@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root{
  --silk: #F7F3EE;       
  --marble: #E6E4DF;     
  --pearl: #EFEDE8;
  --champagne: #D6BC8C;
  --velvet: #1F2A44;     
  --onyx: #000000;
}

*{
  margin:0;padding:0;box-sizing:border-box;
  font-family: 'Poppins', sans-serif;
}

body{
  min-height:100vh;
    background: radial-gradient(
    circle at top,
    var(--velvet),
    var(--onyx)
  );
  color: var(--silk);
}

header{
  background: rgba(31,42,68,0.6);
  padding: 30px;
  border-bottom: 1px solid rgba(214,188,140,0.25);
}

.logo{font-size:1.5rem;color: var(--silk);font-weight:700}
.tagline{font-size:.85rem;color: var(--champagne);}

.controls{
  display:flex;gap:.6rem;flex-wrap:wrap;
  padding:1rem 2rem
}

.controls button{
  background: transparent;
  color: var(--silk);
  border: 1px solid rgba(214,188,140,0.4);
  padding:.45rem 1rem;
  border-radius:1rem;
  cursor:pointer;
}
.controls button.active{
background: var(--champagne);
  color: var(--onyx);
}

.search-box{
  padding:0 2rem 1rem;
  color: var(--onyx);
}
.search-box input{
  width:100%;
  padding:.7rem .9rem;
  border-radius:1rem;
  border:none;
  outline:none;
  color: rgba(0,0,0,0.5);
  background:var(--marble);
}

.main{padding:1.5rem 2rem}

.cards{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:1.2rem
}

.card{
    background: linear-gradient(
    180deg,
    rgba(31,42,68,0.9),
    rgba(0,0,0,0.9)
  );
  border: 1px solid rgba(214,188,140,0.3);
  border-radius:1.2rem;
  padding:1.1rem;
  backdrop-filter:blur(18px);
}

.card h3{font-size:1.05rem;color: var(--silk);}
.symbol{font-size:.75rem;color:var(--champagne)}
.price{font-size:1.3rem;color: var(--silk);font-weight:600;margin:.4rem 0}
.up{color: #3CB371;}
.down{ color: #E57373;}
.muted{color: var(--marble);font-size:.8rem}

.footer{
  text-align:center;
  padding:1rem;
  font-size:.75rem;
  color:var(--champagne);
  border-top:1px solid rgba(214,188,140,.25)
}

.status{text-align:center;color:var(--champagne);padding:2rem}

.alert-box{
  margin-top:.6rem;
  padding:.6rem;
  border-radius:.8rem;
  background: rgba(214,188,140,0.15);
  border: 1px solid var(--champagne);
  color: var(--silk);
  font-size:.8rem;
}

/* Alert Form */
.alert-form{
  display:flex;
  flex-direction:column;
  gap:.7rem;
}
.alert-form input{
  padding:.6rem .8rem;
  border-radius:.8rem;
  border:none;
  background: var(--pearl);
  color: var(--onyx);
}
.alert-form button{
   background: var(--champagne);
  color: var(--onyx);
  border:none;
  padding:.6rem;
  border-radius:1rem;
  cursor:pointer;
  font-weight:600;
}
.alert-msg{font-size:.75rem}