:root {
    --bg:           #0f172a;
    --surface:      #1e293b;
    --surface-2:    #1a2233;
    --text:         #e2e8f0;
    --text-muted:   #94a3b8;
    --border:       rgba(255, 255, 255, 0.08);
    --accent:       #0ea5e9;
    --accent-hover: #38bdf8;
    --success:      #10b981;
    --warning:      #f59e0b;
    --danger:       #ef4444;
    --info:         #3b82f6;
    --radius:       0.5rem;
    --shadow:       0 10px 30px rgba(0, 0, 0, 0.35);
}

html, body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

/* Bootstrap dark-theme tightening: make cards/tables/inputs read clearly
   on the dark background that Bootstrap's data-bs-theme="dark" produces. */
.card {
    background: var(--surface-2);
    color: var(--text);
    border-color: var(--border);
}
.card-header { border-color: var(--border); }
.card-header.bg-success { color: #fff !important; }
.card-body { color: var(--text); }

.text-muted, .form-text {
    color: var(--text-muted) !important;
}

/* Tables — Bootstrap dark mode handles most, but tighten background + hover. */
.table {
    --bs-table-bg:           var(--surface-2);
    --bs-table-color:        var(--text);
    --bs-table-border-color: var(--border);
    --bs-table-hover-bg:     rgba(255, 255, 255, 0.04);
    --bs-table-hover-color:  var(--text);
}
.table > :not(caption) > * > * { color: var(--text); }
.table thead th {
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.8rem;
    font-weight: 600;
    border-color: var(--border);
}

/* Form inputs — Bootstrap dark mode usually handles these; lock contrast */
.form-control, .form-select {
    background-color: var(--bg);
    color: var(--text);
    border-color: var(--border);
}
.form-control:focus, .form-select:focus {
    background-color: var(--bg);
    color: var(--text);
    border-color: var(--accent);
    box-shadow: 0 0 0 0.2rem rgba(14, 165, 233, 0.25);
}
.form-control::placeholder { color: var(--text-muted); opacity: 0.7; }
.form-label { color: var(--text); }

/* Breadcrumbs */
.breadcrumb { background: transparent; }
.breadcrumb-item, .breadcrumb-item a { color: var(--text-muted); }
.breadcrumb-item.active { color: var(--text); }

/* Modal content already styled below; mirror to Bootstrap's .modal-content */
.modal-content {
    background: var(--surface-2);
    color: var(--text);
    border-color: var(--border);
}
.modal-header, .modal-footer { border-color: var(--border); }

/* Code blocks in views (e.g. install command) */
pre.bg-dark { background: #0b1220 !important; color: #e2e8f0 !important; }
code { color: #f8a5c2; background: rgba(255,255,255,0.04); padding: 0.05em 0.3em; border-radius: 0.25rem; }
pre code { color: inherit; background: transparent; padding: 0; }

/* Big display numbers on customer detail counter cards */
.display-6 { font-weight: 700; letter-spacing: -0.02em; }

/* Top nav */
.admin-topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2);
}
.admin-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0.75rem 1.5rem;
}
.admin-brand {
    color: var(--text);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.admin-brand:hover { color: var(--accent); text-decoration: none; }
.admin-nav-list {
    list-style: none;
    display: flex;
    gap: 0.25rem;
    margin: 0;
    padding: 0;
    flex: 1;
}
.admin-nav-link {
    display: inline-block;
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius);
    color: var(--text-muted);
    font-size: 0.925rem;
}
.admin-nav-link:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    text-decoration: none;
}
.admin-nav-link.is-active {
    background: rgba(14, 165, 233, 0.15);
    color: var(--accent);
}
.admin-nav-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.admin-operator {
    color: var(--text-muted);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.admin-logout-form { margin: 0; }

/* Main */
.admin-main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.5rem;
}

/* Flash */
.admin-flash-wrap {
    max-width: 1280px;
    margin: 1rem auto 0;
    padding: 0 1.5rem;
}
.admin-flash { margin-bottom: 0; }

/* Modal + Confirm shells */
.admin-modal-shell[hidden],
.admin-confirm-shell[hidden] {
    display: none;
}
.admin-modal-shell,
.admin-confirm-shell {
    position: fixed;
    inset: 0;
    z-index: 1080;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.admin-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(7, 12, 24, 0.65);
    backdrop-filter: blur(2px);
}
.admin-modal-shell .modal-dialog,
.admin-confirm-shell .modal-dialog {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 640px;
    max-height: calc(100vh - 2rem);
    display: flex;
    flex-direction: column;
}
.admin-modal-content,
.admin-confirm-content {
    background: var(--surface-2);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    max-height: 100%;
    overflow: hidden;
}
.admin-modal-content .modal-body,
.admin-confirm-content .modal-body {
    overflow-y: auto;
    overscroll-behavior: contain;
}
.admin-modal-content .modal-header,
.admin-confirm-content .modal-header,
.admin-modal-content .modal-footer,
.admin-confirm-content .modal-footer {
    flex-shrink: 0;
    border-color: var(--border);
}
.admin-modal-x {
    position: absolute;
    top: 0.5rem;
    right: 0.75rem;
    filter: invert(1) grayscale(1) brightness(2);
    z-index: 2;
}
.admin-confirm-error {
    color: var(--danger);
    font-size: 0.9rem;
    margin: 0.5rem 0 0;
}

/* Forms */
.field-error {
    color: var(--danger);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}
.admin-form-error-general {
    color: var(--danger);
    font-size: 0.9rem;
    margin: 0 0 0.75rem;
}
.admin-form label {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
    display: block;
}
.admin-form input[type="text"],
.admin-form input[type="email"],
.admin-form input[type="password"],
.admin-form input[type="number"],
.admin-form input[type="search"],
.admin-form textarea,
.admin-form select {
    width: 100%;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.45rem 0.65rem;
}
.admin-form input:focus,
.admin-form textarea:focus,
.admin-form select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

/* Tables */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.admin-table th,
.admin-table td {
    padding: 0.65rem 0.85rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 0.925rem;
}
.admin-table thead th {
    background: var(--surface);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.admin-table tbody tr:last-child td { border-bottom: 0; }
.admin-table tbody tr:hover { background: rgba(255, 255, 255, 0.02); }

/* Buttons — loading state */
.btn[disabled],
.btn.is-loading {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}
.btn .spinner-border-sm {
    width: 0.95rem;
    height: 0.95rem;
    margin-right: 0.4rem;
    vertical-align: -0.15em;
}

/* Cards */
.admin-card {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
}

/* Muted text helper */
.admin-muted { color: var(--text-muted); }

/* ========================================================================
   Catalogue — Plans & Offerings (056-admin-plans-offerings)
   ======================================================================== */

/* Filter chips (status filter bar in Plans / Offerings list) */
.filter-chip {
    display: inline-block;
    padding: 0.3rem 0.85rem;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid transparent;
    text-decoration: none;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    cursor: pointer;
}
.filter-chip:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
    text-decoration: none;
}
.filter-chip.active {
    background: rgba(14, 165, 233, 0.18);
    color: var(--accent);
    border-color: rgba(14, 165, 233, 0.4);
}

/* Inline sort-order number input (Plans & Offerings table) */
input[data-inline-sort-order] {
    width: 70px;
    padding: 0.25rem 0.4rem;
    font-size: 0.875rem;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
    transition: border-color 0.15s;
}
input[data-inline-sort-order]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}
input[data-inline-sort-order].is-saving {
    opacity: 0.55;
}

/* Catalogue card — admin preview + public-site visual contract */
.catalog-card {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    position: relative;
    box-shadow: var(--shadow);
}
.catalog-card--popular {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent), var(--shadow);
}
.catalog-card-badge {
    position: absolute;
    top: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
}
.catalog-popular-pill {
    background: var(--accent);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.25rem 0.85rem;
    border-radius: 999px;
    white-space: nowrap;
}
.catalog-card-header {
    margin-bottom: 1.25rem;
}
.catalog-card-name {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.35rem;
}
.catalog-card-tagline {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
}
.catalog-card-price {
    margin-top: 0.75rem;
}
.catalog-price-amount {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.03em;
}
.catalog-price-period {
    font-size: 0.875rem;
    margin-left: 0.25rem;
}
.catalog-card-slot-count,
.catalog-card-quantity {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.catalog-card-description {
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    color: var(--text);
    line-height: 1.65;
}
.catalog-card-description p { margin-bottom: 0.5rem; }
.catalog-card-description ul,
.catalog-card-description ol { padding-left: 1.25rem; margin-bottom: 0.5rem; }
.catalog-card-features {
    list-style: none;
    padding: 0;
    margin: 0;
}
.catalog-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.3rem 0;
    font-size: 0.875rem;
    color: var(--text);
}
.catalog-feature-item i {
    margin-top: 0.1rem;
    flex-shrink: 0;
}

/* Nav group label (sidebar "Catalogue" section) */
.admin-nav-group-label {
    list-style: none;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 0.5rem 0.85rem 0.15rem;
    opacity: 0.6;
}

/* ========================================================================
   Audit trail panel — in-form collapsible <details> (T040–T041)
   ======================================================================== */

/* Collapsible wrapper inside the edit modal form */
.admin-form-audit {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    overflow: hidden;
}

.admin-form-audit-summary {
    padding: 0.55rem 0.85rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    list-style: none;                 /* hide default triangle in Firefox */
    display: flex;
    align-items: center;
    gap: 0.45rem;
    user-select: none;
}
.admin-form-audit-summary::-webkit-details-marker { display: none; } /* hide in Chrome/Safari */
.admin-form-audit-summary::before {
    content: "\25B6";                 /* ▶ collapsed */
    font-size: 0.65rem;
    color: var(--text-muted);
    transition: transform 0.15s;
    flex-shrink: 0;
}
.admin-form-audit[open] > .admin-form-audit-summary::before {
    transform: rotate(90deg);         /* ▼ expanded */
}
.admin-form-audit-summary:hover { color: var(--text); }

.admin-form-audit-body {
    padding: 0.65rem 0.85rem 0.75rem;
    border-top: 1px solid var(--border);
}

/* Audit entry list */
.audit-entry-list {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

/* D4 — constrain the audit-entry-list inside the collapsible panel so that
   many audit rows do not scroll the modal footer out of view.
   Only applied when the list is inside the in-form audit <details> body. */
.admin-form-audit-body > .audit-entry-list {
    max-height: 240px;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.audit-entry {
    padding: 0.55rem 0.65rem;
    border-radius: calc(var(--radius) - 0.1rem);
    background: var(--surface-2);
    border: 1px solid var(--border);
}

.audit-entry-header {
    font-size: 0.85rem;
    line-height: 1.4;
}

.audit-entry-label {
    color: var(--text);
}

.audit-entry-operator,
.audit-entry-ts {
    font-size: 0.78rem;
}

.audit-change-list {
    margin-top: 0.3rem;
    padding-left: 0.5rem;
    border-left: 2px solid var(--border);
}

.audit-change-item {
    font-size: 0.78rem;
    line-height: 1.5;
    color: var(--text-muted);
}

.audit-change-field {
    color: var(--text);
}

.audit-change-before { opacity: 0.65; }
.audit-change-after  { color: var(--accent); }