* { box-sizing: border-box; }
:root {
    --bg-color: #0B0E11;
    --nav-bg: #0B0E11;
    --primary-color: #0052FF;
    --text-color: #FFFFFF;
    --text-muted: #848E9C;
    --border-color: #2B3139;
    --card-bg: #1E2329;
    --danger-color: #F6465D;
    --success-color: #0ECB81;
    --gold-color: #F0B90B;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    padding-bottom: 0;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-color); }
::-webkit-scrollbar-thumb { background: #2b3139; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #3b4149; }

.navbar {
    background-color: var(--nav-bg);
    padding: 0 1.5rem;
    height: 64px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
    display: flex;
    align-items: center;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-link-icon {
    margin-right: 6px;
    font-size: 16px;
}

/* Colorful Menu Icons */
.fa-home { color: #5d5dff; }
.fa-chart-line { color: #00e676; }
.fa-coins { color: #ffd600; }
.fa-file-contract { color: #ff3d00; }
.fa-bolt { color: #fbc02d; }
.fa-pickaxe { color: #8e24aa; }
.fa-wallet { color: #03a9f4; }

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #1E2329;
    min-width: 180px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.5);
    z-index: 1002;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    top: 100%;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    color: white;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    font-size: 14px;
}

.dropdown-content a:hover {
    background-color: #2B3139;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
}

.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

/* Mobile Bottom Nav */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 65px;
    background: #161a1e;
    border-top: 1px solid var(--border-color);
    z-index: 1000;
    justify-content: space-around;
    align-items: center;
    padding: 5px 0 10px;
    backdrop-filter: blur(10px);
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 11px;
    gap: 4px;
}

.mobile-nav-item i { font-size: 20px; }
.mobile-nav-item.active { color: var(--primary-color); }

/* Sidebar Drawer */
.mobile-sidebar {
    position: fixed;
    top: 0;
    left: -100%;
    width: 280px;
    height: 100%;
    background: #0B0E11;
    z-index: 2000;
    transition: 0.3s;
    box-shadow: 10px 0 30px rgba(0,0,0,0.5);
    padding: 20px;
    overflow-y: auto;
}

.mobile-sidebar.open { left: 0; }
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    z-index: 1999;
}
.sidebar-overlay.open { display: block; }

/* Market Trends Table */
.market-table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Responsive Grid Helper */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }

/* Mobile Optimizations */
@media (max-width: 992px) {
    .navbar { padding: 0 1rem; }
    .nav-links { display: none; }
    .hero-section { flex-direction: column; text-align: center; padding: 40px 5%; }
    .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .mobile-bottom-nav { display: flex; }
    body { padding-bottom: 70px; }
    
    .section-title { font-size: 1.8rem; }
    
    /* Market Table Mobile */
    .market-table th:nth-child(4), 
    .market-table td:nth-child(4) { display: none; }
}

@media (max-width: 576px) {
    .logo-text { font-size: 1.4rem !important; }
    .logo-svg { width: 28px !important; height: 28px !important; }
    
    .btn-login-hide { display: none; }
    
    .market-table th, .market-table td { padding: 12px 15px !important; }
    .market-table td div { font-size: 0.9rem !important; }
}

/* User Profile Dropdown Adjustments */
.user-info-header {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}
.uid-badge {
    display: inline-block;
    background: rgba(79, 172, 254, 0.1);
    color: var(--primary-color);
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    margin-top: 5px;
}