/* Shared base */
.btn-gold-gradient,
.btn-gold,
.btn-gold-outline,
.btn-red,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5625rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.btn-gold-gradient svg,
.btn-gold svg,
.btn-gold-outline svg,
.btn-red svg,
.btn-ghost svg { width: 1rem; height: 1rem; }

/* Ghost */
.btn-ghost {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 0.0938rem solid rgba(128, 128, 128, 0.45);
  white-space: nowrap;
}
[data-theme="light"] .btn-ghost {
  border-color: rgba(0, 0, 0, 0.28);
}
.btn-ghost:hover  { background: var(--bg-card-alt); color: var(--text-primary); transform: translateY(-0.0625rem); }
.btn-ghost:active { transform: scale(0.96); }

/* Gold gradient */
.btn-gold-gradient {
  background: var(--gold-gradient);
  color: var(--text-on-gold);
  border: none;
  font-weight: 700;
  letter-spacing: 0.0188rem;
  white-space: nowrap;
  box-shadow: 0 0.1875rem 0.75rem rgba(var(--gold-rgb), 0.30);
}
.btn-gold-gradient:hover  { box-shadow: 0 0.3125rem 1.25rem rgba(var(--gold-rgb), 0.42); transform: translateY(-0.0625rem); }
.btn-gold-gradient:active { transform: scale(0.96); box-shadow: none; }

/* Gold solid */
.btn-gold {
  background: var(--gold);
  color: var(--text-on-gold);
  border: none;
  font-weight: 700;
  letter-spacing: 0.0188rem;
  white-space: nowrap;
}
.btn-gold:hover  { background: #ffd44a; transform: translateY(-0.0625rem); }
.btn-gold:active { background: #e8a317; transform: scale(0.96); }

/* Gold outline */
.btn-gold-outline {
  background: #2D2410;
  color: var(--gold);   /* always a dark button, so bright gold in both themes */
  border: 0.0938rem solid var(--gold);
  font-weight: 700;
  letter-spacing: 0.0188rem;
  white-space: nowrap;
}
.btn-gold-outline:hover  { background: #3a2e15; transform: translateY(-0.0625rem); }
.btn-gold-outline:active { background: #443618; transform: scale(0.96); }

/* Red solid (danger / report-a-problem) */
.btn-red {
  background: var(--red);
  color: #fff;
  border: none;
  font-weight: 700;
  letter-spacing: 0.0188rem;
  white-space: nowrap;
}
.btn-red:hover  { background: #d23f3f; transform: translateY(-0.0625rem); }
.btn-red:active { background: #b93636; transform: scale(0.96); }

/* Modifiers */
.btn-block { width: 100%; }

.btn-lg {
  padding: 1rem 1.5rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.0625rem;
  text-transform: uppercase;
}

/* Loading spinner */
@-webkit-keyframes btn-spin {
  from { -webkit-transform: rotate(0deg); transform: rotate(0deg); }
  to   { -webkit-transform: rotate(360deg); transform: rotate(360deg); }
}
@keyframes btn-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

button.is-loading {
  pointer-events: none;
  cursor: default;
}

.btn-spinner {
  display: inline-block;
  width: 0.875rem;
  height: 0.875rem;
  border: 0.125rem solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  -webkit-animation: btn-spin 0.7s linear infinite;
  animation: btn-spin 0.7s linear infinite;
}

/* Nav tag badges — usage: <a class="d-nav-link" data-tag="live|hot|new|promo"> */
.d-nav-link[data-tag] {
  position: relative;
}

.d-nav-link[data-tag]::after {
  position: absolute;
  top: -0.3125rem;
  right: -0.75rem;
  z-index: 2;
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 0.875rem;
  padding: 0.125rem 0.375rem;
  border-radius: 624.9375rem;
  font-size: 0.5312rem;
  font-weight: 800;
  letter-spacing: 0.0469rem;
  line-height: 1;
  text-transform: uppercase;
  color: #fff;
  white-space: nowrap;
  transform: translateZ(0);
  transition: filter 0.18s ease, box-shadow 0.18s ease;
}

.d-nav-link[data-tag="live"]::after {
  content: 'LIVE';
  background: linear-gradient(135deg, #ff4d4d 0%, #e53e3e 55%, #b91c1c 100%);
  box-shadow: 0 0 0 0.0625rem rgba(var(--red-rgb), 0.32), 0 0.25rem 0.875rem rgba(var(--red-rgb), 0.24);
  animation: nav-tag-live-pulse 1.7s ease-in-out infinite;
}

.d-nav-link[data-tag="hot"]::after {
  content: 'HOT';
  background: linear-gradient(135deg, #ff8a3d 0%, #f97316 55%, #ea580c 100%);
  box-shadow: 0 0 0 0.0625rem rgba(249, 115, 22, 0.30), 0 0.25rem 0.75rem rgba(249, 115, 22, 0.22);
}

.d-nav-link[data-tag="new"]::after {
  content: 'NEW';
  background: linear-gradient(135deg, #38a169 0%, #2f855a 55%, #276749 100%);
  box-shadow: 0 0 0 0.0625rem rgba(var(--green-rgb), 0.28), 0 0.25rem 0.75rem rgba(var(--green-rgb), 0.20);
}

.d-nav-link[data-tag="promo"]::after {
  content: 'PROMO';
  background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 55%, #6d28d9 100%);
  box-shadow: 0 0 0 0.0625rem rgba(124, 58, 237, 0.30), 0 0.25rem 0.75rem rgba(124, 58, 237, 0.22);
}

.d-nav-link[data-tag]:hover::after {
  filter: brightness(1.08);
}

@keyframes nav-tag-live-pulse {
  0%, 100% { transform: translateZ(0) scale(1); opacity: 1; }
  50%      { transform: translateZ(0) scale(1.08); opacity: 0.78; }
}

@media (max-width: 40rem) {
  .d-nav-link[data-tag]::after {
    top: -0.375rem;
    right: -0.625rem;
    min-height: 0.8125rem;
    padding: 0.0625rem 0.3125rem;
    font-size: 0.5rem;
  }
}