.ttb-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;

  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;

  background: rgba(5, 6, 7, 0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);

  animation: ttbFadeIn 0.25s ease;
}

.ttb-overlay.show {
  display: flex;
}

@keyframes ttbFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.ttb-card {
  position: relative;
  width: 100%;
  max-width: 360px;

  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 24px 24px;
  text-align: center;

  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
  animation: ttbPopIn 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes ttbPopIn {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.ttb-logo {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  margin: 0 auto 16px;
  display: block;
}

.ttb-card h2 {
  font-family: 'Barlow', Inter, system-ui, sans-serif;
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  margin: 0 0 8px;
  line-height: 1.3;
}

.ttb-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0 0 20px;
}

.ttb-steps {
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: left;
  margin-bottom: 20px;
}

.ttb-step {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.ttb-step-num {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--theme);
  color: var(--bg);
  font-size: 12px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ttb-step-text {
  font-size: 13px;
  color: var(--text);
  font-weight: 500;
}

.ttb-step-text strong {
  color: var(--theme);
}

.ttb-arrow {
  position: fixed;
  top: 14px;
  right: 18px;
  z-index: 100000;

  display: none;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--theme);

  animation: ttbBounce 1.1s ease-in-out infinite;
}

.ttb-arrow.show {
  display: flex;
}

.ttb-arrow svg {
  width: 28px;
  height: 28px;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.6));
}

.ttb-arrow span {
  font-size: 11px;
  font-weight: 700;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 9px;
  white-space: nowrap;
}

@keyframes ttbBounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(6px); }
}

.ttb-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ttb-copy-btn {
  width: 100%;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;

  background: var(--theme);
  color: var(--bg);
  border: 1px solid var(--theme);
  border-radius: 12px;

  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.ttb-copy-btn:hover { background: var(--themedark); border-color: var(--themedark); }
.ttb-copy-btn svg { width: 16px; height: 16px; flex-shrink: 0; }

@media (max-width: 380px) {
  .ttb-card { padding: 22px 18px 20px; }
}