/* ============================================================
   0724 Client Area — Layout (Phase 1)
   Page containers, section rhythm, breadcrumbs, main body.
   ============================================================ */

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

body.primary-bg-color,
body.cx-app {
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
}

.cx-app #main-body {
    background: var(--bg);
    min-height: calc(100vh - 280px);
    padding-top: 1.25rem;
    padding-bottom: 2.5rem;
}

.cx-app #main-body > .container,
.cx-app .master-breadcrumb > .container,
.cx-app #header .container,
.cx-app #footer .container {
    max-width: var(--cx-container);
    padding-left: var(--cx-container-pad);
    padding-right: var(--cx-container-pad);
    width: 100%;
}

.cx-app .master-breadcrumb {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 0.65rem 0;
}

.cx-app .master-breadcrumb .breadcrumb {
    background: transparent;
    margin: 0;
    padding: 0;
    font-size: 0.85rem;
}

.cx-app .breadcrumb-item a {
    color: var(--muted);
}

.cx-app .breadcrumb-item a:hover {
    color: var(--cyan);
    text-decoration: none;
}

.cx-app .breadcrumb-item.active {
    color: var(--text);
}

.cx-app .breadcrumb-item + .breadcrumb-item::before {
    color: var(--border-l);
}

/* Section / page header primitives */
.cx-page-header {
    margin: 0 0 1.25rem;
}

.cx-page-header__title {
    margin: 0 0 0.35rem;
    color: var(--white);
    font-size: clamp(1.35rem, 2.5vw, 1.75rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.cx-page-header__subtitle {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
    max-width: 60ch;
}

.cx-section {
    margin-bottom: 1.5rem;
}

.cx-section__label {
    display: block;
    margin-bottom: 0.65rem;
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--cyan);
}

.cx-stack {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cx-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.cx-primary-content {
    min-width: 0;
}

@media (max-width: 767.98px) {
    .cx-app #main-body {
        padding-top: 1rem;
        padding-bottom: 2rem;
    }
}

@media (max-width: 389.98px) {
    .cx-app #main-body > .container,
    .cx-app .master-breadcrumb > .container,
    .cx-app #header .container,
    .cx-app #footer .container {
        padding-left: 0.85rem;
        padding-right: 0.85rem;
    }
}