/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 260px;
    height: 100vh;
    background: var(--dark-card);
    border-right: 1px solid var(--dark-border);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform 0.3s;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--dark-border);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--primary-color);
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s;
}

.nav-item:hover {
    background: var(--dark-bg);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--dark-bg);
    color: var(--primary-color);
    border-left: 3px solid var(--primary-color);
}

.nav-item i {
    width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    margin-left: 260px;
    min-height: 100vh;
    background: var(--dark-bg);
}

/* Topbar */
.topbar {
    background: var(--dark-card);
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--dark-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
}

.topbar h1 {
    font-size: 1.5rem;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.notifications {
    position: relative;
    cursor: pointer;
    font-size: 1.25rem;
    color: var(--text-secondary);
    transition: color 0.3s;
}

.notifications:hover {
    color: var(--text-primary);
}

.badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--danger-color);
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    position: relative;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.user-name {
    font-weight: 500;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
    min-width: 200px;
    display: none;
    box-shadow: var(--shadow-lg);
}

.user-menu:hover .user-dropdown {
    display: block;
}

.user-dropdown a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: background 0.3s;
}

.user-dropdown a:hover {
    background: var(--dark-bg);
}

/* Dashboard Content */
.dashboard-content {
    padding: 2rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--dark-card);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--dark-border);
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.bg-primary {
    background: var(--primary-color);
}

.bg-success {
    background: var(--success-color);
}

.bg-warning {
    background: var(--warning-color);
}

.bg-danger {
    background: var(--danger-color);
}

.stat-info h3 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: bold;
    margin-bottom: 0.25rem;
}

.stat-change {
    font-size: 0.875rem;
}

/* Charts Row */
.charts-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chart-card {
    background: var(--dark-card);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--dark-border);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-header h3 {
    font-size: 1.25rem;
}

.chart-controls {
    display: flex;
    gap: 0.5rem;
}

.btn-time {
    padding: 0.5rem 1rem;
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.875rem;
}

.btn-time:hover,
.btn-time.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.chart-container {
    height: 300px;
    position: relative;
}

/* Activity Row */
.activity-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.activity-card,
.market-card {
    background: var(--dark-card);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--dark-border);
}

.view-all {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--dark-bg);
    border-radius: var(--border-radius);
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.activity-info h4 {
    margin-bottom: 0.25rem;
}

.activity-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.activity-amount {
    margin-left: auto;
    text-align: right;
}

.activity-time {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.market-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.market-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--dark-bg);
    border-radius: var(--border-radius);
}

.market-symbol strong {
    display: block;
    margin-bottom: 0.25rem;
}

.market-symbol span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.market-price {
    text-align: right;
}

.market-price span:first-child {
    display: block;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

/* Trading Symbol */
.trading-symbol {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.trading-symbol select {
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
}

.symbol-price {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.symbol-price .price {
    font-size: 1.25rem;
    font-weight: 600;
}

.balance-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.balance-info strong {
    color: var(--text-primary);
    font-size: 1.125rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .charts-row,
    .activity-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}