:root{--bg:#0d1220;--panel:#141b2d;--panel2:#1a2337;--line:#26304a;--txt:#e8ecf5;--mut:#93a0ba;--amber:#f5a11c;--amber2:#ffbd4f;--ok:#3ddc84;--err:#ff6b6b;--mono:"JetBrains Mono",monospace;--disp:"Chakra Petch",sans-serif;--body:"Inter",sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--txt);font-family:var(--body);font-size:15px;line-height:1.65;min-height:100vh}a{color:var(--amber2);text-decoration:none}.wrap{max-width:1080px;margin:0 auto;padding:0 20px}.topnav{border-bottom:1px solid var(--line);background:#0d1220eb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0;z-index:50}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:62px}.brand{display:flex;align-items:center;gap:9px}.brand-logo{height:24px;width:auto;display:block}.brand-sub{font-family:var(--disp);font-size:12px;letter-spacing:3px;color:var(--amber);font-weight:600}.nav-links{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.btn{display:inline-block;padding:9px 18px;border-radius:8px;border:1px solid var(--line);background:var(--panel2);color:var(--txt);font-family:var(--disp);font-weight:600;font-size:14px;cursor:pointer;letter-spacing:.4px}.btn-primary{background:var(--amber);border-color:var(--amber);color:#171204}.btn-primary:hover{background:var(--amber2)}.btn-ghost{background:transparent}.btn-block{width:100%;text-align:center}.btn:disabled{opacity:.5;cursor:not-allowed}h1,h2,h3{font-family:var(--disp);letter-spacing:.3px}.hero{padding:70px 0 40px;text-align:center}.hero h1{font-size:40px;line-height:1.2;margin-bottom:14px}.hero .accent{color:var(--amber)}.sub{color:var(--mut);max-width:640px;margin:0 auto 26px}.stat-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin:30px 0}.stat{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 24px;text-align:center}.stat b{font-family:var(--disp);font-size:22px;color:var(--amber);display:block}.stat span{color:var(--mut);font-size:13px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:26px}.form-card{max-width:440px;margin:48px auto}.flabel{display:block;font-size:13px;color:var(--mut);margin:14px 0 6px;font-weight:500}.input,textarea.input,select.input{width:100%;padding:11px 13px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--txt);font-family:var(--body);font-size:15px}.input:focus{outline:none;border-color:var(--amber)}.alert{padding:12px 16px;border-radius:8px;margin:14px 0;font-size:14px}.alert-ok{background:#3ddc8414;border:1px solid rgba(61,220,132,.35);color:var(--ok)}.alert-err{background:#ff6b6b14;border:1px solid rgba(255,107,107,.35);color:var(--err)}.mod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:16px;margin:26px 0}.etag{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px;position:relative;clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,0 100%);transition:border-color .15s}.etag:hover{border-color:var(--amber)}.etag .mnum{font-family:var(--mono);font-size:12px;color:var(--amber);letter-spacing:1px}.etag h3{margin:6px 0 8px;font-size:17px}.etag p{color:var(--mut);font-size:13.5px;margin-bottom:14px}.etag.locked{opacity:.55}.chain{display:flex;gap:4px;margin-top:10px}.chain i{flex:1;height:5px;border-radius:3px;background:var(--line)}.chain i.done{background:var(--ok)}.chain i.next{background:var(--amber)}.task-list{margin-top:18px}.task-row{display:flex;align-items:center;gap:14px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:15px 18px;margin-bottom:10px}.task-row.locked{opacity:.5}.tstate{font-family:var(--mono);font-size:11px;letter-spacing:1px;padding:4px 9px;border-radius:6px;border:1px solid var(--line);white-space:nowrap}.tstate.done{color:var(--ok);border-color:#3ddc8466}.tstate.next{color:var(--amber);border-color:#f5a11c80}.lesson{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:28px;margin:20px 0}.lesson h4{color:var(--amber2);margin:20px 0 8px;font-family:var(--disp)}.lesson p{margin:10px 0}.lesson ul{margin:10px 0 10px 22px}.lesson li{margin:6px 0}.path{display:inline-block;font-family:var(--mono);font-size:12.5px;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:5px 10px;margin:5px 0;color:var(--amber2);word-break:break-all}.note{background:#f5a11c12;border-left:3px solid var(--amber);border-radius:0 8px 8px 0;padding:12px 16px;margin:14px 0;font-size:14px}.dl-chip{display:inline-flex;align-items:center;gap:8px;background:var(--panel2);border:1px solid var(--amber);border-radius:8px;padding:10px 16px;font-family:var(--mono);font-size:13px;color:var(--amber2);margin:12px 0;cursor:pointer}.progressbar{height:8px;background:var(--line);border-radius:4px;overflow:hidden;margin:8px 0}.progressbar i{display:block;height:100%;background:linear-gradient(90deg,var(--amber),var(--amber2))}table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}.tbl th{font-family:var(--disp);text-align:left;color:var(--mut);font-weight:600;padding:9px 10px;border-bottom:1px solid var(--line);font-size:12.5px;letter-spacing:.5px}.tbl td{padding:9px 10px;border-bottom:1px solid var(--line)}.badge{font-family:var(--mono);font-size:11px;padding:3px 8px;border-radius:5px;border:1px solid var(--line)}.badge.ok{color:var(--ok)}.badge.warn{color:var(--amber)}.badge.err{color:var(--err)}.admin-layout{display:grid;grid-template-columns:220px 1fr;gap:24px;padding:24px 0}.admin-side{display:flex;flex-direction:column;gap:6px}.admin-side a{padding:10px 14px;border-radius:8px;color:var(--mut);font-family:var(--disp);font-size:14px}.admin-side a.active,.admin-side a:hover{background:var(--panel);color:var(--amber)}.footer{border-top:1px solid var(--line);margin-top:70px;padding:26px 0;color:var(--mut);font-size:13px;text-align:center}.mono{font-family:var(--mono)}.mut{color:var(--mut)}@media (max-width:760px){.admin-layout{grid-template-columns:1fr}.hero h1{font-size:30px}}@media (max-width: 720px){.nav-inner{display:flex;flex-wrap:nowrap;align-items:center;gap:8px;height:auto;min-height:54px;padding-top:8px;padding-bottom:8px}.brand{flex:0 1 auto;min-width:0;overflow:hidden}.brand-logo{max-height:26px;width:auto}.brand-sub{font-size:10px;letter-spacing:.1em}.nav-links{margin-left:auto;display:flex;gap:6px;flex:0 1 auto;min-width:0}.nav-links .btn,.nav-links button{padding:8px 10px;font-size:12.5px;line-height:1.2;white-space:nowrap;min-height:38px}.topnav{position:relative;z-index:20}}@media (max-width: 400px){.nav-links .btn,.nav-links button{padding:8px 7px;font-size:11.5px}.brand-logo{max-height:22px}.brand-sub{display:none}}.lesson{line-height:1.62}.lesson>*:first-child{margin-top:0}.lesson h2{font-size:1.28rem;margin:1.7em 0 .5em;padding-bottom:.3em;border-bottom:1px solid rgba(255,255,255,.13)}.lesson h3{font-size:1.08rem;margin:1.4em 0 .4em}.lesson p{margin:0 0 1em}.lesson ul,.lesson ol{padding-left:20px;margin:0 0 1.1em}.lesson li{margin-bottom:.4em}.lesson blockquote{margin:0 0 1.2em;padding:2px 0 2px 14px;border-left:3px solid var(--amber, #f5a11c);opacity:.9}.lesson img{max-width:100%;height:auto}.lesson code{font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:.88em;background:#ffffff12;padding:1px 5px;border-radius:4px;word-break:break-word}.lesson .codeblock{margin:0 0 1.3em;border:1px solid rgba(255,255,255,.14);border-radius:8px;overflow:hidden;background:#00000052}.lesson .codeblock__name{padding:7px 12px;font-family:ui-monospace,Consolas,monospace;font-size:12px;letter-spacing:.04em;color:var(--amber, #f5a11c);background:#ffffff0d;border-bottom:1px solid rgba(255,255,255,.12)}.lesson .codeblock__name span{opacity:.55}.lesson .codeblock pre{margin:0;padding:12px 14px;overflow-x:auto;-webkit-overflow-scrolling:touch;font-size:12.5px;line-height:1.55;white-space:pre}.lesson .codeblock pre code{background:none;padding:0;font-size:inherit;white-space:pre;word-break:normal}.lesson pre.ascii{margin:0 0 1.3em;padding:12px 14px;border:1px solid rgba(255,255,255,.14);border-radius:8px;background:#00000052;color:#b9e36a;font-family:ui-monospace,Consolas,monospace;font-size:11.5px;line-height:1.45;white-space:pre;overflow-x:auto;-webkit-overflow-scrolling:touch}.lesson .note{display:block;margin:0 0 1.3em;padding:12px 14px;border:1px solid rgba(255,255,255,.12);border-left:3px solid rgba(255,255,255,.3);border-radius:8px;background:#ffffff0a}.lesson .note__t{display:block;margin-bottom:6px;font-size:13px;letter-spacing:.02em}.lesson .note p:last-child{margin-bottom:0}.lesson .note--risk{border-left-color:#d0473a;background:#d0473a17}.lesson .note--risk .note__t{color:#ff9b8e}.lesson .note--tip{border-left-color:#7fb539;background:#7fb53917}.lesson .note--tip .note__t{color:#b7e06a}.lesson .note--law{border-left-color:#35a3a0;background:#35a3a017}.lesson .note--law .note__t{color:#7fd6d3}.lesson .note--note{border-left-color:var(--amber, #f5a11c);background:#f5a11c14}.lesson .note--note .note__t{color:var(--amber, #f5a11c)}.lesson table{width:100%;border-collapse:collapse;margin:0 0 1.3em;font-size:14px}.lesson th,.lesson td{border:1px solid rgba(255,255,255,.13);padding:8px 10px;text-align:left;vertical-align:top}.lesson th{background:#ffffff0f;font-weight:600}@media (max-width: 720px){.lesson table.t-wide,.lesson table.t-wide thead,.lesson table.t-wide tbody,.lesson table.t-wide tr,.lesson table.t-wide td{display:block;width:100%;box-sizing:border-box}.lesson table.t-wide thead{display:none}.lesson table.t-wide tr{margin-bottom:12px;border:1px solid rgba(255,255,255,.16);border-radius:8px;overflow:hidden;background:#ffffff08}.lesson table.t-wide td{border:0;border-bottom:1px solid rgba(255,255,255,.09);padding:9px 12px}.lesson table.t-wide tr td:last-child{border-bottom:0}.lesson table.t-wide td:first-child{background:#ffffff0d;font-weight:600}.lesson table.t-wide td:before{content:attr(data-label);display:block;margin-bottom:3px;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;opacity:.55}.lesson table.t-wide td:first-child:before{display:none}.lesson table.t-narrow{font-size:13px}.lesson table.t-narrow th,.lesson table.t-narrow td{padding:7px 8px}}@media (max-width: 720px){.wrap{padding-left:16px;padding-right:16px}h1{font-size:1.5rem;line-height:1.25}h2{font-size:1.22rem}h3{font-size:1.06rem}.form-card,.panel{padding:18px 16px;border-radius:10px}.input{width:100%;box-sizing:border-box;font-size:16px}.flabel{font-size:13px}.btn{min-height:44px}.btn-block{width:100%}.flabel input[type=checkbox]{flex:none;width:18px;height:18px}.dl-chip{display:block;text-align:center;padding:12px;min-height:44px;box-sizing:border-box}.alert{font-size:14px;padding:12px 14px}.footer{font-size:13px;text-align:center}.mod-grid{grid-template-columns:1fr}.task-row{flex-wrap:wrap;gap:8px}.task-row .btn{width:100%}}@media (max-width: 400px){h1{font-size:1.32rem}.form-card,.panel{padding:16px 13px}.lesson .codeblock pre,.lesson pre.ascii{font-size:11px}}.quiz .q{padding:16px 0;border-bottom:1px solid rgba(255,255,255,.08)}.quiz .q:last-of-type{border-bottom:0}.quiz .q-text{margin:0 0 10px;line-height:1.5}.quiz .q-opt{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;margin-bottom:6px;border:1px solid rgba(255,255,255,.12);border-radius:8px;cursor:pointer;line-height:1.45}.quiz .q-opt:hover{border-color:#ffffff4d}.quiz .q-opt input{margin-top:4px;flex:none;width:18px;height:18px}.quiz .q-opt span{flex:1}.quiz .q-opt-correct{border-color:#3f9d4a;background:#3f9d4a1f}.quiz .q-opt-wrong{border-color:#d0473a;background:#d0473a1f}.quiz .q-why{margin:8px 0 0;padding-left:11px;border-left:2px solid rgba(255,255,255,.18);font-size:13.5px;line-height:1.55;opacity:.85}.quiz-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}@media (max-width: 720px){.quiz-actions .btn{width:100%}}@media print{.topnav,.footer,.btn,.dl-chip,.quiz-actions{display:none!important}body{background:#fff!important;color:#000!important}.wrap{max-width:none;padding:0}}