:root{
  --fg:#ffffff;
  --muted: rgba(255,255,255,.78);
  --panel: rgba(10,16,25,.62);
  --panel2: rgba(10,16,25,.40);
  --stroke: rgba(255,255,255,.18);
  --ok: #35d07f;
  --off: #ff5a67;
  --warn:#ffcc66;
  --btn: rgba(255,255,255,.12);
  --btn2: rgba(255,255,255,.18);
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

*{ box-sizing: border-box; }
body{
  margin:0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--fg);
  background:#000;
}

.bg-solar{
  min-height: 100vh;
  background: url("./solar.jpg") center/cover no-repeat fixed;
}
.bg-overlay{
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0,0,0,.25), rgba(0,0,0,.78));
  pointer-events:none;
}

.topbar{
  position: sticky;
  top:0;
  z-index: 10;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding: 14px 18px;
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.12);
}

.brand{ display:flex; align-items:baseline; gap:12px; }
.brand-title{
  font-size: 44px;       /* 文字を大きく */
  font-weight: 800;
  letter-spacing:.5px;
}
.brand-sub{
  font-size: 22px;
  font-weight: 700;
  color: var(--warn);
}

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

.btn{
  border: 1px solid var(--stroke);
  background: var(--btn);
  color: var(--fg);
  padding: 10px 16px;
  border-radius: 14px;
  cursor:pointer;
  text-decoration:none;
  font-weight: 750;
  font-size: 18px;
}
.btn:hover{ background: var(--btn2); }
.btn-primary{
  background: rgba(255, 165, 0, .22);
  border-color: rgba(255, 165, 0, .55);
}
.btn-ghost{ background: rgba(255,255,255,.10); }

.wrap{
  max-width: 1920px;     /* 1920×800内で綺麗に見える */
  margin: 0 auto;
  padding: 18px;
}

.grid{
  display:grid;
  grid-template-columns: repeat(4, minmax(280px, 1fr));
  gap: 14px;
}

/* 1920x800を想定しつつ、狭い画面では折り返す */
@media (max-width: 1600px){
  .grid{ grid-template-columns: repeat(2, minmax(280px, 1fr)); }
}
@media (max-width: 860px){
  .grid{ grid-template-columns: 1fr; }
  .brand-title{ font-size: 34px; }
}

.card{
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: 18px;
  padding: 14px 14px 12px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  position: relative;
  overflow:hidden;
}
.card::before{
  content:"";
  position:absolute;
  inset:-40px -60px auto auto;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(255,165,0,.22), transparent 60%);
  transform: rotate(15deg);
  pointer-events:none;
}

.card.ok{ border-color: rgba(53,208,127,.55); }
.card.off{ border-color: rgba(255,90,103,.75); }

.card-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-bottom: 10px;
}

.site{
  font-size: 26px;
  font-weight: 850;
  letter-spacing:.3px;
  display:flex;
  align-items:center;
  gap:10px;
}
.badge{
  font-size: 14px;
  font-weight: 900;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.08);
}
.badge.ok{ border-color: rgba(53,208,127,.7); color: var(--ok); }
.badge.off{ border-color: rgba(255,90,103,.9); color: var(--off); }

.time{
  font-size: 14px;
  color: var(--muted);
  text-align:right;
}

.big{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 10px 0 6px;
}
.big .v{
  font-size: 56px;    /* 数字大きく */
  font-weight: 900;
  letter-spacing: .5px;
  line-height:1.0;
}
.big .u{
  font-size: 18px;
  opacity:.85;
  margin-left: 6px;
  font-weight: 800;
}
.big .soc{
  font-size: 44px;
  font-weight: 900;
  text-align:right;
}

.kv{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 10px;
  padding-top: 10px;
  border-top: 1px dashed rgba(255,255,255,.16);
  font-size: 16px;
}
.kv .k{ color: rgba(255,255,255,.75); font-weight: 700; }
.kv .val{ text-align:right; font-weight: 850; }

.foot{
  margin-top: 12px;
  display:flex;
  justify-content:flex-end;
}
.hint{
  color: rgba(255,255,255,.65);
  font-size: 13px;
}

/* modal */
.modal{
  position: fixed;
  inset: 0;
  display:none;
  align-items:center;
  justify-content:center;
  background: rgba(0,0,0,.60);
  z-index: 50;
}
.modal.show{ display:flex; }
.modal-card{
  width: min(980px, 92vw);
  background: rgba(16,20,28,.86);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}
.modal-head, .modal-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.modal-foot{ border-top: 1px solid rgba(255,255,255,.10); border-bottom: 0; }
.modal-title{ font-size: 20px; font-weight: 900; }
.iconbtn{
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.10);
  color:#fff;
  border-radius: 12px;
  padding: 6px 10px;
  cursor:pointer;
  font-weight: 900;
}
.modal-body{ padding: 14px 16px 18px; }

.row{ display:flex; gap:10px; flex-wrap:wrap; align-items:center; }
.label{ display:flex; flex-direction:column; gap:6px; font-weight: 800; color: rgba(255,255,255,.85); }

.input{
  width: 100%;
  min-width: 220px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.08);
  color:#fff;
  font-size: 16px;
  outline: none;
}

.list{
  margin-top: 12px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
}
.item .mail{ font-weight: 850; }
.item .del{ background: rgba(255,90,103,.18); border-color: rgba(255,90,103,.55); }

.msg{ margin-top:10px; color: rgba(255,255,255,.82); font-size: 14px; white-space: pre-wrap; }