/* ni.css — Nota Interaktif SistemGuru.My (katalog + pemain). Standard: _rujukan/STANDARD-NOTA-INTERAKTIF.md
   Asas: kedai/kedai.css + inovasi/inovasi.css (header 62px, sidebar/nav bawah, token warna). Tiada emoji. */
html,*{-webkit-tap-highlight-color:transparent}
html.embed .kd-kepala, html.embed .kd-langkau, html.embed .sg-sisi, html.embed .sg-nav-bawah, html.embed .kd-serbuk { display: none !important; }
html.embed body { zoom: 1 !important; padding-top: 0 !important; }
html.embed body.sg-ada-sisi main, html.embed body.sg-ada-sisi .iv-utama { margin-left: 0 !important; }
html.embed body.sg-ada-nav { padding-bottom: 12px !important; }

/* ---- Hero nota ---- */
.ni-hero { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--kad-pad); margin: var(--pad-atas) 0 var(--gap); display: grid; gap: var(--gap-t); }
.ni-hero h1 { margin: 0; font-size: clamp(22px, 3.2vw, 30px); font-weight: 800; line-height: 1.25; }
.ni-hero p { margin: 0; color: var(--text-muted); }
.ni-cip { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; padding: 0; margin: 0; }
.ni-cip li { font-size: .82em; font-weight: 700; padding: 3px 10px; border-radius: var(--radius-full); background: var(--primary-bg); color: var(--primary-text); }
.ni-maju { display: grid; gap: 6px; }
.ni-maju-bar { height: 10px; border-radius: var(--radius-full); background: var(--card-2); border: 1px solid var(--border); overflow: hidden; }
.ni-maju-bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, #10b981, #047857); transition: width .4s; }
.ni-maju small { color: var(--text-muted); font-weight: 600; }
.ni-tindak { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.ni-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; cursor: pointer; font: 700 1em Inter, system-ui, sans-serif; color: #fff; background: var(--primary-dark); padding: 11px 20px; border-radius: var(--radius-sm); text-decoration: none; min-height: 44px; }
.ni-btn:hover { background: var(--primary); }
.ni-btn:disabled { opacity: .5; cursor: not-allowed; }
.ni-btn svg { width: 20px; height: 20px; fill: currentColor; }
.ni-btn-garis { background: var(--card); color: var(--text); border: 1.5px solid var(--border); }
.ni-btn-garis:hover { background: var(--card); border-color: var(--primary); color: var(--primary-text); }
.ni-sijil-nota { display: flex; gap: 8px; align-items: center; font-size: .9em; color: var(--text-muted); }
.ni-sijil-nota svg { width: 18px; height: 18px; fill: var(--accent, #F59E0B); flex-shrink: 0; }

/* ---- Senarai unit ---- */
.ni-tajuk-blok { margin: 0 0 var(--gap); }
.ni-tajuk-blok > h2 { margin: 0 0 var(--gap-t); padding: 0 var(--inset); font-size: 1.22em; font-weight: 800; }
.ni-tajuk-blok > h2 small { display: block; font-size: .7em; font-weight: 700; color: var(--text-light); letter-spacing: .04em; text-transform: uppercase; }
.ni-unit-grid { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--gap-t); grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.ni-unit { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); display: flex; flex-direction: column; overflow: hidden; }
.ni-unit.siap { border-color: var(--primary-bd); }
.ni-unit-buka { all: unset; box-sizing: border-box; cursor: pointer; display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 12px var(--kad-pad); }
.ni-unit-buka:focus-visible { outline: 3px solid var(--primary-bd); outline-offset: -3px; }
.ni-unit-buka:hover { background: var(--card-2); }
.ni-unit-kod { width: 44px; height: 44px; border-radius: var(--radius-md); display: grid; place-items: center; font-weight: 800; font-size: .82em; color: #fff; background: linear-gradient(135deg, #10b981, #047857); text-align: center; line-height: 1.05; padding: 2px; overflow: hidden; word-break: break-all; }
.ni-unit.siap .ni-unit-kod { background: linear-gradient(135deg, #f59e0b, #b45309); }
.ni-unit-t { font-weight: 700; line-height: 1.3; }
.ni-unit-t small { display: block; font-weight: 600; color: var(--text-muted); font-size: .82em; margin-top: 2px; }
.ni-unit-st { font-size: .78em; font-weight: 800; padding: 3px 9px; border-radius: var(--radius-full); background: var(--card-2); color: var(--text-muted); white-space: nowrap; }
.ni-unit.siap .ni-unit-st { background: var(--primary-bg); color: var(--primary-text); }
.ni-unit details { border-top: 1px solid var(--border); padding: 0 var(--kad-pad); }
.ni-unit summary { cursor: pointer; padding: 9px 0; font-size: .86em; font-weight: 700; color: var(--text-muted); }
.ni-unit details ul { margin: 0 0 10px; padding: 0; list-style: none; display: grid; gap: 6px; font-size: .88em; }
.ni-unit details li b { color: var(--primary-text); margin-right: 6px; }

/* ---- Sijil ---- */
.ni-sijil { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--kad-pad); margin: 0 0 var(--gap); display: grid; gap: var(--gap-t); }
.ni-sijil h2 { margin: 0; font-size: 1.22em; }
.ni-sijil label { font-weight: 700; font-size: .92em; }
.ni-sijil input[type=text] { width: 100%; box-sizing: border-box; font: 500 16px Inter, system-ui, sans-serif; padding: 11px 12px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: var(--card); color: var(--text); }
.ni-sijil canvas { width: 100%; height: auto; border-radius: var(--radius-md); border: 1px solid var(--border); box-shadow: var(--shadow-sm, 0 1px 4px rgba(0,0,0,.06)); }
.ni-sijil-kunci { display: flex; gap: 10px; align-items: center; color: var(--text-muted); }
.ni-sijil-kunci svg { width: 28px; height: 28px; fill: var(--text-light); flex-shrink: 0; }

/* ---- Pemain ---- */
.ni-pemain[hidden], #ni-senarai[hidden], .ni-kat-kad[hidden] { display: none !important; }
.ni-pemain { grid-template-columns: minmax(0, 1fr);  display: grid; gap: var(--gap-t); margin: var(--pad-atas) 0 var(--gap); }
.ni-p-bar { display: flex; gap: 10px; align-items: center; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 8px 10px; }
.ni-kembali { all: unset; cursor: pointer; display: inline-flex; align-items: center; gap: 4px; font-weight: 700; color: var(--primary-text); padding: 6px 8px; border-radius: var(--radius-sm); white-space: nowrap; }
.ni-kembali:hover { background: var(--card-2); }
.ni-kembali svg { width: 20px; height: 20px; fill: currentColor; }
.ni-p-t { min-width: 0; flex: 1; }
.ni-p-t b { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ni-p-t span { font-size: .8em; color: var(--text-muted); font-weight: 600; }
.ni-langkah { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 4px; }
.ni-langkah button { all: unset; box-sizing: border-box; cursor: pointer; width: 100%; text-align: center; padding: 8px 2px 7px; border-radius: var(--radius-sm); font-weight: 700; font-size: .82em; color: var(--text-muted); background: var(--card); border: 1px solid var(--border); display: grid; gap: 2px; justify-items: center; }
.ni-langkah button svg { width: 20px; height: 20px; fill: currentColor; }
.ni-langkah button[aria-current="step"] { color: #fff; background: var(--primary-dark); border-color: var(--primary-dark); }
.ni-langkah button.siap:not([aria-current="step"]) { color: var(--primary-text); border-color: var(--primary-bd); background: var(--primary-bg); }
.ni-langkah button:disabled { opacity: .45; cursor: not-allowed; }
.ni-p-isi { display: grid; gap: var(--gap-t); }
.ni-p-pengenalan { margin: 0; padding: 12px var(--kad-pad); border-radius: var(--radius); background: var(--primary-bg); border: 1px solid var(--primary-bd); font-weight: 600; }
.ni-p-kaki { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; position: sticky; bottom: calc(68px + 12px); padding: 8px 0; z-index: 3; }
@media (min-width: 900px) { .ni-p-kaki { bottom: 0; } }
html.embed .ni-p-kaki { bottom: 0; }
.ni-p-kaki .ni-btn { box-shadow: 0 6px 18px rgba(4,120,87,.28); }

/* Blok nota */
.ni-blok { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--kad-pad); }
.ni-blok > h3 { margin: 0 0 8px; font-size: 1.05em; font-weight: 800; display: flex; gap: 8px; align-items: center; }
.ni-blok > h3 .ni-jenis { font-size: .68em; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--primary-text); background: var(--primary-bg); padding: 2px 8px; border-radius: var(--radius-full); }
.ni-blok p { margin: 0 0 6px; line-height: 1.6; }
.ni-blok ul.ni-poin { margin: 0; padding-left: 20px; display: grid; gap: 4px; line-height: 1.55; }
.ni-sp-tag { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 4px; }
.ni-sp-tag span { font-size: .74em; font-weight: 700; color: var(--text-light); border: 1px solid var(--border); border-radius: var(--radius-full); padding: 1px 8px; }
.ni-jadual-bungkus { overflow-x: auto; }
.ni-jadual { border-collapse: collapse; width: 100%; font-size: .92em; }
.ni-jadual th, .ni-jadual td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; vertical-align: top; }
.ni-jadual th { background: var(--primary-bg); color: var(--primary-text); font-weight: 800; }
.ni-garis { list-style: none; margin: 0; padding: 0 0 0 18px; border-left: 3px solid var(--primary-bd); display: grid; gap: 10px; }
.ni-garis li { position: relative; }
.ni-garis li::before { content: ""; position: absolute; left: -26px; top: 4px; width: 13px; height: 13px; border-radius: 50%; background: var(--primary); border: 3px solid var(--card); box-shadow: 0 0 0 2px var(--primary-bd); }
.ni-garis b { display: block; color: var(--primary-text); }
/* i-Think */
.ni-alir { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; align-items: stretch; counter-reset: a; }
.ni-alir li { counter-increment: a; flex: 1 1 160px; position: relative; padding: 10px 12px 10px 40px; border-radius: var(--radius-md); background: var(--card-2); border: 1.5px solid var(--primary-bd); }
.ni-alir li::before { content: counter(a); position: absolute; left: 10px; top: 10px; width: 22px; height: 22px; border-radius: 50%; background: var(--primary-dark); color: #fff; font-weight: 800; font-size: .8em; display: grid; place-items: center; }
.ni-pa { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr) minmax(0, 1fr); gap: 10px; align-items: center; }
@media (max-width: 640px) { .ni-pa { grid-template-columns: 1fr; } }
.ni-pa-lajur { display: grid; gap: 6px; }
.ni-pa-lajur > b { font-size: .74em; letter-spacing: .06em; text-transform: uppercase; color: var(--text-light); }
.ni-pa-lajur span { display: block; padding: 8px 10px; border-radius: var(--radius-sm); background: var(--card-2); border: 1px solid var(--border); font-size: .92em; }
.ni-pa-pusat { padding: 14px; border-radius: var(--radius-md); background: var(--primary-dark); color: #fff; font-weight: 800; text-align: center; }
.ni-bb { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr); gap: 10px; }
@media (max-width: 640px) { .ni-bb { grid-template-columns: 1fr; } }
.ni-bb-l { display: grid; gap: 6px; align-content: start; }
.ni-bb-l > b { text-align: center; padding: 8px; border-radius: var(--radius-full); background: var(--primary-dark); color: #fff; }
.ni-bb-l.sama > b { background: var(--accent, #F59E0B); color: #3b2400; }
.ni-bb-l span { padding: 7px 10px; border-radius: var(--radius-full); border: 1.5px solid var(--border); background: var(--card-2); font-size: .9em; text-align: center; }
.ni-pokok-akar { text-align: center; font-weight: 800; padding: 10px; border-radius: var(--radius-md); background: var(--primary-dark); color: #fff; margin-bottom: 10px; }
.ni-pokok { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.ni-pokok > div { border-top: 3px solid var(--primary); background: var(--card-2); border-radius: var(--radius-sm); padding: 8px 10px; }
.ni-pokok > div > b { display: block; margin-bottom: 4px; }
.ni-pokok ul { margin: 0; padding-left: 18px; font-size: .92em; display: grid; gap: 3px; }
.ni-buih { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; align-items: center; }
.ni-buih-pusat { flex-basis: 100%; text-align: center; }
.ni-buih-pusat b { display: inline-block; padding: 14px 22px; border-radius: 999px; background: var(--primary-dark); color: #fff; }
.ni-buih span { padding: 8px 14px; border-radius: 999px; border: 1.5px solid var(--primary-bd); background: var(--card-2); font-size: .92em; }
.ni-istilah { display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); margin: 0; }
.ni-istilah div { padding: 8px 10px; border-radius: var(--radius-sm); background: var(--card-2); border: 1px solid var(--border); }
.ni-istilah dt { font-weight: 800; color: var(--primary-text); }
.ni-istilah dd { margin: 2px 0 0; font-size: .92em; }
.ni-sumber blockquote { margin: 0 0 8px; padding: 10px 14px; border-left: 4px solid var(--accent, #F59E0B); background: var(--card-2); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-style: italic; }
.ni-sumber cite { display: block; font-size: .85em; color: var(--text-muted); margin-bottom: 8px; }
.ni-tahukah { background: linear-gradient(135deg, rgba(245,158,11,.12), rgba(245,158,11,.04)); border-color: rgba(245,158,11,.45); }
.ni-lipat > summary { cursor: pointer; font-weight: 700; color: var(--primary-text); padding: 4px 0; }

/* Ingat */
.ni-mnemo { display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.ni-mnemo div { padding: 10px 12px; border-radius: var(--radius-md); background: var(--card); border: 1.5px dashed var(--primary-bd); }
.ni-mnemo b { display: block; font-size: 1.35em; letter-spacing: .12em; color: var(--primary-text); }
.ni-kad-dek { display: grid; gap: 10px; justify-items: center; }
.ni-kad { all: unset; box-sizing: border-box; cursor: pointer; width: 100%; min-height: 200px; perspective: 1000px; display: block; }
.ni-kad-dalam { position: relative; width: 100%; min-height: 200px; transition: transform .45s; transform-style: preserve-3d; }
.ni-kad.balik .ni-kad-dalam { transform: rotateY(180deg); }
.ni-kad-muka { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; display: grid; place-items: center; text-align: center; padding: 18px; border-radius: var(--radius-lg); font-size: 1.12em; font-weight: 700; line-height: 1.45; }
.ni-kad-depan { background: linear-gradient(135deg, #047857, #064E3B); color: #fff; }
.ni-kad-belakang { background: var(--card); border: 2px solid var(--primary-bd); color: var(--text); transform: rotateY(180deg); font-weight: 600; }
.ni-kad-muka small { position: absolute; bottom: 10px; left: 0; right: 0; font-size: .7em; opacity: .75; font-weight: 600; }
@media (prefers-reduced-motion: reduce) { .ni-kad-dalam { transition: none; } }
.ni-kad-baki { font-size: .88em; color: var(--text-muted); font-weight: 700; }

/* Soalan */
.ni-soalan { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--kad-pad); display: grid; gap: 10px; }
.ni-soalan-meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: .78em; font-weight: 800; color: var(--text-muted); }
.ni-aras { padding: 2px 9px; border-radius: var(--radius-full); color: #fff; letter-spacing: .03em; }
.ni-aras-ingat { background: #64748b; } .ni-aras-faham { background: #0284c7; } .ni-aras-aplikasi { background: #059669; }
.ni-aras-analisis { background: #7c3aed; } .ni-aras-nilai { background: #c2410c; } .ni-aras-cipta { background: #be185d; } .ni-aras-hayati { background: #b45309; }
.ni-soalan-s { font-size: 1.08em; font-weight: 700; line-height: 1.5; margin: 0; }
.ni-pilihan { display: grid; gap: 8px; }
.ni-pil { all: unset; box-sizing: border-box; cursor: pointer; display: flex; gap: 10px; align-items: flex-start; padding: 11px 12px; border-radius: var(--radius-sm); border: 1.5px solid var(--border); background: var(--card); line-height: 1.45; }
.ni-pil:hover:not(:disabled) { border-color: var(--primary); }
.ni-pil i { font-style: normal; font-weight: 800; color: var(--primary-text); min-width: 18px; }
.ni-pil.betul { border-color: #059669; background: rgba(5,150,105,.1); }
.ni-pil.salah { border-color: #dc2626; background: rgba(220,38,38,.08); }
.ni-pil:disabled { cursor: default; }
.ni-pil[aria-pressed="true"] { border-color: var(--primary-dark); background: var(--primary-bg); }
.ni-isi-input, .ni-soalan select, .ni-soalan textarea { width: 100%; box-sizing: border-box; font: 500 16px Inter, system-ui, sans-serif; padding: 10px 12px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: var(--card); color: var(--text); }
.ni-soalan textarea { min-height: 110px; resize: vertical; }
.ni-padan { display: grid; gap: 8px; }
.ni-padan-baris { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 8px; align-items: center; padding: 8px; border-radius: var(--radius-sm); background: var(--card-2); }
@media (max-width: 560px) { .ni-padan-baris { grid-template-columns: 1fr; } }
.ni-padan-baris.betul { outline: 2px solid #059669; } .ni-padan-baris.salah { outline: 2px solid #dc2626; }
.ni-susun { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; counter-reset: s; }
.ni-susun li { counter-increment: s; display: grid; grid-template-columns: 28px minmax(0, 1fr) auto; gap: 8px; align-items: center; padding: 8px 10px; border-radius: var(--radius-sm); border: 1.5px solid var(--border); background: var(--card); }
.ni-susun li::before { content: counter(s); font-weight: 800; color: var(--primary-text); text-align: center; }
.ni-susun li.betul { border-color: #059669; } .ni-susun li.salah { border-color: #dc2626; }
.ni-susun-btn { display: flex; gap: 4px; }
.ni-susun-btn button { all: unset; cursor: pointer; width: 34px; height: 34px; border-radius: var(--radius-sm); display: grid; place-items: center; background: var(--card-2); border: 1px solid var(--border); }
.ni-susun-btn button:disabled { opacity: .35; cursor: default; }
.ni-susun-btn svg { width: 20px; height: 20px; fill: var(--text); }
.ni-kat { display: grid; gap: 8px; }
.ni-kat-baris { display: grid; gap: 6px; padding: 8px; border-radius: var(--radius-sm); background: var(--card-2); }
.ni-kat-baris > span { font-weight: 600; }
.ni-kat-pil { display: flex; flex-wrap: wrap; gap: 6px; }
.ni-kat-pil button { all: unset; cursor: pointer; padding: 6px 12px; border-radius: var(--radius-full); border: 1.5px solid var(--border); background: var(--card); font-size: .88em; font-weight: 700; }
.ni-kat-pil button[aria-pressed="true"] { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.ni-kat-baris.betul { outline: 2px solid #059669; } .ni-kat-baris.salah { outline: 2px solid #dc2626; }
.ni-maklum { padding: 10px 12px; border-radius: var(--radius-sm); display: grid; gap: 4px; line-height: 1.5; }
.ni-maklum.betul { background: rgba(5,150,105,.12); border: 1px solid rgba(5,150,105,.4); }
.ni-maklum.salah { background: rgba(220,38,38,.08); border: 1px solid rgba(220,38,38,.35); }
.ni-maklum.contoh { background: var(--card-2); border: 1px solid var(--border); }
.ni-maklum b { font-weight: 800; }
.ni-kiraan { display: flex; justify-content: space-between; gap: 8px; font-size: .86em; font-weight: 700; color: var(--text-muted); }

/* TP */
.ni-tp { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.ni-tp li { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 10px; align-items: start; padding: 8px 10px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--card); opacity: .6; }
.ni-tp li.capai { opacity: 1; border-color: var(--primary-bd); background: var(--primary-bg); }
.ni-tp li.semasa { outline: 2px solid var(--primary-dark); }
.ni-tp li b { font-weight: 800; color: var(--primary-text); }
.ni-aras-bar { display: grid; gap: 6px; }
.ni-aras-bar div { display: grid; grid-template-columns: 90px minmax(0, 1fr) 44px; gap: 8px; align-items: center; font-size: .88em; font-weight: 700; }
.ni-aras-bar i { height: 10px; border-radius: 999px; background: var(--card-2); border: 1px solid var(--border); overflow: hidden; display: block; }
.ni-aras-bar i b { display: block; height: 100%; background: var(--primary); }
.ni-tamat { text-align: center; padding: 18px var(--kad-pad); }
.ni-tamat svg { width: 56px; height: 56px; fill: var(--accent, #F59E0B); }
.ni-tamat h2 { margin: 6px 0; }

/* Katalog /nota-interaktif/ */
.ni-katalog { display: grid; gap: var(--gap); grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); margin-top: var(--gap); }
.ni-kat-kad { border-radius: var(--radius-lg); overflow: hidden; background: var(--card); border: 1px solid var(--border); box-shadow: 0 4px 14px rgba(0,0,0,.06); display: flex; flex-direction: column; }
.ni-kat-kad > a.ni-kulit { display: block; aspect-ratio: 1200/630; background: #064E3B; }
.ni-kat-kad img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ni-kat-isi { padding: 12px 14px; display: grid; gap: 6px; flex: 1; align-content: start; }
.ni-kat-isi h2 { margin: 0; font-size: 1.15em; }
.ni-kat-isi p { margin: 0; color: var(--text-muted); font-size: .92em; }
.ni-kat-isi .ni-btn { justify-self: start; margin-top: 4px; }
.ni-penapis { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 4px; padding: 0 var(--inset); }
.ni-penapis button { all: unset; cursor: pointer; padding: 8px 14px; border-radius: var(--radius-full); border: 1.5px solid var(--border); background: var(--card); font-weight: 600; font-size: .92em; }
.ni-penapis button[aria-pressed="true"] { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.ni-std { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.ni-std div { padding: 12px 14px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--border); }
.ni-std b { display: block; } .ni-std p { margin: 4px 0 0; color: var(--text-muted); font-size: .92em; }
.ni-penapis + .ni-penapis { margin-top: 8px; }

/* =====================================================================================================
   N7 WARNA (10 Okt 2026) — _rujukan/STANDARD-NOTA-INTERAKTIF.md N7. Punca nilai subjek: nota-interaktif/_warna.py
   Lapisan: (1) identiti SUBJEK --ni-a*  (2) warna FUNGSI langkah --ni-l*  (3) warna JENIS blok nota  (4) kod warna BAHAGIAN --ni-k*.
   Semua warna teks >= 4.5:1 (WCAG AA). Warna tidak pernah satu-satunya isyarat (ikon/label sentiasa ada).
   ===================================================================================================== */
.ni-hal { --ni-a: #047857; --ni-a-dk: #064E3B; --ni-a-bg: #ECFDF5; --ni-a-bd: #A7F3D0;
  --ni-l1: #1D4ED8; --ni-l2: #B45309; --ni-l3: #047857; --ni-l4: #BE185D; --ni-l5: #6D28D9;
  --ni-k1: #1D4ED8; --ni-k2: #B45309; --ni-k3: #047857; --ni-k4: #BE185D; --ni-k5: #6D28D9; --ni-k6: #0E7490; --ni-on: #fff; }
.ni-hal[data-subjek="sejarah"]            { --ni-a: #B45309; --ni-a-dk: #7C2D12; --ni-a-bg: #FFF7ED; --ni-a-bd: #FED7AA; }
.ni-hal[data-subjek="matematik"]          { --ni-a: #1D4ED8; --ni-a-dk: #1E3A8A; --ni-a-bg: #EFF6FF; --ni-a-bd: #BFDBFE; }
.ni-hal[data-subjek="matematik-tambahan"] { --ni-a: #6D28D9; --ni-a-dk: #3B0764; --ni-a-bg: #F5F3FF; --ni-a-bd: #DDD6FE; }
.ni-hal[data-subjek="pendidikan-islam"]   { --ni-a: #0F766E; --ni-a-dk: #134E4A; --ni-a-bg: #F0FDFA; --ni-a-bd: #99F6E4; }

/* Tema gelap: warna fungsi/bahagian versi cerah (teks atas latar gelap), teks atas blok berwarna = gelap */
:root[data-theme="dark"] .ni-hal {
  --ni-a-bg: rgba(255,255,255,.06); --ni-a-bd: rgba(255,255,255,.18); --ni-on: #0F172A;
  --ni-l1: #93C5FD; --ni-l2: #FCD34D; --ni-l3: #6EE7B7; --ni-l4: #F9A8D4; --ni-l5: #C4B5FD;
  --ni-k1: #93C5FD; --ni-k2: #FCD34D; --ni-k3: #6EE7B7; --ni-k4: #F9A8D4; --ni-k5: #C4B5FD; --ni-k6: #67E8F9; }
:root[data-theme="dark"] .ni-hal[data-subjek="sejarah"] { --ni-a-t: #FDBA74; }
:root[data-theme="dark"] .ni-hal[data-subjek="matematik"] { --ni-a-t: #93C5FD; }
:root[data-theme="dark"] .ni-hal[data-subjek="matematik-tambahan"] { --ni-a-t: #C4B5FD; }
:root[data-theme="dark"] .ni-hal[data-subjek="pendidikan-islam"] { --ni-a-t: #5EEAD4; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .ni-hal {
    --ni-a-bg: rgba(255,255,255,.06); --ni-a-bd: rgba(255,255,255,.18); --ni-on: #0F172A;
    --ni-l1: #93C5FD; --ni-l2: #FCD34D; --ni-l3: #6EE7B7; --ni-l4: #F9A8D4; --ni-l5: #C4B5FD;
    --ni-k1: #93C5FD; --ni-k2: #FCD34D; --ni-k3: #6EE7B7; --ni-k4: #F9A8D4; --ni-k5: #C4B5FD; --ni-k6: #67E8F9; }
  :root:not([data-theme="light"]) .ni-hal[data-subjek="sejarah"] { --ni-a-t: #FDBA74; }
  :root:not([data-theme="light"]) .ni-hal[data-subjek="matematik"] { --ni-a-t: #93C5FD; }
  :root:not([data-theme="light"]) .ni-hal[data-subjek="matematik-tambahan"] { --ni-a-t: #C4B5FD; }
  :root:not([data-theme="light"]) .ni-hal[data-subjek="pendidikan-islam"] { --ni-a-t: #5EEAD4; }
}

/* (1) Identiti subjek: hero, kemajuan, cip, butang utama, kad imbas */
.ni-hal .ni-hero { border-top: 5px solid var(--ni-a); background: linear-gradient(180deg, var(--ni-a-bg), var(--card) 75%); }
.ni-hal .ni-cip li { background: var(--ni-a-bg); color: var(--ni-a-t, var(--ni-a)); border: 1px solid var(--ni-a-bd); }
.ni-hal .ni-maju-bar i { background: linear-gradient(90deg, var(--ni-a), var(--ni-a-dk)); }
.ni-hal .ni-btn:not(.ni-btn-garis) { background: var(--ni-a); color: #fff; }
.ni-hal .ni-btn:not(.ni-btn-garis):hover { background: var(--ni-a-dk); }
.ni-hal .ni-btn-garis:hover { border-color: var(--ni-a); color: var(--ni-a-t, var(--ni-a)); }
.ni-hal .ni-p-kaki .ni-btn:not(.ni-btn-garis) { box-shadow: 0 6px 18px rgba(0,0,0,.18); }
.ni-hal .ni-kad-depan { background: linear-gradient(135deg, var(--ni-a), var(--ni-a-dk)); }
.ni-hal .ni-kad-belakang { border-color: var(--ni-a-bd); }
.ni-hal .ni-kembali { color: var(--ni-a-t, var(--ni-a)); }

/* (4) Kod warna bahagian (tajuk/bidang): setiap blok tajuk satu warna, berpusing 6 warna — chunking & ingatan lokasi */
.ni-hal .ni-tajuk-blok { --ni-c: var(--ni-k1); }   /* section pertama = hero, jadi blok tajuk pertama = nth-of-type(2) */
.ni-hal .ni-tajuk-blok:nth-of-type(6n+3) { --ni-c: var(--ni-k2); }
.ni-hal .ni-tajuk-blok:nth-of-type(6n+4) { --ni-c: var(--ni-k3); }
.ni-hal .ni-tajuk-blok:nth-of-type(6n+5) { --ni-c: var(--ni-k4); }
.ni-hal .ni-tajuk-blok:nth-of-type(6n+6) { --ni-c: var(--ni-k5); }
.ni-hal .ni-tajuk-blok:nth-of-type(6n+7) { --ni-c: var(--ni-k6); }
.ni-hal .ni-tajuk-blok > h2 { border-left: 5px solid var(--ni-c); padding-left: 10px; }
.ni-hal .ni-tajuk-blok .ni-unit-kod { background: var(--ni-c); color: var(--ni-on); }
.ni-hal .ni-tajuk-blok .ni-unit { border-left: 4px solid var(--ni-c); }
.ni-hal .ni-unit.siap .ni-unit-kod { background: linear-gradient(135deg, #F59E0B, #B45309); color: #fff; }
.ni-hal .ni-unit.siap .ni-unit-st { background: #FEF3C7; color: #92400E; }

/* (2) Warna fungsi langkah — SAMA untuk semua subjek: Belajar biru (fokus/faham), Ingat amber (perhatian/ingatan),
   Latih hijau (amalan), Hayati merah jambu (afektif), TP ungu (pencapaian) */
.ni-hal .ni-langkah li:nth-child(1) button { --ni-f: var(--ni-l1); }
.ni-hal .ni-langkah li:nth-child(2) button { --ni-f: var(--ni-l2); }
.ni-hal .ni-langkah li:nth-child(3) button { --ni-f: var(--ni-l3); }
.ni-hal .ni-langkah li:nth-child(4) button { --ni-f: var(--ni-l4); }
.ni-hal .ni-langkah li:nth-child(5) button { --ni-f: var(--ni-l5); }
.ni-hal .ni-langkah button { border-top: 3px solid var(--ni-f); }
.ni-hal .ni-langkah button.siap:not([aria-current="step"]) { color: var(--ni-f); background: color-mix(in srgb, var(--ni-f) 9%, var(--card)); border-color: color-mix(in srgb, var(--ni-f) 35%, var(--border)); border-top-color: var(--ni-f); }
.ni-hal .ni-langkah button[aria-current="step"] { background: var(--ni-f); border-color: var(--ni-f); color: var(--ni-on); }
.ni-hal .ni-p-pengenalan { background: color-mix(in srgb, var(--ni-l1) 8%, var(--card)); border-color: color-mix(in srgb, var(--ni-l1) 30%, var(--border)); border-left: 5px solid var(--ni-l1); }
.ni-hal .ni-mnemo div { border-color: color-mix(in srgb, var(--ni-l2) 45%, transparent); background: color-mix(in srgb, var(--ni-l2) 6%, var(--card)); }
.ni-hal .ni-mnemo b { color: var(--ni-l2); }
.ni-hal .ni-kiraan span:first-child { color: var(--ni-l3); }
.ni-hal .ni-tamat svg { fill: var(--ni-l5); }

/* (3) Warna jenis blok nota — setiap fungsi kognitif warnanya sendiri (jalur kiri + tag) */
.ni-hal .ni-blok { --ni-b: var(--ni-a-t, var(--ni-a)); border-left: 5px solid var(--ni-b); }
.ni-hal .ni-blok > h3 .ni-jenis { background: color-mix(in srgb, var(--ni-b) 12%, var(--card)); color: var(--ni-b); }
.ni-hal .ni-blok[data-j="jadual"]        { --ni-b: #475569; }
.ni-hal .ni-blok[data-j="garis"]         { --ni-b: var(--ni-l2); }
.ni-hal .ni-blok[data-j="alir"]          { --ni-b: var(--ni-k1); }
.ni-hal .ni-blok[data-j="pelbagai-alir"] { --ni-b: #C2410C; }
.ni-hal .ni-blok[data-j="buih-berganda"] { --ni-b: var(--ni-k4); }
.ni-hal .ni-blok[data-j="pokok"]         { --ni-b: var(--ni-k3); }
.ni-hal .ni-blok[data-j="buih"]          { --ni-b: var(--ni-k5); }
.ni-hal .ni-blok[data-j="istilah"]       { --ni-b: var(--ni-k6); }
.ni-hal .ni-blok[data-j="sumber"]        { --ni-b: #92400E; }
.ni-hal .ni-blok[data-j="tahukah"]       { --ni-b: #B45309; }
:root[data-theme="dark"] .ni-hal .ni-blok:is([data-j="jadual"], [data-j="sumber"], [data-j="pelbagai-alir"], [data-j="tahukah"]) { --ni-b: #FDBA74; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .ni-hal .ni-blok:is([data-j="jadual"], [data-j="sumber"], [data-j="pelbagai-alir"], [data-j="tahukah"]) { --ni-b: #FDBA74; } }
.ni-hal .ni-jadual th { background: color-mix(in srgb, var(--ni-b) 12%, var(--card)); color: var(--text); }
.ni-hal .ni-garis { border-left-color: color-mix(in srgb, var(--ni-l2) 40%, transparent); }
.ni-hal .ni-garis li::before { background: var(--ni-l2); box-shadow: 0 0 0 2px color-mix(in srgb, var(--ni-l2) 35%, transparent); }
.ni-hal .ni-garis b { color: var(--ni-l2); }
.ni-hal .ni-alir li { border-color: color-mix(in srgb, var(--ni-k1) 40%, transparent); }
.ni-hal .ni-alir li::before { background: var(--ni-k1); color: var(--ni-on); }
.ni-hal .ni-pa-lajur:first-child span { border-left: 4px solid #C2410C; }
.ni-hal .ni-pa-lajur:last-child span { border-left: 4px solid var(--ni-k6); }
.ni-hal .ni-pa-pusat { background: #C2410C; color: #fff; }
.ni-hal .ni-bb-l:first-child > b { background: var(--ni-k1); color: var(--ni-on); }
.ni-hal .ni-bb-l:last-child > b { background: var(--ni-k4); color: var(--ni-on); }
.ni-hal .ni-bb-l.sama > b { background: #F59E0B; color: #3B2400; }
.ni-hal .ni-pokok-akar { background: var(--ni-k3); color: var(--ni-on); }
.ni-hal .ni-pokok > div:nth-child(6n+1) { border-top-color: var(--ni-k1); }
.ni-hal .ni-pokok > div:nth-child(6n+2) { border-top-color: var(--ni-k2); }
.ni-hal .ni-pokok > div:nth-child(6n+3) { border-top-color: var(--ni-k3); }
.ni-hal .ni-pokok > div:nth-child(6n+4) { border-top-color: var(--ni-k4); }
.ni-hal .ni-pokok > div:nth-child(6n+5) { border-top-color: var(--ni-k5); }
.ni-hal .ni-pokok > div:nth-child(6n+6) { border-top-color: var(--ni-k6); }
.ni-hal .ni-buih-pusat b { background: var(--ni-k5); color: var(--ni-on); }
.ni-hal .ni-buih span { border-color: color-mix(in srgb, var(--ni-k5) 40%, transparent); }
.ni-hal .ni-istilah dt { color: var(--ni-k6); }

/* Katalog: jalur warna subjek pada setiap kad */
.ni-kat-kad[data-warna="sejarah"] { border-top: 5px solid #B45309; }
.ni-kat-kad[data-warna="matematik"] { border-top: 5px solid #1D4ED8; }
.ni-kat-kad[data-warna="matematik-tambahan"] { border-top: 5px solid #6D28D9; }
.ni-kat-kad[data-warna="pendidikan-islam"] { border-top: 5px solid #0F766E; }

/* =====================================================================================================
   N8 GAMIFIKASI (10 Okt 2026) — _rujukan/STANDARD-NOTA-INTERAKTIF.md N8. Logik: ni.js bahagian GAMIFIKASI.
   ===================================================================================================== */
.ni-gam { display: grid; gap: 10px; grid-template-columns: minmax(0, 1.4fr) auto minmax(0, 1fr); align-items: center; padding: 10px 12px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--ni-a-bd, var(--border)); }
@media (max-width: 760px) { .ni-gam { grid-template-columns: 1fr; } }
.ni-gam-tahap { display: flex; gap: 10px; align-items: center; min-width: 0; }
.ni-gam-tahap > div { min-width: 0; flex: 1; }
.ni-gam-tahap b { display: block; font-size: .95em; }
.ni-gam-tahap small, .ni-gam-hari small { color: var(--text-muted); font-weight: 600; font-size: .78em; }
.ni-gam-lvl { width: 44px; height: 44px; flex-shrink: 0; border-radius: 50%; display: grid; place-items: center; font-weight: 900; font-size: 1.15em; color: #3B2400;
  background: radial-gradient(circle at 35% 30%, #FDE68A, #F59E0B 65%, #B45309); box-shadow: 0 3px 0 #92400E; }
.ni-gam-bar { height: 8px; border-radius: 99px; background: var(--card-2); border: 1px solid var(--border); overflow: hidden; margin: 4px 0 2px; }
.ni-gam-bar i { display: block; height: 100%; background: linear-gradient(90deg, #F59E0B, #EA580C); transition: width .5s; }
.ni-gam-bar.hari i { background: linear-gradient(90deg, #10B981, #047857); }
.ni-gam-stat { display: flex; flex-wrap: wrap; gap: 6px; }
.ni-gam-stat > span, .ni-gam-lencana { display: inline-flex; align-items: center; gap: 5px; padding: 6px 10px; border-radius: 99px; background: var(--card-2); border: 1px solid var(--border); font-size: .85em; font-weight: 600; color: var(--text-muted); }
.ni-gam-stat svg, .ni-gam-lencana svg { width: 18px; height: 18px; }
.ni-gam-stat > span:nth-child(1) svg { fill: #EA580C; } .ni-gam-stat > span:nth-child(2) svg { fill: #F59E0B; }
.ni-gam-stat b, .ni-gam-lencana b { color: var(--text); }
.ni-gam-lencana { cursor: pointer; font: inherit; font-size: .85em; font-weight: 600; }
.ni-gam-lencana svg { fill: #8B5CF6; }
.ni-gam-lencana:hover { border-color: #8B5CF6; }
/* Bintang */
.ni-bintang { display: inline-flex; gap: 1px; vertical-align: middle; }
.ni-bt { width: 15px; height: 15px; fill: var(--border); }
.ni-bt.on { fill: #F59E0B; }
.ni-unit-st { display: inline-flex; gap: 4px; align-items: center; }
/* Combo dalam bar pemain */
.ni-combo { flex-shrink: 0; padding: 4px 10px; border-radius: 99px; font-weight: 800; font-size: .8em; color: #fff; background: linear-gradient(135deg, #F97316, #DB2777); animation: ni-denyut .5s; }
.ni-combo[hidden] { display: none; }
@keyframes ni-denyut { 50% { transform: scale(1.15); } }
/* Toast */
.ni-toast-w { position: fixed; z-index: 60; right: 12px; bottom: calc(68px + 24px); display: grid; gap: 6px; justify-items: end; pointer-events: none; }
@media (min-width: 900px) { .ni-toast-w { bottom: 20px; } }
.ni-toast { display: inline-flex; gap: 8px; align-items: center; padding: 8px 14px; border-radius: 99px; font-weight: 800; font-size: .9em; color: #3B2400; background: #FDE68A; box-shadow: 0 6px 18px rgba(0,0,0,.18); animation: ni-masuk .3s ease-out; transition: opacity .4s, transform .4s; }
.ni-toast-lencana { background: linear-gradient(135deg, #8B5CF6, #6D28D9); color: #fff; padding: 10px 16px; }
.ni-toast svg { width: 20px; height: 20px; fill: currentColor; }
.ni-toast.keluar { opacity: 0; transform: translateY(8px); }
@keyframes ni-masuk { from { opacity: 0; transform: translateY(10px) scale(.95); } }
/* Sambutan unit siap */
.ni-sambut { position: fixed; inset: 0; z-index: 70; display: grid; place-items: center; background: rgba(15,23,42,.35); overflow: hidden; transition: opacity .5s; }
.ni-sambut.keluar { opacity: 0; }
.ni-sambut-kad { display: grid; gap: 6px; justify-items: center; text-align: center; padding: 22px 28px; border-radius: var(--radius-lg); background: var(--card); color: var(--text); box-shadow: var(--shadow-lg, 0 8px 32px rgba(0,0,0,.2)); animation: ni-masuk .35s ease-out; max-width: 320px; }
.ni-sambut-kad .ni-bt { width: 42px; height: 42px; }
.ni-sambut-kad b { font-size: 1.3em; }
.ni-sambut-kad span { color: var(--text-muted); }
.ni-konfeti { position: absolute; top: -12px; width: 9px; height: 14px; border-radius: 2px; animation: ni-jatuh 1.8s linear forwards; }
@keyframes ni-jatuh { to { transform: translateY(105vh) rotate(540deg); } }
@media (prefers-reduced-motion: reduce) { .ni-combo, .ni-toast, .ni-sambut-kad { animation: none; } .ni-gam-bar i { transition: none; } }
/* Dialog lencana */
.ni-dlg { border: 0; border-radius: var(--radius-lg); padding: 16px; width: min(560px, calc(100vw - 24px)); background: var(--card); color: var(--text); box-shadow: var(--shadow-lg, 0 8px 32px rgba(0,0,0,.2)); }
.ni-dlg::backdrop { background: rgba(15,23,42,.45); }
.ni-dlg-kepala { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 12px; }
.ni-lencana-grid { display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.ni-lencana { display: grid; gap: 4px; justify-items: center; text-align: center; padding: 12px 8px; border-radius: var(--radius); border: 1px dashed var(--border); opacity: .55; filter: grayscale(1); }
.ni-lencana svg { width: 34px; height: 34px; fill: var(--text-light); }
.ni-lencana b { font-size: .9em; }
.ni-lencana small { font-size: .74em; color: var(--text-muted); }
.ni-lencana.ada { opacity: 1; filter: none; border: 1px solid #DDD6FE; background: linear-gradient(180deg, rgba(139,92,246,.10), transparent); }
.ni-lencana.ada svg { fill: #7C3AED; }
:root[data-theme="dark"] .ni-lencana.ada svg { fill: #C4B5FD; }
/* Profil katalog */
.ni-profil { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0 0 var(--gap-t); padding: 10px 12px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--border); }
.ni-profil[hidden] { display: none; }
.ni-profil > span { display: inline-flex; gap: 6px; align-items: center; font-weight: 600; font-size: .9em; color: var(--text-muted); }
.ni-profil b { color: var(--text); }
.ni-profil svg { width: 18px; height: 18px; }
.ni-kat-maju { display: flex; gap: 6px; align-items: center; font-size: .82em; font-weight: 700; color: var(--text-muted); }
.ni-kat-maju[hidden] { display: none; }
.ni-kat-maju i { flex: 1; height: 6px; border-radius: 99px; background: var(--card-2); overflow: hidden; }
.ni-kat-maju i b { display: block; height: 100%; background: linear-gradient(90deg, #F59E0B, #EA580C); }

/* ===== N9 KAD PENGUASAAN ===== */
section.ni-kad { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--kad-pad); margin: 0 0 var(--gap); display: grid; gap: var(--gap-t); }   /* Kad Penguasaan — BUKAN kad imbas (button.ni-kad-imbas) */
.ni-kad h2 { margin: 0; font-size: 1.22em; }
.ni-kad p { margin: 0; color: var(--text-muted); }
.ni-kad-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr)); gap: 8px; }
.ni-kad-grid li { display: grid; gap: 6px; align-content: space-between; padding: 12px; border-radius: var(--radius-md); border: 1px dashed var(--border); color: var(--text-muted); }
.ni-kad-grid li b { color: var(--text); font-size: .92em; line-height: 1.35; }
.ni-kad-grid li small { font-weight: 600; }
.ni-kad-grid li.ada { border: 1px solid var(--ni-a-bd, var(--border)); border-left: 4px solid var(--ni-a, var(--primary)); background: var(--ni-a-bg, var(--card)); }
.ni-kad-grid li.ada small { color: var(--ni-a-dk, var(--text)); }
.ni-kad-kunci { display: inline-flex; gap: 6px; align-items: center; font-size: .85em; font-weight: 600; }
.ni-kad-kunci svg { width: 16px; height: 16px; fill: currentColor; }
.ni-dlg-kad { width: min(480px, calc(100vw - 16px)); max-height: calc(100vh - 16px); overflow: auto; }
.ni-dlg-kad canvas { width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
.ni-dlg-kad label { font-weight: 700; font-size: .92em; display: block; margin-bottom: 6px; }
.ni-dlg-kad input[type=text] { width: 100%; box-sizing: border-box; font: 500 16px Inter, system-ui, sans-serif; padding: 11px 12px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: var(--card); color: var(--text); }
.ni-dlg-kad .ni-tindak { margin-top: 10px; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .ni-kad-grid li.ada { background: color-mix(in srgb, var(--ni-a) 14%, var(--card)); } :root:not([data-theme="light"]) .ni-kad-grid li.ada small { color: var(--text); } }
:root[data-theme="dark"] .ni-kad-grid li.ada { background: color-mix(in srgb, var(--ni-a) 14%, var(--card)); }
:root[data-theme="dark"] .ni-kad-grid li.ada small { color: var(--text); }

/* ===== N10 SEO: ringkasan statik setiap unit ===== */
.ni-unit .ni-ringkas { font-size: .9em; color: var(--text-muted); }
.ni-ringkas h4 { margin: 10px 0 4px; font-size: .95em; color: var(--text); }
.ni-ringkas p { margin: 0 0 8px; line-height: 1.55; }
.ni-ringkas dl { margin: 0 0 8px; display: grid; gap: 4px; }
.ni-ringkas dt { font-weight: 700; color: var(--text); }
.ni-ringkas dd { margin: 0 0 4px; }
.ni-ringkas ul { list-style: disc !important; padding-left: 18px !important; display: block !important; }
.ni-ringkas ul li { margin-bottom: 3px; }

/* ===== HALAMAN AKAUN: Ranking · Murid anda · Sejarah (2026-10-10) — ni-akaun.js ===== */
.ni-akaun { display: grid; gap: var(--gap); margin-top: var(--gap-t); }
.ni-akaun .ni-penapis { margin: 0; }
.ni-ak-kad { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--kad-pad); display: grid; gap: var(--gap-t); }
.ni-ak-kad h2 { margin: 0; font-size: 1.05em; }
.ni-ak-kad p { margin: 0; }
.ni-ak-hijau { background: linear-gradient(135deg, #047857, #064E3B); color: #fff; border: 0; }
.ni-ak-amber { border-left: 4px solid #D97706; }
.ni-ak-nota { color: var(--text-muted); font-size: .9em; }
.ni-ak-tindak { display: flex; flex-wrap: wrap; gap: 8px; }
.ni-ak-btn2 { display: inline-flex; align-items: center; padding: 10px 16px; border-radius: var(--radius-sm); border: 1.5px solid var(--primary); color: var(--primary-text); font-weight: 700; text-decoration: none; }
.ni-ak-saya { display: flex; align-items: center; gap: 12px; }
.ni-ak-saya big { font-size: 1.9em; font-weight: 800; line-height: 1; }
.ni-ak-saya div { flex: 1; min-width: 0; }
.ni-ak-saya small { display: block; opacity: .85; font-size: .82em; }
.ni-ak-senarai { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.ni-ak-senarai li { display: flex; align-items: center; gap: 10px; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 9px 12px; }
.ni-ak-senarai li[hidden] { display: none; }
.ni-ak-lihat { display: block; margin: 10px auto 0; min-height: 44px; padding: 0 18px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--card-bg, #fff); color: var(--text); font: 700 14px inherit; cursor: pointer; }
.ni-ak-senarai li.saya { border-color: var(--primary); background: var(--primary-bg, #ECFDF5); }
.ni-ak-senarai li:nth-child(-n+3) em { color: #fff; background: #F59E0B; }
.ni-ak-senarai li:nth-child(2) em { background: #94A3B8; } .ni-ak-senarai li:nth-child(3) em { background: #B45309; }
.ni-ak-senarai em { font-style: normal; font-weight: 800; min-width: 28px; height: 28px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: .85em; }
.ni-ak-senarai div { flex: 1; min-width: 0; }
.ni-ak-senarai b { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ni-ak-senarai span { display: block; font-size: .78em; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ni-ak-senarai strong { color: var(--primary-text); white-space: nowrap; }
.ni-ak-stat { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 140px), 1fr)); gap: var(--gap-t); }
.ni-ak-stat > div { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; }
.ni-ak-stat b { display: block; font-size: 1.4em; font-weight: 800; color: var(--primary-text); line-height: 1.2; }
.ni-ak-stat span { font-size: .78em; color: var(--text-muted); font-weight: 600; }
.ni-ak-jadual { overflow-x: auto; }
.ni-ak-jadual table { width: 100%; border-collapse: collapse; font-size: .88em; }
.ni-ak-jadual th { text-align: left; font-size: .8em; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); padding: 8px; border-bottom: 1.5px solid var(--border); white-space: nowrap; }
.ni-ak-jadual td { padding: 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
.ni-ak-jadual td small { display: block; color: var(--text-muted); font-size: .85em; }
.ni-ak-jadual .n { text-align: center; white-space: nowrap; }
.ni-ak-jadual tr.belum td { color: var(--text-muted); }
.ni-ak-nota-senarai { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr)); }
.ni-ak-nota-senarai a { display: grid; gap: 3px; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); text-decoration: none; color: var(--text); }
.ni-ak-nota-senarai a:hover { border-color: var(--primary); }
.ni-ak-nota-senarai span { font-size: .8em; color: var(--text-muted); }
.ni-ak-nota-senarai i { height: 6px; border-radius: 3px; background: var(--border); overflow: hidden; }
.ni-ak-nota-senarai u { display: block; height: 100%; background: var(--primary); }
.ni-ak-garis { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.ni-ak-garis li { display: grid; grid-template-columns: 92px 1fr; gap: 12px; padding: 8px 0; border-bottom: 1px dashed var(--border); }
.ni-ak-garis time { font-size: .8em; font-weight: 700; color: var(--text-muted); }
.ni-ak-garis b { display: block; font-size: .92em; }
.ni-ak-garis span { font-size: .8em; color: var(--text-muted); }
.ni-ak-garis li.j-sijil b { color: #B45309; } .ni-ak-garis li.j-lencana b { color: #7C3AED; }
.ni-ak-h { margin: 6px 0 -4px; font-size: 1.22em; padding: 0 var(--inset, 4px); }

/* N7 — Sains, Fizik, Kimia, Biologi (10 Okt 2026) */
.ni-hal[data-subjek="sains"]   { --ni-a: #4D7C0F; --ni-a-dk: #365314; --ni-a-bg: #F7FEE7; --ni-a-bd: #D9F99D; }
.ni-hal[data-subjek="fizik"]   { --ni-a: #0E7490; --ni-a-dk: #164E63; --ni-a-bg: #ECFEFF; --ni-a-bd: #A5F3FC; }
.ni-hal[data-subjek="kimia"]   { --ni-a: #BE185D; --ni-a-dk: #831843; --ni-a-bg: #FDF2F8; --ni-a-bd: #FBCFE8; }
.ni-hal[data-subjek="biologi"] { --ni-a: #15803D; --ni-a-dk: #14532D; --ni-a-bg: #F0FDF4; --ni-a-bd: #BBF7D0; }
:root[data-theme="dark"] .ni-hal[data-subjek="sains"] { --ni-a-t: #BEF264; }
:root[data-theme="dark"] .ni-hal[data-subjek="fizik"] { --ni-a-t: #67E8F9; }
:root[data-theme="dark"] .ni-hal[data-subjek="kimia"] { --ni-a-t: #F9A8D4; }
:root[data-theme="dark"] .ni-hal[data-subjek="biologi"] { --ni-a-t: #86EFAC; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .ni-hal[data-subjek="sains"] { --ni-a-t: #BEF264; }
  :root:not([data-theme="light"]) .ni-hal[data-subjek="fizik"] { --ni-a-t: #67E8F9; }
  :root:not([data-theme="light"]) .ni-hal[data-subjek="kimia"] { --ni-a-t: #F9A8D4; }
  :root:not([data-theme="light"]) .ni-hal[data-subjek="biologi"] { --ni-a-t: #86EFAC; }
}
.ni-kat-kad[data-warna="sains"] { border-top: 5px solid #4D7C0F; }
.ni-kat-kad[data-warna="fizik"] { border-top: 5px solid #0E7490; }
.ni-kat-kad[data-warna="kimia"] { border-top: 5px solid #BE185D; }
.ni-kat-kad[data-warna="biologi"] { border-top: 5px solid #15803D; }

/* N14: cadangan aktiviti guru (statik, dipapar kepada semua pengunjung) */
.ni-akt { margin-top: 8px; border: 1px solid var(--border); border-left: 4px solid var(--ni-a, var(--primary)); border-radius: var(--radius-sm); background: var(--card-bg, #fff); }
.ni-akt > summary { cursor: pointer; padding: 10px 12px; min-height: 44px; font-weight: 700; font-size: .92em; color: var(--ni-a, var(--primary)); display: flex; align-items: center; }
.ni-akt > ol { list-style: none; margin: 0; padding: 0 12px 4px; display: grid; gap: 10px; }
.ni-akt > ol > li { border-top: 1px solid var(--border); padding-top: 10px; font-size: .9em; line-height: 1.55; color: var(--text); }
.ni-akt p { margin: 0 0 4px; }
.ni-akt-aras { display: inline-block; padding: 1px 10px; border-radius: 999px; background: var(--ni-a, var(--primary)); color: #fff; font-size: .85em; margin-bottom: 4px; }
.ni-akt-d { color: var(--text-muted); font-style: italic; }
.ni-akt small { color: var(--text-muted); display: block; }
.ni-akt-n { padding: 0 12px 12px; font-size: .85em; color: var(--text-muted); }
.ni-akt-n a { color: var(--ni-a, var(--primary)); font-weight: 700; }

/* =====================================================================================================
   HICK'S LAW — HALAMAN SUBJEK (2026-10-10, pemilik: "warna serabut, sidebar serabut").
   Prinsip: SATU warna aksen (subjek) sahaja di halaman senarai; satu tindakan utama (Mula belajar);
   maklumat sekunder (SP, cadangan guru, ringkasan) kekal tetapi senyap & seragam. Tiada fungsi dibuang.
   ===================================================================================================== */
.ni-hal #ni-senarai .ni-hero { border-top: 0; background: var(--card); gap: 12px; }
.ni-hal #ni-senarai .ni-hero h1 { font-size: clamp(21px, 2.6vw, 27px); }
.ni-hal .ni-meta { gap: 0; }
.ni-hal .ni-meta li { background: none !important; border: 0 !important; padding: 0; border-radius: 0; color: var(--text-muted) !important; font-weight: 600; font-size: .85em; }
.ni-hal .ni-meta li + li::before { content: "·"; margin: 0 8px; color: var(--text-light, var(--text-muted)); }
.ni-hero-aksi { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.ni-hero-aksi .ni-maju { flex: 1 1 240px; min-width: 0; }
.ni-hero-aksi .ni-tindak { flex: 0 0 auto; }
@media (max-width: 640px) { .ni-hero-aksi .ni-tindak, .ni-hero-aksi .ni-tindak .ni-btn { width: 100%; justify-content: center; } }
/* Gamifikasi: neutral, satu baris nipis — bukan papan warna */
.ni-hal .ni-gam { background: var(--card-2); border-color: var(--border); padding: 8px 12px; }
.ni-hal .ni-gam-lvl { width: 36px; height: 36px; font-size: 1em; box-shadow: none; background: var(--ni-a); color: #fff; }
.ni-hal .ni-gam-bar i, .ni-hal .ni-gam-bar.hari i { background: var(--ni-a); }
.ni-hal .ni-gam-stat > span, .ni-hal .ni-gam-lencana { background: var(--card); padding: 4px 9px; }
.ni-hal .ni-gam-stat svg, .ni-hal .ni-gam-lencana svg { fill: var(--text-muted) !important; width: 16px; height: 16px; }
/* Tajuk: satu warna (aksen subjek), saiz sederhana */
.ni-hal #ni-senarai .ni-tajuk-blok { --ni-c: var(--ni-a) !important; margin-bottom: 22px; }
.ni-hal #ni-senarai .ni-tajuk-blok > h2 { border-left: 0; padding-left: var(--inset); font-size: 1em; letter-spacing: .02em; color: var(--text); }
/* Kad unit: tanpa jalur warna; kod = lencana lembut; siap = aksen penuh */
.ni-hal #ni-senarai .ni-unit { border-left: 1px solid var(--border); }
.ni-hal #ni-senarai .ni-unit:hover { border-color: var(--ni-a-bd); }
.ni-hal #ni-senarai .ni-unit-kod { width: 40px; height: 40px; background: var(--ni-a-bg); color: var(--ni-a-t, var(--ni-a)); border: 1px solid var(--ni-a-bd); }
.ni-hal #ni-senarai .ni-unit.siap .ni-unit-kod { background: var(--ni-a); color: #fff; border-color: var(--ni-a); }
.ni-hal #ni-senarai .ni-unit.siap .ni-unit-st { background: var(--ni-a-bg); color: var(--ni-a-t, var(--ni-a)); }
.ni-hal #ni-senarai .ni-unit-buka { grid-template-columns: 40px minmax(0, 1fr) auto; }
/* Tiga lipatan (SP · Untuk guru · Ringkasan) — gaya SAMA, senyap, padat */
.ni-hal #ni-senarai .ni-unit > details { border-top: 1px solid var(--border); padding: 0 var(--kad-pad); margin: 0; background: none !important; border-left: 0 !important; border-radius: 0 !important; }
.ni-hal #ni-senarai .ni-unit > details > summary { padding: 7px 0; font-size: .8em; font-weight: 600; color: var(--text-muted) !important; }
.ni-hal #ni-senarai .ni-unit > details > summary:hover { color: var(--ni-a-t, var(--ni-a)) !important; }
.ni-hal #ni-senarai .ni-unit > details[open] > summary { color: var(--text) !important; }
.ni-hal #ni-senarai .ni-unit { margin-top: 0; }
.ni-hal #ni-senarai .ni-unit-grid { align-items: start; }
/* Sijil: neutral */
.ni-hal #ni-senarai .ni-sijil { border-color: var(--border); }
/* Sidebar halaman nota: tahap lain dilipat */
.sg-lipat { margin: 2px 0 0; }
.sg-lipat > summary { list-style: none; display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-radius: var(--radius-md, 10px); cursor: pointer; color: var(--text-muted); font-weight: 600; }
.sg-lipat > summary::-webkit-details-marker { display: none; }
.sg-lipat > summary:hover { background: var(--card-2); color: var(--text); }
.sg-lipat > summary svg { width: 20px; height: 20px; fill: currentColor; flex-shrink: 0; }
.sg-lipat > summary span { flex: 1; }
.sg-lipat > summary em { font-style: normal; font-size: .78em; font-weight: 700; padding: 1px 8px; border-radius: 99px; background: var(--card-2); border: 1px solid var(--border); }
.sg-lipat > summary::after { content: ""; width: 7px; height: 7px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(-45deg); transition: transform .15s; margin-right: 4px; }
.sg-lipat[open] > summary::after { transform: rotate(45deg); }
.sg-lipat > .sg-menu { padding-left: 14px; }
.sg-lipat > .sg-menu a { padding-top: 7px; padding-bottom: 7px; font-size: .92em; }
.ni-hal #ni-senarai .ni-unit > details.ni-akt > summary { display: list-item; min-height: 0; padding: 7px 0; }
.ni-hal #ni-senarai .ni-unit > details.ni-akt > ol, .ni-hal #ni-senarai .ni-unit > details.ni-akt > .ni-akt-n { padding-left: 0; padding-right: 0; }
.sg-lipat > summary span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sg-sisi .sg-lipat > summary { white-space: nowrap; }
.sg-sisi .sg-lipat > summary span { flex: 1 1 auto; min-width: 0; }
.sg-sisi .sg-lipat > .sg-menu { padding-left: 0; }
.sg-sisi .sg-lipat > .sg-menu a span { white-space: normal; }
.sg-sisi .sg-lipat > summary::after { display: none; }
.sg-sisi .sg-lipat > summary { gap: 10px; }
/* ===== LATIH (2026-10-10, pemilik): pilihan di KIRI & jelas berbeza daripada soalan ===== */
.ni-kat-baris { grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 12px; padding: 8px 12px; background: var(--card); border: 1px solid var(--border); }
.ni-kat-baris > span { order: 2; }
.ni-kat-pil { order: 1; flex-wrap: nowrap; }
.ni-kat-pil button, .ni-hal .ni-kat-pil button { background: var(--ni-a-bg, var(--primary-bg)); border-color: var(--ni-a-bd, var(--primary-bd)); color: var(--ni-a-t, var(--ni-a, var(--primary-text))); }
.ni-kat-pil button:hover:not(:disabled) { border-color: var(--ni-a, var(--primary)); }
.ni-kat-pil button[aria-pressed="true"], .ni-hal .ni-kat-pil button[aria-pressed="true"] { background: var(--ni-a, var(--primary-dark)); border-color: var(--ni-a, var(--primary-dark)); color: #fff; }
@media (max-width: 480px) { .ni-kat-baris { grid-template-columns: 1fr; gap: 6px; } .ni-kat-pil { flex-wrap: wrap; } }
.ni-hal .ni-pil { border-color: var(--ni-a-bd, var(--border)); }
.ni-hal .ni-pil i { color: var(--ni-a-t, var(--ni-a)); }
.ni-hal .ni-pil:hover:not(:disabled) { border-color: var(--ni-a); background: var(--ni-a-bg); }
/* Status unit: Sedang = aksen (sedang dilaksanakan), Belum = kelabu */
.ni-hal #ni-senarai .ni-unit.sedang { border-color: var(--ni-a-bd); box-shadow: inset 3px 0 0 var(--ni-a); }
.ni-hal #ni-senarai .ni-unit.sedang .ni-unit-st { background: var(--ni-a); color: #fff; }
.ni-hal #ni-senarai .ni-unit.sedang .ni-unit-kod { background: var(--ni-a); color: #fff; border-color: var(--ni-a); }

/* =====================================================================================================
   WARNA × HICK'S LAW (2026-10-10, pemilik: "terapkan warna supaya lebih menarik").
   Warna hanya membawa MAKNA, bukan hiasan: (1) SUBJEK = satu warna identiti (label, butang, aksen);
   (2) STATUS = kelabu Belum · aksen Sedang · emas Selesai; (3) GANJARAN = oren streak, emas bintang, ungu lencana.
   Satu butang berwarna penuh bagi setiap kad/halaman — mata terus ke tindakan utama.
   ===================================================================================================== */
/* Palet subjek katalog (sama seperti halaman nota) */
.ni-kat-kad { --w: #047857; --w-dk: #064E3B; --w-bg: #ECFDF5; --w-t: #065F46; }
.ni-kat-kad[data-warna="sejarah"]            { --w: #B45309; --w-dk: #7C2D12; --w-bg: #FFEDD5; --w-t: #9A3412; }
.ni-kat-kad[data-warna="matematik"]          { --w: #1D4ED8; --w-dk: #1E3A8A; --w-bg: #DBEAFE; --w-t: #1E40AF; }
.ni-kat-kad[data-warna="matematik-tambahan"] { --w: #6D28D9; --w-dk: #3B0764; --w-bg: #EDE9FE; --w-t: #5B21B6; }
.ni-kat-kad[data-warna="pendidikan-islam"]   { --w: #0F766E; --w-dk: #134E4A; --w-bg: #CCFBF1; --w-t: #115E59; }
.ni-kat-kad[data-warna="sains"]              { --w: #4D7C0F; --w-dk: #365314; --w-bg: #ECFCCB; --w-t: #3F6212; }
.ni-kat-kad[data-warna="fizik"]              { --w: #0E7490; --w-dk: #164E63; --w-bg: #CFFAFE; --w-t: #155E75; }
.ni-kat-kad[data-warna="kimia"]              { --w: #BE185D; --w-dk: #831843; --w-bg: #FCE7F3; --w-t: #9D174D; }
.ni-kat-kad[data-warna="biologi"]            { --w: #15803D; --w-dk: #14532D; --w-bg: #DCFCE7; --w-t: #166534; }
.ni-subjek { display: inline-block; align-self: flex-start; justify-self: start; padding: 2px 10px; border-radius: 999px; font-size: .74em; font-weight: 800; letter-spacing: .02em; line-height: 1.6; }
.ni-kat-kad .ni-subjek { background: var(--w-bg); color: var(--w-t); }
.ni-kat-kad { border-top: 0 !important; transition: transform .15s, box-shadow .15s; }
.ni-kat-kad:hover { transform: translateY(-2px); box-shadow: 0 10px 24px color-mix(in srgb, var(--w) 22%, transparent); }
.ni-kat-kad > a.ni-kulit { border-bottom: 4px solid var(--w); }
.ni-kat-isi .ni-meta li { background: none !important; border: 0 !important; padding: 0; color: var(--text-muted) !important; font-weight: 600; font-size: .82em; }
.ni-kat-isi .ni-meta { gap: 0; }
.ni-kat-isi .ni-meta li + li::before { content: "·"; margin: 0 6px; }
.ni-kat-isi .ni-btn { background: var(--w) !important; color: #fff !important; }
.ni-kat-isi .ni-btn:hover { background: var(--w-dk) !important; }
.ni-kat-maju i b { background: var(--w) !important; }
:root[data-theme="dark"] .ni-kat-kad .ni-subjek { background: color-mix(in srgb, var(--w) 30%, transparent); color: #fff; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .ni-kat-kad .ni-subjek { background: color-mix(in srgb, var(--w) 30%, transparent); color: #fff; } }

/* Halaman subjek: identiti subjek di hero */
.ni-hal #ni-senarai .ni-hero { background: linear-gradient(135deg, var(--ni-a-bg) 0%, var(--card) 60%); border-color: var(--ni-a-bd); box-shadow: inset 4px 0 0 var(--ni-a); }
.ni-hal .ni-hero .ni-subjek { background: var(--ni-a); color: #fff; }
.ni-hal #ni-senarai .ni-hero h1 { color: var(--ni-a-dk); }
:root[data-theme="dark"] .ni-hal #ni-senarai .ni-hero h1 { color: var(--text); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .ni-hal #ni-senarai .ni-hero h1 { color: var(--text); } }
.ni-hal .ni-maju-bar i { background: linear-gradient(90deg, var(--ni-a), var(--ni-a-dk)) !important; }
/* Ganjaran: warna bermakna (streak oren · bintang emas · lencana ungu) */
.ni-hal .ni-gam { background: var(--card); }
.ni-hal .ni-gam-lvl { background: radial-gradient(circle at 35% 30%, #FDE68A, #F59E0B 65%, #B45309) !important; color: #3B2400 !important; }
.ni-hal .ni-gam-bar i { background: linear-gradient(90deg, #F59E0B, #EA580C) !important; }
.ni-hal .ni-gam-bar.hari i { background: linear-gradient(90deg, var(--ni-a), var(--ni-a-dk)) !important; }
.ni-hal .ni-gam-stat > span:nth-child(1) svg { fill: #EA580C !important; }
.ni-hal .ni-gam-stat > span:nth-child(2) svg { fill: #F59E0B !important; }
.ni-hal .ni-gam-lencana svg { fill: #8B5CF6 !important; }
/* Tajuk: penanda aksen kecil */
.ni-hal #ni-senarai .ni-tajuk-blok > h2 { display: flex; align-items: center; gap: 8px; color: var(--ni-a-dk); }
.ni-hal #ni-senarai .ni-tajuk-blok > h2::before { content: ""; width: 4px; height: 1.1em; border-radius: 4px; background: var(--ni-a); flex-shrink: 0; }
:root[data-theme="dark"] .ni-hal #ni-senarai .ni-tajuk-blok > h2 { color: var(--text); }
/* Kad unit: hover beraksen; Selesai = emas */
.ni-hal #ni-senarai .ni-unit { transition: transform .15s, box-shadow .15s, border-color .15s; }
.ni-hal #ni-senarai .ni-unit:hover { transform: translateY(-2px); box-shadow: 0 8px 20px color-mix(in srgb, var(--ni-a) 18%, transparent); border-color: var(--ni-a-bd); }
.ni-hal #ni-senarai .ni-unit.siap { border-color: #FCD34D; box-shadow: inset 3px 0 0 #F59E0B; }
.ni-hal #ni-senarai .ni-unit.siap .ni-unit-kod { background: linear-gradient(135deg, #FBBF24, #D97706) !important; color: #fff; border-color: #D97706; }
.ni-hal #ni-senarai .ni-unit.siap .ni-unit-st { background: #FEF3C7 !important; color: #92400E !important; }
@media (prefers-reduced-motion: reduce) { .ni-kat-kad, .ni-hal #ni-senarai .ni-unit { transition: none; } .ni-kat-kad:hover, .ni-hal #ni-senarai .ni-unit:hover { transform: none; } }
/* Sijil: emas (matlamat akhir) */
.ni-hal #ni-senarai .ni-sijil { border-color: #FCD34D; background: linear-gradient(135deg, #FFFBEB, var(--card) 70%); }
:root[data-theme="dark"] .ni-hal #ni-senarai .ni-sijil { background: var(--card); }
/* ===== KAD TAHNIAH UNIT (2026-10-11) ===== */
.ni-hal .ni-tahniah-blok { background: linear-gradient(135deg, #FFFBEB, var(--card) 70%); border: 1px solid #FCD34D; }
.ni-hal .ni-tahniah-blok .ni-jenis { background: #F59E0B; color: #fff; }
.ni-tahniah-p { margin: 0 0 8px; color: var(--text-muted); font-size: .92em; }
.ni-unit-kad { all: unset; box-sizing: border-box; cursor: pointer; align-self: flex-end; display: inline-flex; align-items: center; gap: 5px; margin: -6px var(--kad-pad) 8px auto; padding: 4px 10px; border-radius: 999px; font-size: .76em; font-weight: 700; color: #92400E; background: #FEF3C7; border: 1px solid #FCD34D; }
.ni-unit-kad:hover { background: #FDE68A; }
.ni-unit-kad:focus-visible { outline: 2px solid #D97706; outline-offset: 2px; }
.ni-unit-kad svg { width: 14px; height: 14px; fill: currentColor; }
:root[data-theme="dark"] .ni-hal .ni-tahniah-blok { background: var(--card); }
:root[data-theme="dark"] .ni-unit-kad { background: rgba(245,158,11,.18); color: #FCD34D; border-color: rgba(252,211,77,.4); }
/* ===== KAD & SIJIL ANDA + RANKING KAD/SIJIL (2026-10-11) ===== */
.ni-ak-ks { display: inline-flex; gap: 6px; margin-top: 4px; }
.ni-ak-ks i { font-style: normal; font-size: .74em; font-weight: 800; padding: 1px 8px; border-radius: 999px; }
.ni-ak-ks i.kad { background: #FEF3C7; color: #92400E; }
.ni-ak-ks i.sijil { background: #EDE9FE; color: #5B21B6; }
.ni-ks-stat .j-unit b { color: #B45309; } .ni-ks-stat .j-tajuk b { color: #0E7490; } .ni-ks-stat .j-sijil b { color: #6D28D9; }
.ni-ks-grid { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.ni-ks { background: var(--card); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; display: flex; flex-direction: column; transition: transform .15s, box-shadow .15s; }
.ni-ks:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.12); }
.ni-ks.j-unit { border-top: 4px solid #F59E0B; } .ni-ks.j-tajuk { border-top: 4px solid #0E7490; } .ni-ks.j-sijil { border-top: 4px solid #7C3AED; }
.ni-ks-gambar { all: unset; cursor: zoom-in; display: block; background: #0B1020; }
.ni-ks-gambar canvas { width: 100%; height: auto; display: block; aspect-ratio: 1080/1350; }
.ni-ks.j-sijil .ni-ks-gambar canvas { aspect-ratio: 1754/1240; }
.ni-ks-isi { padding: 10px 12px 12px; display: grid; gap: 3px; }
.ni-ks-jenis { font-size: .72em; font-weight: 800; color: var(--text-muted); text-transform: uppercase; letter-spacing: .03em; }
.ni-ks-isi b { line-height: 1.3; }
.ni-ks-isi small { color: var(--text-muted); font-size: .8em; }
.ni-ks-siri { font-family: ui-monospace, monospace; font-weight: 700; color: var(--text) !important; }
.ni-ks-tindak { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.ni-ks-tindak > * { font-size: .82em !important; padding: 6px 12px !important; }
.ni-kad-status { margin: 8px 0 0; font-size: .85em; color: var(--text-muted); }
.ni-dlg-kad.ni-dlg-sijil { width: min(760px, calc(100vw - 16px)); }
@media (max-width: 640px) { .ni-ks-grid { grid-template-columns: 1fr 1fr; gap: 8px; } .ni-ks-tindak > * { flex: 1 1 auto; justify-content: center; } }
/* ===== KATALOG TELEFON 2 LAJUR (2026-10-11, pemilik — seperti Nota Interaktif dalam portal guru) ===== */
@media (max-width: 640px) {
  .ni-katalog, .ni-katalog.sg-ringkas { grid-template-columns: 1fr 1fr !important; gap: 8px !important; }
  .ni-kat-kad { border-radius: 12px; }
  .ni-kat-kad > a.ni-kulit { border-bottom-width: 3px; }
  .ni-kat-isi { padding: 8px 9px 10px; gap: 4px; }
  .ni-kat-isi .ni-subjek { font-size: .66em; padding: 1px 7px; }
  .ni-kat-isi h2 { font-size: .92em; line-height: 1.25; }
  .ni-kat-isi .ni-meta li { font-size: .7em; }
  .ni-kat-isi .ni-meta li + li::before { margin: 0 4px; }
  .ni-kat-isi p { font-size: .76em; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .ni-kat-isi .ni-btn { justify-self: stretch; justify-content: center; padding: 7px 8px; font-size: .8em; margin-top: 2px; }
  .ni-kat-isi .ni-btn svg { width: 14px; height: 14px; }
}
/* Pintu masuk (tetamu) */
.ni-dlg-masuk p { margin: 0 0 10px; line-height: 1.55; }