/* Enlaces destacados en descripciones de labs */
.lab-description a,
.lab-description a:visited {
  color: var(--hl-primary) !important;
  text-decoration: none;
  font-weight: 400;
  transition: text-decoration 0.15s;
}
.lab-description a:hover {
  text-decoration: underline;
  color: var(--hl-primary) !important;
}
/* Custom tooltip for GitHub star */
.gh-tooltip {
  box-shadow: 0 4px 20px rgba(0,0,0,.18);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s;
  background: #18181b;
  color: #fff;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 100%;
  margin-top: 0.5rem;
  border-radius: 0.5rem;
  min-width: 120px;
  text-align: center;
  z-index: 50;
}
.group:hover .gh-tooltip,
.group:focus .gh-tooltip {
  opacity: 1 !important;
  pointer-events: auto;
}
.gh-tooltip-arrow {
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid #18181b;
  margin-top: -2px;
}
/* MFC HACK LAB – estilos propios */

/* Pantalla de carga: logo flotando + contador de porcentaje + barra fina. */
.mfc-loader {
  position: fixed; inset: 0; z-index: 99999; background: #000;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 22px;
  transition: opacity .4s ease, visibility .4s ease;
}
.mfc-loader--hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.mfc-loader__logo {
  width: 64px; height: 64px; animation: mfc-loader-float 2.4s ease-in-out infinite;
  filter: drop-shadow(0 0 22px rgba(242,18,27,.5));
}
@keyframes mfc-loader-float {
  0%, 100% { transform: translateY(0); filter: drop-shadow(0 0 22px rgba(242,18,27,.5)); }
  50%      { transform: translateY(-10px); filter: drop-shadow(0 0 32px rgba(242,18,27,.7)); }
}
.mfc-loader__pct {
  font: 600 28px/1 'JetBrains Mono', ui-monospace, monospace; letter-spacing: .04em;
  color: #fff; font-variant-numeric: tabular-nums;
}
.mfc-loader__bar { width: 160px; height: 2px; border-radius: 99px; background: rgba(255,255,255,.1); overflow: hidden; }
.mfc-loader__bar i {
  display: block; height: 100%; width: 0%; border-radius: 99px;
  background: linear-gradient(90deg, #f2121b, #ff3a42);
  transition: width .12s linear;
}
@media (prefers-reduced-motion: reduce) {
  .mfc-loader__logo { animation: none; }
}

/* ── CSS Custom Properties ── */
:root {
  --hl-primary:       #f2121b;
  --hl-primary-rgb:   242,18,27;
  --hl-primary-hover: #ff3a42;
  --hl-secondary:     #e94a73;
  --hl-secondary-rgb: 233,74,115;
  --hl-on-primary:    #ffffff;
  --hl-surface:       #0a0a0a;
  --hl-surface-2:     #000000;
  --hl-border:        rgba(255,255,255,0.09);
  --hl-text-red:      #ff4a52;
}

html.dark {
  --hl-surface:   #0a0a0a;
  --hl-surface-2: #000000;
  --hl-border:    rgba(255,255,255,0.09);
}

/* ── Fonts (MFC HACK LAB: Evogria + JetBrains Mono) ── */
h1, h2, h3, h4, .font-display, .logo-text {
  font-family: var(--gd-title);
  font-weight: 400;
  letter-spacing: 0.01em;
}
body { font-family: var(--gd-mono); font-size: 14.5px; line-height: 1.7; letter-spacing: -0.005em; }
pre, code { font-family: var(--gd-mono); }

/* ── Sidebar ── */
.sidebar-open  { --sidebar-width: 272px; }
.sidebar-closed { --sidebar-width: 0px; }

.sidebar-item {
  color: #6b7280;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  border-left: 3px solid transparent;
}
.dark .sidebar-item { color: #9ca3af; }

.sidebar-item.active,
.sidebar-item:hover {
  border-left-color: var(--hl-primary);
}
/* Active: yellow text + yellow icon */
.dark .sidebar-item.active { background: #0e0e1e; color: var(--hl-primary); }
.dark .sidebar-item:hover  { background: #13132a; color: #fff; }
.sidebar-item.active       { background: rgba(0,0,0,0.06); color: var(--hl-primary); }
.sidebar-item:hover        { background: rgba(0,0,0,0.04); color: #fff; }

.sidebar-item.active i { color: var(--hl-primary); opacity: 1 !important; }
.sidebar-item:hover  i { color: var(--hl-primary); opacity: 1 !important; }

/* ── Sidebar category toggle ── */
.sidebar-cat-toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color 0.15s;
}
.sidebar-cat-toggle:hover .sidebar-caret { color: #d1d5db; }
.sidebar-cat-items {
  overflow: hidden;
  transition: max-height 0.25s ease, opacity 0.2s ease;
  max-height: 1000px;
  opacity: 1;
}
.sidebar-cat-items.collapsed {
  max-height: 0;
  opacity: 0;
}
.sidebar-caret.rotated { transform: rotate(-90deg); }

/* Sidebar layout (clean, specific rules)
   - sidebar sits right below navbar using --header-height
   - nav inside handles internal scrolling
   - search input is visible and sticky at top of the nav
   - custom yellow scrollbar shown when nav has .show-scroll or on hover */

:root {
  --header-height: 56px;
  --sidebar-width: 272px;
}

#sidebar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  z-index: 40;
  transition: width 0.22s ease;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: #000000 !important;
}

#sidebar.sidebar-open  { width: var(--sidebar-width); }
#sidebar.sidebar-closed { width: 0; }

/* Nav – takes remaining height, scrolls.
   scrollbar-gutter:stable places the scrollbar in the gutter between the
   right padding edge and the border, so it sits flush at the sidebar edge.
   Both horizontal paddings are equal; the scrollbar never eats into content. */
#sidebar > nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-gutter: stable;
  padding: 0.5rem 0.65rem 3rem 0.65rem !important;
}
/* Sidebar scrollbar – flush to right border */
#sidebar > nav::-webkit-scrollbar { width: 4px; }
#sidebar > nav::-webkit-scrollbar-track { background: transparent; }
#sidebar > nav::-webkit-scrollbar-thumb { background: transparent; border-radius: 3px; }
#sidebar > nav:hover::-webkit-scrollbar-thumb { background: rgba(var(--hl-primary-rgb),0.35); }
#sidebar > nav:hover::-webkit-scrollbar-thumb:hover { background: rgba(var(--hl-primary-rgb),0.7); }

/* Main content pushed by sidebar */
main { margin-left: var(--sidebar-width); transition: margin-left 0.22s ease; }
#sidebar.sidebar-open  ~ main { margin-left: var(--sidebar-width) !important; }
#sidebar.sidebar-closed ~ main { margin-left: 0 !important; }

/* Footer pushed by sidebar (margin set via JS in applySidebar) */
#app-footer { transition: margin-left 0.22s ease; }

/* Navbar icon buttons hover — misma gama que navbar bg (dark-800 #0a0a0a) */
.nav-icon-btn {
  transition: background 0.15s, color 0.15s;
  border-radius: 0.5rem;
}
.nav-icon-btn:hover { background: #0e0e1e; }

/* Header responsive layout */
.hl-topbar {
  min-width: 0;
  /* sin overflow:hidden: recortaba los menus desplegables (dificultad, idioma, cuenta) */
  overflow: visible;
}
.hl-brand {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
}
.hl-brand a {
  min-width: 0;
}
.hl-nav-actions {
  min-width: 0;
}
.hl-header-action,
.hl-login-link {
  min-height: 34px;
  white-space: nowrap;
}
.hl-header-action i,
.hl-login-link i,
#gh-star-btn i,
#lang-btn i,
#difficulty-btn i,
#account-menu-wrap > button i {
  flex-shrink: 0;
}

@media (max-width: 1023.98px) {
  .hl-topbar {
    gap: 0.5rem;
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
  .hl-brand {
    gap: 0.5rem;
  }
  .hl-nav-actions {
    gap: 0.35rem;
  }
  #gh-stars,
  #lang-btn,
  #difficulty-btn,
  #account-menu-wrap > button,
  .hl-login-link {
    width: 34px;
    height: 34px;
    min-width: 34px;
    justify-content: center;
    align-items: center;
    padding: 0 !important;
  }
  #gh-stars {
    padding-left: 0;
    padding-right: 0;
  }
  #gh-stars {
    width: 34px;
    margin-left: 0 !important;
  }
  #gh-star-btn {
    width: 100%;
    height: 100%;
    justify-content: center;
    align-items: center;
    gap: 0;
  }
  #gh-star-count,
  #lang-selected {
    display: none !important;
  }
  #difficulty-btn .diff-dot-inline {
    display: none;
  }
  #lang-btn .ph-caret-down,
  #difficulty-btn .ph-caret-down,
  #account-menu-wrap > button .ph-caret-down {
    display: none;
  }
}

@media (max-width: 639.98px) {
  .hl-header-action {
    width: 34px;
    height: 34px;
    min-width: 34px;
    padding: 0 !important;
    justify-content: center;
    align-items: center;
  }
}

@media (max-width: 420px) {
  .hl-topbar {
    gap: 0.35rem;
    padding-left: 0.625rem;
    padding-right: 0.625rem;
  }
  .hl-brand-text {
    display: none;
  }
  .hl-nav-actions {
    gap: 0.25rem;
  }
}

/* Lang select styling: visual, dark-friendly, rounded */
#lang-wrap { align-items: center; }
#lang-select {
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  height: 100%;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
#lang-select:focus { outline: none; }
#lang-select option { background: white; color: black; }
#lang-wrap.dark { background: #0a0a0a; }

/* Custom language dropdown list styling */
#lang-list {
  background: #0f1724;
  border: 1px solid rgba(255,255,255,0.04);
  z-index: 40; /* ensure primary header dropdowns (z-50) sit above this */
  transform-origin: top right;
}
#lang-list .lang-option { color: #d1d5db; border-radius: 0.5rem; }
#lang-list .lang-option:hover { background: rgba(255,255,255,0.03); color: #fff; }
#lang-list .lang-option.active { background: rgba(var(--hl-primary-rgb),0.12); color: var(--hl-primary); }

/* ensure the dropdown looks correct on light mode too */
@media (prefers-color-scheme: light) {
  #lang-list { background: #fff; border: 1px solid rgba(0,0,0,0.06); }
  #lang-list .lang-option { color: #111827; }
  #lang-list .lang-option:hover { background: rgba(0,0,0,0.03); color: #000; }
}

/* ── Risk badges ── */
.risk-badge-critical { background:rgba(239,68,68,.12);  border:1px solid rgba(239,68,68,.5); color:#ef4444; border-radius:4px; }
.risk-badge-high     { background:rgba(249,115,22,.12); border:1px solid rgba(249,115,22,.5); color:#f97316; border-radius:4px; }
.risk-badge-medium   { background:rgba(245,158,11,.12); border:1px solid rgba(245,158,11,.5); color:#f59e0b; border-radius:4px; }
.risk-badge-easy     { background:rgba(34,197,94,.12); border:1px solid rgba(34,197,94,.5); color:#22c55e; border-radius:4px; }
.risk-badge-hard     { background:rgba(239,68,68,.12); border:1px solid rgba(239,68,68,.5); color:#ef4444; border-radius:4px; }
.risk-badge-low      { background:rgba(34,197,94,.12);  border:1px solid rgba(34,197,94,.5); color:#22c55e;  border-radius:4px; }

/* ── Risk filter buttons ── */
.risk-filter {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  border: 1.5px solid #374151;
  background: transparent;
  color: #9ca3af;
  cursor: pointer;
  transition: all 0.15s;
}
.risk-filter:hover        { border-color: var(--hl-primary); color: var(--hl-primary); }
.risk-filter.active       { background: var(--hl-primary); border-color: var(--hl-primary); color: var(--hl-on-primary); }

/* Per-risk idle colors */
.risk-filter--critical           { border-color: rgba(239,68,68,.4);  color: #ef4444; }
.risk-filter--critical:hover     { border-color: #ef4444; background: rgba(239,68,68,.12); color: #ef4444; }
.risk-filter--critical.active    { background: #ef4444; border-color: #ef4444; color: #fff; }

.risk-filter--high               { border-color: rgba(249,115,22,.4); color: #f97316; }
.risk-filter--high:hover         { border-color: #f97316; background: rgba(249,115,22,.12); color: #f97316; }
.risk-filter--high.active        { background: #f97316; border-color: #f97316; color: #fff; }

.risk-filter--medium             { border-color: rgba(245,158,11,.4); color: #f59e0b; }
.risk-filter--easy { background:rgba(34,197,94,.1); border-color:rgba(34,197,94,.4); color:#22c55e; }
.risk-filter--easy.active { background:rgba(34,197,94,.2); }
.risk-filter--hard { background:rgba(239,68,68,.1); border-color:rgba(239,68,68,.4); color:#ef4444; }
.risk-filter--hard.active { background:rgba(239,68,68,.2); }
.risk-filter--medium:hover       { border-color: #f59e0b; background: rgba(245,158,11,.12); color: #f59e0b; }
.risk-filter--medium.active      { background: #f59e0b; border-color: #f59e0b; color: #fff; }

/* ── Language toggle ── */
.lang-btn { color: #9ca3af; }
.lang-btn.active-lang {
  background: var(--hl-primary);
  color: var(--hl-on-primary);
  font-weight: 700;
}

/* Ensure lang menu matches difficulty menu visuals when used as header control */
#lang-menu { background:#0a0a0a; }
.lang-menu-border {
  border: 1.5px solid #e5e7eb !important;
}
.dark .lang-menu-border {
  border: 1.5px solid #374151 !important;
}

/* ── Inputs ── */
.hl-input {
  width: 100%;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: #111827;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.hl-input:focus {
  border-color: var(--hl-primary);
  box-shadow: 0 0 0 3px rgba(var(--hl-primary-rgb),0.18);
  background: #fff;
}
.dark .hl-input {
  background: rgba(255,255,255,0.04);
  border-color: #374151;
  color: #f3f4f6;
}
.dark .hl-input:focus {
  border-color: var(--hl-primary);
  background: rgba(255,255,255,0.06);
}

/* ── Custom select dropdown ── */
/* Native <select> hidden, replaced by .hl-select widget via JS */
select.hl-input { display: none !important; }

.hl-select { position: relative; width: 100%; }

.hl-select-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid #374151;
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: #f3f4f6;
  cursor: pointer;
  user-select: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}
.hl-select-trigger:hover { border-color: #4b5563; }
.hl-select-trigger.open,
.hl-select-trigger:focus {
  border-color: var(--hl-primary);
  box-shadow: 0 0 0 3px rgba(var(--hl-primary-rgb), 0.15);
}

.hl-select-caret {
  flex-shrink: 0;
  width: 14px; height: 14px;
  color: #9ca3af;
  transition: transform 0.2s ease;
  pointer-events: none;
}
.hl-select-trigger.open .hl-select-caret { transform: rotate(180deg); }

.hl-select-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0; right: 0;
  z-index: 200;
  background: #111827;
  border: 1px solid #374151;
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,0.45);
  max-height: 220px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #374151 transparent;
}

.hl-select-option {
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
  color: #e5e7eb;
  cursor: pointer;
  transition: background 0.1s;
}
.hl-select-option:hover { background: #1f2937; }
.hl-select-option.selected {
  color: var(--hl-primary);
  background: rgba(var(--hl-primary-rgb), 0.08);
  font-weight: 600;
}

/* ── Primary button ── */
.btn-primary,
.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.1rem;
  box-sizing: border-box;
}
.btn-primary {
  background: var(--hl-primary);
  color: var(--hl-on-primary);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s;
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--hl-primary-hover);
  box-shadow: 0 4px 16px rgba(var(--hl-primary-rgb),.3);
}


/* ── Resolution FAB (floating action button) ── */
.fab-resolution {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.25rem;
  background: transparent;
  color: var(--hl-primary);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 9999px;
  border: 2px solid var(--hl-primary);
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(var(--hl-primary-rgb), 0.2), 0 2px 6px rgba(0,0,0,0.25);
  transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.15s;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.fab-resolution:hover {
  background: var(--hl-primary);
  color: var(--hl-on-primary);
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 28px rgba(var(--hl-primary-rgb), 0.5), 0 4px 10px rgba(0,0,0,0.25);
}
.fab-resolution:active { transform: scale(.96); }

/* ── Tab pills (bruteforce, future tabs) — same look as risk filters ── */
.tab-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  border: 1.5px solid #374151;
  background: transparent;
  color: #9ca3af;
  cursor: pointer;
  transition: all 0.15s;
}
.tab-pill:hover { border-color: var(--hl-primary); color: var(--hl-primary); }
.tab-pill.active { background: var(--hl-primary); border-color: var(--hl-primary); color: var(--hl-on-primary); }

/* ── Tab navigation (legacy, kept for compat) ── */
.tab-nav {
  display: flex;
  gap: 0.25rem;
  border-bottom: 1px solid #e5e7eb;
  margin-bottom: 1.25rem;
}
.dark .tab-nav { border-bottom-color: #374151; }
.tab-btn {
  padding: 0.45rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 0.5rem 0.5rem 0 0;
  border: 1px solid transparent;
  border-bottom: none;
  cursor: pointer;
  color: #6b7280;
  background: transparent;
  transition: color 0.15s, background 0.15s;
  margin-bottom: -1px;
}
.tab-btn:hover { color: var(--hl-primary); }
.tab-btn.active {
  background: var(--hl-primary);
  color: var(--hl-on-primary);
  border-color: transparent;
}
.dark .tab-btn { color: #9ca3af; }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ── Cards ── */
.hl-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 0.875rem;
  padding: 1.25rem;
}
.dark .hl-card {
  background: #0a0a0a;
  border-color: rgba(55,65,81,0.6);
}

/* ── Stat card ── */
.stat-card {
  transition: transform 0.2s, box-shadow 0.2s;
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,.08);
}
.dark .stat-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.3); }

/* ── Lab card ── */
.lab-card {
  border: 1px solid transparent;
  transition: transform 0.18s cubic-bezier(.2,.8,.2,1), box-shadow 0.15s, border-color 0.15s, background-color 0.15s, color 0.15s;
  will-change: transform, box-shadow, border-color, background-color, color;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}
.lab-card:hover {
  border: 1px solid var(--hl-primary);
  transform: translateY(-6px);
  box-shadow: 0 10px 28px rgba(0,0,0,0.26);
  background: rgba(var(--hl-primary-rgb),0.03) !important;
  padding: 1.25rem !important;
  border-radius: 0.875rem !important;
}

/* ── Code blocks ── */
.hl-code {
  background: #f8fafc;
  border: 1px solid #e5e7eb;
  border-radius: 0.625rem;
  padding: 0.875rem 1rem;
  font-family: var(--gd-mono);
  font-size: 0.75rem;
  line-height: 1.7;
  overflow-x: auto;
}
.dark .hl-code {
  background: #050505;
  border-color: rgba(55,65,81,0.5);
}
.dark .hl-code > div { color: #d1d5db; }

/* ── Modal prose ── */
.prose-custom h3 {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--hl-primary);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 0.75rem;
  margin-top: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.prose-custom h3:first-child { margin-top: 0; }
.prose-custom ol {
  list-style: none;
  padding-left: 0;
  counter-reset: steps;
}
.prose-custom li {
  font-size: 0.875rem;
  color: #374151;
  line-height: 1.7;
  margin-bottom: 0.5rem;
  padding-left: 1.75rem;
  position: relative;
  counter-increment: steps;
}
.prose-custom li::before {
  content: counter(steps);
  position: absolute;
  left: 0;
  top: 0.2em;
  width: 1.2em;
  height: 1.2em;
  background: rgba(var(--hl-primary-rgb),0.15);
  color: var(--hl-primary);
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dark .prose-custom li { color: #d1d5db; }
.prose-custom code {
  font-size: 0.78rem;
  padding: 0.1em 0.4em;
  border-radius: 4px;
  background: rgba(var(--hl-primary-rgb),0.12);
  color: var(--hl-primary);
}
.dark .prose-custom code { background: rgba(var(--hl-primary-rgb),0.10); }
.prose-custom pre {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  font-size: 0.75rem;
  overflow-x: auto;
  margin: 0.75rem 0;
  white-space: pre-wrap;
  word-break: break-all;
}
.dark .prose-custom pre { background: #050505; border-color: #374151; color: #d1d5db; }
.prose-custom .tools-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.2rem 0.65rem;
  border-radius: 9999px;
  background: rgba(var(--hl-primary-rgb),0.12);
  border: 1px solid rgba(var(--hl-primary-rgb),0.35);
  color: var(--hl-primary);
  margin: 0.15rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ── Tables ── */
.hl-table { width: 100%; font-size: 0.75rem; border-collapse: separate; border-spacing: 0; }
.hl-table th {
  text-align: left;
  padding: 0.5rem 0.875rem;
  font-weight: 600;
  color: #9ca3af;
  border-bottom: 1px solid #e5e7eb;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-family: var(--gd-mono);
}
.dark .hl-table th { border-bottom-color: #374151; color: #4b5563; }
.hl-table td { padding: 0.5rem 0.875rem; color: #374151; border-bottom: 1px solid #f3f4f6; }
.dark .hl-table td { color: #9ca3af; border-bottom-color: rgba(55,65,81,0.3); }
.hl-table tr:last-child td { border-bottom: none; }
.hl-table tbody tr:hover td { background: rgba(var(--hl-primary-rgb),0.04); }
.dark .hl-table tbody tr:hover td { background: rgba(255,255,255,0.03); }

/* ── Scrollbar – thin, auto-hide: visible only on hover ── */
* { scrollbar-width: thin; scrollbar-color: transparent transparent; }
*:hover { scrollbar-color: rgba(233,74,115,0.45) transparent; }
::-webkit-scrollbar       { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: transparent; border-radius: 3px; }
:hover::-webkit-scrollbar-thumb { background: rgba(var(--hl-primary-rgb),0.35); }
:hover::-webkit-scrollbar-thumb:hover { background: rgba(var(--hl-primary-rgb),0.7); }

/* ── Alerts ── */
.alert-success {
  background: rgba(34,197,94,.08);
  border: 1px solid rgba(34,197,94,.35);
  color: #15803d;
  border-radius: .75rem;
  padding: .75rem 1rem;
  font-size: .875rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}
.dark .alert-success { color: #4ade80; background: rgba(34,197,94,.07); }
.alert-warning {
  background: rgba(234,179,8,.08);
  border: 1px solid rgba(234,179,8,.35);
  color: #92400e;
  border-radius: .75rem;
  padding: .75rem 1rem;
  font-size: .875rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}
.dark .alert-warning { color: #fbbf24; background: rgba(234,179,8,.07); }
.alert-error {
  background: rgba(239,68,68,.08);
  border: 1px solid rgba(239,68,68,.35);
  color: #b91c1c;
  border-radius: .75rem;
  padding: .75rem 1rem;
  font-size: .875rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}
.dark .alert-error { color: #f87171; background: rgba(239,68,68,.07); }

/* ── Fade in ── */
@keyframes fadeInUp {
  from { opacity:0; transform:translateY(8px); }
  to   { opacity:1; transform:translateY(0); }
}
main > * { animation: fadeInUp .2s ease both; }

/* ── Phosphor icon alignment ── */
i.ph, i.ph-bold, i.ph-fill { line-height: 1; vertical-align: middle; }

/* ── highlight.js integration ── */
pre.hljs-block {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.7;
  overflow-x: auto;
  font-family: var(--gd-mono);
}
pre.hljs-block .hljs {
  padding: 0;
  border-radius: 0;
  background: transparent !important;
}
/* Let the <pre> container define background/border to avoid double frame */
.hljs { background: transparent !important; }
/* Make primary-color keywords stand out */
.hljs-keyword, .hljs-selector-tag { color: var(--hl-primary) !important; }
.hljs-built_in                    { color: var(--hl-secondary) !important; }
/* Make comments visually subdued for readability */
.hljs-comment,
.hljs-quote {
  color: #8b949e !important;
  font-style: italic;
}
/* Prose modal code blocks */
.prose-custom pre code.hljs { border-radius: 0.5rem; font-size: 0.75rem; }

/* ── Difficulty Selector ── */
.difficulty-btn {
  border: 1.5px solid;
  border-radius: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: all 0.15s;
}
.difficulty-btn--easy   { border-color: rgba(34,197,94,.5);  color: #22c55e; background: rgba(34,197,94,.08); }
.difficulty-btn--medium { border-color: rgba(245,158,11,.5); color: #f59e0b; background: rgba(245,158,11,.08); }
.difficulty-btn--hard   { border-color: rgba(239,68,68,.5);  color: #ef4444; background: rgba(239,68,68,.08); }
.difficulty-btn--nightmare { border-color: rgba(244,63,94,.6); color: #f43f5e; background: rgba(244,63,94,.12); }
.difficulty-btn--easy:hover   { background: rgba(34,197,94,.15); }
.difficulty-btn--medium:hover { background: rgba(245,158,11,.15); }
.difficulty-btn--hard:hover   { background: rgba(239,68,68,.15); }
.difficulty-btn--nightmare:hover { background: rgba(244,63,94,.2); }

.diff-dot, .diff-dot-inline {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
}
.diff-dot--easy   { background: #22c55e; box-shadow: 0 0 6px rgba(34,197,94,.5); }
.diff-dot--medium { background: #f59e0b; box-shadow: 0 0 6px rgba(245,158,11,.5); }
.diff-dot--hard   { background: #ef4444; box-shadow: 0 0 6px rgba(239,68,68,.5); }
.diff-dot--nightmare { background: #f43f5e; box-shadow: 0 0 8px rgba(244,63,94,.55); }

.diff-option { color: #9ca3af; cursor: pointer; }
.diff-option--easy:hover,   .diff-option--easy.active   { color: #22c55e; }
.diff-option--medium:hover, .diff-option--medium.active { color: #f59e0b; }
.diff-option--hard:hover,   .diff-option--hard.active   { color: #ef4444; }
.diff-option--nightmare:hover, .diff-option--nightmare.active { color: #f43f5e; }
.diff-option.active { font-weight: 800; }
.diff-option.locked {
  opacity: .6;
  cursor: not-allowed;
}

.reward-card {
  background: rgba(244,63,94,.07);
  border: 1px solid rgba(244,63,94,.35);
  border-radius: 14px;
  padding: 0.9rem 1rem;
}
.reward-card--gold {
  background: rgba(245,158,11,.08);
  border-color: rgba(245,158,11,.35);
  box-shadow: inset 0 0 20px rgba(245,158,11,.06);
}
.reward-card-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #fb7185;
  font-weight: 800;
}
.reward-card--gold .reward-card-title {
  color: #fbbf24;
}
.reward-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(251,113,133,.35);
  background: rgba(251,113,133,.1);
  color: #fecdd3;
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 700;
}
.reward-chip--gold {
  border-color: rgba(245,158,11,.35);
  background: rgba(245,158,11,.12);
  color: #fde68a;
  box-shadow: 0 0 12px rgba(245,158,11,.12);
}

.achievement-badge.premium {
  border-color: rgba(59,130,246,.35);
  background: rgba(59,130,246,.1);
}
.achievement-badge.premium.unlocked {
  border-color: rgba(59,130,246,.55);
  box-shadow: 0 0 16px rgba(59,130,246,.25);
}

.overlay-share-btn {
  margin-top: .75rem;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .55rem 1rem;
  border-radius: .65rem;
  border: 1px solid rgba(34,197,94,.35);
  color: #86efac;
  background: rgba(34,197,94,.1);
  font-size: .75rem;
  font-weight: 700;
}
.overlay-share-btn:hover {
  background: rgba(34,197,94,.2);
}

.ai-typing-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.ai-typing-avatar {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--hl-primary-rgb), .2);
  color: var(--hl-primary);
  flex-shrink: 0;
}

.ai-typing-bubble {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .09);
}

.ai-typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #9ca3af;
  animation: ai-typing-bounce 1s infinite ease-in-out;
}

.ai-typing-dot:nth-child(2) { animation-delay: .12s; }
.ai-typing-dot:nth-child(3) { animation-delay: .24s; }

@keyframes ai-typing-bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: .35; }
  40% { transform: translateY(-3px); opacity: 1; }
}

.ai-submit-loading {
  opacity: .9;
  cursor: wait;
}

.ai-spin {
  animation: ai-spin 1s linear infinite;
}

@keyframes ai-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Hover amarillo para enlaces en contenido de labs y referencias */
.hl-card a:hover, .lang-content a:hover, .lab-section a:hover {
  color: var(--hl-primary);
  background: rgba(var(--hl-primary-rgb), 0.08);
  border-radius: 4px;
  padding: 0 0.15rem;
  transition: background 0.12s, color 0.12s;
}

/* ── Progress ring (navbar) ─────────────────────────────────── */
.progress-ring-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 50%;
  transition: opacity .2s;
}
.progress-ring-wrap:hover { opacity: .8; }
.progress-ring-wrap.progress-ring-complete {
  animation: crown-glow 2s ease-in-out infinite;
}
@keyframes crown-glow {
  0%, 100% { filter: drop-shadow(0 0 4px rgba(245,158,11,.4)); }
  50% { filter: drop-shadow(0 0 8px rgba(245,158,11,.7)); }
}
.progress-ring-fill {
  transition: stroke-dashoffset .6s ease, stroke .3s ease;
}
.progress-ring-label {
  position: absolute;
  font-size: 8px;
  font-weight: 800;
  color: var(--hl-primary);
  text-align: center;
  line-height: 1;
  pointer-events: none;
  font-family: var(--gd-title);
  white-space: nowrap;
}
.progress-ring-total { color: rgba(242,18,27,.4); }
.progress-ring-wrap--locked { opacity: .45; }
.progress-ring-wrap--locked:hover { opacity: .65; }
.progress-ring-label--locked { color: #6b7280; }

/* ── Lab complete button ─────────────────────────────────────── */
.lab-complete-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid rgba(156,163,175,.4);
  color: #9ca3af;
  background: transparent;
  cursor: pointer;
  transition: border-color .2s, color .2s, background .2s, transform .15s;
  font-family: inherit;
}
.lab-complete-btn:hover {
  border-color: #22c55e;
  color: #4ade80;
  background: rgba(34,197,94,.08);
}
.lab-complete-btn--done {
  border-color: rgba(34,197,94,.6);
  color: #4ade80;
  background: rgba(34,197,94,.1);
}
.lab-complete-btn--done:hover {
  border-color: rgba(239,68,68,.5);
  color: #f87171;
  background: rgba(239,68,68,.08);
}
.lab-complete-btn--disabled {
  border-color: rgba(156,163,175,.2);
  color: #4b5563;
  cursor: default;
  opacity: .6;
  text-decoration: none;
}
.lab-complete-btn--disabled:hover {
  border-color: rgba(156,163,175,.35);
  color: #6b7280;
  background: rgba(255,255,255,.03);
}
.lab-complete-btn.animating { transform: scale(1.08); }

/* ── Progress page ───────────────────────────────────────────── */
.progress-hero {
  background: linear-gradient(135deg, rgba(242,18,27,.04) 0%, rgba(0,0,0,0) 60%);
  border: 1px solid rgba(242,18,27,.12);
  border-radius: 20px;
  padding: 2rem;
  margin-bottom: 1.5rem;
}
.xp-bar-track {
  height: 10px;
  border-radius: 99px;
  background: rgba(255,255,255,.07);
  overflow: hidden;
  position: relative;
}
.xp-bar-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--hl-primary) 0%, #ff3a42 100%);
  box-shadow: 0 0 12px rgba(242,18,27,.4);
  transition: width .8s cubic-bezier(.4,0,.2,1);
}
.mfc-rbar-track {
  height: 5px;
  border-radius: 99px;
  background: rgba(255,255,255,.07);
  overflow: hidden;
}
.mfc-rbar-fill {
  height: 100%;
  border-radius: 99px;
  min-width: 2px;
  transition: width .6s cubic-bezier(.4,0,.2,1);
}

/* Barritas de riesgo (estilo HTB) junto a cada lab del menú de categorías. */
.mfc-risk-bars { display: inline-flex; align-items: flex-end; gap: 2px; height: 11px; }
.mfc-risk-bars i { display: block; width: 3px; border-radius: 1px; background: rgba(255,255,255,.12); }
.mfc-risk-bars i:nth-child(1) { height: 40%; }
.mfc-risk-bars i:nth-child(2) { height: 70%; }
.mfc-risk-bars i:nth-child(3) { height: 100%; }
.mfc-risk-bars--medium i:nth-child(1) { background: #f59e0b; }
.mfc-risk-bars--high i:nth-child(1), .mfc-risk-bars--high i:nth-child(2) { background: #f97316; }
.mfc-risk-bars--critical i:nth-child(1), .mfc-risk-bars--critical i:nth-child(2), .mfc-risk-bars--critical i:nth-child(3) { background: #ef4444; }
.mfc-risk-bars--lg { height: 18px; gap: 3px; }
.mfc-risk-bars--lg i { width: 4px; }

/* Secciones (Punto de Partida / Máquinas / Rankings / Pawned...) dentro del sidebar de labs. */
.mfc-rail__divider { height: 1px; background: rgba(255,255,255,.08); margin: 4px 0 10px; }

.mfc-rail__item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; margin-bottom: 3px; border-radius: 8px; border-left: 3px solid transparent;
  font-family: 'Evogria', 'JetBrains Mono', sans-serif; font-size: 12.5px; letter-spacing: .04em;
  color: var(--gd-smoke, #9ca3af); text-decoration: none; transition: background .15s, color .15s;
}
.mfc-rail__item i.ph { font-size: 16px; flex-shrink: 0; }
.mfc-rail__item:hover { background: rgba(242,18,27,.06); color: #fff; }
.mfc-rail__item.active { background: rgba(242,18,27,.1); border-left-color: var(--hl-primary, #f2121b); color: #fff; }
.mfc-rail__item--locked { opacity: .4; cursor: default; }
.mfc-rail__item--locked:hover { background: none; color: var(--gd-smoke, #9ca3af); }
.mfc-rail__lock { margin-left: auto; font-size: 12px !important; }
.level-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  background: rgba(242,18,27,.12);
  border: 1px solid rgba(242,18,27,.3);
  color: var(--hl-primary);
  font-family: var(--gd-title);
}
.progress-stat-card {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 14px;
  padding: 1.25rem;
  text-align: center;
}
.progress-stat-value {
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
  font-family: var(--gd-title);
  color: var(--hl-primary);
}
.progress-stat-label {
  font-size: 11px;
  color: #6b7280;
  margin-top: 4px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.achievement-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 10px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.07);
  background: rgba(255,255,255,.03);
  text-align: center;
  transition: border-color .2s, background .2s;
  min-width: 90px;
}
.achievement-badge.unlocked {
  border-color: rgba(242,18,27,.35);
  background: rgba(242,18,27,.06);
}
.achievement-badge.unlocked:hover {
  background: rgba(242,18,27,.1);
}
.achievement-badge { position: relative; }
.achievement-share-btn {
  position: absolute; top: 4px; right: 4px; width: 20px; height: 20px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; background: rgba(242,18,27,.9); color: #fff;
  font-size: 11px; opacity: 0; transform: scale(.8); pointer-events: none;
  transition: opacity .15s ease, transform .15s ease; text-decoration: none;
}
.achievement-badge.unlocked:hover .achievement-share-btn { opacity: 1; transform: scale(1); pointer-events: auto; }
.achievement-share-btn:hover { background: var(--hl-primary-hover, #ff3a42); }
.achievement-icon {
  font-size: 1.75rem;
  filter: grayscale(1) opacity(.3);
}
.achievement-badge.unlocked .achievement-icon { filter: none; }
.achievement-name {
  font-size: 10px;
  font-weight: 700;
  color: #6b7280;
  line-height: 1.2;
}
.achievement-badge.unlocked .achievement-name { color: var(--hl-primary); }
.progress-tab-btn {
  padding: 8px 18px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .2s;
  color: #6b7280;
  background: transparent;
  font-family: inherit;
}
.progress-tab-btn.active {
  background: rgba(242,18,27,.1);
  border-color: rgba(242,18,27,.3);
  color: var(--hl-primary);
}
.progress-tab-btn:not(.active):hover {
  color: #d1d5db;
  background: rgba(255,255,255,.04);
}
.prog-lab-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.02);
  transition: border-color .2s, background .2s;
  text-decoration: none;
}
.prog-lab-card:hover {
  border-color: rgba(242,18,27,.2);
  background: rgba(242,18,27,.03);
}
.prog-lab-card.completed { border-color: rgba(34,197,94,.2); }
.prog-lab-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}
.prog-lab-check {
  margin-left: auto;
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem;
}
.prog-lab-check.done { background: rgba(34,197,94,.15); color: #4ade80; }
.prog-lab-check.pending { background: rgba(255,255,255,.05); color: #4b5563; }

/* ── Level-Up Overlay ─────────────────────────────────────────── */
#levelup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.93);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  animation: lu-bg-in 0.35s ease;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
#levelup-overlay::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(242,18,27,0.018) 2px,
    rgba(242,18,27,0.018) 4px
  );
  pointer-events: none;
  animation: lu-scanline 8s linear infinite;
}
@keyframes lu-bg-in   { from { opacity: 0; } to { opacity: 1; } }
@keyframes lu-scanline { 0% { background-position: 0 0; } 100% { background-position: 0 200px; } }

.levelup-card {
  position: relative;
  text-align: center;
  padding: 3rem 3.5rem 2.5rem;
  background: #050505;
  border: 1.5px solid var(--hl-primary);
  border-radius: 1.5rem;
  box-shadow:
    0 0 40px rgba(242,18,27,0.22),
    0 0 100px rgba(242,18,27,0.09),
    inset 0 0 60px rgba(242,18,27,0.03);
  animation: lu-card-in 0.55s cubic-bezier(0.34,1.56,0.64,1);
  max-width: 440px;
  width: 90%;
  overflow: hidden;
}
@keyframes lu-card-in {
  from { transform: scale(0.35) translateY(40px); opacity: 0; }
  to   { transform: scale(1)    translateY(0);    opacity: 1; }
}

.levelup-access {
  font-family: var(--gd-mono);
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  color: var(--hl-primary);
  opacity: 0.65;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  animation: lu-fade-up 0.5s ease 0.2s both;
}
.levelup-title {
  font-family: var(--gd-title);
  font-size: clamp(2.8rem, 10vw, 4.2rem);
  font-weight: 900;
  color: var(--hl-primary);
  line-height: 1;
  letter-spacing: -0.02em;
  text-shadow:
    0 0 18px rgba(242,18,27,0.85),
    0 0 50px rgba(242,18,27,0.4);
  animation: lu-glow-pulse 1.6s ease-in-out infinite, lu-fade-up 0.45s ease 0.1s both;
}
.levelup-icon-circle {
  width: 82px;
  height: 82px;
  margin: 1rem auto 0.3rem;
  border-radius: 999px;
  border: 2px solid rgba(242,18,27,.65);
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 35% 20%, rgba(242,18,27,.22), rgba(242,18,27,.05) 40%, rgba(0,0,0,.45) 75%);
  box-shadow: 0 0 24px rgba(242,18,27,.25), inset 0 0 20px rgba(242,18,27,.12);
  animation: lu-badge-pop 0.45s cubic-bezier(0.34,1.56,0.64,1) 0.35s both;
}
.levelup-icon-circle i {
  font-size: 2.15rem;
  color: var(--hl-primary);
  text-shadow: 0 0 16px rgba(242,18,27,.65);
}
@keyframes lu-glow-pulse {
  0%,100% { text-shadow: 0 0 18px rgba(242,18,27,.85), 0 0 50px rgba(242,18,27,.4); }
  50%     { text-shadow: 0 0 35px rgba(242,18,27,1),   0 0 90px rgba(242,18,27,.65), 0 0 130px rgba(242,18,27,.2); }
}
.levelup-lvl-badge {
  display: inline-block;
  margin: 1.4rem 0 0.5rem;
  background: var(--hl-primary);
  color: #ffffff;
  font-family: var(--gd-mono);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.3rem 1.4rem;
  border-radius: 999px;
  letter-spacing: 0.08em;
  animation: lu-badge-pop 0.45s cubic-bezier(0.34,1.56,0.64,1) 0.5s both;
}
@keyframes lu-badge-pop {
  from { transform: scale(0) rotate(-6deg); opacity: 0; }
  to   { transform: scale(1) rotate(0deg);  opacity: 1; }
}
.levelup-name {
  font-family: var(--gd-title);
  font-size: clamp(1.45rem, 5vw, 2.2rem);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.2rem;
  animation: lu-fade-up 0.5s ease 0.65s both;
}
.levelup-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 2rem;
  padding: 0.7rem 1.9rem;
  background: var(--hl-primary);
  color: #ffffff;
  font-family: var(--gd-title);
  font-size: 0.85rem;
  font-weight: 700;
  border: none;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  animation: lu-fade-up 0.5s ease 0.8s both;
}
.levelup-btn:hover {
  background: var(--hl-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(242,18,27,0.35);
}
.levelup-hint {
  font-family: var(--gd-mono);
  font-size: 0.65rem;
  color: rgba(255,255,255,0.28);
  margin-top: 1.5rem;
  letter-spacing: 0.04em;
  animation: lu-fade-up 0.5s ease 0.95s both;
}

#badgeup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6,7,15,0.94);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  animation: lu-bg-in 0.28s ease;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.badgeup-card {
  text-align: center;
  padding: 2.4rem 3rem 2.2rem;
  background: #050505;
  border: 1.5px solid #f59e0b;
  border-radius: 1.35rem;
  box-shadow: 0 0 42px rgba(245,158,11,.18), inset 0 0 50px rgba(245,158,11,.06);
  max-width: 420px;
  width: 90%;
  animation: lu-card-in 0.42s cubic-bezier(0.34,1.56,0.64,1);
}
.badgeup-access {
  font-family: var(--gd-mono);
  font-size: 0.65rem;
  letter-spacing: 0.28em;
  color: #f59e0b;
  opacity: 0.7;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.badgeup-title {
  font-family: var(--gd-title);
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 900;
  color: #f59e0b;
  letter-spacing: -0.02em;
  text-shadow: 0 0 16px rgba(245,158,11,.65), 0 0 42px rgba(245,158,11,.25);
}
.badgeup-icon-circle {
  width: 88px;
  height: 88px;
  margin: 1rem auto .65rem;
  border-radius: 999px;
  border: 2px solid rgba(245,158,11,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  background: radial-gradient(circle at 35% 20%, rgba(245,158,11,.24), rgba(245,158,11,.08) 40%, rgba(0,0,0,.45) 75%);
  box-shadow: 0 0 20px rgba(245,158,11,.28), inset 0 0 18px rgba(245,158,11,.12);
}
.badgeup-name {
  font-family: var(--gd-title);
  font-size: clamp(1.3rem, 4.6vw, 2rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.4rem;
  letter-spacing: 0.04em;
}
@keyframes lu-fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Particle burst */
.lu-particle {
  position: absolute;
  border-radius: 50%;
  background: var(--hl-primary);
  pointer-events: none;
}
@keyframes lu-particle-burst {
  0%   { transform: translate(0,0) scale(1); opacity: 1; }
  100% { transform: translate(var(--dx),var(--dy)) scale(0.1); opacity: 0; }
}


/* =====================================================================
   MFC HACK LAB · tema (paleta GhostDev: negro, rojo y rosa)
   Las variables --gd-* vienen de mfc-theme.css
   ===================================================================== */

/* bordes finos y esquinas pequeñas en vez de las redondeadas de Tailwind */
.rounded-lg  { border-radius: var(--gd-radius-sm) !important; }
.rounded-xl,
.rounded-2xl { border-radius: var(--gd-radius) !important; }
.risk-filter, .tab-pill, .fab-resolution { border-radius: var(--gd-radius-sm); }
.risk-filter, .tab-pill { border-style: dashed; border-width: 1px; font-family: var(--gd-mono); }
.risk-filter.active, .tab-pill.active { border-style: solid; }

header.sticky { background: rgba(8,8,8,.82) !important; border-bottom-color: var(--gd-line) !important; }
#sidebar { border-right: 1px solid var(--gd-line) !important; }
#app-footer { background: #050505 !important; border-top-color: var(--gd-line) !important; }

.hl-card, .dark .hl-card {
  background: linear-gradient(180deg, var(--gd-panel-2), var(--gd-panel));
  border-color: var(--gd-line);
  border-radius: var(--gd-radius);
}
.hl-input, .dark .hl-input { border-color: var(--gd-line-2); border-radius: var(--gd-radius-sm); font-family: var(--gd-mono); }
.hl-input:focus, .dark .hl-input:focus { border-color: var(--gd-pink); box-shadow: 0 0 0 3px rgba(233,74,115,.18); }

.btn-primary { background: rgba(242,18,27,.06); color: var(--gd-red-text); border: 1px solid var(--gd-red);
  font-family: var(--gd-title); font-weight: 400; letter-spacing: .08em; text-transform: uppercase; border-radius: var(--gd-radius-sm); }
.btn-primary:hover, .btn-primary:focus { background: var(--gd-red); color: #fff; box-shadow: 0 0 26px rgba(242,18,27,.4); }

/* código dentro de los textos: rosa, como los códigos de la tienda */
.prose-custom code { color: var(--gd-pink-text); background: rgba(233,74,115,.1); }
.hljs-built_in { color: var(--gd-pink) !important; }
.sidebar-item.active { color: var(--gd-red-text); }
.sidebar-item.active i, .sidebar-item:hover i { color: var(--gd-red-text); }

/* ── Marca ── */
.mfc-brand { font-family: var(--gd-title); font-size: 17px; letter-spacing: .04em; line-height: 1; white-space: nowrap; color: var(--gd-white); }
.mfc-brand b { color: var(--gd-red); font-weight: 400; }
.mfc-brand i { font-style: normal; color: var(--gd-smoke); margin: 0 .25em; }

/* ── Portada ── */
.mfc-hero { position: relative; }
.mfc-hero .gd-hero-title { font-size: clamp(44px, 7vw, 92px); }
.mfc-hero .gd-hero-title b { color: var(--gd-red); font-weight: 400; text-shadow: 0 0 40px rgba(242,18,27,.55); }

/* ── Nivel (barra superior) ── */
.mfc-level-chip {
  --lv: var(--gd-red);
  display: inline-flex; align-items: center; gap: 8px;
  height: 34px; padding: 0 10px 0 8px;
  border: 1px solid color-mix(in srgb, var(--lv) 55%, transparent);
  background: color-mix(in srgb, var(--lv) 8%, transparent);
  border-radius: var(--gd-radius-sm);
  text-decoration: none; color: var(--gd-white);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.mfc-level-chip:hover { border-color: var(--lv); box-shadow: 0 0 20px color-mix(in srgb, var(--lv) 35%, transparent); }
.mfc-level-chip .lv-ico { color: var(--lv); font-size: 16px; }
.mfc-level-chip .lv-num { font: 400 12px/1 var(--gd-title); letter-spacing: .08em; color: var(--lv); white-space: nowrap; }
.mfc-level-chip .lv-name { font: 500 11px/1 var(--gd-mono); color: #c8c8c8; white-space: nowrap; }
.mfc-level-chip .lv-bar { width: 44px; height: 4px; border-radius: 2px; background: rgba(255,255,255,.1); overflow: hidden; }
.mfc-level-chip .lv-bar > i { display: block; height: 100%; background: var(--lv); box-shadow: 0 0 8px var(--lv); transition: width .6s var(--gd-ease); }
@media (max-width: 1023.98px) { .mfc-level-chip .lv-name, .mfc-level-chip .lv-bar { display: none; } .mfc-level-chip { padding: 0 8px; } }

/* ── Nivel (tarjeta de la barra lateral y de la portada) ── */
.mfc-level-card {
  --lv: var(--gd-red);
  position: relative; overflow: hidden; display: block; text-decoration: none; color: inherit;
  padding: 12px; margin: .5rem 0 .25rem;
  border: 1px solid var(--gd-line); border-radius: var(--gd-radius);
  background: linear-gradient(180deg, var(--gd-panel-2), var(--gd-panel));
  transition: border-color .25s, box-shadow .25s;
}
.mfc-level-card:hover { border-color: color-mix(in srgb, var(--lv) 60%, transparent); box-shadow: 0 10px 30px color-mix(in srgb, var(--lv) 14%, transparent); }
.mfc-level-card .row { display: flex; align-items: center; gap: 10px; }
.mfc-level-card .ico { display: grid; place-items: center; flex: none; width: 38px; height: 38px; border-radius: 7px;
  border: 1px solid color-mix(in srgb, var(--lv) 60%, transparent); background: color-mix(in srgb, var(--lv) 8%, transparent); color: var(--lv); font-size: 20px; }
.mfc-level-card .lbl { font: 500 10px/1 var(--gd-mono); letter-spacing: .2em; text-transform: uppercase; color: var(--gd-smoke); }
.mfc-level-card .nm { font: 400 17px/1.1 var(--gd-title); color: var(--gd-white); margin-top: 4px; }
.mfc-level-card .nm b { color: var(--lv); font-weight: 400; }
.mfc-level-card .bar { height: 6px; border-radius: 3px; background: rgba(255,255,255,.08); overflow: hidden; margin-top: 10px; }
.mfc-level-card .bar > i { display: block; height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--gd-red-deep), var(--lv)); box-shadow: 0 0 10px var(--lv); transition: width .8s var(--gd-ease); }
.mfc-level-card .meta { display: flex; justify-content: space-between; gap: 8px; margin-top: 7px; font: 500 10.5px/1.3 var(--gd-mono); color: var(--gd-smoke); }
.mfc-level-card .meta b { color: var(--gd-text); font-weight: 500; }
.mfc-level-card--locked { --lv: var(--gd-smoke); }

/* escalera de niveles */
.mfc-ladder { display: grid; grid-template-columns: repeat(8, 1fr); gap: 6px; margin-top: 14px; }
.mfc-ladder .step { --lv: var(--gd-smoke); height: 26px; display: grid; place-items: center; border-radius: 5px;
  border: 1px dashed var(--gd-dash); color: #555; font-size: 13px; }
.mfc-ladder .step.done { border-style: solid; border-color: color-mix(in srgb, var(--lv) 55%, transparent); background: color-mix(in srgb, var(--lv) 10%, transparent); color: var(--lv); }
.mfc-ladder .step.now { border-style: solid; border-color: var(--lv); background: color-mix(in srgb, var(--lv) 22%, transparent); color: var(--lv); box-shadow: 0 0 14px color-mix(in srgb, var(--lv) 45%, transparent); }

/* ── Tarjetas de máquinas (portada) ── */
.lab-card { background: linear-gradient(180deg, var(--gd-panel-2), var(--gd-panel)) !important; border: 1px solid var(--gd-line); border-radius: var(--gd-radius) !important; }
.lab-card:hover { border-color: rgba(233,74,115,.55) !important; box-shadow: 0 14px 40px rgba(242,18,27,.12) !important; background: linear-gradient(180deg, var(--gd-panel-2), var(--gd-panel)) !important; }
.lab-card.is-solved { border-color: rgba(242,18,27,.45); }
.lab-card .solved-tag { position: absolute; top: 10px; right: 10px; z-index: 2; display: inline-flex; align-items: center; gap: 4px;
  height: 22px; padding: 0 8px; border-radius: 5px; border: 1px solid var(--gd-red); background: rgba(242,18,27,.12);
  font: 500 10.5px/1 var(--gd-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--gd-red-text); }
.lab-card .xp-tag { font: 400 13px/1 var(--gd-title); color: var(--gd-red-text); letter-spacing: .04em; white-space: nowrap; }
.risk-badge-critical, .risk-badge-high, .risk-badge-medium, .risk-badge-low { border-radius: 5px; font-family: var(--gd-mono); }

/* Fondo temático CTF también en las filas de la tabla */
.mfc-mrow.ctf-card::before { background-position: right 0.5rem center; background-size: auto 190%; opacity: .14; }
.mfc-mrow.ctf-card:hover::before { opacity: .26; transform: none; }
.mfc-mrow.ctf-card > * { position: relative; z-index: 1; }
.mfc-mrow.ctf-card::after { content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background: linear-gradient(90deg, color-mix(in srgb, var(--ctf-accent) 10%, transparent) 0%, transparent 42%); }

/* Retos CTF: tarjetas modernas estilo HTB/rCTF (barra de acento, glow neón) */
.ctf-card {
  position: relative; overflow: hidden;
  background: linear-gradient(155deg, var(--gd-panel-2) 0%, var(--gd-panel) 100%);
  border: 1px solid color-mix(in srgb, var(--ctf-accent) 30%, var(--gd-line));
  box-shadow: 0 1px 0 rgba(255,255,255,.02) inset;
}
.ctf-card::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image: var(--ctf-img); background-repeat: no-repeat;
  background-position: right -6% center; background-size: auto 130%;
  opacity: .07; transition: opacity .25s, transform .3s;
}
.ctf-card::after {
  content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(circle at 88% 82%, color-mix(in srgb, var(--ctf-accent) 20%, transparent) 0%, transparent 55%),
    repeating-linear-gradient(0deg, color-mix(in srgb, var(--ctf-accent) 4%, transparent) 0 1px, transparent 1px 7px);
  opacity: .5;
}
.ctf-card:hover::before { opacity: .14; transform: scale(1.06); }
.ctf-card:hover {
  border-color: color-mix(in srgb, var(--ctf-accent) 65%, transparent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--ctf-accent) 22%, transparent),
              0 10px 34px color-mix(in srgb, var(--ctf-accent) 22%, transparent);
  transform: translateY(-2px);
}
.ctf-card > * { position: relative; z-index: 1; }
.ctf-card__bar { position: absolute; left: 0; top: 0; bottom: 0; width: 3px; z-index: 1;
  background: linear-gradient(180deg, var(--ctf-accent), color-mix(in srgb, var(--ctf-accent) 20%, transparent)); }
.ctf-card__ico { width: 38px; height: 38px; flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  border-radius: 9px; font-size: 20px; color: var(--ctf-accent);
  background: color-mix(in srgb, var(--ctf-accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--ctf-accent) 30%, transparent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--ctf-accent) 18%, transparent) inset;
  transition: transform .2s, box-shadow .2s; }
.ctf-card:hover .ctf-card__ico { transform: scale(1.08);
  box-shadow: 0 0 16px color-mix(in srgb, var(--ctf-accent) 32%, transparent) inset; }
.ctf-card__name { font-family: var(--gd-title, inherit); font-size: 13.5px; font-weight: 600; letter-spacing: .02em;
  line-height: 1.25; color: var(--gd-text, #e6e6e6); text-transform: uppercase; margin: 0; }
.ctf-card__cat { font: 400 10.5px/1.4 var(--gd-mono, monospace); color: var(--gd-muted, #8b8b93);
  letter-spacing: .06em; text-transform: uppercase; margin-top: 3px; }
.ctf-card__dot { color: var(--ctf-accent); }
.ctf-card__solved { color: #34d399; font-size: 17px; flex-shrink: 0;
  filter: drop-shadow(0 0 6px rgba(52,211,153,.5)); }
.ctf-card__meta { display: flex; align-items: center; gap: 8px; margin-top: 12px; padding-top: 9px;
  border-top: 1px solid color-mix(in srgb, var(--ctf-accent) 14%, var(--gd-line));
  font: 500 10.5px/1 var(--gd-mono, monospace); letter-spacing: .05em; text-transform: uppercase; }
.ctf-card__diff { padding: 3px 7px; border-radius: 4px; font-weight: 700;
  border: 1px solid currentColor; background: color-mix(in srgb, currentColor 12%, transparent); }
.ctf-card__diff--easy, .ctf-card__diff--low { color: #34d399; }
.ctf-card__diff--medium { color: #fbbf24; }
.ctf-card__diff--high { color: #fb923c; }
.ctf-card__diff--hard { color: #f87171; }
.ctf-card__diff--critical { color: #f43f5e; }
.ctf-card__pts { color: var(--ctf-accent); font-weight: 600; }
.ctf-card__solves { margin-left: auto; color: var(--gd-muted, #8b8b93); display: inline-flex; align-items: center; gap: 4px; }
.ctf-card__solves i { font-size: 12px; color: var(--ctf-accent); }
.ctf-card.is-solved { border-color: color-mix(in srgb, #34d399 45%, var(--gd-line)); }
.ctf-card--stego     { --ctf-accent: #22d3ee; --ctf-img: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120'%3E%3Cg fill='none' stroke='%2322d3ee' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='22' y='30' width='76' height='60' rx='7'/%3E%3Ccircle cx='44' cy='50' r='8'/%3E%3Cpath d='M26 82l22-20 15 13 13-11 22 18'/%3E%3Cpath d='M96 30l10 10M106 30l-10 10'/%3E%3C/g%3E%3C/svg%3E"); }
.ctf-card--crypto    { --ctf-accent: #22c55e; --ctf-img: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120'%3E%3Cg fill='none' stroke='%2322c55e' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='30' y='52' width='60' height='46' rx='8'/%3E%3Cpath d='M42 52V38a18 18 0 0 1 36 0v14'/%3E%3Ccircle cx='60' cy='72' r='6'/%3E%3Cpath d='M60 78v10'/%3E%3C/g%3E%3C/svg%3E"); }
.ctf-card--osint     { --ctf-accent: #a855f7; --ctf-img: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120'%3E%3Cg fill='none' stroke='%23a855f7' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='54' cy='54' r='30'/%3E%3Cpath d='M54 36v18l14 10'/%3E%3Cpath d='M76 76l24 24M92 88l8-8M100 96l8-8'/%3E%3C/g%3E%3C/svg%3E"); }
.ctf-card--forensics { --ctf-accent: #f59e0b; --ctf-img: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120'%3E%3Cg fill='none' stroke='%23f59e0b' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M32 34h40v52H32z'/%3E%3Cpath d='M32 34l10-10h20l10 10'/%3E%3Cpath d='M82 60h22M82 70h22'/%3E%3Ccircle cx='46' cy='56' r='6'/%3E%3C/g%3E%3C/svg%3E"); }
.ctf-card--misc      { --ctf-accent: #f472b6; --ctf-img: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120'%3E%3Cg fill='none' stroke='%23f472b6' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='24' y='30' width='72' height='60' rx='8'/%3E%3Cpath d='M36 46l14 12-14 12M60 74h22'/%3E%3C/g%3E%3C/svg%3E"); }

/* progreso: aros y barras en rojo */
.progress-hero { background: linear-gradient(135deg, rgba(242,18,27,.07) 0%, rgba(0,0,0,0) 60%); border-color: rgba(242,18,27,.22); border-radius: var(--gd-radius); }
.xp-bar-fill { background: linear-gradient(90deg, var(--gd-red-deep) 0%, var(--gd-red) 60%, var(--gd-pink) 100%); box-shadow: 0 0 12px rgba(242,18,27,.5); }
.progress-stat-card, .achievement-badge, .prog-lab-card { border-radius: var(--gd-radius); border-color: var(--gd-line); }
.achievement-badge.unlocked { border-color: rgba(233,74,115,.5); background: rgba(233,74,115,.07); }
.achievement-badge.unlocked .achievement-name { color: var(--gd-pink-text); }
.progress-tab-btn { border-radius: var(--gd-radius-sm); }

/* cartel de subida de nivel */
.levelup-card { border-radius: var(--gd-radius); }
.levelup-btn, .levelup-lvl-badge { border-radius: var(--gd-radius-sm); }
.levelup-btn { font-family: var(--gd-title); letter-spacing: .08em; text-transform: uppercase; }
.levelup-lvl-badge { font-family: var(--gd-title); }
.lu-particle { background: var(--gd-pink); }

/* Evogria ya es pesada: sin negrita sintetica de Tailwind */
h1, h2, h3, h4, .logo-text, .font-display { font-weight: 400 !important; }
.mfc-ladder .step i { font-size: 15px; }
.mfc-ladder .step.now i { font-size: 16px; }

/* recompensas y "resuelto" en la paleta roja/rosa */
.reward-card--gold { background: rgba(233,74,115,.07); border-color: rgba(233,74,115,.4); box-shadow: inset 0 0 20px rgba(242,18,27,.05); }
.reward-card--gold .reward-card-title { color: var(--gd-pink-text); }
.reward-chip--gold { border-color: rgba(233,74,115,.45); background: rgba(233,74,115,.12); color: #ffd0d8; box-shadow: 0 0 12px rgba(242,18,27,.12); }
.prog-lab-card.completed { border-color: rgba(242,18,27,.35); }
.prog-lab-card:hover { border-color: rgba(233,74,115,.4); background: rgba(233,74,115,.04); }
.prog-lab-check.done { background: rgba(242,18,27,.15); color: var(--gd-red-text); }
.lab-complete-btn:hover { border-color: var(--gd-pink); color: var(--gd-pink-text); background: rgba(233,74,115,.08); }
.lab-complete-btn--done { border-color: rgba(242,18,27,.6); color: var(--gd-red-text); background: rgba(242,18,27,.1); }
.progress-ring-wrap.progress-ring-complete { animation: none; filter: drop-shadow(0 0 6px rgba(242,18,27,.6)); }

/* logo de la portada */
.mfc-hero-logo { position: absolute; right: 0; top: -8px; width: clamp(180px, 28vw, 380px); height: auto; pointer-events: none;
  filter: drop-shadow(0 0 40px rgba(242,18,27,.35)); animation: mfc-logo-float 6s ease-in-out infinite; transform-origin: 50% 50%; will-change: transform; }
@keyframes mfc-logo-float {
  0%, 100% { transform: translateY(0) rotate(-1.5deg); filter: drop-shadow(0 0 40px rgba(242,18,27,.35)); }
  50%      { transform: translateY(-16px) rotate(1.5deg); filter: drop-shadow(0 0 56px rgba(242,18,27,.5)); }
}
@media (prefers-reduced-motion: reduce) { .mfc-hero-logo { animation: none; } }
@media (max-width: 1099.98px) { .mfc-hero-logo { position: static; width: 150px; order: -1; } }


/* =====================================================================
   Sistema de niveles con avatares
   ===================================================================== */
.mfc-avatar { display: block; width: 56px; height: auto; aspect-ratio: 212 / 224; flex: none; user-select: none; -webkit-user-drag: none; }
.mfc-avatar--xs { width: 30px; }
.mfc-avatar--md { width: 52px; }
.mfc-avatar--lg { width: 116px; }
.mfc-avatar--xl { width: min(230px, 56vw); }
.mfc-avatar--glow { filter: drop-shadow(0 0 16px color-mix(in srgb, var(--lv, var(--gd-red)) 45%, transparent)); }

/* chip de la barra superior y tarjeta lateral: el avatar sustituye al icono */
.mfc-level-chip { padding-left: 4px; }
.mfc-level-chip .lv-avatar { width: 28px; margin: -2px 0; }
.mfc-level-card .row .mfc-avatar { filter: drop-shadow(0 0 10px color-mix(in srgb, var(--lv) 40%, transparent)); }
.mfc-level-card .big-av { animation: mfc-float 4.5s ease-in-out infinite; }
.mfc-level-card .lv-tag { font: 400 12px/1.5 var(--gd-mono); color: var(--gd-smoke); margin-top: 6px; max-width: 54ch; }

@keyframes mfc-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }
@keyframes mfc-pulse { 0%,100% { box-shadow: 0 0 0 1px var(--lv), 0 12px 36px color-mix(in srgb, var(--lv) 18%, transparent); }
                       50%     { box-shadow: 0 0 0 1px var(--lv), 0 12px 46px color-mix(in srgb, var(--lv) 38%, transparent); } }
@keyframes mfc-xp-pop { 0% { transform: translateY(8px) scale(.9); opacity: 0; } 20% { opacity: 1; transform: none; } 80% { opacity: 1; } 100% { transform: translateY(-26px); opacity: 0; } }

/* galería de rangos */
.mfc-ranks { display: grid; grid-template-columns: repeat(auto-fill, minmax(168px, 1fr)); gap: 12px; }
.mfc-rank {
  --lv: var(--gd-smoke);
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 18px 12px 14px; text-align: center;
  border: 1px solid var(--gd-line); border-radius: var(--gd-radius);
  background:
    radial-gradient(120% 70% at 50% 0%, color-mix(in srgb, var(--lv) 14%, transparent), transparent 70%),
    linear-gradient(180deg, var(--gd-panel-2), var(--gd-panel));
  transition: border-color .25s, transform .35s var(--gd-ease), box-shadow .35s;
}
.mfc-rank:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--lv) 60%, transparent); }
.mfc-rank__img { width: 104px; transition: filter .3s, transform .35s var(--gd-ease); }
.mfc-rank:hover .mfc-rank__img { transform: scale(1.05); }
.mfc-rank__n  { font: 400 11px/1 var(--gd-title); letter-spacing: .22em; color: var(--lv); margin-top: 4px; }
.mfc-rank__nm { font: 400 17px/1.1 var(--gd-title); color: var(--gd-white); }
.mfc-rank__tg { font: 400 11.5px/1.5 var(--gd-mono); color: var(--gd-smoke); min-height: 5.2em; }
.mfc-rank__req { font: 500 10.5px/1 var(--gd-mono); letter-spacing: .12em; color: var(--gd-smoke); padding: 5px 9px; border: 1px dashed var(--gd-dash); border-radius: 5px; }
.mfc-rank__flag { position: absolute; top: 9px; right: 9px; z-index: 2; display: inline-flex; align-items: center; justify-content: center; min-width: 22px; height: 22px; padding: 0 7px; border-radius: 5px;
  font: 500 10px/1 var(--gd-mono); letter-spacing: .14em; text-transform: uppercase; background: var(--lv); color: #fff; }
.mfc-rank__flag--ok   { background: color-mix(in srgb, var(--lv) 16%, transparent); color: var(--lv); border: 1px solid color-mix(in srgb, var(--lv) 55%, transparent); font-size: 13px; }
.mfc-rank__flag--lock { background: rgba(255,255,255,.05); color: var(--gd-smoke); border: 1px solid var(--gd-line-2); font-size: 12px; }

.mfc-rank.done .mfc-rank__req { border-style: solid; border-color: color-mix(in srgb, var(--lv) 45%, transparent); color: var(--lv); }
.mfc-rank.now { border-color: var(--lv); animation: mfc-pulse 3.2s ease-in-out infinite; }
.mfc-rank.now .mfc-rank__img { animation: mfc-float 4.5s ease-in-out infinite; filter: drop-shadow(0 0 18px color-mix(in srgb, var(--lv) 55%, transparent)); }
.mfc-rank.now .mfc-rank__req { border-style: solid; border-color: var(--lv); color: #fff; background: color-mix(in srgb, var(--lv) 18%, transparent); }
.mfc-rank.locked { opacity: .78; }
.mfc-rank.locked .mfc-rank__img { filter: grayscale(1) brightness(.42) contrast(1.15); }
.mfc-rank.locked:hover .mfc-rank__img { filter: grayscale(.6) brightness(.7); }
.mfc-rank.locked .mfc-rank__nm { color: #bdbdbd; }
.mfc-rank.preview .mfc-rank__img { filter: drop-shadow(0 0 14px color-mix(in srgb, var(--lv) 30%, transparent)); }
.mfc-rank__share { position:absolute; bottom:9px; right:9px; z-index:2; width:26px; height:26px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; background: rgba(0,0,0,.6); border:1px solid var(--gd-line-2);
  color: var(--lv); font-size:12px; opacity:0; transform: scale(.85); pointer-events:none;
  transition: opacity .15s ease, transform .15s ease; text-decoration:none; }
.mfc-rank:hover .mfc-rank__share { opacity:1; transform:scale(1); pointer-events:auto; }
.mfc-rank__share:hover { background: color-mix(in srgb, var(--lv) 35%, #000); }

/* toast de XP */
.mfc-xp-pop { position: fixed; right: 2rem; bottom: 7.5rem; z-index: 9999; pointer-events: none;
  font: 400 26px/1 var(--gd-title); letter-spacing: .06em; color: var(--gd-red-text); text-shadow: 0 0 22px rgba(242,18,27,.8);
  animation: mfc-xp-pop 1.9s ease-out forwards; }
.mfc-xp-pop small { display: block; margin-top: 4px; font: 500 11px/1 var(--gd-mono); letter-spacing: .2em; color: var(--gd-pink-text); text-align: right; text-shadow: none; }

/* cartel de subida de nivel con avatar */
.levelup-avatar-wrap { position: relative; display: grid; place-items: center; margin: .6rem auto .2rem; width: 220px; height: 232px; }
.levelup-avatar-wrap::before { content: ''; position: absolute; inset: 8% 6%; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--lv, #f2121b) 42%, transparent), transparent 68%); filter: blur(10px); animation: lu-glow-pulse2 1.8s ease-in-out infinite; }
.levelup-avatar-wrap img { position: relative; width: 200px; animation: lu-badge-pop .55s cubic-bezier(.34,1.56,.64,1) .3s both; }
.levelup-avatar-wrap .prev { position: absolute; left: -6px; bottom: 6px; width: 62px; opacity: .55; filter: grayscale(1); animation: lu-fade-up .5s ease .15s both; }
@keyframes lu-glow-pulse2 { 0%,100% { opacity: .55; transform: scale(.96); } 50% { opacity: 1; transform: scale(1.06); } }
.levelup-tag { font: 400 12.5px/1.5 var(--gd-mono); color: var(--gd-smoke); margin-top: .35rem; max-width: 34ch; margin-left: auto; margin-right: auto; animation: lu-fade-up .5s ease .75s both; }
.levelup-name { color: var(--lv, #fff); text-shadow: 0 0 24px color-mix(in srgb, var(--lv, #f2121b) 60%, transparent); }

@media (prefers-reduced-motion: reduce) {
  .mfc-rank.now, .mfc-rank.now .mfc-rank__img, .mfc-level-card .big-av { animation: none; }
}

/* rangos: 4 + 4 en pantallas anchas */
.mfc-ranks { grid-template-columns: repeat(4, 1fr); }
.mfc-rank__img { width: 118px; }
.mfc-rank.locked .mfc-rank__img { filter: grayscale(1) brightness(.6) contrast(1.1); }
@media (max-width: 1000px) { .mfc-ranks { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 420px)  { .mfc-ranks { grid-template-columns: 1fr; } }

/* etiqueta "Resuelta" reutilizable (writeups, progreso) */
.solved-tag { display: inline-flex; align-items: center; gap: 4px; height: 22px; padding: 0 8px; border-radius: 5px; border: 1px solid var(--gd-red); background: rgba(242,18,27,.12);
  font: 500 10.5px/1 var(--gd-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--gd-red-text); }
/* el boton de copiar no tapa el codigo */
.prose-custom pre { padding-right: 2.9rem; }

/* bloques de comandos sueltos (VPN, Mi máquina) */
pre.mfc-pre { position: relative; padding: .75rem 3.2rem .75rem .95rem; background: #050505; border: 1px solid var(--gd-line); border-radius: var(--gd-radius-sm); min-height: 44px; overflow-x: auto; }

/* =====================================================================
   Tabla de máquinas (portada, estilo tablero de control)
   ===================================================================== */
.mfc-mtable { border: 1px solid var(--gd-line); border-radius: var(--gd-radius); overflow: hidden; }
.mfc-mtable__head, .mfc-mrow {
  display: grid;
  grid-template-columns: minmax(200px, 2.2fr) 104px 64px 96px 72px 112px;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
}
.mfc-mtable__head {
  font: 600 10.5px/1 var(--gd-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--gd-smoke);
  background: var(--gd-panel); border-bottom: 1px solid var(--gd-line);
}
.mfc-mtable__head span:not(:first-child), .mfc-mrow > span:not(.mfc-mrow__lab) { text-align: center; }
.mfc-mrow {
  position: relative; overflow: hidden; text-decoration: none; color: inherit;
  background: var(--gd-bg); border-bottom: 1px solid var(--gd-line); transition: background .15s, border-color .15s;
}
.mfc-mrow:last-child { border-bottom: none; }
.mfc-mrow:hover { background: rgba(233,74,115,.05); }
.mfc-mrow.is-solved { background: rgba(242,18,27,.04); }
.mfc-mrow__lab { display: flex; align-items: center; gap: 10px; min-width: 0; }
.mfc-mrow__ico { position: relative; }
.mfc-mrow__owned {
  position: absolute; right: -3px; bottom: -3px; width: 15px; height: 15px; border-radius: 50%;
  background: #16a34a; border: 2px solid var(--gd-bg); display: flex; align-items: center; justify-content: center;
}
.mfc-mrow__owned i { font-size: 9px; color: #fff; }
.mfc-mrow__name { display: block; font: 400 15px/1.2 var(--gd-title); color: var(--gd-white); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mfc-mrow__cat { display: flex; align-items: center; gap: 6px; font: 500 11px/1.4 var(--gd-mono); color: var(--gd-smoke); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mfc-mrow__pick {
  font: 700 9px/1 var(--gd-mono); letter-spacing: .06em; color: var(--hl-primary); border: 1px solid rgba(var(--hl-primary-rgb),.4);
  background: rgba(var(--hl-primary-rgb),.1); border-radius: 4px; padding: 2.5px 5px; flex-shrink: 0;
}
.mfc-mrow__num { font: 500 12.5px/1 var(--gd-mono); color: var(--gd-text); display: inline-flex; align-items: center; gap: 5px; justify-content: center; }
.mfc-mrow__num--na { color: var(--gd-line); }
.mfc-mrow__date { font: 500 11.5px/1.3 var(--gd-mono); color: var(--gd-smoke); }
.mfc-mrow__open { font: 400 12px/1 var(--gd-title); letter-spacing: .04em; text-transform: uppercase; color: var(--gd-red-text);
  display: inline-flex; align-items: center; gap: 4px; justify-content: center; }
.mfc-mrow .xp-tag { font-size: 13px; }

/* histograma de dificultad (estilo "user-rated difficulty") */
.mfc-mrow__diff { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.mfc-hist { display: flex; align-items: flex-end; gap: 2px; height: 16px; }
.mfc-hist i { display: block; width: 4px; border-radius: 1px; background: rgba(255,255,255,.1); }
.mfc-hist i:nth-child(1) { height: 30%; } .mfc-hist i:nth-child(2) { height: 45%; }
.mfc-hist i:nth-child(3) { height: 65%; } .mfc-hist i:nth-child(4) { height: 85%; }
.mfc-hist i:nth-child(5) { height: 100%; } .mfc-hist i:nth-child(6) { height: 80%; }
.mfc-hist i:nth-child(7) { height: 55%; } .mfc-hist i:nth-child(8) { height: 35%; }
.mfc-hist--medium i.on { background: #22c55e; }
.mfc-hist--high i.on:nth-child(-n+5) { background: #f59e0b; }
.mfc-hist--high i.on:nth-child(n+6) { background: #f97316; }
.mfc-hist--hard i.on:nth-child(-n+4) { background: #f59e0b; }
.mfc-hist--hard i.on:nth-child(n+5) { background: #f97316; }
.mfc-hist--critical i.on:nth-child(-n+3) { background: #f59e0b; }
.mfc-hist--critical i.on:nth-child(n+4):nth-child(-n+6) { background: #f97316; }
.mfc-hist--critical i.on:nth-child(n+7) { background: #ef4444; }
.mfc-hist__label { font: 600 10px/1 var(--gd-mono); letter-spacing: .04em; }
.mfc-hist__label--medium { color: #22c55e; }
.mfc-hist__label--high { color: #f97316; }
.mfc-hist__label--critical { color: #ef4444; }

@media (max-width: 860px) {
  .mfc-mtable__head { display: none; }
  .mfc-mrow { grid-template-columns: 1fr auto; grid-template-areas: "lab lab" "diff solves" "xp root" "date date"; row-gap: 8px; }
  .mfc-mrow__lab { grid-area: lab; }
  .mfc-mrow > span:nth-child(2) { grid-area: diff; text-align: left; align-items: flex-start; }
  .mfc-mrow > span:nth-child(3) { grid-area: xp; text-align: left; }
  .mfc-mrow > span:nth-child(4) { grid-area: solves; text-align: right; }
  .mfc-mrow > span:nth-child(5) { grid-area: root; text-align: right; }
  .mfc-mrow > span:nth-child(6) { grid-area: date; text-align: left; }
}

/* ── Pro Labs / Fortaleza: tarjetas estilo HTB (emblema circular + banner + stats) ── */
.plab-grid { display:grid; grid-template-columns: repeat(auto-fill, minmax(250px,1fr)); gap:18px; }
.plab-card {
  position:relative; border-radius: var(--gd-radius); overflow:hidden; border:1px solid var(--gd-line);
  background: var(--gd-panel); text-decoration:none; color:inherit; display:flex; flex-direction:column;
  transition: transform .2s var(--gd-ease), border-color .2s ease;
}
.plab-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--pl, var(--hl-primary)) 55%, transparent); }
.plab-card__banner {
  position:relative; height:128px; flex-shrink:0; overflow:hidden;
  background:
    radial-gradient(ellipse 90% 75% at 50% 10%, color-mix(in srgb, var(--pl, var(--hl-primary)) 32%, transparent) 0%, transparent 72%),
    radial-gradient(ellipse 70% 60% at 15% 95%, color-mix(in srgb, var(--pl, var(--hl-primary)) 18%, transparent) 0%, transparent 70%),
    linear-gradient(180deg, #0c0c0c 0%, #050505 100%);
  display:flex; align-items:center; justify-content:center;
}
.plab-card__banner::before {
  content:''; position:absolute; inset:0;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:16px 16px; opacity:.6;
}
.plab-card__emblem { width:74px; height:74px; position:relative; z-index:1; filter: drop-shadow(0 8px 18px rgba(0,0,0,.55)); transition: transform .25s var(--gd-ease); }
.plab-card:hover .plab-card__emblem { transform: scale(1.07); }
.plab-card__badge {
  position:absolute; top:10px; right:10px; z-index:2; font:700 9.5px/1 var(--gd-mono); letter-spacing:.08em; text-transform:uppercase;
  padding:4px 8px; border-radius:5px; background: rgba(0,0,0,.55); color: var(--gd-smoke); border:1px solid var(--gd-line-2);
}
.plab-card.is-solved .plab-card__badge { background: rgba(34,197,94,.16); color:#4ade80; border-color: rgba(34,197,94,.45); }
.plab-card__body { padding:14px 16px 16px; display:flex; flex-direction:column; gap:2px; flex:1; }
.plab-card__kicker { display:flex; align-items:center; gap:6px; font:600 10.5px/1 var(--gd-mono); letter-spacing:.1em; text-transform:uppercase; color: var(--gd-smoke); }
.plab-card__title { font:400 18px/1.25 var(--gd-title); color:#fff; margin:5px 0 0; }
.plab-card__sub { font:500 11.5px/1.4 var(--gd-mono); color: var(--pl, var(--gd-smoke)); margin-top:3px; }
.plab-card__stats { display:flex; align-items:center; justify-content:space-between; margin-top:12px; padding-top:12px; border-top:1px solid var(--gd-line); }
.plab-card__stat { display:flex; align-items:center; gap:5px; font:600 11.5px/1 var(--gd-mono); color: var(--gd-smoke); }
.plab-card__stat i { font-size:13px; }
.plab-card__stat--xp { color: var(--pl, var(--hl-primary)); }

/* Fortaleza: tarjeta ampliada con cuerpo extra (desc + flag form) debajo del header estilo plab-card */
.fz-card { position:relative; border-radius: var(--gd-radius); overflow:hidden; border:1px solid var(--gd-line); background: var(--gd-panel); }
.fz-card.is-solved { border-color: rgba(34,197,94,.45); }
.fz-card__extra { padding:14px 16px 16px; border-top:1px solid var(--gd-line); }