:root {
  font-family: Inter, system-ui, sans-serif;
  color: #e9eef4;
  background: #0f172a;
}

body {
  margin: 0;
  min-height: 100vh;
}

#app {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

nav { display: flex; gap: 0.5rem; flex-wrap: wrap; }
button {
  border: 0;
  background: #2563eb;
  color: #fff;
  padding: 0.55rem 0.8rem;
  border-radius: 8px;
  cursor: pointer;
}

input {
  width: 100%;
  padding: 0.55rem;
  border-radius: 8px;
  border: 1px solid #475569;
  background: #0b1220;
  color: #fff;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.product, .card, main {
  background: #111827;
  border: 1px solid #334155;
  border-radius: 12px;
  padding: 1rem;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgb(0 0 0 / 66%);
  display: grid;
  place-items: center;
  padding: 1rem;
}

.card {
  max-width: 460px;
  width: 100%;
}

form {
  display: grid;
  gap: 0.5rem;
  margin: 0.8rem 0;
}

.close {
  float: right;
  background: #475569;
}

.notice {
  background: #0b5;
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
}