/* components.css — reusable UI pieces. BEM naming: .block__element--modifier */

@layer components {

  /* ---------- Navigation ---------- */
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    color: var(--color-primary);
    font-weight: 600;
  }

  .nav-toggle__bars {
    width: 1.25rem;
    height: 2px;
    background: currentColor;
    position: relative;
    display: block;
  }

  .nav-toggle__bars::before,
  .nav-toggle__bars::after {
    content: "";
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: currentColor;
  }

  .nav-toggle__bars::before { top: -6px; }
  .nav-toggle__bars::after { top: 6px; }

  .site-nav {
    /* Mobile: dropdown panel below the header bar */
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    display: none;
  }

  .site-nav[data-open="true"] {
    display: block;
  }

  .site-nav__list {
    list-style: none;
    margin: 0;
    padding: var(--space-2) var(--gutter);
  }

  .site-nav__list li + li {
    margin: 0;
  }

  .site-nav__link {
    display: block;
    padding: var(--space-3) var(--space-2);
    white-space: nowrap;
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-sm);
  }

  .site-nav__link:hover {
    background: var(--color-bg-alt);
    color: var(--color-primary);
  }

  .site-nav__link[aria-current="page"] {
    color: var(--color-accent);
    box-shadow: inset 3px 0 0 var(--color-accent);
  }

  .site-nav__link--cta {
    color: #fff;
    background: var(--color-accent);
  }

  .site-nav__link--cta:hover {
    background: var(--color-accent-dark);
    color: #fff;
  }

  /* CTA as the current page: keep white text (accent text would vanish on the accent background) */
  .site-nav__link--cta[aria-current="page"] {
    color: #fff;
    background: var(--color-accent-dark);
    box-shadow: none;
  }

  @media (min-width: 64em) {
    .nav-toggle {
      display: none;
    }

    .site-nav {
      position: static;
      display: block;
      border: 0;
      box-shadow: none;
      background: transparent;
    }

    .site-nav__list {
      display: flex;
      gap: var(--space-1);
      padding: 0;
      align-items: center;
    }

    .site-nav__link {
      padding: var(--space-2) var(--space-3);
    }

    .site-nav__link[aria-current="page"] {
      box-shadow: inset 0 -3px 0 var(--color-accent);
    }

    .site-nav__link--cta {
      margin-left: var(--space-2);
    }
  }

  /* ---------- Buttons ---------- */
  .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.7em 1.4em;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius);
    background: var(--color-primary);
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition);
  }

  .button:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #fff;
  }

  .button--accent {
    background: var(--color-accent);
    border-color: var(--color-accent);
  }

  .button--accent:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
  }

  .button--outline {
    background: transparent;
    color: var(--color-primary);
  }

  .button--outline:hover {
    background: var(--color-primary);
    color: #fff;
  }

  .button[disabled],
  .button[aria-busy="true"] {
    opacity: 0.6;
    cursor: wait;
  }

  /* ---------- Cards ---------- */
  .card {
    display: flex;
    flex-direction: column;
    padding: var(--space-5);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
  }

  .card--highlight {
    border-color: var(--color-accent);
    box-shadow: var(--shadow);
  }

  .card--link {
    color: inherit;
    text-decoration: none;
    transition: transform var(--transition), box-shadow var(--transition);
  }

  .card--link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    color: inherit;
  }

  /* Outline button on dark backgrounds */
  .button--light {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.6);
    color: #fff;
  }

  .button--light:hover {
    background: #fff;
    border-color: #fff;
    color: var(--color-primary);
  }

  .card__meta {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
  }

  .card__title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
  }

  .card__title a {
    color: inherit;
    text-decoration: none;
  }

  .card__title a:hover {
    color: var(--color-accent);
    text-decoration: underline;
  }

  .card__body {
    flex: 1;
  }

  .card__body :last-child {
    margin-bottom: 0;
  }

  .card__footer {
    margin-top: var(--space-4);
  }

  /* ---------- Timeline (home page) ----------
     A vertical line on the left, a dot per event, a clickable card beside it.
     Status colours come from tokens.css: open (green), upcoming (teal), past (red). */
  .timeline {
    list-style: none;
    margin: 0;
    padding: 0;
    position: relative;
    --tl-gutter: 2.25rem;            /* space reserved for the line and dots */
  }

  .timeline::before {
    content: "";
    position: absolute;
    top: 0.5rem;
    bottom: 0.5rem;
    left: calc(var(--tl-gutter) / 2 - 1px);
    width: 2px;
    background: var(--color-border);
  }

  .timeline__year {
    position: relative;
    margin: 0;
    padding-left: var(--tl-gutter);
    padding-bottom: var(--space-5);
  }

  .timeline__year + .timeline__year {
    margin-top: 0;
  }

  .timeline__label {
    position: relative;
    display: inline-block;
    margin-bottom: var(--space-4);
    padding: 0.2em 0.8em;
    border-radius: 999px;
    background: var(--color-primary);
    color: #fff;
    font-size: var(--text-sm);
    font-weight: 700;
    letter-spacing: 0.06em;
  }

  /* Year pill sits on the line */
  .timeline__label::before {
    content: "";
    position: absolute;
    left: calc(-1 * var(--tl-gutter) / 2 - 0.45rem);
    top: 50%;
    width: 0.9rem;
    height: 0.9rem;
    transform: translateY(-50%);
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-bg);
  }

  .timeline__items {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--space-3);
  }

  .timeline__items li + li {
    margin: 0;
  }

  .event {
    --event-color: var(--color-text-muted);
    --event-bg: var(--color-bg-alt);
    position: relative;
    display: block;
    padding: var(--space-4) var(--space-5);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--event-color);
    border-radius: var(--radius-lg);
    background: var(--color-bg);
    color: var(--color-text);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
  }

  /* Dot on the line, coloured by status */
  .event::before {
    content: "";
    position: absolute;
    left: calc(-1 * var(--tl-gutter) / 2 - 0.35rem - 4px);
    top: 1.35rem;
    width: 0.7rem;
    height: 0.7rem;
    border-radius: 50%;
    background: var(--event-color);
    box-shadow: 0 0 0 4px var(--color-bg);
  }

  .event:hover,
  .event:focus-visible {
    transform: translateY(-2px) scale(1.012);
    box-shadow: var(--shadow);
    color: var(--color-text);
  }

  .event--open     { --event-color: var(--status-open);     --event-bg: var(--status-open-bg); }
  .event--upcoming { --event-color: var(--status-upcoming); --event-bg: var(--status-upcoming-bg); }
  .event--past     { --event-color: var(--status-past);     --event-bg: var(--status-past-bg); }

  .event__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2) var(--space-3);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
  }

  .event__badge {
    padding: 0.15em 0.7em;
    border-radius: 999px;
    background: var(--event-bg);
    color: var(--event-color);
    font-weight: 600;
  }

  .event__title {
    margin-bottom: var(--space-1);
    font-size: var(--text-lg);
  }

  .event__summary {
    margin: 0;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
  }

  .event__more {
    display: inline-block;
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent);
  }

  @media (min-width: 48em) {
    .timeline { --tl-gutter: 3rem; }
  }

  /* ---------- Fee / info tiles ---------- */
  .tile {
    padding: var(--space-5);
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-accent);
  }

  .tile__amount {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--space-2);
  }

  .tile__label {
    font-weight: 600;
    margin-bottom: var(--space-2);
  }

  /* ---------- Person (board member) ---------- */
  .person {
    padding: var(--space-5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
  }

  .person__photo {
    width: var(--avatar-size);
    height: var(--avatar-size);
    margin-bottom: var(--space-4);
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 0 0 4px var(--color-bg-alt);
  }

  .person__role {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--space-1);
  }

  .person__name {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
  }

  /* ---------- Definition list (key facts) ---------- */
  .facts {
    display: grid;
    gap: var(--space-2) var(--space-4);
    margin: 0;
  }

  @media (min-width: 40em) {
    .facts {
      grid-template-columns: max-content 1fr;
    }
  }

  .facts dt {
    font-weight: 600;
    color: var(--color-primary);
  }

  .facts dd {
    margin: 0;
  }

  /* ---------- Collapsible section ---------- */
  .disclosure {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: var(--space-3);
  }

  .disclosure summary {
    padding: var(--space-3) var(--space-4);
    cursor: pointer;
    font-weight: 600;
    color: var(--color-primary);
  }

  .disclosure[open] summary {
    border-bottom: 1px solid var(--color-border);
  }

  .disclosure__body {
    padding: var(--space-4);
  }

  /* ---------- Notice / alert ---------- */
  .notice {
    padding: var(--space-4);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    background: var(--color-bg-alt);
  }

  .notice--success {
    background: var(--color-success-bg);
    border-color: var(--color-success);
    color: var(--color-success);
  }

  .notice--error {
    background: var(--color-error-bg);
    border-color: var(--color-error);
    color: var(--color-error);
  }

  .notice :last-child {
    margin-bottom: 0;
  }

  /* ---------- Forms ---------- */
  .form {
    display: grid;
    gap: var(--space-5);
  }

  .form fieldset {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5) var(--space-5);
    margin: 0;
    min-width: 0;
  }

  .form legend {
    padding: 0 var(--space-2);
    font-weight: 700;
    color: var(--color-primary);
  }

  /* A fieldset used as a plain field (radio group) loses the box styling */
  .form fieldset.field {
    border: 0;
    padding: 0;
  }

  .form fieldset.field legend {
    padding: 0;
    margin-bottom: var(--space-1);
  }

  .form__grid {
    display: grid;
    gap: var(--space-4);
  }

  @media (min-width: 40em) {
    .form__grid {
      grid-template-columns: 1fr 1fr;
    }

    .form__grid .field--full {
      grid-column: 1 / -1;
    }
  }

  .field {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
  }

  .field__label {
    font-weight: 600;
  }

  .field__hint {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
  }

  .field__error {
    font-size: var(--text-sm);
    color: var(--color-error);
    min-height: 1.2em;
  }

  .field input:not([type="checkbox"]):not([type="radio"]),
  .field select,
  .field textarea {
    width: 100%;
    padding: 0.6em 0.75em;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg);
  }

  .field textarea {
    min-height: 5.5em;
    resize: vertical;
  }

  .field input[aria-invalid="true"],
  .field select[aria-invalid="true"],
  .field textarea[aria-invalid="true"] {
    border-color: var(--color-error);
  }

  .choice-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
  }

  .choice {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .choice input {
    width: 1.1rem;
    height: 1.1rem;
    margin-top: 0.25em;
    flex-shrink: 0;
    accent-color: var(--color-accent);
  }

  .choice--block {
    padding: var(--space-3);
    background: var(--color-bg-alt);
    border-radius: var(--radius);
  }

  .form__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: center;
  }

  /* Honeypot: removed from view and tab order, but NOT display:none,
     because some bots skip fields that are display:none. */
  .form__hp {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
  }

  /* ---------- Bank details box ---------- */
  .bank {
    font-family: var(--font-mono);
    font-size: var(--text-base);
    padding: var(--space-4);
    background: var(--color-bg);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius);
    overflow-wrap: anywhere;
  }

  /* ---------- Programme schedule ---------- */
  .schedule {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-5);
  }

  .schedule > li {
    display: grid;
    gap: var(--space-1) var(--space-4);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border);
  }

  @media (min-width: 40em) {
    .schedule > li {
      grid-template-columns: 8rem 1fr;
    }
  }

  .schedule time {
    font-weight: 600;
    color: var(--color-accent);
    white-space: nowrap;
  }

  .schedule ul {
    margin: var(--space-2) 0 0;
    padding-left: var(--space-4);
    font-size: var(--text-sm);
  }

  /* ---------- Logo strip (sponsors / patrons) ---------- */
  .logo-strip {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-5);
    align-items: center;
  }

  .logo-strip img {
    max-height: var(--logo-height);
    width: auto;
  }

  .logo-strip--center {
    justify-content: center;
  }

  .logo-strip--large img {
    max-height: var(--logo-height-lg);
  }

  /* ---------- Images ---------- */
  /* Event banner (top of an event page) and photos inside page text.
     Images never grow past their real size; narrow ones sit centred. */
  .banner,
  .photo {
    margin-inline: 0;
  }

  .banner img,
  .photo img {
    margin-inline: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
  }

  .banner {
    margin-bottom: var(--space-6);
  }

  .photo figcaption {
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-align: center;
  }

  /* Small image at the top of a card (e.g. the venue) */
  .card__image {
    margin: calc(-1 * var(--space-5)) calc(-1 * var(--space-5)) var(--space-4);
    width: calc(100% + 2 * var(--space-5));
    max-width: none;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }
}