h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ===================== PayHub brand UI ===================== */

html, body {
    font-family: 'Inter', 'Roboto', 'Segoe UI', Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* Tabular figures so money/amount columns align cleanly. */
.payhub-money {
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum" 1;
}

/* App bar: subtle bottom hairline instead of a heavy shadow. */
.payhub-appbar {
    border-bottom: 1px solid var(--mud-palette-divider);
    backdrop-filter: saturate(120%);
}

.payhub-brand {
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1;
}

/* Square brand mark with the primary brand color. */
.payhub-logo {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.05rem;
    color: #fff;
    background: linear-gradient(135deg, var(--mud-palette-primary), var(--mud-palette-secondary));
    box-shadow: 0 2px 6px rgba(67, 56, 202, 0.35);
}

.payhub-usermenu {
    border-radius: 999px;
    cursor: pointer;
    transition: background-color .15s ease;
}
.payhub-usermenu:hover {
    background-color: var(--mud-palette-action-default-hover);
}

/* Logout submit button styled to match menu items. */
.payhub-logout-btn {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 10px 16px;
    background: none;
    border: 0;
    cursor: pointer;
    font: inherit;
    color: var(--mud-palette-text-primary);
    text-align: left;
}
.payhub-logout-btn:hover {
    background-color: var(--mud-palette-action-default-hover);
}

/* Drawer + nav polish. */
.payhub-drawer {
    border-right: 1px solid var(--mud-palette-divider);
}
.payhub-nav {
    padding-top: 8px;
}
.payhub-nav .mud-nav-link {
    border-radius: 8px;
    margin: 2px 8px;
}
.payhub-drawer-footer {
    margin-top: auto;
    padding: 14px 18px;
    border-top: 1px solid var(--mud-palette-divider);
}

.payhub-main {
    background-color: var(--mud-palette-background);
    min-height: 100vh;
}

/* Cards: soft outline + gentle hover lift. */
.payhub-card {
    border-radius: 12px;
    border-color: var(--mud-palette-lines-default);
    transition: box-shadow .18s ease, transform .18s ease;
}
.payhub-kpi--link:hover {
    box-shadow: 0 6px 18px rgba(0, 0, 0, .08);
    transform: translateY(-2px);
}

/* Slimmer, themed scrollbars. */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--mud-palette-lines-default) transparent;
}
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb {
    background-color: var(--mud-palette-lines-default);
    border-radius: 8px;
    border: 2px solid transparent;
    background-clip: content-box;
}

/* ---- Charts ---- */
.payhub-trend { width: 100%; }
.payhub-trend svg { display: block; }

.payhub-barlist { display: flex; flex-direction: column; gap: 12px; }
.payhub-barlist__row {
    display: grid;
    grid-template-columns: minmax(80px, 130px) 1fr auto;
    align-items: center;
    gap: 12px;
}
.payhub-barlist__label {
    font-size: 0.82rem;
    color: var(--mud-palette-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.payhub-barlist__track {
    height: 8px;
    border-radius: 999px;
    background: var(--mud-palette-lines-default);
    overflow: hidden;
}
.payhub-barlist__fill {
    height: 100%;
    border-radius: 999px;
    transition: width .4s ease;
}
.payhub-barlist__value { font-size: 0.82rem; font-weight: 600; white-space: nowrap; }

.payhub-donut { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.payhub-donut__svg { flex: 0 0 auto; }
.payhub-donut__total {
    font-size: 6px; font-weight: 700; text-anchor: middle;
    fill: var(--mud-palette-text-primary);
}
.payhub-donut__caption {
    font-size: 2.4px; text-anchor: middle; text-transform: uppercase;
    letter-spacing: 0.1em; fill: var(--mud-palette-text-secondary);
}
.payhub-donut__legend { display: flex; flex-direction: column; gap: 8px; min-width: 140px; }
.payhub-donut__legend-item { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; }
.payhub-donut__dot { width: 10px; height: 10px; border-radius: 3px; flex: 0 0 auto; }
.payhub-donut__legend-label { color: var(--mud-palette-text-secondary); }
.payhub-donut__legend-value { margin-left: auto; font-weight: 600; font-variant-numeric: tabular-nums; }

/* ---- Detail facts + raw payload ---- */
.payhub-fact { display: flex; justify-content: space-between; gap: 16px; padding: 3px 0; }
.payhub-fact__label { color: var(--mud-palette-text-secondary); font-size: 0.82rem; }
.payhub-fact__value {
    font-size: 0.85rem; font-weight: 500; text-align: right;
    word-break: break-word; font-variant-numeric: tabular-nums;
}
.payhub-raw {
    margin: 0;
    padding: 12px 14px;
    border-radius: 8px;
    background: var(--mud-palette-background-gray);
    border: 1px solid var(--mud-palette-lines-default);
    font-family: 'Cascadia Code', 'Consolas', ui-monospace, monospace;
    font-size: 0.78rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 320px;
    overflow: auto;
}

/* Clickable table rows on list views. */
.payhub-rowlink tr.mud-table-row { cursor: pointer; }

/* ===================== Knowledge Base ===================== */

/* Sticky topic index on the left of the KB. */
.kb-toc { position: sticky; top: 88px; }
.kb-toc .mud-nav-link { border-radius: 8px; margin: 1px 6px; }
.kb-toc .mud-nav-group > .mud-nav-link { font-weight: 600; }

/* Reading column: comfortable measure + rhythm for long-form docs. */
.kb-prose { max-width: 860px; }
.kb-prose p { line-height: 1.65; }
.kb-prose code {
    font-family: 'Cascadia Code', 'Consolas', ui-monospace, monospace;
    font-size: 0.82em;
    padding: 1px 6px;
    border-radius: 5px;
    background: var(--mud-palette-background-gray);
    border: 1px solid var(--mud-palette-lines-default);
}
.kb-prose pre.payhub-raw code { background: none; border: 0; padding: 0; }

/* Numbered "how-to" steps. */
.kb-steps { counter-reset: kb; display: flex; flex-direction: column; gap: 14px; margin: 4px 0; }
.kb-step { display: grid; grid-template-columns: 30px 1fr; gap: 12px; align-items: start; }
.kb-step::before {
    counter-increment: kb; content: counter(kb);
    width: 28px; height: 28px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.85rem; color: #fff;
    background: linear-gradient(135deg, var(--mud-palette-primary), var(--mud-palette-secondary));
}
.kb-step__title { font-weight: 600; }
.kb-step__body { color: var(--mud-palette-text-secondary); font-size: 0.9rem; }

/* Diagram frame. */
.kb-diagram {
    margin: 8px 0 4px;
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: 12px;
    background: var(--mud-palette-background-gray);
    overflow: hidden;
}
.kb-diagram__canvas { padding: 18px 16px; overflow-x: auto; }
.kb-diagram__canvas svg { display: block; width: 100%; height: auto; max-width: 100%; }
.kb-diagram__caption {
    display: flex; align-items: center;
    padding: 8px 14px;
    border-top: 1px solid var(--mud-palette-lines-default);
    font-size: 0.78rem; color: var(--mud-palette-text-secondary);
    background: var(--mud-palette-surface);
}

/* --- Reusable SVG flowchart primitives (theme-aware) --- */
.kb-svg text { font-family: 'Inter', 'Segoe UI', sans-serif; }
.kb-node { fill: var(--mud-palette-surface); stroke: var(--mud-palette-lines-default); stroke-width: 1.5; }
.kb-node--primary   { fill: color-mix(in srgb, var(--mud-palette-primary) 12%, var(--mud-palette-surface)); stroke: var(--mud-palette-primary); }
.kb-node--success   { fill: color-mix(in srgb, var(--mud-palette-success) 14%, var(--mud-palette-surface)); stroke: var(--mud-palette-success); }
.kb-node--warning   { fill: color-mix(in srgb, var(--mud-palette-warning) 16%, var(--mud-palette-surface)); stroke: var(--mud-palette-warning); }
.kb-node--error     { fill: color-mix(in srgb, var(--mud-palette-error) 14%, var(--mud-palette-surface)); stroke: var(--mud-palette-error); }
.kb-node--info      { fill: color-mix(in srgb, var(--mud-palette-info) 14%, var(--mud-palette-surface)); stroke: var(--mud-palette-info); }
.kb-node--muted     { fill: var(--mud-palette-background-gray); stroke: var(--mud-palette-lines-default); stroke-dasharray: 4 3; }
.kb-title { fill: var(--mud-palette-text-primary); font-weight: 600; font-size: 13px; }
.kb-sub   { fill: var(--mud-palette-text-secondary); font-size: 10.5px; }
.kb-edge  { stroke: var(--mud-palette-text-secondary); stroke-width: 1.6; fill: none; }
.kb-edge--dashed { stroke-dasharray: 5 4; }
.kb-edge-label { fill: var(--mud-palette-text-secondary); font-size: 10px; }
.kb-lane { fill: var(--mud-palette-background); stroke: var(--mud-palette-lines-default); stroke-width: 1; }
.kb-lane-label { fill: var(--mud-palette-text-secondary); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }

/* Endpoint reference rows. */
.kb-ep { display: grid; grid-template-columns: 78px 1fr; gap: 10px; align-items: baseline; padding: 6px 0; border-bottom: 1px dashed var(--mud-palette-lines-default); }
.kb-ep:last-child { border-bottom: 0; }
.kb-verb { font-weight: 700; font-size: .72rem; text-align: center; padding: 2px 0; border-radius: 5px; letter-spacing: .04em; }
.kb-verb--get { color: var(--mud-palette-success); background: color-mix(in srgb, var(--mud-palette-success) 14%, transparent); }
.kb-verb--post { color: var(--mud-palette-info); background: color-mix(in srgb, var(--mud-palette-info) 14%, transparent); }
.kb-verb--put { color: var(--mud-palette-warning); background: color-mix(in srgb, var(--mud-palette-warning) 16%, transparent); }
.kb-verb--delete { color: var(--mud-palette-error); background: color-mix(in srgb, var(--mud-palette-error) 14%, transparent); }
.kb-ep__path { font-family: 'Cascadia Code', 'Consolas', ui-monospace, monospace; font-size: .82rem; }
.kb-ep__desc { color: var(--mud-palette-text-secondary); font-size: .8rem; }