/* QuickStage Frontend (Static)
   Dark-mode default. Clean, modern, not a school project.
*/
:root{
  --bg0:#070A12;
  --bg1:#0B1020;
  --card:#0F1730CC;
  --card2:#0F1730;
  --text:#EAF0FF;
  --muted:#A9B4D0;
  --line:#25325A;
  --accent:#7C5CFF;
  --accent2:#FF4FD8;
  --good:#4DFFB5;
  --warn:#FFCB6B;
  --bad:#FF5C7A;
  --shadow: 0 22px 60px rgba(0,0,0,.55);
  --radius: 18px;
  --radius2: 14px;
  --max: 1080px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(900px 500px at 18% 20%, rgba(124,92,255,.22), transparent 55%),
    radial-gradient(800px 500px at 86% 18%, rgba(255,79,216,.16), transparent 55%),
    radial-gradient(900px 600px at 50% 110%, rgba(77,255,181,.10), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
               "Segoe UI", Inter, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  letter-spacing:.2px;
}
a{color:inherit; text-decoration:none}
a:hover{opacity:.92}
.container{max-width:var(--max); margin:0 auto; padding:22px}
.nav{
  position:sticky; top:0;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(7,10,18,.78), rgba(7,10,18,.40));
  border-bottom:1px solid rgba(37,50,90,.35);
  z-index: 20;
}
.nav-inner{
  max-width:var(--max); margin:0 auto;
  padding:14px 22px;
  display:flex; align-items:center; justify-content:space-between; gap:12px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-weight:800; letter-spacing:.6px;
}
.logo{
  width:34px; height:34px; border-radius:12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 14px 40px rgba(124,92,255,.22), 0 10px 30px rgba(255,79,216,.14);
}
.navlinks{display:flex; gap:10px; flex-wrap:wrap; align-items:center}
.pill{
  border:1px solid rgba(37,50,90,.55);
  background: rgba(15,23,48,.45);
  padding:9px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
}
.pill:hover{border-color: rgba(124,92,255,.55); color: var(--text)}
.pill.primary{
  border-color: rgba(124,92,255,.65);
  background: linear-gradient(135deg, rgba(124,92,255,.25), rgba(255,79,216,.14));
  color: var(--text);
}
.hero{
  padding:46px 0 28px;
}
.kicker{
  display:inline-flex; gap:8px; align-items:center;
  border:1px solid rgba(37,50,90,.55);
  background: rgba(15,23,48,.35);
  padding:8px 12px; border-radius:999px;
  color: var(--muted); font-size: 13px;
}
.dot{width:8px; height:8px; border-radius:99px; background: var(--good); box-shadow: 0 0 20px rgba(77,255,181,.35)}
h1{margin:14px 0 10px; font-size: 44px; line-height: 1.05}
h2{margin:0 0 10px; font-size: 24px}
p{margin:0 0 12px; color: var(--muted); line-height:1.55}
.grid{
  display:grid; grid-template-columns: 1.25fr .75fr; gap:18px;
}
@media (max-width: 920px){ .grid{grid-template-columns:1fr} h1{font-size:38px} }
.card{
  border:1px solid rgba(37,50,90,.55);
  background: rgba(15,23,48,.55);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.card .pad{padding:18px}
.card .topline{
  padding:14px 18px;
  border-bottom: 1px solid rgba(37,50,90,.45);
  background: linear-gradient(180deg, rgba(15,23,48,.60), rgba(15,23,48,.35));
}
.row{display:flex; gap:12px; flex-wrap:wrap}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  border:1px solid rgba(37,50,90,.65);
  background: rgba(15,23,48,.60);
  color: var(--text);
  padding:12px 14px;
  border-radius: 14px;
  font-weight: 700;
  cursor:pointer;
  transition: transform .05s ease, border-color .12s ease, background .12s ease;
  user-select:none;
}
.btn:hover{border-color: rgba(124,92,255,.65)}
.btn:active{transform: translateY(1px)}
.btn.primary{
  border-color: rgba(124,92,255,.72);
  background: linear-gradient(135deg, rgba(124,92,255,.40), rgba(255,79,216,.22));
}
.btn.ghost{
  background: transparent;
}
.small{font-size:12px; color: var(--muted)}
.field{display:flex; flex-direction:column; gap:7px; margin:12px 0}
label{font-size:12px; color: var(--muted)}
input, select, textarea{
  width:100%;
  padding:12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(37,50,90,.60);
  background: rgba(7,10,18,.35);
  color: var(--text);
  outline:none;
}
input:focus, textarea:focus, select:focus{border-color: rgba(124,92,255,.75)}
hr{border:none; border-top:1px solid rgba(37,50,90,.45); margin:14px 0}
.notice{
  padding:12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(37,50,90,.55);
  background: rgba(15,23,48,.35);
  color: var(--muted);
}
.notice.good{border-color: rgba(77,255,181,.38)}
.notice.warn{border-color: rgba(255,203,107,.40)}
.notice.bad{border-color: rgba(255,92,122,.40)}
.footer{
  padding:24px 0 34px;
  color: var(--muted);
  border-top:1px solid rgba(37,50,90,.35);
  margin-top: 32px;
}
.footer a{color: var(--text); opacity:.85}
.footer a:hover{opacity:1}
.badge{
  display:inline-flex; gap:8px; align-items:center;
  padding:7px 10px; border-radius:999px;
  border:1px solid rgba(37,50,90,.55);
  background: rgba(15,23,48,.35);
  color: var(--muted);
  font-size: 12px;
}
.code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  color: #DCE6FF;
  background: rgba(7,10,18,.45);
  border: 1px solid rgba(37,50,90,.55);
  border-radius: 14px;
  padding: 12px;
  overflow:auto;
}
.kv{
  display:grid; grid-template-columns: 180px 1fr; gap:10px; align-items:start;
}
@media (max-width: 720px){ .kv{grid-template-columns:1fr} }
.miniapp{
  display:flex; gap:12px; align-items:center;
}
.miniapp img{
  width:52px; height:52px; border-radius: 16px; object-fit: cover;
  border: 1px solid rgba(37,50,90,.55);
  background: rgba(7,10,18,.35);
}
.subtitle{color: var(--muted); font-size: 13px; margin-top:4px}