/* ???????????????????????????????????????????????????????????????
   BUTTON COMPONENTS
   ??????????????????????????????????????????????????????????????? */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    user-select: none;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 192, 76, 0.3);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Primary Button */
.btn-primary {
    background: linear-gradient(135deg, var(--color-accent-orange), var(--color-accent-orange-hover));
    color: var(--color-primary);
    border-color: var(--color-accent-orange);
    box-shadow: 0 4px 12px rgba(255, 192, 76, 0.3);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--color-accent-orange-hover), #e67a1a);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 192, 76, 0.4);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

/* Success Button */
.btn-success {
    background: linear-gradient(135deg, var(--color-accent-green), var(--color-accent-green-hover));
    color: var(--color-white);
    border-color: var(--color-accent-green);
    box-shadow: 0 4px 12px rgba(126, 220, 141, 0.3);
}

.btn-success:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--color-accent-green-hover), #4ac55f);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(126, 220, 141, 0.4);
}

/* Danger Button */
.btn-danger {
    background: linear-gradient(135deg, var(--color-accent-red), var(--color-accent-red-hover));
    color: var(--color-white);
    border-color: var(--color-accent-red);
    box-shadow: 0 4px 12px rgba(255, 91, 91, 0.3);
}

.btn-danger:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--color-accent-red-hover), #d43d3d);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 91, 91, 0.4);
}

/* Secondary Button */
.btn-secondary {
    background: linear-gradient(135deg, var(--color-gray-500), var(--color-gray-600));
    color: var(--color-white);
    border-color: var(--color-gray-500);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--color-gray-600), var(--color-gray-700));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Outline Variants */
.btn-outline-primary {
    background: transparent;
    color: var(--color-accent-orange);
    border-color: var(--color-accent-orange);
}

.btn-outline-primary:hover:not(:disabled) {
    background: var(--color-accent-orange);
    color: var(--color-primary);
}

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

.btn-outline-secondary:hover:not(:disabled) {
    background: var(--color-primary-light);
    color: var(--color-white);
}

.btn-outline-danger {
    background: transparent;
    color: var(--color-accent-red);
    border-color: var(--color-accent-red);
}

.btn-outline-danger:hover:not(:disabled) {
    background: var(--color-accent-red);
    color: var(--color-white);
}

/* Button Sizes */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

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

.btn-group-sm .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}