:root{--practice-ink:#141614;--practice-star:#f2c94c;--practice-platinum:#dfe7ef;--practice-platinum-star:#c9d8ea;--practice-label-column:140px}:root[data-mode=light]{--practice-star:#b7791f;--practice-platinum:#d5dee8;--practice-platinum-star:#6b7f99}.practice-highway,.practice-overview{container:practice-stage/inline-size}.practice-highway-body{grid-template-columns:var(--practice-label-column) minmax(0, 1fr);border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-sunken);display:grid;overflow:hidden}.practice-lane-column{grid-template-rows:auto var(--practice-error-height);border-right:1px solid var(--border);background:var(--card);display:grid}.practice-lane-labels{margin:0;padding:0;list-style:none}.practice-lane-labels>li{height:var(--practice-lane-height);border-bottom:1px solid var(--border)}.practice-lane-labels>li:last-child{border-bottom:0}.practice-lane-spacer{border-top:1px solid var(--border);color:var(--muted-foreground);letter-spacing:.08em;text-transform:uppercase;align-items:center;padding:0 10px;font-size:10px;font-weight:600;display:flex}.practice-highway-canvas{width:100%;height:calc(var(--practice-lanes) * var(--practice-lane-height) + var(--practice-error-height));display:block}.practice-lane-label{align-items:center;gap:6px;min-width:0;height:100%;padding:0 8px;display:flex}.practice-lane-count{background:var(--role-color);min-width:24px;color:var(--practice-ink);text-align:center;font-variant-numeric:tabular-nums;border-radius:999px;flex-shrink:0;padding:1px 6px;font-size:11px;font-weight:700}.practice-lane-name{min-width:0;color:var(--foreground);letter-spacing:.03em;text-overflow:ellipsis;text-transform:uppercase;white-space:nowrap;font-size:11px;font-weight:700;overflow:hidden}.practice-pad-icon{--pad-columns:4;grid-template-columns:repeat(var(--pad-columns), 1fr);flex-shrink:0;gap:1px;width:18px;height:18px;display:grid}.practice-pad-icon[data-layout=push]{--pad-columns:8;gap:.5px;width:20px;height:20px}.practice-pad-icon i{background:var(--muted);border-radius:1px}.practice-pad-icon i[data-target]{background:var(--role-color,var(--primary))}.practice-overview-track{margin-left:var(--practice-label-column)}.practice-overview-canvas{border:1px solid var(--border);border-radius:calc(var(--radius) - 2px);width:100%;height:28px;display:block}.practice-overview-canvas[data-selectable]{cursor:pointer}@container practice-stage (max-width:640px){.practice-highway-body,.practice-overview-track{--practice-label-column:56px}.practice-lane-label{justify-content:center;gap:4px;padding:0 4px}.practice-lane-count{min-width:18px;padding:1px 3px;font-size:10px}.practice-lane-name{clip-path:inset(50%);width:1px;height:1px;position:absolute;overflow:hidden}.practice-lane-spacer{letter-spacing:.04em;justify-content:center;padding:0 4px}}.practice-stars{color:var(--practice-star);gap:2px;display:inline-flex}.practice-stars svg{width:14px;height:14px;color:var(--muted-foreground)}.practice-stars svg[data-earned]{color:var(--practice-star)}.practice-stars[data-platinum] svg[data-earned]{color:var(--practice-platinum-star)}.practice-stars[data-size=lg] svg{width:30px;height:30px}.practice-hud{flex-wrap:wrap;align-items:center;gap:12px 20px;display:flex}.practice-hud-stats{gap:20px;margin:0;display:flex}.practice-hud-stats>div{gap:2px;display:grid}.practice-hud-stats dt,.practice-results-stats dt{color:var(--muted-foreground);letter-spacing:.06em;text-transform:uppercase;font-size:11px;font-weight:600}.practice-hud-stats dd{font-variant-numeric:tabular-nums;margin:0;font-size:20px;font-weight:700}.practice-star-meter{background:var(--muted);border-radius:999px;flex:160px;max-width:280px;height:8px;margin:14px 0 4px;position:relative}.practice-star-meter-fill{width:var(--accuracy);border-radius:inherit;background:var(--primary);transition:width .16s ease-out;position:absolute;inset:0 auto 0 0}.practice-star-meter-mark{bottom:100%;left:var(--mark);color:var(--muted-foreground);line-height:0;position:absolute;translate:-50% 2px}.practice-star-meter-mark:after{content:"";background:currentColor;width:1px;height:10px;position:absolute;top:100%;left:50%}.practice-star-meter-mark[data-earned]{color:var(--practice-star)}.practice-star-meter-mark svg{width:14px;height:14px}.practice-mode-chip{border:1px solid var(--border-strong);color:var(--foreground-secondary);border-radius:999px;padding:3px 10px;font-size:12px;font-weight:600}@media (prefers-reduced-motion:reduce){.practice-star-meter-fill{transition:none}}.practice-toolbar{border:1px solid var(--border);border-radius:var(--radius);background:var(--card);flex-wrap:wrap;align-items:center;gap:12px 20px;padding:10px 12px;display:flex}.practice-toolbar-group{flex-wrap:wrap;align-items:center;gap:8px 14px;display:flex}.practice-toolbar-note,.practice-device-note{max-width:42ch;color:var(--muted-foreground);margin:0;font-size:12px}.practice-field{white-space:nowrap;align-items:center;gap:6px;font-size:13px;display:inline-flex}.practice-setting-switch{align-items:center;gap:6px;font-size:13px;display:inline-flex}.practice-setting-switch label{cursor:pointer}.practice-volume{align-items:center;gap:6px;width:150px;display:inline-flex}.practice-volume input{min-width:0;accent-color:var(--primary);flex:1}.practice-device-panel{gap:14px;max-width:460px;display:grid}.practice-device-fields,.practice-device-connect{justify-items:start;gap:10px;display:grid}.practice-device-fields .practice-field{gap:4px;display:grid}.practice-callout{border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface-raised);align-items:flex-start;gap:8px;margin:0;padding:10px 12px;font-size:13px;display:flex}.practice-callout[data-tone=warn]{border-color:var(--destructive-border);background:var(--destructive-soft)}.practice-callout svg{width:16px;height:16px;color:var(--warning);flex-shrink:0;margin-top:1px}.practice-callout a{color:var(--primary);text-underline-offset:2px;text-decoration:underline}.practice-device-monitor{font-variant-numeric:tabular-nums;margin:0;font-size:13px}.practice-device-monitor span{color:var(--muted-foreground);letter-spacing:.06em;text-transform:uppercase;font-size:11px;font-weight:600}.practice-keyboard-legend h3{margin:0 0 6px;font-size:13px}.practice-keyboard-legend dl{gap:4px;margin:0;display:grid}.practice-keyboard-legend dl>div{grid-template-columns:96px 1fr;align-items:center;font-size:13px;display:grid}.practice-keyboard-legend dd{flex-wrap:wrap;gap:4px;margin:0;display:flex}.practice-results{border:1px solid var(--border);border-radius:var(--radius);background:var(--card);gap:16px;max-width:640px;padding:20px;display:grid}.practice-results-header{flex-wrap:wrap;align-items:center;gap:10px 14px;display:flex}.practice-results-header h2{margin:0;font-size:20px}.practice-platinum{background:var(--practice-platinum);color:var(--practice-ink);font-size:13px}.practice-results-note,.practice-results-tendency,.practice-results-rank{margin:0;font-size:14px}.practice-results-note{color:var(--muted-foreground)}.practice-results-rank a{color:var(--primary);text-underline-offset:2px;text-decoration:underline}.practice-results-stats{grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:12px;margin:0;display:grid}.practice-results-stats>div{gap:2px;display:grid}.practice-results-stats dd{font-variant-numeric:tabular-nums;margin:0;font-size:26px;font-weight:700}.practice-results-skeleton{width:64px;height:22px}.practice-results-skeleton[data-wide]{width:min(280px,100%)}.practice-results-counts{flex-wrap:wrap;gap:8px;margin:0;display:flex}.practice-results-counts>div{border:1px solid var(--border);border-radius:999px;align-items:center;gap:6px;padding:4px 10px;font-size:13px;display:flex}.practice-results-counts>div[data-dot]:before{content:"";background:var(--dot);border-radius:999px;width:8px;height:8px}.practice-results-counts dd{font-variant-numeric:tabular-nums;margin:0;font-weight:700}.practice-results-achievements h3{margin:0 0 6px;font-size:14px}.practice-results-achievements ul{gap:4px;margin:0;padding-left:18px;font-size:13px;display:grid}.practice-results-pending{gap:8px;display:grid}.practice-results-actions{flex-wrap:wrap;gap:8px;display:flex}.practice-calibration-run{justify-items:center;gap:10px;display:grid}.practice-calibration-run p{font-variant-numeric:tabular-nums;margin:0;font-size:13px}.practice-tap-target{border:2px solid var(--primary);background:var(--primary-soft);width:140px;height:140px;color:var(--foreground);touch-action:manipulation;border-radius:20px;font-size:18px;font-weight:700}.practice-tap-target:active{background:var(--primary);color:var(--primary-foreground)}.practice-tap-target:focus-visible{outline:3px solid var(--ring);outline-offset:2px}.practice-calibration-result{gap:4px;margin:0;font-size:14px;display:grid}.practice-calibration-result strong{font-variant-numeric:tabular-nums;font-size:36px}.practice-midi-learn{gap:12px;display:grid}.practice-midi-learn-list{gap:6px;margin:0;padding:0;list-style:none;display:grid}.practice-midi-learn-list li{border-left:4px solid var(--role-color);background:var(--surface-raised);border-radius:6px;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:10px;padding:6px 8px 6px 12px;display:grid}.practice-midi-learn-role{font-size:13px;font-weight:600}.practice-midi-learn-note{color:var(--muted-foreground);font-variant-numeric:tabular-nums;font-size:12px}.practice-midi-learn-actions{justify-content:flex-end;gap:8px;display:flex}.practice-level-list{gap:20px;display:grid;container:practice-levels/inline-size}.practice-level-row h3{margin:0 0 8px;font-size:15px;font-weight:600}.practice-level-tiers{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.practice-level-cell{align-content:start;gap:4px;display:grid}.practice-level-empty{border:1px dashed var(--border);border-radius:var(--radius);min-height:100%;color:var(--muted-foreground);align-items:center;padding:12px;font-size:12px;display:flex}.practice-level-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--card);color:inherit;gap:6px;padding:12px;text-decoration:none;display:grid}a.practice-level-card:hover{border-color:var(--border-accent);background:var(--surface-raised)}a.practice-level-card:focus-visible,.practice-level-board:focus-visible{outline:3px solid var(--ring);outline-offset:2px}.practice-level-card[data-locked]{background:var(--surface-sunken)}.practice-level-tier{font-size:14px;font-weight:700}.practice-difficulty{gap:2px;display:inline-flex}.practice-difficulty i{background:var(--muted);border-radius:2px;width:10px;height:6px}.practice-difficulty i[data-on]{background:var(--primary)}.practice-level-meta{color:var(--muted-foreground);font-size:12px}.practice-level-best,.practice-level-lock{font-variant-numeric:tabular-nums;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;display:flex}.practice-level-lock svg{width:14px;height:14px}.practice-level-board{color:var(--primary);text-underline-offset:2px;justify-self:start;font-size:12px;text-decoration:underline}@container practice-levels (max-width:560px){.practice-level-tiers{grid-template-columns:minmax(0,1fr)}}@media (max-width:640px){.practice-hud-stats dd{font-size:17px}.practice-toolbar button:not([role=switch]),.practice-toolbar select{min-height:44px}.practice-volume button{min-width:44px}.practice-volume input{height:44px}.practice-setting-switch label,.practice-level-board{align-items:center;min-height:44px;display:inline-flex}.practice-setting-switch [role=switch]{position:relative}.practice-setting-switch [role=switch]:after{content:"";position:absolute;inset:-15px -3px}}