:root{
  --bg:#0b1220;
  --panel:#101a33;
  --panel2:#0c142c;
  --text:#e8f0ff;
  --muted:#8ea3c2;
  --border:rgba(255,255,255,.10);
  --accent:#4ea1ff;
  --accent2:#7cf0ff;
  --shadow:0 10px 30px rgba(0,0,0,.25);
  --radius:18px;
}

*{box-sizing:border-box}
html,body{height:100%}

body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;
  background:radial-gradient(900px 600px at 20% 0%, #13234a 0%, var(--bg) 55%);
  color:var(--text);
}

a{color:inherit}
.wrap{max-width:980px;margin:0 auto;padding:28px 18px 60px}

header{
  display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px
}

.brand{display:flex;align-items:center;gap:10px}
.logo{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:grid;place-items:center;color:#081126;font-weight:900
}
.brand-title{font-weight:900;letter-spacing:.2px}
.brand-sub{font-size:12px;color:var(--muted)}

nav a{
  color:var(--muted);text-decoration:none;margin-left:14px;font-size:14px
}
nav a:hover{color:var(--text)}

h1{font-size:38px;line-height:1.1;margin:16px 0 8px}
.sub{color:var(--muted);margin:0 0 18px;max-width:60ch}

.grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
@media (max-width:860px){.grid{grid-template-columns:1fr}}

.card{
  background:rgba(16,26,51,.85);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);
  padding:16px;
  box-shadow:var(--shadow);
}

.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.toolbar{justify-content:space-between;margin-bottom:12px}
.actions{justify-content:flex-start}

button{
  border:0;border-radius:14px;padding:11px 14px;font-weight:750;cursor:pointer
}
.btn{
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#081126;
}
.btn2{
  background:rgba(255,255,255,.08);
  color:var(--text);
  border:1px solid rgba(255,255,255,.12);
}
.btn2:hover{background:rgba(255,255,255,.12)}
button:disabled{opacity:.45;cursor:not-allowed}

.chip{
  padding:8px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  color:var(--text);
  font-weight:700;
}
.chip:hover{background:rgba(255,255,255,.10)}

.timer{
  display:grid;place-items:center;
  padding:22px;border-radius:16px;
  background:rgba(12,20,44,.7);
  border:1px dashed rgba(255,255,255,.15);
  min-height:170px;
  margin-bottom:12px;
}

.time{
  font-size:54px;
  font-weight:950;
  letter-spacing:.5px;
  text-align:center;
}
.hint{margin-top:8px;font-size:13px;color:var(--muted)}

.controls{padding-top:6px}

.field{
  display:flex;
  flex-direction:column;
  gap:6px;
}
label{font-size:13px;color:var(--muted)}
input{
  width:120px;
  background:var(--panel2);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text);
  padding:10px 12px;
  border-radius:12px;
  outline:none;
}
input:focus{border-color:rgba(78,161,255,.6)}

.small{font-size:12px;color:var(--muted);line-height:1.35}

.ad{
  display:grid;place-items:center;
  border-radius:14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  color:var(--muted);font-size:13px;
}
.ad.top{height:90px;margin-bottom:14px}
.ad.inline{height:250px;margin-bottom:12px}
.ad.footer{height:100px;margin-top:16px}

.muted-list{
  margin:0;
  padding-left:18px;
  color:var(--muted);
  line-height:1.55;
}

footer{
  margin-top:16px;color:var(--muted);font-size:13px;
  display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap
}

.toast{
  position:fixed;left:50%;bottom:18px;transform:translateX(-50%);
  background:var(--panel2);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text);
  padding:10px 14px;border-radius:12px;
  opacity:0;pointer-events:none;transition:.2s
}
.toast.show{opacity:1}

.trustline{
  margin:10px 0 0;
  font-size:12px;
  color:var(--muted);
  text-align:center;
  opacity:.9;
}