/* ── Variables ──────────────────────────────────────────── */
:root {
  --bg: #0b0e14;
  --bg-card: #121820;
  --bg-row-hover: #1a2230;
  --border: #1e2a3a;
  --text: #d1d5db;
  --text-muted: #6b7280;
  --text-heading: #f3f4f6;
  --accent: #e85d75;
  --accent-hover: #d14060;
  --gold: #f59e0b;
  --silver: #94a3b8;
  --bronze: #d97706;
  --radius: 8px;
  --font: "IBM Plex Mono", "SF Mono", "Fira Code", monospace;
  --font-display: "IBM Plex Sans", "Inter", system-ui, sans-serif;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  cursor: pointer;
}

/* ── Hearts Container ─────────────────────────────────── */
#hearts-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 100;
  overflow: hidden;
}

.heart {
  position: absolute;
  width: 48px;
  height: 48px;
  object-fit: contain;
  opacity: 1;
  animation: heart-fall 1.6s ease-in forwards;
  pointer-events: none;
  z-index: 100;
}

@keyframes heart-fall {
  0% {
    transform: translateY(0) scale(1) rotate(0deg);
    opacity: 1;
  }
  60% {
    opacity: 0.8;
  }
  100% {
    transform: translateY(60vh) scale(0.4) rotate(25deg);
    opacity: 0;
  }
}

/* ── Click Area ───────────────────────────────────────── */
#click-area {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#title {
  position: absolute;
  top: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.15em;
  line-height: 1;
  z-index: 10;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.7);
}

#click-count {
  position: absolute;
  top: 5.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: -0.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  z-index: 10;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
}

#tagline {
  position: absolute;
  top: 8.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  z-index: 10;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.5);
  white-space: nowrap;
}

/* ── Monkey Image ─────────────────────────────────────── */
#monkey-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#monkey {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.1s ease;
  -webkit-tap-highlight-color: transparent;
}

#monkey.hug {
  transform: scale(1.05);
}

/* ── Bottom Frame ─────────────────────────────────────── */
#bottom-frame {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(600px, 92vw);
  background: #ffffff;
  border: 1px solid #e0e0e0;
  border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
  z-index: 200;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  color: #1a1a1a;
  display: flex;
  flex-direction: column;
}

/* ── Ad Bottom ────────────────────────────────────────── */
#ad-bottom {
  border-top: 1px solid #e0e0e0;
}

/* ── Leaderboard Bar ──────────────────────────────────── */
#leaderboard-bar {
}

#leaderboard-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.2s;
}

#leaderboard-toggle:hover {
  color: #1a1a1a;
}

#toggle-arrow {
  display: inline-block;
  transition: transform 0.3s;
  font-size: 0.65rem;
}

#leaderboard-bar.open #toggle-arrow {
  transform: rotate(180deg);
}

#leaderboard-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

#leaderboard-bar.open #leaderboard-panel {
  max-height: calc(100vh - 220px);
  overflow-y: auto;
}

/* ── Leaderboard Table ────────────────────────────────── */
#leaderboard-table {
  width: 100%;
  border-collapse: collapse;
}

#leaderboard-table thead th {
  text-align: left;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #999;
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid #e0e0e0;
  background: #ffffff;
  position: sticky;
  top: 0;
  z-index: 2;
}

#leaderboard-table tbody td {
  padding: 0.55rem 0.8rem;
  border-bottom: 1px solid #f0f0f0;
  font-size: 0.8rem;
  color: #1a1a1a;
}

#leaderboard-table tbody tr:last-child td { border-bottom: none; }

#leaderboard-table tbody tr {
  transition: background 0.15s;
}

#leaderboard-table tbody tr:hover {
  background: #f5f5f5;
}

.col-rank {
  width: 50px;
  text-align: center !important;
  font-weight: 700;
}

.col-flag {
  width: 40px;
  text-align: center !important;
  font-size: 1.2rem;
}

.col-country {
  font-weight: 600;
  color: #1a1a1a;
  text-align: left !important;
}

.col-clicks {
  width: 100px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: #e85d75;
  text-align: right !important;
  padding-right: 1.2rem !important;
}

/* Rank highlights */
tr.rank-1 { background: rgba(245, 158, 11, 0.05); }
tr.rank-1 .col-clicks { color: var(--gold); }

tr.rank-2 { background: rgba(148, 163, 184, 0.04); }
tr.rank-2 .col-clicks { color: #7a8a9e; }

tr.rank-3 { background: rgba(217, 119, 6, 0.04); }
tr.rank-3 .col-clicks { color: var(--bronze); }

/* ── Ad Slots ─────────────────────────────────────────── */
.ad-slot {
  margin: 0.5rem 0.8rem;
  padding: 0.5rem;
  border: 1px dashed #ccc;
  border-radius: var(--radius);
  background: #fafafa;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ad-slot ins {
  width: 100%;
}

#leaderboard-empty {
  text-align: center;
  padding: 2rem 1rem;
  color: #999;
  font-size: 0.85rem;
}

/* ── Screen-reader only (SEO text) ────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 640px) {
  #title { font-size: 1.8rem; top: 1rem; }
  #click-count { font-size: 2rem; top: 4rem; }
  #tagline { font-size: 0.75rem; top: 6.5rem; }
}

/* ── Scrollbar (leaderboard panel) ────────────────────── */
#leaderboard-panel::-webkit-scrollbar {
  width: 6px;
}
#leaderboard-panel::-webkit-scrollbar-track {
  background: #ffffff;
}
#leaderboard-panel::-webkit-scrollbar-thumb {
  background: #ddd;
  border-radius: 3px;
}