:root{
  --bg0:#070a12;
  --bg1:#0b1020;

  --panel: rgba(255,255,255,0.06);
  --panel2: rgba(255,255,255,0.08);
  --stroke: rgba(255,255,255,0.12);

  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.62);

  --accent:#7c5cff;
  --accent2:#35c6ff;

  --shadow: 0 18px 55px rgba(0,0,0,0.55);
  --radius: 18px;
}

*{ box-sizing:border-box; }

html,body{
  margin:0;
  padding:0;
  color:var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background:
    radial-gradient(900px 600px at 25% 20%, rgba(124,92,255,0.20), transparent 55%),
    radial-gradient(900px 600px at 78% 28%, rgba(53,198,255,0.16), transparent 55%),
    radial-gradient(900px 600px at 55% 82%, rgba(124,92,255,0.12), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
}

.container{
  width:min(1240px, 94vw);
  margin: 18px auto 44px;
}

.topbar{
  display:grid;
  grid-template-columns: 270px 1fr auto;
  gap: 14px;
  align-items:center;
  margin-bottom: 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 12px;
}

.logo{
  width:42px;
  height:42px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(124,92,255,0.95), rgba(53,198,255,0.75));
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:900;
  letter-spacing: 0.6px;
  box-shadow: 0 16px 40px rgba(124,92,255,0.18);
}

.brandText .title{ font-weight: 900; font-size: 16px; line-height: 1.05; }
.brandText .sub{ color: var(--muted); font-size: 12px; margin-top: 4px; }

.searchWrap{
  display:flex;
  align-items:center;
  gap: 10px;
}

.search{
  width:100%;
  border-radius: 999px;
  padding: 12px 16px;
  background: rgba(0,0,0,0.25);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text);
  outline:none;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05);
}
.search::placeholder{ color: rgba(255,255,255,0.40); }

.searchMeta{
  color: var(--muted);
  font-size: 12px;
  min-width: 78px;
  text-align:right;
}

.actions{
  display:flex;
  gap: 10px;
  align-items:center;
}

.btn{
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 999px;
  cursor:pointer;
  font-weight: 850;
  letter-spacing: 0.2px;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
  white-space: nowrap;
}
.btn:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.08);
}

.btnPrimary{
  border: 1px solid rgba(124,92,255,0.85);
  background: linear-gradient(135deg, rgba(124,92,255,0.72), rgba(53,198,255,0.18));
  box-shadow: 0 18px 50px rgba(124,92,255,0.24);
  padding: 10px 16px;
}
.btnSub{
  display:block;
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,0.75);
  margin-top: 3px;
  letter-spacing: 0;
}

.layout{
  display:grid;
  grid-template-columns: 280px 1fr 360px;
  gap: 14px;
  align-items:start;
}

.panel{
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: var(--shadow);
  overflow:hidden;
}

.panelHeader{
  padding: 14px 14px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.12);
}

.panelHeaderRow{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
}

.panelTitle{
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.78);
  font-weight: 900;
}
.panelHint{
  margin-top: 6px;
  font-size: 12px;
  color: rgba(255,255,255,0.55);
  line-height: 1.35;
}

.pill{
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(0,0,0,0.18);
  color: rgba(255,255,255,0.80);
}

.nav{
  padding: 12px;
  display:flex;
  flex-direction: column;
  gap: 10px;
}

.navItem{
  width:100%;
  display:flex;
  justify-content: space-between;
  align-items:center;
  padding: 11px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(0,0,0,0.18);
  color: var(--text);
  cursor:pointer;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}
.navItem:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.18);
}
.navItem.active{
  border-color: rgba(124,92,255,0.70);
  background: linear-gradient(135deg, rgba(124,92,255,0.22), rgba(53,198,255,0.10));
  box-shadow: 0 18px 44px rgba(124,92,255,0.10);
}
.navLabel{ font-weight: 850; font-size: 13px; }
.navChevron{ color: rgba(255,255,255,0.40); font-size: 18px; line-height: 1; }

.content{
  padding: 14px;
}

.hero{
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(124,92,255,0.22), rgba(53,198,255,0.10));
  border: 1px solid rgba(255,255,255,0.12);
  padding: 18px;
  box-shadow: 0 18px 45px rgba(0,0,0,0.45);
}
.hero h2{ margin:0; font-size: 34px; letter-spacing: -0.02em; }
.hero p{
  margin: 10px 0 0 0;
  color: rgba(255,255,255,0.78);
  line-height: 1.45;
  max-width: 72ch;
}

.section{ margin-top: 14px; }
.section h3{
  margin: 0 0 8px 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.78);
}

.card{
  border-radius: var(--radius);
  background: rgba(0,0,0,0.20);
  border: 1px solid rgba(255,255,255,0.10);
  padding: 16px;
  box-shadow: 0 18px 50px rgba(0,0,0,0.35);
}

.big{
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.callout{
  border-radius: 16px;
  padding: 14px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.84);
  line-height: 1.55;
}

.kv{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 14px;
}

ul{
  margin: 10px 0 0 18px;
  padding: 0;
  line-height: 1.6;
}

.steps{
  margin: 10px 0 0 18px;
  padding: 0;
  line-height: 1.6;
}

.techList{
  padding: 12px;
  max-height: calc(100vh - 220px);
  overflow:auto;
}

.techItem{
  border-radius: 16px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(0,0,0,0.18);
  cursor:pointer;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
  margin-bottom: 10px;
}
.techItem:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
}
.techItem .t{ font-weight: 900; letter-spacing: -0.01em; }
.techItem .m{
  margin-top: 6px;
  color: rgba(255,255,255,0.62);
  font-size: 12px;
  line-height: 1.35;
}

.modalOverlay{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.62);
  backdrop-filter: blur(10px);
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 18px;
  z-index: 9999;
}
.hidden{ display:none !important; }

.modal{
  width: min(820px, 96vw);
  border-radius: 22px;
  background: rgba(10, 14, 28, 0.92);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 28px 90px rgba(0,0,0,0.65);
  overflow:hidden;
}

.modalTop{
  padding: 16px 16px 12px;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.12);
}
.modalTitle{ font-size: 18px; font-weight: 950; }
.modalSub{ margin-top: 6px; font-size: 12px; color: rgba(255,255,255,0.65); }

.iconBtn{
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  width: 38px;
  height: 38px;
  border-radius: 12px;
  cursor:pointer;
}

.modalBody{ padding: 16px; }
.modalInput{
  width:100%;
  border-radius: 16px;
  padding: 12px 12px;
  background: rgba(0,0,0,0.25);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text);
  outline:none;
  resize: vertical;
  min-height: 110px;
}

.modalActions{
  display:flex;
  justify-content:flex-end;
  gap: 10px;
  margin-top: 12px;
}

.modalStatus{
  margin-top: 12px;
  color: rgba(255,255,255,0.70);
  font-size: 12px;
  font-weight: 800;
}

.modalAnswer{
  margin-top: 10px;
  border-radius: 16px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.86);
  white-space: pre-wrap;
  line-height: 1.55;
}

@media (max-width: 1100px){
  .topbar{ grid-template-columns: 1fr; }
  .layout{ grid-template-columns: 1fr; }
  .techList{ max-height: 420px; }
}