:root {
  --gold: #ffd700;
  --dark-gold: #8b6b15;
  --bg-dark: #0d0d0d;
  --panel-bg: rgba(25, 25, 25, 0.9);
  --border: rgba(255, 215, 0, 0.3);
  --text-main: #fff;
  --text-muted: #888;
  --accent-green: #00ff66;
}

* {
  margin: 0; padding: 0; box-sizing: border-box;
  user-select: none; -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
}

#app {
  width: 100%; min-height: 100vh;
  background: radial-gradient(circle at top, #1a1a1a 0%, var(--bg-dark) 100%);
  display: flex; flex-direction: column;
}

.back-link {
  position: absolute; top: 15px; left: 15px; z-index: 100;
  background: rgba(0,0,0,0.8); color: var(--gold);
  padding: 8px 16px; border-radius: 20px; font-weight: 800; font-size: 0.85rem;
  text-decoration: none; border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.bank-header {
  padding: 60px 20px 30px 20px;
  text-align: center;
  background: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent);
}

.bank-header h1 {
  font-size: 2.5rem; font-weight: 900; letter-spacing: 2px;
}
.bank-header h1 span { color: var(--gold); }
.bank-header p {
  color: var(--text-muted); font-size: 0.8rem; font-weight: 800; letter-spacing: 4px; margin-top: 5px;
}

.game-container {
  flex: 1; display: flex; flex-direction: column; gap: 20px;
  max-width: 500px; width: 100%; margin: 0 auto;
  padding: 0 15px 40px 15px;
}

.card {
  background: var(--panel-bg);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 25px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  backdrop-filter: blur(10px);
}

.card-title {
  font-size: 0.8rem; font-weight: 800; color: var(--text-muted);
  letter-spacing: 1px; margin-bottom: 10px;
}

.wallet-card {
  border-left: 4px solid var(--gold);
}

.balance-display, .vault-balance-display {
  display: flex; align-items: baseline; gap: 8px;
}

.currency { font-size: 1.2rem; font-weight: 800; color: var(--gold); }
.value { font-size: 2.5rem; font-weight: 900; text-shadow: 0 0 15px rgba(255,215,0,0.3); }

/* Staking Area */
.staking-card {
  border: 1px solid var(--border);
  box-shadow: inset 0 0 40px rgba(255,215,0,0.05);
}

.staking-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 15px;
}

.apy-badge {
  background: rgba(0, 255, 102, 0.1); color: var(--accent-green);
  border: 1px solid var(--accent-green);
  padding: 4px 10px; border-radius: 12px; font-weight: 900; font-size: 0.75rem;
  box-shadow: 0 0 10px rgba(0,255,102,0.2);
}

.interest-container {
  margin: 25px 0; padding: 20px; background: rgba(0,0,0,0.5);
  border-radius: 15px; border: 1px dashed rgba(255,255,255,0.1);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}

.interest-label { font-size: 0.75rem; color: var(--text-muted); font-weight: 800; }
.interest-value { font-size: 1.8rem; font-weight: 900; color: var(--accent-green); text-shadow: 0 0 15px rgba(0,255,102,0.4); }

.bank-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 16px;
}

.bank-stats div {
  min-width: 0; padding: 12px; border-radius: 12px; background: rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.08);
}

.bank-stats span {
  display: block; color: var(--text-muted); font-size: 0.64rem; font-weight: 900;
  letter-spacing: 1px; margin-bottom: 5px;
}

.bank-stats b {
  color: var(--accent-green); font-size: 1rem; font-weight: 900;
}

.action-btn {
  padding: 15px; border-radius: 12px; border: none; font-weight: 900; font-size: 1rem;
  cursor: pointer; transition: all 0.2s; width: 100%;
}
.action-btn:active:not(:disabled) { transform: scale(0.96); }
.action-btn:disabled { opacity: 0.5; filter: grayscale(1); cursor: not-allowed; }

.claim-btn {
  background: var(--accent-green); color: #000; box-shadow: 0 5px 15px rgba(0,255,102,0.3);
}

.staking-controls { display: flex; flex-direction: column; gap: 15px; }

.input-group {
  display: flex; background: rgba(0,0,0,0.6); border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1); overflow: hidden;
}

.input-group input {
  flex: 1; background: transparent; border: none; color: #fff;
  padding: 15px; font-size: 1.2rem; font-family: 'Outfit'; font-weight: 800;
  outline: none;
}
.input-group button {
  background: rgba(255,215,0,0.1); border: none; color: var(--gold);
  padding: 0 15px; font-weight: 900; cursor: pointer; transition: 0.2s;
  border-left: 1px solid rgba(255,255,255,0.1);
}
.input-group button:active { background: rgba(255,215,0,0.3); }

.quick-row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
}

.quick-row button {
  padding: 10px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.06); color: var(--text-main); font-weight: 900;
  cursor: pointer;
}

.quick-row button:active { background: rgba(255,215,0,0.2); }

.action-row { display: flex; gap: 10px; }
.stake-btn { background: var(--gold); color: #000; }
.unstake-btn { background: transparent; border: 1px solid var(--text-muted); color: var(--text-main); }

.bank-message {
  min-height: 44px; padding: 12px 14px; border-radius: 14px; background: rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.08); color: #ddd; font-weight: 800;
  text-align: center; font-size: 0.85rem;
}

@media (max-width: 520px) {
  .bank-header { padding: 56px 16px 22px; }
  .bank-header h1 { font-size: 2rem; }
  .card { padding: 18px; border-radius: 16px; }
  .value { font-size: 2rem; }
  .bank-stats { grid-template-columns: 1fr; }
  .action-row { flex-direction: column; }
}