/* styles_v21.css  (FULL REPLACEMENT)
   Purpose: remove any dash/marker injection and force normal bullets everywhere.
   IMPORTANT: update your HTML to: <link rel="stylesheet" href="styles_v21.css" />
*/

:root{
  --bg:#f6f8fc;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --line:#e2e8f0;
  --accent:#2563eb;
  --shadow: 0 12px 28px rgba(15,23,42,.08);
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }

body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height:1.5;
}

a{ color: var(--accent); text-decoration:none; }
a:hover{ text-decoration:underline; }

.container{ max-width: 980px; margin: 0 auto; padding: 24px 16px 64px; }

/* Top nav */
.nav{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,.85);
  border-bottom: 1px solid var(--line);
}

.nav-inner{
  max-width: 980px;
  margin: 0 auto;
  padding: 12px 16px;
  display:flex;
  gap: 12px;
  align-items:center;
  justify-content:space-between;
}

.brand{ display:flex; flex-direction:column; gap:2px; }
.brand .title{ letter-spacing:.2px; font-size:16px; font-weight:800; }
.brand .sub{ font-size:12px; color: var(--muted); }

.nav-links{ display:flex; flex-wrap:wrap; gap:10px; align-items:center; }
.nav-links a{
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
}
.nav-links a[aria-current="page"]{
  border-color: var(--line);
  background: rgba(15,23,42,.03);
}

/* Cards */
.card{
  background: rgba(255,255,255,.95);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow);
  margin: 14px 0;

  /* Safe: do not clip content */
  overflow: visible;
}

/* Headings */
h1{ font-size: 28px; margin: 16px 0 10px; }
h2{ font-size: 20px; margin: 18px 0 8px; }
h3{ font-size: 16px; margin: 16px 0 8px; }

.muted{ color: var(--muted); }
.small{ font-size: 12px; color: var(--muted); }
.hr{ height:1px; background:var(--line); margin:16px 0; }

/* Badges / buttons */
.badge{
  display:inline-flex;
  gap:8px;
  align-items:center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(15,23,42,.02);
  color: var(--muted);
  font-size: 12px;
}

.btn{
  display:inline-block;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(37,99,235,.10);
  color: var(--text);
  cursor:pointer;
}
.btn:hover{ background: rgba(37,99,235,.14); }

/* Grid helpers */
.grid{ display:grid; grid-template-columns: repeat(12, 1fr); gap: 12px; }
.col-12{ grid-column: span 12; }
@media (min-width: 860px){
  .col-7{ grid-column: span 7; }
  .col-5{ grid-column: span 5; }
}

/* Accordion */
details.accordion{
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(15,23,42,.02);
  padding: 10px 12px;
  margin: 10px 0;
  overflow: visible;
}
details.accordion summary{
  cursor:pointer;
  font-weight:700;
  list-style:none;
}
details.accordion summary::-webkit-details-marker{ display:none; }
details.accordion[open]{ background: rgba(255,255,255,.04); }

/* Formula blocks */
.formula{
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  background: rgba(15,23,42,.03);
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  overflow-x:auto;
}

/* Footer */
.footer{
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.site-footer{
  margin-top:24px;
  padding:14px 0;
  border-top:1px solid var(--line);
  font-size:12px;
  color:var(--muted);
}
.site-footer .fineprint{ opacity:.9; }

.site-footer a{
  color: var(--accent);
  text-decoration: underline;
  word-break: break-word;
}
.site-footer a:hover{ opacity: 0.85; }

sup a{ color: var(--accent); }

/* Home title */
.home-title{
  font-size: clamp(2.1rem, 3.2vw, 3rem);
  font-weight: 900;
  letter-spacing: .2px;
}

/* Focus */
:focus{
  outline:2px solid rgba(34,90,160,0.55);
  outline-offset:2px;
}

/* -------------------------------
   LIST / BULLET HARDENING (KEY FIX)
   This prevents ANY dash pseudo-bullets and forces real markers.
-------------------------------- */

/* Ensure normal bullets and spacing in cards */
main.container .card ul{
  list-style-type: disc !important;
  list-style-position: outside !important;
  padding-left: 1.4rem !important;
  margin: 12px 0 !important;
}
main.container .card ol{
  list-style-type: decimal !important;
  list-style-position: outside !important;
  padding-left: 1.4rem !important;
  margin: 12px 0 !important;
}
main.container .card li{
  display: list-item !important;
  margin: 8px 0 !important;
}

/* Kill any injected dash/marker systems */
main.container .card ul li::before,
main.container .card ul li::after,
main.container .card ol li::before,
main.container .card ol li::after,
main.container .card li::before,
main.container .card li::after{
  content: none !important;
  display: none !important;
}

/* Make sure the browser marker is allowed to show */
main.container .card li::marker{
  content: initial !important;
}

/* Anti-truncation, but SAFE (does not touch display) */
main.container, .container, .card, .card p, .card ul, .card li{
  overflow: visible !important;
  height: auto !important;
  max-height: none !important;
  white-space: normal !important;
  text-overflow: clip !important;
  -webkit-line-clamp: unset !important;
  line-clamp: unset !important;
}