:root{
  --navy:#071A3D; --blue:#1455D9; --cyan:#00CFE8; --bg:#F8FAFC; --ink:#172033; --card:#fff;
  --line:#e2e8f0; --muted:#64748b; --ok:#16a34a; --bad:#dc2626;
  --grad:linear-gradient(135deg,#1455D9,#00CFE8);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}
a{color:var(--blue)}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
header.site{background:var(--navy);position:sticky;top:0;z-index:20}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{color:#fff;font-weight:800;font-size:22px;text-decoration:none;letter-spacing:.5px}
.logo span{color:var(--cyan)}
header.site nav a{color:#cbd5e1;text-decoration:none;margin-left:18px;font-size:14px}
header.site nav a:hover{color:var(--cyan)}
.hero{background:var(--navy);color:#fff;padding:48px 0 56px;text-align:center}
.hero h1{font-size:clamp(28px,5vw,44px);margin:0 0 10px}
.hero p{color:#b6c3dc;max-width:620px;margin:0 auto 22px}
.hero input{width:min(480px,100%);padding:14px 18px;border-radius:999px;border:0;font-size:16px}
.badges{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.badges span{background:rgba(255,255,255,.1);color:#e2ecff;padding:5px 12px;border-radius:999px;font-size:13px}
.cats{display:flex;gap:8px;flex-wrap:wrap;margin:26px 0 8px}
.cats button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 16px;cursor:pointer;font-size:14px;color:var(--ink)}
.cats button.on{background:var(--blue);color:#fff;border-color:var(--blue)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin:14px 0 40px}
.tcard{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;text-decoration:none;color:var(--ink);transition:.15s;display:block;position:relative}
.tcard:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(7,26,61,.1);border-color:var(--cyan)}
.tcard .ic{font-size:28px}
.tcard h3{margin:8px 0 4px;font-size:17px}
.tcard p{margin:0;color:var(--muted);font-size:14px}
.tcard .new{position:absolute;top:12px;right:12px;background:var(--grad);color:#fff;font-size:11px;padding:2px 8px;border-radius:999px}
.tool-head{padding:28px 0 6px}
.tool-head h1{margin:0 0 4px;font-size:clamp(24px,4vw,34px);color:var(--navy)}
.tool-head p{margin:0;color:var(--muted)}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:6px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin:16px 0}
.row{display:flex;gap:14px;flex-wrap:wrap}
.row>*{flex:1 1 200px}
label{display:block;font-size:13px;font-weight:600;margin:10px 0 4px;color:var(--navy)}
input[type=text],input[type=number],input[type=date],input[type=search],select,textarea{width:100%;padding:10px 12px;border:1px solid #cbd5e1;border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
textarea{min-height:160px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--cyan);border-color:var(--cyan)}
.btn{display:inline-block;border:0;border-radius:10px;padding:11px 20px;font:inherit;font-weight:600;cursor:pointer;background:var(--blue);color:#fff;text-decoration:none}
.btn:hover{filter:brightness(1.1)}
.btn.grad{background:var(--grad)}
.btn.ghost{background:#fff;color:var(--blue);border:1px solid var(--blue)}
.btn.sm{padding:6px 12px;font-size:13px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.drop{border:2px dashed #94a3b8;border-radius:14px;padding:34px 16px;text-align:center;background:#f1f5f9;cursor:pointer;color:var(--muted)}
.drop.over{border-color:var(--cyan);background:#e6fbff}
.drop b{color:var(--navy)}
.result{background:linear-gradient(135deg,#eef4ff,#e6fbff);border-radius:12px;padding:16px;margin-top:14px}
.big{font-size:30px;font-weight:800;color:var(--navy)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:12px}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px}
.stat small{color:var(--muted);display:block}
.stat b{font-size:20px;color:var(--navy)}
.list{list-style:none;padding:0;margin:12px 0 0}
.list li{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 10px;margin-bottom:8px}
.list img{width:48px;height:48px;object-fit:cover;border-radius:6px}
.list .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}
.list .sz{color:var(--muted);font-size:12px}
.note{font-size:13px;color:var(--muted)}
.ok{color:var(--ok)} .bad{color:var(--bad)}
.urdu{font-family:"Noto Nastaliq Urdu","Jameel Noori Nastaleeq",serif;direction:rtl;line-height:2.2}
.kb{display:flex;flex-direction:column;gap:6px;margin-top:12px;direction:ltr}
.kb .kr{display:flex;gap:6px;justify-content:center;flex-wrap:wrap}
.kb button{min-width:42px;height:44px;border:1px solid #cbd5e1;background:#fff;border-radius:8px;font-size:20px;cursor:pointer;font-family:"Noto Nastaliq Urdu",serif}
.kb button:hover{background:var(--cyan);color:#fff}
.kb button.wide{min-width:120px;font-family:inherit;font-size:14px}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.tabs button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 14px;cursor:pointer;font:inherit}
.tabs button.on{background:var(--navy);color:#fff}
.seo{margin:36px 0;color:#334155;font-size:15px}
.seo h2{font-size:20px;color:var(--navy)}
footer.site{background:var(--navy);color:#94a3b8;padding:28px 0;margin-top:40px;font-size:14px}
footer.site a{color:#cbd5e1;margin-right:14px}
.related{display:flex;gap:10px;flex-wrap:wrap}
.related a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;text-decoration:none;font-size:14px;color:var(--ink)}
.related a:hover{border-color:var(--cyan)}
/* exam paper */
.tpls{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}
.tpl{border:2px solid var(--line);border-radius:12px;padding:10px;background:#fff;cursor:pointer;text-align:center}
.tpl.on{border-color:var(--blue);box-shadow:0 0 0 3px rgba(20,85,217,.15)}
.tpl .mini{height:120px;background:#fff;border:1px solid #cbd5e1;margin-bottom:8px;padding:6px;font-size:6px;text-align:left;overflow:hidden}
.tpl .mini i{display:block;height:3px;background:#94a3b8;margin:3px 0}
.tpl .mini .t{height:6px;background:#172033;margin:2px auto;width:60%}
.paperwrap{overflow:auto;background:#cbd5e1;padding:14px;border-radius:12px}
.paper{background:#fff;color:#000;width:794px;min-height:1123px;margin:0 auto;padding:48px 56px;font-family:"Times New Roman",Times,serif;font-size:15px;line-height:1.5;box-shadow:0 2px 10px rgba(0,0,0,.2)}
.paper.urdu-paper{font-family:"Noto Nastaliq Urdu",serif;direction:rtl;line-height:2.1}
.paper h1,.paper h2,.paper h3{margin:0;color:#000}
.paper .q{margin:10px 0;break-inside:avoid}
.paper .opts{display:grid;grid-template-columns:1fr 1fr;gap:2px 20px;margin:4px 0 0 28px}
.paper .sec{margin:18px 0 6px;font-weight:700;border-bottom:1.5px solid #000;display:flex;justify-content:space-between}
.paper table{width:100%;border-collapse:collapse}
.paper td{padding:3px 4px;vertical-align:top}
.qrow{display:flex;gap:8px;align-items:flex-start;margin-bottom:8px}
.qrow textarea{min-height:56px}
.qrow .num{padding-top:10px;font-weight:700;width:28px}
@media(max-width:640px){header.site nav a:not(:first-child){display:none}.paper{transform-origin:top left}}
@media print{
  body *{visibility:hidden}
  #printArea,#printArea *{visibility:visible}
  #printArea{position:absolute;left:0;top:0;width:100%}
  .paper{box-shadow:none;width:100%;padding:0;zoom:1!important}
  .paperwrap{background:none;padding:0;overflow:visible}
  @page{size:A4;margin:14mm}
}