:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#f7f6f2;--surface:#fff;--text:#1d2329;--muted:#5d6670;--border:#e2ded5;--accent:#1b3a5c;--on-accent:#fff;--warn-bg:#fbf1dc;--error-bg:#f8e1dc;--again:#a8432c;--hard:#8a6516;--good:#2f6b41;--easy:#275a86;--tint:.09;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#15191e;--surface:#1f252c;--text:#e9e7e2;--muted:#a0a8b1;--border:#2f363e;--accent:#8fb3d9;--on-accent:#10161c;--warn-bg:#3a3122;--error-bg:#3d2622;--again:#e3907b;--hard:#d9b462;--good:#84c79a;--easy:#92b9e0;--tint:.16}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);min-height:100dvh;margin:0;font-size:18px;line-height:1.45}#app{min-height:100dvh;padding:calc(env(safe-area-inset-top) + 12px) calc(env(safe-area-inset-right) + 16px) calc(env(safe-area-inset-bottom) + 16px) calc(env(safe-area-inset-left) + 16px)}.screen{max-width:34rem;min-height:calc(100dvh - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 28px);flex-direction:column;gap:16px;margin:0 auto;display:flex}h1{margin:0;font-size:1.4rem}h2{margin:0 0 8px;font-size:1.05rem}p{margin:0}.top{align-items:center;gap:8px;min-height:44px;display:flex}button{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);touch-action:manipulation;-webkit-tap-highlight-color:transparent;cursor:pointer;border-radius:14px;min-height:52px;padding:12px 16px}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--accent);color:var(--on-accent);border-color:#0000;font-weight:600}button.big{min-height:64px;font-size:1.15rem}button.link{min-height:44px;color:var(--accent);background:0 0;border:none;padding:8px 4px;font-weight:600}.stats{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.stat{background:var(--surface);border:1px solid var(--border);text-align:center;border-radius:16px;flex-direction:column;align-items:center;padding:14px 10px;display:flex}.stat .num{font-size:2rem;font-weight:650;line-height:1.1}.stat .label{font-size:.9rem}.stat .sub,.small,.hint,.foot{color:var(--muted);font-size:.85rem}.hint{text-align:center}.panel{background:var(--surface);border:1px solid var(--border);border-radius:16px;flex-direction:column;gap:8px;padding:12px 14px;display:flex}.panel-head{justify-content:space-between;align-items:baseline;gap:8px;font-size:.95rem;font-weight:600;display:flex}.panel-head .sub{white-space:nowrap;font-weight:400}.bar{background:var(--border);border-radius:3px;height:6px;overflow:hidden}.bar-fill{background:var(--accent);height:100%}.goal{align-items:center;gap:10px;min-height:44px;font-size:.95rem;display:flex}.goal-mark{text-align:center;width:1.2em;color:var(--muted)}.goal.reached .goal-mark{color:var(--good);font-weight:700}.goal-label{flex:1}.goal-count{color:var(--muted);font-variant-numeric:tabular-nums}.goal-buttons{gap:6px;display:flex}button.small{border-radius:10px;min-width:44px;min-height:40px;padding:4px 10px;font-size:1.05rem}.exercise{justify-content:space-between;align-items:center;gap:10px;min-height:48px;font-size:.95rem;display:flex}button.small-text{border-radius:10px;min-height:40px;padding:6px 14px;font-size:.95rem}.steps{flex-direction:column;gap:4px;margin:0;padding-left:1.3em;font-size:.95rem;display:flex}.menu{gap:10px;display:grid}.foot{text-align:center;margin-top:auto;padding-top:12px}.notice{background:var(--surface);border:1px solid var(--border);border-radius:14px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:4px 12px;padding:10px 14px;font-size:.95rem;display:flex}.notice.warn{background:var(--warn-bg)}.notice.error{background:var(--error-bg)}.toast{z-index:10;top:calc(env(safe-area-inset-top) + 8px);left:calc(env(safe-area-inset-left) + 16px);right:calc(env(safe-area-inset-right) + 16px);background:var(--surface);border:1px solid var(--border);border-radius:14px;max-width:34rem;margin:0 auto;padding:12px 16px;font-size:.95rem;position:fixed;box-shadow:0 6px 24px #00000026}.study-top{justify-content:space-between;align-items:center;min-height:44px;display:flex}.count{color:var(--muted);font-size:.9rem}.card{background:var(--surface);border:1px solid var(--border);cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:22px;flex-direction:column;flex:1;justify-content:center;gap:18px;min-height:42dvh;padding:28px 22px;display:flex}.card.revealed{cursor:default}.front{font-size:1.35rem;line-height:1.35}.answer{border-top:1px solid var(--border);flex-direction:column;gap:12px;padding-top:18px;display:flex}.back{color:var(--accent);font-size:1.45rem;font-weight:650;line-height:1.3}.example{color:var(--muted);font-style:italic}.tap-hint{color:var(--muted);font-size:.9rem}button.speak{min-height:44px;color:var(--accent);align-self:flex-start;align-items:center;gap:8px;padding:8px 14px;display:inline-flex}.ratings{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}button.rate{flex-direction:column;justify-content:center;align-items:center;gap:4px;min-height:76px;padding:8px 4px;font-size:16px;font-weight:600;display:flex}button.rate small{color:var(--muted);font-size:.8rem;font-weight:400}button.again{color:var(--again);border-color:color-mix(in srgb, var(--again) 45%, transparent);background:color-mix(in srgb, var(--again) calc(var(--tint) * 100%), var(--surface))}button.hard{color:var(--hard);border-color:color-mix(in srgb, var(--hard) 45%, transparent);background:color-mix(in srgb, var(--hard) calc(var(--tint) * 100%), var(--surface))}button.good{color:var(--good);border-color:color-mix(in srgb, var(--good) 45%, transparent);background:color-mix(in srgb, var(--good) calc(var(--tint) * 100%), var(--surface))}button.easy{color:var(--easy);border-color:color-mix(in srgb, var(--easy) 45%, transparent);background:color-mix(in srgb, var(--easy) calc(var(--tint) * 100%), var(--surface))}.done{text-align:center;flex-direction:column;flex:1;justify-content:center;gap:16px;display:flex}.done-title{font-size:1.3rem}textarea,input[type=number]{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px;font-size:17px}textarea{resize:vertical;width:100%}input[type=number]{width:6.5rem;min-height:52px}code{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:1px 6px;font-size:.9em}code.format{overflow-wrap:anywhere;padding:8px 10px;font-size:14px;display:block}.row{flex-wrap:wrap;gap:8px;display:flex}.row>button{flex:10rem}.settings section,.local,.preview{background:var(--surface);border:1px solid var(--border);border-radius:16px;flex-direction:column;gap:10px;padding:14px;display:flex}.cardlist,.issues{flex-direction:column;gap:8px;margin:0;padding:0;font-size:.95rem;list-style:none;display:flex}.cardlist li{flex-direction:column;display:flex}.cardlist li span:last-child{color:var(--accent)}.issues .error{color:var(--again)}.issues .warn{color:var(--hard)}