:root {
  --bg-dark: #181715;
  --bg-darker: #0f0e0c;
  --bg-panel: #1f1d1a;
  --bg-panel-light: #2a2724;
  --border: #3a3631;
  --text-primary: #e8dbc7;
  --text-secondary: #8d7d62;
  --text-muted: #5c5247;
  --accent-blue: #5eb2e4;
  --accent-blue-bright: #4ea9e1;
  --accent-blue-dark: #2d7ba8;
  --accent-green: #4ade80;
  --accent-red: #f87171;
  --accent-yellow: #fbbf24;
  --accent-orange: #fb923c;
  --accent-purple: #a78bfa;
  --radius: 10px;
  --radius-sm: 6px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Header */
#header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: var(--bg-darker);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  height: 60px;
}

.header-left { display: flex; align-items: center; gap: 12px; }
.header-right { display: flex; align-items: center; gap: 16px; }

.logo { display: flex; align-items: center; gap: 8px; }
.logo-icon { font-size: 28px; }
.logo-text {
  font-size: 22px; font-weight: 900; color: var(--text-primary);
  letter-spacing: -0.5px;
}
.logo-accent { color: var(--accent-blue); }
.logo-tag {
  font-size: 11px; font-weight: 700; color: var(--accent-blue);
  background: rgba(94, 178, 228, 0.12);
  padding: 3px 8px; border-radius: 4px; letter-spacing: 1px;
}

.balance-display {
  display: flex; align-items: center; gap: 6px;
  background: var(--bg-panel); border: 1px solid var(--border);
  padding: 8px 14px; border-radius: var(--radius-sm);
}
.balance-label { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.balance-amount { font-size: 16px; font-weight: 700; color: var(--text-primary); }
.balance-token { font-size: 12px; color: var(--accent-blue); font-weight: 600; }

.btn-wallet {
  background: var(--accent-blue); color: #0f0e0c;
  border: none; padding: 9px 18px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 700; cursor: pointer; transition: all 0.2s;
}
.btn-wallet:hover { background: var(--accent-blue-bright); transform: translateY(-1px); }
.btn-wallet.connected { background: var(--bg-panel); color: var(--accent-blue); border: 1px solid var(--accent-blue); }

/* Main layout */
#main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
  flex-shrink: 0;
}

.panel-left { width: 240px; border-right: 1px solid var(--border); }
.panel-right { width: 260px; border-left: 1px solid var(--border); }

.panel-section { display: flex; flex-direction: column; gap: 8px; }

.control-label {
  font-size: 12px; color: var(--text-secondary); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.control-label.small { font-size: 11px; }

/* Bet input */
.bet-input-group { display: flex; gap: 6px; }
.bet-input {
  flex: 1; background: var(--bg-darker); border: 1px solid var(--border);
  color: var(--text-primary); padding: 10px 12px; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; outline: none; width: 100%;
}
.bet-input:focus { border-color: var(--accent-blue); }
.bet-buttons { display: flex; gap: 4px; }
.bet-btn {
  background: var(--bg-panel-light); border: 1px solid var(--border);
  color: var(--text-secondary); padding: 8px 10px; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 600; cursor: pointer; transition: all 0.15s;
}
.bet-btn:hover { background: var(--border); color: var(--text-primary); }

/* Risk buttons */
.risk-buttons { display: flex; gap: 6px; }
.risk-btn {
  flex: 1; background: var(--bg-darker); border: 1px solid var(--border);
  color: var(--text-secondary); padding: 9px 0; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 600; cursor: pointer; transition: all 0.15s;
}
.risk-btn:hover { border-color: var(--accent-blue); color: var(--text-primary); }
.risk-btn.active { background: var(--accent-blue); color: #0f0e0c; border-color: var(--accent-blue); }

/* Rows buttons */
.rows-buttons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.rows-btn {
  background: var(--bg-darker); border: 1px solid var(--border);
  color: var(--text-secondary); padding: 8px 0; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 600; cursor: pointer; transition: all 0.15s;
}
.rows-btn:hover { border-color: var(--accent-blue); color: var(--text-primary); }
.rows-btn.active { background: var(--accent-blue); color: #0f0e0c; border-color: var(--accent-blue); }

/* Profit display */
.profit-display {
  display: flex; align-items: baseline; gap: 6px;
  background: var(--bg-darker); border: 1px solid var(--border);
  padding: 10px 12px; border-radius: var(--radius-sm);
}
.profit-amount { font-size: 18px; font-weight: 700; color: var(--accent-green); }
.profit-token { font-size: 12px; color: var(--text-muted); }

/* Drop button */
.btn-drop {
  background: var(--accent-blue); color: #0f0e0c;
  border: none; padding: 14px; border-radius: var(--radius);
  font-size: 16px; font-weight: 800; cursor: pointer; transition: all 0.2s;
  text-transform: uppercase; letter-spacing: 1px;
}
.btn-drop:hover { background: var(--accent-blue-bright); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(94,178,228,0.3); }
.btn-drop:disabled { background: var(--bg-panel-light); color: var(--text-muted); cursor: not-allowed; transform: none; box-shadow: none; }

/* Auto mode */
.auto-section { border-top: 1px solid var(--border); padding-top: 12px; }
.auto-toggle { display: flex; align-items: center; gap: 12px; }
.switch-label { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.switch-label input { display: none; }
.switch {
  width: 40px; height: 22px; background: var(--bg-darker); border: 1px solid var(--border);
  border-radius: 12px; position: relative; transition: all 0.2s;
}
.switch::after {
  content: ''; position: absolute; top: 2px; left: 2px;
  width: 16px; height: 16px; background: var(--text-muted); border-radius: 50%;
  transition: all 0.2s;
}
.switch-label input:checked + .switch { background: var(--accent-blue-dark); }
.switch-label input:checked + .switch::after { left: 20px; background: var(--accent-blue); }
.switch-text { font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.auto-controls { display: flex; flex-direction: column; gap: 4px; }
.auto-input {
  background: var(--bg-darker); border: 1px solid var(--border);
  color: var(--text-primary); padding: 6px 10px; border-radius: var(--radius-sm);
  font-size: 13px; width: 70px; outline: none;
}
.auto-input:focus { border-color: var(--accent-blue); }

/* Board */
.board-container {
  flex: 1; display: flex; align-items: center; justify-content: center;
  background: var(--bg-darker); position: relative; overflow: hidden;
}
#plinko-canvas { display: block; }

/* Provably fair */
.fair-header { display: flex; justify-content: space-between; align-items: center; }
.fair-title { font-size: 12px; color: var(--text-secondary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.fair-toggle { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 14px; }
.fair-panel { display: flex; flex-direction: column; gap: 10px; }
.fair-panel.collapsed { display: none; }

.fair-row { display: flex; flex-direction: column; gap: 4px; }
.fair-row label { font-size: 11px; color: var(--text-muted); font-weight: 500; }
.seed-input-group { display: flex; gap: 4px; }
.seed-input {
  flex: 1; background: var(--bg-darker); border: 1px solid var(--border);
  color: var(--text-primary); padding: 6px 8px; border-radius: var(--radius-sm);
  font-size: 12px; outline: none; font-family: monospace;
}
.seed-input:focus { border-color: var(--accent-blue); }
.seed-btn {
  background: var(--bg-panel-light); border: 1px solid var(--border);
  color: var(--text-primary); padding: 4px 8px; border-radius: var(--radius-sm);
  cursor: pointer; font-size: 14px;
}
.seed-display {
  background: var(--bg-darker); border: 1px solid var(--border);
  padding: 6px 8px; border-radius: var(--radius-sm);
  font-size: 11px; font-family: monospace; color: var(--text-secondary);
  word-break: break-all; max-height: 60px; overflow-y: auto;
}
.seed-display.revealed { border-color: var(--accent-green); color: var(--accent-green); }
.btn-secondary {
  background: var(--bg-panel-light); border: 1px solid var(--border);
  color: var(--text-secondary); padding: 8px; border-radius: var(--radius-sm);
  font-size: 12px; font-weight: 600; cursor: pointer; transition: all 0.15s;
}
.btn-secondary:hover { border-color: var(--accent-blue); color: var(--text-primary); }

/* History */
.history-list { display: flex; flex-direction: column; gap: 4px; max-height: 300px; overflow-y: auto; }
.history-empty { font-size: 12px; color: var(--text-muted); text-align: center; padding: 20px 0; }
.history-item {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--bg-darker); border: 1px solid var(--border);
  padding: 6px 10px; border-radius: var(--radius-sm); font-size: 12px;
}
.history-mult { font-weight: 700; }
.history-payout { color: var(--text-secondary); font-size: 11px; }

/* Modal */
.modal {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.7); display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.modal-content {
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: var(--radius); width: 380px; max-width: 90vw; overflow: hidden;
}
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 18px; font-weight: 700; }
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 18px; cursor: pointer; }
.modal-body { padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.wallet-info { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
.wallet-note { font-size: 12px; color: var(--text-muted); margin-top: 8px; }
.btn-wallet-option {
  display: flex; align-items: center; gap: 12px; width: 100%;
  background: var(--bg-darker); border: 1px solid var(--border);
  color: var(--text-primary); padding: 14px 16px; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; cursor: pointer; transition: all 0.15s;
}
.btn-wallet-option:hover { border-color: var(--accent-blue); }
.btn-wallet-option.disconnect { color: var(--accent-red); }
.wallet-icon { font-size: 24px; }
.wallet-address {
  font-size: 12px; font-family: monospace; color: var(--accent-blue);
  text-align: center; padding: 8px; background: var(--bg-darker); border-radius: var(--radius-sm);
  word-break: break-all;
}
.wallet-balance-info { font-size: 14px; color: var(--text-secondary); text-align: center; }
.wallet-balance-info span:last-child { color: var(--accent-blue); font-weight: 700; }

/* Result popup */
.result-popup {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: rgba(15,14,12,0.92); border: 2px solid var(--accent-blue);
  border-radius: 16px; padding: 24px 40px; text-align: center; z-index: 500;
  animation: pop 0.3s ease;
}
@keyframes pop { 0% { transform: translate(-50%,-50%) scale(0.7); opacity: 0; } 100% { transform: translate(-50%,-50%) scale(1); opacity: 1; } }
.result-multiplier { display: block; font-size: 36px; font-weight: 900; }
.result-payout { display: block; font-size: 16px; color: var(--text-secondary); margin-top: 4px; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-darker); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Responsive */
@media (max-width: 900px) {
  .panel-left { width: 200px; }
  .panel-right { width: 220px; }
}
@media (max-width: 700px) {
  #main { flex-direction: column; }
  .panel-left, .panel-right { width: 100%; border: none; border-bottom: 1px solid var(--border); max-height: 200px; }
  .board-container { min-height: 300px; }
}