:root{
  --bg:#0b1220;
  --text:#e6edf7;
  --muted:#9fb0c7;
  --line:rgba(255,255,255,.10);
  --accent:#66e3ff;
  --accent2:#7c5cff;
  --accent3:#35e08a;
  --warn:#ffcc66;
  --shadow: 0 18px 55px rgba(0,0,0,.45);
  --radius:18px;
}

body{ margin:0; background:#ffffff; }

.rc-wrap{
  max-width: 1100px;
  margin: 0 auto;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}
.rc-bg{
  background: var(--bg);
  padding: 22px 14px;
  border-radius: 18px;
}

/* Sticky topbar */
.rc-topbar{
  position: sticky;
  top: 0;
  z-index: 50;
  margin: 0 0 10px 0;
  padding: 10px 6px 12px 6px;
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,.55);
  border-bottom: 1px solid rgba(255,255,255,.06);

  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}

/* Brand */
.rc-brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color: var(--text);
  min-width: 220px;
}
.rc-brand-mark{
  width:38px; height:38px;
  border-radius: 12px;
  display:grid; place-items:center;
  font-weight: 800;
  letter-spacing: .02em;
  background: linear-gradient(135deg, rgba(102,227,255,.22), rgba(124,92,255,.22));
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
}
.rc-brand-text{ display:flex; flex-direction:column; line-height:1.05; }
.rc-brand-name{ font-weight: 800; letter-spacing: -0.01em; }
.rc-brand-tag{ font-size: 12px; color: var(--muted); margin-top: 4px; }

/* Nav */
.rc-nav{
  display:flex;
  gap: 10px;
  align-items:center;
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
}
.rc-navlink{
  font-size: 13px;
  color: var(--muted);
  text-decoration:none;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: border .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.rc-navlink:hover{
  color: var(--text);
  border-color: rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}
.rc-active{
  color: var(--text);
  border-color: rgba(102,227,255,.25);
  background: rgba(102,227,255,.06);
}

.rc-topbar-actions{
  display:flex;
  align-items:center;
  gap:10px;
}
.rc-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 9px 12px;
  border-radius: 999px;
  text-decoration:none;
  color: var(--text);
  border: 1px solid rgba(255,255,255,.14);
  background: linear-gradient(135deg, rgba(102,227,255,.14), rgba(124,92,255,.14));
  font-size: 13px;
  font-weight: 650;
}

/* Burger + mobile */
.rc-burger{
  width: 40px; height: 40px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.03);
  cursor:pointer;
  display:none;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap: 5px;
}
.rc-burger span{
  width: 18px; height: 2px;
  background: rgba(230,237,247,.9);
  border-radius: 2px;
}
.rc-nav-mobile{
  display:none;
  margin: 0 6px 18px 6px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,.03);
  overflow:hidden;
}
.rc-nav-mobile .rc-navlink{
  display:block;
  padding: 12px 14px;
  border-radius: 0;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.rc-nav-mobile .rc-navlink:last-child{ border-bottom: 0; }

@media (max-width: 920px){
  .rc-nav{ display:none; }
  .rc-burger{ display:flex; }
}

/* Breadcrumb */
.rc-breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  margin: 6px 6px 14px 6px;
  color: rgba(159,176,199,.9);
  font-size: 12px;
}
.rc-breadcrumb a{
  color: rgba(159,176,199,.9);
  text-decoration:none;
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.rc-breadcrumb a:hover{
  color: var(--text);
  border-bottom-color: rgba(102,227,255,.35);
}
.rc-bc-current{
  color: var(--text);
  opacity: .95;
}

/* Hero/app container */
.rc-hero{
  background: radial-gradient(1200px 420px at 15% 0%, rgba(102,227,255,.16), transparent 60%),
              radial-gradient(1000px 420px at 70% 0%, rgba(124,92,255,.14), transparent 55%),
              linear-gradient(180deg, rgba(255,255,255,.03), transparent 60%);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  padding: 28px 26px;
  box-shadow: 0 24px 70px rgba(0,0,0,.55);
  overflow: hidden;
}

.rc-kicker{
  display:flex;
  align-items:center;
  gap:10px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.rc-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
}

.rc-h1{
  margin: 0;
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}
.rc-sub{
  margin: 10px 0 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
  max-width: 78ch;
}

.rc-grid{
  display:grid;
  grid-template-columns: 1.10fr .90fr;
  gap: 18px;
  margin-top: 18px;
}
@media (max-width: 920px){
  .rc-grid{ grid-template-columns: 1fr; }
}

/* Cards */
.rc-card{
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 14px 40px rgba(0,0,0,.35);
  overflow:hidden;
}
.rc-card-h{
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(0,0,0,.12);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.rc-card-h strong{ font-size: 14px; letter-spacing: .02em; }
.rc-small{ font-size: 12px; color: var(--muted); }
.rc-card-b{ padding: 18px; }

.rc-form{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 720px){
  .rc-form{ grid-template-columns: 1fr; }
}
.rc-span-2{ grid-column: 1 / -1; }

.rc-field label{
  display:block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}
.rc-field input, .rc-field select{
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(7,12,22,.55);
  color: var(--text);
  outline: none;
  transition: border .15s ease, box-shadow .15s ease;
}
.rc-field input:focus, .rc-field select:focus{
  border-color: rgba(102,227,255,.55);
  box-shadow: 0 0 0 3px rgba(102,227,255,.12);
}

.rc-divider{
  height:1px;
  border:none;
  background: rgba(255,255,255,.10);
  margin: 14px 0;
}

/* Sliders */
.rc-slidergrid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.rc-mini{
  font-size: 12px;
  color: rgba(230,237,247,.95);
  padding: 2px 8px;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
  margin-left: 8px;
}
.rc-minihelp{
  font-size: 12px;
  color: rgba(159,176,199,.85);
  margin-top: 6px;
  line-height: 1.35;
}

/* Buttons */
.rc-row{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.rc-btn{
  flex: 1 1 220px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: linear-gradient(135deg, rgba(102,227,255,.18), rgba(124,92,255,.18));
  color: var(--text);
  font-weight: 650;
  letter-spacing: .01em;
  cursor:pointer;
}
.rc-btn-secondary{
  flex: 0 1 180px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  cursor:pointer;
}

/* Badges */
.rc-badges{ display:flex; gap:8px; flex-wrap:wrap; }
.rc-badge{
  font-size: 12px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
  color: var(--muted);
  display:inline-flex;
  align-items:center;
  gap:8px;
}

/* Metrics */
.rc-metrics{
  display:grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.rc-metric{
  border: 1px solid var(--line);
  background: rgba(0,0,0,.14);
  border-radius: 14px;
  padding: 12px 12px;
}
.rc-metric .k{ color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.rc-metric .v{ font-size: 18px; font-weight: 750; letter-spacing: -0.01em; }
.rc-vsmall{ font-size: 14px !important; font-weight: 750; }
.rc-metric .s{ color: var(--muted); font-size: 12px; margin-top: 6px; line-height: 1.4; }

.rc-highlight{
  border-color: rgba(53,224,138,.25);
  background: linear-gradient(180deg, rgba(53,224,138,.10), rgba(0,0,0,.14));
}
.rc-highlight .v{ color: rgba(53,224,138,.95); }

.rc-note{
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
  margin-top: 10px;
}

/* Chart */
.rc-chart{ margin-top: 14px; }
.rc-chart-head{
  display:flex; align-items:baseline; justify-content:space-between; gap:10px;
  margin: 0 0 10px 0;
  flex-wrap: wrap;
}
#barCanvas{
  width:100%;
  height:auto;
  border-radius:14px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.14);
}

/* Suggestions dropdown */
.rc-suggest{
  display:none;
  margin-top: 8px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px;
  background: rgba(7,12,22,.65);
  overflow:hidden;
}
.rc-sitem{
  width: 100%;
  text-align:left;
  padding: 10px 12px;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: transparent;
  color: rgba(230,237,247,.95);
  cursor: pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
}
.rc-sitem:hover{ background: rgba(255,255,255,.04); }
.rc-sitem:last-child{ border-bottom:0; }
.rc-smeta{
  font-size: 12px;
  color: rgba(159,176,199,.85);
}

/* Prose section */
.rc-hr{
  height:1px;
  background: var(--line);
  border:none;
  margin: 22px 0;
}
.rc-prose h2{ margin: 22px 0 10px; font-size: 22px; letter-spacing: -0.01em; }
.rc-prose h3{ margin: 16px 0 8px; font-size: 16px; color: var(--text); }
.rc-prose p{ margin: 0 0 10px; color: var(--muted); line-height: 1.7; }