/* 
 * Buttons CSS für wissen4vertrieb.de
 * Definiert alle Button-Stile und interaktive Elemente
 */

/* Basis-Button */
.btn {
  display: inline-block;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
  font-size: var(--text-base);
  line-height: 1.5;
  border-radius: var(--border-radius-sm);
  transition: color var(--transition-fast) ease-in-out, 
              background-color var(--transition-fast) ease-in-out, 
              border-color var(--transition-fast) ease-in-out, 
              box-shadow var(--transition-fast) ease-in-out;
  cursor: pointer;
}

.btn:focus, .btn:hover {
  text-decoration: none;
  outline: 0;
}

/* Button-Varianten */
.btn-primary {
  color: #fff;
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-primary:hover, .btn-primary:focus {
  background-color: #0aa8c4; /* Dunklere Variante von --primary-color */
  border-color: #0aa8c4;
}

.btn-secondary {
  color: #fff;
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
}

.btn-secondary:hover, .btn-secondary:focus {
  background-color: #00105a; /* Dunklere Variante von --secondary-color */
  border-color: #00105a;
}

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

.btn-outline-primary:hover, .btn-outline-primary:focus {
  color: #fff;
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-outline-secondary {
  color: var(--secondary-color);
  background-color: transparent;
  border-color: var(--secondary-color);
}

.btn-outline-secondary:hover, .btn-outline-secondary:focus {
  color: #fff;
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
}

/* Button-Größen */
.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: var(--text-sm);
  border-radius: calc(var(--border-radius-sm) * 0.8);
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: var(--text-lg);
  border-radius: calc(var(--border-radius-sm) * 1.2);
}

/* Button mit Icon */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-icon i, .btn-icon svg {
  margin-right: 0.5rem;
}

.btn-icon-right i, .btn-icon-right svg {
  margin-right: 0;
  margin-left: 0.5rem;
}

/* Button-Gruppen */
.btn-group {
  display: inline-flex;
  position: relative;
}

.btn-group .btn {
  position: relative;
  flex: 1 1 auto;
}

.btn-group .btn:not(:first-child) {
  margin-left: -1px;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.btn-group .btn:not(:last-child) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

/* Deaktivierter Button */
.btn:disabled, .btn.disabled {
  opacity: 0.65;
  pointer-events: none;
}

/* Button mit Ladeanzeige */
.btn-loading {
  position: relative;
  color: transparent !important;
}

.btn-loading::after {
  content: "";
  position: absolute;
  width: 1rem;
  height: 1rem;
  top: calc(50% - 0.5rem);
  left: calc(50% - 0.5rem);
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 0.8s linear infinite;
}

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

/* Überschreibe Bootstrap-Buttons für alle Weiterlesen-Buttons im Blog */
.blog-card .card-footer .btn-primary.btn-sm {
  background-color: #0CC0DF;
  border-color: #0CC0DF;
  color: #fff;
  font-weight: 500;
  transition: all 0.2s ease;
}

.blog-card .card-footer .btn-primary.btn-sm:hover,
.blog-card .card-footer .btn-primary.btn-sm:focus {
  background-color: #0aa8c4;
  border-color: #0aa8c4;
  transform: translateY(-2px);
  box-shadow: 0 3px 5px rgba(0, 0, 0, 0.1);
}