/* 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);display:flex;align-items:center;justify-content:center}
.bottom-nav a .ico img{width:24px;height:24px;object-fit:contain}
.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)}
.bottom-nav a.bn-signup,.bottom-nav a.bn-login{overflow:hidden;isolation:isolate;flex:1;height:44px;margin-top:14px;margin-bottom:14px;padding:0;border-radius:6px;font-size:13px;letter-spacing:.3px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.bottom-nav a.bn-signup{margin-left:10px;margin-right:5px;background:linear-gradient(145deg,rgba(37,45,85,.96),rgba(15,21,53,.96));color:#f8e7a5;border:1px solid rgba(212,175,55,.55);font-weight:750;box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 5px 16px rgba(0,0,0,.3)}
.bottom-nav a.bn-login{margin-left:5px;margin-right:10px;background:linear-gradient(135deg,#fff0a8 0%,#d4af37 45%,#a77d18 100%);color:#201503;border:1px solid #f5dc78;font-weight:850;text-shadow:0 1px 0 rgba(255,255,255,.35);box-shadow:inset 0 1px 0 rgba(255,255,255,.65),0 6px 18px rgba(212,175,55,.32)}
.bottom-nav a.bn-signup::before,.bottom-nav a.bn-login::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 25%,rgba(255,255,255,.22) 48%,transparent 70%);transform:translateX(-120%);transition:transform .55s ease;z-index:-1}
.bottom-nav a.bn-signup:hover,.bottom-nav a.bn-login:hover{transform:translateY(-2px)}
.bottom-nav a.bn-signup:hover{color:#fff1b8;border-color:#e9ca62;box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 7px 20px rgba(0,0,0,.38)}
.bottom-nav a.bn-login:hover{color:#201503;box-shadow:inset 0 1px 0 rgba(255,255,255,.7),0 8px 24px rgba(212,175,55,.48)}
.bottom-nav a.bn-signup:hover::before,.bottom-nav a.bn-login:hover::before{transform:translateX(120%)}
.bottom-nav a.bn-signup:active,.bottom-nav a.bn-login:active{transform:translateY(0) scale(.98)}

/* 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(--bg);z-index:91;transition:all .4s cubic-bezier(0.4, 0, 0.2, 1);overflow-y:auto;padding:0 0 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)}
}

/* Close */
.sb-close{position:absolute;top:6px;right:10px;background:transparent;border:0;color:var(--text);font-size:30px;line-height:1;cursor:pointer;z-index:2;padding:4px}
.sb-close:hover{color:var(--primary)}

/* Welcome header */
.sb-welcome{display:flex;align-items:center;gap:12px;background:var(--card);padding:16px 14px;margin:0 0 10px;position:relative}
.sb-welcome-ico{width:44px;height:44px;background:var(--btn-gradient);border-radius:10px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(212,175,55,.35)}
.sb-logo-icon{width:26px;height:26px}
.sb-welcome-text{font-size:18px;font-weight:700;color:var(--text)}

/* Auth bar */
.sb-auth{display:flex;gap:0;background:var(--btn-gradient);margin:0 12px 12px;border-radius:var(--radius-sm);overflow:hidden;box-shadow:0 4px 14px rgba(212,175,55,.35)}
.sb-auth-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 0;color:#fff;font-size:13px;font-weight:700;text-decoration:none;transition:background .2s}
.sb-auth-btn:hover{background:rgba(255,255,255,.12)}
.sb-auth-btn + .sb-auth-btn{border-left:1px solid rgba(255,255,255,.25)}
.sb-auth-btn .ico{font-size:16px}

/* Search */
.sb-search{position:relative;margin:0 12px 14px}
.sb-search input{width:100%;padding:12px 38px 12px 14px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:14px;outline:0}
.sb-search input::placeholder{color:var(--text-muted)}
.sb-search .search-ico{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--primary);font-size:16px;pointer-events:none}

/* Category grid (3 cols) */
.sidebar .cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:0 12px;margin-bottom:14px}
.sidebar .cat{background:var(--card);border-radius:var(--radius-sm);padding:14px 4px;text-align:center;font-size:12px;font-weight:600;cursor:pointer;border:1px solid var(--border);transition:all .2s;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.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:26px;display:block;color:var(--primary);line-height:1}
.sidebar .cat .ico img{width:32px;height:32px;object-fit:contain;filter:invert(1) sepia(1) saturate(5) hue-rotate(10deg) brightness(1.2)}

/* Extras grid (3 cols) */
.sb-extras{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:0 12px;margin-bottom:14px}
.sb-extra{background:var(--card);border-radius:var(--radius-sm);padding:13px 4px;text-align:center;font-size:12px;font-weight:600;cursor:pointer;border:1px solid var(--border);transition:all .2s;display:flex;flex-direction:column;align-items:center;gap:5px}
.sb-extra:hover{background:var(--card-2);border-color:var(--border-glow)}
.sb-extra .ico{font-size:22px;color:var(--primary);line-height:1}

/* Contacts grid (3 cols) */
.sb-contacts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:0 12px}
.sb-contact{background:var(--card);border-radius:var(--radius-sm);padding:13px 4px;text-align:center;font-size:12px;font-weight:600;text-decoration:none;color:var(--text);border:1px solid var(--border);transition:all .2s;display:flex;flex-direction:column;align-items:center;gap:5px}
.sb-contact:hover{background:var(--card-2);border-color:var(--border-glow)}
.sb-contact .ico{font-size:20px;color:var(--primary);line-height:1}
.sb-contact .ico.tg{color:#29b6f6}

/* Legacy helpers (kept for compatibility) */
.sidebar .menu-item{display:flex;align-items:center;gap:12px;padding:14px;background:var(--card);border-radius:var(--radius-sm);margin:0 12px 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}