.course-price-tag{position:absolute;top:14px;left:14px;font-family:var(--font-mono);font-size:.72rem;font-weight:700;letter-spacing:.04em;background:#0000004d;color:#fff;padding:5px 10px;border-radius:999px}.course-desc{margin-top:8px;color:var(--muted);font-size:.94rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.course-instr{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.04em;color:var(--muted)}.course-view{font-weight:700;font-size:.9rem;color:var(--accent-deep)}.course-view:hover{text-decoration:underline}.page-head{padding:clamp(56px,8vw,92px) 0 36px;border-bottom:1px solid var(--line);background:radial-gradient(120% 90% at 90% -20%,rgba(46,155,224,.14),transparent 60%),var(--paper)}.page-head h1{font-size:clamp(2.2rem,5vw,3.4rem);margin-top:12px}.page-sub{margin-top:14px;color:var(--muted);font-size:1.1rem;max-width:52ch}.data-badge{display:inline-flex;align-items:center;gap:8px;margin-top:20px;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:5px 12px}.data-badge:before{content:"";width:8px;height:8px;border-radius:999px;background:var(--muted-ink)}.data-badge.is-live{color:var(--green);border-color:#1e8a4c66}.data-badge.is-live:before{background:var(--green)}.catalog{padding:clamp(40px,6vw,64px) 0 clamp(64px,9vw,100px)}.empty{color:var(--muted);font-size:1.05rem;padding:40px 0}.legal{padding:clamp(48px,7vw,84px) 0 clamp(64px,9vw,100px)}.legal-wrap{max-width:760px}.legal h1{font-size:clamp(2rem,5vw,3rem);margin-top:10px}.legal-intro{margin-top:18px;font-size:1.12rem;color:var(--ink-soft)}.legal-section{margin-top:40px}.legal-section h2{font-size:1.4rem;padding-bottom:10px;border-bottom:2px solid var(--line)}.legal-section ul{margin:18px 0 0;padding:0;list-style:none}.legal-section li{position:relative;padding-left:22px;margin-bottom:12px;color:var(--ink-soft);line-height:1.6}.legal-section li:before{content:"";position:absolute;left:0;top:.6em;width:8px;height:8px;border-radius:2px;background:var(--accent)}.auth{min-height:64vh;display:grid;place-items:center;padding:56px 24px;background:radial-gradient(120% 80% at 50% -10%,rgba(46,155,224,.12),transparent 60%),var(--paper)}.auth-card{width:100%;max-width:420px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:36px 32px;box-shadow:var(--shadow-sm)}.auth-card h1{font-size:2rem;margin-top:10px}.auth-sub{margin-top:10px;color:var(--muted)}.auth-form{margin-top:26px;display:grid;gap:14px}.sso-btn{height:52px;width:100%;justify-content:center;font-size:1.02rem;font-weight:700;color:#fff;border:none}.sso-btn:disabled{opacity:.55;cursor:default}.sso-btn-line{background:#06c755}.sso-btn-line:hover:not(:disabled){background:#05a648}.field{display:grid;gap:7px}.field span{font-weight:600;font-size:.9rem}.field input{height:50px;padding:0 14px;font-size:1rem;font-family:var(--font-body);border:1.5px solid var(--line);border-radius:var(--radius-sm);background:var(--paper);color:var(--ink)}.field input:focus{outline:none;border-color:var(--accent);background:#fff}.auth-error{color:var(--accent-deep);font-size:.92rem;font-weight:600;margin:0}.auth-submit{height:52px;justify-content:center;font-size:1.05rem}.auth-submit:disabled{opacity:.6;cursor:default}.auth-foot{margin-top:22px;text-align:center;color:var(--muted);font-size:.95rem}.auth-foot a{color:var(--accent-deep);font-weight:700}.auth-foot a:hover{text-decoration:underline}.member-loading{min-height:50vh;display:grid;place-items:center}.loading-dot{color:var(--muted);font-family:var(--font-mono);letter-spacing:.06em}.member-head{padding:clamp(40px,6vw,68px) 0 clamp(28px,4vw,40px);border-bottom:1px solid var(--line);background:var(--paper-2)}.member-head-inner{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}.member-head h1{font-size:clamp(1.8rem,4vw,2.6rem);margin-top:10px}.member-email{margin-top:8px;color:var(--muted);font-family:var(--font-mono);font-size:.82rem}.member-section{padding:clamp(40px,6vw,64px) 0}.member-catalog{background:var(--paper-2);border-block:1px solid var(--line);padding:clamp(40px,6vw,64px) 0}.member-section .section-head{margin-bottom:26px}.member-section .section-head h2{font-size:clamp(1.5rem,3vw,2rem)}.member-section .section-head p{margin-top:8px;color:var(--muted)}.owned-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.owned-card{display:flex;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card)}.owned-stripe{width:10px;flex:none}.owned-body{padding:20px 22px;flex:1}.owned-body h3{font-size:1.15rem}.owned-meta{margin:12px 0 10px;display:flex;align-items:center;gap:12px}.owned-pct{font-family:var(--font-mono);font-size:.74rem;color:var(--muted)}.pill{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.08em;text-transform:uppercase;padding:4px 9px;border-radius:999px;font-weight:700}.pill-done{background:#1e8a4c24;color:var(--green)}.pill-active{background:#0b63d624;color:var(--accent-deep)}.pill-idle{background:var(--paper-2);color:var(--muted)}.progress{height:8px;border-radius:999px;background:var(--paper-2);overflow:hidden}.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--banana));transition:width .4s ease}.owned-badge{font-family:var(--font-mono);font-size:.72rem;font-weight:700;letter-spacing:.06em;color:var(--green)}.course-buy{padding:.55em 1em;font-size:.9rem}.course-buy:disabled{opacity:.6;cursor:default}.purchase-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card)}.purchase-row{display:grid;grid-template-columns:1fr auto auto auto;gap:16px;align-items:center;padding:14px 20px;border-bottom:1px solid var(--line)}.purchase-row:last-child{border-bottom:0}.purchase-title{font-weight:600}.purchase-ref{font-family:var(--font-mono);font-size:.74rem;color:var(--muted)}.purchase-amount{font-family:var(--font-display);font-weight:800}@media(max-width:760px){.owned-grid{grid-template-columns:1fr}.purchase-row{grid-template-columns:1fr auto;row-gap:6px}.purchase-ref{display:none}}.course-hero{padding:clamp(56px,8vw,96px) 0 clamp(44px,6vw,72px);color:#fff}.course-hero-inner{position:relative}.course-hero-price{position:static;display:inline-block;margin-bottom:16px}.course-hero-title{font-size:clamp(2rem,5vw,3.2rem);color:#fff;max-width:22ch}.course-hero-instr{margin-top:12px;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:#ffffffd9}.course-hero-desc{margin-top:16px;font-size:1.1rem;line-height:1.6;color:#ffffffeb;max-width:60ch}.course-detail-body{padding:clamp(40px,6vw,64px) 0 clamp(64px,9vw,100px)}.course-detail-body .section-head{margin-bottom:24px}.course-detail-body .section-head h2{font-size:clamp(1.5rem,3vw,2rem)}.course-detail-body .section-head p{margin-top:8px;color:var(--muted)}.lesson-list{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card)}.lesson-row{display:flex;align-items:center;gap:14px;padding:15px 20px;border-bottom:1px solid var(--line)}.lesson-row:last-child{border-bottom:0}.lesson-num{flex:none;width:30px;height:30px;display:grid;place-items:center;border-radius:999px;background:var(--paper-2);font-family:var(--font-mono);font-size:.78rem;font-weight:700;color:var(--accent-deep)}.lesson-title{flex:1;font-weight:600;color:var(--ink)}.lesson-duration{font-family:var(--font-mono);font-size:.72rem;color:var(--muted)}.lesson-lock{white-space:nowrap}.lesson-row.is-locked .lesson-title{color:var(--ink-soft)}.course-exam-note{margin-top:20px;font-size:.98rem;color:var(--muted)}.course-purchase-cta,.course-owned-cta{margin-top:28px}.course-owned-cta .course-purchase-cta{margin-top:12px}.course-owned-note{color:var(--green);font-weight:600}.course-group-cta{padding:8px 0 48px}.course-group-card{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:24px 28px;border:1px solid var(--border, #e5e7eb);border-radius:16px;background:#f0fdf4}.course-group-card h2{margin:0 0 6px;font-size:1.15rem}.course-group-card p{margin:0;max-width:46ch;color:var(--muted, #4b5563);line-height:1.55}.btn-line{display:inline-flex;align-items:center;gap:8px;background:#06c755;color:#fff;border:none;white-space:nowrap}.btn-line:hover{background:#05a648}@media(max-width:620px){.lesson-row{flex-wrap:wrap;row-gap:8px}.lesson-title{flex-basis:100%;order:-1;padding-left:44px}}.checkout-overlay{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px;background:#0e1f3d8c;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.checkout-modal{position:relative;width:100%;max-width:440px;max-height:92vh;overflow-y:auto;overflow-x:hidden;background:var(--card);border:1px solid var(--line);border-radius:var(--radius, 16px);padding:28px 26px 26px;box-shadow:0 24px 60px #0e1f3d47}.checkout-close{position:absolute;top:12px;right:14px;width:34px;height:34px;border:none;background:transparent;font-size:1.6rem;line-height:1;color:var(--muted);cursor:pointer;border-radius:50%}.checkout-close:hover{background:var(--paper-2);color:var(--ink)}.checkout-sub{margin:2px 0 18px;color:var(--muted);font-size:.95rem}.checkout-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:18px}.checkout-tab{height:44px;border:1.5px solid var(--line);border-radius:var(--radius-sm);background:var(--paper);font-family:var(--font-body);font-weight:600;color:var(--ink-soft);cursor:pointer}.checkout-tab.is-active{border-color:var(--accent);background:#fff;color:var(--blue)}.checkout-tab:disabled{opacity:.55;cursor:default}.checkout-form{display:grid;grid-template-columns:minmax(0,1fr);gap:14px}.checkout-form-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}.checkout-modal .field{min-width:0}.checkout-modal input{width:100%;min-width:0;box-sizing:border-box}.checkout-submit{width:100%;height:52px;justify-content:center;font-size:1.05rem;margin-top:4px}.checkout-submit:disabled{opacity:.6;cursor:default}.checkout-note{margin:0 0 4px;color:var(--muted);font-size:.95rem}.checkout-status{display:flex;flex-direction:column;align-items:center;gap:16px;padding:22px 0 8px;text-align:center}.checkout-qr{width:220px;height:220px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;padding:8px}.checkout-spinner{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:checkout-spin .8s linear infinite}@keyframes checkout-spin{to{transform:rotate(360deg)}}.checkout-success{font-weight:700;color:var(--green);font-size:1.1rem;margin:0}.auth-dev-login{margin-top:16px;width:100%;justify-content:center;background:transparent;color:var(--muted);border:1.5px dashed var(--muted-ink);font-size:.9rem;font-weight:600}.auth-dev-login:hover{background:var(--paper-2);color:var(--ink-soft)}.auth-dev-login:disabled{opacity:.5;cursor:default}