/* دفتر الإنكليزي — Koteba Software Solutions */
@font-face{font-family:"Lora";src:url("../fonts/Lora.woff") format("woff");font-weight:400 700;font-style:normal;font-display:swap}

:root{
  --paper:#fbf6ec;
  --paper-2:#f5eddd;
  --card:#fffdf8;
  --ink:#2a2118;
  --muted:#6b5a47;
  --line:#d9ccb6;
  --line-soft:#ebe1cf;
  --track:#efe5d3;
  --accent:#b4502a;
  --accent-ink:#ffffff;
  --accent-soft:#f6e3d8;
  --green:#3d6b4a;
  --green-soft:#e3efe4;
  --red:#a1321e;
  --red-soft:#f8e1dc;
  --sticky:#fff3c9;
  --sticky-line:#ecd98f;
  --blue:#2f5d8a;
  --blue-soft:#e2ebf4;
  --radius:14px;
  --ar: system-ui, -apple-system, "SF Arabic", "Noto Sans Arabic", "Segoe UI", Tahoma, "Geeza Pro", sans-serif;
  --ar-head: "Noto Naskh Arabic", "Geeza Pro", "Traditional Arabic", "Times New Roman", serif;
  --en: "Lora", Georgia, "Times New Roman", serif;
  --safe-b: env(safe-area-inset-bottom, 0px);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--paper);color:var(--ink)}
body{font-family:var(--ar);font-size:16px;line-height:1.6;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;min-height:100vh}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--accent)}
[hidden]{display:none!important}
.en{font-family:var(--en);direction:ltr;unicode-bidi:isolate}
.ltr{direction:ltr;unicode-bidi:isolate;text-align:left}
.muted{color:var(--muted)}
.small{font-size:13px}
.center{text-align:center}
.nowrap{white-space:nowrap}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* layout */
#app{max-width:560px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column}
.screen{flex:1;padding:20px 18px calc(96px + var(--safe-b));display:flex;flex-direction:column;gap:16px}
.screen.no-nav{padding-bottom:calc(28px + var(--safe-b))}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.top h1{margin:0}
h1,h2,h3{font-family:var(--ar-head);line-height:1.35;margin:0}
h1{font-size:27px;font-weight:700}
h2{font-size:21px;font-weight:700}
h3{font-size:17px;font-weight:700}
.sub{font-size:14px;color:var(--muted)}
.row{display:flex;gap:10px;align-items:center}
.row.wrap{flex-wrap:wrap}
.between{justify-content:space-between}
.stack{display:flex;flex-direction:column;gap:10px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.spacer{flex:1}
hr{border:0;border-top:1px dashed var(--line);margin:4px 0;width:100%}

/* cards */
.card{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:10px}
.card.tight{padding:12px 14px}
.card.flat{background:transparent;border-style:dashed;border-color:var(--line)}
.sticky{background:var(--sticky);border:1px solid var(--sticky-line);border-radius:6px;padding:16px;display:flex;flex-direction:column;gap:8px;transform:rotate(-0.8deg);box-shadow:0 2px 0 rgba(120,90,30,.08)}
.sticky .label{font-size:13px;color:var(--muted);font-weight:600}
.sticky .title{font-family:var(--en);font-size:19px;font-weight:600;direction:ltr;text-align:right}
.note{background:var(--blue-soft);border-radius:12px;padding:12px 14px;font-size:14px}
.note.green{background:var(--green-soft)}
.note.red{background:var(--red-soft)}
.note.warm{background:var(--accent-soft)}

/* buttons */
.btn{appearance:none;border:0;border-radius:12px;padding:13px 18px;min-height:48px;font-weight:700;font-size:16px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;transition:transform .06s ease, background .15s}
.btn:active{transform:scale(.98)}
.btn:focus-visible,.chip:focus-visible,.opt:focus-visible,.tab:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.green{background:var(--green);color:#fff}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn.soft{background:var(--paper-2);color:var(--ink)}
.btn.block{width:100%}
.btn.sm{min-height:40px;padding:8px 14px;font-size:14px;border-radius:10px}
.btn[disabled]{opacity:.45;pointer-events:none}
.icon-btn{appearance:none;border:1.5px solid var(--line);background:var(--card);width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink);flex:none}
.icon-btn svg,.btn svg{width:22px;height:22px}
.chip{appearance:none;border:1.5px solid var(--line);background:var(--card);border-radius:999px;padding:7px 14px;font-size:14px;cursor:pointer;min-height:38px}
.chip.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.badge{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px;background:var(--paper-2);color:var(--muted)}
.badge.green{background:var(--green-soft);color:var(--green)}
.badge.accent{background:var(--accent-soft);color:#8a3b1c}
.badge.blue{background:var(--blue-soft);color:var(--blue)}

/* bottom nav */
.nav{position:fixed;bottom:0;left:0;right:0;background:rgba(251,246,236,.97);border-top:1px dashed var(--line);display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:8px 6px calc(10px + var(--safe-b));z-index:20;max-width:560px;margin:0 auto}
.nav a{display:flex;flex-direction:column;align-items:center;gap:2px;text-decoration:none;color:var(--muted);font-size:12px;padding:4px 0;min-height:48px;justify-content:center}
.nav a.on{color:var(--ink);font-weight:700}
.nav a.on svg{stroke:var(--accent)}
.nav svg{width:24px;height:24px}

/* progress */
.bar{height:9px;background:var(--track);border-radius:999px;overflow:hidden}
.bar > i{display:block;height:100%;background:var(--accent);border-radius:999px;transition:width .4s}
.bar.green > i{background:var(--green)}
.ring{--p:0;width:64px;height:64px;border-radius:50%;background:conic-gradient(var(--accent) calc(var(--p)*1%), var(--track) 0);display:grid;place-items:center;flex:none}
.ring > span{width:50px;height:50px;border-radius:50%;background:var(--card);display:grid;place-items:center;font-weight:700;font-size:14px}

/* journey path */
.path{display:flex;flex-direction:column}
.step{display:flex;gap:14px;align-items:stretch;text-decoration:none;color:inherit}
.step .rail{display:flex;flex-direction:column;align-items:center;width:34px;flex:none}
.step .dot{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex:none;border:2px solid var(--line);color:var(--muted);background:var(--paper)}
.step .dot svg{width:16px;height:16px}
.step.done .dot{background:var(--green);border-color:var(--green);color:#fff}
.step.now .dot{background:var(--accent);border-color:var(--accent);color:#fff}
.step .line{flex:1;width:2px;background:var(--line);min-height:18px}
.step.done .line{background:var(--green)}
.step .body{padding:4px 0 16px;display:flex;flex-direction:column;gap:3px;flex:1;min-width:0}
.step .body b{font-size:15px}
.step:last-child .line{display:none}

/* stats */
.stat{background:var(--card);border:1px solid var(--line-soft);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:2px}
.stat b{font-size:22px;font-family:var(--en)}
.stat span{font-size:12px;color:var(--muted)}

/* lists */
.list{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden}
.list > a,.list > button,.list > div{display:flex;align-items:center;gap:12px;padding:13px 14px;border:0;border-bottom:1px solid var(--line-soft);background:transparent;text-align:right;text-decoration:none;color:inherit;width:100%;cursor:pointer;min-height:52px}
.list > *:last-child{border-bottom:0}
.list .grow{flex:1;min-width:0}
.list .en{font-size:17px}
.chev{width:18px;height:18px;color:var(--muted);flex:none}

/* forms */
label.field{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:14px}
input[type=text],input[type=number],input[type=search],select,textarea{width:100%;border:1.5px solid var(--line);background:var(--card);border-radius:12px;padding:12px 14px;font-size:17px;min-height:50px}
textarea{min-height:110px;resize:vertical}
input.en-input{font-family:var(--en);direction:ltr;text-align:left}

/* exercise */
.ex{display:flex;flex-direction:column;gap:14px}
.ex .ask{font-size:15px;color:var(--muted);font-weight:600}
.ex .prompt{font-family:var(--en);font-size:21px;line-height:1.55;direction:ltr;text-align:left;background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);padding:16px}
.ex .prompt.ar{font-family:var(--ar);direction:rtl;text-align:right;font-size:19px}
.ex .gap{display:inline-block;min-width:64px;border-bottom:2px solid var(--accent);margin:0 3px;color:var(--accent)}
.opts{display:flex;flex-direction:column;gap:10px}
.opt{appearance:none;border:1.5px solid var(--line);background:var(--card);border-radius:12px;padding:13px 16px;min-height:52px;text-align:right;cursor:pointer;font-size:17px;display:flex;align-items:center;gap:10px}
.opt.en{text-align:left;justify-content:flex-start}
.opt.right{background:var(--green-soft);border-color:var(--green);color:#1f4a2c;font-weight:700}
.opt.wrong{background:var(--red-soft);border-color:var(--red);color:#7a2414}
.opt[disabled]{cursor:default}
.tiles{display:flex;flex-wrap:wrap;gap:8px;direction:ltr;justify-content:flex-start}
.tile{appearance:none;border:1.5px solid var(--line);background:var(--card);border-radius:10px;padding:9px 13px;font-family:var(--en);font-size:17px;cursor:pointer;min-height:44px}
.tile.used{opacity:.25;pointer-events:none}
.built{min-height:60px;border:1.5px dashed var(--line);border-radius:12px;padding:8px;display:flex;flex-wrap:wrap;gap:8px;direction:ltr;align-content:flex-start}
.built .tile{background:var(--sticky);border-color:var(--sticky-line)}
.feedback{border-radius:12px;padding:12px 14px;display:flex;flex-direction:column;gap:6px;font-size:15px}
.feedback.ok{background:var(--green-soft);color:#1f4a2c}
.feedback.no{background:var(--red-soft);color:#6b1f10}
.feedback .ans{font-family:var(--en);direction:ltr;text-align:left;font-size:17px;font-weight:600}
.hint{font-size:13px;color:var(--muted)}

/* session header */
.sess-top{display:flex;align-items:center;gap:12px}
.sess-top .bar{flex:1}
.steps4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}
.steps4 span{font-size:12px;text-align:center;padding:5px 2px;border-radius:8px;background:var(--paper-2);color:var(--muted)}
.steps4 span.on{background:var(--accent);color:#fff;font-weight:700}
.steps4 span.done{background:var(--green-soft);color:var(--green);font-weight:700}

/* word card */
.word-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.word-head .w{font-family:var(--en);font-size:32px;font-weight:600;direction:ltr}
.word-ar{font-size:20px;font-weight:700}
.pos{font-size:12px;color:var(--muted)}
.forms{width:100%;border-collapse:collapse;direction:ltr}
.forms td,.forms th{padding:8px 6px;border-bottom:1px solid var(--line-soft);text-align:left;vertical-align:top}
.forms th{font-family:var(--ar);font-weight:600;font-size:13px;color:var(--muted);text-align:right;direction:rtl;width:38%}
.forms td{font-family:var(--en);font-size:17px}
.sent{display:flex;flex-direction:column;gap:2px;padding:10px 12px;background:var(--paper-2);border-radius:10px}
.sent .en{font-size:17px}
.sent .ar{font-size:14px;color:var(--muted)}
mark{background:#fde7a6;color:inherit;border-radius:3px;padding:0 2px}

/* grammar lesson */
.rule{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:8px;font-size:16px}
.rule h3{font-size:17px}
.rule .formula{font-family:var(--en);direction:ltr;text-align:left;background:var(--sticky);border:1px dashed var(--sticky-line);border-radius:10px;padding:10px 12px;font-size:17px}
.rule table{border-collapse:collapse;width:100%;direction:ltr;font-family:var(--en);font-size:15px}
.rule td,.rule th{border:1px solid var(--line-soft);padding:6px 8px;text-align:left}
.rule th{background:var(--paper-2);font-family:var(--ar)}
.rule ul{margin:0;padding-inline-start:20px}
.rule li{margin:3px 0}
.examples{display:flex;flex-direction:column;gap:8px}
.ex-line{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;background:var(--card);border:1px solid var(--line-soft);border-radius:12px}
.ex-line .t{flex:1;display:flex;flex-direction:column;gap:2px}
.ex-line .en{font-size:17px}
.ex-line .ar{font-size:14px;color:var(--muted)}
.ex-line b{color:var(--accent)}
.speak{appearance:none;border:0;background:var(--paper-2);width:40px;height:40px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;flex:none;color:var(--ink)}
.speak svg{width:20px;height:20px}

/* reading */
.reading{font-family:var(--en);direction:ltr;text-align:left;font-size:18px;line-height:1.75;background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);padding:16px}
.reading p{margin:0 0 10px}

/* tabs */
.tabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px}
.tab{appearance:none;border:1.5px solid var(--line);background:var(--card);border-radius:999px;padding:8px 16px;font-size:14px;white-space:nowrap;cursor:pointer;min-height:40px}
.tab.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* who */
.who-list{display:flex;flex-direction:column;gap:12px}
.who{display:flex;align-items:center;gap:14px;padding:14px;background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);text-decoration:none;color:inherit;cursor:pointer;width:100%;text-align:right;min-height:72px;appearance:none}
.avatar{width:48px;height:48px;border-radius:50%;background:var(--accent-soft);color:#8a3b1c;display:grid;place-items:center;font-weight:700;font-size:20px;flex:none;font-family:var(--ar-head)}

/* chart */
.chart{display:flex;align-items:flex-end;gap:6px;height:110px;padding-top:8px;direction:ltr}
.chart .col{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;height:100%;justify-content:flex-end}
.chart .col i{display:block;width:100%;max-width:28px;background:var(--accent);border-radius:6px 6px 2px 2px;min-height:3px}
.chart .col.prev i{background:var(--line)}
.chart .col span{font-size:11px;color:var(--muted)}

/* toast */
#toast{position:fixed;left:50%;bottom:calc(92px + var(--safe-b));transform:translateX(-50%) translateY(20px);background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:12px;font-size:14px;opacity:0;pointer-events:none;transition:all .25s;z-index:50;max-width:88vw;text-align:center}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* celebrate */
.big-check{width:84px;height:84px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;margin:8px auto}
.big-check svg{width:44px;height:44px}
.score{font-family:var(--en);font-size:44px;font-weight:700;text-align:center}

.rec-dot{width:12px;height:12px;border-radius:50%;background:var(--red);display:inline-block;animation:blink 1s infinite}
@keyframes blink{50%{opacity:.2}}

@media (min-width:600px){
  .screen{padding-top:28px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
/* إبقاء العبارات الإنكليزية القصيرة كتلة وحدة داخل النص العربي */
.rule p .en,.rule li .en,.note .en,.card.flat .en,.sub .en{display:inline-block}