1.2s infinite; }
@keyframes dd-pulse { 50% { box-shadow: 0 0 0 6px color-mix(in srgb, var(--color-danger) 20%, transparent); } }

/* Nút Bắt đầu / Dừng bám đáy màn hình khi cuộn bài dài */
.dd-ctl { position: sticky; bottom: 14px; z-index: 5; display: flex; justify-content: center; gap: 10px; padding: 10px; border-radius: 16px;
    background: color-mix(in srgb, var(--lv-surface) 86%, transparent); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--lv-hair); box-shadow: 0 12px 28px -18px color-mix(in srgb, var(--lv-ink) 50%, transparent); }
.dd-ctl .lv-btn { gap: 8px; }

/* Thẻ điểm cuối bài */
.dd-end { display: flex; flex-direction: column; gap: 14px; }
.dd-end p { margin: 0 !important; color: var(--lv-text); }
.dd-end__top { display: flex; align-items: center; gap: 16px; }
.dd-end__sc { flex: none; display: inline-flex; align-items: baseline; gap: 2px; padding: 10px 16px; border-radius: 16px; font-size: 16px;
    background: var(--dd-no-soft); color: var(--dd-no-fg); }
.dd-end__sc b { font-size: 34px; font-weight: 700; letter-spacing: -.02em; }
.dd-end__sc.is-mid { background: color-mix(in srgb, var(--dd-mid) 22%, var(--lv-surface)); color: var(--lv-ink); }
.dd-end__sc.is-ok { background: var(--dd-ok-soft); color: var(--dd-ok-fg); }
.dd-end__k { font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--lv-muted) !important; }
.dd-end__s { font-size: 16px; font-weight: 600; color: var(--lv-ink) !important; }
.dd-end__b { font-size: 13.5px; }
.dd-end .lv-btn { align-self: flex-start; }
.dd-end__ok { font-weight: 600; color: var(--dd-ok-fg) !important; }

/* Cụm nên học thuộc */
.dd-phr h2 { margin: 0 0 12px !important; font-size: 16px; font-weight: 700; color: var(--lv-ink); }
.dd-phr ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.dd-phr li { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 0 10px; align-items: center; padding-bottom: 10px; border-bottom: 1px solid var(--lv-hair); }
.dd-phr li:last-child { padding-bottom: 0; border-bottom: 0; }
.dd-phr li b { font-weight: 600; color: var(--lv-ink); }
.dd-phr li span { grid-column: 2; font-size: 13px; color: var(--lv-muted); }
.dd-phr .dd-ic { grid-row: span 2; }
.dd-phr .dd-save { grid-column: 3; grid-row: 1 / span 2; width: 32px; height: 32px; }   /* lưu cụm vào bộ từ (vocab-save.js) */

/* Bài trước / Bài tiếp */
.dd-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 22px; }
.dd .lv-card.dd-pager__a { display: flex; align-items: center; gap: 12px; padding: 14px 16px; text-decoration: none; color: var(--lv-muted); transition: border-color .15s; }
.dd-pager__a:hover { border-color: color-mix(in srgb, var(--color-primary) 35%, var(--lv-hair)); }
.dd-pager__a span { display: flex; flex-direction: column; min-width: 0; }
.dd-pager__a small { font-size: 12px; color: var(--lv-muted); }
.dd-pager__a b { font-size: 14.5px; font-weight: 600; color: var(--lv-ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dd-pager__a--next { grid-column: 2; justify-content: flex-end; text-align: right; }

@media (max-width: 1080px) {
  .dd-cols { grid-template-columns: 1fr; }
  .dd-col--side { position: static; max-height: none; overflow: visible; }
}
@media (max-width: 720px) {
  .dd-body { margin-top: -64px; }
  .dd-progress { width: 100%; }
  .dd-mode { padding: 0 10px; font-size: 13px; }
}
@media (max-width: 560px) {
  .dd .lv-card { padding: 16px; }
  .dd-line { gap: 8px; }
  .dd-line__av { flex-basis: 30px; height: 30px; font-size: 12.5px; }
  .dd-line__b { max-width: 82%; }
  .dd-line__act { flex-direction: column; }
  .dd-ic { width: 32px; height: 32px; }
  .dd-modes { grid-template-columns: 1fr 1fr; }
  .dd-filter { flex-direction: column; align-items: stretch; }
  .dd-topic select { max-width: none; flex: 1; }
  .dd-pager { grid-template-columns: 1fr; }
  .dd-pager__a--next { grid-column: 1; }
}