/* منصة طلاب العراق التعليمية — التصميم الموحد v3
   الفكرة: كل مادة لها لون مثل أغلفة الكتب المدرسية، وزر التحميل أخضر واضح، وأزرار التنقل كبيرة بأيقونات */
:root{
  --ink:#13234a;--ink-2:#3c4a6b;--muted:#5d6987;
  --paper:#f5f7fb;--card:#fff;--line:#dfe5f1;--soft:#eef2fa;
  --navy:#13234a;--navy-2:#1d3570;
  --go:#0e8a5a;--go-2:#0b7149;--go-soft:#e3f5ec;
  --gold:#e3a72f;
  --sub:#33508a;                 /* لون المادة (يتغير لكل صفحة) */
  --focus:#e3a72f;
  --r-lg:20px;--r-md:14px;--r-sm:10px;
  --f:'Readex Pro','IBM Plex Sans Arabic','Segoe UI',Tahoma,system-ui,sans-serif;
  --shadow:0 1px 2px rgba(19,35,74,.06),0 8px 24px rgba(19,35,74,.06);
}
@media (prefers-color-scheme:dark){
  :root{--ink:#e8edf9;--ink-2:#c3cce4;--muted:#9aa6c6;--paper:#0b1430;--card:#111d42;--line:#24335f;--soft:#16244f;--go-soft:#0f3a2c;--shadow:0 1px 2px rgba(0,0,0,.3)}
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1rem/1.85 var(--f)}
a{color:inherit}
img{max-width:100%;height:auto}
svg{flex:none}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:8px}
.skip{position:absolute;inset-inline-start:.5rem;top:-4rem;background:var(--gold);color:#1b1200;padding:.5rem 1rem;border-radius:8px;z-index:20}
.skip:focus{top:.5rem}
.wrap{width:min(1140px,100% - 2rem);margin-inline:auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.muted{color:var(--muted)}

/* ألوان المواد */
.s-ar,.s-qo,.s-qr,.s-adab{--sub:#1f8a4c}.s-en,.s-ena{--sub:#c2362b}.s-ma{--sub:#1e5bd8}.s-py{--sub:#6f3fd6}.s-ch{--sub:#d9700f}
.s-bi{--sub:#0f8f7a}.s-sc{--sub:#1b93ad}.s-is{--sub:#0b6b55}.s-ig,.s-hs,.s-go,.s-soc{--sub:#9a5a22}.s-geo{--sub:#7a6a1f}.s-fr{--sub:#2f4fb0}
.s-kr{--sub:#b07b0a}.s-co{--sub:#41566b}.s-ec,.s-pl{--sub:#8a3c9c}.s-ak,.s-wt{--sub:#2e7d66}
@media (prefers-color-scheme:dark){.s-ar,.s-qo,.s-qr,.s-adab{--sub:#3fbf75}.s-en,.s-ena{--sub:#ff6b5e}.s-ma{--sub:#6e9cff}.s-py{--sub:#a88bff}.s-ch{--sub:#ffa04d}.s-bi{--sub:#3fd0b6}.s-sc{--sub:#4fc8e0}.s-is{--sub:#3fbf9a}.s-ig,.s-hs,.s-go,.s-soc{--sub:#e09a5c}.s-geo{--sub:#cdb752}.s-fr{--sub:#7f9cff}.s-kr{--sub:#f0b840}.s-co{--sub:#9fb4c8}.s-ec,.s-pl{--sub:#d38be3}.s-ak,.s-wt{--sub:#5fc7a8}}

/* الرأس */
.top{background:var(--navy);color:#fff}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:64px}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.05rem;line-height:1.3;text-decoration:none;color:#fff}
.nav{display:flex;align-items:center;gap:1.2rem;font-size:.95rem}
.nav a{text-decoration:none;color:#c9d4f2}
.nav a:hover{color:#fff}
.nav .ext{white-space:nowrap;background:var(--gold);color:#1b1200;border-radius:999px;padding:.25rem 1rem;font-weight:600}
.nav .ext:hover{background:#f1bb4a;color:#1b1200}
@media (max-width:900px){.nav .lnk{display:none}}
@media (max-width:420px){.brand span{font-size:.92rem}.nav .ext{font-size:.82rem;padding:.2rem .75rem}}

/* شريط عنوان الصفحة */
.band{background:var(--navy);color:#fff;padding-block:.1rem 1.1rem;border-bottom:6px solid var(--sub)}
.crumbs{font-size:.84rem;color:#aebbe0;padding-block:.7rem .5rem}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.1rem .45rem}
.crumbs li+li::before{content:"‹";margin-inline-end:.45rem;opacity:.6}
.crumbs a{text-decoration:none;color:#dbe3f7}.crumbs a:hover{text-decoration:underline}
.band .chip{display:inline-block;margin:.2rem 0 .4rem;font-size:.82rem;font-weight:600;background:color-mix(in srgb,var(--sub) 70%,#fff 0%);background:var(--sub);color:#fff;border-radius:999px;padding:.1rem .8rem}
.band h1{font-size:clamp(1.25rem,3.4vw,2rem);line-height:1.45;font-weight:700;margin:.1rem 0 .4rem;max-width:48rem}
.band .lead{color:#cbd6f3;margin:0;max-width:50rem;font-size:.97rem}
.info .lead{margin:0 0 .2rem;color:var(--ink-2)}
.facts-row{display:flex;flex-wrap:wrap;gap:.45rem;margin:.7rem 0 0;padding:0;list-style:none}
.facts-row li{background:var(--soft);border-radius:10px;padding:.2rem .75rem;font-size:.86rem;display:flex;gap:.4rem}
.facts-row span{color:var(--muted)}.facts-row b{font-weight:600}

/* لوحة التحميل والأزرار */
.apanel{position:relative;margin-top:-1px;background:var(--card);border:1px solid var(--line);border-top:0;border-radius:0 0 var(--r-lg) var(--r-lg);box-shadow:var(--shadow);padding:1rem;display:grid;gap:1rem}
@media (min-width:820px){.apanel{padding:1.3rem 1.4rem}.apanel.has-cover{grid-template-columns:180px 1fr;align-items:start}}
.cover{margin:0;justify-self:center;width:100%;max-width:180px}
@media (max-width:819px){.cover{max-width:140px}}
.cover img{display:block;width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:10px;border:3px solid var(--sub);background:var(--soft)}
.abody{display:grid;gap:.8rem;min-width:0}
.bigdl{display:flex;align-items:center;gap:.9rem;text-decoration:none;background:var(--go);color:#fff;border-radius:var(--r-lg);padding:.95rem 1.2rem;min-height:4.6rem;box-shadow:0 8px 20px color-mix(in srgb,var(--go) 32%,transparent)}
.bigdl:hover{background:var(--go-2)}
.bigdl .ic{width:2.6rem;height:2.6rem;padding:.45rem;border-radius:12px;background:rgba(255,255,255,.18)}
.bigdl b{display:block;font-size:1.22rem;line-height:1.35}
.bigdl small{display:block;opacity:.92;font-size:.84rem;line-height:1.5}
.agrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.55rem;list-style:none;margin:0;padding:0}
@media (min-width:640px){.agrid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (min-width:1050px){.apanel:not(.has-cover) .agrid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.abtn{display:flex;align-items:center;gap:.6rem;height:100%;min-height:3.7rem;padding:.55rem .75rem;border-radius:var(--r-md);background:var(--card);border:1.5px solid var(--line);text-decoration:none;line-height:1.4}
.abtn:hover{border-color:var(--sub);background:color-mix(in srgb,var(--sub) 6%,var(--card))}
.abtn .ic{width:2.25rem;height:2.25rem;padding:.42rem;border-radius:10px;background:color-mix(in srgb,var(--sub) 13%,var(--card));color:var(--sub)}
.abtn b{display:block;font-weight:600;font-size:.92rem}
.abtn small{display:block;color:var(--muted);font-size:.76rem}
.abtn.app .ic{background:#e7f7ee;color:#0e8a5a}.abtn.tg .ic{background:#e5f2fc;color:#1b7fc4}
@media (prefers-color-scheme:dark){.abtn.app .ic{background:#0f3a2c;color:#46d39a}.abtn.tg .ic{background:#0f2e4a;color:#62b6f0}}

/* مواد الصف */
.subjects{margin-top:1.2rem}
.subjects h2,.blockh{font-size:1.08rem;font-weight:700;margin:0 0 .6rem}
.subj{display:flex;gap:.5rem;overflow-x:auto;padding:.1rem .1rem .5rem;margin:0;list-style:none;scrollbar-width:thin}
.subj a{display:flex;align-items:center;gap:.45rem;white-space:nowrap;text-decoration:none;padding:.45rem .9rem;border-radius:999px;background:var(--card);border:1.5px solid var(--line);font-size:.9rem;font-weight:500}
.subj a::before{content:"";width:.65rem;height:.65rem;border-radius:50%;background:var(--sub)}
.subj a:hover,.subj a[aria-current]{border-color:var(--sub);color:var(--sub)}

/* الأعمدة */
.cols{display:grid;gap:1.2rem;margin-top:1.3rem}
@media (min-width:980px){.cols{grid-template-columns:minmax(0,1fr) 330px;align-items:start}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:1.2rem 1.3rem;margin-bottom:1.1rem}
.card h2{font-size:1.15rem;line-height:1.5;font-weight:700;margin:0 0 .6rem}
.prose h2{margin-top:1rem}.prose h2:first-child{margin-top:0}
.prose p{margin:.2rem 0 .8rem;max-width:68ch}
.howto ol{margin:0;padding:0;list-style:none;counter-reset:s;display:grid;gap:.6rem}
.howto li{counter-increment:s;display:flex;gap:.7rem;align-items:flex-start}
.howto li::before{content:counter(s);flex:none;width:1.8rem;height:1.8rem;border-radius:50%;background:var(--go-soft);color:var(--go);font-weight:700;display:grid;place-items:center;font-size:.9rem;margin-top:.15rem}
.note{background:color-mix(in srgb,var(--gold) 16%,var(--card));border-radius:var(--r-md);padding:.9rem 1.1rem;font-size:.93rem}
.side{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:1rem 1.1rem;margin-bottom:1rem}
.side h2{font-size:1rem;font-weight:700;margin:0 0 .4rem}
@media (min-width:980px){.sidecol{position:sticky;top:1rem}}

/* القوائم */
.links{list-style:none;margin:0;padding:0}
.links li{display:flex;align-items:center;justify-content:space-between;gap:.6rem;padding:.42rem 0;border-bottom:1px solid var(--soft)}
.links li:last-child{border-bottom:0}
.links a{text-decoration:none;font-weight:500}
.links a:hover{color:var(--navy-2);text-decoration:underline}
@media (prefers-color-scheme:dark){.links a:hover{color:#9db8ff}}
@media (min-width:720px){.links.two{columns:2;column-gap:2rem}.links.two li{break-inside:avoid}}
.tiles{list-style:none;margin:0;padding:0;display:grid;gap:.6rem;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.tiles a{display:flex;align-items:center;gap:.7rem;height:100%;padding:.75rem .85rem;border:1.5px solid var(--line);border-radius:var(--r-md);text-decoration:none;background:var(--card);font-weight:600;line-height:1.5}
.tiles a:hover{border-color:var(--sub)}
.tiles .dot{width:2.3rem;height:2.3rem;border-radius:10px;flex:none;display:grid;place-items:center;background:color-mix(in srgb,var(--sub) 14%,var(--card));color:var(--sub);font-weight:700}
.tiles .tt{flex:1;min-width:0}
.tiles small{display:block;font-weight:400;color:var(--muted);font-size:.8rem}
.facts{margin:0;padding-inline-start:1.2rem}.facts li{margin:.2rem 0}
.gal{display:grid;gap:.8rem;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.gal figure{margin:0}.gal img{display:block;width:100%;border-radius:10px;border:1px solid var(--line)}
.kind{flex:none;font-size:.72rem;font-weight:600;border-radius:6px;padding:.05rem .5rem;background:var(--soft);color:var(--ink-2)}
.kind.m{background:#fdf0d5;color:#7a5200}.kind.b{background:#e3ebff;color:#1d3f9e}.kind.h{background:var(--navy);color:#fff}
@media (prefers-color-scheme:dark){.kind.m{background:#3a2e10;color:#f0c766}.kind.b{background:#1a2b63;color:#b9c9ff}.kind.h{background:#2a3c7a}}

/* البحث */
.sform{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.8rem}
.sform input{flex:1;min-width:220px;min-height:3.1rem;padding:.4rem 1rem;font:inherit;color:var(--ink);background:var(--paper);border:2px solid var(--line);border-radius:12px}
.sform input:focus{border-color:var(--navy-2);outline:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;min-height:3rem;padding:.3rem 1.4rem;border-radius:12px;font:600 1rem var(--f);text-decoration:none;border:2px solid transparent;cursor:pointer;background:var(--navy-2);color:#fff}
.btn.p{background:var(--go);color:#fff}.btn.p:hover{background:var(--go-2)}
.btn.g{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}.btn.g:hover{border-color:#fff}

/* الرئيسية */
.hero{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:6px;background:linear-gradient(90deg,#1f8a4c 0 16%,#1e5bd8 16% 32%,#c2362b 32% 48%,#6f3fd6 48% 64%,#d9700f 64% 80%,#0f8f7a 80%)}
.hero-grid{display:grid;gap:2rem;padding-block:2rem 3.2rem}
@media (min-width:960px){.hero-grid{grid-template-columns:1fr 1fr;align-items:center;gap:3rem;padding-block:3rem 4.2rem}}
.hero h1{font-size:clamp(2rem,5.6vw,3.3rem);line-height:1.3;font-weight:700;margin:0 0 .8rem}
.hero .lead{font-size:1.08rem;color:#d1dbf5;max-width:34rem;margin:0 0 1.4rem}
.cta{display:flex;flex-wrap:wrap;gap:.7rem}
.finder{background:var(--card);color:var(--ink);border-radius:var(--r-lg);padding:1.2rem;box-shadow:0 20px 40px rgba(0,0,0,.25)}
.finder h2{font-size:1.15rem;font-weight:700;margin:0 0 .1rem}
.finder p.h{margin:0 0 .7rem;color:var(--muted);font-size:.9rem}
.finder input{width:100%;min-height:3.2rem;padding:.4rem 1rem;font:inherit;color:var(--ink);background:var(--paper);border:2px solid var(--line);border-radius:12px}
.finder input:focus{border-color:var(--navy-2);outline:none}
.qc{display:flex;flex-wrap:wrap;gap:.4rem;margin:.7rem 0 0}
.qc button{font:500 .88rem var(--f);min-height:2.4rem;padding:.1rem .9rem;border-radius:999px;border:1.5px solid var(--line);background:transparent;color:var(--ink);cursor:pointer}
.qc button:hover{border-color:var(--navy-2)}
.res{list-style:none;margin:.8rem 0 0;padding:0;max-height:19rem;overflow:auto;border:1px solid var(--line);border-radius:12px}
.res li{position:relative;display:flex;align-items:center;gap:.6rem;padding:.55rem .8rem;border-bottom:1px solid var(--line)}
.res li:last-child{border-bottom:0}
.res li:hover{background:var(--soft)}
.res .t{flex:1;min-width:0;display:flex;flex-direction:column}
.res a{font-weight:600;text-decoration:none;line-height:1.5}
.res a::after{content:"";position:absolute;inset:0}
.res .dom{direction:ltr;unicode-bidi:isolate;align-self:flex-start;font-size:.76rem;color:var(--muted)}
.msg{margin:.7rem 0 0;font-size:.88rem;color:var(--muted)}
section.blk{padding-block:2.8rem 0}
.blk>h2{font-size:clamp(1.4rem,3.2vw,1.9rem);line-height:1.4;font-weight:700;margin:0 0 .3rem}
.blk .sub{margin:0 0 1.4rem;color:var(--muted);max-width:44rem}
.grades{display:grid;gap:1rem}
@media (min-width:860px){.grades{grid-template-columns:2fr 1fr 1fr}}
.gstage{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:1rem}
.gstage h3{margin:0 0 .7rem;font-size:1rem;font-weight:700;display:flex;align-items:center;gap:.5rem}
.gstage h3::before{content:"";width:.8rem;height:.8rem;border-radius:4px;background:var(--c)}
.gstage.pri{--c:#1f8a4c}.gstage.mid{--c:#1e5bd8}.gstage.prep{--c:#6f3fd6}
.gstage ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:.5rem}
.gstage a{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:5.4rem;padding:.5rem;border-radius:var(--r-md);text-decoration:none;background:color-mix(in srgb,var(--c) 10%,var(--card));border:1.5px solid transparent;line-height:1.35}
.gstage a:hover{border-color:var(--c)}
.gstage .n{font-size:1.9rem;font-weight:700;color:var(--c);line-height:1.1}
.gstage .l{font-size:.82rem;font-weight:500}
.secs{list-style:none;margin:0;padding:0;display:grid;gap:.8rem}
@media (min-width:760px){.secs{grid-template-columns:1fr 1fr}}
.secs li{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:1.1rem 1.2rem;display:flex;flex-direction:column;gap:.3rem}
.secs li:hover{border-color:var(--navy-2)}
.secs h3{font-size:1.08rem;line-height:1.5;font-weight:700;margin:0}
.secs h3 a{text-decoration:none}
.secs h3 a::after{content:"";position:absolute;inset:0}
.secs p{margin:0;color:var(--muted);font-size:.92rem}
.secs .sh{display:flex;justify-content:space-between;align-items:flex-start;gap:.8rem}
.secs .n{flex:none;font-size:.78rem;font-weight:600;background:var(--soft);border-radius:999px;padding:.05rem .7rem}
.pills{display:flex;flex-wrap:wrap;gap:.3rem;margin-top:.3rem}
.pills span{font-size:.76rem;padding:0 .55rem;border-radius:6px;background:var(--paper);color:var(--muted);border:1px solid var(--line)}

/* الموقع الرئيسي */
.sister{margin-top:2rem;background:var(--navy);color:#fff;border-radius:var(--r-lg);padding:1.5rem;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.2rem}
.sister h2{font-size:1.3rem;font-weight:700;margin:0 0 .2rem}
.sister p{margin:0;max-width:38rem;color:#d1dbf5}
.sister .btn{background:var(--gold);color:#1b1200}
.sister .btn:hover{background:#f1bb4a}

/* الاسئلة */
details{border-bottom:1px solid var(--line);padding:.75rem 0}
details:last-child{border-bottom:0}
details summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:1rem}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";font-size:1.3rem;line-height:1;color:var(--navy-2)}
details[open] summary::after{content:"−"}
details p{margin:.45rem 0 0;color:var(--muted);max-width:60ch}
@media (prefers-color-scheme:dark){details summary::after{color:#9db8ff}}

/* التذييل */
.foot{margin-top:3rem;background:var(--navy);color:#c4d0f3;font-size:.92rem}
.fgrid{padding-block:2rem 2.2rem;display:grid;gap:1.4rem}
@media (min-width:720px){.fgrid{grid-template-columns:1.4fr 1fr 1fr}}
@media (min-width:1000px){.fgrid{grid-template-columns:1.5fr 1fr 1fr 1fr 1fr}}
.foot h2{font-size:.98rem;font-weight:700;color:#fff;margin:0 0 .4rem}
.foot p{margin:.25rem 0}
.fbrand{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1.02rem;color:#fff}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:.15rem}
.foot a{color:#fff;text-decoration:none}.foot a:hover{text-decoration:underline}
.soc{display:flex;flex-wrap:wrap;gap:.4rem 1rem}
.copy{opacity:.75;font-size:.85rem}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.top,.foot,.sidecol,.actions,.sister{display:none}}

/* الهاتف: أزرار بعمودين مضغوطة */
@media (max-width:479px){.apanel{padding:.8rem}.agrid{gap:.45rem}.abtn{min-height:3.3rem;padding:.45rem .55rem;gap:.45rem}.abtn small{display:none}.abtn .ic{flex:none}.abtn b{font-size:.86rem}.abtn .ic{width:1.9rem;height:1.9rem;padding:.35rem}.bigdl{min-height:4rem;padding:.8rem 1rem}}