/* Ziyokor — Beginner 1-oy · book design system */
@font-face{font-family:"Unbounded";font-weight:200 900;font-display:swap;src:url(fonts/unbounded-latin-wght-normal.woff2) format("woff2");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:"Unbounded";font-weight:200 900;font-display:swap;src:url(fonts/unbounded-latin-ext-wght-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,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:"Onest";font-weight:100 900;font-display:swap;src:url(fonts/onest-latin-wght-normal.woff2) format("woff2");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:"Onest";font-weight:100 900;font-display:swap;src:url(fonts/onest-latin-ext-wght-normal.woff2) format("woff2");unicode-range:U+0100-024F,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:"Literata";font-style:normal;font-weight:200 900;font-display:swap;src:url(fonts/literata-latin-wght-normal.woff2) format("woff2");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:"Literata";font-style:normal;font-weight:200 900;font-display:swap;src:url(fonts/literata-latin-ext-wght-normal.woff2) format("woff2");unicode-range:U+0100-024F,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:"Literata";font-style:italic;font-weight:200 900;font-display:swap;src:url(fonts/literata-latin-wght-italic.woff2) format("woff2");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:"Literata";font-style:italic;font-weight:200 900;font-display:swap;src:url(fonts/literata-latin-ext-wght-italic.woff2) format("woff2");unicode-range:U+0100-024F,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:"Noto IPA";font-weight:400;font-display:swap;src:url(fonts/noto-sans-latin-ext-400-normal.woff2) format("woff2");unicode-range:U+0250-02FF,U+0300-036F,U+1D00-1DBF}
@font-face{font-family:"Noto IPA";font-weight:400;font-display:swap;src:url(fonts/noto-sans-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF}

:root{
  --navy:#1d3e8f; --navy-2:#2b4a95; --navy-ink:#13295f;
  --ink:#1a2030; --muted:#5c6578; --faint:#8a93a6;
  --teal:#1f97a6; --teal-l:#e8f5f6; --teal-b:#bee3e7; --teal-d:#167684;
  --amber:#e3a23b; --amber-t:#9a6512; --cream:#fdf5e7;
  --red:#b7352c; --red-l:#fbeceb;
  --panel:#f1f5fb; --line:#dbe2ec; --line-2:#c8d3e3;
  --ok:#1f8a5b; --ok-l:#e5f5ed; --bad:#c2412d; --bad-l:#fdecea;
  --bg:#e9edf4; --paper:#ffffff;
  --head:"Unbounded","Onest",system-ui,sans-serif;
  --body:"Onest","Noto IPA",system-ui,sans-serif;
  --serif:"Literata",Georgia,serif;
  --ipa:"Noto IPA","Onest",sans-serif;
  --zk:1; /* text scale (A− / A+) */
  --sheet:1180px;
  font-size:calc(16px * var(--zk));
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:1rem;line-height:1.5;-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit;cursor:pointer}
input,textarea{font:inherit;color:inherit}
a{color:inherit}
b,strong{font-weight:700;color:var(--navy)}
.hl{color:var(--teal);font-weight:600}
.ipa{font-family:var(--ipa)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* patterns ------------------------------------------------ */
.band{height:30px;background-repeat:repeat-x;background-size:auto 100%;
 background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cpolygon points='10,0 54,0 64,10 64,54 54,64 10,64 0,54 0,10' fill='%231d3e8f'/%3E%3Cg fill='%23fff'%3E%3Crect x='14' y='14' width='36' height='36'/%3E%3Crect x='14' y='14' width='36' height='36' transform='rotate(45 32 32)'/%3E%3C/g%3E%3Cg fill='%231f97a6'%3E%3Crect x='16.5' y='16.5' width='31' height='31'/%3E%3Crect x='16.5' y='16.5' width='31' height='31' transform='rotate(45 32 32)'/%3E%3C/g%3E%3Ccircle cx='32' cy='32' r='9.5' fill='%23fff'/%3E%3Ccircle cx='32' cy='32' r='7.5' fill='%23e3a23b'/%3E%3Cg fill='%23e3a23b'%3E%3Crect x='-3' y='29' width='6' height='6'/%3E%3Crect x='61' y='29' width='6' height='6'/%3E%3Crect x='29.5' y='0' width='5' height='3.5'/%3E%3Crect x='29.5' y='60.5' width='5' height='3.5'/%3E%3C/g%3E%3C/svg%3E")}
.band.red{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cpolygon points='10,0 54,0 64,10 64,54 54,64 10,64 0,54 0,10' fill='%23b7352c'/%3E%3Cg fill='%23fff'%3E%3Crect x='14' y='14' width='36' height='36'/%3E%3Crect x='14' y='14' width='36' height='36' transform='rotate(45 32 32)'/%3E%3C/g%3E%3Cg fill='%23e3a23b'%3E%3Crect x='16.5' y='16.5' width='31' height='31'/%3E%3Crect x='16.5' y='16.5' width='31' height='31' transform='rotate(45 32 32)'/%3E%3C/g%3E%3Ccircle cx='32' cy='32' r='9.5' fill='%23fff'/%3E%3Ccircle cx='32' cy='32' r='7.5' fill='%231f97a6'/%3E%3Cg fill='%231f97a6'%3E%3Crect x='-3' y='29' width='6' height='6'/%3E%3Crect x='61' y='29' width='6' height='6'/%3E%3Crect x='29.5' y='0' width='5' height='3.5'/%3E%3Crect x='29.5' y='60.5' width='5' height='3.5'/%3E%3C/g%3E%3C/svg%3E")}
.pattern{background-color:var(--navy);background-size:120px 120px;
 background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cg fill='%23fff'%3E%3Crect x='30' y='30' width='40' height='40'/%3E%3Crect x='30' y='30' width='40' height='40' transform='rotate(45 50 50)'/%3E%3Crect x='-9' y='-9' width='18' height='18' transform='rotate(45 0 0)'/%3E%3Crect x='91' y='-9' width='18' height='18' transform='rotate(45 100 0)'/%3E%3Crect x='-9' y='91' width='18' height='18' transform='rotate(45 0 100)'/%3E%3Crect x='91' y='91' width='18' height='18' transform='rotate(45 100 100)'/%3E%3C/g%3E%3Cg fill='%231f97a6'%3E%3Crect x='33' y='33' width='34' height='34'/%3E%3Crect x='33' y='33' width='34' height='34' transform='rotate(45 50 50)'/%3E%3C/g%3E%3Ccircle cx='50' cy='50' r='10' fill='%23fff'/%3E%3Ccircle cx='50' cy='50' r='7.5' fill='%23e3a23b'/%3E%3Cg fill='%23e3a23b'%3E%3Ccircle cx='0' cy='50' r='4.5'/%3E%3Ccircle cx='100' cy='50' r='4.5'/%3E%3Ccircle cx='50' cy='0' r='4.5'/%3E%3Ccircle cx='50' cy='100' r='4.5'/%3E%3C/g%3E%3C/svg%3E")}

/* top bar -------------------------------------------------- */
.topbar{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line)}
.topbar-in{max-width:calc(var(--sheet) + 48px);margin:0 auto;padding:10px 24px;display:flex;align-items:center;gap:14px;min-height:60px}
.brand{font-family:var(--head);font-weight:800;font-size:.95rem;letter-spacing:.04em;color:var(--navy);text-decoration:none;display:flex;align-items:center;gap:10px;white-space:nowrap}
.brand small{display:block;font-family:var(--body);font-weight:500;font-size:.7rem;letter-spacing:0;color:var(--muted)}
.brand-mark{width:30px;height:30px;border-radius:8px;flex:none}
.crumbs{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;flex:1;padding:2px 0}
.crumbs::-webkit-scrollbar{display:none}
.chip-nav{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;font-size:.8rem;font-weight:600;color:var(--navy);white-space:nowrap;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.chip-nav:hover{border-color:var(--navy)}
.chip-nav.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.chip-nav.hw{color:var(--red)} .chip-nav.hw.on{background:var(--red);border-color:var(--red);color:#fff}
.chip-nav.rd{color:var(--teal-d)} .chip-nav.rd.on{background:var(--teal);border-color:var(--teal);color:#fff}
.tools{display:flex;gap:6px;align-items:center;margin-left:auto}
.tbtn{height:38px;min-width:38px;padding:0 10px;border-radius:10px;border:1px solid var(--line);background:#fff;display:inline-flex;align-items:center;justify-content:center;gap:6px;font-size:.8rem;font-weight:600;color:var(--navy)}
.tbtn:hover{border-color:var(--navy)}
.tbtn.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.tbtn svg{width:18px;height:18px}
.tbtn .lbl{display:none}
@media (min-width:1100px){.tbtn .lbl{display:inline}}

/* layout --------------------------------------------------- */
.wrap{max-width:calc(var(--sheet) + 48px);margin:0 auto;padding:24px 24px 140px}
.sheet{background:var(--paper);border-radius:18px;box-shadow:0 1px 3px rgba(20,35,80,.08);padding:36px 44px 40px;margin:0 0 24px;position:relative;content-visibility:auto;contain-intrinsic-size:auto 1400px}
.sheet-foot{display:flex;justify-content:space-between;margin-top:26px;padding-top:12px;border-top:1px solid var(--line);font-size:.72rem;color:var(--faint);letter-spacing:.06em;text-transform:uppercase;font-weight:600}
@media (max-width:700px){.wrap{padding:12px 10px 140px}.sheet{padding:22px 16px 26px;border-radius:14px}.topbar-in{padding:8px 12px}}

/* cover + mundarija --------------------------------------- */
.cover{display:grid;grid-template-columns:minmax(260px,420px) 1fr;gap:0;border-radius:22px;overflow:hidden;background:#fff;box-shadow:0 10px 40px rgba(20,35,80,.12);margin-bottom:28px}
.cover-art{position:relative;min-height:440px;color:#fff;display:flex;flex-direction:column}
.cover-top{background:var(--navy);padding:28px 30px 34px}
.cover-top .brand-l{font-family:var(--head);font-weight:800;letter-spacing:.06em;font-size:1rem}
.cover-top .brand-s{font-size:.75rem;opacity:.8}
.cover-top h1{font-family:var(--head);font-weight:800;font-size:2.1rem;line-height:1.08;margin:34px 0 10px}
.cover-top p{margin:0;font-size:.85rem;opacity:.85}
.level-pill{position:absolute;top:24px;right:24px;background:#fff;color:var(--navy);font-weight:700;font-size:.72rem;border-radius:999px;padding:4px 12px}
.cover-num{position:absolute;right:26px;top:118px;width:92px;height:92px;border-radius:50%;background:#fff;color:var(--navy);display:flex;flex-direction:column;align-items:center;justify-content:center;font-family:var(--head);font-weight:800;font-size:2.6rem;line-height:1;border:5px solid var(--amber)}
.cover-num small{font-family:var(--body);font-size:.68rem;font-weight:600;margin-top:2px}
.cover-pat{flex:1;min-height:180px}
.cover-info{padding:34px 40px}
.cover-info .kick{font-family:var(--head);font-size:.72rem;font-weight:700;letter-spacing:.12em;color:var(--teal);text-transform:uppercase}
.cover-info h2{font-family:var(--head);font-weight:800;color:var(--navy);font-size:2.2rem;margin:6px 0 4px}
.cover-info .sub{color:var(--muted);margin:0 0 18px}
.stats{display:flex;gap:22px;flex-wrap:wrap;margin:6px 0 18px}
.stat b{display:block;font-family:var(--head);font-size:1.6rem;color:var(--navy);line-height:1.1}
.stat span{font-size:.75rem;color:var(--muted)}
.cta{display:inline-flex;align-items:center;gap:10px;background:var(--navy);color:#fff;text-decoration:none;font-weight:700;border-radius:12px;padding:12px 18px;font-size:.95rem}
.cta.ghost{background:#fff;color:var(--navy);border:1px solid var(--line)}
.cta-row{display:flex;gap:10px;flex-wrap:wrap}
@media (max-width:820px){.cover{grid-template-columns:1fr}.cover-art{min-height:300px}}

.toc-head{display:flex;align-items:baseline;gap:14px;margin:4px 0 8px}
.toc-head h2{font-family:var(--head);font-weight:800;color:var(--navy);font-size:1.7rem;margin:0}
.toc-head span{color:var(--muted);font-size:.9rem}
.toc{list-style:none;margin:0;padding:0}
.toc li{border-bottom:1px solid var(--line)}
.toc a{display:grid;grid-template-columns:44px 132px 1fr auto;gap:18px;align-items:center;padding:14px 4px;text-decoration:none;color:inherit;border-radius:12px}
.toc a:hover{background:var(--panel)}
.toc .n{width:40px;height:40px;border-radius:10px;background:var(--navy);color:#fff;font-family:var(--head);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:1.05rem}
.toc .th{width:132px;height:62px;border-radius:10px;object-fit:cover;background:var(--panel)}
.toc .t{font-family:var(--head);font-weight:700;color:var(--navy);font-size:1rem;line-height:1.25}
.toc .s{color:var(--muted);font-size:.84rem;margin-top:3px}
.toc .s em{font-style:normal;color:var(--teal-d);font-weight:600}
.toc .side{display:flex;align-items:center;gap:12px}
.toc .rds{display:flex;gap:6px}
.toc .rds img{width:58px;height:40px;border-radius:7px;object-fit:cover}
.toc .pg{font-family:var(--head);font-weight:700;color:var(--navy);min-width:32px;text-align:right}
.ring{--p:0;width:40px;height:40px;border-radius:50%;background:conic-gradient(var(--teal) calc(var(--p)*1%),var(--line) 0);display:flex;align-items:center;justify-content:center;font-size:.62rem;font-weight:700;color:var(--teal-d)}
.ring::before{content:attr(data-v);width:32px;height:32px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center}
@media (max-width:820px){.toc a{grid-template-columns:40px 1fr auto}.toc .th,.toc .rds{display:none}}

/* lesson opener ------------------------------------------- */
.opener-photo{position:relative;border-radius:16px 16px 0 0;overflow:visible;margin:-8px -8px 0}
.opener-photo img{display:block;width:100%;aspect-ratio:1400/520;max-height:380px;object-fit:cover;border-radius:16px 16px 0 0}
.opener-photo .band{border-radius:0 0 4px 4px}
.badge-num{position:absolute;right:34px;bottom:-14px;width:118px;height:118px;border-radius:50%;background:var(--navy);color:#fff;border:5px solid var(--amber);box-shadow:0 0 0 4px #fff;display:flex;align-items:center;justify-content:center;font-family:var(--head);font-weight:800;font-size:3.1rem}
.kicker{font-weight:600;color:var(--teal);font-size:.85rem;margin:26px 0 4px}
.l-title{font-family:var(--head);font-weight:800;color:var(--navy);font-size:clamp(1.9rem,4.2vw,3rem);line-height:1.08;margin:0 0 10px;letter-spacing:-.01em}
.l-sub{color:var(--muted);font-size:1.05rem;margin:0 0 22px}
.rule-line{height:2px;background:var(--navy);border:0;margin:0 0 18px}
.vocab-h{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.vocab-h h3{font-family:var(--head);font-weight:800;color:var(--navy);margin:0;font-size:1.25rem}
.vocab-h .uz{color:var(--muted)}
.vocab-h .tag{margin-left:auto;color:var(--teal);font-weight:600;font-size:.85rem}
.vocab{display:grid;grid-template-columns:repeat(4,1fr);column-gap:26px;margin-top:10px}
.vw{border-bottom:1px solid var(--line);padding:10px 2px 9px;display:block;text-align:left;background:none;border-top:0;border-left:0;border-right:0;width:100%}
.vw .w{font-weight:700;font-size:1.02rem;color:var(--ink);display:flex;align-items:center;gap:6px}
.vw .p{font-family:var(--ipa);color:var(--muted);font-size:.86rem}
.vw .u{font-size:.9rem;color:var(--ink)}
@media (max-width:900px){.vocab{grid-template-columns:repeat(2,1fr)}}

/* block rail (Qoida / Misollar / Mashq) -------------------- */
.blk{display:grid;grid-template-columns:62px 1fr;gap:0 14px;position:relative}
.blk + .blk{margin-top:18px}
.rail{display:flex;flex-direction:column;align-items:center;position:relative}
.rail .ico{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--head);font-weight:700;font-size:1.05rem;flex:none}
.rail .ico svg{width:20px;height:20px}
.rail .lb{font-size:.68rem;color:var(--muted);margin-top:5px;font-weight:500}
.rail::after{content:"";flex:1;border-left:2px dotted var(--line-2);margin-top:8px;min-height:10px}
.blk.last .rail::after{display:none}
.ico.navy{background:var(--navy)} .ico.teal{background:var(--teal)} .ico.amber{background:var(--amber)} .ico.red{background:var(--red)}
.body{min-width:0;position:relative}

.sec-title{font-family:var(--head);font-weight:700;color:var(--navy);font-size:1.32rem;margin:4px 0 0;line-height:1.25}
.sec-uz{color:var(--muted);font-size:.92rem;margin:2px 0 10px}

/* rule content */
.bullets{list-style:none;margin:6px 0 10px;padding:0}
.bullets li{position:relative;padding-left:22px;margin:6px 0;font-size:1rem}
.bullets li::before{content:"";position:absolute;left:3px;top:.55em;width:8px;height:8px;background:var(--teal);transform:rotate(45deg);border-radius:1px}
.r-p{margin:8px 0}
.note{background:var(--cream);border-radius:10px;padding:11px 16px;margin:12px 0;font-size:.95rem}
.note b,.note strong{color:var(--amber-t)}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:8px;margin:12px 0}
.tile{border:1px solid var(--line);border-radius:8px;background:#fff;text-align:center;padding:8px 4px 6px;font:inherit}
.tile .bg{font-family:var(--head);font-weight:700;color:var(--navy);font-size:1.4rem;line-height:1.1;display:block}
.tile .sm{font-size:.75rem;color:var(--muted)}
.tile.hl{background:var(--teal-l);border-color:var(--teal-b)}
.tile.hl .bg{color:var(--teal)}
table.t{border-collapse:collapse;width:100%;margin:12px 0;font-size:.95rem;background:#fff}
table.t th{background:var(--navy);color:#fff;text-align:left;font-weight:600;padding:8px 12px;font-size:.88rem}
table.t th:first-child{border-radius:8px 0 0 0} table.t th:last-child{border-radius:0 8px 0 0}
table.t td{border-bottom:1px solid var(--line);padding:8px 12px;vertical-align:top}
table.t td.rh{font-weight:700;color:var(--navy);background:var(--panel)}
.tbl-scroll{overflow-x:auto}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin:12px 0}
.card{border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fff;position:relative;text-align:left;font:inherit}
.card .cn{position:absolute;top:8px;right:10px;font-family:var(--head);font-size:.75rem;color:var(--teal);font-weight:700}
.card .ce{font-weight:700;color:var(--navy);font-size:1.05rem}
.card .ci{font-family:var(--ipa);color:var(--muted);font-size:.85rem}
.card .cu{font-size:.9rem}
.card .cx{font-size:.78rem;color:var(--muted);margin-top:4px;border-top:1px dashed var(--line);padding-top:4px}
.card.spring{border-top:4px solid #7cc576}.card.summer{border-top:4px solid var(--amber)}.card.autumn{border-top:4px solid #d0743c}.card.winter{border-top:4px solid #6aa6d6}
.sounds{margin:12px 0}
.sg-l{font-size:.75rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin:10px 0 6px}
.sgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:8px}
.snd{border:1px solid var(--line);border-radius:10px;padding:8px 10px;background:#fff;text-align:left;font:inherit}
.snd .sy{font-family:var(--ipa);font-size:1.45rem;color:var(--navy);line-height:1.1}
.snd .sw{font-weight:600;font-size:.9rem}
.snd .sw i{font-style:normal;font-family:var(--ipa);color:var(--muted);font-weight:400}
.snd .su{font-size:.78rem;color:var(--muted)}
.snd.short{background:#f7f9fd}.snd.long{background:var(--teal-l);border-color:var(--teal-b)}.snd.diph{background:var(--cream)}
.formula{display:flex;flex-wrap:wrap;align-items:stretch;gap:8px;margin:12px 0}
.fchip{border-radius:10px;padding:8px 14px;color:#fff;min-width:84px;display:flex;flex-direction:column;justify-content:center}
.fchip .ft{font-weight:700;font-size:1rem;line-height:1.2}
.fchip .fs{font-size:.75rem;opacity:.85}
.fchip .tg{font-family:var(--head);font-weight:800;font-size:1.2rem;line-height:1}
.fchip.navy{background:var(--navy)}.fchip.teal{background:var(--teal)}.fchip.amber{background:var(--amber)}.fchip.red{background:var(--red)}.fchip.slate{background:#5c6578}
.fop{display:flex;align-items:center;font-family:var(--head);font-weight:700;color:var(--navy);font-size:1.3rem;padding:0 2px}
.pairs{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:6px 18px;margin:12px 0}
.pairs .ph{grid-column:1/-1;font-size:.78rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.pair{display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--line);padding:6px 0}
.pair .a{font-weight:700;color:var(--navy);min-width:52px}
.pair .ar{color:var(--teal)}

/* examples (Misollar) */
.exs{display:grid;grid-template-columns:1fr 1fr;gap:0 28px}
.exs.one{grid-template-columns:1fr}
.ex{padding:8px 0;border-bottom:1px dashed var(--line-2);display:flex;gap:8px;align-items:flex-start}
.ex .en{font-family:var(--serif);font-style:italic;font-size:1.12rem;line-height:1.4}
.ex .en .hl{color:var(--teal);font-weight:600}
.ex .uz{font-size:.84rem;color:var(--muted)}
@media (max-width:760px){.exs{grid-template-columns:1fr}}

/* audio buttons */
.say{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;border:1px solid var(--teal-b);background:var(--teal-l);color:var(--teal-d);flex:none;padding:0;margin-top:2px}
.say svg{width:13px;height:13px}
.say.on{background:var(--teal);color:#fff;border-color:var(--teal);animation:pulse 1s infinite}
.say-in{cursor:pointer}
.say-in.on{background:var(--teal-l)}
@keyframes pulse{50%{box-shadow:0 0 0 5px rgba(31,151,166,.18)}}
.noaudio .say{display:none}

/* exercises (Mashq panel) --------------------------------- */
.mashq{background:var(--panel);border-radius:14px;padding:18px 20px 14px;container-type:inline-size}
.mashq .mq-h{padding-right:40px}
.mashq + .mashq{margin-top:14px}
.mq-h{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.mq-id{font-family:var(--head);font-weight:700;color:var(--amber);font-size:1rem}
.mq-t{font-family:var(--head);font-weight:700;font-size:1.05rem;color:var(--ink)}
.mq-i{color:var(--ink);font-size:.95rem;margin:4px 0 12px}
.hw .mq-id{color:var(--red)}
.rd .mq-id{color:var(--teal)}
.bank{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 12px}
.bchip{border:1px solid var(--line-2);background:#fff;border-radius:7px;padding:5px 11px;font-size:.95rem;line-height:1.3;user-select:none;touch-action:manipulation}
.bchip:hover{border-color:var(--navy)}
.bchip.sel{background:var(--navy);color:#fff;border-color:var(--navy)}
.bchip.used{opacity:.4}
.bchip.ok{background:var(--ok-l);border-color:var(--ok);color:var(--ok)}
.bchip.bad{background:var(--bad-l);border-color:var(--bad);color:var(--bad)}
.items{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;gap:2px 30px}
.items.two{grid-template-columns:1fr 1fr}
@media (max-width:760px){.items.two{grid-template-columns:1fr}}
.it{display:grid;grid-template-columns:26px 1fr auto;gap:0 8px;padding:8px 0;align-items:start}
.it .no{font-weight:700;color:var(--navy);font-size:.85rem;text-align:right;padding-top:3px}
.it .q{font-size:1rem;line-height:1.9}
.gap{display:inline-block;border:0;border-bottom:2px solid var(--line-2);background:#fff;border-radius:6px 6px 0 0;padding:1px 8px;min-width:4.5em;font-size:1rem;line-height:1.5;outline:none;margin:0 2px;transition:border-color .15s}
.gap:focus{border-bottom-color:var(--navy);background:#fff;box-shadow:0 0 0 3px rgba(29,62,143,.12)}
.gap.ok,.line.ok{border-bottom-color:var(--ok);background:var(--ok-l);color:var(--ok)}
.gap.bad,.line.bad{border-bottom-color:var(--bad);background:var(--bad-l);color:var(--bad)}
.key{display:none;font-size:.85rem;font-weight:600;color:var(--ok);margin-left:4px;background:var(--ok-l);border-radius:5px;padding:0 6px}
.show-key .key{display:inline}
.line{display:block;width:100%;border:0;border-bottom:2px solid var(--line-2);background:#fff;border-radius:6px 6px 0 0;padding:6px 10px;outline:none;margin-top:4px}
.line:focus{border-bottom-color:var(--navy)}
textarea.line{resize:vertical;min-height:2.6em;line-height:1.4}
.keyline{display:none;font-size:.88rem;color:var(--ok);margin-top:4px;font-weight:600}
.keyline span{font-weight:400;color:var(--muted)}
.keyline.alt{display:block}
.flds{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:6px 12px;margin-top:4px}
.fld{display:flex;align-items:center;gap:6px}
.fld label{font-weight:700;color:var(--navy);font-size:.85rem;min-width:24px}
/* choice */
.opts{display:flex;flex-wrap:wrap;gap:4px 10px;margin-top:2px}
.opt{display:inline-flex;align-items:center;gap:7px;border:0;background:none;padding:3px 6px 3px 2px;border-radius:999px;font-size:.98rem;text-align:left;touch-action:manipulation}
.opt .l{width:22px;height:22px;border-radius:50%;border:1.6px solid var(--navy);color:var(--navy);font-size:.78rem;font-weight:700;display:inline-flex;align-items:center;justify-content:center;flex:none}
.opt:hover .l{background:var(--panel)}
.opt.sel .l{background:var(--navy);color:#fff}
.opt.sel{background:rgba(29,62,143,.08)}
.opt.ok{background:var(--ok-l);color:var(--ok)} .opt.ok .l{background:var(--ok);border-color:var(--ok);color:#fff}
.opt.bad{background:var(--bad-l);color:var(--bad)} .opt.bad .l{background:var(--bad);border-color:var(--bad);color:#fff}
.show-key .opt.ans{box-shadow:inset 0 0 0 2px var(--ok)}
.tog{display:inline-flex;border:1px solid var(--line-2);border-radius:9px;overflow:hidden;background:#fff;vertical-align:middle}
.tog button{border:0;background:none;padding:4px 12px;font-size:.88rem;font-weight:600;color:var(--navy)}
.tog button + button{border-left:1px solid var(--line-2)}
.tog button.sel{background:var(--navy);color:#fff}
.tog button.ok{background:var(--ok);color:#fff}.tog button.bad{background:var(--bad);color:#fff}
.show-key .tog button.ans{box-shadow:inset 0 0 0 2px var(--ok)}
.qrow{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:4px 12px}
.qrow .q{line-height:1.5}
@container (max-width:600px){.items.two{grid-template-columns:1fr}.match{grid-template-columns:1fr}}
/* classify */
.cols{display:grid;gap:12px}
.col{background:#fff;border:1px solid var(--line);border-radius:10px;min-height:120px;display:flex;flex-direction:column}
.col h5{margin:0;padding:9px 12px;font-family:var(--head);font-size:.85rem;color:var(--navy);border-bottom:2px solid var(--navy)}
.col .drop{flex:1;padding:10px;display:flex;flex-wrap:wrap;gap:6px;align-content:flex-start;min-height:70px;border-radius:0 0 10px 10px}
.col.target .drop{background:rgba(31,151,166,.08);outline:2px dashed var(--teal);outline-offset:-4px;cursor:pointer}
/* match */
.match{display:grid;grid-template-columns:1fr 1fr;gap:8px 26px}
.mrow{display:flex;align-items:center;gap:10px;padding:5px 0;border-bottom:1px solid var(--line)}
.mrow .no{font-weight:700;color:var(--navy);font-size:.85rem;min-width:20px;text-align:right}
.mslot{width:38px;height:30px;border-radius:7px;border:1.5px dashed var(--line-2);background:#fff;font-weight:700;color:var(--navy);flex:none}
.mrow.sel .mslot{border-color:var(--navy);border-style:solid;box-shadow:0 0 0 3px rgba(29,62,143,.15)}
.mslot.ok{background:var(--ok-l);border:1.5px solid var(--ok);color:var(--ok)} .mslot.bad{background:var(--bad-l);border:1.5px solid var(--bad);color:var(--bad)}
.mright{display:flex;align-items:center;gap:10px;padding:5px 8px;border-radius:8px;border:1px solid transparent;background:none;text-align:left;width:100%;font:inherit}
.mright .l{width:24px;height:24px;border-radius:50%;border:1.6px solid var(--navy);color:var(--navy);font-size:.8rem;font-weight:700;display:inline-flex;align-items:center;justify-content:center;flex:none}
.armed .mright:hover{border-color:var(--navy);background:#fff}
.mright.used{opacity:.55}
@media (max-width:640px){.match{grid-template-columns:1fr}}
/* order */
.built{min-height:40px;border-bottom:2px solid var(--line-2);display:flex;flex-wrap:wrap;gap:6px;padding:4px 2px 6px;background:#fff;border-radius:8px 8px 0 0}
.built.ok{border-bottom-color:var(--ok);background:var(--ok-l)}.built.bad{border-bottom-color:var(--bad);background:var(--bad-l)}
.pool{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
/* correct */
.cw{border:0;background:none;padding:1px 0;margin:0;border-radius:4px;font:inherit;line-height:1.8;touch-action:manipulation;color:inherit}
.c-hint{font-size:.8rem;color:var(--muted);margin:-6px 0 6px}
.cw:hover{background:rgba(29,62,143,.08)}
.cw.sel{text-decoration:line-through;text-decoration-color:var(--bad);text-decoration-thickness:2px;color:var(--bad);background:var(--bad-l)}
.cw.ok{text-decoration:line-through;color:var(--ok);background:var(--ok-l)}
.fixin{display:inline-flex;align-items:center;gap:6px;margin-left:6px}
.del{font-size:.75rem;border:1px solid var(--line-2);border-radius:6px;background:#fff;padding:2px 8px;color:var(--muted)}
.del.on{background:var(--bad);color:#fff;border-color:var(--bad)}
/* tick */
.ticks{display:flex;flex-wrap:wrap;gap:8px}
.tick{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line-2);border-radius:9px;background:#fff;padding:6px 12px;font:inherit}
.tick .bx{width:18px;height:18px;border:1.6px solid var(--navy);border-radius:4px;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:12px}
.tick.sel .bx{background:var(--navy)}
.tick.sel .bx::after{content:"✓"}
.tick.ok{border-color:var(--ok);background:var(--ok-l)}.tick.bad{border-color:var(--bad);background:var(--bad-l)}
/* footer */
.mq-f{display:flex;align-items:center;gap:8px;margin-top:12px;padding-top:10px;border-top:1px solid var(--line);flex-wrap:wrap}
.score{font-weight:700;color:var(--navy);font-size:.88rem;margin-right:auto;display:flex;align-items:center;gap:8px}
.score .bar{width:64px;height:6px;border-radius:9px;background:var(--line);overflow:hidden}
.score .bar i{display:block;height:100%;background:var(--ok);width:0;transition:width .3s}
.score.full{color:var(--ok)}
.fb{height:36px;padding:0 12px;border-radius:9px;border:1px solid var(--line-2);background:#fff;font-weight:700;font-size:.85rem;color:var(--navy)}
.fb:hover{border-color:var(--navy)}
.fb.main{background:var(--navy);border-color:var(--navy);color:#fff}
.fb.on{background:var(--ok-l);border-color:var(--ok);color:var(--ok)}
.fb.open{color:var(--muted);font-weight:500;border:0;background:none;cursor:default}

/* focus (expand) button */
.xp{position:absolute;top:8px;right:8px;width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--navy);display:flex;align-items:center;justify-content:center;opacity:.55;transition:opacity .15s;z-index:3}
.xp svg{width:16px;height:16px}
.fbk:hover > .xp,.xp:focus{opacity:1}
.fbk{position:relative}
.fbk.rx > .xp{right:auto;left:-60px;top:66px}
.vocab-h{padding-right:44px}
.fbk.vx > .xp{top:0;right:0}
@media (hover:none){.xp{opacity:.9}}

/* section = spread on wide screens */
.spread{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:1200px){
  .board .spread.has-ex{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:0 34px;align-items:start}
  .board .spread.has-ex > .col-r{position:sticky;top:84px}
}

/* homework + reading headers */
.hw-head{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin:22px 0 6px}
.hw-head h2{font-family:var(--head);font-weight:800;color:var(--red);font-size:2.2rem;margin:0}
.hw-head span{color:var(--muted)}
.hw-line{height:2px;background:var(--red);border:0;margin:6px 0 22px}
.rd-photo img{display:block;width:100%;aspect-ratio:1376/560;max-height:420px;object-fit:cover;border-radius:16px 16px 0 0}
.rd-kick{font-weight:600;color:var(--teal);font-size:.9rem;margin:22px 0 2px}
.rd-title{font-family:var(--head);font-weight:800;color:var(--navy);font-size:clamp(1.7rem,3.6vw,2.5rem);margin:0 0 16px}
.listen{display:flex;flex-wrap:wrap;gap:7px;margin-top:6px}
.lchip{display:inline-flex;align-items:center;gap:6px;background:var(--teal-l);border:1px solid var(--teal-b);border-radius:8px;padding:5px 11px;font-size:.98rem;color:var(--ink);font:inherit}
.lchip.on{background:var(--teal);color:#fff}
.passage{margin:6px 0 0}
.para{display:grid;grid-template-columns:40px 1fr;gap:12px;margin:0 0 12px;align-items:start;border-radius:10px;padding:4px 6px 4px 0;transition:background .2s}
.para .pn{width:30px;height:30px;border-radius:50%;background:var(--teal-l);color:var(--teal-d);font-family:var(--head);font-size:.82rem;font-weight:700;display:flex;align-items:center;justify-content:center;border:0;margin-left:6px}
.para .pt{font-family:var(--serif);font-size:1.18rem;line-height:1.65}
.para.on{background:var(--teal-l)}
.para.on .pn{background:var(--teal);color:#fff}
.play-all{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--teal-b);background:var(--teal-l);color:var(--teal-d);border-radius:10px;padding:7px 14px;font-weight:700;font-size:.85rem;margin-bottom:12px}
.play-all.on{background:var(--teal);color:#fff}
.play-all svg{width:15px;height:15px}

/* bottom dock --------------------------------------------- */
.dock{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:45;display:flex;background:#fff;border-radius:14px;box-shadow:0 8px 30px rgba(20,35,80,.18);border:1px solid var(--line);overflow:hidden;max-width:calc(100vw - 20px)}
.dock a,.dock button{display:flex;align-items:center;gap:8px;padding:12px 16px;text-decoration:none;font-weight:700;font-size:.88rem;color:var(--navy);border:0;background:none;white-space:nowrap}
.dock > * + *{border-left:1px solid var(--line)}
.dock .cur{background:var(--navy);color:#fff;max-width:300px;overflow:hidden;text-overflow:ellipsis}
.dock .cur .n{background:var(--amber);color:#fff;border-radius:6px;padding:1px 7px;font-family:var(--head)}
.dock .dis{opacity:.35;pointer-events:none}
.dock svg{width:16px;height:16px;flex:none}
@media (max-width:640px){.dock .cur span.t{display:none}.dock a,.dock button{padding:12px 12px}}

/* ink tools ----------------------------------------------- */
#ink{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;pointer-events:none;touch-action:none;display:none}
body.has-ink #ink,body.inking #ink{display:block}
body.inking #ink{pointer-events:auto;cursor:crosshair}
body.erasing #ink{cursor:cell}
.palette{position:fixed;left:14px;top:50%;transform:translateY(-50%);z-index:70;background:#fff;border-radius:14px;box-shadow:0 8px 30px rgba(20,35,80,.18);border:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden;width:64px}
.palette button{border:0;background:none;height:50px;display:flex;align-items:center;justify-content:center;position:relative}
.palette button + button{border-top:1px solid var(--line)}
.palette .dot{width:22px;height:22px;border-radius:50%}
.palette .on{background:var(--panel)}
.palette .on::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:0 4px 4px 0;background:var(--navy)}
.palette svg{width:22px;height:22px;color:var(--navy)}
.palette .mk{width:26px;height:12px;border-radius:3px;background:rgba(227,162,59,.85)}
.palette .tip{position:absolute;left:70px;background:var(--ink);color:#fff;font-size:.72rem;padding:3px 8px;border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s}
.palette button:hover .tip{opacity:1}
.palette .confirm{background:var(--bad-l)}
.palette.hidden{display:none}
@media (max-width:640px){.palette{left:6px;width:52px}.palette button{height:44px}}

/* focus overlay ------------------------------------------- */
.focus{position:fixed;top:0;right:0;bottom:0;left:0;z-index:55;background:#1d2433;display:flex;flex-direction:column}
.focus-top{display:flex;align-items:center;gap:12px;padding:12px 18px;color:#c9d2e3;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;font-weight:700}
.focus-top .grow{flex:1;text-align:center}
.focus-top .close{background:var(--navy);color:#fff;border:0;border-radius:10px;padding:10px 16px;font-weight:700;letter-spacing:.06em;display:flex;align-items:center;gap:8px}
.focus-stage{flex:1;position:relative;overflow:auto;display:flex;align-items:flex-start;justify-content:center;padding:10px 96px 30px}
.focus-card{background:#fff;border-radius:16px;padding:26px 30px;box-shadow:0 20px 60px rgba(0,0,0,.35);width:min(1100px,100%);margin:auto 0;transform-origin:top center}
.focus-card .xp{display:none}
.fnav{position:fixed;top:50%;transform:translateY(-50%);width:66px;height:150px;border:0;border-radius:14px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;z-index:2}
.fnav svg{width:30px;height:30px}
.fnav.prev{left:14px}.fnav.next{right:14px}
.fnav:disabled{opacity:.25}
@media (max-width:700px){.focus-stage{padding:8px 8px 80px}.fnav{top:auto;bottom:10px;transform:none;height:56px;width:80px}}

/* overlays: flashcards, timer ----------------------------- */
.modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:80;background:rgba(19,27,48,.72);display:flex;align-items:center;justify-content:center;padding:20px}
.mbox{background:#fff;border-radius:20px;width:min(860px,100%);max-height:calc(100vh - 40px);overflow:auto;box-shadow:0 30px 80px rgba(0,0,0,.4)}
.mbox-h{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line)}
.mbox-h h3{margin:0;font-family:var(--head);color:var(--navy);font-size:1.1rem;flex:1}
.x{border:0;background:var(--panel);width:38px;height:38px;border-radius:10px;font-size:1.2rem;color:var(--navy)}
.fc-stage{padding:26px 30px 10px;display:flex;flex-direction:column;align-items:center}
.flash{width:min(560px,100%);aspect-ratio:3/2;perspective:1200px;cursor:pointer;border:0;background:none;padding:0}
.flash-in{position:relative;width:100%;height:100%;transition:transform .5s;transform-style:preserve-3d}
.flash.flip .flash-in{transform:rotateY(180deg)}
.face{position:absolute;top:0;right:0;bottom:0;left:0;backface-visibility:hidden;border-radius:18px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:20px}
.face.front{background:var(--navy);color:#fff}
.face.front .band{position:absolute;left:0;right:0;bottom:0;height:22px;border-radius:0 0 18px 18px}
.face.back{background:var(--teal-l);border:2px solid var(--teal-b);transform:rotateY(180deg);color:var(--ink)}
.face .fw{font-family:var(--head);font-weight:800;font-size:2.6rem;text-align:center;line-height:1.1}
.face .fi{font-family:var(--ipa);font-size:1.2rem;opacity:.85}
.face .fu{font-size:1.6rem;font-weight:700;color:var(--navy);text-align:center}
.face .hint{font-size:.75rem;opacity:.6;position:absolute;top:14px}
.fc-bar{display:flex;align-items:center;gap:10px;justify-content:center;padding:16px 20px 22px;flex-wrap:wrap}
.fc-count{font-family:var(--head);color:var(--navy);font-weight:700;min-width:80px;text-align:center}
.timer-box{padding:30px;text-align:center}
.tdisp{font-family:var(--head);font-weight:800;color:var(--navy);font-size:clamp(4rem,14vw,9rem);line-height:1;font-variant-numeric:tabular-nums}
.tdisp.end{color:var(--red);animation:blink 1s infinite}
@keyframes blink{50%{opacity:.35}}
.tpres{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:18px 0}
.tmini{position:fixed;right:18px;bottom:84px;z-index:46;background:var(--navy);color:#fff;border-radius:12px;padding:8px 14px;font-family:var(--head);font-weight:700;font-size:1.3rem;border:0;box-shadow:0 8px 24px rgba(20,35,80,.25)}
.tmini.end{background:var(--red)}

/* teacher-mode banner */
.tbanner{background:var(--ok-l);color:var(--ok);font-weight:700;font-size:.8rem;text-align:center;padding:6px}

/* toast */
.toast{position:fixed;left:50%;top:78px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:9px 16px;border-radius:10px;font-size:.85rem;z-index:90;opacity:0;transition:opacity .2s;pointer-events:none}
.toast.on{opacity:1}

/* print */
@media print{.topbar,.dock,.palette,.xp,.mq-f,#ink,.tmini{display:none!important}body{background:#fff}.sheet{box-shadow:none;break-inside:avoid-page}}

/* palette collapse + small-screen tweaks */
.palette .ptog{height:44px;background:var(--navy);color:#fff}
.palette .ptog svg{color:#fff;width:20px;height:20px}
.palette.collapsed > :not(.ptog){display:none}
.palette.collapsed{width:52px;border-radius:12px}
.palette.collapsed .ptog{height:52px}
.focus .fnav.prev{left:92px}
@media (max-width:900px){
  .crumbs{display:none}
  .tools .tbtn.wide-only{display:none}
  .blk{grid-template-columns:44px 1fr;gap:0 10px}
  .rail .ico{width:34px;height:34px}
  .fbk.rx > .xp{left:-46px;top:58px}
  .palette{top:auto;bottom:84px;transform:none}
  .rd .sheet-pad{padding-left:0!important}
  .badge-num{width:84px;height:84px;font-size:2.2rem;right:18px;bottom:-10px}
}
@media (max-width:700px){.focus .fnav.prev{left:10px}}

/* answers shown inside the boxes + per-item tools */
.gap.rev,.line.rev{background:var(--ok-l)!important;color:var(--ok)!important;border-bottom-color:var(--ok)!important;font-weight:700}
.opt.rev{background:var(--ok-l);color:var(--ok)} .opt.rev .l{background:var(--ok);border-color:var(--ok);color:#fff}
.tog button.rev{background:var(--ok);color:#fff}
.mslot.rev{background:var(--ok-l);border:1.5px solid var(--ok);color:var(--ok)}
.bchip.rev{background:var(--ok-l);border-color:var(--ok);color:var(--ok)}
.built.rev{border-bottom-color:var(--ok);background:var(--ok-l)}
.cw.rev{text-decoration:line-through;text-decoration-color:var(--ok);text-decoration-thickness:2px;color:var(--ok);background:var(--ok-l)}
.tick.rev{border-color:var(--ok);background:var(--ok-l)} .tick.rev .bx{background:var(--ok);border-color:var(--ok)} .tick.rev .bx::after{content:"✓"}
.opt.bad-none .l,.tog button.bad-none{box-shadow:0 0 0 2px var(--bad)}
.itools{display:inline-flex;gap:4px;align-items:flex-start;padding-top:2px;opacity:.55;transition:opacity .15s}
.it:hover .itools,.mrow:hover .itools,.itools:focus-within{opacity:1}
@media (hover:none){.itools{opacity:.9}}
.ib{width:28px;height:28px;border-radius:50%;border:1.5px solid var(--line-2);background:#fff;color:var(--navy);display:inline-flex;align-items:center;justify-content:center;padding:0;flex:none}
.ib svg{width:15px;height:15px}
.ib:hover{border-color:var(--navy)}
.ib.eye.on{background:var(--ok);border-color:var(--ok);color:#fff}
.ib.chk.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.ib.chk.bad{background:var(--bad);border-color:var(--bad);color:#fff}
.mrow .itools{margin-left:4px}

button.tile{cursor:pointer;transition:transform .1s,box-shadow .15s}
button.tile:hover{border-color:var(--navy);box-shadow:0 2px 8px rgba(29,62,143,.12)}
button.tile:active{transform:scale(.96)}
button.tile.on{background:var(--teal);border-color:var(--teal)} button.tile.on .bg,button.tile.on .sm{color:#fff}

/* =====================================================================
   BOOK MODE — one clean column, matched to the printed pages
   ===================================================================== */
:root{font-size:clamp(16px, calc(9px + .62vw), 23px);--sheet:50em}
body{background:#fff}
.wrap{max-width:calc(var(--sheet) + 48px);padding:28px 24px 160px}
.sheet{background:none;box-shadow:none;border-radius:0;padding:0;margin:0 0 3.2em;content-visibility:auto;contain-intrinsic-size:auto 1800px}
.sheet-foot{display:none}
/* top bar: quiet */
.topbar{border-bottom:1px solid #eef1f6}
.topbar-in{max-width:none;padding:8px 20px;min-height:56px;gap:18px}
.brand{font-size:.85rem}
.brand small{font-size:.7rem}
.crumbs{flex:1;overflow:visible}
.secmenu{position:relative}
.sm-btn{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:10px;padding:7px 12px;font-weight:600;font-size:.85rem;color:var(--navy);max-width:46vw}
.sm-btn .cur-sec{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sm-btn .car{width:16px;height:16px;display:inline-flex;flex:none}
.sm-list{display:none;position:absolute;top:calc(100% + 8px);left:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 50px rgba(20,35,80,.16);padding:8px;min-width:340px;max-height:70vh;overflow:auto;z-index:50}
.secmenu.open .sm-list{display:block}
.sm-list .chip-nav{display:flex;gap:12px;align-items:center;border:0;border-radius:9px;padding:9px 10px;font-weight:500;font-size:.88rem;color:var(--ink);white-space:normal;background:none}
.sm-list .chip-nav .k{width:26px;height:26px;border-radius:7px;background:var(--panel);color:var(--navy);font-family:var(--head);font-size:.72rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none}
.sm-list .chip-nav.hw .k{background:var(--red-l);color:var(--red)}.sm-list .chip-nav.rd .k{background:var(--teal-l);color:var(--teal-d)}
.sm-list .chip-nav:hover{background:var(--panel)}
.sm-list .chip-nav.on{background:var(--panel);font-weight:700;color:var(--navy)}
.sm-list .chip-nav.on .k{background:var(--navy);color:#fff}
.tbtn{border-color:transparent;background:none;min-width:36px;height:36px;color:#4a5570}
.tbtn:hover{background:var(--panel);border-color:transparent}
.tbtn .lbl{display:none!important}
.tbtn.on{background:var(--ok-l);color:var(--ok);border-color:transparent}

/* lesson opener, as on the book page */
.opener-photo{margin:0}
.opener-photo img{border-radius:18px 18px 0 0;aspect-ratio:1400/560;max-height:none}
.opener-photo .band{height:2.1em;border-radius:0}
.badge-num{width:5.6em;height:5.6em;font-size:1rem;right:1.6em;bottom:-.6em;border-width:.28em;box-shadow:none}
.badge-num{font-size:2.9rem;width:2.05em;height:2.05em;border-width:5px}
.kicker{font-size:.85rem;margin:1.6em 0 .2em}
.l-title{font-size:2.9rem;margin:0 0 .25em;letter-spacing:-.005em}
.l-sub{font-size:1rem;margin:0 0 1.3em}
.rule-line{height:2px;margin:0 0 1em}
.vocab-h h3{font-size:1.15rem}
.vocab-h .uz{font-size:.9rem}
.vocab-h .tag{font-size:.78rem}
.vocab{column-gap:1.6em;margin-top:.6em}
.vw{padding:.55em 0 .5em;cursor:default}
.vw.say-in{cursor:pointer}
.vw .w{font-size:.95rem}
.vw .p{font-size:.8rem}
.vw .u{font-size:.85rem}
.vw.on{background:var(--teal-l)}

/* rail: icon + label + dotted line */
.blk{grid-template-columns:3.4em 1fr;gap:0 1.4em}
.blk + .blk{margin-top:1.6em}
.rail .ico{width:2.35em;height:2.35em;border-radius:.6em;font-size:1rem}
.rail .ico svg{width:1.1em;height:1.1em}
.rail .lb{font-size:.68rem;margin-top:.45em}
.rail::after{border-left:1.5px dotted #c3cbd9;margin-top:.55em}
.sec-title{font-size:1.32rem;margin-top:.1em}
.sec-uz{font-size:.88rem;margin:.15em 0 .6em}
.bullets li{font-size:1rem;margin:.45em 0;padding-left:1.4em}
.bullets li::before{width:.5em;height:.5em;top:.5em;left:.15em}

/* formula chips: white outlined, amber operators */
.formula{gap:.5em;margin:.9em 0}
.fchip{border-radius:.55em;padding:.45em .9em;min-width:0}
.fchip.white{background:#fff;color:var(--ink);border:1.5px solid #d3dbe8}
.fchip .ft{font-size:.95rem;font-weight:700}
.fop{color:var(--amber);font-size:1.15rem;padding:0 .05em}
.sg-l{font-size:.72rem;letter-spacing:0;text-transform:none;color:var(--muted);font-weight:600}

/* labelled chip rows (Alohida / a drop of …) */
.crows{display:flex;flex-direction:column;gap:.45em;margin:.9em 0}
.crow{display:grid;grid-template-columns:minmax(9em,28%) 1fr;gap:.6em 1em;align-items:center;border-radius:.7em;padding:.7em 1em;background:var(--panel)}
.crow.t1{background:var(--teal-l)}.crow.t2{background:var(--cream)}.crow.t3{background:#fcecea}
.crow .cll{font-family:var(--head);font-weight:700;color:var(--navy);font-size:.92rem;line-height:1.2}
.crow.t1 .cll{color:var(--teal-d)}.crow.t2 .cll{color:var(--amber-t)}.crow.t3 .cll{color:var(--red)}
.crow .cll b{color:inherit}
.crow .cls{font-size:.78rem;color:var(--muted);margin-top:.15em}
.crow .cc{display:flex;flex-wrap:wrap;gap:.4em}
.crow .cc.txt{font-size:.92rem}
.wchip{background:#fff;border:1px solid #d3dbe8;border-radius:.45em;padding:.15em .6em;font-size:.88rem}
.wchip b{color:var(--navy)}

/* pairs: chips in a light panel */
.ph{display:flex;gap:.5em;align-items:center;font-size:.75rem;font-weight:700;color:var(--navy);margin:.9em 0 .4em;text-transform:none;letter-spacing:0}
.ph .ar,.pchip .ar{color:var(--teal);font-weight:400}
.ph .b{color:var(--teal-d)}
.ppanel{background:var(--panel);border-radius:.8em;padding:.75em;display:flex;flex-wrap:wrap;gap:.45em;margin-bottom:.9em}
.pchip{background:#fff;border:1px solid #d3dbe8;border-radius:.45em;padding:.2em .65em;font-size:.9rem;display:inline-flex;gap:.45em;align-items:center}
.pchip .b{color:var(--teal-d);font-weight:700}
.pchip b{color:inherit}

/* tables */
table.t{font-size:.9rem;border-radius:.6em;overflow:hidden}
table.t th{font-size:.82rem;padding:.6em .9em}
table.t th:first-child,table.t th:last-child{border-radius:0}
table.t td{padding:.6em .9em}
table.t td.rh{background:none;color:var(--navy)}
.note{font-size:.92rem;border-radius:.7em;padding:.75em 1em}

/* examples: one per line, sentence is the play button */
.exs,.exs.one{grid-template-columns:1fr}
.exs .ex{padding:.6em 0;border-bottom:1px dashed #cdd6e4;display:flex;justify-content:space-between;gap:1em;align-items:flex-start;border-radius:.4em}
.exs .ex:last-child{border-bottom:0}
.exs .ex.playable{cursor:pointer}
.exs .ex.on{background:var(--teal-l)}
.exs .ex .en{font-size:1.12rem}
.exs .ex .uz{font-size:.8rem;margin-top:.1em}
.exs .spk{width:1.6em;height:1.6em;flex:none;color:#b5c0d2;display:inline-flex;align-items:center;justify-content:center;margin-top:.2em;transition:color .15s}
.exs .spk svg{width:1em;height:1em}
.exs .ex:hover .spk,.exs .ex.on .spk{color:var(--teal)}

/* Mashq panel */
.mashq{border-radius:1em;padding:1.15em 1.3em 1em}
.mq-id{font-size:.95rem}
.mq-t{font-size:1rem}
.mq-i{font-size:.9rem;margin:.2em 0 .9em}
.it{padding:.45em 0}
.it .no{font-size:.8rem}
.it .q{font-size:.95rem}
.bchip{font-size:.9rem}
.opt{font-size:.92rem}
.match{gap:.2em 2em}
.mrow{border-bottom:1px solid #e3e8f0}
.mright .l{background:var(--navy);color:#fff;border-color:var(--navy)}
/* quiet controls: footer, expand, per-item tools */
.mq-f{border-top:0;padding-top:.4em;margin-top:.6em}
.fb{height:2.1em;font-size:.8rem;border-color:transparent;background:none;color:var(--muted)}
.fb:hover{background:#fff;border-color:var(--line-2);color:var(--navy)}
.fb.main{background:var(--navy);color:#fff;border-color:var(--navy)}
.fb.on{background:var(--ok-l);color:var(--ok)}
.score{font-size:.8rem;color:var(--muted)}
.score .bar{display:none}
.xp{opacity:0;border-color:transparent;background:none;top:.3em;right:.3em}
.fbk.rx > .xp{left:-3.6em;top:4.2em}
.fbk:hover > .xp{opacity:.6}.xp:hover{opacity:1!important;background:#fff;border-color:var(--line)}
.itools{opacity:0}
.it:hover .itools,.mrow:hover .itools,.itools:focus-within,.itools:has(.on),.itools:has(.ok),.itools:has(.bad){opacity:1}
@media (hover:none){.xp{opacity:.35}.itools{opacity:.45}}
.ib{width:1.6em;height:1.6em;border-color:transparent;background:none;color:#9aa6bb}
.ib:hover{border-color:var(--line-2);background:#fff;color:var(--navy)}

/* homework + readings */
.hw-head h2{font-size:2.2rem}
.hw-head span{font-size:.9rem}
.rd-title{font-size:2.2rem}
.rd .sheet-pad{padding-left:4.8em!important}
.lchip{font-size:.9rem}
.para .pt{font-size:1.12rem}
/* chrome */
.dock{bottom:14px;border-radius:12px;box-shadow:0 6px 24px rgba(20,35,80,.12)}
.dock a,.dock button{padding:9px 14px;font-size:.8rem}
.palette{top:auto;bottom:16px;left:16px;transform:none}
.palette.collapsed{width:46px}.palette.collapsed .ptog{height:46px}
@media (max-width:900px){.blk{grid-template-columns:2.6em 1fr;gap:0 .8em}.vocab{grid-template-columns:repeat(2,1fr)}.crow{grid-template-columns:1fr}.rd .sheet-pad{padding-left:0!important}.sm-list{min-width:280px}}

/* page with visible edges on a soft background */
body{background:#e6eaf1}
.topbar{background:#fff}
main.wrap.board{max-width:calc(var(--sheet) + 7em);margin:1.6em auto 0;background:#fff;border-radius:20px 20px 0 0;box-shadow:0 0 0 1px rgba(20,35,80,.06),0 10px 40px rgba(20,35,80,.10);padding:2.4em 3.4em 9em}
@media (max-width:900px){main.wrap.board{margin:0;border-radius:0;padding:1.2em 1em 8em;box-shadow:none}}

/* one page per topic: each sheet is its own paper with visible edges */
main.wrap.board{background:none;box-shadow:none;border-radius:0;padding:1.6em 0 9em;max-width:calc(var(--sheet) + 7em);margin:0 auto}
main.wrap.board > .sheet{background:#fff;border-radius:20px;box-shadow:0 0 0 1px rgba(20,35,80,.06),0 8px 32px rgba(20,35,80,.09);padding:2.6em 3.4em 2.8em;margin:0 0 2em}
main.wrap.board > .sheet#top{padding-top:2.2em}
main.wrap.board > .sheet .opener-photo img,main.wrap.board > .sheet .rd-photo img{border-radius:14px 14px 0 0}
@media (max-width:900px){main.wrap.board{padding:.8em .5em 8em}main.wrap.board > .sheet{padding:1.4em 1em 1.6em;border-radius:14px;margin-bottom:1em}}
/* tappable word chips */
.say-chip{cursor:pointer;transition:background .15s,border-color .15s}
.say-chip:hover{border-color:var(--teal);background:var(--teal-l)}
.say-chip.on{background:var(--teal);border-color:var(--teal);color:#fff}
.say-chip.on b,.say-chip.on .b,.say-chip.on .ar{color:#fff}
/* home (cover + Mundarija) in the same page style */
main.wrap:not(.board){max-width:calc(var(--sheet) + 7em);padding:1.6em 0 6em}
main.wrap:not(.board) > .sheet{background:#fff;border-radius:20px;box-shadow:0 0 0 1px rgba(20,35,80,.06),0 8px 32px rgba(20,35,80,.09);padding:2.4em 3em;content-visibility:visible}
main.wrap:not(.board) > .cover{border-radius:20px;box-shadow:0 0 0 1px rgba(20,35,80,.06),0 8px 32px rgba(20,35,80,.09);margin-bottom:2em}
@media (max-width:900px){main.wrap:not(.board){padding:.8em .5em 4em}main.wrap:not(.board) > .sheet{padding:1.4em 1em}}
/* per-item check / show-answer: always visible */
.itools,.it .itools,.mrow .itools{opacity:1!important}
.ib{border:1.5px solid var(--line-2);background:#fff;color:var(--navy)}
.ib:hover{border-color:var(--navy)}
/* tappable words inside tables and chip-row labels */
.say-w{cursor:pointer;border-radius:6px;padding:0 .12em;margin:0 -.12em;text-decoration:underline dotted rgba(31,151,166,.55);text-decoration-thickness:1.5px;text-underline-offset:.22em;transition:background .12s,color .12s}
.say-w:hover{background:var(--teal-l);color:var(--navy)}
.say-w.on{background:var(--teal);color:#fff;text-decoration:none}
.cll.say-chip{cursor:pointer;display:inline-block;border-radius:8px;padding:0 .2em;margin:0 -.2em;border:0}
.cll.say-chip:hover{background:rgba(31,151,166,.12)}
.cll.say-chip.on{background:var(--teal);color:#fff}
.cll.say-chip.on *{color:#fff}

/* month theme: teal (Beginner 2-oy book) */
body.t-teal .band{height:30px;background-repeat:repeat-x;background-size:auto 100%;
 background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cpolygon points='10,0 54,0 64,10 64,54 54,64 10,64 0,54 0,10' fill='%230e6d79'/%3E%3Cg fill='%23fff'%3E%3Crect x='14' y='14' width='36' height='36'/%3E%3Crect x='14' y='14' width='36' height='36' transform='rotate(45 32 32)'/%3E%3C/g%3E%3Cg fill='%231f97a6'%3E%3Crect x='16.5' y='16.5' width='31' height='31'/%3E%3Crect x='16.5' y='16.5' width='31' height='31' transform='rotate(45 32 32)'/%3E%3C/g%3E%3Ccircle cx='32' cy='32' r='9.5' fill='%23fff'/%3E%3Ccircle cx='32' cy='32' r='7.5' fill='%23e3a23b'/%3E%3Cg fill='%23e3a23b'%3E%3Crect x='-3' y='29' width='6' height='6'/%3E%3Crect x='61' y='29' width='6' height='6'/%3E%3Crect x='29.5' y='0' width='5' height='3.5'/%3E%3Crect x='29.5' y='60.5' width='5' height='3.5'/%3E%3C/g%3E%3C/svg%3E")}
body.t-teal .gap:focus{box-shadow:0 0 0 3px rgba(14,109,121,.14)}
body.t-teal .opt.sel,body.t-teal .cw:hover{background:rgba(14,109,121,.08)}

/* timeline diagrams */
.tline{background:var(--panel);border-radius:14px;padding:.6em 1.2em .3em;margin:.9em 0}
.tline svg{display:block;width:100%;max-width:640px;margin:0 auto;height:auto}

/* focus mode: arrows never cover the slide */
.focus .fnav.prev{left:14px}
.focus-stage{padding-left:100px;padding-right:100px}
@media (max-width:700px){.focus-stage{padding:8px 8px 80px}}

/* timer: iPhone-style wheels */
.timer-box{padding:18px 26px 22px}
.picker{position:relative;display:flex;align-items:center;justify-content:center;gap:6px;height:320px;user-select:none}
.pick-band{position:absolute;left:8%;right:8%;top:50%;height:64px;transform:translateY(-50%);border-radius:14px;background:var(--panel);border:1px solid var(--line);pointer-events:none}
.wheel{position:relative;width:150px;height:320px}
.wheel-list{position:relative;height:320px;overflow-y:scroll;scroll-snap-type:y mandatory;padding:128px 0;scrollbar-width:none;
  -webkit-mask-image:linear-gradient(transparent,#000 30%,#000 70%,transparent);mask-image:linear-gradient(transparent,#000 30%,#000 70%,transparent)}
.wheel-list::-webkit-scrollbar{display:none}
.wheel-it{height:64px;line-height:64px;text-align:center;scroll-snap-align:center;font-family:var(--head);font-weight:700;font-size:2.1rem;color:#9aa6bb;font-variant-numeric:tabular-nums;cursor:pointer;transition:color .12s,transform .12s}
.wheel-it.on{color:var(--navy);transform:scale(1.18)}
.wheel-lbl{position:absolute;right:-4px;top:50%;transform:translateY(-50%);font-size:.85rem;font-weight:700;color:var(--muted);pointer-events:none}
.pick-colon{font-family:var(--head);font-weight:800;font-size:2.4rem;color:var(--navy);position:relative;top:-3px}
.tstart{height:auto;display:inline-flex;align-items:center;justify-content:center;line-height:1;font-size:1.05rem;padding:14px 38px}
/* timer: full screen */
.tfull{position:fixed;top:0;right:0;bottom:0;left:0;z-index:95;background:#14203f;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3vh}
.tf-k{font-family:var(--head);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:clamp(.9rem,1.6vw,1.3rem);color:#9fb2d8}
.tf-digits{font-family:var(--head);font-weight:800;font-size:min(22vw,50vh);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.tf-bar{width:min(80vw,1100px);height:12px;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden}
.tf-bar i{display:block;height:100%;background:var(--amber);border-radius:99px;transition:width .25s linear}
.tf-row{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.tf-btn{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:14px;padding:14px 24px;font-weight:700;font-size:clamp(.95rem,1.4vw,1.25rem)}
.tf-btn:hover{background:rgba(255,255,255,.18)}
.tf-btn.stop{background:var(--red);border-color:var(--red)}
.tf-btn:disabled{opacity:.35}
.tfull.paused .tf-digits{opacity:.55}
.tfull.end{background:#7a1f19}
.tfull.end .tf-digits{animation:blink 1s infinite}

/* appendix (irregular verbs) */
.apx .band{margin:-.6em 0 1.2em;border-radius:6px}
.apx-k{font-family:var(--head);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.8rem;color:var(--amber-t)}
.apx-h{font-family:var(--head);font-weight:800;color:var(--navy);font-size:2.2rem;margin:.1em 0 .1em}
.apx-sub{color:var(--muted);margin:0 0 1em}
.apx-q{width:100%;max-width:420px;border:1.5px solid var(--line-2);border-radius:12px;padding:.65em 1em;margin:0 0 1em;font-size:1rem;background:#fff}
.apx-q:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(29,62,143,.12)}
.apx-t td{padding:.45em .8em;vertical-align:middle}
.apx-n{color:var(--faint);font-size:.85em;width:2.5em}
.apx-v{font-weight:700;color:var(--navy)}
.apx-uz{color:var(--muted);font-size:.92em}
.apx-all{width:2.6em;text-align:right}
.toc .apx-th{display:flex;align-items:center;justify-content:center;font-family:var(--head);font-weight:800;font-size:1.4rem;color:#fff;background:var(--navy)}

/* month 3: Listen-and-repeat sentences */
.lsent{columns:2 22em;column-gap:2.4em;margin:.8em 0 0;padding-left:1.4em;font-size:.95rem}
.lsent li{break-inside:avoid;margin:0 0 .35em;padding:.15em .4em;border-radius:8px}
.lsent li b,.lsent li strong{color:var(--teal-d)}
.lsent .say-line{cursor:pointer}
.lsent .say-line:hover{background:var(--teal-l)}
.lsent .say-line.on{background:var(--teal);color:#fff}
.lsent .say-line.on b,.lsent .say-line.on strong{color:#fff}
.lsent .spk{display:inline-flex;width:.85em;height:.85em;margin-left:.4em;color:var(--teal-d);opacity:.5;vertical-align:-.05em}

/* contraction cards (I’m = I am) */
.cards.contr{display:grid;grid-template-columns:repeat(5,auto);gap:8px}
@media (max-width:760px){.cards.contr{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}}
.cards.contr .card{cursor:pointer;padding:20px 22px 10px!important;min-width:0}
.cards.contr .ce button{position:absolute;top:3px;right:3px;transform:scale(.7)}
.cards.contr .card{text-align:center;border-top:3px solid var(--navy);padding:12px 10px 10px}
.cards.contr .ce{font-family:var(--head);font-weight:800;font-size:clamp(1.05rem,1.6vw,1.25rem);display:flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap}
.cards.contr .card:hover{background:var(--panel)}
.cards.contr .cu{font-size:.8rem;color:var(--muted);margin-top:2px}
/* cover v2 — light watercolour cover (new month-1 book) */
.cover-art.v2{background:#f8f5f2 center bottom/cover no-repeat;color:var(--navy);min-height:520px;padding:26px 30px}
.cover-art.v2 .cv-logo{width:120px;height:auto;display:block}
.cover-art.v2 .level-pill{border:1.5px solid var(--navy);top:28px}
.cover-art.v2 .cv-text{margin:18px 0 0 auto;width:64%}
.cover-art.v2 .cv-k{font-family:var(--head);font-weight:700;font-size:.68rem;letter-spacing:.1em;color:var(--amber)}
.cover-art.v2 h1{font-family:var(--head);font-weight:800;font-size:clamp(1.45rem,2.1vw,1.6rem);line-height:1.06;margin:8px 0 8px;color:var(--navy)}
.cover-art.v2 p{margin:0;font-size:.82rem;color:var(--muted)}
.cover-art.v2 .cover-num{top:auto;bottom:96px;right:30px;background:var(--navy);color:#fff;border-color:var(--amber)}
@media (max-width:820px){.cover-art.v2{min-height:460px}}

/* ---- syllabus: contents by session ---- */
.syl-note{background:var(--panel);border-radius:10px;padding:10px 14px;font-size:.84rem;color:var(--muted);margin:4px 0 10px}
.syl-note b{color:var(--navy)}
.toc.bys > li.srow{display:grid;grid-template-columns:78px 1fr;gap:8px;align-items:stretch}
.toc .ss{display:flex;flex-direction:column;align-items:center;justify-content:center;border-right:2px solid var(--line);padding:10px 4px;margin:8px 0}
.toc .ss b{font-family:var(--head);font-weight:800;color:var(--teal-d);font-size:1.3rem;line-height:1}
.toc .ss small{font-size:.58rem;color:var(--muted);text-transform:uppercase;letter-spacing:.07em;margin-top:5px}
.toc .sl{min-width:0}
.toc .combo .sl{border-left:3px solid var(--teal);padding-left:6px;margin:8px 0}
.toc .combo .ss{border-right-color:var(--teal)}
.toc .combo .tl + .tl{border-top:1px dashed var(--line)}
.toc .combo-tag{font-size:.7rem;font-weight:700;color:var(--teal-d);text-transform:uppercase;letter-spacing:.07em;padding:6px 4px 0}
.toc .pg{display:flex;flex-direction:column;align-items:flex-end;line-height:1.1}
.toc .pg small{font-family:var(--body);font-weight:600;font-size:.6rem;color:var(--muted);white-space:nowrap;margin-top:3px}
.toc .xl{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px;margin:8px 0;border-radius:12px;text-decoration:none;color:inherit;background:var(--panel)}
.toc .sx.review .xl{background:var(--cream)}
.toc a.xl:hover{filter:brightness(.97)}
.toc .sx.exam .xl,.toc .sx.test .xl{background:#fff;border:2px dashed var(--line-2)}
.toc .xk{display:inline-block;font-family:var(--head);font-weight:700;font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;padding:3px 10px;border-radius:999px;background:var(--amber);color:#fff;margin-bottom:6px}
.toc .sx.exam .xk{background:var(--navy)} .toc .sx.test .xk{background:var(--teal-d)}
.toc .xl .t{font-family:var(--head);font-weight:700;color:var(--navy);font-size:1rem}
.toc .xl .s{color:var(--muted);font-size:.84rem;margin-top:2px}
.toc .xl .go{display:inline-flex;align-items:center;gap:4px;font-weight:700;color:var(--amber-t);white-space:nowrap}
.toc .xl .go .i{width:16px;height:16px}
@media (max-width:820px){.toc.bys > li.srow{grid-template-columns:52px 1fr}.toc .ss b{font-size:1.05rem}.toc .ss small{font-size:.5rem}}
/* ---- review page ---- */
.rv-h{font-family:var(--head);font-weight:700;color:var(--navy);font-size:1.05rem;margin:26px 0 8px}
.rv-list,.rv-weak{list-style:none;margin:0;padding:0}
.rv-list li,.rv-weak li{border-bottom:1px solid var(--line)}
.rv-list a{display:grid;grid-template-columns:40px 1fr auto auto;gap:14px;align-items:center;padding:10px 4px;text-decoration:none;color:inherit;border-radius:10px}
.rv-list a:hover,.rv-weak a:hover{background:var(--panel)}
.rv-list .n{width:36px;height:36px;border-radius:9px;background:var(--navy);color:#fff;font-family:var(--head);font-weight:700;display:flex;align-items:center;justify-content:center}
.rv-list .t{font-family:var(--head);font-weight:700;color:var(--navy);font-size:.95rem}
.rv-list .go{display:inline-flex;align-items:center;gap:4px;font-weight:700;color:var(--teal-d);font-size:.85rem;min-width:120px;justify-content:flex-end}
.rv-list .go .i,.rv-months .i{width:16px;height:16px}
.rv-weak a{display:grid;grid-template-columns:80px 1fr auto;gap:12px;padding:9px 4px;text-decoration:none;color:inherit;border-radius:8px}
.rv-weak .sc{font-weight:700;color:var(--bad)}
.rv-empty{color:var(--muted);background:var(--panel);border-radius:10px;padding:12px 14px}
.rv-months{display:flex;gap:10px;flex-wrap:wrap}
.rv .apx-h{font-size:clamp(1.5rem,3vw,2.1rem);line-height:1.15}

/* matching: both columns on one grid so rows line up */
.match.mgrid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);column-gap:2em;row-gap:0;align-items:stretch}
.match.mgrid .mrow{min-height:52px}
.match.mgrid .mcell{display:flex;align-items:center;border-bottom:1px solid #e3e8f0;min-height:52px}
.match.mgrid .mempty{border-bottom-color:transparent}
.match.mgrid .mright{padding:6px 8px}
@media (max-width:700px){.match.mgrid{grid-template-columns:1fr}.match.mgrid > .mrow{order:var(--o)}.match.mgrid > .mcell{order:calc(1000 + var(--o));border-bottom:0;min-height:0}.match.mgrid > .mcell:first-of-type{margin-top:10px}.match.mgrid .mempty{display:none}}

/* ---- whiteboard ---- */
.wboard{position:fixed;top:0;right:0;bottom:0;left:0;z-index:85;background:#fff;background-image:radial-gradient(circle,#d9e0ec 1.1px,transparent 1.3px);background-size:32px 32px}
.bcanvas{position:absolute;top:0;right:0;bottom:0;left:0;touch-action:none;cursor:crosshair}
.wboard.erasing .bcanvas{cursor:cell}
.btools{position:absolute;top:14px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:2px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 30px rgba(20,35,80,.18);padding:5px}
.btools button,.bpager button{border:0;background:none;width:48px;height:48px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--navy);cursor:pointer;position:relative}
.btools button:hover,.bpager button:hover{background:var(--panel)}
.btools .on{background:var(--panel);box-shadow:inset 0 -3px 0 var(--navy)}
.btools svg,.bpager svg{width:22px;height:22px}
.btools .dot{width:22px;height:22px;border-radius:50%}
.btools .mk{width:26px;height:12px;border-radius:3px;background:rgba(227,162,59,.85)}
.btools .sz{width:22px;height:3px;border-radius:3px;background:var(--ink)}
.btools .bsize[data-s="2"] .sz{height:6px}.btools .bsize[data-s="3"] .sz{height:11px}
.btools .confirm{background:var(--bad-l)}
.btools .bclose{margin-left:6px;border-left:1px solid var(--line);border-radius:0 10px 10px 0}
.bpager{position:absolute;right:18px;bottom:18px;display:flex;align-items:center;gap:2px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 30px rgba(20,35,80,.18);padding:5px}
.bpager button:disabled{opacity:.3;cursor:default;background:none}
.bcount{font-family:var(--head);font-weight:700;color:var(--navy);min-width:64px;text-align:center;font-size:1rem}
.bpager .badd{background:var(--navy);color:#fff;margin-left:6px}
.bpager .badd:hover{background:var(--navy-2)}
body.boarding{overflow:hidden}
body.boarding .palette,body.boarding .dock,body.boarding .tmini{visibility:hidden}
@media (max-width:640px){.btools{top:8px;padding:3px}.btools button{width:38px;height:40px}.bpager{right:8px;bottom:8px}.bpager button{width:42px;height:42px}}
/* keep the cover title clear of the month badge on wide boards */
.cover-art:not(.v2) .cover-top h1{max-width:calc(100% - 96px)}