/* courses.css — catalog, course page, My Learning. Uses the site's design tokens from style.css. */
body.cs{padding:0 0 84px}
.cs-wrap{max-width:1160px;margin:0 auto;padding:12px 16px}
.cs-hero{border-radius:22px;padding:26px 22px;margin:8px 0 16px;background:var(--grad-brand-soft)}
.cs-hero h1{font-size:clamp(22px,5vw,34px);line-height:1.18;margin:0 0 6px}
.cs-hero p{margin:0;color:var(--text-dim);font-size:15px}
.cs-filters{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}
.cs-filters input,.cs-filters select{padding:11px 12px;border-radius:12px;border:1px solid var(--border-soft);background:var(--surface-solid);color:inherit;font-size:15px;min-width:0}
.cs-filters input{flex:1 1 200px}
.cs-chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;margin:0 0 14px;padding-bottom:2px}
.cs-chips::-webkit-scrollbar{display:none}
.cs-chip{flex:0 0 auto;padding:8px 14px;border-radius:999px;border:1px solid var(--border-soft);background:var(--surface-solid);font-weight:700;font-size:13px;color:inherit;text-decoration:none;white-space:nowrap}
.cs-chip.on{background:var(--violet);color:#fff;border-color:var(--violet)}
.cs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
.cs-card{display:flex;flex-direction:column;border-radius:18px;overflow:hidden;text-decoration:none;color:inherit;border:1px solid var(--border-soft);background:var(--surface-solid);transition:transform .18s,box-shadow .18s}
.cs-card:hover{transform:translateY(-3px);box-shadow:0 14px 34px -16px rgba(124,58,237,.45)}
.cs-thumb{position:relative;aspect-ratio:16/9;background:var(--grad-brand-soft);overflow:hidden}
.cs-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.cs-mode{position:absolute;left:10px;top:10px;font-size:11.5px;font-weight:800;padding:4px 10px;border-radius:999px;background:rgba(15,10,30,.78);color:#fff}
.cs-off{position:absolute;right:10px;top:10px;font-size:11.5px;font-weight:800;padding:4px 10px;border-radius:999px;background:#16a34a;color:#fff}
.cs-body{padding:14px;display:flex;flex-direction:column;gap:6px;flex:1}
.cs-body h3{margin:0;font-size:16.5px;line-height:1.3}
.cs-body .sub{font-size:13px;color:var(--text-dim);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cs-meta{font-size:12.5px;color:var(--text-dim);display:flex;gap:10px;flex-wrap:wrap}
.cs-price{margin-top:auto;display:flex;align-items:baseline;gap:8px;padding-top:6px}
.cs-price b{font-size:20px}
.cs-price s{font-size:13px;color:var(--text-faint)}
.cs-price small{font-size:12.5px;color:var(--text-dim)}
.cs-pager{display:flex;gap:8px;justify-content:center;margin:22px 0;flex-wrap:wrap}
.cs-empty{text-align:center;padding:42px 16px}

/* course page */
.cp-grid{display:grid;grid-template-columns:minmax(0,1fr) 370px;gap:22px;align-items:start}
@media(max-width:900px){.cp-grid{grid-template-columns:1fr}}
.cp-crumbs{font-size:13px;color:var(--text-dim);margin:6px 0 10px}.cp-crumbs a{color:inherit}
.cp-title{font-size:clamp(23px,4.6vw,36px);line-height:1.18;margin:0 0 8px}
.cp-sub{font-size:16px;color:var(--text-dim);margin:0 0 12px}
.cp-badges{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}
.cp-badge{font-size:12.5px;font-weight:800;padding:5px 12px;border-radius:999px;background:var(--surface-solid);border:1px solid var(--border-soft)}
.cp-badge.v{background:var(--violet);color:#fff;border-color:var(--violet)}
.cp-media{border-radius:18px;overflow:hidden;aspect-ratio:16/9;background:var(--grad-brand-soft);margin-bottom:18px}
.cp-media img,.cp-media iframe{width:100%;height:100%;object-fit:cover;border:0;display:block}
.cp-sec{border-radius:18px;padding:18px;margin-bottom:16px}
.cp-sec h2{font-size:19px;margin:0 0 12px}
.cp-hl{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px 18px}
@media(max-width:600px){.cp-hl{grid-template-columns:1fr}}
.cp-hl li{display:flex;gap:8px;font-size:14.5px;line-height:1.4}.cp-hl li:before{content:"✓";color:var(--success);font-weight:900}
.cp-desc{font-size:15.5px;line-height:1.7}
.cp-desc img{max-width:100%;height:auto;border-radius:12px}
.cp-desc .ql-align-center{text-align:center}.cp-desc .ql-align-right{text-align:right}.cp-desc .ql-align-justify{text-align:justify}
.cp-desc .ql-indent-1{padding-left:3em}.cp-desc .ql-indent-2{padding-left:6em}.cp-desc .ql-indent-3{padding-left:9em}
.cp-desc .ql-size-small{font-size:.8em}.cp-desc .ql-size-large{font-size:1.4em}.cp-desc .ql-size-huge{font-size:2em}
.cp-desc iframe,.cp-desc .ql-video{width:100%;aspect-ratio:16/9;border:0;border-radius:12px}
.cp-desc table{border-collapse:collapse;width:100%}.cp-desc td,.cp-desc th{border:1px solid var(--border-soft);padding:6px 10px}
.cp-desc pre{background:rgba(124,58,237,.08);padding:12px;border-radius:10px;overflow:auto}
.cp-acc details{border:1px solid var(--border-soft);border-radius:12px;margin-bottom:8px;background:var(--surface-solid)}
.cp-acc summary{cursor:pointer;padding:12px 14px;font-weight:800;font-size:14.5px;list-style:none;display:flex;justify-content:space-between;gap:10px}
.cp-acc summary::-webkit-details-marker{display:none}
.cp-acc summary:after{content:"+";font-weight:900;color:var(--violet)}.cp-acc details[open] summary:after{content:"–"}
.cp-acc .in{padding:0 14px 12px;font-size:14px;color:var(--text-dim);line-height:1.6}
.cp-acc .in li{margin:3px 0}
.cp-facts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media(max-width:600px){.cp-facts{grid-template-columns:1fr}}
.cp-fact{padding:10px 12px;border-radius:12px;background:var(--surface-solid);border:1px solid var(--border-soft);font-size:13.5px}
.cp-fact b{display:block;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-dim);margin-bottom:2px}
.cp-teacher{display:flex;gap:14px;align-items:flex-start}
.cp-teacher img{width:64px;height:64px;border-radius:50%;object-fit:cover;flex:0 0 auto;background:var(--grad-brand-soft)}
.cp-buy{position:sticky;top:84px;border-radius:20px;padding:18px}
@media(max-width:900px){.cp-buy{position:static}}
.cp-price{font-size:30px;font-weight:900}.cp-price small{font-size:14px;font-weight:600;color:var(--text-dim)}
.cp-price s{font-size:16px;color:var(--text-faint);font-weight:500;margin-left:6px}
.cp-months{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.cp-months button{padding:9px 14px;border-radius:12px;border:1.5px solid var(--border-soft);background:var(--surface-solid);font-weight:800;font-size:14px;cursor:pointer;color:inherit}
.cp-months button.on{border-color:var(--violet);background:rgba(124,58,237,.12);color:var(--violet)}
.cp-months select{padding:9px 10px;border-radius:12px;border:1.5px solid var(--border-soft);background:var(--surface-solid);color:inherit;font-weight:700}
.cp-total{font-size:13.5px;color:var(--text-dim);margin:2px 0 10px}
.cp-note{font-size:13px;border-radius:12px;padding:10px 12px;margin:10px 0;background:rgba(124,58,237,.09)}
.cp-note.warn{background:rgba(245,158,11,.16);color:#b45309}.cp-note.bad{background:rgba(225,29,72,.12);color:var(--danger)}.cp-note.ok{background:rgba(22,163,74,.13);color:var(--success)}
.cp-err{color:var(--danger);font-size:13.5px;min-height:18px;margin:8px 0 0}
.cp-btn{width:100%;justify-content:center;font-size:16.5px;padding:15px 18px;border-radius:14px}
.cp-trust{display:flex;gap:6px 12px;flex-wrap:wrap;font-size:12px;color:var(--text-dim);margin-top:12px}
.cp-sticky{display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:var(--surface-solid);border-top:1px solid var(--border-soft);align-items:center;gap:12px;box-shadow:0 -10px 30px -18px rgba(0,0,0,.4)}
.cp-sticky .p{font-weight:900;font-size:19px;line-height:1.1}.cp-sticky .p small{display:block;font-size:11.5px;font-weight:600;color:var(--text-dim)}
@media(max-width:900px){.cp-sticky{display:flex}.cp-sticky .btn{flex:1;justify-content:center;padding:13px}body.cs{padding-bottom:90px}}
.cp-sheet{position:fixed;inset:0;z-index:100;background:rgba(10,6,24,.55);display:flex;align-items:flex-end;justify-content:center}
@media(min-width:700px){.cp-sheet{align-items:center}}
.cp-sheet .box{background:var(--surface-solid);width:100%;max-width:460px;border-radius:22px 22px 0 0;padding:20px 18px calc(18px + env(safe-area-inset-bottom));max-height:92vh;overflow:auto}
@media(min-width:700px){.cp-sheet .box{border-radius:22px}}
.cp-sheet input{width:100%;padding:12px;border-radius:12px;border:1.5px solid var(--border-soft);background:var(--surface-solid);color:inherit;font-size:16px;margin-bottom:8px}
.cp-sheet input.bad{border-color:var(--danger)}
.cp-row{display:flex;gap:8px}.cp-row>*{flex:1;min-width:0}

/* my learning */
.ml-tabs{display:flex;gap:8px;margin:6px 0 16px}
.ml-tabs a{flex:1;text-align:center;padding:12px 8px;border-radius:14px;border:1px solid var(--border-soft);background:var(--surface-solid);font-weight:800;font-size:14.5px;color:var(--text-dim);text-decoration:none}
.ml-tabs a.on{background:var(--grad-cta);color:#fff;border-color:transparent}
.ml-card{display:grid;grid-template-columns:150px 1fr;gap:14px;border-radius:18px;padding:12px;margin-bottom:14px}
@media(max-width:560px){.ml-card{grid-template-columns:96px 1fr;gap:10px}}
.ml-card .th{aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:var(--grad-brand-soft)}
.ml-card .th img{width:100%;height:100%;object-fit:cover;display:block}
.ml-card h3{margin:0 0 4px;font-size:16.5px}
.ml-card .row{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px;align-items:center}
.ml-st{font-size:12px;font-weight:800;padding:4px 10px;border-radius:999px}
.ml-st.active{background:rgba(22,163,74,.15);color:var(--success)}.ml-st.grace{background:rgba(245,158,11,.2);color:#b45309}
.ml-st.expired,.ml-st.revoked{background:rgba(225,29,72,.14);color:var(--danger)}
.ml-sub{border-radius:18px;padding:16px;margin-bottom:16px}
.ml-sub .top{display:flex;gap:12px;justify-content:space-between;flex-wrap:wrap;align-items:flex-start}
.ml-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px;margin:12px 0}
.ml-stats div{padding:10px 12px;border-radius:12px;background:var(--surface-solid);border:1px solid var(--border-soft);font-size:13px}
.ml-stats b{display:block;font-size:16px}
.ml-pay{border-radius:14px;padding:14px;margin-top:10px;background:rgba(124,58,237,.07)}
.ml-inv{width:100%;border-collapse:collapse;font-size:13px;margin-top:6px}.ml-inv th,.ml-inv td{text-align:left;padding:7px 6px;border-bottom:1px solid var(--border-soft)}
.ml-lock{border-radius:12px;padding:12px;background:rgba(225,29,72,.1);color:var(--danger);font-size:13.5px;margin-top:8px}
@media print{body *{visibility:hidden}#invoicePrint,#invoicePrint *{visibility:visible}#invoicePrint{position:absolute;left:0;top:0;width:100%}}