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26px;display:grid}.drill-ring-block{align-items:center;gap:16px;display:flex}.drill-ring{flex:0 0 84px;width:84px;height:84px;position:relative}.drill-ring svg{width:84px;height:84px;transform:rotate(-90deg)}.drill-ring-track{fill:none;stroke:#c6ffd61f;stroke-width:5px}.drill-ring-value{fill:none;stroke:var(--acid);stroke-width:5px;stroke-linecap:round;transition:stroke-dashoffset .5s}.drill-ring-label{flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.drill-ring-label strong{letter-spacing:-.03em;color:var(--text);font-variant-numeric:tabular-nums;font-size:20px;font-weight:500;line-height:1}.drill-ring-label em{font-style:normal;font-family:var(--mono);color:var(--faint);font-size:8px}.drill-ring-copy{flex-direction:column;gap:4px;display:flex}.drill-ring-copy span{font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--faint);font-size:8px}.drill-ring-copy small{color:var(--muted);font-size:11.5px}.drill-command-stats{border-left:1px solid var(--line);grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;padding-left:28px;display:grid}.drill-command-stats div{flex-direction:column;gap:5px;display:flex}.drill-command-stats strong{letter-spacing:-.03em;color:var(--text);font-variant-numeric:tabular-nums;font-size:22px;font-weight:500;line-height:1}.drill-command-stats span{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-size:8px}.drill-command-cta{flex-direction:column;align-items:stretch;gap:8px;min-width:220px;display:flex}.drill-access{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--amber);text-align:right;font-size:8.5px}.drill-access.pro{color:var(--acid-2)}.drill-command-cta .button{height:38px;font-size:9px}.drill-browse{margin-top:48px}.drill-browse-head{justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:22px;display:flex}.drill-browse-head h2{letter-spacing:-.03em;max-width:28ch;color:var(--text);margin:0 0 8px;font-size:clamp(1.5rem,2.1vw,1.9rem);font-weight:500;line-height:1.12}.drill-browse-head p{max-width:60ch;color:var(--muted);margin:0;font-size:14px;line-height:1.65}.drill-search{border:1px solid var(--line);background:#060a08;border-radius:9px;align-items:center;gap:10px;width:240px;height:38px;padding:0 12px;transition:border-color .15s;display:flex}.drill-search:focus-within{border-color:var(--acid)}.drill-search input{min-width:0;color:var(--text);font-family:var(--mono);box-shadow:none;background:0 0;border:0;outline:0;flex:1;font-size:11px}.drill-search input::placeholder{color:var(--faint)}.drill-search kbd{border:1px solid var(--line);font-family:var(--mono);color:var(--faint);border-radius:3px;padding:1px 5px;font-size:9px}.drill-tabs{flex-wrap:wrap;gap:6px;margin-bottom:16px;display:flex}.drill-tab{border:1px solid var(--line);color:var(--muted);font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;cursor:pointer;background:0 0;border-radius:99px;padding:6px 11px;font-size:9px;transition:color .15s,border-color .15s,background .15s}.drill-tab em{color:var(--faint);margin-left:6px;font-style:normal}.drill-tab:hover{color:var(--text);border-color:#c6ffd640}.drill-tab.active{background:var(--acid);border-color:var(--acid);color:var(--accent-ink);font-weight:600}.drill-tab.active em{color:#071008a6}.drill-set-list{border:1px solid var(--line);background:#111b16;border-radius:16px;overflow:hidden}.drill-row{border:0;border-bottom:1px solid var(--line);text-align:left;cursor:pointer;background:0 0;grid-template-columns:64px minmax(0,1fr) 130px 24px;align-items:center;gap:18px;width:100%;padding:16px 20px;transition:background .15s;display:grid}.drill-row:last-child{border-bottom:0}.drill-row:hover{background:#b8ff5c08}.drill-row.locked{background:#0f1712}.drill-row.locked .drill-row-blurb{color:var(--faint)}.drill-row-tag{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--acid-2);font-size:8px}.drill-row-main{flex-direction:column;gap:3px;min-width:0;display:flex}.drill-row-name{letter-spacing:-.01em;color:var(--text);align-items:center;gap:8px;font-size:14.5px;font-weight:500;display:flex}.drill-row-pro{font-style:normal;font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--amber);border:1px solid #ffc46b66;border-radius:3px;padding:2px 5px;font-size:8px}.drill-row-blurb{text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-size:12.5px;overflow:hidden}.drill-row-progress{flex-direction:column;align-items:flex-end;gap:6px;display:flex}.drill-row-count{font-family:var(--mono);color:var(--faint);font-size:8.5px}.drill-row-bar{background:#c6ffd61a;border-radius:2px;width:100%;height:3px;overflow:hidden}.drill-row-bar i{background:var(--acid);border-radius:2px;height:100%;display:block}.drill-row-arrow{text-align:right;color:var(--faint);font-size:14px}.drill-row:hover .drill-row-arrow{color:var(--acid)}.drill-empty{color:var(--muted);margin:18px 2px 0;font-size:13px}.drill-session{border:1px solid var(--line);background:#111b16;border-radius:20px;margin-top:40px;padding:26px}.drill-session-bar{border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:12px;padding-bottom:16px;display:flex}.drill-back{color:var(--faint);font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;cursor:pointer;background:0 0;border:0;padding:0;font-size:9px}.drill-back:hover{color:var(--text)}.drill-chip{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--acid);border:1px solid #b8ff5c4d;border-radius:4px;padding:4px 8px;font-size:8px}.drill-chip.module{border-color:var(--line);color:var(--faint)}.drill-step{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--faint);font-size:9px}.drill-modes{border:1px solid var(--line);border-radius:7px;margin-left:auto;display:flex;overflow:hidden}.drill-modes button{color:var(--muted);font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;cursor:pointer;background:0 0;border:0;padding:7px 12px;font-size:9px}.drill-modes button+button{border-left:1px solid var(--line)}.drill-modes button:hover{color:var(--text)}.drill-modes button.active{background:var(--acid);color:var(--accent-ink);font-weight:600}.drill-mode-hint{font-family:var(--mono);letter-spacing:.06em;color:var(--faint);margin:14px 0 0;font-size:9.5px}.drill-task{letter-spacing:-.025em;color:var(--text);margin:18px 0 14px;font-size:clamp(1.4rem,2.2vw,1.9rem);font-weight:500;line-height:1.2}.drill-target{border:1px solid var(--line);font-family:var(--mono);background:#060a08;border-radius:10px;flex-wrap:wrap;align-items:baseline;gap:10px;padding:16px 18px;font-size:15px;line-height:1.5;display:flex;overflow-x:auto}.drill-prompt{color:var(--acid-2);white-space:nowrap}.drill-target code{color:var(--acid);white-space:pre}.drill-masked{color:var(--faint);font-style:italic}.drill-form{border:1px solid var(--line-strong);background:#060a08;border-radius:10px;align-items:stretch;margin-top:14px;transition:border-color .15s;display:flex;overflow:hidden}.drill-form:focus-within{border-color:var(--acid)}.drill-form.ok{border-color:#b8ff5c8c}.drill-form.bad{border-color:#ff7a7ab3}.drill-dollar{font-family:var(--mono);color:var(--acid);place-items:center;padding:0 0 0 16px;font-size:15px;display:grid}.drill-form input{min-width:0;color:var(--text);font-family:var(--mono);appearance:none;background:0 0;border:0;outline:0;flex:1;padding:15px 12px;font-size:15px}.site .drill-form input:focus,.site .drill-form input:focus-visible{box-shadow:none;outline:none}.drill-form input::placeholder{color:var(--faint)}.drill-form input:disabled{opacity:.6}.drill-enter{background:var(--acid);color:var(--accent-ink);font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;cursor:pointer;border:0;flex:none;padding:0 20px;font-size:9px;font-weight:600}.drill-enter:hover:not(:disabled){background:#c8ff82}.drill-enter:disabled{opacity:.55;cursor:default}.drill-feedback{min-height:30px;font-family:var(--mono);letter-spacing:.02em;color:var(--faint);margin-top:12px;font-size:10.5px;line-height:1.6}.drill-feedback.ok{color:var(--acid-2)}.drill-feedback.correct{color:var(--acid)}.drill-feedback.wrong{color:var(--danger)}.drill-actions{flex-wrap:wrap;align-items:center;gap:8px;margin-top:16px;display:flex}.drill-actions .button{font-size:9px}.drill-actions .button:disabled{opacity:.5;cursor:default}.drill-quit{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--faint);cursor:pointer;background:0 0;border:0;margin-left:auto;padding:0;font-size:9px}.drill-quit:hover{color:var(--danger)}.drill-hint{border-left:2px solid var(--acid);color:var(--text-2);background:#b8ff5c0a;margin:14px 0 0;padding:12px 14px;font-size:13px;line-height:1.6}.drill-dots{gap:6px;margin-top:22px;display:flex}.drill-dots i{background:#c6ffd624;width:18px;height:3px}.drill-dots i.done{background:var(--acid-2)}.drill-dots i.current{background:var(--acid)}.drill-summary{background:#b8ff5c08;border:1px solid #b8ff5c4d;border-radius:20px;margin-top:40px;padding:40px}.drill-summary h2{letter-spacing:-.03em;color:var(--text);margin:0 0 12px;font-size:clamp(1.8rem,3vw,2.4rem);font-weight:500;line-height:1.1}.drill-summary p{max-width:64ch;color:var(--muted);margin:0;font-size:14.5px;line-height:1.7}.drill-summary-actions{flex-wrap:wrap;gap:10px;margin-top:24px;display:flex}.drill-paywall{background:#b8ff5c09;border:1px solid #b8ff5c59;border-radius:20px;max-width:760px;margin-top:40px;padding:40px}.drill-paywall h2{letter-spacing:-.035em;color:var(--text);margin:0 0 12px;font-size:clamp(1.9rem,3.2vw,2.6rem);font-weight:500;line-height:1.05}.drill-paywall p{max-width:58ch;color:var(--muted);margin:0;font-size:15px;line-height:1.7}.drill-paywall-actions{flex-wrap:wrap;gap:10px;margin-top:26px;display:flex}.drill-fine{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin:18px 0 0;font-size:9px}@media (max-width:1100px){.drill-command{grid-template-columns:auto minmax(0,1fr)}.drill-command-cta{flex-direction:row;grid-column:1/-1;justify-content:space-between;align-items:center;min-width:0}.drill-access{text-align:left}}@media (max-width:900px){.drill-browse-head{flex-direction:column;align-items:flex-start;gap:16px}.drill-search{width:100%;max-width:340px}}@media (max-width:760px){.drill-hero{padding:64px 0 32px}.drill-hero p{font-size:16px}.drill-console{padding:28px 0 80px}.drill-command{grid-template-columns:1fr;gap:20px;padding:18px}.drill-command-stats{border-left:0;border-top:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding-top:16px;padding-left:0}.drill-command-cta{flex-direction:column;align-items:stretch}.drill-session{padding:18px}.drill-modes{margin-left:0}.drill-summary,.drill-paywall{padding:24px}.drill-quit{margin-left:0}.drill-enter{padding:0 14px}.drill-row{grid-template-columns:52px minmax(0,1fr) 62px;gap:12px;padding:14px 16px}.drill-row-arrow{display:none}.drill-row-blurb{white-space:normal}.drill-row-bar{display:none}}@media (max-width:560px){.drill-target{font-size:13px}.drill-form input{font-size:16px}}[data-theme=light] .drill-command,[data-theme=light] .drill-set-list,[data-theme=light] .drill-session{background:var(--panel)}[data-theme=light] .drill-row.locked{background:var(--panel-2)}[data-theme=light] .drill-row:hover{background:#1f7a3b0a}[data-theme=light] .drill-search,[data-theme=light] .drill-target,[data-theme=light] .drill-form{background:#fbfcf8}[data-theme=light] .drill-ring-track{stroke:#15211a1f}[data-theme=light] .drill-tab.active,[data-theme=light] .drill-modes button.active,[data-theme=light] .drill-enter{color:#fff}[data-theme=light] .drill-summary,[data-theme=light] .drill-paywall{background:#1f7a3b0a}