:root{--bg:#f6f7f9;--card:#fff;--ink:#1d2330;--mute:#5d6678;--line:#dfe3ea;--accent:#1f5fbf;--ok:#17803d;--bad:#b42318;--warn:#a15c00}
*{box-sizing:border-box}body{margin:0;font:15px/1.5 system-ui,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink)}
nav{background:#14213d;color:#fff;display:flex;flex-wrap:wrap;gap:4px 14px;align-items:center;padding:10px 18px}
nav a{color:#d7e1f5;text-decoration:none;font-size:14px}nav a:hover{color:#fff}nav b{margin-right:10px;color:#fff}nav .sp{flex:1}
nav .dd{position:relative}nav .ddb{background:none;border:0;color:#d7e1f5;font:inherit;font-size:14px;cursor:pointer;padding:4px 2px}nav .dd:hover>.ddb,nav .dd.open>.ddb{color:#fff}nav .dd.on>.ddb{color:#fff;box-shadow:0 2px 0 #7fb0ff}
nav .ddm{display:none;position:absolute;top:100%;left:-10px;background:#1b2c52;border-radius:6px;padding:6px 0;min-width:200px;z-index:40;box-shadow:0 8px 20px rgba(0,0,0,.35)}nav .dd:hover>.ddm,nav .dd.open>.ddm,nav .dd:focus-within>.ddm{display:block}
nav .ddm a{display:block;padding:8px 16px;white-space:nowrap}nav .ddm a:hover,nav a.cur{color:#fff}nav .ddm a:hover{background:#26396b}nav .ddm a.cur{background:#223764}
nav form{display:inline}nav button{background:none;border:0;color:#d7e1f5;cursor:pointer;font:inherit;padding:0}
main{max-width:1100px;margin:22px auto;padding:0 16px}h1{font-size:22px;margin:0 0 14px}h2{font-size:17px;margin:22px 0 8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:16px}
table{width:100%;border-collapse:collapse;background:var(--card)}th,td{padding:7px 9px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:14px}
th{background:#eef1f6;font-weight:600}input,select,textarea{font:inherit;padding:6px 8px;border:1px solid #c3c9d6;border-radius:6px;max-width:100%}
textarea{width:100%}label{display:block;margin:8px 0 3px;font-weight:600;font-size:13px}label.i{display:inline-block;font-weight:400;margin:2px 12px 2px 0}
button,.btn{background:var(--accent);color:#fff;border:0;border-radius:6px;padding:7px 14px;cursor:pointer;text-decoration:none;font:inherit;display:inline-block}
button.sec,.btn.sec{background:#e5e9f1;color:var(--ink)}button.bad{background:var(--bad)}button.sm{padding:3px 9px;font-size:13px}
.flash{padding:9px 13px;border-radius:6px;margin-bottom:10px}.flash.ok{background:#e3f4e8;color:var(--ok)}.flash.error{background:#fde8e6;color:var(--bad)}.flash.info{background:#fff3dc;color:var(--warn)}
.row{display:flex;flex-wrap:wrap;gap:12px}.row>*{flex:1;min-width:180px}.mute{color:var(--mute);font-size:13px}.tag{display:inline-block;background:#e5ecfa;color:#1f4a99;border-radius:10px;padding:1px 9px;font-size:12px;margin:1px 2px}
.stat{display:inline-block;margin-right:26px}.stat b{font-size:24px;display:block}.good{color:var(--ok)}.badc{color:var(--bad)}
.q{border:1px solid var(--line);border-radius:8px;padding:14px;margin-bottom:12px;background:#fff}.q img,main img{max-width:100%;height:auto}
.opt{display:block;padding:6px 10px;border:1px solid var(--line);border-radius:6px;margin:5px 0;cursor:pointer}.opt:hover{background:#f1f5fc}
.pal button{margin:2px;min-width:34px;padding:4px 6px;background:#e5e9f1;color:var(--ink)}.pal button.done{background:#cfe9d6}.pal button.cur{outline:2px solid var(--accent)}
#timer{position:sticky;top:0;background:#fff3dc;padding:6px 12px;border-radius:6px;font-weight:600;float:right}
@media print{nav,.noprint{display:none}body{background:#fff}main{margin:0;max-width:none}.card{border:0}.pb{page-break-after:always}}

.rich{white-space:pre-wrap}img.fig{max-width:100%;display:block;margin:8px 0}
.cropper{position:relative;display:inline-block;max-width:100%;touch-action:none;cursor:crosshair;user-select:none}.cropper img{max-width:100%;display:block}.cropper .sel{position:absolute;border:2px dashed #e0245e;background:rgba(224,36,94,.12);pointer-events:none}
.imgbox{border:1px dashed #b7c4e0;border-radius:8px;padding:10px;margin:8px 0}