/* buttons.css — casino dark theme buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  height: 48px;
  padding: 0 var(--space-24);
  border: 1px solid transparent;
  border-radius: var(--pill);
  font-family: var(--font-base);
  font-size: var(--fs-btn);
  font-weight: var(--fw-bold);
  letter-spacing: 0.01em;
  line-height: 1;
  white-space: normal;
  text-align: center;
  cursor: pointer;
  transition: background-color .2s ease, border-color .2s ease,
              color .2s ease, box-shadow .2s ease, transform .1s ease;
  -webkit-tap-highlight-color: transparent;
  position: relative;
  overflow: hidden;
}

.btn:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.btn:active { transform: translateY(1px); }

/* Shimmer sweep on hover */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,.15) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform .4s ease;
}
.btn:hover::after { transform: translateX(100%); }

/* Primary — gold */
.btn-primary {
  background: var(--brand);
  color: #080c18;
  box-shadow: var(--shadow-brand);
}
.btn-primary:hover {
  background: var(--brand-ink);
  box-shadow: var(--shadow-brand-hover);
  color: #080c18;
}

/* Neon — green */
.btn-neon {
  background: var(--neon);
  color: #080c18;
  box-shadow: var(--shadow-neon);
}
.btn-neon:hover {
  box-shadow: var(--shadow-neon-hover);
  color: #080c18;
}

/* Ghost */
.btn-ghost {
  background: transparent;
  color: var(--ink-2);
  border-color: var(--line);
}
.btn-ghost:hover {
  background: var(--bg-glass);
  border-color: rgba(255,255,255,.2);
  color: var(--ink);
}

/* Outline gold */
.btn-outline-gold {
  background: transparent;
  color: var(--brand);
  border-color: var(--line-gold);
}
.btn-outline-gold:hover {
  background: var(--brand-tint);
  border-color: var(--brand);
  color: var(--brand);
}

/* Link */
.btn-link {
  background: transparent;
  color: var(--ink-2);
  padding: 0 var(--space-4);
  height: auto;
  border-radius: var(--radius-sm);
}
.btn-link:hover { color: var(--brand); }

/* Sizes */
.btn-sm { height: 40px; padding: 0 var(--space-16); font-size: var(--fs-btn-sm); }
.btn-lg { height: 56px; padding: 0 var(--space-32); font-size: var(--fs-btn-lg); }
.btn-full { width: 100%; }

@media (max-width: 720px) {
  .btn-cta-stack { width: 100%; }
  .btn {
    min-height: 44px;
    height: auto;
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }
  .btn-lg { min-height: 52px; }
}