:root {
    --bg: #f4f7fb;
    --panel: #ffffff;
    --ink: #142033;
    --muted: #667085;
    --line: #dde4ef;
    --navy: #18345d;
    --blue: #2563eb;
    --teal: #0f9f8f;
    --green: #16a34a;
    --red: #dc2626;
    --amber: #d97706;
}

* {
    letter-spacing: 0;
}

body {
    background: var(--bg);
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #eef5ff 0%, #f9fbfd 48%, #edfdf8 100%);
}

.auth-card {
    width: min(440px, calc(100vw - 32px));
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 32px;
    box-shadow: 0 18px 50px rgba(24, 52, 93, .12);
}

.app-shell {
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 268px;
    background: #132744;
    color: #e6edf8;
    padding: 22px 16px;
    overflow-y: auto;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    text-decoration: none;
    margin-bottom: 28px;
}

.brand-icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: #1f6feb;
}

.brand small {
    display: block;
    color: #9fb1c9;
    font-size: .78rem;
}

.sidebar-nav {
    gap: 4px;
}

.sidebar .nav-link {
    min-height: 40px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #d8e1ef;
    border-radius: 8px;
    padding: 10px 12px;
    font-size: .94rem;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background: rgba(255, 255, 255, .1);
    color: #fff;
}

.sidebar .nav-link i {
    width: 20px;
    text-align: center;
}

.nav-section {
    color: #8ea2bd;
    font-size: .72rem;
    text-transform: uppercase;
    font-weight: 700;
    margin: 18px 12px 6px;
}

.main-panel {
    margin-left: 268px;
    min-height: 100vh;
}

.topbar {
    min-height: 86px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 20px 28px;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
}

.content-wrap {
    padding: 24px 28px 40px;
}

.eyebrow {
    color: var(--muted);
    font-size: .78rem;
    text-transform: uppercase;
    font-weight: 700;
}

.page-title {
    font-size: 1.35rem;
    font-weight: 750;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.user-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 34px;
    padding: 6px 12px;
    background: #f6f8fb;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--muted);
    font-size: .9rem;
}

.icon-text {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.kpi-card,
.panel-card,
.table-panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 10px 28px rgba(20, 32, 51, .05);
}

.kpi-card {
    padding: 18px;
    min-height: 128px;
}

.kpi-card .icon {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    color: #fff;
    background: var(--blue);
}

.kpi-label {
    color: var(--muted);
    font-size: .85rem;
    margin-top: 12px;
}

.kpi-value {
    font-weight: 780;
    font-size: 1.45rem;
    line-height: 1.25;
    overflow-wrap: anywhere;
}

.panel-card {
    padding: 18px;
}

.section-title {
    font-size: 1rem;
    font-weight: 750;
    margin-bottom: 14px;
}

.chart-box {
    position: relative;
    min-height: 300px;
}

.mini-chart {
    min-height: 240px;
}

.filter-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    align-items: end;
}

.table-panel {
    overflow: hidden;
}

.table-panel .table {
    margin-bottom: 0;
}

.table thead th {
    background: #f8fafc;
    color: #475467;
    font-size: .82rem;
    text-transform: uppercase;
    white-space: nowrap;
}

.table td,
.table th {
    vertical-align: middle;
}

.action-buttons {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.product-stack,
.region-stack {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.product-stack li,
.region-stack li {
    padding: 3px 0;
    border-bottom: 1px solid #eef2f7;
}

.product-stack li:last-child,
.region-stack li:last-child {
    border-bottom: 0;
}

.status-dot {
    width: 8px;
    height: 8px;
    display: inline-block;
    border-radius: 99px;
    margin-right: 6px;
}

.empty-state {
    padding: 34px;
    text-align: center;
    color: var(--muted);
}

.detail-list {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 10px 16px;
}

.detail-list dt {
    color: var(--muted);
    font-weight: 600;
}

.detail-list dd {
    margin: 0;
}

.print-report {
    background: #fff;
    color: #111827;
}

@media (max-width: 1180px) {
    .kpi-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .filter-bar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .sidebar {
        position: static;
        width: 100%;
        height: auto;
        border-radius: 0;
    }

    .main-panel {
        margin-left: 0;
    }

    .topbar {
        align-items: flex-start;
        flex-direction: column;
        padding: 18px;
    }

    .content-wrap {
        padding: 18px;
    }

    .kpi-grid,
    .filter-bar {
        grid-template-columns: 1fr;
    }

    .detail-list {
        grid-template-columns: 1fr;
    }
}