:root {
  --bg: #0b0f14;
  --panel: #111826;
  --text: #EAF2FF;
  --acc: #3DF29D;
  --muted: #7a8aa0;
  --crown: gold;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  height: 100%; margin: 0;
  background: radial-gradient(1200px 800px at 50% 0%, #0b1220, #070a0f) fixed;
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  overflow: hidden;
}
#app { height: 100%; }

/* 🔝 Top Bar */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 12px;
  background: linear-gradient(180deg, rgba(10,14,20,.9), rgba(10,14,20,.3));
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  z-index: 5;
}
.topbar .buttons button { margin-left: 8px; }
.logo-small { height: 40px; width: auto; }

/* 🏠 Main Menu */
.panel {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  background: rgba(10,14,20,.92);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  padding: 24px;
  width: min(92vw, 520px);
  z-index: 6;
  text-align: center;
}
.panel.hidden { display: none; }
.panel h1 { margin: 10px 0 0; }
.panel .tagline { color: var(--muted); font-size: 14px; }
.logo-large { width: 200px; margin-bottom: 10px; }

.nft-info {
  margin: 16px 0;
  background: rgba(255,255,255,0.05);
  border-radius: 10px;
  padding: 10px;
  font-size: 14px; line-height: 1.5;
}
.nft-info .highlight { color: var(--acc); }
.opensea-link img { width: 48px; margin-top: 6px; transition: transform .2s; }
.opensea-link img:hover { transform: scale(1.1); }

/* 🎮 HUD */
.hud {
  position: fixed;
  top: 60px; left: 0; right: 0;
  display: flex; justify-content: space-between;
  padding: 8px 12px;
  z-index: 4; pointer-events: none;
}
.hud.hidden { display: none; }
.hud .score {
  font-weight: 800; font-size: 18px;
  background: rgba(0,0,0,.35);
  padding: 6px 10px; border-radius: 10px;
  border: 1px solid rgba(255,255,255,.08);
}
.hud .score.fever-score {
  color: #3DF29D;
  text-shadow: 0 0 10px #3DF29D;
}
.combo {
  font-weight: 700; font-size: 18px;
  opacity: .85; text-shadow: 0 0 8px var(--acc);
}
.lives {
  font-weight: 800;
  font-size: 18px;
  color: #3DF29D;
  text-shadow: 0 0 10px #3DF29D;
  background: rgba(0,0,0,.35);
  padding: 6px 10px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.08);
}

/* ✨ Combo text (üst orta) */
#comboText {
  position: fixed;
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 22px;
  font-weight: 800;
  color: var(--acc);
  text-shadow: 0 0 12px var(--acc);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 20;
}

/* 🔥 Fever banner */
#feverText {
  position: fixed;
  top: 68px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: .5px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(61,242,157,.15);
  border: 1px solid rgba(61,242,157,.35);
  color: #3DF29D;
  text-shadow: 0 0 10px #3DF29D;
  box-shadow: 0 0 24px rgba(61,242,157,.2) inset;
  opacity: 0;
  transition: opacity .25s ease;
  z-index: 25;
}

/* 🕹️ Canvas */
canvas#game {
  position: absolute;
  inset: 0;
  top: 56px;
  height: calc(100% - 56px);
  width: 100%;
  background: radial-gradient(800px 500px at 50% 100%, rgba(61,242,157,.06), rgba(0,0,0,.25));
}

/* Fever arka plan animasyonu */
body.fever canvas#game {
  animation: feverPulse 0.9s infinite alternate ease-in-out;
  background: radial-gradient(900px 560px at 50% 100%, rgba(61,242,157,.14), rgba(0,0,0,.22));
}
@keyframes feverPulse {
  from { filter: brightness(1); }
  to   { filter: brightness(1.12); }
}

/* 🧩 Buttons */
button {
  background: #1b2435; color: var(--text);
  border: 1px solid rgba(255,255,255,.08);
  padding: 10px 14px; border-radius: 12px;
  cursor: pointer; font-weight: 600;
}
button.primary { background: var(--acc); color: #001b0d; border: none; }
button:active { transform: scale(.98); }

/* 📘 Modal */
.modal { position: fixed; inset:0; display:flex; align-items:center; justify-content:center; background: rgba(0,0,0,.5); z-index:10; }
.modal.hidden { display: none; }
.modal-content {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px;
  padding: 20px;
  width: min(90vw, 500px);
  text-align: left; color: var(--text);
}

/* 🏆 Tabs + lists */
.tabs { display:flex; justify-content:center; gap:6px; margin-bottom:10px; }
.tab { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); color: var(--text); padding: 8px 14px; border-radius: 10px; cursor: pointer; }
.tab.active { background: var(--acc); color: #001b0d; }
.crown { color: var(--crown); margin-right: 4px; }
ol { list-style:none; padding:0; margin:0; }
ol li { background: rgba(255,255,255,0.05); border-radius:8px; padding:8px 12px; margin:4px 0; font-size:14px; }

/* Responsive */
@media (max-width: 420px) {
  .logo-large { width: 150px; }
  .logo-small { height: 32px; }
}