/* ======================
   MODERN BUTTON STYLES
   ====================== */

/* Base Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* Primary Button */
.btn-primary {
  background-color: var(--primary-color);
  color: white;
  box-shadow: 0 4px 12px rgba(255, 0, 0, 0.2);
}

.btn-primary:hover {
  background-color: #e60000;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 0, 0, 0.25);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(255, 0, 0, 0.2);
}

/* Secondary Button */
.btn-secondary {
  background-color: white;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background-color: rgba(255, 0, 0, 0.05);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.btn-secondary:active {
  transform: translateY(0);
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid transparent;
}

.btn-ghost:hover {
  border-color: var(--primary-color);
  background-color: rgba(255, 0, 0, 0.05);
}

/* Button Sizes */
.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.125rem;
}

/* Button with Icon */
.btn-icon {
  padding-left: 20px;
  padding-right: 20px;
}

.btn-icon svg {
  width: 18px;
  height: 18px;
}

/* Loading State */
.btn.loading {
  pointer-events: none;
}

.btn.loading .btn-text {
  opacity: 0;
}

.btn.loading::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  border: 3px solid transparent;
  border-top-color: white;
  border-radius: 50%;
  animation: button-loading-spinner 1s ease infinite;
}

@keyframes button-loading-spinner {
  from { transform: rotate(0turn); }
  to { transform: rotate(1turn); }
}

/* Disabled State */
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Button Group */
.btn-group {
  display: inline-flex;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.btn-group .btn {
  border-radius: 0;
  margin: 0;
  box-shadow: none;
}

/* Floating Action Button */
.btn-fab {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.btn-fab:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}

/* Special Button Effects */
.btn-pulse:hover {
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255,0,0,0.7); }
  70% { box-shadow: 0 0 0 12px rgba(255,0,0,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,0,0,0); }
}