*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    color-scheme: light;
    --bg: #eef2f7;
    --surface: #ffffff;
    --surface-alt: #f6f8fb;
    --border: #d7dee8;
    --text: #112033;
    --muted: #5b6b7d;
    --muted-soft: #7f8ea2;
    --brand: #2353d8;
    --brand-strong: #1339a8;
    --green: #177245;
    --green-soft: #eaf7f0;
    --amber: #9a5b00;
    --amber-soft: #fff4da;
    --ink: #0d1726;
    --shadow: 0 10px 28px rgba(19, 37, 63, 0.08);
    --radius: 8px;
    --radius-lg: 12px;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: "Inter", system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
}

button,
input {
    font: inherit;
}

button {
    cursor: pointer;
}

.shell-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

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

.brand-mark {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: linear-gradient(140deg, var(--brand), #5c7df0);
    color: #fff;
    font-weight: 800;
}

.brand-name {
    font-size: 18px;
    font-weight: 800;
}

.brand-sub {
    color: var(--muted);
    font-size: 13px;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.health-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface-alt);
    color: var(--muted);
    font-size: 13px;
    font-weight: 600;
}

.health-pill.online {
    background: var(--green-soft);
    color: var(--green);
    border-color: #bfdcc8;
}

.health-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
}

.layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    min-height: calc(100vh - 79px);
}

.sidebar {
    padding: 24px 16px;
    border-right: 1px solid var(--border);
    background: var(--surface);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sidebar-link {
    border: 0;
    background: transparent;
    color: var(--muted);
    text-align: left;
    padding: 11px 12px;
    border-radius: var(--radius);
    font-weight: 600;
}

.sidebar-link.active {
    background: #e8eefc;
    color: var(--brand-strong);
}

.workspace {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.hero-band {
    background: linear-gradient(135deg, #0f1f37, #1a4cca);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    justify-content: space-between;
    gap: 18px;
    box-shadow: var(--shadow);
}

.eyebrow,
.surface-kicker,
.hero-stat-label {
    margin: 0 0 8px;
    text-transform: uppercase;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0;
}

.hero-band h1 {
    margin: 0 0 10px;
    font-size: 30px;
    line-height: 1.15;
}

.hero-copy {
    max-width: 720px;
    margin: 0;
    color: rgba(255, 255, 255, 0.84);
}

.hero-stats {
    min-width: 220px;
    display: grid;
    gap: 14px;
    align-content: start;
}

.hero-stats strong {
    display: block;
    font-size: 18px;
}

.panel {
    display: none;
}

.panel.active {
    display: block;
}

.kpi-grid,
.content-grid {
    display: grid;
    gap: 16px;
}

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

.content-grid {
    margin-top: 16px;
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.95fr);
}

.single-column {
    grid-template-columns: 1fr;
}

.kpi-card,
.surface,
.plan-card,
.supplier-card,
.mini-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.kpi-card {
    padding: 18px;
    display: grid;
    gap: 10px;
}

.accent-card {
    background: linear-gradient(180deg, #f8fbff, #edf3ff);
}

.kpi-label,
.kpi-foot {
    color: var(--muted);
    font-size: 13px;
}

.kpi-value {
    font-size: 30px;
    font-weight: 800;
    line-height: 1;
}

.kpi-value-sm {
    font-size: 22px;
}

.surface {
    padding: 18px;
}

.surface-head {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 16px;
    margin-bottom: 18px;
}

.surface-head h2 {
    margin: 0;
    font-size: 20px;
}

.status-badge {
    padding: 7px 10px;
    border-radius: 999px;
    background: var(--amber-soft);
    color: var(--amber);
    font-size: 12px;
    font-weight: 700;
}

.stack-list,
.promise-list,
.flow-list,
.result-stack {
    display: grid;
    gap: 12px;
}

.empty-state,
.empty-inline {
    color: var(--muted);
}

.product-row {
    width: 100%;
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr) auto;
    gap: 14px;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-alt);
    padding: 14px;
}

.product-row:hover {
    border-color: #b7c7eb;
    background: #f0f4fe;
}

.product-rank {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: #dfe8fb;
    color: var(--brand-strong);
    font-weight: 800;
}

.product-main {
    min-width: 0;
    display: grid;
    gap: 4px;
    text-align: left;
}

.product-main strong {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-main small,
.product-meta {
    color: var(--muted);
}

.product-meta {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.trend-chip {
    padding: 4px 8px;
    border-radius: 999px;
    background: #ebf4ed;
    color: var(--green);
    font-size: 12px;
    font-weight: 700;
}

.promise-item {
    display: grid;
    grid-template-columns: 12px 1fr;
    gap: 12px;
    align-items: start;
}

.promise-item span {
    width: 12px;
    height: 12px;
    margin-top: 5px;
    border-radius: 50%;
    background: var(--brand);
}

.promise-item p,
.flow-list p,
.supplier-card p,
.supplier-item p,
.detail-hero p,
.growth-callout {
    margin: 0;
    color: var(--muted);
}

.plans-grid,
.supplier-columns,
.supplier-split,
.mini-grid {
    display: grid;
    gap: 12px;
}

.plans-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 16px;
}

.plan-card {
    padding: 14px;
    display: grid;
    gap: 6px;
}

.plan-card span,
.plan-card small {
    color: var(--muted);
}

.plan-card strong {
    font-size: 17px;
}

.detail-layout {
    display: grid;
    gap: 16px;
}

.detail-hero,
.mini-card,
.detail-section,
.source-row,
.supplier-item,
.supplier-card,
.flow-list article {
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-alt);
}

.detail-hero {
    display: flex;
    justify-content: space-between;
    gap: 14px;
}

.detail-hero h3,
.detail-section h4,
.supplier-column h3 {
    margin: 0 0 6px;
}

.detail-pills {
    display: grid;
    gap: 8px;
    align-content: start;
}

.detail-pills span {
    padding: 6px 9px;
    border-radius: 999px;
    background: #e8eefc;
    color: var(--brand-strong);
    font-size: 12px;
    font-weight: 700;
    text-align: center;
}

.mini-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mini-card {
    display: grid;
    gap: 6px;
}

.mini-card span {
    color: var(--muted);
    font-size: 13px;
}

.mini-card strong {
    font-size: 20px;
}

.region-row {
    display: grid;
    grid-template-columns: 110px 1fr 42px;
    gap: 10px;
    align-items: center;
    margin-top: 10px;
}

.region-row span {
    color: var(--muted);
    font-size: 13px;
}

.region-bar {
    height: 12px;
    border-radius: 999px;
    background: #dde6f4;
    overflow: hidden;
}

.region-bar i {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--brand), #6d89ef);
}

.inline-form {
    display: flex;
    gap: 10px;
    margin-bottom: 18px;
}

.field-input {
    width: 100%;
    min-width: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 13px;
    background: var(--surface-alt);
    color: var(--text);
}

.primary-btn,
.secondary-btn {
    border: 0;
    border-radius: var(--radius);
    padding: 12px 16px;
    font-weight: 700;
    white-space: nowrap;
}

.primary-btn {
    background: var(--brand);
    color: #fff;
}

.primary-btn:hover {
    background: var(--brand-strong);
}

.secondary-btn {
    background: #e8eefc;
    color: var(--brand-strong);
}

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

.supplier-column {
    display: grid;
    gap: 10px;
}

.supplier-card strong,
.supplier-item strong,
.source-row strong {
    display: block;
    margin-bottom: 4px;
}

.supplier-card small,
.source-row small,
.source-row span {
    color: var(--muted);
}

.source-row {
    display: grid;
    gap: 4px;
}

.flow-list article {
    display: grid;
    gap: 6px;
}

.overlay {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    background: rgba(10, 20, 34, 0.36);
}

.overlay[hidden] {
    display: none;
}

.loader-card {
    padding: 22px 24px;
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    text-align: center;
    min-width: 220px;
}

.loader-ring {
    width: 36px;
    height: 36px;
    margin: 0 auto 12px;
    border: 3px solid #dfe7f7;
    border-top-color: var(--brand);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.toast-wrap {
    position: fixed;
    top: 18px;
    right: 18px;
    display: grid;
    gap: 8px;
    z-index: 10;
}

.toast {
    padding: 11px 14px;
    border-radius: var(--radius);
    background: #ecf7f0;
    color: var(--green);
    border: 1px solid #c5e2ce;
    box-shadow: var(--shadow);
}

.toast.err {
    background: #fff1f1;
    color: #a53030;
    border-color: #f0c2c2;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 1100px) {
    .kpi-grid,
    .content-grid,
    .plans-grid,
    .supplier-columns,
    .mini-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .content-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 860px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        border-right: 0;
        border-bottom: 1px solid var(--border);
        flex-direction: row;
        overflow-x: auto;
    }

    .hero-band,
    .detail-hero,
    .shell-topbar,
    .topbar-actions,
    .inline-form {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 640px) {
    .workspace,
    .shell-topbar {
        padding: 16px;
    }

    .kpi-grid,
    .plans-grid,
    .supplier-columns,
    .mini-grid {
        grid-template-columns: 1fr;
    }

    .product-row,
    .region-row {
        grid-template-columns: 1fr;
    }

    .product-meta {
        justify-content: flex-start;
    }
}