:root {
    color-scheme: light;

    /* OSCAN UI foundation — shared semantic tokens. */
    --os-color-navy: #1b2430;
    --os-color-graphite: #26343e;
    --os-color-accent: #14b8c9;
    --os-color-accent-ink: #087986;
    --os-color-white: #fff;
    --os-color-app-bg: #f7f7f5;
    --os-color-surface: #fff;
    --os-color-text: #26343e;
    --os-color-text-muted: #657279;
    --os-color-border: #d9e1e2;
    --os-color-soft: #eceeed;
    --os-color-success: #176b45;
    --os-color-warning: #b86f00;
    --os-color-danger: #a23838;

    --os-font-sans: Inter, "Helvetica Neue", Arial, system-ui, -apple-system, "Segoe UI", sans-serif;

    --os-space-1: 4px;
    --os-space-2: 8px;
    --os-space-3: 12px;
    --os-space-4: 16px;
    --os-space-6: 24px;
    --os-space-8: 32px;

    --os-radius-sm: 6px;
    --os-radius-md: 8px;
    --os-radius-lg: 12px;
    --os-radius-xl: 16px;

    --os-control-h: 40px;
    --os-control-h-touch: 44px;
    --os-shadow-sm: 0 3px 12px rgba(27, 36, 48, .045);
    --os-shadow-md: 0 8px 26px rgba(27, 36, 48, .07);
    --os-focus-color: var(--os-color-accent);
    --os-focus-width: 2px;
    --os-focus-offset: 4px;

    /* Compatibility aliases. Keep existing selectors stable during PR01. */
    --ink: var(--os-color-navy);
    --graphite: var(--os-color-graphite);
    --muted: #60727b;
    --line: #d9e2e6;
    --paper: var(--os-color-app-bg);
    --card: var(--os-color-surface);
    --accent: var(--os-color-accent);
    --accent-text: var(--os-color-accent-ink);
    --accent-dark: var(--os-color-accent-ink);
    --good: var(--os-color-success);
    --bad: var(--os-color-danger);
    --soft: #e8f4f4;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font: 16px/1.55 var(--os-font-sans);
}

a { color: var(--accent-text); }

:focus-visible {
    outline: var(--os-focus-width) solid var(--os-focus-color);
    outline-offset: var(--os-focus-offset);
}

.topbar {
    min-height: 68px;
    padding: 0 max(24px, calc((100vw - 1120px) / 2));
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fff;
    border-bottom: 1px solid var(--line);
}

.brand {
    font-weight: 900;
    letter-spacing: .12em;
    text-decoration: none;
    color: var(--ink);
}

nav { display: flex; align-items: center; gap: 20px; }
nav form { margin: 0; }

.link-button {
    border: 0;
    background: transparent;
    color: var(--accent-dark);
    font: inherit;
    cursor: pointer;
    padding: 0;
}

.container { max-width: 1120px; margin: 0 auto; padding: 48px 24px; }
.hero { max-width: 760px; padding: 70px 0; }
.hero h1, .page-heading h1 { font-size: clamp(2rem, 5vw, 4.4rem); line-height: 1.05; margin: .2em 0; }
.hero p { font-size: 1.2rem; color: var(--muted); }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .76rem; font-weight: 800; color: var(--accent-text); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--accent-text);
    border-radius: 8px;
    background: var(--accent-text);
    color: #fff;
    text-decoration: none;
    font: inherit;
    font-weight: 700;
    padding: 10px 16px;
    cursor: pointer;
}

.button:hover { background: #05616b; }
.button.secondary { background: #fff; color: var(--accent-dark); }
.button.danger { background: #fff; border-color: #d6a7a7; color: var(--bad); }
.button.disabled, .button:disabled { background: #e7ecee; border-color: #e7ecee; color: #74838a; cursor: not-allowed; }

.panel, .service-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 28px;
    box-shadow: 0 8px 30px rgba(25, 47, 57, .05);
}

.narrow { max-width: 500px; margin: 30px auto; }
.narrow-left { max-width: 680px; }
.panel h1, .panel h2 { margin-top: 0; }
form { display: grid; gap: 16px; }
label { display: grid; gap: 6px; font-weight: 700; }

input, select, textarea {
    width: 100%;
    border: 1px solid #bccbd1;
    border-radius: 8px;
    padding: 11px 12px;
    font: inherit;
    background: #fff;
}
textarea { min-height: 92px; resize: vertical; }

.muted { color: var(--muted); }
.notice { border-radius: 8px; padding: 12px 16px; margin-bottom: 20px; }
.notice.success { background: #e3f3ea; color: var(--good); }
.notice.error { background: #f8e8e8; color: var(--bad); }
.notice ul { margin: 0; padding-left: 20px; }
.page-heading { margin-bottom: 28px; }
.page-heading h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
.page-heading p:last-child { color: var(--muted); }
.dashboard-heading { margin-bottom: 38px; }
.dashboard-section-title { margin: 0 0 14px; color: var(--os-color-text-muted, #60727b); font-size: 12px; line-height: 1; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.service-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.service-card-horizontal { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 28px; padding: 26px 28px; }
.service-card-body { min-width: 0; display: grid; grid-template-columns: 235px minmax(0, 1fr); gap: 28px; align-items: center; }
.service-card-id { align-self: stretch; display: flex; flex-direction: column; justify-content: center; padding-right: 26px; border-right: 1px solid var(--line); }
.service-card-id > span { color: var(--accent-text); font-size: 11px; line-height: 1.35; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.service-card-id > strong { margin-top: 7px; font-size: 21px; line-height: 1.2; letter-spacing: -.02em; }
.service-card-copy { min-width: 0; }
.service-card-copy h3 { margin: 0 0 7px; font-size: 19px; line-height: 1.28; letter-spacing: -.015em; }
.service-card-copy p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.service-card-action { min-height: 44px; gap: 10px; white-space: nowrap; }
.service-card-action > span { font-size: 18px; line-height: 1; }
.status { display: inline-block; border-radius: 999px; padding: 4px 9px; font-size: .76rem; font-weight: 800; }
.status.allowed { background: #e3f3ea; color: var(--good); }
.status.locked { background: #f1e9e9; color: var(--bad); }
.qr svg { max-width: 220px; height: auto; }
.codes { font-family: ui-monospace, monospace; columns: 2; }
.search { display: flex; align-items: end; gap: 12px; margin-bottom: 18px; }
.search label { flex: 1; }
.table-wrap { overflow: auto; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
td form { display: block; }

.admin-nav {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    margin: -22px 0 34px;
    padding: 6px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
}
.admin-nav a { flex: 0 0 auto; padding: 8px 13px; border-radius: 8px; color: var(--graphite); text-decoration: none; font-weight: 750; }
.admin-nav a:hover, .admin-nav a.active { background: var(--soft); color: var(--accent-dark); }
.compact-heading h1 { font-size: clamp(2rem, 4vw, 3rem); }
.metric-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; margin-bottom: 26px; }
.metric { display: grid; gap: 4px; min-width: 0; padding: 20px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
.metric span { color: var(--muted); font-size: .8rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.metric strong { font-size: 2rem; line-height: 1.1; }
.metric small { color: var(--muted); }
.admin-section { margin-top: 24px; }
.section-heading { display: flex; justify-content: space-between; align-items: start; gap: 16px; }
.section-heading h2 { margin: 0; }
.plain-table { border: 0; border-radius: 0; margin: 14px -12px -12px; }
.filter-grid { display: grid; grid-template-columns: minmax(180px, 2fr) repeat(3, minmax(130px, 1fr)) auto; align-items: end; gap: 12px; margin-bottom: 18px; padding: 16px; }
.filter-grid .button { min-height: 48px; }
.small-button { padding: 7px 11px; font-size: .86rem; }
.quota-inline { font: .85rem ui-monospace, monospace; white-space: nowrap; }
.user-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; }
.user-heading .button { margin-bottom: 8px; }
.compact-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 650px; }
.admin-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; align-items: start; }
.admin-form-grid .panel { min-width: 0; }
.three-fields { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.audit-list { display: grid; gap: 14px; }
.audit-event h2 { margin: 3px 0 0; font: 700 .88rem ui-monospace, monospace; overflow-wrap: anywhere; }
.audit-event time { color: var(--muted); white-space: nowrap; }
.change-list { display: grid; gap: 8px; margin: 14px 0 0; }
.change-list div { display: grid; grid-template-columns: minmax(110px, .4fr) 1fr; gap: 12px; padding: 8px 10px; border-radius: 7px; background: var(--paper); }
.change-list dt { font-weight: 800; }
.change-list dd { margin: 0; overflow-wrap: anywhere; }
.version-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.version-grid div { display: grid; padding: 14px; border: 1px solid var(--line); border-radius: 9px; }
.version-grid span { color: var(--muted); }
.admin-pagination { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 20px; }
.admin-pagination p { margin: 0; color: var(--muted); font-size: .88rem; }
.pagination-links { display: flex; align-items: center; gap: 5px; }
.pagination-links a, .pagination-links span { min-width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--accent-dark); text-decoration: none; }
.pagination-links span[aria-disabled] { color: #94a2a8; background: #edf1f2; }
.pagination-links .current { border-color: var(--accent-text); background: var(--accent-text); color: #fff; }

.exocad-heading { max-width: 920px; }

.wizard {
    display: grid;
    grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.wizard-progress, .wizard-content {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(25, 47, 57, .05);
}

.wizard-progress { padding: 24px; position: sticky; top: 20px; }
.wizard-progress h2 { margin: 0 0 16px; font-size: 1rem; }
.wizard-progress ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.wizard-progress li { display: grid; grid-template-columns: 30px 1fr; gap: 10px; align-items: center; color: var(--muted); font-size: .88rem; }
.wizard-progress li span { width: 28px; height: 28px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; font-weight: 800; }
.wizard-progress li.active { color: var(--ink); font-weight: 800; }
.wizard-progress li.active span { border-color: var(--accent-text); background: var(--accent-text); color: #fff; }
.wizard-progress li.complete span { border-color: var(--accent); background: var(--soft); color: var(--accent-text); }
.wizard-content { min-height: 480px; padding: clamp(20px, 4vw, 40px); }
.wizard-content section > h2 { margin-top: 0; color: var(--graphite); }
.wizard-status { background: var(--soft); color: var(--accent-text); }
.privacy-note { margin-bottom: 22px; padding: 16px; border-left: 4px solid var(--accent); background: #f0fbfc; }
.privacy-note p { margin: 4px 0 0; color: var(--muted); }
.required { color: var(--bad); font-size: .78rem; }
label small { color: var(--muted); font-weight: 400; }
.file-summary { display: grid; gap: 6px; }
.file-summary p { margin: 0; padding: 8px 10px; background: var(--paper); border-radius: 6px; }
.upload-list, .mapping-list { display: grid; gap: 14px; }
.upload-row { display: grid; grid-template-columns: minmax(120px, 1fr) minmax(140px, 2fr); gap: 16px; align-items: center; }
progress { width: 100%; height: 14px; accent-color: var(--accent-text); }
.mapping-list label { padding: 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); }
.operation-meta { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.operation-meta div { padding: 14px; border: 1px solid var(--line); border-radius: 10px; min-width: 0; }
.operation-meta dt { color: var(--muted); font-size: .78rem; font-weight: 800; text-transform: uppercase; }
.operation-meta dd { margin: 6px 0 0; overflow-wrap: anywhere; }
[hidden] { display: none !important; }

@media (max-width: 800px) {
    nav { gap: 10px; font-size: .85rem; flex-wrap: wrap; justify-content: flex-end; }
    .container { padding: 30px 16px; }
    .service-grid { grid-template-columns: 1fr; }
    .service-card-horizontal { grid-template-columns: 1fr; gap: 20px; padding: 22px 20px 20px; }
    .service-card-body { grid-template-columns: 1fr; gap: 16px; }
    .service-card-id { padding: 0 0 15px; border-right: 0; border-bottom: 1px solid var(--line); }
    .service-card-action { width: 100%; min-height: 46px; }
    .topbar { padding: 12px 16px; align-items: flex-start; }
    .hero { padding: 35px 0; }
    .search { align-items: stretch; flex-direction: column; }
    .wizard { grid-template-columns: 1fr; }
    .wizard-progress { position: static; overflow-x: auto; }
    .wizard-progress ol { display: flex; min-width: 1120px; }
    .wizard-progress li { min-width: 140px; grid-template-columns: 28px; align-content: start; }
    .upload-row { grid-template-columns: 1fr; gap: 6px; }
    .operation-meta { grid-template-columns: 1fr; }
    .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .filter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .admin-form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
    .topbar { display: grid; gap: 12px; }
    nav { justify-content: flex-start; }
    .wizard-content { padding: 18px; }
    .actions { display: grid; }
    .button { width: 100%; }
    .metric-grid, .compact-metrics, .filter-grid, .three-fields { grid-template-columns: 1fr; }
    .user-heading { align-items: stretch; flex-direction: column; }
    .section-heading { flex-direction: column; }
    .change-list div { grid-template-columns: 1fr; gap: 2px; }
    .admin-pagination { align-items: stretch; flex-direction: column; }
}

/* ===== PR02: unified Laravel application shell ===== */
.skip-link {
    position: fixed;
    left: var(--os-space-4, 16px);
    top: var(--os-space-3, 12px);
    z-index: 100;
    transform: translateY(-180%);
    padding: 10px 14px;
    border: var(--os-focus-width, 2px) solid var(--os-focus-color, #14b8c9);
    border-radius: var(--os-radius-sm, 6px);
    background: var(--os-color-surface, #fff);
    color: var(--os-color-text, #1b2430);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}

.skip-link:focus { transform: none; }

.app-header {
    position: relative;
    z-index: 30;
    min-width: 0;
    border-bottom: 1px solid var(--os-color-border, #d9e2e6);
    background: var(--os-color-surface, #fff);
    overflow-x: clip;
}

.app-header-inner {
    width: min(100%, 1168px);
    min-height: 76px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    min-width: 0;
}

.app-brand {
    min-width: 0;
    display: inline-flex;
    align-items: baseline;
    gap: 13px;
    color: var(--os-color-navy, #1b2430);
    text-decoration: none;
    white-space: nowrap;
}

.app-brand-wordmark {
    font-size: 17px;
    line-height: 1;
    font-weight: 800;
    letter-spacing: .14em;
}

.app-brand-context {
    color: var(--os-color-text-muted, #60727b);
    font-size: 12px;
    line-height: 1;
    font-weight: 650;
    letter-spacing: .045em;
    text-transform: uppercase;
}

.app-nav {
    display: flex;
    align-items: stretch;
    justify-content: flex-end;
    gap: 4px;
    min-height: 76px;
}

.app-nav-form {
    display: block;
    margin: 0 0 0 8px;
    padding-left: 8px;
    border-left: 1px solid var(--os-color-border, #d9e2e6);
}

.app-nav-link {
    position: relative;
    min-height: 76px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    background: transparent;
    color: var(--os-color-graphite, #26343e);
    font: inherit;
    font-size: 14px;
    font-weight: 650;
    line-height: 1.2;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
}

.app-nav-link::after {
    content: "";
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: -1px;
    height: 2px;
    background: transparent;
}

.app-nav-link:hover { color: var(--os-color-accent-ink, #087986); }
.app-nav-link[aria-current="page"] { color: var(--os-color-navy, #1b2430); }
.app-nav-link[aria-current="page"]::after { background: var(--os-color-accent, #14b8c9); }
.app-logout { color: var(--os-color-text-muted, #60727b); }

.app-menu-toggle,
.app-mobile-nav { display: none; }

@media (max-width: 1060px) {
    .app-header-inner { min-height: 70px; padding: 0 16px; gap: 16px; }
    .app-brand { gap: 0; }
    .app-brand-context { display: none; }
    .app-nav { display: none; }

    .app-menu-toggle {
        min-height: var(--os-control-h-touch, 44px);
        padding: 0 4px 0 10px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 9px;
        border: 0;
        border-radius: var(--os-radius-sm, 6px);
        background: transparent;
        color: var(--os-color-graphite, #26343e);
        font: inherit;
        font-size: 14px;
        font-weight: 700;
        cursor: pointer;
    }

    .app-menu-icon {
        width: 22px;
        height: 18px;
        display: grid;
        align-content: space-between;
    }

    .app-menu-icon i {
        width: 22px;
        height: 2px;
        display: block;
        border-radius: 999px;
        background: currentColor;
        transition: transform .18s ease, opacity .18s ease;
    }

    .app-menu-toggle[aria-expanded="true"] .app-menu-icon i:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .app-menu-toggle[aria-expanded="true"] .app-menu-icon i:nth-child(2) { opacity: 0; }
    .app-menu-toggle[aria-expanded="true"] .app-menu-icon i:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

    .app-mobile-nav {
        width: 100%;
        border-top: 1px solid var(--os-color-border, #d9e2e6);
        background: var(--os-color-surface, #fff);
    }

    .app-mobile-nav:not([hidden]) { display: block; }

    .app-mobile-nav-inner {
        width: min(100%, 1168px);
        margin: 0 auto;
        padding: 10px 16px 16px;
        display: grid;
        gap: 0;
    }

    .app-mobile-link {
        width: 100%;
        min-height: var(--os-control-h-touch, 44px);
        padding: 0 12px;
        display: flex;
        align-items: center;
        border: 0;
        border-radius: var(--os-radius-md, 8px);
        background: transparent;
        color: var(--os-color-graphite, #26343e);
        font: inherit;
        font-size: 15px;
        font-weight: 650;
        text-align: left;
        text-decoration: none;
        cursor: pointer;
    }

    .app-mobile-link:hover { background: var(--os-color-soft, #e8f4f4); }
    .app-mobile-link[aria-current="page"] {
        background: var(--os-color-soft, #e8f4f4);
        color: var(--os-color-accent-ink, #087986);
    }

    .app-mobile-form {
        display: block;
        margin: 8px 0 0;
        padding-top: 8px;
        border-top: 1px solid var(--os-color-border, #d9e2e6);
    }

    .app-mobile-logout { color: var(--os-color-text-muted, #60727b); }
    .container { padding-top: 34px; }
}

@media (max-width: 420px) {
    .app-brand-wordmark { font-size: 16px; }
    .app-menu-toggle { padding-right: 0; }
}

@media (prefers-reduced-motion: reduce) {
    .app-menu-icon i { transition: none; }
}

/* Administrative readouts on narrow screens. */
.quota-list { white-space: nowrap; font-size: 13px; }
.audit-event { overflow-wrap: anywhere; }
@media (max-width: 1000px) {
    .admin-responsive-table, .admin-responsive-table tbody { display: block; width: 100%; }
    .admin-responsive-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
    .admin-responsive-table tr { display: block; padding: 12px; border-bottom: 2px solid var(--line); }
    .admin-responsive-table td { display: block; padding: 8px 0; border: 0; overflow-wrap: anywhere; }
    .admin-responsive-table td::before { content: attr(data-label); display: block; margin-bottom: 4px; color: var(--muted); font-size: 12px; }
    .quota-list { white-space: normal; }
}
@media (min-width: 601px) and (max-width: 1000px) {
    .admin-responsive-table tbody { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
    .filter-grid, .three-fields { grid-template-columns: minmax(0, 1fr); }
    .section-heading, .user-heading { flex-wrap: wrap; }
    .admin-nav { flex-wrap: wrap; }
}

.app-brand { align-items: center; }
.support-contact, .support-ticket-row { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 18px; }
.support-contact h2 { margin-bottom: 6px; }
.support-contact p { margin: 0; }
.support-compose, .support-status { max-width: 820px; margin-bottom: 24px; }
.support-compose textarea { min-height: 140px; }
.support-compose summary { cursor: pointer; font-size: 22px; font-weight: 700; }
.support-list { margin-top: 32px; }
.support-filter, .support-status form { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; }
.support-filter label, .support-status label { min-width: 180px; margin: 0; }
.support-filter > a { padding-bottom: 12px; }
.support-ticket-row { align-items: start; }
.support-ticket-row > div { min-width: 0; }
.support-ticket-title { font-size: 18px; font-weight: 700; overflow-wrap: anywhere; }
.support-ticket-row p { margin: 8px 0 0; }
.support-thread { max-width: 820px; display: grid; gap: 14px; margin: 24px 0; }
.support-message { margin: 0; border-left: 4px solid var(--line); }
.support-message.from-support { border-left-color: var(--accent-dark); }
.support-message.system-message { background: var(--soft); }
.support-message .message-body { white-space: pre-wrap; overflow-wrap: anywhere; margin-bottom: 0; }
.support-message time { color: var(--muted); font-size: 13px; }
.support-subject { overflow-wrap: anywhere; font-size: clamp(26px, 3vw, 38px) !important; }
@media (max-width: 600px) {
    .support-contact, .support-ticket-row { flex-direction: column; align-items: stretch; }
    .support-message .section-heading { flex-direction: column; gap: 8px; }
    .support-status form, .support-filter { display: grid; grid-template-columns: 1fr; }
}
.settings-section { margin-bottom: 24px; }
.admin-nav a[aria-current="page"] { background: var(--soft); color: var(--accent-dark); }
.overview-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.audit-event h2 { font: 700 1.1rem var(--os-font-sans); }
.field-error { color: #a32b2b; font-size: 14px; }
.account-summary { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; margin-bottom: 20px; }
.metric-grid a.metric { color: inherit; text-decoration: none; }
.metric-grid a.metric:hover { border-color: var(--accent, #087986); }
.metric strong small { font-size: 16px; font-weight: 500; }
.admin-form-grid fieldset { display: grid; gap: 16px; padding: 0; margin: 0; border: 0; min-width: 0; }
.admin-form-grid fieldset:disabled { opacity: .65; }
.admin-form-grid section { scroll-margin-top: 24px; }
.admin-form-grid .help-details { margin: 12px 0 20px; }
.help-details summary, .filter-details summary { cursor: pointer; color: var(--muted); }
.help-details p { font-size: 14px; }
.user-heading h1 { font-size: clamp(26px, 3vw, 38px); overflow-wrap: anywhere; }
.filter-search { display: flex; align-items: end; flex-wrap: wrap; gap: 12px; }
.filter-search label { flex: 1 1 220px; margin: 0; }
.filter-search > a { padding: 12px 0; }
.filter-details { margin-top: 16px; }
.filter-details summary { margin-bottom: 12px; }
.filter-details .filter-grid { margin: 0; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.checkbox-label { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.checkbox-label input[type="checkbox"] { width: 18px; height: 18px; margin: 0; }
.quota-control { min-width: 0; }
.quota-control input:disabled { background: #f0f4f5; }
.access-preview { padding: 12px; background: #edf6f6; border-radius: 8px; font-size: 14px; }
.results-count { margin: 16px 0; color: var(--muted); }
@media (max-width: 600px) {
    .filter-details .filter-grid, .overview-metrics { grid-template-columns: 1fr; }
    .account-summary { flex-direction: column; align-items: start; gap: 10px; }
    .filter-search label { flex-basis: 100%; }
    .filter-search .button { flex: 1; }
    .user-filters { padding: 16px; }
    .help-details { font-size: 14px; }
}
.app-brand-logo { display: block; width: 156px; height: 49px; flex-shrink: 0; }
@media (max-width: 600px) { .app-brand-logo { width: 132px; height: 42px; } }

.processing-terms {
    margin: 20px 0 12px;
    padding: 14px 16px;
    border: 1px solid var(--line, #dce5e8);
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.55;
}
.processing-terms summary { cursor: pointer; font-weight: 650; }
.processing-terms p { margin: 10px 0 0; }
.processing-acceptance {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    font-size: 14px;
    line-height: 1.5;
}
.processing-acceptance input[type="checkbox"] {
    flex: 0 0 auto;
    width: 17px;
    height: 17px;
    margin: 2px 0 0;
    accent-color: #077e88;
}