@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}.flex{display:flex}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}:root{--bg:#f6f4ef;--panel:#fcfbf7;--ink:#1b241e;--muted:#6c7a70;--line:#1b241e1c;--line-2:#1b241e2e;--em:#0f6b4f;--em-d:#0a5540;--em-soft:#e4eee8;--coral:#be5236;--amber:#b0812a;--sage:#5e8570;--newc:#8a968d}*{box-sizing:border-box}html,body{margin:0;padding:0}body{color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:Hanken Grotesk,system-ui,sans-serif;line-height:1.45}a{color:inherit;text-decoration:none}.bn{font-family:Hind Siliguri,Hanken Grotesk,sans-serif}.vp-shell{min-height:100vh;display:flex}.vp-rail{border-right:1px solid var(--line);flex-direction:column;flex-shrink:0;width:236px;height:100vh;padding:26px 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var(--line);margin-top:auto;padding-top:16px}.vp-user{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;margin-bottom:10px;font-size:12.5px;overflow:hidden}.vp-user b{color:var(--ink);font-size:13.5px;font-weight:700;display:block}.vp-signout{color:var(--muted);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;padding:0;font-family:inherit;font-size:12.5px;font-weight:600;display:inline-flex}.vp-signout:hover{color:var(--coral)}.vp-main{flex:1;min-width:0}.vp-page{max-width:760px;margin:0 auto;padding:40px 30px 90px}.vp-eyebrow{letter-spacing:.14em;text-transform:uppercase;color:var(--em);margin-bottom:12px;font-size:12px;font-weight:700}.vp-h1{letter-spacing:-.01em;margin:0;font-family:Newsreader,Georgia,serif;font-size:34px;font-weight:500;line-height:1.12}.vp-head{margin-bottom:28px}.vp-sub{color:var(--muted);margin:10px 0 0;font-size:15px}.vp-actions{flex-wrap:wrap;gap:9px;margin-top:16px;display:flex}.vp-stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(4,1fr);margin-bottom:22px;display:grid}.vp-stat{border-left:1px solid var(--line);padding:18px 6px 18px 18px}.vp-stat:first-child{border-left:none;padding-left:0}.vp-stat-n{font-family:Newsreader,serif;font-size:30px;font-weight:600;line-height:1}.vp-stat-l{color:var(--muted);margin-top:5px;font-size:12px}.vp-stat.emerald .vp-stat-n{color:var(--em)}.vp-stat.sage .vp-stat-n{color:var(--sage)}.vp-stat.amber .vp-stat-n{color:var(--amber)}.vp-cta{background:var(--em);color:#fff;cursor:pointer;text-align:left;border:none;border-radius:13px;justify-content:space-between;align-items:center;width:100%;margin-bottom:26px;padding:18px 20px;font-family:inherit;transition:all .15s;display:flex}.vp-cta:hover{background:var(--em-d)}.vp-cta-t{font-size:16px;font-weight:700}.vp-cta-s{opacity:.85;margin-top:2px;font-size:13px}.vp-distblock{margin-bottom:26px}.vp-lbl{letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:10px;font-size:12px;font-weight:700}.vp-dist{border-radius:6px;gap:2px;height:9px;display:flex;overflow:hidden}.vp-seg{border-radius:2px}.vp-seg.new{background:var(--newc)}.vp-seg.hard{background:var(--coral)}.vp-seg.medium{background:var(--amber)}.vp-seg.easy{background:var(--em)}.vp-seg.mastered{background:var(--sage)}.vp-legend{color:var(--muted);flex-wrap:wrap;gap:14px;margin-top:11px;font-size:12px;display:flex}.vp-dot{vertical-align:middle;border-radius:3px;width:8px;height:8px;margin-right:5px;display:inline-block}.vp-dot.new{background:var(--newc)}.vp-dot.hard{background:var(--coral)}.vp-dot.medium{background:var(--amber)}.vp-dot.easy{background:var(--em)}.vp-dot.mastered{background:var(--sage)}.vp-secline{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.vp-list{border-top:1px solid var(--line);flex-direction:column;display:flex}.vp-row{border-bottom:1px solid var(--line);cursor:pointer;color:inherit;align-items:center;gap:14px;padding:16px 4px;transition:all .12s;display:flex}.vp-row:hover{background:#0f6b4f09}.vp-row-ic{background:var(--em-soft);width:34px;height:34px;color:var(--em-d);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.vp-row-body{flex:1;min-width:0}.vp-row-t{font-size:15.5px;font-weight:600}.vp-row-s{color:var(--muted);margin-top:1px;font-size:12.5px}.vp-chev{color:var(--line-2);flex-shrink:0}.vp-btn{border:1px solid var(--line-2);background:var(--panel);color:var(--ink);cursor:pointer;border-radius:9px;align-items:center;gap:7px;padding:10px 15px;font-family:inherit;font-size:13.5px;font-weight:600;text-decoration:none;transition:all 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0;border:none;align-items:center;gap:4px;margin-bottom:18px;padding:0;font-family:inherit;font-size:13.5px;font-weight:600;display:inline-flex}.vp-back:hover{color:var(--ink)}.vp-pbar{background:#1b241e14;border-radius:4px;height:5px;margin-bottom:26px;overflow:hidden}.vp-pbar-fill{background:var(--em);border-radius:4px;height:100%;transition:width .3s}.vp-flashwrap{justify-content:center;margin:10px 0 22px;display:flex}.vp-flashcard{border:1px solid var(--line-2);background:var(--panel);text-align:center;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;width:100%;max-width:520px;min-height:230px;padding:36px 30px;display:flex}.vp-flashcard.tap{cursor:pointer;transition:all 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em{color:var(--muted);font-size:11.5px;font-style:normal;font-weight:500}.vp-rate.hard{color:var(--coral)}.vp-rate.hard:hover{border-color:var(--coral);background:#be523617}.vp-rate.medium{color:var(--amber)}.vp-rate.medium:hover{border-color:var(--amber);background:#b0812a1a}.vp-rate.easy{color:var(--em-d)}.vp-rate.easy:hover{background:var(--em-soft);border-color:var(--em)}.vp-modes{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.vp-mode{text-align:left;border:1px solid var(--line-2);background:var(--panel);cursor:pointer;border-radius:14px;padding:18px;font-family:inherit;transition:all .15s}.vp-mode:hover:not(.off){border-color:var(--em);transform:translateY(-2px)}.vp-mode.off{opacity:.5;cursor:not-allowed}.vp-mode-ic{background:var(--em-soft);width:36px;height:36px;color:var(--em-d);border-radius:9px;justify-content:center;align-items:center;margin-bottom:13px;font-weight:700;display:flex}.vp-mode-t{font-size:15.5px;font-weight:700}.vp-mode-d{color:var(--muted);margin-top:3px;font-size:12.5px;line-height:1.4}.vp-gametop{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.vp-gametop .vp-back{margin-bottom:0}.vp-gametop-t{align-items:center;gap:6px;font-size:14px;font-weight:700;display:flex}.vp-gametop-r{color:var(--em-d);font-variant-numeric:tabular-nums;font-size:15px;font-weight:700}.vp-qwrap{border:1px solid var(--line);background:var(--panel);text-align:center;border-radius:16px;padding:34px 26px}.vp-q-sub{letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:16px;font-size:11px;font-weight:700}.vp-prompt{margin-bottom:28px;font-family:Newsreader,serif;font-size:34px;font-weight:500;line-height:1.2}.vp-prompt.bn{font-family:Hind Siliguri,sans-serif;font-size:30px;font-weight:600}.vp-opts{grid-template-columns:1fr 1fr;gap:11px;display:grid}.vp-opt{border:1px solid var(--line-2);background:var(--bg);cursor:pointer;border-radius:11px;padding:15px;font-family:inherit;font-size:16px;font-weight:600;transition:all .13s}.vp-opt.bn{font-family:Hind Siliguri,sans-serif}.vp-opt:hover:not(:disabled){border-color:var(--em);background:var(--em-soft)}.vp-opt:disabled{cursor:default}.vp-opt.correct{background:var(--em);border-color:var(--em);color:#fff}.vp-opt.wrong{border-color:var(--coral);color:var(--coral);background:#be52361f}.vp-typewrap{flex-direction:column;gap:12px;max-width:420px;margin:0 auto;display:flex}.vp-hint{color:var(--muted);justify-content:center;align-items:center;gap:6px;font-size:13px;display:inline-flex}.vp-correction{color:var(--coral);font-size:14px}.vp-correction b{color:var(--ink)}.vp-verdict{align-items:center;gap:7px;margin-top:20px;font-size:15px;font-weight:700;display:inline-flex}.vp-verdict.right{color:var(--em-d)}.vp-verdict.wrong{color:var(--coral)}.vp-celebrate{text-align:center;padding:20px 0 6px}.vp-celebrate-ic{background:var(--em-soft);width:56px;height:56px;color:var(--em-d);border-radius:16px;justify-content:center;align-items:center;margin:0 auto 16px;display:flex}.vp-celebrate-t{font-family:Newsreader,serif;font-size:28px;font-weight:600}.vp-celebrate-s{color:var(--muted);max-width:420px;margin-top:8px;margin-left:auto;margin-right:auto;font-size:14.5px}.vp-resultbig{text-align:center;margin:28px 0}.vp-result-n{color:var(--em);font-family:Newsreader,serif;font-size:64px;font-weight:600;line-height:1}.vp-result-n em{color:var(--muted);font-size:30px;font-style:normal}.vp-result-l{color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-top:6px;font-size:13px}.vp-center{justify-content:center;margin-top:20px;display:flex}.vp-center.gap{gap:12px}.vp-auth{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.vp-auth-card{width:100%;max-width:400px}.vp-auth-brand{justify-content:center;align-items:center;gap:11px;margin-bottom:26px;display:flex}.vp-auth-t{text-align:center;margin:0;font-family:Newsreader,serif;font-size:28px;font-weight:600}.vp-auth-s{text-align:center;color:var(--muted);margin:6px 0 26px;font-size:14px}.vp-auth-form{flex-direction:column;gap:12px;display:flex}.vp-auth-alt{text-align:center;color:var(--muted);margin-top:20px;font-size:13.5px}.vp-auth-alt a{color:var(--em-d);font-weight:700}.vp-err{color:var(--coral);background:#be52361a;border:1px solid #be52364d;border-radius:9px;padding:10px 13px;font-size:13.5px}.vp-ok{background:var(--em-soft);color:var(--em-d);border:1px solid #0f6b4f4d;border-radius:9px;padding:10px 13px;font-size:13.5px}.vp-demo{text-align:center;color:var(--muted);margin-top:16px;font-size:12.5px}.vp-demo code{background:#1b241e0f;border-radius:5px;padding:2px 6px;font-size:12px}@media (max-width:720px){.vp-shell{flex-direction:column}.vp-rail{z-index:10;background:var(--bg);flex-direction:row;align-items:center;gap:14px;width:100%;height:auto;padding:12px 16px;position:sticky;top:0}.vp-brand{margin-bottom:0}.vp-brand-s{display:none}.vp-navlist{flex-direction:row;gap:4px;margin-left:auto}.vp-nav span{display:none}.vp-nav{padding:9px}.vp-rail-foot{border-top:none;border-left:1px solid var(--line);margin-top:0;padding-top:0;padding-left:8px}.vp-user{display:none}.vp-page{padding:26px 18px 80px}.vp-h1{font-size:27px}.vp-stats{grid-template-columns:1fr 1fr}.vp-stat{padding-left:14px}.vp-stat:nth-child(odd){border-left:none;padding-left:0}.vp-modes,.vp-form-grid{grid-template-columns:1fr}.vp-specimen{font-size:38px}.vp-prompt{font-size:28px}.vp-opts,.vp-rate-btns{grid-template-columns:1fr}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}