/* Global glass styles for buttons */

:root {
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-bg-hover: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.22);
  --glass-border-hover: rgba(255, 255, 255, 0.3);
  --glass-blur: 12px;
  --glass-shadow: 0 8px 24px rgba(0, 217, 255, 0.15);
}

/* Base: add blur and subtle border without changing existing backgrounds */
.btn,
.action-btn,
.copy-btn,
.btn-secondary,
.mobile-menu-btn,
.mobile-dropdown-item,
.join-button,
.footer-cta,
.cta-button {
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
}

/* Hover states */
.btn:hover,
.btn:focus-visible,
.action-btn:hover,
.copy-btn:hover,
.btn-secondary:hover,
.mobile-menu-btn:hover,
.mobile-dropdown-item:hover,
.join-button:hover,
.footer-cta:hover,
.cta-button:hover {
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-shadow);
}

/* Preserve primary/gradient variants but add glass border/blur */
.btn,
.action-btn,
.join-button,
.footer-cta,
.cta-button {
  position: relative;
  overflow: hidden;
}

/* Shine sweep effect */
.btn::after,
.action-btn::after,
.join-button::after,
.footer-cta::after,
.cta-button::after {
  content: "";
  position: absolute;
  top: 0;
  left: -150%;
  width: 120%;
  height: 100%;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.18) 50%, transparent 70%);
  transform: skewX(-20deg);
  transition: transform 0.6s ease, left 0.6s ease;
}

.btn:hover::after,
.action-btn:hover::after,
.join-button:hover::after,
.footer-cta:hover::after,
.cta-button:hover::after {
  left: 150%;
}

/* Secondary/neutrals get a subtle glass background */
.btn-secondary,
.mobile-menu-btn,
.mobile-dropdown-item,
.copy-btn {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

/* Disabled state clarity */
button:disabled,
.btn:disabled {
  opacity: 0.6;
  box-shadow: none;
}

/* Respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .btn::after,
  .action-btn::after,
  .join-button::after,
  .footer-cta::after,
  .cta-button::after { display: none; }
}

/* Faint glass overlay for primary/gradient buttons */
.btn:not(.btn-secondary):not(.btn-link)::before,
.join-button::before,
.footer-cta::before,
.cta-button::before,
.action-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(120% 120% at 50% 0%, rgba(255,255,255,0.12) 0%, rgba(255,255,255,0.06) 45%, rgba(255,255,255,0) 80%);
  opacity: 0.6;
  transition: opacity 0.25s ease;
}

.btn:not(.btn-secondary):not(.btn-link):hover::before,
.join-button:hover::before,
.footer-cta:hover::before,
.cta-button:hover::before,
.action-btn:hover::before {
  opacity: 0.8;
}

/* Language selector + dropdown (shared) */
.lang-selector {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(15, 25, 35, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 30px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 14px;
  font-weight: 500;
  color: #fff;
}

.lang-selector:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.lang-dropdown {
  position: absolute;
  margin-top: 8px;
  right: 40px;
  background: rgba(15, 25, 35, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 8px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 2000;
}

.lang-item {
  display: block;
  width: 100%;
  background: none;
  border: none;
  color: #fff;
  text-align: left;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
}

.lang-item:hover {
  background: rgba(255,255,255,0.1);
}