/* Linkin Park–inspired industrial dark theme (original artwork/text only) */

:root{
  --bg0:#050507;
  --bg1:#0b0b10;
  --panel: rgba(20,20,28,.72);
  --panel2: rgba(255,255,255,.06);
  --stroke: rgba(255,255,255,.12);
  --text: #e7e7f0;
  --muted: rgba(231,231,240,.7);
  --accent:#c7ff3c;
  --accent2:#69d2ff;
  --danger:#ff3c3c;
  --shadow: 0 18px 60px rgba(0,0,0,.55);
}


*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 70% 10%, rgba(105,210,255,.12), transparent 60%),
    radial-gradient(900px 540px at 20% 0%, rgba(199,255,60,.10), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow-x:hidden;
}

.wrap{ min-height:100%; display:flex; align-items:center; justify-content:center; padding:18px; }


.hero{
  width: 720px;
  max-width: 100%;
}

.grain{ display:none; }


.topbar{

  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:18px;
}

.brand{ display:flex; align-items:center; gap:12px; }
.logo{
  width:42px; height:42px; border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  font-weight:900;
  letter-spacing:.08em;
  background: linear-gradient(135deg, rgba(199,255,60,.25), rgba(105,210,255,.18));
  border:1px solid var(--stroke);
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
}
.name{ font-weight:800; letter-spacing:.12em; text-transform:uppercase; font-size:13px; color: var(--muted); }

datebox{
  padding:10px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  font-weight:700;
  letter-spacing:.06em;
  color: rgba(231,231,240,.85);
  font-size:12px;
}

.title{
  margin:0 0 18px;
  font-size: clamp(28px, 4vw, 44px);
  line-height:1.05;
  letter-spacing:.02em;
}

.accent{ color: var(--accent); text-shadow: 0 0 22px rgba(199,255,60,.25); }
.muted{ color: var(--muted); }

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 22px;
  padding: 20px 18px 18px;
  box-shadow: var(--shadow);
  position:relative;
  overflow:hidden;
}

.card::before{
  content:"";
  position:absolute; inset:-2px;
  background:
    linear-gradient(90deg, rgba(105,210,255,.0), rgba(105,210,255,.12), rgba(199,255,60,.10), rgba(105,210,255,.0));
  transform: translateX(-40%);
  opacity:.18;
  filter: blur(14px);
}


.card-title{
  position:relative;
  text-align:center;
  font-weight:800;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-size:12px;
  color: rgba(231,231,240,.75);
  margin-bottom:14px;
}

.countdown{
  position:relative;
  display:flex;
  justify-content:center;
  align-items:baseline;
  gap:16px;
  flex-wrap:wrap;
}

.unit{ text-align:center; }
.num{
  font-size: clamp(34px, 5.5vw, 60px);
  font-weight:900;
  letter-spacing:.05em;
  color: #f6f6ff;
  text-shadow: none;
}

.lab{
  margin-top:6px;
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color: rgba(231,231,240,.65);
  font-weight:800;
}

.sep{
  font-size: 44px;
  line-height:1;
  color: rgba(231,231,240,.35);
  font-weight:900;
}

.birthday{
  position:relative;
  margin-top:14px;
  padding:16px;
  border-radius:18px;
  border:1px solid rgba(199,255,60,.28);
  background: rgba(199,255,60,.08);
  text-align:center;
}

.badge{
  font-size: 28px;
  filter: drop-shadow(0 10px 18px rgba(0,0,0,.35));
}
.happy{
  margin-top:8px;
  font-weight:950;
  font-size: clamp(22px, 3.2vw, 32px);
  letter-spacing:.03em;
  color: #f1ffd6;
}
.sub{
  margin-top:6px;
  color: rgba(241,255,214,.75);
  font-weight:700;
  letter-spacing:.06em;
}

.footer{
  margin-top:14px;
  text-align:center;
  color: rgba(231,231,240,.55);
  font-weight:700;
  letter-spacing:.08em;
  font-size:12px;
}

.hint{ display:inline-block; padding:8px 12px; border-radius:999px; border:1px dashed rgba(255,255,255,.14); background: rgba(255,255,255,.03); }

