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12px;font-size:22px;font-weight:300;line-height:1}.lb-status{color:var(--on-muted);flex-shrink:0;align-items:center;gap:6px;font-size:15px;font-weight:650;display:inline-flex}.lb-status.joined{color:var(--success-strong)}.lb-status-dot{background:var(--success);border-radius:50%;flex-shrink:0;width:8px;height:8px}.toggle{background:var(--slate-200);cursor:pointer;border:0;border-radius:999px;flex-shrink:0;width:48px;height:28px;padding:0;transition:background .15s;position:relative}.toggle[data-on=true]{background:var(--brand)}.toggle-knob{background:#fff;border-radius:999px;width:22px;height:22px;transition:transform .15s;position:absolute;top:3px;left:3px;box-shadow:0 1px 2px #0f172a2e}.toggle[data-on=true] .toggle-knob{transform:translate(20px)}.metric-strip{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.metric-card{background:var(--surface);border:1px solid var(--card-border);border-radius:var(--radius-tile);text-align:center;padding:10px 8px}.metric-label{letter-spacing:.06em;text-transform:uppercase;color:var(--on-muted);margin-bottom:4px;font-size:10px;font-weight:700}.metric-value{letter-spacing:-.02em;color:var(--on-surface);font-size:18px;font-weight:700}.metric-value.tone-brand{color:var(--brand)}.metric-value.tone-success{color:var(--success-strong)}.progress-page,.bank-page{gap:var(--space-12);flex-direction:column;display:flex}.bank-page{flex:1;gap:8px;min-height:0;overflow:hidden}.bank-page>.page-header{flex-shrink:0}.bank-total{text-align:right;flex-direction:column;align-items:flex-end;line-height:1.15;display:flex}.bank-total-count{color:var(--color-on-background,var(--fg));font-size:15px;font-weight:650}.bank-total-label{color:var(--muted);font-size:11px}.bank-toolbar{flex-direction:column;flex-shrink:0;gap:8px;display:flex}.bank-page .page-header:has(.btn-back) .h1{white-space:nowrap;text-overflow:ellipsis;min-height:0;font-size:20px;overflow:hidden}.bank-page .input{outline:none;height:40px;min-height:40px;padding:0 12px;font-size:14px;line-height:1.2}.bank-page .input:focus,.bank-page .input:focus-visible{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand);outline:none}@supports (color:color-mix(in lab, red, red)){.bank-page .input:focus,.bank-page .input:focus-visible{box-shadow:0 0 0 2px color-mix(in srgb, var(--brand) 28%, transparent)}}.bank-page .pill{flex-shrink:0;min-height:34px;padding:0 12px;font-size:12px}.progress-page>.card,.bank-page .bank-item{padding:14px 16px}.bank-item-row{align-items:flex-end;gap:10px;display:flex}.bank-item-check{flex-shrink:0;align-self:flex-start;width:18px;height:18px;margin:4px 0 6px}.bank-item-main{flex-direction:column;flex:1;gap:8px;min-width:0;display:flex}.bank-item-tags{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.bank-item-tags .chip{text-overflow:ellipsis;max-width:100%;overflow:hidden}.progress-page .card>.h2{margin:0 0 10px}.progress-page>.card.progress-chart{height:176px;padding:14px 16px 8px}.progress-chart-plot{touch-action:pan-y;grid-template-rows:118px;grid-template-columns:36px 1fr;height:118px;min-height:118px;display:grid;overflow:clip}.progress-chart-y{height:96px;color:var(--on-muted);text-align:right;flex-direction:column;justify-content:space-between;padding-right:6px;font-size:11px;display:flex}.progress-chart-body{touch-action:pan-y;flex-direction:column;min-width:0;height:118px;display:flex;overflow:clip}.progress-chart-body svg{flex:none;width:100%;height:96px;display:block;overflow:visible}.progress-chart-x{height:22px;color:var(--on-muted);justify-content:space-between;align-items:flex-end;font-size:11px;display:flex}.progress-page .mastery>span{transition:none}.progress-chart .row-between{margin-bottom:4px}.progress-bars{touch-action:pan-y;flex-direction:column;gap:10px;display:flex}.progress-bars>*{margin:0}.list-stack{gap:var(--space-12);flex-direction:column;display:flex}.virtual-list-host{flex-direction:column;flex:1;min-height:0;display:flex;position:relative;overflow:hidden}.virtual-list-host>.list-stack,.virtual-list-host>.virtual-review-list{flex:auto;min-height:0}.bank-page .list-stack{overscroll-behavior-y:contain;touch-action:pan-y;-webkit-overflow-scrolling:touch;flex:1;gap:8px;min-height:0;padding-bottom:4px;overflow:hidden auto}.virtual-review-list{overscroll-behavior-y:contain;touch-action:pan-y;-webkit-overflow-scrolling:touch;flex:1;height:100%;min-height:0;overflow:hidden auto}.list-stack>.card{padding:14px 16px}.bank-item-stem{letter-spacing:-.01em;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;margin-top:0;font-size:13px;font-weight:550;line-height:1.35;display:-webkit-box;overflow:hidden}.bank-virtual-row{box-sizing:border-box;flex-direction:column;height:100%;padding-bottom:8px;display:flex}.bank-infeed-slot{flex:none;height:260px;margin:0 0 8px;overflow:hidden}.bank-infeed-slot .ad-slot-infeed{height:100%;margin:0}.bank-page .bank-item{padding:10px 12px}.bank-item-main,.bank-item-tags{gap:6px}.bank-item-tags .chip{min-height:22px;padding:0 8px;font-size:10px;font-weight:650}.bank-page .filter-bar{gap:8px}.bank-page .pill-row{-webkit-overflow-scrolling:touch;margin:0 calc(-1 * var(--page-pad));padding:0 var(--page-pad) 10px;flex-wrap:nowrap;flex-shrink:0;gap:8px;display:flex;overflow:auto hidden}.bank-page .filter-dropdowns{flex-wrap:nowrap;flex-shrink:0;gap:8px;padding-bottom:10px;display:flex;overflow:auto hidden}.bank-page .filter-dropdowns .pill{box-sizing:border-box;border-radius:var(--radius-input);flex:0 auto;justify-content:space-between;max-width:min(100%,220px);height:40px;min-height:40px;padding:0 12px;font-size:14px}.bank-filters{flex-direction:column;gap:8px;padding-bottom:8px;display:flex}.bank-filter-row .pill:first-child{flex:auto;min-width:0;max-width:none}.bank-filter-row .pill:last-child{flex:none}.bank-list-empty{flex:1;min-height:0;overflow:hidden auto}.bank-load-more{justify-content:center;align-items:center;gap:10px;min-height:48px;padding:8px 0 16px;display:flex}.bank-load-more-spinner{border-width:2px;width:20px;height:20px}.bank-load-more-spacer{min-height:20px;display:block}.bank-diff-picker{flex-direction:column;gap:4px;display:flex}.bank-diff-picker .picker-option{width:100%}.bank-count-picker{flex-direction:column;gap:4px;margin:0;display:flex}.bank-count-label{color:var(--on-muted);font-size:12px;font-weight:600;line-height:1.2}.bank-count-row{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;display:grid}.bank-count-row .pill{border-radius:var(--radius-well);justify-content:center;width:100%;min-width:0;height:36px;min-height:36px;padding:0 4px;font-size:12px;font-weight:600;line-height:1}.sticky-footer{z-index:20;padding:0 0 calc(8px + env(safe-area-inset-bottom));background:0 0;border:0;margin-top:12px;position:sticky;bottom:0}.bank-page .sticky-footer,.mock-results .sticky-footer,.practice-results .sticky-footer{padding:6px 0 calc(12px + env(safe-area-inset-bottom));background:0 0;border:0;flex-shrink:0;margin-top:auto;position:static}.mock-results{flex-direction:column;flex:1;gap:8px;min-height:0;display:flex;overflow:hidden}.mock-setup{flex-direction:column;flex:1;gap:0;min-height:0;display:flex;overflow:hidden}.mock-setup-scroll{overscroll-behavior-y:contain;touch-action:pan-y;min-height:0;padding-bottom:calc(72px + env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch;flex-direction:column;flex:1;gap:12px;display:flex;overflow:hidden auto}.mock-setup-intro{margin:0;font-size:14px;line-height:1.35}.mock-setup-section{flex-direction:column;gap:8px;display:flex}.mock-setup-section .h2{margin:0;font-size:16px}.mock-setup-sections{flex-direction:column;gap:8px;display:flex}.mock-setup-card{text-align:left;background:var(--surface);border:1px solid var(--card-border);border-radius:var(--radius-btn);cursor:pointer;align-items:flex-start;gap:12px;width:100%;padding:12px;transition:border-color .12s,background .12s;display:flex}.mock-setup-card[data-on=true]{border-color:var(--brand);background:var(--brand);border-width:2px;padding:11px}@supports (color:color-mix(in lab, red, red)){.mock-setup-card[data-on=true]{background:color-mix(in srgb, var(--brand) 8%, var(--surface))}}.mock-setup-card:disabled{opacity:.45;cursor:not-allowed}.mock-setup-radio{border:2px solid var(--card-border);box-sizing:border-box;border-radius:999px;flex-shrink:0;width:22px;height:22px;margin-top:1px}.mock-setup-radio[data-on=true]{border:6px solid var(--brand);background:#fff}.mock-setup-card-body{flex-direction:column;gap:2px;min-width:0;display:flex}.mock-setup-card-title{color:var(--text);font-size:15px;font-weight:600;line-height:1.25}.mock-setup-card-body .muted{margin:0;font-size:13px;line-height:1.3}.mock-setup-card-meta{font-size:12px!important}.mock-setup-summary{text-align:center;margin:0;font-size:13px}.mock-setup .option-row{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;display:grid}.mock-setup .option-row .pill{width:100%;min-width:0;padding:0 6px}.mock-setup .sticky-footer{z-index:40;box-sizing:border-box;width:min(720px,100%);padding:12px var(--page-pad) calc(12px + env(safe-area-inset-bottom));background:0 0;border:0;margin:0;position:fixed;bottom:0;left:50%;transform:translate(-50%)}@media (min-width:900px){.mock-setup .sticky-footer{width:min(960px,100%)}}@media (min-width:1200px){.app-shell-frame[data-rails=true] .mock-setup .sticky-footer{width:min(720px,100%)}}@media (min-width:1400px){.app-shell-frame[data-rails=true] .mock-setup .sticky-footer{width:min(840px,100%)}}.mock-results-scroll{overscroll-behavior-y:contain;touch-action:pan-y;gap:var(--space-16);min-height:0;padding-bottom:calc(28px + env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch;flex-direction:column;flex:1;display:flex;overflow:hidden auto}.mock-results-review{flex-direction:column;flex:1;gap:12px;min-height:0;display:flex}:is(.mock-results-scroll:has(.mock-results-review),.practice-results-scroll:has(.mock-results-review)){padding-bottom:calc(12px + env(safe-area-inset-bottom));overflow:hidden}.score-ring{width:160px;height:160px;margin:0 auto;position:relative}.score-ring-label{pointer-events:none;flex-direction:column;justify-content:center;align-items:center;gap:2px;display:flex;position:absolute;inset:0}.score-ring-percent{letter-spacing:-.04em;color:var(--on-surface);font-size:36px;font-weight:700;line-height:1}.score-ring-caption{letter-spacing:.08em;color:var(--on-muted);font-size:11px;font-weight:700}.score-ring-arc{transition:stroke-dashoffset .9s cubic-bezier(.4,0,.2,1)}.results-hero-card{text-align:center;flex-direction:column;align-items:center;gap:12px;padding:28px 16px 24px;display:flex}.results-band-chip{border-radius:var(--radius-chip);align-items:center;gap:6px;min-height:32px;padding:0 14px;font-size:13px;font-weight:700;display:inline-flex}.results-band-chip[data-tone=outstanding],.results-band-chip[data-tone=great],.results-pass-chip{color:var(--success-strong);background:var(--success-soft)}.results-band-chip[data-tone=good]{color:var(--warning-strong);background:var(--warning-soft)}.results-band-chip[data-tone=keep],.results-fail-chip{color:var(--error-strong);background:var(--error-soft)}.results-hero-caption{color:var(--on-muted);max-width:28ch;margin:0;font-size:14px}.results-stat-tiles{grid-template-columns:repeat(3,1fr);gap:8px;width:100%;display:grid}.results-stat-tile{background:var(--surface);border:1px solid var(--card-border);border-radius:var(--radius-tile);text-align:left;padding:12px 8px}.results-stat-label{letter-spacing:.06em;text-transform:uppercase;color:var(--on-muted);margin-bottom:4px;font-size:10px;font-weight:700}.results-stat-value{letter-spacing:-.02em;color:var(--on-surface);font-size:16px;font-weight:700;line-height:1.25}.results-stat-tile.tone-brand .results-stat-value{color:var(--brand)}.results-stat-tile.tone-success .results-stat-value{color:var(--success-strong)}.results-stat-tile.tone-danger .results-stat-value{color:var(--error-strong)}.results-actions{flex-direction:column;gap:10px;width:100%;padding-top:4px;padding-bottom:4px;display:flex}.mock-results-subjects{flex-direction:column;gap:4px;display:flex}.mock-results-subjects .h2{margin-bottom:8px}.mock-results-subject{flex-direction:column;gap:6px;padding:10px 0;display:flex}.mock-results-subject+.mock-results-subject{border-top:1px solid var(--card-border)}.mock-results-subject-row{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.mock-results-subject-name{color:var(--on-surface);text-align:left;font-size:14px;font-weight:650}.mock-results-subject-bar{width:100%;height:8px}.mock-results-subject[data-tone=good] .mock-results-subject-bar>span{background:var(--success)}.mock-results-subject[data-tone=ok] .mock-results-subject-bar>span{background:var(--warning)}.mock-results-subject[data-tone=low] .mock-results-subject-bar>span{background:var(--error)}.practice-results{flex-direction:column;flex:1;gap:8px;min-height:0;display:flex;overflow:hidden}.practice-results-scroll{overscroll-behavior-y:contain;touch-action:pan-y;gap:var(--space-16);min-height:0;padding-bottom:calc(28px + env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch;flex-direction:column;flex:1;display:flex;overflow:hidden auto}.mock-review-card{margin-bottom:12px;padding:12px 16px}.mock-review-status{letter-spacing:.01em;margin:0;font-size:12px;font-weight:650}.mock-review-status[data-tone=pass]{color:var(--success-strong)}.mock-review-status[data-tone=fail]{color:var(--error-strong)}.mock-review-card .mock-review-stem{color:var(--on-surface);margin:6px 0 10px;font-size:15px;font-weight:600;line-height:1.4}.mock-review-choices{flex-direction:column;gap:6px;display:flex}.mock-review-choice{border-radius:var(--radius-btn);border:1.5px solid var(--card-border);background:var(--surface);align-items:center;gap:10px;padding:10px 12px;display:flex}.mock-review-choice[data-tone=correct]{border-color:var(--success);background:var(--success-soft)}@supports (color:color-mix(in lab, red, red)){.mock-review-choice[data-tone=correct]{background:color-mix(in srgb, var(--success-soft) 70%, var(--surface))}}.mock-review-choice[data-tone=wrong]{border-color:var(--error);background:var(--error-soft)}@supports (color:color-mix(in lab, red, 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env(safe-area-inset-bottom))}.empty-state{text-align:center;padding:16px 12px}.card .empty-state{box-shadow:none;background:0 0;border:0;padding:8px 4px}.empty-state .btn-primary,.empty-state .btn-ghost{margin-top:12px}.heatmap{touch-action:pan-y;grid-template-columns:repeat(7,1fr);gap:8px;display:grid}.heatmap-cell{background:var(--slate-200);border-radius:10px;place-items:center;height:40px;font-size:11px;font-weight:700;display:grid}@supports (color:color-mix(in lab, red, red)){.heatmap-cell{background:color-mix(in srgb, var(--slate-200) 70%, transparent)}}.heatmap-cell{color:var(--on-muted);touch-action:pan-y;border:1.5px solid #0000}.heatmap-cell[data-on=true]{background:var(--surface);border-color:var(--brand);color:var(--brand)}.alert-banner{border-radius:var(--radius-well);background:var(--warning-soft);border:1px solid var(--warning);align-items:flex-start;gap:10px;padding:12px 14px;display:flex}@supports (color:color-mix(in lab, red, red)){.alert-banner{border:1px solid color-mix(in srgb, var(--warning) 28%, transparent)}}.alert-banner{color:var(--warning-strong);font-size:13px;line-height:1.4}.alert-banner strong{flex-shrink:0}.segmented.cols-3{grid-template-columns:1fr 1fr 1fr}.segmented.compact button{min-height:36px;padding:0 4px}.library-correct{border-radius:var(--radius-well);background:var(--slate-200);margin-top:10px;padding:8px 12px}@supports (color:color-mix(in lab, red, red)){.library-correct{background:color-mix(in srgb, var(--slate-200) 55%, transparent)}}.library-correct{color:var(--on-muted);font-size:13px}.library-correct strong{color:var(--success-strong);font-weight:650}.library-card-foot{justify-content:space-between;align-items:center;gap:12px;margin-top:12px;display:flex}.library-card-foot .btn-primary{width:auto;min-height:36px;padding:0 14px;font-size:13px}.library-unsave{color:var(--on-muted);cursor:pointer;background:0 0;border:0;min-height:36px;padding:4px 8px;font-size:13px;font-weight:650}.has-bottom-sticky .main-scroll{padding-bottom:calc(120px + env(safe-area-inset-bottom))}.lb-page{flex-direction:column;flex:none;align-items:stretch;gap:16px;width:100%;padding-bottom:8px;display:flex}.lb-header{gap:12px;display:grid}.lb-header-row{align-items:flex-start;gap:2px;display:flex}.lb-header-row h1{color:var(--on-surface);margin:0;padding-top:2px;font-weight:700;line-height:1.2}.lb-icon-btn{width:28px;height:28px;color:var(--on-muted);cursor:pointer;background:0 0;border:0;border-radius:8px;flex-shrink:0;place-items:center;margin:0;padding:0;display:grid}.lb-icon-btn.brand{color:var(--brand)}.lb-icon-btn:disabled{opacity:.45;cursor:not-allowed}.lb-icon-btn svg{width:18px;height:18px}.lb-icon-btn svg.spin{animation:.8s linear infinite lb-spin}@keyframes lb-spin{to{transform:rotate(360deg)}}.lb-header-actions{align-items:flex-start;gap:0;margin-left:auto;display:flex}.lb-leave-text{min-height:28px;color:var(--brand);cursor:pointer;background:0 0;border:0;padding:0 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