/* AccountantOS operator design system. Keep operator rules isolated from the public website. */
.app-shell {
    --aos-space-1: 4px;
    --aos-space-2: 8px;
    --aos-space-3: 12px;
    --aos-space-4: 16px;
    --aos-space-5: 24px;
    --aos-control-h: 44px;
    --aos-control-h-compact: 44px;
    --aos-radius-sm: 8px;
    --aos-radius-md: 12px;
    --aos-radius-lg: 16px;
    --aos-border: #dbe3ec;
    --aos-border-strong: #c5d1dd;
    --aos-bg: #f7f8fa;
    --aos-surface: #ffffff;
    --aos-text: #1f2933;
    --aos-muted: #5f6b7a;
    --aos-accent: #0f766e;
    --aos-accent-soft: #ecfdf5;
    --aos-danger: #b91c1c;
    background: var(--aos-bg);
}

.app-header {
    padding: 9px 12px 8px;
    box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.app-header-top {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.app-header-top .brand {
    flex: 1 1 auto;
    min-width: 0;
    max-width: 100%;
}

.brand-section-separator { margin: 0 0.12rem; }
.brand-section { flex: 1 1 auto; min-width: 0; }
.aos-runtime-badge {
    flex: 0 0 auto;
    padding: 3px 7px;
    border: 1px solid rgba(255,255,255,0.55);
    border-radius: 999px;
    font-size: 0.68rem;
    font-weight: 850;
    letter-spacing: 0.06em;
    line-height: 1.1;
}
.aos-runtime-badge--test { background: #fef3c7; border-color: #fcd34d; color: #78350f; }
.aos-runtime-badge--invalid { background: #fee2e2; border-color: #fca5a5; color: #7f1d1d; }
.app-header-signout { flex: 0 0 auto; margin-left: auto; }
.logout-button { min-height: 44px; padding: 4px 0 4px 10px; }

.nav-bar {
    gap: 18px;
    margin-top: 4px;
}

.nav-bar a {
    min-height: 44px;
    padding: 7px 0 6px;
    font-size: 0.88rem;
    font-weight: 650;
}

.app-main {
    width: min(100%, 980px);
    padding: 12px;
}

/* The client bar owns client context only. Global destinations belong to global navigation. */
.operator-context-bar {
    position: static;
    z-index: auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(150px, 240px);
    gap: var(--aos-space-2);
    align-items: center;
    min-height: 48px;
    padding: 7px 0 9px;
    border-bottom: 1px solid var(--aos-border);
    margin-bottom: var(--aos-space-3);
    background: transparent;
}

.operator-context-bar__identity {
    display: flex;
    min-width: 0;
    align-items: baseline;
    gap: 8px;
}

.operator-context-bar__identity strong {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--aos-text);
}

.operator-context-bar__identity small { color: var(--aos-muted); white-space: nowrap; }
.operator-context-bar__switcher { margin: 0; min-width: 0; }

/* Semantic control contracts. */
.app-shell select {
    min-height: var(--aos-control-h-compact);
}

.aos-nav-link,
.app-shell a.aos-nav-link {
    display: inline-flex;
    align-items: center;
    min-height: var(--aos-control-h);
    color: var(--aos-accent);
    text-decoration: none;
    font-weight: 700;
}
.aos-nav-link:hover { text-decoration: underline; }

.aos-action,
.app-shell button.aos-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--aos-control-h);
    width: auto;
    padding: 0 13px;
    border: 1px solid var(--aos-border-strong);
    border-radius: var(--aos-radius-sm);
    background: var(--aos-surface);
    color: var(--aos-text);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}
.aos-action:hover { background: #f1f5f9; }
.aos-action:disabled { opacity: 0.5; cursor: not-allowed; }
.aos-action--primary { background: var(--aos-text); color: white; border-color: var(--aos-text); }

.aos-select,
.app-shell select.aos-select {
    width: 100%;
    min-width: 0;
    height: var(--aos-control-h-compact);
    padding: 0 30px 0 10px;
    border: 1px solid var(--aos-border-strong);
    border-radius: var(--aos-radius-sm);
    background: var(--aos-surface);
    color: var(--aos-text);
    font: inherit;
}

.aos-status {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    width: fit-content;
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px solid var(--aos-border);
    background: #f8fafc;
    color: #475569;
    font-size: 0.76rem;
    font-weight: 750;
    white-space: nowrap;
}
.aos-status--ready, .aos-status--success { border-color: #a7d7c9; background: var(--aos-accent-soft); color: var(--aos-accent); }
.aos-status--warning { border-color: #fed7aa; background: #fff7ed; color: #9a3412; }
.aos-status--danger, .aos-status--blocked { border-color: #fecaca; background: #fff7f7; color: var(--aos-danger); }

/* Accessible disclosure for explanation that should not occupy routine screen space. */
.aos-info {
    position: relative;
    display: inline-flex;
    vertical-align: middle;
}
.aos-info > summary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--aos-border-strong);
    border-radius: 999px;
    background: var(--aos-surface);
    color: #475569;
    cursor: pointer;
    font-size: 0.82rem;
    font-weight: 850;
    list-style: none;
    user-select: none;
}
.aos-info > summary::-webkit-details-marker { display: none; }
.aos-info[open] > summary { border-color: var(--aos-accent); color: var(--aos-accent); background: var(--aos-accent-soft); }
.aos-info__popover {
    position: absolute;
    z-index: 80;
    top: calc(100% + 7px);
    right: 0;
    width: min(290px, calc(100vw - 28px));
    padding: 11px 12px;
    border: 1px solid var(--aos-border);
    border-radius: var(--aos-radius-md);
    background: white;
    color: #475569;
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.15);
    font-size: 0.83rem;
    line-height: 1.45;
}
.aos-info__heading {
    margin: 0 0 6px;
    color: var(--aos-text);
    font-size: 0.83rem;
    font-weight: 800;
    line-height: 1.3;
}
.aos-info__popover p { margin: 0; }
.aos-info__popover p + p { margin-top: 8px; }

/* Low-chrome layout primitives used while decorative cards are retired. */
.aos-section { padding: var(--aos-space-3) 0; }
.aos-section + .aos-section { border-top: 1px solid var(--aos-border); }
.aos-section-header { display: flex; align-items: center; justify-content: space-between; gap: var(--aos-space-2); margin-bottom: var(--aos-space-2); }
.aos-section-header h1, .aos-section-header h2, .aos-section-header h3 { margin: 0; }
.aos-row { display: flex; align-items: center; justify-content: space-between; gap: var(--aos-space-3); min-height: 44px; padding: 7px 0; }
.aos-row + .aos-row { border-top: 1px solid #edf1f5; }
.aos-divider { height: 1px; margin: var(--aos-space-3) 0; background: var(--aos-border); }
.aos-title-with-status { display: flex; align-items: center; gap: 9px; min-width: 0; }
.aos-title-with-status h1, .aos-title-with-status h2, .aos-title-with-status h3 { margin: 0; min-width: 0; }
.aos-destination-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(145px, 1fr)); gap: 0; border-top: 1px solid var(--aos-border); }
.aos-destination { display: grid; gap: 2px; min-height: 58px; padding: 9px 10px; color: var(--aos-text); text-decoration: none; border-bottom: 1px solid var(--aos-border); }
.aos-destination + .aos-destination { border-left: 1px solid var(--aos-border); }
.aos-destination span { color: var(--aos-muted); font-size: 0.72rem; font-weight: 750; text-transform: uppercase; letter-spacing: 0.04em; }
.aos-destination strong { font-size: 0.92rem; }
.aos-destination:hover { background: #f8fafc; }
.aos-disclosure { border-top: 1px solid var(--aos-border); padding: 9px 0 0; }
.aos-disclosure > summary { min-height: 44px; display: flex; align-items: center; color: #475569; font-weight: 750; cursor: pointer; list-style: none; }
.aos-disclosure > summary::-webkit-details-marker { display: none; }
.aos-disclosure > summary::after { content: '+'; margin-left: auto; color: var(--aos-muted); }
.aos-disclosure[open] > summary::after { content: '−'; }

/* Operator buttons stay intrinsic on phones. Full-width is opt-in, never a blanket rule. */
.app-shell .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    max-width: 100%;
    min-height: var(--aos-control-h);
    padding: 8px 12px;
    margin: 3px 4px 3px 0;
    border-radius: var(--aos-radius-sm);
    box-shadow: none;
}
.app-shell .btn-primary { box-shadow: none; }
.app-shell .btn-block, .app-shell .aos-full-width { width: 100%; }

/* Passive cards must not imply clickability. */
.app-shell .summary-card,
.app-shell .sa-stage-card,
.app-shell .sa-readiness-card {
    cursor: default;
    box-shadow: none;
}

.client-select-list { display: grid; border-top: 1px solid var(--aos-border); }
.client-select-row { display: grid; gap: 2px; padding: 9px 2px; min-height: 48px; color: var(--aos-text); text-decoration: none; border-bottom: 1px solid var(--aos-border); }
.client-select-row strong { font-size: 0.94rem; }
.client-select-row small { color: var(--aos-muted); }
.client-select-row:hover { background: #f8fafc; }
.client-select-row--selected { color: var(--aos-accent); }
.client-home { padding-top: 6px; }
.client-home-destinations { margin-bottom: 2px; }
.client-profile-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0 14px; padding: 6px 0 10px; }
.client-profile-grid > div { display: grid; gap: 2px; min-height: 48px; align-content: center; border-bottom: 1px solid #edf1f5; }
.client-profile-grid span { color: var(--aos-muted); font-size: 0.72rem; font-weight: 750; text-transform: uppercase; letter-spacing: 0.04em; }
.client-profile-sensitive { grid-template-columns: minmax(0,1fr) auto; }
.client-profile-sensitive span { grid-column: 1 / -1; }
.client-profile-sensitive .aos-action { grid-column: 2; grid-row: 2; min-height: 34px; }
.client-home .client-work-lanes { margin: 8px 0 4px; }
.client-home .client-work-lane-grid { grid-template-columns: 1fr; gap: 0; }
.client-home .client-work-lane { border: 0; border-bottom: 1px solid var(--aos-border); border-radius: 0; padding: 9px 0; background: transparent; box-shadow: none; }
.client-home .client-work-lane p { display: none; }
.compact-form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px 10px; align-items: end; padding: 8px 0 10px; }
.compact-form-grid--wide { grid-column: span 2; }
.practice-capacity-list { display: grid; }
.practice-capacity-list .aos-row small { display: block; margin-top: 2px; color: var(--aos-muted); font-size: 0.75rem; }
.practice-home + .aos-disclosure { margin-top: 2px; }
.practice-home .aos-destination-list { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 700px) {
    .app-header { padding: 8px 10px 6px; }
    .nav-bar { gap: 16px; }
    .app-main { padding: 9px 10px 16px; }
    .operator-context-bar {
        grid-template-columns: minmax(0, 1fr) minmax(128px, 48%);
        min-height: 44px;
        padding: 5px 0 7px;
        margin-bottom: 8px;
    }
    .operator-context-bar__identity { display: grid; gap: 1px; }
    .operator-context-bar__identity small { font-size: 0.72rem; }
    .aos-info__popover { position: fixed; top: auto; right: 12px; bottom: 12px; left: 12px; width: auto; }
    .app-shell .btn { width: auto; }
}