body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: linear-gradient(135deg, #3b1d5a, #0f172a, #064e3b);
  color: white;
}

a {
  color: #a78bfa;
  text-decoration: none;
}

.center-wrapper {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.center-card {
  width: 100%;
  max-width: 420px;
}

.container {
  padding: 40px;
}

.card {
  background: rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 24px;
  backdrop-filter: blur(12px);
}

.section {
  margin-top: 20px;
}

input {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: none;
}

.btn.primary {
  background: linear-gradient(90deg, #7c3aed, #22c55e);
  border: none;
  color: white;
  padding: 12px;
  border-radius: 10px;
  cursor: pointer;
}

.topbar {
  display: flex;
  justify-content: space-between;
  padding: 16px 32px;
}

.logo {
  font-weight: bold;
  font-size: 1.2em;
}

.profile {
  position: relative;
}

.profile button {
  background: rgba(255,255,255,0.1);
  border: none;
  color: white;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
}

.menu {
  position: absolute;
  right: 0;
  top: 45px;
  background: rgba(20,20,20,0.95);
  border-radius: 10px;
  min-width: 160px;
  overflow: hidden;
}

.menu a {
  display: block;
  padding: 12px;
  color: white;
}

.menu a:hover {
  background: rgba(255,255,255,0.1);
}

.hidden {
  display: none;
}

.error {
  color: #f87171;
  display: none;
  margin-top: 10px;
}