/* Header */
.header{position:fixed;top:0;left:50%;transform:translateX(-50%);width:100%;max-width:var(--max-w);height:var(--header-h);background:var(--header-bg);display:flex;align-items:center;justify-content:space-between;padding:0 16px;z-index:100;border-bottom:1px solid var(--border);backdrop-filter:var(--glass-filter);-webkit-backdrop-filter:var(--glass-filter);box-shadow:0 4px 20px rgba(0,0,0,0.2)}
.header .left,.header .right{display:flex;align-items:center;gap:12px}
.header .menu-btn{font-size:24px;color:var(--text);padding:6px;transition:color 0.2s}
.header .menu-btn:hover{color:var(--primary)}
.header .logo{font-family:'Georgia',serif;font-weight:900;font-size:26px;background:var(--logo-gold);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:1px;text-shadow:0 2px 4px rgba(0,0,0,0.5)}
.header .balance{display:flex;align-items:center;gap:2px;font-size:11px;color:var(--primary);font-weight:700;background:rgba(212, 175, 55, 0.1);padding:2px 6px;border-radius:999px;border:1px solid var(--border-glow)}
.header .icon-btn{font-size:18px;padding:6px;color:var(--text);border-radius:0;background:var(--card-2);border:1px solid var(--border);transition:all 0.2s}
.header .icon-btn:hover{background:var(--card);color:var(--primary);border-color:var(--border-glow)}

/* Bottom Nav */
.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:var(--max-w);height:var(--bottomnav-h);background:var(--bottomnav-bg);border-top:1px solid var(--border);display:flex;justify-content:space-around;align-items:center;z-index:100;backdrop-filter:var(--glass-filter);-webkit-backdrop-filter:var(--glass-filter);box-shadow:0 -4px 20px rgba(0,0,0,0.3)}
.bottom-nav a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:var(--text-muted);font-size:12px;font-weight:500;padding:10px 0;position:relative;transition:all 0.3s cubic-bezier(0.4, 0, 0.2, 1)}
.bottom-nav a:hover{color:var(--text-soft)}
.bottom-nav a.active{color:var(--primary);text-shadow:0 0 10px rgba(212, 175, 55, 0.4)}
.bottom-nav a .ico{font-size:22px;transition:transform 0.3s cubic-bezier(0.4, 0, 0.2, 1)}
.bottom-nav a.active .ico{transform:translateY(-2px) scale(1.1)}
.bottom-nav a.center .ico{width:48px;height:48px;border-radius:50%;background:var(--btn-gradient);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;margin-top:-24px;box-shadow:0 6px 15px rgba(212, 175, 55, 0.4);border:2px solid var(--border-glow);transition:all 0.3s}
.bottom-nav a.center:hover .ico{transform:translateY(-4px);box-shadow:0 8px 20px rgba(212, 175, 55, 0.6)}

/* Sidebar */
.sidebar-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);backdrop-filter:blur(4px);z-index:90;display:none;opacity:0;transition:opacity 0.3s;top:var(--header-h)}
.sidebar-overlay.open{display:block;opacity:1}
.sidebar{position:fixed;top:var(--header-h);left:50%;transform:translateX(calc(-50% - var(--max-w)/2 - 100%));width:75%;max-width:300px;height:calc(100vh - var(--header-h));background:var(--sidebar-bg);z-index:91;transition:all .4s cubic-bezier(0.4, 0, 0.2, 1);overflow-y:auto;padding:16px;border-right:1px solid var(--border);box-shadow:var(--shadow);opacity:0;visibility:hidden}
.sidebar.open{transform:translateX(calc(-50% - var(--max-w)/2));opacity:1;visibility:visible}
@media(max-width:480px){
  .sidebar{transform:translateX(-100%);left:0}
  .sidebar.open{transform:translateX(0)}
}
.sidebar .cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
.sidebar .cat{background:var(--card);border-radius:var(--radius-sm);padding:16px 8px;text-align:center;font-size:13px;font-weight:600;cursor:pointer;border:1px solid var(--border);transition:all 0.2s}
.sidebar .cat:hover{border-color:var(--border-glow);background:var(--card-2)}
.sidebar .cat.active{background:var(--btn-gradient);color:#fff;border-color:transparent;box-shadow:0 4px 12px rgba(212, 175, 55, 0.3)}
.sidebar .cat .ico{font-size:24px;display:block;margin-bottom:6px}
.sidebar .menu-item{display:flex;align-items:center;gap:12px;padding:14px;background:var(--card);border-radius:var(--radius-sm);margin-bottom:8px;font-size:14px;font-weight:500;border:1px solid transparent;transition:all 0.2s}
.sidebar .menu-item:hover{background:var(--card-2);border-color:var(--border)}
.sidebar .highlight-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0}
.sidebar .hi{padding:16px;border-radius:var(--radius-sm);font-weight:700;font-size:14px;color:#fff;display:flex;align-items:center;justify-content:space-between;transition:transform 0.2s;box-shadow:0 4px 10px rgba(0,0,0,0.2)}
.sidebar .hi:hover{transform:translateY(-2px);box-shadow:0 6px 15px rgba(0,0,0,0.3)}
.sidebar .hi.full{grid-column:span 2}
.sidebar .selector{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--card);border-radius:var(--radius-sm);margin-bottom:8px;font-size:14px;border:1px solid var(--border)}

/* Sub-page header (back arrow) */
.subheader{position:fixed;top:0;left:50%;transform:translateX(-50%);width:100%;max-width:var(--max-w);height:var(--header-h);background:var(--header-bg);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 16px;z-index:100;border-bottom:1px solid var(--border);backdrop-filter:var(--glass-filter);-webkit-backdrop-filter:var(--glass-filter)}
.subheader .title{position:absolute;left:50%;transform:translateX(-50%);font-weight:700;font-size:17px;letter-spacing:0.5px}
.subheader .back{font-size:24px;cursor:pointer;padding:8px;transition:color 0.2s}
.subheader .back:hover{color:var(--primary)}
.subheader .actions{display:flex;gap:12px;font-size:20px}