/* Past events use the existing site's colours, type and spacing. */
.past-events { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 21rem), 1fr)); gap: var(--gap); }
.past-event { display: flex; flex-direction: column; align-items: flex-start; padding: clamp(1.5rem, 3vw, 2.5rem); max-width: 39rem; border: 1px solid var(--line); border-top: 3px solid var(--accent); background: var(--paper-2); color: var(--text); text-decoration: none; transition: border-color .2s, background .2s; }
.past-event:hover { border-color: var(--accent); background: var(--paper); }
.past-event:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
.past-event__date { font-size: var(--f-small); color: var(--text-dim); }
.past-event__title { margin: 1rem 0 .75rem; font-size: clamp(1.4rem, 3vw, 2rem); line-height: 1.25; overflow-wrap: anywhere; }
.past-event__summary { margin: 0 0 1.75rem; color: var(--text-dim); }
.past-event__action { margin-top: auto; color: var(--accent); font-weight: 600; }
.archive-banner { padding: 1.25rem 0; background: var(--ink); color: var(--text-invert); }
.archive-banner .shell { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: .75rem 2rem; }
.archive-banner p { margin: 0; }
.archive-banner .archive-home { color: var(--text-invert); text-decoration: none; white-space: normal; text-align: center; max-width: 100%; }
.archive-banner--bottom { padding: 2rem 0; border-top: 1px solid var(--line-dark); }
.archive-banner--bottom .shell { justify-content: center; }
.archive-banner a:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }
form > fieldset:disabled { margin: 0; padding: 0; border: 0; min-width: 0; }