* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: #f4f7fb;
  background:
    radial-gradient(circle at top left, rgba(255, 64, 64, 0.24), transparent 35%),
    linear-gradient(135deg, #101624, #05070d 70%);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 28px 7vw;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.28);
}

h1, h2, p { margin-top: 0; }

.topbar h1 { margin-bottom: 6px; }
.topbar p { color: #b9c4d8; margin-bottom: 0; }

nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

nav a, .buttonLink, button {
  color: white;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 11px 16px;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 700;
  cursor: pointer;
}

nav a.active, button, .buttonLink {
  background: linear-gradient(135deg, #e23333, #ff8a3d);
  border: none;
}

.shell {
  width: min(1100px, 92vw);
  margin: 35px auto;
}

.card, .result {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 22px;
  padding: 26px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(10px);
}

.grid {
  display: grid;
  gap: 16px;
  margin-bottom: 22px;
}

.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

label {
  display: grid;
  gap: 8px;
  color: #dce5f4;
  font-weight: 700;
}

input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  padding: 13px 14px;
  color: white;
  background: rgba(0, 0, 0, 0.28);
  outline: none;
}

input:focus { border-color: #ff8a3d; }
button { font-size: 1rem; padding: 13px 24px; }

.result {
  margin-top: 22px;
  text-align: center;
}

.hidden { display: none; }
.price, .logCost {
  font-size: 2.2rem;
  font-weight: 900;
  color: #ffbf75;
}

.error { border-color: #ff5a5a; }

.logs {
  display: grid;
  gap: 18px;
}

.logEntry {
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  padding: 18px;
}

.logHeader {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.logHeader h2 { margin-bottom: 6px; }
.logHeader p, .logEntry p { color: #c6d0e4; }

.damageRows {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  color: #dce5f4;
}

.damageRows span {
  background: rgba(255, 255, 255, 0.07);
  border-radius: 12px;
  padding: 10px;
}

@media (max-width: 800px) {
  .topbar { flex-direction: column; align-items: flex-start; }
  .two, .three, .damageRows { grid-template-columns: 1fr; }
  .logHeader { flex-direction: column; }
}