/* CourseAcademia — navy & gold brand from the logo, white working surfaces */
:root{
  --bg:#FFFFFF; --bg2:#F3F5FA; --ink:#0B1633; --muted:#55607A; --line:#DDE2EE; --line2:#C5CDE0;
  --navy:#081A45; --navy2:#0F2A66; --accent:#13317A; --accent-ink:#0B1F55; --accent-soft:#E8EDF8;
  --gold:#E2A72B; --gold2:#F4C85A; --gold-ink:#7A5200; --gold-soft:#FDF3DA;
  --amber:#A86F00; --amber-soft:#FDF4DC; --red:#BC3B27; --red-soft:#FBE9E5; --green:#2C8452; --green-soft:#E3F3EA;
  --display:'Montserrat','Segoe UI',Tahoma,sans-serif;
  --body:'Atkinson Hyperlegible',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,Consolas,monospace;
  --r:8px; color-scheme:light;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.55;-webkit-text-size-adjust:100%}
a{color:var(--accent)} a:hover{color:var(--accent-ink)}
h1,h2,h3,h4{font-family:var(--display);font-weight:800;line-height:1.15;margin:0;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:clamp(26px,3.4vw,36px)} h2{font-size:22px} h3{font-size:18px}
p{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.mono{font-family:var(--mono)} .muted{color:var(--muted)} .small{font-size:14px} .nowrap{white-space:nowrap}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:600}
.stack{display:grid;gap:16px} .stack-s{display:grid;gap:8px} .stack-l{display:grid;gap:28px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap} .row.between{justify-content:space-between} .grow{flex:1}
.wrap{max-width:1200px;margin:0 auto;padding-inline:20px}

/* buttons & forms */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font:700 15px var(--body);border:1.5px solid var(--ink);background:var(--bg);color:var(--ink);
  border-radius:6px;padding:9px 16px;cursor:pointer;text-decoration:none;line-height:1.2;white-space:nowrap}
.btn:hover{background:var(--bg2);color:var(--ink)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff} .btn.primary:hover{background:var(--accent-ink);color:#fff}
.btn.danger{border-color:var(--red);color:var(--red)} .btn.danger:hover{background:var(--red-soft)}
.btn.ok{background:var(--green);border-color:var(--green);color:#fff}
.btn.gold{background:var(--gold);border-color:var(--gold);color:var(--navy)} .btn.gold:hover{background:var(--gold2);border-color:var(--gold2);color:var(--navy)}
.btn.onnavy{background:transparent;border-color:rgba(255,255,255,.55);color:#fff} .btn.onnavy:hover{background:rgba(255,255,255,.1);color:#fff}
.btn.ghost{border-color:var(--line2)}
.btn.s{padding:5px 10px;font-size:13.5px}
.btn.big{padding:13px 22px;font-size:17px}
.btn.block{width:100%}
form.inline{display:inline}
label{display:grid;gap:5px;font-weight:700;font-size:14.5px}
label .hint{font-weight:400;color:var(--muted);font-size:13.5px}
input[type=text],input[type=password],input[type=email],input[type=tel],input[type=number],input[type=url],input[type=search],select,textarea{
  font:16px var(--body);color:var(--ink);background:#fff;border:1.5px solid var(--line2);border-radius:6px;padding:9px 11px;width:100%;min-width:0}
textarea{min-height:110px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px var(--accent-soft)}
input[type=file]{font:14px var(--body);max-width:100%}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:400}
.check input{margin-top:4px;width:18px;height:18px;accent-color:var(--accent)}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}

/* surfaces */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;min-width:0}
.card.tight{padding:14px}
.card h2{margin-bottom:12px}
.panel{border:1.5px solid var(--ink);border-radius:var(--r);padding:20px;background:#fff}
.note{border-radius:6px;padding:12px 14px;font-size:15px}
.note.ok{background:var(--green-soft);color:#1c5c38} .note.err{background:var(--red-soft);color:#8b2a1b}
.note.warn{background:var(--amber-soft);color:#6e4900} .note.info{background:var(--accent-soft);color:var(--accent-ink)}
.flash{margin-bottom:18px}
.pill{display:inline-block;font:600 12px var(--mono);letter-spacing:.04em;text-transform:uppercase;padding:3px 8px;border-radius:20px;border:1px solid currentColor;white-space:nowrap}
.pill.pending{color:var(--amber);background:var(--amber-soft)} .pill.approved,.pill.active,.pill.published{color:var(--green);background:var(--green-soft)}
.pill.rejected,.pill.blocked,.pill.revoked,.pill.expired{color:var(--red);background:var(--red-soft)} .pill.draft{color:var(--muted);background:var(--bg2)}
.pill.preview{color:var(--accent);background:var(--accent-soft)}
.empty{text-align:center;color:var(--muted);padding:28px 10px;border:1.5px dashed var(--line2);border-radius:var(--r)}

/* tables */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r)}
table.t{border-collapse:collapse;width:100%;font-size:14.5px;background:#fff}
table.t th{background:var(--bg2);font:600 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);text-align:left;padding:9px 12px;white-space:nowrap}
table.t td{padding:10px 12px;border-top:1px solid var(--line);vertical-align:middle}
table.t tr:hover td{background:#FAFCFC}
.num{font-variant-numeric:tabular-nums;text-align:right}

/* price */
.price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.price s{color:var(--muted);font-size:15px}
.price b{font-family:var(--display);font-size:24px;color:var(--ink)}
.price em{font-style:normal;font:700 12px var(--mono);background:var(--gold);color:var(--navy);padding:3px 7px;border-radius:4px;letter-spacing:.04em}
.price.lg b{font-size:34px}

/* progress */
.bar{height:8px;background:var(--bg2);border:1px solid var(--line);border-radius:5px;overflow:hidden}
.bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--gold2))}

/* ---------- site header (public + student) ---------- */
.topbar{background:var(--navy);border-bottom:3px solid var(--gold);position:sticky;top:env(safe-area-inset-top,0px);z-index:20;color:#fff}
.topbar .wrap{display:flex;align-items:center;gap:18px;min-height:64px;flex-wrap:wrap;padding-block:8px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;font:800 21px var(--display);letter-spacing:-.01em}
.brand img{height:40px;width:auto;flex:none}
.wordmark{white-space:nowrap}.wordmark b{color:var(--gold);font-weight:800}
.brand:hover{color:#fff}
.nav{display:flex;gap:4px;flex-wrap:wrap;flex:1}
.nav a{color:#DCE3F5;text-decoration:none;font-weight:700;font-size:15px;padding:8px 12px;border-radius:6px}
.nav a:hover{background:rgba(255,255,255,.08);color:#fff} .nav a.on{background:rgba(226,167,43,.16);color:var(--gold2)}
.who{display:flex;align-items:center;gap:10px;font-size:14px}
.who .id{font-family:var(--mono);font-size:12.5px;color:#AFC0E6}
.topbar .btn.ghost{color:#fff;border-color:rgba(255,255,255,.45);background:transparent}.topbar .btn.ghost:hover{background:rgba(255,255,255,.1)}
.topbar .btn.primary{background:var(--gold);border-color:var(--gold);color:var(--navy)}
main.page{padding-block:28px 60px}
.page-head{display:flex;justify-content:space-between;align-items:end;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.page-head p{color:var(--muted);margin-top:6px}
footer.site{border-top:1px solid var(--line);color:var(--muted);font-size:14px;padding-block:22px;margin-top:40px}

/* hero */
.hero{background:radial-gradient(1200px 500px at 80% 20%,#14306f 0%,transparent 60%),var(--navy);color:#fff;border-bottom:3px solid var(--gold)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:36px;align-items:center;padding-block:56px}
.hero .eyebrow{color:var(--gold2)}
.hero h1{font-size:clamp(36px,5.6vw,64px);line-height:1.02;font-weight:800}
.hero h1 span{color:var(--gold)}
.hero p.lead{font-size:19px;margin-top:18px;max-width:34em;color:#DCE3F5}
.hero .facts{display:flex;gap:28px;flex-wrap:wrap;margin-top:28px;font-family:var(--mono);font-size:13px;color:#AFC0E6}
.hero .facts b{display:block;font-family:var(--display);font-weight:800;font-size:28px;color:#fff}
.hero .logo{justify-self:center;width:min(100%,460px);height:auto;filter:drop-shadow(0 12px 30px rgba(0,0,0,.35))}
.how{background:var(--bg2);border-bottom:1px solid var(--line)}
.how .wrap{padding-block:34px}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;list-style:none;margin:16px 0 0;padding:0}
.steps li{counter-increment:s;display:grid;grid-template-columns:34px minmax(0,1fr);gap:10px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px}
.steps li::before{content:counter(s);width:30px;height:30px;border-radius:50%;background:var(--gold);color:var(--navy);font:700 14px var(--mono);display:flex;align-items:center;justify-content:center}

/* course cards */
.courses{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:20px}
.ccard{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;min-width:0}
.ccard:hover{border-color:var(--gold)}
.thumb{aspect-ratio:16/9;max-width:100%;background:var(--navy);display:block;position:relative;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb .ph{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:16px;color:#fff;
  background:radial-gradient(400px 220px at 85% 10%,#1d3f8f 0%,transparent 70%),linear-gradient(135deg,var(--navy2) 0%,var(--navy) 100%)}
.thumb .ph img.m{position:absolute;right:14px;top:12px;height:44%;width:auto;opacity:.9}
.thumb .ph::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:22px 22px}
.thumb .ph b{position:relative;font:700 22px var(--display);line-height:1.1}
.thumb .ph span{position:relative;font:600 11px var(--mono);letter-spacing:.14em;color:var(--gold2);margin-bottom:6px}
.thumb .off{position:absolute;top:12px;left:12px;font:700 12px var(--mono);background:var(--gold);color:var(--navy);padding:4px 8px;border-radius:4px}
.ccard .body{padding:16px;display:grid;gap:10px;flex:1;align-content:start}
.ccard h3{font-size:19px}
.ccard .meta{display:flex;gap:12px;flex-wrap:wrap;font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.ccard .foot{padding:14px 16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}

/* course page */
.course-top{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:28px;align-items:start}
.buybox{position:sticky;top:84px;display:grid;gap:14px}
.lessons{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.lessons li{display:grid;grid-template-columns:36px minmax(0,1fr) auto;gap:10px;align-items:center;padding:12px 14px;border-top:1px solid var(--line)}
.lessons li:first-child{border-top:0}
.lessons .n{font:600 13px var(--mono);color:var(--muted)}
.lessons .lt{font-weight:700}
.lessons .ld{color:var(--muted);font-size:14px}
.desc p+p{margin-top:10px}

/* bank details */
.bank{border:2px solid var(--green);border-radius:10px;overflow:hidden}
.bank .bh{background:var(--green-soft);padding:12px 16px;display:flex;align-items:center;gap:10px;font:700 17px var(--display);color:#1c5c38}
.bank dl{margin:0;display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:0}
.bank dt,.bank dd{padding:11px 16px;border-top:1px solid var(--line);margin:0}
.bank dt{font:600 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);align-self:center}
.bank dd{font:700 17px var(--mono);overflow-wrap:anywhere}
.bank .cp{border-top:1px solid var(--line);padding:6px 10px;display:flex;align-items:center}
.amount{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;background:var(--amber-soft);border-radius:8px;padding:14px 16px}
.amount b{font:700 28px var(--display)}

/* ---------- admin shell ---------- */
.admin{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh}
.side{background:var(--navy);color:#CFD8EE;padding:18px 12px;position:sticky;top:0;height:100vh;overflow:auto}
.side .brand{color:#fff;font-size:17px;padding:4px 8px 16px}.side .brand img{height:34px}
.side nav{display:grid;gap:2px}
.side nav a{color:#CFD8EE;text-decoration:none;padding:9px 12px;border-radius:6px;font-weight:700;font-size:15px;display:flex;justify-content:space-between;align-items:center}
.side nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.side nav a.on{background:var(--gold);color:var(--navy)}
.side nav .sep{font:600 11px var(--mono);letter-spacing:.14em;color:#8193BF;padding:16px 12px 6px}
.side .badge{background:var(--gold);color:var(--navy)!important;color:#fff;font:700 12px var(--mono);padding:1px 8px;border-radius:10px}
.side form{margin-top:18px;padding:0 8px}
.side .btn{color:#fff;border-color:#3B4F86;background:transparent;width:100%}
.amain{padding:26px clamp(16px,3vw,36px) 60px;min-width:0;background:#FBFCFD}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px}
.stat .k{font:600 12px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.stat .v{font:700 28px var(--display);margin-top:4px;font-variant-numeric:tabular-nums}
.stat.hl{border-color:var(--amber);background:var(--amber-soft)}
.cols{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:20px;align-items:start}
.kv{display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 16px;font-size:15px}
.kv dt{color:var(--muted)} .kv dd{margin:0;font-weight:700;overflow-wrap:anywhere}
.shot{border:1px solid var(--line);border-radius:var(--r);background:var(--bg2);display:block}
.shot img{display:block;max-height:640px;margin:0 auto}
.cred{border:2px dashed var(--gold);border-radius:10px;padding:18px;background:var(--accent-soft)}
.cred .big{font:700 24px var(--mono);color:var(--navy)}
.chart{display:flex;align-items:flex-end;gap:10px;height:150px;padding-top:10px}
.chart .c{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;min-width:0}
.chart .c i{display:block;width:100%;max-width:56px;background:var(--gold);border-radius:4px 4px 0 0;min-height:2px}
.chart .c span{font:600 11.5px var(--mono);color:var(--muted)}
.chart .c b{font:600 11.5px var(--mono)}

/* ---------- learning player ---------- */
.learn{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px;align-items:start}
.learn.wide{grid-template-columns:minmax(0,1fr)}
.learn.wide .outline{position:static;max-height:none}
.player-wrap{position:relative;background:#000;border-radius:10px;overflow:hidden;aspect-ratio:16/9;max-width:100%;user-select:none;-webkit-user-select:none}
.player-wrap.html{background:#fff;aspect-ratio:auto;height:min(80vh,900px);min-height:560px;border:1px solid var(--line)}
.player-wrap.pdf{aspect-ratio:auto;height:80vh;background:#fff}
.player-wrap:fullscreen{border-radius:0;height:100vh;aspect-ratio:auto}
.player-wrap video,.player-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block;background:transparent}
.wm{position:absolute;left:0;right:0;z-index:5;pointer-events:none;overflow:hidden;white-space:nowrap;height:26px;display:flex;align-items:center}
.wm.top{top:0} .wm.bot{bottom:0}
.wm span{display:inline-block;padding-left:100%;font:600 13px var(--mono);color:rgba(19,36,43,.30);text-shadow:0 0 2px rgba(255,255,255,.6);animation:wm 38s linear infinite;letter-spacing:.05em}
.wm.bot span{animation-duration:46s;animation-direction:reverse}
.player-wrap.video .wm span,.player-wrap.embed .wm span{color:rgba(255,255,255,.34);text-shadow:0 0 2px rgba(0,0,0,.5)}
@keyframes wm{from{transform:translateX(0)}to{transform:translateX(-100%)}}
.wmf{position:absolute;z-index:5;pointer-events:none;font:600 14px var(--mono);color:rgba(19,36,43,.16);transition:top 1.5s,left 1.5s;white-space:nowrap}
.player-wrap.video .wmf{color:rgba(255,255,255,.2)}
.shield{position:absolute;inset:0;z-index:9;background:var(--navy);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:20px}
.shield b{font:700 22px var(--display)}
.pbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:12px}
.outline{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;position:sticky;top:84px;max-height:calc(100vh - 100px);display:flex;flex-direction:column}
.outline .oh{padding:14px;border-bottom:1px solid var(--line);display:grid;gap:8px}
.outline ol{list-style:none;margin:0;padding:0;overflow:auto}
.outline li a{display:grid;grid-template-columns:24px minmax(0,1fr);gap:8px;padding:10px 14px;text-decoration:none;color:var(--ink);border-top:1px solid var(--line);font-size:14.5px;line-height:1.35}
.outline li:first-child a{border-top:0}
.outline li a:hover{background:var(--bg2)} .outline li a.on{background:var(--accent-soft);font-weight:700}
.outline .ck{width:20px;height:20px;border-radius:50%;border:1.5px solid var(--line2);display:flex;align-items:center;justify-content:center;font-size:12px;color:#fff;margin-top:1px}
.outline .ck.done{background:var(--green);border-color:var(--green)}
.outline .lock{color:var(--muted)}
.noselect{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
@media print{body.protected *{display:none!important}}

/* auth pages */
.auth{min-height:calc(100vh - 140px);display:grid;place-items:center;padding:30px 16px}
.auth .panel{width:100%;max-width:420px}
.authlogo{display:flex;justify-content:center;background:var(--navy);border-radius:10px;padding:18px;margin:-4px 0 4px}
.authlogo img{height:96px;width:auto}
footer.site b{color:var(--ink)}

@media (max-width:980px){
  .admin{grid-template-columns:minmax(0,1fr)}
  .side{position:static;height:auto}
  .side nav{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
  .side nav .sep{display:none}
  .cols,.course-top,.learn,.hero .wrap{grid-template-columns:minmax(0,1fr)}
  .buybox,.outline{position:static;max-height:none}
  .player-wrap.html{height:75vh;min-height:480px}
}
@media (max-width:560px){
  .wrap{padding-inline:16px}
  .topbar{position:static}
  .topbar .wrap{gap:8px 12px}
  .topbar .nav{order:3;flex-basis:100%;flex-wrap:nowrap;overflow-x:auto}
  .topbar .who{margin-left:auto}
  .brand span{font-size:17px}
  .bank dl{grid-template-columns:minmax(0,1fr) auto}
  .bank dt{grid-column:1/-1;padding-bottom:0;border-top:1px solid var(--line)}
  .bank dd{border-top:0}
  .bank .cp{border-top:0}
}
@media (prefers-reduced-motion:reduce){.wm span{animation:none}}