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0;border:0;justify-self:start;align-items:center;padding:0 12px;display:inline-flex}.course-lockup strong{letter-spacing:.035em;white-space:nowrap;font-size:.75rem}@media (hover:hover) and (pointer:fine){.course-lockup:hover{background:var(--action-soft);color:var(--action)}}.header-center{color:var(--text-muted);white-space:nowrap;justify-self:center;align-items:center;gap:10px;display:flex}.header-center span{font-size:var(--fs-100);letter-spacing:var(--tracking-label);font-weight:700}.header-center strong{border-left:1px solid var(--glass-edge);color:var(--text-strong);font-family:var(--font-technical);font-size:var(--fs-100);padding-left:10px;font-weight:600}.header-actions{grid-column:3;justify-self:end;align-items:center;gap:6px;display:flex}.header-control{border-radius:var(--radius-control);min-width:44px;min-height:44px;color:var(--text-muted);cursor:pointer;transition:background var(--duration-state) var(--ease-standard), color var(--duration-state) var(--ease-standard);background:0 0;border:1px solid #0000;justify-content:center;align-items:center;gap:7px;padding:0 12px;display:inline-flex}@media (hover:hover) and (pointer:fine){.header-control:hover{background:var(--action-soft);color:var(--action)}}.header-control.text-control span{font-size:var(--fs-100);letter-spacing:var(--tracking-button);font-weight:700}.save-indicator{color:var(--text-faint);font-size:var(--fs-100);letter-spacing:.045em;align-items:center;gap:7px;margin-right:4px;padding:0 8px;font-weight:700;display:inline-flex}.save-indicator i{background:var(--correct);border-radius:50%;width:6px;height:6px}.save-indicator.unavailable{color:var(--system-error)}.save-indicator.unavailable i{background:var(--system-error)}.home-view{--home-section-gap:56px;--home-section-inset:30px;padding:88px 0 48px}.system-notice{border-left:4px solid var(--system-error);border-radius:0 var(--radius-evidence) var(--radius-evidence) 0;background:var(--system-error-soft);color:var(--system-error);align-items:flex-start;gap:12px;margin:-42px 0 42px;padding:14px 16px;display:flex}.system-notice p{color:var(--text-muted);font-size:var(--fs-300);line-height:var(--lh-body);margin:0}.system-notice strong{color:var(--system-error)}.sync-notice{border:1px solid var(--clarify);grid-template-columns:24px minmax(0,1fr) auto;align-items:center;gap:14px;margin-top:20px;padding:15px 16px;display:grid}@supports (color:color-mix(in lab, red, red)){.sync-notice{border:1px solid color-mix(in srgb, var(--clarify) 40%, var(--rule))}}.sync-notice{border-radius:var(--radius-content);background:var(--clarify-soft);color:var(--clarify)}.sync-notice strong{color:var(--text-strong);font-size:var(--fs-300)}.sync-notice p{color:var(--text-muted);font-size:var(--fs-300);line-height:var(--lh-body);margin:3px 0 0}.sync-actions{gap:8px;display:flex}.sync-actions .secondary-button{min-height:44px;font-size:var(--fs-200);padding:0 13px}.hero-layout{grid-template-columns:minmax(0,1.18fr) minmax(350px,.72fr);align-items:center;gap:clamp(40px,6vw,72px);display:grid}.hero-copy{max-width:760px}.hero-copy h1{max-width:760px;color:var(--text-strong);font-size:clamp(2.6rem, 4.45vw, var(--fs-900));letter-spacing:var(--tracking-display);font-weight:680;line-height:var(--lh-tight);text-wrap:balance;margin:15px 0 18px}.hero-copy h1 span{white-space:nowrap}.hero-lede{max-width:650px;color:var(--text-muted);font-size:var(--fs-500);line-height:var(--lh-reading);margin:0}.bank-switcher{border-radius:17px;max-width:650px;margin:30px 0 0;padding:12px}.bank-switcher-heading{color:var(--text-faint);font-size:var(--fs-100);letter-spacing:var(--tracking-label);justify-content:space-between;align-items:center;gap:12px;padding:0 6px 10px;font-weight:750;display:flex}.bank-options{--bank-index:0;border:1px solid var(--glass-edge-strong);grid-template-columns:repeat(3,minmax(0,1fr));min-height:64px;padding:4px;display:grid;position:relative}@supports (color:color-mix(in lab, red, red)){.bank-options{border:1px solid color-mix(in srgb, var(--glass-edge-strong) 68%, var(--rule))}}.bank-options{background:rgb(var(--course-accent-rgb) / .045);box-shadow:inset 0 1px 2px rgb(var(--shadow-rgb) / .055);border-radius:14px}.bank-options:before{z-index:0;border:1px solid var(--glass-edge-strong);width:calc(33.3333% - 2.66667px);position:absolute;top:4px;bottom:4px;left:4px}@supports (color:color-mix(in lab, red, red)){.bank-options:before{border:1px solid color-mix(in srgb, var(--glass-edge-strong) 72%, var(--rule))}}.bank-options:before{background:var(--glass-selected-bg);box-shadow:inset 0 1px 0 var(--glass-highlight), 0 3px 10px rgb(var(--shadow-rgb) / .09);border-radius:10px}@supports (color:color-mix(in lab, red, red)){.bank-options:before{box-shadow:inset 0 1px 0 color-mix(in srgb, var(--glass-highlight) 72%, transparent), 0 3px 10px rgb(var(--shadow-rgb) / .09)}}.bank-options:before{content:"";transform:translateX(calc(var(--bank-index) * 100%));transition:transform var(--duration-sheet) var(--ease-enter)}.bank-options label{z-index:1;cursor:pointer;min-width:0;position:relative}.bank-options input{opacity:0;width:1px;height:1px;position:absolute}.bank-options label>span{min-height:54px;color:var(--text-muted);text-align:center;transition:color var(--duration-state) var(--ease-standard), transform var(--duration-press) var(--ease-standard);border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:3px;padding:7px 5px;display:flex}@media (hover:hover) and (pointer:fine){.bank-options label:hover>span{color:var(--action)}}.bank-options label:active>span{transform:scale(.985)}.bank-options label.active>span{color:var(--text-strong)}.bank-options label.active strong{color:var(--action)}.bank-options input:focus-visible+span{outline:3px solid var(--focus);outline-offset:2px}.bank-options strong{max-width:100%;font-size:var(--fs-300);text-overflow:ellipsis;white-space:nowrap;font-weight:750;overflow:hidden}.bank-options small{color:var(--text-faint);font-family:var(--font-technical);letter-spacing:.045em;white-space:nowrap;font-size:.625rem;font-weight:700}.bank-options label.active small{color:var(--text-faint)}.next-action{border:1px solid var(--rule);border-radius:var(--radius-content);background:var(--surface);box-shadow:var(--soft-shadow);padding:30px;position:relative;overflow:hidden}.next-action:before{background:var(--action);content:"";width:5px;position:absolute;inset:0 auto 0 0}.action-topline{color:var(--action);font-size:var(--fs-100);letter-spacing:var(--tracking-label);justify-content:space-between;align-items:center;gap:14px;font-weight:700;display:flex}.reason-chip{border-radius:var(--radius-data);background:var(--action-soft);color:var(--action);font-size:var(--fs-100);letter-spacing:.045em;padding:6px 8px}.next-action h2{color:var(--text-strong);letter-spacing:-.02em;font-size:1.65rem;line-height:var(--lh-heading);margin:20px 0 10px}.next-action>p{color:var(--text-muted);font-size:var(--fs-300);line-height:var(--lh-reading);margin:0}.next-action .primary-button{justify-content:space-between;width:100%;margin-top:26px}.device-storage-note{color:var(--text-faint);font-size:var(--fs-100);align-items:center;gap:8px;line-height:1.4;display:flex}.device-storage-note>i{background:var(--correct);border-radius:50%;flex:0 0 7px;width:7px;height:7px}.device-storage-note.unavailable>i{background:var(--system-error)}.local-note{margin-top:14px}.study-picture{margin-top:var(--home-section-gap);padding:var(--home-section-inset) 0 0;border-top:1px solid var(--rule)}.section-heading{justify-content:space-between;align-items:flex-end;gap:36px;display:flex}.picture-heading{display:block}.picture-heading h2,.section-heading h2{color:var(--text-strong);font-size:var(--fs-600);letter-spacing:-.018em;line-height:var(--lh-heading);margin:7px 0 0}.picture-heading h2{margin-top:0}.section-heading>p{max-width:420px;color:var(--text-muted);font-size:var(--fs-300);line-height:var(--lh-body);text-align:right;margin:0}.stat-row,.review-stats{border:1px solid var(--rule);border-radius:var(--radius-evidence);background:var(--rule);grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;margin-top:28px;display:grid;overflow:hidden}.stat{background:var(--surface-subtle);flex-direction:column;justify-content:center;gap:7px;min-height:92px;padding:16px 20px;display:flex}.stat strong{color:var(--text-strong);font-family:var(--font-technical);font-variant-numeric:tabular-nums;font-size:1.6rem;line-height:1}.stat span{color:var(--text-faint);font-size:var(--fs-100);letter-spacing:var(--tracking-label);font-weight:700}.activity-section{margin-top:var(--home-section-gap);padding-top:var(--home-section-inset);border-top:1px solid var(--rule)}.activity-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:30px;display:grid}.activity-card-primary,.needs-review-card,.activity-card-flagged{grid-column:1/-1}.activity-card{border:1px solid var(--control-rule);border-radius:var(--radius-content);background:var(--surface);cursor:pointer;text-align:left;min-height:116px;transition:transform var(--duration-control) var(--ease-standard), border-color var(--duration-state) var(--ease-standard), box-shadow var(--duration-control) var(--ease-standard);grid-template-columns:44px minmax(0,1fr) max-content;align-items:center;gap:18px;padding:20px 22px;display:grid;position:relative}.activity-card-primary{min-height:124px;overflow:hidden}.activity-card-primary:before{background:var(--action);content:"";width:4px;position:absolute;inset:0 auto 0 0}.activity-card-flagged{min-height:100px}.needs-review-card{border:1px solid var(--control-rule);border-radius:var(--radius-content);background:var(--surface);grid-template-columns:108px minmax(0,1fr) auto;align-items:center;gap:24px;min-height:168px;padding:24px 26px;display:grid;position:relative}.needs-review-card.empty{background:var(--surface-subtle)}.needs-review-total{background:var(--action);border-radius:50%;place-content:center;justify-items:center;row-gap:4px;width:102px;height:102px;display:grid;position:relative}@supports (color:color-mix(in lab, red, red)){.needs-review-total{background:color-mix(in srgb, var(--action) 4%, transparent)}}.needs-review-total{text-align:center}.needs-review-total:before{z-index:0;border-radius:inherit;background:var(--needs-review-ring);content:"";position:absolute;inset:0;-webkit-mask:radial-gradient(farthest-side,#0000 calc(100% - 8px),#000 calc(100% - 7px));mask:radial-gradient(farthest-side,#0000 calc(100% - 8px),#000 calc(100% - 7px))}.needs-review-total strong{z-index:1;color:var(--action);font-family:var(--font-technical);font-variant-numeric:tabular-nums;font-size:2rem;line-height:1;position:relative}.needs-review-total-label{z-index:1;color:var(--text-faint);letter-spacing:.035em;white-space:nowrap;justify-self:center;font-size:.56rem;font-weight:700;line-height:1;position:relative}.needs-review-total[data-digits="3"] strong{font-size:1.72rem}.needs-review-card.empty .needs-review-total strong{color:var(--text-faint)}.needs-review-copy{min-width:0}.needs-review-copy>.micro-label{margin:0}.needs-review-copy h3{color:var(--text-strong);font-size:1.16rem;line-height:var(--lh-heading);margin:5px 0}.needs-review-copy>p:last-of-type{color:var(--text-muted);font-size:var(--fs-300);line-height:var(--lh-body);margin:0}.needs-review-copy ul{grid-template-columns:repeat(auto-fit,minmax(128px,1fr));gap:0 16px;margin:14px 0 0;padding:0;list-style:none;display:grid}.needs-review-copy li{border-top:1px solid var(--rule);min-width:0;color:var(--text-muted);font-size:var(--fs-200);justify-content:space-between;align-items:center;gap:12px;padding:7px 0;display:flex}.needs-review-category-name{align-items:center;gap:8px;min-width:0;display:flex}.needs-review-category-name>span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.needs-review-category-marker{background:var(--category-color);width:8px;height:8px;box-shadow:inset 0 0 0 1px var(--text-strong);border-radius:50%;flex:none}@supports (color:color-mix(in lab, red, red)){.needs-review-category-marker{box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--text-strong) 14%, transparent)}}.category-inspection{--category-color:var(--category-inspection)}.category-definitions{--category-color:var(--category-definitions)}.category-fundamentals{--category-color:var(--category-fundamentals)}.category-installation{--category-color:var(--category-installation)}.category-performance{--category-color:var(--category-performance)}.category-testing{--category-color:var(--category-testing)}.needs-review-action{justify-content:flex-end;align-items:center;display:flex}.needs-review-action .secondary-button{justify-content:space-between;min-width:154px}.needs-review-action .secondary-button:disabled{cursor:default}.activity-card:active{transform:scale(.992)}.activity-card.empty,.activity-card.locked{background:var(--surface-subtle)}.activity-card:disabled{cursor:default;transform:none}@media (hover:hover) and (pointer:fine){.activity-card:hover{border-color:var(--action)}@supports (color:color-mix(in lab, red, red)){.activity-card:hover{border-color:color-mix(in srgb, var(--action) 62%, var(--rule))}}.activity-card:hover{box-shadow:0 12px 28px rgb(var(--course-accent-rgb) / .09);transform:translateY(-1px)}.activity-card:disabled:hover{border-color:var(--control-rule);box-shadow:none;transform:none}}.empty-card-state{color:var(--text-faint);font-family:var(--font-technical);font-size:var(--fs-100);letter-spacing:var(--tracking-label);white-space:nowrap;place-self:center end;font-weight:700}.latest-result{border:1px solid var(--control-rule);border-radius:var(--radius-content);background:var(--surface);grid-template-columns:38px minmax(0,1fr) auto;align-items:center;gap:14px;margin-top:18px;padding:16px 18px;display:grid}.latest-result-mark{background:var(--action-soft);width:36px;height:36px;color:var(--action);border-radius:50%;place-items:center;display:grid}.latest-result-copy{flex-direction:column;gap:3px;min-width:0;display:flex}.latest-result-copy small{color:var(--action);font-size:var(--fs-100);letter-spacing:var(--tracking-label);font-weight:700}.latest-result-copy strong{color:var(--text-strong);font-size:var(--fs-300)}.latest-result-copy span{color:var(--text-muted);font-size:var(--fs-200)}.latest-result-button{min-height:44px;font-size:var(--fs-100);padding:0 15px}.activity-icon{background:var(--action-soft);width:36px;height:36px;color:var(--action);border-radius:10px;place-items:center;display:grid}.activity-icon svg{stroke-width:1.75px}.activity-card.empty .activity-icon,.activity-card.locked .activity-icon{background:var(--text-faint)}@supports (color:color-mix(in lab, red, red)){.activity-card.empty .activity-icon,.activity-card.locked .activity-icon{background:color-mix(in srgb, var(--text-faint) 11%, transparent)}}.activity-card.empty .activity-icon,.activity-card.locked 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var(--sidebar-width);gap:48px;margin-top:48px;display:grid}.question-workspace{min-width:0;max-width:var(--reading-max)}.question-meta{justify-content:space-between;align-items:center;gap:18px;min-height:44px;display:flex}.question-signals{flex-wrap:wrap;align-items:center;gap:9px;display:flex}.reason-label{border-radius:var(--radius-data);min-height:28px;font-size:var(--fs-200);letter-spacing:var(--tracking-label);background:var(--action-soft);color:var(--action);align-items:center;padding:0 9px;font-weight:700;display:inline-flex}.flag-control{border:1px solid var(--control-rule);border-radius:var(--radius-control);background:var(--surface);min-width:88px;min-height:44px;color:var(--text-muted);cursor:pointer;font-size:var(--fs-100);letter-spacing:var(--tracking-button);justify-content:center;align-items:center;gap:8px;margin-left:auto;padding:0 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