/* MuoyApp shared UI foundations.
   Loaded after feature CSS so shared primitives remain predictable. */
:root {
  --ui-space-1: 4px;
  --ui-space-2: 8px;
  --ui-space-3: 12px;
  --ui-space-4: 16px;
  --ui-space-5: 20px;
  --ui-space-6: 24px;
  --ui-space-8: 32px;
  --ui-radius-sm: 6px;
  --ui-radius-md: 10px;
  --ui-radius-lg: 16px;
  --ui-control-height: 48px;
  --ui-page-gutter: clamp(16px, 3vw, 40px);
  --ui-content-width: 1680px;
}

.ui-page {
  width: 100%;
  max-width: var(--ui-content-width);
  margin-inline: auto;
  padding: var(--ui-space-8) var(--ui-page-gutter);
}

.ui-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--ui-space-5);
  margin-bottom: var(--ui-space-6);
}

.ui-page-header h1,
.ui-page-header p { margin: 0; }
.ui-page-header p { margin-top: var(--ui-space-2); color: var(--muted); }

.ui-button {
  min-height: var(--ui-control-height);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ui-space-2);
  padding: 0 var(--ui-space-5);
  border: 1px solid transparent;
  border-radius: var(--ui-radius-sm);
  font: inherit;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .16s ease, border-color .16s ease, color .16s ease, box-shadow .16s ease;
}

.ui-button--primary { color: #fff; background: var(--blue); }
.ui-button--secondary { color: var(--text); border-color: var(--line); background: var(--surface); }
.ui-button--danger { color: #fff; background: var(--danger); }
.ui-button--quiet { color: var(--blue); background: transparent; }
.ui-button--full { width: 100%; }
.ui-button:hover:not(:disabled) { filter: brightness(1.06); }
.ui-button:focus-visible,
.ui-icon-button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--blue) 38%, transparent);
  outline-offset: 3px;
}

.ui-icon-button {
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  cursor: pointer;
}

.ui-icon-button svg { width: 20px; height: 20px; }
.ui-icon-button:hover { color: var(--blue); border-color: color-mix(in srgb, var(--blue) 55%, var(--line)); }

.ui-field { display: grid; gap: var(--ui-space-2); color: var(--text); font-weight: 700; }
.ui-field :is(input, select, textarea) {
  width: 100%;
  min-height: var(--ui-control-height);
  border: 1px solid var(--line);
  border-radius: var(--ui-radius-sm);
  padding: 12px 14px;
  color: var(--text);
  background: color-mix(in srgb, var(--surface) 82%, var(--bg));
  font: inherit;
}
.ui-field :is(input, select, textarea):focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 16%, transparent);
}
.ui-field__hint { color: var(--muted); font-size: .82rem; font-weight: 500; line-height: 1.4; }
.ui-field__error { color: var(--danger); font-size: .82rem; font-weight: 700; }

body.ui-dialog-open { overflow: hidden; }

.ui-dialog {
  position: fixed;
  z-index: 100;
  left: 50%;
  top: 50%;
  width: min(620px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  transform: translate(-50%, -50%);
  padding: var(--ui-space-5);
  border: 1px solid var(--line);
  border-radius: var(--ui-radius-lg);
  color: var(--text);
  background: var(--surface);
  box-shadow: 0 0 0 100vmax rgba(2, 12, 27, .58), 0 32px 100px rgba(0, 0, 0, .48);
}
.ui-dialog[hidden] { display: none !important; }
.ui-dialog__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--ui-space-4);
  padding-bottom: var(--ui-space-4);
  border-bottom: 1px solid var(--line);
}
.ui-dialog__title { margin: 0; font-size: 1.05rem; line-height: 1.35; }
.ui-dialog__body { padding-top: var(--ui-space-4); }
.ui-dialog__actions {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: var(--ui-space-3);
  padding-top: var(--ui-space-5);
}

@media (max-width: 680px) {
  .ui-page { padding-top: var(--ui-space-5); padding-bottom: var(--ui-space-6); }
  .ui-page-header { display: grid; }
  .ui-dialog { width: calc(100vw - 20px); max-height: calc(100vh - 20px); padding: var(--ui-space-4); }
  .ui-dialog__actions > * { flex: 1 1 auto; }
}

/* Feature migration bridge. These rules let established screens adopt the
   shared controls incrementally without changing their business markup. */
body.ui-feature-page .page-content {
  width: 100%;
  max-width: var(--ui-content-width);
  margin-inline: auto;
  padding-inline: var(--ui-page-gutter);
}

body.ui-feature-page :is(
  .notification-simple-header,
  .settings-workspace-header,
  .permission-page-hero,
  .schedule-page-head,
  .payroll-readiness-hero,
  .attendance-management-panel .module-toolbar,
  .section-heading.row-heading
) {
  gap: var(--ui-space-5);
}

body.ui-feature-page :is(
  .permission-form,
  .settings-workspace-form,
  .attendance-filter-form,
  .attendance-correction-form,
  .schedule-date-toolbar,
  .schedule-form
) > label,
body.ui-feature-page :is(.form-grid, .compact-form) > label {
  display: grid;
  gap: var(--ui-space-2);
  color: var(--text);
  font-weight: 700;
}

body.ui-feature-page :is(
  .permission-form,
  .settings-workspace-form,
  .attendance-filter-form,
  .attendance-correction-form,
  .schedule-date-toolbar,
  .schedule-form
) :is(input, select, textarea):not([type="checkbox"]):not([type="radio"]):not([type="hidden"]) {
  min-height: var(--ui-control-height);
  border-radius: var(--ui-radius-sm);
}

body.ui-feature-page :is(
  .primary-btn,
  .soft-btn,
  .ghost-btn,
  .btn.primary,
  button[type="submit"]
) {
  min-height: var(--ui-control-height);
  border-radius: var(--ui-radius-sm);
  padding-inline: var(--ui-space-5);
}

body.ui-feature-page :is(.panel, .content-card, .notification-inbox-panel) {
  border-radius: var(--ui-radius-lg);
}

body.ui-feature-page :is(.notification-card, .permission-module-chip, .payroll-readiness-card, .schedule-record-card) {
  border-radius: var(--ui-radius-md);
}

.account-menu { position: relative; }
.account-menu > summary { list-style: none; }
.account-menu > summary::-webkit-details-marker { display: none; }
.account-menu-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 80;
  width: min(300px, calc(100vw - 24px));
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--ui-radius-md);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}
.account-menu-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 8px 12px;
  border-bottom: 1px solid var(--line);
}
.account-menu-heading strong,
.account-menu-heading small { display: block; }
.account-menu-heading small { margin-top: 3px; color: var(--muted); }
.account-menu-close {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--text);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}
.account-menu-panel .menu-row {
  display: flex;
  min-height: 44px;
  align-items: center;
  padding: 10px 12px;
  border-radius: var(--ui-radius-sm);
  color: var(--text);
  font-weight: 750;
}
.account-menu-panel .menu-row:hover,
.account-menu-panel .menu-row:focus-visible { background: color-mix(in srgb, var(--blue) 12%, transparent); }

.payroll-period-grid { display: grid; gap: var(--ui-space-3); margin-top: var(--ui-space-5); }
.payroll-workspace-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--ui-space-3);
  margin-bottom: var(--ui-space-5);
}
.payroll-workspace-tabs a {
  display: grid;
  gap: 3px;
  padding: var(--ui-space-4);
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--ui-radius-md);
  background: color-mix(in srgb, var(--surface) 86%, var(--bg));
}
.payroll-workspace-tabs a:hover,
.payroll-workspace-tabs a.is-active {
  border-color: var(--blue);
  background: color-mix(in srgb, var(--blue) 12%, var(--surface));
}
.payroll-workspace-tabs a.is-active { box-shadow: inset 4px 0 0 var(--blue); }
.payroll-workspace-tabs span { font-weight: 800; }
.payroll-workspace-tabs small { color: var(--muted); }
.payroll-readiness-panel { gap: var(--ui-space-6); }
.payroll-readiness-grid {
  grid-template-columns: repeat(3, minmax(240px, 1fr));
  gap: var(--ui-space-4);
}
.payroll-readiness-card {
  min-height: 190px;
  align-content: start;
  padding: var(--ui-space-5);
}
.payroll-readiness-card__head {
  grid-template-columns: 12px minmax(0, 1fr) auto;
  align-items: start;
}
.payroll-readiness-card__head > div {
  display: flex;
  min-width: 0;
  flex-direction: column-reverse;
  gap: var(--ui-space-2);
}
.payroll-readiness-card__head h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.3;
}
.payroll-readiness-card__head small { line-height: 1.55; }
.payroll-readiness-card__head strong { min-width: 2ch; text-align: right; }
.payroll-readiness-card__empty {
  display: block;
  margin-top: auto;
  padding-top: var(--ui-space-3);
  border-top: 1px solid var(--line);
  font-size: .85rem;
}
.payroll-readiness-card__empty::before {
  content: "✓";
  margin-right: var(--ui-space-2);
  color: var(--green);
  font-weight: 900;
}
.payroll-readiness-card > .soft-btn { width: 100%; margin-top: auto; }

@media (max-width: 1380px) {
  .payroll-readiness-grid { grid-template-columns: repeat(2, minmax(240px, 1fr)); }
}
.payroll-period-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--ui-space-4);
  padding: var(--ui-space-4);
  border: 1px solid var(--line);
  border-radius: var(--ui-radius-md);
  background: color-mix(in srgb, var(--surface) 86%, var(--bg));
}
.payroll-period-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--ui-radius-md);
  color: var(--blue);
  background: color-mix(in srgb, var(--blue) 13%, transparent);
}
.payroll-period-card strong,
.payroll-period-card small { display: block; }
.payroll-period-card small { margin-top: var(--ui-space-1); color: var(--muted); }
.payroll-period-actions { display: flex; align-items: center; justify-content: flex-end; gap: var(--ui-space-3); }
.payroll-empty-state { display: grid; justify-items: start; gap: var(--ui-space-2); }
.payroll-empty-state span { color: var(--muted); }
.payroll-selected-period { display: flex; align-items: center; justify-content: space-between; gap: var(--ui-space-5); margin-bottom: var(--ui-space-5); }
.payroll-selected-period h2 { margin: 0; }
.payroll-generation-form { margin-top: var(--ui-space-4); }
.payroll-line-totals { display: flex; gap: var(--ui-space-3); }
.payroll-line-totals span { display: grid; gap: 2px; min-width: 130px; padding: var(--ui-space-3); border: 1px solid var(--line); border-radius: var(--ui-radius-md); color: var(--muted); }
.payroll-line-totals strong { color: var(--text); font-size: 1.2rem; }
.payroll-lines-panel { margin-top: var(--ui-space-5); }
.payroll-preview-panel { display: grid; gap: var(--ui-space-5); }
.payroll-preview-table tr.is-zero-pay { background: color-mix(in srgb, var(--danger) 9%, transparent); }
.payroll-preview-table tr.is-material-change { background: color-mix(in srgb, var(--amber) 8%, transparent); }
.payroll-preview-table .preview-alert { color: var(--amber); font-weight: 800; }
.payroll-preview-table tr.is-zero-pay .preview-alert { color: var(--danger); }
.payroll-preview-confirm { display: flex; align-items: center; justify-content: space-between; gap: var(--ui-space-4); padding-top: var(--ui-space-4); border-top: 1px solid var(--line); }
.payroll-preview-confirm p { margin: 0; color: var(--muted); }
.payroll-approval-summary { display: grid; gap: var(--ui-space-5); }
.payroll-approval-metrics { margin: 0; }
.payroll-approval-metrics .metric { padding: var(--ui-space-5); }
.payroll-approval-metrics .metric strong { font-size: clamp(1.5rem, 3vw, 2.1rem); }
.payroll-payment-overview { display: grid; gap: var(--ui-space-4); }
.payroll-payment-progress { height: 10px; overflow: hidden; border-radius: 999px; background: color-mix(in srgb, var(--muted) 18%, transparent); }
.payroll-payment-progress span { display: block; height: 100%; border-radius: inherit; background: var(--green); }
.payroll-payment-filters { display: flex; flex-wrap: wrap; gap: var(--ui-space-2); }
.payroll-payment-filters a { display: inline-flex; align-items: center; gap: var(--ui-space-2); padding: 9px 13px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); }
.payroll-payment-filters a.is-active { border-color: var(--blue); background: color-mix(in srgb, var(--blue) 12%, transparent); color: var(--text); }
.payroll-bulk-payment { display: grid; gap: var(--ui-space-4); }
.payroll-bulk-toolbar { display: grid; grid-template-columns: minmax(220px, 1fr) repeat(3, minmax(140px, .55fr)) auto; gap: var(--ui-space-3); align-items: end; }
.status-unpaid { color: var(--danger); background: color-mix(in srgb, var(--danger) 12%, transparent); }
.status-processing { color: var(--amber); background: color-mix(in srgb, var(--amber) 12%, transparent); }
@media (max-width: 1100px) { .payroll-bulk-toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); } .payroll-bulk-toolbar > div { grid-column: 1 / -1; } }
.payroll-lines-panel td small { display: block; color: var(--muted); }
.payroll-inline-action { position: relative; }
.payroll-inline-action summary, .payroll-line-adjust summary { list-style: none; cursor: pointer; }
.payroll-inline-action form { position: absolute; z-index: 5; right: 0; top: calc(100% + 8px); width: min(320px, 80vw); padding: var(--ui-space-4); border: 1px solid var(--line); border-radius: var(--ui-radius-md); background: var(--surface); box-shadow: var(--shadow); }
.payroll-inline-action label, .payroll-line-adjust label { display: grid; gap: 5px; color: var(--muted); }
.payroll-line-adjust form { display: grid; gap: var(--ui-space-3); min-width: 280px; padding: var(--ui-space-3) 0; }
.payroll-audit-list { display: grid; gap: var(--ui-space-3); }
.payroll-audit-list article { display: grid; grid-template-columns: auto 1fr; gap: var(--ui-space-3); padding: var(--ui-space-3); border: 1px solid var(--line); border-radius: var(--ui-radius-md); }
.payroll-audit-list p { margin: 4px 0; }
.payroll-audit-list small { color: var(--muted); }

@media (max-width: 680px) {
  body.ui-feature-page .page-content { padding-inline: var(--ui-space-4); }
  body.ui-feature-page :is(.notification-simple-header, .settings-workspace-header, .permission-page-hero, .schedule-page-head) {
    align-items: stretch;
  }
  .payroll-period-card { grid-template-columns: auto minmax(0, 1fr); }
  .payroll-period-actions { grid-column: 2; justify-content: flex-start; flex-wrap: wrap; }
  .payroll-workspace-tabs { grid-template-columns: 1fr; }
  .payroll-readiness-grid { grid-template-columns: 1fr; }
  .payroll-readiness-card { min-height: 0; }
  .payroll-selected-period { align-items: stretch; flex-direction: column; }
  .payroll-selected-period .ui-button { width: 100%; }
  .payroll-line-totals { width: 100%; }
  .payroll-line-totals span { min-width: 0; flex: 1; }
  .payroll-preview-confirm { align-items: stretch; flex-direction: column; }
  .payroll-preview-confirm button { width: 100%; }
  .payroll-bulk-toolbar { grid-template-columns: 1fr; }
  .payroll-bulk-toolbar > div { grid-column: auto; }
}
.subscription-change-banner {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  margin: 1rem 0;
  padding: 1rem;
  border: 1px solid color-mix(in srgb, #f59e0b 46%, var(--line));
  border-radius: .8rem;
  background: color-mix(in srgb, #f59e0b 13%, var(--surface));
}
.subscription-change-banner > span { font-size: 1.45rem; color: #f59e0b; }
.subscription-change-banner strong { display: block; font-size: 1rem; }
.subscription-change-banner p { margin: .3rem 0 .45rem; color: var(--muted); }
.settings-billing-notice { display: flex; flex-wrap: wrap; gap: .35rem .65rem; align-items: center; border: 1px solid color-mix(in srgb, #f59e0b 42%, var(--line)); }
.settings-billing-notice strong { width: 100%; }
.billing-invoice-workspace {
  display: grid;
  width: 100%;
  gap: 1.25rem;
}

.billing-invoice-hero,
.billing-invoice-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.billing-invoice-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: clamp(1.5rem, 3vw, 2.75rem);
}

.billing-invoice-hero h1 {
  max-width: 100%;
  margin: .65rem 0 1rem;
  overflow-wrap: anywhere;
  font-size: clamp(1.75rem, 3.2vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -.035em;
}

.billing-invoice-hero p:last-child { margin-bottom: 0; color: var(--muted); }
.billing-invoice-hero .hero-actions { flex: 0 0 auto; }

.billing-invoice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.billing-invoice-card {
  padding: clamp(1.35rem, 2.4vw, 2rem);
}

.billing-invoice-card h2 {
  margin: .35rem 0 1rem;
  font-size: clamp(1.45rem, 2vw, 2rem);
}

.billing-invoice-card > p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.55;
}

.billing-invoice-card .metric-row {
  display: grid;
  grid-template-columns: minmax(8rem, .45fr) minmax(0, 1fr);
  gap: 1rem;
  padding: .85rem 0;
  border-top: 1px solid var(--line);
}

.billing-invoice-card .metric-row span { color: var(--muted); }
.billing-invoice-card .metric-row strong { min-width: 0; overflow-wrap: anywhere; }

.billing-invoice-card .code-block {
  max-width: 100%;
  margin: 1rem 0;
  padding: 1rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: .75rem;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.billing-invoice-card form.mt-md { margin-top: 1rem; }

.billing-invoice-snapshot { margin-top: 0; }
.billing-invoice-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.billing-invoice-metrics .metric-card {
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: .75rem;
  background: color-mix(in srgb, var(--surface) 84%, var(--bg));
}

.billing-invoice-metrics .metric-card span,
.billing-invoice-metrics .metric-card strong { display: block; }
.billing-invoice-metrics .metric-card span { margin-bottom: .5rem; color: var(--muted); }
.billing-invoice-metrics .metric-card strong { overflow-wrap: anywhere; font-size: 1.15rem; }

@media (max-width: 860px) {
  .billing-invoice-grid,
  .billing-invoice-metrics { grid-template-columns: 1fr; }
  .billing-invoice-hero { align-items: stretch; flex-direction: column; }
  .billing-invoice-hero .hero-actions { align-self: flex-start; }
}

@media (max-width: 520px) {
  .billing-invoice-workspace { gap: .85rem; }
  .billing-invoice-hero,
  .billing-invoice-card { padding: 1.1rem; border-radius: .8rem; }
  .billing-invoice-card .metric-row { grid-template-columns: 1fr; gap: .25rem; }
}