/* UTIL-023 Đọc số thành chữ — bổ sung cho bộ UI utilities.css. Kế thừa font Arial của trang; không ghi đè font icon. */
.ntw-number input[type=text]{min-height:58px;font-size:26px;font-weight:700;letter-spacing:.01em;font-variant-numeric:tabular-nums}
.ntw-number input[type=text]::placeholder{font-size:18px;font-weight:400;color:#8592b0;opacity:1}
/* Ô số + nút "Đổi dấu" (bàn phím số trên iPhone không có dấu trừ). Lỗi do U.fieldError chèn ngay sau ô được xếp xuống hàng 2. */
.ntw-entry{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:start}
.ntw-entry>input{grid-row:1;grid-column:1;min-width:0}
.ntw-entry>.ntw-sign{grid-row:1;grid-column:2;min-height:58px;padding:8px 14px;white-space:nowrap}
.ntw-entry>.sou-field-error{grid-row:2;grid-column:1/-1;margin-top:0}
.ntw-form .sou-presets button{min-height:44px}
.ntw-side{display:flex;flex-direction:column;min-width:0}
.ntw-side .sou-status{margin-top:0}
.ntw-result{display:flex;flex-direction:column;gap:12px}
.ntw-result h2{margin:0}
.ntw-words{margin:0;font-size:22px;font-weight:700;color:var(--sou-ink);line-height:1.45;overflow-wrap:anywhere}
.ntw-words.is-empty{color:var(--sou-muted);font-weight:400;font-size:17px}
.ntw-meta{display:grid;gap:6px;margin:0;font-size:15px}
.ntw-meta div{display:flex;flex-wrap:wrap;gap:2px 10px}
.ntw-meta dt{font-weight:700;color:var(--sou-ink)}
.ntw-meta dd{margin:0;min-width:0;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.ntw-result .sou-presets{margin:0}
.ntw-result .sou-presets button{min-height:44px}
.ntw-result .sou-toolbar{margin-top:0}
.ntw-result .sou-toolbar .sou-button{min-height:44px}
.ntw-rechoose{align-self:flex-start;text-align:left}
.ntw-more{margin:4px 0 14px;padding:0 14px;border:1px solid var(--sou-line);border-radius:12px;background:#fff}
.ntw-more summary{display:flex;align-items:center;gap:10px;min-height:44px;padding:11px 0;cursor:pointer;font-weight:700;color:var(--sou-ink);list-style:none}
.ntw-more summary::-webkit-details-marker{display:none}
.ntw-more summary::before{content:"";flex:none;width:0;height:0;border-style:solid;border-width:6px 0 6px 8px;border-color:transparent transparent transparent var(--sou-primary);transition:transform .15s}
.ntw-more[open] summary::before{transform:rotate(90deg)}
.ntw-more summary:focus-visible{outline:2px solid #3869ed;outline-offset:2px}
.ntw-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:4px 16px}
.ntw-grid fieldset{min-width:0;margin:0 0 6px;padding:0;border:0}
.ntw-grid legend{padding:0;font-weight:700;color:var(--sou-ink);font-size:15px}
.ntw-more .sou-check{padding:6px 0}
.ntw-zero{margin-bottom:8px}
.ntw-ambiguous{margin:0 0 12px;padding:12px 14px;border:1px solid #f0d39a;border-radius:12px;background:var(--sou-warn-bg)}
.ntw-ambiguous legend{padding:0 4px;font-weight:700;color:var(--sou-ink)}
.ntw-ambiguous .sou-check span{overflow-wrap:anywhere}
.ntw-custom-note{margin:-6px 0 10px}
.ntw-disclaimer{margin-top:12px}
@media(max-width:600px){.ntw-number input[type=text]{font-size:22px}.ntw-words{font-size:20px}}
@media(max-width:400px){.ntw-entry{gap:6px}.ntw-entry>.ntw-sign{padding:8px 10px}.ntw-number input[type=text]::placeholder{font-size:16px}}