:root{
  --bg: #0b1020;
  --card: rgba(255,255,255,0.06);
  --card2: rgba(255,255,255,0.09);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.65);
  --accent: #6ee7ff;
  --accent2: #a78bfa;
  --danger: #ff5a7a;
  --shadow: 0 18px 60px rgba(0,0,0,0.45);
}

*{ 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;
  color:var(--text);
  background:
    radial-gradient(1000px 700px at 20% 20%, rgba(167,139,250,0.28), transparent 60%),
    radial-gradient(900px 600px at 80% 40%, rgba(110,231,255,0.22), transparent 60%),
    linear-gradient(180deg, #050713, var(--bg));
  display:grid;
  place-items:center;
  padding:24px;
}

.card{
  width:min(560px, 100%);
  background: linear-gradient(180deg, var(--card), rgba(255,255,255,0.03));
  border:1px solid rgba(255,255,255,0.10);
  border-radius:20px;
  box-shadow: var(--shadow);
  padding:22px;
  backdrop-filter: blur(10px);
}

.header h1{ margin:0 0 4px; font-size:28px; letter-spacing:0.3px; }
.sub{ margin:0 0 18px; color:var(--muted); }

.inputs{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
  margin-bottom:14px;
}
.field label{ display:block; font-size:12px; color:var(--muted); margin-bottom:6px; }
.field input{
  width:100%;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.25);
  color:var(--text);
  font-size:16px;
}

.display{ margin:14px 0 10px; text-align:center; }
.time{
  font-variant-numeric: tabular-nums;
  font-size:64px;
  line-height:1.05;
  letter-spacing:1px;
}
.status{ margin-top:8px; color:var(--muted); }

.controls{
  display:grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap:10px;
  margin:14px 0;
}
button{
  padding:12px 12px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  color:var(--text);
  font-size:15px;
  cursor:pointer;
}
button:hover{ background: rgba(255,255,255,0.10); }
button:active{ transform: translateY(1px); }
button.primary{
  background: linear-gradient(90deg, rgba(110,231,255,0.22), rgba(167,139,250,0.22));
  border-color: rgba(110,231,255,0.30);
}
button[disabled]{ opacity:0.55; cursor:not-allowed; }

.quick{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.chip{
  padding:8px 10px;
  border-radius:999px;
  font-size:13px;
  background: rgba(255,255,255,0.05);
}

.footer{
  margin-top:14px;
  color:var(--muted);
  font-size:12px;
}

kbd{
  padding:2px 6px;
  border-radius:6px;
  background: rgba(0,0,0,0.28);
  border:1px solid rgba(255,255,255,0.12);
  color: var(--text);
}

.ending .time{ color: var(--danger); }