/* Vokabular — Register im Buchregister-Stil mit Modal-Overlay */

.vokabular-main {
  flex: 1;
  max-width: 60rem;
  width: 100%;
  margin: 0 auto;
  padding: 8rem clamp(2rem, 6vw, 5rem) 4rem;
}

/* Register: dichte Spalten mit allen Begriffen */
.vokabular-register {
  list-style: none;
  margin: 0;
  padding: 0;
  columns: 4;
  column-gap: 2.25rem;
  column-rule: 1px solid var(--ink);
}
@media (max-width: 900px) {
  .vokabular-register { columns: 3; column-gap: 1.5rem; }
}
@media (max-width: 600px) {
  .vokabular-register { columns: 2; column-gap: 1.25rem; }
}

.vokabular-register li {
  break-inside: avoid;
  margin: 0 0 0.5rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 600ms cubic-bezier(.2, .8, .2, 1),
              transform 600ms cubic-bezier(.2, .8, .2, 1);
}
.vokabular-register li.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.vokabular-register a {
  display: inline-block;
  padding: 0.15rem 0;
  font-family: 'Printvetica', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms ease,
              border-color 300ms cubic-bezier(.2, .8, .2, 1),
              transform 200ms cubic-bezier(.2, .8, .2, 1);
}
.vokabular-register a:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
  transform: translateY(-1px);
}

@media (prefers-reduced-motion: reduce) {
  .vokabular-register li {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .vokabular-register a {
    transition: none;
  }
  .vokabular-register a:hover {
    transform: none;
  }
}

/* Modal — schwebt vor dem Register, geschlossen hidden */
.entry-modal {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.88);
  z-index: 100;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: clamp(2rem, 8vh, 6rem) 1rem;
  overflow-y: auto;
  animation: modal-in 280ms cubic-bezier(.2, .8, .2, 1) both;
}
.entry-modal[hidden] {
  display: none;
}
@keyframes modal-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.entry-modal-frame {
  background: var(--paper);
  border: 1px solid var(--ink);
  max-width: 38rem;
  width: 100%;
  padding: 2.5rem clamp(1.5rem, 4vw, 2.5rem);
  position: relative;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  animation: frame-in 380ms cubic-bezier(.2, .8, .2, 1) both;
}
@keyframes frame-in {
  from { opacity: 0; transform: translateY(12px) scale(0.985); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .entry-modal,
  .entry-modal-frame {
    animation: none;
  }
}

.entry-close {
  position: absolute;
  top: 0.4rem;
  right: 0.7rem;
  background: none;
  border: none;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  color: var(--ink);
  width: 2rem;
  height: 2rem;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .15s ease;
}
.entry-close:hover {
  opacity: 0.6;
}

body.modal-open {
  overflow: hidden;
}

/* Entry layout (used inside modal) */
.vokabular-entry {
  margin: 0;
}

.vokabular-term {
  font-family: 'Printvetica', sans-serif;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin: 0 0 1.25rem;
}

.vokabular-line {
  font-family: 'Fournier Pro', serif;
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.55;
  margin: 0 0 0.75rem;
}
.vokabular-line em {
  font-style: italic;
  color: var(--muted);
  margin-right: 0.35em;
}

.vokabular-ref {
  font-family: 'Fournier Pro', serif;
  font-style: italic;
  font-size: 0.95rem;
  color: var(--muted);
  margin: 1rem 0 1rem;
}

.vokabular-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 0.75rem;
  margin-top: 1.5rem;
}

.btn-cta,
.btn-cta-alt {
  display: inline-block;
  padding: 0.7rem 1.2rem;
  font-family: 'Printvetica', sans-serif;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.78rem;
  text-decoration: none;
  transition: background .15s ease, color .15s ease;
  border: 1px solid var(--ink);
}
.btn-cta {
  background: var(--ink);
  color: var(--paper);
}
.btn-cta:hover {
  background: var(--paper);
  color: var(--ink);
}
.btn-cta-alt {
  background: var(--paper);
  color: var(--ink);
}
.btn-cta-alt:hover {
  background: var(--ink);
  color: var(--paper);
}

/* Querverlinkungen im Fließtext */
.vokabular-xref {
  font-family: 'Printvetica', sans-serif;
  letter-spacing: 0.05em;
  font-size: 0.95em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px dotted var(--muted);
  cursor: pointer;
  padding: 0 1px;
  transition: border-color 220ms cubic-bezier(.2, .8, .2, 1),
              color 220ms ease;
}
.vokabular-xref:hover,
.vokabular-xref:focus-visible {
  border-bottom-color: var(--ink);
  border-bottom-style: solid;
}

/* Hover-Vorschau */
.vokabular-xref-tooltip {
  position: fixed;
  z-index: 200;
  max-width: 22rem;
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 0.7rem 0.9rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 220ms cubic-bezier(.2, .8, .2, 1),
              transform 220ms cubic-bezier(.2, .8, .2, 1);
}
.vokabular-xref-tooltip[hidden] { display: none; }
.vokabular-xref-tooltip.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.vokabular-xref-tooltip-term {
  display: block;
  font-family: 'Printvetica', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}
.vokabular-xref-tooltip-line {
  display: block;
  font-family: 'Fournier Pro', serif;
  font-style: italic;
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
  .vokabular-xref { transition: none; }
  .vokabular-xref-tooltip { transition: none; transform: none; }
}

@media (max-width: 520px) {
  .vokabular-main { padding-top: 7rem; }
  .vokabular-actions { flex-direction: column; }
  .btn-cta, .btn-cta-alt { width: 100%; text-align: center; }
  .vokabular-xref-tooltip { max-width: calc(100vw - 2rem); }
}