@font-face{font-family:Fraunces;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/fraunces-vietnamese-500-normal-GOH_-EGq.woff2) format("woff2"),url(/assets/fraunces-vietnamese-500-normal-B-KbxExq.woff) format("woff");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:Fraunces;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/fraunces-latin-ext-500-normal-Z5DV8IzT.woff2) format("woff2"),url(/assets/fraunces-latin-ext-500-normal-BMcFk1Xs.woff) format("woff");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:Fraunces;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/fraunces-latin-500-normal-DnGCNyPD.woff2) format("woff2"),url(/assets/fraunces-latin-500-normal-BTR4KCeb.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}@font-face{font-family:Fraunces;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/fraunces-vietnamese-600-normal-BjlAJixd.woff2) format("woff2"),url(/assets/fraunces-vietnamese-600-normal-DlAl5EAR.woff) format("woff");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:Fraunces;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/fraunces-latin-ext-600-normal-BtzmzP0X.woff2) format("woff2"),url(/assets/fraunces-latin-ext-600-normal-B0Dy4lqi.woff) format("woff");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:Fraunces;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/fraunces-latin-600-normal-BFCDtZfi.woff2) format("woff2"),url(/assets/fraunces-latin-600-normal-DL5QCzvS.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}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-sans-cyrillic-ext-400-normal-g30qAdWV.woff2) format("woff2"),url(/assets/ibm-plex-sans-cyrillic-ext-400-normal-Dsrv2Tcn.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-sans-cyrillic-400-normal-DZqxrq2p.woff2) format("woff2"),url(/assets/ibm-plex-sans-cyrillic-400-normal-BTotfTJu.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-sans-greek-400-normal-_efipK4i.woff2) format("woff2"),url(/assets/ibm-plex-sans-greek-400-normal-D9ESIMu3.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-sans-vietnamese-400-normal-DG4YqDda.woff2) format("woff2"),url(/assets/ibm-plex-sans-vietnamese-400-normal-fK1oJ5dG.woff) format("woff");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:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-sans-latin-ext-400-normal-C5H60-Va.woff2) format("woff2"),url(/assets/ibm-plex-sans-latin-ext-400-normal-RBey6euL.woff) format("woff");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:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-sans-latin-400-normal-CDDApCn2.woff2) format("woff2"),url(/assets/ibm-plex-sans-latin-400-normal-CYLoc0-x.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}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-sans-cyrillic-ext-500-normal-Cs5J6C77.woff2) format("woff2"),url(/assets/ibm-plex-sans-cyrillic-ext-500-normal-DB5PtV2g.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-sans-cyrillic-500-normal-CocWQlwt.woff2) format("woff2"),url(/assets/ibm-plex-sans-cyrillic-500-normal-ByOcLdNv.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-sans-greek-500-normal-JMMifIXV.woff2) format("woff2"),url(/assets/ibm-plex-sans-greek-500-normal-CuWXN6rf.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-sans-vietnamese-500-normal-e4dixQRQ.woff2) format("woff2"),url(/assets/ibm-plex-sans-vietnamese-500-normal-BEb3_waV.woff) format("woff");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:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-sans-latin-ext-500-normal-DakdToA3.woff2) format("woff2"),url(/assets/ibm-plex-sans-latin-ext-500-normal-D0aIdm-b.woff) format("woff");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:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-sans-latin-500-normal-6ng42L7E.woff2) format("woff2"),url(/assets/ibm-plex-sans-latin-500-normal-BgVn5rGT.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}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-sans-cyrillic-ext-600-normal-DUMzJB7m.woff2) format("woff2"),url(/assets/ibm-plex-sans-cyrillic-ext-600-normal-Bz0x94Yp.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-sans-cyrillic-600-normal-71GNu3SW.woff2) format("woff2"),url(/assets/ibm-plex-sans-cyrillic-600-normal-BGq0mW3O.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-sans-greek-600-normal-DzTrcv_p.woff2) format("woff2"),url(/assets/ibm-plex-sans-greek-600-normal-D-CqTdkO.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-sans-vietnamese-600-normal-DpPYBSTl.woff2) format("woff2"),url(/assets/ibm-plex-sans-vietnamese-600-normal-DgdngZtN.woff) format("woff");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:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-sans-latin-ext-600-normal-DOrvGEcy.woff2) format("woff2"),url(/assets/ibm-plex-sans-latin-ext-600-normal-DIrixKbi.woff) format("woff");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:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-sans-latin-600-normal-CuJfVYMP.woff2) format("woff2"),url(/assets/ibm-plex-sans-latin-600-normal-Cu4Hd6ag.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}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-mono-cyrillic-ext-500-normal-BqneJy0T.woff2) format("woff2"),url(/assets/ibm-plex-mono-cyrillic-ext-500-normal-BIfNGwUT.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-mono-cyrillic-500-normal-Bq9vWWag.woff2) format("woff2"),url(/assets/ibm-plex-mono-cyrillic-500-normal-Ael50iVv.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-mono-vietnamese-500-normal-DZ4AoWbu.woff2) format("woff2"),url(/assets/ibm-plex-mono-vietnamese-500-normal-C8zxqsMH.woff) format("woff");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:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-mono-latin-ext-500-normal-CAhNIIs5.woff2) format("woff2"),url(/assets/ibm-plex-mono-latin-ext-500-normal-CZ70TYgx.woff) format("woff");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:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-mono-latin-500-normal-DSY6xOcd.woff2) format("woff2"),url(/assets/ibm-plex-mono-latin-500-normal-CB9ihrfo.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}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-mono-cyrillic-ext-600-normal-V-xxqcpd.woff2) format("woff2"),url(/assets/ibm-plex-mono-cyrillic-ext-600-normal-9HEixskS.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-mono-cyrillic-600-normal-CTOM6hUh.woff2) format("woff2"),url(/assets/ibm-plex-mono-cyrillic-600-normal-fLZuRloM.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-mono-vietnamese-600-normal-D2EvbN8M.woff2) format("woff2"),url(/assets/ibm-plex-mono-vietnamese-600-normal-iLQfcSjf.woff) format("woff");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:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-mono-latin-ext-600-normal-D38SheWl.woff2) format("woff2"),url(/assets/ibm-plex-mono-latin-ext-600-normal-DmB0ttJJ.woff) format("woff");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:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-mono-latin-600-normal-BgSNZQsw.woff2) format("woff2"),url(/assets/ibm-plex-mono-latin-600-normal-DWFSQ4vo.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{--paper: #f4efe6;--paper-2: #fbf7ef;--card: #fffdf8;--line: #e3dacb;--line-strong: #b5a68e;--ink: #1e1b16;--ink-2: #574e42;--green: #1d5b3a;--green-ink: #123d26;--green-soft: #e3eee5;--amber: #8a4b0f;--amber-ink: #3f2408;--amber-soft: #f7ebdd;--red: #b42318;--red-soft: #fbe9e7;--blue: #1f5fa8;--blue-soft: #e6eef8;--on-accent: #fff;--board-light: #a59477;--board-dark: #674c3b;--font-display: "Fraunces", Georgia, serif;--font-sans: "IBM Plex Sans", system-ui, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, monospace;--radius-sm: 8px;--radius-md: 12px;--radius-pill: 999px}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-sans);font-size:16px;line-height:1.45}h1,h2{font-family:var(--font-display);font-weight:600;letter-spacing:-.01em}a{color:var(--green)}a:hover{color:var(--green-ink)}button{font:inherit}.muted{color:var(--ink-2)}.error-text{color:var(--red);margin:0}.splash{min-height:100dvh;display:grid;place-items:center;color:var(--ink-2)}.signin{max-width:440px;min-height:100dvh;margin:0 auto;padding:48px 24px 28px;display:flex;flex-direction:column;gap:28px}.brand-row{display:flex;align-items:center;gap:10px}.brand-name{font-family:var(--font-display);font-size:20px;font-weight:600}.signin-copy h1{margin:0 0 12px;font-size:36px;line-height:40px;letter-spacing:-.02em}.signin-copy p{margin:0}.signin-actions{margin-top:auto;display:flex;flex-direction:column;align-items:center;gap:14px}.google-button{min-height:44px}.fine-print{margin:0;font-size:13px;line-height:19px;color:var(--ink-2);text-align:center}.page{max-width:720px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column}.topbar{height:56px;padding:0 16px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--line)}.topbar h1{margin:0;flex-grow:1;font-size:20px}.icon-button{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;background:var(--card);color:var(--ink-2)}.content{padding:20px 16px 24px;display:flex;flex-direction:column;gap:20px;flex-grow:1}.section-label{margin:0;font-family:var(--font-sans);font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2)}.card{padding:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md)}.coach-card{display:flex;gap:12px;align-items:flex-start}.coach-avatar{width:32px;height:32px;flex-shrink:0;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-family:var(--font-display);font-weight:600}.coach-card p{margin:4px 0 0}.upload-tile{min-height:96px;padding:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;border:1.5px dashed var(--line-strong);border-radius:var(--radius-md);background:var(--paper-2);color:var(--ink);text-align:center}.upload-tile[aria-disabled=true]{cursor:not-allowed}.book-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.primary-button,.secondary-button{height:48px;padding:0 20px;border-radius:var(--radius-pill);font-weight:600;cursor:pointer}.primary-button{border:none;background:var(--green);color:#fff}.secondary-button{border:1px solid var(--green);background:var(--card);color:var(--green)}.choice-list{margin:0;padding:0;border:none;display:flex;flex-direction:column;gap:8px}.choice{min-height:48px;padding:0 14px;display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);cursor:pointer}.choice:has(input:checked){border-color:var(--green);background:var(--green-soft);color:var(--green-ink);font-weight:600}.status-text{min-height:20px;margin:0;font-size:14px;color:var(--ink-2)}.signin-board{align-self:center;width:min(100%,280px);padding:10px;background:var(--card);border:1px solid var(--line);border-radius:10px}.lab-board{width:100%;max-width:560px;align-self:center}.field{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600}.field.inline{flex-direction:row;align-items:center;gap:10px}.mono-input,.field select{min-height:44px;padding:0 12px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--card);color:var(--ink);font:inherit;font-weight:400}.mono-input{font-family:var(--font-mono);font-size:14px}.row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.lazy-page-error{display:flex;flex-direction:column;align-items:center;gap:12px;padding:0 16px;text-align:center}.page--wide{max-width:720px}.topbar-title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar-heading{flex-grow:1;min-width:0}.topbar-heading h1{margin:0;font-size:20px}.topbar-heading p{margin:0;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.page:has(.topbar-heading) .topbar{height:auto;min-height:56px;padding-top:8px;padding-bottom:8px}.note{margin:0;padding:10px 12px;border-left:3px solid var(--amber);border-radius:var(--radius-md);background:var(--amber-soft);color:var(--amber-ink);font-size:14px}.note--green{border-left-color:var(--green);background:var(--green-soft);color:var(--green-ink)}.text-button{min-height:44px;padding:0 4px;align-self:flex-start;border:none;background:none;color:var(--green);font-weight:600;text-decoration:underline;text-underline-offset:3px;cursor:pointer}.text-button--small{font-size:14px;font-weight:500;color:var(--ink-2)}.text-button:disabled{opacity:.6;cursor:not-allowed}.compact-button{height:44px;padding:0 16px;font-size:14px}.link-button{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}.link-button.primary-button:hover{color:#fff}.primary-button:disabled,.secondary-button:disabled,.danger-button:disabled{opacity:.5;cursor:not-allowed}.danger-button{height:48px;padding:0 20px;border:none;border-radius:var(--radius-pill);background:var(--red);color:#fff;font-weight:600;cursor:pointer}.danger-outline{border-color:var(--red);color:var(--red)}.primary-button:focus-visible,.secondary-button:focus-visible,.danger-button:focus-visible,.text-button:focus-visible,.upload-tile:focus-visible,.palette-button:focus-visible,.check-link:focus-visible,.book-card-title:focus-visible,.side-option:has(input:focus-visible),.file-button:has(input:focus-visible){outline:3px solid var(--blue);outline-offset:2px}.upload-area{display:flex;flex-direction:column;gap:8px}.upload-tile{width:100%;font:inherit;cursor:pointer}.upload-tile svg{color:var(--green)}.upload-tile[aria-disabled=true]{cursor:progress}.book-card{display:flex;flex-direction:column;align-items:flex-start;gap:6px}.book-card .progress-bar{align-self:stretch}.book-card-title{min-height:44px;display:flex;align-items:center;color:var(--ink);font-family:var(--font-display);font-size:18px;font-weight:600;line-height:1.25;text-decoration:none}.book-card-title:hover{color:var(--green-ink);text-decoration:underline}.book-author{margin:0;font-size:14px}.book-status{margin:0;color:var(--ink-2);font-size:14px}.book-status--error{color:var(--red)}.check-link{min-height:44px;padding:0 16px;display:inline-flex;align-items:center;border-radius:var(--radius-pill);background:var(--amber-soft);color:var(--amber-ink);font-size:14px;font-weight:600;text-decoration:none}.check-link:hover{color:var(--amber-ink);text-decoration:underline}.book-summary{display:flex;flex-direction:column;align-items:flex-start;gap:8px}.book-summary .book-status{font-size:15px}.chapter-list{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}.chapter-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;padding:12px 14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md)}.chapter-main{min-width:0;display:flex;flex-direction:column;gap:4px}.chapter-title{overflow-wrap:anywhere}.chapter-pages{font-size:13px}.chip.chapter-chip{display:inline-block;min-height:0;max-width:11rem;padding:7px 12px;justify-content:center;font-size:13px;line-height:1.3;text-align:center}.chip.chip--ready{border-color:var(--green-soft);background:var(--green-soft);color:var(--green);font-weight:600}.book-settings{display:flex;flex-direction:column;align-items:flex-start;gap:12px}.book-settings h2{margin:0;font-size:18px}.delete-confirm p{margin:0 0 12px}.check-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:20px}.check-source,.check-position{min-width:0;display:flex;flex-direction:column;gap:14px}.diagram-figure{margin:0;display:flex;flex-direction:column;gap:6px}.diagram-figure figcaption{font-size:13px}.diagram-crop{display:block;max-width:100%;height:auto;border:1px solid var(--line);border-radius:var(--radius-md);background:#fff}.diagram-crop--loading{width:100%;aspect-ratio:1 / 1;background:var(--paper-2)}.check-board{width:100%;max-width:480px}.field-error{color:var(--red);font-weight:400}.field-hint{font-size:13px}.side-toggle{display:flex;flex-wrap:wrap;gap:8px}.side-option{min-height:44px;padding:0 14px;display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:var(--radius-pill);background:var(--card);color:var(--ink-2);font-size:14px;cursor:pointer}.side-option:has(input:checked){border-color:var(--green);background:var(--green-soft);color:var(--green-ink);font-weight:600}.side-option input{accent-color:var(--green)}.checklist{list-style:none;margin:0;padding:12px 14px;display:flex;flex-direction:column;gap:8px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md)}.checklist-row{display:grid;grid-template-columns:20px 1fr;column-gap:8px;font-size:14px}.checklist-mark{text-align:center;font-weight:700}.checklist-mark--pass{color:var(--green)}.checklist-mark--fail{color:var(--red)}.checklist-mark--na{color:var(--ink-2)}.chip.confidence{align-self:flex-start;min-height:32px;font-size:13px}.chip.confidence--high{border-color:var(--green-soft);background:var(--green-soft);color:var(--green-ink)}.chip.confidence--low{border-color:var(--amber-soft);background:var(--amber-soft);color:var(--amber);font-weight:600}.alert-area:empty{display:none}.check-actions{display:flex;flex-wrap:wrap;gap:10px}.check-actions .primary-button{flex:1 1 160px}.alt-panel{display:flex;flex-direction:column;align-items:flex-start;gap:12px}.alt-panel .field{align-self:stretch}.file-button{min-height:44px;padding:0 20px;display:inline-flex;align-items:center;border:1px solid var(--green);border-radius:var(--radius-pill);background:var(--card);color:var(--green);font-weight:600;cursor:pointer}.file-button input{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}.done-card{display:flex;flex-direction:column;align-items:flex-start;gap:14px}.done-card p{margin:0;font-family:var(--font-display);font-size:18px;color:var(--green-ink)}.board-editor{display:flex;flex-direction:column;gap:12px}.palette{display:grid;grid-template-columns:repeat(7,44px);gap:4px}.palette-button{width:44px;height:44px;padding:3px;display:grid;place-items:center;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--card);color:var(--ink-2);cursor:pointer}.palette-button img{width:100%;height:100%;pointer-events:none}.palette-button[aria-pressed=true]{border:2px solid var(--green);background:var(--green-soft);color:var(--green-ink)}@media(max-width:359px){.palette{grid-template-columns:repeat(auto-fill,44px)}}@media(min-width:900px){.page--wide{max-width:1080px}.check-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}.check-source{position:sticky;top:16px}}.nowrap{white-space:nowrap}.book-progress{margin:4px 0 0;font-size:13px}.chapter-progress{font-size:13px;color:var(--green-ink)}.coach-card:focus{outline:none}.coach-card:focus-visible{outline:3px solid var(--blue);outline-offset:2px}.recap-lines{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:4px;overflow-wrap:anywhere}.recap-card .text-button{margin-top:8px}.roadmap-book{flex-grow:1;font-size:15px}.roadmap-heading{display:flex;flex-direction:column;gap:4px}.roadmap-label{margin:0;color:var(--ink-2);font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase}.roadmap-title{margin:0;font-family:var(--font-display);font-size:28px;line-height:1.15;overflow-wrap:anywhere}.all-chapters{margin-top:-8px;display:flex;flex-direction:column;align-items:flex-start;gap:4px}.all-chapters-list{list-style:none;margin:0;padding:4px 14px;align-self:stretch;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md)}.all-chapters-row{min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line)}.all-chapters-row:last-child{border-bottom:none}.all-chapters-row a{min-height:44px;display:inline-flex;align-items:center;font-weight:500;overflow-wrap:anywhere}.all-chapters-row a[aria-current=page]{color:var(--ink);font-weight:600;text-decoration:none}.all-chapters-sub{flex-shrink:0;font-size:13px}.plan-start{display:flex;flex-direction:column;align-items:flex-start;gap:12px}.plan-start p{margin:0}.plan-area>*+*{margin-top:12px}.plan-area>.plan-live:empty+*{margin-top:0}.plan-area p{margin:0}.plan-live>*+*{margin-top:10px}.plan-stale{color:var(--amber-ink);font-size:14px}.plan-status{margin:0;padding:12px 14px;border-radius:var(--radius-md);background:var(--green-soft);color:var(--green-ink);font-weight:500}.roadmap-nudge-link{display:inline-flex;align-items:center;min-height:44px;color:var(--amber-ink);font-weight:600}.roadmap-nudge-link:hover{color:var(--amber-ink)}.note.roadmap-nudge{padding-top:4px;padding-bottom:4px}.note.roadmap-nudge span{display:inline-block;padding-top:6px}.lesson-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.lesson-row{position:relative;min-height:44px;padding:12px 14px;display:flex;flex-direction:column;gap:2px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md)}.lesson-row:hover{border-color:var(--line-strong)}.lesson-row:has(.lesson-link:focus-visible){outline:3px solid var(--blue);outline-offset:2px}.lesson-link{color:var(--ink);font-weight:600;text-decoration:none;overflow-wrap:anywhere}.lesson-link:after{content:"";position:absolute;inset:0;border-radius:var(--radius-md)}.lesson-link:focus-visible{outline:none}.lesson-row:hover .lesson-title{text-decoration:underline;text-underline-offset:3px}.lesson-number{color:var(--green);font-family:var(--font-mono);font-weight:600}.lesson-sub{color:var(--ink-2);font-size:13px}.lesson-row[data-status=failed] .lesson-sub{color:var(--red)}.lesson-row[data-status=ready] .lesson-sub{color:var(--green)}.chapter-link{min-height:44px;display:inline-flex;align-items:center;align-self:flex-start;font-weight:600}.chapter-link:focus-visible,.all-chapters-row a:focus-visible,.roadmap-nudge-link:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:var(--radius-sm)}.page--lesson{max-width:720px}@media(min-width:900px){.page--lesson{max-width:1040px}}.lesson-notes,.lesson-summary,.lesson-content>.plan-start,.lesson-content>p{width:100%;max-width:688px;margin-left:auto;margin-right:auto}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.lesson-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-bottom:1px solid var(--line);background:var(--paper)}.lesson-tabs button{min-height:44px;padding:0 8px;border:none;border-bottom:3px solid transparent;background:none;color:var(--ink-2);font-weight:600;cursor:pointer}.lesson-tabs button[aria-current=step]{color:var(--green);border-bottom-color:var(--green)}.lesson-tabs button:disabled{color:var(--line-strong);cursor:not-allowed}.lesson-tabs button:focus-visible{outline:3px solid var(--blue);outline-offset:-3px}.lesson-notes{display:flex;flex-direction:column;gap:20px}.lesson-section{display:flex;flex-direction:column;gap:8px}.lesson-rule{margin:0;font-family:var(--font-display);font-size:22px;line-height:29px;font-weight:500}.lesson-why{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:6px}.lesson-analogy{margin:0;font-style:italic}.lesson-table-wrap{overflow-x:auto}.lesson-table{width:100%;border-collapse:separate;border-spacing:0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);font-size:14px}.lesson-table th,.lesson-table td{padding:9px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}.lesson-table tbody tr:last-child td{border-bottom:none}.lesson-table th{background:var(--paper-2);color:var(--ink-2);font-size:13px;font-weight:600}.lesson-table th:first-child{border-top-left-radius:var(--radius-md)}.lesson-table th:last-child{border-top-right-radius:var(--radius-md)}.lesson-board{margin:0;padding:12px;display:flex;flex-direction:column;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md)}.lesson-board .board{max-width:400px;align-self:center}.lesson-board figcaption{font-size:14px}.real-game{padding:12px 14px;display:flex;flex-direction:column;gap:4px;border-left:3px solid var(--amber);border-radius:var(--radius-md);background:var(--amber-soft);color:var(--amber-ink)}.real-game-label{margin:0;color:var(--amber);font-family:var(--font-sans);font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase}.real-game p{margin:0}.lesson-start{align-self:stretch}@media(min-width:600px){.lesson-start{align-self:flex-start}}.question-view{display:flex;flex-direction:column;gap:14px}.question-counter:focus:not(:focus-visible){outline:none}.question-counter:focus-visible{outline:3px solid var(--blue);outline-offset:2px}.question-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:16px}@media(min-width:900px){.question-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:28px}}.question-board{display:flex;flex-direction:column;gap:6px}.question-board .board{max-width:480px}.question-source{margin:0;font-size:13px}.question-side{min-width:0;display:flex;flex-direction:column;gap:12px}.question-intro,.question-prompt{margin:0}.question-prompt{font-weight:600}.result-buttons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.result-button{min-height:44px;padding:6px 8px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--card);color:var(--ink);font-weight:600;cursor:pointer}.result-button:hover{border-color:var(--green);color:var(--green)}.result-button:focus-visible,.reason-input:focus-visible,.send-button:focus-visible,.summary-option .link-button:focus-visible,.lesson-summary h2:focus-visible{outline:3px solid var(--blue);outline-offset:2px}.chat{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.bubble{max-width:88%;padding:9px 12px;border-radius:16px;overflow-wrap:anywhere}.bubble--you{align-self:flex-end;background:var(--green);color:var(--on-accent);border-bottom-right-radius:4px}.bubble--coach{align-self:flex-start;display:flex;align-items:flex-start;gap:10px;background:var(--card);border:1px solid var(--line);border-bottom-left-radius:4px}.bubble-avatar{width:24px;height:24px;flex-shrink:0;border-radius:50%;background:var(--green);color:var(--on-accent);display:grid;place-items:center;font-family:var(--font-display);font-size:13px;font-weight:600}.bubble-mono{font-family:var(--font-mono);font-weight:600}.reason{display:flex;flex-direction:column;gap:4px}.reason-row{display:flex;align-items:center;gap:8px}.reason-input{flex-grow:1;min-width:0;min-height:48px;padding:0 18px;border:1px solid var(--line-strong);border-radius:var(--radius-pill);background:var(--card);color:var(--ink);font:inherit}.send-button{width:48px;height:48px;flex-shrink:0;display:grid;place-items:center;border:none;border-radius:50%;background:var(--green);color:var(--on-accent);cursor:pointer}.send-button:disabled{opacity:.5;cursor:not-allowed}.question-next{align-self:flex-start}.lesson-summary{display:flex;flex-direction:column;gap:16px}.lesson-summary h2{margin:0;font-size:24px}.lesson-summary h2:focus:not(:focus-visible){outline:none}.summary-lines{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px}.summary-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}@media(max-width:599px){.summary-options{grid-template-columns:minmax(0,1fr)}}.summary-option{display:flex;flex-direction:column;align-items:stretch;gap:10px}.summary-option p{margin:0;font-size:14px}.summary-option .link-button{height:auto;min-height:48px;padding:10px 20px;text-align:center;overflow-wrap:anywhere}.summary-option .secondary-button.link-button:hover{color:var(--green-ink);border-color:var(--green-ink)}.promotion-chooser{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.promotion-chooser-label{margin:0;font-size:14px;font-weight:600}.promotion-choices{display:flex;gap:8px}.promotion-choice{width:48px;height:48px;padding:4px;display:grid;place-items:center;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--card);cursor:pointer}.promotion-choice img{width:100%;height:100%}.promotion-choice:hover{border-color:var(--green)}.promotion-choice:focus-visible{outline:3px solid var(--blue);outline-offset:2px}.result-button:disabled{opacity:.45;cursor:not-allowed}.result-button:disabled:hover{border-color:var(--line-strong);color:var(--ink)}.drill-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.drill-links .link-button{width:100%}.gate-reminder{width:100%;max-width:688px;margin-left:auto;margin-right:auto;display:flex;flex-direction:column;gap:12px}.gate-reminder h2{margin:0;font-size:22px;overflow-wrap:anywhere}.gate-reminder p{margin:0;overflow-wrap:anywhere}.gate-reminder h2:focus:not(:focus-visible){outline:none}.gate-reminder h2:focus-visible,.gate-reminder .link-button:focus-visible,.gate-reminder .secondary-button:focus-visible{outline:3px solid var(--blue);outline-offset:2px}.gate-reminder-actions>*{flex:1 1 100%;min-height:48px}@media(min-width:600px){.gate-reminder-actions>*{flex:0 1 auto}}.gate-reminder-actions .link-button{height:auto;padding:10px 20px;text-align:center;overflow-wrap:anywhere}.gate-reminder .secondary-button[aria-disabled=true]{opacity:.5;cursor:not-allowed}.drill-link-status{margin-left:8px}.gate-line{margin-top:12px}.roadmap-progress{margin:0;font-size:14px}.chip.lesson-gate,.final-test-row .chip{display:inline-flex;align-items:center;align-self:flex-start;min-height:0;margin-top:4px;padding:3px 10px;border:1px solid var(--line);border-radius:var(--radius-pill);background:var(--card);color:var(--ink-2);font-size:13px;line-height:1.3;white-space:nowrap}.chip.lesson-gate[data-gate=passed],.final-test-row .chip[data-gate=passed]{border-color:var(--green-soft);background:var(--green-soft);color:var(--green-ink);font-weight:600}.chip.lesson-gate[data-gate=locked],.final-test-row .chip[data-gate=locked]{border-color:var(--line);background:var(--paper-2);color:var(--ink-2)}.final-test-row .chip[data-gate=open]{border-color:var(--green);color:var(--green)}.final-test-row{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 12px}.final-test-row:has(.lesson-link:focus-visible){outline:3px solid var(--blue);outline-offset:2px}.final-test-main{min-width:0;flex:1 1 14rem;display:flex;flex-direction:column;gap:2px}.final-test-main .muted{font-size:13px}.final-test-row .chip{margin-top:0;align-self:center}.board{--sq-light: #a59477;--sq-dark: #674c3b;--hint: rgba(0, 0, 0, .3);--mark-last: rgba(155, 199, 0, .41);--mark-selected: rgba(20, 85, 30, .5);--mark-wrong: rgba(204, 51, 17, .5);--mark-good: rgba(31, 95, 168, .45);--mark-highlight: rgba(20, 85, 30, .5);--arrow: rgba(31, 95, 168, .8);position:relative;display:grid;grid-template-columns:repeat(8,minmax(0,1fr));grid-template-rows:repeat(8,minmax(0,1fr));aspect-ratio:1 / 1;width:100%;container-type:inline-size;user-select:none;-webkit-user-select:none;touch-action:manipulation}.board[data-theme=lichess]{--sq-light: #f0d9b5;--sq-dark: #b58863;--hint: rgba(20, 85, 30, .5)}.board .sq{position:relative;min-width:0;min-height:0;margin:0;padding:0;border:0;border-radius:0;font:inherit;background-color:var(--sq-dark);color:var(--sq-light)}.board .sq.light{background-color:var(--sq-light);color:var(--sq-dark)}.board[data-theme=wood] .sq.light{background-image:repeating-linear-gradient(8deg,rgba(255,255,255,.035) 0 2px,rgba(0,0,0,.03) 3px,transparent 7px)}.board[data-theme=wood] .sq.dark{background-image:repeating-linear-gradient(94deg,rgba(0,0,0,.07) 0 2px,rgba(255,255,255,.025) 3px,transparent 6px)}button.sq{cursor:pointer}button.sq:focus-visible{outline:3px solid #1f5fa8;outline-offset:-3px;z-index:1}.sq[data-mark]:before,.sq[data-highlight=true]:before{content:"";position:absolute;inset:0;pointer-events:none}.sq[data-highlight=true]:before{background:var(--mark-highlight)}.sq[data-mark=last]:before{background:var(--mark-last)}.sq[data-mark=selected]:before{background:var(--mark-selected)}.sq[data-mark=wrong]:before{background:var(--mark-wrong)}.sq[data-mark=good]:before{background:var(--mark-good)}.sq .coord{position:absolute;font-family:var(--font-sans, system-ui, sans-serif);font-weight:600;font-size:clamp(8px,2.6cqi,14px);line-height:1;pointer-events:none}.sq .coord.rank{left:4%;top:3%}.sq .coord.file{right:5%;bottom:3%}.sq .piece{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.sq .hint{position:absolute;pointer-events:none}.sq .hint[data-hint=dot]{left:36%;top:36%;width:28%;height:28%;border-radius:50%;background:var(--hint)}.sq .hint[data-hint=ring]{inset:0;border-radius:50%;box-shadow:inset 0 0 0 clamp(3px,1.1cqi,8px) var(--hint)}.sq .badge{position:absolute;right:-4%;top:-4%;width:38%;height:38%;z-index:2;display:grid;place-items:center;border-radius:50%;background:#b42318;color:#fff;font-weight:700;font-size:clamp(9px,3.2cqi,18px);box-shadow:0 1px 2px #00000059;pointer-events:none}.board-arrows{position:absolute;inset:0;width:100%;height:100%;z-index:3;pointer-events:none}.drill-page{max-width:720px;margin:0 auto;min-height:100dvh;padding:0 16px 32px;display:flex;flex-direction:column;gap:18px}.drill-topbar{min-height:56px;padding:12px 0;display:flex;align-items:flex-start;gap:10px;border-bottom:1px solid var(--line);flex-shrink:0}.drill-heading{flex-grow:1}.drill-heading h1{margin:0;font-size:20px}.drill-heading p{margin:2px 0 0;font-size:13px}.drill-clock-toggle[aria-expanded=true]{background:var(--green-soft);color:var(--green-ink);border-color:var(--green)}.drill-nav,.drill-clock-panel{display:none}.drill-clock-panel.open{display:block}.clock-chips .chip-row{display:flex;flex-wrap:wrap;gap:8px}.chip{min-height:44px;padding:0 14px;display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:var(--radius-pill);background:var(--card);color:var(--ink-2);font-size:14px}button.chip{cursor:pointer}.chip--checked{border-color:var(--green);background:var(--green-soft);color:var(--green-ink);font-weight:600}.chip--red-soft{background:var(--red-soft);border-color:var(--red-soft);color:var(--red)}.chip--blue-soft{background:var(--blue-soft);border-color:var(--blue-soft);color:var(--blue)}.clock-chips-hint{margin:8px 0 0;font-size:13px;color:var(--ink-2)}.stat-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat-tile{padding:10px 8px;display:flex;flex-direction:column;gap:4px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);text-align:center}.stat-label{font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-2)}.stat-value{font-family:var(--font-mono);font-size:18px;font-weight:600}.engine-strip{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;color:var(--ink-2)}.drill-board-wrap{width:100%}.board-placeholder{width:100%;aspect-ratio:1 / 1;display:grid;place-items:center;border:1.5px dashed var(--line-strong);border-radius:var(--radius-md);background:var(--paper-2);color:var(--ink-2);text-align:center;padding:16px}.player-strip{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px}.clock-tile{min-width:78px;min-height:44px;padding:6px 14px;display:grid;place-items:center;border-radius:var(--radius-sm);background:var(--ink);color:var(--paper);font-family:var(--font-mono);font-size:18px;font-weight:600}.clock-tile[data-low=true]{background:var(--red)}.drill-progress{display:flex;flex-direction:column;gap:6px}.progress-bar{height:8px;border-radius:var(--radius-pill);background:var(--line);overflow:hidden}.progress-bar-fill{height:100%;background:var(--green);border-radius:var(--radius-pill);transition:width .25s ease}@media(prefers-reduced-motion:reduce){.progress-bar-fill{transition:none}}.drill-caption{margin:0;font-size:13px}.drill-status{min-height:20px;margin:0;font-size:14px;color:var(--ink-2)}.before-you-move ol{margin:8px 0 0;padding-left:20px;display:flex;flex-direction:column;gap:8px}.move-list{display:flex;flex-direction:column;gap:6px}.move-list-text{margin:0;font-size:14px}.mono{font-family:var(--font-mono)}.fail-report{display:flex;flex-direction:column;gap:14px}.fail-report-header{padding:14px;border-radius:var(--radius-md);background:var(--red);color:#fff}.fail-report-header strong{font-family:var(--font-display);font-size:20px}.fail-report-header p{margin:4px 0 0;font-size:14px}.fail-report-body{display:flex;flex-direction:column;gap:12px}.fail-chips{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:8px}.fail-chips .chip{flex-direction:column;align-items:flex-start;justify-content:center;gap:2px;padding:8px 12px;border-radius:10px;font-size:12px}.fail-chips .chip strong{font-family:var(--font-mono);font-size:17px;font-weight:600;overflow-wrap:anywhere}.fail-why,.fail-checklist{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);padding:12px 14px}.fail-why h2,.fail-checklist h2{margin:0 0 8px;font-family:var(--font-display);font-size:16px}.fail-why ul,.fail-checklist ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}.fail-why li{font-size:14px}.rule-row{display:grid;grid-template-columns:20px 1fr;column-gap:8px;row-gap:2px;font-size:14px}.rule-mark{grid-column:1;text-align:center}.rule-mark--pass{color:var(--green)}.rule-mark--fail{color:var(--red);font-weight:700}.rule-label,.rule-note{grid-column:2}.rule-note--reason{color:var(--red);font-weight:600}.rule-note--same{color:var(--ink-2);font-style:italic}.real-game{margin:0;padding:10px 12px;border-left:3px solid var(--amber);border-radius:var(--radius-md);background:var(--amber-soft);color:var(--amber-ink);font-size:14px}.passed-card{display:flex;flex-direction:column;gap:8px;background:var(--green-soft);border-color:var(--green-soft)}.passed-card strong{font-family:var(--font-display);font-size:20px;color:var(--green-ink)}.passed-save{margin:0;color:var(--ink-2)}.side-nav{display:none;flex-direction:column;gap:14px}.side-nav-brand{display:flex;align-items:center;gap:8px;font-family:var(--font-display);font-weight:600}.side-nav-link{min-height:44px;display:flex;align-items:center;padding:0 10px;border-radius:var(--radius-sm);color:var(--ink-2);text-decoration:none}.side-nav-link--current{background:var(--green-soft);color:var(--green-ink);font-weight:600}@media(min-width:1024px){.side-nav{display:flex}.drill-page{max-width:1180px;display:grid;grid-template-columns:220px minmax(0,720px) 340px;grid-template-areas:"top top top" "nav engine clock" "nav board clockpanel" "nav playertext stats" "nav . progress" "nav . before" "nav . moves";column-gap:32px;row-gap:18px;align-items:start}.drill-topbar{grid-area:top}.drill-clock-toggle{display:none}.drill-nav{display:flex;grid-area:nav}.stat-tiles{grid-area:stats;grid-template-columns:repeat(3,minmax(0,1fr))}.engine-strip{grid-area:engine}.drill-board-wrap{grid-area:board;max-width:720px}.player-strip{display:contents}.player-strip-text{grid-area:playertext;align-self:center}.clock-tile{grid-area:clock;font-size:28px;min-height:72px}.drill-clock-panel{grid-area:clockpanel;display:block}.drill-progress{grid-area:progress}.before-you-move{grid-area:before}.move-list{grid-area:moves}.fail-report,.passed-card{grid-column:2;grid-row:2 / span 6;align-self:start}}.drill-prompt{margin:0;font-size:16px;font-weight:600;color:var(--ink)}.drill-page--answer .drill-prompt:focus-visible,.drill-page--answer .drill-status:focus-visible{outline:3px solid var(--blue);outline-offset:2px}@media(min-width:1024px){.drill-page.drill-page--answer{grid-template-areas:"top top top" "nav prompt clock" "nav board clockpanel" "nav answer stats" "nav playertext before" "nav caption before" "nav status before" "nav . before";grid-template-rows:auto auto auto auto auto auto auto 1fr}.drill-page--answer .drill-prompt{grid-area:prompt;align-self:end}.drill-page--answer .result-buttons,.drill-page--answer .promotion-chooser{grid-area:answer}.drill-page--answer>.drill-caption{grid-area:caption}.drill-page--answer>.drill-status{grid-area:status}}.drill-move-error{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px}.drill-move-error .error-text{margin:0}.drill-page>.drill-status:focus-visible,.drill-page--message .content>p[tabindex="-1"]:focus-visible{outline:3px solid var(--blue);outline-offset:2px}.drill-page--message .content{padding:0;gap:12px}.drill-page--message .content p{margin:0}.drill-page--message .secondary-button{align-self:flex-start}.drill-page--message .content>a{min-height:44px;align-self:flex-start;display:inline-flex;align-items:center;color:var(--green-ink);font-weight:600}@media(min-width:1024px){.drill-page.drill-page--message{max-width:720px;display:flex}}
