:root {
    --bg-color: #f3f2f1; /* PowerBI grey */
    --panel-bg: #ffffff;
    --panel-border: #e1dfdd;
    --text-primary: #323130;
    --text-secondary: #605e5c;
    --accent-blue: #118dff;
    --accent-purple: #12239e;
    --accent-green: #00b050;
    --accent-red: #e81123;
}

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

body {
    font-family: 'Segoe UI', 'Inter', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 1rem;
    font-size: 13px;
}

.dashboard-container {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.glass-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 2px;
}

.glass-panel {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 2px;
    padding: 1rem;
    box-shadow: 0 1.6px 3.6px 0 rgba(0,0,0,0.13), 0 0.3px 0.9px 0 rgba(0,0,0,0.11);
}

.logo { display: flex; align-items: center; gap: 0.5rem; }
.logo-icon { font-size: 1.2rem; }
.logo h1 { font-size: 1.2rem; font-weight: 600; color: var(--text-primary); }
.date-range { color: var(--text-secondary); font-size: 0.85rem; }

/* Filters */
.filters-bar {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    padding: 0.75rem 1.5rem;
}

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

.filter-group input, .filter-group select {
    background: #ffffff;
    border: 1px solid #8a8886;
    color: var(--text-primary);
    padding: 0.25rem 0.5rem;
    border-radius: 2px;
    font-family: inherit;
    font-size: 13px;
}
.filter-group input:focus, .filter-group select:focus {
    outline: 1px solid var(--accent-blue);
    border-color: var(--accent-blue);
}

/* KPIs */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.kpi-card h3 {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.kpi-card h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.kpi-trend {
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}
.kpi-trend.positive { color: var(--accent-green); }
.kpi-trend.negative { color: var(--accent-red); }
.kpi-trend.neutral { color: var(--text-secondary); }

/* Charts */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.chart-container h3 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    padding-bottom: 0;
    border-bottom: none;
}

.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }

.canvas-wrapper {
    position: relative;
    height: 280px;
    width: 100%;
}

@media (max-width: 1024px) {
    .charts-grid { grid-template-columns: 1fr; }
    .span-2, .span-3 { grid-column: span 1; }
}