/* Layout: opening list on the right (RTL), board + coach panel on the left; stacks on phones */
:root{
  --bg:#f3f1ec; --surface:#fbfaf7; --fg:#1f2a2a; --muted:#66716f; --line:#d9d5ca;
  --accent:#1f6f66; --accent-fg:#ffffff; --sq-light:#ecdfc2; --sq-dark:#9bb5a0;
  --hl:rgba(222,176,40,.55); --target:rgba(31,111,102,.45); --bad:#b3402f; --good:#2f7d4a;
  --pc-w:#fffdf6; --pc-b:#1b2322; --pc-edge:#1b2322; --pc-edge-b:#f4efe2;
  --bmax:560px; --font-display:'Amiri','Noto Naskh Arabic',serif; --font-body:'IBM Plex Sans Arabic','Segoe UI',Tahoma,sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#141a1a; --surface:#1c2524; --fg:#e7ece9; --muted:#97a5a1; --line:#2f3b3a;
  --accent:#58b8aa; --accent-fg:#0d1514; --sq-light:#c9bb98; --sq-dark:#5f7f6b;
  --hl:rgba(232,190,60,.5); --target:rgba(88,184,170,.55); --bad:#e07a68; --good:#6fc58a; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#141a1a; --surface:#1c2524; --fg:#e7ece9; --muted:#97a5a1; --line:#2f3b3a;
  --accent:#58b8aa; --accent-fg:#0d1514; --sq-light:#c9bb98; --sq-dark:#5f7f6b;
  --hl:rgba(232,190,60,.5); --target:rgba(88,184,170,.55); --bad:#e07a68; --good:#6fc58a; color-scheme:dark}
body{background:var(--bg);color:var(--fg);font-family:var(--font-body);padding-inline:16px;padding-block:20px 40px}
*{box-sizing:border-box}
[hidden]{display:none!important}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
#app{max-width:1480px;margin-inline:auto;display:flex;flex-direction:column;gap:24px}
header h1{font-family:var(--font-display);font-size:2.1rem;margin:0;line-height:1.2;font-weight:700}
header p{margin:4px 0 0;color:var(--muted);font-size:.95rem}
.layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:28px;align-items:start}
.side{display:flex;flex-direction:column;gap:10px;min-width:0;position:sticky;top:16px;max-height:calc(100vh - 32px);overflow-y:auto;padding:2px}
.tabs{display:flex;gap:6px}
.tabs button{flex:1;padding:7px 4px;border:1px solid var(--line);background:transparent;border-radius:6px;font-size:.88rem}
.tabs button[aria-pressed="true"]{background:var(--accent);color:var(--accent-fg);border-color:var(--accent)}
.list{display:flex;flex-direction:column;gap:6px;min-width:0}
#oq{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit}
.side details{border:1px solid var(--line);border-radius:8px;background:var(--surface)}
.side summary{padding:9px 12px;cursor:pointer;font-weight:600;font-size:.9rem}
.side .grp{display:flex;flex-direction:column;gap:6px;padding:6px;max-height:none;overflow:visible}
.gh{grid-column:1/-1;font-weight:600;font-size:.85rem;color:var(--accent);padding:8px 2px 2px;border-bottom:1px solid var(--line)}
.op{text-align:start;padding:10px 12px;border:1px solid var(--line);background:var(--surface);border-radius:8px;display:flex;flex-direction:column;gap:2px}
.op[aria-current="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.op b{font-weight:600;font-size:.97rem}
.op small{color:var(--muted);display:flex;justify-content:space-between;gap:8px}
.op .done{color:var(--good)}
.main{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:28px;min-width:0;align-items:start}
.boardwrap{min-width:0;position:sticky;top:16px;align-self:start}
#board{direction:ltr;display:grid;grid-template-columns:repeat(8,minmax(0,1fr));grid-template-rows:repeat(8,minmax(0,1fr));container-type:inline-size;aspect-ratio:1;width:100%;max-width:var(--bmax);margin-inline:auto;border:6px solid #8a6a4a;border-radius:3px;box-shadow:0 2px 10px rgba(0,0,0,.18)}
.sq{position:relative;border:0;padding:0;display:flex;align-items:center;justify-content:center;line-height:1;border-radius:0}
.sq{min-width:0;min-height:0}
.sq.l{background:#f0d9b5}
.sq.d{background:#b58863}
.sq.last::before,.sq.sel::before,.sq.hint::before{content:"";position:absolute;inset:0;background:var(--hl)}
.sq.tgt::after{content:"";position:absolute;width:26%;height:26%;border-radius:50%;background:var(--target)}
.sq.tgt.occ::after{width:100%;height:100%;border-radius:0;background:none;box-shadow:inset 0 0 0 4px var(--target)}
.pc{position:absolute;z-index:1;inset:3%;width:94%;height:94%;margin:0;display:block;pointer-events:none;overflow:visible;filter:drop-shadow(0 2px 1.5px rgba(0,0,0,.45))}
.coord{position:absolute;font-size:.62rem;font-weight:600;opacity:.7;z-index:2;font-family:var(--font-body)}
.coord.f{bottom:1px;right:3px}.coord.r{top:1px;left:3px}
.l .coord{color:#b58863}.d .coord{color:#f0d9b5}
.shake{animation:shake .3s}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
@media (prefers-reduced-motion:reduce){.shake{animation:none}}
.panel{display:flex;flex-direction:column;gap:16px;min-width:0}
.modes{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.modes button{flex:1;border:0;background:var(--surface);padding:9px 6px;font-weight:500}
.modes button[aria-pressed="true"]{background:var(--accent);color:var(--accent-fg)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:12px;min-width:0}
.card h2{font-family:var(--font-display);font-size:1.5rem;margin:0;line-height:1.25}
.card .desc{margin:0;color:var(--muted);font-size:.9rem;line-height:1.7}
.note{font-size:1rem;line-height:1.85;min-height:5.5em}
.note.bad{color:var(--bad)}.note.good{color:var(--good)}
.moves{direction:ltr;display:flex;flex-wrap:wrap;gap:4px 8px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.88rem}
.moves .n{color:var(--muted)}
.moves .m{padding:1px 5px;border-radius:4px}
.moves .m.cur{background:var(--accent);color:var(--accent-fg)}
.moves .m.hid{color:transparent;background:var(--line)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips button{padding:5px 10px;border:1px solid var(--line);background:transparent;border-radius:999px;font-size:.82rem}
.chips button[aria-pressed="true"]{background:var(--accent);color:var(--accent-fg);border-color:var(--accent)}
.chips .lab{align-self:center;color:var(--muted);font-size:.8rem}
.posname{color:var(--accent);font-size:.88rem;font-weight:600;direction:ltr;text-align:start;min-height:0}
.picker{grid-column:1/-1}
.phead{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px}
.phead h3{margin:0;font-size:1rem;font-weight:600}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg button{padding:5px 10px;border:1px solid var(--line);background:transparent;border-radius:999px;font-size:.82rem}
.seg button[aria-pressed="true"]{background:var(--accent);color:var(--accent-fg);border-color:var(--accent)}
#q{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit}
.linelist{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,230px),1fr));gap:6px;max-height:440px;overflow-y:auto;padding:2px}
.ln{text-align:start;padding:8px 10px;border:1px solid var(--line);background:transparent;border-radius:8px;display:flex;flex-direction:column;gap:2px;min-width:0}
.ln b{font-weight:600;font-size:.88rem;overflow-wrap:anywhere}
.ln small{color:var(--muted);font-size:.78rem;overflow-wrap:anywhere}
.ln[aria-current="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.ctrl{display:flex;gap:8px;flex-wrap:wrap}
.ctrl button{flex:1;min-width:70px;padding:8px 10px;border:1px solid var(--line);background:transparent;border-radius:8px}
.ctrl button.primary{background:var(--accent);color:var(--accent-fg);border-color:var(--accent)}
.ctrl button:disabled{opacity:.4;cursor:default}
.meta{display:flex;justify-content:space-between;color:var(--muted);font-size:.85rem}
.theme{align-self:flex-start;border:1px solid var(--line);background:transparent;border-radius:6px;padding:4px 10px;font-size:.8rem;color:var(--muted)}
.top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
:root,:root:not([data-theme="light"]),:root[data-theme="dark"]{--target:rgba(0,0,0,.3)}
.book{display:flex;flex-direction:column;gap:6px;max-height:250px;overflow-y:auto}.book h3{margin:0;font-size:.9rem;font-weight:600}
.modes button{font-size:.9rem}

/* ===== وضع التحليل ===== */
.bwrow{display:flex;gap:8px;justify-content:center;max-width:calc(var(--bmax) + 36px);margin-inline:auto;direction:ltr}
.bwrap{position:relative;flex:1 1 0;min-width:0;max-width:var(--bmax)}
.bwrap #board{width:100%;max-width:none;margin-inline:0}
#arrows{position:absolute;inset:6px;width:calc(100% - 12px);height:calc(100% - 12px);pointer-events:none;z-index:5;direction:ltr}
#evalbar{position:relative;width:26px;flex:none;border-radius:5px;overflow:hidden;background:#3b3834;border:1px solid var(--line)}
#evalFill{position:absolute;left:0;right:0;bottom:0;height:50%;background:#f4f1ea;transition:height .35s}
#evalLbl{position:absolute;left:0;right:0;text-align:center;font:600 .62rem var(--font-body);direction:ltr}
.aneng{display:flex;flex-direction:column;gap:10px;min-width:0}
.anstat{font-size:.82rem;color:var(--muted);min-height:1.2em}
.anstat button{margin-inline-start:6px;padding:2px 8px;border:1px solid var(--line);background:transparent;border-radius:6px;font-size:.8rem}
.anrow{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.84rem}
.anrow label{display:flex;gap:4px;align-items:center;color:var(--muted)}
.anrow select{padding:3px 4px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--fg);font:inherit}
.anrow button{padding:6px 10px;border:1px solid var(--line);background:transparent;border-radius:8px;font-size:.84rem}
.anrow button.primary{background:var(--accent);color:var(--accent-fg);border-color:var(--accent)}
.anrow button:disabled{opacity:.4;cursor:default}
.aneval{display:flex;align-items:baseline;gap:10px;min-height:1.8em}
.aneval .evn{font-size:1.6rem;font-weight:700;font-family:ui-monospace,Menlo,Consolas,monospace}
.aneval span{color:var(--muted);font-size:.86rem}
.anlines{display:flex;flex-direction:column;gap:4px}
.anln{display:flex;gap:8px;align-items:baseline;text-align:start;padding:5px 8px;border:1px solid var(--line);background:transparent;border-radius:8px;min-width:0}
.anln .ev{flex:none;min-width:3.4em;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.84rem}
.anln .pv{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.8rem;overflow-wrap:anywhere}
.hintx{color:var(--muted);font-size:.76rem}
.ansum{font-size:.9rem;line-height:1.7;min-height:1.4em}
.b-best{color:#2e9d5b}.b-good{color:#6a8f7a}.b-inacc{color:#b8860b}.b-mis{color:#d9822b}.b-blu{color:#c0392b}
.anprog{font-size:.82rem;color:var(--muted)}
.angraph svg{display:block;width:100%;height:60px;border-radius:6px;cursor:pointer}
.anlist{display:flex;flex-wrap:wrap;gap:3px 4px;max-height:220px;overflow-y:auto;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.84rem}
.anlist .mv{display:inline-flex;gap:3px;align-items:baseline;padding:2px 5px;border:0;background:transparent;border-radius:4px}
.anlist .mv .n{color:var(--muted)}
.anlist .mv small{color:var(--muted);font-size:.7rem}
.anlist .mv .bd{font-style:normal;font-weight:700;font-size:.78rem}
.anlist .mv.cur{background:var(--accent);color:var(--accent-fg)}
.anlist .mv.cur .n,.anlist .mv.cur small{color:inherit;opacity:.85}
.animp summary{cursor:pointer;font-size:.86rem;color:var(--muted)}
.animp textarea{width:100%;margin:8px 0;padding:8px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);font:.8rem ui-monospace,Menlo,Consolas,monospace}

/* ===== استجابة الشاشات ===== */
/* شاشة كبيرة: الرقعة تكبر حسب ارتفاع الشاشة عشان تبان كاملة */
@media (min-width:1101px){:root{--bmax:clamp(440px,calc(100vh - 150px),760px)}}
/* شاشة متوسطة: القائمة جنب، والرقعة فوق اللوحة */
@media (max-width:1100px){
  :root{--bmax:620px}
  .main{grid-template-columns:minmax(0,1fr)}
  .boardwrap{position:static}
}
/* موبايل: الرقعة أول حاجة، بعدها اللوحة، وبعدين قائمة الافتتاحيات */
@media (max-width:820px){
  body{padding-inline:10px}
  .layout{grid-template-columns:minmax(0,1fr);gap:16px}
  .main{display:contents}
  .boardwrap{order:1}
  .panel{order:2}
  .side{order:3;position:static;max-height:none;overflow:visible}
  .side .grp{max-height:320px;overflow-y:auto}
  .picker{order:4}
  .card{padding:14px}
}