:root{
  --bg:#212121; --panel:#303030; --panel2:#0c1526;
  --text:#e8eefc; --muted:rgba(232,238,252,.75);
  --border:rgba(255,255,255,.08);
  --shadow:0 18px 40px rgba(0,0,0,.35);
  --r:16px;
  --info:#39b8ff; --danger:#ff4d6d; --btn:#182744;
}

html[data-theme="light"]{
  --bg:#f6f7fb; --panel:#ffffff; --panel2:#f1f3f8;
  --text:#0f172a; --muted:rgba(15,23,42,.70);
  --border:rgba(15,23,42,.10);
  --shadow:0 18px 40px rgba(15,23,42,.12);
  --btn:#e8ecf6;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,"Noto Sans",sans-serif;
  background:var(--bg); color:var(--text);
}
a{color:inherit; text-decoration:none}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

.page{min-height:100vh; display:grid; place-items:center; padding:16px}
.container{width:min(960px, 100%);}

.grid{
  display:grid; gap:16px;
  grid-template-columns:repeat(4, minmax(0,1fr));
}
@media (max-width: 820px){
  .grid{grid-template-columns:repeat(2, minmax(0,1fr));}
}
@media (max-width: 520px){
  .grid{grid-template-columns:1fr;}
}

.card{
  border:1px solid var(--border);
  background:var(--panel);
  border-radius:var(--r);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.card-main{grid-column:1 / -1;}
.card-body{padding:22px;}
.card-body.compact{padding:16px;}
.card-link{cursor:pointer; transition:transform .15s ease, filter .15s ease;}
.card-link:hover{transform:translateY(-2px); filter:brightness(1.04);}

h1{margin:0 0 10px; font-size:28px; font-weight:800; letter-spacing:.2px}
h2{margin:0; font-size:18px; font-weight:800}
.muted{color:var(--muted)}
.tiny{font-size:12px; margin-top:12px}

.actions{display:flex; gap:10px; justify-content:flex-end; margin-top:14px; flex-wrap:nowrap}
.actions.wrap{flex-wrap:wrap; justify-content:flex-start}
.status-line{margin-top:14px; font-size:13px; color:var(--muted)}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  height:44px; padding:0 14px;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--btn);
  color:var(--text);
  font-weight:700;
  cursor:pointer;
  user-select:none;
  transition:transform .08s ease, filter .15s ease;
}
.btn:hover{filter:brightness(1.06)}
.btn:active{transform:scale(.98)}
.btn-ghost{background:transparent}
.btn-info{background:var(--info); border-color:transparent; color:#001018}
.btn-danger{background:var(--danger); border-color:transparent; color:#1a0007}
.btn-sm{height:34px; padding:0 10px; border-radius:10px; font-size:13px}

.row{display:flex; align-items:center; justify-content:space-between; gap:12px}
.icon{font-size:18px; opacity:.9}

.card-link.info{background:color-mix(in srgb, var(--info) 18%, var(--panel) 82%)}
.card-link.danger{background:color-mix(in srgb, var(--danger) 18%, var(--panel) 82%)}

.footer{margin-top:14px; padding:10px 6px; text-align:center; color:var(--muted); font-size:13px}
.footer a{color:inherit; text-decoration:underline; text-underline-offset:3px}

.modal{
  position:fixed; inset:0;
  display:none;
}
.modal[aria-hidden="false"]{display:block;}
.modal-backdrop{
  position:absolute; inset:0;
  background:rgba(0,0,0,.55);
}
.modal-box{
  position:relative;
  width:min(560px, calc(100% - 24px));
  margin:10vh auto 0;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:18px;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.modal-head{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 16px;
  background:var(--panel2);
  border-bottom:1px solid var(--border);
}
.modal-title{font-weight:900}
.modal-close{
  border:1px solid var(--border);
  background:transparent;
  color:var(--text);
  width:36px; height:36px;
  border-radius:12px;
  cursor:pointer;
}
.modal-body{padding:16px}

.guide-block{
  margin:14px 0;
  border:1px solid var(--border);
  border-radius:14px;
  overflow:hidden;
}
.guide-row{
  display:flex; gap:14px;
  padding:12px 12px;
  border-top:1px solid var(--border);
}
.guide-row:first-child{border-top:none}
.guide-label{width:86px; color:var(--muted); font-size:13px}
.guide-value{flex:1; display:flex; align-items:center; justify-content:space-between; gap:12px}
.guide-value code{padding:6px 8px; border-radius:10px; border:1px solid var(--border); background:transparent}