/* Setup Center — dark neon docs + moving light-field */
body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  pointer-events: none;
  z-index: -1;
  border-radius: 999px;
  filter: blur(48px);
  opacity: .55;
  mix-blend-mode: screen;
}
body::before {
  width: 420px; height: 420px; left: 5vw; top: 18vh;
  background: radial-gradient(circle, rgba(56,232,255,.42), transparent 68%);
  animation: setup-drift-a 24s ease-in-out infinite;
}
body::after {
  width: 520px; height: 520px; right: -8vw; top: 36vh;
  background: radial-gradient(circle, rgba(176,108,255,.38), transparent 70%);
  animation: setup-drift-b 30s ease-in-out infinite;
}
@keyframes setup-drift-a { 0%,100% { transform: translate3d(0,0,0) scale(1); } 50% { transform: translate3d(120px,80px,0) scale(1.12); } }
@keyframes setup-drift-b { 0%,100% { transform: translate3d(0,0,0) scale(1); } 50% { transform: translate3d(-100px,-60px,0) scale(.94); } }
.setup-hero {
  position: relative; max-width: 1180px; margin: 0 auto; text-align: center; overflow: hidden;
  padding: clamp(58px, 8vw, 104px) clamp(18px, 4vw, 40px) 42px;
}
.setup-hero::before {
  content: ""; position: absolute; inset: 18px 8% auto; height: 260px; border-radius: 999px;
  background: radial-gradient(circle at 25% 45%, rgba(56,232,255,.24), transparent 36%),
              radial-gradient(circle at 72% 40%, rgba(255,190,60,.18), transparent 34%),
              radial-gradient(circle at 50% 70%, rgba(176,108,255,.22), transparent 44%);
  filter: blur(28px); opacity: .95;
}
.setup-hero-inner { position: relative; z-index: 1; max-width: 900px; margin: 0 auto; }
.setup-hero h1 {
  font-family: var(--display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(38px, 6.2vw, 70px); line-height: .98; margin: 22px 0 18px;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 18px 50px rgba(56,232,255,.12);
}
.setup-hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.setup-layout { max-width: 1040px; margin: 0 auto; padding: 20px clamp(16px, 5vw, 44px) 44px; }
.setup-content { width: 100%; }
.setup-section { position: relative; scroll-margin-top: calc(var(--topbar-h) + 22px); }
.setup-section::before {
  content: ""; display: block; height: 1px; margin: 0 0 28px;
  background: linear-gradient(90deg, transparent, rgba(56,232,255,.32), rgba(255,190,60,.22), transparent);
}
.setup-toc { width: 252px; }
.setup-steps,
.app-priority-grid,
.manual-grid {
  display: grid; gap: 16px; margin: 20px 0;
}
.setup-steps { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.app-priority-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.manual-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.setup-step-card,
.app-card,
.manual-card,
.setup-generator,
.app-detail {
  position: relative; overflow: hidden;
  background:
    linear-gradient(140deg, rgba(255,255,255,.07), transparent 30%),
    radial-gradient(circle at 20% 0%, rgba(56,232,255,.13), transparent 36%),
    linear-gradient(180deg, rgba(21,30,50,.92), rgba(12,18,32,.94));
  border: 1px solid rgba(91,141,255,.36); border-radius: var(--r-lg);
  padding: 18px; box-shadow: 0 18px 46px rgba(0,0,0,.28), 0 0 0 1px rgba(255,255,255,.035) inset;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.setup-step-card::after,
.app-card::after,
.manual-card::after,
.setup-generator::after,
.app-detail::after {
  content: ""; position: absolute; inset: auto -20% -45% -20%; height: 120px;
  background: radial-gradient(ellipse, rgba(56,232,255,.15), transparent 68%); pointer-events: none;
}
.setup-step-card:hover,
.app-card:hover,
.manual-card:hover,
.app-detail:hover {
  transform: translateY(-4px); border-color: rgba(56,232,255,.7);
  box-shadow: 0 24px 64px rgba(0,0,0,.36), 0 0 34px rgba(56,232,255,.12);
}
.setup-step-card span,
.app-rank {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 38px; height: 30px; padding: 0 11px; border-radius: 999px;
  background: var(--grad); color: #06111d; font-family: var(--sans); font-weight: 900; font-size: 12px;
  box-shadow: 0 0 22px rgba(56,232,255,.38);
}
.app-card:nth-child(1) { border-color: rgba(56,232,255,.56); }
.app-card:nth-child(2) { border-color: rgba(176,108,255,.58); }
.app-card:nth-child(3) { border-color: rgba(255,190,60,.5); }
.app-card:nth-child(3) .app-rank { background: var(--grad-gold); color: #201400; box-shadow: 0 0 22px rgba(255,190,60,.34); }
.setup-step-card h3,
.app-card h3,
.manual-card b,
.generator-head h3,
.app-detail summary span,
.setup-guide-steps h3 {
  font-family: var(--sans); font-weight: 900; color: var(--text); margin: 10px 0 7px;
}
.setup-step-card p,
.app-card p,
.app-card li,
.manual-card p,
.app-detail-body,
.app-detail-body li { color: var(--text-2); font-size: 13.5px; }
.app-card ul { margin: 12px 0 16px; padding-left: 18px; }
.app-card li { margin: 5px 0; }
.app-card-featured { min-height: 100%; }
.app-card-featured::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(135deg, rgba(56,232,255,.9), rgba(176,108,255,.72), rgba(255,190,60,.62));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity: .7; pointer-events: none;
}
.setup-generator {
  margin: 20px 0 24px;
  background:
    radial-gradient(circle at 10% 0%, rgba(56,232,255,.18), transparent 34%),
    radial-gradient(circle at 88% 12%, rgba(176,108,255,.15), transparent 38%),
    linear-gradient(180deg, rgba(25,38,62,.95), rgba(13,20,36,.96));
  border-color: rgba(56,232,255,.5);
}
.setup-generator-codex { background: radial-gradient(circle at 12% 0%, rgba(255,190,60,.18), transparent 34%), linear-gradient(180deg, rgba(30,31,45,.96), rgba(13,20,36,.96)); border-color: rgba(255,190,60,.5); }
.generator-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.generator-head h3 { margin: 0; font-size: 20px; }
.setup-form-grid {
  display: grid; grid-template-columns: 1fr 1fr 1.6fr; gap: 12px; align-items: end;
}
.setup-form-grid-2 { grid-template-columns: .8fr 1.6fr; }
.setup-form-grid label {
  display: flex; flex-direction: column; gap: 7px;
  font-family: var(--sans); font-weight: 800; font-size: 12.5px; color: var(--text-2);
}
.setup-form-grid select,
.setup-form-grid input {
  width: 100%; min-height: 46px; border-radius: 13px; border: 1px solid rgba(91,141,255,.42);
  background: rgba(7,16,31,.82); color: var(--text); padding: 0 13px; font-family: var(--sans); font-size: 14px;
  box-shadow: 0 0 0 1px rgba(255,255,255,.025) inset;
}
.setup-form-grid input:focus,
.setup-form-grid select:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(56,232,255,.14), 0 0 24px rgba(56,232,255,.12); }
.os-pills { display: flex; gap: 7px; flex-wrap: wrap; margin: 16px 0 12px; }
.os-pills .ostab.is-active { box-shadow: 0 0 24px rgba(56,232,255,.28); }
.codebox {
  position: relative; background: linear-gradient(180deg, #081426, #050b16); border: 1px solid rgba(91,141,255,.45); border-radius: var(--r);
  overflow: hidden; margin-top: 10px; box-shadow: 0 18px 44px rgba(0,0,0,.26);
}
.codebox pre { margin: 0; padding: 20px; overflow-x: auto; }
.codebox code { background: transparent; border: 0; padding: 0; color: #d9e7ff; font-size: 12.5px; }
.codebox .copy-btn {
  position: absolute; top: 10px; right: 10px; z-index: 2;
  border: 1px solid var(--line-strong); background: rgba(255,255,255,.07); color: var(--text-2);
  border-radius: 9px; padding: 6px 11px; font-family: var(--sans); font-weight: 800; font-size: 12px; cursor: pointer;
}
.codebox .copy-btn:hover,
.codebox .copy-btn.copied { color: #06232b; background: var(--grad); border-color: transparent; }
.manual-card code { display: inline-block; margin: 8px 0; }
.setup-guide-steps { display: grid; gap: 18px; padding-left: 0; list-style: none; margin: 24px 0; }
.setup-guide-steps > li {
  background: linear-gradient(180deg, rgba(255,190,60,.07), rgba(14,22,38,.94));
  border: 1px solid rgba(255,190,60,.3); border-radius: var(--r-lg); padding: 18px;
  box-shadow: 0 18px 48px rgba(0,0,0,.24);
}
.guide-shot { margin: 14px 0 0; border: 1px solid var(--line-strong); border-radius: var(--r-lg); overflow: hidden; background: rgba(0,0,0,.25); box-shadow: 0 20px 54px rgba(0,0,0,.32); }
.guide-shot img { display: block; width: 100%; height: auto; }
.guide-shot figcaption { padding: 10px 14px; color: var(--muted); font-size: 12.5px; border-top: 1px solid var(--line); }
.app-detail-list { display: grid; gap: 14px; margin-top: 20px; }
.app-detail { padding: 0; }
.app-detail summary {
  cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px; transition: background .16s;
}
.app-detail summary::-webkit-details-marker { display: none; }
.app-detail summary::after { content: "+"; color: var(--cyan); font-weight: 900; font-size: 24px; text-shadow: 0 0 18px rgba(56,232,255,.48); }
.app-detail[open] summary::after { content: "−"; color: #ffd98a; }
.app-detail summary:hover { background: rgba(255,255,255,.04); }
.app-detail summary span { margin: 0; font-size: 18px; }
.app-detail summary small { color: var(--muted); font-weight: 800; }
.app-detail-body { padding: 0 20px 20px; border-top: 1px solid var(--line); }
.app-detail-body ol { margin: 14px 0; padding-left: 22px; }
.app-detail-body li { margin: 7px 0; }
@media (max-width: 980px) {
  .setup-steps,
  .app-priority-grid,
  .manual-grid,
  .setup-form-grid,
  .setup-form-grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .setup-hero h1 { font-size: clamp(30px, 8vw, 42px); }
  .setup-layout { padding: 16px; }
  .setup-step-card,
  .app-card,
  .manual-card,
  .setup-generator,
  .app-detail summary,
  .app-detail-body,
  .setup-guide-steps > li { padding: 16px; }
  .app-detail summary { align-items: flex-start; flex-direction: column; gap: 6px; }
}