:root {
    --page-bg: #f6f8fb;
    --card: #ffffff;
    --muted: #6b7280;
    --primary: #6366f1;
    --accent: #06b6d4;
    --surface-shadow: 0 8px 30px rgba(15, 23, 42, 0.06);
    --radius: 14px;
    font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    color-scheme: light;
}


/* reset + base */

* {
    box-sizing: border-box
}

html,
body {
    height: 100%
}

body {
    margin: 0;
    background: linear-gradient(180deg, #f8fafc 0%, var(--page-bg) 100%);
    padding: 28px;
    color: #0f172a;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}


/* center page */

.container {
    max-width: 1200px;
    margin: 0 auto;
}


/* header */


/* ===== HEADER (modern minimal) ===== */

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 22px;
    background: linear-gradient(180deg, #ffffff, #fafafa);
    border-radius: 16px;
    box-shadow: var(--surface-shadow);
    margin-bottom: 20px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    font-weight: 800;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 1px;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.25);
}

.title h1 {
    font-size: 16px;
    font-weight: 700;
    margin: 0;
    letter-spacing: 0.2px;
}

.title p {
    margin: 0;
    font-size: 12px;
    color: var(--muted);
}


/* Right side */

.header-right {
    display: flex;
    align-items: center;
    gap: 18px;
}

.stat {
    text-align: right;
}

.stat span {
    display: block;
    font-size: 11px;
    color: var(--muted);
}

.stat strong {
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
}


/* pill badge */

.pill {
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 999px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    white-space: nowrap;
}


/* controls (filters) */

.controls {
    display: flex;
    flex-wrap: wrap;
    margin: 16px 0;
}

.control {
    background: var(--card);
    padding: 8px;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(13, 17, 23, 0.03);
    min-width: 150px;
}

.control select {
    border: 0;
    outline: 0;
    background: transparent;
    font-size: 13px;
}

.refresh {
    margin-left: auto
}

.btn {
    background: linear-gradient(90deg, var(--accent), var(--primary));
    color: #fff;
    padding: 8px 12px;
    border-radius: 10px;
    border: 0;
    cursor: pointer;
    font-weight: 600;
    box-shadow: 0 6px 18px rgba(6, 182, 212, 0.08);
}

.action-group {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: auto;
}

.btn-secondary {
    background: linear-gradient(90deg, #0f172a, #334155);
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.12);
}


/* main card */

.card {
    background: var(--card);
    padding: 14px;
    border-radius: 14px;
    box-shadow: var(--surface-shadow);
}


/* table */

.table-wrap {
    margin-bottom: 18px;
    overflow: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    min-width: 900px;
}

thead th {
    position: sticky;
    top: 0;
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.02), rgba(6, 182, 212, 0.01));
    text-align: left;
    padding: 12px;
    font-weight: 700;
    color: #0f172a;
    font-size: 13px;
}

tbody td {
    padding: 10px 12px;
    border-bottom: 1px solid #f1f5f9;
    vertical-align: middle
}

tbody tr:hover td {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.03), rgba(6, 182, 212, 0.02));
}


/* small style tweaks */

.badge {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    background: #eef2ff;
    color: #3730a3;
    font-weight: 600;
    font-size: 12px;
    box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.02);
}


/* pagination */

.pagination {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: flex-end;
    margin-top: 10px
}

.pagebtn {
    background: transparent;
    border: 1px solid #eef2ff;
    padding: 8px 10px;
    border-radius: 10px;
    cursor: pointer
}


/* charts area - stacked on vertical layout */

.charts {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 18px;
}


/* chart card */

.chart-card {
    height: 320px;
    padding: 18px;
    border-radius: 12px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(250, 250, 251, 0.9));
    box-shadow: 0 8px 26px rgba(2, 6, 23, 0.04);
    display: flex;
    flex-direction: column;
}

.chart-card h3 {
    margin: 0 0 12px 0;
    font-size: 18px;
    color: #0f172a
}


/* canvas fills card */

.chart-card canvas {
    flex: 1;
    width: 100% !important;
}


/* footer note */

.footer-note {
    color: var(--muted);
    font-size: 12px;
    margin-top: 12px
}


/* small screens */

@media (max-width:900px) {
    .container {
        padding: 0 14px
    }
    .controls {
        gap: 8px
    }
    .control {
        min-width: 120px
    }
    .action-group {
        width: 100%;
        justify-content: flex-end;
        flex-wrap: wrap;
    }
    table {
        min-width: 700px
    }
}