:root{--bg:#f4f7f6;--surface:#fff;--deep:#073f38;--green:#087a68;--green-strong:#055748;--tint:#e8f4f1;--gold:#b79854;--ink:#172925;--muted:#53665f;--line:#d3dedb;--focus:#c26a00;--bad:#a52a22;--okbg:#dff5ec;--badbg:#fde8e7;--onbrand:#fff;--f-op:#bde0fe;--f-rs:#caffbf;--f-rt:#ffd6a5;--f-rd:#ffadad;--f-fn:#e4c1f9;--f-im:#fdffb6;--f-tg:#9bf6ff;--f-f7:#a0c4ff;--fieldink:#102a43}
:root[data-theme=dark]{--bg:#0b1917;--surface:#122622;--deep:#071f1b;--green:#3fcdb4;--green-strong:#7fe3d0;--tint:#17332e;--gold:#d6b96a;--ink:#e4f1ee;--muted:#9bb5af;--line:#264540;--focus:#fbbf24;--bad:#ff9a90;--okbg:#14382f;--badbg:#3d1d1a;--onbrand:#06241f}
@media(prefers-color-scheme:dark){:root[data-theme=auto]{--bg:#0b1917;--surface:#122622;--deep:#071f1b;--green:#3fcdb4;--green-strong:#7fe3d0;--tint:#17332e;--gold:#d6b96a;--ink:#e4f1ee;--muted:#9bb5af;--line:#264540;--focus:#fbbf24;--bad:#ff9a90;--okbg:#14382f;--badbg:#3d1d1a;--onbrand:#06241f}}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:70px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"IBM Plex Sans Arabic","IBM Plex Sans",Tahoma,system-ui,sans-serif;font-size:1.04rem;line-height:1.75}
html[lang=en] body{line-height:1.6}
a{color:var(--green-strong)}:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
.skip{position:absolute;inset-inline-start:12px;top:-70px;background:var(--surface);color:var(--ink);border:3px solid var(--focus);border-radius:8px;padding:8px 14px;z-index:999}.skip:focus{top:8px}
.wrap{width:min(1180px,100% - 32px);margin-inline:auto}
.pbar{background:var(--deep);color:#fff;font-size:.86rem}.pbar .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-block:6px}.pbar a{color:#fff}
.masthead{background:var(--surface);border-bottom:1px solid var(--line)}.masthead .wrap{display:flex;align-items:center;gap:14px;padding-block:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}.brand img{width:48px;height:48px;border-radius:10px}.brand b{display:block;font-size:1.15rem;line-height:1.3}.brand b+span{color:var(--muted);font-size:.88rem}.hero .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.75)}
.ctrls{margin-inline-start:auto;display:flex;gap:8px}
.btn{font:inherit;font-weight:600;cursor:pointer;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:8px;padding:8px 14px;min-height:42px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px}
.btn:hover{border-color:var(--green)}.btn.primary{background:var(--green);border-color:var(--green);color:var(--onbrand)}.btn.primary:hover{background:var(--green-strong)}.btn.sm{min-height:34px;padding:4px 10px;font-size:.88rem}
nav.main{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
nav.main ul{display:flex;list-style:none;margin:0 auto;padding:0;width:min(1180px,100% - 24px);overflow-x:auto}
nav.main a{display:block;white-space:nowrap;padding:12px 13px;text-decoration:none;color:var(--ink);font-weight:600;font-size:.96rem;border-bottom:4px solid transparent}
nav.main a:hover{background:var(--tint)}nav.main a[aria-current=page]{border-bottom-color:var(--gold);color:var(--green-strong);background:var(--tint)}
.crumb{color:var(--muted);font-size:.88rem;padding-block:10px}
main.page{padding-bottom:40px}
.hero{background:linear-gradient(120deg,var(--deep),#087a68);color:#fff;border-radius:16px;padding:clamp(20px,4vw,38px);margin-block:8px 18px}
.hero h1{margin:0 0 8px;font-size:clamp(1.6rem,3.6vw,2.5rem);line-height:1.3}.hero p{margin:0;max-width:70ch;color:#e6f4f0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px;margin-block:16px}
.card h2{margin-top:0;font-size:1.25rem}.card h3{font-size:1.05rem}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.grid2>*,.grid3>*,.grid4>*{min-width:0}
@media(max-width:860px){.grid2,.grid3{grid-template-columns:minmax(0,1fr)}.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}}
label.f{display:flex;flex-direction:column;gap:4px;font-weight:600;font-size:.92rem}
input,select,textarea{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 10px;min-height:40px;max-width:100%}
textarea{width:100%;direction:ltr;text-align:left;font-family:"IBM Plex Mono",Consolas,monospace;font-size:.95rem;line-height:1.6}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-block:10px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:end}
table{width:100%;border-collapse:collapse;font-size:.95rem}th,td{border:1px solid var(--line);padding:7px 9px;text-align:center}th{background:var(--deep);color:#fff}
.tw{overflow-x:auto}.ltr{direction:ltr;text-align:left}.mono{font-family:"IBM Plex Mono",Consolas,monospace}
.status{min-height:24px;font-weight:600}.err{color:var(--bad)}.ok{background:var(--okbg)}.bad{background:var(--badbg)}.warn{color:var(--focus)}
.note{color:var(--muted)}
.stat{background:var(--tint);border-radius:10px;padding:10px;text-align:center}.stat b{display:block;font-size:1.3rem;color:var(--green-strong)}.stat span{font-size:.85rem}
.fields{display:grid;direction:ltr;gap:3px;padding:6px;border-radius:8px;background:var(--tint);overflow-x:auto}
.fld{padding:7px 2px;border-radius:6px;text-align:center;color:var(--fieldink);min-width:48px;font-size:.78rem}.fld b{display:block}.fld code{display:block;font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:.82rem;word-break:break-all}
.c-opcode{background:var(--f-op)}.c-rs,.c-rs1{background:var(--f-rs)}.c-rt,.c-rs2{background:var(--f-rt)}.c-rd{background:var(--f-rd)}.c-funct,.c-funct3,.c-shamt{background:var(--f-fn)}.c-funct7{background:var(--f-f7)}.c-imm{background:var(--f-im)}.c-target{background:var(--f-tg)}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-block:8px}.tabs button[aria-selected=true]{background:var(--green);color:var(--onbrand);border-color:var(--green)}
pre.code,.prompt{direction:ltr;text-align:left;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:12px;white-space:pre-wrap;font-family:"IBM Plex Mono",Consolas,monospace;font-size:.88rem;line-height:1.6;overflow-x:auto}
.chip{display:inline-block;border:1px solid var(--line);border-radius:99px;padding:1px 10px;font-size:.82rem;color:var(--muted)}
.bar{height:8px;border-radius:99px;background:var(--line);overflow:hidden}.bar i{display:block;height:100%;background:var(--green);width:0;transition:width .25s}
footer.site{background:var(--deep);color:#fff;border-top:6px solid var(--gold);margin-top:30px}
footer.site .wrap{padding-block:24px}footer.site a{color:#fff}
.fgrid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:20px}@media(max-width:760px){.fgrid{grid-template-columns:1fr}}
.credit{text-align:center;border-top:1px solid rgba(255,255,255,.18);margin-top:16px;padding-top:14px}
.credit sup,.rahma{font-size:.62em;vertical-align:super;line-height:0;margin-inline:.1em;font-weight:500}#diag,#diag table{direction:ltr}#diag td:nth-child(2){text-align:left}
.motto{color:#ead89d;font-weight:600}.disc{font-size:.82rem;opacity:.85;max-width:900px;margin:6px auto 0}
.cell{display:inline-block;min-width:46px;padding:2px 4px;border-radius:4px;font-size:.78rem;font-family:"IBM Plex Mono",monospace;color:var(--fieldink)}
.s-IF{background:#bde0fe}.s-ID{background:#caffbf}.s-EX{background:#ffd6a5}.s-MEM{background:#e4c1f9}.s-WB{background:#fdffb6}.s-stall{background:#ffadad}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{.pbar,.masthead .ctrls,nav.main,.actions,.skip{display:none}body{background:#fff;color:#000}}