:root{
  --bg:#EDF0F3; --panel:#FFFFFF; --panel-2:#F6F7F9; --ink:#15223A; --ink-2:#4A5568; --line:#D8DEE6;
  --navy:#15223A; --navy-ink:#E9EDF3; --red:#B5322B; --red-soft:#F7E3E1; --tan:#B98447; --tan-soft:#F3E8DA;
  --sage:#2F7553; --sage-soft:#DDEFE5; --amber:#A86A08; --amber-soft:#F8EBD2; --focus:#2B6CB0;
  --display:"Archivo", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --body:"Public Sans", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  box-sizing:border-box; padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0E1524; --panel:#172137; --panel-2:#1D2840; --ink:#E7EBF2; --ink-2:#A9B3C4; --line:#2B3854;
    --navy:#0A101C; --navy-ink:#E7EBF2; --red:#E2655C; --red-soft:#3A2023; --tan:#D7A468; --tan-soft:#33291E;
    --sage:#6CC596; --sage-soft:#1B3328; --amber:#E2A84A; --amber-soft:#382B15; --focus:#7FB3F0;
  }
}
:root[data-theme="dark"]{
  --bg:#0E1524; --panel:#172137; --panel-2:#1D2840; --ink:#E7EBF2; --ink-2:#A9B3C4; --line:#2B3854;
  --navy:#0A101C; --navy-ink:#E7EBF2; --red:#E2655C; --red-soft:#3A2023; --tan:#D7A468; --tan-soft:#33291E;
  --sage:#6CC596; --sage-soft:#1B3328; --amber:#E2A84A; --amber-soft:#382B15; --focus:#7FB3F0;
}
html{scroll-padding-top:env(safe-area-inset-top,0px);height:100%}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 var(--body);min-height:100%;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
img{max-width:100%}
.app{display:grid;grid-template-columns:248px 1fr;min-height:100vh}
/* Sidebar */
.side{background:var(--navy);color:var(--navy-ink);padding:24px 16px;display:flex;flex-direction:column;gap:20px;position:sticky;top:0;height:100vh;overflow:auto}
.brand{display:flex;align-items:center;gap:10px;padding:0 8px}
.brand svg{width:34px;height:34px;flex:none}
.brand b{font:800 1.15rem/1 var(--display);font-stretch:118%;letter-spacing:.01em;display:block}
.brand span{font-size:.78rem;opacity:.7}
.nav{display:flex;flex-direction:column;gap:2px}
.nav button{all:unset;cursor:pointer;display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;font-weight:500;font-size:.95rem;color:inherit;opacity:.82}
.nav button:hover{opacity:1;background:rgba(255,255,255,.06)}
.nav button[aria-current="page"]{opacity:1;background:rgba(255,255,255,.1);box-shadow:inset 3px 0 0 var(--tan)}
.nav button:focus-visible{outline:3px solid var(--focus)}
.nav .sep{font-size:.75rem;opacity:.55;padding:14px 12px 4px}
.nav svg{width:18px;height:18px;flex:none}
.who{margin-top:auto;font-size:.85rem;padding:12px;border-radius:10px;background:rgba(255,255,255,.06)}
.who strong{display:block;font-size:.95rem}
.who button{all:unset;cursor:pointer;color:var(--tan);font-weight:600;margin-top:6px;display:inline-block}
.who button:focus-visible{outline:3px solid var(--focus)}
main{padding:32px clamp(16px,4vw,48px) 64px;max-width:1180px;width:100%;min-width:0}
/* Type */
h1,h2,h3{font-family:var(--display);margin:0;line-height:1.1}
h1{font-size:clamp(1.9rem,3.6vw,2.8rem);font-weight:800;font-stretch:112%}
h2{font-size:1.35rem;font-weight:750;font-stretch:108%}
h3{font-size:1.05rem;font-weight:700;font-stretch:100%}
p{margin:0 0 .8em}
.muted{color:var(--ink-2)}
.small{font-size:.86rem}
.stack>*+*{margin-top:24px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.spread{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap}
/* Surfaces */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:999px;padding:10px 18px;font-weight:650;cursor:pointer;background:var(--red);color:#fff;text-decoration:none}
.btn:hover{filter:brightness(1.07)}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn.ghost:hover{box-shadow:inset 0 0 0 1.5px var(--ink-2)}
.btn.small{padding:6px 12px;font-size:.86rem}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.pill{display:inline-block;font-size:.76rem;font-weight:650;padding:3px 9px;border-radius:999px;white-space:nowrap}
.pill.done{background:var(--sage-soft);color:var(--sage)}
.pill.expiring,.pill.progress{background:var(--amber-soft);color:var(--amber)}
.pill.overdue,.pill.expired{background:var(--red-soft);color:var(--red)}
.pill.todo{background:var(--panel-2);color:var(--ink-2);box-shadow:inset 0 0 0 1px var(--line)}
.pill.req{background:var(--tan-soft);color:var(--tan)}
.bar{height:6px;border-radius:6px;background:var(--panel-2);overflow:hidden;box-shadow:inset 0 0 0 1px var(--line)}
.bar i{display:block;height:100%;background:var(--sage);border-radius:6px}
/* Hero */
.hero{display:grid;grid-template-columns:auto 1fr;gap:32px;align-items:center;background:var(--navy);color:var(--navy-ink);border-radius:18px;padding:28px 32px;position:relative;overflow:hidden}
.hero h1{font-stretch:122%}
.hero .muted{color:inherit;opacity:.75}
.hero .next{margin-top:18px;background:rgba(255,255,255,.07);border-radius:12px;padding:14px 16px;display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.starwrap{position:relative;width:168px;height:168px}
.starwrap svg{width:100%;height:100%;display:block}
.starwrap .pct{position:absolute;inset:0;display:grid;place-items:center;padding-top:14px;font:800 1.6rem/1 var(--display);font-stretch:110%;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.35)}
.starwrap .pct small{display:block;font:600 .64rem/1.2 var(--body);text-align:center;margin-top:2px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.stat b{display:block;font:800 1.9rem/1 var(--display);font-stretch:112%}
.stat span{font-size:.86rem;color:var(--ink-2)}
/* Course card */
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:10px;cursor:pointer;text-align:left;width:100%}
.card:hover{border-color:var(--ink-2)}
.card .cat{font-size:.8rem;color:var(--tan);font-weight:650}
.card p{font-size:.92rem;color:var(--ink-2);margin:0}
.card .foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:.82rem;color:var(--ink-2)}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:6px 14px;cursor:pointer;font-size:.88rem;font-weight:550}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--panel);border-color:var(--ink)}
.search{flex:1;min-width:200px;padding:10px 14px;border-radius:10px;border:1px solid var(--line);background:var(--panel)}
/* Lists */
.list{display:flex;flex-direction:column}
.li{display:flex;align-items:center;gap:14px;padding:12px 0;border-top:1px solid var(--line)}
.li:first-child{border-top:0}
.li .grow{flex:1;min-width:0}
.li .grow b{display:block;font-weight:650}
/* Course player */
.player{display:grid;grid-template-columns:270px 1fr;gap:20px;align-items:start}
.outline{position:sticky;top:20px}
.outline ol{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:2px}
.outline li button{all:unset;cursor:pointer;display:flex;gap:10px;align-items:flex-start;width:100%;padding:8px 10px;border-radius:8px;font-size:.92rem;box-sizing:border-box}
.outline li button:hover{background:var(--panel-2)}
.outline li button[aria-current="step"]{background:var(--panel-2);font-weight:650}
.outline li button:focus-visible{outline:3px solid var(--focus)}
.tick{width:20px;height:20px;border-radius:50%;flex:none;display:grid;place-items:center;font-size:.7rem;font-weight:700;box-shadow:inset 0 0 0 1.5px var(--line);color:var(--ink-2)}
.tick.on{background:var(--sage);box-shadow:none;color:#fff}
.lesson{max-width:70ch}
.lesson h2{font-size:1.6rem;margin-bottom:16px}
.lesson ul{padding-left:1.2em;margin:0 0 1em}
.lesson li{margin-bottom:.35em}
.callout{border-left:4px solid var(--tan);background:var(--tan-soft);padding:12px 16px;border-radius:0 10px 10px 0;margin:0 0 1em;font-size:.95rem}
.q{border-top:1px solid var(--line);padding:18px 0}
.q:first-of-type{border-top:0;padding-top:4px}
.q legend{font-weight:650;margin-bottom:10px;padding:0}
.q fieldset{border:0;margin:0;padding:0}
.opt{display:flex;gap:10px;align-items:flex-start;padding:9px 12px;border-radius:10px;border:1px solid var(--line);margin-bottom:8px;cursor:pointer;background:var(--panel)}
.opt:hover{border-color:var(--ink-2)}
.opt input{margin-top:4px;accent-color:var(--red)}
.opt.right{border-color:var(--sage);background:var(--sage-soft)}
.opt.wrong{border-color:var(--red);background:var(--red-soft)}
.why{font-size:.9rem;color:var(--ink-2);margin-top:4px}
.cert{display:grid;grid-template-columns:96px 1fr;gap:18px;align-items:center;border:2px solid var(--tan);border-radius:14px;padding:18px;background:var(--panel)}
/* Tables */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
table{border-collapse:collapse;width:100%;font-size:.9rem}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-weight:650;color:var(--ink-2);background:var(--panel-2);font-size:.82rem}
tr:last-child td{border-bottom:0}
td.num{font-variant-numeric:tabular-nums}
.heat{display:inline-block;min-width:52px;text-align:center;border-radius:6px;padding:3px 6px;font-weight:650;font-variant-numeric:tabular-nums}
/* Coach */
.chat{display:flex;flex-direction:column;gap:12px;min-height:280px;max-height:60vh;overflow:auto;padding:4px}
.msg{max-width:75ch;padding:12px 16px;border-radius:14px;white-space:pre-wrap}
.msg.me{align-self:flex-end;background:var(--ink);color:var(--panel);border-bottom-right-radius:4px}
.msg.bot{align-self:flex-start;background:var(--panel-2);border:1px solid var(--line);border-bottom-left-radius:4px}
.composer{display:flex;gap:10px;margin-top:12px}
.composer input{flex:1;padding:12px 14px;border-radius:999px;border:1px solid var(--line);background:var(--panel)}
.suggest{display:flex;gap:8px;flex-wrap:wrap}
/* Forms */
label.f{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:.9rem}
label.f input,label.f select,label.f textarea{padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--panel);font-weight:400}
textarea{resize:vertical}
.checks{display:flex;gap:14px;flex-wrap:wrap;font-size:.92rem}
.checks label{display:flex;gap:6px;align-items:center}
/* Overlay */
.overlay{position:fixed;inset:0;background:rgba(10,16,28,.6);display:grid;place-items:center;padding:16px;z-index:50}
.modal{background:var(--panel);border-radius:18px;max-width:520px;width:100%;padding:28px;max-height:90vh;overflow:auto}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--panel);padding:10px 18px;border-radius:999px;font-weight:600;font-size:.9rem;z-index:60}
.empty{padding:28px;text-align:center;color:var(--ink-2)}
.mobile-top{display:none}
@media (max-width: 880px){
  .app{grid-template-columns:1fr}
  .side{position:sticky;top:0;height:auto;padding:12px 12px 8px;gap:10px;z-index:20;padding-top:calc(12px + env(safe-area-inset-top,0px))}
  .side .who{display:none}
  .nav{flex-direction:row;overflow-x:auto;gap:4px;padding-bottom:4px}
  .nav button{white-space:nowrap;padding:8px 12px}
  .nav button[aria-current="page"]{box-shadow:inset 0 -3px 0 var(--tan)}
  .nav .sep{display:none}
  .hero{grid-template-columns:1fr;padding:22px}
  .starwrap{width:128px;height:128px}
  .player{grid-template-columns:1fr}
  .outline{position:static}
  .stats{grid-template-columns:repeat(3,1fr)}
  .mobile-top{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;margin-bottom:16px}
}
@media (prefers-reduced-motion: no-preference){
  .starfill{transition:transform .9s cubic-bezier(.2,.8,.2,1)}
}

/* ---- Link versions of the original button-based controls (same look) ---- */
a.card,a.chip{color:inherit;text-decoration:none}
a.chip{display:inline-block}
.nav a{all:unset;cursor:pointer;display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;font-weight:500;font-size:.95rem;color:inherit;opacity:.82}
.nav a:hover{opacity:1;background:rgba(255,255,255,.06)}
.nav a[aria-current="page"]{opacity:1;background:rgba(255,255,255,.1);box-shadow:inset 3px 0 0 var(--tan)}
.nav a:focus-visible{outline:3px solid var(--focus)}
.nav a svg{width:18px;height:18px;flex:none}
.who a{all:unset;cursor:pointer;color:var(--tan);font-weight:600;margin-top:6px;display:inline-block}
.who a:focus-visible{outline:3px solid var(--focus)}
.outline li a{all:unset;cursor:pointer;display:flex;gap:10px;align-items:flex-start;width:100%;padding:8px 10px;border-radius:8px;font-size:.92rem;box-sizing:border-box}
.outline li a:hover{background:var(--panel-2)}
.outline li a[aria-current="step"]{background:var(--panel-2);font-weight:650}
.outline li a:focus-visible{outline:3px solid var(--focus)}
.chip-form{display:inline}
@media (max-width: 880px){
  .nav a{white-space:nowrap;padding:8px 12px}
  .nav a[aria-current="page"]{box-shadow:inset 0 -3px 0 var(--tan)}
}