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button:hover,.mobile-close:hover,.mobile-header>button:hover{color:var(--ink);background:var(--canvas)}.mobile-close{display:none}.shell-content{flex:1;min-width:0}.mobile-header{display:none}.dashboard-page{width:min(1140px,100% - 72px);margin:0 auto;padding:46px 0 70px}.course-hero{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--card);min-height:330px;box-shadow:var(--shadow-xs);grid-template-columns:minmax(0,1.25fr) minmax(270px,.75fr);align-items:center;display:grid;position:relative;overflow:hidden}.hero-copy{z-index:2;padding:48px 54px;position:relative}.hero-copy h1{letter-spacing:-.055em;margin:13px 0 12px;font-size:clamp(34px,4vw,52px);line-height:1.2}.hero-copy>p{max-width:590px;color:var(--ink-muted);margin:0;font-size:15px;line-height:1.8}.hero-schedule{color:var(--ink-muted);flex-wrap:wrap;gap:7px 16px;margin-top:18px;font-size:11px;font-weight:600;display:flex}.hero-schedule span{align-items:center;gap:5px;display:inline-flex}.hero-button{margin-top:28px}.hero-visual{border-left:1px solid var(--border);background:radial-gradient(circle at center, #d83a160f, transparent 56%), repeating-linear-gradient(0deg, transparent 0 35px, #25231f09 35px 36px), repeating-linear-gradient(90deg, transparent 0 35px, #25231f09 35px 36px), var(--panel);height:100%;min-height:330px;position:relative;overflow:hidden}.orbit{border:1px solid #d83a1640;border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.orbit-one{width:190px;height:190px}.orbit-two{border-color:#25231f1c;width:290px;height:290px}.hero-core{border:1px solid var(--primary);background:var(--card);border-radius:50%;place-items:center;width:74px;height:74px;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 0 0 12px #d83a160d}.hero-core:before{content:"";border-top:2px solid var(--primary);border-radius:50%;width:30px;height:14px;transform:rotate(-24deg)}.hero-core span{background:var(--primary);border-radius:50%;width:7px;height:7px;position:absolute;top:17px;right:17px}.hero-dot{border:2px solid var(--card);background:var(--primary);width:9px;height:9px;box-shadow:0 0 0 1px var(--primary);border-radius:50%;position:absolute}.dot-one{top:calc(50% - 69px);left:calc(50% + 78px)}.dot-two{top:calc(50% + 30px);left:calc(50% - 133px)}.dot-three{top:calc(50% + 95px);left:calc(50% + 105px)}.course-section{margin-top:44px}.section-heading{justify-content:space-between;align-items:end;gap:24px;margin-bottom:20px;display:flex}.section-heading h2{letter-spacing:-.035em;margin:4px 0 0;font-size:24px;line-height:1.35}.section-heading>p{color:var(--ink-subtle);margin:0 0 2px;font-size:12px}.week-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.week-card{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--card);min-height:285px;box-shadow:var(--shadow-xs);flex-direction:column;padding:24px;transition:border-color .18s,box-shadow .18s,transform .18s;display:flex}.week-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow-sm);transform:translateY(-2px)}.week-card-top{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.week-index{color:var(--primary);font-family:var(--font-mono);font-size:18px;font-weight:600}.week-label{border:1px solid var(--border);color:var(--ink-subtle);font-family:var(--font-mono);letter-spacing:.06em;border-radius:999px;padding:2px 9px;font-size:9px}.week-card h3{letter-spacing:-.025em;margin:0 0 7px;font-size:18px;line-height:1.4}.week-card>p{color:var(--ink-muted);margin:0 0 16px;font-size:13px}.week-schedule{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-bottom:20px;display:grid}.week-schedule>div{border-left:2px solid var(--primary-soft);gap:2px;padding-left:9px;display:grid}.week-schedule span{color:var(--ink-subtle);font-size:9px;font-weight:600}.week-schedule strong{font-size:10px;font-weight:600}.week-units{border-top:1px solid var(--border);gap:1px;margin-top:auto;display:grid}.week-units button{border:0;border-bottom:1px solid var(--border);min-height:42px;color:var(--ink);text-align:left;cursor:pointer;background:0 0;grid-template-columns:28px 1fr 18px;align-items:center;gap:4px;padding:4px 2px;display:grid}.week-units button:last-child{border-bottom:0}.week-units button>span{color:var(--ink-subtle);font-family:var(--font-mono);font-size:9px}.week-units button strong{font-size:12px;font-weight:600}.week-units button svg{color:var(--ink-subtle);transition:color .15s,transform .15s}.week-units button:hover{color:var(--primary-dark)}.week-units button:hover svg{color:var(--primary);transform:translate(2px)}.reader-page{width:min(820px,100% - 72px);margin:0 auto;padding:38px 0 80px}.back-button{color:var(--ink-muted);cursor:pointer;background:0 0;border:0;align-items:center;gap:7px;padding:6px 0;font-size:12px;font-weight:600;display:inline-flex}.back-button:hover{color:var(--primary-dark)}.reader-head{border-bottom:1px solid var(--border);margin-top:34px;padding-bottom:36px}.reader-meta{color:var(--ink-subtle);font-family:var(--font-mono);letter-spacing:.05em;text-transform:uppercase;flex-wrap:wrap;align-items:center;gap:10px;font-size:9px;font-weight:600;display:flex}.reader-meta i{background:var(--border);border-radius:50%;width:3px;height:3px}.reader-meta span:last-child{align-items:center;gap:5px;display:inline-flex}.reader-head h1{letter-spacing:-.05em;margin:16px 0 10px;font-size:clamp(34px,5vw,48px);line-height:1.22}.reader-head>p{max-width:680px;color:var(--ink-muted);margin:0;font-size:16px}.reader-body{gap:20px;padding-top:30px;display:grid}.content-section{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--card);box-shadow:var(--shadow-xs);padding:32px}.text-section h2{letter-spacing:-.03em;margin:8px 0 16px;font-size:22px;line-height:1.4}.text-section>p{color:var(--ink-muted);margin:0 0 13px;font-size:15px;line-height:1.9}.concept-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:26px 0 0;padding:0;list-style:none;display:grid}.concept-list li{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--panel);flex-direction:column;justify-content:space-between;min-height:84px;padding:12px;display:flex}.concept-list li span{color:var(--primary);font-family:var(--font-mono);font-size:9px}.concept-list li strong{font-size:12px;font-weight:600}.content-section-heading{align-items:center;gap:13px;display:flex}.content-icon{width:38px;height:38px;color:var(--primary);border:1px solid var(--primary-soft);background:var(--primary-faint);border-radius:50%;flex:0 0 38px;place-items:center;display:grid}.content-section-heading>div{display:grid}.content-section-heading span,.download-copy>span{color:var(--ink-subtle);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;font-size:9px;font-weight:600}.content-section-heading h2{margin:1px 0 0;font-size:18px;line-height:1.4}.content-lead{color:var(--ink-muted);margin:15px 0 18px;font-size:13px}.video-frame{aspect-ratio:16/9;border:1px solid var(--border);border-radius:var(--radius-sm);background:#1c1b18;overflow:hidden}.video-frame iframe{border:0;width:100%;height:100%;display:block}.download-section{padding:0;overflow:hidden}.download-card{background:linear-gradient(90deg, var(--primary-faint), transparent 34%), var(--card);grid-template-columns:48px 1fr auto;align-items:center;gap:18px;min-height:138px;padding:25px 28px;display:grid}.download-file-icon{width:48px;height:48px;color:var(--primary);border:1px solid var(--primary-soft);border-radius:var(--radius-sm);background:var(--card);place-items:center;display:grid}.download-copy{min-width:0}.download-copy h2{margin:2px 0 3px;font-size:17px;line-height:1.4}.download-copy p{color:var(--ink-muted);margin:0 0 4px;font-size:12px}.download-copy small{color:var(--ink-subtle);font-family:var(--font-mono);font-size:9px}.download-button{border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--ink);background:var(--card);white-space:nowrap;justify-content:center;align-items:center;gap:7px;padding:9px 13px;font-size:11px;font-weight:700;text-decoration:none;transition:border-color .15s,color .15s,transform .15s;display:inline-flex}.download-button:hover{color:var(--primary-dark);border-color:var(--primary);transform:translateY(-1px)}.mobile-backdrop{display:none}@media (max-width:980px){.auth-page{grid-template-columns:minmax(0,1fr) minmax(390px,.9fr)}.auth-intro-inner{width:calc(100% - 56px)}.dashboard-page,.reader-page{width:min(100% - 48px,860px)}.course-hero{grid-template-columns:1fr 260px}.hero-copy{padding:38px}}@media (max-width:800px){.auth-page{background:var(--canvas);display:block}.auth-intro{border-right:0;border-bottom:1px solid var(--border);min-height:auto}.auth-intro-inner{width:min(100% - 40px,520px);min-height:auto;padding:28px 0 34px}.auth-message{margin:54px 0 28px}.auth-message h1{font-size:38px}.auth-message p{font-size:14px}.agent-pipeline{display:none}.auth-panel{background:var(--card);min-height:auto;padding:42px 24px 56px}.course-sidebar{transition:transform .22s cubic-bezier(.2,.8,.2,1);position:fixed;top:0;left:0;transform:translate(-105%);box-shadow:12px 0 40px #25231f24}.course-sidebar.open{transform:translate(0)}.mobile-close{margin-left:auto;display:grid}.mobile-backdrop{z-index:20;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#25231f5c;border:0;display:block;position:fixed;inset:0}.mobile-header{z-index:15;border-bottom:1px solid var(--border);background:var(--panel);grid-template-columns:36px 1fr 36px;align-items:center;gap:10px;height:58px;padding:0 16px;display:grid;position:sticky;top:0}@supports (color:color-mix(in lab, red, red)){.mobile-header{background:color-mix(in srgb, var(--panel) 94%, transparent)}}.mobile-header{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.mobile-header .brand{justify-self:center}.mobile-header .brand-mark{flex-basis:26px;width:26px;height:26px}.mobile-header .brand-mark:before{width:13px;top:12px;left:6px}.mobile-header .brand-mark>span{top:4px;right:4px}.mobile-header .brand-copy small{display:none}.mobile-avatar{justify-self:end;width:28px;height:28px}.dashboard-page,.reader-page{width:min(100% - 32px,680px);padding-top:24px}.course-hero{min-height:0;display:block}.hero-copy{padding:32px}.hero-visual{border-top:1px solid var(--border);border-left:0;min-height:220px}.week-grid{grid-template-columns:1fr}}@media (max-width:520px){.local-tools-grid{grid-template-columns:1fr}.auth-message h1{font-size:32px}.auth-panel{padding-inline:20px}.hero-copy{padding:27px 24px}.hero-copy h1{font-size:34px}.section-heading{display:block}.section-heading>p{margin-top:5px}.week-card{padding:20px}.reader-head{margin-top:24px}.reader-head h1{font-size:34px}.reader-head>p{font-size:14px}.content-section{padding:24px 20px}.concept-list{grid-template-columns:1fr}.concept-list li{flex-direction:row;align-items:center;min-height:58px}.download-section{padding:0}.download-card{grid-template-columns:42px 1fr;gap:14px;padding:22px 20px}.download-file-icon{width:42px;height:42px}.download-button{grid-column:1/-1;margin-top:5px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}