/* The courses' pages: the catalogue (/courses/), a course (/course/), the students' area (/learn/). */
.lc-hero{padding:56px 0 28px}
.lc-hero h1{font-size:clamp(28px,4vw,42px);line-height:1.2;margin:6px 0 0}
.lc-hero p.lede{font-size:17px;color:var(--ink-2);margin-top:12px;max-width:42em}
.lc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;padding-bottom:70px}
.lc-grid{align-items:stretch}
.lc-card{height:100%;box-sizing:border-box;display:flex;flex-direction:column;border-radius:var(--r);background:var(--card);border:1px solid var(--line);overflow:hidden;text-decoration:none;color:inherit;transition:transform .2s,border-color .2s}
.lc-card:hover{transform:translateY(-3px);border-color:var(--gold)}
.lc-cover{aspect-ratio:16/9;background:linear-gradient(135deg,#1d1929,#3a2f12);display:grid;place-items:center;overflow:hidden}
.lc-cover img{width:100%;height:100%;object-fit:cover;display:block}
.lc-cover svg{width:54px;height:54px;fill:none;stroke:var(--gold);stroke-width:1.5}
.lc-body{display:flex;flex-direction:column;gap:8px;padding:16px 18px 18px;flex:1}
.lc-body h3{margin:0;font-size:18px;line-height:1.4}
.lc-body p{margin:0;color:var(--ink-2);font-size:14.5px;flex:1}
.lc-meta{display:flex;flex-wrap:wrap;gap:6px;font-size:12.5px}
.lc-meta span{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;background:var(--gold-soft);color:var(--gold-2);font-weight:600}
.lc-meta svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2}
.lc-price{display:flex;align-items:baseline;gap:8px;border-top:1px solid var(--line);padding-top:12px;font-size:20px;font-weight:700}
.lc-price s{font-size:14px;color:var(--ink-3);font-weight:500}
.lc-empty{text-align:center;padding:50px 20px;border-radius:var(--r);background:var(--card);border:1px dashed var(--line);margin-bottom:70px}
.lc-empty svg{width:56px;height:56px;fill:none;stroke:var(--gold);stroke-width:1.5}
.lc-empty h2{font-size:22px;margin:10px 0 6px}
.lc-empty p{color:var(--ink-3);margin:0}

/* a course */
.cd{display:grid;grid-template-columns:1.4fr .9fr;gap:28px;align-items:start;padding:40px 0 70px}
@media (max-width:900px){.cd{grid-template-columns:1fr}}
.cd h1{font-size:clamp(26px,3.6vw,38px);line-height:1.25;margin:6px 0 10px}
.cd .sub{font-size:17px;color:var(--ink-2);margin:0 0 16px}
.cd-desc p{margin:0 0 12px;line-height:1.9}
.cd-desc ul{margin:0 0 12px;padding-inline-start:20px}
.cd-desc li{margin:4px 0}
.cd-buy{position:sticky;top:84px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);overflow:hidden}
.cd-buy .lc-cover{border-bottom:1px solid var(--line)}
.cd-buy .in{padding:18px;display:flex;flex-direction:column;gap:12px}
.cd-buy .btn{width:100%;justify-content:center}
.cd-buy .fine{font-size:13px;color:var(--ink-3);margin:0}
.cd-buy ul{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:14px}
.cd-buy li{display:flex;align-items:center;gap:8px}
.cd-buy li svg{width:17px;height:17px;flex:none;fill:none;stroke:var(--gold-2);stroke-width:2}
.cur{margin-top:26px}
.cur h2{font-size:22px;margin:0 0 12px}
.cur-sec{border:1px solid var(--line);border-radius:14px;background:var(--card);margin-bottom:10px;overflow:hidden}
.cur-sec > b{display:block;padding:12px 16px;background:var(--gold-soft);font-size:15px}
.cur-row{display:flex;align-items:center;gap:10px;padding:11px 16px;border-top:1px solid var(--line);font-size:14.5px}
.cur-row:first-of-type{border-top:0}
.cur-row svg{width:18px;height:18px;flex:none;fill:none;stroke:var(--ink-3);stroke-width:1.8}
.cur-row .t{flex:1}
.cur-row .m{color:var(--ink-3);font-size:13px}
.cur-row .free{font-size:12px;font-weight:700;color:var(--ok,#1f7a3a);background:var(--ok-bg,#eaf6ee);padding:2px 9px;border-radius:999px}

/* the students' area */
.lr-auth{max-width:440px;margin:50px auto 80px}
.lr-auth h1{font-size:26px;margin:0 0 6px}
.lr-auth label{display:block;font-weight:600;font-size:14px;margin:14px 0 6px}
.lr-auth input{width:100%;box-sizing:border-box;font:inherit;font-size:15px;padding:11px 13px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--ink)}
.lr-auth .btn{width:100%;justify-content:center;margin-top:18px}
.lr-auth .links{display:flex;justify-content:space-between;gap:10px;margin-top:14px;font-size:14px}
.lr-auth .links a{color:var(--gold-2);cursor:pointer}
.lr-msg{min-height:1.4em;margin-top:12px;font-size:14px}
.lr-msg.bad{color:var(--bad,#b42318)}
.lr-msg.ok{color:var(--ok,#1f7a3a)}
.lr-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:30px 0 10px}
.lr-top h1{font-size:26px;margin:0}
.lr-top .who{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-3)}
.lr-prog{height:6px;border-radius:3px;background:var(--line);overflow:hidden}
.lr-prog i{display:block;height:100%;background:var(--gold)}
.pl{display:grid;grid-template-columns:1fr 340px;gap:20px;padding:16px 0 70px;align-items:start}
@media (max-width:980px){.pl{grid-template-columns:1fr}}
.pl-video{border-radius:var(--r);overflow:hidden;background:#000;aspect-ratio:16/9}
.pl-video video,.pl-video iframe{width:100%;height:100%;display:block;border:0}
.pl-locked{aspect-ratio:16/9;border-radius:var(--r);background:linear-gradient(135deg,#1d1929,#3a2f12);display:grid;place-items:center;text-align:center;color:#fff;padding:20px}
.pl-locked svg{width:44px;height:44px;fill:none;stroke:var(--gold);stroke-width:1.6}
.pl-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:14px}
.pl-head h2{font-size:20px;margin:0}
.pl-head .acts{display:flex;gap:8px;flex-wrap:wrap}
.pl-notes{margin-top:12px;padding:14px 16px;border-radius:14px;background:var(--card);border:1px solid var(--line);white-space:pre-line;font-size:14.5px;line-height:1.85}
.pl-list{border-radius:var(--r);background:var(--card);border:1px solid var(--line);overflow:hidden;max-height:calc(100vh - 120px);overflow-y:auto;position:sticky;top:80px}
.pl-list .hd{padding:14px 16px;border-bottom:1px solid var(--line)}
.pl-list .hd b{display:block;font-size:15px;margin-bottom:8px}
.pl-sec{padding:10px 16px 6px;font-size:13px;font-weight:700;color:var(--ink-3)}
.pl-item{display:flex;align-items:center;gap:10px;width:100%;text-align:start;padding:10px 16px;border:0;background:none;font:inherit;font-size:14px;color:var(--ink);cursor:pointer}
.pl-item:hover{background:var(--gold-soft)}
.pl-item.on{background:var(--gold-soft);font-weight:700}
.pl-item .ck{width:22px;height:22px;border-radius:50%;border:1.5px solid var(--line);display:grid;place-items:center;flex:none}
.pl-item.done .ck{background:var(--ok,#1f7a3a);border-color:var(--ok,#1f7a3a)}
.pl-item.done .ck::after{content:'';width:9px;height:5px;border:2px solid #fff;border-top:0;border-right:0;transform:rotate(-45deg) translate(1px,-1px)}
.pl-item.lock{color:var(--ink-3)}
.pl-item .t{flex:1}
.pl-item .m{font-size:12px;color:var(--ink-3)}
/* the students' app, offered on Android phones */
.app-bn{display:flex;align-items:center;gap:12px;margin:16px 0 0;padding:12px 14px;border-radius:16px;background:var(--card);border:1px solid var(--gold)}
.app-bn .ic svg{width:32px;height:32px;fill:none;stroke:var(--gold);stroke-width:1.6}
.app-bn .tx{flex:1;display:flex;flex-direction:column;line-height:1.5}
.app-bn .tx small{color:var(--ink-3);font-size:12.5px}
.app-bn button{border:0;background:none;color:var(--ink-3);font-size:20px;cursor:pointer}

/* a text lesson, and the course's files */
.pl-text{border-radius:var(--r);background:var(--card);border:1px solid var(--line);padding:22px 26px;font-size:16px;line-height:1.95;max-height:70vh;overflow-y:auto}
.pl-text h3{font-size:19px;margin:18px 0 6px;color:var(--gold,#c99512)}
.pl-text h3:first-child{margin-top:0}
.pl-text p{margin:0 0 10px}
.pl-text ul{margin:0 0 12px;padding-inline-start:22px}
.pl-text li{margin-bottom:4px}
.pl-files{margin-top:20px;padding:0}
.pl-files h3{display:flex;align-items:center;gap:8px;font-size:17px;margin:0 0 10px}
.pl-files h3 svg,.pl-file svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.pl-fgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}
.pl-file{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:14px;background:var(--card);border:1px solid var(--line);color:inherit;text-decoration:none;transition:border-color .15s}
.pl-file:hover{border-color:var(--gold,#c99512)}
.pl-file .x{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;font-size:11px;font-weight:800;background:rgba(201,149,18,.14);color:var(--gold,#c99512);flex:none}
.pl-file .n{display:grid;flex:1;min-width:0}
.pl-file .n b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}
.pl-file .n small{opacity:.65;font-size:12px}
@media (max-width:600px){.pl-text{padding:16px;font-size:15px;max-height:none}}

/* ratings: the badge on a course, the students' reviews, the student's form */
.rv-badge svg{fill:#f2b01e !important;stroke:none !important}
.rv-badge small{opacity:.7;font-weight:500}
.rv-stars{display:inline-flex;gap:2px;direction:inherit}
.rv-stars i{display:inline-flex}
.rv-stars svg{width:17px;height:17px;fill:var(--line);stroke:none}
.rv-stars i.on svg{fill:#f2b01e}
.cr-rv{margin-top:34px}
.cr-rv-hd{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.cr-rv-hd h2{margin:0}
.cr-rv-avg{display:flex;align-items:center;gap:10px}
.cr-rv-avg b{font-size:30px;line-height:1}
.cr-rv-avg span{opacity:.7;font-size:14px}
.cr-rv-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.pl-rv{margin-top:20px;padding:18px 20px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);display:grid;gap:10px;justify-items:start}
.pl-rv h3{margin:0;font-size:17px}
.pl-rv p.small{margin:0;opacity:.75}
.pl-rv textarea{width:100%;font:inherit;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:transparent;color:inherit;resize:vertical}
.pl-rv label{font-size:14px;font-weight:600}
.rv-hd{display:flex;align-items:center;gap:10px;flex-wrap:wrap;width:100%}
.rv-text{margin:0;white-space:pre-line;line-height:1.85}
.rv-st{font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--gold-soft);color:var(--gold-2)}
.rv-st.published{background:rgba(31,138,76,.13);color:#1f8a4c}
.rv-st.hidden{background:rgba(120,120,120,.15);color:inherit;opacity:.8}
.rv-pick{display:flex;gap:4px}
.rv-pick button{border:0;background:none;padding:2px;cursor:pointer;line-height:0}
.rv-pick svg{width:32px;height:32px;fill:var(--line);stroke:none;transition:fill .12s,transform .12s}
.rv-pick button.on svg{fill:#f2b01e}
.rv-pick button:hover svg{transform:scale(1.12)}