.vl{box-sizing:border-box;margin:0 auto;color:var(--ink);font-family:var(--font)}
.vl-main{border:1px solid var(--line);background:var(--surface);min-width:0}
.vl-word{display:flex;flex-direction:column;justify-content:center;text-align:center}
.vl-bins,.vl-options{display:grid}.vl-feedback{border:1px solid var(--line);border-radius:12px}
.vl summary{cursor:pointer}.vl select{max-width:100%;min-height:44px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px}
/* Phase 1.1: compact game surface. Original CSS/SVG; no external visual assets. */
.vl{max-width:780px;padding:24px 20px;line-height:1.6;--vl-know:#25694f;--vl-unsure:#80551a;--vl-new:#60539a;--vl-soft:#f3f5fa;--vl-good-bg:#e9f5ed;--vl-wrong-bg:#fff2e8;--vl-wrong:#8b3d19;--vl-control:#8491a6}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .vl{--vl-know:#9dddbd;--vl-unsure:#f3cc89;--vl-new:#c5b8f6;--vl-soft:#22293a;--vl-good-bg:#1b342d;--vl-wrong-bg:#382b26;--vl-wrong:#ffbf95;--vl-control:#7c8ba5}}
:root[data-theme="dark"] .vl{--vl-know:#9dddbd;--vl-unsure:#f3cc89;--vl-new:#c5b8f6;--vl-soft:#22293a;--vl-good-bg:#1b342d;--vl-wrong-bg:#382b26;--vl-wrong:#ffbf95;--vl-control:#7c8ba5}
.vl *{box-sizing:border-box}.vl p{margin:0}.vl h2,.vl h3,.vl h4{margin:0;letter-spacing:-.025em}.vl .vl-icon{width:21px;height:21px;flex:none}.vl-eyebrow{font-size:.72rem;font-weight:700;letter-spacing:.13em;color:var(--muted);text-transform:uppercase}.vl-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:4px}.vl h2{font-size:1.7rem;line-height:1.25}.vl-passage{font-size:.78rem;text-align:right;color:var(--muted);line-height:1.55}
.vl-progress{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin:20px 0 16px;font-size:.8rem;color:var(--muted)}.vl-progress b{color:var(--ink)}.vl progress{appearance:none;display:block;margin:0;border:0;border-radius:20px;overflow:hidden;height:5px;width:100%;background:var(--line);accent-color:var(--accent)}.vl progress::-webkit-progress-bar{background:var(--line)}.vl progress::-webkit-progress-value{background:var(--accent);border-radius:20px}.vl progress::-moz-progress-bar{background:var(--accent)}
.vl-main{padding:28px;border-radius:22px;box-shadow:0 5px 24px #121d3610}.vl-stepbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.vl h3{font-size:1rem;line-height:1.45}.vl-check-progress{font-size:.78rem;color:var(--muted);white-space:nowrap}.vl-instruction{margin-top:12px!important;font-size:.88rem;color:var(--muted)}
.vl-word{position:relative;align-items:center;gap:12px;min-height:150px;margin:18px 0;padding:26px 18px;border:1px solid var(--line);border-radius:17px;background:linear-gradient(140deg,var(--vl-soft),var(--surface));overflow:hidden}.vl-word:before,.vl-word:after{content:"";position:absolute;width:30px;height:30px;border:1px solid var(--line);border-radius:50%;opacity:.55;pointer-events:none}.vl-word:before{top:-14px;left:22px}.vl-word:after{bottom:-16px;right:24px}.vl-word h4,.vl-leaving{font-size:clamp(1.65rem,3.5vw,2.35rem);line-height:1.25;font-weight:750;overflow-wrap:anywhere}.vl-card-caption{font-size:.73rem;color:var(--muted)}.vl-leaving{position:absolute;inset:0;display:grid;place-content:center;padding:26px 18px;background:var(--surface);pointer-events:none;animation:vl-card-out 80ms ease-in forwards;z-index:1}.vl-card-transition h4{animation:vl-card-in 180ms ease-out both}
.vl .vl-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:11px 16px;margin:0;border:1px solid var(--line);border-radius:11px;background:var(--surface);color:var(--ink);font:inherit;font-size:.86rem;font-weight:650;line-height:1.5;white-space:normal;cursor:pointer;text-decoration:none;box-shadow:none;transition:border-color 120ms,background-color 120ms,transform 120ms}.vl .vl-btn:hover:not(:disabled){border-color:var(--accent);background:var(--vl-soft)}.vl .vl-btn:active:not(:disabled){transform:translateY(1px)}.vl .vl-btn.pri{background:var(--ink);color:var(--surface);border-color:var(--ink);padding:13px 22px}.vl .vl-btn.pri:hover:not(:disabled){background:var(--ink);outline:2px solid var(--accent);outline-offset:2px}.vl .vl-btn:disabled{cursor:default;opacity:.6}.vl .vl-btn:focus-visible,.vl summary:focus-visible,.vl select:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.vl #vlStep:focus{outline:none}
.vl-bins{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.vl .vl-bins .vl-btn{flex-direction:column;gap:7px;min-height:100px;padding:12px 5px;font-size:.86rem}.vl-bins .vl-icon{width:24px;height:24px}.vl [data-vl="know"] .vl-icon{color:var(--vl-know)}.vl [data-vl="unsure"] .vl-icon{color:var(--vl-unsure)}.vl [data-vl="new"] .vl-icon{color:var(--vl-new)}.vl kbd{font:inherit;font-size:.65rem;line-height:1;padding:3px 5px;color:var(--muted);border:1px solid var(--line);border-radius:4px}.vl-sort-tools{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:12px 0}.vl .vl-sort-tools .vl-btn{border-color:transparent;min-height:44px;padding:8px 3px;font-size:.8rem}.vl-sort-tools .vl-icon{width:17px;height:17px}.vl-key-help{color:var(--muted);font-size:.72rem}.vl-counts{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.vl-count{display:inline-flex;align-items:center;gap:5px;line-height:1.5;font-size:.74rem;padding:5px 9px;border:1px solid var(--line);border-radius:20px;color:var(--muted)}.vl-count .vl-icon{width:14px;height:14px}.vl-count b{color:var(--ink);margin-left:3px;font-family:var(--mono)}.vl-count.vl-know .vl-icon{color:var(--vl-know)}.vl-count.vl-unsure .vl-icon{color:var(--vl-unsure)}.vl-count.vl-new .vl-icon{color:var(--vl-new)}
.vl-phase-ready,.vl-phase-results{text-align:center}.vl-phase-ready .vl-stepbar,.vl-phase-results .vl-stepbar{justify-content:center}.vl-complete-mark{display:inline-grid;place-content:center;width:54px;height:54px;border:1px solid var(--line);border-radius:50%;background:var(--vl-good-bg);color:var(--vl-know);margin:18px 0 12px}.vl-complete-mark .vl-icon{width:31px;height:31px}.vl-lead{font-weight:650;font-size:1.15rem;margin-bottom:20px!important}.vl-support{max-width:400px;margin:20px auto!important;font-size:.92rem}.vl-ready-actions{display:flex;flex-direction:column;align-items:center;gap:10px}.vl .vl-ready-actions [data-vl="undo"]{border:0;color:var(--muted);font-size:.8rem}.vl-quiet{font-size:.77rem;color:var(--muted);margin:14px 0 0!important;line-height:1.65}.vl-check-summary{margin:22px 0}.vl-check-summary h4{font-size:.83rem;color:var(--muted);letter-spacing:0}.vl-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:12px 0 20px}.vl-stats>div{flex-direction:column;align-items:center;gap:0;padding:10px 4px;background:var(--vl-soft);border:0;border-radius:12px}.vl-stats dd{margin:0;font-size:1.4rem;font-weight:700;font-family:var(--mono)}.vl-stats dt{font-size:.74rem;color:var(--muted)}
.vl-context-panel{margin:18px 0 14px;padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:var(--vl-soft)}.vl-context-label{display:block;font-size:.73rem;color:var(--muted);margin-bottom:7px}.vl-context-label b{color:var(--ink);font-weight:600}.vl-context{margin:0;padding:0;border:0;background:transparent;font-size:1.13rem;font-weight:600;line-height:1.65;overflow-wrap:anywhere}.vl-question{font-size:.86rem;margin-bottom:12px!important}.vl-options{gap:9px}.vl .vl-options .vl-btn{justify-content:start;text-align:left;width:100%;padding:12px;min-height:54px;font-weight:500;font-size:.88rem}.vl-choice-letter{display:grid;place-content:center;align-self:start;width:25px;height:25px;border:1px solid var(--line);border-radius:7px;font-size:.7rem;font-weight:650;flex:none}.vl .vl-options [data-result="wrong"]{opacity:1;border-color:var(--vl-wrong);background:var(--vl-wrong-bg)}.vl-option-note{margin-left:auto;flex:none;font-size:.65rem;color:var(--vl-wrong)}.vl-feedback{padding:13px 16px;margin:12px 0;background:var(--vl-soft);font-size:.86rem;line-height:1.65}.vl-feedback strong{display:flex;align-items:center;gap:8px;font-weight:650}.vl-feedback p{margin-top:6px!important}.vl-feedback small{display:block;font-size:.75rem;color:var(--muted);margin-top:6px}.vl-feedback-good{background:var(--vl-good-bg)}.vl-feedback-good strong{color:var(--vl-know)}.vl-check-tools{display:flex;align-items:start;justify-content:space-between;gap:12px;margin-top:12px}.vl .vl-check-tools [data-vl="hint"]{font-size:.78rem;padding:9px 8px;border:0}.vl-check-tools .vl-icon{width:17px;height:17px}.vl-reveal{max-width:230px;text-align:right;font-size:.78rem}.vl-reveal p{color:var(--muted);margin:6px 0 10px!important}.vl .vl-reveal .vl-btn{font-size:.78rem}
.vl details{font-size:.8rem;margin:0}.vl summary{min-height:44px;padding:11px 2px;color:var(--muted)}.vl .vl-learning-note,.vl .vl-revise{border-top:1px solid var(--line);margin-top:14px;text-align:left}.vl-learning-note p,.vl-revise p{margin:8px 0 14px!important;color:var(--muted)}.vl select{width:100%;font:inherit;margin:6px 0 12px}.vl-utility{display:flex;align-items:center;justify-content:center;gap:10px;text-align:center;padding:10px 0;font-size:.72rem;color:var(--muted)}.vl-utility .vl-sync{margin:0;font-size:inherit}.vl-utility .vl-btn{font-size:.75rem}
@keyframes vl-card-out{from{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-8px)}}
.vl .vl-btn{border-color:var(--vl-control)}
.vl .vl-target{color:inherit;background:transparent;font-weight:750;text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:.18em;text-decoration-thickness:2px}
.vl [data-vl="mission"]{margin-bottom:10px}
.vl .vl-bins [data-selected="true"]{opacity:1;border-color:var(--accent);background:var(--vl-soft)}.vl-word h4:focus-visible{outline:2px solid var(--accent);outline-offset:8px;border-radius:4px}.vl-stats dd{order:-1}
@keyframes vl-card-in{0%,40%{opacity:0;transform:translateY(8px)}100%{opacity:1;transform:translateY(0)}}
@media(max-width:640px){.vl{padding:18px 14px}.vl h2{font-size:1.5rem}.vl-passage{font-size:.68rem}.vl-progress{margin:16px 0 12px}.vl-main{padding:20px 16px;border-radius:18px}.vl-word{min-height:136px;margin:14px 0;padding:22px 12px}.vl-bins{gap:7px}.vl .vl-bins .vl-btn{font-size:.75rem;min-height:92px;padding:10px 3px;gap:6px}.vl .vl-bins kbd{display:none}.vl-key-help{font-size:.65rem}.vl-counts{gap:6px}.vl-count{font-size:.64rem;padding:4px 7px}.vl-count .vl-icon{width:12px;height:12px}.vl-context-panel{padding:14px;margin:14px 0 12px}.vl-context{font-size:1rem}.vl .vl-options .vl-btn{font-size:.8rem;padding:10px;gap:8px}.vl-option-note{font-size:.6rem;max-width:34px}.vl-feedback{font-size:.79rem;padding:11px 12px}.vl-stats{gap:6px}.vl-stats dt{font-size:.65rem}.vl .vl-phase-results>.vl-btn{width:100%}.vl-lead{font-size:1rem}.vl-quiet{font-size:.72rem}}
@media(max-width:340px){.vl-bins{grid-template-columns:1fr}.vl .vl-bins .vl-btn{flex-direction:row;min-height:46px;gap:10px}.vl-title{align-items:start}.vl-passage{max-width:115px}.vl-key-help{display:none}}
@media(prefers-reduced-motion:reduce){.vl *{scroll-behavior:auto!important;animation:none!important;transition:none!important}.vl .vl-leaving{display:none}}

/* Real Mini Drills section; inherits the app's fonts, colours and navigation. */
.vocab-shell{max-width:900px;margin:0 auto;padding:18px 20px;color:var(--ink);font-family:var(--font)}.vocab-preview-bar{padding:12px 16px;border:1px solid var(--line);border-radius:12px;background:var(--surface);font-size:.78rem;line-height:1.65}.vocab-preview-bar>div{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.vocab-preview-bar span,.vocab-preview-bar p,.vocab-location{color:var(--muted)}.vocab-preview-bar p{margin:5px 0}.vocab-preview-bar summary{cursor:pointer;min-height:44px;display:flex;align-items:center}.vocab-preview-bar summary:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.vocab-location{font-size:.75rem;margin:14px 0}.vocab-shell>.vl,.vocab-shell>.vm{padding:0;max-width:none}.vocab-shell .vm-head h2{font-size:1.5rem}.vocab-shell [hidden]{display:none!important}@media(max-width:640px){.vocab-shell{padding:14px 0}.vocab-preview-bar{padding:10px 12px}.vocab-shell .vm-card{padding:18px 14px}}