/* ============================================
   LOTTACASH — Components
   Reusable UI components
   ============================================ */

/* ========== NAVIGATION ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 var(--sp-5);
  background: rgba(15, 10, 30, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border-soft);
  transition: background var(--duration-base) var(--ease-out),
              backdrop-filter var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.navbar.scrolled {
  background: rgba(15, 10, 30, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom-color: var(--c-border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  gap: var(--sp-4);
}

/* Logo */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--c-text);
  text-decoration: none;
  flex-shrink: 0;
}

.navbar__logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-gold) 100%);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-glow-primary);
  flex-shrink: 0;
}

.navbar__logo-text span {
  color: var(--c-gold);
}

/* Desktop Nav Links */
.navbar__links {
  display: none;
  align-items: center;
  gap: var(--sp-1);
  flex: 1;
  justify-content: center;
}

@media (min-width: 768px) {
  .navbar__links { display: flex; }
}

.navbar__link {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--c-text-muted);
  text-decoration: none;
  transition: color var(--duration-fast), background var(--duration-fast);
  white-space: nowrap;
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--c-text);
  background: rgba(255,255,255,0.06);
}

.navbar__link.active {
  color: var(--c-primary-light);
}

.navbar__link-icon {
  font-size: 0.95rem;
  line-height: 1;
}

/* Nav Right Actions */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-shrink: 0;
}

@media (max-width: 479px) {
  [data-auth-hide].btn--ghost { display: none !important; }
}

/* Balance chip */
.balance-chip {
  display: none;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--r-full);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--c-gold);
  transition: background var(--duration-fast);
  white-space: nowrap;
}

.balance-chip:hover {
  background: rgba(245, 158, 11, 0.16);
}

.balance-chip.visible { display: flex; }

.balance-chip__icon { font-size: 0.95rem; line-height: 1; }

.balance-chip__amount {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--c-gold);
  line-height: 1;
}

/* Mobile menu toggle */
.navbar__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 4px;
  cursor: pointer;
  border: none;
  background: rgba(255,255,255,0.05);
  border-radius: var(--r-sm);
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .navbar__burger { display: none; }
}

.navbar__burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--c-text-muted);
  border-radius: var(--r-full);
  transition: transform var(--duration-base) var(--ease-out),
              opacity var(--duration-fast),
              width var(--duration-base);
  transform-origin: center;
}

.navbar__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.navbar__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Drawer */
.mobile-nav {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(12, 8, 26, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--c-border-soft);
  padding: var(--sp-4) var(--sp-5);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--duration-base) var(--ease-out),
              opacity var(--duration-base) var(--ease-out);
  z-index: 999;
  max-height: calc(100vh - var(--nav-height));
  overflow-y: auto;
}

.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.mobile-nav__links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  margin-bottom: var(--sp-4);
}

.mobile-nav__link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-lg);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--c-text-muted);
  text-decoration: none;
  transition: color var(--duration-fast), background var(--duration-fast);
}

.mobile-nav__link:hover,
.mobile-nav__link.active {
  color: var(--c-text);
  background: rgba(255,255,255,0.06);
}

.mobile-nav__link.active { color: var(--c-primary-light); }

.mobile-nav__divider {
  height: 1px;
  background: var(--c-border-soft);
  margin: var(--sp-3) 0;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  border-radius: var(--r-lg);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  line-height: 1;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition:
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out),
    opacity var(--duration-fast),
    background var(--duration-fast);
  white-space: nowrap;
  user-select: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  position: relative;
  overflow: hidden;
}

/* Shimmer overlay on hover */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), transparent);
  opacity: 0;
  transition: opacity var(--duration-fast);
  pointer-events: none;
}

.btn:hover { transform: translateY(-2px); }
.btn:hover::after { opacity: 1; }
.btn:active { transform: translateY(0) scale(0.98); }
.btn:disabled { opacity: 0.4; pointer-events: none; }

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--c-primary-light);
  outline-offset: 3px;
  border-radius: 4px;
}

.btn:focus-visible {
  outline: 2px solid var(--c-primary-light);
  outline-offset: 2px;
}

/* Primary */
.btn--primary {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  color: white;
  box-shadow: 0 4px 20px rgba(124,58,237,0.4);
}
.btn--primary:hover {
  box-shadow: 0 8px 32px rgba(124,58,237,0.6);
}

/* Gold */
.btn--gold {
  background: linear-gradient(135deg, var(--c-gold-light) 0%, var(--c-gold) 60%, var(--c-gold-dark) 100%);
  color: #1A0A00;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(245,158,11,0.4);
}
.btn--gold:hover {
  box-shadow: 0 8px 32px rgba(245,158,11,0.6);
}

/* Ghost */
.btn--ghost {
  background: rgba(255,255,255,0.06);
  color: var(--c-text-muted);
  border: 1px solid var(--c-border-soft);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.1);
  color: var(--c-text);
  border-color: var(--c-border);
}

/* Outline */
.btn--outline {
  background: transparent;
  color: var(--c-primary-light);
  border: 1.5px solid var(--c-primary);
}
.btn--outline:hover {
  background: rgba(124,58,237,0.1);
}

/* Sizes */
.btn--sm {
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--text-xs);
  border-radius: var(--r-md);
}
.btn--lg {
  padding: var(--sp-4) var(--sp-8);
  font-size: var(--text-base);
  border-radius: var(--r-xl);
}

/* Full Width */
.btn--full { width: 100%; justify-content: center; }

/* Loading state */
.btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

/* ========== CARDS ========== */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--r-xl);
  padding: var(--sp-6);
  transition: border-color var(--duration-base), box-shadow var(--duration-base), transform var(--duration-base);
}

.card:hover {
  border-color: var(--c-border);
  box-shadow: var(--shadow-md);
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-5);
  gap: var(--sp-3);
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--c-text);
}

/* ========== OFFER CARDS ========== */
.offer-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--r-xl);
  overflow: hidden;
  cursor: pointer;
  transition:
    border-color var(--duration-base),
    transform var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base);
  display: flex;
  flex-direction: column;
  -webkit-tap-highlight-color: transparent;
  position: relative;
}

.offer-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--r-xl);
  opacity: 0;
  transition: opacity var(--duration-base);
  pointer-events: none;
  background: linear-gradient(135deg, rgba(124,58,237,0.06), transparent 60%);
}

.offer-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(124,58,237,0.3);
  border-color: rgba(124,58,237,0.4);
}

.offer-card:hover::after { opacity: 1; }

.offer-card__image {
  position: relative;
  height: 120px;
  background: linear-gradient(135deg, var(--c-surface-2) 0%, var(--c-surface-3) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.offer-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(124,58,237,0.08), transparent 60%);
  opacity: 0;
  transition: opacity var(--duration-base);
}

.offer-card:hover .offer-card__image::after { opacity: 1; }

.offer-card__category {
  position: absolute;
  top: var(--sp-2);
  left: var(--sp-2);
}

.offer-card__featured {
  position: absolute;
  top: var(--sp-2);
  right: var(--sp-2);
  background: rgba(245,158,11,0.15);
  color: var(--c-gold);
  border: 1px solid rgba(245,158,11,0.3);
  font-size: 0.6rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 7px;
  border-radius: var(--r-full);
}

.offer-card__hot {
  position: absolute;
  bottom: var(--sp-2);
  right: var(--sp-2);
  background: rgba(239,68,68,0.15);
  color: var(--c-warning);
  border: 1px solid rgba(239,68,68,0.3);
  font-size: 0.6rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 7px;
  border-radius: var(--r-full);
}

.offer-card__body {
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  flex: 1;
}

.offer-card__name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--c-text);
  line-height: 1.3;
}

.offer-card__desc {
  font-size: var(--text-xs);
  color: var(--c-text-muted);
  line-height: 1.55;
  flex: 1;
}

.offer-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--sp-2);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--c-border-soft);
}

.offer-card__reward {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--c-gold);
}

.offer-card__difficulty {
  display: flex;
  gap: 3px;
}

.difficulty-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-surface-3);
  border: 1px solid var(--c-border-soft);
}

.difficulty-dot.filled {
  background: var(--c-primary);
  border-color: var(--c-primary);
}

/* ========== REWARD CARDS ========== */
.reward-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--r-xl);
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-2);
  transition: transform var(--duration-base), box-shadow var(--duration-base), border-color var(--duration-base);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.reward-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5), 0 0 24px rgba(245,158,11,0.12);
  border-color: rgba(245,158,11,0.3);
}

.reward-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--r-lg);
  background: var(--c-surface-2);
  border: 1px solid var(--c-border-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: transform var(--duration-base) var(--ease-spring),
              background var(--duration-base),
              border-color var(--duration-base);
}

.reward-card:hover .reward-card__icon {
  background: linear-gradient(135deg, rgba(245,158,11,0.15), var(--c-surface-2));
  border-color: rgba(245,158,11,0.3);
  transform: scale(1.08);
}

.reward-card__name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--c-text);
}

.reward-card__cost {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--c-gold);
}

/* ========== STAT CARDS ========== */
.stat-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--r-xl);
  padding: var(--sp-5) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  transition: border-color var(--duration-base), box-shadow var(--duration-base);
}

.stat-card:hover {
  border-color: var(--c-border);
  box-shadow: var(--shadow-md);
}

.stat-card__label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-text-muted);
}

.stat-card__value {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, var(--text-3xl));
  font-weight: 800;
  color: var(--c-text);
  line-height: 1.1;
}

/* ========== FORMS ========== */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--c-text);
}

.form-input {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  background: var(--c-surface-2);
  border: 1.5px solid var(--c-border-soft);
  border-radius: var(--r-lg);
  color: var(--c-text);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
  outline: none;
}

.form-input::placeholder { color: var(--c-text-faint); }

.form-input:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.form-input:invalid:not(:placeholder-shown) {
  border-color: var(--c-error);
}

textarea.form-input {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

select.form-input {
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239B8DB8' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: var(--sp-10);
}

/* ========== TABS ========== */
.tabs {
  display: flex;
  background: var(--c-surface-2);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--r-lg);
  padding: var(--sp-1);
  gap: var(--sp-1);
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar { display: none; }

.tab {
  flex: 0 0 auto;
  padding: var(--sp-2) var(--sp-5);
  border-radius: var(--r-md);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--c-text-muted);
  cursor: pointer;
  transition: color var(--duration-fast), background var(--duration-fast);
  background: none;
  border: none;
  font-family: var(--font-body);
  white-space: nowrap;
}

.tab:hover { color: var(--c-text); background: rgba(255,255,255,0.04); }
.tab.active { background: var(--c-surface-3); color: var(--c-text); }

/* ========== MODAL ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
}

.modal-overlay.open {
  display: flex;
  animation: fadeIn 0.2s var(--ease-out);
}

.modal {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-2xl);
  padding: var(--sp-8);
  width: 100%;
  max-width: 480px;
  position: relative;
  box-shadow: var(--shadow-lg);
  animation: scaleIn 0.25s var(--ease-spring);
}

.modal__close {
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-4);
  width: 32px;
  height: 32px;
  border-radius: var(--r-md);
  background: var(--c-surface-2);
  border: 1px solid var(--c-border-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--c-text-muted);
  font-size: 1.1rem;
  transition: background var(--duration-fast), color var(--duration-fast);
}

.modal__close:hover {
  background: var(--c-surface-3);
  color: var(--c-text);
}

.modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-bottom: var(--sp-5);
  padding-right: var(--sp-8);
}

.modal__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--c-text);
  margin-bottom: 0;
}

.modal__sub {
  font-size: var(--text-sm);
  color: var(--c-text-muted);
  margin-bottom: var(--sp-6);
}

/* ========== FOOTER ========== */
.footer {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border-soft);
  padding: var(--sp-16) 0 var(--sp-8);
  position: relative;
  z-index: 1;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
  margin-bottom: var(--sp-10);
}

@media (min-width: 640px) {
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--sp-12); }
}

.footer__brand p {
  font-size: var(--text-sm);
  color: var(--c-text-muted);
  line-height: 1.7;
  max-width: 260px;
  margin-top: var(--sp-3);
}

.footer__col-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--c-text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--c-text-muted);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.footer__link:hover { color: var(--c-text); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--c-border-soft);
}

.footer__copyright {
  font-size: var(--text-sm);
  color: var(--c-text-faint);
}

.footer__legal {
  display: flex;
  gap: var(--sp-5);
  flex-wrap: wrap;
}

.footer__legal a {
  font-size: var(--text-sm);
  color: var(--c-text-faint);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.footer__legal a:hover { color: var(--c-text-muted); }

/* Social icons */
.social-links {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--r-md);
  background: var(--c-surface-2);
  border: 1px solid var(--c-border-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  color: var(--c-text-muted);
  text-decoration: none;
  transition: background var(--duration-fast), color var(--duration-fast),
              border-color var(--duration-fast), transform var(--duration-fast);
}

.social-link:hover {
  background: var(--c-primary);
  color: white;
  border-color: var(--c-primary);
  transform: translateY(-2px);
}

/* ========== ENHANCED CARD HOVER EFFECTS ========== */

/* Offer card glow on hover — handled in .offer-card block above */

/* Reward card gold glow on hover — handled in .reward-card block above */

/* Step card: allow overflow for the ring pulse animation */
.step-card {
  position: relative;
  overflow: visible;
}