:root{

    --background:#F5F7FB;

    --sidebar:#0D1B3D;
    --sidebar-light:#162C5F;

    --primary:#3B82F6;
    --primary-light:#60A5FA;

    --success:#22C55E;
    --danger:#EF4444;

    --text:#111827;
    --text-light:#64748B;

}

/* ===================================== */
/* RESET */
/* ===================================== */

*{

    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Inter',sans-serif;

}

body{

    min-height:100vh;

    display:flex;

    background:

    radial-gradient(
        circle at top right,
        rgba(59,130,246,.08),
        transparent 30%
    ),

    radial-gradient(
        circle at bottom left,
        rgba(96,165,250,.05),
        transparent 25%
    ),

    var(--background);

}

/* ===================================== */
/* SIDEBAR */
/* ===================================== */

.sidebar{

    width:270px;

    position:fixed;

    top:0;
    left:0;
    bottom:0;

    padding:30px 20px;

    background:

    linear-gradient(
        180deg,
        var(--sidebar),
        var(--sidebar-light)
    );

    color:white;

    box-shadow:
    0 20px 40px rgba(0,0,0,.25);

}

.logo{

    font-size:24px;

    font-weight:800;

    margin-bottom:40px;

}

.sidebar nav{

    display:flex;
    flex-direction:column;
    gap:10px;

}

.sidebar nav a{

    text-decoration:none;

    color:white;

    padding:14px 18px;

    border-radius:16px;

    transition:.25s;

}

.sidebar nav a:hover{

    background:
    rgba(255,255,255,.08);

}

.sidebar nav a.active{

    background:var(--primary);

}

/* ===================================== */
/* MAIN */
/* ===================================== */

.main-content{

    flex:1;

    margin-left:270px;

    padding:35px;

}

/* ===================================== */
/* HEADER */
/* ===================================== */

.page-header{

    margin-bottom:30px;

}

.page-header h1{

    font-size:38px;

    font-weight:800;

    color:var(--text);

}

.page-header p{

    margin-top:8px;

    color:var(--text-light);

}

/* ===================================== */
/* KPI */
/* ===================================== */

.stats-top{

    display:grid;

    grid-template-columns:
    repeat(auto-fit,minmax(250px,1fr));

    gap:20px;

    margin-bottom:30px;

}

.stat-card{

    background:white;

    border-radius:30px;

    padding:25px;

    position:relative;

    overflow:hidden;

    box-shadow:
    0 20px 50px rgba(15,23,42,.08);

}

.stat-card::before{

    content:"";

    position:absolute;

    top:-50px;
    right:-50px;

    width:120px;
    height:120px;

    border-radius:50%;

    background:

    radial-gradient(
        rgba(59,130,246,.08),
        transparent
    );

}

.stat-card span{

    color:var(--text-light);

    font-size:14px;

}

.stat-card h2{

    margin-top:12px;

    font-size:36px;

    font-weight:800;

    color:var(--primary);

}

/* ===================================== */
/* CHARTS */
/* ===================================== */

.charts-grid{

    display:grid;

    grid-template-columns:
    repeat(2,1fr);

    gap:25px;

}

.chart-card{

    background:white;

    border-radius:30px;

    padding:25px;

    position:relative;

    overflow:hidden;

    min-height:420px;

    box-shadow:
    0 20px 50px rgba(15,23,42,.08);

}

.chart-card::before{

    content:"";

    position:absolute;

    top:-60px;
    right:-60px;

    width:140px;
    height:140px;

    border-radius:50%;

    background:

    radial-gradient(
        rgba(59,130,246,.08),
        transparent
    );

}

.chart-card h3{

    margin-bottom:25px;

    font-size:20px;

    font-weight:700;

    color:var(--text);

}

.chart-card canvas{

    width:100% !important;

    height:320px !important;

}

/* ===================================== */
/* EMPTY STATE */
/* ===================================== */

.empty-chart{

    display:flex;

    align-items:center;

    justify-content:center;

    height:300px;

    color:var(--text-light);

    text-align:center;

}

/* ===================================== */
/* RESPONSIVE */
/* ===================================== */

@media(max-width:1200px){

    .charts-grid{

        grid-template-columns:1fr;

    }

}

@media(max-width:768px){

    .sidebar{

        width:90px;

    }

    .main-content{

        margin-left:90px;

        padding:20px;

    }

    .logo{

        font-size:14px;

    }

    .sidebar nav a{

        text-align:center;

        font-size:11px;

    }

    .stats-top{

        grid-template-columns:1fr;

    }

    .chart-card{

        min-height:350px;

    }

}

/* ===================================== */
/* CATEGORIES SCROLL PREMIUM */
/* ===================================== */

.categories-list{

    display:flex;

    flex-direction:column;

    gap:12px;

    max-height:260px;

    overflow-y:auto;

    padding-right:8px;

}

/* Scrollbar Premium */

.categories-list::-webkit-scrollbar{

    width:8px;

}

.categories-list::-webkit-scrollbar-track{

    background:#EEF2F7;

    border-radius:20px;

}

.categories-list::-webkit-scrollbar-thumb{

    background:
    linear-gradient(
        180deg,
        #3B82F6,
        #60A5FA
    );

    border-radius:20px;

}

.categories-list::-webkit-scrollbar-thumb:hover{

    background:
    linear-gradient(
        180deg,
        #2563EB,
        #3B82F6
    );

}