/* =========================================================
   JUPITER BLUE — TRADE (Matrix page styles)
   Secure Hub register applied to the product matrix.

   Uses tokens from brand.css.
   Only loaded on product_matrix.php (and any other trade-tool page).
   ========================================================= */

.trade-page {
    background-color: var(--paper);
    min-height: 100vh;
    padding: 80px 40px 120px;
    color: var(--ink);
}

.trade-container {
    max-width: var(--container);
    margin: 0 auto;
}

/* =========================================================
   1. HEADER — display typography, Secure Hub confidence
   ========================================================= */
.trade-header {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 48px;
    align-items: end;
    margin-bottom: 56px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--line);
}

.trade-header__title {
    display: flex;
    flex-direction: column;
}

.trade-header__brand {
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: var(--tracking-tight);
    color: var(--ink);
    margin-bottom: 32px;
    text-transform: none;
}
.trade-header__brand .brand-accent {
    color: var(--jb-blue);
}

.trade-header__title h1 {
    font-size: clamp(3rem, 7vw, 5.6rem);
    font-weight: 800;
    letter-spacing: var(--tracking-tighter);
    color: var(--ink);
    margin: 0 0 18px;
    line-height: 0.88;
}

.trade-header__title .trade-subtitle {
    color: var(--ink-2);
    font-size: 0.92rem;
    margin: 0;
    max-width: 480px;
    line-height: 1.55;
    font-weight: 400;
}
.trade-header__title .trade-subtitle strong {
    color: var(--ink);
    font-weight: 600;
}

.trade-header__meta {
    display: flex;
    gap: 48px;
    align-items: baseline;
    padding-bottom: 8px;
}
.trade-header__meta-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.trade-header__meta-item .meta-label {
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--ink-3);
}
.trade-header__meta-item .meta-num {
    font-size: 2rem;
    font-weight: 700;
    color: var(--ink);
    font-variant-numeric: tabular-nums slashed-zero;
    letter-spacing: var(--tracking-tighter);
    line-height: 1;
}
.trade-header__meta-item .meta-divider {
    color: var(--ink-3);
    font-weight: 400;
    font-size: 1.5rem;
    margin: 0 4px;
}

/* =========================================================
   2. TOOLBAR — underline-style search like Secure Hub
   ========================================================= */
.trade-toolbar {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 32px;
    align-items: center;
    margin-bottom: 14px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}

.trade-segment {
    display: inline-flex;
    gap: 24px;
}
.trade-segment__btn {
    padding: 6px 0;
    background: transparent;
    border: none;
    font-family: inherit;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--ink-3);
    cursor: pointer;
    transition: color 180ms ease;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    position: relative;
}
.trade-segment__btn::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: currentColor;
    opacity: 0;
    transition: opacity 180ms ease;
}
.trade-segment__btn:hover:not(.is-active) { color: var(--ink-2); }
.trade-segment__btn.is-active { color: var(--ink); }
.trade-segment__btn.is-active::after { opacity: 1; }

/* Search */
.trade-search {
    position: relative;
    max-width: 480px;
    width: 100%;
    justify-self: stretch;
}
.trade-search__prefix {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ink-3);
    pointer-events: none;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    width: 18px;
}
.trade-search__input {
    width: 100%;
    padding: 14px 0 14px 32px;
    border: none;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    background: transparent;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--ink);
    transition: border-color 180ms ease;
}
.trade-search__input:focus {
    outline: none;
    border-bottom-color: var(--ink);
}
.trade-search__input::placeholder {
    color: var(--ink-3);
    font-weight: 400;
}

/* =========================================================
   3. ACTION BUTTONS
   ========================================================= */
.trade-actions {
    display: flex;
    gap: 8px;
}

.trade-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: var(--radius-btn);
    font-family: inherit;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--ink);
    cursor: pointer;
    transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
    white-space: nowrap;
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
}
.trade-btn:hover:not(:disabled) {
    background: var(--jb-navy-hover);
    border-color: var(--jb-navy-hover);
    color: #fff;
}
.trade-btn:focus-visible {
    outline: 1px solid var(--jb-blue);
    outline-offset: 2px;
}
.trade-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

body[data-theme="customer"] .trade-btn:hover:not(:disabled) {
    background: var(--warm-neutral);
    border-color: var(--ink);
    color: var(--ink);
}

/* Danger (Clear) */
.trade-btn--danger { color: var(--ink-2); }
.trade-btn--danger:hover:not(:disabled) {
    color: #fff;
    background: var(--jb-navy-hover);
    border-color: var(--spec-fire-text);
}
body[data-theme="customer"] .trade-btn--danger:hover:not(:disabled) {
    background: #fef2f2;
    border-color: var(--spec-fire-text);
    color: var(--spec-fire-text);
}

/* Compare — orange action */
.trade-btn--compare {
    background: var(--jb-accent);
    color: #1a1a1a;
    border-color: var(--jb-accent);
}
.trade-btn--compare:hover:not(:disabled) {
    background: var(--jb-accent-deep);
    border-color: var(--jb-accent-deep);
    color: #1a1a1a;
}
.trade-btn--compare:disabled {
    background: transparent;
    border-color: var(--line);
    color: var(--ink-3);
    opacity: 1;
}

/* Count badge */
.trade-btn .count {
    font-variant-numeric: tabular-nums;
    background: var(--warm-neutral);
    color: var(--ink-2);
    padding: 1px 7px;
    border-radius: 999px;
    font-size: 0.66rem;
    font-weight: 700;
    min-width: 18px;
    text-align: center;
    letter-spacing: 0;
}
.trade-btn:hover:not(:disabled) .count {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}
.trade-btn--compare:not(:disabled) .count {
    background: rgba(26, 26, 26, 0.15);
    color: #1a1a1a;
}
.trade-btn--compare:not(:disabled):hover .count {
    background: rgba(26, 26, 26, 0.15);
    color: #1a1a1a;
}

/* =========================================================
   4. FILTER ROW
   ========================================================= */
.trade-filter-row {
    display: flex;
    gap: 18px;
    align-items: center;
    margin: 16px 0 32px;
    flex-wrap: wrap;
    font-size: 0.7rem;
    color: var(--ink-3);
    min-height: 20px;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    font-weight: 600;
}
.trade-filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--ink);
}
.trade-filter-tag::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--jb-blue);
    display: inline-block;
}
.trade-filter-tag button {
    background: none;
    border: none;
    color: var(--ink-3);
    cursor: pointer;
    padding: 0 4px;
    font-size: 0.9rem;
    line-height: 1;
    font-family: inherit;
}
.trade-filter-tag button:hover { color: var(--ink); }
.trade-reset-link {
    color: var(--ink-3);
    background: none;
    border: none;
    padding: 0;
    font-family: inherit;
    font-size: 0.7rem;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    border-bottom: 1px solid currentColor;
    transition: color 180ms ease;
}
.trade-reset-link:hover { color: var(--ink); }

/* =========================================================
   5. TABLE
   ========================================================= */
.trade-table-wrap {
    background: transparent;
    border: none;
    border-radius: 0;
    overflow: visible;
}
.trade-table-scroll { overflow-x: auto; }

table.trade-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.86rem;
    color: var(--ink);
    min-width: 900px;
    table-layout: fixed;
    background: transparent;
}

.trade-table thead th {
    background: transparent;
    color: var(--ink-3);
    text-align: left;
    padding: 18px 14px 14px;
    font-size: 0.6rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    border-bottom: 1px solid var(--line);
    user-select: none;
    vertical-align: middle;
    white-space: nowrap;
}
.trade-table thead th[data-sortable] {
    cursor: pointer;
    transition: color 180ms ease;
}
.trade-table thead th[data-sortable]:hover { color: var(--ink); }
.trade-table thead th[data-sortable]::after {
    content: '';
    display: inline-block;
    width: 5px;
    height: 5px;
    margin-left: 8px;
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    opacity: 0.3;
}
.trade-table thead th[data-sort="asc"]::after {
    opacity: 1;
    color: var(--jb-blue);
    transform: rotate(-135deg) translateY(2px);
}
.trade-table thead th[data-sort="desc"]::after {
    opacity: 1;
    color: var(--jb-blue);
}
.trade-table thead th .col-key {
    display: inline-block;
    color: var(--ink-3);
    font-size: 0.6rem;
    font-weight: 700;
    margin-right: 6px;
    opacity: 0.5;
}

.trade-table tbody td {
    padding: 16px 14px;
    border-bottom: 1px solid var(--line);
    vertical-align: middle;
    font-variant-numeric: tabular-nums slashed-zero;
}
.trade-table tbody tr:last-child td { border-bottom: 1px solid var(--line); }
.trade-table tbody tr {
    transition: background 180ms ease;
}
.trade-table tbody tr:hover { background: var(--warm-neutral); }

.trade-table tbody tr.is-selected { background: transparent; }
.trade-table tbody tr.is-selected:hover { background: var(--warm-neutral); }
.trade-table tbody tr.is-selected td:first-child {
    box-shadow: inset 2px 0 0 var(--jb-blue);
}

.trade-table .col-check { width: 36px; padding-left: 14px; padding-right: 4px; }
.trade-table .col-model { width: 240px; }
.trade-table .col-cat {
    width: 110px;
    color: var(--ink-3);
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    font-weight: 500;
}
.trade-table .col-spec  { width: 100px; text-align: left; }
.trade-table .col-link  { width: 50px; text-align: center; padding-right: 14px; }

.trade-table .col-model strong {
    font-weight: 600;
    color: var(--ink);
    letter-spacing: var(--tracking-tight);
    font-size: 0.96rem;
}

/* =========================================================
   6. SPEC VALUES
   ========================================================= */
.spec {
    display: inline-flex;
    align-items: baseline;
    gap: 5px;
    font-variant-numeric: tabular-nums slashed-zero;
    font-feature-settings: "tnum", "zero";
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: var(--tracking-tight);
    line-height: 1;
}
.spec .unit {
    font-size: 0.62rem;
    font-weight: 600;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
}
.spec--fire     { color: var(--spec-fire-text); }
.spec--acoustic { color: var(--spec-acoustic-text); }
.spec--leak     { color: var(--spec-leak-text); }
.spec--thermal  { color: var(--spec-thermal-text); }

.spec-na {
    color: var(--ink-4);
    font-size: 1.1rem;
    font-weight: 400;
    letter-spacing: -0.02em;
}

.trade-table input[type="checkbox"] {
    width: 14px;
    height: 14px;
    accent-color: var(--ink-3);
    cursor: pointer;
}

.trade-table .col-link a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    color: var(--ink-3);
    background: transparent;
    border: 1px solid var(--line);
    border-radius: var(--radius-btn);
    transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
    text-decoration: none;
    font-size: 0.78rem;
}
.trade-table .col-link a:hover,
.trade-table .col-link a:focus-visible {
    background: var(--jb-blue);
    color: #fff !important;
    border-color: var(--jb-blue);
    outline: none;
}

/* =========================================================
   7. EMPTY STATE / FOOTER
   ========================================================= */
.trade-empty {
    padding: 80px 24px;
    text-align: center;
    color: var(--ink-2);
}
.trade-empty p { margin: 0 0 12px; font-size: 0.95rem; }
.trade-empty p:first-child { font-weight: 600; color: var(--ink); }

.trade-table-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 14px 0;
    background: transparent;
    font-size: 0.66rem;
    color: var(--ink-3);
    font-variant-numeric: tabular-nums slashed-zero;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    font-weight: 600;
}
.trade-table-footer strong {
    color: var(--ink);
    font-weight: 700;
}

/* =========================================================
   8. RESPONSIVE
   ========================================================= */
@media (max-width: 900px) {
    .trade-page { padding: 40px 20px 80px; }
    .trade-header {
        grid-template-columns: 1fr;
        align-items: start;
        gap: 28px;
    }
    .trade-header__meta { padding-bottom: 0; }
    .trade-toolbar { grid-template-columns: 1fr; gap: 18px; }
    .trade-segment { width: 100%; justify-content: space-between; }
    .trade-actions { flex-wrap: wrap; }
    .trade-actions .trade-btn { flex: 1; min-width: 100px; justify-content: center; }
}
@media (max-width: 600px) {
    .trade-header__title h1 { font-size: 3rem; }
    .trade-header__meta-item .meta-num { font-size: 1.5rem; }
    .trade-table { font-size: 0.8rem; }
    .trade-table thead th { padding: 12px 10px; font-size: 0.56rem; }
    .trade-table tbody td { padding: 12px 10px; }
}

/* =========================================================
   9. PRINT
   ========================================================= */
@media print {
    .trade-page header, .trade-toolbar, .trade-filter-row,
    .trade-table-footer, .col-check, .col-link,
    .jb-main-footer, #backToTop, .ai-panel, .jb-nav,
    #nav-overlay, nav, header {
        display: none !important;
    }
    body, .trade-page {
        background: #fff !important;
        color: #000 !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    .trade-container { max-width: none; }
    .trade-table-wrap { border: 1px solid #000 !important; background: #fff !important; }
    .trade-table { font-size: 9pt; min-width: 0; }
    .trade-table thead th {
        background: #000 !important;
        color: #fff !important;
        font-size: 8pt;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    .trade-table tbody td {
        padding: 6pt 8pt;
        border-bottom: 0.5pt solid #888 !important;
        color: #000 !important;
    }
    .spec, .spec .unit { color: #000 !important; font-weight: 700; }
    .trade-print-header {
        display: block !important;
        padding: 12pt 0 16pt;
        border-bottom: 1pt solid #000;
        margin-bottom: 16pt;
    }
    .trade-print-header h1 { font-size: 16pt; margin: 0 0 4pt; font-weight: 800; color: #000; }
    .trade-print-header p { margin: 0; font-size: 9pt; color: #555; }
    tr { page-break-inside: avoid; }
}
.trade-print-header { display: none; }

@media (prefers-reduced-motion: reduce) {
    .trade-segment__btn, .trade-btn, .trade-search__input,
    .trade-table .col-link a, .trade-table thead th,
    .trade-table tbody tr {
        transition: none !important;
    }
}