:root {
    --hca-bg: #0b0f14;
    --hca-surface: #131a22;
    --hca-text: #e6edf3;
    --hca-muted: #8b98a5;
    --hca-accent: #3b82f6;
    --hca-error: #ef4444;
    --hca-success: #22c55e;
    --hca-border: #223041;

    /* Admin dashboard chrome — dark sidebar + colorful stat cards,
       modeled on the WHMCS admin dashboard look per Wayne's explicit
       reference (2026-08-15). Distinct from the storefront's own
       --hca-* tokens above since the admin panel is a deliberately
       different visual register (dense, operational) from the
       customer-facing storefront (spacious, sales-oriented). */
    --admin-sidebar-bg: #10151d;
    --admin-topbar-bg: #161e29;
    --admin-nav-active-bg: #1d4ed8;
    --admin-card-green: #22c55e;
    --admin-card-pink: #ec4899;
    --admin-card-orange: #f97316;
    --admin-card-blue: #3b82f6;

    /* Admin CONTENT area only (right of the sidebar) — light, matching
       the reference screenshot's actual palette (white cards on a pale
       gray page), not the dark storefront theme above. The sidebar/
       topbar stay dark (that part already matched). */
    --admin-content-bg: #eef1f6;
    --admin-panel-bg: #ffffff;
    --admin-panel-border: #e2e6ec;
    --admin-text: #1f2937;
    --admin-text-muted: #6b7280;
    --admin-input-bg: #ffffff;
    --admin-input-border: #d1d5db;
}

* {
    box-sizing: border-box;
}

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

.auth-shell,
.admin-shell {
    max-width: 480px;
    margin: 4rem auto;
    padding: 2rem;
    background: var(--hca-surface);
    border: 1px solid var(--hca-border);
    border-radius: 8px;
}

.landing {
    max-width: 640px;
    margin: 4rem auto;
    padding: 2rem;
    background: var(--hca-surface);
    border: 1px solid var(--hca-border);
    border-radius: 8px;
}

h1 {
    margin-top: 0;
}

p.error {
    color: var(--hca-error);
}

p.success {
    color: var(--hca-success);
}

label {
    display: block;
    margin-bottom: 1rem;
    color: var(--hca-muted);
}

input,
textarea,
select {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    padding: 0.5rem;
    background: var(--hca-bg);
    border: 1px solid var(--hca-border);
    border-radius: 4px;
    color: var(--hca-text);
    font-family: inherit;
}

button {
    padding: 0.5rem 1rem;
    background: var(--hca-accent);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

/* ---- Site chrome (nav / layout) ---- */

.site-header {
    background: var(--hca-surface);
    border-bottom: 1px solid var(--hca-border);
}

.site-nav {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.site-nav a,
.site-nav .nav-logout-form button {
    color: var(--hca-text);
    text-decoration: none;
}

.site-nav a:hover,
.site-nav .nav-logout-form button:hover {
    color: var(--hca-accent);
}

.site-brand {
    font-weight: 700;
    margin-right: auto;
}

.nav-logout-form {
    margin: 0;
    display: inline;
}

.nav-logout-form button {
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    cursor: pointer;
}

.site-main {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* ---- Storefront ---- */

.category-filter {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.category-filter a {
    color: var(--hca-muted);
    text-decoration: none;
}

.category-filter a.active,
.category-filter a:hover {
    color: var(--hca-text);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
}

.product-card {
    display: block;
    padding: 1.25rem;
    background: var(--hca-surface);
    border: 1px solid var(--hca-border);
    border-radius: 8px;
    color: var(--hca-text);
    text-decoration: none;
}

.product-card:hover {
    border-color: var(--hca-accent);
}

.product-card h2 {
    font-size: 1.05rem;
    margin: 0 0 0.5rem;
}

.price {
    font-weight: 600;
    color: var(--hca-accent);
}

.stock-warning {
    color: var(--hca-error);
}

.stock-note {
    color: var(--hca-muted);
    font-size: 0.9rem;
}

.note {
    color: var(--hca-muted);
    font-size: 0.9rem;
}

/* ---- Cart / checkout ---- */

.cart-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

.cart-table th,
.cart-table td {
    text-align: left;
    padding: 0.6rem 0.5rem;
    border-bottom: 1px solid var(--hca-border);
}

.cart-table input[type="number"] {
    width: 5rem;
    margin-top: 0;
}

.remove-item-form {
    display: inline-block;
    margin: 0 0.5rem 0.5rem 0;
}

.remove-item-form button {
    background: var(--hca-surface);
    border: 1px solid var(--hca-border);
    color: var(--hca-muted);
}

.discount-form {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
    max-width: 320px;
    margin: 1.5rem 0;
}

.discount-form label {
    flex: 1;
    margin-bottom: 0;
}

.cart-totals {
    text-align: right;
    max-width: 320px;
    margin-left: auto;
}

.cart-totals .total {
    font-size: 1.2rem;
    font-weight: 700;
}

.checkout-button {
    display: inline-block;
    padding: 0.6rem 1.25rem;
    background: var(--hca-accent);
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
}

.order-summary {
    background: var(--hca-surface);
    border: 1px solid var(--hca-border);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.order-summary ul {
    padding-left: 1.25rem;
}

/* ---- Admin: dashboard chrome (sidebar + topbar) ---- */
/* .auth-shell/.admin-shell (used by the login screen, which has no
   sidebar yet) are already defined near the top of this file. */

.admin-body {
    background: var(--hca-bg);
}

.admin-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--admin-topbar-bg);
    border-bottom: 1px solid var(--hca-border);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    z-index: 10;
}

.admin-topbar-brand {
    font-weight: 700;
    color: var(--hca-text);
}

.admin-topbar-spacer {
    flex: 1;
}

.admin-topbar-user {
    color: var(--hca-muted);
    font-size: 0.9rem;
    margin-right: 1rem;
}

.admin-topbar-logout {
    margin: 0;
}

.admin-topbar-logout button {
    background: none;
    border: none;
    padding: 0.25rem;
    color: var(--hca-muted);
    cursor: pointer;
    display: flex;
}

.admin-topbar-logout button:hover {
    color: var(--hca-text);
}

.admin-sidebar {
    position: fixed;
    top: 56px;
    bottom: 0;
    left: 0;
    width: 220px;
    background: var(--admin-sidebar-bg);
    border-right: 1px solid var(--hca-border);
    padding: 1rem 0;
    overflow-y: auto;
}

.admin-sidebar nav {
    display: flex;
    flex-direction: column;
}

.admin-sidebar a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1.5rem;
    color: var(--hca-muted);
    text-decoration: none;
    font-size: 0.92rem;
    border-left: 3px solid transparent;
}

.admin-sidebar a svg {
    flex-shrink: 0;
}

.admin-sidebar a:hover {
    color: var(--hca-text);
    background: rgba(255, 255, 255, 0.03);
}

.admin-sidebar a.active {
    color: #fff;
    background: var(--admin-nav-active-bg);
    border-left-color: #fff;
}

.admin-nav-future {
    padding: 0.7rem 1.5rem;
    color: #3a4553;
    font-size: 0.92rem;
    cursor: default;
}

.admin-content {
    margin-left: 220px;
    padding: 1.75rem 2rem;
    padding-top: calc(56px + 1.75rem);
    background: var(--admin-content-bg);
    color: var(--admin-text);
    min-height: 100vh;
}

.admin-content h1 {
    font-size: 1.4rem;
    color: var(--admin-text);
}

.admin-content a {
    color: var(--hca-accent);
}

.admin-content label {
    color: var(--admin-text-muted);
}

.admin-content input,
.admin-content select,
.admin-content textarea {
    background: var(--admin-input-bg);
    border: 1px solid var(--admin-input-border);
    color: var(--admin-text);
}

.admin-content p.error {
    color: #dc2626;
}

.admin-content p.success {
    color: #16a34a;
}

/* ---- Admin: stat cards ---- */

.stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.25rem;
    margin: 1.5rem 0 2rem;
}

.stat-card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    padding: 1.25rem 1.5rem;
    color: #fff;
}

.stat-card .stat-icon {
    position: absolute;
    right: -0.5rem;
    bottom: -0.5rem;
    opacity: 0.25;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    opacity: 0.9;
}

.stat-card .stat-phase-tag {
    display: inline-block;
    margin-top: 0.4rem;
    font-size: 0.7rem;
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.25);
}

.stat-card.green { background: var(--admin-card-green); }
.stat-card.pink { background: var(--admin-card-pink); }
.stat-card.orange { background: var(--admin-card-orange); }
.stat-card.blue { background: var(--admin-card-blue); }

/* ---- Admin: panel widgets ---- */

.admin-panels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.admin-panels.wide-left {
    grid-template-columns: 2fr 1fr;
}

@media (max-width: 900px) {
    .admin-panels.wide-left {
        grid-template-columns: 1fr;
    }
}

.admin-panel {
    background: var(--admin-panel-bg);
    border: 1px solid var(--admin-panel-border);
    border-radius: 8px;
    padding: 1.25rem;
    box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
}

.admin-panel h2 {
    font-size: 0.85rem;
    margin: 0 0 1rem;
    color: var(--admin-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.admin-panel table {
    width: 100%;
    border-collapse: collapse;
}

.admin-panel th,
.admin-panel td {
    text-align: left;
    padding: 0.5rem 0.4rem;
    border-bottom: 1px solid var(--admin-panel-border);
    font-size: 0.9rem;
    color: var(--admin-text);
}

.admin-form-panel {
    background: var(--admin-panel-bg);
    border: 1px solid var(--admin-panel-border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 1.5rem;
    max-width: 480px;
    box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
}

.admin-form-panel h2 {
    color: var(--admin-text);
    font-size: 1.1rem;
    text-transform: none;
    letter-spacing: normal;
}

/* ---- Admin: dashboard sub-widgets ---- */

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.55rem 0;
    border-bottom: 1px solid var(--admin-panel-border);
    font-size: 0.9rem;
}

.metric-row:last-child {
    border-bottom: none;
}

.metric-row .metric-value {
    font-weight: 700;
    color: var(--admin-text);
}

.phase-tag {
    font-size: 0.68rem;
    color: var(--admin-text-muted);
    background: #f0f2f5;
    border: 1px solid var(--admin-panel-border);
    padding: 0.05rem 0.4rem;
    border-radius: 999px;
    margin-left: 0.5rem;
}

.revenue-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.revenue-grid div {
    padding: 0.5rem 0;
}

.revenue-grid .revenue-label {
    font-size: 0.75rem;
    color: var(--admin-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.revenue-grid .revenue-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--admin-text);
}

.revenue-grid .revenue-value.green { color: var(--admin-card-green); }
.revenue-grid .revenue-value.orange { color: var(--admin-card-orange); }
.revenue-grid .revenue-value.pink { color: var(--admin-card-pink); }

/* Matches WHMCS's real Automation Overview: a 2-column grid of small
   stat blocks, each with a colored top rule, not a single-column list
   (that shape is used for Support/Client Activity/Staff Online instead,
   where WHMCS itself uses a plain row list). */
.automation-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem 1.5rem;
}

.automation-stat {
    border-top: 2px solid var(--admin-panel-border);
    padding-top: 0.5rem;
}

.automation-stat .automation-label {
    font-size: 0.78rem;
    color: var(--admin-text-muted);
}

.automation-stat .automation-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--admin-text);
}

.health-bar-track {
    height: 8px;
    border-radius: 999px;
    background: #eef1f6;
    overflow: hidden;
    margin: 0.5rem 0 0.75rem;
}

.health-bar-fill {
    height: 100%;
    background: var(--admin-card-green);
    border-radius: 999px;
}

.health-status {
    font-weight: 700;
    color: var(--admin-card-green);
}

.health-checks {
    list-style: none;
    padding: 0;
    margin: 0.75rem 0 0;
    font-size: 0.85rem;
    color: var(--admin-text-muted);
}

.health-checks li {
    padding: 0.2rem 0;
}

.health-checks li.ok::before {
    content: "✓ ";
    color: var(--admin-card-green);
}

.health-checks li.fail::before {
    content: "✗ ";
    color: #dc2626;
}

.promo-panel {
    background: linear-gradient(135deg, #1d4ed8, #3b82f6);
    color: #fff;
    border-radius: 8px;
    padding: 1.5rem;
}

.promo-panel h2 {
    color: #fff;
    opacity: 0.85;
}

.promo-panel a {
    color: #fff;
    font-weight: 600;
}

.order-chart {
    width: 100%;
    height: auto;
}

.order-chart-empty {
    color: var(--admin-text-muted);
    font-size: 0.9rem;
    padding: 2rem 0;
    text-align: center;
}