/* NetPulse by SWC styles */
:root{
  --bg1: #0a0f1a;
  --bg2: #101b3a;
  --glow1: #6ce7ff;
  --glow2: #9a7bff;
  --glow3: #ff5bd6;
  --card: rgba(255,255,255,0.08);
  --text: #e6f1ff;
  --muted: #94a3b8;
  --ok: #00e18f;
  --warn: #ffd166;
  --bad: #ff5b6e;
}

*{box-sizing:border-box}

html,body{
  height:100%;
  background: radial-gradient(1200px 600px at 15% 10%, rgba(108,231,255,0.20), transparent 60%),
              radial-gradient(800px 800px at 85% 20%, rgba(154,123,255,0.18), transparent 60%),
              radial-gradient(1000px 700px at 50% 100%, rgba(255,91,214,0.12), transparent 60%),
              linear-gradient(160deg, var(--bg1), var(--bg2));
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, Noto Sans, Helvetica, Apple Color Emoji, Segoe UI Emoji;
  margin:0;
  overflow-x:hidden;
}

.grid-overlay{
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px;
  mask-image: radial-gradient(ellipse at 50% 40%, rgba(255,255,255,0.5), transparent 70%);
  pointer-events: none;
}

.app-header{
  text-align:center;
  padding: 3rem 1rem 1rem;
}

h1{
  font-size: clamp(1.8rem, 3vw, 3rem);
  letter-spacing: 0.5px;
  text-shadow: 0 0 20px rgba(108,231,255,0.4), 0 0 35px rgba(154,123,255,0.3);
  margin:0;
}

h1 span{
  color: var(--glow1);
}

.tagline{ 
  margin-top: 0.25rem;
  color: var(--muted);
}

.container{
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.card{
  background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.04));
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 18px;
  padding: 1rem 1.2rem;
  position: relative;
  box-shadow: 0 0 20px rgba(108,231,255,0.25), 0 0 50px rgba(154,123,255,0.15);
  backdrop-filter: blur(8px);
}

.card h2{
  margin: 0 0 0.6rem 0;
  font-size: 1.25rem;
  letter-spacing: 0.3px;
}

.readout > div{
  display:grid;
  grid-template-columns: 130px 1fr;
  gap: 0.5rem 1rem;
  align-items:center;
  padding: 0.3rem 0;
}

.label{
  color: var(--muted);
  font-size: 0.9rem;
}

.actions{
  margin-top:0.8rem;
  display:flex;
  gap:0.6rem;
}

.btn{
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  padding: 0.6rem 0.9rem;
  border-radius: 12px;
  cursor:pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  box-shadow: 0 0 10px rgba(108,231,255,0.25), inset 0 0 10px rgba(255,255,255,0.05);
}

.btn:hover{ transform: translateY(-1px) }
.btn:active{ transform: translateY(0) scale(0.98) }

.btn.primary{
  background: linear-gradient(135deg, rgba(108,231,255,0.35), rgba(154,123,255,0.35));
  box-shadow: 0 0 18px rgba(108,231,255,0.4), 0 0 24px rgba(154,123,255,0.28);
}

.btn.subtle{ opacity: 0.85 }

.score-wrap{
  display:flex;
  align-items:center;
  gap:1rem;
}

.score{
  width: 76px;
  height: 76px;
  border-radius: 50%;
  display:grid;
  place-items:center;
  font-weight:700;
  font-size: 1.3rem;
  background: radial-gradient(120px 120px at 30% 30%, rgba(108,231,255,0.4), transparent 60%);
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 0 25px rgba(154,123,255,0.35), inset 0 0 10px rgba(255,255,255,0.08);
}

.score-label{ color: var(--muted) }

.hints{ margin:0.5rem 0 0; padding-left: 1rem }
.hints li{ margin: 0.25rem 0 }

.progress{
  width:100%;
  height:12px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.06);
  overflow:hidden;
  margin: 0.6rem 0 0.3rem;
}
#progressBar{
  width:0%;
  height:100%;
  background: linear-gradient(90deg, var(--glow1), var(--glow2), var(--glow3));
  filter: saturate(140%);
  transition: width .2s ease;
}

.small{
  font-size: 0.85rem;
  color: var(--muted);
}

.app-footer{
  text-align:center;
  padding: 2rem 1rem 3rem;
  color: var(--muted);
}