:root{color-scheme:light;--bg:#F5F8FC;--bg2:#EAF1FA;--card:#fff;--edge:#D5DFEC;--edge2:#BFCDE0;--ink:#0B2545;--fg:#33465F;--mu:#4A5B73;--dm:#5E6F87;--blue:#1F4E8C;--bluebg:#DCE8F8;--acc:#F5A623;--acc-on:#0B2545;--acc-tx:#9A5B00;--acc-soft:#FDF0D5;--good:#145C3B;--goodbg:#E6F5EC;--bad:#8A2A1F;--badbg:#FDECEA;--mute-bar:#D98A0B;--font:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;--cond:"Sora",system-ui,sans-serif;--mono:"IBM Plex Mono",SFMono-Regular,Menlo,Consolas,monospace}
*{box-sizing:border-box}html,body{margin:0}
body{background:var(--bg);color:var(--fg);font:500 15px/1.5 var(--font);padding-left:250px}
h1,h2,h3{font-family:var(--cond);color:var(--ink);margin:0;line-height:1.15;letter-spacing:-.015em}
h1{font-size:clamp(24px,2.4vw,32px);font-weight:800}h2{font-size:17px;font-weight:700}h3{font-size:15px;font-weight:700}
a{color:var(--blue)}button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
.sb{position:fixed;left:0;top:0;bottom:0;width:250px;background:#0B2545;color:#C9D6EA;padding:18px;display:flex;flex-direction:column;gap:16px;overflow-y:auto;z-index:20}
.logo{display:flex;align-items:center;gap:10px;font:800 20px var(--cond);color:#fff;padding:2px 4px}.logo b{color:#6FA3F0;font-weight:800}
.org{background:#16263F;border:1px solid #2B4467;border-radius:12px;padding:12px 14px}.org small{display:block;font:500 11px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:#9FB1C9;margin-bottom:3px}.org b{color:#fff;font-size:14px;line-height:1.3;display:block}
.nav{display:grid;gap:3px}.nav a{text-decoration:none;box-sizing:border-box;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:11px 12px;border-radius:9px;font-size:15px;cursor:pointer;color:#C9D6EA;white-space:nowrap}
.nav a:hover{background:#16263F;color:#fff}.nav a.on{background:#1F4E8C;color:#fff;font-weight:700}.nav a:focus-visible{outline:3px solid var(--acc)}
.nav .ct{background:var(--acc);color:var(--acc-on);border-radius:999px;font:700 12px var(--font);padding:1px 8px}
.sbfoot{margin-top:auto;font-size:13px;color:#9FB1C9}.sbfoot b{display:block;color:#fff;font-size:14px}
main{padding:0 clamp(16px,2.4vw,36px) 48px;min-width:0}
.prev{margin:0 calc(-1*clamp(16px,2.4vw,36px)) 22px;background:var(--acc-soft);color:#5C3A00;padding:9px clamp(16px,2.4vw,36px);font-size:13.5px;border-bottom:1px solid #F2DDB0}
.head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:18px}.head p{margin:6px 0 0;color:var(--mu);max-width:720px}
.eyebrow{font:500 12px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--acc-tx);margin-bottom:6px}
.back{all:unset;cursor:pointer;color:var(--blue);font-weight:700;font-size:14px;display:inline-block;margin-bottom:10px}.back:hover{text-decoration:underline}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:14px}.s3{grid-column:span 3}.s4{grid-column:span 4}.s5{grid-column:span 5}.s6{grid-column:span 6}.s7{grid-column:span 7}.s8{grid-column:span 8}.s12{grid-column:span 12}
.card{background:var(--card);border:1px solid var(--edge);border-radius:16px;padding:18px 20px;min-width:0}.card>h2{margin-bottom:12px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.card>h2 .sp{flex:1}
.stat .l{font:500 11.5px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--dm)}.stat .n{font:800 34px/1.1 var(--cond);color:var(--ink);margin-top:6px}.stat .n small{font:600 15px var(--font);color:var(--dm)}.stat .s{font-size:13px;color:var(--dm);margin-top:3px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:9px 16px;border-radius:10px;border:1px solid var(--edge2);background:#fff;color:var(--ink);font-weight:700;font-size:14px;cursor:pointer;text-decoration:none}.btn:hover{border-color:var(--blue);color:var(--blue)}
.btn.primary{background:var(--acc);border-color:var(--acc);color:var(--acc-on)}.btn.primary:hover{filter:brightness(1.05);color:var(--acc-on)}.btn.blue{background:var(--blue);border-color:var(--blue);color:#fff}.btn.blue:hover{filter:brightness(1.1);color:#fff}
.btn[disabled]{opacity:.5;cursor:not-allowed;filter:none}.btn.sm{min-height:34px;padding:5px 11px;font-size:13px}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.sp{flex:1}
.tw{overflow-x:auto;margin:0 -20px;padding:0 20px}table{width:100%;border-collapse:collapse;font-size:14px}th{font:500 11.5px var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--dm);text-align:left;padding:8px 10px;border-bottom:1px solid var(--edge2);white-space:nowrap}th button{all:unset;cursor:pointer}th button:hover{color:var(--blue)}th button:focus-visible{outline:3px solid var(--acc)}
td{padding:11px 10px;border-bottom:1px solid var(--edge);vertical-align:middle}tbody tr:last-child td{border-bottom:0}td b{color:var(--ink)}td small{display:block;color:var(--dm);font-size:12.5px}tr.link{cursor:pointer}tr.link:hover td{background:#F5F8FC}.num{font-variant-numeric:tabular-nums}
.pill{display:inline-block;font-size:12px;font-weight:700;padding:2px 9px;border-radius:999px;background:#EEF2F7;color:var(--mu);white-space:nowrap}.pill.good{background:var(--goodbg);color:var(--good)}.pill.bad{background:var(--badbg);color:var(--bad)}.pill.warn{background:var(--acc-soft);color:var(--acc-tx)}.pill.blue{background:var(--bluebg);color:var(--blue)}
.alert{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;width:100%;text-align:left;background:#fff;border:1px solid var(--edge);border-radius:12px;padding:12px 14px;margin-bottom:8px;cursor:pointer}.alert:hover{border-color:var(--blue)}.alert b{display:block;color:var(--ink)}.alert small{color:var(--dm);font-size:13px}.alert .go{color:var(--blue);font-weight:700;font-size:13.5px;white-space:nowrap}.alert.hot{background:var(--acc-soft);border-color:#F2DDB0}
.meter{display:grid;grid-template-columns:minmax(90px,150px) 1fr 44px;gap:10px;align-items:center;font-size:14px;padding:6px 0}.meter .tr{height:8px;border-radius:4px;background:#E8EEF6;overflow:hidden}.meter .tr i{display:block;height:100%;background:var(--blue);border-radius:4px}.meter .v{text-align:right;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}.meter.low .tr i{background:var(--mute-bar)}
.hist{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:6px;align-items:end;height:170px;margin-top:6px;position:relative}.hist .col{display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;gap:4px;cursor:default}.hist .val{font-weight:700;color:var(--ink);font-size:13px}.hist .b{width:100%;max-width:46px;background:#2F6DB5;border-radius:4px 4px 0 0;min-height:2px}.hist .b.fail{background:var(--mute-bar)}.hist .lab{font-size:12px;color:var(--dm);white-space:nowrap}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--mu);margin-top:10px}.legend i{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.spark{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:4px;align-items:end;height:90px}.spark span{background:var(--blue);border-radius:3px 3px 0 0;min-height:2px;display:block}.spark span.z{background:#E2E9F2}
#tip{position:fixed;z-index:90;background:#0B2545;color:#fff;font-size:13px;padding:5px 9px;border-radius:7px;pointer-events:none;display:none;max-width:240px}
.field{display:grid;gap:5px;margin-bottom:14px}.field>label,.lbl{font:500 11.5px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--dm)}.field input,.field select,.field textarea,.search{width:100%;min-height:44px;padding:9px 12px;border:1px solid var(--edge2);border-radius:10px;background:#fff;color:var(--ink);font-size:15px}.field textarea{min-height:90px}
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}
.choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:10px;margin-bottom:14px}.choice{display:block;text-align:left;width:100%;min-height:56px;padding:12px 14px;border:1px solid var(--edge2);border-radius:12px;background:#fff;cursor:pointer}.choice:hover{border-color:var(--blue)}.choice b{display:block;color:var(--ink);font-size:15px}.choice small{display:block;color:var(--dm);font-size:13px;margin-top:2px;line-height:1.35}.choice.on{border-color:var(--blue);background:#EEF4FC;box-shadow:0 0 0 1px var(--blue)}.choice[disabled]{opacity:.55;cursor:not-allowed}
.chips{display:flex;gap:6px;flex-wrap:wrap}.chip{border:1px solid var(--edge2);background:#fff;border-radius:999px;padding:7px 13px;font-size:13.5px;font-weight:600;cursor:pointer;color:var(--mu)}.chip:hover{border-color:var(--blue)}.chip.on{background:var(--blue);border-color:var(--blue);color:#fff}
.bcard{text-align:left;cursor:pointer;width:100%;font:inherit;color:inherit}.bcard:hover{border-color:var(--blue)}
.steps{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}.steps span{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--dm);padding:6px 12px 6px 6px;border-radius:999px;background:#fff;border:1px solid var(--edge)}.steps i{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-weight:700;font-size:12.5px;background:#EEF2F7;color:var(--mu)}.steps .on{color:var(--ink);font-weight:700;border-color:var(--acc)}.steps .on i{background:var(--acc);color:var(--acc-on)}.steps .done i{background:var(--blue);color:#fff}
.ans{border:1px solid var(--edge);border-radius:14px;padding:16px 18px;margin-bottom:12px;background:#fff}.ans.done{background:#F7FAF8;border-color:#CDE7D8}.ans .q{color:var(--ink);font-weight:700;margin:8px 0}.ans blockquote{margin:0 0 12px;padding:10px 14px;background:var(--bg);border-left:3px solid var(--edge2);border-radius:0 8px 8px 0;color:var(--fg)}
.aibox{background:#EEF4FC;border-radius:10px;padding:11px 14px;font-size:14px;margin-bottom:12px}.aibox b{color:var(--ink)}.aibox ul{margin:6px 0 0;padding:0;list-style:none}.aibox li{padding:2px 0 2px 22px;position:relative}.aibox li::before{position:absolute;left:0;font-weight:800}.aibox li.y::before{content:"✓";color:var(--good)}.aibox li.n::before{content:"✕";color:var(--bad)}
.markin{width:72px;min-height:42px;border:1px solid var(--edge2);border-radius:10px;padding:6px 8px;font-size:16px;font-weight:700;text-align:center;color:var(--ink);background:#fff}
.flag{background:var(--acc-soft);color:#5C3A00;border-radius:8px;padding:7px 11px;font-size:13.5px;margin-bottom:10px}
.ov{position:fixed;inset:0;background:rgba(8,17,31,.6);z-index:60;display:grid;place-items:center;padding:16px;overflow:auto}.dlg{background:#fff;border-radius:18px;padding:22px 24px;width:min(620px,100%);max-height:calc(100vh - 32px);overflow:auto}.dlg .hd{display:flex;justify-content:space-between;gap:12px;margin-bottom:14px}.x{border:1px solid var(--edge2);background:#fff;border-radius:8px;width:36px;height:36px;cursor:pointer;flex:none}
.code{font:500 26px var(--mono);letter-spacing:.1em;color:var(--ink);background:var(--bg);border:1px dashed var(--edge2);border-radius:12px;padding:14px;text-align:center;margin-bottom:12px}
.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);background:#0B2545;color:#fff;padding:11px 18px;border-radius:10px;font-size:14px;z-index:80;max-width:calc(100% - 32px)}
.draft{border:1px solid var(--edge);border-radius:12px;padding:12px 14px;margin-bottom:8px}.draft.ok{background:var(--goodbg);border-color:#BFE2CD}.draft.no{opacity:.5}.draft ol{margin:6px 0 8px;padding-left:22px;font-size:14px}.draft li.right{font-weight:700;color:var(--good)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;margin:0}.kv dt{color:var(--dm)}.kv dd{margin:0;color:var(--ink);font-weight:600}
.list{margin:0;padding:0;list-style:none}.list li{padding:6px 0 6px 24px;position:relative}.list li::before{position:absolute;left:0;font-weight:800}.list.y li::before{content:"✓";color:var(--good)}.list.n li::before{content:"✕";color:var(--bad)}
.empty{border:1px dashed var(--edge2);border-radius:10px;padding:18px;text-align:center;color:var(--mu)}
@media(max-width:1100px){body{padding-left:0}.sb{position:static;width:auto;padding:12px 16px;gap:10px}.org,.sbfoot{display:none}.nav{display:flex;overflow-x:auto;gap:4px;padding-bottom:4px}.nav a{padding:8px 12px;font-size:14px}.s3{grid-column:span 6}.s4,.s5,.s6,.s7,.s8{grid-column:span 12}}
@media(max-width:560px){.s3{grid-column:span 6}.stat .n{font-size:26px}.card{padding:15px 16px}.tw{margin:0 -16px;padding:0 16px}.dlg{padding:18px}.hide-sm{display:none}.hist{gap:3px}.hist .lab{font-size:10px}.chips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}.chip{flex:none}.alert{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
/* real pages */
.logo{text-decoration:none}.logo.dark{color:var(--ink);margin-bottom:16px}.logo.dark b{color:var(--blue)}
main{padding-top:24px}.sbfoot a{color:#C9D6EA}
.back{text-decoration:none}a.alert,a.choice{text-decoration:none;color:inherit}th a{color:inherit;text-decoration:none}th a:hover{color:var(--blue)}td a{text-decoration:none}td a:hover b{color:var(--blue);text-decoration:underline}
a.chip{text-decoration:none}.chip.on{color:#fff}
.btn.block{width:100%}.btn.danger{color:var(--bad);border-color:#E7B8B2}.btn.danger:hover{color:#fff;background:var(--bad);border-color:var(--bad)}
.ok,.err{border-radius:10px;padding:11px 14px;margin-bottom:14px;font-size:14.5px}.ok{background:var(--goodbg);color:var(--good)}.err{background:var(--badbg);color:var(--bad)}.ok code{user-select:all;background:#fff;padding:2px 8px;border-radius:6px}
.lead{color:var(--mu);margin:6px 0 14px}.lbl{font:500 11.5px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--dm);margin-bottom:6px}
label.choice{position:relative}label.choice input{position:absolute;opacity:0;width:1px;height:1px}label.choice:has(input:checked){border-color:var(--blue);background:#EEF4FC;box-shadow:0 0 0 1px var(--blue)}label.choice:has(input:focus-visible){outline:3px solid var(--acc);outline-offset:2px}
label.tick{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}label.tick input{position:static;opacity:1;width:22px;height:22px;flex:none;accent-color:var(--blue);margin:0}
a.choice{margin-bottom:10px}
.code.small{font-size:18px;padding:8px;margin:10px 0}.more{margin-top:10px}.more summary{cursor:pointer;color:var(--blue);font-weight:700;font-size:13.5px}
.sparkx{display:flex;justify-content:space-between;font-size:12px;color:var(--dm);margin-top:6px}
body.signin{padding:0;min-height:100vh;display:grid;place-items:center;padding:24px 16px}.signbox{width:min(460px,100%)}.signbox h1{margin-bottom:6px}