@font-face{font-family:Vazir;src:url("fonts/vazirmatn.woff2") format("woff2");font-style:normal;font-weight:100 900;font-display:swap}
:root{--paper:#f6f7f2;--ink:#202824;--muted:#59665d;--line:#d9ded4;--blue:#274cad;--blue-dark:#1e3882;--lime:#d5ef80;--white:#fff;--green:#315b46;font-family:Vazir,Tahoma,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}
body{margin:0;min-width:280px;min-height:100vh;display:flex;flex-direction:column}
button,input{font:inherit}
button,a{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
button{cursor:pointer;border:0;background:none;color:inherit}
a{color:inherit;text-decoration:none}
button:disabled{cursor:default;opacity:.38}
:focus-visible{outline:3px solid #c47c00;outline-offset:3px}
button:focus:not(:focus-visible),main:focus{outline:none}
[hidden]{display:none!important}
button svg,a svg,.title-icon svg,.label-icon svg{flex:none}
.wrap{width:min(1136px,calc(100% - 96px));margin-inline:auto}
html{--vb-header-height:78px;scroll-padding-block-start:calc(var(--vb-header-height) + env(safe-area-inset-top,0px) + 9px)}
.bar{position:sticky;inset-block-start:0;z-index:4;flex:none;padding-block-start:env(safe-area-inset-top,0px);background:#fff;border-bottom:1px solid var(--line)}
.navwrap{display:flex;align-items:center;gap:clamp(36px,6vw,90px);height:var(--vb-header-height)}
.brand{display:inline-flex;align-items:center;gap:10px;line-height:1}
.brand>span{font-size:26px;font-weight:850;letter-spacing:-1.7px;padding-top:3px}
.brand small{display:block;font:700 8px/1.6 Arial,sans-serif;letter-spacing:2.15px;margin-top:5px;color:var(--muted);text-align:center}
nav{display:flex;height:100%;align-items:stretch;gap:28px}
nav a{position:relative;display:flex;align-items:center;gap:8px;font-weight:550;font-size:14px;color:var(--muted);padding-inline:2px}
nav a.active{color:var(--blue);font-weight:750}
nav a.active:after{content:"";position:absolute;bottom:-1px;right:0;left:0;height:3px;border-radius:2px 2px 0 0;background:var(--blue)}
.language{display:flex;align-items:center;justify-content:center;gap:9px;direction:ltr;margin-inline-start:auto;height:32px;min-width:74px;border:1px solid var(--line);border-radius:20px;color:var(--muted);font-size:13px;font-weight:650;line-height:1}
.language span[lang=en]{font-family:Georgia,serif;font-style:italic;font-size:17px}
.lang-arrow{color:#7c877c;font:14px Arial}
.skip{position:fixed;z-index:10;top:-60px;right:12px;background:var(--ink);color:white;padding:10px;border-radius:5px}
.skip:focus{top:8px}
main{flex:1;padding-block-end:16px}
.intro{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:40px 0 26px}
.kicker{font-size:12px;font-weight:680;display:flex;align-items:center;gap:10px;color:var(--blue);margin-bottom:6px}
.kicker b{display:inline-flex;gap:2.5px;direction:ltr;transform:skew(-18deg)}
.kicker b i{width:3px;height:12px;background:var(--blue)}
.intro h1{font-size:clamp(36px,3.8vw,57px);font-weight:850;line-height:1.38;letter-spacing:-2.3px;margin:0}
.intro p{font-size:15px;line-height:1.9;color:var(--muted);margin:2px 0 0}
.edition{display:flex;align-items:center;gap:12px;color:#657265;margin-top:8px}
.edition-box{padding:5px 6px 4px;border:1.4px solid #80907f;border-radius:6px;font:italic 26px/1 Georgia,serif;letter-spacing:-3px}
.edition-box span{font-size:21px;margin-right:2px}
.edition b,.edition small{display:block;font:700 10px/1.6 Arial,sans-serif;letter-spacing:2px}
.edition small{font:9px/1.6 ui-monospace,monospace;letter-spacing:1px}
.study-grid{display:grid;grid-template-columns:minmax(0,1.98fr) minmax(260px,1fr);gap:24px;align-items:stretch}
.deck{min-width:0}
.postcard{background:var(--blue);position:relative;isolation:isolate;border:1px solid #254599;border-radius:19px;color:#fff;padding:19px 24px 0;box-shadow:0 5px 0 -2px #dce4f2,0 6px 0 -2px #a6b8d6}
.card-top,.card-bottom{display:flex;align-items:center}
.card-top{gap:10px;min-height:34px}
.card-tag{background:#ffffff15;border:1px solid #ffffff3b;border-radius:30px;display:inline-flex;align-items:center;gap:7px;padding:3px 11px;color:#fff;font-size:12px;font-weight:600}
.light-dot{background:var(--lime);border-radius:50%;width:7px;height:7px}
.card-lesson{font-size:12px;color:#ecf1ff}
.save-card{display:grid;place-items:center;border:1px solid #ffffff56;border-radius:10px;width:38px;height:38px;margin-inline-start:auto;color:#fff;position:relative}
.save-card:after{content:"";position:absolute;inset:-4px}
.save-card.marked{background:var(--lime);color:var(--blue-dark);border-color:var(--lime)}
.save-card.marked svg{fill:currentColor}
.card-body{display:flex;direction:ltr;align-items:center;justify-content:space-between;gap:4px;min-height:182px;position:relative;padding:16px 4px 22px}
.english{position:relative;z-index:1;min-width:0}
.english h2{font:500 clamp(50px,5.7vw,85px)/1.1 Georgia,'Times New Roman',serif;letter-spacing:-.055em;margin:0 0 4px}
.english h2.long{font-size:clamp(38px,4.3vw,64px)}
.ipa{font:17px/1.4 Georgia,'Times New Roman',serif;letter-spacing:.3px;color:#dce5ff}
.listen{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:12px;font-weight:650;color:#20351e;background:var(--lime);border-radius:30px;padding:5px 12px;min-height:34px;margin-top:13px;position:relative}
.listen:after{content:"";position:absolute;inset:-4px}
.listen.playing{background:#f4ffda}
.plane{width:41%;max-width:265px;min-width:0;object-fit:contain;pointer-events:none}
.card-bottom{border-top:1px dashed #ffffff62;min-height:54px;justify-content:space-between;gap:6px}
.card-bottom button{display:flex;align-items:center;gap:8px;color:#fff;min-height:44px;padding:0 2px;font-size:13px;font-weight:650}
.card-counter{color:#dbe4fc;font-size:12px;word-spacing:1px}
.card-counter b{color:#fff;font-weight:700}
.meaning{border-top:1px solid #ffffff35;padding:14px 0 18px;display:flex;align-items:baseline;gap:13px}
.meaning small{color:#dce5ff;flex:none}
.meaning strong{font-size:19px;font-weight:650;line-height:1.7}
.deck-controls{display:flex;align-items:center;justify-content:space-between;padding-top:17px;gap:10px}
.step-controls{display:flex;gap:7px;align-items:center}
.deck-controls button,.outline,.primary{border:1px solid #cdd4ca;background:#fff;min-height:42px;padding:7px 16px;font-weight:680;font-size:13px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.deck-controls .learned-btn{color:#354c3c}
.deck-controls .is-known{background:#e3efce;border-color:#b2ce98}
.deck-controls .prev{padding:7px;width:42px}
.deck-controls .next,.primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.progress{border:1px solid var(--line);background:#fff;border-radius:17px;padding:20px 23px 0;display:flex;flex-direction:column;min-width:0}
.progress-title,.title-group{display:flex;align-items:center;gap:10px}
.progress-title h2,.section-title h2{margin:0;font-size:20px;font-weight:780;letter-spacing:-.65px}
.label-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#edf2e4;color:#45553b}
.progress-main{display:flex;align-items:center;gap:17px;margin:23px 0}
.ring{position:relative;width:80px;height:80px;flex:none;display:grid;place-items:center}
.ring svg{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:7}
.ring .track{stroke:#eaf0e4}
.ring .arc{stroke:#728e40}
.ring>div{font-size:25px;font-weight:750;white-space:nowrap}
.ring small{font-size:14px;margin-right:1px}
.progress-main strong{font-size:23px;line-height:1.3;font-weight:750}
.progress-main strong small{font-size:15px;color:var(--muted);font-weight:550}
.progress-main p{font-size:13px;margin:4px 0 0;color:var(--muted)}
.current{border-top:1px solid #e5e9e1;padding:17px 0 20px}
.current>div:first-child{display:flex;align-items:center;justify-content:space-between;font-weight:680;font-size:13px}
.current small{font-size:12px;color:var(--muted);font-weight:450}
.segments{display:flex;gap:4px;margin-top:9px}
.segments i{flex:1;background:#e7ebe4;height:6px;border-radius:2px}
.segments i.here{outline:1px solid #8d9d87;outline-offset:-1px}
.segments i.done{background:#85a553}
.saved-shortcut{display:flex;align-items:center;gap:8px;margin:auto -23px 0;padding:11px 23px;border-top:1px solid #e5e9e1;border-radius:0 0 17px 17px;color:#44513f;background:#fafbf7;font-size:12px;font-weight:600}
.saved-shortcut b{margin-inline-start:auto;min-width:23px;border-radius:6px;text-align:center;background:#e9ede3;color:#4e5b45}
.library{margin-top:32px}
.section-title,.list-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px}
.section-title{margin-bottom:14px}
.title-icon{display:grid;place-items:center;color:var(--ink)}
.section-title h2{font-size:23px}
.section-title>a{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:650;color:var(--blue);min-height:40px}
.lesson-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}
.lesson-card{display:flex;align-items:center;text-align:right;gap:13px;min-width:0;padding:16px 15px;background:#fff;border:1px solid var(--line);border-radius:13px}
.lesson-card>svg{margin-inline-start:auto;color:#747f71}
.lesson-copy{display:flex;flex-direction:column;min-width:0}
.lesson-copy strong{font-size:18px;line-height:1.4;letter-spacing:-.4px}
.samples{font:13px/1.7 Georgia,'Times New Roman',serif;color:#546056;text-overflow:ellipsis;overflow:hidden;white-space:nowrap;text-align:right}
.lesson-meta{display:flex;align-items:center;gap:5px;font-size:10.5px;color:var(--muted);margin-top:4px}
.lesson-meta i{background:#a4afa0;border-radius:50%;width:3px;height:3px}
.lesson-meta em{color:var(--green);font-style:normal}
.cover{--cover:#3755ad;--type:#edf0ec;width:48px;height:65px;background:var(--cover);color:var(--type);border-radius:2px 4px 4px 2px;position:relative;direction:ltr;flex:none;overflow:hidden;box-shadow:0 2px 0 0 #d9d9c7,0 3px 0 0 var(--cover);transform:rotate(3deg)}
.cover-spine{position:absolute;inset:0 auto 0 0;width:6px;background:#0002;border-right:1px solid #fff4}
.cover-print{position:absolute;inset:5px 4px 6px 9px;overflow:hidden;text-align:left;border-top:1px solid #fff7;border-bottom:1px solid #fff7;line-height:1}
.cover-print>span{font:600 4px/1.2 Arial,sans-serif;letter-spacing:1.1px;display:block;margin-top:3px}
.cover-print b{font:700 22px/1.5 Vazir,Tahoma,sans-serif}
.cover-lines{position:absolute;bottom:-14px;left:0;width:49px;height:30px;transform:rotate(-26deg);border-radius:50%;border:1px solid currentColor;box-shadow:0 -3px 0 -1px var(--cover),0 -4px 0 0 currentColor,0 -7px 0 -1px var(--cover),0 -8px 0 0 currentColor,0 -11px 0 -1px var(--cover),0 -12px 0 0 currentColor;opacity:.65}
.tone-1{--cover:#44715e;--type:#e9edbc;transform:rotate(-3deg)}
.tone-2{--cover:#b66343;--type:#fff0d0}
.tone-3{--cover:#695d94;--type:#f1e7ff}
.tone-4{--cover:#4c777b;--type:#dcf3d8}
.tone-5{--cover:#856638;--type:#fff1c9}
.list-toolbar{margin:0 0 20px}
.search{display:flex;align-items:center;gap:9px;max-width:500px;width:100%;background:white;border:1px solid var(--line);border-radius:12px;color:var(--muted);padding:0 12px}
.search input{width:100%;padding:12px 0;border:0;color:var(--ink);background:transparent;font-size:14px;outline:0}
.search:focus-within{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue)}
.list-toolbar>span{white-space:nowrap;font-size:13px;color:var(--muted)}
.word-list{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.word-row{display:flex;align-items:center;text-align:right;gap:15px;padding:12px 18px;width:100%;min-height:62px}
.word-row+.word-row{border-top:1px solid var(--line)}
.word-label{display:flex;align-items:baseline;flex:1;gap:18px;min-width:0;flex-wrap:wrap}
.word-label strong{font:600 23px/1.3 Georgia,serif;color:var(--blue)}
.word-label span,.word-row small{font-size:13px;color:var(--muted)}
.word-row small{white-space:nowrap}
.empty{text-align:center;border:1px dashed #c5cfc1;background:#fff;border-radius:18px;padding:clamp(28px,6vw,72px) 16px}
.empty-icon{display:inline-grid;place-items:center;width:58px;height:58px;border-radius:18px;background:#eef3e4;color:#526b4a}
.empty h2{font-size:23px;margin:12px 0 4px}
.empty p{font-size:14px;color:var(--muted);margin:0 auto 20px;max-width:360px}
.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);z-index:5;background:#202c24;color:white;box-shadow:0 5px 20px #1c33152b;border-radius:10px;padding:10px 17px;font-size:13px;text-align:center;width:max-content;max-width:calc(100% - 32px);pointer-events:none}
@media(hover:hover){nav a:hover,.section-title a:hover{color:#142e80}.lesson-card:hover,.word-row:hover{background:#fafbf6;border-color:#a9b6a5}.listen:hover{background:#e7ff9e}.save-card:hover{background:#ffffff2a}.save-card.marked:hover{background:#e7ff9e}.deck-controls button:not(:disabled):hover,.outline:hover{border-color:#899780}.deck-controls .next:hover,.primary:hover{background:#38483b}}
@media(min-width:1350px){.intro{padding-top:49px;padding-bottom:29px}.card-body{min-height:205px}.library{margin-top:38px}}
@media(max-width:1000px){.wrap{width:calc(100% - 56px)}.study-grid{gap:16px;grid-template-columns:minmax(0,1.8fr) minmax(241px,1fr)}.postcard{padding-inline:19px}.lesson-card{gap:9px;padding:13px 10px}.lesson-grid{gap:9px}.progress{padding-inline:18px}.saved-shortcut{margin-inline:-18px;padding-inline:18px}}
@media(max-width:760px){.wrap{width:calc(100% - 36px)}html{--vb-header-height:66px}.navwrap{gap:28px}nav{gap:16px}nav a{gap:5px;font-size:13px}.edition{display:none}.intro{padding:26px 0 19px}.intro h1{font-size:39px}.intro p{font-size:14px}.study-grid{grid-template-columns:minmax(0,1fr)}.card-body{min-height:172px}.english h2{font-size:70px}.english h2.long{font-size:50px}.plane{max-width:240px}.progress{display:grid;grid-template-columns:1fr 1fr;align-items:center;padding:14px 18px;gap:8px 20px}.progress-title h2{font-size:17px}.label-icon{width:29px;height:29px}.progress-main{margin:0;grid-column:1;grid-row:2;gap:10px}.ring{width:50px;height:50px}.ring>div{font-size:17px}.ring small{font-size:10px}.progress-main strong{font-size:17px}.progress-main strong small,.progress-main p{font-size:12px}.progress-main p{margin:0}.current{grid-row:2;grid-column:2;border:0;padding:0}.saved-shortcut{grid-row:1;grid-column:2;border:0;border-radius:0;background:none;padding:0;margin:0;min-height:30px}.library{margin-top:22px}.lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.library .lesson-card:last-child:nth-child(odd){grid-column:1/-1}}
@media(max-width:600px){body{padding-bottom:calc(68px + env(safe-area-inset-bottom,0px))}html{--vb-header-height:61px;scroll-padding-block-end:calc(68px + env(safe-area-inset-bottom,0px))}.brand>img{width:34px;height:34px}.brand>span{font-size:22px}.brand small{font-size:6.5px;letter-spacing:1.85px;margin-top:3px}.language{min-width:64px;height:28px;font-size:12px}
nav{position:fixed;bottom:0;inset-inline:0;z-index:4;background:#fffffff7;display:flex;height:calc(62px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line);padding:4px 10px calc(4px + env(safe-area-inset-bottom,0px));gap:0;justify-content:space-around}
nav a{flex:1;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px}
nav a.active:after{bottom:auto;top:-5px;left:calc(50% - 16px);right:calc(50% - 16px);border-radius:0 0 2px 2px}
.kicker{font-size:11px;margin-bottom:4px}.intro{padding:21px 0 17px}.intro h1{font-size:35px;letter-spacing:-1.4px}.intro p{font-size:12.5px;margin-top:3px}
.postcard{padding:14px 16px 0;border-radius:16px}.card-top{min-height:32px}.save-card{width:34px;height:34px}.card-tag{font-size:11px;padding:3px 9px}.card-body{min-height:165px;padding:13px 0 17px}.english h2{font-size:clamp(47px,12vw,67px)}.english h2.long{font-size:clamp(31px,8.3vw,47px)}.plane{position:absolute;width:36%;right:-6px;bottom:18px;max-width:155px;z-index:-1}.english{max-width:100%}.ipa{font-size:16px}.listen{font-size:11px;min-height:32px;margin-top:11px}.card-bottom{min-height:49px}.card-bottom button{font-size:12px}.card-counter{font-size:11px}.deck-controls{padding-top:14px}.deck-controls button{min-height:42px}.deck-controls .prev{width:42px}.study-grid{gap:17px}.section-title h2{font-size:20px}.section-title>a{font-size:12px}.section-title{margin-bottom:8px}.lesson-grid{grid-template-columns:1fr;gap:8px}.lesson-card{padding:12px 15px;gap:15px}.cover{width:42px;height:56px}.cover-print b{font-size:18px}.lesson-copy strong{font-size:16px}.lesson-meta{margin-top:2px}.toast{bottom:calc(76px + env(safe-area-inset-bottom,0px))}.list-toolbar{gap:8px}.word-label{display:grid;gap:2px}.word-label strong{justify-self:start}.word-row{padding:10px 12px;gap:9px}.word-label span{font-size:12px}.meaning{display:block}.meaning small{display:block;margin-bottom:2px}.meaning strong{font-size:17px}}
@media(max-width:370px){.wrap{width:calc(100% - 26px)}.progress{padding-inline:12px;gap:6px 11px}.plane{width:30%}.english h2{font-size:44px}.progress-main{gap:5px}.saved-shortcut{gap:4px;font-size:11px}.section-title>a{gap:4px}.deck-controls button{padding-inline:12px}}
@media(prefers-reduced-motion:no-preference){.lesson-card,.listen,.deck-controls button,.save-card{transition:background-color .16s,border-color .16s}.meaning:not([hidden]){animation:reveal .18s ease-out}@keyframes reveal{from{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:translateY(0)}}}
.language{margin-inline-start:0;margin-left:0;margin-right:auto}
.completed{display:flex;align-items:center;gap:7px;margin:0 0 18px;color:var(--muted);font-size:12px}
.completed b{font-weight:600;margin-inline-start:auto;color:var(--ink)}
@media(max-width:760px){.completed{display:none}}
@media(max-width:600px){.wide-word .plane{width:22%;bottom:12px;opacity:.85}.saved-shortcut{white-space:nowrap}.intro p{max-width:39em}}


/* Full-width lookup fields share the notebook surface and focus treatment. */
:root{--vb-search-shadow:0 3px 8px -4px #263c3438,0 6px 20px -10px #263c3430}
html[data-appearance=dark]{--vb-search-shadow:0 3px 8px -4px #070b10a3,0 7px 22px -10px #06080caf}
.list-toolbar{display:grid;grid-template-columns:minmax(0,1fr);gap:7px}.list-toolbar>span{justify-self:end}
.list-toolbar .search,.plb .plb-search{width:100%;max-width:none;min-width:0;min-height:49px;border-radius:17px;padding-inline:15px;background:var(--white);border:1px solid var(--line);box-shadow:var(--vb-search-shadow)}
.list-toolbar .search input,.plb .plb-search input{min-width:0;font-size:16px}
html[data-appearance=dark] .list-toolbar .search input{background:transparent}
.list-toolbar .search:focus-within,.plb .plb-search:focus-within{outline:2px solid var(--green);outline-offset:2px}