/* ============================================================
   buyer.gg — leaderboard.css
   Hero · Tabs · Podium · Table · Milestones · Referral CTA
   ============================================================ */

:root {
  --primary:    #023E8A;
  --accent:     #0077B6;
  --soft-cyan:  #90E0EF;
  --pale-blue:  #CAF0F8;
}

/* ---- Hero ---- */
.lb-hero {
  position: relative;
  padding: var(--space-16) 0 var(--space-20);
  overflow: hidden;
  text-align: center;
  color: #fff;
}

.lb-hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  z-index: 0;
}

.lb-hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.06'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  opacity: 0.5;
  pointer-events: none;
}

.lb-hero__inner {
  position: relative;
  z-index: 1;
}

.lb-hero__content {
  max-width: 640px;
  margin: 0 auto;
}

.lb-hero__pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--r-full);
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  margin-bottom: var(--space-5);
  backdrop-filter: blur(8px);
}

.lb-hero__title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.lb-hero__sub {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
  max-width: 520px;
  margin: 0 auto;
}

.lb-hero__curve {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  z-index: 2;
  line-height: 0;
}

.lb-hero__curve svg {
  width: 100%;
  height: 60px;
}

/* ---- Tabs ---- */
.lb-tabs-section {
  padding-top: var(--space-8);
}

.lb-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
}

.lb-tab {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--r-full);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-500);
  background: var(--surface);
  border: 2px solid var(--border);
  transition: all var(--t-base) var(--ease);
  cursor: pointer;
}

.lb-tab:hover {
  color: var(--accent);
  border-color: var(--soft-cyan);
  background: var(--pale-blue);
}

.lb-tab.active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(2, 62, 138, 0.3);
}

.lb-tab.active svg {
  stroke: #fff;
}

/* ---- Panels ---- */
.lb-panel--hidden {
  display: none;
}

/* ---- Podium ---- */
.lb-podium {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-6);
  max-width: 860px;
  margin: 0 auto var(--space-12);
  align-items: end;
}

.lb-podium__card {
  position: relative;
  background: var(--white);
  border-radius: var(--r-xl);
  padding: var(--space-8) var(--space-5) var(--space-6);
  text-align: center;
  box-shadow: var(--shadow-md);
  border-top: 4px solid var(--border);
  transition: transform var(--t-slow) var(--ease), box-shadow var(--t-slow) var(--ease);
}

.lb-podium__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.lb-podium__card--1 {
  border-top: 4px solid var(--primary);
  background: linear-gradient(180deg, rgba(2, 62, 138, 0.04) 0%, var(--white) 40%);
  padding-top: var(--space-10);
  position: relative;
  animation: pulse-glow 3s ease-in-out infinite;
}

.lb-podium__card--1::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--r-xl) + 2px);
  background: linear-gradient(135deg, var(--primary), var(--accent), var(--soft-cyan));
  z-index: -1;
  opacity: 0.6;
}

.lb-podium__card--1::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--r-xl);
  background: linear-gradient(180deg, rgba(2, 62, 138, 0.04) 0%, var(--white) 40%);
  z-index: 0;
}

.lb-podium__card--1 > * {
  position: relative;
  z-index: 1;
}

.lb-podium__card--2 {
  border-top-color: #94a3b8;
}

.lb-podium__card--3 {
  border-top-color: #cd7f32;
}

.lb-podium__crown {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 28px;
  z-index: 2;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.15));
}

.lb-podium__rank {
  font-size: 32px;
  margin-bottom: var(--space-3);
}

.lb-podium__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto var(--space-3);
  border: 3px solid transparent;
  background-origin: border-box;
  background-clip: padding-box, border-box;
}

.lb-podium__card--1 .lb-podium__avatar {
  width: 76px;
  height: 76px;
  font-size: 34px;
  border-width: 4px;
}

.lb-podium__name {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-900);
  margin-bottom: var(--space-2);
}

.lb-podium__stat {
  margin-top: var(--space-3);
}

.lb-podium__stat-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-300);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.lb-podium__stat-val {
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
}

.lb-podium__card--1 .lb-podium__stat-val {
  font-size: 22px;
}

/* ---- Tier Badge ---- */
.lb-tier-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--r-full);
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.lb-tier-badge--bronze   { background: #cd7f32; }
.lb-tier-badge--silver   { background: #94a3b8; }
.lb-tier-badge--gold     { background: #f59e0b; }
.lb-tier-badge--platinum { background: #60a5fa; }
.lb-tier-badge--diamond  { background: #0ea5e9; }
.lb-tier-badge--elite    { background: #8b5cf6; }
.lb-tier-badge--founder  { background: #023E8A; }

/* ---- Table Card ---- */
.lb-table-card {
  background: var(--white);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  overflow: hidden;
  margin-bottom: var(--space-10);
}

.lb-table-card__title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-900);
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border);
}

.lb-table-wrap {
  overflow-x: auto;
}

.lb-table {
  width: 100%;
  border-collapse: collapse;
}

.lb-table__th {
  text-align: left;
  padding: var(--space-3) var(--space-5);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-300);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.lb-table__th--rank {
  width: 72px;
  text-align: center;
}

.lb-table__th--spend,
.lb-table__th--items {
  text-align: right;
}

.lb-table__row {
  transition: background var(--t-fast) var(--ease);
}

.lb-table__row:hover {
  background: rgba(202,240,248,.3);
}

.lb-table__row:nth-child(even) {
  background: rgba(202, 240, 248, 0.15);
}

.lb-table__row:nth-child(even):hover {
  background: rgba(202,240,248,.3);
}

.lb-table__td {
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--border-light);
  font-size: 14px;
  vertical-align: middle;
}

.lb-table__td--rank {
  text-align: center;
  font-weight: 800;
  font-size: 16px;
}

.lb-table__td--rank .lb-rank-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  background: var(--surface);
  font-size: 13px;
  font-weight: 800;
  color: var(--text-500);
}

.lb-table__td--user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.lb-table__user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.lb-table__user-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.lb-table__user-name {
  font-weight: 700;
  color: var(--text-900);
  font-size: 14px;
}

.lb-table__td--spend,
.lb-table__td--items {
  text-align: right;
  font-weight: 700;
  color: var(--text-700);
}

.lb-table__td--spend {
  color: var(--primary);
  font-weight: 800;
}

/* ---- Milestones Feed ---- */
.lb-milestones {
  margin-bottom: var(--space-12);
}

.lb-milestones__title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 18px;
  font-weight: 800;
  color: var(--text-900);
  margin-bottom: var(--space-5);
}

.lb-milestones__title svg {
  stroke: var(--accent);
}

.lb-milestones__feed {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}

.lb-milestone-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--space-4);
  transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
}

.lb-milestone-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.lb-milestone-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: var(--pale-blue);
  flex-shrink: 0;
}

.lb-milestone-card__text {
  flex: 1;
  min-width: 0;
}

.lb-milestone-card__user {
  font-weight: 700;
  color: var(--text-900);
  font-size: 13px;
}

.lb-milestone-card__detail {
  font-size: 12px;
  color: var(--text-500);
  margin-top: 1px;
}

.lb-milestone-card__time {
  font-size: 11px;
  color: var(--text-300);
  flex-shrink: 0;
  font-weight: 600;
}

/* ---- Referral Callout ---- */
.lb-referral-callout {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--r-xl);
  padding: var(--space-8);
  color: #fff;
  margin-top: var(--space-8);
}

.lb-referral-callout__icon {
  font-size: 40px;
  flex-shrink: 0;
}

.lb-referral-callout__title {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--space-2);
}

.lb-referral-callout__desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
}

/* ---- CTA Section ---- */
.lb-cta {
  position: relative;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  padding: var(--space-20) 0;
  text-align: center;
  overflow: hidden;
  color: #fff;
}

.lb-cta__blob-1,
.lb-cta__blob-2 {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  pointer-events: none;
}

.lb-cta__blob-1 {
  width: 400px;
  height: 400px;
  background: var(--soft-cyan);
  top: -100px;
  left: -100px;
}

.lb-cta__blob-2 {
  width: 350px;
  height: 350px;
  background: var(--pale-blue);
  bottom: -80px;
  right: -80px;
}

.lb-cta__inner {
  position: relative;
  z-index: 1;
}

.lb-cta__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--space-4);
}

.lb-cta__sub {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 500px;
  margin: 0 auto var(--space-8);
  line-height: 1.6;
}

.lb-cta__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .lb-hero {
    padding: var(--space-10) 0 var(--space-16);
  }

  .lb-tabs {
    gap: var(--space-2);
  }

  .lb-tab {
    padding: var(--space-2) var(--space-4);
    font-size: 13px;
  }

  .lb-podium {
    grid-template-columns: 1fr;
    max-width: 360px;
    gap: var(--space-4);
  }

  .lb-podium__card--1 {
    order: -1;
  }

  .lb-podium__card--2 {
    order: 0;
  }

  .lb-podium__card--3 {
    order: 1;
  }

  .lb-table__th--items,
  .lb-table__td--items {
    display: none;
  }

  .lb-referral-callout {
    flex-direction: column;
    text-align: center;
    padding: var(--space-6);
  }

  .lb-milestones__feed {
    grid-template-columns: 1fr;
  }

  .lb-cta {
    padding: var(--space-12) 0;
  }
}

@media (max-width: 480px) {
  .lb-table__th--spend,
  .lb-table__td--spend {
    font-size: 13px;
    padding: var(--space-2) var(--space-3);
  }

  .lb-table__td--user {
    gap: var(--space-2);
  }

  .lb-table__user-avatar {
    width: 30px;
    height: 30px;
    font-size: 14px;
  }
}

/* ---- Wallet / Loyalty in Navbar ---- */
.navbar__wallet {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.navbar__balance {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-700);
}

.navbar__balance svg {
  stroke: var(--accent);
}

.navbar__balance-val {
  color: var(--primary);
}

.navbar__deposit-btn {
  padding: 4px 10px;
  border-radius: var(--r-full);
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  cursor: pointer;
  transition: opacity var(--t-fast) var(--ease);
}

.navbar__deposit-btn:hover {
  opacity: 0.85;
}

.navbar__loyalty {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.navbar__tier-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--r-full);
  font-size: 11px;
  font-weight: 700;
  color: #fff;
}

.navbar__points {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-500);
}

@media (max-width: 1024px) {
  .navbar__wallet,
  .navbar__loyalty {
    display: none;
  }
}