/* ===================================================
   POPUP.CSS — First Promotional Welcome Rewards Popup
   Dark luxury Binance design with gold outlined borders,
   glowing accents, and responsive modal structure.
   =================================================== */

/* ---------------------------------------------------
   CSS Custom Properties (Popup Scope)
   --------------------------------------------------- */
:root {
  --popup-gold: #F0B90B;
  --popup-gold-light: #FFD666;
  --popup-gold-bright: #FCD535;
  --popup-gold-dark: #C4941F;
  --popup-bg-dark: #0B0E11;
  --popup-bg-card: rgba(20, 24, 30, 0.85);
  --popup-border: rgba(243, 186, 47, 0.3);
  --popup-border-hover: rgba(243, 186, 47, 0.5);
  --popup-text-primary: #FFFFFF;
  --popup-text-secondary: rgba(234, 236, 239, 0.75);
  --popup-text-muted: rgba(234, 236, 239, 0.45);
  --popup-glow: rgba(243, 186, 47, 0.15);
  --popup-radius: 24px;
  --popup-radius-sm: 14px;
  --popup-radius-btn: 12px;
  --popup-transition: 300ms cubic-bezier(0.16, 1, 0.3, 1);
  --popup-max-width: 680px;
}

/* ---------------------------------------------------
   Overlay — Dark semi-transparent scrim with blur
   --------------------------------------------------- */
.popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(0.75rem, 3vw, 1.5rem);

  /* Hidden by default */
  opacity: 0;
  visibility: hidden;
  pointer-events: none;

  transition:
    opacity var(--popup-transition),
    visibility var(--popup-transition);
}

/* Active visible state */
.popup-overlay.popup-overlay--active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Scrim backdrop */
.popup-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(5, 7, 10, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* ---------------------------------------------------
   Modal Container — Rounded Large Modal
   --------------------------------------------------- */
.popup {
  position: relative;
  z-index: 1;
  width: 94vw;
  max-width: var(--popup-max-width);
  max-height: 90vh;
  overflow-y: auto;
  overflow-x: hidden;

  /* Premium dark theme with gold outlined border */
  background: linear-gradient(180deg, #10141A 0%, #0B0E11 100%);
  border: 1px solid var(--popup-border);
  border-radius: var(--popup-radius);

  /* Subtle gold glow & soft shadow */
  box-shadow:
    0 0 50px var(--popup-glow),
    0 25px 80px rgba(0, 0, 0, 0.75),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);

  /* Entrance animation */
  transform: scale(0.94);
  transition:
    transform var(--popup-transition),
    opacity var(--popup-transition);
}

.popup-overlay--active .popup {
  transform: scale(1);
}

/* Custom scrollbar for popup internal scrolling */
.popup::-webkit-scrollbar {
  width: 6px;
}
.popup::-webkit-scrollbar-track {
  background: rgba(11, 14, 17, 0.5);
  border-radius: 4px;
}
.popup::-webkit-scrollbar-thumb {
  background: rgba(243, 186, 47, 0.25);
  border-radius: 4px;
}
.popup::-webkit-scrollbar-thumb:hover {
  background: rgba(243, 186, 47, 0.4);
}

/* Inner content area */
.popup__inner {
  position: relative;
  padding: 2.25rem 2rem 1.75rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ---------------------------------------------------
   Ambient Gold Lighting Orb
   --------------------------------------------------- */
.popup__orb {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(243, 186, 47, 0.16) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  filter: blur(40px);
}

/* ---------------------------------------------------
   Close Button (X)
   --------------------------------------------------- */
.popup__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: var(--popup-text-secondary);
  cursor: pointer;
  transition:
    background var(--popup-transition),
    color var(--popup-transition),
    border-color var(--popup-transition),
    transform var(--popup-transition);
}

.popup__close:hover,
.popup__close:focus-visible {
  background: rgba(243, 186, 47, 0.15);
  border-color: var(--popup-border-hover);
  color: var(--popup-gold);
  transform: rotate(90deg);
}

.popup__close:focus-visible {
  outline: 2px solid var(--popup-gold);
  outline-offset: 2px;
}

.popup__close svg {
  width: 18px;
  height: 18px;
}

/* ---------------------------------------------------
   Top Badge: 🎁 NEW USER REWARDS
   --------------------------------------------------- */
.popup__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(243, 186, 47, 0.1);
  border: 1px solid rgba(243, 186, 47, 0.35);
  border-radius: 999px;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--popup-gold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.875rem;
  box-shadow: 0 0 16px rgba(243, 186, 47, 0.12);
}

/* ---------------------------------------------------
   Center Reward Icon
   --------------------------------------------------- */
.popup__icon-wrapper {
  position: relative;
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.popup__icon-halo {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(243, 186, 47, 0.28) 0%, transparent 70%);
  filter: blur(8px);
  animation: popup-halo 3s ease-in-out infinite;
}

@keyframes popup-halo {
  0%, 100% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.1);
    opacity: 1;
  }
}

.popup__icon-box {
  position: relative;
  z-index: 2;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(243, 186, 47, 0.12);
  border: 1px solid rgba(243, 186, 47, 0.3);
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.popup__gift-svg {
  width: 36px;
  height: 36px;
  filter: drop-shadow(0 2px 6px rgba(243, 186, 47, 0.35));
}

/* ---------------------------------------------------
   Main Reward Card
   --------------------------------------------------- */
.popup__reward-card {
  width: 100%;
  max-width: 520px;
  padding: 1.25rem 1.5rem;
  background: var(--popup-bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(243, 186, 47, 0.25);
  border-radius: var(--popup-radius-sm);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 8px 24px rgba(0, 0, 0, 0.4);
  margin-bottom: 1.15rem;
}

.popup__label {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 0.8125rem;
  font-weight: 700;
  color: rgba(243, 186, 47, 0.9);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.popup__amount {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.25rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--popup-text-primary);
  margin: 0;
}

.popup__amount-val {
  background: linear-gradient(
    135deg,
    #FFF3C4 0%,
    var(--popup-gold-bright) 45%,
    var(--popup-gold) 75%,
    var(--popup-gold-dark) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 25px rgba(243, 186, 47, 0.3);
  font-weight: 900;
}

.popup__subtitle {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--popup-text-secondary);
  margin-top: 0.35rem;
}

/* ---------------------------------------------------
   Main Text & Supporting Copy
   --------------------------------------------------- */
.popup__main-text {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--popup-text-primary);
  line-height: 1.35;
  margin: 0 0 0.5rem;
  max-width: 540px;
}

.popup__message {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--popup-text-secondary);
  line-height: 1.55;
  margin: 0 0 1.15rem;
  max-width: 520px;
}

/* ---------------------------------------------------
   Eligibility Box
   --------------------------------------------------- */
.popup__eligibility {
  width: 100%;
  max-width: 520px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 0.75rem 1rem;
  background: rgba(243, 186, 47, 0.05);
  border: 1px solid rgba(243, 186, 47, 0.16);
  border-radius: 12px;
  margin-bottom: 1.25rem;
  text-align: left;
}

.popup__eligibility-icon {
  width: 18px;
  height: 18px;
  color: var(--popup-gold);
  flex-shrink: 0;
  margin-top: 2px;
}

.popup__eligibility-text {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 0.8125rem;
  font-weight: 400;
  color: rgba(234, 236, 239, 0.75);
  line-height: 1.45;
  margin: 0;
}

/* ---------------------------------------------------
   Action Buttons
   --------------------------------------------------- */
.popup__actions {
  width: 100%;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0.875rem;
}

/* Primary CTA — Gold Button */
.popup__btn-primary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 50px;
  padding: 0.95rem 1.75rem;
  border: none;
  border-radius: var(--popup-radius-btn);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--popup-bg-dark);
  cursor: pointer;
  text-decoration: none;
  overflow: hidden;

  /* Premium gold gradient */
  background: linear-gradient(
    135deg,
    var(--popup-gold-bright) 0%,
    var(--popup-gold) 50%,
    var(--popup-gold-dark) 100%
  );

  /* Gold glow */
  box-shadow:
    0 0 24px rgba(243, 186, 47, 0.32),
    0 4px 16px rgba(0, 0, 0, 0.35);

  transition:
    transform var(--popup-transition),
    box-shadow var(--popup-transition),
    filter var(--popup-transition);
}

/* Shimmer highlight overlay */
.popup__btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    transparent 25%,
    rgba(255, 255, 255, 0.28) 50%,
    transparent 75%
  );
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.popup__btn-primary:hover::before,
.popup__btn-primary:focus-visible::before {
  transform: translateX(100%);
}

.popup__btn-primary:hover,
.popup__btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow:
    0 0 32px rgba(243, 186, 47, 0.45),
    0 8px 24px rgba(243, 186, 47, 0.25);
  filter: brightness(1.06);
}

.popup__btn-primary:focus-visible {
  outline: 2px solid var(--popup-text-primary);
  outline-offset: 3px;
}

.popup__btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.popup__btn-arrow {
  display: inline-block;
  font-size: 1.15rem;
  line-height: 1;
  transition: transform 0.2s ease;
}

.popup__btn-primary:hover .popup__btn-arrow,
.popup__btn-primary:focus-visible .popup__btn-arrow {
  transform: translateX(4px);
}

/* Secondary Button — Ghost / Outline */
.popup__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 44px;
  padding: 0.75rem 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--popup-radius-btn);
  background: rgba(255, 255, 255, 0.03);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--popup-text-secondary);
  cursor: pointer;
  text-decoration: none;
  transition:
    background var(--popup-transition),
    border-color var(--popup-transition),
    color var(--popup-transition),
    transform var(--popup-transition);
}

.popup__btn-secondary:hover,
.popup__btn-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--popup-text-primary);
  transform: translateY(-1px);
}

.popup__btn-secondary:focus-visible {
  outline: 2px solid var(--popup-gold);
  outline-offset: 3px;
}

.popup__btn-secondary:active {
  transform: translateY(0);
}

/* ---------------------------------------------------
   Risk / Compliance Bottom Disclaimer
   --------------------------------------------------- */
.popup__disclaimer {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 0.75rem;
  color: var(--popup-text-muted);
  line-height: 1.5;
  margin: 0;
  max-width: 520px;
  text-align: center;
}

/* ---------------------------------------------------
   Body scroll lock when popup is open
   --------------------------------------------------- */
body.popup-open {
  overflow: hidden;
}

/* ---------------------------------------------------
   Focus outline
   --------------------------------------------------- */
.popup:focus {
  outline: none;
}

/* ---------------------------------------------------
   RESPONSIVE DESIGN (Mobile, Tablet, Desktop)
   --------------------------------------------------- */

/* Mobile devices (max 600px) */
@media (max-width: 600px) {
  .popup {
    width: 94vw;
    max-width: 95vw;
    border-radius: 20px;
  }

  .popup__inner {
    padding: 1.85rem 1.15rem 1.35rem;
  }

  .popup__close {
    top: 0.75rem;
    right: 0.75rem;
    width: 34px;
    height: 34px;
  }

  .popup__badge {
    font-size: 0.75rem;
    padding: 5px 12px;
    margin-bottom: 0.75rem;
  }

  .popup__icon-wrapper {
    width: 56px;
    height: 56px;
    margin-bottom: 0.85rem;
  }

  .popup__icon-box {
    width: 48px;
    height: 48px;
  }

  .popup__gift-svg {
    width: 30px;
    height: 30px;
  }

  .popup__reward-card {
    padding: 1rem 0.875rem;
    border-radius: 12px;
  }

  .popup__label {
    font-size: 0.75rem;
  }

  .popup__amount {
    font-size: clamp(1.85rem, 7vw, 2.35rem);
  }

  .popup__subtitle {
    font-size: 0.875rem;
  }

  .popup__main-text {
    font-size: 1rem;
    margin-bottom: 0.35rem;
  }

  .popup__message {
    font-size: 0.84375rem;
    line-height: 1.5;
    margin-bottom: 0.95rem;
  }

  .popup__eligibility {
    padding: 0.65rem 0.8rem;
    margin-bottom: 1rem;
  }

  .popup__eligibility-text {
    font-size: 0.75rem;
  }

  .popup__btn-primary {
    min-height: 48px;
    font-size: 1rem;
    padding: 0.875rem 1.25rem;
  }

  .popup__btn-secondary {
    min-height: 42px;
    font-size: 0.875rem;
  }

  .popup__disclaimer {
    font-size: 0.6875rem;
  }
}

/* Tablet & Desktop (min 601px) */
@media (min-width: 601px) {
  .popup__inner {
    padding: 2.5rem 2.25rem 2rem;
  }

  .popup__actions {
    max-width: 420px;
  }
}

/* Desktop enhancement (min 768px) */
@media (min-width: 768px) {
  .popup {
    box-shadow:
      0 0 60px rgba(243, 186, 47, 0.16),
      0 30px 90px rgba(0, 0, 0, 0.8),
      inset 0 1px 0 rgba(255, 255, 255, 0.08);
  }
}

/* ---------------------------------------------------
   Reduced Motion
   --------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .popup-overlay,
  .popup,
  .popup__close,
  .popup__btn-primary,
  .popup__btn-secondary,
  .popup__btn-primary::before,
  .popup__btn-arrow,
  .popup__icon-halo {
    transition: none !important;
    animation: none !important;
  }

  .popup-overlay--active .popup {
    transform: none;
  }
}