:root {
    /* Spectrum-inspired tokens (light theme) */
    --spectrum-gray-25: #ffffff;
    --spectrum-gray-50: #f8f8f8;
    --spectrum-gray-75: #f3f3f3;
    --spectrum-gray-100: #e9e9e9;
    --spectrum-gray-200: #e1e1e1;
    --spectrum-gray-300: #dadada;
    --spectrum-gray-400: #c6c6c6;
    --spectrum-gray-500: #8f8f8f;
    --spectrum-gray-600: #717171;
    --spectrum-gray-700: #505050;
    --spectrum-gray-800: #292929;
    --spectrum-gray-900: #131313;

    --spectrum-blue-100: #e0f2ff;
    --spectrum-blue-200: #cae8ff;
    --spectrum-blue-400: #5aa9ff;
    --spectrum-blue-700: #1473e6;
    --spectrum-blue-800: #0d66d0;
    --spectrum-blue-900: #095aba;

    --spectrum-green-700: #12805c;
    --spectrum-red-700: #d7373f;
    --spectrum-orange-700: #da7b11;

    --spectrum-font: "Source Sans 3", "Segoe UI", sans-serif;
    --spectrum-radius-100: 4px;
    --spectrum-radius-200: 8px;
    --spectrum-shadow-100: 0 1px 4px rgba(0, 0, 0, 0.08);
    --spectrum-shadow-200: 0 4px 16px rgba(0, 0, 0, 0.1);

    --sidebar-width: 248px;
    --focus-ring: 0 0 0 2px var(--spectrum-gray-25), 0 0 0 4px var(--spectrum-blue-700);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--spectrum-font);
    font-size: 14px;
    line-height: 1.5;
    color: var(--spectrum-gray-800);
    background: var(--spectrum-gray-75);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--spectrum-blue-800);
    text-decoration: none;
}
a:hover { text-decoration: underline; }

/* ——— Forms (Spectrum field style) ——— */
.form-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--spectrum-gray-700);
    margin-bottom: 6px;
}

.form-control {
    height: 40px;
    border: 1px solid var(--spectrum-gray-400);
    border-radius: var(--spectrum-radius-100);
    background: var(--spectrum-gray-25);
    color: var(--spectrum-gray-800);
    font-size: 14px;
    padding: 0 12px;
    box-shadow: none;
}

.form-control:hover {
    border-color: var(--spectrum-gray-500);
}

.form-control:focus {
    border-color: var(--spectrum-blue-700);
    box-shadow: var(--focus-ring);
    outline: none;
}

.btn-zaclie,
.btn-spectrum {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 40px;
    padding: 0 16px;
    border-radius: var(--spectrum-radius-100);
    border: 1px solid transparent;
    background: var(--spectrum-blue-800);
    color: #fff;
    font-family: var(--spectrum-font);
    font-size: 14px;
    font-weight: 700;
    line-height: 1;
    transition: background 0.12s ease;
}

.btn-zaclie:hover,
.btn-spectrum:hover {
    background: var(--spectrum-blue-900);
    color: #fff;
}

.btn-zaclie:focus-visible,
.btn-spectrum:focus-visible {
    box-shadow: var(--focus-ring);
    outline: none;
}

.btn-spectrum-secondary {
    background: var(--spectrum-gray-75);
    border-color: var(--spectrum-gray-400);
    color: var(--spectrum-gray-800);
    font-weight: 700;
    min-height: 32px;
    padding: 0 12px;
    border-radius: var(--spectrum-radius-100);
    font-size: 14px;
}

.btn-spectrum-secondary:hover {
    background: var(--spectrum-gray-100);
    color: var(--spectrum-gray-800);
}

.alert {
    border-radius: var(--spectrum-radius-100);
    border: 1px solid transparent;
    font-size: 14px;
    padding: 12px 14px;
}

.alert-success {
    background: #e3fff1;
    border-color: #85e0b9;
    color: #0d5c3d;
}

.alert-danger {
    background: #ffebe8;
    border-color: #ffb7ad;
    color: #9c1b23;
}

/* ——— Auth (Spectrum light login) ——— */
.auth-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 2rem 1rem;
    background:
        linear-gradient(180deg, var(--spectrum-blue-100) 0%, var(--spectrum-gray-75) 42%, var(--spectrum-gray-75) 100%);
}

.auth-stage {
    width: 100%;
    max-width: 420px;
}

.auth-panel {
    background: var(--spectrum-gray-25);
    border: 1px solid var(--spectrum-gray-300);
    border-radius: var(--spectrum-radius-200);
    padding: 2rem 1.75rem 1.75rem;
    box-shadow: var(--spectrum-shadow-200);
}

.auth-brand,
.brand {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 1.5rem;
}

.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: var(--spectrum-radius-100);
    background: var(--spectrum-blue-800);
    color: #fff;
    display: grid;
    place-items: center;
    font-family: var(--spectrum-font);
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.brand-name {
    font-family: var(--spectrum-font);
    font-size: 22px;
    font-weight: 700;
    line-height: 1.15;
    color: var(--spectrum-gray-900);
    letter-spacing: -0.02em;
}

.brand-tag {
    font-size: 12px;
    color: var(--spectrum-gray-600);
    margin-top: 2px;
}

.auth-title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--spectrum-gray-900);
    margin: 0 0 6px;
}

.auth-lead {
    color: var(--spectrum-gray-600);
    margin: 0 0 1.25rem;
    font-size: 14px;
}

.auth-footer {
    margin-top: 1.25rem;
    text-align: center;
    font-size: 14px;
}

.auth-footer a {
    color: var(--spectrum-blue-800);
    font-weight: 600;
}

/* ——— App shell ——— */
.app-body { min-height: 100vh; }

.app-shell {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    min-height: 100vh;
}

.app-sidebar {
    background: var(--spectrum-gray-25);
    border-right: 1px solid var(--spectrum-gray-300);
    padding: 1.25rem 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.app-sidebar .brand {
    padding: 0 0.5rem;
    margin-bottom: 0.25rem;
}

.app-sidebar .brand-name { font-size: 18px; }
.app-sidebar .brand-tag { color: var(--spectrum-gray-600); }

.app-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.app-nav .nav-link {
    color: var(--spectrum-gray-800);
    border-radius: var(--spectrum-radius-100);
    padding: 10px 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    border-left: 3px solid transparent;
}

.app-nav .nav-link:hover {
    background: var(--spectrum-gray-75);
    text-decoration: none;
}

.app-nav .nav-link.active {
    background: var(--spectrum-blue-100);
    color: var(--spectrum-blue-900);
    border-left-color: var(--spectrum-blue-800);
}

.app-nav .nav-link.disabled {
    opacity: 0.45;
    pointer-events: none;
    font-weight: 500;
}

.sidebar-footer {
    display: grid;
    gap: 0.65rem;
    padding: 0 0.35rem;
    border-top: 1px solid var(--spectrum-gray-200);
    padding-top: 1rem;
}

.user-chip {
    background: var(--spectrum-gray-75);
    border: 1px solid var(--spectrum-gray-200);
    border-radius: var(--spectrum-radius-100);
    padding: 10px 12px;
    display: grid;
    gap: 2px;
}

.user-chip strong {
    font-size: 14px;
    color: var(--spectrum-gray-900);
}

.user-chip span {
    font-size: 12px;
    color: var(--spectrum-gray-600);
}

.app-main {
    padding: 1.5rem 2rem 2.5rem;
    background: var(--spectrum-gray-75);
    min-width: 0;
}

.app-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.app-topbar h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--spectrum-gray-900);
    margin: 0;
}

/* ——— Dashboard ——— */
.dash-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.dash-card {
    background: var(--spectrum-gray-25);
    border: 1px solid var(--spectrum-gray-300);
    border-radius: var(--spectrum-radius-200);
    padding: 1.15rem 1.25rem;
    box-shadow: var(--spectrum-shadow-100);
}

.dash-card.muted {
    background: var(--spectrum-gray-50);
}

.dash-card h2 {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--spectrum-gray-600);
    margin: 0 0 0.55rem;
}

.dash-card p {
    margin: 0 0 0.5rem;
    color: var(--spectrum-gray-800);
}

.dash-card p:last-child { margin-bottom: 0; }

.dash-stat {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin: 0;
    color: var(--spectrum-blue-800);
    line-height: 1.1;
}

.dash-list {
    margin: 0;
    padding-left: 1.15rem;
    color: var(--spectrum-gray-700);
}

.dash-list li { margin-bottom: 0.35rem; }

.badge-spectrum {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 3px 8px;
    border-radius: var(--spectrum-radius-100);
    background: var(--spectrum-blue-100);
    color: var(--spectrum-blue-900);
}

.badge-spectrum.pending {
    background: #fff4ce;
    color: #854f00;
}

/* ——— Catalogue ——— */
.form-select {
    height: 40px;
    border: 1px solid var(--spectrum-gray-400);
    border-radius: var(--spectrum-radius-100);
    font-size: 14px;
}

.form-select:focus {
    border-color: var(--spectrum-blue-700);
    box-shadow: var(--focus-ring);
}

.catalog-table-wrap {
    max-height: calc(100vh - 280px);
    overflow: auto;
    position: relative;
}

.catalog-table-wrap.is-loading::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.55);
    pointer-events: none;
}

.catalog-table thead th {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--spectrum-gray-75);
    border-bottom: 1px solid var(--spectrum-gray-300);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.catalog-table td {
    font-size: 13px;
    vertical-align: middle;
}

.catalog-thumb {
    width: 44px;
    height: 44px;
    object-fit: cover;
    border-radius: var(--spectrum-radius-100);
    border: 1px solid var(--spectrum-gray-300);
    background: var(--spectrum-gray-75);
    display: inline-block;
}

.catalog-thumb.is-broken,
.catalog-thumb-empty {
    display: grid;
    place-items: center;
    color: var(--spectrum-gray-500);
    font-size: 12px;
    width: 44px;
    height: 44px;
}

.catalog-thumb.is-broken::after {
    content: "—";
}

.catalog-desc {
    max-width: 220px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.catalog-selection-bar {
    position: sticky;
    top: 0;
    z-index: 3;
}

.catalog-stock {
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.catalog-stock-qty {
    font-weight: 600;
}

.catalog-stock-badge {
    display: inline-block;
    margin-left: 0.35rem;
    padding: 0.05rem 0.35rem;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--spectrum-gray-700);
    background: var(--spectrum-gray-200);
    border-radius: var(--spectrum-radius-100);
    vertical-align: middle;
}

.catalog-facet-count {
    display: inline-block;
    margin-left: 0.25rem;
    min-width: 1.1rem;
    padding: 0 0.3rem;
    border-radius: 999px;
    background: var(--spectrum-blue-700);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    line-height: 1.4;
    text-align: center;
    vertical-align: middle;
}

.catalog-facet {
    position: relative;
}

.catalog-facet-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.4rem;
    width: 100%;
    min-height: 44px;
    padding: 0.45rem 0.65rem;
    border: 1px solid var(--spectrum-gray-300);
    border-radius: var(--spectrum-radius-100);
    background: #fff;
    color: var(--spectrum-gray-800);
    font-size: 13px;
    text-align: left;
    cursor: pointer;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.catalog-facet.has-selection .catalog-facet-trigger {
    border-color: var(--spectrum-blue-700);
    box-shadow: inset 0 0 0 1px var(--spectrum-blue-700);
}

.catalog-facet-trigger:focus {
    outline: none;
    box-shadow: var(--focus-ring);
}

.catalog-facet-summary {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.catalog-facet-chevron {
    flex: 0 0 auto;
    width: 0.5rem;
    height: 0.5rem;
    border-right: 2px solid var(--spectrum-gray-600);
    border-bottom: 2px solid var(--spectrum-gray-600);
    transform: rotate(45deg);
    margin-top: -0.2rem;
}

.catalog-facet.is-open .catalog-facet-chevron {
    transform: rotate(-135deg);
    margin-top: 0.2rem;
}

.catalog-facet-panel {
    position: absolute;
    z-index: 40;
    top: calc(100% + 0.25rem);
    left: 0;
    right: 0;
    min-width: 220px;
    max-height: min(50vh, 320px);
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--spectrum-gray-300);
    border-radius: var(--spectrum-radius-100);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12);
}

.catalog-facet-tools {
    display: flex;
    gap: 0.5rem;
    justify-content: space-between;
    padding: 0.55rem 0.65rem;
    border-bottom: 1px solid var(--spectrum-gray-200);
    background: var(--spectrum-gray-75);
}

.catalog-facet-tools .btn {
    min-height: 40px;
    flex: 1;
}

.catalog-facet-options {
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    padding: 0.25rem 0;
}

.catalog-facet-option {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-height: 44px;
    margin: 0;
    padding: 0.35rem 0.75rem;
    cursor: pointer;
    font-size: 14px;
    font-weight: 400;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.catalog-facet-option:active,
.catalog-facet-option:hover {
    background: var(--spectrum-gray-100);
}

.catalog-facet-option input {
    width: 1.15rem;
    height: 1.15rem;
    flex: 0 0 auto;
    accent-color: var(--spectrum-blue-700);
}

.catalog-facet-option span {
    overflow: hidden;
    text-overflow: ellipsis;
}

.catalog-facet-empty {
    margin: 0;
    padding: 1rem 0.75rem;
    color: var(--spectrum-gray-600);
    font-size: 13px;
}

.catalog-facet-backdrop {
    position: fixed;
    inset: 0;
    z-index: 35;
    background: rgba(20, 20, 20, 0.35);
}

@media (max-width: 900px) {
    body.catalog-facet-open {
        overflow: hidden;
    }

    .catalog-facet-panel {
        position: fixed;
        left: 0.75rem;
        right: 0.75rem;
        top: auto;
        bottom: 0.75rem;
        max-height: min(70vh, 480px);
        min-width: 0;
        border-radius: 12px;
        z-index: 45;
    }

    .catalog-facet-backdrop {
        z-index: 40;
    }
}

.pagination .page-link {
    color: var(--spectrum-blue-800);
}

.pagination .page-item.active .page-link,
.pagination .page-item.disabled .page-link {
    color: var(--spectrum-gray-700);
}

@media (max-width: 900px) {
    .app-shell { grid-template-columns: 1fr; }
    .app-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--spectrum-gray-300);
    }
    .dash-grid { grid-template-columns: 1fr; }
    .app-main { padding: 1rem; }
    .auth-title { font-size: 24px; }
    .catalog-table-wrap { max-height: none; }
}