/* Course marketplace: green brand band with a big search, filter chips, a responsive card grid; course pages pair a rating summary with the review list. */
:root{
  --brand:#0b5d45; --brand-2:#0f7a5b; --brand-ink:#ffffff; --gold:#ffb81c; --gold-ink:#3a2a00;
  --bg:#f5f7f6; --surface:#ffffff; --ink:#0f1f1a; --muted:#5d6b66; --line:#e1e7e4; --soft:#edf3f0; --warn:#b4401c;
  --shadow:0 1px 2px rgba(15,31,26,.06),0 4px 14px rgba(15,31,26,.06);
  --f-display:"Bricolage Grotesque","Plus Jakarta Sans",system-ui,sans-serif;
  --f-body:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --r:14px;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root{
  --brand:#0c6a4f; --brand-2:#3ccf9c; --bg:#080d0b; --surface:#131c19; --ink:#f1f6f4; --muted:#a8b8b2; --line:#2a3833; --soft:#1d2a26; --warn:#ff9a73;
  --shadow:0 0 0 1px #24322d,0 8px 24px rgba(0,0,0,.45); color-scheme:dark}}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.55}
a{color:var(--brand-2)}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(18px,env(safe-area-inset-left,0px));padding-right:max(18px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--f-display);letter-spacing:-.02em;margin:0;text-wrap:balance}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font:700 14px var(--f-body);border:0;border-radius:999px;padding:10px 18px;cursor:pointer;background:var(--gold);color:var(--gold-ink);text-decoration:none;white-space:nowrap}
.btn:hover{filter:brightness(1.05)}
.btn.ghost{background:transparent;color:inherit;box-shadow:inset 0 0 0 1.5px currentColor}
.btn.block{width:100%;padding:13px}
.btn.small{padding:6px 12px;font-size:13px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.linkbtn{background:none;border:0;color:var(--warn);font:600 13px var(--f-body);cursor:pointer;padding:0;text-decoration:underline}

/* top bar */
.bar{background:var(--brand);color:var(--brand-ink);position:sticky;top:0;z-index:20;padding-top:env(safe-area-inset-top,0px)}
.bar-in{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px}
.logo{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;font:600 18px var(--f-display);letter-spacing:-.01em}
.logo svg{width:32px;height:32px}
.logo-bg{fill:rgba(255,255,255,.12)}
.logo-spark{fill:var(--gold)}
.logo b{color:var(--gold);font-weight:800}
.bar-nav{display:flex;align-items:center;gap:8px}
.bar .btn.ghost{color:#fff}
@media (max-width:640px){.hide-sm{display:none}.logo span{font-size:16px}}

/* hero */
.hero{background:var(--brand);color:var(--brand-ink);padding-block:28px 30px}
.hero-in{display:flex;flex-direction:column;gap:10px}
.eyebrow{margin:0;color:var(--gold);font-weight:700;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase}
.hero h1{font-size:clamp(32px,6vw,58px);line-height:1.02;font-weight:800;max-width:16ch}
.hero .sub{margin:0;opacity:.9;max-width:56ch;font-size:16.5px}
.bigsearch{display:flex;align-items:center;gap:12px;background:var(--surface);color:var(--ink);border-radius:999px;padding:6px 8px 6px 20px;margin-top:12px;box-shadow:0 10px 30px rgba(0,0,0,.18);max-width:760px}
.bigsearch svg{width:22px;height:22px;flex:none;stroke:var(--muted);stroke-width:2.2;fill:none;stroke-linecap:round}
.bigsearch input{flex:1;min-width:0;border:0;background:transparent;font:500 16px var(--f-body);color:var(--ink);padding:12px 0;outline:none}
.stats{margin:6px 0 0;color:rgba(255,255,255,.82);font-size:13.5px;font-weight:600}
.bigsearch{background:#fff;color:#0f1f1a}
.bigsearch input{color:#0f1f1a}
.bigsearch input::placeholder{color:#6b7a75}

/* toolbar */
.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-top:22px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{font:600 13.5px var(--f-body);background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:999px;padding:8px 14px;cursor:pointer}
.chip:hover{border-color:var(--brand-2)}
.chip.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.sortsel{display:flex;align-items:center;gap:8px;font-weight:600;font-size:13px;color:var(--muted)}
select,input,textarea{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:100%}
.sortsel select{width:auto;padding:7px 10px}
textarea{min-height:130px;resize:vertical}
.count{color:var(--muted);font-size:13px;margin:14px 0 10px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
.card{background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow);padding:18px;display:flex;flex-direction:column;gap:12px;cursor:pointer;border:1px solid transparent;transition:transform .15s,border-color .15s;min-width:0;text-align:left;color:inherit;font:inherit}
.card:hover{transform:translateY(-2px);border-color:var(--brand-2)}
.card.skeleton{min-height:210px;background:linear-gradient(90deg,var(--surface),var(--soft),var(--surface));cursor:default}
.ctop{display:flex;gap:12px;align-items:center;min-width:0}
.avatar{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font:800 16px var(--f-display);color:#fff;flex:none;letter-spacing:0}
.avatar.big{width:72px;height:72px;border-radius:18px;font-size:26px}
.provider{margin:0;color:var(--muted);font-size:13px;font-weight:600;overflow-wrap:anywhere}
.card h3{font:700 17px/1.3 var(--f-body);letter-spacing:-.01em;overflow-wrap:anywhere}
.rating{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.rating .score{font:800 15px var(--f-display);color:var(--ink)}
.stars{color:var(--gold);letter-spacing:1px;white-space:nowrap}
.stars .off{color:var(--line)}
.rating.none{color:var(--brand-2);font-weight:600}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{font:600 12px var(--f-body);padding:3px 9px;border-radius:999px;background:var(--soft);color:var(--ink)}
.tag.free{background:#ddf3e8;color:#0b5d45}
@media (prefers-color-scheme: dark){.tag.free{background:#123d30;color:#7fe0b8}}
.cfoot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:12px;border-top:1px solid var(--line)}
.fee{font-weight:700;font-size:14px}
.fee.na{color:var(--muted);font-weight:500}
.go{font-weight:700;font-size:13px;color:var(--brand-2)}
.empty{color:var(--muted);padding:28px 0;grid-column:1/-1}
.missing{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;padding:16px 20px;border:1.5px dashed var(--line);border-radius:var(--r)}

/* latest */
.latest{margin-top:40px}
.latest h2{font-size:26px;margin-bottom:14px}
.latest-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}

/* review */
.review{background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow);padding:18px 20px;min-width:0}
.rtop{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center;justify-content:space-between}
.rtop h3{font:700 16px var(--f-body);letter-spacing:0;overflow-wrap:anywhere}
.rcourse{margin:4px 0 0;font-size:13px;color:var(--brand-2);font-weight:600;cursor:pointer;background:none;border:0;padding:0;text-align:left}
.body{margin:10px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}
.clamp{display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.subs{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.rec{font:700 12px var(--f-body);padding:3px 9px;border-radius:999px;background:#ddf3e8;color:#0b5d45}
.rec.no{background:#fbe5dc;color:#a2401d}
@media (prefers-color-scheme: dark){.rec{background:#123d30;color:#7fe0b8}.rec.no{background:#40221a;color:#f5a487}}
.rfoot{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;justify-content:space-between;margin-top:12px;font-size:13px;color:var(--muted)}
.who{display:flex;align-items:center;gap:8px}
.dot{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--soft);font:700 12px var(--f-body);color:var(--ink)}
.acts{display:flex;gap:12px}

/* detail */
#detail{padding-top:20px}
.back{display:inline-block;font-weight:600;text-decoration:none;margin-bottom:16px}
.dhead{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:18px;align-items:center;background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow);padding:22px}
.dtitle h1{font-size:clamp(24px,3.4vw,34px);line-height:1.1;margin:2px 0 10px}
.dcta{display:flex;flex-direction:column;gap:8px}
.dcta .btn.ghost{color:var(--ink)}
@media (max-width:760px){.dhead{grid-template-columns:auto minmax(0,1fr)}.dcta{grid-column:1/-1;flex-direction:row;flex-wrap:wrap}}
.dnotes{color:var(--muted);margin:12px 4px 0;max-width:80ch}
.dgrid{display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:24px;margin-top:22px;align-items:start}
@media (max-width:860px){.dgrid{grid-template-columns:minmax(0,1fr)}}
.summary{background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow);padding:20px;display:flex;flex-direction:column;gap:16px;position:sticky;top:84px}
@media (max-width:860px){.summary{position:static}}
.big-score{display:flex;align-items:center;gap:14px}
.big-score .n{font:800 52px/1 var(--f-display)}
.big-score .stars{font-size:18px}
.dist{display:grid;grid-template-columns:auto 1fr auto;gap:6px 10px;align-items:center;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.dist .track{height:8px;border-radius:99px;background:var(--soft);overflow:hidden}
.dist .fill{height:100%;background:var(--gold);border-radius:99px}
.subavg{display:grid;gap:8px;font-size:14px}
.subavg div{display:flex;justify-content:space-between;gap:10px}
.subavg b{font-variant-numeric:tabular-nums}
.recpct{font-size:14px;padding:12px;border-radius:10px;background:var(--soft)}
.recpct b{font:800 20px var(--f-display);color:var(--brand-2)}
.facts{display:grid;gap:6px;font-size:13.5px;border-top:1px solid var(--line);padding-top:14px}
.facts div{display:flex;justify-content:space-between;gap:10px}
.facts span{color:var(--muted)}
.facts b{text-align:right;overflow-wrap:anywhere}
.rhead{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-bottom:12px}
.rhead h2{font-size:22px}
.reviews{display:flex;flex-direction:column;gap:14px}
.firstcta{background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow);padding:26px;text-align:center;display:grid;gap:10px;justify-items:center}

/* dialogs */
.dlg{border:0;border-radius:18px;padding:26px;width:min(440px,calc(100vw - 24px));background:var(--surface);color:var(--ink);box-shadow:0 30px 80px rgba(0,0,0,.35);max-height:calc(100dvh - 24px)}
.dlg.wide{width:min(640px,calc(100vw - 24px))}
.dlg::backdrop{background:rgba(8,20,16,.55)}
.dlg h2{font-size:24px;margin-bottom:6px;padding-right:30px}
.dlg-x{position:absolute;top:14px;right:14px;margin:0}
.dlg-x button{background:var(--soft);border:0;width:34px;height:34px;border-radius:50%;font-size:20px;line-height:1;cursor:pointer;color:var(--ink)}
.stack{display:grid;gap:14px;margin-top:14px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field>span{font-weight:700;font-size:13px}
.hint{color:var(--muted);font-size:13px;margin:0}
.row2{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.row3{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.rate{display:flex;gap:2px}
.rate button{background:none;border:0;font-size:24px;line-height:1;cursor:pointer;color:var(--line);padding:2px}
.rate.lg button{font-size:36px}
.rate button.on{color:var(--gold)}
.seg{display:flex;background:var(--soft);border-radius:999px;padding:4px;gap:4px}
.seg label{flex:1;cursor:pointer}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:block;text-align:center;padding:8px 10px;border-radius:999px;font-weight:600;font-size:14px}
.seg input:checked+span{background:var(--surface);box-shadow:var(--shadow)}
.seg input:focus-visible+span{outline:3px solid var(--gold)}
.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.msg{font-size:14px;margin:0}
.msg.err{color:var(--warn)}
.label{font:700 12px var(--f-body);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:18px 0 0}
.pend{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:10px;padding:10px 12px}

.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:12px 18px;border-radius:999px;font-weight:600;z-index:50;box-shadow:var(--shadow);max-width:calc(100vw - 32px)}

.foot{margin-top:56px;padding-block:24px 36px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.foot p{max-width:86ch;margin:0}
@media (prefers-reduced-motion:reduce){.card{transition:none}.card:hover{transform:none}}

/* sections */
#sections{display:flex;flex-direction:column;gap:44px;margin-top:26px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:14px}
.sec-head h2{font-size:clamp(22px,3vw,28px);font-weight:800}
.sec-sub{margin:2px 0 0;color:var(--muted);font-size:14px}
.more{margin-top:16px;color:var(--ink)}

/* card refinements */
.card{gap:10px}
.card h3{margin-top:2px}
.ctype{margin:1px 0 0;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--brand-2)}
.facts-line{margin:0;color:var(--muted);font-size:13.5px;font-weight:500}
.cfoot{padding-top:12px}
.freebadge{background:#ddf3e8;color:#0b5d45;padding:3px 10px;border-radius:999px;font-size:13px}
@media (prefers-color-scheme: dark){.freebadge{background:#123d30;color:#7fe0b8}}
.go{margin-left:auto}
.avatar.logo-tile{background:#fff!important;box-shadow:inset 0 0 0 1px rgba(15,31,26,.08);padding:7px}
.avatar.big.logo-tile{padding:12px}
.avatar img{width:100%;height:100%;object-fit:contain;display:block}
@media (prefers-color-scheme: dark){.card:hover{border-color:var(--brand-2)}.chip{background:var(--surface)}.chip.on{background:var(--ink);color:var(--bg)}}

/* reviews elsewhere */
.ext{display:grid;gap:8px;border-top:1px solid var(--line);padding-top:14px}
.ext-title{font:700 15px var(--f-body);letter-spacing:0}
.ext .hint{font-size:12.5px;margin-top:-4px}
.ext-row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;background:var(--soft);color:inherit;text-decoration:none}
.ext-row:hover{outline:1.5px solid var(--brand-2)}
.ext-l{display:flex;flex-direction:column;min-width:0}
.ext-l small{color:var(--muted);font-size:12px;overflow-wrap:anywhere}
.ext-r{display:flex;flex-direction:column;align-items:flex-end;flex:none;font-variant-numeric:tabular-nums}
.ext-score{font:800 18px var(--f-display)}
.ext-r .stars{font-size:11px}
.ext-r small{color:var(--muted);font-size:11.5px}
.ext-go{font-weight:700;font-size:12.5px;color:var(--brand-2);white-space:nowrap}
.ext-hint{margin:0;font-size:12.5px;color:var(--muted);font-weight:600}