:root{--navy:#0d2341;--navy2:#15365d;--blue:#1764d6;--bg:#f3f6fb;--text:#17263b;--muted:#63748a;--border:#dde4ef;--white:#fff;--green:#14805e}*{box-sizing:border-box}body{margin:0;background:var(--bg);font:14px/1.52 Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:var(--text)}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:default}.topbar{height:76px;background:var(--navy);color:#fff;display:flex;justify-content:space-between;align-items:center;padding:0 max(28px,calc((100vw - 1540px)/2));gap:12px}.brand{display:flex;align-items:center;gap:13px;font-size:13px;letter-spacing:.8px}.brand-icon{height:42px;width:42px;display:grid;place-items:center;border-radius:12px;background:#2573df;font-weight:900;font-size:26px}.brand b{display:block;font-size:16px;letter-spacing:0}.brand small{display:block;color:#abc1db;font-size:10px;letter-spacing:.4px}.top-label{color:#b2c9e7;font-size:12px}.layout{max-width:1540px;margin:auto;display:grid;grid-template-columns:242px minmax(0,1fr);gap:26px;padding:28px}.sidebar{padding:24px 14px 0 0}.step{display:flex;gap:13px;align-items:center;margin-bottom:29px;color:#627187}.step>span{border:1px solid #c8d2e0;width:40px;height:40px;display:grid;place-items:center;border-radius:12px;font-weight:700}.step b{display:block}.step small{display:block}.step.active{color:var(--blue)}.step.active>span{background:#e1ecff;border-color:#c5d9ff}.side-note{background:#eaf0f9;border-radius:12px;padding:17px;color:#4c6483;font-size:12px;margin-top:38px}.side-note p{margin-bottom:0}.workspace{min-width:0}.hero{background:linear-gradient(115deg,#123251,#194f88);color:white;padding:27px 33px;border-radius:16px;margin-bottom:19px}.eyebrow{font-weight:800;letter-spacing:2px;color:#99c5ff;font-size:11px;margin:0}.hero h1{font-size:25px;margin:6px 0 4px}.hero p:last-child{margin:0;max-width:770px;color:#d7e4f7}.panel{background:white;border:1px solid var(--border);border-radius:14px;padding:22px;margin:17px 0;box-shadow:0 4px 22px #1b34500a}.panel-title{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:17px}.panel h2{margin:0;font-size:17px}.panel-title p{margin:2px 0 0;color:var(--muted)}.tag{background:#eaf1ff;color:#3564ac;padding:6px 9px;border-radius:8px;font-size:11px}.drop{border:2px dashed #b4c4dd;border-radius:12px;background:#f8fbff;text-align:center;padding:23px 10px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:5px}.drop.drag{background:#e5efff;border-color:var(--blue)}.drop small,.hint{color:var(--muted)}.upload-icon{height:39px;width:39px;border-radius:11px;background:#e3edfd;color:var(--blue);font-size:27px;line-height:39px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.btn{border:1px solid transparent;padding:9px 14px;border-radius:9px;font-weight:650;white-space:normal}.btn.primary{background:var(--blue);color:white}.btn.primary:hover{background:#114fb0}.btn.secondary{background:#eef4ff;color:#1d4d8e;border-color:#d7e4fc}.btn.ghost{background:white;border-color:#d9e1ee;color:#425771}.status{font-size:12px;color:#59718c;margin-top:12px}.status.error{color:#bc3333}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat{background:#fff;border:1px solid var(--border);border-radius:12px;padding:13px 17px}.stat b{font-size:23px;display:block;color:#1b3655;line-height:1.3}.stat small{color:var(--muted)}.editor-tools{display:flex;gap:10px;margin-bottom:14px}.editor-tools input{flex:1}.editor-tools input,.editor-tools select,.config-grid select,.q-card textarea,.q-card input{border:1px solid #d5dfec;border-radius:8px;padding:9px;background:#fff;min-width:0}.question-list{display:grid;gap:12px;max-height:720px;overflow:auto;padding-right:3px}.empty{text-align:center;color:#7c8da5;padding:45px;border:1px dashed var(--border);border-radius:10px}.q-card{border:1px solid #d9e2ee;border-radius:10px;padding:16px}.q-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}.q-head strong{font-size:14px}.q-head span{font-size:11px;color:var(--muted)}.q-actions{display:flex;gap:6px;flex-wrap:wrap}.mini{padding:5px 9px;border-radius:6px;background:#f1f5fa;border:1px solid #dae3ed;color:#365475}.danger{color:#b34a4a}.q-card label{display:grid;gap:4px;font-size:12px;color:#50637a;font-weight:650;margin:7px 0}.q-card textarea{resize:vertical;width:100%;min-height:64px}.q-card input{width:100%}.option-grid{display:grid;grid-template-columns:1fr 1fr;gap:3px 12px}.config-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.config-grid label{font-size:12px;font-weight:700;display:grid;gap:5px;color:#425772}.checkline{display:flex;align-items:center;gap:7px;margin-top:14px;color:#486076}.bottom-actions{justify-content:flex-end}.hint{font-size:12px;margin-bottom:0}.print-root{display:none}dialog{border:0;border-radius:13px;width:min(880px,95vw);max-height:90vh;padding:0;box-shadow:0 22px 75px #122f4b50}dialog::backdrop{background:#071a2b9c}.dialog-head{padding:16px 20px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #dce4ee}.preview-content{padding:25px;background:#e8edf4;max-height:78vh;overflow:auto}.preview-page{background:white;padding:38px;width:min(100%,750px);margin:auto;box-shadow:0 8px 28px #1233}.sheet-head{text-align:center;border-bottom:1px solid #ddd;padding-bottom:9px;margin:0 0 13px;font-size:11pt;font-weight:700}.questions-flow{column-count:1;column-gap:10mm}.questions-flow.cols2{column-count:2}.paper-question{break-inside:avoid;page-break-inside:avoid;margin-bottom:9px;overflow-wrap:anywhere;line-height:1.3}.paper-question .stem{font-weight:650;white-space:pre-wrap;margin-bottom:4px}.paper-question .opt{white-space:pre-wrap;margin-left:13px;text-indent:-13px}.paper-question .answer{margin-top:4px;color:#154e99;font-weight:700;white-space:pre-wrap}.paper-question .source{font-size:.8em;color:#777}.paper-question .chosen{font-weight:750}.paper-question .essay-answer{font-weight:400;color:#243751}.print-doc{font-family:Arial,Helvetica,sans-serif;color:#111}@media(max-width:960px){.layout{grid-template-columns:1fr;padding:16px}.sidebar{display:none}.config-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.topbar{padding:0 14px}.top-label{display:none}.hero{padding:20px}.hero h1{font-size:21px}.stats{grid-template-columns:1fr 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@page{size:A4;margin:11mm 12mm} @media print{body{background:white!important}.topbar,.layout,dialog{display:none!important}.print-root{display:block!important}.print-doc{font-size:10pt}.sheet-head{font-size:11pt}.questions-flow.cols2{column-count:2;column-gap:8mm}.paper-question{break-inside:avoid;page-break-inside:avoid}.paper-question .answer{color:#000!important} }

/* Admin interface and export decorations v1.1 */
.topbar a.top-label{color:#c8dafa;text-decoration:none}.auth-wrap{min-height:calc(100vh - 76px);display:grid;place-items:center;padding:20px}.auth-panel{width:min(440px,100%)}.auth-panel form,.admin-layout form{display:grid;gap:13px}.auth-panel label,.admin-layout form>label,.admin-grid label{display:grid;gap:6px;font-size:13px;font-weight:650;color:#425772}.auth-panel input,.admin-layout input:not([type=checkbox]),.admin-layout select{border:1px solid #cbd5e1;border-radius:8px;padding:10px;min-width:0;width:100%;background:white}.auth-panel .alert{color:#b42318;font-weight:bold}.admin-layout{max-width:1200px;margin:auto;padding:25px;display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:start}.admin-layout .panel{margin:0}.admin-layout h1{font-size:24px;margin:0 0 6px}.admin-layout h2{margin:5px 0}.admin-layout p{color:#617187}.admin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.admin-sheet{position:relative;background:#fff;aspect-ratio:210/297;border:1px solid #dbe3ee;overflow:hidden;padding:10%;box-shadow:0 7px 23px #10253b1a}.admin-sheet .mock-content{font:12px/1.7 Arial;position:relative;z-index:1}.admin-wm{position:absolute;top:48%;left:50%;max-width:90%;text-align:center;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1;pointer-events:none;z-index:2}.admin-footer{position:absolute;bottom:18px;left:30px;right:30px;border-top:1px solid #ddd;padding-top:8px;white-space:pre-wrap;overflow-wrap:anywhere;z-index:2}.print-root .export-footer,.print-root .export-watermark{display:none}.preview-page{position:relative;min-height:970px;overflow:hidden}.preview-page .export-footer{display:block;position:absolute;bottom:18px;left:30px;right:30px;border-top:1px solid #ddd;padding-top:5px;white-space:pre-wrap;overflow-wrap:anywhere}.preview-page .export-watermark{display:block;position:absolute;top:47%;left:50%;max-width:85%;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.1;text-align:center;pointer-events:none;z-index:3}.preview-page .print-doc{padding-bottom:22px}@media(max-width:850px){.admin-layout{grid-template-columns:1fr}}@media(max-width:520px){.admin-grid{grid-template-columns:1fr}}
@media print{.print-root .export-footer{display:block!important;position:fixed;bottom:0;left:0;right:0;padding-top:2mm;border-top:.2mm solid #ccc;line-height:1.3;white-space:pre-wrap;overflow-wrap:anywhere;color:#444;z-index:5}.print-root .export-watermark{display:block!important;position:fixed;top:44%;left:50%;max-width:80%;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.1;text-align:center;pointer-events:none;z-index:4}.print-root .print-doc{position:relative;z-index:1}@page{margin:11mm 12mm 20mm 12mm}}