/* ========================================
   GROUNDZY BUTTONS
   ======================================== */

/* Base Button Styles */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  user-select: none;
  min-height: 44px;
}

.button:focus {
  outline: 2px solid var(--color-green-yellow);
  outline-offset: 2px;
}

.button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary Button */
.button-primary {
  background-color: var(--color-green-yellow);
  color: var(--color-dark-slate-gray);
  border-color: var(--color-green-yellow);
}

.button-primary:hover {
  background-color: #8DE43A;
  border-color: #8DE43A;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.button-primary:active {
  background-color: #7DD32A;
  border-color: #7DD32A;
  transform: translateY(0);
}

/* Secondary Button */
.button-secondary {
  background-color: var(--color-dark-slate-gray);
  color: var(--color-white);
  border-color: var(--color-green-yellow);
}

.button-secondary:hover {
  background-color: #2A4A4A;
  border-color: var(--color-green-yellow);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.button-secondary:active {
  background-color: #1A3A3A;
  transform: translateY(0);
}

/* Tertiary Button */
.button-tertiary {
  background-color: transparent;
  color: var(--color-green-yellow);
  border-color: var(--color-green-yellow);
}

.button-tertiary:hover {
  background-color: var(--color-green-yellow);
  color: var(--color-dark-slate-gray);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.button-tertiary:active {
  background-color: #8DE43A;
  transform: translateY(0);
}

/* Danger Button */
.button-danger {
  background-color: var(--color-danger);
  color: var(--color-white);
  border-color: var(--color-danger);
}

.button-danger:hover {
  background-color: #C82333;
  border-color: #C82333;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.button-danger:active {
  background-color: #BD2130;
  transform: translateY(0);
}

/* Button Sizes */
.button-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  min-height: 36px;
}

.button-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
  min-height: 52px;
}

/* Icon Button */
.button-icon {
  width: 64px;
  height: 64px;
  padding: 0;
  border-radius: 50%;
  min-height: auto;
}

.button-icon img {
  width: 24px;
  height: 24px;
}

/* Button with Icon */
.button .icon {
  margin-right: 0.5rem;
  width: 16px;
  height: 16px;
}

.button .icon-right {
  margin-right: 0;
  margin-left: 0.5rem;
}

/* Loading State */
.button.loading {
  position: relative;
  color: transparent;
}

.button.loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Button Groups */
.button-group {
  display: flex;
  gap: 0.5rem;
}

.button-group .button {
  border-radius: 0;
}

.button-group .button:first-child {
  border-top-left-radius: 8px;
  border-bottom-left-radius: 8px;
}

.button-group .button:last-child {
  border-top-right-radius: 8px;
  border-bottom-right-radius: 8px;
}

/* Responsive Buttons */
@media (max-width: 768px) {
  .button {
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    min-height: 48px;
    touch-action: manipulation;
  }
  
  .button-large {
    padding: 1.125rem 1.75rem;
    font-size: 1.125rem;
    min-height: 56px;
  }
  
  .button-group {
    flex-direction: column;
  }
  
  .button-group .button {
    border-radius: 8px;
  }
}

@media (max-width: 480px) {
  .button {
    padding: 1rem 1.5rem;
    font-size: 1rem;
    min-height: 52px;
    width: 100%;
    justify-content: center;
  }
  
  .button-large {
    padding: 1.25rem 2rem;
    font-size: 1.125rem;
    min-height: 60px;
  }
}