/* ===============================
   QTC – Quantum Bit Coin
   Professional UI Style
   =============================== */

/* Google Font: Barlow Regular 400 */
@import url("https://fonts.googleapis.com/css2?family=Barlow:wght@400&display=swap");

:root {
  --bg-main: #0b0f14;
  --bg-panel: #111722;
  --accent: #00ff9c;
  --accent-soft: rgba(0, 255, 156, 0.15);
  --text-main: #e8f1f2;
  --text-dim: #9aa4b2;
  --border: rgba(0, 255, 156, 0.25);
}

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

body {
  background: radial-gradient(circle at top, #0f1623, var(--bg-main));
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== Main Container ===== */
.container {
  width: 420px;
  background: linear-gradient(
    180deg,
    var(--bg-panel),
    #0c111b
  );
  border-radius: 14px;
  padding: 28px;
  box-shadow:
    0 0 40px rgba(0, 0, 0, 0.7),
    inset 0 0 20px rgba(0, 255, 156, 0.05);
  border: 1px solid var(--border);
  animation: fadeIn 1.2s ease;
}

/* ===== Header ===== */
h1 {
  text-align: center;
  letter-spacing: 1.5px;
  margin-bottom: 18px;
  color: var(--accent);
  text-shadow: 0 0 12px var(--accent-soft);
}

/* ===== Button ===== */
button {
  width: 100%;
  padding: 14px;
  margin-top: 12px;
  background: linear-gradient(
    135deg,
    #00ff9c,
    #00c97b
  );
  border: none;
  border-radius: 10px;
  color: #001a12;
  font-size: 15px;
  cursor: pointer;
  font-weight: 400;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 6px 18px rgba(0, 255, 156, 0.35);
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 26px rgba(0, 255, 156, 0.55);
}

/* ===== Wallet Output ===== */
pre {
  margin-top: 18px;
  background: #0a0f18;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 13px;
  color: var(--text-dim);
  overflow-x: auto;
  animation: glow 3s infinite ease-in-out;
}

/* ===== QR Code Box ===== */
.qr-box {
  margin-top: 16px;
  padding: 14px;
  background: #0a0f18;
  border-radius: 12px;
  display: flex;
  justify-content: center;
  border: 1px dashed var(--border);
  animation: pulse 2.5s infinite;
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes glow {
  0% {
    box-shadow: 0 0 6px rgba(0, 255, 156, 0.05);
  }
  50% {
    box-shadow: 0 0 14px rgba(0, 255, 156, 0.25);
  }
  100% {
    box-shadow: 0 0 6px rgba(0, 255, 156, 0.05);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 rgba(0, 255, 156, 0.0);
  }
  50% {
    box-shadow: 0 0 18px rgba(0, 255, 156, 0.35);
  }
  100% {
    box-shadow: 0 0 0 rgba(0, 255, 156, 0.0);
  }
}