/* Stile, die NUR für diese Button-Komponente gelten */
:host {
  display: inline-block;
  position: relative;
}

/* Basis-Stil für alle Buttons */
.btn {
  position: relative; /* Wichtig für den Ripple-Effekt */
  overflow: hidden; /* Verhindert, dass der Ripple über den Button hinausgeht */

  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  transition: all 0.2s ease-out;

  /* Stellt sicher, dass der Inhalt (Text/Icon) zentriert ist */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--box-shadow-md);
}

.btn:active:not(:disabled) {
  /* Kleiner "Drück"-Effekt beim aktiven Klick */
  transform: translateY(0);
  box-shadow: var(--box-shadow-sm);
}

/* Farbvarianten */
.btn-primary {
  background: var(--color-primary-gradient);
  color: #fff;
}
.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-stroked {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.btn-flat {
  background-color: transparent;
  color: var(--color-primary);
  box-shadow: none; /* Flat-Buttons haben keinen Schatten */
}
.btn-icon {
  background-color: transparent;
  color: var(--color-text-light);
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
  box-shadow: none;
}
.btn-icon:hover:not(:disabled) {
  background-color: var(--color-border);
  transform: none; /* Kein Hover-Effekt für Icon-Buttons */
  box-shadow: none;
}
.btn-icon-danger:hover:not(:disabled) {
  background-color: #fee2e2;
  color: var(--color-danger);
}
:host-context(body.dark-theme) .btn-icon-danger:hover:not(:disabled) {
  background-color: #991b1b;
}

/* Deaktivierter Zustand */
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

/* Modifikatoren */
.btn-full-width {
  width: 100%;
}

/* Klick-Effekt (Ripple) */
.ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: ripple-effect 0.6s linear;
  background-color: rgba(255, 255, 255, 0.7);
}
.btn-secondary .ripple,
.btn-stroked .ripple,
.btn-flat .ripple,
.btn-icon .ripple {
  background-color: rgba(0, 0, 0, 0.1);
}

@keyframes ripple-effect {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

[data-tooltip] {
  position: relative;
}
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background-color: #2c3e50;
  color: #fff;
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-speed), transform var(--transition-speed);
}
[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-12px);
}

.btn.is-loading {
  cursor: wait;
}

.btn-content {
  display: flex;
}
.btn-content span {
  display: flex;
  height: auto;
  align-content: center;
  flex-wrap: wrap-reverse;
}

.btn-content.is-hidden {
  visibility: hidden;
  opacity: 0;
}

/* Der Lade-Spinner */
.spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1.2rem;
  height: 1.2rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff; /* Farbe des sich drehenden Teils */
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Spinner-Farbe für nicht-primäre Buttons anpassen */
.btn-secondary .spinner,
.btn-stroked .spinner,
.btn-flat .spinner,
.btn-icon .spinner {
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-top-color: var(--color-primary);
}

@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}