/* ==========================================================================
   Roadmap Adda  |  Hacklido
   Design system + layout + components
   ========================================================================== */

:root{
  /* surfaces */
  --bg:#0A0D13;
  --bg-2:#0E121A;
  --card:#12171F;
  --card-2:#161C26;
  --line:#1E2531;
  --line-soft:#181E28;

  /* text */
  --tx:#E8ECF3;
  --tx-2:#98A2B3;
  --tx-3:#667085;

  /* semantic */
  --accent:#3B82F6;
  --accent-soft:rgba(59,130,246,.14);
  --ok:#22C55E;
  --ok-soft:rgba(34,197,94,.13);
  --warn:#F59E0B;
  --warn-soft:rgba(245,158,11,.13);
  --danger:#EF4444;
  --danger-soft:rgba(239,68,68,.13);
  --info:#22D3EE;
  --info-soft:rgba(34,211,238,.13);
  --ai:#A78BFA;
  --ai-soft:rgba(167,139,250,.13);

  /* shape */
  --r-sm:8px;
  --r:12px;
  --r-lg:16px;
  --r-xl:22px;

  --sh-1:0 1px 2px rgba(0,0,0,.4);
  --sh-2:0 8px 24px -12px rgba(0,0,0,.7);
  --sh-3:0 24px 60px -24px rgba(0,0,0,.85);

  --nav-h:60px;
  --side-w:244px;
  --side-w-min:64px;

  --ease:cubic-bezier(.22,.61,.36,1);
  --fast:150ms var(--ease);
  --med:220ms var(--ease);

  --f-display:"Bricolage Grotesque",Georgia,serif;
  --f-body:"Sora",-apple-system,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,monospace;
}

[data-theme="light"]{
  --bg:#FFFFFF; --bg-2:#FFFFFF; --card:#FFFFFF; --card-2:#F7F7F8;
  --line:#E1E1E4; --line-soft:#ECECEE;
  --tx:#0A0A0A; --tx-2:#45494F; --tx-3:#6B6F76;
  --sh-2:0 8px 24px -14px rgba(16,24,40,.25);
  --sh-3:0 24px 60px -26px rgba(16,24,40,.3);
}

/* the pastel text colors below are tuned for dark backgrounds and read as
   washed out on white, so light mode gets plain, high-contrast neutrals */
[data-theme="light"] .b-blue,
[data-theme="light"] .b-green,
[data-theme="light"] .b-amber,
[data-theme="light"] .b-red,
[data-theme="light"] .b-cyan,
[data-theme="light"] .b-ai,
[data-theme="light"] .side-link .pill,
[data-theme="light"] .chip.on,
[data-theme="light"] .nd-status button.on{
  color:var(--tx) !important;
  background:var(--card-2) !important;
  border-color:var(--line) !important;
}
[data-theme="light"] .alert-err{background:#FEF2F2;border-color:#FCA5A5;color:#7F1D1D}
[data-theme="light"] .alert-ok{background:#F0FDF4;border-color:#86EFAC;color:#14532D}
[data-theme="light"] .alert-info{background:#EFF6FF;border-color:#93C5FD;color:#1E3A8A}
[data-theme="light"] .alert-warn{background:#FFFBEB;border-color:#FCD34D;color:#78350F}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:hidden}
body{
  margin:0; background:var(--bg); color:var(--tx);
  font-family:var(--f-body); font-size:14px; line-height:1.6;
  -webkit-font-smoothing:antialiased; scroll-behavior:smooth;
  overflow-x:hidden; max-width:100vw;
}
body::before{
  /* subtle grain + vignette atmosphere */
  content:""; position:fixed; inset:0; pointer-events:none; z-index:0; opacity:.5;
  background:
    radial-gradient(900px 480px at 15% -10%, rgba(59,130,246,.10), transparent 60%),
    radial-gradient(700px 420px at 92% 4%, rgba(34,211,238,.07), transparent 60%);
}
[data-theme="light"] body::before{display:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
::selection{background:var(--accent-soft);color:var(--tx)}

h1,h2,h3,h4{font-family:var(--f-display);margin:0;letter-spacing:-.02em;font-weight:700;line-height:1.15}
h1{font-size:clamp(30px,4.4vw,54px)}
h2{font-size:clamp(22px,2.6vw,30px)}
h3{font-size:18px}
p{margin:0 0 12px}
.mono{font-family:var(--f-mono);font-size:12px;letter-spacing:.02em}
.muted{color:var(--tx-2)}
.dim{color:var(--tx-3)}
.center{text-align:center}

/* scrollbar */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--line);border-radius:20px;border:3px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:#2A3342}

/* focus */
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ===================== TOP NAV ===================== */
.nav{
  position:sticky;top:0;z-index:80;height:var(--nav-h);
  display:flex;align-items:center;gap:14px;padding:0 16px;
  background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--f-display);font-weight:800;letter-spacing:-.03em;font-size:16px}
.brand-mark{
  width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--accent),#1D4ED8);
  box-shadow:0 4px 14px -4px rgba(59,130,246,.8);
  font-family:var(--f-mono);font-size:13px;color:#fff;font-weight:700;
}
.brand small{color:var(--tx-3);font-family:var(--f-mono);font-size:10px;font-weight:500;letter-spacing:.08em;text-transform:uppercase}

.nav-search{
  flex:1;max-width:520px;margin:0 auto;
  display:flex;align-items:center;gap:9px;height:36px;padding:0 12px;
  background:var(--card);border:1px solid var(--line);border-radius:10px;
  color:var(--tx-3);cursor:pointer;transition:var(--fast);
}
.nav-search:hover{border-color:#2A3342;background:var(--card-2)}
.nav-search span{flex:1;font-size:13px}
.kbd{
  font-family:var(--f-mono);font-size:10.5px;padding:2px 6px;border-radius:5px;
  background:var(--bg-2);border:1px solid var(--line);color:var(--tx-3);
}
.nav-actions{display:flex;align-items:center;gap:6px;margin-left:auto}
.icon-btn{
  width:34px;height:34px;display:grid;place-items:center;border-radius:9px;
  background:transparent;border:1px solid transparent;color:var(--tx-2);
  cursor:pointer;transition:var(--fast);position:relative;
}
.icon-btn:hover{background:var(--card);border-color:var(--line);color:var(--tx);transform:translateY(-1px)}
.icon-btn.on{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 40%,transparent);background:var(--accent-soft)}
.dot{position:absolute;top:7px;right:8px;width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 2px var(--bg)}
.avatar{
  width:32px;height:32px;border-radius:10px;object-fit:cover;
  border:1px solid var(--line);background:var(--card-2);
  display:grid;place-items:center;font-family:var(--f-mono);font-size:12px;color:var(--tx-2);
}

/* ===================== SHELL ===================== */
.shell{display:flex;min-height:calc(100vh - var(--nav-h));position:relative;z-index:1}
.side{
  width:var(--side-w);flex:0 0 var(--side-w);
  border-right:1px solid var(--line);
  padding:14px 10px;position:sticky;top:var(--nav-h);
  height:calc(100vh - var(--nav-h));overflow-y:auto;
  transition:width var(--med),flex-basis var(--med);
}
body.side-min .side{width:var(--side-w-min);flex-basis:var(--side-w-min)}
body.side-min .side .lbl,body.side-min .side .side-title,body.side-min .side .side-foot{display:none}
body.side-min .side .side-link{justify-content:center;padding:9px 0}
.side-title{
  font-family:var(--f-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--tx-3);padding:14px 10px 6px;
}
.side-link{
  display:flex;align-items:center;gap:11px;padding:9px 10px;border-radius:9px;
  color:var(--tx-2);font-size:13.5px;transition:var(--fast);position:relative;margin-bottom:2px;
}
.side-link svg{flex:0 0 18px;opacity:.8}
.side-link:hover{background:var(--card);color:var(--tx);transform:translateX(2px)}
.side-link.on{background:var(--card);color:var(--tx);font-weight:600}
.side-link.on::before{
  content:"";position:absolute;left:-10px;top:50%;transform:translateY(-50%);
  width:3px;height:18px;border-radius:0 3px 3px 0;background:var(--accent);
}
.side-link .pill{margin-left:auto;font-family:var(--f-mono);font-size:10px;padding:1px 6px;border-radius:20px;background:var(--accent-soft);color:#93C5FD}
.side-foot{margin-top:18px;padding:12px;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}

.main{flex:1;min-width:0;padding:28px 30px 80px}
.wrap{max-width:1240px;margin:0 auto}
@media(max-width:1080px){
  .side{position:fixed;left:0;top:var(--nav-h);z-index:70;background:var(--bg-2);transform:translateX(-100%);transition:transform var(--med)}
  body.side-open .side{transform:none;box-shadow:var(--sh-3)}
  .main{padding:20px 16px 70px}
  .nav-search{max-width:none}
}

/* ===================== BUTTONS ===================== */
.btn{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 15px;
  border-radius:10px;border:1px solid var(--line);background:var(--card);
  color:var(--tx);font-size:13.5px;font-weight:500;cursor:pointer;
  transition:var(--fast);white-space:nowrap;
}
.btn:hover{background:var(--card-2);border-color:color-mix(in srgb,var(--tx) 18%,var(--line));transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn:active{transform:translateY(0);box-shadow:none}
.btn-primary{background:var(--accent);border-color:transparent;color:#fff;font-weight:600}
.btn-primary:hover{background:color-mix(in srgb,var(--accent) 90%,#fff 10%);box-shadow:0 8px 20px -10px color-mix(in srgb,var(--accent) 70%,transparent)}
.btn-ghost{background:transparent;border-color:transparent;color:var(--tx-2)}
.btn-ghost:hover{background:var(--card);color:var(--tx)}
.btn-lg{height:46px;padding:0 22px;font-size:15px;border-radius:12px}
.btn-sm{height:30px;padding:0 11px;font-size:12.5px;border-radius:8px}
.btn-block{width:100%;justify-content:center}

/* ===================== BADGES ===================== */
.badge{
  display:inline-flex;align-items:center;gap:5px;height:22px;padding:0 8px;border-radius:6px;
  font-family:var(--f-mono);font-size:10.5px;letter-spacing:.03em;text-transform:uppercase;
  border:1px solid transparent;white-space:nowrap;
}
.b-blue{background:var(--accent-soft);color:#93C5FD;border-color:rgba(59,130,246,.25)}
.b-green{background:var(--ok-soft);color:#86EFAC;border-color:rgba(34,197,94,.25)}
.b-amber{background:var(--warn-soft);color:#FCD34D;border-color:rgba(245,158,11,.25)}
.b-red{background:var(--danger-soft);color:#FCA5A5;border-color:rgba(239,68,68,.25)}
.b-cyan{background:var(--info-soft);color:#67E8F9;border-color:rgba(34,211,238,.25)}
.b-ai{background:var(--ai-soft);color:#C4B5FD;border-color:rgba(167,139,250,.25)}
.b-gray{background:var(--card-2);color:var(--tx-2);border-color:var(--line)}

/* ===================== CARDS ===================== */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px;transition:transform var(--med),border-color var(--med),box-shadow var(--med);
  position:relative;overflow:hidden;
}
.card-hov:hover{transform:translateY(-3px);border-color:#2B3444;box-shadow:var(--sh-3)}
.card-hov:hover .card-glow{opacity:1}
.card-glow{
  position:absolute;inset:-1px;border-radius:inherit;opacity:0;transition:opacity var(--med);pointer-events:none;
  background:radial-gradient(320px 120px at 20% 0%,rgba(59,130,246,.13),transparent 70%);
}
.grid{display:grid;gap:16px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1000px){.g-3,.g-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.g-2,.g-3,.g-4{grid-template-columns:1fr}}

.rm-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:19px;
  background:var(--card-2);border:1px solid var(--line);
}
.meta-row{display:flex;flex-wrap:wrap;gap:14px;color:var(--tx-3);font-family:var(--f-mono);font-size:11px}
.meta-row span{display:flex;align-items:center;gap:5px}

/* stack of contributor avatars */
.stack{display:flex}
.stack i{
  width:24px;height:24px;border-radius:50%;border:2px solid var(--card);margin-left:-8px;
  display:grid;place-items:center;font-style:normal;font-family:var(--f-mono);font-size:9.5px;
  background:var(--card-2);color:var(--tx-2);
}
.stack i:first-child{margin-left:0}

/* ===================== PROGRESS ===================== */
.bar{height:6px;border-radius:20px;background:var(--card-2);overflow:hidden;border:1px solid var(--line-soft)}
.bar i{display:block;height:100%;border-radius:20px;background:linear-gradient(90deg,var(--accent),#60A5FA);transition:width 600ms var(--ease)}
.bar.ok i{background:linear-gradient(90deg,#16A34A,#4ADE80)}
.ring{--p:0;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;
  background:conic-gradient(var(--accent) calc(var(--p)*1%),var(--card-2) 0);position:relative}
.ring::after{content:"";position:absolute;inset:5px;border-radius:50%;background:var(--card)}
.ring b{position:relative;z-index:1;font-family:var(--f-mono);font-size:12px}

/* ===================== SECTION HEADS ===================== */
.sec{margin:44px 0 18px;display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}
.sec .eyebrow{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:7px}
.sec p{color:var(--tx-2);margin:6px 0 0;max-width:60ch}

/* ===================== TABLE ===================== */
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{
  text-align:left;font-family:var(--f-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--tx-3);padding:10px 12px;border-bottom:1px solid var(--line);font-weight:500;
}
.tbl td{padding:12px;border-bottom:1px solid var(--line-soft);color:var(--tx-2)}
.tbl tr:hover td{background:var(--card-2);color:var(--tx)}

/* ===================== TABS ===================== */
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{
  padding:10px 14px;font-size:13.5px;color:var(--tx-2);cursor:pointer;
  border-bottom:2px solid transparent;margin-bottom:-1px;transition:var(--fast);white-space:nowrap;background:none;border-top:0;border-left:0;border-right:0;
}
.tab:hover{color:var(--tx)}
.tab.on{color:var(--tx);border-bottom-color:var(--accent);font-weight:600}
.tab-panel{display:none;padding-top:20px}
.tab-panel.on{display:block;animation:fade 220ms var(--ease)}

/* ===================== ACCORDION ===================== */
.acc{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--card)}
.acc+.acc{margin-top:8px}
.acc summary{padding:14px 16px;cursor:pointer;font-weight:600;display:flex;align-items:center;gap:10px;list-style:none;transition:var(--fast)}
.acc summary::-webkit-details-marker{display:none}
.acc summary:hover{background:var(--card-2)}
.acc summary::after{content:"+";margin-left:auto;font-family:var(--f-mono);color:var(--tx-3);transition:transform var(--fast)}
.acc[open] summary::after{transform:rotate(45deg)}
.acc .acc-body{padding:0 16px 16px;color:var(--tx-2);animation:fade 200ms var(--ease)}

/* ===================== INPUTS ===================== */
.inp{
  width:100%;height:38px;padding:0 12px;border-radius:10px;
  background:var(--bg-2);border:1px solid var(--line);color:var(--tx);transition:var(--fast);
}
.inp:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}
textarea.inp{height:auto;padding:11px 12px;resize:vertical;min-height:96px;line-height:1.6}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;color:var(--tx-2);margin-bottom:6px;font-weight:500}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:20px;
  border:1px solid var(--line);background:var(--card);color:var(--tx-2);font-size:12.5px;
  cursor:pointer;transition:var(--fast);
}
.chip:hover{color:var(--tx);border-color:#2A3342}
.chip.on{background:var(--accent-soft);border-color:rgba(59,130,246,.4);color:#93C5FD}
.chip-row{display:flex;gap:8px;flex-wrap:wrap}

.switch{width:40px;height:23px;border-radius:20px;background:var(--card-2);border:1px solid var(--line);position:relative;cursor:pointer;transition:var(--fast);flex:0 0 auto}
.switch::after{content:"";position:absolute;top:2px;left:2px;width:17px;height:17px;border-radius:50%;background:var(--tx-3);transition:var(--fast)}
.switch.on{background:var(--accent);border-color:transparent}
.switch.on::after{left:19px;background:#fff}

/* ===================== TOOLTIP ===================== */
[data-tip]{position:relative}
[data-tip]::after{
  content:attr(data-tip);position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%,4px);
  background:var(--card-2);border:1px solid var(--line);color:var(--tx);padding:5px 9px;border-radius:7px;
  font-size:11.5px;white-space:nowrap;opacity:0;pointer-events:none;transition:var(--fast);z-index:90;box-shadow:var(--sh-2);
}
[data-tip]:hover::after{opacity:1;transform:translate(-50%,0)}

/* ===================== BREADCRUMB ===================== */
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--tx-3);margin-bottom:16px;flex-wrap:wrap}
.crumb a:hover{color:var(--tx)}
.crumb i{font-style:normal;opacity:.5}

/* ===================== MODAL ===================== */
.overlay{
  position:fixed;inset:0;z-index:100;background:rgba(5,7,11,.66);backdrop-filter:blur(5px);
  display:none;align-items:flex-start;justify-content:center;padding:80px 16px;
}
.overlay.on{display:flex;animation:fade 160ms var(--ease)}
.modal{
  width:100%;max-width:560px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-xl);box-shadow:var(--sh-3);animation:pop 220ms var(--ease);overflow:hidden;
}
.modal-h{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px}
.modal-b{padding:20px;max-height:64vh;overflow-y:auto}
.modal-f{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px;background:var(--bg-2)}

/* command palette */
.cmd{max-width:620px;padding:0}
.cmd-input{display:flex;align-items:center;gap:11px;padding:16px 18px;border-bottom:1px solid var(--line)}
.cmd-input input{flex:1;background:none;border:0;outline:none;font-size:15px}
.cmd-list{max-height:400px;overflow-y:auto;padding:8px}
.cmd-group{font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--tx-3);padding:10px 10px 5px}
.cmd-item{display:flex;align-items:center;gap:11px;padding:9px 10px;border-radius:9px;cursor:pointer;color:var(--tx-2);font-size:13.5px}
.cmd-item:hover,.cmd-item.on{background:var(--card-2);color:var(--tx)}
.cmd-item .r{margin-left:auto;font-family:var(--f-mono);font-size:10.5px;color:var(--tx-3)}
.cmd-foot{padding:9px 16px;border-top:1px solid var(--line);display:flex;gap:14px;color:var(--tx-3);font-size:11px;background:var(--bg-2)}

/* ===================== DRAWER ===================== */
.drawer{
  position:fixed;top:var(--nav-h);right:0;width:480px;max-width:100%;
  height:calc(100vh - var(--nav-h));background:var(--bg-2);border-left:1px solid var(--line);
  z-index:75;transform:translateX(100%);transition:transform 240ms var(--ease);
  display:flex;flex-direction:column;box-shadow:var(--sh-3);
}
.drawer.on{transform:none}
.drawer-h{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;gap:13px;align-items:flex-start}
.drawer-b{flex:1;overflow-y:auto;padding:20px}
.drawer-f{padding:12px 20px;border-top:1px solid var(--line);display:flex;gap:8px;background:var(--card)}
.d-sec{margin-bottom:22px}
.d-sec h4{font-family:var(--f-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--tx-3);margin-bottom:9px;font-weight:500}
.d-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px}
.d-list li{display:flex;gap:9px;color:var(--tx-2);font-size:13px;line-height:1.55}
.d-list li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);margin-top:8px;flex:0 0 5px}
.res-item{
  display:flex;align-items:center;gap:11px;padding:10px 12px;border:1px solid var(--line);
  border-radius:10px;background:var(--card);transition:var(--fast);
}
.res-item:hover{border-color:#2B3444;transform:translateX(3px);background:var(--card-2)}
.res-item .t{flex:1;min-width:0}
.res-item .t b{display:block;font-size:13px;font-weight:600}
.res-item .t span{font-size:11.5px;color:var(--tx-3)}

/* ===================== FLOW CANVAS ===================== */
.flow-wrap{
  position:relative;height:calc(100vh - var(--nav-h) - 26px);min-height:560px;
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:var(--bg-2);
  background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.055) 1px,transparent 0);
  background-size:26px 26px;
}
.flow-wrap.grab{cursor:grab}
.flow-wrap.grabbing{cursor:grabbing}
#flow{width:100%;height:100%;display:block;touch-action:none}
.edge{fill:none;stroke:#273040;stroke-width:1.6;transition:stroke 180ms var(--ease),opacity 180ms var(--ease)}
.edge.hot{stroke:var(--accent);stroke-width:2.2;stroke-dasharray:7 6;animation:dash 1.1s linear infinite}
.edge.cold{opacity:.16}
.node{cursor:pointer;transition:opacity 180ms var(--ease)}
.node.cold{opacity:.22}
.node-box{fill:var(--card);stroke:var(--line);stroke-width:1.2;transition:stroke 180ms var(--ease),filter 180ms var(--ease)}
.node:hover .node-box{stroke:var(--accent);filter:drop-shadow(0 0 12px rgba(59,130,246,.45))}
.node.done .node-box{stroke:rgba(34,197,94,.55);fill:rgba(34,197,94,.07)}
.node.current .node-box{stroke:var(--accent);filter:drop-shadow(0 0 16px rgba(59,130,246,.5))}
.node.locked{opacity:.4}
.node.sel .node-box{stroke:var(--accent);stroke-width:2}
.node-t{fill:var(--tx);font-family:var(--f-body);font-size:13px;font-weight:600;pointer-events:none}
.node-s{fill:var(--tx-3);font-family:var(--f-mono);font-size:10px;pointer-events:none}
.node-ic{font-size:15px;pointer-events:none}

.flow-ui{position:absolute;display:flex;gap:6px;z-index:5}
.flow-ui.tl{top:14px;left:14px;flex-direction:column;max-width:260px}
.flow-ui.tr{top:14px;right:14px}
.flow-ui.bl{bottom:14px;left:14px;flex-direction:column}
.fbtn{
  width:34px;height:34px;border-radius:9px;background:color-mix(in srgb,var(--card) 88%,transparent);
  border:1px solid var(--line);display:grid;place-items:center;cursor:pointer;color:var(--tx-2);
  transition:var(--fast);backdrop-filter:blur(8px);
}
.fbtn:hover{color:var(--tx);border-color:#2E3849;transform:translateY(-1px)}
.legend{
  background:color-mix(in srgb,var(--card) 90%,transparent);border:1px solid var(--line);
  border-radius:var(--r);padding:11px 13px;backdrop-filter:blur(8px);font-size:11.5px;
}
.legend b{display:block;font-family:var(--f-mono);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--tx-3);margin-bottom:8px;font-weight:500}
.legend div{display:flex;align-items:center;gap:8px;color:var(--tx-2);margin-bottom:5px}
.legend em{width:9px;height:9px;border-radius:3px;display:block}
#minimap{
  position:absolute;right:14px;bottom:14px;width:190px;height:126px;border-radius:10px;
  border:1px solid var(--line);background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(6px);z-index:5;
}
.ctxmenu{
  position:fixed;z-index:110;min-width:196px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r);box-shadow:var(--sh-3);padding:6px;display:none;animation:pop 140ms var(--ease);
}
.ctxmenu.on{display:block}
.ctxmenu button{
  display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;border:0;background:none;
  border-radius:8px;cursor:pointer;color:var(--tx-2);font-size:13px;text-align:left;
}
.ctxmenu button:hover{background:var(--card-2);color:var(--tx)}
.ctxmenu hr{border:0;border-top:1px solid var(--line);margin:5px 2px}

/* ===================== FAB ===================== */
.fab{
  position:fixed;right:24px;bottom:24px;z-index:60;height:48px;padding:0 18px;border-radius:26px;
  background:var(--accent);color:#fff;border:0;font-weight:600;font-size:14px;cursor:pointer;
  display:flex;align-items:center;gap:9px;box-shadow:0 14px 34px -12px rgba(59,130,246,.9);
  transition:var(--fast);
}
.fab:hover{transform:translateY(-2px) scale(1.02);background:#2F6FE0}

/* ===================== STATES ===================== */
.empty{
  text-align:center;padding:60px 20px;border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--card)
}
.empty .art{width:78px;height:78px;margin:0 auto 18px;border-radius:22px;display:grid;place-items:center;
  background:var(--card-2);border:1px solid var(--line);font-size:30px}
.sk{background:linear-gradient(90deg,var(--card) 25%,var(--card-2) 50%,var(--card) 75%);
  background-size:200% 100%;animation:sh 1.4s linear infinite;border-radius:8px}
.sk-line{height:11px;margin-bottom:9px}

/* ===================== LANDING ===================== */
.hero{position:relative;padding:74px 0 46px;text-align:center;overflow:hidden}
.hero .tagline{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 13px;border-radius:20px;
  border:1px solid var(--line);background:var(--card);font-size:12.5px;color:var(--tx-2);margin-bottom:24px;
}
.hero h1{max-width:16ch;margin:0 auto 18px}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#60A5FA,#22D3EE);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{max-width:62ch;margin:0 auto 30px;color:var(--tx-2);font-size:16px}
.hero-search{
  max-width:600px;margin:0 auto;display:flex;align-items:center;gap:11px;height:54px;padding:0 8px 0 18px;
  background:var(--card);border:1px solid var(--line);border-radius:15px;box-shadow:var(--sh-3);transition:var(--fast);
}
.hero-search:hover{border-color:#2B3444}
.hero-search input{flex:1;background:none;border:0;outline:none;font-size:15px}
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.stat-strip div{background:var(--card);padding:22px 18px;text-align:center}
.stat-strip b{display:block;font-family:var(--f-display);font-size:30px;letter-spacing:-.03em}
.stat-strip span{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--tx-3)}
@media(max-width:700px){.stat-strip{grid-template-columns:repeat(2,1fr)}}

.marq{overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marq-in{display:flex;gap:12px;width:max-content;animation:marq 34s linear infinite}
.marq-in:hover{animation-play-state:paused}

.foot{border-top:1px solid var(--line);margin-top:70px;padding:40px 0 30px;color:var(--tx-3);font-size:13px}
.foot a{color:var(--tx-2)}
.foot a:hover{color:var(--tx)}

/* ===================== ANIMATIONS ===================== */
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.985)}to{opacity:1;transform:none}}
@keyframes dash{to{stroke-dashoffset:-26}}
@keyframes sh{to{background-position:-200% 0}}
@keyframes marq{to{transform:translateX(-50%)}}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.rise{opacity:0;animation:rise 480ms var(--ease) forwards}
.d1{animation-delay:60ms}.d2{animation-delay:120ms}.d3{animation-delay:180ms}
.d4{animation-delay:240ms}.d5{animation-delay:300ms}.d6{animation-delay:360ms}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* ==========================================================================
   AUTH SCREENS
   ========================================================================== */
.auth-wrap{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}
@media(max-width:900px){.auth-wrap{grid-template-columns:1fr}.auth-aside{display:none}}

.auth-aside{
  position:relative;overflow:hidden;border-right:1px solid var(--line);
  background:var(--bg-2);padding:48px 52px;display:flex;flex-direction:column;
}
.auth-aside::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(700px 400px at 20% 12%,rgba(59,130,246,.16),transparent 62%),
    radial-gradient(560px 340px at 88% 78%,rgba(34,211,238,.10),transparent 62%);
}
.auth-aside::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.06) 1px,transparent 0);
  background-size:28px 28px;-webkit-mask-image:linear-gradient(160deg,#000,transparent 78%);
  mask-image:linear-gradient(160deg,#000,transparent 78%);
}
.auth-aside>*{position:relative;z-index:1}
.auth-aside h2{font-size:clamp(26px,2.6vw,36px);max-width:15ch;margin:auto 0 16px}
.auth-aside p{color:var(--tx-2);max-width:44ch;font-size:14.5px}
.auth-points{display:grid;gap:12px;margin-top:26px}
.auth-points div{display:flex;gap:11px;align-items:flex-start;color:var(--tx-2);font-size:13.5px}
.auth-points span{
  width:22px;height:22px;flex:0 0 22px;border-radius:7px;display:grid;place-items:center;
  background:var(--accent-soft);color:#93C5FD;border:1px solid rgba(59,130,246,.25);
}
.auth-quote{margin-top:auto;padding-top:30px;border-top:1px solid var(--line);color:var(--tx-3);font-size:12.5px}

.auth-main{display:flex;align-items:center;justify-content:center;padding:40px 24px}
.auth-card{width:100%;max-width:410px}
.auth-card h1{font-size:27px;margin-bottom:8px}
.auth-card .lede{color:var(--tx-2);font-size:14px;margin-bottom:26px}
.auth-brand{display:flex;align-items:center;gap:10px;margin-bottom:34px}

.alert{
  display:flex;gap:10px;padding:12px 14px;border-radius:11px;font-size:13.2px;
  line-height:1.55;margin-bottom:18px;border:1px solid;
}
.alert svg{flex:0 0 17px;margin-top:1px}
.alert-err{background:var(--danger-soft);border-color:rgba(239,68,68,.3);color:#FCA5A5}
.alert-ok{background:var(--ok-soft);border-color:rgba(34,197,94,.3);color:#86EFAC}
.alert-info{background:var(--accent-soft);border-color:rgba(59,130,246,.3);color:#93C5FD}
.alert-warn{background:var(--warn-soft);border-color:rgba(245,158,11,.3);color:#FCD34D}

.inp-wrap{position:relative}
.inp-wrap .inp{height:44px;padding-left:40px}
.inp-wrap>svg{position:absolute;left:13px;top:13px;color:var(--tx-3);pointer-events:none}
.inp-wrap .peek{
  position:absolute;right:6px;top:6px;width:32px;height:32px;border:0;background:none;
  color:var(--tx-3);border-radius:8px;cursor:pointer;display:grid;place-items:center;
}
.inp-wrap .peek:hover{color:var(--tx);background:var(--card-2)}
.field label{display:flex;justify-content:space-between;align-items:center}
.field label a{color:var(--accent);font-weight:500}
.field label a:hover{text-decoration:underline}
.hint{font-size:11.5px;color:var(--tx-3);margin-top:6px;line-height:1.5}

.meter{display:flex;gap:4px;margin-top:8px}
.meter i{flex:1;height:4px;border-radius:20px;background:var(--card-2);transition:background var(--fast)}
.meter.s1 i:nth-child(1){background:#EF4444}
.meter.s2 i:nth-child(-n+2){background:#F59E0B}
.meter.s3 i:nth-child(-n+3){background:#3B82F6}
.meter.s4 i{background:#22C55E}
.meter-label{font-size:11.5px;color:var(--tx-3);margin-top:6px}

.check{display:flex;gap:10px;align-items:flex-start;font-size:12.8px;color:var(--tx-2);line-height:1.55;cursor:pointer}
.check input{
  appearance:none;width:17px;height:17px;flex:0 0 17px;margin-top:1px;border-radius:5px;
  border:1px solid var(--line);background:var(--bg-2);cursor:pointer;transition:var(--fast);
}
.check input:checked{background:var(--accent);border-color:var(--accent)}
.check input:checked::after{content:"";display:block;width:4px;height:8px;margin:2px auto;
  border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.check a{color:var(--accent)}

.auth-alt{text-align:center;margin-top:22px;font-size:13.2px;color:var(--tx-2)}
.auth-alt a{color:var(--accent);font-weight:600}
.auth-alt a:hover{text-decoration:underline}
.auth-foot{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;font-size:11.5px;color:var(--tx-3);flex-wrap:wrap;gap:8px}
.auth-foot a:hover{color:var(--tx-2)}

.big-icon{
  width:58px;height:58px;border-radius:18px;display:grid;place-items:center;
  margin-bottom:20px;font-size:25px;border:1px solid var(--line);background:var(--card-2);
}
.big-icon.ok{border-color:rgba(34,197,94,.35);background:var(--ok-soft)}
.big-icon.err{border-color:rgba(239,68,68,.35);background:var(--danger-soft)}
.big-icon.wait{border-color:rgba(59,130,246,.35);background:var(--accent-soft)}

.session-row{
  display:flex;gap:13px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line-soft);
}
.session-row:last-child{border-bottom:0}

/* user menu in top nav */
.usermenu{position:relative}
.usermenu .avatar{cursor:pointer;border:1px solid var(--line)}
.usermenu-pop{
  position:absolute;right:0;top:calc(100% + 8px);min-width:212px;z-index:95;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh-3);padding:6px;display:none;animation:pop 150ms var(--ease);
}
.usermenu-pop.on{display:block}
.usermenu-head{padding:9px 10px 11px;border-bottom:1px solid var(--line);margin-bottom:5px}
.usermenu-pop a,.usermenu-pop button{
  display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;border:0;
  background:none;border-radius:8px;color:var(--tx-2);font-size:13px;cursor:pointer;text-align:left;
}
.usermenu-pop a:hover,.usermenu-pop button:hover{background:var(--card-2);color:var(--tx)}
.usermenu-pop hr{border:0;border-top:1px solid var(--line);margin:5px 2px}
.usermenu-pop form{margin:0}

/* ==========================================================================
   PUBLIC SITE  (MVP layout: topbar, checklist, topic page, footer)
   ========================================================================== */
.skip{position:absolute;left:-9999px;top:0;background:var(--accent);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:200}
.skip:focus{left:0}

/* navbar + footer always render dark, independent of the light/dark toggle.
   Scoping the same variable names locally beats the [data-theme="light"]
   redefinition at :root, so every rule below that reads var(--bg)/var(--tx)/etc
   keeps using these dark values inside .topbar and .sitefoot (and anything
   nested inside them, like the user menu or the mobile nav panel). */
.topbar,.sitefoot{
  --bg:#0A0D13; --bg-2:#0E121A; --card:#12171F; --card-2:#161C26;
  --line:#1E2531; --line-soft:#181E28;
  --tx:#E8ECF3; --tx-2:#98A2B3; --tx-3:#667085;
  color-scheme:dark;
}

.topbar{position:sticky;top:0;z-index:80;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.topbar-in{max-width:1180px;margin:0 auto;padding:0 20px;height:60px;display:flex;align-items:center;gap:18px}
.brand-text{font-family:var(--f-display);font-weight:700;letter-spacing:-.03em;font-size:16px}
.topnav{display:flex;gap:20px;font-size:13.5px}
.topnav a{color:var(--tx-2);transition:var(--fast)}
.topnav a:hover{color:var(--tx)}
.topsearch{flex:1;max-width:340px;margin-left:auto;display:flex;align-items:center;gap:9px;height:36px;
  padding:0 12px;background:var(--card);border:1px solid var(--line);border-radius:10px;color:var(--tx-3)}
.topsearch:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.topsearch input{flex:1;background:none;border:0;outline:none;font-size:13.5px;color:var(--tx);min-width:0}
.topactions{display:flex;align-items:center;gap:8px}
.mob-menu-btn{display:none}
@media(max-width:900px){
  .topnav,.topsearch{display:none}.hide-sm{display:none}
  .mob-menu-btn{display:inline-flex}
}

/* ---------- mobile nav drawer ---------- */
.mobnav{
  display:none;position:fixed;top:60px;left:0;right:0;z-index:79;
  background:var(--bg-2);border-bottom:1px solid var(--line);box-shadow:var(--sh-2);
  padding:14px 20px 18px;max-height:calc(100vh - 60px);overflow-y:auto;
}
.mobnav.on{display:block}
.mobnav .topsearch{max-width:none;margin:0 0 14px}
.mobnav-links{display:flex;flex-direction:column}
.mobnav-links a{padding:12px 2px;font-size:14.5px;color:var(--tx-2);border-bottom:1px solid var(--line-soft)}
.mobnav-links a:last-child{border-bottom:0}
.mobnav-links a:hover{color:var(--tx)}
@media(min-width:901px){.mobnav{display:none!important}}

.page{max-width:1180px;margin:0 auto;padding:30px 20px 70px;min-height:60vh}
.page-narrow{max-width:860px}

/* ---------- hero ---------- */
.hero2{padding:52px 0 38px;border-bottom:1px solid var(--line);margin-bottom:40px}
.hero2 h1{font-size:clamp(30px,4.4vw,48px);max-width:17ch;margin-bottom:16px;letter-spacing:-.022em}
.hero2 p{color:var(--tx-2);font-size:16.5px;line-height:1.6;max-width:58ch;margin-bottom:28px}
.bigsearch{max-width:560px;display:flex;align-items:center;gap:12px;height:52px;padding:0 8px 0 18px;
  background:var(--card);border:1px solid var(--line);border-radius:13px}
.bigsearch:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.bigsearch input{flex:1;background:none;border:0;outline:none;font-size:15.5px;color:var(--tx)}

/* ---------- domain grid ---------- */
.dgrid{display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:1080px){.dgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.dgrid{grid-template-columns:1fr}}
/* a lone card on the final row stretches rather than leaving dead space */
.dgrid > .dcard:last-child:nth-child(3n+1){grid-column:1 / -1}
@media(max-width:1080px){.dgrid > .dcard:last-child:nth-child(3n+1){grid-column:auto}
  .dgrid > .dcard:last-child:nth-child(2n+1){grid-column:1 / -1}}
@media(max-width:640px){.dgrid > .dcard:last-child{grid-column:auto}}
.dcard{display:block;max-width:420px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;
  transition:border-color var(--fast),transform var(--fast)}
.dcard:hover{border-color:#2C3546;transform:translateY(-2px)}
.dcard .dtop{display:flex;align-items:center;gap:11px;margin-bottom:11px}
.dot-icon{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;flex:0 0 36px;
  background:var(--card-2) !important;color:var(--tx) !important;border:1px solid var(--line) !important}
.dcard h3{font-size:15px}
.dcard p{color:var(--tx-2);font-size:13px;margin:0 0 13px;min-height:38px}
.dcard .dmeta{display:flex;gap:14px;font-family:var(--f-mono);font-size:10.5px;color:var(--tx-3);
  padding-top:11px;border-top:1px solid var(--line-soft)}

/* ---------- roadmap list rows ---------- */
.rrow{display:flex;align-items:center;gap:15px;padding:16px;background:var(--card);
  border:1px solid var(--line);border-radius:13px;margin-bottom:10px;transition:var(--fast)}
.rrow:hover{border-color:#2C3546;transform:translateX(2px)}
.rrow .rmain{flex:1;min-width:0}
.rrow h3{font-size:15px;margin-bottom:4px}
.rrow p{color:var(--tx-2);font-size:13px;margin:0}
.rrow .rmeta{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
@media(max-width:640px){.rrow{flex-wrap:wrap}}

/* ---------- checklist ---------- */
.checklist{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--card)}
.csec+.csec{border-top:1px solid var(--line)}
.csec>summary{display:flex;align-items:center;gap:12px;padding:15px 18px;cursor:pointer;list-style:none;
  transition:background var(--fast)}
.csec>summary::-webkit-details-marker{display:none}
.csec>summary:hover{background:var(--card-2)}
.csec .caret{transition:transform var(--fast);color:var(--tx-3);flex:0 0 16px}
.csec[open] .caret{transform:rotate(90deg)}
.csec .ctitle{flex:1;min-width:0}
.csec .ctitle b{display:block;font-size:14.5px;font-weight:600}
.csec .ctitle span{font-size:12.5px;color:var(--tx-3)}
.csec .cprog{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.csec .cprog .bar{width:90px}
.csec .cprog .mono{font-size:11px;color:var(--tx-3);white-space:nowrap}
@media(max-width:640px){.csec .cprog .bar{display:none}}

.ctopics{border-top:1px solid var(--line-soft);background:var(--bg-2)}
.ctopic{display:flex;align-items:center;gap:13px;padding:11px 18px 11px 46px;
  border-bottom:1px solid var(--line-soft);transition:background var(--fast)}
.ctopic:last-child{border-bottom:0}
.ctopic:hover{background:var(--card)}
.ctopic .tick{width:20px;height:20px;flex:0 0 20px;border-radius:6px;border:1.5px solid var(--line);
  background:var(--bg);cursor:pointer;display:grid;place-items:center;transition:var(--fast);padding:0}
.ctopic .tick:hover{border-color:var(--accent)}
.ctopic .tick svg{opacity:0;transform:scale(.6);transition:var(--fast);color:#fff}
.ctopic.done .tick{background:var(--ok);border-color:var(--ok)}
.ctopic.done .tick svg{opacity:1;transform:none}
.ctopic .tname{flex:1;min-width:0;font-size:13.8px}
.ctopic.done .tname{color:var(--tx-3)}
.ctopic.done .tname a{text-decoration:line-through;text-decoration-color:var(--tx-3)}
.ctopic .tname a:hover{color:var(--accent)}
.ctopic .tmeta{display:flex;gap:10px;align-items:center;font-family:var(--f-mono);font-size:10.5px;color:var(--tx-3)}
@media(max-width:640px){.ctopic{padding-left:18px}.ctopic .tmeta .hrs{display:none}}

/* ---------- sticky progress ---------- */
.progbox{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:16px 18px;margin-bottom:18px}
.progbox .ptop{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px}
.progbox .pnum{font-family:var(--f-display);font-size:22px;letter-spacing:-.02em}
.progbox .plabel{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--tx-3)}

/* ---------- topic page ---------- */
.tlayout{display:grid;grid-template-columns:1fr 268px;gap:38px;align-items:start}
@media(max-width:960px){.tlayout{grid-template-columns:1fr}.tside{order:-1}}
.tside{position:sticky;top:80px;display:grid;gap:14px}
.tbox{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:15px}
.tbox h3{font-family:var(--f-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--tx-3);font-weight:500;margin-bottom:11px}
.tfacts{display:grid;gap:9px}
.tfacts div{display:flex;justify-content:space-between;font-size:12.8px;color:var(--tx-2)}
.tfacts b{color:var(--tx);font-weight:600}

.prose{font-size:15.2px;line-height:1.75;color:var(--tx-2);max-width:70ch}
.prose p{margin:0 0 16px}
.prose strong{color:var(--tx)}
.prose h2{font-size:20px;margin:32px 0 12px;color:var(--tx)}
.prose code{font-family:var(--f-mono);font-size:.88em;background:var(--card-2);border:1px solid var(--line);
  padding:1px 5px;border-radius:5px;color:var(--tx)}

.blocklist{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.blocklist li{display:flex;gap:10px;font-size:14px;color:var(--tx-2);line-height:1.6}
.blocklist li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);
  margin-top:9px;flex:0 0 5px}

.reslist{display:grid;gap:9px}
.res{display:flex;align-items:center;gap:13px;padding:13px 15px;background:var(--card);
  border:1px solid var(--line);border-radius:11px;transition:var(--fast)}
.res:hover{border-color:#2C3546;transform:translateX(3px)}
.res .rkind{width:34px;height:34px;flex:0 0 34px;border-radius:9px;display:grid;place-items:center;
  background:var(--card-2);border:1px solid var(--line);color:var(--tx-2)}
.res .rtext{flex:1;min-width:0}
.res .rtext b{display:block;font-size:13.8px;font-weight:600;color:var(--tx)}
.res .rtext span{font-size:11.8px;color:var(--tx-3)}

.pager{display:flex;gap:12px;margin-top:38px;padding-top:24px;border-top:1px solid var(--line)}
.pager a{flex:1;padding:14px 16px;background:var(--card);border:1px solid var(--line);
  border-radius:12px;transition:var(--fast)}
.pager a:hover{border-color:#2C3546}
.pager .plab{font-family:var(--f-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--tx-3)}
.pager .ptitle{font-size:14px;font-weight:600;margin-top:4px}
.pager .next{text-align:right}
@media(max-width:640px){.pager{flex-direction:column}}

/* ---------- suggest box ---------- */
.suggest{border:1px dashed var(--line);border-radius:13px;padding:20px;text-align:center;margin-top:34px;background:var(--card)}
.suggest h3{font-size:15px;margin-bottom:6px}
.suggest p{color:var(--tx-2);font-size:13.5px;margin:0 auto 14px;max-width:52ch}

/* ---------- search ---------- */
.sresult{display:flex;align-items:center;gap:13px;padding:13px 15px;background:var(--card);
  border:1px solid var(--line);border-radius:11px;margin-bottom:8px;transition:var(--fast)}
.sresult:hover{border-color:#2C3546}
.sresult .stitle{flex:1;min-width:0}
.sresult .stitle b{display:block;font-size:14px;color:var(--tx)}
.sresult .stitle span{font-size:12px;color:var(--tx-3)}

/* ---------- footer ---------- */
.sitefoot{border-top:1px solid var(--line);margin-top:60px;background:var(--bg-2)}
.sitefoot-in{max-width:1180px;margin:0 auto;padding:44px 20px 30px;display:grid;gap:34px;
  grid-template-columns:1.6fr 1fr 1fr 1fr}
@media(max-width:820px){.sitefoot-in{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.sitefoot-in{grid-template-columns:1fr}}
.foot-brand p{color:var(--tx-3);font-size:13px;max-width:34ch;margin:12px 0 0}
.foot-brand a{color:var(--tx-2)}
.foot-col h3{font-family:var(--f-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--tx-3);font-weight:500;margin-bottom:12px}
.foot-col a{display:block;color:var(--tx-2);font-size:13.2px;padding:4px 0;transition:var(--fast)}
.foot-col a:hover{color:var(--tx)}
.sitefoot-bar{max-width:1180px;margin:0 auto;padding:16px 20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
  font-family:var(--f-mono);font-size:11px;color:var(--tx-3)}

/* ==========================================================================
   MIND MAP CANVAS
   Node styling follows the roadmap.sh convention: solid cyan boxes with a
   hard border, so the map reads the same in light and dark themes.
   ========================================================================== */
:root{
  --mm-paper:#0C1017;
  --mm-line:#3E4A5E;
  --mm-node:#22D3EE;
  --mm-node-b:#161A20;
  --mm-node-tx:#0F172A;
  --mm-sub:#A78BFA;
  --mm-done:#86EFAC;
  --mm-skip:#3E5C64;
  
}
[data-theme="light"]{
  --mm-paper:#FBFBF9;
  --mm-line:#93A1B5;
  --mm-node:#67E8F9;
  --mm-node-b:#1A1A1A;
  --mm-node-tx:#0F172A;
  --mm-sub:#C4B5FD;
  --mm-done:#22C55E;
  --mm-skip:#9FC7CE;
}

.map-shell{position:relative}
.map-wrap{
  position:relative;
  background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.05) 1px,transparent 0);
  background-size:24px 24px;
  padding:16px 0;
  /* no fixed/max height here, so there is nothing to clip vertically:
     the page's own scroll carries you through the diagram top to bottom.
     overflow-x:auto only kicks in sideways, for diagrams wider than the
     screen, same as roadmap.sh's own map strip. */
  overflow-x:auto;
}
[data-theme="light"] .map-wrap{background-image:radial-gradient(circle at 1px 1px,rgba(0,0,0,.07) 1px,transparent 0)}
#map{display:block;user-select:none;-webkit-user-select:none;margin:0 auto}

.mm-edge{fill:none;stroke:var(--mm-line);stroke-width:2;stroke-linecap:round}
.mm-edge.dashed{stroke-dasharray:2 7}

.mm-group>rect{fill:rgba(255,255,255,.03);stroke:var(--mm-line);stroke-width:1.5}
[data-theme="light"] .mm-group>rect{fill:rgba(0,0,0,.02)}
.mm-group-t{fill:var(--tx-3);font-family:var(--f-body);font-size:11.5px;font-weight:600;
  letter-spacing:.05em;text-transform:uppercase}

.mm-label text{fill:var(--tx);font-family:var(--f-display);font-size:17px;font-weight:700}

.mm-node{cursor:pointer;transition:opacity 160ms var(--ease)}
.mm-node .mm-box{
  fill:var(--mm-node);stroke:var(--mm-node-b);stroke-width:1.6;
  transition:fill 140ms var(--ease),filter 140ms var(--ease);
}
.mm-node.subtopic .mm-box{fill:var(--mm-sub)}
.mm-node .mm-t{fill:var(--mm-node-tx);font-family:var(--f-body);font-weight:600;pointer-events:none}
.mm-node:hover .mm-box{filter:brightness(1.08) drop-shadow(0 3px 8px rgba(0,0,0,.45))}
.mm-node:focus-visible .mm-box{stroke-width:3;stroke:var(--accent)}
.mm-node.sel .mm-box{stroke:var(--accent);stroke-width:3}
.mm-node.dim{opacity:.16}

.mm-node.is-done .mm-box{fill:var(--mm-done)}
.mm-node.is-done .mm-t{opacity:.75}
.mm-node.is-skip .mm-box{fill:var(--mm-skip)}
.mm-node.is-skip .mm-t{fill:#E5E7EB;opacity:.7}
.mm-tick{fill:none;stroke:#14532D;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.mm-ext{fill:none;stroke:var(--mm-node-tx);stroke-width:1.6;stroke-linecap:round;opacity:.65}

/* toolbar sits above the map, sticks near the top of the viewport while
   you scroll through a tall diagram, then scrolls away with the section */
.map-toolbar{
  position:sticky;top:70px;z-index:60;display:flex;justify-content:space-between;
  align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap;
}
.map-zoom{display:flex;gap:6px}
.mbtn{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;cursor:pointer;
  background:color-mix(in srgb,var(--card) 96%,transparent);border:1px solid var(--line);
  color:var(--tx-2);backdrop-filter:blur(8px);transition:var(--fast);
}
.mbtn:hover{color:var(--tx);border-color:#38445A}
.map-find{
  display:flex;align-items:center;gap:8px;height:34px;padding:0 11px;border-radius:9px;
  background:color-mix(in srgb,var(--card) 96%,transparent);border:1px solid var(--line);
  backdrop-filter:blur(8px);max-width:min(280px,60vw);
}
.map-find input{background:none;border:0;outline:none;font-size:13px;width:100%;min-width:0;color:var(--tx)}

.map-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:12px}
.map-legend{display:flex;gap:12px;align-items:center;flex-wrap:wrap;font-size:11.5px;color:var(--tx-2)}
.map-legend i{width:11px;height:11px;border-radius:3px;display:inline-block;margin-right:6px;
  border:1px solid var(--mm-node-b);vertical-align:-1px}
@media(max-width:700px){.map-legend{display:none}.map-toolbar{top:64px}.map-find{max-width:44vw}}

.map-suggest{margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}

/* ---------- node drawer ---------- */
.nd{
  position:fixed;top:0;right:0;width:min(560px,100%);height:100vh;z-index:120;
  background:var(--bg-2);border-left:1px solid var(--line);box-shadow:var(--sh-3);
  transform:translateX(100%);transition:transform 240ms var(--ease);
  display:flex;flex-direction:column;
}
.nd.on{transform:none}
.nd-head{padding:18px 20px 14px;border-bottom:1px solid var(--line);display:flex;gap:14px;align-items:flex-start}
.nd-head h2{font-size:23px;line-height:1.25;flex:1;min-width:0}
.nd-body{flex:1;overflow-y:auto;padding:20px;overscroll-behavior:contain}
.nd-h{font-family:var(--f-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--tx-3);font-weight:500;margin:26px 0 11px}
.nd-status{display:flex;gap:6px;padding:12px 20px;border-bottom:1px solid var(--line);background:var(--card)}
.nd-status button{
  flex:1;height:34px;border-radius:9px;border:1px solid var(--line);background:var(--bg-2);
  color:var(--tx-2);font-size:12.8px;cursor:pointer;transition:var(--fast);
}
.nd-status button:hover{color:var(--tx);border-color:#38445A}
.nd-status button.on[data-v="done"]{background:var(--ok-soft);border-color:rgba(34,197,94,.45);color:#86EFAC}
.nd-status button.on[data-v="learning"]{background:var(--accent-soft);border-color:rgba(59,130,246,.45);color:#93C5FD}
.nd-status button.on[data-v="skip"]{background:var(--card-2);border-color:#3A4353;color:var(--tx-2)}
.nd-status button.on[data-v="pending"]{background:var(--card-2);border-color:#3A4353;color:var(--tx)}

.nd-suggest{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.nd-suggest .card{padding:14px}

.nd-res{display:grid;gap:7px}
.nd-res a{
  display:flex;align-items:center;gap:11px;padding:10px 12px;border:1px solid var(--line);
  border-radius:10px;background:var(--card);transition:var(--fast);
}
.nd-res a:hover{border-color:#38445A;transform:translateX(3px)}
.nd-prereq{list-style:none;display:grid;gap:6px;margin:0;padding:0}
.nd-prereq li{
  position:relative;padding:8px 12px 8px 30px;border:1px solid var(--line);border-radius:10px;
  background:var(--card);font-size:13.6px;color:var(--tx-2);
}
.nd-prereq li::before{
  content:"";position:absolute;left:12px;top:50%;transform:translateY(-50%);
  width:7px;height:7px;border-radius:50%;background:var(--tx-3);
}
.rttl{flex:1;min-width:0;font-size:13.6px;color:var(--tx)}
.rtag{
  font-family:var(--f-mono);font-size:9.5px;letter-spacing:.06em;text-transform:uppercase;
  padding:3px 7px;border-radius:5px;flex:0 0 auto;
}
.rtag.course{background:rgba(34,197,94,.18);color:#86EFAC}
.rtag.article{background:rgba(245,158,11,.18);color:#FCD34D}
.rtag.video{background:rgba(167,139,250,.18);color:#C4B5FD}
.rtag.docs{background:rgba(59,130,246,.18);color:#93C5FD}
.rtag.opensource{background:rgba(34,211,238,.18);color:#67E8F9}
.rtag.practice{background:rgba(244,114,182,.18);color:#F9A8D4}
.rtag.book{background:rgba(148,163,184,.2);color:#CBD5E1}
.rtag.tool{background:rgba(56,189,248,.18);color:#7DD3FC}
.rtag.project{background:rgba(245,158,11,.18);color:#FCD34D}

@media(max-width:640px){
  .nd{width:100%;height:88vh;top:auto;bottom:0;border-left:0;border-top:1px solid var(--line);
      border-radius:18px 18px 0 0;transform:translateY(100%)}
  .nd.on{transform:none}
  .nd-head h2{font-size:20px}
}
body.drawer-open{overflow:hidden}

/* rendered markdown inside the drawer */
.md{font-size:14.8px;line-height:1.72;color:var(--tx-2)}
.md > *:first-child{margin-top:0}
.md p{margin:0 0 14px}
.md h1{font-size:21px;color:var(--tx);margin:26px 0 10px}
.md h2{font-size:18px;color:var(--tx);margin:24px 0 10px}
.md h3{font-size:15.5px;color:var(--tx);margin:20px 0 8px}
.md strong{color:var(--tx)}
.md a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.md ul,.md ol{margin:0 0 14px;padding-left:20px}
.md li{margin-bottom:6px}
.md code{font-family:var(--f-mono);font-size:.87em;background:var(--card-2);border:1px solid var(--line);
  padding:1px 5px;border-radius:5px;color:var(--tx)}
.md pre{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:13px 15px;
  overflow-x:auto;margin:0 0 16px}
.md pre code{background:none;border:0;padding:0;font-size:12.8px;line-height:1.6}
.md blockquote{border-left:3px solid var(--accent);padding:2px 0 2px 14px;margin:0 0 16px;color:var(--tx-3)}
.md table{width:100%;border-collapse:collapse;margin:0 0 16px;font-size:13.4px}
.md th{text-align:left;padding:9px 11px;border-bottom:1px solid var(--line);color:var(--tx-3);
  font-family:var(--f-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;font-weight:500}
.md td{padding:9px 11px;border-bottom:1px solid var(--line-soft)}
.md img{max-width:100%;height:auto;border-radius:10px;border:1px solid var(--line)}
.md hr{border:0;border-top:1px solid var(--line);margin:22px 0}

/* autocomplete dropdown */
.ac-box{position:absolute;z-index:95;display:none;background:var(--card);border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--sh-3);max-height:340px;overflow:auto;padding:6px}
.ac-box.on{display:block}
.ac-box a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;color:var(--tx-2)}
.ac-box a:hover{background:var(--card-2);color:var(--tx)}
.ac-t{flex:1;min-width:0;font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ac-s{font-family:var(--f-mono);font-size:10.5px;color:var(--tx-3);flex:0 0 auto}

/* ==========================================================================
   ADMIN MAP EDITOR
   ========================================================================== */
.ed-toolbar{
  display:flex;gap:14px;align-items:center;flex-wrap:wrap;padding:10px 12px;margin-bottom:12px;
  background:var(--card);border:1px solid var(--line);border-radius:12px;
}
.ed-group{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.ed-group + .ed-group{padding-left:14px;border-left:1px solid var(--line)}
@media(max-width:820px){.ed-group + .ed-group{border-left:0;padding-left:0}}

.ed-shell{display:grid;grid-template-columns:1fr 320px;gap:14px;align-items:start}
@media(max-width:1000px){.ed-shell{grid-template-columns:1fr}}

.ed-canvas{
  position:relative;height:min(72vh,760px);min-height:420px;border:1px solid var(--line);
  border-radius:12px;overflow:hidden;background:var(--mm-paper);cursor:grab;touch-action:none;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:40px 40px;
}
[data-theme="light"] .ed-canvas{
  background-image:
    linear-gradient(rgba(0,0,0,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,0,0,.06) 1px,transparent 1px);
}
.ed-canvas.grabbing{cursor:grabbing}
.ed-canvas.connecting{cursor:crosshair}
#edSvg{width:100%;height:100%;display:block;user-select:none}
.ed-hint{
  position:absolute;left:12px;bottom:12px;font-size:11.8px;color:var(--tx-3);
  background:color-mix(in srgb,var(--card) 92%,transparent);border:1px solid var(--line);
  padding:6px 11px;border-radius:8px;backdrop-filter:blur(6px);max-width:70%;
}

.ed-edge{fill:none;stroke:var(--mm-line);stroke-width:2}
.ed-edge.dashed{stroke-dasharray:2 7}

.ed-node{cursor:move}
.ed-node .ed-box{fill:var(--mm-node);stroke:var(--mm-node-b);stroke-width:1.6}
.ed-node.subtopic .ed-box{fill:var(--mm-sub)}
.ed-node.link .ed-box{fill:#BFDBFE}
.ed-node.group .ed-box{fill:rgba(255,255,255,.04);stroke:var(--mm-line);stroke-width:1.5;stroke-dasharray:4 4}
.ed-node.draft .ed-box{opacity:.45;stroke-dasharray:5 4}
.ed-node.sel .ed-box{stroke:var(--accent);stroke-width:3}
.ed-node.from .ed-box{stroke:var(--info);stroke-width:3}
.ed-node .ed-t{fill:var(--mm-node-tx);font-family:var(--f-body);font-size:12.5px;font-weight:600;pointer-events:none}
.ed-node .ed-gt{fill:var(--tx-3);font-family:var(--f-body);font-size:11px;font-weight:600;
  text-transform:uppercase;letter-spacing:.06em;pointer-events:none}
.ed-node .ed-lt{fill:var(--tx);font-family:var(--f-display);font-size:15px;font-weight:700;pointer-events:none}
.ed-flag{pointer-events:none}
.ed-flag.warn{fill:#EF4444}
.ed-res{fill:var(--mm-node-tx);font-family:var(--f-mono);font-size:9px;opacity:.6;pointer-events:none}

.ed-side{
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;
  position:sticky;top:76px;max-height:calc(100vh - 96px);overflow-y:auto;
}
.ed-edge-row{
  display:flex;align-items:center;gap:8px;justify-content:space-between;font-size:12.8px;
  color:var(--tx-2);padding:7px 0;border-bottom:1px solid var(--line-soft);
}
.ed-edge-row span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* content editor */
.ce-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
@media(max-width:900px){.ce-grid{grid-template-columns:1fr}}
.ce-pane{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.ce-head{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line);
  background:var(--bg-2)}
.ce-head h3{font-size:13px;flex:1}
.ce-ta{
  width:100%;min-height:460px;border:0;background:var(--card);color:var(--tx);padding:15px;
  font-family:var(--f-mono);font-size:13px;line-height:1.7;resize:vertical;outline:none;display:block;
}
.ce-prev{padding:18px;min-height:460px;max-height:70vh;overflow-y:auto}
.ce-tools{display:flex;gap:5px;flex-wrap:wrap;padding:8px 14px;border-bottom:1px solid var(--line);
  background:var(--bg-2)}
.ce-tools button{
  height:27px;padding:0 9px;border-radius:7px;border:1px solid var(--line);background:var(--card);
  color:var(--tx-2);font-size:11.5px;cursor:pointer;font-family:var(--f-mono);
}
.ce-tools button:hover{color:var(--tx);border-color:#38445A}

/* ==========================================================================
   MOTION AND DEPTH
   Everything below is presentation only. It respects prefers-reduced-motion,
   and nothing here is required for the page to function.
   ========================================================================== */

/* ---------- entrance ---------- */
@keyframes ra-rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes ra-fade{from{opacity:0}to{opacity:1}}

.hero2 > *{animation:ra-rise .6s cubic-bezier(.22,.61,.36,1) both}
.hero2 h1{animation-delay:.02s}
.hero2 > p{animation-delay:.08s}
.hero2 .bigsearch{animation-delay:.14s}
.hero2 .meta-row{animation-delay:.2s}

/* cards arrive in a short stagger, capped so a long list never crawls in */
.dgrid > *{animation:ra-rise .5s cubic-bezier(.22,.61,.36,1) both}
.dgrid > *:nth-child(1){animation-delay:.04s}
.dgrid > *:nth-child(2){animation-delay:.08s}
.dgrid > *:nth-child(3){animation-delay:.12s}
.dgrid > *:nth-child(4){animation-delay:.16s}
.dgrid > *:nth-child(5){animation-delay:.2s}
.dgrid > *:nth-child(6){animation-delay:.24s}
.dgrid > *:nth-child(n+7){animation-delay:.26s}

.rrow{animation:ra-rise .45s cubic-bezier(.22,.61,.36,1) both}
.rrow:nth-child(2){animation-delay:.05s}
.rrow:nth-child(3){animation-delay:.1s}
.rrow:nth-child(n+4){animation-delay:.14s}

/* The page background already carries a fixed, page-wide atmospheric
   gradient (see body::before). A second glow specifically behind the
   hero was redundant and, on narrow viewports, was the one bleeding
   past its container and causing horizontal scroll. Removed rather
   than re-contained: one quiet gradient reads calmer than two. */
.hero2{position:relative}

/* ---------- cards: accent rail, lift, glow ---------- */
.dcard{position:relative;overflow:hidden;isolation:isolate;
  transition:transform .22s cubic-bezier(.22,.61,.36,1),border-color .22s,box-shadow .22s}
.dcard::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:var(--accent);transform:scaleY(0);transform-origin:center;
  transition:transform .22s var(--ease);
}
.dcard:hover{
  transform:translateY(-2px);
  border-color:color-mix(in srgb,var(--tx) 16%,var(--line));
  box-shadow:var(--sh-2);
}
.dcard:hover::before{transform:scaleY(1)}
.dcard h3{transition:color .16s}
.dcard:hover h3{color:var(--accent)}

.rrow{position:relative;overflow:hidden;
  transition:transform .2s cubic-bezier(.22,.61,.36,1),border-color .2s,box-shadow .2s}
.rrow::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:var(--accent);transform:scaleY(0);transform-origin:center;
  transition:transform .26s cubic-bezier(.22,.61,.36,1);
}
.rrow:hover{transform:translateX(3px);border-color:color-mix(in srgb,var(--accent) 34%,var(--line));
  box-shadow:0 12px 30px -20px rgba(0,0,0,.8)}
.rrow:hover::before{transform:scaleY(1)}

/* Button hover and active states are defined once, in the base
   BUTTONS section above. A moving light-sweep on every hover was
   removed from here: decoration for its own sake, not a signal. */

/* ---------- search field ---------- */
.bigsearch{transition:border-color .22s,box-shadow .22s,transform .22s}
.bigsearch:focus-within{
  border-color:color-mix(in srgb,var(--accent) 55%,var(--line));
  box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 14%,transparent),
             0 14px 34px -22px color-mix(in srgb,var(--accent) 80%,transparent);
}

/* ---------- stat strip on the hero ---------- */
.hero2 .meta-row span{transition:color .2s}
.hero2 .meta-row span:hover{color:var(--tx)}

/* ---------- section headings get a small rule ---------- */
.page > h2{position:relative;padding-left:14px}
.page > h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--accent),transparent);
}

/* ---------- map nodes: back to the reference amber, with life ---------- */
.mm-node .mm-box{transition:fill .2s ease,filter .2s ease,stroke .2s ease}
.mm-node:hover .mm-box{filter:brightness(1.06) drop-shadow(0 4px 12px rgba(0,0,0,.5))}
.mm-node:active .mm-box{filter:brightness(.97)}
.mm-node.sel .mm-box{filter:drop-shadow(0 0 12px color-mix(in srgb,var(--accent) 60%,transparent))}
.mm-edge{transition:stroke .2s ease,opacity .2s ease}
.mm-node,.mm-label{animation:ra-fade .45s ease both}

/* ---------- drawer ---------- */
.nd{will-change:transform}
.nd.on .nd-body > *{animation:ra-rise .34s cubic-bezier(.22,.61,.36,1) both}
.nd.on .nd-body > *:nth-child(2){animation-delay:.05s}
.nd.on .nd-body > *:nth-child(3){animation-delay:.1s}
.nd.on .nd-body > *:nth-child(4){animation-delay:.14s}
.nd-res a{transition:transform .18s cubic-bezier(.22,.61,.36,1),border-color .18s,background .18s}
.nd-res a:hover{transform:translateX(4px);background:var(--card-2)}

/* dim the page behind the open drawer */
.nd-scrim{
  position:fixed;inset:0;z-index:110;background:rgba(4,7,12,.55);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s;
}
body.drawer-open .nd-scrim{opacity:1;visibility:visible}

/* ---------- progress bar ----------
   The fill animates only when its width actually changes. An infinite
   shimmer that never stops is motion with nothing to say. */
.bar{overflow:hidden;position:relative}
.bar i{transition:width .6s cubic-bezier(.22,.61,.36,1)}

/* ---------- top bar sharpens once you scroll ---------- */
.topbar{transition:box-shadow .25s ease,background .25s ease}
.topbar.scrolled{box-shadow:0 8px 26px -20px rgba(0,0,0,.9)}

/* ---------- links ---------- */
.topnav a{position:relative}
.topnav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-5px;height:1.5px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .24s cubic-bezier(.22,.61,.36,1);
}
.topnav a:hover::after{transform:scaleX(1)}

/* ---------- accordion ---------- */
.acc{transition:border-color .2s,background .2s}
.acc:hover{border-color:color-mix(in srgb,var(--accent) 26%,var(--line))}
.acc[open]{border-color:color-mix(in srgb,var(--accent) 30%,var(--line))}
.acc[open] .acc-body{animation:ra-rise .3s cubic-bezier(.22,.61,.36,1) both}

/* ---------- empty state ---------- */
/* An empty state should read as calm and settled, not as though
   something is still loading. No perpetual bob on the icon. */

/* ---------- honour the accessibility preference ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;scroll-behavior:auto !important;
  }
  .dcard:hover,.rrow:hover{transform:none}
}

/* scroll reveal, opt in via data-reveal */
[data-reveal]{opacity:0;transform:translateY(18px);
  transition:opacity .55s cubic-bezier(.22,.61,.36,1),transform .55s cubic-bezier(.22,.61,.36,1)}
[data-reveal].revealed{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none}}