/* Game hub auth overlay — Kid Coin + Math Blast Play */
.ga-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(8, 10, 20, 0.88);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.ga-overlay.hidden {
  display: none;
}

.ga-overlay.ga-auth-required .ga-modal {
  box-shadow: 0 0 0 2px rgba(251, 191, 36, 0.45), 0 24px 60px rgba(0, 0, 0, 0.5);
}

.ga-overlay.ga-auth-required #ga-close-btn {
  display: none !important;
}

.ga-session-expired {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 14px;
  margin-bottom: 14px;
  border-radius: 14px;
  background: rgba(251, 191, 36, 0.12);
  border: 1px solid rgba(251, 191, 36, 0.45);
  color: #fde68a;
  font-size: 0.88rem;
  line-height: 1.45;
}

.ga-session-expired.hidden {
  display: none;
}

.ga-session-expired strong {
  font-size: 0.95rem;
  font-weight: 900;
  color: #fcd34d;
}

.ga-modal {
  width: 100%;
  max-width: 420px;
  max-height: 90dvh;
  overflow-y: auto;
  background: linear-gradient(160deg, #1a2340 0%, #12182b 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 24px;
  color: #f4f3ff;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.ga-modal h2 {
  font-size: 1.35rem;
  font-weight: 900;
  margin-bottom: 4px;
}

.ga-modal .ga-sub {
  font-size: 0.85rem;
  color: #8b92b0;
  margin-bottom: 16px;
  line-height: 1.5;
}

.ga-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.ga-badge {
  font-size: 0.68rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 50px;
  background: rgba(168, 85, 247, 0.2);
  color: #e9d5ff;
  border: 1px solid rgba(168, 85, 247, 0.35);
}

.ga-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
  background: rgba(0, 0, 0, 0.25);
  padding: 4px;
  border-radius: 14px;
}

.ga-tab {
  flex: 1;
  padding: 10px 8px;
  border: none;
  border-radius: 10px;
  font-family: inherit;
  font-weight: 800;
  font-size: 0.78rem;
  cursor: pointer;
  background: transparent;
  color: #8b92b0;
}

.ga-tab.active {
  background: rgba(56, 189, 248, 0.25);
  color: #bae6fd;
}

.ga-panel {
  display: none;
}

.ga-panel.active {
  display: block;
}

.ga-field {
  margin-bottom: 12px;
}

.ga-field label {
  display: block;
  font-size: 0.72rem;
  font-weight: 800;
  color: #8b92b0;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ga-field input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.25);
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
}

.ga-field input:focus {
  outline: none;
  border-color: #38bdf8;
}

.ga-btn {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 14px;
  font-family: inherit;
  font-weight: 800;
  font-size: 0.95rem;
  cursor: pointer;
  margin-top: 8px;
}

.ga-btn-primary {
  background: linear-gradient(135deg, #7c3aed, #06b6d4);
  color: #fff;
}

.ga-btn-green {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
}

.ga-btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #8b92b0;
  margin-top: 12px;
}

.ga-user-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 12px 0;
}

.ga-user-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px 8px;
  border-radius: 16px;
  border: 2px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: border-color 0.2s, transform 0.15s;
}

.ga-user-card:hover {
  border-color: #38bdf8;
  transform: scale(1.03);
}

.ga-user-card img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.15);
}

.ga-user-card span {
  font-size: 0.82rem;
  font-weight: 800;
  text-align: center;
}

.ga-user-card .ga-role {
  font-size: 0.65rem;
  color: #8b92b0;
  font-weight: 700;
}

.ga-error {
  color: #f87171;
  font-size: 0.82rem;
  margin-top: 8px;
  min-height: 1.2em;
}

.ga-loading {
  text-align: center;
  padding: 32px;
  color: #8b92b0;
}

.ga-pin-row {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 16px 0;
}

.ga-pin-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #8b92b0;
}

.ga-pin-dot.filled {
  background: #38bdf8;
  border-color: #38bdf8;
}

.ga-numpad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.ga-numpad button {
  padding: 14px;
  border: none;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 1.2rem;
  font-weight: 800;
  cursor: pointer;
  font-family: inherit;
}

.ga-nav-auth-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 50px;
  border: 1px solid rgba(124, 58, 237, 0.5);
  background: rgba(124, 58, 237, 0.2);
  color: #e9d5ff;
  font-weight: 800;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
}

.hidden {
  display: none !important;
}

.ga-nav-auth-btn.logged-in {
  border-color: rgba(52, 211, 153, 0.4);
  background: rgba(52, 211, 153, 0.15);
  color: #a7f3d0;
}