/* Certification register — a quiet operational ledger with visible document health. */
.cert-head { margin-bottom: var(--space-5); }
.cert-overview { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-3); margin-bottom: var(--space-5); }
.cert-overview > div { min-width: 0; min-height: 88px; display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; align-items: center; column-gap: var(--space-3); padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-xl); background: var(--color-surface); box-shadow: var(--shadow-xs); }
.cert-overview > div > span { grid-row: 1 / 3; display: grid; place-items: center; width: 42px; height: 42px; border-radius: var(--radius-md); background: var(--color-primary-soft); color: var(--color-primary); }
.cert-overview .is-warning > span { background: var(--color-warning-soft); color: var(--color-warning); }
.cert-overview .is-danger > span { background: var(--color-danger-soft); color: var(--color-danger); }
.cert-overview .is-success > span { background: var(--color-success-soft); color: var(--color-success); }
.cert-overview .icon { width: 19px; height: 19px; }
.cert-overview b { font-size: var(--text-xl); line-height: 1; font-variant-numeric: tabular-nums; }
.cert-overview small { color: var(--color-fg-muted); font-size: var(--text-xs); line-height: 1.3; }
.cert-toolbar-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: start; gap: var(--space-3); }
.cert-toolbar { display: grid; grid-template-columns: minmax(240px, 1fr) 190px auto; gap: var(--space-3); align-items: center; margin-bottom: var(--space-6); padding: var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface-2); }
.cert-toolbar .people-search, .cert-toolbar .people-filter { width: 100%; margin: 0; }
.cert-toolbar-row > .btn { min-height: 70px; padding-inline: var(--space-5); }
.cert-list-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-4); }
.cert-list-head h2 { margin: 0; font-size: var(--text-lg); }
.cert-list-head p { margin: 4px 0 0; color: var(--color-fg-muted); font-size: var(--text-xs); }
.cert-list-head > span { display: grid; place-items: center; min-width: 34px; height: 30px; padding-inline: 10px; border-radius: var(--radius-full); background: var(--color-surface-2); color: var(--color-fg-muted); font-size: var(--text-xs); font-weight: var(--font-bold); }
.cert-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); }
.cert-card { position: relative; min-width: 0; min-height: 252px; padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-3); overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-xl); background: var(--color-surface); box-shadow: var(--shadow-xs); transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast), border-color var(--dur-fast); }
.cert-card::before { content: ''; position: absolute; inset: 0 0 auto; height: 3px; background: var(--color-success); }
.cert-card--expiring::before { background: var(--color-warning); }
.cert-card--expired::before { background: var(--color-danger); }
.cert-card--permanent::before { background: var(--color-primary); }
.cert-card:hover { transform: translateY(-1px); border-color: var(--color-border-strong); box-shadow: var(--shadow-sm); }
.cert-card__head { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: start; gap: var(--space-3); }
.cert-card__icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: var(--radius-lg); background: var(--color-primary-soft); color: var(--color-primary); }
.cert-card--expired .cert-card__icon { background: var(--color-danger-soft); color: var(--color-danger); }
.cert-card--expiring .cert-card__icon { background: var(--color-warning-soft); color: var(--color-warning); }
.cert-card__icon .icon { width: 19px; height: 19px; }
.cert-card__head h3 { margin: 2px 0 0; font-size: var(--text-base); font-weight: var(--font-bold); line-height: 1.35; overflow-wrap: anywhere; }
.cert-card__owner { margin: 0; color: var(--color-primary); font-size: 9px; font-weight: var(--font-bold); letter-spacing: .06em; text-transform: uppercase; }
.cert-card__meta { margin: 0; color: var(--color-fg-muted); font-size: var(--text-sm); line-height: 1.5; }
.cert-card__dates { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: 0; overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-border); }
.cert-card__dates > div { min-width: 0; padding: var(--space-3); background: var(--color-surface-2); }
.cert-card__dates dt { color: var(--color-fg-muted); font-size: 9px; font-weight: var(--font-semibold); letter-spacing: .04em; text-transform: uppercase; }
.cert-card__dates dd { margin: 4px 0 0; overflow: hidden; font-size: var(--text-xs); font-weight: var(--font-semibold); text-overflow: ellipsis; white-space: nowrap; }
.cert-card__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: auto; padding-top: var(--space-3); border-top: 1px solid var(--color-border); }
.cert-card__actions .btn { min-height: 38px; }
.status-badge.cert-ok { background: var(--color-success-soft); color: var(--color-success); }
.status-badge.cert-warn { background: var(--color-warning-soft); color: var(--color-warning); }
.status-badge.cert-expired { background: var(--color-danger-soft); color: var(--color-danger); }
.cert-empty { display: grid; place-items: center; min-height: 280px; padding: var(--space-8); border: 1px dashed var(--color-border-strong); border-radius: var(--radius-xl); text-align: center; }
.cert-empty > span { display: grid; place-items: center; width: 58px; height: 58px; border-radius: var(--radius-full); background: var(--color-primary-soft); color: var(--color-primary); }
.cert-empty .icon { width: 25px; height: 25px; }
.cert-empty h3 { margin: var(--space-4) 0 0; }
.cert-empty p { max-width: 48ch; margin: var(--space-2) 0 0; color: var(--color-fg-muted); font-size: var(--text-sm); }
.cert-file-hint { display: block; margin-top: 5px; color: var(--color-fg-muted); font-size: var(--text-xs); font-weight: var(--font-normal); }
@media (max-width: 1080px) { .cert-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 820px) {
  .cert-overview { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cert-toolbar-row { grid-template-columns: 1fr; }
  .cert-toolbar-row > .btn { min-height: 44px; justify-self: start; margin-top: calc(var(--space-4) * -1); margin-bottom: var(--space-6); }
}
@media (max-width: 720px) {
  .cert-grid { grid-template-columns: 1fr; }
  .cert-toolbar { grid-template-columns: 1fr 1fr; }
  .cert-toolbar .people-search { grid-column: 1 / -1; }
  .cert-toolbar #cert-reset { grid-column: 1 / -1; }
  .cert-card { min-height: 0; padding: var(--space-4); }
  .cert-card__actions .btn { flex: 1; }
}
@media (max-width: 520px) {
  .cert-overview { gap: var(--space-2); }
  .cert-overview > div { min-height: 98px; align-items: start; grid-template-columns: 1fr; grid-template-rows: auto auto auto; row-gap: 5px; padding: var(--space-3); }
  .cert-overview > div > span { grid-row: auto; width: 34px; height: 34px; border-radius: 10px; }
  .cert-overview .icon { width: 16px; height: 16px; }
  .cert-overview b { font-size: var(--text-lg); }
  .cert-toolbar { grid-template-columns: 1fr; }
  .cert-toolbar .people-search, .cert-toolbar #cert-reset { grid-column: auto; }
  .cert-card__head { grid-template-columns: auto minmax(0, 1fr); }
  .cert-card__head .status-badge { grid-column: 2; justify-self: start; }
  .cert-card__dates { grid-template-columns: 1fr; }
}