:root {
  
  --bg:            #F1F0F5;   
  --bg-panel:      #FBFAFE;   
  --bg-elev:       #FFFFFF;   
  --bar:           rgba(241,240,245,0.88);

  
  --fg:            #241E31;   
  --fg-dim:        #5F586E;   
  --fg-faint:      #6E687C;   
  --decor:         #B4AEC2;   
  --white:         #181226;   

  
  --accent:        #6D55C8;   
  --amber:         #C2571A;   
  --danger:        #C42B2B;   
  --ok:            #0E7A55;   

  
  --border:        rgba(30,24,46,0.14);
  --border-bright: rgba(30,24,46,0.34);
  --grid:          rgba(30,24,46,0.06);
  --paper-dots:    radial-gradient(rgba(30,24,46,0.10) 1px, transparent 1px); 

  
  --glow-accent:   none;
  --glow-soft:     none;
  --fx-scan:       0;
  --fx-vig:        0;

  
  --font-primary:  'JetBrains Mono', ui-monospace, monospace;
  --font-chrome:   'JetBrains Mono', ui-monospace, monospace; 

  

  
  --s-1: 4px;  --s-2: 8px;  --s-3: 16px; --s-4: 24px;
  --s-5: 32px; --s-6: 48px; --s-7: 64px; --s-8: 96px;

  
  --measure: 1180px;   
  --radius:  0px;      
}




*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-text, var(--font-primary));
  font-size: 16px;
  line-height: 1.65;
}
::selection { background: var(--accent); color: var(--accent-on, var(--bg)); }
a { color: var(--accent); text-decoration: none; }
a:hover:where(:not(.btn)) { color: var(--accent); text-decoration: underline; } 


.t-mega    { font-family: var(--font-text, var(--font-primary)); font-weight: 800; font-size: clamp(40px,7vw,82px); line-height: 0.98; letter-spacing: -0.01em; color: var(--white); text-shadow: var(--glow-soft); }
.t-display { font-family: var(--font-text, var(--font-primary)); font-weight: 800; font-size: 40px; line-height: 1.0; color: var(--white); }
.t-title   { font-family: var(--font-text, var(--font-primary)); font-weight: 700; font-size: 24px; line-height: 1.1; color: var(--white); }
.t-body    { font-family: var(--font-text, var(--font-primary)); font-weight: 400; font-size: 16px; line-height: 1.65; color: var(--fg); }
.t-label   { font-family: var(--font-primary); font-weight: 700; font-size: 11px; letter-spacing: 0.34em; text-transform: uppercase; color: var(--accent); }
.t-micro   { font-family: var(--font-chrome); font-size: 18px; line-height: 1.4; color: var(--fg-faint); letter-spacing: 0.04em; }


.container { max-width: var(--measure); margin: 0 auto; padding-left: var(--s-5); padding-right: var(--s-5); }



.fx-scanlines { pointer-events: none; opacity: var(--fx-scan);
  background: repeating-linear-gradient(180deg, rgba(0,0,0,0) 0 2px, rgba(0,0,0,0.28) 3px, rgba(0,0,0,0) 4px); }
.fx-vignette  { pointer-events: none; opacity: var(--fx-vig);
  background: radial-gradient(120% 100% at 50% 40%, rgba(0,0,0,0) 55%, rgba(0,0,0,0.55) 100%); }
.glow  { text-shadow: var(--glow-accent); }
.blink { animation: blink 1.1s steps(1) infinite; }
.flicker { animation: flicker 4s infinite; }
@keyframes blink   { 0%,49%{opacity:1;} 50%,100%{opacity:0;} }
@keyframes scan    { 0%{transform:translateY(0);} 100%{transform:translateY(100vh);} }
@keyframes flicker { 0%,100%{opacity:1;} 92%{opacity:1;} 93%{opacity:.65;} 94%{opacity:1;} 97%{opacity:.85;} 98%{opacity:1;} }
@keyframes ticker  { 0%{transform:translateX(0);} 100%{transform:translateX(-50%);} }




.btn { font-family: var(--font-text, var(--font-primary)); font-weight: 700; font-size: 14px; letter-spacing: var(--track-action, 0.12em); text-transform: var(--case-action, none);
       padding: 13px 22px; border: none; cursor: pointer; transition: filter .2s ease, background .2s ease; }
.btn--primary { background: var(--accent); color: var(--accent-on, var(--bg)); box-shadow: var(--glow-accent); }
.btn--primary:hover { filter: brightness(1.12); }
.btn--outline { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn--outline:hover { background: var(--accent-wash, color-mix(in srgb, var(--accent) 12%, transparent)); }
.btn--ghost { background: transparent; color: var(--fg-dim); border: 1px solid var(--border); font-weight: 500; }
.btn--ghost:hover { color: var(--white); border-color: var(--border-bright); }
.btn--danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn--danger:hover { background: color-mix(in srgb, var(--danger) 12%, transparent); }







.chip { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-primary);
        font-size: 11px; letter-spacing: 0.18em; padding: 7px 12px; border: 1px solid var(--border-bright); color: var(--fg-dim); }
.chip__dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.chip--ok   { border-color: var(--accent); color: var(--accent); }
.chip--warn { border-color: var(--amber);  color: var(--amber); }
.chip--err  { border-color: var(--danger); color: var(--danger); }
.chip--solid{ background: var(--accent); color: var(--accent-on, var(--bg)); font-weight: 700; border: none; }


.panel { border: 1px solid var(--border); background: var(--bg-panel); }
.panel--bright { border-color: var(--border-bright); }
.panel__head { display: flex; justify-content: space-between; align-items: center;
               padding: 11px 16px; border-bottom: 1px solid var(--border); }
.panel__head .t-label { font-size: 10px; letter-spacing: 0.28em; }
.panel__body { padding: 20px 16px; }


.sec-head { display: flex; align-items: center; gap: 16px; margin-bottom: var(--s-6); }
.sec-head__tick { width: 9px; height: 9px; background: var(--accent); box-shadow: var(--glow-accent); flex: none; }
.sec-head__title { font-family: var(--font-primary); font-weight: 700; font-size: 13px; letter-spacing: 0.34em; color: var(--white); margin: 0; }
.sec-head__rule { flex: 1; height: 1px; background: var(--border); }


.index-row { display: flex; align-items: center; gap: 18px; padding: 14px 6px; border-bottom: 1px solid var(--border); }
.index-row:hover { background: var(--bg-panel); }
.index-row__n { font-family: var(--font-chrome); font-size: 17px; color: var(--accent); width: 36px; }
.index-row__label { font-family: var(--font-text, var(--font-primary)); font-weight: 700; font-size: 16px; letter-spacing: 0.06em; color: var(--white); }
.index-row__rule { flex: 1; height: 1px; background: var(--border); }







.comm { display: flex; align-items: center; border: 1px solid var(--border-bright); background: var(--bg-panel); padding: 0 12px; }
.comm::before { content: ">"; font-family: var(--font-primary); color: var(--accent); font-size: 14px; }
.comm input { flex: 1; background: transparent; border: none; outline: none; font-family: var(--font-text, var(--font-primary)); font-size: 14px; color: var(--white); padding: 13px 10px; }
.field { width: 100%; background: var(--bg-panel); border: 1px solid var(--border); outline: none; font-family: var(--font-text, var(--font-primary)); font-size: 13px; color: var(--white); padding: 12px; }


.signal { font-family: var(--font-primary); font-weight: 700; color: var(--accent); letter-spacing: 0.1em; text-shadow: var(--glow-accent); }



:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn:disabled, .btn[aria-disabled="true"] {
  opacity: 0.45; cursor: not-allowed; filter: none; box-shadow: none; pointer-events: none;
}
.btn--loading { position: relative; color: transparent !important; pointer-events: none; }
.btn--loading::after {
  content: "░░░"; position: absolute; inset: 0; display: grid; place-items: center;
  color: var(--accent-on, var(--bg)); font-family: var(--font-primary); animation: loading-dots 1s steps(3) infinite;
}
.btn--outline.btn--loading::after, .btn--ghost.btn--loading::after { color: var(--accent); }
@keyframes loading-dots { 0%{content:"░  ";} 33%{content:"░░ ";} 66%{content:"░░░";} }
.comm:focus-within, .field:focus { border-color: var(--accent); }


.paper { background-image: var(--paper-dots); background-size: 24px 24px; }


.table { width: 100%; border-collapse: collapse; border: 1px solid var(--border); font-size: 13px; }
.table th { font-family: var(--font-primary); font-weight: 700; font-size: 10px; letter-spacing: 0.28em;
  text-transform: uppercase; text-align: left; color: var(--accent); padding: 11px 14px;
  border-bottom: 1px solid var(--border-bright); background: var(--bg-panel); }
.table td { padding: 11px 14px; border-bottom: 1px solid var(--border); color: var(--fg); }
.table tr:hover td { background: var(--bg-panel); }
.table td.num, .table th.num { font-family: var(--font-chrome); font-size: 16px; text-align: right; }

.progress { display: flex; align-items: center; gap: 12px; font-family: var(--font-chrome); font-size: 17px; color: var(--fg-dim); }
.progress__track { flex: 1; height: 14px; border: 1px solid var(--border-bright); background: var(--bg-panel); padding: 2px; }
.progress__fill { height: 100%; background: repeating-linear-gradient(90deg, var(--accent) 0 6px, transparent 6px 8px); box-shadow: var(--glow-accent); }


.alert { display: flex; gap: 12px; align-items: baseline; border: 1px solid var(--border-bright);
  border-left: 3px solid var(--accent); background: var(--bg-panel); padding: 14px 16px;
  font-size: 13px; line-height: 1.55; color: var(--fg); }
.alert::before { content: ">>"; font-family: var(--font-primary); font-weight: 700; color: var(--accent); flex: none; }
.alert--warn { border-left-color: var(--amber); } .alert--warn::before { content: "!!"; color: var(--amber); }
.alert--err { border-left-color: var(--danger); } .alert--err::before { content: "XX"; color: var(--danger); }

.toast { position: fixed; bottom: 24px; right: 24px; z-index: 200; min-width: 280px; max-width: 380px;
  border: 1px solid var(--border-bright); background: var(--bg-panel); box-shadow: var(--glow-soft), 0 8px 32px rgba(0,0,0,0.25);
  padding: 14px 16px; font-size: 13px; color: var(--fg); }
.toast__title { font-weight: 700; font-size: 11px; letter-spacing: 0.24em; color: var(--accent); margin-bottom: 6px; }

.modal-backdrop { position: fixed; inset: 0; z-index: 300; background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(3px); display: grid; place-items: center; padding: 24px; }
.modal { width: min(520px, 100%); border: 1px solid var(--border-bright); background: var(--bg-elev);
  box-shadow: var(--glow-soft), 0 16px 48px rgba(0,0,0,0.35); }
.modal__head { display: flex; justify-content: space-between; align-items: center; padding: 13px 18px; border-bottom: 1px solid var(--border); }
.modal__body { padding: 20px 18px; font-size: 14px; line-height: 1.65; color: var(--fg); }
.modal__foot { display: flex; justify-content: flex-end; gap: 12px; padding: 14px 18px; border-top: 1px solid var(--border); }








@media (max-width: 768px) {
  .container { padding-left: var(--s-3); padding-right: var(--s-3); }
  .t-mega { font-size: clamp(34px, 11vw, 48px); }
  .t-display { font-size: 30px; }
  .sec-head { flex-wrap: wrap; gap: 10px; }
  .index-row { gap: 10px; flex-wrap: wrap; }
  .table { display: block; overflow-x: auto; }
  .toast { left: 16px; right: 16px; bottom: 16px; min-width: 0; max-width: none; }
  .btn { width: 100%; text-align: center; } .btn--inline { width: auto; }
}


@media (prefers-reduced-motion: reduce) {
  .blink, .flicker { animation: none !important; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}





.final { text-align: center; }
.final .anti { font-family: var(--font-text, var(--font-primary)); font-weight: 800; font-size: clamp(28px,4vw,40px); color: var(--white); letter-spacing: -0.01em; margin: 0 0 8px; text-wrap: balance; }
.final .anti em { font-style: normal; color: var(--accent); }
.final .anti-sub { color: var(--fg-dim); font-size: 15px; max-width: 56ch; margin: 0 auto 30px; }
.starts { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; text-align: left; margin: 0 auto 30px; max-width: 840px; }
.start { border: 1px solid var(--border); background: var(--bg-panel); padding: 18px 20px; display: block; transition: border-color .15s, box-shadow .15s; }
.start:hover { border-color: var(--border-bright); box-shadow: var(--glow-soft); text-decoration: none; }
.start .k2 { font-family: var(--font-chrome); font-size: 14px; letter-spacing: .14em; color: var(--fg-faint); text-transform: uppercase; }
.start b { display: block; font-family: var(--font-text, var(--font-primary)); font-weight: 800; font-size: 16px; color: var(--white); margin: 5px 0 8px; }
.start .go { color: var(--accent); font-size: 13.5px; font-weight: 700; }
.final .cta { justify-content: center; }



.pulse { font-family: var(--font-chrome); font-size: 16px; letter-spacing: .08em; display: flex; flex-wrap: wrap; gap: 8px 26px; align-items: center; padding: 10px 24px; border-bottom: 1px solid var(--border); background: var(--bg-elev); }
.pulse .inner { max-width: var(--measure); margin: 0 auto; width: 100%; display: flex; flex-wrap: wrap; gap: 8px 26px; align-items: center; }
.pulse .p-dot { color: var(--accent); animation: blink 1.4s steps(1) infinite; }
.pulse i { font-style: normal; color: var(--fg-dim); }
.pulse b { color: var(--white); font-weight: 400; }





















.card--anchor, .panel--anchor { border-left: 3px solid var(--accent); background: var(--bg-panel); }
.card.card--anchor { border-left: 3px solid var(--accent); }
.card--anchor h3, .panel--anchor h3 { color: var(--accent); }


.ruled::after { content: ""; display: block; width: 56px; height: 3px; background: var(--accent); box-shadow: var(--glow-accent); margin-top: 12px; }


.hover-fill { transition: background .15s, border-color .15s; }
.hover-fill:hover { background: color-mix(in srgb, var(--accent) 7%, var(--bg-elev)); border-color: var(--border-bright); }

@media (max-width: 768px) {
  .starts { grid-template-columns: 1fr; }
  
  
  
  
  
}





:root {
  --ty-scale:    1.25;      
  --ty-base:     15px;      
  --ty-micro:    11px;
  --ty-kicker:   12px;
  --ty-small:    13px;
  --ty-body:     16px;
  --ty-lead:     18px;
  --ty-title:    24px;
  --ty-display:  34px;
  --ty-mega:     52px;
  --ty-ultra:    76px;

  --lh-tight:    1.05;   
  --lh-snug:     1.25;   
  --lh-text:     1.6;    
  --lh-loose:    1.75;   

  --track-label: 0.34em; 
  --track-kick:  0.14em; 
  --track-tight: -0.01em;
}


[data-type-context="slide"], .slide {
  --ty-base:     24px;
  --ty-micro:    24px;
  --ty-kicker:   24px;
  --ty-small:    24px;
  --ty-body:     28px;
  --ty-lead:     34px;
  --ty-title:    44px;
  --ty-display:  60px;
  --ty-mega:     84px;
  --ty-ultra:    116px;
  --lh-text:     1.45;
}


[data-type-context="print"] {
  --ty-base:     11pt;
  --ty-micro:    8pt;
  --ty-kicker:   8.5pt;
  --ty-small:    9.5pt;
  --ty-body:     11pt;
  --ty-lead:     13pt;
  --ty-title:    17pt;
  --ty-display:  23pt;
  --ty-mega:     32pt;
  --ty-ultra:    44pt;
  --lh-text:     1.55;
}

.ty-micro   { font-size: var(--ty-micro);   line-height: var(--lh-text); }
.ty-kicker  { font-size: var(--ty-kicker);  line-height: var(--lh-text); letter-spacing: var(--track-kick); text-transform: uppercase; }
.ty-small   { font-size: var(--ty-small);   line-height: var(--lh-text); }
.ty-body    { font-size: var(--ty-body);    line-height: var(--lh-text); }
.ty-lead    { font-size: var(--ty-lead);    line-height: var(--lh-text); }
.ty-title   { font-size: var(--ty-title);   line-height: var(--lh-snug); }
.ty-display { font-size: var(--ty-display); line-height: var(--lh-snug);  letter-spacing: var(--track-tight); }
.ty-mega    { font-size: var(--ty-mega);    line-height: var(--lh-tight); letter-spacing: var(--track-tight); }
.ty-ultra   { font-size: var(--ty-ultra);   line-height: var(--lh-tight); letter-spacing: var(--track-tight); }


.w-text    { font-weight: 400; }                                     
.w-quote   { font-weight: 400; font-style: italic; }                 
.w-lead    { font-weight: 500; }                                     
.w-strong  { font-weight: 600; }                                     
.w-head    { font-weight: 700; }                                     
.w-display { font-weight: 800; }                                     
.w-label   { font-weight: 700; text-transform: uppercase; letter-spacing: var(--track-label); } 
.w-chrome  { font-family: var(--font-chrome); font-weight: 500; letter-spacing: var(--track-kick); font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1, "zero" 1; } 


.balance { text-wrap: balance; }
.pretty  { text-wrap: pretty; }
.measure-text { max-width: 68ch; }


[data-theme="normal"] {
  --bg: #F1F0F5; --bg-panel: #FBFAFE; --bg-elev: #FFFFFF; --bar: rgba(241,240,245,0.88);
  --fg: #241E31; --fg-dim: #5F586E; --fg-faint: #6E687C; --decor: #B4AEC2; --white: #181226;
  --accent: #6D55C8; --amber: #A8650A; --danger: #C42B2B;
  --border: rgba(30,24,46,0.14); --border-bright: rgba(30,24,46,0.34); --grid: rgba(30,24,46,0.06);
  --paper-dots: radial-gradient(rgba(30,24,46,0.10) 1px, transparent 1px);
  --glow-accent: none; --glow-soft: none; --fx-scan: 0; --fx-vig: 0;
}


[data-accent="teal"]  { --accent: #0E7C86; --glow-accent: none; --glow-soft: none; }
[data-accent="steel"] { --accent: #3A4FB8; --glow-accent: none; --glow-soft: none; }
[data-accent="lime"]  { --accent: #4E7A0E; --glow-accent: none; --glow-soft: none; }









@media (max-width: 768px) {
  .callout { grid-template-columns: 1fr; }
  .step { grid-template-columns: 40px 1fr; gap: 12px; }
  .exercise__meta { gap: 8px 16px; }
}




.w-chrome, .t-micro, .pulse, .slide__kicker, .slide__foot, .slide-quote__who, .index-row__n, .step::before, .module__n, .module__meta, .exercise__meta, .progress, .start .k2, .callout__icon, .slide__num {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1, "zero" 1;
}


.t-micro          { font-size: 13px; font-weight: 500; letter-spacing: var(--track-kick); }
.pulse            { font-size: 12px; font-weight: 500; letter-spacing: var(--track-kick); text-transform: uppercase; }
.pulse b          { font-weight: 700; }
.index-row__n     { font-size: 12px; font-weight: 500; }
.step::before     { font-size: 14px; font-weight: 700; }
.module__n        { font-size: 11px; font-weight: 500; }
.module__meta     { font-size: 11px; font-weight: 500; }
.exercise__meta   { font-size: 11px; font-weight: 500; }
.exercise__meta b { font-weight: 700; }


.progress         { font-size: 12px; font-weight: 500; letter-spacing: var(--track-kick); }
.start .k2        { font-size: 11px; font-weight: 500; }
.callout__icon    { font-family: var(--font-primary); font-weight: 700; font-size: 15px; }
.prompt__body     { font-variant-numeric: tabular-nums; }
.table td.num, .table th.num { font-family: var(--font-primary); font-weight: 500; font-size: var(--ty-small); font-variant-numeric: tabular-nums; }


.slide__kicker, .slide__foot, .slide-quote__who { font-weight: 500; }
.slide__num { font-family: var(--font-primary); font-weight: 800; font-size: 150px; letter-spacing: -0.03em; }


[data-accent="gold"]    { --accent: #7A5C00; --glow-accent: none; --glow-soft: none; }
[data-accent="ember"]   { --accent: #C2571A; --glow-accent: none; --glow-soft: none; }
[data-accent="magenta"] { --accent: #A3155F; --glow-accent: none; --glow-soft: none; }
[data-accent="sky"]     { --accent: #0B6BC9; --glow-accent: none; --glow-soft: none; }
[data-accent="mint"]    { --accent: #0E7A55; --glow-accent: none; --glow-soft: none; }









.pulse { padding-left: 0; padding-right: 0; }
.pulse .inner { padding-left: var(--s-5); padding-right: var(--s-5); min-width: 0; }
@media (max-width: 768px) {
  .pulse .inner { padding-left: var(--s-3); padding-right: var(--s-3); }
}



[data-status="tangerine"] { --amber: #C2571A; }
[data-status="copper"]    { --amber: #A85B2B; }
[data-status="gold"]      { --amber: #9E7700; }
[data-status="teal"]      { --amber: #0E7C86; }
[data-status="azure"]     { --amber: #0B6BC9; }
[data-status="fuchsia"]   { --amber: #A3155F; }









.chip--fill { background: var(--amber); color: #241E31; border-color: var(--amber); font-weight: 700; }




[data-status="mustard"] { --amber: #A8650A; }



.alert--err::before, .callout--err .callout__icon { font-weight: 800; }




[data-fx="scan"] { --fx-scan: 1; }