* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background:
    radial-gradient(circle at 0 0, #38bdf8 0, transparent 45%),
    radial-gradient(circle at 100% 100%, #6366f1 0, transparent 55%),
    linear-gradient(135deg, #020617, #0b1120 40%, #111827 80%);
  color: #e5e7eb;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.shell {
  max-width: 480px;
  width: 100%;
}

.panel {
  background: rgba(15, 23, 42, 0.9);
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  box-shadow: 0 25px 70px rgba(15, 23, 42, 0.8);
  padding: 22px 20px;
  backdrop-filter: blur(18px);
}

.panel-header h1 {
  font-size: 24px;
}

.panel-header p {
  margin-top: 8px;
  font-size: 13px;
  color: #9ca3af;
}

.tabs {
  margin-top: 16px;
  display: flex;
  gap: 8px;
}

.tab-btn {
  flex: 1;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(15, 23, 42, 0.8);
  color: #e5e7eb;
  font-size: 13px;
  cursor: pointer;
}

.tab-btn.active {
  background: linear-gradient(135deg, #3b82f6, #22c55e);
  border-color: rgba(15, 23, 42, 0.7);
}

.view {
  margin-top: 18px;
}

.view h2 {
  font-size: 18px;
  margin-bottom: 10px;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field label {
  font-size: 12px;
  color: #9ca3af;
  margin-bottom: 4px;
}

.field input {
  width: 100%;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.9);
  color: #e5e7eb;
  font-size: 14px;
}

.btn {
  margin-top: 6px;
  padding: 9px 12px;
  border-radius: 999px;
  border: 0;
  font-size: 14px;
  cursor: pointer;
}

.btn.primary {
  width: 100%;
  background: linear-gradient(135deg, #3b82f6, #22c55e);
  color: #f9fafb;
}

.btn.secondary {
  background: rgba(15, 23, 42, 0.8);
  color: #e5e7eb;
  border: 1px solid rgba(148, 163, 184, 0.6);
}

.message {
  min-height: 18px;
  margin-top: 6px;
  font-size: 12px;
  color: #fbbf24;
}

.dash-text {
  margin-top: 10px;
  font-size: 13px;
  color: #cbd5e1;
}

.hidden {
  display: none;
}

@media (max-width: 480px) {
  body {
    padding: 16px;
  }

  .panel {
    padding: 18px 16px;
  }
}