/* Hajeenova design system — petrol #1F4E5F, "Gradient Radiance" direction. RTL-first, LTR via logical properties. */
:root{
  --paper:#F2F1EC; --paper-raised:#FFFFFF; --ink:#181B1D; --ink-soft:#565D5F; --ink-faint:#8C9192; --line:rgba(24,27,29,.14);
  --petrol-50:#EAF0F2; --petrol-100:#CFE0E4; --petrol-200:#A6C4CC; --petrol-300:#7DA8B3; --petrol-400:#548C9B;
  --petrol-500:#1F4E5F; --petrol-600:#1B4453; --petrol-700:#163542; --petrol-800:#10262F; --petrol-900:#0B181D;
  --accent:var(--petrol-500); --success:#2F7D5C; --warning:#B4791E; --error:#B24A42;
  --shadow:0 1px 2px rgba(24,27,29,.05), 0 20px 34px -18px rgba(24,27,29,.2);
  --radius:16px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#101416; --paper-raised:#171D1F; --ink:#ECE9E2; --ink-soft:#AEB4B5; --ink-faint:#767D7F; --line:rgba(236,233,226,.16);
    --accent:var(--petrol-300); --shadow:0 1px 2px rgba(0,0,0,.3), 0 20px 34px -18px rgba(0,0,0,.6);
  }
}
:root[data-theme="dark"]{
  --paper:#101416; --paper-raised:#171D1F; --ink:#ECE9E2; --ink-soft:#AEB4B5; --ink-faint:#767D7F; --line:rgba(236,233,226,.16);
  --accent:var(--petrol-300); --shadow:0 1px 2px rgba(0,0,0,.3), 0 20px 34px -18px rgba(0,0,0,.6);
}
*{box-sizing:border-box}
html{color-scheme:light dark;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"IBM Plex Sans Arabic",system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
h1,h2,h3,h4{font-family:"El Messiri","IBM Plex Sans Arabic",serif;text-wrap:balance;margin:0;line-height:1.3}
html[lang="en"] h1,html[lang="en"] h2,html[lang="en"] h3,html[lang="en"] h4{font-family:"Syne","IBM Plex Sans Arabic",sans-serif}
.mono{font-family:"IBM Plex Mono",monospace}
p{line-height:1.75;margin:0 0 1em}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.shell{max-width:1100px;margin:0 auto;padding-inline:20px}
.muted{color:var(--ink-soft)} .faint{color:var(--ink-faint)} .center{text-align:center}
.stack>*+*{margin-top:16px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
.hide{display:none!important}

/* announcement */
.announce{background:var(--petrol-600);color:#E8F0F2;text-align:center;font-size:13px;padding:8px 16px}

/* nav */
.nav{position:sticky;top:0;z-index:30;background:var(--petrol-900)}
.nav .shell{display:flex;align-items:center;justify-content:space-between;padding-block:14px;gap:16px}
.brand{display:flex;align-items:center;gap:10px}
.brand svg{width:24px;height:27px;color:var(--petrol-200)}
.brand .word{font-family:"Syne",sans-serif;font-weight:800;font-size:17px;color:#F3F6F6;direction:ltr;letter-spacing:.02em}
.navlinks{display:flex;gap:22px;font-size:14px;color:#9FB3B8;flex-wrap:wrap}
.navlinks a:hover,.navlinks a.on{color:#fff}
.navcta{display:flex;align-items:center;gap:10px}
.menu-btn{display:none;background:none;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:10px;padding:7px 11px;font-size:18px;cursor:pointer}
.lang-btn,.theme-btn{background:none;border:none;color:#9FB3B8;font-size:13px;cursor:pointer;padding:6px 8px;font-family:inherit}
.lang-btn:hover,.theme-btn:hover{color:#fff}
@media (max-width:900px){
  .menu-btn{display:block}
  .navlinks{display:none;position:absolute;inset-inline:0;top:100%;background:var(--petrol-900);flex-direction:column;padding:16px 20px;gap:14px;border-top:1px solid rgba(255,255,255,.08)}
  .navlinks.open{display:flex}
  .navcta .btn{padding:9px 14px}
}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-size:14px;font-weight:700;padding:11px 22px;border:1.5px solid transparent;cursor:pointer;white-space:nowrap;font-family:inherit;position:relative;overflow:hidden;isolation:isolate;transition:transform .18s ease,box-shadow .25s ease,background .2s;line-height:1.2}
.btn:hover{transform:translateY(-1px)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-ghost-dark{border-color:rgba(255,255,255,.22);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost-dark:hover{border-color:rgba(255,255,255,.5);background:rgba(255,255,255,.08)}
.btn-glow{background:linear-gradient(180deg,var(--petrol-100),var(--petrol-300));color:var(--petrol-900);box-shadow:inset 0 1px 0 rgba(255,255,255,.6),0 0 0 1px rgba(125,168,179,.35),0 14px 30px -8px rgba(125,168,179,.65)}
.btn-glow::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.55) 48%,transparent 66%);transform:translateX(-140%);transition:transform .6s ease}
.btn-glow:hover::after{transform:translateX(140%)}
.btn-primary{background:var(--petrol-500);color:#fff}
.btn-primary:hover{background:var(--petrol-600)}
:root[data-theme="dark"] .btn-primary,:root:not([data-theme="light"]) .btn-primary{--x:0}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .btn-primary{background:var(--petrol-400);color:#06141a}}
:root[data-theme="dark"] .btn-primary{background:var(--petrol-400);color:#06141a}
.btn-line{border-color:var(--line);color:var(--ink);background:transparent}
.btn-line:hover{border-color:var(--accent)}
.btn-danger{background:var(--error);color:#fff}
.btn-sm{padding:7px 14px;font-size:12.5px}
.btn-lg{padding:15px 30px;font-size:15px}
.btn-block{width:100%}
@media (prefers-reduced-motion: reduce){.btn,.btn-glow::after{transition:none}}

/* hero */
.hero{position:relative;background:radial-gradient(120% 100% at 8% 105%,var(--petrol-400) 0%,var(--petrol-800) 42%,var(--petrol-900) 78%);color:#F3F6F6;overflow:hidden;clip-path:polygon(0 0,100% 0,100% 92%,0 100%);padding-bottom:40px}
.hero::after{content:"";position:absolute;inset-inline-start:2%;bottom:-10%;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,var(--petrol-200) 0%,transparent 70%);opacity:.5;filter:blur(4px);animation:pulseGlow 5s ease-in-out infinite;pointer-events:none}
@keyframes pulseGlow{0%,100%{opacity:.4;transform:scale(1)}50%{opacity:.7;transform:scale(1.12)}}
@media (prefers-reduced-motion: reduce){.hero::after{animation:none}}
.hero-arcs{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.hero .shell{position:relative;padding-block:84px 56px;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.07em;color:var(--petrol-200);text-transform:uppercase;margin-bottom:22px;padding:6px 14px;border:1px solid rgba(255,255,255,.18);border-radius:999px}
.hero h1{font-size:clamp(30px,5.4vw,52px);line-height:1.25;font-weight:700;max-width:19ch;margin-inline:auto}
.hero h1 em{font-style:normal;color:var(--petrol-200)}
.hero .deck{margin:22px auto 0;max-width:54ch;color:#C4D3D6;font-size:16.5px}
.hero .ctas{margin-top:30px;display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.stat-row{position:relative;margin-top:54px;display:flex;justify-content:center;flex-wrap:wrap}
.stat{padding:0 30px;border-inline-end:1px solid rgba(255,255,255,.16)}
.stat:last-child{border-inline-end:none}
.stat b{display:block;font-family:"IBM Plex Mono",monospace;font-size:28px;color:#fff}
.stat span{font-size:12px;color:#8FA3A8}

/* sections */
section.block{padding-block:70px}
section.raised{background:var(--paper-raised);border-block:1px solid var(--line)}
.section-head{max-width:640px;margin:0 auto 38px;text-align:center}
.section-head .kicker,.kicker{display:block;font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.07em;color:var(--accent);text-transform:uppercase;margin-bottom:10px}
.section-head h2{font-size:29px;font-weight:700}
.section-head p{margin-top:12px;color:var(--ink-soft);font-size:15px}
.page{padding-block:40px 70px}
.page-title{font-size:30px;margin-bottom:6px}
.page-sub{color:var(--ink-soft);margin-bottom:26px}

/* ad banner */
.ad-card{max-width:720px;margin:0 auto;border-radius:18px;padding:22px 26px;background:linear-gradient(135deg,var(--petrol-800),var(--petrol-900));color:#F3F6F6;display:flex;align-items:center;gap:18px;box-shadow:var(--shadow);position:relative}
.ad-avatar{width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.1);color:var(--petrol-200);display:flex;align-items:center;justify-content:center;font-family:"El Messiri";font-weight:700;font-size:16px;flex:none}
.ad-body{flex:1;min-width:0}
.ad-tag{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.06em;color:var(--petrol-200);text-transform:uppercase}
.ad-body h4{font-size:16px;margin:5px 0 4px}
.ad-body p{margin:0;font-size:13px;color:#AEC2C6;line-height:1.6}
.ad-empty{border:1.5px dashed var(--line);background:transparent;color:var(--ink-soft)}
@media (max-width:560px){.ad-card{flex-wrap:wrap;text-align:center;justify-content:center}}
.ad-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media (max-width:700px){.ad-list{grid-template-columns:1fr}}
.ad-list .ad-card{max-width:none}

/* course cards */
.course-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.course-grid.three{grid-template-columns:repeat(3,1fr)}
.course-card{border-radius:var(--radius);overflow:hidden;background:var(--paper-raised);border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.course-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.course-thumb{position:relative;aspect-ratio:16/11;background:radial-gradient(120% 120% at 15% 110%,var(--petrol-400),var(--petrol-700) 60%,var(--petrol-900));display:flex;align-items:center;justify-content:center;color:var(--petrol-100);overflow:hidden}
.course-thumb img{width:100%;height:100%;object-fit:cover}
.course-thumb svg{width:38px;height:38px}
.badges{position:absolute;inset-block-start:10px;inset-inline-start:10px;display:flex;gap:6px;flex-wrap:wrap}
.badge{font-size:11px;font-weight:700;padding:3px 10px;border-radius:999px;background:rgba(255,255,255,.92);color:var(--petrol-800)}
.badge.hot{background:#FDE8D4;color:#8A4B0F}.badge.new{background:#DDF0E6;color:#1F5B41}
.pill{display:inline-block;font-size:11.5px;padding:3px 11px;border-radius:999px;background:var(--petrol-50);color:var(--petrol-600);font-weight:600}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .pill{background:rgba(125,168,179,.15);color:var(--petrol-200)}}
:root[data-theme="dark"] .pill{background:rgba(125,168,179,.15);color:var(--petrol-200)}
.course-body{padding:16px;display:flex;flex-direction:column;flex:1}
.course-body .lvl{font-family:"IBM Plex Mono",monospace;font-size:10.5px;color:var(--ink-faint)}
.course-body h4{font-size:15px;margin:6px 0 8px;line-height:1.4}
.course-body .sum{font-size:12.5px;color:var(--ink-soft);margin:0 0 10px;line-height:1.6;flex:1}
.course-foot{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--ink-soft);margin-bottom:12px}
.price{font-family:"IBM Plex Mono",monospace;font-weight:600;color:var(--accent);font-size:14px}
.price s{color:var(--ink-faint);font-weight:400;font-size:12px;margin-inline-start:6px}
.stars{color:#D9A21B;letter-spacing:1px}
@media (max-width:1000px){.course-grid,.course-grid.three{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.course-grid,.course-grid.three{grid-template-columns:1fr}}

/* pricing */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.price-card{border-radius:20px;padding:26px;display:flex;flex-direction:column;border:1px solid var(--line);background:var(--paper-raised)}
.price-card.glow{position:relative;overflow:hidden;background:linear-gradient(160deg,var(--petrol-600),var(--petrol-900));color:#F3F6F6;border-color:transparent;box-shadow:0 0 0 1px rgba(125,168,179,.5),0 24px 48px -20px rgba(11,24,29,.65)}
.price-card.glow::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,transparent,var(--petrol-200),transparent)}
.tier{display:inline-flex;align-self:flex-start;font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.05em;text-transform:uppercase;padding:5px 12px;border-radius:999px;background:var(--petrol-50);color:var(--petrol-600);margin-bottom:14px}
.price-card.glow .tier{background:rgba(255,255,255,.12);color:var(--petrol-100)}
.price-card .amount{font-family:"IBM Plex Mono",monospace;font-size:26px}
.price-card .amount span{font-size:12px;opacity:.7}
.price-card ul{list-style:none;margin:20px 0 24px;padding:0;display:flex;flex-direction:column;gap:11px;font-size:13.5px;flex:1}
.price-card:not(.glow) ul{color:var(--ink-soft)}.price-card.glow ul{color:#C4D3D6}
.price-card li{display:flex;gap:8px;align-items:flex-start}
.price-card li svg{width:15px;height:15px;flex:none;margin-top:3px;color:var(--petrol-300)}
@media (max-width:820px){.pricing-grid{grid-template-columns:1fr}}

/* feature cards */
.feat-row{display:flex;gap:16px;flex-wrap:wrap}
.feat-card{flex:1;min-width:220px;border-radius:var(--radius);padding:24px;background:var(--paper);border:1px solid var(--line)}
section.raised .feat-card{background:var(--paper)}
.feat-card .num{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--accent);margin-bottom:12px}
.feat-card h4{font-size:15px;margin:0 0 8px}
.feat-card p{margin:0;font-size:13px;color:var(--ink-soft)}

/* generic card & forms */
.card{background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card.tight{padding:16px}
.card h3{font-size:18px;margin-bottom:14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:760px){.grid2,.grid3{grid-template-columns:1fr}}
label.f{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--ink)}
.field{margin-bottom:16px}
.input,select.input,textarea.input{width:100%;padding:11px 14px;border-radius:12px;border:1.5px solid var(--line);background:var(--paper);color:var(--ink);font-family:inherit;font-size:14px;transition:border-color .2s,box-shadow .2s}
.input:focus{outline:none;border-color:var(--petrol-400);box-shadow:0 0 0 3px rgba(84,140,155,.22)}
textarea.input{min-height:96px;resize:vertical;line-height:1.6}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.6}
.check input{margin-top:5px;accent-color:var(--petrol-500);width:16px;height:16px}
.hint{font-size:12px;color:var(--ink-faint);margin-top:5px}
.err{font-size:12.5px;color:var(--error);margin-top:5px}
.alert{border-radius:12px;padding:12px 16px;font-size:14px;margin-bottom:18px;border:1px solid}
.alert.ok{background:rgba(47,125,92,.1);border-color:rgba(47,125,92,.35);color:var(--success)}
.alert.bad{background:rgba(178,74,66,.1);border-color:rgba(178,74,66,.35);color:var(--error)}
.alert.info{background:var(--petrol-50);border-color:var(--petrol-100);color:var(--petrol-700)}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .alert.info{background:rgba(125,168,179,.12);border-color:rgba(125,168,179,.3);color:var(--petrol-200)}}
.auth-wrap{max-width:440px;margin:50px auto}
.auth-wrap h1{font-size:26px;margin-bottom:6px}

/* tables */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper-raised)}
table.t{width:100%;border-collapse:collapse;font-size:13.5px}
table.t th{text-align:start;font-weight:700;font-size:12px;color:var(--ink-faint);text-transform:uppercase;letter-spacing:.04em;padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
table.t td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
table.t tr:last-child td{border-bottom:none}
.tag{display:inline-block;font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--petrol-50);color:var(--petrol-600)}
.tag.green{background:rgba(47,125,92,.14);color:var(--success)}.tag.red{background:rgba(178,74,66,.14);color:var(--error)}.tag.amber{background:rgba(180,121,30,.16);color:var(--warning)}.tag.gray{background:var(--line);color:var(--ink-soft)}

/* progress */
.bar{height:8px;border-radius:999px;background:var(--line);overflow:hidden}
.bar>i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--petrol-400),var(--petrol-300))}

/* course detail */
.course-hero{background:radial-gradient(120% 140% at 8% 120%,var(--petrol-500) 0%,var(--petrol-800) 50%,var(--petrol-900) 85%);color:#F3F6F6;padding-block:48px}
.course-hero .grid{display:grid;grid-template-columns:1.5fr 1fr;gap:34px;align-items:start}
.course-hero h1{font-size:clamp(26px,4vw,38px);margin:10px 0 12px}
.course-hero p{color:#C4D3D6}
.course-hero .meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:#A6C4CC;margin-top:14px}
.buybox{background:var(--paper-raised);color:var(--ink);border-radius:var(--radius);border:1px solid var(--line);padding:22px;box-shadow:var(--shadow)}
.buybox .big{font-family:"IBM Plex Mono",monospace;font-size:28px;font-weight:600;color:var(--accent)}
.video-box{aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#000;margin-bottom:16px}
.video-box iframe,.video-box video{width:100%;height:100%;border:0;display:block}
@media (max-width:860px){.course-hero .grid{grid-template-columns:1fr}}
.two-col{display:grid;grid-template-columns:1.6fr 1fr;gap:30px;align-items:start}
@media (max-width:860px){.two-col{grid-template-columns:1fr}}
ul.ticks{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 22px}
ul.ticks li{display:flex;gap:9px;font-size:14px;line-height:1.6}
ul.ticks li::before{content:"✓";color:var(--success);font-weight:700}
@media (max-width:700px){ul.ticks{grid-template-columns:1fr}}
details.acc{border:1px solid var(--line);border-radius:12px;background:var(--paper-raised);margin-bottom:10px;overflow:hidden}
details.acc>summary{cursor:pointer;padding:14px 18px;font-weight:700;font-size:14.5px;list-style:none;display:flex;justify-content:space-between;gap:10px}
details.acc>summary::-webkit-details-marker{display:none}
details.acc>summary::after{content:"+";color:var(--accent);font-weight:700}
details.acc[open]>summary::after{content:"−"}
details.acc .in{padding:0 18px 14px}
.lesson-row{display:flex;gap:10px;align-items:center;padding:9px 0;border-top:1px dashed var(--line);font-size:13.5px}
.lesson-row .dur{margin-inline-start:auto;color:var(--ink-faint);font-family:"IBM Plex Mono",monospace;font-size:12px}
.lock{opacity:.85}

/* lesson player */
.player{display:grid;grid-template-columns:320px 1fr;min-height:calc(100vh - 70px)}
.player aside{border-inline-end:1px solid var(--line);background:var(--paper-raised);padding:18px;overflow-y:auto;max-height:calc(100vh - 70px);position:sticky;top:70px;align-self:start}
.player .stage-wrap{padding:26px;max-width:960px;width:100%}
.side-lesson{display:flex;gap:8px;align-items:center;padding:8px 10px;border-radius:10px;font-size:13px;color:var(--ink-soft)}
.side-lesson:hover{background:var(--paper)}
.side-lesson.on{background:var(--petrol-50);color:var(--petrol-700);font-weight:700}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .side-lesson.on{background:rgba(125,168,179,.15);color:var(--petrol-100)}}
.side-lesson .dot{width:16px;height:16px;border-radius:50%;border:1.5px solid var(--ink-faint);flex:none;display:inline-flex;align-items:center;justify-content:center;font-size:10px}
.side-lesson .dot.done{background:var(--success);border-color:var(--success);color:#fff}
.side-title{font-size:11px;font-family:"IBM Plex Mono",monospace;text-transform:uppercase;color:var(--ink-faint);margin:16px 0 4px;letter-spacing:.05em}
@media (max-width:900px){.player{grid-template-columns:1fr}.player aside{position:static;max-height:none;border-inline-end:none;border-bottom:1px solid var(--line)}}
.lesson-content{line-height:1.9;font-size:15.5px;white-space:pre-line}

/* quiz */
.q{border:1px solid var(--line);border-radius:14px;padding:18px;background:var(--paper-raised);margin-bottom:14px}
.q .opt{display:flex;gap:10px;align-items:center;padding:9px 12px;border-radius:10px;cursor:pointer;margin-top:6px;border:1px solid transparent}
.q .opt:hover{background:var(--paper)}
.q .opt input{accent-color:var(--petrol-500)}

/* certificate */
.cert{max-width:860px;margin:30px auto;background:#fff;color:#181B1D;border-radius:6px;padding:14px;box-shadow:var(--shadow)}
.cert-in{border:2px solid var(--petrol-500);padding:46px 40px;text-align:center;position:relative;background:linear-gradient(180deg,#fff,#F7FAFB)}
.cert-in::before{content:"";position:absolute;inset:8px;border:1px solid var(--petrol-200);pointer-events:none}
.cert h1{font-size:38px;color:var(--petrol-500);margin:14px 0 4px}
.cert .name{font-family:"El Messiri",serif;font-size:34px;color:#181B1D;margin:18px 0 8px;border-bottom:1px solid var(--petrol-200);display:inline-block;padding:0 28px 6px}
.cert .small{font-size:12px;color:#565D5F}
.cert .logo svg{width:44px;height:50px;color:var(--petrol-500)}
@media print{
  .nav,.announce,footer,.no-print{display:none!important}
  body{background:#fff}.cert{box-shadow:none;margin:0}
}

/* footer */
footer.site{padding-block:46px 28px;background:var(--petrol-900);color:#CBD6D9;margin-top:auto}
footer.site .shell{display:flex;flex-direction:column;gap:28px}
.foot-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:30px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.foot-brand svg{width:20px;height:22px;color:var(--petrol-200)}
.foot-brand .word{font-family:"Syne",sans-serif;font-weight:800;font-size:15px;color:#F3F6F6;direction:ltr}
.foot-tag{font-size:12.5px;color:#8FA3A8;max-width:34ch}
.foot-cols{display:flex;gap:44px;flex-wrap:wrap}
.foot-col h5{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.05em;text-transform:uppercase;color:#6E8489;margin:0 0 12px}
.foot-col a{display:block;font-size:13px;color:#CBD6D9;margin-bottom:9px}
.foot-col a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);font-family:"IBM Plex Mono",monospace;font-size:11px;color:#6E8489}

/* pagination */
.pager{display:flex;gap:6px;justify-content:center;margin-top:28px;flex-wrap:wrap}
.pager a,.pager span{padding:7px 13px;border-radius:10px;border:1px solid var(--line);font-size:13px;background:var(--paper-raised)}
.pager .cur{background:var(--petrol-500);color:#fff;border-color:var(--petrol-500)}
.pager .dis{opacity:.4}

/* filters */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px;align-items:center}
.chip{padding:7px 16px;border-radius:999px;border:1px solid var(--line);font-size:13px;background:var(--paper-raised)}
.chip.on,.chip:hover{background:var(--petrol-500);color:#fff;border-color:var(--petrol-500)}

/* ===== admin ===== */
.adm{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.adm aside{background:var(--petrol-900);color:#CBD6D9;padding:22px 16px;position:sticky;top:0;align-self:start;height:100vh;overflow-y:auto}
.adm aside .brand{margin-bottom:24px;padding-inline:8px}
.adm aside a.item{display:block;padding:9px 12px;border-radius:10px;font-size:13.5px;color:#9FB3B8;margin-bottom:2px}
.adm aside a.item:hover{background:rgba(255,255,255,.06);color:#fff}
.adm aside a.item.on{background:rgba(125,168,179,.18);color:#fff;font-weight:700}
.adm aside .grp{font-family:"IBM Plex Mono",monospace;font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:#6E8489;margin:18px 12px 6px}
.adm main{padding:28px;min-width:0}
.adm .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;gap:12px;flex-wrap:wrap}
.adm h1{font-size:26px}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:26px}
.kpi{background:var(--paper-raised);border:1px solid var(--line);border-radius:14px;padding:18px}
.kpi b{display:block;font-family:"IBM Plex Mono",monospace;font-size:24px;color:var(--accent)}
.kpi span{font-size:12.5px;color:var(--ink-soft)}
@media (max-width:1000px){.kpis{grid-template-columns:1fr 1fr}}
@media (max-width:860px){.adm{grid-template-columns:1fr}.adm aside{position:static;height:auto}}
.tree{margin:0;padding:0;list-style:none}
.node{border:1px solid var(--line);border-radius:12px;background:var(--paper-raised);margin-bottom:10px;padding:12px 14px}
.node .node{background:var(--paper);margin-top:10px}
.node-head{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.node-head .t{font-weight:700;font-size:14px}
.node details>summary{cursor:pointer;font-size:12.5px;color:var(--accent);margin-top:8px}
.mini-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin-top:10px;align-items:end}
.mini-form .input{padding:8px 11px;font-size:13px}
.toggle-row{display:flex;gap:14px;align-items:center;padding:14px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.toggle-row:last-child{border-bottom:none}