:root{--ink:#17243b;--muted:#667085;--navy:#173c69;--blue:#2c6fb5;--pale:#eef4fa;--line:#dbe3ec;--white:#fff;--danger:#b42318;--warn:#b54708;--green:#027a48;--shadow:0 20px 55px rgba(23,60,105,.12)}
*{box-sizing:border-box}body{margin:0;background:#f4f7fa;color:var(--ink);font-family:"Segoe UI","Microsoft YaHei",system-ui,sans-serif;line-height:1.55}.site-header{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 clamp(20px,5vw,72px)}.brand{display:flex;align-items:center;gap:12px;font-weight:700;letter-spacing:.04em}.brand-mark{width:34px;height:38px;display:grid;place-items:center;background:var(--navy);color:white;clip-path:polygon(50% 0,94% 16%,87% 72%,50% 100%,13% 72%,6% 16%);font-size:14px}main{min-height:calc(100vh - 120px)}footer{text-align:center;color:#8490a2;font-size:13px;padding:20px}
.auth-shell,.training-shell{min-height:calc(100vh - 120px);display:grid;place-items:center;padding:36px 20px;background:radial-gradient(circle at 85% 5%,#dfeefa 0,transparent 32%),linear-gradient(135deg,#f7f9fb,#edf3f8)}.auth-card,.training-card{width:min(100%,480px);background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:42px}.auth-card.compact{max-width:430px}.notice-strip{position:absolute;top:92px;color:var(--navy);font-size:13px;letter-spacing:.12em}.shield-icon{width:52px;height:58px;margin-bottom:22px;display:grid;place-items:center;background:var(--navy);color:#fff;clip-path:polygon(50% 0,94% 16%,87% 72%,50% 100%,13% 72%,6% 16%);font-size:24px}.eyebrow{margin:0 0 8px;color:var(--blue);font-size:12px;font-weight:700;letter-spacing:.16em}h1{font-size:clamp(25px,4vw,34px);line-height:1.25;margin:0 0 14px}h2{font-size:18px;margin:0}.muted{color:var(--muted);margin:0 0 28px}
label{display:block;font-weight:600;font-size:14px;margin:17px 0 7px}input,select{width:100%;border:1px solid #cbd5e1;border-radius:5px;padding:12px 13px;font:inherit;background:#fff;color:var(--ink)}input:focus,select:focus{outline:3px solid rgba(44,111,181,.15);border-color:var(--blue)}button,.button{font:inherit}.primary,.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:5px;text-decoration:none;cursor:pointer}.primary{width:100%;padding:13px 18px;margin-top:22px;background:var(--navy);color:#fff;font-weight:700}.primary:disabled{opacity:.65}.trust-note{margin-top:24px;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:#7c899b}.error,.success{padding:11px 13px;border-radius:5px;font-size:14px}.error{color:var(--danger);background:#fef3f2}.success{color:var(--green);background:#ecfdf3}
.training-card{width:min(100%,920px)}.lesson-badge{display:inline-block;padding:5px 10px;border-radius:3px;background:#e7f0f9;color:var(--navy);font-size:12px;font-weight:700;letter-spacing:.08em}.lead{font-size:17px;color:#475467;max-width:760px}.lesson-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:32px 0}.lesson-grid article{padding:22px;border:1px solid var(--line);background:#fbfcfd}.lesson-grid article>span{color:var(--blue);font-weight:800;font-size:12px}.lesson-grid p{color:var(--muted);margin:8px 0 0}.action-box{border-left:4px solid var(--blue);background:var(--pale);padding:18px 20px}.action-box p{margin:4px 0 0}
.admin-shell{width:min(1440px,calc(100% - 40px));margin:0 auto;padding:42px 0 64px}.admin-shell.narrow{max-width:760px}.admin-head,.panel-head,.actions{display:flex;justify-content:space-between;align-items:center;gap:12px}.actions{flex-wrap:wrap}.actions form{margin:0}.button{padding:9px 13px;font-size:14px}.button.secondary{background:var(--navy);color:#fff}.button.ghost{border:1px solid var(--line);background:#fff;color:var(--ink)}.button.small{width:auto;margin:0}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:28px 0}.metric-grid article,.panel{background:#fff;border:1px solid var(--line);border-radius:7px}.metric-grid article{padding:24px}.metric-grid span{display:block;color:var(--muted);font-size:14px}.metric-grid strong{font-size:36px}.metric-grid small{margin-left:10px;color:var(--blue);font-weight:700}.panel{margin:18px 0;padding:22px}.panel-head{margin-bottom:18px}.panel-head p{margin:2px 0;color:var(--muted);font-size:13px}.filters{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:10px;margin:15px 0}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;white-space:nowrap}th,td{padding:12px;text-align:left;border-bottom:1px solid #e8edf2;font-size:14px}th{font-size:12px;color:#667085;text-transform:uppercase;background:#f8fafc}.status{font-size:12px}.status.warn{color:var(--warn)}.status.danger{color:var(--danger)}.status.neutral{color:#98a2b3}.empty{text-align:center;color:var(--muted);padding:30px}.back-link{display:inline-block;margin-bottom:18px;color:var(--navy);text-decoration:none}.import-panel{padding:34px}.format-example{margin-top:28px;padding:16px;background:#f8fafc;border:1px solid var(--line)}pre{white-space:pre-wrap;color:#475467}
@media(max-width:760px){.auth-card,.training-card{padding:28px 22px}.lesson-grid,.metric-grid{grid-template-columns:1fr}.admin-head,.panel-head{align-items:flex-start;flex-direction:column}.filters{grid-template-columns:1fr}.notice-strip{display:none}.site-header{height:60px}.admin-shell{width:min(100% - 24px,1440px);padding-top:24px}}