/* Reset & Variables */
:root {
    --bg-dark: #0C0D11;
    --sidebar-bg: #08090C;
    --card-bg: #16181D;
    
    --text-main: #FFFFFF;
    --text-muted: #8A8D93;
    --accent: #21528A;
    --accent-glow: #3B82F6;
    --positive: #10B981;
    
    --font-main: 'Inter', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-main);
    min-height: 100vh;
    overflow-x: hidden;
}

/* App Layout */
.app-layout {
    display: grid;
    grid-template-columns: 80px 1fr;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    background-color: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 0;
    border-right: 1px solid rgba(255,255,255,0.05);
}
.sidebar-logo {
    margin-bottom: 3rem;
    color: var(--text-main);
}
.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    flex: 1;
}
.nav-item {
    color: var(--text-muted);
    transition: color 0.2s, transform 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
}
.nav-item:hover, .nav-item.active {
    color: var(--text-main);
    transform: scale(1.1);
}
.sidebar-bottom {
    margin-top: auto;
}

/* Main Content */
.main-content {
    padding: 2rem 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 1600px;
}

/* Topbar */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.page-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 500;
}
.user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: rgba(255,255,255,0.02);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    border: 1px solid rgba(255,255,255,0.05);
}
.avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-glow));
}
.user-info {
    display: flex;
    flex-direction: column;
}
.client-name {
    font-weight: 500;
    font-size: 0.9rem;
}
.client-id {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Solid Cards */
.solid-card {
    background-color: var(--card-bg);
    border-radius: 24px;
    padding: 1.5rem;
    border: 1px solid rgba(255,255,255,0.03);
}

/* Dashboard Grid */
.dashboard-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Metrics Row */
.metrics-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}
.metric-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: transform 0.2s;
}
.metric-card:hover {
    transform: translateY(-5px);
}
.metric-icon {
    width: 48px; height: 48px;
    border-radius: 16px;
    background-color: rgba(255,255,255,0.03);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: var(--text-muted);
}
.metric-value {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
}
.metric-value.small-text {
    font-size: 1.4rem;
    margin-top: 0.5rem;
}
.metric-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
}

/* Chart Styles */
.chart-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}
.chart-title {
    font-size: 1rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}
.chart-subtitle {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--positive);
}

/* Filters */
.chart-filters {
    display: flex;
    gap: 0.5rem;
    background-color: rgba(255,255,255,0.02);
    padding: 0.25rem;
    border-radius: 8px;
}
.filter-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    cursor: pointer;
    font-weight: 500;
}
.filter-btn.active {
    background-color: rgba(255,255,255,0.1);
    color: var(--text-main);
}
.more-btn {
    background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 1.2rem;
}

/* Canvases */
.canvas-wrapper {
    position: relative;
    width: 100%;
}
.main-canvas {
    height: 350px;
}
.small-canvas {
    height: 250px;
}

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

/* Mobile Responsive */
@media (max-width: 992px) {
    .secondary-charts-row { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .app-layout { grid-template-columns: 1fr; }
    .sidebar { display: none; }
    .main-content { padding: 1.5rem; }
    .topbar { flex-direction: column; align-items: flex-start; gap: 1rem; }
}