/* freies Spiel – Gemeinsames Styling */
:root {
  --lila:   #c840ff;
  --gelb:   #ffe600;
  --teal:   #30D5C8;
  --rot:    #ff3366;
  --gruen:  #00e676;
  --dunkel: #0a0a1a;
  --hell:   #f0f0ff;
  --karte:  #12122a;
  --rand:   #3a3a6a;
  --radius: 14px;
  --akzent: var(--lila);
  --akzent-glow: #c840ff30;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background-color: var(--dunkel);
  background-image:
    radial-gradient(circle at 15% 15%, #c840ff22 0%, transparent 50%),
    radial-gradient(circle at 85% 85%, #30D5C822 0%, transparent 50%),
    repeating-linear-gradient(0deg,  transparent, transparent 39px, #ffffff06 39px, #ffffff06 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, #ffffff06 39px, #ffffff06 40px);
  min-height: 100vh;
  font-family: 'Barlow', sans-serif;
  color: var(--hell);
  padding: 2rem 1rem;
}

/* ===== Navigationsleiste ===== */
.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto 2rem;
}

.nav-back {
  color: var(--rand);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.15s;
}
.nav-back:hover { color: var(--akzent); }

/* ===== Seitentitel ===== */
.seiten-titel {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  letter-spacing: 0.15em;
  text-align: center;
  color: var(--akzent);
  text-shadow: 0 0 40px var(--akzent-glow);
  margin-bottom: 0.25rem;
}

.seiten-untertitel {
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--rand);
  margin-bottom: 2.5rem;
}

/* ===== Container ===== */
.container {
  max-width: 900px;
  margin: 0 auto;
}

/* ===== Karte / Panel ===== */
.panel {
  background: var(--karte);
  border: 2px solid var(--rand);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.panel-titel {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  color: var(--akzent);
  margin-bottom: 1.25rem;
}

/* ===== Formular ===== */
.feld-gruppe {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #9090c0;
}

input[type="text"],
input[type="number"] {
  background: #0a0a20;
  border: 1.5px solid var(--rand);
  border-radius: 8px;
  color: var(--hell);
  font-family: 'Barlow', sans-serif;
  font-size: 1rem;
  padding: 0.7rem 1rem;
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
}

input[type="text"]:focus,
input[type="number"]:focus {
  outline: none;
  border-color: var(--akzent);
  box-shadow: 0 0 12px var(--akzent-glow);
}

/* ===== Begriffe-Raster ===== */
.begriffe-raster {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.begriff-eingabe {
  position: relative;
}

.begriff-eingabe input {
  padding-right: 2.5rem;
}

.begriff-loeschen {
  position: absolute;
  right: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--rand);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  padding: 0.2rem;
  transition: color 0.15s;
}

.begriff-loeschen:hover { color: var(--rot); }

.zaehler {
  font-size: 0.8rem;
  color: #9090c0;
  margin-bottom: 0.75rem;
}

.zaehler span {
  color: var(--akzent);
  font-weight: 700;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 8px;
  cursor: pointer;
  font-family: 'Barlow', sans-serif;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s, transform 0.1s;
  border: none;
}

.btn:active { transform: scale(0.97); }

.btn--primaer {
  background: var(--akzent);
  color: var(--dunkel);
  font-size: 1rem;
  padding: 0.8rem 2rem;
  box-shadow: 0 0 20px var(--akzent-glow);
}

.btn--primaer:hover { box-shadow: 0 0 35px var(--akzent-glow); }

.btn--sekundaer {
  background: transparent;
  color: var(--akzent);
  border: 1.5px solid var(--akzent);
  font-size: 0.85rem;
  padding: 0.55rem 1.25rem;
}

.btn--sekundaer:hover {
  background: var(--akzent);
  color: var(--dunkel);
}

.btn--gefahr {
  background: transparent;
  color: var(--rot);
  border: 1.5px solid var(--rot);
  font-size: 0.85rem;
  padding: 0.55rem 1.25rem;
}

/* ===== Meldungen ===== */
.meldung {
  border-radius: 8px;
  padding: 0.9rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.meldung--fehler {
  background: #ff336620;
  border: 1.5px solid var(--rot);
  color: var(--rot);
}

.meldung--erfolg {
  background: #00e67620;
  border: 1.5px solid var(--gruen);
  color: var(--gruen);
}

/* ===== Code-Anzeige ===== */
.code-anzeige {
  text-align: center;
  padding: 2rem;
}

.code-gross {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.5rem, 15vw, 5rem);
  letter-spacing: 0.15em;
  max-width: 100%;
  overflow: hidden;
  color: var(--gelb);
  text-shadow: 0 0 60px #ffe60060;
  line-height: 1;
  animation: puls 2s ease-in-out infinite;
}

@keyframes puls {
  0%, 100% { text-shadow: 0 0 40px #ffe60040; }
  50%       { text-shadow: 0 0 80px #ffe600aa; }
}

.code-hinweis {
  font-size: 0.85rem;
  color: #9090c0;
  margin-top: 0.75rem;
  letter-spacing: 0.1em;
}

/* ===== Bingo-Spielfeld ===== */
.spielfeld-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.spielfeld {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
  width: 100%;
  max-width: 560px;
}

.zelle {
  aspect-ratio: 1;
  background: #0e0e24;
  border: 2px solid var(--rand);
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(0.55rem, 1.8vw, 0.8rem);
  font-weight: 600;
  text-align: center;
  line-height: 1.3;
  padding: 0.4rem;
  transition: background 0.15s, border-color 0.15s, transform 0.1s, box-shadow 0.15s;
  user-select: none;
}

.zelle:hover:not(.zelle--frei) {
  border-color: var(--akzent);
  box-shadow: 0 0 12px var(--akzent-glow);
}

.zelle:active:not(.zelle--frei) { transform: scale(0.94); }

.zelle--markiert {
  background: #c840ff30;
  border-color: var(--akzent);
  color: var(--akzent);
  box-shadow: 0 0 16px var(--akzent-glow);
}

.zelle--frei {
  background: #ffe60015;
  border-color: var(--gelb);
  color: var(--gelb);
  cursor: default;
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(0.9rem, 3vw, 1.3rem);
  letter-spacing: 0.1em;
}

.zelle--bingo {
  background: #00e67625;
  border-color: var(--gruen) !important;
  color: var(--gruen) !important;
  box-shadow: 0 0 20px #00e67640 !important;
  animation: bingo-glow 0.8s ease-in-out infinite alternate;
}

@keyframes bingo-glow {
  from { box-shadow: 0 0 10px #00e67640; }
  to   { box-shadow: 0 0 30px #00e676aa; }
}

/* ===== Bingo-Banner ===== */
.bingo-banner {
  background: linear-gradient(135deg, #00e67620, #c840ff20);
  border: 2px solid var(--gruen);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  text-align: center;
  display: none;
}

.bingo-banner.sichtbar { display: block; }

.bingo-text {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(3rem, 10vw, 5rem);
  letter-spacing: 0.2em;
  color: var(--gruen);
  text-shadow: 0 0 40px #00e67660;
}

/* ===== Code-Eingabe ===== */
.code-form {
  display: flex;
  gap: 0.75rem;
  align-items: flex-end;
}

.code-form input {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  letter-spacing: 0.4em;
  text-align: center;
  max-width: 200px;
}

/* ===== Overlay ===== */
.overlay {
  position: fixed;
  inset: 0;
  background: #000000c0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
  display: none;
}

.overlay.sichtbar { display: flex; }

.overlay-inhalt {
  background: var(--karte);
  border: 2px solid var(--rand);
  border-radius: var(--radius);
  padding: 2.5rem;
  max-width: 480px;
  width: 100%;
  text-align: center;
}

.overlay-inhalt h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  letter-spacing: 0.1em;
  color: var(--akzent);
  margin-bottom: 1rem;
}

/* ===== Ladeindikator ===== */
.lader {
  display: inline-block;
  width: 1.2rem;
  height: 1.2rem;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: drehen 0.6s linear infinite;
}

@keyframes drehen { to { transform: rotate(360deg); } }

/* ===== Spielinfo-Leiste ===== */
.spiel-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.spiel-info-titel {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  color: var(--akzent);
}

.spiel-code-badge {
  background: #ffe60015;
  border: 1.5px solid var(--gelb);
  border-radius: 8px;
  padding: 0.35rem 0.85rem;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  color: var(--gelb);
}

/* ===== Footer ===== */
.footer {
  text-align: center;
  font-size: 0.75rem;
  color: #3a3a6a;
  letter-spacing: 0.1em;
  margin-top: 3rem;
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
  .begriffe-raster { grid-template-columns: 1fr 1fr; }
  .code-form { flex-direction: column; align-items: stretch; }
  .code-form input { max-width: 100%; }
}