/* Minimal, mobile-first UI */
:root{
  --bg:#0b1220;
  --card:#121a2b;
  --muted:#9fb0d0;
  --text:#eef2ff;
  --accent:#0d6efd;
  --danger:#ff5c7a;
  --ok:#3ddc97;
  --border: rgba(255,255,255,.10);
  --shadow: 0 8px 20px rgba(0,0,0,.30);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif;
  background: radial-gradient(1200px 600px at 30% 0%, #14224a 0%, var(--bg) 60%);
  color: var(--text);
}

a{color: var(--accent)}
.small{font-size: 12px; color: var(--muted)}

.topbar{
  position: sticky; top:0; z-index:10;
  display:flex; align-items:center; justify-content:space-between;
  padding: 12px 14px;
  flex-wrap: wrap;
  gap: 8px;
  background: rgba(11,18,32,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.topbar__title{
  font-weight:700;
  font-size: 14px;
  line-height: 1.4;
}

.topbar__nav{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  justify-content:flex-end;
  align-items:center;
}
.deck-label{
  display:flex;
  align-items:center;
  gap:6px;
}
.deck-select{
  padding: 6px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-weight: 600;
  max-width: 180px;
}

.container{
  max-width: 920px;
  margin: 0 auto;
  padding: 14px;
}

.card{
  background: rgba(18,26,43,.9);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 14px;
  margin-bottom: 12px;
}

.h1{font-size: 18px; margin: 0 0 10px 0}
.h2{font-size: 15px; margin: 14px 0 8px 0}
.p{white-space: pre-wrap; line-height: 1.55; color: var(--text)}

.row{display:flex; gap:10px; flex-wrap:wrap}
.col{flex:1 1 240px}

.btn{
  appearance:none;
  border: 1px solid var(--border);
  background: var(--accent);
  color: #fff;
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 700;
  cursor:pointer;
}
.btn:active{transform: translateY(1px)}
.btn--ghost{
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  font-weight: 700;
}
.btn--danger{background: var(--danger)}
.btn--ok{background: var(--ok); color:#052016}
.btn--muted{
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
  color: var(--text);
}

.badge{
  display:inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  font-size: 12px;
  color: var(--muted);
}

.option{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  margin: 8px 0;
}

.option input{margin-top: 3px; transform: scale(1.15)}
.option__label{flex:1}
.option__key{font-weight:800; width: 18px}

.hr{height:1px;background:var(--border);margin:12px 0}
.status{
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  margin: 8px 0;
  background: rgba(255,255,255,.04);
  color: var(--muted);
}
.status--ok{color: #9ef2c3; border-color: rgba(62,220,151,.5); background: rgba(62,220,151,.08);}
.status--warn{color: #ffd088; border-color: rgba(255,208,136,.6); background: rgba(255,208,136,.06);}
.status--muted{color: var(--muted);}
.status--info{color: var(--text);}

.footer{
  padding: 14px;
  border-top: 1px solid var(--border);
  background: rgba(11,18,32,.65);
}

.kpi{
  display:flex; gap:10px; flex-wrap:wrap;
}
.kpi .kpi__item{
  flex:1 1 160px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  border-radius: 12px;
  padding: 10px;
}
.kpi__value{font-size: 20px; font-weight: 900}
.kpi__label{font-size: 12px; color: var(--muted)}

.progress{
  width:100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  overflow:hidden;
  border: 1px solid var(--border);
}
.progress > div{
  height:100%;
  background: var(--accent);
  width: 0%;
}

.timer{
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.sr-controls{
  display:flex;
  flex-direction:column;
  gap:8px;
}
.sr-controls select,
.sr-controls input[type="text"]{
  width:100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: var(--text);
}
textarea{
  width:100%;
  padding: 10px 12px;
  border-radius: 12px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-family: inherit;
}
input[type="text"],
input[type="url"],
input[type="password"]{
  width:100%;
  padding: 10px 12px;
  border-radius: 12px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: var(--text);
}
.grade-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.btn--sr{
  flex:1 1 120px;
  justify-content:center;
  text-align:center;
}
.btn--primary{
  box-shadow: 0 0 0 2px rgba(255,255,255,.18);
}
.cloud-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 10px;
}
.cloud-grid__item{
  display:flex;
  flex-direction:column;
  gap: 6px;
}