:root{
  --bg:#0b1020;
  --panel:#111a33;
  --panel2:#0f1730;
  --text:#e8eeff;
  --muted:#a9b4d6;
  --line:rgba(255,255,255,.10);
  --accent:#7aa2ff;
  --good:#2bd576;
  --warn:#ffcc66;
  --bad:#ff5c7a;
  --shadow: 0 18px 55px rgba(0,0,0,.45);
  --radius: 18px;
}
*{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";
  color:var(--text);
  background:
    radial-gradient(1000px 700px at 15% 20%, rgba(122,162,255,.18), transparent 55%),
    radial-gradient(900px 700px at 80% 15%, rgba(43,213,118,.12), transparent 55%),
    radial-gradient(700px 600px at 55% 85%, rgba(255,92,122,.10), transparent 55%),
    linear-gradient(180deg, #070a14, var(--bg) 60%, #070a14);
}
a{color:inherit}
.wrap{
  max-width:1100px;
  margin:0 auto;
  padding:28px 18px 40px;
  min-height:100%;
  display:flex;
  flex-direction:column;
  gap:18px;
}
header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.brand{
  display:flex; align-items:center; gap:12px;
  user-select:none;
}
.logo{
  width:38px; height:38px; border-radius:12px;
  background:
    radial-gradient(12px 12px at 30% 35%, rgba(255,255,255,.9), rgba(255,255,255,0) 60%),
    linear-gradient(135deg, rgba(122,162,255,.95), rgba(43,213,118,.75));
  box-shadow: 0 10px 25px rgba(122,162,255,.18);
  border:1px solid rgba(255,255,255,.18);
}
.brand h1{
  font-size:15px;
  margin:0;
  letter-spacing:.2px;
  font-weight:650;
}
.brand small{
  display:block;
  margin-top:2px;
  color:var(--muted);
  font-size:12px;
  font-weight:500;
}
.pillbar{
  display:flex; align-items:center; gap:10px; flex-wrap:wrap;
  justify-content:flex-end;
}
.pill{
  font-size:12px;
  padding:8px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--muted);
  display:flex; align-items:center; gap:8px;
  backdrop-filter: blur(8px);
}
.pill.link {
  text-decoration: none;
  color: var(--muted);
}
.pill.link:hover {
  color: var(--text);
  background: rgba(255,255,255,.07);
}
.dot{width:8px;height:8px;border-radius:99px;background:var(--good); box-shadow: 0 0 0 3px rgba(43,213,118,.12)}
.dot.warn{background:var(--warn); box-shadow: 0 0 0 3px rgba(255,204,102,.12)}
.dot.bad{background:var(--bad); box-shadow: 0 0 0 3px rgba(255,92,122,.12)}
main{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap:18px;
  flex:1;
  align-items:stretch;
}
@media (max-width: 920px){
  main{grid-template-columns: 1fr}
  .pillbar{justify-content:flex-start}
}
.card{
  border-radius:var(--radius);
  border:1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  box-shadow: var(--shadow);
  overflow:hidden;
  position:relative;
}
.card .inner{padding:18px}
.miniAction{
  text-align:left;
  width:100%;
  cursor:pointer;
}
.miniAction:hover{
  background: rgba(255,255,255,.05);
}
.miniAction:active{
  transform: translateY(1px);
}
.flashCard{
  outline: 2px solid rgba(122,162,255,.55);
  box-shadow: 0 0 0 6px rgba(122,162,255,.12), var(--shadow);
  transition: outline-color .2s ease, box-shadow .2s ease;
}
.pulseField{
  border-color: rgba(122,162,255,.55) !important;
  box-shadow: 0 0 0 5px rgba(122,162,255,.10);
  transition: box-shadow .2s ease, border-color .2s ease;
}
.title{
  display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
  margin-bottom:10px;
}
.title h2{
  margin:0;
  font-size:18px;
  font-weight:720;
  letter-spacing:.2px;
}
.subtitle{
  margin:6px 0 0;
  color:var(--muted);
  font-size:13px;
  line-height:1.4;
}

/* Left card: preview */
.preview{
  display:flex;
  flex-direction:column;
  height:100%;
}
.previewTop{
  padding:16px 18px 14px;
  border-bottom:1px solid var(--line);
  background: linear-gradient(180deg, rgba(15,23,48,.65), rgba(15,23,48,.25));
}
.gridRow{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
  margin-top:12px;
}
@media (max-width: 520px){
  .gridRow{grid-template-columns:1fr}
}
.mini{
  border-radius:14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.035);
  padding:12px;
  display:flex; gap:10px;
  align-items:flex-start;
}
.mini strong{display:block; font-size:13px; font-weight:650; margin-bottom:3px}
.mini span{display:block; font-size:12px; color:var(--muted); line-height:1.35}
.icon{
  width:34px; height:34px; border-radius:12px;
  border:1px solid rgba(255,255,255,.14);
  background: linear-gradient(135deg, rgba(122,162,255,.22), rgba(43,213,118,.14));
  display:grid; place-items:center;
  flex:0 0 auto;
}
.icon svg{opacity:.9}
.videoStage{
  flex:1;
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.fakeVideo{
  position:relative;
  flex:1;
  min-height:260px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(520px 260px at 20% 30%, rgba(122,162,255,.22), transparent 55%),
    radial-gradient(460px 260px at 80% 25%, rgba(43,213,118,.18), transparent 55%),
    radial-gradient(520px 260px at 55% 80%, rgba(255,92,122,.12), transparent 55%),
    linear-gradient(180deg, rgba(0,0,0,.12), rgba(0,0,0,.45)),
    repeating-linear-gradient(90deg, rgba(255,255,255,.03) 0, rgba(255,255,255,.03) 2px, transparent 2px, transparent 10px);
  overflow:hidden;
}
.fakeVideo:before{
  content:"";
  position:absolute; inset:-2px;
  background: radial-gradient(180px 110px at 18% 30%, rgba(255,255,255,.08), transparent 60%);
  filter: blur(2px);
  pointer-events:none;
}
.osd{
  position:absolute;
  left:12px; top:12px;
  display:flex; flex-wrap:wrap; gap:8px;
  font-size:12px;
}
.tag{
  border:1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.25);
  backdrop-filter: blur(8px);
  padding:6px 10px;
  border-radius:999px;
  color: rgba(255,255,255,.88);
  display:flex; gap:8px; align-items:center;
}
.tag .led{
  width:8px;height:8px;border-radius:999px;background:var(--good);
  box-shadow:0 0 0 3px rgba(43,213,118,.14);
}
.controls{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.btnRow{display:flex; gap:10px; flex-wrap:wrap}
button{
  font: inherit;
  color: inherit;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  padding:10px 12px;
  border-radius:12px;
  cursor:pointer;
  transition: transform .06s ease, background .12s ease, border-color .12s ease;
}
button:hover{background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.22)}
button:active{transform: translateY(1px)}
.primary{
  background: linear-gradient(135deg, rgba(122,162,255,.85), rgba(122,162,255,.42));
  border-color: rgba(122,162,255,.55);
}
.primary:hover{background: linear-gradient(135deg, rgba(122,162,255,.92), rgba(122,162,255,.52))}
.ghost{
  background: transparent;
}
.meter{
  display:flex; align-items:center; gap:10px;
  color:var(--muted);
  font-size:12px;
}
.bar{
  width:140px; height:8px; border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  overflow:hidden;
}
.bar > i{
  display:block; height:100%;
  width: 58%;
  background: linear-gradient(90deg, rgba(43,213,118,.9), rgba(122,162,255,.85));
}

/* Right card: login */
.login{
  height:100%;
  display:flex;
  flex-direction:column;
}
.loginHead{
  padding:18px 18px 12px;
  border-bottom:1px solid var(--line);
  background: linear-gradient(180deg, rgba(15,23,48,.65), rgba(15,23,48,.25));
}
form{
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
label{
  font-size:12px;
  color:var(--muted);
  display:block;
  margin:0 0 6px;
}
.field{
  border:1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
  border-radius:14px;
  padding:10px 12px;
  display:flex; align-items:center; gap:10px;
}
.field input{
  width:100%;
  background: transparent;
  border:0;
  outline:0;
  color:var(--text);
  font-size:14px;
}
.field input::placeholder{color: rgba(169,180,214,.75)}
.hint{
  margin-top:-4px;
  color:var(--muted);
  font-size:12px;
  line-height:1.4;
}
.status{
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  padding:12px;
  font-size:13px;
  line-height:1.35;
  color: rgba(232,238,255,.92);
  display:none;
}
.status.bad{
  display:block;
  border-color: rgba(255,92,122,.35);
  background: rgba(255,92,122,.10);
}
.status small{display:block;color: rgba(232,238,255,.78); margin-top:5px}
.split{
  display:flex; gap:10px; flex-wrap:wrap; align-items:center; justify-content:space-between;
  margin-top:auto;
}
.kvs{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:10px;
  padding:0 18px 18px;
}
.kv{
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  padding:12px;
}
.kv b{display:block; font-size:12px; color: rgba(232,238,255,.92); margin-bottom:4px}
.kv span{display:block; font-size:12px; color:var(--muted); line-height:1.35}
footer{
  display:flex;
  justify-content:space-between;
  gap:12px;
  color: rgba(169,180,214,.75);
  font-size:12px;
  padding:4px 2px 0;
  flex-wrap:wrap;
}
.mono{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;}