/* Chữa bài Writing (assets/mark.js) – dùng chung Mind Study, trang Kiểm tra đầu vào và trang quản trị */
.nm,.nm-pop{--nm-ink:#1a2333;--nm-mut:#5f6b7a;--nm-line:#dfe5ee;--nm-bg:#fff;--nm-soft:#f4f7fb;--nm-navy:#003d82;--nm-or:#fb8f2c}
.nm{font-size:15px;color:var(--nm-ink)}
.nm *{box-sizing:border-box}
.nm-bar{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;margin-bottom:8px}
.nm-bar b{color:var(--nm-navy);font-size:16px}
.nm-hint{color:var(--nm-mut);font-size:13px;font-weight:400}
.nm-legend{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 10px}
.nm-chip{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;padding:3px 9px;border-radius:99px;background:var(--nm-soft);color:var(--nm-ink);border:1px solid var(--nm-line)}
.nm-chip i{width:9px;height:9px;border-radius:50%;background:var(--c)}
.nm-chip.zero{opacity:.55}
.nm-chip b{color:var(--c)}
.nm-essay{white-space:pre-wrap;word-wrap:break-word;font-family:"Source Serif 4",Georgia,"Times New Roman",serif;font-size:17px;line-height:2.05;background:var(--nm-bg);border:1px solid var(--nm-line);border-radius:12px;padding:16px 18px;outline:none}
.nm-edit .nm-essay{cursor:text;user-select:text;-webkit-user-select:text}
.nm-m{border-bottom:2px solid var(--c);border-radius:2px;cursor:pointer;padding:0 1px}
.nm-m.ai{border-bottom-style:dashed}
.nm-m.cur{background:color-mix(in srgb,var(--c) 14%,transparent)}
.nm-m del{color:#c62828;text-decoration:line-through;text-decoration-thickness:1.5px;background:#fdecea}
.nm-m ins{color:#1b7d36;text-decoration:none;background:#e6f6ea;font-weight:600;padding:0 2px;margin-left:2px;border-radius:3px}
.nm-hl{background:color-mix(in srgb,var(--c) 16%,transparent)}
.nm-n{display:inline-block;min-width:17px;height:17px;padding:0 4px;border-radius:9px;color:#fff;font:700 10.5px/17px system-ui,-apple-system,"Segoe UI",sans-serif;text-align:center;vertical-align:super;margin-left:2px}
.nm-side{margin-top:10px}
.nm-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.nm-list li{display:flex;gap:10px;align-items:flex-start;padding:8px 10px;border:1px solid var(--nm-line);border-radius:10px;background:var(--nm-bg)}
.nm-list li[data-mi]{cursor:pointer}
.nm-list li[data-mi]:hover{border-color:var(--nm-navy)}
.nm-list li.blink{box-shadow:0 0 0 3px rgba(251,143,44,.45)}
.nm-list .nm-n{vertical-align:baseline;margin:2px 0 0}
.nm-type{font-weight:700;font-size:12.5px}
.nm-aitag{font-size:11px;background:#fff2de;color:#9a4f00;border-radius:6px;padding:1px 6px}
.nm-chg{margin-top:2px}
.nm-chg del{color:#c62828;background:#fdecea}
.nm-chg ins{color:#1b7d36;background:#e6f6ea;text-decoration:none;font-weight:600}
.nm-chg q{quotes:"“" "”";font-style:italic}
.nm-why{color:var(--nm-mut);font-size:14px;margin-top:2px}
.nm-empty{color:var(--nm-mut);font-size:14px;margin:4px 0}
.nm-grade{margin-top:14px;display:grid;gap:12px}
.nm-crit-ed{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;align-items:end}
.nm-crit-ed label{display:grid;gap:4px;font-size:13px;font-weight:600;color:var(--nm-ink)}
.nm-crit-ed select,.nm-pop input,.nm-pop textarea,.nm-notel textarea{width:100%;font:inherit;font-size:15px;border:1px solid #c9d3e0;border-radius:9px;padding:8px 10px;background:#fff;color:var(--nm-ink)}
.nm-bandout{font-size:15px;padding:8px 12px;border-radius:10px;background:#fff4e8;color:#7a3c00}
.nm-bandout b{font-size:20px;color:var(--nm-or)}
.nm-notel{display:grid;gap:4px;font-size:13px;font-weight:600}
.nm-btn{min-height:36px;padding:0 14px;border-radius:9px;border:1px solid var(--nm-navy);background:var(--nm-navy);color:#fff;font-weight:700;font-size:14px;cursor:pointer}
.nm-btn.ghost{background:#fff;color:var(--nm-navy)}
.nm-btn.danger{background:#fff;color:#c62828;border-color:#e6b4b4}
.nm-pop{position:fixed;z-index:100000;background:#fff;border:1px solid #c9d3e0;border-radius:14px;box-shadow:0 14px 40px rgba(0,30,70,.22);padding:12px 14px;display:grid;gap:9px;font:14px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif;color:#1a2333}
.nm-pop-h{display:flex;justify-content:space-between;align-items:center}
.nm-pop-h b{color:#003d82;font-size:15px}
.nm-pop-h button{border:0;background:none;font-size:22px;line-height:1;cursor:pointer;color:#5f6b7a}
.nm-pop label{display:grid;gap:4px;font-weight:600;font-size:13px}
.nm-orig{margin:0;color:#5f6b7a}
.nm-orig q{color:#1a2333;font-style:italic}
.nm-types{display:flex;flex-wrap:wrap;gap:5px}
.nm-tbtn{border:1.5px solid var(--c);color:var(--c);background:#fff;border-radius:99px;padding:3px 10px;font-weight:700;font-size:12.5px;cursor:pointer}
.nm-tbtn.on{background:var(--c);color:#fff}
.nm-pop-f{display:flex;gap:8px;align-items:center}
.nm-pop-f span{flex:1}
.nm-view .nm-essay{cursor:default}
.nm-det{margin-top:10px}
.nm-det summary{cursor:pointer;font-weight:700;color:var(--nm-navy);margin-bottom:8px}
.nm-crit{border-collapse:collapse;margin-top:12px;min-width:280px;font-size:14.5px}
.nm-crit td{border:1px solid var(--nm-line);padding:6px 10px}
.nm-crit td:last-child{text-align:center;width:70px}
.nm-crit .nm-tot td{background:#fff4e8;font-weight:700}
.nm-note{margin-top:12px;background:var(--nm-soft);border-left:4px solid var(--nm-or);border-radius:8px;padding:10px 14px}
.nm-note b{color:var(--nm-navy)}
.nm-print{display:inline-flex;align-items:center;gap:6px}
@media (max-width:600px){.nm-essay{font-size:16px;padding:12px}.nm-crit-ed{grid-template-columns:1fr 1fr}}
@media print{.nm-essay{border:0;padding:0;font-size:13pt;line-height:1.9}.nm-list li{break-inside:avoid}.nm-det summary{color:#003d82}}