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.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);margin-bottom:1.1rem;padding:1.25rem 1.4rem}a.card{color:inherit;text-decoration:none;transition:box-shadow .15s,transform .15s,border-color .15s;display:block}a.card:hover{box-shadow:var(--shadow);color:inherit;border-color:#c9d8e8;transform:translateY(-2px)}@media (max-width:720px){.card{padding:1rem 1.1rem}}
.tag{color:var(--muted);white-space:nowrap;background:#e9eef4;border-radius:999px;align-items:center;padding:.05rem .6rem;font-size:.78rem;font-weight:500;display:inline-flex}.tag-ok{background:var(--ok-bg);color:var(--ok)}.tag-warn{background:var(--warn-bg);color:var(--warn)}.tag-danger{background:var(--danger-bg);color:var(--danger)}a.tag{text-decoration:none}
.grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.1rem;display:grid}@media (max-width:720px){.grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}}
.progress{background:#e6ebf1;border-radius:999px;height:8px;overflow:hidden}.progress>div{background:linear-gradient(90deg, var(--blue-600), #3f9bdc);border-radius:999px;height:100%}
.avatar{background:var(--blue-100);width:32px;height:32px;color:var(--navy-800);font-family:var(--font-display);border-radius:50%;place-items:center;font-size:.9rem;font-weight:600;display:grid}
.help{color:var(--muted);margin:.25rem 0 0;font-size:.84rem}
.check{align-items:flex-start;gap:.55rem;font-weight:400;display:flex}.check input{margin-top:.3rem}
.table-wrap{overflow-x:auto}
.slip-preview{border:1px solid var(--line);border-radius:var(--radius-sm);max-width:170px;max-height:230px;display:block}
.field{margin-bottom:1rem}
.note{border-radius:10px;margin:0 0 1rem;padding:.7rem 1rem;font-size:.95rem}.note a{color:inherit;font-weight:600}.note-error{background:var(--danger-bg);color:var(--danger)}.note-success{background:var(--ok-bg);color:var(--ok)}.note-warn{background:var(--warn-bg);color:var(--warn)}
.empty{text-align:center;color:var(--muted);padding:2.5rem 1rem}.empty .icon{color:var(--line-strong);margin-bottom:.5rem}.empty p{margin:0 0 1rem}@media (max-width:720px){.card.empty{padding:1rem 1.1rem}}
.section-head{justify-content:space-between;align-items:baseline;gap:1rem;margin:2.5rem 0 1rem;display:flex}.section-head h2{margin:0;font-size:clamp(1.25rem,1.1rem + .6vw,1.55rem)}.section-head a{flex:none;font-weight:500;text-decoration:none}
.search-field{position:relative}.search-field .icon{color:var(--muted);position:absolute;top:50%;left:.75rem;transform:translateY(-50%)}.search-field input{padding-left:2.3rem}
.pagination{flex-wrap:wrap;justify-content:center;gap:.4rem;margin-top:1.5rem;display:flex}
.stats{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.75rem;margin-bottom:1rem;display:grid}.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);flex-direction:column;padding:.85rem 1.1rem;display:flex}.stat-value{color:var(--ink);font-family:var(--font-display);font-size:1.55rem;font-weight:600;line-height:1.25}.stat-danger{color:var(--danger)}.stat-label{color:var(--muted);font-size:.84rem}
.crumb{margin:1.25rem 0 0;font-size:.9rem}.crumb+h1{margin-top:.2rem}
.sort-link{color:inherit;white-space:nowrap;text-decoration:none}.sort-link:hover{color:var(--blue-700);text-decoration:underline}th[aria-sort=ascending],th[aria-sort=descending]{color:var(--ink)}
.rich-text{color:var(--body)}.rich-text>:first-child{margin-top:0}.rich-text>:last-child{margin-bottom:0}.rich-text h2{margin:1.4rem 0 .5rem}.rich-text h3{margin:1rem 0 .4rem}.rich-text ul{padding-left:1.25rem}.rich-text li{margin-bottom:.25rem}.content-image{border-radius:10px;max-width:100%;height:auto;margin:.75rem 0;display:block}
.course-cover{aspect-ratio:40/21;color:#fff;flex:none;display:block;position:relative;overflow:hidden}.course-cover img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.course-cover-compact{aspect-ratio:3}.cover-symbol{opacity:.28;font-family:Times New Roman,serif;font-size:5.5rem;line-height:1;position:absolute;top:50%;right:18px;transform:translateY(-50%)}.course-cover-compact .cover-symbol{font-size:3.75rem}.cover-level{z-index:1;color:var(--navy-800);background:#ffffffeb;border-radius:999px;padding:.05rem .65rem;font-size:.8rem;font-weight:600;position:absolute;top:14px;left:14px}
.brand{color:#fff;font-family:var(--font-display);flex:none;align-items:center;gap:.55rem;font-size:1.15rem;text-decoration:none;display:inline-flex}.brand:hover{color:#fff}.brand-text{letter-spacing:.01em;font-weight:500}.brand-text strong{margin-left:.15rem;font-weight:700}.brand-mark{background:linear-gradient(135deg, var(--accent), #f6b04d);color:#fff;border-radius:10px;place-items:center;width:36px;height:36px;display:grid}@media (max-width:720px){.brand-text{font-size:1.02rem}}
.chat-button{z-index:30;color:#fff;width:54px;height:54px;box-shadow:var(--shadow-lg);background:#06c755;border-radius:50%;place-items:center;transition:transform .15s;display:grid;position:fixed;bottom:18px;right:18px}.chat-button:hover{color:#fff;transform:scale(1.06)}
.intro-video{aspect-ratio:16/9;border-radius:var(--radius);background:#000;border:0;width:100%;margin-bottom:1.1rem;display:block}
.site-header{z-index:40;background:var(--navy-800);position:sticky;top:0;box-shadow:0 1px #ffffff0f,0 4px 16px #0e22382e}.header-row{align-items:center;gap:1.25rem;min-height:64px;display:flex}.primary-nav{flex:1;align-items:center;gap:.15rem;display:flex}.primary-nav a{color:#d5e1ee;border-radius:var(--radius-sm);white-space:nowrap;padding:.4rem .7rem;font-size:.95rem;text-decoration:none}.primary-nav a:hover{color:#fff;background:#ffffff17}.primary-nav a[aria-current=page]{color:#fff;background:#ffffff24}.header-actions{flex:none;align-items:center;gap:.6rem;margin-left:auto;display:flex}.icon-link{color:#e6eef6;border-radius:10px;place-items:center;width:40px;height:40px;display:grid;position:relative}.icon-link:hover{color:#fff;background:#ffffff17}.cart-count{background:var(--accent);color:#fff;text-align:center;border-radius:9px;min-width:18px;height:18px;padding:0 4px;font-size:.7rem;font-weight:700;line-height:18px;position:absolute;top:1px;right:0}.signin-link{color:#e6eef6;padding:.35rem .5rem;font-size:.95rem;text-decoration:none}.signin-link:hover{color:#fff}.menu-toggle{color:#fff;cursor:pointer;background:0 0;border:0;border-radius:10px;place-items:center;width:40px;height:40px;display:none}.menu-toggle:hover{background:#ffffff17}.account-menu{position:relative}.account-menu summary{color:#e6eef6;cursor:pointer;border-radius:999px;align-items:center;gap:.45rem;padding:.25rem .5rem .25rem .25rem;list-style:none;display:flex}.account-menu summary::-webkit-details-marker{display:none}.account-menu summary:hover{background:#ffffff17}.account-name{text-overflow:ellipsis;white-space:nowrap;max-width:9rem;font-size:.92rem;overflow:hidden}.account-panel{background:var(--surface);border:1px solid var(--line);width:220px;box-shadow:var(--shadow-lg);border-radius:12px;padding:.4rem;position:absolute;top:calc(100% + 8px);right:0}.account-panel a,.menu-button{border-radius:var(--radius-sm);width:100%;color:var(--ink);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;padding:.5rem .7rem;font-size:.93rem;text-decoration:none;display:block}.account-panel a:hover,.menu-button:hover{background:var(--blue-50);color:var(--blue-700)}.account-panel form{border-top:1px solid var(--line);margin:.3rem 0 0;padding-top:.3rem}.menu-button{color:var(--danger)}@media (max-width:980px){.primary-nav{background:var(--navy-800);flex-direction:column;align-items:stretch;padding:.5rem 20px 1rem;display:none;position:absolute;top:100%;left:0;right:0;box-shadow:0 8px 18px #0e223840}.primary-nav.is-open{display:flex}.primary-nav a{padding:.65rem .75rem;font-size:1rem}.menu-toggle{display:grid}}@media (max-width:720px){.account-name{display:none}.account-menu summary{padding:.2rem}.signin-link{display:none}}
.site-footer{background:var(--navy-900);color:#b8c8d8;padding:2.5rem 0 1.25rem}.site-footer a{color:#d5e1ee;text-decoration:none}.site-footer a:hover{color:#fff;text-decoration:underline}.site-footer h2{color:#fff;margin:0 0 .5rem;font-size:.98rem}.site-footer p{margin:0 0 .4rem}.footer-grid{grid-template-columns:1.4fr 1.3fr 1fr 1fr;gap:1.5rem;display:grid}.footer-brand{color:#fff;font-family:var(--font-display);font-size:1.2rem}.footer-links{flex-direction:column;gap:.25rem;display:flex}.footer-social{flex-wrap:wrap;gap:.25rem .9rem;display:flex}.footer-bottom{color:#8fa3b6;border-top:1px solid #ffffff1a;margin-top:1.75rem;padding-top:1rem}@media (max-width:980px){.footer-grid{grid-template-columns:1fr 1fr}}@media (max-width:720px){.footer-grid{grid-template-columns:1fr}.footer-bottom.wrap{padding-top:0}}
.admin-nav{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:.6rem;position:sticky;top:84px}.admin-nav a{border-radius:var(--radius-sm);color:var(--body);white-space:nowrap;align-items:center;gap:.6rem;padding:.5rem .7rem;font-size:.93rem;text-decoration:none;display:flex}.admin-nav a:hover{background:var(--blue-50);color:var(--blue-700)}.admin-nav a[aria-current=page]{background:var(--blue-100);color:var(--blue-700);font-weight:600}@media (max-width:980px){.admin-nav{gap:.25rem;display:flex;position:static;overflow-x:auto}}
.hero{border-radius:var(--radius-lg);background:linear-gradient(120deg, var(--navy-900), var(--navy-700) 65%, #236b96);color:#fff;grid-template-columns:1.2fr .8fr;align-items:center;gap:2rem;margin:1.5rem 0 0;padding:clamp(2rem,1rem + 4vw,3.75rem);display:grid;position:relative;overflow:hidden}.hero h1{color:#fff;margin:0 0 .75rem;font-size:clamp(1.8rem,1.2rem + 2.6vw,3rem);font-weight:700;line-height:1.2}.hero p{color:#cfdeec;max-width:34rem;margin:0 0 1.5rem;font-size:1.08rem}.hero-actions{flex-wrap:wrap;gap:.7rem;display:flex}.hero-eyebrow{color:#dbe7f2;border:1px solid #ffffff47;border-radius:999px;margin-bottom:.75rem;padding:.15rem .75rem;font-size:.85rem;display:inline-block}.hero-art{min-height:220px;position:relative}.formula{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:#fff;white-space:nowrap;background:#ffffff17;border:1px solid #fff3;border-radius:12px;padding:.55rem 1rem;font-family:Times New Roman,serif;font-size:1.25rem;font-style:italic;position:absolute}.formula:first-child{top:4%;left:8%}.formula:nth-child(2){font-size:1.45rem;top:40%;right:2%}.formula:nth-child(3){bottom:4%;left:18%}@media (max-width:980px){.hero{grid-template-columns:1fr}.hero-art{display:none}}
.features{grid-template-columns:repeat(3,1fr);gap:1rem;margin:1.1rem 0 0;padding:0;list-style:none;display:grid}.features li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);align-items:flex-start;gap:.85rem;padding:1.1rem 1.2rem;display:flex}.features strong{color:var(--ink);font-family:var(--font-display);font-weight:600;display:block}.features p{color:var(--muted);margin:0;font-size:.88rem;line-height:1.5}.feature-icon{background:var(--blue-100);width:42px;height:42px;color:var(--blue-600);border-radius:12px;flex:none;place-items:center;display:grid}@media (max-width:720px){.features{grid-template-columns:1fr}}
.banner-row{gap:.75rem;margin:1.5rem 0 0;display:grid}.banner img{object-fit:cover;border-radius:var(--radius-lg);width:100%;max-height:400px;display:block}.banner-text{border-radius:var(--radius-lg);background:var(--navy-800);color:#fff;padding:2rem;display:block}.banner-text strong{font-family:var(--font-display);font-size:1.4rem;display:block}
.teacher{flex-wrap:wrap;align-items:center;gap:1.25rem;display:flex}.teacher img{object-fit:cover;border-radius:50%;width:112px;height:112px}.teacher p{flex:260px;margin:0}
.course-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);flex-direction:column;transition:box-shadow .18s,transform .18s;display:flex;position:relative;overflow:hidden}.course-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}.course-card-body{flex-direction:column;flex:1;padding:1rem 1.1rem 1.1rem;display:flex}.course-card h3{font-size:1.02rem}.course-card h3 a{color:var(--ink);text-decoration:none}.course-card:hover h3 a{color:var(--blue-600)}.stretched:after{content:"";position:absolute;inset:0}.course-card-text{flex:1;margin:0 0 .75rem;line-height:1.5}.course-price{flex-wrap:wrap;align-items:baseline;gap:.45rem;margin:0;display:flex}.course-price strong{color:var(--ink);font-family:var(--font-display);font-size:1.2rem;font-weight:600}.sale-badge{color:#b85a0a;background:#fdeee0;border-radius:6px;padding:0 .4rem;font-size:.78rem;font-weight:600}
.article-card h3 a{color:var(--ink);text-decoration:none}.article-card h3 a:hover{color:var(--blue-600)}
.filters{grid-template-columns:2fr 1.2fr .8fr .8fr auto;align-items:end;gap:.75rem;display:grid}.filters label{font-size:.84rem}.filter-buttons{gap:.5rem;display:flex}.result-count{margin:0 0 .75rem}.filters>*,.filters input,.filters select{min-width:0}@media (max-width:720px){.filters{grid-template-columns:1fr 1fr}.filters .filter-wide,.filter-buttons{grid-column:1/-1}.filter-buttons .button{flex:1}}.audit-filters{grid-template-columns:1.3fr 1fr 1fr 1fr auto}@media (max-width:1100px){.audit-filters{grid-template-columns:repeat(2,minmax(0,1fr))}.audit-filters .filter-buttons{grid-column:1/-1}.audit-filters .filter-buttons .button{flex:1}}
.course-band{background:linear-gradient(120deg, var(--navy-900), var(--navy-700));color:#dbe7f2;margin:0 calc(50% - 50vw);padding:2.5rem 0}.course-band .wrap{max-width:1160px}.course-band h1{color:#fff;margin:.4rem 0 .6rem}.band-meta{flex-wrap:wrap;gap:.4rem 1.25rem;margin:0;padding:0;font-size:.93rem;list-style:none;display:flex}.band-meta li{align-items:center;gap:.4rem;display:flex}.band-level{color:#fff;background:#ffffff26;border-radius:999px;padding:.05rem .65rem;font-size:.82rem;display:inline-block}.band-with-image{grid-template-columns:minmax(0,1fr) 360px;align-items:center;gap:1.5rem;display:grid}.band-image{aspect-ratio:40/21;object-fit:cover;border-radius:var(--radius);width:100%;box-shadow:var(--shadow-lg);display:block}@media (max-width:980px){.band-with-image{grid-template-columns:minmax(0,1fr)}}@media (max-width:720px){.course-band{padding:1.75rem 0}}
.cover-editor{grid-template-columns:300px minmax(0,1fr);align-items:start;gap:1.25rem;display:grid}.cover-editor .course-cover{border-radius:10px}@media (max-width:980px){.cover-editor{grid-template-columns:minmax(0,1fr)}}
.package-card{border:1px solid var(--line);border-radius:12px;margin-bottom:.75rem;padding:1rem}.package-card:last-of-type{margin-bottom:0}.package-name{color:var(--ink);font-family:var(--font-display);margin:0 0 .35rem;font-weight:600}.package-terms{color:var(--muted);flex-direction:column;gap:.15rem;margin:0 0 .75rem;padding:0;font-size:.9rem;list-style:none;display:flex}.package-terms li{align-items:center;gap:.4rem;display:flex}.package-pricing{flex-wrap:wrap;align-items:baseline;gap:.5rem;margin-bottom:.75rem;display:flex}.package-price{color:var(--ink);font-family:var(--font-display);font-size:1.55rem;font-weight:600;line-height:1.2}
.status-card .remaining-big{color:var(--ink);font-family:var(--font-display);font-size:1.15rem;font-weight:600}
.lesson-list{margin:0;padding:0;list-style:none}.lesson-list li{border-bottom:1px solid var(--line);align-items:center;gap:.85rem;padding:.7rem 0;display:flex}.lesson-list li:last-child{border-bottom:0}.lesson-icon{width:34px;height:34px;color:var(--muted);background:#eef2f6;border-radius:50%;flex:none;place-items:center;display:grid}.lesson-icon-play{background:var(--blue-100);color:var(--blue-600)}.lesson-icon-done{background:var(--ok-bg);color:var(--ok)}.lesson-body{flex:1;min-width:0}.lesson-title{color:var(--ink);font-weight:500;text-decoration:none}a.lesson-title:hover{color:var(--blue-600);text-decoration:underline}.teach-lessons li{flex-wrap:wrap;justify-content:space-between}
.my-card{margin:0;padding:0;overflow:hidden}.my-card-body{padding:1rem 1.2rem 1.2rem}.my-card h2{margin:0;font-size:1.05rem}.my-card h2 a{color:var(--ink);text-decoration:none}.my-card h2 a:hover{color:var(--blue-600)}.my-stats{grid-template-columns:1fr 1fr;gap:.5rem;margin:.75rem 0 0;display:grid}.my-stats div{border-radius:var(--radius-sm);background:#f6f8fb;padding:.45rem .65rem}.my-stats dt{color:var(--muted);font-size:.76rem}.my-stats dd{color:var(--ink);margin:0;font-size:.9rem;font-weight:500}@media (max-width:720px){.card.my-card{padding:1rem 1.1rem}}
.package-row{border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem 1rem;padding:.85rem 0;display:flex}.package-row:first-child{padding-top:0}.package-row:last-child{border-bottom:0;padding-bottom:0}.summary-line{justify-content:space-between;gap:1rem;margin-bottom:.4rem;font-size:.93rem;display:flex}.summary-total{border-top:1px solid var(--line);color:var(--ink);font-family:var(--font-display);justify-content:space-between;align-items:baseline;margin-top:.75rem;padding-top:.75rem;font-size:1.3rem;font-weight:600;display:flex}
.steps{counter-reset:step;margin:0 0 1.25rem;padding:0;list-style:none;display:flex}.steps li{color:var(--muted);text-align:center;counter-increment:step;flex:1;padding-top:2.2rem;font-size:.82rem;position:relative}.steps li:before{content:counter(step);z-index:1;width:28px;height:28px;color:var(--muted);background:#e4e9ef;border-radius:50%;place-items:center;margin-left:-14px;font-size:.85rem;font-weight:600;display:grid;position:absolute;top:0;left:50%}.steps li:after{content:"";background:#e4e9ef;width:100%;height:2px;position:absolute;top:13px;left:-50%}.steps li:first-child:after{display:none}.steps li.done:before{content:"✓";background:var(--ok);color:#fff}.steps li.done:after,.steps li.current:after{background:var(--ok)}.steps li.current{color:var(--ink);font-weight:600}.steps li.current:before{background:var(--blue-600);color:#fff;box-shadow:0 0 0 4px var(--blue-100)}@media (max-width:720px){.steps li{font-size:.74rem}}
.bank-box{background:var(--blue-50);border:1px solid #cfe1f3;border-radius:12px;margin-bottom:1.1rem;padding:1rem 1.1rem}.bank-box p{margin:.1rem 0}.bank-number{color:var(--ink);font-family:var(--font-display);letter-spacing:.02em;font-size:1.3rem;font-weight:600}
.player-frame{border-radius:var(--radius);box-shadow:var(--shadow-lg);background:#000;position:relative;overflow:hidden}.player-frame video{aspect-ratio:16/9;background:#000;width:100%;display:block}.player-message{color:#fff;text-align:center;background:#0e2238ed;flex-direction:column;justify-content:center;align-items:center;gap:.5rem;padding:1rem;display:flex;position:absolute;inset:0}.player-message a{color:#a9d2f7}.player-message h2{color:#fff;margin:0;font-size:1.25rem}.player-bar{background:var(--surface);border:1px solid var(--line);border-radius:12px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem 1rem;margin-top:.85rem;padding:.7rem 1rem;display:flex}.remaining{color:var(--ink);font-family:var(--font-display);font-weight:600}.player-options{flex-wrap:wrap;align-items:center;gap:.5rem 1rem;display:flex}.speed{align-items:center;gap:.4rem;display:flex}.speed select{width:auto;min-height:34px;padding:.15rem .5rem}.speed label{color:var(--muted);margin:0;font-weight:400}
.admin-tile{margin:0}.admin-tile h2{align-items:center;gap:.5rem;margin-bottom:.3rem;font-size:1.02rem;display:flex}.admin-tile h2 .icon{color:var(--blue-600)}
.auth-page{max-width:440px;margin:2rem auto 0}.auth-page h1{text-align:center;margin:0 0 1rem}.auth-page .card{box-shadow:var(--shadow);padding:1.6rem}.auth-alt{text-align:center;margin-top:1rem}
.admin-layout{grid-template-columns:230px minmax(0,1fr);align-items:start;gap:1.75rem;margin-top:1.5rem;display:grid}.admin-content h1:first-child,.admin-content>.crumb:first-child{margin-top:0}@media (max-width:980px){.admin-layout{grid-template-columns:minmax(0,1fr);gap:1rem}}
.course-layout{grid-template-columns:minmax(0,1fr) 360px;align-items:start;gap:1.5rem;margin-top:1.5rem;display:grid}.course-side{position:sticky;top:84px}.course-side .card{box-shadow:var(--shadow)}.course-main .card:last-child{margin-bottom:0}@media (max-width:980px){.course-layout{grid-template-columns:minmax(0,1fr)}.course-side{order:-1;position:static}}
.learn-layout{grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:1.5rem;display:grid}.learn-side{max-height:calc(100vh - 110px);padding:1rem 1.1rem;position:sticky;top:84px;overflow-y:auto}.learn-side h2{font-size:1rem}.learn-side li.is-current{border-radius:var(--radius-sm);background:var(--blue-50);margin:0 -.5rem;padding-left:.5rem;padding-right:.5rem}.learn-side .lesson-icon{width:28px;height:28px}@media (max-width:980px){.learn-layout{grid-template-columns:minmax(0,1fr)}.learn-side{max-height:none;position:static}}
.store-layout{grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:1.5rem;display:grid}.store-side{position:sticky;top:84px}@media (max-width:980px){.store-layout{grid-template-columns:minmax(0,1fr)}.store-side{max-height:none;position:static}}
.article{max-width:760px;margin:0 auto}