:root{
  --fidc-bg:#0b1220;
  --fidc-card:#0f1a2e;
  --fidc-card2:#12213a;
  --fidc-text:#e8eefc;
  --fidc-muted:#a9b6d8;
  --fidc-line:rgba(255,255,255,.10);
  --fidc-accent:#38bdf8;
  --fidc-ok:#34d399;
  --fidc-warn:#fbbf24;
  --fidc-bad:#fb7185;
  --fidc-shadow: 0 10px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 20% 0%, rgba(56,189,248,.18), transparent 60%),
              radial-gradient(900px 500px at 100% 20%, rgba(52,211,153,.10), transparent 55%),
              var(--fidc-bg);
  color:var(--fidc-text);
}

.fidc-shell{max-width:980px; margin:0 auto; padding:0 18px}
.fidc-header{position:sticky; top:0; z-index:5; backdrop-filter: blur(10px); background: rgba(11,18,32,.55); border-bottom:1px solid var(--fidc-line)}
.fidc-header-inner{display:flex; align-items:center; justify-content:space-between; padding:14px 18px}
.fidc-brand{display:flex; flex-direction:column; gap:2px; text-decoration:none; color:var(--fidc-text)}
.fidc-brand-mark{font-weight:800; letter-spacing:.2px}
.fidc-brand-sub{font-size:12px; color:var(--fidc-muted)}
.fidc-nav{display:flex; gap:14px; align-items:center}

.fidc-link{color:var(--fidc-accent); text-decoration:none; font-weight:700}
.fidc-link:hover{text-decoration:underline}

.fidc-main{padding:22px 0 28px}
.fidc-hero{padding:10px 0 8px}
.fidc-hero h1{margin:0 0 8px; font-size:40px; line-height:1.05}
.fidc-lede{margin:0; color:var(--fidc-muted); font-size:16px; max-width:62ch}

.fidc-card{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid var(--fidc-line);
  border-radius:16px;
  box-shadow:var(--fidc-shadow);
  padding:16px;
  margin:14px 0;
}
.fidc-card-soft{background: linear-gradient(180deg, rgba(56,189,248,.08), rgba(255,255,255,.02))}

.fidc-h1{margin:0 0 6px; font-size:28px}
.fidc-h2{margin:0 0 12px; font-size:18px}
.fidc-sub{margin:0; color:var(--fidc-muted)}
.fidc-muted{color:var(--fidc-muted)}

.fidc-row{display:flex; gap:14px; align-items:flex-start; justify-content:space-between}
.fidc-row-top{align-items:center}
.fidc-actions{display:flex; gap:10px; flex-wrap:wrap}
.fidc-cta-row{display:flex; gap:10px; flex-wrap:wrap; margin-top:14px}

.fidc-btn{
  appearance:none;
  border:1px solid rgba(56,189,248,.35);
  background: rgba(56,189,248,.16);
  color:var(--fidc-text);
  font-weight:800;
  padding:10px 14px;
  border-radius:12px;
  cursor:pointer;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
}
.fidc-btn:hover{background: rgba(56,189,248,.22)}
.fidc-btn:active{transform: translateY(1px)}
.fidc-btn:disabled{opacity:.55; cursor:not-allowed}
.fidc-btn-secondary{
  border-color: rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
}
.fidc-btn-secondary:hover{background: rgba(255,255,255,.10)}

.fidc-list{margin:0; padding-left:18px; color:var(--fidc-muted)}
.fidc-ol{margin:0; padding-left:18px; color:var(--fidc-muted)}

.fidc-progress{margin-top:12px}
.fidc-progress-top{display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap}
.fidc-progress-text{font-weight:900}
.fidc-progress-bar{height:10px; background: rgba(255,255,255,.07); border:1px solid var(--fidc-line); border-radius:999px; overflow:hidden; margin-top:10px}
.fidc-progress-fill{height:100%; background: linear-gradient(90deg, var(--fidc-ok), var(--fidc-accent)); border-radius:999px}

.fidc-stops{display:flex; flex-direction:column; gap:10px}
.fidc-stop{
  border:1px solid var(--fidc-line);
  background: rgba(15,26,46,.70);
  border-radius:14px;
  overflow:hidden;
}
.fidc-stop summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 12px;
}
.fidc-stop summary::-webkit-details-marker{display:none}
.fidc-stop-title{font-weight:900}
.fidc-stop-meta{display:flex; gap:10px; align-items:center; flex-wrap:wrap; justify-content:flex-end}
.fidc-pill{
  font-size:12px;
  font-weight:900;
  padding:4px 10px;
  border-radius:999px;
  border:1px solid var(--fidc-line);
  color:var(--fidc-text);
  background: rgba(255,255,255,.06);
}
.fidc-pill.ok{border-color: rgba(52,211,153,.35); background: rgba(52,211,153,.12)}
.fidc-pill.warn{border-color: rgba(251,191,36,.35); background: rgba(251,191,36,.12)}
.fidc-pill.bad{border-color: rgba(251,113,133,.35); background: rgba(251,113,133,.12)}

.fidc-stop-body{padding:12px 12px 14px; border-top:1px solid var(--fidc-line)}
.fidc-story-title{margin:0 0 6px; font-size:16px}
.fidc-story-text{margin:0; color:var(--fidc-muted); line-height:1.5}
.fidc-stop-actions{display:flex; gap:10px; flex-wrap:wrap; margin-top:12px}

.fidc-trivia{margin-top:12px; border-top:1px dashed rgba(255,255,255,.14); padding-top:12px}
.fidc-q{margin:0 0 10px; font-weight:900}
.fidc-choices{display:grid; grid-template-columns: 1fr; gap:8px}
.fidc-choice{
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  border-radius:12px;
  padding:10px;
  display:flex;
  gap:10px;
  align-items:flex-start;
  cursor:pointer;
}
.fidc-choice input{margin-top:3px}
.fidc-choice:hover{background: rgba(255,255,255,.07)}
.fidc-feedback{margin:10px 0 0; font-weight:800}
.fidc-feedback.ok{color: var(--fidc-ok)}
.fidc-feedback.bad{color: var(--fidc-bad)}

.fidc-label{display:flex; flex-direction:column; gap:6px; font-weight:800}
.fidc-input{
  border-radius:12px;
  padding:10px 12px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
  color: var(--fidc-text);
  outline:none;
}
.fidc-input:focus{border-color: rgba(56,189,248,.6); box-shadow: 0 0 0 3px rgba(56,189,248,.15)}
.fidc-badge-controls{display:flex; gap:12px; align-items:flex-end; flex-wrap:wrap}
.fidc-badge-preview{margin-top:14px; border:1px solid var(--fidc-line); border-radius:16px; overflow:hidden; background: rgba(255,255,255,.03)}
.fidc-badge-preview svg{display:block; width:100%; height:auto}

.fidc-footer{border-top:1px solid var(--fidc-line); background: rgba(11,18,32,.55)}
.fidc-footer-inner{display:flex; align-items:center; justify-content:space-between; padding:14px 18px; gap:12px; flex-wrap:wrap}
.fidc-footer-note{color:var(--fidc-muted); font-size:13px}
.fidc-footer-links{display:flex; gap:12px}

@media (min-width: 760px){
  .fidc-choices{grid-template-columns: 1fr 1fr}
  .fidc-hero h1{font-size:48px}
}