body {
  margin: 0;
  font-family: system-ui, Arial;
  background: #0b0f14;
  color: #eaeaea;
  overflow: hidden;
}

/* CANVAS BACKGROUND */
canvas {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 0;
}

/* LAYOUT */
.container {
  display: flex;
  height: 100vh;
  position: relative;
  z-index: 2;
}

/* SIDEBAR */
.sidebar {
  width: 220px;
  background: #0f141b;
  border-right: 1px solid #1f2a36;
  padding: 18px;
}

.title {
  font-size: 14px;
  opacity: 0.6;
  margin-bottom: 20px;
}

.tab {
  padding: 10px;
  margin-bottom: 8px;
  cursor: pointer;
  border-radius: 6px;
  transition: 0.2s;
  font-size: 14px;
  color: #aaa;
}

.tab:hover {
  background: #141c26;
  color: white;
}

.tab.active {
  background: #182232;
  color: white;
}

/* CONTENT */
.content {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* PANEL */
.panel {
  width: 340px;
  background: #0f141b;
  border: 1px solid #1f2a36;
  border-radius: 10px;
  padding: 22px;
  animation: fade 0.25s ease;
}

@keyframes fade {
  from {opacity:0; transform: translateY(5px);}
  to {opacity:1; transform: translateY(0);}
}

h2 {
  font-size: 16px;
  margin-bottom: 12px;
  color: #ffffff;
}

input {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  background: #0b0f14;
  border: 1px solid #243041;
  border-radius: 6px;
  color: white;
  outline: none;
}

button {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  background: #1f2a36;
  border: 1px solid #2b3a4d;
  border-radius: 6px;
  color: white;
  cursor: pointer;
  transition: 0.2s;
}

button:hover {
  background: #243241;
}

.status {
  margin-top: 10px;
  font-size: 13px;
  opacity: 0.8;
}

.center-box {
  margin: auto;
  text-align: center;
  z-index: 2;
}

.center-box h1 {
  font-size: 32px;
  margin-bottom: 10px;
}

.center-box p {
  opacity: 0.7;
  margin-bottom: 20px;
}

.btn {
  display: inline-block;
  padding: 10px 88px;
  background: #1f2a36;
  border: 1px solid #2b3a4d;
  border-radius: 6px;
  color: white;
  text-decoration: none;
  transition: 0.2s;
}

.btn:hover {
  background: #243241;
}