.session-score-status-card,.session-rating-panel,.session-score-overlay{color:var(--sn-color-text-primary)}.progress-bar{position:relative;height:10px;width:100%;border-radius:999px;background:var(--sn-color-divider);overflow:hidden}.progress-bar span{display:block;height:100%;border-radius:inherit;background:var(--sn-color-brand)}.large-progress{height:14px}.audio-player{width:100%}.session-player{display:grid;gap:22px}.session-player-shell{position:fixed;top:0;right:0;bottom:0;left:0;z-index:30;display:grid;grid-template-rows:minmax(0,1fr);gap:0;padding:calc(12px + env(safe-area-inset-top)) calc(12px + env(safe-area-inset-right)) calc(12px + env(safe-area-inset-bottom)) calc(12px + env(safe-area-inset-left));background:var(--sn-color-app-background);min-height:100vh;min-height:100dvh}.session-player-shell-fullscreen{padding:calc(6px + env(safe-area-inset-top)) calc(6px + env(safe-area-inset-right)) calc(6px + env(safe-area-inset-bottom)) calc(6px + env(safe-area-inset-left))}.session-floating-exit,.session-control-button{border:0;cursor:pointer;font:inherit}.session-floating-exit{position:fixed;top:calc(14px + env(safe-area-inset-top));left:calc(14px + env(safe-area-inset-left));z-index:34;display:grid;place-items:center;width:36px;height:36px;padding:0;border-radius:999px;color:var(--sn-color-text-secondary);background:var(--sn-color-surface);border:1px solid var(--sn-color-border);box-shadow:var(--sn-shadow-card);backdrop-filter:blur(10px) saturate(108%);-webkit-backdrop-filter:blur(10px) saturate(108%);line-height:1;transition:background .16s ease,border-color .16s ease,transform .16s ease}.session-floating-exit:hover{color:var(--sn-color-brand);background:var(--sn-color-surface-subtle);border-color:var(--sn-color-brand-border)}.session-floating-exit:active{transform:scale(.97)}.session-floating-exit:disabled,.session-control-button:disabled,.session-rating-action:disabled{opacity:.5;cursor:not-allowed}.session-hud-label,.session-control-readout-label{color:var(--sn-color-text-secondary);font-size:.68rem;text-transform:uppercase;letter-spacing:0}.session-player-stage{min-height:0;overflow:auto;--session-transport-safety-area: 256px;background:var(--sn-color-app-background);scroll-padding-bottom:calc(var(--session-transport-safety-area) + env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch}.session-immersive-score{position:relative;min-height:100%;padding:clamp(22px,3vw,44px) clamp(14px,3.4vw,48px) calc(var(--session-transport-safety-area) + env(safe-area-inset-bottom));background:var(--sn-color-app-background)}.session-player-shell-fullscreen .session-player-stage{--session-transport-safety-area: 240px}.session-player-shell-fullscreen .session-immersive-score{padding:clamp(10px,1.3vw,20px) clamp(6px,1.2vw,18px) calc(var(--session-transport-safety-area) + env(safe-area-inset-bottom))}.session-score-surface{width:min(100%,1240px);margin:0 auto;padding:clamp(8px,1.25vw,16px);border-radius:14px;background:transparent;border:0;box-shadow:none;transition:opacity .16s ease,filter .16s ease}.session-player-shell-fullscreen .session-score-surface{width:100%;padding:0;background:transparent}.session-score-surface-muted{opacity:.24;filter:blur(.75px)}.triad-grid{display:grid;--triad-visible-system-count: 2.35;--triad-stage-reserved-height: 280px;gap:10px;max-width:980px;margin:0 auto}.triad-grid-subtitle,.triad-grid-state{margin:0;color:var(--sn-color-text-secondary)}.triad-grid-subtitle,.triad-grid-state{text-align:center}.triad-grid-state{padding:28px}.triad-grid-state-error{color:var(--sn-color-danger)}.triad-grid-systems{display:grid;gap:14px}.triad-grid-system{display:grid;grid-template-columns:repeat(var(--triad-grid-measures-per-system),minmax(0,1fr));overflow:hidden;min-height:clamp(170px,calc((100dvh - var(--triad-stage-reserved-height)) / var(--triad-visible-system-count)),230px);background:var(--sn-color-surface);border:1px solid var(--sn-color-border);border-radius:10px}.triad-grid-measure{display:grid;gap:8px;grid-template-rows:auto minmax(0,1fr);padding:10px 12px;color:var(--sn-color-text-primary);text-align:left;background:transparent;border:0;border-radius:0;cursor:pointer}.triad-grid-measure+.triad-grid-measure{border-left:1px solid var(--sn-color-border)}.triad-grid-measure:hover,.triad-grid-measure:focus-visible{background:var(--sn-color-surface-subtle);outline:none}.triad-grid-measure.active{background:var(--sn-color-surface-subtle);box-shadow:inset 0 2px 0 var(--sn-color-brand-border)}.triad-grid-measure.selected:not(.active){box-shadow:inset 0 -2px 0 var(--sn-color-brand-border)}.triad-grid-measure-number{color:var(--sn-color-text-secondary);font-size:.72rem;font-weight:600}.triad-grid-events{display:flex;min-width:0;align-items:stretch;min-height:0}.triad-grid-event{display:grid;min-width:0;min-height:52px;place-items:center;padding:6px 4px;color:var(--sn-color-text-primary);font-size:clamp(1.05rem,2vw,1.5rem);font-weight:700}.triad-grid-event+.triad-grid-event{border-left:1px solid var(--sn-color-border)}.triad-grid-event.active{background:var(--sn-color-surface-subtle);color:var(--sn-color-brand);box-shadow:inset 0 -3px 0 var(--sn-color-brand)}@media(max-width:720px){.triad-grid{--triad-visible-system-count: 2.1;--triad-stage-reserved-height: 230px}.triad-grid-system{min-height:clamp(120px,calc((100dvh - var(--triad-stage-reserved-height)) / var(--triad-visible-system-count)),180px)}.triad-grid-measure{padding:9px 10px}.triad-grid-event{min-height:50px;font-size:clamp(.84rem,4vw,1.1rem)}}@media(max-width:440px){.triad-grid-system{grid-template-columns:1fr}.triad-grid-measure+.triad-grid-measure{border-top:1px solid var(--sn-color-border);border-left:0}}.session-immersive-score .score-wrapper{min-height:auto}.session-immersive-score .score-canvas{min-height:100%}.session-immersive-score .score-canvas svg{display:block;width:min(100%,1160px);margin:0 auto 30px;background:var(--sn-color-surface);border:1px solid var(--sn-color-border);border-radius:10px;padding:clamp(22px,2.8vw,38px) clamp(18px,2.6vw,34px) clamp(20px,2.4vw,32px);box-shadow:var(--sn-shadow-card)}.session-player-shell-fullscreen .session-immersive-score .score-canvas svg{width:100%;margin-bottom:20px;padding:clamp(14px,1.8vw,24px) clamp(10px,1.4vw,20px) clamp(12px,1.4vw,18px)}.session-score-overlay{position:sticky;z-index:2;display:flex;justify-content:center;pointer-events:none}.session-score-phase-overlay{top:0;margin-bottom:16px}.session-score-status-card,.session-rating-panel{display:grid;gap:10px;width:min(100%,420px);padding:18px 20px;border-radius:14px;background:var(--sn-color-surface);border:1px solid var(--sn-color-border);box-shadow:var(--sn-shadow-card)}.session-score-status-card span,.session-rating-panel p{color:var(--sn-color-text-secondary)}.session-score-rating-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:24px}.score-player-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:35;display:grid;place-items:center;padding:calc(22px + env(safe-area-inset-top)) calc(22px + env(safe-area-inset-right)) calc(22px + env(safe-area-inset-bottom)) calc(22px + env(safe-area-inset-left));pointer-events:none}.score-player-overlay-completion{background:#2d2a232e}.exercise-guidance-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:36;display:grid;place-items:center;padding:calc(22px + env(safe-area-inset-top)) calc(22px + env(safe-area-inset-right)) calc(22px + env(safe-area-inset-bottom)) calc(22px + env(safe-area-inset-left));background:#1c202247;pointer-events:auto}.exercise-guidance-dialog{display:grid;gap:12px;width:min(100%,460px);max-height:min(720px,calc(100vh - 44px - env(safe-area-inset-top) - env(safe-area-inset-bottom)));padding:22px 24px;overflow:auto;border-radius:16px;color:var(--sn-color-text-primary);background:var(--sn-color-surface);border:1px solid var(--sn-color-border);box-shadow:var(--sn-shadow-card);text-align:left;overscroll-behavior:contain}.exercise-guidance-dialog h2{margin:0;color:var(--sn-color-text-primary);font-family:var(--font-display);font-size:1.45rem;line-height:1.12;letter-spacing:0}.exercise-guidance-body{display:grid;gap:9px}.exercise-guidance-body p{margin:0;color:var(--sn-color-text-secondary);font-size:.96rem;line-height:1.48}.exercise-guidance-preference{display:flex;gap:9px;align-items:flex-start;padding:11px 12px;border-radius:10px;color:var(--sn-color-text-secondary);background:var(--sn-color-surface-subtle);border:1px solid var(--sn-color-border);font-size:.86rem;font-weight:600;line-height:1.32}.exercise-guidance-preference input{width:18px;height:18px;margin:1px 0 0;accent-color:var(--sn-color-brand)}.exercise-guidance-actions{display:flex;justify-content:flex-end}.exercise-guidance-actions .score-player-overlay-action{min-width:160px}.score-player-overlay-panel{display:grid;gap:12px;width:min(100%,440px);padding:24px;border-radius:14px;color:var(--sn-color-text-primary);background:var(--sn-color-surface);border:1px solid var(--sn-color-border);box-shadow:var(--sn-shadow-card);text-align:center;pointer-events:auto}.score-player-overlay-count-in .score-player-overlay-panel{gap:6px;width:min(100%,360px);padding:24px 28px 28px}.score-player-overlay-completion .score-player-overlay-panel{width:min(100%,720px);max-height:min(760px,calc(100vh - 44px - env(safe-area-inset-top) - env(safe-area-inset-bottom)));padding:clamp(20px,3vw,30px);overflow:auto;overscroll-behavior:contain}.score-player-overlay-panel h2{margin:0;font-family:var(--font-display);line-height:1.12;letter-spacing:0;color:var(--sn-color-text-primary)}.score-player-overlay-description{margin:0;color:var(--sn-color-text-secondary)}.score-player-overlay-completion 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.score-player-overlay-description{margin-top:2px;color:var(--sn-color-brand);font-family:var(--font-display);font-size:clamp(2.7rem,6vw,4.3rem);font-weight:700;line-height:1;font-variant-numeric:tabular-nums}.score-player-overlay-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:4px}.score-player-overlay-completion .score-player-overlay-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(138px,1fr));gap:9px;margin-top:0}.score-player-overlay-action{min-height:var(--touch-target);padding:0 14px;border-radius:10px;border:1px solid var(--sn-color-border);color:var(--sn-color-text-primary);background:var(--sn-color-surface);cursor:pointer;font:inherit;font-weight:700;transition:transform .12s ease,background .16s ease,border-color .16s ease,opacity .16s ease}.score-player-overlay-action.primary{color:var(--sn-color-surface);background:var(--sn-color-brand);border-color:var(--sn-color-brand);box-shadow:var(--sn-shadow-card)}.score-player-overlay-completion .score-player-overlay-action{width:100%}.score-player-assessment-summary{padding:2px 0 0;border-radius:0;background:transparent;border:1px solid var(--sn-color-border);border-width:1px 0 0}.score-player-assessment-summary-status{margin:0;color:var(--sn-color-text-primary);font-size:1rem;font-weight:700;line-height:1.25}.score-player-assessment-summary-overall{margin:0;color:var(--sn-color-text-secondary);font-size:.92rem;font-weight:600;line-height:1.35}.score-player-assessment-summary-list{display:flex;flex-wrap:wrap;gap:7px;margin:2px 0 0;padding:0;list-style:none}.score-player-assessment-summary-item{margin:0;padding:6px 9px;border-radius:10px;background:var(--sn-color-surface-subtle);border:1px solid var(--sn-color-border);color:var(--sn-color-text-secondary);font-size:.8rem;line-height:1.25}.score-player-overlay-action:active{transform:scale(.98)}.session-floating-exit:focus-visible,.exercise-guidance-preference input:focus-visible,.score-player-overlay-action:focus-visible,.score-player-assessment-level:focus-visible,.free-player-instructions-button:focus-visible,.transport-button:focus-visible,.transport-layout-button:focus-visible,.transport-tempo-reset:focus-visible{outline:none;box-shadow:var(--sn-focus-ring)}.score-player-overlay-action:disabled{opacity:.5;cursor:not-allowed}.score-player-assessment-grid{display:grid;border-top:1px solid var(--sn-color-divider)}.score-player-assessment-actions{display:flex;justify-content:center;margin-top:-2px;padding-top:14px;border-top:1px solid var(--sn-color-divider)}.score-player-assessment-criterion{display:grid;grid-template-columns:minmax(175px,.8fr) minmax(0,1.45fr);gap:20px;align-items:center;padding:14px 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ease,opacity .16s ease}.score-player-assessment-level:hover{background:var(--sn-color-surface-subtle);border-color:var(--sn-color-text-secondary)}.score-player-assessment-level.selected{font-weight:800;box-shadow:inset 0 0 0 1px 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env(safe-area-inset-bottom));transform:translate(-50%);background:linear-gradient(180deg,transparent,var(--sn-color-app-background));pointer-events:none}.score-transport{--transport-accent: var(--sn-color-brand);--transport-accent-strong: var(--sn-color-brand);--transport-accent-soft: var(--sn-color-brand-soft);--transport-accent-faint: var(--sn-color-surface-subtle);--transport-ink: var(--sn-color-text-primary);--transport-muted: var(--sn-color-text-secondary);--transport-line: var(--sn-color-divider);--transport-control: var(--sn-color-surface);--transport-control-hover: var(--sn-color-surface-subtle);--transport-control-pressed: var(--sn-color-brand-soft);position:relative;display:grid;justify-items:center;width:fit-content;max-width:100%}.score-transport-bar{display:flex;flex-wrap:nowrap;gap:7px;align-items:center;justify-content:center;width:fit-content;max-width:100%;margin:0 auto;padding:9px;border-radius:16px;background:var(--sn-color-surface);border:1px solid var(--sn-color-border);box-shadow:var(--sn-shadow-card)}.free-player-controls-stack{display:grid;gap:8px;justify-items:center;width:fit-content;max-width:min(100%,1060px)}.free-player-reading-mask-indicator{display:flex;gap:6px;align-items:center;justify-content:center;width:fit-content;max-width:100%;min-height:34px;padding:0 12px;border-radius:999px;color:var(--sn-color-text-secondary);font-size:.76rem;font-weight:650;line-height:1;letter-spacing:.01em;background:var(--sn-color-surface-subtle);border:1px solid var(--sn-color-border);box-shadow:none}.free-player-instructions-button{min-height:36px;padding:0 14px;border:1px solid var(--sn-color-border);border-radius:10px;color:var(--sn-color-brand);background:var(--sn-color-surface);box-shadow:var(--sn-shadow-card);cursor:pointer;font:inherit;font-size:.82rem;font-weight:700;line-height:1}.free-player-instructions-button:hover{color:var(--sn-color-brand-hover);background:var(--sn-color-surface-subtle);border-color:var(--sn-color-brand-border)}.transport-group{display:flex;gap:6px;align-items:center;min-height:44px;padding:4px;border:1px solid transparent;border-radius:12px;background:transparent}.transport-group-core{gap:6px;padding-right:9px;border-right-color:var(--transport-line)}.transport-group-tempo{flex:0 1 auto;padding:0;border-color:var(--sn-color-border);background:var(--sn-color-surface-subtle)}.transport-group-metronome,.transport-group-fullscreen,.transport-group-options{padding:4px 2px}.transport-group-options{padding-left:9px;border-left-color:var(--transport-line)}.transport-button{min-height:44px;border-radius:10px;padding:0 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ease}.transport-button:hover{color:var(--sn-color-brand);background:var(--sn-color-surface-subtle);border-color:var(--sn-color-brand-border)}.transport-button:disabled:hover{transform:none}.transport-button:disabled:active,.transport-layout-button:disabled:active{transform:none}.transport-button:active{color:var(--sn-color-brand);background:var(--sn-color-brand-soft);border-color:var(--sn-color-brand-border);box-shadow:none;transform:scale(.98)}.transport-button-icon{display:inline-grid;place-items:center;width:44px;min-width:44px;height:44px;padding:0;font-size:1.08rem;line-height:1}.transport-button.primary{width:52px;min-width:52px;height:52px;border-radius:13px;color:var(--sn-color-surface);background:var(--sn-color-brand);border-color:var(--sn-color-brand);box-shadow:var(--sn-shadow-card)}.transport-button.primary:hover{background:var(--sn-color-brand-hover);border-color:var(--sn-color-brand-hover)}.transport-toggle{position:relative;display:inline-grid;place-items:center;min-width:44px;min-height:44px;color:var(--sn-color-text-primary);background:var(--sn-color-surface);padding:0 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strong,.metric-value,.tempo-display strong{display:block;font-size:1.25rem}.sidebar-profile strong{color:var(--ink-soft);font-size:.8rem;font-weight:600;line-height:1.35}.sidebar-profile-copy{display:grid;gap:4px}.sidebar-profile-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;min-width:0}.sidebar-profile-email{display:block;color:var(--muted);font-size:.68rem;line-height:1.35;overflow-wrap:anywhere}.sidebar-profile-mode{min-height:20px;padding:2px 7px;font-size:.65rem}.sidebar-profile .button.sidebar-sign-out{font-family:var(--font-display);width:fit-content;min-height:32px;padding:6px 10px;border-radius:10px;font-size:.82rem;font-weight:600;justify-self:start}.content-shell{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh;width:100%;max-width:var(--content-max);justify-self:center;border-radius:0;background:transparent;border:0;overflow:visible}.content-area{width:100%;padding:4px 0 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var(--sn-shadow-card);--progress-inner-surface: var(--sn-color-surface-subtle);--progress-lesson-ink: var(--sn-status-opened);--progress-lesson-border: var(--sn-status-opened-border);--progress-success-ink: var(--sn-status-secure);--progress-success-border: var(--sn-status-secure-border);--progress-neutral-ink: var(--sn-status-neutral);--progress-neutral-border: var(--sn-status-neutral-border);--progress-momentum-ink: var(--sn-status-opened);--progress-momentum-border: var(--sn-status-opened-border);--progress-momentum-surface-top: var(--sn-color-surface);--progress-momentum-surface-bottom: var(--sn-color-surface);--progress-momentum-ring: var(--sn-status-opened);--progress-momentum-ring-track: var(--sn-status-neutral-border);--progress-momentum-ring-shadow: transparent}.progress-page :is(.progress-hero,.progress-summary-panel,.progress-lessons-panel,.progress-free-panel,.progress-teacher-panel){border:1px solid 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var(--border-paper);border-radius:var(--radius-control);background:var(--surface-paper-inset);color:var(--control-text);font-size:.9rem;font-weight:500;letter-spacing:0;text-transform:none;transition:background .16s ease,border-color .16s ease,box-shadow .16s ease}.exercise-search-control input{padding:0 13px}.exercise-search-control input:hover{background:var(--surface-paper-panel-soft);border-color:var(--control-border-hover);box-shadow:var(--shadow-focus-soft)}.exercise-catalogue-controls{display:grid;grid-template-columns:minmax(0,.45fr) minmax(0,.55fr);gap:10px 16px;align-items:start;padding:12px 14px;border:1px solid var(--border-paper);background:var(--surface-paper-panel-soft);box-shadow:var(--shadow-soft);overflow:visible}.exercise-status-filters{display:grid;gap:6px;align-content:start;min-width:0;margin:0;padding:0;border:0}.exercise-status-filters legend{padding:0;color:var(--muted-strong);font-size:.72rem;font-weight:700;letter-spacing:0;margin:0;text-transform:uppercase}.exercise-filter-options{display:flex;flex-wrap:nowrap;gap:5px;min-width:0}.exercise-filter-option{position:relative;display:inline-flex;align-items:center;min-height:26px;padding:3px 9px;border:1px solid var(--border-paper);border-radius:999px;background:var(--surface-paper-inset);color:var(--muted-strong);font-size:.72rem;font-weight:700;line-height:1.15;white-space:nowrap;cursor:pointer;transition:background .16s ease,border-color .16s ease,box-shadow .16s ease,color .16s ease}.exercise-filter-option:hover{background:var(--surface-paper-panel-soft);border-color:var(--control-border-hover);box-shadow:var(--shadow-focus-soft)}.exercise-filter-option:focus-within{outline:var(--focus-ring);outline-offset:var(--focus-ring-offset)}.exercise-filter-option.active{border-color:var(--chip-border-strong);background:linear-gradient(180deg,var(--surface-card-highlight),var(--surface-card-warm-soft));color:var(--accent-strong)}.exercise-filter-option input{position:absolute;opacity:0;pointer-events:none}.exercise-results-summary{margin:0;color:var(--accent-strong);font-size:.76rem;font-weight:700;line-height:1.35}.exercise-clear-filters-button{grid-column:1 / -1;align-self:end;justify-self:end;min-height:36px;padding:7px 10px;white-space:nowrap}.exercise-library-grid{display:grid;gap:8px}.exercise-library-card{--exercise-focus-color: var(--sn-color-border-strong);display:grid;grid-template-columns:minmax(0,1fr) max-content;gap:10px 16px;align-items:start;padding:11px 16px;border:1px solid var(--sn-color-border);border-radius:var(--radius-card);background:var(--sn-color-surface);box-shadow:var(--sn-shadow-card)}.exercise-library-card:hover{border-color:var(--sn-color-border-strong);box-shadow:var(--sn-shadow-card)}.exercise-library-card:focus-within{border-color:var(--sn-color-brand-border);box-shadow:var(--sn-shadow-card),var(--sn-focus-ring)}.exercise-library-card:after{content:"";position:absolute;inset:0 auto 0 0;width:6px;background:var(--exercise-focus-color)}.exercise-library-card--focus-1{--exercise-focus-color: var(--sn-focus-1)}.exercise-library-card--focus-2{--exercise-focus-color: var(--sn-focus-2)}.exercise-library-card--focus-3{--exercise-focus-color: var(--sn-focus-3)}.exercise-library-card--focus-4{--exercise-focus-color: var(--sn-focus-4)}.exercise-library-content{display:grid;gap:4px;min-width:0;align-content:start;padding-right:12px}.exercise-library-content p{margin:0}.exercise-library-topline{display:flex;align-items:center;gap:4px 6px;flex-wrap:wrap}.exercise-library-topline .status-pill{min-height:22px;padding:3px 8px;font-size:.72rem}.exercise-library-card h2{font-size:clamp(1.04rem,.98rem + .16vw,1.18rem);line-height:1.12}.exercise-card-summary{display:-webkit-box;max-width:60ch;overflow:hidden;color:var(--sn-color-text-secondary);font-size:.86rem;line-height:1.34;-webkit-box-orient:vertical;-webkit-line-clamp:1}.exercise-library-context{color:var(--sn-color-text-tertiary);font-size:.68rem;font-weight:600;letter-spacing:0;line-height:1.25;text-transform:none}.exercise-library-focus{color:var(--exercise-focus-color);font-size:.68rem;font-weight:500;line-height:1.25}.exercise-library-topline-separator{color:var(--sn-color-text-tertiary);font-size:.68rem;line-height:1}.exercise-card-goal{color:var(--ink-soft);font-size:.96rem;font-weight:600}.exercise-card-subtitle{color:var(--muted);font-size:.92rem;line-height:1.6}.exercise-library-tags{gap:8px}.exercise-library-tags .tag-chip{background:linear-gradient(180deg,var(--surface-card-highlight),var(--surface-card-warm-faint));color:var(--chip-text-strong)}.exercise-library-actions{display:grid;gap:8px;align-items:start;align-self:center;justify-items:end;min-width:0;padding:0}.exercise-aside-label{color:var(--sn-color-text-tertiary);font-size:.68rem;font-weight:700;letter-spacing:0;line-height:1.3;text-transform:uppercase}.inline-link{color:var(--accent-strong);font-weight:700;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px}.inline-link:hover{color:var(--accent)}.exercise-library-card .status-pill--needs-review{color:var(--sn-status-review);background:var(--sn-status-review-soft);border-color:var(--sn-status-review-border)}.exercise-library-card .status-pill--practicing,.exercise-library-card .status-pill--opened,.exercise-library-card .status-pill--readable{color:var(--sn-status-opened);background:var(--sn-status-opened-soft);border-color:var(--sn-status-opened-border)}.exercise-library-card .status-pill--secure,.exercise-library-card .status-pill--completed{color:var(--sn-status-secure);background:var(--sn-status-secure-soft);border-color:var(--sn-status-secure-border)}.exercise-library-card .status-pill--neutral{color:var(--sn-status-neutral);background:var(--sn-status-neutral-soft);border-color:var(--sn-status-neutral-border)}.exercise-instructions-button,.lesson-instructions-button{min-height:36px}.exercise-library-actions .lesson-launch-button{justify-self:end}.exercise-library-actions .button-secondary{width:fit-content}.exercise-library-empty{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;padding:22px 24px;border:1px dashed var(--border-accent);background:var(--surface-paper-panel-soft)}.exercise-library-empty h2{margin:0 0 6px;font-size:1.08rem}.exercise-library-empty p{margin:0;color:var(--muted);font-size:.94rem;line-height:1.55}.lessons-page{width:min(100%,1120px);gap:10px;color:var(--sn-color-text-primary)}.lessons-page-header{grid-template-columns:minmax(0,.84fr) minmax(540px,1.16fr);align-items:center;gap:36px;padding:18px 0 28px;overflow:visible;background:transparent;border:0;border-radius:0;box-shadow:none}.lessons-page-header:before{content:none}.lessons-page-header .hero-copy{gap:0;max-width:54ch}.lessons-page-header .eyebrow{justify-self:start;margin:0;padding:5px 10px;border:1px solid var(--sn-status-review-border);border-radius:999px;color:var(--sn-status-review);background:var(--sn-status-review-soft);font-size:.66rem;line-height:1.1}.lessons-hero-accent{display:block;width:32px;height:3px;margin:19px 0 22px 10px;border-radius:999px;background:var(--sn-color-gold)}.lessons-page-header h1{color:var(--sn-color-text-primary);font-family:var(--font-display);font-size:clamp(2.15rem,1.95rem + .65vw,2.55rem);font-weight:600;line-height:1.05}.lessons-page-header .lead{margin:18px 0 0;max-width:52ch;color:var(--sn-color-text-secondary);font-size:.94rem;line-height:1.55;text-wrap:pretty}.lessons-header-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-self:center;gap:14px;min-width:0}.lessons-summary{display:grid;grid-template-columns:48px minmax(0,1fr);grid-template-rows:auto auto;align-content:center;column-gap:13px;row-gap:4px;min-width:0;min-height:136px;padding:18px 15px;border:1px solid var(--sn-color-border);border-radius:14px;background:var(--sn-color-surface);box-shadow:none}.lessons-metric-icon-shell{display:grid;grid-column:1;grid-row:1 / span 2;place-items:center;width:48px;height:48px;border-radius:50%}.lessons-metric-icon{display:block;width:20px;height:20px}.lessons-summary--available .lessons-metric-icon-shell{color:var(--sn-status-neutral);background:var(--sn-status-neutral-soft)}.lessons-summary--completed .lessons-metric-icon-shell{color:var(--sn-status-opened);background:var(--sn-status-opened-soft)}.lessons-summary--guided .lessons-metric-icon-shell{color:var(--sn-status-review);background:var(--sn-status-review-soft)}.lessons-summary .metric-value,.lessons-summary .metric-label{grid-column:2;min-width:0}.lessons-summary .metric-value{align-self:end;color:var(--sn-color-text-primary);font-family:var(--font-display);font-size:2rem;font-weight:500;line-height:.98}.lessons-summary .metric-label{align-self:start;margin:0;color:var(--sn-color-text-primary);font-size:.84rem;line-height:1.45}.lessons-page-grid{gap:8px}.lessons-page-card{--lesson-status-rail: var(--sn-color-text-tertiary);display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,.95fr);gap:0;align-items:stretch;min-height:148px;padding:16px 20px 16px 34px;border-radius:14px;border:1px solid var(--sn-color-border);background:var(--sn-color-surface);box-shadow:var(--sn-shadow-card)}.lessons-page-card--needs_review{--lesson-status-rail: var(--sn-status-review)}.lessons-page-card--in_progress{--lesson-status-rail: var(--sn-status-opened)}.lessons-page-card--complete{--lesson-status-rail: var(--sn-status-secure)}.lessons-page-card:after{content:"";position:absolute;inset:0 auto 0 0;width:6px;background:var(--lesson-status-rail)}.lessons-page-card--complete:after{content:none}.lessons-page-card--complete:before{content:"";position:absolute;inset:0 auto 0 0;width:6px;background:var(--sn-status-secure)}.lessons-card-main{display:grid;gap:6px;min-width:0;align-content:start;padding:0 22px 0 0}.lessons-page-card .section-heading{gap:4px}.lessons-page-card .eyebrow{margin:0;color:var(--sn-color-text-primary);font-size:.68rem}.lessons-page-card h2{color:var(--sn-color-text-primary);font-family:var(--font-display);font-size:clamp(1.28rem,1.18rem + .24vw,1.52rem);font-weight:600;line-height:1.08}.lessons-page-card .lesson-description{display:-webkit-box;max-width:52ch;margin:1px 0 0;overflow:hidden;color:var(--sn-color-text-secondary);font-size:.88rem;line-height:1.42;text-wrap:pretty;-webkit-hyphens:auto;hyphens:auto;overflow-wrap:anywhere;-webkit-box-orient:vertical;-webkit-line-clamp:2}.lessons-card-aside{display:grid;grid-template-rows:auto auto minmax(34px,1fr);gap:12px;justify-items:start;align-content:start;min-width:0;padding:0 0 0 20px;border-left:1px solid var(--sn-color-divider)}.lessons-status-pill--not_started{color:var(--sn-status-neutral);background:var(--sn-status-neutral-soft);border-color:var(--sn-status-neutral-border)}.lessons-status-pill--in_progress{color:var(--sn-status-opened);background:var(--sn-status-opened-soft);border-color:var(--sn-status-opened-border)}.lessons-status-pill--needs_review{color:var(--sn-status-review);background:var(--sn-status-review-soft);border-color:var(--sn-status-review-border)}.lessons-status-pill--complete{color:var(--sn-status-secure);background:var(--sn-status-secure-soft);border-color:var(--sn-status-secure-border)}.lessons-card-progress{display:grid;gap:5px;width:100%;padding:0;border:0}.lessons-progress-topline{display:flex;align-items:baseline;justify-content:space-between;gap:12px;color:var(--sn-color-text-secondary);font-size:.78rem;line-height:1.3}.lessons-progress-topline strong{color:var(--sn-color-brand);font-size:.8rem;font-weight:800}.lessons-progress-track{position:relative;width:100%;height:5px;border-radius:999px;overflow:hidden;background:var(--sn-status-neutral-soft)}.lessons-progress-fill{display:block;height:100%;border-radius:inherit;background:var(--sn-color-brand)}.lessons-page-card--complete .lessons-progress-fill{background:var(--sn-status-secure)}.lessons-card-action{display:inline-flex;align-items:center;justify-content:center;width:min(100%,280px);min-height:34px;padding:7px 11px;border-radius:5px;color:var(--sn-color-brand);background:var(--sn-color-surface);border:1px solid var(--sn-color-brand);font-size:.82rem;font-weight:700;box-shadow:none;align-self:end;justify-self:center}.lessons-card-action--secondary{border-color:var(--sn-color-brand);background:var(--sn-color-surface);color:var(--sn-color-brand)}.lessons-card-action--secondary:hover{border-color:var(--sn-color-brand-hover);background:var(--sn-color-brand-soft);color:var(--sn-color-brand-hover)}.lessons-card-action--primary{min-width:0;border-color:var(--sn-color-brand);background:var(--sn-color-brand);color:#fff;box-shadow:none}.lessons-card-action--primary:hover{border-color:var(--sn-color-brand-hover);background:var(--sn-color-brand-hover)}.lessons-empty-state{display:grid;gap:16px;align-items:center;padding:22px 24px;border:1px dashed var(--border-accent);background:var(--surface-paper-panel-soft)}.lessons-empty-state h2{margin:0 0 6px;font-size:1.08rem}.lessons-empty-state p{margin:0;color:var(--muted);font-size:.94rem;line-height:1.55}.lessons-empty-action{justify-self:flex-start}.lesson-grid,.lesson-sequence-grid{display:grid;gap:12px}.lesson-detail-page{width:min(1120px,100%);gap:14px}.lesson-card{display:grid;gap:18px;border-radius:var(--radius-panel);box-shadow:none}.lesson-description,.exercise-score-subtitle,.exercise-card-subtitle{max-width:88ch;overflow:visible;white-space:pre-line}.lesson-card-footer{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}.lesson-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,320px);gap:10px 20px;align-items:start;width:100%;max-width:none;padding:16px 20px 18px;border:1px solid var(--border-paper-accent);border-radius:var(--radius-panel);background:var(--surface-paper-panel);box-shadow:var(--shadow-card-strong)}.lesson-hero-main{display:grid;gap:10px;max-width:none}.lesson-hero h1{margin:0;color:var(--ink);font-family:var(--font-display);font-size:2.15rem;font-weight:600;line-height:1.08;max-width:18ch}.lesson-hero .lead{margin:0;color:var(--muted-strong);font-size:1rem;line-height:1.65;max-width:68ch}.lesson-hero-summary{display:grid;gap:10px;align-self:stretch;padding:14px;border:1px solid var(--border-paper);border-radius:var(--radius-card);background:var(--surface-paper-inset);box-shadow:inset 0 1px #fffefad1,var(--shadow-card-subtle-soft)}.lesson-hero-summary-topline{display:flex;gap:10px;align-items:flex-start;justify-content:space-between}.lesson-overview-pill--not_started{background:var(--surface-paper-inset);border-color:var(--border-paper);color:var(--muted-strong)}.lesson-overview-pill--in_progress{background:linear-gradient(180deg,var(--surface-card-highlight),var(--surface-card-warm-soft));border-color:var(--border-strong-ivory);color:var(--accent-strong)}.lesson-overview-pill--complete{background:var(--chip-success-surface);border-color:var(--chip-success-border);color:var(--success)}.lesson-summary-recommendation{display:grid;gap:6px;padding:11px 12px 12px;border:1px solid var(--border-paper);border-radius:var(--radius-control);background:var(--surface-paper-panel-soft)}.lesson-summary-recommendation span{color:var(--muted-strong);font-size:.68rem;font-weight:700;letter-spacing:.02em;text-transform:uppercase}.lesson-summary-recommendation strong{color:var(--ink);font-family:var(--font-display);font-size:1.02rem;font-weight:600;line-height:1.35}.lesson-summary-progress{display:grid;gap:8px;padding:10px 12px 11px;border:1px solid var(--border-paper);border-radius:var(--radius-control);background:var(--surface-paper-panel-soft)}.lesson-summary-progress-topline{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.lesson-summary-progress-topline span{color:var(--muted-strong);font-size:.68rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.lesson-summary-progress-topline strong{color:var(--ink);font-family:var(--font-display);font-size:1rem;font-weight:600;line-height:1.3;text-align:right}.lesson-summary-progress-track{display:block;height:6px;border-radius:999px;background:#224f6f17;overflow:hidden}.lesson-summary-progress-track span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#224f6feb,#224f6f94)}.lesson-locked-message{margin:0;padding:10px 12px;border:1px solid var(--border-paper);border-radius:var(--radius-control);background:var(--surface-paper-panel-soft);color:var(--muted-strong);font-size:.88rem;font-weight:600;line-height:1.45}.lesson-summary-button{width:100%;justify-self:stretch}.lesson-sequence-header{display:grid;gap:4px;padding-top:0}.lesson-sequence-header .lead{margin:0;color:var(--muted-strong);font-size:.96rem;line-height:1.6;max-width:68ch}.lesson-timeline{display:grid;gap:0;padding:4px 0 0}.lesson-timeline-step{display:grid;grid-template-columns:54px minmax(0,1fr) auto;gap:14px;align-items:start;min-height:0;position:relative;padding:0 0 20px}.lesson-timeline-step--last{padding-bottom:0}.lesson-timeline-rail{position:relative;display:flex;justify-content:center;align-self:stretch;min-height:100%}.lesson-timeline-rail:before{content:"";position:absolute;top:49px;bottom:-24px;left:50%;width:1px;transform:translate(-50%);background:var(--sn-status-neutral-border)}.lesson-timeline-step--last .lesson-timeline-rail:before{content:none}.lesson-timeline-main{display:grid;gap:8px;min-width:0;padding:16px 17px 17px;border:1px solid var(--border-paper);border-radius:var(--radius-panel);background:var(--surface-paper-panel-soft);box-shadow:var(--shadow-card-subtle);transition:background .16s ease,border-color .16s ease,transform .12s ease}.lesson-timeline-step--locked .lesson-timeline-main{background:var(--sn-color-surface-subtle);border-color:var(--sn-status-neutral-border);box-shadow:none}.lesson-step-marker{align-self:start;justify-self:center}.lesson-exercise-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.lesson-exercise-heading-copy{display:grid;gap:6px;min-width:0}.lesson-exercise-heading .section-heading{gap:3px}.lesson-timeline-main h2,.lesson-exercise-main h2{margin:0;font-family:var(--font-display);font-size:1.1rem;font-weight:600;line-height:1.16}.lesson-step-status{white-space:nowrap}.lesson-step-status--later,.lesson-step-status--locked{background:var(--sn-status-neutral-soft);border-color:var(--sn-status-neutral-border);color:var(--sn-status-neutral)}.lesson-step-status--in_progress{background:var(--sn-status-opened-soft);border-color:var(--sn-status-opened-border);color:var(--sn-status-opened)}.lesson-step-status-marker{position:relative;z-index:2;display:inline-grid;flex:0 0 auto;place-items:center;box-sizing:border-box;width:32px;height:32px;min-width:32px;min-height:32px;border:1px solid var(--sn-status-neutral-border);border-radius:50%;color:var(--sn-status-neutral);background:var(--sn-color-surface);box-shadow:none}.lesson-step-status-marker:after{content:"";position:absolute;z-index:0;top:0;right:0;bottom:0;left:0;border-radius:50%;pointer-events:none}.lesson-step-status-marker--recommended:after{top:-6px;right:-6px;bottom:-6px;left:-6px;border:2px solid var(--sn-status-opened)}.lesson-step-status-marker--compact.lesson-step-status-marker--recommended:after{top:-7px;right:-7px;bottom:-7px;left:-7px}.lesson-step-status-marker--standard{width:42px;height:42px;min-width:42px;min-height:42px}.lesson-step-status-marker--compact{width:39px;height:39px;min-width:39px;min-height:39px}.lesson-step-status-marker--standard:after,.lesson-step-status-marker--compact:after{border-radius:50%}.lesson-step-status-marker--not_started{color:var(--sn-status-neutral);border-color:var(--sn-status-neutral-border);background:var(--sn-color-surface)}.lesson-step-status-marker--locked{color:var(--sn-status-neutral);border-color:var(--sn-status-neutral-border);background:var(--sn-status-neutral-soft)}.lesson-step-status-marker--in_progress{color:var(--sn-status-opened);border-color:var(--sn-status-opened-border);background:var(--sn-color-surface)}.lesson-step-status-marker--needs_review{color:var(--sn-status-review);border-color:var(--sn-status-review-border);background:var(--sn-status-review-soft)}.lesson-step-status-marker--validated{color:var(--sn-status-secure);border-color:var(--sn-status-secure-border);background:var(--sn-status-secure-soft)}.lesson-step-status-marker--secure{color:var(--sn-status-secure);border-color:var(--sn-status-secure);border-width:2px;background:var(--sn-status-secure-soft)}.lesson-step-status-marker>:not(.lesson-step-status-tooltip){position:relative;z-index:1}.lesson-step-status-marker-icon{display:block;width:30px;height:30px}.lesson-step-status-marker--compact .lesson-step-status-marker-icon{width:28px;height:28px}.lesson-step-status-marker-dot{display:block;width:14px;height:14px;border-radius:50%;background:currentColor}.lesson-step-status-marker--compact .lesson-step-status-marker-dot{width:13.5px;height:13.5px}.lesson-step-status-marker--validated .lesson-step-status-marker-dot,.lesson-step-status-marker--secure .lesson-step-status-marker-dot{width:14px;height:14px}.lesson-step-status-tooltip{position:absolute;z-index:20;left:50%;bottom:calc(100% + 10px);width:max-content;max-width:min(240px,calc(100vw - 32px));padding:6px 8px;border:1px solid var(--sn-color-border);border-radius:8px;color:var(--sn-color-text-primary);background:var(--sn-color-surface);box-shadow:var(--shadow-card-subtle);font-family:var(--font-sans);font-size:.72rem;font-weight:500;line-height:1.35;text-align:left;white-space:normal;pointer-events:none;opacity:0;visibility:hidden;transform:translate(-50%,2px);transition:opacity .12s ease,transform .12s ease,visibility .12s ease}.lesson-step-status-marker[data-lesson-step-tooltip-enabled=true]:hover .lesson-step-status-tooltip{opacity:1;visibility:visible;transform:translate(-50%)}.lesson-step-status-legend{position:relative;display:inline-flex;flex:0 0 auto;align-items:center;font-family:var(--font-sans)}.lesson-step-status-legend-trigger{display:inline-grid;place-items:center;width:28px;height:28px;min-width:28px;min-height:28px;padding:0;border:1px solid transparent;border-radius:50%;color:var(--sn-color-text-secondary);background:transparent;box-shadow:none}.lesson-step-status-legend-trigger:hover{color:var(--sn-color-text-primary);border-color:var(--sn-color-border);background:var(--sn-color-surface-subtle);box-shadow:none}.lesson-step-status-legend-trigger:focus-visible{outline:none;box-shadow:var(--sn-focus-ring)}.lesson-step-status-legend-panel{position:absolute;z-index:30;top:calc(100% + 6px);left:0;display:grid;gap:10px;width:min(340px,calc(100vw - 32px));padding:12px;border:1px solid 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