:root {
    /* 5-color palette */
    --bg: #f6f7f9;
    --surface: #ffffff;
    --text: #0f172a;
    --primary: #0ea5a3; /* Pay-in */
    --accent: #f59e0b; /* Payout */
    /* derived tokens (no new colors, mixed from existing) */
    --muted: color-mix(in srgb, var(--text) 25%, transparent);
    --muted-2: color-mix(in srgb, var(--text) 12%, transparent);
    --primary-strong: color-mix(in srgb, var(--primary) 80%, var(--text));
    --accent-strong: color-mix(in srgb, var(--accent) 80%, var(--text));
    --radius: .75rem;
    --space-1: .25rem;
    --space-2: .5rem;
    --space-3: .75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
}
/* Minimal reset */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    font-family: system-ui,-apple-system,Segoe UI,Roboto,Inter,Ubuntu,"Helvetica Neue",Arial,sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button, input, select {
    font: inherit;
    color: inherit;
}

/* Accessibility helpers */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* Layout */
.app {
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--surface);
    border-bottom: 1px solid var(--muted-2);
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
    max-width: 1200px;
    margin: 0 auto;
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 700;
}

.brand-mark {
    inline-size: 28px;
    block-size: 28px;
    border-radius: 8px;
    background: var(--primary);
    outline: 1px solid var(--primary-strong);
}

.search {
    display: none;
}

.actions {
    display: flex;
    gap: var(--space-2);
    align-items: center;
}

.btn {
    border: 1px solid var(--muted-2);
    background: var(--surface);
    padding: .5rem .75rem;
    border-radius: .6rem;
    cursor: pointer;
}

    .btn:where(:hover,:focus-visible) {
        border-color: var(--muted);
    }

/* Sidebar */
#nav-toggle {
    display: none;
}

.layout {
    display: flex;
    gap: 0;
  /*  max-width: 1200px;*/
    margin: 0 auto;
    width: 100%;
}

aside {
    background: var(--surface);
    border-right: 1px solid var(--muted-2);
    width: 260px;
    padding: var(--space-4);
    transform: translateX(-100%);
    transition: transform .25s ease;
    position: fixed;
    inset-block-start: 56px;
    inset-inline-start: 0;
    inset-block-end: 0;
    overflow: auto;
}

#nav-toggle:checked ~ .layout aside {
    transform: none;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: .25rem;
}

nav a {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .6rem .75rem;
    border-radius: .6rem;
    border: 1px solid transparent;
}

    nav a:hover {
        background: color-mix(in srgb, var(--text) 6%, transparent);
    }

    nav a[aria-current="page"] {
        background: color-mix(in srgb, var(--primary) 12%, transparent);
        border-color: color-mix(in srgb, var(--primary) 30%, transparent);
        outline: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
    }

.menu-title {
    font-size: .8rem;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--muted);
    margin: var(--space-3) 0 var(--space-2);
}

/* Main */
main {
    flex: 1;
    padding: var(--space-4);
    margin-inline: auto;
    width: 100%;
}

.content {
    margin-inline: 18px;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.breadcrumbs {
    font-size: .9rem;
    color: var(--muted);
}

.page-title {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-4);
}

    .page-title h1 {
        margin: .25rem 0 0;
        font-size: 1.375rem;
    }

.filters {
    display: flex;
    gap: .5rem;
    align-items: center;
    flex-wrap: wrap;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    border: 1px solid var(--muted-2);
    background: var(--surface);
    padding: .375rem .6rem;
    border-radius: 999px;
    font-size: .9rem;
}

/* KPI cards */
.cards {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.card {
    flex: 1 1 260px;
    min-width: 240px;
    background: var(--surface);
    border: 1px solid var(--muted-2);
    border-radius: var(--radius);
    padding: var(--space-4);
}

    .card h3 {
        margin: 0 0 .25rem;
        font-size: .95rem;
        color: var(--muted);
    }

.value {
    font-size: 1.6rem;
    font-weight: 700;
}

.delta {
    display: inline-block;
    margin-top: .4rem;
    font-size: .9rem;
    padding: .2rem .5rem;
    border-radius: 999px;
    border: 1px solid var(--muted-2);
}

.pi {
    color: var(--primary-strong);
}

.po {
    color: var(--accent-strong);
}

/* Tabs: Pay-in / Payout */
.tabs {
    background: var(--surface);
    border: 1px solid var(--muted-2);
    border-radius: var(--radius);
}

.tab-head {
    display: flex;
    gap: .5rem;
    padding: var(--space-2);
    border-bottom: 1px solid var(--muted-2);
}

.tab-btn {
    flex: 0 0 auto;
    padding: .5rem .8rem;
    border-radius: .6rem;
    border: 1px solid transparent;
    cursor: pointer;
}

    .tab-btn:hover {
        background: color-mix(in srgb, var(--text) 6%, transparent);
    }
/* radio controls */
.tab-controls {
    display: none;
}

#tab-payin:checked ~ .tabs .btn-payin,
#tab-payout:checked ~ .tabs .btn-payout {
    background: color-mix(in srgb, var(--text) 6%, transparent);
    border-color: var(--muted-2);
    font-weight: 600;
}

.tab-content > section {
    display: none;
    padding: var(--space-4);
}

#tab-payin:checked ~ .tabs .panel-payin {
    display: block;
}

#tab-payout:checked ~ .tabs .panel-payout {
    display: block;
}

/* Chart */
.chart {
    display: grid;
    gap: var(--space-4);
}

.chart-legend {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: .92rem;
}

.legend-dot {
    inline-size: .75rem;
    block-size: .75rem;
    border-radius: 50%;
}

.legend-pi {
    background: var(--primary);
    outline: 1px solid var(--primary-strong);
}

.legend-po {
    background: var(--accent);
    outline: 1px solid var(--accent-strong);
}

.bars {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(36px, 1fr);
    gap: var(--space-3);
    align-items: end;
    border-block-start: 1px dashed var(--muted-2);
    padding-block-start: var(--space-4);
    min-height: 180px;
}

.bargroup {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .35rem;
    align-items: end;
}

.bar {
    border-radius: .4rem .4rem 0 0;
    display: block;
    inline-size: 100%;
    background: var(--primary);
    height: calc(var(--h, 40) * 1px);
    outline: 1px solid color-mix(in srgb, var(--primary) 50%, var(--text));
}

    .bar.payout {
        background: var(--accent);
        outline: 1px solid color-mix(in srgb, var(--accent) 50%, var(--text));
    }

.month {
    text-align: center;
    font-size: .8rem;
    color: var(--muted);
    margin-top: .4rem;
}

/* Table */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 8px;
}

thead th {
    text-align: left;
    font-size: .85rem;
    color: var(--muted);
    padding: .5rem .75rem;
}

tbody tr {
    background: var(--surface);
    border: 1px solid var(--muted-2);
}

tbody td {
    padding: .8rem .75rem;
    border-top: 1px solid var(--muted-2);
}

tbody tr:first-child td {
    border-top: none;
}

.status {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .25rem .5rem;
    border-radius: 999px;
    font-size: .85rem;
    border: 1px solid var(--muted-2);
}

.dot {
    inline-size: .5rem;
    block-size: .5rem;
    border-radius: 50%;
}

.ok {
    background: var(--primary);
    outline: 1px solid var(--primary-strong);
}

.warn {
    background: var(--accent);
    outline: 1px solid var(--accent-strong);
}

/* Footer */
footer {
    color: var(--muted);
    font-size: .9rem;
    padding: var(--space-6) var(--space-4);
    text-align: center;
}

/* Responsive */

/* Responsive */
@media (min-width: 960px) {
    .search {
        display: block;
        flex: 1;
    }

        .search input {
            width: 100%;
            padding: .6rem .8rem;
            border-radius: .6rem;
            border: 1px solid var(--muted-2);
            background: var(--bg);
        }

    .menu-toggle-btn {
        display: none;
    }

    aside {
        position: static;
        transform: none;
        width: 260px;
        inset: auto;
        height: auto;
    }

    .layout {
        gap: 0;
    }

    main {
        padding: var(--space-6) var(--space-6);
    }

   /* .content {
        max-width: calc(1200px - 260px);
    }*/
}