/* --- BIẾN TOÀN CỤC (TÙY BIẾN GIAO DIỆN TẠI ĐÂY) --- */
:root {
    --bg-color: #f0f2f5;
    --card-bg-color: rgba(255, 255, 255, 0.7);
    --primary-color: #4A55A2;
    --secondary-color: #7895CB;
    --accent-color: #A0BFE0;
    --text-color: #2c3e50;
    --text-muted-color: #7f8c8d;
    --border-color: rgba(200, 200, 200, 0.3);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --font-family: 'Inter', sans-serif; /* Sử dụng font Inter hiện đại */
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap');

body {
    background-color: var(--bg-color);
    font-family: var(--font-family);
    color: var(--text-color);
}

.dashboard-pro {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

/* --- HIỆU ỨNG KÍNH MỜ (GLASSMORPHISM) --- */
.glass-card {
    background: var(--card-bg-color);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px 0 var(--shadow-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 1.5rem;
    height: 100%;
}

/* --- THẺ KPI --- */
.kpi-card {
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.kpi-card:hover {
    transform: translateY(-5px);
}

.kpi-icon {
    font-size: 2rem;
    padding: 1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.kpi-label {
    font-size: 0.9rem;
    color: var(--text-muted-color);
    font-weight: 500;
}

.kpi-number {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.kpi-sparkline {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    opacity: 0.2;
}

/* --- BIỂU ĐỒ & BẢNG --- */
.chart-container {
    width: 100%;
    height: 350px;
}

.table-pro {
    border-collapse: separate;
    border-spacing: 0 10px;
}
.table-pro th {
    font-weight: 500;
    color: var(--text-muted-color);
    border: none !important;
    font-size: 0.9rem;
}
.table-pro td {
    background-color: #fff;
    border: none !important;
    vertical-align: middle;
}
.table-pro tr td:first-child {
    border-top-left-radius: 0.5rem;
    border-bottom-left-radius: 0.5rem;
}
.table-pro tr td:last-child {
    border-top-right-radius: 0.5rem;
    border-bottom-right-radius: 0.5rem;
}

.card-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .kpi-number {
        font-size: 1.75rem;
    }
    .card-title {
        font-size: 1rem;
    }
}