:root{
  --paper:#f4f6fd;--surface:#fff;--ink:#0b1352;--muted:#525a85;--line:#dde2f3;--tint:#eaeefc;
  --blue:#1f4fd6;--cyan:#14aee8;--violet:#7a22d9;--signal:#ff8a1f;--midnight:#070b2e;
  --ok:#0f8a5f;--ok-bg:#e3f6ee;--err:#b42318;--err-bg:#fde8e6;--warn-bg:#fff2e3;
  --grad:linear-gradient(90deg,#14aee8,#1f4fd6 48%,#7a22d9);
  --display:"Montserrat","Segoe UI",system-ui,sans-serif;
  --body:"Plus Jakarta Sans","Segoe UI",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:15.5px/1.55 var(--body);-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--display);font-weight:800;letter-spacing:-.02em;margin:0;line-height:1.15}
a{color:var(--blue)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:.62rem 1.05rem;border-radius:8px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);font:600 .92rem var(--body);text-decoration:none;cursor:pointer}
.btn:hover{border-color:var(--ink)}
.btn.primary{background:var(--signal);border-color:var(--signal);color:#1a0e00}
.btn.primary:hover{filter:brightness(1.06)}
.btn.danger{color:var(--err)}
.btn.danger:hover{border-color:var(--err);background:var(--err-bg)}
.btn.sm{padding:.36rem .7rem;font-size:.84rem}
.btn.wide{width:100%;margin-top:8px}
.link-btn{background:none;border:0;padding:0;color:rgba(255,255,255,.75);font:500 .92rem var(--body);cursor:pointer}
.link-btn:hover{color:#fff}

/* auth */
body.auth{min-height:100vh;background:radial-gradient(60% 70% at 0% 0%,rgba(122,34,217,.55),transparent 60%),radial-gradient(50% 60% at 100% 100%,rgba(20,174,232,.35),transparent 60%),var(--midnight)}
.auth-main{min-height:100vh;display:grid;place-items:center;padding:24px 16px}
.auth-card{width:100%;max-width:420px;background:var(--surface);border-radius:18px;padding:34px;box-shadow:0 30px 70px -30px rgba(0,0,0,.7)}
.auth-logo{display:block;height:64px;width:auto;margin-bottom:16px}
.auth-card h1{font-size:1.6rem}
.auth-card .sub{color:var(--muted);margin:6px 0 18px}
.back-site{display:inline-block;margin-top:18px;color:var(--muted);text-decoration:none;font-size:.9rem}
.back-site:hover{color:var(--blue)}

/* forms */
.form{display:flex;flex-direction:column}
label{font-weight:600;font-size:.9rem;margin:14px 0 6px;display:block}
.hint{font-weight:400;color:var(--muted);font-size:.82rem}
input,select,textarea{width:100%;padding:.66rem .8rem;border:1.5px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(31,79,214,.12)}
textarea{resize:vertical}
input.big{font:700 1.3rem var(--display);padding:.75rem .9rem}
.form > .btn{margin-top:20px;align-self:flex-start}
.form.narrow{max-width:640px}
label.check{display:flex;gap:10px;align-items:flex-start;font-weight:500;margin-top:18px}
label.check input{width:auto;margin-top:4px}
.pw{position:relative}
.pw input{padding-right:70px}
.pw-toggle{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:var(--tint);border:0;border-radius:6px;padding:.3rem .6rem;font:600 .8rem var(--body);color:var(--ink);cursor:pointer}

/* flash */
.flash{padding:12px 16px;border-radius:10px;margin:0 0 18px;font-weight:500;border:1px solid transparent}
.flash.success{background:var(--ok-bg);color:var(--ok);border-color:#bde7d4}
.flash.error{background:var(--err-bg);color:var(--err);border-color:#f6c6c0}
.flash.info{background:var(--tint);color:var(--ink);border-color:var(--line)}

/* app shell */
body.app{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.side{background:var(--midnight);color:#fff;padding:22px 16px;display:flex;flex-direction:column;gap:26px;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;font:italic 900 1.05rem/1.1 var(--display)}
.brand img{height:34px;width:auto}
.brand b{color:var(--signal)}
.brand small{display:block;font:500 .7rem var(--mono);font-style:normal;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.55);margin-top:3px}
.side nav{display:flex;flex-direction:column;gap:4px}
.side nav a{color:rgba(255,255,255,.72);text-decoration:none;padding:.6rem .8rem;border-radius:8px;font-weight:500}
.side nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.side nav a[aria-current="page"]{background:rgba(255,255,255,.1);color:#fff;box-shadow:inset 3px 0 0 var(--signal)}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding:0 .8rem}
.view-site{color:var(--cyan);text-decoration:none;font-weight:600;font-size:.92rem}
.main{padding:32px 36px 60px;min-width:0}
@media (max-width:860px){
  body.app{grid-template-columns:1fr}
  .side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;gap:14px;padding:14px 16px}
  .side nav{flex-direction:row;flex-wrap:wrap;order:3;width:100%}
  .side-foot{margin:0 0 0 auto;flex-direction:row;align-items:center;padding:0}
  .main{padding:22px 16px 48px}
}

.page-top{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.page-top h1{font-size:1.9rem}
.page-top .sub{color:var(--muted);margin-top:6px;max-width:60ch}
.eyebrow{display:block;font:500 .74rem var(--mono);text-transform:uppercase;letter-spacing:.12em;color:var(--blue);margin-bottom:8px}
.crumb{display:inline-block;color:var(--muted);text-decoration:none;font-weight:500;margin-bottom:8px}
.crumb:hover{color:var(--blue)}
.actions{display:flex;gap:10px;flex-wrap:wrap}

.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:22px}
@media (max-width:860px){.stats{grid-template-columns:1fr 1fr}}
.stats div{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px}
.stats strong{display:block;font:800 2rem var(--display);font-variant-numeric:tabular-nums}
.stats span{color:var(--muted);font-size:.9rem}
.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:960px){.two{grid-template-columns:1fr}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px}
.panel h2{font-size:1.15rem}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.panel-head a{font-weight:600;text-decoration:none;font-size:.9rem}
.mini{list-style:none;margin:0;padding:0}
.mini li{padding:10px 0;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:2px}
.mini li:first-child{border-top:0}
.mini a{color:var(--ink);font-weight:600;text-decoration:none}
.mini a:hover{color:var(--blue)}
.mini span,.dim{color:var(--muted);font-size:.85rem}
.small{font-size:.84rem}
.none,.empty{color:var(--muted)}
.empty{padding:30px;text-align:center;border:1.5px dashed var(--line);border-radius:12px;background:var(--surface)}

.tag{display:inline-block;font:500 .7rem var(--mono);font-style:normal;text-transform:uppercase;letter-spacing:.08em;padding:2px 8px;border-radius:999px;vertical-align:middle}
.tag.live{background:var(--ok-bg);color:var(--ok)}
.tag.draft{background:var(--warn-bg);color:#9a4a00}
.tag.pin{background:var(--tint);color:var(--blue)}

.filter-row{margin-bottom:12px;max-width:420px}
.table-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:12px}
table.list{width:100%;border-collapse:collapse;min-width:720px}
.list th,.list td{padding:12px 14px;text-align:left;border-top:1px solid var(--line);vertical-align:middle}
.list thead th{border-top:0;font:500 .72rem var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.list a.t{color:var(--ink);font-weight:600;text-decoration:none}
.list a.t:hover{color:var(--blue)}
.r{text-align:right}
.nowrap{white-space:nowrap}
form.inline{display:inline}

.news-list{display:flex;flex-direction:column;gap:12px}
.news-row{display:grid;grid-template-columns:110px 1fr auto;gap:18px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px}
@media (max-width:700px){.news-row{grid-template-columns:1fr}.news-row .r{text-align:left}}
.news-row .date{font:500 .8rem var(--mono);color:var(--muted);padding-top:3px}
.news-row h3{font-size:1.05rem;margin-bottom:4px}
.news-row p{margin:4px 0 0;color:var(--muted)}

/* editor */
.editor-grid{display:grid;grid-template-columns:1fr 290px;gap:22px;align-items:start}
@media (max-width:1000px){.editor-grid{grid-template-columns:1fr}}
.col-main > label:first-child{margin-top:0}
.col-side .panel{position:sticky;top:20px}
.col-side label:first-child{margin-top:0}
.rte{border:1.5px solid var(--line);border-radius:10px;background:var(--surface);overflow:hidden}
.rte:focus-within{border-color:var(--blue)}
.rte-bar{display:flex;flex-wrap:wrap;gap:4px;padding:8px;border-bottom:1px solid var(--line);background:var(--tint);position:sticky;top:0;z-index:2}
.rte-bar button{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:.3rem .6rem;font:600 .82rem var(--body);color:var(--ink);cursor:pointer}
.rte-bar button:hover{border-color:var(--ink)}
.rte-bar button[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.rte-bar .sep{width:1px;background:var(--line);margin:2px 4px}
.rte-bar .grow{flex:1}
.rte-area{min-height:420px;padding:18px 20px;outline:none}
.rte-src{width:100%;min-height:420px;border:0;border-radius:0;font:400 .85rem/1.6 var(--mono);padding:16px}
.rte-src:focus{box-shadow:none}
.prose h2{font-size:1.35rem;margin:24px 0 10px}
.prose h3{font-size:1.1rem;margin:20px 0 8px}
.prose p{margin:0 0 12px}
.prose ul,.prose ol{margin:0 0 14px;padding-left:1.3rem}
.prose code{font-family:var(--mono);font-size:.88em;background:var(--tint);padding:.1em .35em;border-radius:4px}
.prose pre{background:var(--midnight);color:#e9edff;border-radius:8px;padding:14px;overflow-x:auto;font:400 .84rem/1.6 var(--mono)}
.prose pre code{background:none;padding:0;color:inherit}
.prose .takeaway{background:var(--tint);border-left:3px solid var(--signal);padding:12px 16px;border-radius:0 8px 8px 0;margin:16px 0}
.prose blockquote{border-left:3px solid var(--line);margin:0 0 12px;padding-left:14px;color:var(--muted)}

dialog.confirm{border:0;border-radius:14px;padding:24px;max-width:400px;box-shadow:0 30px 70px -20px rgba(0,0,0,.5)}
dialog.confirm::backdrop{background:rgba(7,11,46,.55)}
dialog.confirm p{margin:0 0 18px;font-weight:500}
dialog.confirm .actions{justify-content:flex-end}

.tag.acc-free{background:var(--tint);color:var(--muted)}
.tag.acc-pro{background:#e6f0ff;color:var(--blue)}
.tag.acc-premium{background:#f1e6ff;color:var(--violet)}
.stats span a{color:inherit}
.flash{white-space:pre-line;word-break:break-word}

.qa-admin{display:grid;grid-template-columns:1fr 320px;gap:20px;align-items:start}
@media (max-width:1000px){.qa-admin{grid-template-columns:1fr}}
.qa-list{display:flex;flex-direction:column;gap:10px;min-width:0}
.list-h{font-size:1.1rem;margin-bottom:2px}
.stack{display:flex;flex-direction:column;gap:16px}
.qa-row{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
@media (max-width:700px){.qa-row{grid-template-columns:auto 1fr}.qa-row .r{grid-column:1/-1;text-align:left}}
.qa-row .grow{min-width:0}
.qa-row a.t{color:var(--ink);font-weight:700;text-decoration:none}
.qa-row a.t:hover{color:var(--blue)}
.qa-row .qn{font:500 .8rem var(--mono);color:var(--muted)}
.clamp{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-top:2px}
.order{display:flex;flex-direction:column;gap:2px}
.ord{width:28px;height:22px;border:1px solid var(--line);background:var(--surface);border-radius:6px;cursor:pointer;font-size:.8rem;color:var(--ink);line-height:1}
.ord:hover:not([disabled]){border-color:var(--ink)}
.ord[disabled]{opacity:.35;cursor:default}
.form.wider{max-width:820px}
.panel h2{margin-bottom:4px}

.ad-list{display:flex;flex-direction:column;gap:12px}
.ad-row{display:grid;grid-template-columns:180px 1fr auto auto auto;gap:16px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px}
@media (max-width:900px){.ad-row{grid-template-columns:120px 1fr}.ad-row .r{grid-column:1/-1;text-align:left}}
.ad-row a.t{color:var(--ink);font-weight:700;text-decoration:none}.ad-row a.t:hover{color:var(--blue)}
.ad-thumb{height:62px;border-radius:8px;overflow:hidden;background:var(--tint);display:flex;flex-direction:column;justify-content:center;padding:0 10px}
.ad-thumb.image{padding:0}
.ad-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.ad-thumb b{font-size:.82rem;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ad-thumb span{font-size:.72rem;color:var(--muted);line-height:1.25;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.ad-num{text-align:center}.ad-num strong{display:block;font:800 1.4rem var(--display);font-variant-numeric:tabular-nums}.ad-num span{font-size:.75rem;color:var(--muted)}
fieldset.kind{border:0;padding:0;margin:0 0 4px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
@media (max-width:640px){fieldset.kind{grid-template-columns:1fr}}
fieldset.kind legend{font-weight:600;font-size:.9rem;margin-bottom:6px;padding:0}
.kind-opt{position:relative;margin:0!important;border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;cursor:pointer;display:flex!important;flex-direction:column;gap:2px;font-weight:500!important}
.kind-opt input{position:absolute;opacity:0;pointer-events:none}
.kind-opt:has(input:checked){border-color:var(--blue);box-shadow:0 0 0 3px rgba(31,79,214,.12)}
.kind-opt:has(input:focus-visible){outline:2px solid var(--cyan);outline-offset:2px}
.kind-opt span{font-size:.82rem;color:var(--muted)}
input[type=file]{padding:.5rem}
/* preview mirrors the website ad */
.ad-preview{margin-top:8px}
.sp-ad{position:relative;display:block;border-radius:12px;overflow:hidden;text-decoration:none;color:inherit;border:1px solid var(--line);background:var(--surface)}
.sp-ad .sp-label{position:absolute;top:8px;right:8px;font:600 .62rem var(--mono);text-transform:uppercase;letter-spacing:.1em;background:rgba(7,11,46,.72);color:#fff;padding:3px 7px;border-radius:999px}
/* banner and slider preview: the box takes the picture's shape, like on the website */
.ad-preview .sp-ad.image{--ar:4;width:min(100%,calc(190px * var(--ar)));margin:0 auto;transition:width .45s ease}
.sp-frame{position:relative;display:block;width:100%;aspect-ratio:var(--ar);overflow:hidden;background:var(--surface)}
.sp-slide{position:absolute;inset:0;opacity:0;transition:opacity .5s ease}
.sp-slide.on{opacity:1}
.sp-slide .bg{display:none}
.sp-slide img{width:100%;height:100%;object-fit:contain;display:block}
.sp-nav{position:absolute;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:50%;border:0;background:rgba(255,255,255,.88);color:#0b1352;font-size:1rem;cursor:pointer;z-index:2}
.sp-nav.prev{left:8px}.sp-nav.next{right:8px}
.sp-dots{position:absolute;bottom:6px;left:0;right:0;display:flex;justify-content:center;gap:5px;z-index:2}
.sp-dots button{width:7px;height:7px;border-radius:50%;border:0;padding:0;background:rgba(255,255,255,.5);cursor:pointer}
.sp-dots button[aria-current="true"]{background:#fff;width:18px;border-radius:4px}
.sp-ad.text{display:flex;gap:18px;align-items:center;padding:18px 20px;background:linear-gradient(var(--surface),var(--surface)) padding-box,var(--grad) border-box;border:2px solid transparent}
.sp-ad.text .sp-body{flex:1;min-width:0}
.sp-ad.text b{display:block;font:800 1.1rem var(--display);margin-bottom:4px;padding-right:70px}
.sp-ad.text p{margin:0;color:var(--muted);font-size:.93rem}
.sp-ad.text .sp-host{font:500 .74rem var(--mono);color:var(--muted);margin-top:6px;display:block}
.sp-ad .sp-btn{flex:none;background:var(--signal);color:#1a0e00;font-weight:700;padding:.6rem 1rem;border-radius:8px;font-size:.9rem}
.ad-preview .empty{padding:20px}

.nav-group{display:block;font:500 .66rem var(--mono);text-transform:uppercase;letter-spacing:.14em;color:rgba(255,255,255,.4);padding:14px .8rem 4px}
.who{display:flex;flex-direction:column;color:#fff;font-weight:600;font-size:.92rem}
.who small{font:500 .7rem var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--signal)}
@media (max-width:860px){.nav-group{display:none}.who{display:none}}

.ad-thumb{position:relative}
.ad-thumb .count{position:absolute;right:4px;bottom:4px;font:600 .62rem var(--mono);font-style:normal;background:rgba(7,11,46,.75);color:#fff;padding:2px 6px;border-radius:999px}
.ad-thumb.slider{padding:0}
.slide-list{list-style:none;margin:10px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.slide-list li{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--surface);display:flex;flex-direction:column}
.slide-list li.new{border-style:dashed;border-color:var(--blue)}
.slide-list img{width:100%;aspect-ratio:4/1.6;object-fit:contain;background:#0b1352;display:block}
.slide-list .sl-actions{display:flex;gap:4px;padding:6px;align-items:center}
.slide-list .sl-actions .btn{margin-left:auto}
.slide-list .tagnew{font:600 .62rem var(--mono);text-transform:uppercase;color:var(--blue);padding:6px}

/* Q&A import */
.import-panel .drop{position:relative;display:flex;flex-direction:column;align-items:center;gap:2px;margin:12px 0 0;padding:20px 14px;border:2px dashed var(--line);border-radius:12px;background:var(--tint);cursor:pointer;text-align:center;font-weight:500}
.import-panel .drop:hover,.import-panel .drop.over{border-color:var(--blue);background:#e6f0ff}
.import-panel .drop b{color:var(--blue)}
.import-panel .drop span{font-size:.82rem;color:var(--muted)}
.import-panel .drop input{position:absolute;inset:0;opacity:0;cursor:pointer}
.howto{margin-top:12px;font-size:.88rem}
.howto summary{cursor:pointer;font-weight:600;color:var(--blue)}
.howto ul{margin:6px 0;padding-left:1.1rem}.howto p{margin:6px 0}
.howto code{font-family:var(--mono);background:var(--tint);padding:0 4px;border-radius:4px}
.import-review{margin-top:20px;border:2px solid var(--blue)}
.imp-file{border:1px solid var(--line);border-radius:12px;padding:14px;margin:12px 0}
.imp-file.err{border-color:#f6c6c0;background:var(--err-bg)}
.imp-head{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;flex-wrap:wrap}
.imp-name{margin:0!important;flex:1;min-width:220px}
.imp-name input{margin-top:6px;font-weight:700}
.imp-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.imp-warn{margin:10px 0 0;padding:8px 12px 8px 26px;background:var(--warn-bg);border-radius:8px;color:#7a3b00;font-size:.88rem}
.imp-file.err .imp-warn{background:transparent;padding-left:0;color:var(--err)}
.imp-file details{margin-top:12px}
.imp-file summary{cursor:pointer;font-weight:600;color:var(--blue)}
.imp-list{margin:10px 0 0;padding-left:1.6rem;display:flex;flex-direction:column;gap:10px}
.imp-list li{padding:8px;border-radius:8px;background:var(--paper)}
.imp-list li.removed{opacity:.45}
.imp-list li.removed textarea{text-decoration:line-through}
.imp-list li.noans textarea[data-f=a]{border-color:#f0b37a;background:#fffaf3}
.imp-q{display:flex;gap:8px;align-items:flex-start;margin-bottom:6px}
.imp-q textarea{font-weight:600}
.imp-list textarea{resize:vertical;font-size:.92rem;padding:.45rem .6rem;overflow:hidden}
.import-opts{border:0;padding:0;margin:16px 0 4px}
.import-opts legend{font-weight:600;font-size:.9rem;padding:0}
.import-opts .check{margin-top:8px}
.warn-opt{color:var(--err)}

.imp-status{margin:8px 0 0;font-size:.86rem;color:var(--muted);min-height:1em}
.imp-status:empty{display:none}
.imp-status.err{color:var(--err);background:var(--err-bg);padding:8px 10px;border-radius:8px}
.import-panel select{margin-bottom:4px}