/* ICT Masterclass — site styles */
:root{
  --bg:#07110c; --bg2:#0a1710; --panel:#0f1e15; --panel2:#14261a;
  --ink:#f2f7ea; --muted:#a8bfa3; --faint:#7f9a80;
  --line:#1d3524; --line2:#2a4a30;
  --accent:#ffd166; --accent2:#f5c542; --gold:#f5c542;
  --green:#4ade80; --red:#ef4444; --purple:#a3e635; --orange:#f59e0b;
  --radius:14px; --maxw:880px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}
html[data-theme="light"]{
  --bg:#f7f8f2; --bg2:#eef2e6; --panel:#ffffff; --panel2:#f4f7ec;
  --ink:#1b2415; --muted:#5b6b4a; --faint:#7d8a6b;
  --line:#dfe6d2; --line2:#cbd6b8;
  --accent:#8a6d00; --accent2:#6d7a00; --gold:#8a6d00;
  --green:#15803d; --red:#b91c1c; --purple:#4d7c0f; --orange:#b45309;
  --shadow:0 8px 24px rgba(40,60,20,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:"Nirmala UI","Segoe UI",system-ui,-apple-system,sans-serif;
  line-height:1.72; font-size:16.5px; -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
code,.mono{font-family:Consolas,"Cascadia Mono",monospace;font-size:.92em}

/* ---------- layout ---------- */
.app{display:grid;grid-template-columns:296px minmax(0,1fr);min-height:100vh}
.sidebar{
  position:sticky;top:0;height:100vh;overflow-y:auto;
  background:linear-gradient(180deg,var(--bg2),var(--bg));
  border-right:1px solid var(--line);padding:18px 14px 40px;
}
.sidebar::-webkit-scrollbar{width:8px}
.sidebar::-webkit-scrollbar-thumb{background:var(--line2);border-radius:8px}
.brand{display:flex;gap:10px;align-items:center;padding:6px 8px 16px;border-bottom:1px solid var(--line);margin-bottom:12px}
.brand .logo{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,#14301c,#1d4a2a);display:grid;place-items:center;font-weight:800;color:#ffd166;font-size:13px;border:1px solid #1e4a6e}
.brand b{display:block;font-size:14px;letter-spacing:.3px}
.brand span{font-size:11.5px;color:var(--muted)}
.nav-group{margin:14px 0 4px;padding:0 10px;font-size:11px;letter-spacing:1.4px;text-transform:uppercase;color:var(--faint);font-weight:700}
.nav a{
  display:flex;gap:9px;align-items:baseline;padding:7px 10px;border-radius:9px;
  color:var(--muted);font-size:14px;line-height:1.35;border:1px solid transparent;
}
.nav a:hover{background:var(--panel);color:var(--ink);text-decoration:none}
.nav a.active{background:linear-gradient(90deg,rgba(255,209,102,.16),rgba(255,209,102,.03));color:#fff3c4;border-color:#3f5a22}
html[data-theme="light"] .nav a.active{color:#4a5a00}
.nav a .n{font-size:11px;color:var(--faint);min-width:20px;font-weight:700;padding-top:2px}
.nav a.active .n{color:var(--accent)}
.nav a .en{display:block;font-size:11px;color:var(--faint);font-style:italic}

.main{min-width:0;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:40;display:flex;gap:10px;align-items:center;
  padding:10px 22px;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
}
.topbar .spacer{flex:1}
.btn{
  display:inline-flex;align-items:center;gap:7px;cursor:pointer;user-select:none;
  background:var(--panel);color:var(--ink);border:1px solid var(--line2);
  padding:7px 12px;border-radius:10px;font-size:13px;font-family:inherit;
}
.btn:hover{border-color:var(--accent);color:var(--accent)}
.btn.ghost{background:transparent}
.btn .k{font-size:11px;color:var(--faint)}
.content{width:100%;max-width:var(--maxw);margin:0 auto;padding:34px 26px 90px}
.menu-toggle{display:none}

/* ---------- typography ---------- */
h1,h2,h3,h4{line-height:1.28;letter-spacing:-.2px}
h1{font-size:2.05rem;margin:.1em 0 .35em;font-weight:800}
h2{font-size:1.42rem;margin:2.1em 0 .5em;font-weight:750;color:var(--ink);
   padding-left:14px;border-left:5px solid var(--accent);scroll-margin-top:80px}
h3{font-size:1.1rem;margin:1.6em 0 .35em;font-weight:700;color:#bfe0ff;scroll-margin-top:80px}
html[data-theme="light"] h3{color:#0b4772}
.kicker{font-size:12px;letter-spacing:2.2px;text-transform:uppercase;color:var(--gold);font-weight:800}
.chapno{font-size:13px;color:var(--faint);letter-spacing:1px;font-weight:700}
.lead{font-size:1.06rem;color:var(--muted)}
hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

/* bilingual text */
.bi{margin:0 0 1.05em}
.bi .bn{font-family:"Nirmala UI","Segoe UI",sans-serif;font-size:1.02rem;color:var(--ink)}
.bi .en{font-family:Georgia,"Times New Roman",serif;font-size:.95rem;color:var(--muted);font-style:italic;margin-top:.35em}
body.lang-bn .en{display:none}
body.lang-en .bn{display:none}
body.lang-en .bi .en{margin-top:0}

/* single-language editions: the English side becomes primary */
body[data-lang="en"] .bi .en,
body[data-lang="en"] td .en,
body[data-lang="en"] .cap-r.en,
body[data-lang="en"] .note .en,
body[data-lang="en"] .pat .cap-t .en{
  color:var(--ink); font-style:normal; font-family:Georgia,"Times New Roman",serif;
  font-size:1.02rem; line-height:1.72;
}
body[data-lang="en"] .pat .cap-r.en{font-size:.82rem;color:var(--muted)}
body[data-lang="bn"] .bi .bn{font-size:1.04rem;line-height:1.85}

/* language chooser (root index) */
.choose-wrap{max-width:1120px;margin:0 auto;padding:56px 24px 40px}
.choose-head{text-align:center;margin-bottom:34px}
.choose-head h1{font-size:2.3rem;line-height:1.3;margin:.35em 0 .3em}
.choose-head h1 span{display:block;font-size:1.25rem;color:var(--muted);font-weight:600}
.choose-head p{color:var(--muted);font-size:.95rem;line-height:1.7}
.choose-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:34px 0}
.choose-card{display:block;color:var(--ink);background:var(--panel);border:1px solid var(--line2);border-radius:18px;overflow:hidden;transition:transform .16s ease,border-color .16s ease}
.choose-card:hover{transform:translateY(-3px);border-color:var(--accent);text-decoration:none}
.cc-img{aspect-ratio:16/9;overflow:hidden;background:#0b1421}
.cc-img img{width:100%;height:100%;object-fit:cover;opacity:.88}
.cc-body{padding:20px 22px 24px}
.cc-tag{font-size:11px;letter-spacing:2px;color:var(--gold);font-weight:800}
.cc-body h2{margin:.2em 0 .25em;font-size:1.5rem;color:var(--ink);border:0;padding:0}
.cc-body p{color:var(--muted);font-size:.9rem;margin:0 0 16px}
.cc-btn{display:inline-block;background:var(--accent);color:#07120b;font-weight:800;padding:10px 18px;border-radius:10px;font-size:.92rem}
.choose-foot{text-align:center;color:var(--faint);font-size:12px;margin-top:26px}
@media (max-width:820px){.choose-grid{grid-template-columns:1fr}}

/* language switch */
.lang-switch{margin:0 0 12px;padding:0 10px}
.lang-switch a{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--accent);
  border:1px solid var(--line2);border-radius:999px;padding:5px 12px;background:var(--panel)}
.lang-switch a:hover{border-color:var(--accent);text-decoration:none}
.disclaimer{margin-top:34px;font-size:12px;color:var(--faint)}
b,strong{color:#fff}
html[data-theme="light"] b,html[data-theme="light"] strong{color:#08243c}
mark{background:rgba(245,158,11,.28);color:inherit;padding:0 3px;border-radius:3px}

/* lists */
ul.bul{padding-left:0;list-style:none;margin:0 0 1.1em}
ul.bul>li{position:relative;padding-left:26px;margin:.5em 0}
ul.bul>li::before{content:"▸";position:absolute;left:2px;top:0;color:var(--gold);font-weight:800}
ol.steps{padding-left:0;list-style:none;counter-reset:s;margin:0 0 1.1em}
ol.steps>li{position:relative;padding-left:42px;margin:.7em 0;counter-increment:s}
ol.steps>li::before{
  content:counter(s);position:absolute;left:0;top:1px;width:27px;height:27px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent2),#12588c);color:#07120b;font-weight:800;
  display:grid;place-items:center;font-size:13px
}
ol.steps>.en{color:var(--muted);font-style:italic;font-size:.92rem;padding-left:42px;margin-top:-.4em}

/* notes */
.note{
  border-radius:var(--radius);padding:16px 18px;margin:1.5em 0;
  background:linear-gradient(180deg,rgba(255,209,102,.09),rgba(255,209,102,.03));
  border:1px solid rgba(255,209,102,.28);border-left:5px solid var(--accent);
}
.note .t{font-weight:800;color:var(--accent);font-size:.95rem;margin-bottom:.35em}
.note.warn{background:linear-gradient(180deg,rgba(239,68,68,.10),rgba(239,68,68,.03));border-color:rgba(239,68,68,.32);border-left-color:var(--red)}
.note.warn .t{color:var(--red)}
.note.gold{background:linear-gradient(180deg,rgba(245,197,66,.12),rgba(245,197,66,.03));border-color:rgba(245,197,66,.34);border-left-color:var(--gold)}
.note.gold .t{color:var(--gold)}
.note.green{background:linear-gradient(180deg,rgba(74,222,128,.10),rgba(74,222,128,.03));border-color:rgba(74,222,128,.3);border-left-color:var(--green)}
.note.green .t{color:var(--green)}
.note p:last-child,.note .bi:last-child{margin-bottom:0}

/* figures */
figure{margin:1.6em 0 1.9em}
figure .frame{
  background:linear-gradient(180deg,#0b1421,#070c14);border:1px solid var(--line2);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);cursor:zoom-in
}
html[data-theme="light"] figure .frame{background:#0b1421;border-color:#243a56}
figure img{width:100%;height:auto}
figcaption{margin-top:.6em;font-size:.86rem;color:var(--muted);line-height:1.5}
figcaption b{color:var(--gold);font-weight:700;letter-spacing:.4px}
figcaption .en{display:block;font-family:Georgia,serif;font-style:italic;color:var(--faint);margin-top:.15em}

/* tables */
.table-wrap{overflow-x:auto;margin:1.4em 0;border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;font-size:.9rem;min-width:520px}
th{background:linear-gradient(180deg,#23402b,#16291c);color:#f6f3d8;text-align:left;font-weight:700;
   padding:11px 13px;font-size:.84rem;letter-spacing:.3px;border-bottom:1px solid var(--line2)}
td{padding:10px 13px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink)}
tr:last-child td{border-bottom:0}
tbody tr:nth-child(odd){background:rgba(255,255,255,.018)}
html[data-theme="light"] tbody tr:nth-child(odd){background:#f7fafd}
td .en{display:block;color:var(--muted);font-style:italic;font-size:.84rem;margin-top:.15em}

/* cards & grids */
.grid{display:grid;gap:14px;margin:1.4em 0}
.grid.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 17px}
.card h4{margin:.1em 0 .35em;font-size:1rem;color:var(--accent)}
.card p{margin:0;font-size:.9rem;color:var(--muted)}
.pill{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11px;font-weight:700;
      letter-spacing:.5px;background:rgba(255,209,102,.14);color:#ffe08a;border:1px solid rgba(255,209,102,.3)}
.pill.red{background:rgba(239,68,68,.13);color:#ffb3b1;border-color:rgba(239,68,68,.32)}
.pill.green{background:rgba(74,222,128,.13);color:#a8f0c6;border-color:rgba(74,222,128,.3)}
.pill.gold{background:rgba(245,197,66,.14);color:#f0d98a;border-color:rgba(245,197,66,.32)}
.pill.level{background:rgba(163,230,53,.14);color:#d3b6ff;border-color:rgba(163,230,53,.35);font-size:10.5px;letter-spacing:1px}

/* hero / home */
.hero{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line2);margin-bottom:26px;box-shadow:var(--shadow)}
.hero img{width:100%}
.hero .overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:26px 28px;background:linear-gradient(180deg,rgba(6,12,21,.1),rgba(6,12,21,.92) 72%)}
.hero h1{font-size:2.3rem;margin:0 0 .2em;color:#fff}
.hero .sub{color:#b9d3e8;font-size:1rem}
.toc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin:1.2em 0}
.toc-card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 15px;color:var(--ink)}
.toc-card:hover{border-color:var(--accent);text-decoration:none;transform:translateY(-1px)}
.toc-card .n{font-size:11px;color:var(--gold);font-weight:800;letter-spacing:1px}
.toc-card b{display:block;font-size:.98rem;margin:.15em 0 .1em}
.toc-card span{font-size:.78rem;color:var(--faint);font-style:italic}

/* pager */
.pager{display:flex;gap:12px;justify-content:space-between;margin-top:50px;padding-top:22px;border-top:1px solid var(--line)}
.pager a{flex:1;max-width:48%;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:13px 15px;color:var(--ink)}
.pager a:hover{border-color:var(--accent);text-decoration:none}
.pager .dir{font-size:11px;color:var(--faint);letter-spacing:1px;text-transform:uppercase}
.pager .ttl{font-size:.92rem;margin-top:.2em}
.pager .next{text-align:right}

/* pattern card grid */
.pat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:1.6em 0 2.2em}
.pat{margin:0}
.pat .frame{border-radius:12px;box-shadow:none}
.pat figcaption{margin-top:.5em}
.pat .cap-t{font-size:.86rem;color:var(--muted)}
.pat .cap-t b{color:var(--gold);font-weight:700;margin-right:4px}
.pat .cap-t .bn{color:var(--ink);font-weight:600;font-size:.95rem}
.pat .cap-r{font-size:.78rem;color:var(--muted);line-height:1.5}
.pat .cap-r.en{font-family:Georgia,serif;font-style:italic;color:var(--faint)}
body.lang-bn .pat .cap-r.en{display:none}
body.lang-en .pat .cap-r.bn{display:none}
body.lang-en .pat .cap-t .bn{display:none}
@media (max-width:700px){.pat-grid{grid-template-columns:1fr}}

/* ---------- affiliate CTA ---------- */
.cta-btn{background:linear-gradient(135deg,#f5c542,#ffd166);color:#1a1400;border-color:#f5c542;
  font-weight:800;box-shadow:0 4px 14px rgba(245,197,66,.22)}
.cta-btn:hover{filter:brightness(1.07);color:#1a1400;border-color:#ffe08a}
.cta-short{display:none}
.cta-side{display:block;margin:0 10px 14px;padding:10px 12px;border-radius:11px;
  background:linear-gradient(135deg,#f5c542,#ffd166);color:#1a1400!important;text-align:center;
  font-weight:800;font-size:13px;line-height:1.3;text-decoration:none!important;
  box-shadow:0 4px 12px rgba(245,197,66,.18)}
.cta-side:hover{filter:brightness(1.06)}
.cta-side small{display:block;font-weight:500;font-size:9.5px;opacity:.72;margin-top:3px;letter-spacing:.2px}
.cta-strip{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;
  background:linear-gradient(135deg,rgba(245,197,66,.12),rgba(74,222,128,.07));
  border:1px solid rgba(245,197,66,.38);border-radius:14px;padding:16px 18px;margin:26px 0 8px}
.cta-strip b{display:block;font-size:1rem;color:var(--ink)}
.cta-strip p{margin:.2em 0 0;font-size:.82rem;color:var(--muted);max-width:52ch}
.cta-fine{font-size:10px;color:var(--faint);margin:6px 0 0;text-align:right}
@media(max-width:960px){
  .cta-full{display:none}
  .cta-short{display:inline}
}

.tool-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:18px;margin:1.4em 0}
@media(max-width:900px){.tool-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:5px;margin-bottom:12px}
.field label{font-size:.76rem;letter-spacing:.6px;text-transform:uppercase;color:var(--faint);font-weight:700}
.field input,.field select,.j-form input,.j-form select,.j-settings input{
  background:var(--panel2);border:1px solid var(--line2);color:var(--ink);
  border-radius:9px;padding:9px 11px;font-size:.95rem;font-family:inherit;outline:none;width:100%
}
.field input:focus,.j-form input:focus,.j-form select:focus,.j-settings input:focus{border-color:var(--accent)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.res{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.res .k{font-size:.72rem;letter-spacing:.7px;text-transform:uppercase;color:var(--faint);font-weight:700}
.res .v{font-size:1.45rem;font-weight:800;color:var(--ink);margin-top:2px;font-variant-numeric:tabular-nums}
.res.hero{grid-column:1 / -1;background:linear-gradient(135deg,rgba(255,209,102,.14),rgba(255,209,102,.03));border-color:rgba(255,209,102,.4)}
.res.hero .v{font-size:2.1rem;color:#a9e6ff}
.res .v.bad{color:var(--red)}
.calc-warn{margin-top:10px;font-size:.86rem;padding:9px 12px;border-radius:10px}
.calc-warn.bad{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.35);color:#ffb3b1}
.calc-warn.warn{background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.35);color:#f7cf8f}
.calc-warn.ok{background:rgba(74,222,128,.10);border:1px solid rgba(74,222,128,.3);color:#a8f0c6}
.btn.primary{background:var(--accent);color:#07120b;border-color:var(--accent);font-weight:800}
.kpi-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin:1.4em 0}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 13px}
.kpi-l{font-size:.7rem;text-transform:uppercase;letter-spacing:.8px;color:var(--faint);font-weight:700}
.kpi-v{font-size:1.35rem;font-weight:800;margin-top:3px;font-variant-numeric:tabular-nums}
.kpi-s{font-size:.72rem;color:var(--faint)}
.j-toolbar{display:flex;gap:12px;flex-wrap:wrap;justify-content:space-between;align-items:center;margin:1.2em 0}
.j-actions{display:flex;gap:8px;flex-wrap:wrap}
.j-status{font-size:.78rem;color:var(--faint);margin-left:8px}
.j-status.on{color:var(--green)}
.j-settings{display:flex;gap:16px;align-items:center;margin:0 0 10px;font-size:.8rem;color:var(--muted)}
.j-settings label{display:flex;gap:8px;align-items:center}
.j-settings input{width:110px}
.j-form{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px 12px}
@media(max-width:900px){.j-form{grid-template-columns:repeat(2,minmax(0,1fr))}}
.j-form label{display:flex;flex-direction:column;gap:4px;font-size:.72rem;text-transform:uppercase;letter-spacing:.6px;color:var(--faint);font-weight:700}
.j-form label.wide{grid-column:1 / -1}
.j-form .wide input{width:100%}
.j-issues{grid-column:1 / -1;margin-top:4px}
.j-issues>span{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.6px;color:var(--faint);font-weight:700;margin-bottom:6px}
.j-form .chk{display:inline-flex;flex-direction:row;align-items:center;gap:6px;width:auto;
  font-size:.8rem;text-transform:none;letter-spacing:0;font-weight:500;color:var(--muted);
  border:1px solid var(--line);border-radius:999px;padding:5px 11px;margin:0 6px 6px 0;background:var(--panel2);cursor:pointer}
.j-form .chk:hover{border-color:var(--accent2);color:var(--ink)}
.j-form .chk input{width:auto;margin:0;padding:0;accent-color:var(--accent)}
.j-form-actions{grid-column:1 / -1;display:flex;gap:10px;margin-top:6px}
.j-table{font-size:.84rem}
.j-table td,.j-table th{padding:7px 9px;white-space:nowrap}
.j-tags{max-width:230px;white-space:normal}
.j-tag{display:inline-block;background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);
  color:#ffb3b1;border-radius:6px;padding:1px 6px;font-size:.7rem;margin:1px 3px 1px 0}
.j-row-actions{white-space:nowrap}
.lnk{background:none;border:0;color:var(--accent);cursor:pointer;font-size:.78rem;padding:2px 4px;font-family:inherit}
.lnk.danger{color:var(--red)}
.j-mini{width:100%;min-width:0;table-layout:fixed;font-size:.78rem;border-collapse:collapse}
.j-mini th{background:none;border:0;padding:2px 6px;font-size:.66rem;letter-spacing:.5px;color:var(--faint);text-transform:uppercase;font-weight:700}
.j-mini td{padding:5px 6px;border-bottom:1px solid var(--line);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.j-mini th:nth-child(1),.j-mini td:nth-child(1){width:46%}
.j-mini th:nth-child(2),.j-mini td:nth-child(2){width:12%;text-align:right;color:var(--faint)}
.j-mini th:nth-child(3),.j-mini td:nth-child(3){width:14%;text-align:right;color:var(--faint)}
.j-mini th:nth-child(4),.j-mini td:nth-child(4){width:28%;text-align:right}
.j-mini td:first-child{color:var(--muted)}
.j-mini td:last-child{font-weight:700;font-variant-numeric:tabular-nums}
.pos{color:var(--green)!important}
.neg{color:var(--red)!important}
.muted{color:var(--muted)}.small{font-size:.78rem}
.empty{padding:26px;text-align:center;color:var(--faint);font-size:.9rem}
.j-chart{width:100%;height:auto;display:block;margin-top:6px}
.j-toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,14px);opacity:0;transition:.22s;
  background:var(--panel);border:1px solid var(--line2);color:var(--ink);padding:10px 18px;border-radius:999px;font-size:.86rem;z-index:300}
.j-toast.on{opacity:1;transform:translate(-50%,0)}
.card h4{margin:.1em 0 .6em;font-size:1rem;color:var(--accent)}

.toc-local{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:0 0 28px}
.toc-local .toc-title{font-size:10.5px;letter-spacing:1.5px;text-transform:uppercase;color:var(--faint);font-weight:700;margin-bottom:8px}
.toc-local a{display:block;padding:2px 0;font-size:.82rem;color:var(--muted);line-height:1.45}
.toc-local a:hover{color:var(--accent);text-decoration:none}
.toc-local a.on{color:var(--accent);font-weight:600}
.hsub{display:block;font-size:.6em;font-weight:600;color:var(--muted);letter-spacing:.2px;margin-top:.3em}
.hsub2{display:block;font-size:.74em;font-weight:400;color:var(--muted);margin-top:.15em;font-style:italic}
.hnum{color:var(--gold);margin-right:.45em;font-variant-numeric:tabular-nums}

/* progress */
.progress{position:fixed;left:0;top:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--gold));width:0;z-index:100;transition:width .08s}

/* lightbox */
.lb{position:fixed;inset:0;background:rgba(3,7,12,.94);display:none;align-items:center;justify-content:center;z-index:200;padding:22px}
.lb.on{display:flex}
.lb img{max-width:96vw;max-height:92vh;border-radius:10px;border:1px solid #2a405e}
.lb .x{position:absolute;top:16px;right:22px;font-size:26px;color:#cfe4f7;cursor:pointer;background:none;border:0}

/* search */
.search{position:fixed;inset:0;background:rgba(3,7,12,.9);display:none;z-index:210;padding:8vh 20px}
.search.on{display:block}
.search .box{max-width:680px;margin:0 auto;background:var(--panel);border:1px solid var(--line2);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.search input{width:100%;padding:18px 20px;background:transparent;border:0;border-bottom:1px solid var(--line);
  color:var(--ink);font-size:1.05rem;font-family:inherit;outline:none}
.search .hits{max-height:55vh;overflow-y:auto}
.search .hit{display:block;padding:12px 18px;border-bottom:1px solid var(--line);color:var(--ink)}
.search .hit:hover{background:var(--panel2);text-decoration:none}
.search .hit b{display:block;font-size:.95rem}
.search .hit span{font-size:.8rem;color:var(--faint)}

@media (max-width:960px){
  .app{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:fixed;z-index:60;left:0;top:0;width:290px;transform:translateX(-102%);transition:transform .22s ease}
  .sidebar.open{transform:none;box-shadow:var(--shadow)}
  .menu-toggle{display:inline-flex}
  .content{padding:22px 16px 70px}
  .hero h1{font-size:1.6rem}
  .grid.c2,.grid.c3{grid-template-columns:1fr}
}
@media print{
  .sidebar,.topbar,.pager,.progress,.lb,.search{display:none!important}
  .app{display:block}
  body{background:#fff;color:#111;font-size:11pt}
  .content{max-width:none;padding:0}
  figure .frame{border:0;box-shadow:none}
  h2{break-after:avoid}
  figure,table{break-inside:avoid}
}