/* Fahrplan components — only what the shell and current pages need;
   grow this file with the components, never ahead of them. */

/* Skip link: first focusable element, visible only on focus. */
.skip-link {
  position: absolute;
  left: var(--space-2);
  top: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-edge);
  border-radius: var(--radius-control);
  padding: var(--space-2) var(--space-3);
  transform: translateY(-200%);
}

.skip-link:focus-visible {
  transform: none;
  z-index: 10;
}

/* Compact product header. */
.shell-header {
  background: var(--color-surface-sunken);
  border-bottom: 1px solid var(--color-line);
}

.shell-header .content {
  display: flex;
  align-items: baseline;
  gap: var(--space-5);
  padding-block: var(--space-3);
  flex-wrap: wrap;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.brand:hover {
  background: none;
}

/* Primary navigation with a strong current marker. */
.shell-nav {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.shell-nav a {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: var(--space-1) 0;
  border-bottom: 3px solid transparent;
}

.shell-nav a[aria-current="page"] {
  border-bottom-color: var(--color-accent);
}

main {
  padding-block: var(--space-5) var(--space-7);
}

/* Restrained footer. */
.shell-footer {
  border-top: 1px solid var(--color-line);
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.shell-footer .content {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding-block: var(--space-4);
}

/* Buttons: one signal-yellow primary per region; yellow always carries ink
   text and an ink border (yellow alone lacks contrast). */
.button {
  font: inherit;
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-edge);
  border-radius: var(--radius-control);
  padding: var(--space-2) var(--space-4);
  cursor: pointer;
}

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

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

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

/* Inputs: persistent labels, edge-color border, inline description/error. */
.field {
  display: grid;
  gap: var(--space-1);
  margin-block-end: var(--space-4);
  max-width: 28rem;
}

.field label {
  font-weight: 600;
}

.field input {
  font: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-edge);
  border-radius: var(--radius-control);
  padding: var(--space-2) var(--space-3);
}

.field .field-description {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.field .field-error {
  color: var(--color-danger);
  font-size: 0.85rem;
}

/* Notices: icon/label plus semantic tone; tone never encoded by color alone. */
.notice {
  display: flex;
  gap: var(--space-2);
  align-items: baseline;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
  padding: var(--space-3) var(--space-4);
  margin-block: var(--space-3);
}

.notice .notice-label {
  font-weight: 700;
}

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

.notice-success .notice-label {
  color: var(--color-success);
}

.notice-danger {
  background: var(--color-danger-wash);
  border-color: var(--color-danger);
}

.notice-danger .notice-label {
  color: var(--color-danger);
}

.notice-warning {
  background: var(--color-warning-wash);
  border-color: var(--color-warning);
}

.notice-warning .notice-label {
  color: var(--color-warning);
}

/* Panels: ordinary surfaces separated by rules, not shadows. */
.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  padding: var(--space-5);
}

/* Theme selection form (footer): compact segmented control. */
.theme-form {
  display: flex;
  gap: var(--space-1);
  align-items: center;
  margin-inline-start: auto;
}

.theme-form .button {
  font-size: 0.8rem;
  padding: var(--space-1) var(--space-2);
}

.theme-form .button[aria-pressed="true"] {
  background: var(--color-accent);
  border-color: var(--color-text);
}

/* Date stamp: weekday above day/month, the listing's lead landmark. */
.date-stamp {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.2;
  min-width: 3.5rem;
}

.date-stamp-weekday {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.date-stamp-day {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
}

.date-stamp-time {
  font-size: 0.8rem;
}

/* State stamps: compact text labels; tone augments, text carries. */
.stamp {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-stamp);
  padding: 0 var(--space-2);
  background: var(--color-surface-sunken);
}

.stamp-danger {
  color: var(--color-danger);
  background: var(--color-danger-wash);
  border-color: var(--color-danger);
}

.stamp-warning {
  color: var(--color-warning);
  background: var(--color-warning-wash);
  border-color: var(--color-warning);
}

/* Event listing: a real semantic table, dense and date-led. */
.listing-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
}

.listing-table th {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.8rem;
  text-align: left;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-sunken);
  border-bottom: 1px solid var(--color-line);
}

.listing-table td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-line);
  vertical-align: top;
}

.listing-table tbody tr:hover {
  background: var(--color-accent-wash);
}

.listing-title-link {
  font-weight: 600;
}

/* Narrow widths: each Event collapses to a compact bordered record. */
@media (max-width: 767px) {
  .listing-table,
  .listing-table tbody,
  .listing-table tr,
  .listing-table td {
    display: block;
  }

  .listing-table thead {
    display: none;
  }

  .listing-table tr {
    border-bottom: 1px solid var(--color-line);
    padding: var(--space-3);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-1) var(--space-3);
  }

  .listing-table td {
    border: none;
    padding: 0;
  }

  .listing-table td:first-child {
    grid-row: 1 / span 3;
  }
}

/* Pagination: stable cursor controls. */
.pagination {
  display: flex;
  justify-content: space-between;
  padding-block: var(--space-4);
}

/* Event detail header block. */
.event-header {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  flex-wrap: wrap;
  margin-block-end: var(--space-4);
}

.event-meta {
  display: grid;
  gap: var(--space-2);
  margin-block: var(--space-4);
}

.event-meta dt {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.event-meta dd {
  margin: 0 0 var(--space-2);
}