:root{
  --indigo:#4338ca; --indigo-600:#4f46e5; --indigo-50:#eef2ff;
  --teal:#0d9488; --teal-50:#f0fdfa;
  --ink:#1e293b; --muted:#64748b; --line:#e2e8f0;
  --bg:#f6f7fb; --card:#ffffff; --danger:#dc2626; --ok:#16a34a;
  --radius:16px; --shadow:0 6px 24px rgba(30,41,59,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5}
.urdu{font-family:'Noto Nastaliq Urdu',serif;direction:rtl;text-align:right;line-height:2.4}
.hidden{display:none!important}

.app-header{background:linear-gradient(120deg,var(--indigo) 0%,var(--teal) 100%);color:#fff;padding:18px 20px}
.app-header .wrap{max-width:1000px;margin:0 auto;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.logo-badge{width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.18);display:grid;place-items:center;font-weight:800;font-size:20px}
.app-header h1{font-size:20px;margin:0;font-weight:800}
.app-header p{margin:2px 0 0;font-size:13px;opacity:.9}

.container{max-width:1000px;margin:22px auto;padding:0 16px 60px}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;border:1px solid var(--line)}

.progress{display:flex;gap:8px;margin-bottom:22px;flex-wrap:wrap}
.progress .step{flex:1;min-width:110px;font-size:12px;font-weight:600;color:var(--muted);padding:10px;border-radius:10px;background:#f1f5f9;text-align:center;cursor:pointer}
.progress .step.active{background:var(--indigo);color:#fff}
.progress .step.done{background:var(--teal-50);color:var(--teal)}
.progress .step .n{display:inline-block;width:20px;height:20px;line-height:20px;border-radius:50%;background:rgba(255,255,255,.35);margin-right:6px;font-weight:800}

h2.step-title{font-size:19px;margin:0 0 4px}
.step-sub{color:var(--muted);font-size:14px;margin:0 0 20px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:640px){.grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:4px}
.field.full{grid-column:1/-1}
label{font-size:13px;font-weight:600;color:#334155}
label .req{color:var(--danger)}
input[type=text],input[type=number],input[type=email],select,textarea{font-family:inherit;font-size:14px;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);width:100%;transition:border .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--indigo-600);box-shadow:0 0 0 3px var(--indigo-50)}
textarea{resize:vertical;min-height:70px}
.hint{font-size:12px;color:var(--muted)}
.err-msg{font-size:12px;color:var(--danger);margin-top:2px}
.input-err{border-color:var(--danger)!important}

.btn{font-family:inherit;font-weight:600;font-size:14px;border:none;border-radius:10px;padding:11px 18px;cursor:pointer;transition:transform .05s,filter .15s;display:inline-flex;align-items:center;gap:8px;justify-content:center}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--indigo);color:#fff}
.btn-primary:hover{filter:brightness(1.08)}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{filter:brightness(1.08)}
.btn-ghost{background:#f1f5f9;color:#334155}
.btn-ghost:hover{background:#e2e8f0}
.btn-outline{background:#fff;border:1px solid var(--line);color:#334155}
.btn-danger-ghost{background:transparent;color:var(--danger);border:1px solid #fecaca}
.btn-sm{padding:7px 12px;font-size:13px}
.nav-row{display:flex;justify-content:space-between;gap:12px;margin-top:26px}
.nav-row .spacer{flex:1}

.tpl-loader{display:flex;gap:10px;align-items:flex-end;background:var(--teal-50);border:1px solid #99f6e4;border-radius:12px;padding:14px;margin-bottom:18px}

.lang-modes{display:flex;gap:10px;flex-wrap:wrap;margin:4px 0 8px}
.lang-modes .opt{flex:1;min-width:120px;border:2px solid var(--line);border-radius:12px;padding:14px;cursor:pointer;text-align:center;transition:.15s}
.lang-modes .opt:hover{border-color:var(--indigo-600)}
.lang-modes .opt.sel{border-color:var(--indigo);background:var(--indigo-50)}
.lang-modes .opt b{display:block;font-size:15px}
.lang-modes .opt span{font-size:12px;color:var(--muted)}

/* section order chips */
.order-box{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin-bottom:16px}
.order-label{font-size:13px;font-weight:600;color:#334155}
.order-chips{display:flex;gap:8px;flex-wrap:wrap}
.order-chip{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 6px 4px 12px;font-size:12px;font-weight:600}
.order-chip .oc-btn{width:22px;height:22px;border-radius:50%;border:none;background:#eef2ff;color:var(--indigo);cursor:pointer;font-size:12px;line-height:1}
.order-chip .oc-btn:hover{background:var(--indigo);color:#fff}

/* tabs */
.qtabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px;border-bottom:2px solid var(--line);padding-bottom:0}
.qtabs button{border:none;background:transparent;padding:10px 14px;font-family:inherit;font-weight:600;font-size:14px;color:var(--muted);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px}
.qtabs button.active{color:var(--indigo);border-bottom-color:var(--indigo)}
.tabcnt{display:inline-block;min-width:18px;height:18px;line-height:18px;text-align:center;font-size:11px;background:#e2e8f0;border-radius:9px;padding:0 5px;margin-left:4px;color:#475569}
.qtabs button.active .tabcnt{background:var(--indigo);color:#fff}

.section-totals{display:flex;gap:16px;flex-wrap:wrap;margin:0 0 14px;font-size:13px;color:var(--muted)}
.section-totals b{color:var(--ink)}
.attempt-box{display:flex;align-items:center;gap:8px;margin:0 0 14px;font-size:13px;flex-wrap:wrap}
.attempt-box input[type=number]{width:70px}

.q-card{border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:14px;background:#fcfcfd}
.q-card .q-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.q-card .q-num{width:28px;height:28px;border-radius:8px;background:var(--indigo);color:#fff;display:grid;place-items:center;font-weight:700;font-size:13px;flex-shrink:0}
.q-card .q-tools{margin-left:auto;display:flex;gap:6px}
.icon-btn{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:14px;display:grid;place-items:center;color:#475569}
.icon-btn:hover{background:#f1f5f9}
.icon-btn.del:hover{background:#fee2e2;color:var(--danger);border-color:#fecaca}

.opts-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}
@media(max-width:560px){.opts-grid{grid-template-columns:1fr}}
.opt-line{display:flex;align-items:center;gap:8px}
.opt-line .letter{font-weight:700;color:var(--teal);width:18px}
.opt-line .mini-img{flex-shrink:0}

.marks-row{display:flex;align-items:center;gap:10px;margin-top:10px;flex-wrap:wrap}
.marks-row .mk{width:90px}
.correct-row{display:flex;align-items:center;gap:8px;font-size:13px;margin-top:8px}
.per-q-lang{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;font-size:12px}
.per-q-lang button{border:none;background:#fff;padding:5px 12px;cursor:pointer;font-weight:600;color:var(--muted)}
.per-q-lang button.on{background:var(--indigo);color:#fff}

.subparts{margin-top:10px;padding-left:14px;border-left:2px solid var(--line)}
.subpart-line{display:flex;gap:8px;align-items:center;margin-bottom:8px}
.subpart-line .sp-letter{font-weight:700;color:var(--teal)}

/* image attach */
.img-attach{display:flex;align-items:center;gap:10px;margin-top:10px;flex-wrap:wrap}
.img-attach .thumb{height:46px;border-radius:8px;border:1px solid var(--line);object-fit:contain;background:#fff;padding:2px}
.img-attach .file-btn{font-size:12px}
.img-attach .rm{font-size:12px;color:var(--danger);cursor:pointer;background:none;border:none}
.opt-line .opt-img-btn{font-size:11px;padding:4px 8px}
.opt-line .opt-thumb{height:32px;border-radius:6px;border:1px solid var(--line);object-fit:contain}

.add-q{width:100%;border:2px dashed var(--line);background:#fafafa;color:var(--indigo);padding:12px;border-radius:12px;font-weight:600;cursor:pointer}
.add-q:hover{border-color:var(--indigo-600);background:var(--indigo-50)}
.empty-note{color:var(--muted);font-size:13px;text-align:center;padding:14px}

.opts-row{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:14px}
.switch{display:flex;align-items:center;gap:8px;font-size:14px;cursor:pointer}
.grand-banner{background:var(--indigo-50);border:1px solid #c7d2fe;border-radius:12px;padding:12px 16px;margin-bottom:16px;font-size:14px}
.grand-banner b{color:var(--indigo)}
.preview-toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.preview-scroll{background:#e9edf3;border-radius:12px;padding:20px;overflow:auto;max-height:80vh}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#111827;color:#fff;padding:12px 20px;border-radius:10px;font-size:14px;z-index:99;box-shadow:0 8px 30px rgba(0,0,0,.25);opacity:0;transition:opacity .2s,transform .2s;pointer-events:none}
.toast.show{opacity:1}
.modal-back{position:fixed;inset:0;background:rgba(15,23,42,.5);display:none;place-items:center;z-index:100;padding:16px}
.modal-back.show{display:grid}
.modal{background:#fff;border-radius:16px;max-width:400px;width:100%;padding:24px;text-align:center}
.modal h3{margin:0 0 8px}
.modal p{color:var(--muted);font-size:14px;margin:0 0 20px}
.modal .row{display:flex;gap:10px}
.modal .row .btn{flex:1}
.footer-note{text-align:center;color:var(--muted);font-size:12px;margin-top:26px}

.tpl-list{display:flex;flex-direction:column;gap:8px;max-height:300px;overflow:auto}
.tpl-item{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.tpl-item .tname{font-weight:600;font-size:14px;flex:1;word-break:break-word}
.tpl-item .mini{font-size:12px;padding:5px 9px;border-radius:8px;border:1px solid var(--line);background:#fff;cursor:pointer;color:#334155}
.tpl-item .mini.del{color:var(--danger);border-color:#fecaca}
.tpl-import{display:flex;align-items:center;gap:10px;margin-top:14px;border-top:1px solid var(--line);padding-top:14px}
.tpl-empty{color:var(--muted);font-size:13px;text-align:center;padding:12px}

/* Key / portal UI */
.key-display{font-family:'Inter',monospace;font-size:30px;font-weight:800;letter-spacing:6px;color:var(--indigo);background:var(--indigo-50);border:1px dashed #c7d2fe;border-radius:12px;padding:14px;margin:0 0 18px;text-align:center}
.key-input{text-transform:uppercase;text-align:center;font-size:20px;letter-spacing:5px;font-weight:700}

/* Mobile: give the A4 preview more room and let it scale to fit */
@media(max-width:640px){
  .preview-scroll{padding:10px}
  .preview-toolbar .btn{flex:1 1 auto}
  .container{padding:0 10px 60px}
  .card{padding:16px}
}
#paperMount{max-width:100%}