:root {
    color-scheme: light;
    --background: #f4f6f8;
    --surface: #ffffff;
    --text: #1c2937;
    --muted: #647383;
    --border: #dde4ea;
    --accent: #087c76;
    --accent-soft: #e5f3f0;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    font-synthesis: none;
}
.auth-card { max-width: 480px; margin: 32px auto; padding: 32px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; }
.auth-card form { display: grid; gap: 12px; margin-top: 24px; }
.auth-card label { font-size: .85rem; font-weight: 600; }
.auth-card input:not([type=hidden]) { width: 100%; padding: 12px; border: 1px solid var(--border); border-radius: 7px; background: white; color: var(--text); }
.auth-button { border: 0; border-radius: 7px; padding: 13px; background: var(--accent); color: var(--ui-on-accent); cursor: pointer; margin-top: 8px; }
.auth-error { color: #a32525; padding: 12px; background: #fff1f1; border-radius: 7px; }
.scope-list { padding-left: 20px; display: grid; gap: 16px; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--background); color: var(--text); line-height: 1.5; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
a, label, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, input:focus-visible, summary:focus-visible {
    outline: 3px solid var(--accent); outline-offset: 4px; border-radius: 4px;
}
h1, h2, p { margin-top: 0; }
h1 { font-size: clamp(1.75rem, 3vw, 2.5rem); line-height: 1.2; letter-spacing: -.045em; margin-bottom: 12px; }
.skip-link {
    position: fixed; z-index: 10; left: 16px; top: -80px;
    padding: 12px 18px; background: var(--text); color: white; border-radius: 8px;
}
.skip-link:focus { top: 12px; }
.brand { display: inline-flex; gap: 12px; align-items: center; font-weight: 750; letter-spacing: .13em; font-size: 1.1rem; }
span:has(> .arctab-brand-image) { display: inline-grid; place-items: center; padding: 0; border: 0 !important; background: transparent !important; box-shadow: none !important; }
.arctab-brand-image { display: block; width: 100%; height: 100%; object-fit: contain; }
.platform-customer-role-eyebrow > span:has(> .arctab-brand-image) { width: 22px; height: 22px; flex: 0 0 22px; }
.brand-symbol {
    display: grid; place-items: center; width: 38px; height: 42px;
    color: white; background: var(--accent); border-radius: 10px 3px 10px 3px; font-size: 1.3rem; letter-spacing: 0;
}
.brand-caption { display: block; font-size: .53rem; font-weight: 600; color: var(--muted); letter-spacing: .16em; }
.workspace-label, .eyebrow { color: var(--accent); font-size: .68rem; letter-spacing: .16em; font-weight: 750; }
.page-heading { margin-bottom: 30px; }
.page-heading .eyebrow { margin-bottom: 12px; }
.page-description { color: var(--muted); font-size: .92rem; max-width: 680px; overflow-wrap: anywhere; }
.empty-state {
    min-height: 310px; display: flex; flex-direction: column; align-items: center; justify-content: center;
    text-align: center; padding: 48px 24px; background: var(--surface); border: 1px dashed #c7d3db; border-radius: 12px;
}
.empty-symbol { display: grid; place-items: center; width: 56px; height: 56px; font-size: 2rem; background: var(--accent-soft); color: var(--accent); border-radius: 16px; margin-bottom: 20px; }
.empty-state h2 { font-size: 1.05rem; margin-bottom: 8px; font-weight: 650; }
.empty-state p { max-width: 450px; color: var(--muted); font-size: .87rem; margin-bottom: 0; }
.empty-links { margin-top: 24px; }
.account-shell { min-height: 100dvh; display: flex; flex-direction: column; }
.account-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 28px clamp(20px, 5vw, 70px); border-bottom: 1px solid var(--border); background: var(--surface); }
.account-main { width: min(100%, 1060px); margin: auto; padding: 64px 28px; flex: 1; }
.account-footer { padding: 24px; text-align: center; color: var(--muted); font-size: .74rem; }
.text-link { color: var(--accent); font-size: .85rem; font-weight: 600; }
.welcome-heading { max-width: 650px; margin-bottom: 42px; }
.welcome-heading h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
.welcome-heading > p:last-child { color: var(--muted); }
.area-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.area-card { display: flex; flex-direction: column; padding: 32px; background: white; border: 1px solid var(--border); border-radius: 14px; }
.area-card:hover { border-color: var(--accent); box-shadow: 0 8px 28px #183b3c09; }
.area-card-index { color: var(--accent); font-size: .67rem; letter-spacing: .12em; font-weight: 700; margin-bottom: 30px; }
.area-card h2 { font-size: 1.4rem; letter-spacing: -.03em; margin-bottom: 10px; }
.area-card p { font-size: .88rem; color: var(--muted); margin-bottom: 30px; }
.area-card-action { margin-top: auto; display: flex; justify-content: space-between; gap: 15px; font-weight: 600; font-size: .8rem; color: var(--accent); }
.shell-notice { color: var(--muted); font-size: .78rem; margin-top: 24px; max-width: 650px; }
@media (max-width: 720px) {
    .account-header { padding: 20px; }
    .account-main { padding: 40px 20px; }
    .area-cards { grid-template-columns: 1fr; gap: 16px; }
    .area-card { padding: 26px; }
    .area-card-index { margin-bottom: 22px; }
    .welcome-heading { margin-bottom: 28px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; }
}
@media print {
    .account-header, .account-footer { display: none !important; }
    .account-main { max-width: none; padding: 0; }
    body { background: white; }
}