/* --- THANH ĐIỀU HƯỚNG ĐÁY (BOTTOM BAR) --- */
.ios-bottom-bar { position: fixed; bottom: 0; left: 0; width: 100%; z-index: 1001; padding-bottom: env(safe-area-inset-bottom); }
.bottom-main { padding: 10px 24px; background: var(--glass-bg); backdrop-filter: blur(25px) saturate(200%); -webkit-backdrop-filter: blur(25px) saturate(200%); border-top: 1px solid var(--glass-border); display: flex; justify-content: space-between; align-items: center; }
.bottom-group { display: flex; align-items: center; gap: 15px; }

.chat-btn { background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.02)); border: 1px solid rgba(255,255,255,0.2); width: 40px; height: 40px; }
.chat-btn:hover { background: var(--accent-blue); box-shadow: 0 0 15px var(--accent-blue); transform: translateY(-2px); }

.vip-badge { display: flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 12px; background: rgba(255, 215, 0, 0.1); border: 1px solid rgba(255, 215, 0, 0.3); cursor: pointer; transition: all 0.3s; }
.vip-badge:hover { background: rgba(255, 215, 0, 0.2); box-shadow: 0 0 15px rgba(255, 215, 0, 0.4); transform: scale(1.05); }
.vip-icon { width: 18px; height: 18px; fill: var(--accent-gold); filter: drop-shadow(0 0 5px var(--accent-gold)); }
.vip-text { font-size: 14px; font-weight: 800; color: var(--accent-gold); text-shadow: 0 0 5px rgba(255, 215, 0, 0.5); }

.deposit-btn { display: flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 20px; background: linear-gradient(135deg, #34C759, #30D158); border: none; color: #fff; font-size: 14px; font-weight: 700; cursor: pointer; box-shadow: 0 4px 15px rgba(52, 199, 89, 0.3); transition: all 0.3s; }
.deposit-btn:hover { transform: translateY(-2px) scale(1.05); box-shadow: 0 6px 20px rgba(52, 199, 89, 0.5); filter: brightness(1.1); }
.deposit-btn svg { width: 16px; height: 16px; fill: currentColor; }

.balance-display { display: flex; align-items: center; padding: 8px 16px; border-radius: 12px; background: rgba(52, 199, 89, 0.08); border: 1px solid rgba(52, 199, 89, 0.4); cursor: pointer; transition: all 0.3s; }
.balance-display:hover { background: rgba(52, 199, 89, 0.15); box-shadow: 0 0 15px rgba(52, 199, 89, 0.3); }
.balance-amount { font-size: 16px; font-weight: 800; font-family: 'SF Pro Display', monospace; color: var(--accent-green); text-shadow: 0 0 8px rgba(52, 199, 89, 0.6); }

/* Responsive Bottom Bar */
@media (max-width: 600px) { .bottom-main { padding: 10px 12px; } .bottom-group { gap: 8px; } .chat-btn { width: 36px; height: 36px; } .vip-badge { padding: 5px 8px; } .vip-text { font-size: 12px; } .deposit-btn { padding: 6px 12px; font-size: 13px; } .balance-display { padding: 6px 10px; } .balance-amount { font-size: 14px; } }
@media (max-width: 380px) { .bottom-main { padding: 8px; } .vip-text { display: none; } .deposit-btn span { display: none; } }