@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-cyrillic-ext-wght-normal-BOeWTOD4.woff2) format("woff2-variations");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-cyrillic-wght-normal-DqGufNeO.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-greek-ext-wght-normal-DlzME5K_.woff2) format("woff2-variations");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-greek-wght-normal-CkhJZR-_.woff2) format("woff2-variations");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-vietnamese-wght-normal-CBcvBZtf.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-latin-ext-wght-normal-DO1Apj_S.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-latin-wght-normal-Dx4kXJAl.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Share Tech Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/share-tech-mono-latin-400-normal-CCqdbj5z.woff2) format("woff2"),url(/assets/share-tech-mono-latin-400-normal-15MgdvEM.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--font-sans: "Inter Variable", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;--font-serif: var(--font-sans);--font-mono: "Share Tech Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;--navy: #002e45;--navy-2: #143e54;--accent: #b00000;--accent-ink: #7a0000;--blue: #143e54;--ok: #157a4a;--ok-bg: #ecf6f0;--bad: #b00000;--bad-bg: #fbeeee;--bg: #f5f4f5;--bg-2: #eceaec;--card: #ffffff;--ink: #242224;--muted: #6a6668;--line: #e4e1e3;--line-2: #d5d1d3;--radius: 16px;--radius-sm: 11px;--tap: 46px;--fs: 16px;--shadow: 0 1px 2px rgba(36, 34, 36, .05), 0 6px 20px rgba(36, 34, 36, .07);--shadow-sm: 0 1px 2px rgba(36, 34, 36, .06);font-family:var(--font-sans)}.accessible{--fs: 20px;--tap: 58px;--ink: #1a1819;--muted: #494547;--line: #cfcccd}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);background-image:radial-gradient(1200px 420px at 50% -140px,#ffffff 0%,var(--bg) 62%);color:var(--ink);font-size:var(--fs);line-height:1.5;-webkit-font-smoothing:antialiased}.app{max-width:640px;margin:0 auto;min-height:100%;display:flex;flex-direction:column;padding:env(safe-area-inset-top) 18px calc(24px + env(safe-area-inset-bottom))}.topbar{display:flex;align-items:center;gap:10px;padding:16px 0 10px;position:sticky;top:0;background:linear-gradient(var(--bg) 72%,rgba(245,244,245,0));z-index:5}.topbar h1{font-family:var(--font-sans);font-size:1.16em;font-weight:800;letter-spacing:-.2px;color:var(--navy);margin:0}.topbar .spacer{flex:1}.topbar a{color:var(--blue);text-decoration:none;font-weight:600;font-size:.92em}.topbar a.brand{display:inline-flex;align-items:center;font-size:inherit}.brand-lockup{display:inline-flex;align-items:center}.topbar-icon{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;font-size:1.25em;line-height:1;border-radius:10px;border:none;background:transparent;box-shadow:none;color:var(--navy)}.topbar-icon:hover{background:var(--bg-2);box-shadow:none}.drawer-scrim{position:fixed;top:0;right:0;bottom:0;left:0;background:#12233f61;opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:40}.drawer-scrim.open{opacity:1;pointer-events:auto}.drawer{position:fixed;top:0;left:0;bottom:0;width:min(88vw,340px);background:var(--card);box-shadow:0 0 40px #12233f38;padding:calc(16px + env(safe-area-inset-top)) 16px calc(16px + env(safe-area-inset-bottom));transform:translate(-100%);transition:transform .22s ease;z-index:41;overflow-y:auto}.drawer.open{transform:translate(0)}.drawer-head{display:flex;align-items:center;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}.drawer-title{font-family:var(--font-serif);color:var(--navy);font-size:1.15em;font-weight:700}.drawer-close{margin-left:auto;width:36px;height:36px;padding:0;justify-content:center;border:none;background:transparent;box-shadow:none;color:var(--muted);font-size:1.05em}.drawer-close:hover{background:var(--bg-2);box-shadow:none}.drawer-divider{height:1px;background:var(--line);margin:12px 0}.menu-section-label{font-size:.74em;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--muted);margin:16px 4px 8px}.menu-item{display:flex;align-items:flex-start;gap:12px;width:100%;text-align:left;border:1px solid transparent;background:transparent;box-shadow:none;padding:11px 12px;margin-bottom:4px;border-radius:var(--radius-sm)}.menu-item:hover{background:var(--bg-2);box-shadow:none}.menu-item.active{background:#fdeef1;border-color:#f3c9d4}.menu-check{font-size:1.05em;line-height:1.4;color:var(--accent);flex:0 0 auto}.menu-item-body{display:flex;flex-direction:column;gap:1px;min-width:0}.menu-item-title{font-weight:600;color:var(--ink)}.menu-toggle-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 12px;border-top:1px solid var(--line);margin-top:6px}.font-toggle-aa{font-family:var(--font-serif);font-weight:700;line-height:1}.font-toggle-aa:first-letter{font-size:1.3em}a{color:var(--blue)}h2,h3{font-family:var(--font-sans);color:var(--navy);font-weight:800;letter-spacing:-.3px}h3{font-size:1.15em}.eyebrow{font-family:var(--font-mono);font-size:.74em;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:16px;box-shadow:var(--shadow)}.hero{position:relative;overflow:hidden;background:linear-gradient(140deg,var(--navy),var(--navy-2));color:#fff;border:none}.hero:before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--accent) 0 60%,#fff 60% 80%,var(--blue) 80% 100%)}.hero h2{color:#fff;margin:6px 0;font-size:1.5em}.hero p{margin:0;opacity:.88}.hero-eyebrow{display:flex;align-items:center;font-size:.82em;font-weight:700;letter-spacing:.4px;text-transform:uppercase;opacity:.9}button,.btn{font:inherit;min-height:var(--tap);border-radius:var(--radius-sm);border:1px solid var(--line-2);background:var(--card);color:var(--ink);padding:11px 16px;cursor:pointer;text-align:left;text-decoration:none;display:inline-flex;align-items:center;gap:10px;transition:transform .06s ease,box-shadow .15s ease,border-color .15s ease,background .15s ease;box-shadow:var(--shadow-sm)}button:hover,.btn:hover{border-color:var(--line-2);box-shadow:var(--shadow)}button:active,.btn:active{transform:translateY(1px)}button:focus-visible,.option:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid rgba(47,90,146,.4);outline-offset:2px}.btn-primary{background:linear-gradient(180deg,var(--accent),var(--accent-ink));color:#fff;border-color:var(--accent-ink);justify-content:center;font-weight:600;box-shadow:0 2px 6px #8f143647}.btn-primary:hover{box-shadow:0 4px 14px #8f143652}.btn-block{display:flex;width:100%;justify-content:space-between}.btn-lg{min-height:calc(var(--tap) + 10px);font-size:1.02em}.btn-ghost{background:transparent;box-shadow:none;border-color:var(--line);color:var(--muted)}.btn-ghost:hover{color:var(--ink);background:var(--bg-2)}.btn-row{display:flex;gap:10px;flex-wrap:wrap}.btn.btn-lg.btn-block{font-family:var(--font-serif);color:var(--navy);font-size:1.1em}.btn.btn-primary.btn-lg.btn-block{color:#fff}.welcome{position:relative;text-align:center;padding:0 8px 4px;overflow:hidden}.welcome-watermark{position:absolute;top:-18px;left:50%;transform:translate(-50%);width:400px;height:400px;background:var(--navy);opacity:.07;-webkit-mask-image:url(/liberty-silhouette.png);mask-image:url(/liberty-silhouette.png);-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-position:center top;mask-position:center top;-webkit-mask-size:contain;mask-size:contain;pointer-events:none;z-index:0}.welcome-title,.welcome-sub,.welcome .chip-row,.welcome .deck-count{position:relative;z-index:1}.welcome-title{font-size:1.78em;font-weight:800;letter-spacing:-.5px;margin:150px 0 10px;line-height:1.14}.welcome-sub{color:var(--muted);margin:0 auto;max-width:38ch;line-height:1.5}.chip-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:18px}.deck-count{text-align:center;margin:8px 0 0}.chip{display:inline-flex;align-items:center;padding:6px 13px;border-radius:999px;background:var(--card);border:1px solid var(--line);color:var(--navy-2);font-size:.82em;font-weight:700;letter-spacing:.2px}.chip.ghost{color:var(--muted);font-weight:600}.chip.senior{background:#fdeef1;border-color:#f3c9d4;color:var(--accent-ink)}.chip-btn{min-height:0;box-shadow:none}.chip-btn:hover{box-shadow:none;border-color:var(--accent)}.chip-btn:active{transform:none}.qref-row{display:flex;flex-direction:column;align-items:flex-start;gap:6px}.qref-chips{display:flex;flex-wrap:wrap;gap:6px}.qref-chip{padding:2px 10px;font-size:.72em;flex:0 0 auto}.cta{display:flex;align-items:center;gap:14px;width:100%;margin:24px 0 16px;padding:17px 20px;border:none;border-radius:16px;text-decoration:none;background:linear-gradient(180deg,var(--accent),var(--accent-ink));color:#fff;font-family:var(--font-serif);font-weight:700;font-size:1.18em;box-shadow:0 8px 22px #8f14364d;transition:transform .06s ease,box-shadow .15s ease}.cta:hover{box-shadow:0 10px 28px #8f143661}.cta:active{transform:translateY(1px)}.cta-icon{font-size:1.15em;line-height:1}.cta-text{flex:1}.cta-arrow{font-size:1.2em;opacity:.9}.hint{text-align:center;color:var(--muted);font-size:.92em;margin:6px auto 0;max-width:40ch}.grid{display:grid;gap:14px}.grid-2{grid-template-columns:1fr 1fr}.stat{text-align:center;padding:4px 0}.stat .n{font-family:var(--font-serif);font-size:2.1em;font-weight:700;color:var(--navy);line-height:1.1}.stat .l{color:var(--muted);font-size:.82em;margin-top:2px}.muted{color:var(--muted)}.small{font-size:.86em}.app-disclaimer{margin-top:auto;padding:16px 4px 4px;border-top:1px solid var(--border, #e5e2db);text-align:center;line-height:1.45}.app-disclaimer a{color:var(--blue)}.pill{display:inline-flex;align-items:center;padding:3px 11px;border-radius:999px;background:#eef1f6;color:var(--navy-2);font-size:.74em;font-weight:700;letter-spacing:.3px;text-transform:uppercase;white-space:nowrap}.pill.senior{background:#fdeef1;color:var(--accent-ink)}.pill.dyn{background:#e9f2ec;color:var(--ok)}.question-text{font-family:var(--font-serif);font-size:1.32em;font-weight:600;line-height:1.35;color:var(--navy);margin:10px 0 18px}.option{display:flex;align-items:center;gap:12px;width:100%;margin-bottom:10px;text-align:left;border:1.5px solid var(--line-2);background:var(--card);font-size:1em;padding:13px 15px}.option:hover{border-color:var(--blue)}.option.correct{border-color:var(--ok);background:var(--ok-bg)}.option.wrong{border-color:var(--bad);background:var(--bad-bg)}.mark{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;flex:0 0 auto;border-radius:7px;border:2px solid var(--line-2);background:var(--card);transition:background .12s ease,border-color .12s ease}.mark.on{background:var(--blue);border-color:var(--blue)}.mark.on:after{content:"✓";color:#fff;font-size:13px;font-weight:800;line-height:1}.option.correct .mark{border-color:var(--ok)}.option.correct .mark.on{background:var(--ok);border-color:var(--ok)}.option.wrong .mark.on{background:var(--bad);border-color:var(--bad)}.field{width:100%;min-height:var(--tap);font:inherit;padding:12px 14px;border:1.5px solid var(--line-2);border-radius:var(--radius-sm);background:var(--card);color:var(--ink)}.field:focus{border-color:var(--blue);outline:none}select,input[type=text]{font:inherit;min-height:var(--tap);border-radius:var(--radius-sm);border:1.5px solid var(--line-2);padding:9px 12px;background:var(--card);color:var(--ink)}.feedback{border-radius:var(--radius-sm);padding:14px 16px;margin-top:12px;border:1px solid var(--line)}.feedback.ok{background:var(--ok-bg);border-color:#bfe3cd}.feedback.bad{background:var(--bad-bg);border-color:#ecc}.feedback h4{margin:0 0 6px;font-size:1.05em}.feedback.ok h4{color:var(--ok)}.feedback.bad h4{color:var(--bad)}.feedback ul{margin:6px 0 0;padding-left:20px}.feedback li{margin:2px 0}.learn{margin-top:12px;padding:14px 16px;border-radius:var(--radius-sm);background:#f2f6fc;border:1px solid #dce6f3}.learn strong{display:block;margin-bottom:4px;color:var(--navy-2);font-size:.9em;letter-spacing:.2px}.learn p{margin:0;color:var(--ink)}.progressbar{height:9px;background:var(--bg-2);border-radius:999px;overflow:hidden;border:1px solid var(--line)}.progressbar>div{height:100%;background:linear-gradient(90deg,var(--blue),var(--navy-2));transition:width .3s ease}label.row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}label.row:last-child{border-bottom:none}label.row>span{flex:1;min-width:0}label.row.stack{flex-direction:column;align-items:stretch;gap:8px}label.row.stack>span{flex:none;font-weight:600}label.row.stack select,label.row.stack input[type=text]{width:100%}.derived-value{display:flex;align-items:center;gap:10px;flex-wrap:wrap;min-height:var(--tap);padding:9px 12px;border:1.5px solid var(--line);border-radius:var(--radius-sm);background:var(--bg-2);color:var(--ink);font-weight:600}.derived-value.empty{color:var(--muted);font-weight:400}input[type=checkbox].switch{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:50px;height:30px;border-radius:999px;background:var(--line-2);position:relative;cursor:pointer;transition:background .16s ease;flex:0 0 auto;box-shadow:none;border:none}input[type=checkbox].switch:after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #00000040;transition:transform .16s ease}input[type=checkbox].switch:checked{background:var(--ok)}input[type=checkbox].switch:checked:after{transform:translate(20px)}@media(max-width:480px){.app{padding:env(safe-area-inset-top) 14px calc(20px + env(safe-area-inset-bottom))}.card{padding:18px 16px}}.mode-teaser{display:flex;align-items:center;gap:14px;width:100%;margin:0 0 16px;padding:16px 18px;border-radius:16px;border:1px solid var(--line);background:var(--bg-2);color:var(--muted);cursor:default}.mode-teaser-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.mode-teaser-title{font-weight:700;color:var(--navy)}.mode-teaser-sub{font-size:.85em}.soon-badge{font-family:var(--font-mono);font-size:.66em;letter-spacing:1px;text-transform:uppercase;color:var(--accent);background:#fdf0f0;border:1px solid #f2caca;border-radius:999px;padding:3px 9px;flex:0 0 auto}.home-statslink{display:inline-flex;align-items:center;gap:6px;margin:2px auto 0;color:var(--blue);font-weight:600;font-size:.92em;text-decoration:none}.home-statslink:hover{text-decoration:underline}.stats-empty{text-align:center;color:var(--muted);padding:8px 4px}.stats-empty .cta{margin-top:18px}