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0}.practice-hero--compact{margin-bottom:var(--space-8)}.practice-hero__eyebrow{align-items:center;gap:var(--space-2);letter-spacing:.12em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:var(--space-4);font-size:11px;font-weight:600;display:inline-flex}.practice-hero__title{font-family:var(--font-display);font-size:var(--text-3xl);font-weight:var(--weight-bold);line-height:var(--leading-display);letter-spacing:var(--tracking-display);margin-bottom:var(--space-4)}.practice-hero__title-line{color:var(--text-primary);display:block}.practice-hero__title-accent{color:var(--color-action-primary);-webkit-text-fill-color:var(--color-action-primary);display:block}.practice-hero__sub{color:var(--text-secondary);max-width:540px;margin:0 auto;font-size:clamp(.95rem,2vw,1.05rem);line-height:1.6}.practice-setup-grid{gap:var(--space-6);grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:start;display:grid}.practice-setup-panel 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var(--signal-cyan);outline-offset:2px;border-color:var(--signal-cyan)}.practice-option-grid{gap:var(--space-2);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.practice-option-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.practice-option{padding:var(--space-3);background:var(--surface-solid-2);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;text-align:left;min-height:64px;transition:border-color var(--dur-fast),background var(--dur-fast),box-shadow var(--dur-fast);font-family:var(--font-body);flex-direction:column;align-items:flex-start;gap:2px;display:flex}.practice-option:hover{border-color:var(--border-bright);background:var(--surface-solid-3)}.practice-option--active{border-color:color-mix(in oklab,var(--meridian-violet) 45%,var(--border));background:var(--neural-ghost);box-shadow:inset 0 0 0 1px color-mix(in oklab,var(--meridian-violet) 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var(--dur-fast);font-family:var(--font-body);flex-direction:column;display:flex}.practice-mode-card:hover{border-color:var(--border-bright);transform:translateY(-1px)}.practice-mode-card--active{border-color:color-mix(in oklab,var(--meridian-violet) 50%,var(--border));background:var(--neural-ghost);box-shadow:0 0 24px #c24e321f}.practice-mode-card__icon{color:var(--meridian-violet)}.practice-mode-card__label{color:var(--text-primary);font-size:14px;font-weight:600}.practice-mode-card__hint{color:var(--text-tertiary);font-size:12px;line-height:1.4}.practice-start-btn{width:100%;margin-top:var(--space-2);justify-content:center}.practice-preview{padding:var(--space-2)}.practice-preview__logo{margin-bottom:var(--space-4)}.practice-preview__name{font-family:var(--font-body);font-size:var(--text-lg);font-weight:var(--weight-semibold);color:var(--text-primary);margin-bottom:var(--space-2)}.practice-preview__desc{color:var(--text-secondary);margin-bottom:var(--space-5);font-size:13px;line-height:1.55}.practice-preview__stats{gap:var(--space-3);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.practice-preview__stats dt{letter-spacing:.08em;text-transform:uppercase;color:var(--text-tertiary);margin-bottom:2px;font-size:10px;font-weight:600}.practice-preview__stats dd{color:var(--text-primary);margin:0;font-size:14px;font-weight:600}.practice-tips-card .meridian-keyblock__content{padding:var(--space-4) var(--space-5)}.practice-tips__title{letter-spacing:.06em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:var(--space-3);font-size:12px;font-weight:600}.practice-tips__list{color:var(--text-secondary);margin:0;padding-left:1.1rem;font-size:13px;line-height:1.55}.practice-tips__list li+li{margin-top:var(--space-2)}.practice-session{max-width:720px;scroll-margin-top:calc(var(--header-offset,64px) + var(--space-4));margin:0 auto;position:relative}.practice-session__track{background:var(--surface-3);border-radius:var(--radius-full);height:3px;position:absolute;top:0;left:0;right:0;overflow:hidden}.practice-session__track-fill{background:var(--color-action-primary);height:100%;transition:width .4s var(--ease-out)}.practice-session__header{justify-content:space-between;align-items:center;gap:var(--space-4);margin-bottom:var(--space-6);padding-top:var(--space-4);flex-wrap:wrap;display:flex}.practice-session__meta{align-items:center;gap:var(--space-3);min-width:0;display:flex}.practice-session__logo{flex-shrink:0}.practice-session__app{color:var(--text-primary);margin:0;font-size:14px;font-weight:600}.practice-session__phase{color:var(--text-tertiary);margin:0;font-size:12px}.practice-session__stats{align-items:center;gap:var(--space-3);color:var(--text-secondary);flex-wrap:wrap;font-size:13px;display:flex}.practice-session__stat strong{color:var(--text-primary)}.practice-session__stat--good{color:var(--correct)}.practice-session__stat--bad{color:var(--wrong)}.practice-session__footer{margin-top:var(--space-6);justify-content:center;display:flex}.streak-badge{align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-3);background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-full);color:var(--text-primary);font-size:12px;font-weight:600;display:inline-flex}.streak-badge.on-fire{color:var(--pro-tag);background:#f973161a;border-color:#f9731666;animation:1s ease-in-out infinite firePulse}@keyframes firePulse{0%,to{box-shadow:0 0 #f9731600}50%{box-shadow:0 0 20px 4px #f9731633}}.practice-card,.flashcard,.challenge-card{text-align:center}.practice-card .meridian-keyblock__content{padding:var(--space-8) var(--space-6)}.practice-card.correct .meridian-keyblock__face,.flashcard.correct .meridian-keyblock__face{box-shadow:var(--shadow-lg),0 0 40px #10b98133;animation:correctPop var(--dur-normal) var(--ease-spring)}@keyframes correctPop{0%{transform:scale(1)}50%{transform:scale(1.02)}to{transform:scale(1)}}.practice-card.wrong .meridian-keyblock__face,.challenge-card.wrong .meridian-keyblock__face{animation:.4s wrongShake}@keyframes wrongShake{0%,to{transform:translate(0)}20%{transform:translate(-8px)}40%{transform:translate(8px)}60%{transform:translate(-6px)}80%{transform:translate(6px)}}.flashcard-action{font-family:var(--font-body);font-size:var(--text-xl);margin-bottom:var(--space-2);color:var(--text-primary);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-tight)}.flashcard-prompt{color:var(--text-secondary);letter-spacing:.06em;text-transform:uppercase;margin-bottom:var(--space-2);font-size:12px}.flashcard-desc{color:var(--text-secondary);margin-bottom:var(--space-6);font-size:14px;line-height:1.5}.flashcard-meta{color:var(--text-tertiary);margin-bottom:var(--space-6);font-size:12px}.flashcard-buttons{gap:var(--space-3);margin-top:var(--space-6);z-index:4;flex-wrap:wrap;justify-content:center;display:flex;position:relative}.flashcard-buttons--grade{width:100%;max-width:420px;margin-left:auto;margin-right:auto}.practice-btn{justify-content:center;min-width:132px}.practice-grade-btn{min-height:48px;transition:all var(--dur-fast) var(--ease-out);border:1px solid #0000;flex:160px;justify-content:center;font-size:14px;font-weight:600}.practice-grade-btn--got{background:color-mix(in oklab,var(--correct) 18%,var(--surface-solid-2));border-color:color-mix(in oklab,var(--correct) 45%,var(--border));color:var(--correct);box-shadow:0 0 #10b98100}.practice-grade-btn--got:hover{background:color-mix(in oklab,var(--correct) 28%,var(--surface-solid-2));border-color:var(--correct);transform:translateY(-1px);box-shadow:0 0 20px #10b9812e}.practice-grade-btn--miss{background:color-mix(in oklab,var(--wrong) 14%,var(--surface-solid-2));border-color:color-mix(in oklab,var(--wrong) 40%,var(--border));color:var(--wrong);box-shadow:0 0 #ef444400}.practice-grade-btn--miss:hover{background:color-mix(in oklab,var(--wrong) 22%,var(--surface-solid-2));border-color:var(--wrong);transform:translateY(-1px);box-shadow:0 0 20px #ef444429}.practice-grade-btn .practice-kbd-hint{background:var(--surface-solid-3);border-color:color-mix(in oklab,currentColor 25%,var(--border));color:inherit;opacity:.85}.flashcard-answer{margin:var(--space-6) 0}.hint-text{color:var(--text-secondary);margin-top:var(--space-4);font-size:13px;font-style:italic}.key-capture-zone,.key-capture{justify-content:center;align-items:center;gap:var(--space-3);background:var(--surface-0);border:2px dashed var(--border);border-radius:var(--radius-lg);min-height:88px;padding:var(--space-5) var(--space-6);margin:var(--space-6) 0;transition:border-color var(--dur-fast) var(--ease-out),background var(--dur-fast);flex-direction:column;display:flex}.key-capture__label{font-family:var(--font-body);color:var(--text-tertiary);margin:0;font-size:13px}.key-capture-zone.listening,.key-capture.listening{border-color:var(--color-focus-ring);box-shadow:inset 0 0 24px var(--color-accent-muted);border-style:solid;animation:2s ease-in-out infinite listeningPulse}.key-capture.correct{border-color:var(--color-success);background:color-mix(in srgb, var(--color-success) 12%, transparent);border-style:solid}.key-capture.wrong{border-color:var(--color-danger);background:color-mix(in srgb, var(--color-danger) 12%, transparent);border-style:solid}.key-slot{font-family:var(--font-mono);color:var(--text-tertiary);font-size:13px}@keyframes listeningPulse{0%,to{border-color:var(--color-focus-ring)}50%{border-color:var(--color-action-primary-hover);box-shadow:inset 0 0 24px var(--color-accent-muted)}}.challenge-timer{color:var(--text-tertiary);font-variant-numeric:tabular-nums;margin:0;font-size:1rem}.correct-answer-flash{margin-top:var(--space-4);color:var(--color-text-secondary);font-size:13px}.practice-summary{max-width:640px;margin:0 auto}.practice-summary-panel .meridian-keyblock__content{padding:var(--space-6)}.summary-stats{gap:var(--space-3);margin-bottom:var(--space-6);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.stat{background:var(--surface-focus-soft);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-4) var(--space-5);text-align:left}.stat-value{font-size:var(--text-xl);font-weight:var(--weight-bold);color:var(--signal-cyan);font-family:var(--font-body);margin:0;display:block}.stat-value--stars{letter-spacing:.12em;color:var(--pro-tag)}.stat-label{letter-spacing:.08em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:var(--space-1);font-size:10px;font-weight:600}.missed-list{text-align:left;background:var(--surface-focus-soft);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-4) var(--space-5);margin-bottom:var(--space-6)}.missed-list h3{letter-spacing:.06em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:var(--space-3);font-size:12px;font-weight:600}.missed-list li{padding:var(--space-2) 0;border-bottom:1px solid var(--divider);flex-direction:column;gap:2px;display:flex}.missed-list li:last-child{border-bottom:none}.missed-list__action{color:var(--text-primary);font-size:13px;font-weight:600}.missed-list__keys{font-size:12px;font-family:var(--font-mono);color:var(--text-tertiary)}.summary-actions{gap:var(--space-3);flex-wrap:wrap;justify-content:center;display:flex}.perfect-score{color:var(--correct);margin-bottom:var(--space-6);text-align:center;font-size:1rem}@media (width<=900px){.practice-setup-grid{grid-template-columns:1fr}}@media (width<=640px){.practice-mode-grid,.practice-option-grid{grid-template-columns:1fr}.practice-card .meridian-keyblock__content{padding:var(--space-6) var(--space-4)}}.keyboard-diagram{margin-top:var(--space-4);overflow-x:auto}.kb-row{justify-content:center;gap:3px;margin-bottom:3px;display:flex}.kb-key{font-family:var(--font-mono);background:var(--kbd-bg);border:1px solid var(--kbd-border);color:var(--text-tertiary);text-align:center;border-radius:3px;min-width:22px;padding:4px 6px;font-size:.55rem}.kb-key.highlighted{background:var(--neural);color:#fff;border-color:var(--neural-dim)}#modal{z-index:500;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}#modal[hidden]{display:none}.modal-backdrop{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#06060fd1;position:absolute;inset:0}.modal-content{z-index:1;width:calc(100% - 2rem);max-width:640px;max-height:80vh;position:relative}.modal-content .meridian-keyblock__face{max-height:80vh;overflow-y:auto}.modal-close-btn{top:var(--space-4);right:var(--space-4);color:var(--text-secondary);cursor:pointer;background:0 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h2{font-family:var(--font-body);font-weight:var(--weight-semibold);color:var(--text-primary);margin:var(--space-3) 0}.empty-state-actions{gap:var(--space-3);margin-top:var(--space-6);flex-wrap:wrap;justify-content:center;display:flex}.empty-state--compact{padding:var(--space-8);margin:var(--space-4) 0;max-width:none}.app-error-fallback{min-height:100vh;padding:var(--space-8) var(--space-4);background:var(--surface-base);place-items:center;display:grid}.app-error-fallback__hint{font-size:var(--text-sm);color:var(--text-tertiary);margin-top:var(--space-2)}.modal-desc{color:var(--text-secondary);margin-bottom:var(--space-4);font-size:13px}.loading-view,.loading-label{text-align:center;padding:var(--space-12) var(--space-6);color:var(--text-secondary)}.loading-skeleton{gap:var(--space-3);max-width:640px;padding:var(--space-6);flex-direction:column;margin:0 auto;display:flex}.loading-skeleton__row{border-radius:var(--radius-md);background:linear-gradient(90deg,var(--surface-solid-2) 0%,var(--surface-solid-3) 50%,var(--surface-solid-2) 100%);background-size:200% 100%;height:52px;animation:1.4s ease-in-out infinite app-logo-shimmer}.loading-label{font-size:.9375rem}.load-more-wrap{padding:var(--space-6) 0 var(--space-8);justify-content:center;display:flex}.kbd-sep-seq{color:var(--text-tertiary);margin:0 var(--space-1);font-size:.75rem;font-family:var(--font-body)}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.slide-in{animation:slideIn .35s var(--ease-out)}@keyframes popIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.pop-in{animation:popIn .3s var(--ease-out)}#discovery-panel-toggle,.mobile-tab-bar{display:none}@media (width<=1023px){.discovery-rail,.sidebar{width:220px}.app-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.header-context{display:none}}@media (width<=767px){.discovery-rail,.sidebar{display:none}.discovery-rail.open,.sidebar.open{left:0;top:var(--header-offset);bottom:var(--mobile-tab-offset);z-index:160;background:var(--surface-solid-1);-webkit-backdrop-filter:none;border-right:1px solid var(--border);width:min(300px,100vw - 2rem);box-shadow:var(--shadow-lg);display:flex;position:fixed}.discovery-backdrop{inset:0;top:var(--header-offset);bottom:var(--mobile-tab-offset);z-index:155;background:var(--drawer-backdrop);-webkit-backdrop-filter:blur(4px);display:block;position:fixed}.discovery-panel-toggle,#discovery-panel-toggle{flex-shrink:0;justify-content:center;align-items:center;display:flex}.header{padding:calc(var(--space-2) + var(--safe-top)) var(--space-3) var(--space-2);gap:var(--space-2);height:var(--header-offset);min-height:var(--header-offset);background:var(--surface-solid-1);-webkit-backdrop-filter:none;box-shadow:var(--shadow-sm);flex-wrap:nowrap}.logo{gap:var(--space-2);min-width:0}.logo 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.app-logo{min-width:36px!important}.app-card .app-logo__keycap{width:36px!important;height:38px!important}.app-card-name{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:12px;line-height:1.25;display:-webkit-box;overflow:hidden}.app-card-count{font-size:10px}.app-card-desc{margin-bottom:var(--space-2);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:11px;line-height:1.4;display:-webkit-box;overflow:hidden}.app-card-footer{gap:var(--space-1)}.platform-badge{padding:1px 5px;font-size:9px}.practice-card .meridian-keyblock__content,.flashcard .meridian-keyblock__content,.challenge-card .meridian-keyblock__content{padding:var(--space-8)}.mobile-tab-bar{height:var(--mobile-tab-offset);background:var(--surface-solid-1);-webkit-backdrop-filter:none;border-top:1px solid var(--border);padding:var(--space-1) var(--space-3) var(--safe-bottom);z-index:100;justify-content:space-around;align-items:stretch;gap:var(--space-1);display:flex;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 24px #0000001f}[data-theme=light] .mobile-tab-bar{box-shadow:0 -4px 20px #1a183014}.mobile-tab-bar .nav-item{font-size:11px;font-weight:var(--weight-medium);padding:var(--space-1) var(--space-2);border-radius:var(--radius-md);min-height:0;color:var(--text-tertiary);flex-direction:column;flex:1;justify-content:center;gap:3px}.mobile-tab-bar__keyblock{flex:1;min-width:0}.mobile-tab-bar__keyblock .meridian-keyblock__content{width:100%;font-size:11px;font-weight:var(--weight-medium);padding:var(--space-1) 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var(--space-3))}.home-search{padding:0 var(--space-2)}.home-search-keyblock .search-bar{min-height:46px;padding:13px 50px 13px 46px;font-size:15px}.home-search-keyblock .search-icon{left:var(--space-4);width:17px;height:17px}.home-search-keyblock .search-placeholder-animated--embedded{max-width:calc(100% - 92px);font-size:15px;left:46px}.back-to-top{right:var(--space-4);bottom:calc(var(--mobile-tab-offset) + var(--space-3))}.shortcut-row{grid-template-rows:auto auto;grid-template-columns:28px 1fr}.shortcut-keys{grid-column:2}.shortcut-actions{grid-column:2;justify-self:end}.compare-item{gap:var(--space-1);grid-template-columns:1fr}.hero{padding:var(--space-6) var(--space-3) var(--space-5)}.hero:before{inset:-12px -12px 0}.hero-title{letter-spacing:-.015em;font-size:clamp(1.375rem,5.8vw,1.625rem);line-height:1.35}.hero-title-line,.hero-title-accent{line-height:inherit}.hero-sub{font-size:var(--text-base);padding-inline:var(--space-1)}.browse-section-heading__title{line-height:1.35}.app-hero-title,.app-header h1{font-size:clamp(1.375rem,5.8vw,1.75rem);line-height:1.3}.site-footer{padding-bottom:var(--mobile-tab-offset)}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}.hero-title-accent{background-position:50%;animation:none}.hero-eyebrow-dot{animation:none}.browse-section-heading__title-accent{background-position:50%;animation:none}.back-to-top{transition:none}.back-to-top--visible .back-to-top__glow{animation:none}}@keyframes back-to-top-glow{0%,to{opacity:.5;transform:scale(.98)}50%{opacity:.78;transform:scale(1.02)}}.back-to-top--visible .back-to-top__glow{animation:3s ease-in-out infinite 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